WO2013159242A1 - Sistema y procedimiento de limpieza para motobombas sumergibles cubiertas con camisas de aspiración, dispuestas en forma horizontal o vertical - Google Patents
Sistema y procedimiento de limpieza para motobombas sumergibles cubiertas con camisas de aspiración, dispuestas en forma horizontal o vertical Download PDFInfo
- Publication number
- WO2013159242A1 WO2013159242A1 PCT/CL2012/000074 CL2012000074W WO2013159242A1 WO 2013159242 A1 WO2013159242 A1 WO 2013159242A1 CL 2012000074 W CL2012000074 W CL 2012000074W WO 2013159242 A1 WO2013159242 A1 WO 2013159242A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cleaning
- submersible motor
- suction
- water
- valves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Definitions
- the present invention was intended as a solution, to solve the problem, problems of clogging, premature wear, reduction of useful life, malfunction and greater energy consumption, due to the presence of sediments and impurities present in the water and adhered to the parts mobile and fixed submersible pumps, covered with suction jackets, which are in direct contact with water.
- the invention corresponds to a cleaning system, for submersible motor pumps, covered with suction jackets or pipes with water, placed horizontally or vertically, on the floor, in empty chambers, without water, or in ponds with water or within general common pipes and consists of a series of valves and sensors, arranged in three areas defined as A, impellers, B, motor, C, central, suction nitro.
- the valves and sensors are placed on, on the sides or under the suction jackets and also on the suction, discharge and connection flange pipes, of submersible motor pumps.
- the proposed invention corresponds to a cleaning system for submersible motor pumps, covered with suction jackets and arranged horizontally or vertically whose application field was intended as a solüdón to basically solve, problems of clogging, wear and with the consequent reduction of life Utfl, due to inadequate founding, resulting in greater energy consumption due to the presence of sediments, whether silt particles, sand and arid and organic impurities such as algae, wood chips, plastic, paper, cardboard, traces of organic matter, insects, vertebrate and invertebrate animals and inorganic impurities, such as salts of magnesium and broth that increase water hardness, both cold and hot, metals, glass, sheets, bonded to impellers and other elements of connection and support of submersible motor pumps, covered with suction jackets.
- silt particles, sand and arid and organic impurities such as algae, wood chips, plastic, paper, cardboard, traces of organic matter, insects, vertebrate and invertebrate animals and inorganic impurities,
- This invendon allows submersible motor pumps, covered with amusas de aspidón, to operate with water from different sources and qualities.
- the submersible motor pumps treated with this cleaning system allow to drive more frequently, water with greater amount of sediments and impurities (in addition to the sand), than what is normally stipulated by the manufacturers (30 to 250 grams of sand / m3).
- the field of application of submersible motor pumps is greatly expanded, with suction jackets, because, with this invention, there is greater access to drive more sweaty waters, especially prolonging the life of submersible motor pumps, improving their casting, achieving a better cost versus benefit relationship, obtaining a reduction in maintenance costs and reducing energy consumption.
- Normally submersible motor pumps are part of large industrial pumping equipment, whether in the mining, agricultural, drinking water, rural or urban areas, public and private buildings; complex, hospital, industrial, hotel, sports and tourism, arranged horizontally or vertically, under or on the ground and in complex or sophisticated equipment and sometimes inoperative, because it can not be suspended in many cases, production processes and others cases due to the large distances of the control centers Therefore, periodically disassembling the submersible motor pumps for maintenance and cleaning is expensive and inexpensive in many cases. For this reason, only one annual cleaning maintenance was performed. However, the cleaning that is done to the submersible motor pumps, when the annual maintenance is carried out, is totally different from the one devised in this invention. In general, submersible motor pumps are removed from the equipment or wells in which they are operating. Submersible motor pumps are generally dismantled, of the impellers and general parts, which are in direct contact with the water.
- This invention produces an extraordinary improvement, fundamentally prolonging the useful life of the submersible motor pumps, covered with suction jackets, especially releasing the sediments and impurities that are attached or embedded to the impellers, connection and support elements, leaving them with all its original operational capacity.
- the cleaning system for submersible motor pumps uses valves for water ingress, called clean, pressurized and that can be of any quality and source.
- Valves are also used for injection of cleaning compounds, under pressure.
- the valves are located on or along the sides of the submersible motor pump, covered with the suction jacket. It is also used, valves for the exit of water, called dirty, with sediments and impurities, product of cleaning d submersible pumps. These valves are placed under the suction jacket.
- Fig. 1 represents the arrangement of the valves and sensors connected directly to the suction jacket of the submersible motor pump.
- Fig. 2 represents the double-purpose valves connected to a common pipe according to zone. Multimeter sensor located under the suction jacket and the submersible motor pump support is observed.
- Fig. 3 represents the valves with dual purpose, connected inside a general common cleaning pipe and connected to a common pipe, according to the cleaning zone.
- the dirty water valve located below the vacuum jacket, has vertical or lateral orientation.
- Fig. 4 Represents individual or dual-purpose valves, which are placed inside a common general cleaning pipe, which covers the suction jacket and the submersible motor pump. The sensors go below or alongside the suction jacket.
- Fig. 5 represents in perspective, the arrangement of dual-purpose valves connected to common pipes according to zone and two sets of valves are observed in the A, impeller and B zone, motor areas.
- the suction filter is a set of valves. The sensors go below or alongside the suction jacket.
- Fig. 6 Represents the location of valves with general cleaning common pipe, a fire of valves is observed by zone.
- Fig. 7 represents the four ways in which the cleaning valves are arranged in each of the three areas of the submersible motor pump.
- the arrangement is linear, circular, opposite and helical.
- the sensors go below or alongside the suction jacket.
