CN104819173A - Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor - Google Patents
Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor Download PDFInfo
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- CN104819173A CN104819173A CN201510243423.0A CN201510243423A CN104819173A CN 104819173 A CN104819173 A CN 104819173A CN 201510243423 A CN201510243423 A CN 201510243423A CN 104819173 A CN104819173 A CN 104819173A
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- compressor
- centrifugal
- pneumatic
- natural gas
- jiggering
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000004140 cleaning Methods 0.000 title claims abstract description 93
- 239000003345 natural gas Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims description 48
- 238000011049 filling Methods 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000006210 lotion Substances 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000004393 prognosis Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 210000001503 joint Anatomy 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 32
- 238000012423 maintenance Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000002791 soaking Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XHFLOLLMZOTPSM-UHFFFAOYSA-M sodium;hydrogen carbonate;hydrate Chemical compound [OH-].[Na+].OC(O)=O XHFLOLLMZOTPSM-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
-
- 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
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a rotor disc-dynamic cleaning tool and a method for a centrifugal natural gas compressor. The rotor disc-dynamic cleaning tool comprises a compressed air source, a turning gear support fixedly installed on the side of the compressor, a pneumatic turning gear motor fixedly installed on the turning gear support and driving the compressor rotor to rotate, a liquid storage pot containing the cleaning liquid and provided with a liquid supplying port and a pneumatic pump which is in butt joint and communicated with the liquid supplying port, wherein the pneumatic pump is communicated with a liquid injection port formed in the machine shell of the compressor, and the bottom of the machine shell of the compressor is provided with a liquid outlet which is communicated with the liquid storage pot through a return pipe. The pneumatic pump injects the cleaning liquid into the cavity body of the centrifugal compressor, the rotor is soaked and the pneumatic turning gear motor drives the rotor to rotate so that the scaling of an impeller can be washed to fall off and dissolves in the cleaning liquid. The cleaning liquid can flow circularly so that the purpose of rapid and efficient cleaning of the scaling of the rotor impeller without disassembling the centrifugal compressor can be achieved. The invention further discloses a specific cleaning method which can rapidly and efficiently clean the scaling of the impeller of the natural gas centrifugal compressor without the need of disassembly of the centrifugal compressor.
Description
Technical field
The present invention relates to compressor cleaning, particularly relate to a kind of rotor disk for centrifugal natural gas compressor and move cleaning means, the rotor disk also relating to centrifugal natural gas compressor moves cleaning method.
Background technique
Gas field natural gas centrifugal compressor is the outer transfer device of the crucial supercharging in gas field, and natural gas centrifugal compressor operation operation is after 1 year, frequently occur Oscillation Amplitude high fault and cause unit to be closed down, site inspection finds that reason is that compressor drum fouling is serious, causes the imbalance of rotor.After producer's disintegration clean and maintenance delivered to by natural gas centrifugal compressor, in follow-up operation process, same fault repeats, and closes down reason and remain because compressor drum fouling causes.Same phenomenon appears at other several natural gas centrifugal Compressor Group, and reason is Scale of blade equally.
Because natural gas centrifugal compressor does not have purging system, the cleaning of the Rotor Scaling Formation of natural gas centrifugal compressor needs to disintegrate, but at sea gas field operation field does not possess disintegration operating conditions, must dismantle to deliver to external producer and reprocess.In addition, the stator of the natural gas centrifugal compressor of certain model is not horizonally split type centrifugal compressor, but barrel-type centrifugal compressor installs difficulty, maintenance inconvenience.Every one-level is all independently, so the rotor stator assembly that also will disintegrate, could splitting out impeller one-level one-level, and then utilize high pressure water cleaning.After cleaning, assembly working and new clothes operation just the same, also must test afterwards, workload is very large.
Before and after cleaning, the disassemble and assemble work amount of unit increases greatly: natural gas centrifugal compressor splits out and installs, centrifugal compressor is imported and exported and the dismounting of 16 inches of natural gas lines, the dismounting of energy isolatio blind plate and correlate meter dismounting etc.
The security risk that lifting operation difficulty is large, existence is very large: the loop wheel machine due to offshore production platform can't reach the mounting point of natural gas centrifugal compressor, must by pulley jack by weigh 8 tons centrifugal compressor lifting put in place, but the equipment dense space of offshore production platform is little, the lifting of pulley jack is difficult to planning rational routes collision free high-pressure bottle or charging equipment.
