CN109025912A - Coal bed gas water drainage gas production device - Google Patents
Coal bed gas water drainage gas production device Download PDFInfo
- Publication number
- CN109025912A CN109025912A CN201811068119.7A CN201811068119A CN109025912A CN 109025912 A CN109025912 A CN 109025912A CN 201811068119 A CN201811068119 A CN 201811068119A CN 109025912 A CN109025912 A CN 109025912A
- Authority
- CN
- China
- Prior art keywords
- level
- water storage
- water
- storage cylinder
- coal bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 239000003245 coal Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 86
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
Landscapes
- 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)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses coal bed gas water drainage gas production devices, it can greatly improve the efficiency drawn water, guarantee the reliability service of suction pump, when mode is drawn water, the danger of the too low damage for causing water pump of water level, simultaneously, water in drainage holes can be carried out extracting clean, it is always ensured that in drainage holes in anhydrous or compared with low water level state, guarantee the effect and efficiency of pumping, the present invention is in draining, water is gathered in second level water storage cylinder in the way of rotation and lifting, then the water in second level water storage cylinder is collected to level-one water storage cylinder again, and then it is drained using draining pump, while improving drainage efficiency, reduce the runing time of the draining pump of relatively high power, guarantee its reliability, simultaneously, it can guarantee the efficiency of drainage holes internal drainage and drain thorough degree.
Description
Technical field
The present invention relates to coal bed gas water drainage gas production devices, belong to coal bed gas gas production drainage equipment technical field.
Background technique
In the case where international energy situation is becoming tight, as a kind of high-quality and efficient clean energy resource, coal bed gas is opened on a large scale
It is tempting to send out Utilization prospects.The development and utilization of coal bed gas also have effects that achieve many things at one stroke: improving gas accident prevention level, have
Safety effectiveness;Effective GHG emissions mitigation generates good environmental protection effect;As a kind of efficient, clear energy sources, generate huge
Economic benefit.If gas utilization is got up, it to be used for fuel used to generate electricity, industrial fuel and resident living fuel;Also liquefiable at
Motor vehicle fuel can be also widely applied to production synthesis ammonia, formaldehyde, methanol, carbon black etc., become a kind of clear energy sources that calorific value is high
And important source material, the market prospects of development and utilization are very wide.
For the exploitation of coal bed gas, in recovery process, due to often there is infiltration phenomenon, in exploitation,
It needs constantly to carry out extraction discharge to the infiltration in exploitation hole, therefore, drain for the exploitation of coal bed gas, it is especially heavy
It wants, current coal bed gas draining is typically only realized by draining pump, in drainage procedure, needs to have in retaining hole lower
Water level, this results in needing the moment to open draining pump, and draining pump is when water level under low state compared with running, it is easy to cause to arrange
The damage of water pump, moreover, the power of draining pump is larger, the moment opens waste electric energy, not can guarantee constantly in compared with low water level.
The present invention improves the completeness of draining in view of the above problems, offer coal bed gas water drainage gas production device, energy saving to disappear
Consumption.