- Fig. 8 represents the general arrangement of the individual valves and sensors connected to the suction jacket of the submersible motor pump, located in a horizontal position. The cleaning system is observed, with a minimum capacity of sensors and valves, connected directly and with common pipe according to the cleaning area, to the suction jacket of the submersible motor pump, which has a registration cover.
- Fig. 9 represents the general arrangement of the valves and sensors connected to the suction jacket of the submersible motor pump, located in a horizontal position. The cleaning system is observed, with sensors and valves, connected directly and with common pipe according to area from ümpiéza, to the suction jacket of the submersible motor pump, which is not Heva registration cover.
- Fig. 10 represents the cleaning system, considering individual valves, directly connected to the suction jacket, of the submersible motor pump, with a registration cover and placed horizontally, inside an empty chamber, without water .
- Fig. 11 represents the cleaning system, with maximum capacity of individual valves, directly connected, to the suction jacket and the discharge pipe, of the submersible motor pump, placed vertically.
- the sensors are located on the sides and flanges of the suction jacket, as well as in the discharge zone.
- Figures 12, 13, 14, 15, t6, 7, 18, 19 and 20 show some of the main variants of the cleaning system, for submersible motor pumps, with suction jackets, arranged horizontally and in the figures 21,22,23,24,25 and 26 show the variants, placed vertically.
- Fig. 12 represents a variant of the cleaning system, consisting of valves connected by individual pipes, which converge to a common general cleaning pipe and which is mounted on, under or next to the suction jacket, of the motor pump submersible, placed horizontally.
- the sensors are located on the sides of the suction jacket.
- Fig. 13 represents a variant of the cleaning system, consisting of valves placed inside general general cleaning pipes, which are mounted on, under or next to the suction jacket, of the submersible motor pump, which goes placed horizontally ⁇ inside ponds with water.
- the sensors are located on the sides of the suction jacket.
- Fig. 14 represents a variant of the cleaning system, for submersible motor pumps, with suction jackets, arranged horizontally in height, and on the ground, with horizontal discharge, in series.
- the valves are placed inside general general cleaning pipes, which are mounted on or below the suction jacket, of the submersible motor pump, which is placed horizontally.
- the sensors are located below or on the sides of the suction jacket and discharge pipe.
- Fig. 15 represents a variant of the cleaning system, in which the submersible motor pumps, placed horizontally, inside empty chambers and having a registration cover are being considered.
- the valves for clean water, sweat water and cleaning compounds are arranged outside the suction jacket, the submersible motor pump. It is contemplated for the water valves sweat, drain and drain] e inside the empty chambers.
- Fig. 16 represents a variant of the cleaning system, considering the submersible motor pumps, placed horizontally and that are inside several chambers and that have a registration cover and have internal valves, placed in general common pipes of cleaning and located above or below the suction jacket, of the submersible motor pump.
- Fig. 17 represents the variant of one or more submersible motor pumps, located on the ground, with horizontal discharge, in series.
- the valves are external and with outlet and drain below ground.
- the cleaning of the submersible motor pump to be cleaned is carried out with external force, pumping with the motor pump (s) attached; gravitadona ⁇ or manual.
- Fig. 1S represents the variant of one or more submersible motor pumps, located on the ground, with horizontal discharge and bypass.
- the cleaning system has internal valves, placed in common general cleaning pipes and located above or below the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitadona ⁇ or manual.
- Fig. 19 represents a variant of one or more submersible motor pumps, with suction jackets, located on the ground, with horizontal discharge and bypass. This variant considers the cleaning system, with a minimum capacity of individual external valves, directly connected, on, underneath and flanges, of the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with the motor pump (s) attached; gravitadona ⁇ or manual.
- Fig. 20 represents the variant of one or more submersible motor pumps, located horizontally, inside ponds with water and with a foot valve. They are considered internal valves, placed in superfide and connections located in common general cleaning pipes, until they reach the suction jacket of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitadona ⁇ or manual.
- Fig. 21 represents a variant of the cleaning system, consisting of valves placed outside the pond with water and connected directly, by individual pipes, placed on the sides of the suction jacket, of the submersible motor pump, which goes placed vertically inside the pond with water.
- the sensors (2) are located on the sides of the vacuum jacket.
- Fig. 22 represents a variant of the cleaning system, considering valves, placed inside common general cleaning pipes and located inside the pond with water and, like the sensors, by the sides of the vacuum jacket, of the submersible motor pump, which is placed vertically inside the pond with water.
- Fig. 23 represents the variant of one or more submersible motor pumps, placed inside suction jackets or pipes with water and located on the ground, with vertical and serial discharge.
- This variant of the cleaning system considers external valves, placed on the sides of the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with the motor pump (s) attached; gravitadona ⁇ or manual.
- Fig. 24 represents the variant of one or more submersible motor pumps, placed inside suction jackets or pipes with water and located on the ground, with vertical and serial discharge. They are considered internal valves, placed inside general common pipes of hmpieza and located on the sides of the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitadona ⁇ or manual.
- Fig. 25 represents the variant of one or more submersible motor pumps, placed inside suction jackets and located on the ground, with vertical discharge and bypass. This variant of the system cleaning, consider external valves, placed on the sides of the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitadonat ⁇ manual.
- Fig. 26 represents the variant of one or more submersible motor pumps, placed inside suction jackets and located on the ground, with vertical discharge and bypass.
- This variant considers internal valves, placed inside common general cleaning pipes and located on the sides of the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitadonal or manual.
- Fig. 27 represents the combination of the cleaning system, between external valves, placed and superfide and connections in individual pipes, until reaching the suction jackets, submersible motor pumps and internal valves, placed in general general cleaning pipes, located on or under the suction jackets, submersible motor pumps, which are arranged horizontally. The ümpieza of the motor pump to be cleaned is carried out with the accompanying submersible motor pump and vice versa.
