CN110803802A - Automatic clean system of water works - Google Patents
Automatic clean system of water works Download PDFInfo
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- CN110803802A CN110803802A CN201911151140.8A CN201911151140A CN110803802A CN 110803802 A CN110803802 A CN 110803802A CN 201911151140 A CN201911151140 A CN 201911151140A CN 110803802 A CN110803802 A CN 110803802A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/766—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
- C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/29—Chlorine compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
An automatic purification system for water plant. The device comprises a flocculation precipitation module, a filtering module and a disinfection module, wherein a first flowmeter, a temperature sensor, a first online turbidity detector and a mixer are arranged on a water inlet pipe of the flocculation precipitation module, a dosing tank is connected with the mixer through a guide pipe, a metering pump is arranged on the guide pipe between the dosing tank and the mixer, the metering pump is connected with a frequency converter, a second online turbidity detector is arranged on a water outlet pipe, and the flocculation precipitation module further comprises a dosing control box and a sludge discharge control box; and a water outlet valve is arranged on the first water outlet pipe of the filtering module, and the filtering module further comprises a filtering control box. This system adopts automatic flocculation and precipitation module and automatic disinfection module and regularly filters the module, can realize that flocculation and precipitation and sterile accurate control, filter material filter effect are high, is equipped with accurate measuring pump, converter and central control room PLC remote control dispatch simultaneously, and control is convenient, degree of automation is high.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to an automatic purification device for a water plant, which adopts an automatic flocculation precipitation module, an automatic disinfection module and a timing filtration module, can realize accurate control of flocculation precipitation and disinfection, has high filtration effect of a filter material and is convenient to control.
Background
The water works mainly realize the automatic water supply in urban and rural areas, and the basic treatment process flows of the water works are similar according to the actual conditions of water quality, water supply amount and the like, and mainly comprise water taking, flocculation precipitation, filtration, disinfection and water supply.
The water purification comprises the steps of flocculation precipitation, filtration and disinfection, and specifically comprises the following steps:
firstly, adding a coagulant agent, namely selecting a proper coagulant according to water quality and process requirements, adding the coagulant into a water inlet pipeline in front of a sedimentation tank, and generally mixing and adding the coagulant by adopting a pipeline mixer;
and step two, flocculating precipitation, namely, adding a coagulant into source water, then performing flocculation reaction, and performing sedimentation and clarification treatment through an advection sedimentation tank, a width flow sedimentation tank, an inclined tube sedimentation tank and the like, wherein the precipitated sludge needs to be discharged periodically.
Step three, filtering, namely, removing suspended impurities in the supernatant water treated by the sedimentation tank through different filter materials to clarify the water, and filtering by adopting different media according to the water quality condition;
and step (IV), disinfection, which is an important component of tap water treatment, wherein different disinfection equipment is adopted for chlorination disinfection in general water plants and is mainly used for removing toxic substances in water.
The automatic work of our country's water works starts late, develops the imbalance, and the clean system of current water works is still relatively laggard, and the main shortcoming has:
1. the dosage of the flocculating agent is calculated simply, the dosage is not accurate, and the calculation is generally carried out according to the water flow, so that the factors influencing the flocculation precipitation are many, including the pH value of the source water, the turbidity of the source water, the temperature of the source water, the flow of the coagulant, the concentration of the coagulant and the efficiency of the coagulant;
2. the addition of chemicals is lack of an analysis and comparison means, and intelligent control cannot be realized, because the effect of flocculation and precipitation can be judged mainly according to the turbidity of the treated water and is also the basis of the addition of chemicals, the existing system is lack of a means for judging the turbidity of the treated water and cannot achieve optimal control;
3. the gravity type valveless filter is used in general small and medium-sized waterworks, the filter automatically flows into the filter by the gravity of water for filtering or backwashing, and the filter is not provided with a valve, the backwashing principle is that when the amount of intercepted substances in a filter layer is large and the resistance is large, water rises from a siphon ascending pipe, when the water level reaches a siphon auxiliary pipe orifice, the water rapidly falls from the siphon ascending pipe, and the air in the siphon is pumped away,
the vacuum is formed in the tube, the water level in the siphon ascending tube continuously rises, and at the moment, the siphon descending tube leads the water to be
The water in the well shut-in is also sucked up to a certain height, and when the water in the siphon riser and the water in the siphon downcomer are upwards
When the rising water is combined, siphoning is formed, and water flow rushes out of the pipe orifice, flows into the water seal well and is discharged, and vice versa
The flushing is started. But because the filtering effect of the filtering material reaches the lowest when the backwashing is needed, the filtering effect is reached for a long time
The intermittent operation causes the filter effect of the filter material to be poor, and the water quality and the water quantity are influenced;
4. the disinfection structure is simple, the equipment cannot automatically add disinfectant according to the requirement, and the residual chlorine amount in water cannot be accurately controlled to be kept at a set target value;
5. the control mode is simple, and the remote control can not be realized generally.