Summary of the invention
To achieve the above object, the invention provides the following technical scheme: coal bed gas water drainage gas production device comprising pumping group
Part and drain assembly, wherein the upper end of drainage holes to be evacuated is provided with sealing blocking part, and the exhaust tube of the vacuum elements is logical
The medium position that the sealing blocking part protrudes into drainage holes is crossed, the drain assembly includes draining pump, rotary drive assembly, rotation
Rotary column, level-one water storage cylinder, second level water storage cylinder and spiral transferring wiper blade, wherein the column spinner can by the rotary drive assembly
Rotation is protruded into the drainage holes, and the lower end of the column spinner has been fixedly and coaxially connected the level-one water storage cylinder, the level-one
The lower end of water storage cylinder has been fixedly and coaxially connected the second level water storage cylinder, and the bottom in the second level water storage cylinder is provided with centre and draws water
Pump, the output water pipe end of the intermediate suction pump are connected in the level-one water storage cylinder, and the draining pump is connected by drainpipe
Bottom position in the level-one water storage cylinder, the circumferential part of the second level water storage cylinder is provided with compatible with extraction bore dia
Spiral conveying blade is intensively provided with multiple water storage cavities with second level water storage cylinder on the outer wall on the top of the second level water storage cylinder and connects
Logical inlet opening, the lower part of the second level water storage cylinder are the non-porous structure for surrounding water storage cavity, and the intermediate suction pump is located at described
In the non-porous structure of the water storage cavity of the lower part of second level water storage cylinder, when being evacuated draining, the rotary drive assembly drives institute
Column spinner rotation is stated, and then it is upper to second level water storage cylinder to drive the spiral transferring wiper blade to transport the water of drainage holes bottom downwards
In the non-porous structure for flowing downwardly into water storage cavity at inlet opening on the outer wall in portion, then drawn water using intermediate suction pump to described one
In grade water storage cylinder, recycle draining pump that water is discharged.
Further, preferably, the column spinner is provided centrally with central through hole, the draining connected on the draining pump
Pipe is connected in the level-one water storage cylinder by the central through hole, is provided with control valve on the drainpipe.
Further, preferably, the rotary drive assembly includes fixed frame, support plate, rotational drive motor, driving tooth
Wheel and driven gear, wherein cavity is provided in the fixed frame, the upper end of the fixed frame is fixedly installed support plate, institute
The top excircle for stating Rotational Cylindrical is rotatably supported using outer bearing to be mounted on the fixed frame, and protrudes into the fixed frame
In cavity, the upper end fixing sleeve for protruding into the Rotational Cylindrical in the fixed frame cavity is equipped with the driven gear, the driven gear
With the driving gear engaged transmission, the driving gear and the rotational drive motor are drivingly connected.
Further, preferably, being fixedly installed protection positioning sleeve, institute using bearing in the central through hole of the Rotational Cylindrical
The upper end for stating protection positioning sleeve is fixed in the support plate, and the drainpipe is located in the protection positioning sleeve, draining
Pump is laid in the support plate.
Further, preferably, the vacuum elements include aspiration pump, exhaust tube and pumping control valve, aspiration pump connection
To the exhaust tube, the exhaust tube passes through the sealing blocking part and protrudes into the aspirating hole, and the pumping control valve is located at
On the exhaust tube.
Further, preferably, the bottom of the second level water storage cylinder is arranged in bearing block, the bearing block is with binder
Mode be fixed on the bottom of aspirating hole.
Further, preferably, the excircle diameter of the level-one water storage cylinder is identical as the excircle diameter of Rotational Cylindrical, two
The outer dia of grade water storage cylinder is less than the excircle diameter of Rotational Cylindrical.
Further, preferably, when the shape structure of the spiral transferring wiper blade is set as its rotation, water energy is enough by defeated upwards
It send, the spiral transferring wiper blade is elastic construction made of elastic material.
Further, preferably, being provided with the liquid for detecting its interior liquid level in the level-one water storage cylinder and second level water storage cylinder
Level sensor.
Further, preferably, further including controller, the controller and the aspiration pump, draining pump and rotation are driven
Dynamic component connection.
