CN207554031U - A kind of coal dust preventer for coalbed methane production - Google Patents
A kind of coal dust preventer for coalbed methane production Download PDFInfo
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- CN207554031U CN207554031U CN201721763057.2U CN201721763057U CN207554031U CN 207554031 U CN207554031 U CN 207554031U CN 201721763057 U CN201721763057 U CN 201721763057U CN 207554031 U CN207554031 U CN 207554031U
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- pipe
- helix tube
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- coal dust
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Abstract
The utility model provides a kind of coal dust preventer for coalbed methane production, relates generally to coal-bed gas exploitation field.A kind of coal dust preventer for coalbed methane production, including the first pipe being fixedly connected with the pump housing, the first pipe sets helix tube far from pump housing one end, setting filter plate in the helix tube, multiple grooves are set on the filter plate, setting dirt storage groove in the groove, it is block between the two neighboring groove, through-hole is set on the block, stent is set in the spiral pipe outer wall, the helix tube sets second pipe far from first pipe one end, and the second pipe sets filtering head far from helix tube one end.The beneficial effects of the utility model are：The utility model can be filtered the solid particle polluter in Produced Liquid, reduce the content of solid particle polluter in Produced Liquid, reduce the abrasion of water pump, improve the service life of the pump housing.
Description
Technical field
The utility model relates generally to coal-bed gas exploitation field, specifically a kind of coal dust preventer for coalbed methane production.
Background technology
Coal bed gas refers to be stored in coal seam using methane as main component, with absorption based on the matrix of coal particle surface, portion
Divide the hydrocarbon gas for being free in coal hole or being dissolved in coal seam water, be the associated minerals resource of coal, belong to Unconventional gas,
It is cleaning, high-grade energy and the industrial chemicals to emerge in the world in nearly ten or twenty year.Coal bed gas needs to use in recovery process
Water in suction pump discharge well, reduces the pressure in shaft bottom coal seam, realizes the exploitation of coal bed gas.But due in coal bed gas produced liquid
Often containing fine solid particles impurity such as coal dust, fine sands so that had the following problems during water pumping gas production：
After the solid impurities such as coal dust, fine sand in Produced Liquid enter suction pump, it is easy to form accumulation in suction pump, makes
It is blocked up into pump, the situation of holddown, suction pump is damaged, makes suction pump Fast Wearing, greatly reduces the service life of the pump housing,
Increase the whole cost of winning of coal bed gas.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of coal dust preventer for coalbed methane production, its energy
It is enough that solid particle polluter in Produced Liquid is filtered, reduce the content of solid particle polluter in Produced Liquid, reduce pump it is stifled and
The probability that holddown accident occurs, reduces the abrasion of water pump, improves the service life of the pump housing, reduce the cost of winning of coal bed gas, right
The popularization of Coal-seam Gas Recovery Technologies plays a positive role.
The utility model to achieve the above object, is achieved through the following technical solutions：
A kind of coal dust preventer for coalbed methane production, including the first pipe being fixedly connected with the pump housing, the first pipe
Helix tube is set far from pump housing one end, filter plate, the filter plate and one of helix tube far from axis are set in the helix tube
Side inner wall is fixedly connected, and multiple grooves are set on the filter plate, dirt storage groove, the two neighboring groove are set in the groove
Between for block, through-hole is set on the block, the through-hole connects with dirt storage groove, and the through-hole is close to dirt storage groove one end
Diameter is less than diameter of the through-hole far from dirt storage groove one end, sets stent in the spiral pipe outer wall, the helix tube is far from first
Pipeline one end sets second pipe, and the second pipe sets filtering head far from helix tube one end.
The diameter of the helix tube is more than the diameter of first pipe, and Taper Pipe is set between the first pipe and helix tube,
Diameter of the Taper Pipe close to first pipe one end is equal to the diameter of first pipe, and the Taper Pipe is equal to close to the diameter of helix tube
The diameter of helix tube, the first pipe and helix tube are detachably fixed with Taper Pipe and connect.
