CN208040449U - A kind of mine gas extraction system suction side automatic draining structure - Google Patents
A kind of mine gas extraction system suction side automatic draining structure Download PDFInfo
- Publication number
- CN208040449U CN208040449U CN201820502042.9U CN201820502042U CN208040449U CN 208040449 U CN208040449 U CN 208040449U CN 201820502042 U CN201820502042 U CN 201820502042U CN 208040449 U CN208040449 U CN 208040449U
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- China
- Prior art keywords
- water receiver
- water
- osculum
- discharge tube
- extraction
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Abstract
The utility model discloses a kind of mine gas extraction system suction side automatic draining structure, can be effectively applicable to most extraction places, and cost is relatively low, management is convenient, and the effect that discharges water is good, can effectively reduce the artificial workload that discharges water；In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of mine gas extraction system suction side automatic draining structure, including gas pumping pipeline and extraction pump, the extraction pump is arranged in gas pumping pipeline, the gas pumping pipeline of the extraction pump side is negative pressure side ducts, the downside of the negative pressure side ducts is at least provided with an osculum, it is provided with water receiver below the osculum, it is connected to by discharge tube between the osculum and water receiver, and the lower end of the discharge tube is inserted under the liquid level of water receiver, the top of the water receiver is provided with spout hole, the lowest side of the spout hole is higher than the lower face of discharge tube；The utility model can be widely applied to gas pumping field.
Description
Technical field
A kind of mine gas extraction system suction side automatic draining structure of the utility model belongs to gas pumping technology neck
Domain.
Background technology
Coal mine gas drainage is to solve mine gas to pour out, eliminate the main means of Coal Seam Outburst Hazard, due to
Overwhelming majority mine uses water deslagging construction technology extraction borehole at present, and there be certain moisture, part mine in coal seam itself in addition
Well seam inclination is smaller, this coal bed drilling is in that horizontal or negative incidence is arranged substantially, and after drilling construction, phase has been accumulated in hole
When the ponding of volume, during drilling construction finishes implementation extraction, part water is under the action of extraction negative pressure along drainage tube
Road finally enters extraction pump.Local pipeline effective cross-section can be caused obviously to become smaller if gas pipeline water is big, or even block and take out
Pipeline is adopted, extracting result is seriously affected, reduces the operational efficiency of entire extraction system, so water blocking is asked during live extraction
Topic is extremely prominent.
Negative pressure automatic drainage device is the indispensable automatic bleeder of mine gas extraction system, is suitable for gas pumping
With the automatic draining using the supervisor of system, main pipe, branch pipe and drilling.Though negative pressure automatic drainage device type is more at present, big
There is a problem of that structure is excessively complicated, subsurface environment applicability is poor, the effect that just starts to discharge water is preferable, after a period of use more
It is then unable to automatic draining, professional is needed to carry out maintenance processing.Not only early period, disposably input was higher, in subsequent use mistake
Maintenance cost is high in journey, therefore, discharges water technique from extraction system and method is studied, form efficient gas pumping
The system method of discharging water is of great significance.
Utility model content
The utility model overcomes the shortcomings of the prior art, provide a kind of mine gas extraction system suction side from
Dynamic water distribution structure, can be effectively applicable to most extraction places, cost is relatively low, management is convenient, and the effect that discharges water is good, can have
Effect reduces the workload that manually discharges water.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of mine gas extraction system
Suction side automatic draining structure, including gas pumping pipeline and extraction pump, the extraction pump are arranged in gas pumping pipeline, institute
The gas pumping pipeline for stating extraction pump side is negative pressure side ducts, and the downside of the negative pressure side ducts is drained at least provided with one
Hole is provided with water receiver below the osculum, is connected to by discharge tube between the osculum and water receiver, and described puts
The lower end of water pipe is inserted under the liquid level of water receiver, and the top of the water receiver is provided with spout hole, the lowest side of the spout hole
Higher than the lower face of discharge tube.
The discharge tube is hose.
The water receiver is located at the underface of osculum, and the discharge tube is vertically arranged, and water receiver is connected to osculum.
The utility model has an advantageous effect in that compared with prior art：In the utility model in gas pumping pipeline
When flow is by discharge tube and the interface of gas pumping pipeline, it is affected by gravity nature and flows into discharge tube, with discharge tube stream
Enter water receiver, water receiver water gradually increases, and when liquid level rises to spout hole, is naturally drained from spout hole, the discharge tube
The negative pressure of extraction system is depended on away from the height difference H of lower part water receiver spout hole with the interface of gas pumping pipeline, this practicality is newly
The method of type discharge water it is at low cost, discharge water efficient, can effectively realize automatic draining.And the condition of discharging water can be according to practical need
It is adjusted, disclosure satisfy that the needs that discharge water in extraction system suction side overwhelming majority place.
Description of the drawings
The utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1 it is gas pumping pipeline, 2 be extraction pump, 3 be osculum, 4 be water receiver, 5 be discharge tube, 6 is overflow
Hole.
Specific implementation mode
As shown in Figure 1, a kind of mine gas extraction system suction side automatic draining structure of the utility model, including gas are taken out
Pipeline 1 and extraction pump 2 are adopted, the extraction pump 2 is arranged in gas pumping pipeline 1, the gas pumping pipe of 2 side of the extraction pump
Road 1 is negative pressure side ducts, and at least provided with an osculum 3, the lower section of the osculum 3 is set for the downside of the negative pressure side ducts
It is equipped with water receiver 4, is connected to by discharge tube 5 between the osculum 3 and water receiver 4, and storage is inserted into the lower end of the discharge tube 5
Under the liquid level of hydrophone 4, the top of the water receiver 4 is provided with spout hole 6, and the lowest side of the spout hole 6 is higher than discharge tube 5
Lower face.