Disclosure of Invention
The invention aims to solve the technical problems and provides an automatic purification system for a water plant, which adopts an automatic flocculation precipitation module, an automatic disinfection module and a timing filtration module, can realize accurate control of flocculation precipitation and disinfection, has high filtration effect of filter materials, is provided with a precise metering pump, a frequency converter and a central control room PLC (programmable logic controller) for remote control scheduling, and has convenient control and high automation degree.
In order to solve the above-mentioned prior art problems, the technical scheme of the invention is as follows:
the invention relates to an automatic purification system for a water plant, which comprises a flocculation precipitation module, a filtration module and a disinfection module, wherein the flocculation precipitation module comprises a sedimentation tank, a water inlet pipe, a water outlet pipe and a chemical feeding tank;
the filtration module comprises a first water inlet pipe, a filtration tank, a siphon ascending pipe, a top cover, a water distribution baffle, a filtration material layer, a water distribution layer, a water collection area, a first water outlet pipe, a siphon auxiliary pipe, an air exhaust pipe, a siphon descending pipe, a drainage well, a siphon breaking bucket, a siphon breaking pipe, a back flush strength regulator and a siphon auxiliary pipe orifice, wherein one end of the siphon ascending pipe is arranged in the filtration tank, a port of the siphon ascending pipe is connected with the top cover, the side wall close to the port of the siphon ascending pipe is connected with the first water inlet pipe, the other end of the siphon ascending pipe is arranged outside the filtration tank, the port of the siphon ascending pipe is connected with the siphon descending pipe, the side wall of the upper part of the siphon ascending pipe is also connected with the breaking pipe, the lower end of the top cover is sequentially provided with the water distribution baffle, the filtration material layer;
the disinfection module comprises a second water inlet pipe, a disinfection tank, a second water outlet pipe, a raw material tank, a chlorine dioxide generator and a metering pump, wherein the output end of the chlorine dioxide generator is connected with the disinfection tank through a guide pipe, the input end of the chlorine dioxide generator is connected with the raw material tank through a guide pipe, the second water inlet pipe is provided with a flowmeter, and the metering pump is arranged at the output end of the chlorine dioxide generator;
as an improvement, a first flowmeter, a temperature sensor, a first online turbidity detector and a mixer are arranged on a water inlet pipe of the flocculation precipitation module, the dosing tank is connected with the mixer through a guide pipe, a metering pump is arranged on the guide pipe between the dosing tank and the mixer, the metering pump is connected with a frequency converter, a second online turbidity detector is arranged on a water outlet pipe, and the flocculation precipitation module further comprises a dosing control box and a sludge discharge control box;
as an improvement, a water outlet valve is arranged on a first water outlet pipe of the filtering module, the filtering module further comprises a filtering control box, the water outlet valve is provided with an electronic switch, the electronic switch is electrically connected with the filtering control box, the filtering control box comprises a main controller ST20, the main controller is used for receiving a state signal of the water outlet valve and outputting a starting or stopping control command of the water outlet valve, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal and used for realizing remote network communication with a PLC remote control dispatching of a central control room, and the filtering control box further comprises a timer and used for setting a backwashing period and backwashing duration.