By setting water fender on the inner wall of axial ray side in the helix tube, multiple inclined plates are set on the water fender.
Threeway is set between the helix tube and second pipe, and the threeway includes the first connector, the second connector and third
Connector, the helix tube are connect with the first joint screw thread, and the second pipe is connect with the second joint screw thread, the third connector
Place is threaded with third pipeline, and valve is respectively provided on second connector and third connector.
Multiple inlet openings are set on the filtering head.
The prior art is compared, the beneficial effects of the utility model are：
1st, the filter plate in the utility model helix tube can be filtered the solid particle in Produced Liquid, and Produced Liquid exists
It is rotationally advancing in helix tube, the solid impurity in Produced Liquid runs to helix tube under the action of the centrifugal force since quality is larger
Outside is stopped by groove and dirt storage groove, plays the effect of the solid impurities such as filtering coal dust, fine sand, reduces and pump stifled and holddown accident
The probability of generation reduces the abrasion of water pump, improves the service life of the pump housing, reduces the cost of winning of coal bed gas, coal bed gas is opened
The popularization for adopting technology plays a positive role.
2nd, the diameter of the utility model helix tube is more than the diameter of first pipe, makes the extraction flow velocity in helix tube opposite
In first pipe smaller, the solid small particles impurity that relatively low flow velocity contributes in Produced Liquid is moved under the influence of centrifugal force
The purpose of filtering so as to be stopped by groove and dirt storage groove, is played in the outside of helix tube, and so as to reduce, pump is stifled and holddown accident is sent out
Raw probability reduces the abrasion of water pump, improves the service life of the pump housing.
3rd, it is set on water fender multiple oblique in the utility model helix tube by setting water fender on the inner wall of axial ray side
Plate, inclined plate play flow when drawing water certain blocking and guiding role, flow are made to be biased to filter plate flowing, so as to make extraction
Impurity in liquid is concentrated to filter plate direction, improves the filter effect of filter plate, reduces the stifled probability occurred with holddown accident of pump,
Reduce the abrasion of water pump, improve the service life of the pump housing.
4th, the utility model helix tube is connected by threeway with second pipe and third pipeline, and third pipeline is anti-as water pump
Turn to rinse outlet pipe during helix tube, helix tube is allow periodically to clear up, ensures the filter effect of helix tube.
The 5th, multiple inlet openings are set on the utility model filtering head, the solid impurity of larger particles is played in multiple inlet openings
Filter effect prevents line clogging.
Description of the drawings
Attached drawing 1 is the utility model use state reference chart；
Attached drawing 2 is the utility model helix tube internal structure schematic diagram；
Attached drawing 3 is the utility model A portions partial enlargement structural representation.
Label shown in attached drawing：1st, first pipe；2nd, helix tube；3rd, filter plate；4th, groove；5th, dirt storage groove；6th, block；7、
Through-hole；8th, stent；9th, second pipe；10th, filtering head；11st, Taper Pipe；12nd, water fender；13rd, inclined plate；14th, threeway；15th, it first connects
Head；16th, the second connector；17th, third connector；18th, third pipeline；19th, valve；20th, inlet opening.
Specific embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, having read the utility model instruction
Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms are equally fallen
In range defined herein.
As shown in Figs. 1-3, a kind of coal dust preventer for coalbed methane production described in the utility model connects including being fixed with the pump housing
The first pipe 1 connect, the first pipe 1 set helix tube 2 far from pump housing one end, and the helix tube is as coal dust, fine sand etc.