The discharge tube 5 is hose.
The water receiver 4 is located at the underface of osculum 3, and the discharge tube 5 is vertically arranged, by water receiver 4 and osculum 3
Connection.
The utility model is related to a kind of methods that discharges water of mine gas extraction system suction side automatic draining structure, by following
Step is implemented：
The first step：Statistical analysis need to discharge water the negative pressure side ducts maximum extraction negative pressure △ P of place gas pumping pipeline 1, really
Surely overcome liquid level height difference H needed for extraction negative pressure；Wherein ρ is the density of water, 1t/m3；G is acceleration of gravity,
9.80m/s2；
Second step：It discharges water in mine gas extraction system and discharge tube 5 is installed in the negative pressure side ducts of place；
Third walks：Water receiver 4 is installed at low-lying place, inside holds certain volume clear water, and overflow is dug in 4 side of water receiver
Hole 6；
4th step：5 lower interface of discharge tube is placed under the liquid level of low-lying place's water receiver 4, ensures 6 bottom of spout hole away from putting
Water pipe 5 and the height of the interface of gas pumping pipeline 1 are more than H；
5th step：During normal extraction, the flow in gas pumping pipeline 1 is by discharge tube 5 and gas pumping pipeline 1
When interface, it is affected by gravity nature and flows into discharge tube 5, with 5 inflow water collector 4 of discharge tube, 4 water of water receiver gradually increases
It is more, when liquid level rises to spout hole 6, naturally drained from spout hole 6, to ensure that 4 internal liquid level height of water receiver is low always
In spout hole 6.
In the utility model, the interface of the discharge tube 5 and gas pumping pipeline 1 is away from the height of lower part water receiver spout hole
Poor H depends on the negative pressure of extraction system, and underground lower negative pressure connects draining borehole negative pressure and is usually no more than 10kPa, and high negative pressure connects draining borehole
Negative pressure is usually no more than 20kPa, and underground master, dry, bye-pass negative pressure are usually no more than 30kPa；The operation negative pressure of extraction pump is general
No more than 40kPa, it is corresponding needed for height difference H be respectively 1,2,3,4m, can be easier to meet in underground and ground.Especially for lane
The regional gas pumpings such as road inclination is larger, high-order drill site, discharge water and work well.Part Special section can not be expired due to condition limitation
When sufficient height difference H, it can be discharged water by suitably reducing extraction system operation negative pressure to realize.
In the utility model, the container of a constant volume had both can be used in water receiver, can also excavate the underground space of certain volume,
Container volume depends on the cinder content in extraction system.When cinder amount is less in extraction system, simple light it is spacious
Mouth metal bucket can both meet use.In the utility model, the method that discharges water both had been applicable to discharging water for single (group) extraction borehole,
It is also applied for discharging water for extraction master, dry, bye-pass and ground extraction pump, applicable surface is wider.
The method of the utility model discharge water it is at low cost, discharge water efficient, can effectively realize automatic draining.And discharge water item
Part can be adjusted according to actual needs, disclosure satisfy that the needs that discharge water in extraction system suction side overwhelming majority place.
The utility model is explained in detail above in conjunction with embodiment, but the utility model is not limited to above-mentioned implementation
Example, within the knowledge of a person skilled in the art, can also be in the premise for not departing from the utility model aims
It is lower that various changes can be made.
Claims (3)
1. a kind of mine gas extraction system suction side automatic draining structure, which is characterized in that including gas pumping pipeline (1) and
Extraction pump (2), the extraction pump (2) are arranged in gas pumping pipeline (1), the gas pumping pipe of extraction pump (2) side
Road (1) is negative pressure side ducts, the downsides of the negative pressure side ducts at least provided with an osculum (3), the osculum (3)
Lower section is provided with water receiver (4), is connected to by discharge tube (5) between the osculum (3) and water receiver (4), and described discharge water
The lower end for managing (5) is inserted under the liquid level of water receiver (4), and the top of the water receiver (4) is provided with spout hole (6), the overflow
The lowest side in hole (6) is higher than the lower face of discharge tube (5).
2. a kind of mine gas extraction system suction side automatic draining structure according to claim 1, which is characterized in that institute
It is hose to state discharge tube (5).
3. a kind of mine gas extraction system suction side automatic draining structure according to claim 1, which is characterized in that institute
The underface that water receiver (4) is located at osculum (3) is stated, the discharge tube (5) is vertically arranged, by water receiver (4) and osculum (3)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820502042.9U CN208040449U (en) | 2018-04-10 | 2018-04-10 | A kind of mine gas extraction system suction side automatic draining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820502042.9U CN208040449U (en) | 2018-04-10 | 2018-04-10 | A kind of mine gas extraction system suction side automatic draining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040449U true CN208040449U (en) | 2018-11-02 |
Family
ID=63944298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820502042.9U Expired - Fee Related CN208040449U (en) | 2018-04-10 | 2018-04-10 | A kind of mine gas extraction system suction side automatic draining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316971A (en) * | 2018-04-10 | 2018-07-24 | 山西霍尔辛赫煤业有限责任公司 | A kind of mine gas extraction system suction side automatic draining structure and method |
-
2018
- 2018-04-10 CN CN201820502042.9U patent/CN208040449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316971A (en) * | 2018-04-10 | 2018-07-24 | 山西霍尔辛赫煤业有限责任公司 | A kind of mine gas extraction system suction side automatic draining structure and method |
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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: 20181102 Termination date: 20190410 |