As an improvement, a first residual chlorine detector is arranged in a disinfection tank of the disinfection module, a second residual chlorine detector is arranged on a second water outlet pipe, a metering pump of the disinfection module is connected with a frequency converter, and the disinfection module further comprises a disinfection control box;
further, the water inlet pipe of the flocculation precipitation module is connected with a water inlet pump, the first flowmeter, the temperature sensor, the first online turbidity detector, the frequency converter and the second online turbidity detector of the flocculation precipitation module are respectively electrically connected with a dosing control box, the dosing control box comprises a main controller, the main controller is used for receiving a state signal of the water inlet pump and outputting a starting or stopping control command of the water inlet pump, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal and used for realizing remote network communication with a central control room PLC (programmable logic controller) for remote control scheduling, the dosing control box further comprises a first analog input and output controller, the first analog input and output controller is used for collecting water inlet flow, water inlet turbidity, dosing flow and a medicine tank liquid level and controlling the flow according to the collected water inlet flow and the collected water inlet turbidity, the dosing control box also comprises a second analog input/output controller, and the second analog input/output controller is used for collecting the effluent turbidity, comparing the effluent turbidity with an effluent turbidity set value, and outputting PID (proportion integration differentiation) regulation output to control the rotating speed of the frequency converter;
further, the main controller is ST20, the first analog input/output controller is EM AE04, and the second analog input/output controller is EM AE 03;
the medicine feeding groove is provided with a liquid level meter;
further, the sediment discharge control box of flocculation and precipitation module includes main control unit, main control unit is used for receiving the state signal of sediment discharge device and exports the start-up or the stop control command of sediment discharge device, main control unit still includes the RS485 interface, RS485 interface connection has DTU wireless transmission terminal for realize with the long-range network communication of well accuse room PLC remote control dispatch, the sediment discharge control box still includes the timer for it is long when setting up the sediment discharge cycle and sediment discharge, the flocculation and precipitation module still is including setting up in the third online turbidity detector of sedimentation tank lower part.
Further, in the disinfection module, first chlorine residue detector, second chlorine residue detector, converter and disinfection control box electricity are connected, the disinfection control box includes main control unit, main control unit is used for receiving disinfection module's status signal and disinfection module's start or stop control command, main control unit still includes the RS485 interface, the RS485 interface connection has DTU wireless transmission terminal, be used for realizing the remote network communication with well accuse room PLC remote control dispatch, add medicine control box still includes analog input output controller one, analog input output controller one is used for gathering into water flow, throwing chlorine residue, disinfection stoste flow, disinfection silo liquid level to it throws chlorine residue to control according to the inflow water of gathering, the disinfection control box still includes analog input output controller two, analog input output controller two is used for gathering out water chlorine residue, and comparing the residual chlorine in the effluent with a set value of the residual chlorine in the effluent, outputting PID (proportion integration differentiation) regulation output, and controlling and disinfecting the rotating speed of the frequency converter of the module.
Further, the main controller of the disinfection module is ST20, the first analog input/output controller is EMAE04, and the second analog input/output controller is EM AE 03.
Further, the automatic purification system of water plant still includes the master control dispatch of central control room PLC, the master control dispatch of central control room PLC is used for the parameter setting and the control logic programming and the control command transmission of medicine control box, mud discharge control box, disinfection control box, the parameter setting and the control command transmission between the master control dispatch of central control room PLC and above-mentioned control box adopt wired or wireless mode.
The flocculation precipitation module control flow comprises the following steps:
the chemical feeding control box collects the water inlet flow on the water inlet pipe through the first flowmeter, collects the water inlet temperature through the temperature sensor, collects the water inlet turbidity through the first online turbidity detector, and controls the chemical feeding flow through the water inlet flow, the water inlet temperature and the water inlet turbidity;
the dosing control box also collects the effluent turbidity through a second online turbidity detector, compares the effluent turbidity with an effluent turbidity set value, and outputs PID (proportion integration differentiation) to adjust the rotating speed of an output control frequency converter so as to further accurately control the dosing quantity;
the medicine feeding control box also collects a liquid level signal of the medicine feeding groove through the liquid level meter, and liquid medicine can be timely supplemented to the medicine feeding groove when the liquid level is too low.
The sludge discharge control box adopts timing sludge discharge and controls sludge discharge according to accumulated sludge quantity, automatic sludge discharge is controlled according to the sludge discharge period and the sludge discharge duration set by the timer, and the sludge discharge is controlled according to the accumulated sludge quantity according to the collected signal of the third online turbidity detector.
(II) a filtering module control flow:
when the filter module is not provided with a water outlet valve, the filter module can realize automatic back washing, and the principle is as follows: when the filter layer traps too much objects and the resistance is increased, water rises from the siphon ascending pipe, when the water level reaches the siphon auxiliary pipe opening, the water rapidly falls from the siphon ascending pipe, air in the siphon ascending pipe is pumped away, so that vacuum is formed in the siphon ascending pipe, the water level in the siphon ascending pipe continuously rises, at the moment, the siphon descending pipe also sucks water in the drainage well to a certain height, when the water in the siphon ascending pipe is combined with the water rising in the siphon descending pipe, siphon is formed, water flow rushes out of the pipe opening of the siphon descending pipe and flows into the drainage well for drainage, the backwashing of the filter layer is started, but the filtering effect of the filter material is lowest when the filter material needs backwashing, the filtering effect of the filter material is poor after long-time running, and the water quality and the water quantity are influenced;
after the filter module is provided with the water outlet valve, automatic backwashing at a certain period and a certain time can be realized by timing control of automatic backwashing of the filter, so that the filter efficiency of the filter material is kept, and the principle is as follows: after the water outlet valve is added to the filtering module, the filtering control box controls the water outlet valve to be closed for a certain period and a certain time according to the setting of the timer, the water outlet valve is closed to form water outlet resistance of the filtering tank, the situation that the resistance of a filtering material is increased is formed by the water outlet resistance, the filtering material is linked with a water source water inlet system, when water inlet is stopped, water still flows to the filtering tank in the sedimentation tank, and the water level of the siphon ascending pipe can ascend due to the closing of the water outlet valve, so that automatic back flushing is started, and the automatic back flushing is controlled by the.