- Fig. 28 represents the combination of one or more submersible motor pumps, placed inside suction jackets or pipes with water and located on the ground, with vertical discharge, in series.
- the combination of the ümpieza system is observed, between external valves, placed on the sides of the suction jackets, the submersible motor pumps and internal valves, placed inside general general cleaning pipes and located on the sides of the suction jackets, of submersible motor pumps. Cleaning of the submersible motor pump to be cleaned is carried out with the accompanying submersible motor pump and vice versa.
- Fig. 29 (á, b, c, d, e, f, g, h, i): represents the general breakdown of the basic smelting scheme, of the cleaning system, for submersible motor pumps, with suction jackets, placed on horizontal or vertical form. In the cleaning system, water and cleaning compounds are applied and water will come out, in the three zones A, B and C, in 5 stages.
- Fig. 29 a represents the first general stage of the operation of the cleaning system and is made up of the first wash, in zone A, of impellers.
- Fig. 29 b represents the first general stage of the cleaning system casting and contemplates the second washing, in zone B, of the motor.
- Fig. 2 c represents the first general stage of the casting of the fimpiéza system and considers the third washing, in the central zone C, of suction pad.
- Fig. 29 d represents a second general stage, of injection of cleaning compounds.
- Fig. 29 e represents the third general stage, soaking of cleaning compounds.
- Fig. 29 f represents the fourth general stage, of removal and cleaning, where the removal of the sediments and impurities that are strongly adhered to is performed, to the surface of the different elements and parts that make up the submersible motor pump, as well as , the inner part of the suction jacket, which is in direct contact with water.
- This figure represents the first wash, in zone A, of impellers.
- Fig. 2 g represents the fourth general stage of removal and cleaning and considers the second washing, in zone B, of motor.
- Fig. 29 h represents the fourth general stage of removal and cleaning and considers the third and final wash in the central zone C of the suction filter.
- Fig 29 i Represents the fifth and final stage fundónam ⁇ énto generally, the cleaning system for submersible motor, with shirts aspiradón, placed, horizontally 'or vertical.
- the invention corresponds to a set of valves (1) and sensors ⁇ 2) placed in several zones, in a different sword device! (Fig. 1.2 tranquil3,4,5,6,7), and in different places of the submersible motor pumps (3), covered with suction jackets (4), arranged horizontally (Fig. 8,9, 10) or vertical (Fig. 11).
- the present invention consists of a cleaning system, which basically contemplates a series of valves (1) of different types and abatement and sensors (2) that can be individual or very rich, that is, in a single device it is possible to have various sensors, which can measure or detect different parameters, such as pressure, electrical conductivity, hardness, doro detectors, detergents, placed in the three zones (Fig. 8,11) of these submersible motor pumps (3), covered with vacuum shirts (4). These zones are basically defined as A, drive zone (14), motor zone B (15) and Central zone C, where the suction filter (16) is located.
- the valves and sensors are also located in the suction pipe (5) and discharge pipe (6).
- the submersible motor pumps (3) are placed horizontally (Fig. 8,9,10) and vertically (Fig. 11)), either on the ground or under the floor, in empty chambers, without water (13) or either in ponds with water (12) and with various horizontal variants (Fig. 12, 13, 14, 15, 16, 17, 18, 19 and 20) and vertical (Fig 21, 22, 23, 24, 25 and 26 ) and combined with each other (Fig. 27 or Fig. 28).
- valves, sensors and constituent elements of the cleaning system are located on the flanges (Fig. 10, 11, 21) on the flanges (4), on the flanges (4), on the submersible motor pumps (3 ), in a linear, opposite, circular or helical manner, surrounding the suction jackets of the submersible motor pumps (Fig. 7).
- valves that are part of the cleaning system for submersible motor pumps with suction jackets can be of any type and fitting and are defined in four main constituent groups:
- Group 1 they are defined as valves for clean water (1), because they allow the entry of clean water, pressurize it, the suction jackets (4), of the submersible motor pumps (3).
- Group 2 these are the valves used to inject cleaning compounds (1). They are usually smaller than other valves (clean water and dirty water).
- Group 3 you have the valves that allow you to expel the water sweat (1), with sediments and impurities, adhered to the different components of the submersible motor pumps, covered with suction jackets. These valves can generally be larger than the group 1 and 2 valves.
- Group 4 refers to the valves (1) used to comply with the water cutter or water passage, located in the area of suction and discharge pipes, of submersible motor pumps.
- valves (1) and sensors (2) can be of different types and automatic, semiautomatic or manual.
- the valves (1) have the melt of entering water and different chemical compounds of cleaning, descaling and remoding acdon elements; to allow the exit and expulsion of dirty water, product of the Start and release of sediments and impurities, adhered to the surface of the rotating bodies or impellers (14), connecting elements (18) and support (17) of the submersible motor pumps (3).
- Individual or multi-parameter sensors (2) allow the detection of different parameters or variables, such as pressure, turbidity, electrical conductivity, hardness, chemical compounds, etc. And once any specific variable or parameter is detected, they give the signal for the opening or drift of the valves (i) and I to stop or run of attached pumps, submersible submersibles, or compound injection devices.
- the valves and sensors can be placed on the sides, below or on the flanges (21), of the suction jackets (4), of the submersible motor pumps (3). They can be placed directly with wire, welded or also using individual connection pipes (9), common pipes according to area (11), or general common cleaning pipes (10), in connection with the suction jackets (4), of submersible motor pumps (3).
- the valves and sensors can also be placed in the suction (5) and discharge (6) pipes.
