CN114439438B - Coal bed gas pressure water injection washing pump device - Google Patents

Coal bed gas pressure water injection washing pump device Download PDF

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Publication number
CN114439438B
CN114439438B CN202111531747.6A CN202111531747A CN114439438B CN 114439438 B CN114439438 B CN 114439438B CN 202111531747 A CN202111531747 A CN 202111531747A CN 114439438 B CN114439438 B CN 114439438B
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China
Prior art keywords
water
water tank
pipe
communicated
inboard
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CN202111531747.6A
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CN114439438A (en
Inventor
阳富芹
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Guizhou Panjiang Cbm Development & Utilization Co ltd
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Guizhou Panjiang Cbm Development & Utilization Co ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20Displacing by water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/05Floating filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/087Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/005Waste disposal systems
    • E21B41/0057Disposal of a fluid by injection into a subterranean formation

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The invention relates to the technical field of coal bed methane exploitation and drainage engineering, and particularly discloses a coal bed methane pressurized injection water washing pump device which comprises a coal bed methane well, a water tank and a water tank, wherein the inner side of one end of the coal bed methane well is communicated with the water tank through a water outlet pipe which is arranged in a communicating way, a cleaning mechanism is arranged on the inner side of the water tank, storage boxes are arranged on two sides of the water tank, a supporting frame is fixedly arranged at the outer side of one end of the water tank and close to the upper side, a push-pull box is connected to the inner side of the supporting frame in a sliding way, a handle is arranged at the outer side of one end of the push-pull box, the upper side of the inner side of the push-pull box is opened, one end, which is far away from the water outlet pipe, of the inner side of the water tank is communicated with the water tank through a water delivery mechanism which is arranged, a mounting frame is arranged below the outer side of the water tank, and a flow pipe is communicated with the inner side of one end of the water tank.

Description

Coal bed gas pressure water injection washing pump device
Technical Field
The invention relates to the technical field of coal bed gas exploitation and extraction engineering, and particularly discloses a water washing pump device for pressurized injection of coal bed gas.
Background
Coalbed methane is an unconventional natural gas resource symbiotic with coal resources, is mainly stored in a coal-rock matrix in an adsorption state, and only exists in a small amount in a crack of a coal-rock stratum in a dissolution state and a free state. The main component of the coalbed methane is methane, and the coalbed methane is used as an emerging clean energy source, has the characteristics of high heat value and low pollution, and has attractive large-scale development prospect.
Coal reservoirs generally have the characteristics of low pore development, low permeability, strong heterogeneity and the like, so that the conventional coal bed gas development needs to carry out reservoir transformation on the coal reservoirs so as to achieve the purpose of increasing yield. Due to the characteristics of low permeability, weak water content and the like of the coal reservoir, the coal reservoir is determined to have weak liquid supply capability and low water yield in the coal bed methane drainage and mining process, particularly in the middle and later stages of drainage and mining, the liquid supply amount of the coal reservoir is further reduced and even lower than the water yield in the minimum working state of coal bed methane drainage and mining equipment, the liquid column descending speed in a coal bed methane shaft is accelerated at the moment, so that the coal reservoir is influenced to be agitated, the sand and powder of the coal reservoir are aggravated, a gas water channel is blocked, the expansion of a pressure drop funnel is not facilitated, the pressure release range of the coal reservoir is reduced, and the gas production period of the coal bed methane is shortened.
Because the coal reservoir is easy to spit sand and powder, if the water yield of the coal-bed gas well is small and solid particles such as coal dust in a shaft are difficult to take out, the solid particles produced by the coal reservoir are deposited and accumulated in the shaft, and the pump cylinder is easy to be blocked or even blocked. The maintenance operation of the extraction pump is carried out by taking out the pump to the ground, the time consumption is long, the continuous extraction system of the coal bed gas well is broken, the pressure of the underground coal reservoir is increased, a gas channel of the coal reservoir is filled and blocked, the irreversible damage of the reservoir is caused, the rapid reduction of the gas yield of the coal bed gas is directly caused, even the gas production is avoided, a large amount of impurities and plankton exist on the inner side of a water storage device for water injection, and the cleaning is inconvenient.