Gas field have a daily output of 2,000,000 side's rock gases, rotor disintegrates after cleaning, running soon again can serious scale, working time is also shorter than the maintenance duration, this produces seriously upsetting gas field and the arrangement of equipment repair and maintenance, if centrifugal compressor reprocesses period do not have unit for subsequent use, then serious threat is caused to output defeated outside gas field.In addition, Cost of repair and maintenance and freight charges high, send the expense of repairing up to 2,500,000 yuan at every turn.
Summary of the invention
Not enough for prior art, the rotor disk for centrifugal natural gas compressor that the technical problem to be solved in the present invention is to provide a kind of do not disintegrate centrifugal compressor and rotor washing fouling quickly and efficiently moves cleaning means.Another object of the present invention is to provide a kind of centrifugal compressor and the rotor disk of the centrifugal natural gas compressor of rotor washing fouling quickly and efficiently moves cleaning method of not disintegrating.
In order to overcome prior art deficiency, the technical solution used in the present invention is: a kind of rotor disk for centrifugal natural gas compressor moves cleaning means, for cleaning compressor drum, the described rotor disk for centrifugal natural gas compressor moves cleaning means and comprises compressed gas source, be fixedly installed in the jiggering frame of compressor side, be fixedly installed in jiggering frame and the pneumatic jiggering motor driving compressor drum to rotate, hold cleaning solution and there is the liquid container of supply opening, by the pneumatic pump that pipeline and described supply opening are docked and connected, described pneumatic pump is communicated with the spout being located at compressor case by filling tube, be provided with liquid port bottom described compressor case to be communicated with by reflow pipe with the main refluxing opening being located at liquid container, described compressed gas source by pneumatic tube respectively with pneumatic pump, pneumatic jiggering motor is docked and connected, described reflow pipe is provided with reflux valve, fluid-delivery valve is provided with between described pneumatic pump and spout.
Be used for as the present invention the one that the rotor disk of centrifugal natural gas compressor moves the technological scheme of cleaning means to improve, described compressor side is provided with liquid level indicator tube, and this liquid level indicator tube bottom is docked and connected by connecting tube and separating valve and described liquid port.
Be used for as the present invention the one that the rotor disk of centrifugal natural gas compressor moves the technological scheme of cleaning means to improve, described liquid container is provided with leakage hole and filling opening, and described liquid container is also provided with auxiliary refluxing opening and docks pneumatic delivery side of pump or filling tube by auxiliary reflow pipe thus be communicated with pneumatic pump.
Be used for as the present invention the one that the rotor disk of centrifugal natural gas compressor moves the technological scheme of cleaning means to improve, described pneumatic pump, between pneumatic jiggering motor and compressed gas source, be provided with distribution tank, the suction port of described distribution tank is communicated with compressed gas source, described distribution tank is provided with the first distributing valve and is communicated with pneumatic pump by pneumatic tube, and described distribution tank is also provided with the second distributing valve and is communicated with pneumatic jiggering motor by pneumatic tube.
Corresponding technological method technological scheme is: a kind of rotor disk using the above-mentioned rotor disk for centrifugal natural gas compressor to move the centrifugal natural gas compressor of cleaning means moves cleaning method, and it comprises the following steps:
S1, centrifugal compressor and natural gas line isolated and pressure release is carried out to compressor;
S2, the blanket gas of conducting centrifugal compressor, cushion gas, prevent cleaning solution from entering compressor seal system, damages black box;
S3, dismounting Compressor Inlet Pressure table, using the interface left by it as spout;
S4, connect filling tube between pneumatic pump and centrifugal compressor;
S5, split out the jiggering cover plate of centrifugal compressor rear end, the gentle barring motor of mounting and adjusting pneumatic jiggering support, connect the pneumatic tube between compressed gas source and pneumatic jiggering motor;
S6, liquid container is filled clear water; Connect pneumatic pump and compressed gas source, utilize pneumatic pump that clear water is injected centrifugal compressor;
The source of the gas of S7, the pneumatic jiggering motor of conducting, pressure is not less than 5bar, makes pneumatic motor with the rotor of centrifugal compressor with 30RPM rotating speed jiggering;
S8, centrifugal compressed machine rotor rotate 8 hours in the cavity filling cleaning solution, can utilize pneumatic pump that cleaning solution is played circulation simultaneously, make it flow in compressor and between liquid container;
By liquid port at the bottom of compressor, water lotion is discharged at the end of S9, cleaning;
The source of the gas of S10, the gentle barring motor of isolation pneumatic pump, removes the filling tube of centrifugal compressor and pneumatic pump, dismantles pneumatic jiggering motor, return dress pressure gauge and jiggering cover plate;
The isolation of S11, natural gas centrifugal compressor is removed, pressurising side leakage, opens machine test.