- valves that constitute the group generally correspond to check valves, standing or cutting, placed at the inlet or suction pipe (5) and outlet or discharge pipe (6) of the suction jackets (4), of in such a way, to be able to retain in the soaking time (detailed in figures 29 (a, b, c, d, e, f, g, h, i), of flooding), the chemical cleaning compounds, so that they act later , in the liberation of the sediments and impurities, present in the different parts of the submersible motor pumps and in the suction jackets.
- the acdonamiento of the valves (1) is carried out automatically or semi-automatically, by means of external devices such as panels, programmers, and the entrance of pressurized water and cleaning compounds is carried out by attached pumps or using special devices, such as in the injection of cleaning compounds, by means of a venturi system, to the submersible motor pump system to be cleaned or, when there is more than one submersible motor pump, the accompanying submersible motor pump, as in the case of combtnadones (Fig. 27 or Fig.
- valves and sensors involved in the cleaning system are diverse and vary with the capacity of each submersible motor pump, covered by suction jackets.
- suction jackets also vary in size depending directly on the length and diameter of the submersible motor pump used. Therefore, the cleaning system of the submersible motor pumps is basically related, with the dimensions, of the submersible motor pump and with the volume of the suction jacket used.
- the length of a submersible motor pump can vary between 0.3 to 5 meters or more and its diameter can vary from 50 mm. at 600 mm or more. Therefore, the dimensions of the suction shirts also vary. You can have, for example, suction jacket volumes of 5 to 1500 liters.
- the automatic or manual submersible pump cleaning system can operate with valves of different diameter. Generally, it operates with diameters that range from 20 to 110 mm. or more.
- Ett Fig. 1,2,3,4,5,6 and 7 there is a breakdown of the basic spatial arrangement, in which the valves and sensors are located, in the suction jackets, of the submersible motor pumps.
- valve (1) for clean water, dirty water, cleaning compounds and dual purpose valves, that is, the same valve (1) can be used for more than one function , arranged directly to the suction jacket (4) of the submersible motor pump (3).
- dual-purpose valves (1) are observed, connected with a common pipe according to the area (11) arranged around the suction jacket (4) of the submersible motor pump (3).
- the multiparameter sensors (2) are placed below the suction jacket (4) of the submersible motor pump (3).
- the support (17) of the submersible motor pump, welded to the inner surface (22) of the suction jacket, can be seen.
- Fig. 3 dual purpose valves (1) are observed, placed inside a general common cleaning pipe (10), covering the submersible motor pump (3) and its suction jacket (4) and connected with a common pipe according to zone (You).
- zone (You) the dirty water valve (1), located below the suction jacket, with vertical or lateral orientation is observed.
- Fig. 4 individual (1) and dual-purpose valves (1) are observed, placed inside a common general cleaning pipe (10), covering the submersible motor pump (3) and its suction jacket (4) and connected directly to the suction jacket.
- the multiparameter sensors (2) are placed below or on the side of the suction jacket (4).
- Fig. 5 it can be seen that more than one valve of clean water (1), cleaning compounds (1) and water sweat (1) can be placed in each of the cleaning areas of the submersible motor pump.
- two sets of valves located in the impeller zones (zone A) and motor zone (zone B).
- zone Q In the center (zone Q there is only one set of valves.
- Multiparameter sensors go below or alongside the suction jacket.
- FIG. 6 the location of cleaning valves is shown, with common general cleaning pipe (10). Only one set is observed, which corresponds to the minimum capacity of valves, per zone.
- Fig. 7 four ways of placing the cleaning valves 1) (for clean water, cleaning compounds and sweat water) can be seen in each of the three cleaning zones of the submersible motor pump, with its suction jacket. The disposition can be linear circular, opposite and helical.
- the same direction is established from one end to the other, of the submersible motor pump; in the drcufer arrangement it is presented to the valves (1) surrounding the submersible motor pump (3), with its suction jacket (4); the opposite dfeposidón corresponds to the valves located up-down, left side-right side and diagonal upper-lower diagonal; and finally, the helical arrangement corresponds to the valves forming curves and which are rotating on the suction jacket surface, of submersible motor pump.
- the multi-parameter or individual sensors (2) can be placed below or on the sides of the vacuum jacket (4).
- Fig. 8 you can see the cleaning system, with a minimum capacity of sensors (2) and valves ( ⁇ ), connected directly and with common pipe according to the cleaning zone (11), to the suction jacket (4 ), of the submersible motor pump (3), using a registration cover (7) and air valve (8) on it.
- the assembly is horizontal.
- Fig. 9 the cleaning system is observed, with sensors (2) and valves (1), connected directly ill and with common pipe according to cleaning zone (11), to the suction jacket (4), of the motor pump submersible (3), which does not lift a registration cover and is placed horizontally.
- Fig. 10 the cleaning system is observed, considering individual valves (1), directly connected > to the suction jacket (4), of the submersible motor pump (3), with registration cover (7) and placed horizontally, inside an empty chamber (13), without water.
- Fig. 11 the cleaning system is observed, with maximum capacity of individual valves (1), connected directly, to the suction jacket (4) and the discharge pipe (6), of the submersible motor pump (3 ), placed vertically.
- Multiparameter and individual sensors (2) can be located on the sides and flanges (21) of the suction jacket (4), as well as in the discharge zone (6).
- Figures 12,13,14,15,16,17,18,19 and 20 show some of the main variants of the cleaning system, for submersible motor pumps, with suction jackets, arranged horizontally and in the figures 21,22,23,24,25 and 26 are shown fes variants, placed vertically.
- a variant of the cleaning system was tightened, consisting of valves (1) for clean water, cleaning compounds and for dirty water (under the submersible motor pump (3), with suction jacket (4), placed on the exterior of ponds with water (12), in surface faith and connected by individual pipes (9), which converge to a common general cleaning pipe (10), which can be mounted on, below or at the side of the jacket suction pump (4), submersible motor pump (3) placed horizontally.