The filtering place of solid impurity, the interior setting filter plate 3 of the helix tube 2, the filter plate 3 and one of helix tube 2 far from axis
Side inner wall is fixedly connected, and multiple grooves 4 are set on the filter plate 3, and the groove is uniformly distributed on filter plate, the groove
Setting dirt storage groove 5, memory space of the dirt storage groove as impurity in 4.The filter plate is by groove and dirt storage groove to solid
The barrier effect of granule foreign, it is possible to reduce the content of solid particle polluter in Produced Liquid reduces pump and blocks up and the generation of holddown accident
Probability, reduce the abrasion of water pump, improve the service life of the pump housing.It is block 6 between the two neighboring groove 4, the gear
Through-hole 7 is set on block 6, and the through-hole 7 connects with dirt storage groove 5, and diameter of the through-hole 7 close to 5 one end of dirt storage groove is less than logical
Diameter of the hole 7 far from 5 one end of dirt storage groove, when water pump reversion or first pipe and pumping line reversal connection flushing helix tube,
Flow flows into dirt storage groove by 7 major diameter one end of through-hole, and the solid impurities such as coal dust, the fine sand in dirt storage groove are rinsed.It is described
Stent 8 is set on 2 outer wall of helix tube, and the stent is supported helix tube, helix tube is made to be stably fixed on ground, institute
It states helix tube 2 and second pipe 9 is set far from 1 one end of first pipe, the second pipe is stretched into drilling well, the second pipe 9
Filtering head 10 is set far from 2 one end of helix tube, the filtering head is in the liquid level in drilling well hereinafter, being carried out to down-hole liquid preliminary
Filtering.The utility model can reduce the cost of winning of coal bed gas, and positive work is played to the popularization of Coal-seam Gas Recovery Technologies
With.
In order to reduce the abrasion of water pump, the service life of the pump housing is improved, the diameter of the helix tube 2 is more than first pipe 1
Diameter, making the extraction flow velocity in helix tube, relatively low flow velocity contributes to small in Produced Liquid relative to first pipe smaller
Granular solids impurity is moved to the outside of helix tube under the influence of centrifugal force, is set between the first pipe 1 and helix tube 2
Taper Pipe 11, for the Taper Pipe as the transition between first pipe and helix tube, the Taper Pipe 11 is straight close to 1 one end of first pipe
Diameter is equal to the diameter of first pipe 1, and the Taper Pipe 11 is equal to the diameter of helix tube 2, first pipe close to the diameter of helix tube 2
Road 1 and helix tube 2 are detachably fixed with Taper Pipe 11 to be connect, and the relative reduction of extraction flow velocity can imitate filtering in helix tube
Fruit is more preferable, reduces the stifled probability occurred with holddown accident of pump, reduces the abrasion of water pump, improve the service life of the pump housing.
In order to improve the filter effect of filter plate, leaned in the helix tube 2 on the inner wall of axial ray side and water fender is set
12, multiple inclined plates 13, the water (flow) direction when inclined plate is towards pumping operation are set on the water fender 12, the inclined plate is being taken out
Certain blocking and guiding role are played during water to flow, flow is made to be biased to filter plate flowing, so as to make the impurity in Produced Liquid
It is concentrated to filter plate direction, improves the filter effect of filter plate, reduced the stifled probability occurred with holddown accident of pump, reduce water pump
Abrasion improves the service life of the pump housing.
Further, threeway 14 is set between the helix tube 2 and second pipe 9, and the threeway 14 includes the first connector
15th, the second connector 16 and third connector 17, the helix tube 2 are threadedly coupled with the first connector 15, the second pipe 9 and second
Connector 16 is threadedly coupled, and third pipeline 18, second connector 16 and third connector are threaded at the third connector 17
Valve 19 is respectively provided on 17.Outlet pipe when the third pipeline is as water pump reverse developing helix tube, determines helix tube
Shi Qingli ensures the filter effect of helix tube.
Further, multiple inlet openings 20 are set on the filtering head 10, and multiple inlet openings are to larger particles
Solid impurity plays filter effect, prevents line clogging.