(III) the control flow of the disinfection module:
in the disinfection module, the disinfection control box acquires a water inlet flow signal according to a flowmeter on a second water inlet pipe, and residual chlorine is added through the water inlet flow; and meanwhile, the residual chlorine content of the effluent is collected by a second residual chlorine detector, the residual chlorine content of the effluent is compared with a residual chlorine set value of the effluent to obtain a residual chlorine adjusting value, and the rotating speed of the frequency converter is regulated and output by PID (proportion integration differentiation) regulation according to the residual chlorine adjusting value, so that the further accurate control of the adding amount of the disinfectant is realized.
The invention relates to an automatic purification system for a water plant, which has the following beneficial effects:
1. by arranging the online turbidity detector, the liquid level meter and the temperature sensor, the dosage is controlled by the inflow water flow, the temperature and the turbidity before and after precipitation, the dosage is more accurate, the turbidity feedback signal of the water after precipitation treatment is increased, the dosage value is subjected to calculation treatment such as calibration, comparison and the like, and the control is further adjusted, so that more intelligent control is realized, the whole system has self-adaptive capacity, and the optimal control is achieved;
2. the system adopts a timing backwashing device and can be automatically controlled, and the timing control of automatic backwashing of the filter material can be ensured, so that the filtering efficiency of the filter material is kept;
3. by adopting the automatic disinfection module, the equipment can automatically add the disinfectant according to the requirement and can accurately control the residual chlorine amount in the water to be kept at a set target value;
4. the precise metering pump, the frequency converter and the central control room PLC are arranged for remote control and scheduling to form a stable and reliable control system, the automation degree is high, the control is convenient, and the remote control can be realized.
Drawings
FIG. 1 is a schematic diagram of a flocculation and precipitation module of an automated purification system of a water plant according to the present invention;
FIG. 2 is a schematic diagram of a filter module of an automated purification system of a water plant according to the present invention;
FIG. 3 is a block diagram of a disinfection module of an automated purification system of a water plant according to the present invention;
FIG. 4 is a frame diagram of a chemical-adding control box of the automatic purification system of a water plant according to the present invention;
FIG. 5 is a frame diagram of a sludge discharge control box of an automatic purification system of a water plant according to the present invention;
fig. 6 is a frame diagram of a disinfection control box of an automatic purification system of a water plant according to the present invention.
Fig. 7 is a circuit diagram of a chemical feeding control box of the automatic purification system of the water plant of the present invention.
Fig. 8 is a circuit diagram of a filter control box of an automatic purification system of a water plant according to the present invention.
Fig. 9 is a circuit diagram of a disinfection control box of an automatic purification system of a water plant according to the present invention.