- the sensors (2) can be located on the sides of the suction jacket.
- Fig. 13 a variant of the cleaning system is observed, consisting of valves ( ⁇ ) for clean water, cleaning compounds and for dirty water, placed inside general general cleaning pipes (10), which can be mounted on , under or next to the suction jacket (4), of the submersible motor pump (3), which is placed horizontally, inside ponds with water (12).
- the muluparametric sensors (2) can be located on the sides of the aspiration amusa.
- Fig. 14 a variant of the cleaning system is presented, for submersible motor pumps (3), with suction sleeves, arranged horizontally, in height, and on the ground, with horizontal discharge in series.
- the valves (1) are placed on the outside of common general cleaning pipes (10), which can be mounted on or under the suction jacket (4), of the submersible motor pump (3), which It is placed horizontally.
- the multiparameter sensors (2) can be located below or on the sides of the suction jacket and in the discharge pipe (6).
- FIG. 15 Another horizontal variant is represented by Fig. 15, where the cleaning system is observed, in which the submersible motor pumps (3) placed horizontally, inside empty chambers (13) and having a cover are considered registration (7).
- the cleaning system is shown in Fig. 16, considering the submersible motor pumps (3) that are inside empty chambers (13) and that have a registration cover (7) and have internal valves (1), placed in common general cleaning pipes (10) and located above or below the suction jacket (4) of the submersible motor pump.
- the assembly is horizontal
- Fig. 17 one or more submersible motor pumps (3) located on the ground with horizontal discharge are shown in series. Here the cleaning system is observed, with arrangement of external valves (1), with outlet and drain below ground. The cleaning of the submersible motor pump (3) to be cleaned is carried out with external force, pumping with the attached motor pump (s) or manual.
- Fig. 18 represents one or more submersible motor pumps, located on the ground, with horizontal discharge and bypass. This figure corresponds to the cleaning system, with arrangement of internal valves (1), placed in general common cleaning pipes 10) and located above or below the suction jacket of the submersible motor pump. The Start of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitadonal or manual.
- Fig. 19 corresponds to the variant of one or more submersible motor pumps, with suction jackets, located on the ground, with horizontal discharge and bypass.
- This variant represents a cleaning system, with a minimum capacity of individual external valves (i), connected directly, on, under and under flanges (21) of the suction jacket (4), of the submersible motor pump (3) .
- the cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitational or manual.
- FIG. 20 one or more submersible motor pumps are shown, located inside water ponds (12) and have a foot valve ( ⁇ ).
- This figure represents the cleaning system, considering internal valves (1), placed in south rfide and connections located in common general cleaning pipes (10), until reaching the suction jacket (4), of the submersible motor pump (3 ). cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitadonal or manual VERTICAL VARIANTS
- Fig. 21 a variant of the cleaning system > consisting of valves (1) for clean water, cleaning compounds and for dirty water, placed outside the pond with water (12) and connected directly by individual pipes (9), is observed. placed on the sides of the suction jacket (4), of the submersible motor pump (3), which is placed vertically inside the tank with water (12).
- the multi-parameter sensors (2) can be located on the sides of the suction jacket (4).
- Fig. 22 there is a variant of the cleaning system, considering valves ( ⁇ ) for clean water, for cleaning compounds and for dirty water, placed inside general general cleaning pipes (10) and placed inside the pond with water (12) and, like the multi-parameter sensors (2), on the sides of the suction jacket (4), of the submersible motor pump (3), which is placed vertically, inside the pond with water (12).
- Fig. 23 depicts one or more submersible motor pumps (3), placed inside suction jackets (4) or pipes with water (generally so called, in vertical arrangement) and located on the ground, with vertical discharge, in series.
- external valves (1) placed on the sides of the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitaaonal or manual.
- Fig. 24 one or more submersible motor pumps (3) are shown, placed inside suction jackets or pipes with water and located on the ground, with vertical discharge, in series.
- the cleaning system is shown here, considering internal valves (1), placed inside general general cleaning pipes (10) and located on the sides of the suction jacket (4), of the submersible motor pump.
- the cleaning of the motor pump to be cleaned is carried out with external force, pumping with motor pump (s) attached; gravitational or manual.
- Fig. 25 represents one or more submersible motor pumps (3), placed inside suction jackets (4) and located on the ground, with vertical discharge, with bypass.
- Fig. 26 it also represents the group of one or more submersible motor pumps, placed inside suction jackets and located on the ground, with vertical discharge, with bypass. But, here in the variant, the cleaning system is observed, considering internal valves, placed inside common general cleaning pipes (10) and located on the sides of the suction jacket, of the submersible motor pump. The cleaning of the motor pump to be cleaned and carried out with external force, pumping with motor pump (s) attached; gravitational or manual.
- Fig. 27 the combination of the cleaning system is observed, between external valves (1), placed on the surface and connections in individual pipes (9), until it reaches the suction jackets (4), of the submersible motor pumps (3 ) and external valves (1), placed in general common pipes of ümpiéza (10), located above or below the suction jackets, of the submersible motor pumps, which are arranged horizontally.
- the Ümpieza of the motor pump to be cleaned is carried out with the submersible motor pump (3) accompanied before and vice versa.
- Fig. 28 represents one or more submersible motor pumps (3), placed inside suction jackets or pipes with water (4) and located on the ground, with vertical discharge, in series.
- This figure corresponds to the combination of the Ümpiéza system, between external valves (1), placed on the sides of the suction jackets, submersible motor pumps and internal valves (1), placed inside general general cleaning pipes (10) and located on the sides of the suction jackets, submersible motor pumps.