Compared with prior art, the beneficial effects of the present invention are:
Coal bed gas water drainage gas production device of the invention, can greatly improve the efficiency drawn water, and guarantee the reliability service of suction pump,
When mode is drawn water, the danger of the too low damage for causing water pump of water level, meanwhile, the water in drainage holes can be carried out extracting completely,
It is always ensured that in drainage holes in anhydrous or compared with low water level state, guarantees that the effect and efficiency of pumping, the present invention are draining
When, water is gathered in second level water storage cylinder in the way of rotation and lifting, then again collects the water in second level water storage cylinder to one
Grade water storage cylinder, and then drained using draining pump, while improving drainage efficiency, reduce the operation of the draining pump of relatively high power
Time guarantees its reliability, simultaneously, it is ensured that the efficiency and the thorough degree of draining of drainage holes internal drainage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coal bed gas water drainage gas production device of the present invention；
Fig. 2 is structural schematic diagram at the rotary drive assembly of coal bed gas water drainage gas production device of the present invention；
Fig. 3 is structural schematic diagram at the second level water storage cylinder position of coal bed gas water drainage gas production device of the present invention；
Fig. 4 is structural schematic diagram at the level-one water storage cylinder and second level water storage cylinder position of coal bed gas water drainage gas production device of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: coal bed gas water drainage gas production device comprising vacuum elements
And drain assembly, wherein the upper end of drainage holes to be evacuated is provided with sealing blocking part 14, the exhaust tube 13 of the vacuum elements
The medium position in drainage holes is protruded by the sealing blocking part 14, the drain assembly includes draining pump 7, rotation driving group
Part, column spinner 8, level-one water storage cylinder 17, second level water storage cylinder 22 and spiral transferring wiper blade 11, wherein the column spinner 8 is by the rotation
Turn driving assembly rotatably to protrude into the drainage holes, the lower end of the column spinner 8 has been fixedly and coaxially connected the level-one storage
Water drum, the lower end of the level-one water storage cylinder have been fixedly and coaxially connected the second level water storage cylinder 17, in the second level water storage cylinder 17
Bottom is provided with intermediate suction pump 12, and 20 end of output water pipe of the intermediate suction pump 12 is connected to the level-one water storage cylinder 17
Interior, the draining pump 7 is connected to the bottom position in the level-one water storage cylinder 17, the second level water storage cylinder 22 by drainpipe 19
Circumferential part be provided with spiral conveying blade 11 compatible with extraction bore dia, on the outer wall on the top of the second level water storage cylinder
It is intensively provided with the inlet opening 21 that multiple water storage cavities with second level water storage cylinder 22 are connected to, the lower part of the second level water storage cylinder 22 is to enclose
At the non-porous structure of water storage cavity, the intermediate suction pump 12 is located at the non-porous knot of the water storage cavity of the lower part of the second level water storage cylinder 22
In structure, when being evacuated draining, the rotary drive assembly drives the column spinner rotation, and then drives the spiral water delivery
Blade 11 transports downwards the water of drainage holes bottom to flowing downwardly into storage at the inlet opening on the outer wall on the top of second level water storage cylinder
It in the non-porous structure of water cavity, is then drawn water using intermediate suction pump 12 to the level-one water storage cylinder 17, recycles draining pump 7 will
Water discharge.
In the present embodiment, the column spinner 8 is provided centrally with central through hole, the draining connected on the draining pump 7
Pipe 19 is connected in the level-one water storage cylinder by the central through hole, and control valve 18 is provided on the drainpipe.
As preferred embodiment, the rotary drive assembly include fixed frame 3, support plate 16, rotational drive motor 4,
Driving gear 5 and driven gear 6, wherein cavity is provided in the fixed frame 3, the upper end of the fixed frame 3 is fixedly installed
Support plate 16, the top excircle of the Rotational Cylindrical 8 is rotatably supported using outer bearing to be mounted on the fixed frame 3, and is stretched
In the cavity for entering the fixed frame 3, the upper end fixing sleeve of the Rotational Cylindrical 8 in 3 cavity of fixed frame is protruded into equipped with described driven
Gear 6, the driven gear 6 drive with 5 engaged transmission of driving gear, the driving gear 5 with the rotational drive motor 4
Dynamic connection.
Wherein, protection positioning sleeve 17 is fixedly installed using bearing in the central through hole of the Rotational Cylindrical 8, the protection is fixed
The upper end of position set 17 is fixed in the support plate 16, and the drainpipe is located in the protection positioning sleeve 17, draining pump 7
It is laid in the support plate 16.