Detailed Description
The invention is further illustrated by the following examples:
example (b):
the invention relates to an automatic purification system for a water plant, which comprises a flocculation precipitation module, a filtering module and a disinfection module;
as shown in fig. 1, the flocculation precipitation module comprises a precipitation tank 1, a water inlet pipe 2, a water outlet pipe 3 and a dosing tank 4, wherein a first flowmeter 5, a temperature sensor 6, a first online turbidity detector 7 and a mixer 8 are arranged on the water inlet pipe, the dosing tank is connected with the mixer through a guide pipe, a metering pump 9 is arranged on the guide pipe between the dosing tank and the mixer, the metering pump is connected with a frequency converter 10, and a second online turbidity detector 11 is arranged on the water outlet pipe;
the flocculation precipitation module further comprises a dosing control box 12 and a sludge discharge control box 14, and the first flowmeter, the temperature sensor, the first online turbidity detector, the frequency converter and the second online turbidity detector are respectively and electrically connected with the dosing control box;
the dosing tank is provided with a liquid level meter 13;
as shown in fig. 4, the medicine-adding control box comprises a main controller ST20, the main controller is used for receiving the state signal of the water inlet pump and outputting the start or stop control command of the water inlet pump, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal for realizing the remote network communication with the central control room PLC remote control dispatching, the medicine-adding control box further comprises an analog input and output controller EM AE04, the analog input and output controller is used for collecting the water inlet flow, the water inlet turbidity, the medicine adding flow and the liquid level of the medicine tank and controlling the medicine adding flow according to the collected water inlet flow and the collected water inlet turbidity, the medicine-adding control box further comprises an analog input and output controller EM AE03, the analog input and output controller is used for collecting the water outlet turbidity and comparing the water outlet turbidity with the water outlet turbidity set value, the output PID adjusts and outputs the rotating speed of the frequency converter;
the chemical dosing control box acquires the water inlet flow on the water inlet pipe through the first flowmeter, acquires the water inlet temperature through the temperature sensor, acquires the water inlet turbidity through the first online turbidity detector, and controls the chemical dosing flow through the acquired water inlet flow, water inlet temperature and water inlet turbidity;
the dosing control box also collects the effluent turbidity through a second online turbidity detector, compares the effluent turbidity with an effluent turbidity set value, and outputs PID (proportion integration differentiation) to adjust the rotating speed of an output control frequency converter so as to further accurately control the dosing quantity;
the medicine feeding control box also collects a liquid level signal of the medicine feeding groove through the liquid level meter, and liquid medicine can be timely supplemented to the medicine feeding groove when the liquid level is too low.
As shown in fig. 5, the sediment discharge control case of flocculation and precipitation module includes main control unit ST20, main control unit is used for receiving the state signal of sediment discharge device and outputting the start-up or stop control command of sediment discharge device, main control unit still includes the RS485 interface, RS485 interface connection has DTU wireless transmission terminal for realize with the long-range network communication of central control room PLC remote control dispatch, the sediment discharge control case still includes the timer, is used for setting up the sediment discharge cycle and the sediment discharge is long, the flocculation and precipitation module still is including setting up in the third online turbidity detector of sedimentation tank lower part.
Referring to fig. 2, the filtration module comprises a first water inlet pipe 31, a filtration tank 32, a siphon riser 33, a top cover 34, a water distribution baffle 35, a filter material layer 36, a water distribution layer 37, a water collection zone 38, a first water outlet pipe 39, a siphon auxiliary pipe 40, a suction pipe 41, a siphon downcomer 42, a drainage well 43, a siphon break hopper 44, a siphon break pipe 45, a backwash intensity regulator 46 and a siphon auxiliary pipe orifice 437, one end of the siphon ascending pipe is arranged in the filter tank, the port of the siphon ascending pipe is connected with the top cover, the side wall close to the port is connected with the first water inlet pipe, the other end of the siphon ascending pipe is arranged outside the filter tank, the port of the siphon ascending pipe is connected with the siphon descending pipe, the side wall of the upper part of the siphon ascending pipe is also connected with a siphon auxiliary pipe, the side wall of the upper part of the siphon ascending pipe is also connected with a siphon destroying pipe, the lower end of the top cover is sequentially provided with a water distribution baffle, a filter material layer, a water distribution layer and a water collecting area, and the first water outlet pipe is arranged at the upper part of the filter tank;
the water outlet valve 39a is arranged on the first water outlet pipe 39, the filtering module further comprises a filtering control box, the water outlet valve is provided with an electronic switch, the electronic switch is electrically connected with the filtering control box, the filtering control box comprises a main controller ST20, the main controller is used for receiving a state signal of the water outlet valve and outputting a starting or stopping control command of the water outlet valve, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal and used for realizing remote network communication with a central control room PLC remote control scheduling, and the filtering control box further comprises a timer and used for setting a backwashing period and backwashing duration.