- the Ümpieza of the submersible motor pump to be cleaned is carried out with the accompanying submersible motor pump (3) and vice versa.
- Water and cleaning compounds are applied, pressurized by external force, pumping with attached motor pump (s), gravitadonai or manual, or by another submersible motor pump, which accompanies the submersible motor pump to be cleaned and vice versa.
- water and cleaning compounds are applied in 5 stages: The first general stage is to clean sediment and impurities that are attached to the surface layers, of the different elements and parts that make up the submersible motor pump, as well as also, the inner surface (22) of the suction jacket, which is in direct contact with the water.
- This first general stage is formed by the first wash, zone ⁇ , impellers, Fig. 29 a; second wash, zone B, motor, Fig. 29 b and third wash, zone C, central, Fig. 29 c.
- this fourth stage of removal and cleaning, the cleaning cycle of the three zones is renewed again. Therefore, the same sequence of the first three washes is repeated, that is, this fourth stage generates ⁇ is made up of the first wash, zone A, impellers, Fig. 29 i; second wash, zone B, motor, Fig. 29 g and third and last wash, zone C, central Fig. 29 h.
- the fifth and last general stage corresponds to the end of the cleaning process, represented by Fig. 29 i.
- Each stage and cycle of the ⁇ mpieza process can last several minutes, depending on different variables, such as: the amount of sediments and impurities deposited and adhered on the surface, of the submersible motor pump elements that are in direct count with the flow of water and the inside of the suction shirt also vary the time since the last wash or ümpiéza, the amount of sediments and impurities that come from the water source, the time when the water is being pumped, since it is water from In the summer, during the summer, the amount of sediment increases greatly due to the melting of the ice.
- the pressure for the opening and closing of the valves for clean water, cleaning compounds and dirty water can be provided by an external force, either gravitationally due to differences in height, manual or by using one or more attached pumps. , to the cleaning system.
- valves for submersible motor pumps, with suction jackets, in which external force is used
- one or two valves are used, for ümp ⁇ t water (1), placed in the discharge pipe (6).
- two types of valves for clean water (I) and of different connection between them, arranged in the discharge pipes (6) can generally be used. So you have, a valve with welded wire OR, to the discharge pipe and another, connected with flanges. This combination is to have more versatility, in terms of ways to connect with each other, at the time of cleaning the submersible motor pumps, with suction jackets.
- a minimum pressure of at least 2 bars must be taken.
- the individual or mu parametric sensors are accompanied by check valves (23), gate valves or pressure regulators.
- individual or multi-parameter sensors (2) arranged, at different points of the suction jacket (4) and discharge pipes (6), have the function of detecting the presence of injected cleaning compounds, such as chlorine, detergents, descaling compounds, compounds of organic and inorganic origin, detection of turbidity, pressure, electrical conductivity and hardness.
- the sensors detect the different variables or parameters, they send the signal so that the operation of the valves is performed automatically or semi-automatically. In the case of manual abatement, the sensor signal can be measured or observed visually, in order to allow manual operation of the different valves.
- the injection of cleaning compounds is carried out in a short time, generally lasts a few seconds to a few millimeters, according to the dose applied and the flow rate of the motor pump used, In such a way, that the circulating water was mixed counting and it reaches every corner of the suction jacket (4) and the impellers (14), filter (16), support for the submersible motor pump (17), engine (15) and connecting elements (18)) of the submersible motor pump, which is in direct contact with the water flow.
- each of the chemical cleaning compounds varies fundamentally according to the quality of the water, the amount of sediments and impurities that the pumped water possesses, the volume used by the submersible motor pump with its suction jacket and, on the other hand, Give the temperature at which you are pumping.
- An example of application dose is: in the agricultural sector, for a pumping of water from the river, prefiltered, medium hardness, ambient temperature, sediments and medium impurities, apply for a volume of 40 liters of water, inside a suction jacket for a submersible motor pump of 10 HP, a volume of 0.5 liters of chlorine, in a commercial concentration of 10%, plus 0.125 liters of detergent, during a 10-minute soak time.
- JBi injection time OR dose of cleaning compounds applied, with external motor pump, with a flow rate of, for example, 20 liters per minute, is, in this case, 2 minutes.
- the dose applied is directly related to the injection time.
- This injection time which is directly related to the applied dose, must be calculated previously, several times and measured in real, field tests, prior to the general fundonami cycle of manual cleaning of submersible motor pumps.
- the determination of the injection time of cleaning compounds is achieved by measuring and manually detecting these elements with the help of manual, automatic, multi-parameter or individual sensors (2), located in areas A, B and C, of the suction jacket (4) and in the discharge pipe (6). These sensory devices are responsible for detecting the presence of these compounds, spread throughout the suction jacket.
- a time that is variable is required, for example, a soaking time of 10 to 20 minutes, depending on each case, but generally, when the water pumped It is of poor quality, with greater presence of sediments and impurities, with respect to a better quality water pumping, that is, with less sediment and impurities, the residence or soaking time is May.
- this soaking time is previously determined, visually and with qualitative analysis, in terms of observing the absence of damage to the internal electrical wiring (20) and the presence of sediments and impurities adhered to the surface of the impellers (14), connecting elements (18) and support (17) of the submersible motor pump (3).
- the soaking time should be longer and vice versa. It also happens that with the increase in temperature of some process, the embedding power is greater and therefore, the soaking time should also be longer, for example, in boilers. During the stage of removal and ümpieza (Fig.
- the cleaning compounds used can be Sodium Hypodorite of high and low concerttradon, phosphorus, descalers, commercial or industrial detergents, etc.
- Fig. 29 a the first general stage formed by the first wash, zone A, impellers, activated is shown.