As more preferably embodiment, the vacuum elements include aspiration pump 2, exhaust tube 13 and pumping control valve 15, pumping
Pump 2 is connected to the exhaust tube 13, and the exhaust tube 13 passes through the sealing blocking part 14 and protrudes into the aspirating hole, the pumping
Gas control valve 15 is located on the exhaust tube 13.
In the present embodiment, the bottom of the second level water storage cylinder is arranged in bearing block 23, and the bearing block 23 is to bond
The mode of agent is fixed on the bottom of aspirating hole.The excircle diameter of the level-one water storage cylinder 17 and the excircle diameter of Rotational Cylindrical 8
Identical, the outer dia of second level water storage cylinder 22 is less than the excircle diameter of Rotational Cylindrical 17.The shape of the spiral transferring wiper blade 11
When structure is set as its rotation, water energy is enough to be delivered up, and the spiral transferring wiper blade is elastic construction made of elastic material.It is described
The liquid level sensor 18 for detecting its interior liquid level is provided in level-one water storage cylinder and second level water storage cylinder.
In addition, the invention also includes controller, the controller and the aspiration pump, draining pump and rotary drive assembly
Connection.
Pumping drainage arrangement of the invention, can greatly improve the efficiency drawn water, and guarantee the reliability service of suction pump, side
When formula is drawn water, the danger of the too low damage for causing water pump of water level, meanwhile, the water in drainage holes can be carried out to extracting clean, the beginning
Eventually guarantee drainage holes in be in anhydrous or compared with low water level state, guarantees pumping effect and efficiency, the present invention draining when,
Water is gathered in second level water storage cylinder in the way of rotation and lifting, then the water in second level water storage cylinder is collected to level-one again and is stored up
Water drum, and then drained using draining pump, while improving drainage efficiency, when reducing the operation of the draining pump of relatively high power
Between, guarantee its reliability, simultaneously, it is ensured that the efficiency and the thorough degree of draining of drainage holes internal drainage.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. coal bed gas water drainage gas production device, which is characterized in that it includes vacuum elements and drain assembly, wherein pumping to be evacuated
The upper end for adopting hole is provided with sealing blocking part, and the exhaust tube of the vacuum elements is protruded into drainage holes by the sealing blocking part
Medium position, the drain assembly include draining pump, rotary drive assembly, column spinner, level-one water storage cylinder, second level water storage cylinder and
Spiral transferring wiper blade, wherein the column spinner is rotatably protruded into the drainage holes by the rotary drive assembly, the rotation
The lower end of rotary column has been fixedly and coaxially connected the level-one water storage cylinder, and the lower end of the level-one water storage cylinder has been fixedly and coaxially connected described
Second level water storage cylinder, the bottom in the second level water storage cylinder are provided with intermediate suction pump, the output water pipe end of the intermediate suction pump
It being connected in the level-one water storage cylinder, the draining pump is connected to the bottom position in the level-one water storage cylinder by drainpipe,
The circumferential part of the second level water storage cylinder is provided with spiral conveying blade compatible with extraction bore dia, the second level water storage cylinder
The inlet opening that multiple water storage cavities with second level water storage cylinder are connected to intensively is provided on the outer wall on top, under the second level water storage cylinder
Portion is the non-porous structure for surrounding water storage cavity, and the intermediate suction pump is located at the non-porous of the water storage cavity of the lower part of the second level water storage cylinder
In structure, when being evacuated draining, the rotary drive assembly drives the column spinner rotation, and then drives the spiral transferring
Wiper blade transports downwards the water of drainage holes bottom to flowing downwardly into storage at the inlet opening on the outer wall on the top of second level water storage cylinder
It in the non-porous structure of water cavity, is then drawn water using intermediate suction pump to the level-one water storage cylinder, draining pump is recycled to arrange water
Out.
2. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: the column spinner is provided centrally with
Central through hole, the drainpipe connected on the draining pump is connected in the level-one water storage cylinder by the central through hole, described
Control valve is provided on drainpipe.
3. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: the rotary drive assembly includes solid
Determine frame, support plate, rotational drive motor, driving gear and driven gear, wherein cavity is provided in the fixed frame, it is described
The upper end of fixed frame is fixedly installed support plate, and the top excircle of the Rotational Cylindrical is rotatably supported using outer bearing to be mounted on
It on the fixed frame, and protrudes into the cavity of the fixed frame, the upper end of the Rotational Cylindrical protruded into the fixed frame cavity is fixed
It is arranged with the driven gear, the driven gear and driving gear engaged transmission, the driving gear and the rotation
Driving motor is drivingly connected.
4. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: in the central through hole of the Rotational Cylindrical
Protection positioning sleeve is fixedly installed using bearing, the upper end of the protection positioning sleeve is fixed in the support plate, described
Drainpipe is located in the protection positioning sleeve, and draining pump is laid in the support plate.
5. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: the vacuum elements include pumping
Pump, exhaust tube and pumping control valve, aspiration pump are connected to the exhaust tube, and the exhaust tube passes through the sealing blocking part and protrudes into
In the aspirating hole, the pumping control valve is located on the exhaust tube.
6. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: the bottom of the second level water storage cylinder is set
It sets in bearing block, the bearing block is fixed on the bottom of aspirating hole in a manner of binder.
7. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: the excircle of the level-one water storage cylinder
Diameter is identical as the excircle diameter of Rotational Cylindrical, and the outer dia of second level water storage cylinder is less than the excircle diameter of Rotational Cylindrical.
8. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: the shape of the spiral transferring wiper blade
When structure is set as its rotation, water energy is enough to be delivered up, and the spiral transferring wiper blade is elastic construction made of elastic material.
9. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: the level-one water storage cylinder and second level storage
The liquid level sensor for detecting its interior liquid level is provided in water drum.
10. coal bed gas water drainage gas production device according to claim 1, it is characterised in that: it further include controller, the control
Device is connect with the aspiration pump, draining pump and rotary drive assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068119.7A CN109025912B (en) | 2018-09-13 | 2018-09-13 | Coal bed gas drainage and gas production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068119.7A CN109025912B (en) | 2018-09-13 | 2018-09-13 | Coal bed gas drainage and gas production device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109025912A true CN109025912A (en) | 2018-12-18 |
| CN109025912B CN109025912B (en) | 2020-10-09 |
Family
ID=64621920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811068119.7A Active CN109025912B (en) | 2018-09-13 | 2018-09-13 | Coal bed gas drainage and gas production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109025912B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882132A (en) * | 2019-03-19 | 2019-06-14 | 中国地质大学（北京） | A kind of coal bed gas self-draining arrangement |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050350U (en) * | 1989-06-24 | 1990-01-03 | 夏昌建 | Complex eddying wet-type high efficency dust remover |