Embodiment：
When the utility model is used, second pipe 9 is stretched into drilling well, make the filtering head 10 of 9 one end of second pipe
Suction pump is rotated forward in liquid level hereinafter, opening suction pump, the water under drilling well enters second pipe 9 by filtering head 10, by spiral
Pipe 2 and first pipe 1 are discharged by suction pump, and helix tube 2 is fixed on by stent 8 on bottom surface, and Produced Liquid passes through in helix tube 2
When, the solid particle polluters such as coal dust, fine sand in Produced Liquid were gradually moved under the influence of centrifugal force since quality is larger
3 side of filter plate, groove 4 and dirt storage groove 5 on filter plate 3 carry out blocking storage to coal dust and fine sand, reach certain filtering effect
Fruit is extracting Produced Liquid after a certain period of time, makes suction pump reversing or the outlet pipe of reversal connection first pipe and water pump by switch
Road is rinsed helix tube 2, and flow pours dirt storage groove 5 by 7 major diameter one end of through-hole on block 6, to dirt storage groove 5 and recessed
Solid impurity in slot 4 is rinsed, and the solid particle polluters such as coal dust and fine sand is made to go out helix tube along flow, reaches cleaning
Purpose.
Embodiment：
A kind of coal dust preventer for coalbed methane production, including the first pipe 1 being fixedly connected with the pump housing, the first pipe
Metal material, which may be used, can also use vulcanie material, and the present embodiment uses vulcanie material, the first pipe
Metal joint be threadedly coupled with pump housing water inlet pipe, the first pipe 1 far from pump housing one end set helix tube 2, the spiral
Pipe uses PVC plastic material, and the helix tube is spliced using multiple bend pipes by union nut, the helix tube 2 it is straight
Diameter is more than the diameter of first pipe 1, Taper Pipe 11 is set between the first pipe 1 and helix tube 2, the Taper Pipe 11 is close to first
The diameter of 1 one end of pipeline is equal to the diameter of first pipe 1, and the Taper Pipe 11 is equal to the straight of helix tube 2 close to the diameter of helix tube 2
Diameter, the first pipe 1 and helix tube 2 can be threadedly coupled with Taper Pipe 11 flange and to be bolted, the present embodiment
Middle use is threadedly coupled.Setting filter plate 3 in the helix tube 2, the filter plate 3 and the multiple bend pipes for forming helix tube 2 are remote
The inner wall of off-axis line side is cementing or is bolted, and the present embodiment is connected by screw bolts, and is covered between the bolt and helix tube
Equipped with rubber washer.Multiple grooves 4 on the filter plate 3 are set, dirt storage groove 5, the dirt storage groove direction are set in the groove 4
The direction of flow when water pump extracts Produced Liquid is block 6 between the two neighboring groove 4, through-hole 7 is set on the block 6,
The through-hole 7 connects with dirt storage groove 5, and diameter of the through-hole 7 close to 5 one end of dirt storage groove is less than through-hole 7 far from dirt storage groove 5 one
The diameter at end, by setting water fender 12, the water fender and composition helix tube on the inner wall of axial ray side in the helix tube 2
2 multiple bend pipes are cementing or are bolted, and the present embodiment is connected by screw bolts, integrally formed with multiple on the water fender 12
Inclined plate 13, the inclined plate towards water pump extract Produced Liquid when flow direction.Stent 8 is set on 2 outer wall of helix tube, it is described
Using cranse cuff in spiral pipe outer wall, the frame bottom is fixedly connected with the ground cradle top by expansion bolt.It is described
Helix tube 2 sets second pipe 9 far from 1 one end of first pipe, and the second pipe uses vulcanie material, first pipe
Road and second pipe both ends are respectively provided with female metal connector.Three are set between the helix tube 2 and second pipe 9
Logical 14, the threeway 14 includes the first connector 15, the second connector 16 and third connector 17,2 and first connector 15 of helix tube
It is threadedly coupled, the second pipe 9 is threadedly coupled with the second connector 16, and third pipeline is threaded at the third connector 17
18, valve 19 is threaded on second connector 16 and third connector 17.The second pipe 9 is far from helix tube 2 one
End sets filtering head 10, sets multiple inlet openings 20 on the filtering head 10, multiple inlet openings are uniformly divided on filtering head outer wall
Cloth, a diameter of 1.2 centimetres of inlet opening described in the present embodiment.The advantageous effect of the present embodiment is：The present embodiment can be to adopting
The solid particle polluter gone out in liquid is filtered, and reduces the content of solid particle polluter in Produced Liquid, is reduced pump and is blocked up and holddown thing
Therefore the probability occurred, it is easy to operate easy to clean, the abrasion of water pump can be effectively reduced, improves the service life of the pump housing, is reduced
The cost of winning of coal bed gas plays a positive role to the popularization of Coal-seam Gas Recovery Technologies.