Disclosure of Invention
The invention aims to solve the defects in the background art, and provides a coalbed methane pressurized water injection washing pump device.
In order to achieve the above purpose, the invention provides a coalbed methane pressurized water injection pump device, which comprises a coalbed methane well, a water tank and a water tank, wherein one end inner side of the coalbed methane well is communicated with the water tank through a water outlet pipe which is arranged in a communicating way, a cleaning mechanism is arranged on the inner side of the water tank, storage boxes are arranged on two sides of the water tank, a supporting frame is fixedly arranged on the outer side of one end of the water tank and close to the upper side of the water tank, a push-pull box is connected on the inner side of the supporting frame in a sliding way, a handle is arranged on the outer side of one end of the push-pull box, the upper side of the inner side of the push-pull box is open, one end, which is arranged on the inner side of the water tank and is far from the water outlet pipe, is communicated with the water tank through a water supply mechanism which is arranged, a mounting frame is arranged below the outer side of the water tank, one end inner side of the water tank is communicated with a flow pipe, one end, which is far from the water tank, is communicated with a water outlet pipe which is arranged on the upper side of the inner side of the flow pipe, one end, which is far from the water tank, is communicated with a variable-frequency reciprocating pump, one end, which is communicated with a drain pipe, and one end, which is far from the variable-frequency and the drain pipe is communicated with a drain pipe, and one end, and a drain pipe is communicated with and one end, and one end drain pipe and is far from and is far from drain.
Preferably, the cleaning mechanism comprises guide rods respectively arranged at corners of the inner side of the water tank, the outer sides of the four guide rods are respectively connected with a filter frame in a sliding manner through corresponding sliding parts, the filter frames are obliquely arranged, the outer sides of the filter frames are provided with a moss cleaning mechanism, the two sides of the filter frames are respectively provided with a lifting mechanism, and the inner sides of the filter frames are provided with a plurality of groups of filter holes.
Preferably, the sliding parts comprise lantern rings sleeved on the outer sides of the guide rods at corresponding positions in a sliding mode, and the lantern rings at corresponding positions are fixedly connected with the bottoms of the filter frames.
Preferably, the moss removing mechanism comprises a fixing frame arranged on the outer side of the filter frame, scraping strips extend out of the edge of each surface of the fixing frame, and the corresponding scraping strips are in sliding fit with the inner wall of the water tank.
Preferably, the lifting mechanism comprises storage tanks which are all arranged on the inner side of the storage box, a hydraulic cylinder is fixedly arranged at the bottom of the inner side of the storage box, and the telescopic end of the hydraulic cylinder is connected with the filter frame through a supporting component.
Preferably, the supporting component comprises connecting seats which are all installed at the telescopic ends of the corresponding hydraulic cylinders, one ends of the connecting seats, far away from the hydraulic cylinders, are fixedly connected with supporting rods, the bottom ends of the supporting rods are fixedly connected with L-shaped seats, and the two ends of the inner sides of the L-shaped seats are connected with the filter frame through fixing bolts which are installed.
Preferably, the water delivery mechanism comprises a water diversion pipe communicated with the inner side of the water tank and far away from one end of the water outlet pipe, a water pump is communicated with one end of the water diversion pipe, a mounting mechanism is arranged on the outer side of the water pump, a connecting pipe is communicated with one end, far away from the water diversion pipe, of the water pump, and one end, far away from the water pump, of the connecting pipe is communicated with the water tank.
Preferably, the installation mechanism comprises an installation seat fixedly sleeved on the outer side of the water pump, and the installation seat is arranged in a triangular shape.