- the submersible motor pump (3) is stopped and the valves (1), located in the suede (5) and discharge (6) pipes, closed.
- the valve for clean water (1) located on the discharge pipe (6) of the accompanying submersible motor pump (3), can be used to accord and permeate the flow of pressurized water, through the valves for clean water (1), placed in the suction jacket (4), of the submersible motor pump to be cleaned (3).
- valves for clean water (1), located on the suction jacket and dirty water (1), located under the suction jacket (4), of the submersible motor pump (3) are opened.
- the reverse flow of water or retrokvado occurs, from zone A, from impellers (14) to zone B, of the motor (15).
- the valves for water hmpk (1) of k zone A are discharged and the valves for water sweat, of k zone B.
- Hg. 29 b represents the second kvado, zone B, motor, activated.
- the water valves hmpk (1) are opened, in k zone B and water sweats, from k zone A. Normal water flow occurs, that is, from k zone B, from the motor to k zone A, from the impellers . Then, the valves for hmpk and dirty water, referred to above, are spilled.
- Fig. 29 c the third kvado, zone C, central activated is observed.
- the hmpk water valves of k zone C and south water, of k zone A are opened (the valves for dirty water (1), of k central zone C are also opened, depending on what kind of existence exists in that zone, i.e. , if there is a large amount of sediment and impurities in that area C, then the valves for dirty water in the area are opened).
- Normal and reverse flow of water or retrolávado occurs, from the fairy center k zone A, of the impellers (14) and from the center towards k zone B, of the motor (15), respectively.
- the valves for hmpk water (1) from the central zone are discharged, the valves for dirty water (1) from zones A, B and C. External force is stopped.
- k Fig. 29 d there is a second generation stage in which the injection of cleaning compounds (whether detergents, doro, descalers, etc.), represented in k Fig. 29 d.
- injection of cleaning compounds, zones A, B and C are activated.
- the valves (1), located in the suede pipes (5) and discharge (6) are opened. It starts k submersible motor pump (3) and k active external force (gravitadonal, manual or with attached motor pump, running) or, k accompanying submersible motor pump.
- the valves of cleaning compounds (1) are opened with respect to the valves for hmpk water, and located in three zones ⁇ , ⁇ and C, on the suction jacket, of the submersible motor pump (3).
- the third general stage of remofo of cleaning compounds represented by Fig. 29 e.
- the Tejojo of the cleaning compounds that were injected in the previous stage is performed.
- Zones A, B and C are deactivated.
- the soaking stage begins, with the cleaning compounds inside the suction jacket (4) and the submersible motor pump (3). This stage may take several minutes (usually 10 to 20 minutes or more).
- the fourth general stage of removal and cleaning begins (Fig. 29 f, g, h).
- the cleaning cycle of the three zones A, B and C is performed again.
- the same sequence of the first three washes is repeated, that is, the first wash, in zone A, of impellers (14), Fig .29 f; second wash, in zone B, of motor (15), Fig. 29 g and third and last wash, in zone C, central, where the suction filter (16) is located, Fig. 29 h.
- Fig. 29 f shows, in detail, the operation of the first wash, the removal and cleaning process, with the zone A, of impellers (14), activated.
- the submersible motor pump (3) is stopped and the valves (1), located in the suction (5) and discharge (6) pipes, are closed.
- the external force active manual gravitadonafc; motor pump attached in progress or when there is another accompanying submersible motor pump (3), Fig. 27 or Fig. 28.
- the clean water valve (1) of the accompanying submersible motor pump (3) to activate and allow the flow of pressurized water, through the clean water valve (1), zone A, submersible motor pump, to be cleaned)
- the valves for clean water are opened (1 ) from zone A and for dirty water (1), from zone B.
- Reverse flow of water or retrokvado occurs, from zone A, of the impellers (14) to zone B, of the motor (15). Then the valves for clean water (1) of zone A and the valves for dirty water of zone B are closed.
- the second washing of the removal and cleaning process is started (Fig. 29 g, with zone B, motor, activated.
- Fig. 29 h the third and final washing of the removal and cleaning process is observed, with the central zone C activated.
- valves for clean water (1) of zone C, for dirty water (1), of zones B and A are finally closed.
- the external force or the accompanying submersible motor pump (3), Fig. 27 or Fig. 28 is stopped, with its valve for clean water (1), located on the discharge pipe (6), deactivated.
- the valves ( ⁇ ), located in the suction pipe (5) and discharge (6), are opened and the submersible motor pump (3) is started, definitively. All valves for Suda water (from zones A, B and C) are opened, inducing the valve for Suda water (1), located under the discharge pipe (where the last residues and impurities are expelled, mixed with water sweat).
- the fifth and final general stage is reached, which corresponds to the end of the cleaning process, represented by Fig. 29 i.
- the end of the cleaning process is observed, of the submersible motor pumps (3), with suction jackets (4).