The one that rotor disk as centrifugal natural gas compressor of the present invention moves the technological scheme of cleaning method is improved, after step S6 setting steps S6.2, manually boot the interchange prognosis lubricating oil pump of centrifugal compressor, pressure lubrication centrifugal compressed machine bearing.
The one that rotor disk as centrifugal natural gas compressor of the present invention moves the technological scheme of cleaning method is improved, after step S3, install liquid level instruction pipeline under setting steps S3.1, liquid discharging valve at the bottom of centrifugal compressor, liquid level indicator tube bottom is docked and connected by connecting tube and separating valve and described liquid port; In step S6, cleaning solution injects centrifugal compressor process, and the liquid level instruction display of UNICOM can not exceed the peak of centrifugal compressor.
The invention has the beneficial effects as follows: soak rotor by pneumatic pump by the cleaning solution injection centrifugal compressor cavity in liquid container, pneumatic jiggering motor is used to drive rotor to rotate, immersion process auxiliary rotary makes Scale of blade be washed away and comes off to be dissolved in cleaning solution, pneumatic pump can also pour into cleaning solution and be back to liquid container by reflow pipe, cleaning solution can be circulated, take away fouling to a greater extent, achieve the fouling of do not disintegrate centrifugal compressor and rotor washing impeller quickly and efficiently.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of rotor disk for centrifugal natural gas compressor of the present invention moves the embodiment of cleaning means.
Fig. 2 is the forward structure schematic diagram of the pneumatic hand turning tool in embodiment.
Fig. 3 is the side direction structural representation of the pneumatic hand turning tool in embodiment.
Embodiment
Below embodiments of the present invention are specifically described.
With reference to figure 1, Fig. 2, shown in Fig. 3, a kind of rotor disk for centrifugal natural gas compressor of the present invention moves cleaning means, for cleaning compressor drum, the described rotor disk for centrifugal natural gas compressor moves cleaning means and comprises compressed gas source, be fixedly installed in the jiggering support 11 of compressor 10 side, be fixedly installed in jiggering support 11 and the pneumatic jiggering motor 12 driving compressor drum to rotate, hold cleaning solution and there is the liquid container 15 of supply opening, by the pneumatic pump 18 that pipeline and described supply opening 16 are docked and connected, described pneumatic pump 18 is communicated with the spout 20 being located at compressor case by filling tube 19, be provided with liquid port 21 bottom described compressor case to be communicated with by reflow pipe 22 with the main refluxing opening being located at liquid container 15, described compressed gas source by pneumatic tube respectively with pneumatic pump 18, pneumatic jiggering motor 12 is docked and connected, described reflow pipe 22 is provided with reflux valve 23, fluid-delivery valve 25 is provided with between described pneumatic pump 18 and spout 20.Rotor is soaked by the cleaning solution injection centrifugal compressor cavity in liquid container 15 by pneumatic pump 18, pneumatic jiggering motor 12 is used to drive rotor to rotate, immersion process auxiliary rotary makes Scale of blade be washed away and comes off to be dissolved in cleaning solution, pneumatic pump 18 can also pour into cleaning solution and be back to liquid container 15 by reflow pipe 22, cleaning solution can be circulated, take away fouling to a greater extent, achieve the fouling of do not disintegrate centrifugal compressor and rotor washing impeller quickly and efficiently.
Particularly, the analysis of natural gas centrifugal compressor impeller scale forming matter sample examination is learnt: the main component of fouling is NaHCO3 water type salts substances, and except Ca2+, Mg2+ ion, remaining positive ion is all converted into Na+ to calculate, content is about 75%, substantially can be dissolved in water.Further analysis is learnt: Scale of blade separates out due to salt in gas water to produce, and natural gas centrifugal compressor inlet pressure sharply reduces, and rock gas temperature in by compression process can rise rapidly again, and this just causes salinity crystallization.