As shown in fig. 3, the disinfection module comprises a second water inlet pipe 18, a disinfection tank 19, a second water outlet pipe 20, a raw material tank 21, a chlorine dioxide generator 22 and a metering pump 23, wherein the output end of the chlorine dioxide generator is connected with the disinfection tank through a conduit, the input end of the chlorine dioxide generator is connected with the raw material tank through a conduit, the second water inlet pipe is provided with a flow meter 24, and the metering pump is arranged at the output end of the chlorine dioxide generator;
disinfection module's disinfection pond is provided with first chlorine residue detector 25, the second outlet pipe is provided with second chlorine residue detector 26, disinfection module's measuring pump is connected with converter 27, disinfection module still includes disinfection control box 28, first chlorine residue detector, second chlorine residue detector, converter are connected with the disinfection control box electricity, as figure 6, the disinfection control box includes main control unit ST20, main control unit is used for receiving disinfection module's status signal and disinfection module's start-up or stop control command, main control unit still includes the RS485 interface, RS485 interface connection has DTU wireless transmission terminal for realize with the remote network communication of central control room PLC remote control dispatch, add medicine control box still includes an analog input output controller EM AE04, analog input output controller is used for gathering into water flow volume, Throw surplus chlorine, disinfection stoste flow, disinfection silo liquid level to throw and throw surplus chlorine according to the inflow flow control of collection, the disinfection control box still includes analog input output controller two EM AE03, analog input output controller is used for gathering out water surplus chlorine, and compares outlet water surplus chlorine with outlet water surplus chlorine set value, outputs PID regulation output, control and the rotational speed of disinfection module converter.
When the filter module is not provided with a water outlet valve, the filter module can realize automatic back washing, and the principle is as follows: when the filter layer traps too much objects and the resistance is increased, water rises from the siphon ascending pipe, when the water level reaches the siphon auxiliary pipe opening, the water rapidly falls from the siphon ascending pipe, air in the siphon ascending pipe is pumped away, so that vacuum is formed in the siphon ascending pipe, the water level in the siphon ascending pipe continuously rises, at the moment, the siphon descending pipe sucks water in the drainage well to a certain height, when the water in the siphon ascending pipe is combined with the water rising in the siphon descending pipe, siphon is formed, water flow rushes out of the pipe opening of the siphon descending pipe, flows into the drainage well and is discharged, the backwashing of the filter layer is started, but the filtering effect of the filter material is minimum when the filter material needs backwashing, the filtering effect of the filter material is poor after long-time running, and the water quality and the water quantity are influenced.
After the filter module is provided with the water outlet valve, automatic backwashing at a certain period and a certain time can be realized by timing control of automatic backwashing of the filter, so that the filter efficiency of the filter material is kept, and the principle is as follows: after the water outlet valve is added to the filtering module, the filtering control box controls the water outlet valve to be closed for a certain period and a certain time according to the setting of the timer, the water outlet valve is closed to form water outlet resistance of the filtering tank, the water outlet resistance forms the condition that the resistance of a filtering material is increased, the filtering material is linked with a water source water inlet system, when water inlet is stopped, water still flows to the filtering tank in the sedimentation tank, and the water level of the siphon ascending pipe can ascend due to the closing of the water outlet valve, so that automatic backwashing is started.
In the disinfection module, the disinfection control box acquires a water inlet flow signal according to a flowmeter on a second water inlet pipe, and residual chlorine is added through the water inlet flow; and meanwhile, the residual chlorine content of the effluent is collected by a second residual chlorine detector, the residual chlorine content of the effluent is compared with a residual chlorine set value of the effluent to obtain a residual chlorine adjusting value, and the rotating speed of the frequency converter is regulated and output by PID (proportion integration differentiation) regulation according to the residual chlorine adjusting value, so that the further accurate control of the adding amount of the disinfectant is realized.
The automatic purification system of water plant still includes central control room PLC master control dispatch 14, central control room PLC master control dispatch is used for the parameter setting and control logic programming and the control command transmission of medicine control box, mud discharge control box, disinfection control box, and it is provided with communication module, the parameter setting and the control command transmission between central control room PLC master control dispatch and above-mentioned control box adopt wired or wireless mode.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (7)
1. An automatic purification system for a water plant comprises a flocculation precipitation module, a filtration module and a disinfection module, wherein the flocculation precipitation module comprises a sedimentation tank, a water inlet pipe, a water outlet pipe and a dosing tank;
the filtration module comprises a first water inlet pipe, a filtration tank, a siphon ascending pipe, a top cover, a water distribution baffle, a filtration material layer, a water distribution layer, a water collection area, a first water outlet pipe, a siphon auxiliary pipe, an air exhaust pipe, a siphon descending pipe, a drainage well, a siphon breaking bucket, a siphon breaking pipe, a back flush strength regulator and a siphon auxiliary pipe orifice, wherein one end of the siphon ascending pipe is arranged in the filtration tank, a port of the siphon ascending pipe is connected with the top cover, the side wall close to the port of the siphon ascending pipe is connected with the first water inlet pipe, the other end of the siphon ascending pipe is arranged outside the filtration tank, the port of the siphon ascending pipe is connected with the siphon descending pipe, the side wall of the upper part of the siphon ascending pipe is also connected with the breaking pipe, the lower end of the top cover is sequentially provided with the water distribution baffle, the filtration material layer; the disinfection module includes second inlet tube, disinfection pond, second outlet pipe, former feed tank, chlorine dioxide generator, measuring pump, the output of chlorine dioxide generator passes through the pipe and is connected with the disinfection pond, and the input passes through pipe connection former feed tank, be provided with the flowmeter on the second inlet tube, the measuring pump sets up in the output of chlorine dioxide generator, its characterized in that:
the device comprises a flocculation precipitation module, a chemical dosing tank, a mixer, a dosing control box, a sludge discharge control box, a temperature sensor, a first online turbidity detector and a mixer, wherein a water inlet pipe of the flocculation precipitation module is provided with a first flowmeter, a temperature sensor, the first online turbidity detector and the mixer;
a water outlet valve is arranged on a first water outlet pipe of the filtering module, and the filtering module further comprises a filtering control box;
the disinfection pond of disinfection module is provided with first chlorine residue detector, the second outlet pipe is provided with the second chlorine residue detector, disinfection module's measuring pump is connected with the converter, disinfection module still includes the disinfection control box.