- all the valves for cleaning (t), clean water of zones A, B and C; dirty water of zones A, B , C and the discharge pipe (6) and the valves for the cleaning compounds, of the three zones, close and the submersible motor pump (3) resumes its normal operating cycle, until a future cleaning cycle.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cleaning In General (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2014012961A MX2014012961A (es) | 2012-04-26 | 2012-12-20 | Sistema y metodo de limpieza para motobombas sumergibles cubiertas con camisas de aspiracion, dispuestas en forma horizontal o vertical. |
| US14/397,013 US10344762B2 (en) | 2012-04-26 | 2012-12-20 | System and method for cleaning submersible motor pumps covered with suction sleeves and disposed horizontally or vertically |
| EP12875707.7A EP2843234A4 (en) | 2012-04-26 | 2012-12-20 | SYSTEM AND METHOD FOR CLEANING DIVING MOTOR PUMPS WITH HORIZONTALLY OR VERTICALLY ARRANGED SUCTION SLEEVES |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CL1067-2012 | 2012-04-26 | ||
| CL2012001067A CL2012001067A1 (es) | 2012-04-26 | 2012-04-26 | Sistema de limpieza para motobombas sumergibles con camisas de aspiracion, conformado por una serie de valvulas y sensores, que permiten la entrada de agua presurizada, la inyeccion y remojo de compuestos quimicos limpiantes, la salida de agua, con sedimientos e impurezas adheridos; y procedimiento de limpieza. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013159242A1 true WO2013159242A1 (es) | 2013-10-31 |
Family
ID=49482091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CL2012/000074 Ceased WO2013159242A1 (es) | 2012-04-26 | 2012-12-20 | Sistema y procedimiento de limpieza para motobombas sumergibles cubiertas con camisas de aspiración, dispuestas en forma horizontal o vertical |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10344762B2 (es) |
| EP (1) | EP2843234A4 (es) |
| CL (1) | CL2012001067A1 (es) |
| MX (1) | MX2014012961A (es) |
| PE (1) | PE20150301A1 (es) |
| WO (1) | WO2013159242A1 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101589040B1 (ko) * | 2015-06-25 | 2016-01-27 | 최병화 | 스트레이너 청소가 용이한 병렬식 펌프시스템 및 이를 이용한 제어방법 |
| CN106761560A (zh) * | 2016-12-30 | 2017-05-31 | 濮阳市东昊机械电子有限公司 | 旋流除垢器 |
| CN111997939A (zh) * | 2020-08-19 | 2020-11-27 | 吴奇勋 | 一种潜水泵 |
| CN114754027B (zh) * | 2022-05-18 | 2023-08-18 | 徐州鼎驰机电有限公司 | 一种安装架及使用该安装架的潜水泵 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639716A1 (en) * | 1993-04-27 | 1995-02-22 | Itt Flygt Ab | Device for sewage pumping stations |
| US5659214A (en) * | 1995-03-03 | 1997-08-19 | Westinghouse Electric Corporation | Submersible canned motor transfer pump |
| US5674057A (en) * | 1995-03-03 | 1997-10-07 | Westinghouse Electric Corporation | Submersible canned motor mixer pump |
| US20030155314A1 (en) * | 2002-02-21 | 2003-08-21 | Gordon Construction, Inc. | Self-cleaning fluid filter system |
| US6872263B1 (en) * | 2004-02-18 | 2005-03-29 | Refined Technologies, Inc. | Cleaning system and method for dynamic devices in a refinery |
| US20050139531A1 (en) * | 2002-02-21 | 2005-06-30 | Gordon Robert R. | Method and system for filtering sediment-bearing fluids |
| WO2012008949A1 (en) * | 2010-07-13 | 2012-01-19 | Siemens Industry, Inc. | Slurry feed system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037985A (en) * | 1976-05-20 | 1977-07-26 | Worthington Pump, Inc. | Flushing liquid system for the wearing ring in centrifugal pumps and the wearing ring assembly and wearing ring for use therein |
| US6533033B2 (en) * | 2000-05-10 | 2003-03-18 | Dale Skillman | Pump protection system |
| NO324110B1 (no) * | 2005-07-05 | 2007-08-27 | Aker Subsea As | System og fremgangsmate for rengjoring av kompressor, for a hindre hydratdannelse og/eller for a oke kompressorytelsen. |
| US7874366B2 (en) * | 2006-09-15 | 2011-01-25 | Schlumberger Technology Corporation | Providing a cleaning tool having a coiled tubing and an electrical pump assembly for cleaning a well |
| NO331727B1 (no) * | 2009-06-08 | 2012-03-12 | Aker Subsea As | Filterarrangement |
-
2012
- 2012-04-26 CL CL2012001067A patent/CL2012001067A1/es unknown
- 2012-12-20 MX MX2014012961A patent/MX2014012961A/es unknown
- 2012-12-20 US US14/397,013 patent/US10344762B2/en active Active
- 2012-12-20 WO PCT/CL2012/000074 patent/WO2013159242A1/es not_active Ceased
- 2012-12-20 PE PE2014001899A patent/PE20150301A1/es not_active Application Discontinuation
- 2012-12-20 EP EP12875707.7A patent/EP2843234A4/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639716A1 (en) * | 1993-04-27 | 1995-02-22 | Itt Flygt Ab | Device for sewage pumping stations |
| US5659214A (en) * | 1995-03-03 | 1997-08-19 | Westinghouse Electric Corporation | Submersible canned motor transfer pump |
| US5674057A (en) * | 1995-03-03 | 1997-10-07 | Westinghouse Electric Corporation | Submersible canned motor mixer pump |
| US20030155314A1 (en) * | 2002-02-21 | 2003-08-21 | Gordon Construction, Inc. | Self-cleaning fluid filter system |
| US20050139531A1 (en) * | 2002-02-21 | 2005-06-30 | Gordon Robert R. | Method and system for filtering sediment-bearing fluids |
| US6872263B1 (en) * | 2004-02-18 | 2005-03-29 | Refined Technologies, Inc. | Cleaning system and method for dynamic devices in a refinery |
| WO2012008949A1 (en) * | 2010-07-13 | 2012-01-19 | Siemens Industry, Inc. | Slurry feed system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CL2012001067A1 (es) | 2012-06-22 |
| EP2843234A1 (en) | 2015-03-04 |
| PE20150301A1 (es) | 2015-02-19 |
| US20150330412A1 (en) | 2015-11-19 |
| EP2843234A4 (en) | 2015-05-20 |
| MX2014012961A (es) | 2015-04-08 |
| US10344762B2 (en) | 2019-07-09 |
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