Compared with the prior art, the invention has the following beneficial effects:
the water tank is communicated with the water outlet pipe of the coal-bed gas well and used for collecting water produced by the coal-bed gas well, one end of the water tank is used for taking water from the inner side of the water tank through the water outlet mechanism and then is discharged to the variable-frequency reciprocating pump through the circulating pipe, the flowmeter is used for measuring the circulating water injection quantity, the water is discharged to the coal-bed gas well through the variable-frequency reciprocating pump, the pressure gauge can be controlled according to the jacket pressure of the coal-bed gas well, when the water yield of the coal-bed gas well is smaller than the extraction quantity to the minimum running state of the extraction equipment, water injection is needed, or the sand and powder of the coal-bed gas well are seriously spitted, when the pump is needed to be washed, the water pump is turned on to enable the water tank to store water, and the variable-frequency reciprocating pump is turned on to inject the water into the coal-bed gas well.
Can be convenient for get rid of plankton and moss in the pond inside through the clearance mechanism that sets up, ensure that the pond when holding water, do not have too much impurity to adhere to in water, influence the use of later stage's water supply mechanism and frequency conversion reciprocating pump, whole flow degree of automation is high, and the clearance is got up especially conveniently.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the inner side structure of the pool of the present invention;
FIG. 3 is a schematic diagram of the connection of the water delivery mechanism of the present invention;
FIG. 4 is a schematic view of the inner side structure of the storage box of the present invention;
FIG. 5 is a schematic view of another view of the storage box according to the present invention;
FIG. 6 is a schematic diagram of the connection between the filter frame and the guide rod according to the present invention;
FIG. 7 is a schematic view of another view angle between the filter frame and the guide rod according to the present invention;
FIG. 8 is a schematic view of the structure of the push-pull box and the support frame of the present invention
Fig. 9 is an enlarged view of fig. 6 at a in accordance with the present invention.
In the figure: 1. a coal bed gas well; 2. a water outlet pipe; 3. a pool; 4. a guide rod; 5. a push-pull box; 6. a handle; 7. a water tank; 8. a flow meter; 9. a flow pipe; 10. a variable frequency reciprocating pump; 11. a drain pipe; 12. a pressure gauge; 13. a water pump; 14. a connecting pipe; 15. a mounting base; 16. a water conduit; 17. a hydraulic cylinder; 18. a storage box; 19. a fixing frame; 20. a support frame; 21. a connecting seat; 22. an L-shaped seat; 23. a support rod; 24. a filter frame; 25. a collar; 26. a fixing bolt; 27. a return pipe; 28. scraping the strip; 29. a storage groove; 30. and (5) mounting a frame.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the present invention is not limited to the specific embodiments disclosed below.
1-9, a coalbed methane water washing pump device under pressure, including coalbed methane well 1, pond 3 and water pitcher 7, coalbed methane well 1's one end inboard is linked together with pond 3 through the outlet pipe 2 of intercommunication installation, pond 3's inboard is provided with clearance mechanism, storage box 18 is all installed to pond 3's both sides, pond 3's one end outside and be close to the top position fixed mounting have support frame 20, and support frame 20 inboard sliding connection has push-pull tank 5, and push-pull tank 5's one end outside installs handle 6, push-pull tank 5's inboard top is the open type, pond 3 inboard and the one end that keeps away from outlet pipe 2 are linked together with water pitcher 7 through the water supply mechanism that sets up, water pitcher 7's outside below installs mounting bracket 30, water pitcher 7 one end inboard intercommunication has runner pipe 9, runner pipe 9 is kept away from water pitcher 7's one end inboard top position intercommunication and is installed flowmeter 8, runner pipe 8's one end intercommunication that runner pipe 9 kept away from flowmeter 8 has frequency conversion reciprocating pump 10, frequency conversion pump 10's one end intercommunication has drain pipe 11, drain pipe 11 is kept away from frequency conversion reciprocating pump 10's one end inboard intercommunication and is installed manometer 12, drain pipe 11 keeps away from the one end intercommunication of frequency conversion reciprocating pump 10 is kept away from pressure gauge 12, drain pipe 11 one end intercommunication that is kept away from the back pipe 27 is kept away from the back to be linked together with the coal seam 1.