| CN2931575Y (en) * | 2006-07-19 | 2007-08-08 | 叶吉 | Composite reinforcement water-absorbing well tube |
| CN102296589A (en) * | 2011-06-02 | 2011-12-28 | 浙江大学 | Foundation drainage method of well point water-drawing control group pipe siphon |
| CN202706015U (en) * | 2012-05-25 | 2013-01-30 | 靳宝林 | Drainage device used for soft ground treatment |
| CN103410488A (en) * | 2013-09-05 | 2013-11-27 | 中国石油大学(华东) | Natural gas hydrate water discharge gas production exploitation device and exploitation method of natural gas hydrate water discharge gas production exploitation device |
| CN203906268U (en) * | 2014-04-04 | 2014-10-29 | 唐山玉联机电有限公司 | Special anchor-free screw pump for coal bed gas recovery through water drainage |
| CN204000909U (en) * | 2014-05-27 | 2014-12-10 | 江苏南通三建集团有限公司 | A kind of immersed tube Precipitation Structure |
| AU2013327047A1 (en) * | 2012-10-04 | 2015-05-21 | Baker Hughes Incorporated | Detection of well fluid contamination in sealed fluids of well pump assemblies |
| CN204552716U (en) * | 2015-01-22 | 2015-08-12 | 陕西延长石油（集团）有限责任公司（延长油矿管理局）油气勘探公司 | A kind of eddy current dewatering type underground throttle device |
| CN205000350U (en) * | 2015-08-31 | 2016-01-27 | 鞍钢房产建设有限公司 | Closed automatic precipitation device |
| CN105350552A (en) * | 2015-09-25 | 2016-02-24 | 中国二十冶集团有限公司 | Underground water control method for backfilled sediment layer |
| CN105840164A (en) * | 2016-03-18 | 2016-08-10 | 河南理工大学 | Regional pressure release coal bed gas mining method |
| CN105863567A (en) * | 2015-11-02 | 2016-08-17 | 北京泰斯特威尔技术有限公司 | Pressure controlling and air lifting drainage gas recovery equipment and method |
| CN105927552A (en) * | 2016-05-11 | 2016-09-07 | 浙江贝德泵业有限公司 | Water pump for sewerage system |
| CN106639984A (en) * | 2015-11-02 | 2017-05-10 | 中国石油化工股份有限公司 | Gas production tubular column, gas production method and vortex device |
| CN206438526U (en) * | 2017-01-12 | 2017-08-25 | 上海市水利工程集团有限公司 | Deep basal pit tube well dewatering equipment |
| CN107401393A (en) * | 2017-07-31 | 2017-11-28 | 山西晋城无烟煤矿业集团有限责任公司 | Water pumping gas production integration goaf gas extraction well casing programme and its construction method |
| CN107939351A (en) * | 2016-10-12 | 2018-04-20 | 中国石油天然气股份有限公司 | Coal bed gas drainage and gas production device and using method thereof |
| CN108060677A (en) * | 2017-12-01 | 2018-05-22 | 杭州市环境集团有限公司 | A kind of positive/negative-pressure of Landfill precipitation strengthens pump drainage shaft structure and construction method |
-
2018
- 2018-09-13 CN CN201811068119.7A patent/CN109025912B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050350U (en) * | 1989-06-24 | 1990-01-03 | 夏昌建 | Complex eddying wet-type high efficency dust remover |
| CN2931575Y (en) * | 2006-07-19 | 2007-08-08 | 叶吉 | Composite reinforcement water-absorbing well tube |
| CN102296589A (en) * | 2011-06-02 | 2011-12-28 | 浙江大学 | Foundation drainage method of well point water-drawing control group pipe siphon |
| CN202706015U (en) * | 2012-05-25 | 2013-01-30 | 靳宝林 | Drainage device used for soft ground treatment |
| AU2013327047A1 (en) * | 2012-10-04 | 2015-05-21 | Baker Hughes Incorporated | Detection of well fluid contamination in sealed fluids of well pump assemblies |
| CN103410488A (en) * | 2013-09-05 | 2013-11-27 | 中国石油大学(华东) | Natural gas hydrate water discharge gas production exploitation device and exploitation method of natural gas hydrate water discharge gas production exploitation device |
| CN203906268U (en) * | 2014-04-04 | 2014-10-29 | 唐山玉联机电有限公司 | Special anchor-free screw pump for coal bed gas recovery through water drainage |