Claims (5)
1. a kind of coal dust preventer for coalbed methane production, including the first pipe (1) being fixedly connected with the pump housing, it is characterized in that：Institute
First pipe (1) is stated far from pump housing one end setting helix tube (2), the interior setting filter plate (3) of the helix tube (2), the filtering
Plate (3) is fixedly connected with side inner wall of the helix tube (2) far from axis, and multiple grooves (4), institute are set on the filter plate (3)
Setting dirt storage groove (5) in groove (4) is stated, is block (6) between the two neighboring groove (4), is set on the block (6) logical
Hole (7), the through-hole (7) connect with dirt storage groove (5), and diameter of the through-hole (7) close to dirt storage groove (5) one end is less than through-hole
(7) diameter far from dirt storage groove (5) one end, setting stent (8) on helix tube (2) outer wall, the helix tube (2) is far from the
One pipeline (1) one end setting second pipe (9), the second pipe (9) is far from helix tube (2) one end setting filtering head (10).
2. a kind of coal dust preventer for coalbed methane production according to claim 1, it is characterized in that：The helix tube (2)
Diameter is more than the diameter of first pipe (1), and Taper Pipe (11), the Taper Pipe are set between the first pipe (1) and helix tube (2)
(11) it is equal to the diameter of first pipe (1) close to the diameter of first pipe (1) one end, the Taper Pipe (11) is close to helix tube (2)
Diameter be equal to the diameter of helix tube (2), the first pipe (1) and helix tube (2) with Taper Pipe (11) company of being detachably fixed
It connects.
3. a kind of coal dust preventer for coalbed methane production according to claim 1, it is characterized in that：In the helix tube (2)
By setting water fender (12) on the inner wall of axial ray side, multiple inclined plates (13) are set on the water fender (12).
4. a kind of coal dust preventer for coalbed methane production according to claim 1, it is characterized in that：The helix tube (2) with
Threeway (14) is set between second pipe (9), and the threeway (14) connects including the first connector (15), the second connector (16) and third
Head (17), the helix tube (2) are threadedly coupled with the first connector (15), the second pipe (9) and the second connector (16) screw thread
It connects, third pipeline (18), second connector (16) and third connector (17) is threaded at the third connector (17)
On be respectively provided with valve (19).
5. a kind of coal dust preventer for coalbed methane production according to claim 1, it is characterized in that：On the filtering head (10)
Multiple inlet openings (20) are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763057.2U CN207554031U (en) | 2017-12-15 | 2017-12-15 | A kind of coal dust preventer for coalbed methane production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763057.2U CN207554031U (en) | 2017-12-15 | 2017-12-15 | A kind of coal dust preventer for coalbed methane production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554031U true CN207554031U (en) | 2018-06-29 |
Family
ID=62663475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721763057.2U Expired - Fee Related CN207554031U (en) | 2017-12-15 | 2017-12-15 | A kind of coal dust preventer for coalbed methane production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554031U (en) |
-
2017
- 2017-12-15 CN CN201721763057.2U patent/CN207554031U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20181215 |