The water of the coal-bed gas well 1 can be discharged into the inner side of the water tank 3 through the arranged water outlet pipe 2, the water tank 3 plays a role in water storage under the conventional state, the support frame 20 arranged can be convenient for stably adapting to the sliding operation of the push-pull box 5, garbage discharging is carried out in the later stage, the pressure gauge 12, the flowmeter 8 and the variable frequency reciprocating pump 10 are all of the prior art, redundant description is omitted, and the water discharge pipe 11 and the return pipe 27 play a role in communicating water.
The cleaning mechanism comprises guide rods 4 which are respectively arranged at the corners of the inner side of the pool 3, the outer sides of the four guide rods 4 are respectively connected with a filter frame 24 in a sliding manner through corresponding sliding parts, the filter frames 24 are obliquely arranged, the outer sides of the filter frames 24 are provided with a moss cleaning mechanism, the two sides of the filter frames 24 are respectively provided with a lifting mechanism, and the inner sides of the filter frames 24 are provided with a plurality of groups of filter holes.
The four guide rods 4 can promote the integral structure of the filter frame 24 to guide in the vertical direction, and a plurality of groups of filter holes on the inner side of the filter frame 24 can sufficiently remove plankton.
The sliding parts comprise lantern rings 25 which are sleeved on the outer sides of the guide rods 4 at corresponding positions in a sliding manner, and the lantern rings 25 at the corresponding positions are fixedly connected with the bottoms of the filter frames 24.
The filter frame 24 can be conveniently driven to slide on the outer side of the guide rod 4 by the collar 25.
The moss removing mechanism comprises a fixing frame 19 arranged on the outer side of the filter frame 24, scraping strips 28 extend out of the edge of each surface of the fixing frame 19, and the corresponding scraping strips 28 are in sliding fit with the inner wall of the water tank 3.
When the filter frame 24 moves, the fixing frame 19 and the scraping strips 28 at the outer side edge are in sliding fit with the inner wall of the water tank 3, so that moss can be removed.
The elevating system includes all seting up the inboard storage tank 29 of storage box 18, and storage box 18 inboard bottom fixed mounting has pneumatic cylinder 17, and the flexible end of pneumatic cylinder 17 is connected with straining frame 24 through the supporting component that sets up.
The hydraulic cylinder 17 can be mounted at the bottom of the inner side of the storage box 18 through the arranged storage groove 29, and the hydraulic cylinder 17 is driven to lift in the later period to assist the filter frame 24 in use.
The supporting component comprises connecting seats 21 which are respectively arranged at the telescopic ends of the corresponding hydraulic cylinders 17, one ends of the connecting seats 21, which are far away from the hydraulic cylinders 17, are fixedly connected with supporting rods 23, the bottom ends of the supporting rods 23 are fixedly connected with L-shaped seats 22, and the two ends of the inner sides of the L-shaped seats 22 are respectively connected with a filter frame 24 through fixed bolts 26 which are arranged.
The hydraulic cylinder 17 can push the connecting seat 21 to move upwards or downwards below one end, and the connecting seat 21 can drive the supporting rod 23 and the L-shaped seat 22 to move at the same time, so that the filter frame 24 can stably move in the water tank 3 to salvage impurities.
The water delivery mechanism comprises a water conduit 16 which is communicated with the inner side of the water tank 3 and far away from one end of the water outlet pipe 2, one end of the water conduit 16 is communicated with a water pump 13, the outer side of the water pump 13 is provided with a mounting mechanism, one end of the water pump 13 far away from the water conduit 16 is communicated with a connecting pipe 14, and one end of the connecting pipe 14 far away from the water pump 13 is communicated with the water tank 7.
The water pump 13 can pump the water inside the pool 3 through the water guide pipe 16 for sucking the water and injecting the water, and the pumped water can be sent to the water tank 7 through the connecting pipe 14, so that the water injection quantity and pressure measurement can be recorded in the later period.
The installation mechanism comprises an installation seat 15 fixedly sleeved on the outer side of the water pump 13, and the installation seat 15 is arranged in a triangular shape.
The water pump 13 can be stably supported on the outer side of the water pump 13 through the arranged mounting seat 15.
Working principle: during the use, coal bed gas well 1 sends water to the inboard of pond 3, water pump 13 is inside sending water to the water pitcher 7 with the inboard water of pond 3 through the suction of leading water pipe 16 in one end, under the effect of frequency conversion reciprocating pump 10, send water to drain pipe 11 department from the water pitcher 7 inboard, the water that circulates in its inside can fully calculate the department through flowmeter 8, the later stage can be when coal bed gas well 1 water yield is less than the volume of taking out to the minimum running state of extraction equipment, the pressure gauge 12 in the inboard of drain pipe 11 can be adjusted according to coal bed gas well 1 jacket pressure size, simultaneously, the pond 3 is under the state of conventional retaining, the inboard of pond 3 can have plankton or impurity scheduling material, can drive corresponding connecting seat 21 through the pneumatic cylinder 17 of storage box 18 inboard bottom, bracing piece 23, L shape seat 22 lifts the filter frame 24 of pond 3 inboard bottom, the scraping strip 28 of filter frame 24 border then can laminate the inner wall of pond 3 simultaneously, the in-step up process can be with impurity and green-lifting on the inner wall of pond 3 together, the push-pull cup setting up on the filter frame 24, the handle is convenient for carrying out the pull-push-pull tank 3 in the process of the lift the handle is carried out to the water pump 13 in the aspect of the invention, can be cleaned up the problem is avoided in the pump body 5 to the pump body 5 is carried out to the outside in the process of the pump 13 is convenient to the outside, the pump body is clear up in the outside is in the process is convenient for the outside is in the side is clear up to the side is in the side is to the side 5 to the side is in the side is to the side 5 has a problem.
In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, if present, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. The utility model provides a coalbed methane area is pressed annotates washing pump device, includes coalbed methane well (1), pond (3) and water pitcher (7), its characterized in that, coalbed methane well (1) one end inboard is linked together with pond (3) through outlet pipe (2) of intercommunication installation, the inboard of pond (3) is provided with clearance mechanism, storage box (18) are all installed to the both sides of pond (3), the one end outside of pond (3) just is close to upper position fixed mounting have support frame (20), just support frame (20) inboard sliding connection has push-pull tank (5), just handle (6) are installed in push-pull tank (5) one end outside, push-pull tank (5) inboard top is the open type, the one end that pond (3) inboard and the outlet pipe (2) were kept away from is linked together with water pitcher (7) through the delivery mechanism that sets up, mounting bracket (30) are installed to the outside below of water pitcher (7), water pitcher (7) one end inboard intercommunication has runner pipe (9), one end inboard intercommunication of runner pipe (9) is kept away from the one end upside of water pitcher (7) and is located upper position and is installed handle (6), one end (10) is kept away from reciprocating pump (10) intercommunication has flowmeter (10), the inner side of one end, far away from the variable frequency reciprocating pump (10), of the drain pipe (11) is provided with a pressure gauge (12) in a communicating way, one end, far away from the pressure gauge (12), of the drain pipe (11) is provided with a return pipe (27) in a communicating way, and one end, far away from the drain pipe (11), of the return pipe (27) is communicated with a coal bed gas well (1);