2. The automatic purification system of water works according to claim 1, wherein the first flowmeter, the temperature sensor, the first on-line turbidity detecting instrument, the frequency converter and the second on-line turbidity detecting instrument of the flocculation precipitation module are respectively electrically connected with the dosing control box, the dosing control box comprises a main controller ST20, the main controller is used for receiving the state signal of the water inlet pump and outputting the start or stop control command of the water inlet pump, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal for realizing the remote network communication with the central control room PLC remote control dispatching, the dosing control box further comprises an analog input output controller EM AE04, the analog input output controller is used for collecting the water inlet flow, the water inlet turbidity, the flow dosing and the liquid level of the drug tank and controlling the dosing flow according to the collected water inlet flow and the collected water inlet turbidity, the dosing control box further comprises an analog input and output controller II EM AE03, the analog input and output controller is used for collecting effluent turbidity and comparing the effluent turbidity with an effluent turbidity set value, the rotating speed of the output control frequency converter is regulated by output PID, and the dosing groove is provided with a liquid level meter.
3. The automatic purification system of water works of claim 1, wherein the sludge discharge control box of the flocculation precipitation module comprises a main controller ST20, the main controller is used for receiving state signals of the sludge discharge device and outputting start or stop control commands of the sludge discharge device, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal for realizing remote network communication with PLC remote control scheduling of a central control room, the sludge discharge control box further comprises a timer for setting sludge discharge period and sludge discharge duration, and the flocculation precipitation module further comprises a third online turbidity detector arranged at the lower part of the sedimentation tank.
4. The automatic purification system of claim 1, wherein the outlet valve of the filtration module is provided with an electronic switch, the electronic switch is electrically connected with the filtration control box, the filtration control box comprises a main controller ST20, the main controller is used for receiving a state signal of the outlet valve and outputting a start or stop control command of the outlet valve, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal for realizing remote network communication with a PLC remote control scheduling of a central control room, and the filtration control box further comprises a timer for setting a backwashing period and a backwashing duration.
5. The automatic purification system of water works of claim 1, wherein the first residual chlorine detector, the second residual chlorine detector and the frequency converter of the disinfection module are electrically connected with the disinfection control box, the disinfection control box comprises a main controller ST20, the main controller is used for receiving state signals of the disinfection module and start or stop control commands of the disinfection module, the main controller further comprises an RS485 interface, the RS485 interface is connected with a DTU wireless transmission terminal for realizing remote network communication with a PLC remote control dispatching of a central control room, the chemical feeding control box further comprises an analog input output controller EMAE04, the analog input output controller is used for collecting water inflow, adding residual chlorine, disinfection raw liquid flow and disinfection trough liquid level, and controlling adding residual chlorine according to the collected water inflow, the disinfection control box further comprises an analog input output controller II EM AE03, and the analog quantity input and output controller is used for collecting the effluent residual chlorine, comparing the effluent residual chlorine with a set value of the effluent residual chlorine, outputting PID (proportion integration differentiation) regulation output and controlling the rotating speed of the disinfection module frequency converter.
6. The automatic water plant purification system according to any one of claims 1 to 5, further comprising a central control room PLC master control schedule.
7. The automatic purification system of water plant according to claim 6, wherein the parameter setting and control command sending between the central control room PLC master control scheduling and dosing control box, the sludge discharge control box, the filtering control box and the disinfection control box are in wired or wireless mode.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474115A (en) * | 2020-06-11 | 2020-07-31 | 济南科琳宝环境科技有限公司 | Built-in chlorine dioxide disinfectant concentration on-line detection device |
| CN114702166A (en) * | 2022-04-15 | 2022-07-05 | 武汉悉水科技有限公司 | Modularization wisdom water plant |
| CN116514303A (en) * | 2023-03-10 | 2023-08-01 | 广东粤海水务股份有限公司 | Container type village and town drinking water treatment device and use method |
| CN119757685A (en) * | 2024-12-27 | 2025-04-04 | 陕西南梁矿业有限公司 | Path simulation system and method for purifying coal slime water from coal gangue in goaf |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585852Y (en) * | 2002-12-30 | 2003-11-12 | 周健 | Fully automatic integrated water purifier |
| US20130335731A1 (en) * | 2009-09-09 | 2013-12-19 | ClearCorp | System and method for analyzing water samples in a water processing facility |
| CN203790693U (en) * | 2014-04-09 | 2014-08-27 | 广西绿康环保有限公司 | Device allowing siphoning to be quickly formed |
| CN105268219A (en) * | 2014-07-24 | 2016-01-27 | 陈俊 | Easy backwashing gravity type valve-free filtration pool |
| CN206777950U (en) * | 2017-04-24 | 2017-12-22 | 广东浦华环保科技有限公司 | A kind of valveless filtering pool of pin-connected panel |
| WO2017220710A1 (en) * | 2016-06-22 | 2017-12-28 | Biofluides | Plant for recycling greywater from a building for supplying toilet flush systems |
| CN107697991A (en) * | 2017-11-21 | 2018-02-16 | 北京金惠昌科技发展有限公司 | A kind of accurate dosing system of running water chlorine residue and its control method with closed-loop control |
| CN109592760A (en) * | 2019-01-23 | 2019-04-09 | 重庆工程职业技术学院 | The intelligent dosing system of clean water treatment factory |
-
2019
- 2019-11-21 CN CN201911151140.8A patent/CN110803802A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585852Y (en) * | 2002-12-30 | 2003-11-12 | 周健 | Fully automatic integrated water purifier |
| US20130335731A1 (en) * | 2009-09-09 | 2013-12-19 | ClearCorp | System and method for analyzing water samples in a water processing facility |
| CN203790693U (en) * | 2014-04-09 | 2014-08-27 | 广西绿康环保有限公司 | Device allowing siphoning to be quickly formed |
| CN105268219A (en) * | 2014-07-24 | 2016-01-27 | 陈俊 | Easy backwashing gravity type valve-free filtration pool |
| WO2017220710A1 (en) * | 2016-06-22 | 2017-12-28 | Biofluides | Plant for recycling greywater from a building for supplying toilet flush systems |
| CN206777950U (en) * | 2017-04-24 | 2017-12-22 | 广东浦华环保科技有限公司 | A kind of valveless filtering pool of pin-connected panel |
| CN107697991A (en) * | 2017-11-21 | 2018-02-16 | 北京金惠昌科技发展有限公司 | A kind of accurate dosing system of running water chlorine residue and its control method with closed-loop control |
| CN109592760A (en) * | 2019-01-23 | 2019-04-09 | 重庆工程职业技术学院 | The intelligent dosing system of clean water treatment factory |
Non-Patent Citations (3)
| Title |
|---|
| 丁启圣等: "《新型实用过滤技术（第3版）》", 30 June 2011, 冶金工业出版社 * |
| 刘自放等: "《给水排水自动控制与仪表》", 30 June 2001, 中国建筑工业出版社 * |
| 陈碧美: "《污水处理系统运行与管理》", 31 July 2015, 厦门大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474115A (en) * | 2020-06-11 | 2020-07-31 | 济南科琳宝环境科技有限公司 | Built-in chlorine dioxide disinfectant concentration on-line detection device |
| CN114702166A (en) * | 2022-04-15 | 2022-07-05 | 武汉悉水科技有限公司 | Modularization wisdom water plant |
| CN116514303A (en) * | 2023-03-10 | 2023-08-01 | 广东粤海水务股份有限公司 | Container type village and town drinking water treatment device and use method |
| CN119757685A (en) * | 2024-12-27 | 2025-04-04 | 陕西南梁矿业有限公司 | Path simulation system and method for purifying coal slime water from coal gangue in goaf |
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Application publication date: 20200218 |