Because gas well well salt is under natural gas centrifugal compressor nominal situation, on the rotor of centrifugal compressor, easily generate crystalline solid form fouling, make rotor unbalance, cause the vibration of axle to raise, causing unit to close down cannot start.Analyzed by repetition test and finally determine that the rotor disk of centrifugal natural gas compressor moves cleaning method: utilizing freshwater soaking to clean, simultaneously continuous jiggering.This method does not need disintegration centrifugal compressor just can clean centrifugal compressed machine rotor.
Large centrifugal compressors jiggering can only utilize 1 cun of socket wrench jiggering manually, and jiggering moment of torsion is 158N.m, needs dynamics larger, labor intensity is large especially, can only coil a few minutes, because field position is narrow and small, hand turning work is inconvenient and rotating speed is lower uneven again at every turn.And market does not have ready-made instrument for buying, in order to improve jiggering rotating speed and lengthen the jiggering time, personnel labor intensity can be reduced, need design and make auto-barring instrument and pickling dolly 30.Considering that natural gas centrifugal compressor dry gas seals parts open threshold values is 150RPM, avoids cleaning solution to enter dry gas seals parts and causes it to damage, and while maintenance imports blanket gas, maintains jiggering rotating speed lower than 150RPM.In order to improve safety coefficient, hand turning tool running speed is set to 30 ~ 50RPM, and rotating speed is steady.
The dynamic cleaning of rotor disk of field conduct centrifugal natural gas compressor, factory's disintegration cleaning is returned than dismounting compressor, maintenance expenses 2,500,000 yuan can be saved at every turn, the most important thing is that can shorten engineering time reaches 4 months, can after fouling occur, with minimum investment, the normal operation recovering compressor within the shortest time, the stable yields for gas field has made major contribution, guarantee oil gas field administration measure, reduce natural gas centrifugal disassembling compressor and lifting operation.According to above-mentioned centrifugal compressed machine rotor cleaning method, add that centrifugal compressor cleaning means comes into operation, before auto-barring acetum cleans and can reach for 1 day, hand turning fresh water cleans the effect of 7 days, and saved the clean time of 6 days, auto-barring also reduces personnel labor intensity.
Described compressor side is provided with liquid level indicator tube 28, this liquid level indicator tube 28 bottom is docked and connected with described liquid port 21 by connecting tube and separating valve 26, thus the liquid level of compressor inside is reflected by liquid level indicator tube 28, suitable liquid level is injected in right amount during convenient injection cleaning solution, liquid level is inexcessive is also unlikely in shortage, can soak and cover impeller.
Described liquid container 15 is provided with leakage hole 51 and filling opening 52, described liquid container 15 is also provided with auxiliary refluxing opening and docks the outlet of pneumatic pump 18 or filling tube by auxiliary reflow pipe 55 thus be communicated with pneumatic pump 18, by adjustment backflow, reach the addition of adjustment pneumatic pump to compressor chamber.
Described pneumatic pump 18, distribution tank 31 is provided with between pneumatic jiggering motor 12 and compressed gas source, the suction port 33 of described distribution tank 31 is communicated with compressed gas source, described gas distribution device is provided with the first distributing valve 35 and is communicated with pneumatic pump 18 by pneumatic tube, described distribution tank is also provided with the second distributing valve 36 and is communicated with pneumatic jiggering motor 12 by pneumatic tube 38, thus can respectively to pneumatic pump 18, pneumatic jiggering motor 12 provides pressurized gas separately, the throughput of pneumatic jiggering motor 12 can be regulated thus the speed of indirect regulation jiggering, the switch of pneumatic pump 18 can be controlled, carry out the fluid injection of cleaning solution in real time, stop, fluid infusion.
The technological method of corresponding impeller of rotor cleaning is: a kind of rotor disk using the above-mentioned rotor disk for centrifugal natural gas compressor to move the centrifugal natural gas compressor of cleaning means moves cleaning method, and it comprises the following steps:
S1, centrifugal compressor and natural gas line isolated and pressure release is carried out to compressor, making centrifugal compressor and systematic position, being convenient to independently to clean the impeller of centrifugal compressor, preventing rock gas natural leak and cause loss;
S2, the blanket gas of conducting centrifugal compressor, cushion gas, prevent cleaning solution from entering compressor seal system, damages black box;
S3, dismounting Compressor Inlet Pressure table, interface left by it is convenient to arrange cleaning solution perfusing hole at compressor top as spout, facilitate adding of cleaning solution, directly utilize existing interface and do not need to offer interface in addition, being convenient to carrying out of cleaning process;
S4, connect filling tube between pneumatic pump and centrifugal compressor, the cleaning solution of extraction directly can be pumped in compressor inner chamber by pneumatic pump soaking and washing is carried out to impeller;
S5, split out the jiggering cover plate of centrifugal compressor rear end, the gentle barring motor of mounting and adjusting pneumatic jiggering support, connect the pneumatic tube between compressed gas source and pneumatic jiggering motor;
S6, liquid container is filled clear water; Connect pneumatic pump and compressed gas source, utilize pneumatic pump that clear water is injected centrifugal compressor, remove fouling for soaking and washing impeller;
The source of the gas of S7, the pneumatic jiggering motor of conducting, pressure is not less than 5bar, make pneumatic motor with the rotor of centrifugal compressor with 30RPM rotating speed jiggering, impeller is rotated in the process of soaking, cleaning solution is made to have impact force to impeller, fouling is washed away, accelerates fouling and decompose the speed of dissolving;
S8, centrifugal compressed machine rotor rotate 8 hours in the cavity filling cleaning solution, can utilize pneumatic pump that cleaning solution is played circulation simultaneously, it is made to flow in compressor and between liquid container, the cleaning solution having dissolved impurity is discharged, continue the cleaning solution that perfusion is clean, improve the dissolving power of cleaning solution, accelerate cleaning speed;
By liquid port at the bottom of compressor, water lotion is discharged at the end of S9, cleaning, thus cleaning solution and the fouling impurity washing away out are discharged, emptying compressor inner chamber;
The source of the gas of S10, the gentle barring motor of isolation pneumatic pump, removes the filling tube of centrifugal compressor and pneumatic pump, dismantles pneumatic jiggering motor, return dress pressure gauge and jiggering cover plate;
The isolation of S11, natural gas centrifugal compressor is removed, pressurising side leakage, opens machine test.
In addition, after step S6 setting steps S6.2, manually boot the interchange prognosis lubricating oil pump of centrifugal compressor, pressure lubrication centrifugal compressed machine bearing, prevents jiggering process middle (center) bearing from wearing and tearing.
After step S3 setting steps S3.1, at the bottom of centrifugal compressor, liquid level instruction pipeline is installed in liquid discharging valve downstream, liquid level indicator tube 28 bottom is docked and connected with described liquid port by connecting tube and separating valve 26; In step S6, cleaning solution injects centrifugal compressor process and is extended to till liquid level instruction display maintains an equal level with the peak of centrifugal compressor, in perfusion cleaning solution process, liquid level indicator tube inner chamber and compressor inner space, according to the principle of liquid level equilibrium, be convenient to the liquid level clearly reflecting the cleaning solution poured in compressor cavity.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (7)
1. one kind is moved cleaning means for the rotor disk of centrifugal natural gas compressor, it is characterized in that: the described rotor disk for centrifugal natural gas compressor moves cleaning means and comprises compressed gas source, be fixedly installed in the jiggering frame of compressor side, be fixedly installed in jiggering frame and the pneumatic jiggering motor driving compressor drum to rotate, hold cleaning solution and there is the liquid container of supply opening, by the pneumatic pump that pipeline and described supply opening are docked and connected, described pneumatic pump is communicated with the spout being located at compressor case by filling tube, be provided with liquid port bottom described compressor case to be communicated with by reflow pipe with the main refluxing opening being located at liquid container, described compressed gas source by pneumatic tube respectively with pneumatic pump, pneumatic jiggering motor is docked and connected, described reflow pipe is provided with reflux valve, fluid-delivery valve is provided with between described pneumatic pump and spout.
2. the rotor disk for centrifugal natural gas compressor according to claim 1 moves cleaning means, it is characterized in that: described compressor side is provided with liquid level indicator tube, this liquid level indicator tube bottom is docked and connected by connecting tube and separating valve and described liquid port.
3. the rotor disk for centrifugal natural gas compressor according to claim 1 moves cleaning means, it is characterized in that: described liquid container is provided with leakage hole and filling opening, described liquid container is also provided with auxiliary refluxing opening and docks pneumatic delivery side of pump or filling tube by auxiliary reflow pipe thus be communicated with pneumatic pump.
4. the rotor disk for centrifugal natural gas compressor according to claim 1 moves cleaning means, it is characterized in that: described pneumatic pump, between pneumatic jiggering motor and compressed gas source, be provided with distribution tank, the suction port of described distribution tank is communicated with compressed gas source, described distribution tank is provided with the first distributing valve and is communicated with pneumatic pump by pneumatic tube, and described distribution tank is also provided with the second distributing valve and is communicated with pneumatic jiggering motor by pneumatic tube.
5. the rotor disk using the rotor disk for centrifugal natural gas compressor described in claim 1 to move the centrifugal natural gas compressor of cleaning means moves a cleaning method, it is characterized in that, comprises the following steps:
S1, centrifugal compressor and natural gas line isolated and pressure release is carried out to compressor;
S2, the blanket gas of conducting centrifugal compressor, cushion gas, prevent cleaning solution from entering compressor seal system, damages black box;
S3, dismounting Compressor Inlet Pressure table, using the interface left by it as spout;
S4, connect filling tube between pneumatic pump and centrifugal compressor;
S5, split out the jiggering cover plate of centrifugal compressor rear end, the gentle barring motor of mounting and adjusting pneumatic jiggering support, connect the pneumatic tube between compressed gas source and pneumatic jiggering motor;
S6, liquid container is filled clear water; Connect pneumatic pump and compressed gas source, utilize pneumatic pump that clear water is injected centrifugal compressor;
The source of the gas of S7, the pneumatic jiggering motor of conducting, pressure is not less than 5bar, makes pneumatic motor with the rotor of centrifugal compressor with 30RPM rotating speed jiggering;
S8, centrifugal compressed machine rotor rotate 8 hours in the cavity filling cleaning solution, can utilize pneumatic pump that cleaning solution is played circulation simultaneously, make it flow in compressor and between liquid container;
By liquid port at the bottom of compressor, water lotion is discharged at the end of S9, cleaning;
The source of the gas of S10, the gentle barring motor of isolation pneumatic pump, removes the filling tube of centrifugal compressor and pneumatic pump, dismantles pneumatic jiggering motor, return dress pressure gauge and jiggering cover plate;
The isolation of S11, natural gas centrifugal compressor is removed, pressurising side leakage, opens machine test.
6. the rotor disk of centrifugal natural gas compressor according to claim 5 moves cleaning method, it is characterized in that: after step S6 setting steps S6.2, manually boot the interchange prognosis lubricating oil pump of centrifugal compressor, pressure lubrication centrifugal compressed machine bearing.
7. the rotor disk of centrifugal natural gas compressor according to claim 5 moves cleaning method, it is characterized in that: after step S3, install liquid level instruction pipeline under setting steps S3.1, liquid discharging valve at the bottom of centrifugal compressor, liquid level indicator tube bottom is docked and connected by connecting tube and separating valve and described liquid port; In step S6, cleaning solution injects centrifugal compressor process, and the liquid level instruction display of UNICOM can not exceed the peak of centrifugal compressor.
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| CN201510243423.0A CN104819173A (en) | 2015-05-11 | 2015-05-11 | Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor |
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| CN201510243423.0A CN104819173A (en) | 2015-05-11 | 2015-05-11 | Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106907198A (en) * | 2017-04-28 | 2017-06-30 | 安徽新宁能源科技有限公司 | A kind of pneumatic jiggering method of steam turbine |
| CN110594188A (en) * | 2019-08-30 | 2019-12-20 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Pneumatic barring system of cantilever type fan of thermal power plant |
| CN111287990A (en) * | 2020-02-12 | 2020-06-16 | 魏文民 | A new type of gas compressor |
| CN114370414A (en) * | 2022-01-12 | 2022-04-19 | 曹祺风 | Oil refining is centrifugal compressor impeller scale deposit processing apparatus for chemical industry |
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| CN110594188A (en) * | 2019-08-30 | 2019-12-20 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Pneumatic barring system of cantilever type fan of thermal power plant |
| CN111287990A (en) * | 2020-02-12 | 2020-06-16 | 魏文民 | A new type of gas compressor |
| CN111287990B (en) * | 2020-02-12 | 2021-03-23 | 台州弘霖工业设计有限公司 | a gas compressor |
| CN114370414A (en) * | 2022-01-12 | 2022-04-19 | 曹祺风 | Oil refining is centrifugal compressor impeller scale deposit processing apparatus for chemical industry |
| CN114370414B (en) * | 2022-01-12 | 2023-11-17 | 曹祺风 | Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry |
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