the cleaning mechanism comprises guide rods (4) which are respectively arranged at the corners of the inner side of the water tank (3), the outer sides of the four guide rods (4) are respectively connected with a filter frame (24) in a sliding manner through corresponding sliding pieces, the filter frames (24) are obliquely arranged, the outer sides of the filter frames (24) are provided with a moss cleaning mechanism, the two sides of the filter frames (24) are respectively provided with a lifting mechanism, and the inner sides of the filter frames (24) are provided with a plurality of groups of filter holes;
the sliding parts comprise lantern rings (25) which are sleeved on the outer sides of the guide rods (4) at corresponding positions in a sliding manner, and the lantern rings (25) at the corresponding positions are fixedly connected with the bottoms of the filter frames (24);
the moss removing mechanism comprises a fixing frame (19) arranged on the outer side of the filter frame (24), scraping strips (28) extend out of the edge of each surface of the fixing frame (19), and the corresponding scraping strips (28) are in sliding fit with the inner wall of the water tank (3);
the lifting mechanism comprises storage tanks (29) which are all arranged on the inner side of a storage box (18), a hydraulic cylinder (17) is fixedly arranged at the bottom of the inner side of the storage box (18), and the telescopic end of the hydraulic cylinder (17) is connected with a filter frame (24) through a supporting component;
the support assembly comprises connecting seats (21) which are arranged at telescopic ends of corresponding hydraulic cylinders (17), one ends, far away from the hydraulic cylinders (17), of the connecting seats (21) are fixedly connected with support rods (23), the bottom ends of the support rods (23) are fixedly connected with L-shaped seats (22), and two ends of the inner sides of the L-shaped seats (22) are connected with a filter frame (24) through fixing bolts (26) which are arranged.
2. The coalbed methane pressurized water injection and washing pump device according to claim 1, wherein the water delivery mechanism comprises a water guide pipe (16) which is communicated with the inner side of the water tank (3) and far away from one end of the water outlet pipe (2), one end of the water guide pipe (16) is communicated with a water pump (13), the outer side of the water pump (13) is provided with a mounting mechanism, one end of the water pump (13) far away from the water guide pipe (16) is communicated with a connecting pipe (14), and one end of the connecting pipe (14) far away from the water pump (13) is communicated with the water tank (7).
3. The coalbed methane pressurized water injection and washing pump device according to claim 2, wherein the installation mechanism comprises an installation seat (15) fixedly sleeved on the outer side of the water pump (13), and the installation seat (15) is arranged in a triangular shape.
CN202111531747.6A 2021-12-15 2021-12-15 Coal bed gas pressure water injection washing pump device Active CN114439438B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111531747.6A CN114439438B (en) 2021-12-15 2021-12-15 Coal bed gas pressure water injection washing pump device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111531747.6A CN114439438B (en) 2021-12-15 2021-12-15 Coal bed gas pressure water injection washing pump device

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CN114439438B true CN114439438B (en) 2023-07-25

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CN201531400U (en) * 2009-09-15 2010-07-21 河南华盛能源工程有限公司 Intelligent drainage and production device for immersed pump in coal bed gas wells
CN205297401U (en) * 2015-12-16 2016-06-08 常州凯锐能源科技有限公司 Intelligence well washing device
CN108019168A (en) * 2016-10-28 2018-05-11 中国石油大学(北京) Coal bed gas well coal dust suspending agent injection device
CN207363651U (en) * 2017-07-11 2018-05-15 山西锦联科贸有限公司 A kind of system of full-automatic reinjected water or additive
CN212308979U (en) * 2020-03-25 2021-01-08 冯婉媚 Chemical wastewater treatment device
CN213510549U (en) * 2020-10-17 2021-06-22 张自平 Circulating drainage and mining mechanism in coal bed gas well
CN213928337U (en) * 2020-10-26 2021-08-10 山西晋城无烟煤矿业集团有限责任公司 Coal bed gas well gas leakage measuring and recycling system
CN214273728U (en) * 2020-11-11 2021-09-24 陕西竹园嘉原矿业有限公司 Underground drainage device for coal mine
CN113586007B (en) * 2021-09-06 2023-08-18 王军 A Method for On-site Determination of Injection Fluid Flow Rate of Coalbed Gas Well Washing Pump

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