| CN204000909U (en) * | 2014-05-27 | 2014-12-10 | 江苏南通三建集团有限公司 | A kind of immersed tube Precipitation Structure |
| CN204552716U (en) * | 2015-01-22 | 2015-08-12 | 陕西延长石油（集团）有限责任公司（延长油矿管理局）油气勘探公司 | A kind of eddy current dewatering type underground throttle device |
| CN205000350U (en) * | 2015-08-31 | 2016-01-27 | 鞍钢房产建设有限公司 | Closed automatic precipitation device |
| CN105350552A (en) * | 2015-09-25 | 2016-02-24 | 中国二十冶集团有限公司 | Underground water control method for backfilled sediment layer |
| CN105863567A (en) * | 2015-11-02 | 2016-08-17 | 北京泰斯特威尔技术有限公司 | Pressure controlling and air lifting drainage gas recovery equipment and method |
| CN106639984A (en) * | 2015-11-02 | 2017-05-10 | 中国石油化工股份有限公司 | Gas production tubular column, gas production method and vortex device |
| CN105840164A (en) * | 2016-03-18 | 2016-08-10 | 河南理工大学 | Regional pressure release coal bed gas mining method |
| CN105927552A (en) * | 2016-05-11 | 2016-09-07 | 浙江贝德泵业有限公司 | Water pump for sewerage system |
| CN107939351A (en) * | 2016-10-12 | 2018-04-20 | 中国石油天然气股份有限公司 | Coal bed gas drainage and gas production device and using method thereof |
| CN206438526U (en) * | 2017-01-12 | 2017-08-25 | 上海市水利工程集团有限公司 | Deep basal pit tube well dewatering equipment |
| CN107401393A (en) * | 2017-07-31 | 2017-11-28 | 山西晋城无烟煤矿业集团有限责任公司 | Water pumping gas production integration goaf gas extraction well casing programme and its construction method |
| CN108060677A (en) * | 2017-12-01 | 2018-05-22 | 杭州市环境集团有限公司 | A kind of positive/negative-pressure of Landfill precipitation strengthens pump drainage shaft structure and construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882132A (en) * | 2019-03-19 | 2019-06-14 | 中国地质大学（北京） | A kind of coal bed gas self-draining arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109025912B (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206902007U (en) | The sludge dewatering equipment that a kind of flat is made an uproar and prevents spiral from damaging | |
| CN203560108U (en) | Submersible pump | |
| CN204703293U (en) | Pipeline cleaning equipment under small-sized well | |
| CN105797455A (en) | Screen filter capable of recycling pollution discharge water and achieving automatic cleaning | |
| CN109025912A (en) | Coal bed gas water drainage gas production device | |
| CN102936920A (en) | Vacuum rainwater drainage system and method | |
| CN211777864U (en) | Water energy-saving environment-friendly device | |
| CN208087263U (en) | A kind of solid-liquid separator of sewage disposal | |
| CN201810466U (en) | Device for generating electricity by utilizing sewer effluent | |
| CN202865974U (en) | Vacuum rainwater drainage system | |
| CN201747573U (en) | Multifunctional sand setting and air exhaust oil-extraction pump | |
| CN203175841U (en) | Novel mining downhole drainage pump device without bottom valve | |
| CN203890145U (en) | Sewage grit removal system | |
| CN102606487A (en) | Full-automatic ground sewage lift pump unit | |
| CN112761714A (en) | Gas drainage pipeline drainage dust collector | |
| CN109956573A (en) | A kind of architectural engineering groundwater reclaim utilizes method | |
| CN205815217U (en) | Plate-frame-type oil-filtering machine | |
| CN212898614U (en) | Novel mine bottomless valve drainage device | |
| CN205532708U (en) | Automatic sediment device is arranged in bottom discharge drainage | |
| CN213511074U (en) | High-efficiency energy-saving precipitation pump | |
| CN202263499U (en) | Gear wheel drilling machine wet type dust collector | |
| CN202500782U (en) | Full-automatic ground sewage lift pump assembly | |
| CN211171779U (en) | Energy-conserving cleaning device of city pavement | |
| CN216477880U (en) | Agricultural water conservancy drainage device | |
| CN212166661U (en) | Sand-water separation device for wastewater treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |