CN202810905U - Coupling device of gas extraction system and gas extraction system - Google Patents
Coupling device of gas extraction system and gas extraction system Download PDFInfo
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- CN202810905U CN202810905U CN 201220476428 CN201220476428U CN202810905U CN 202810905 U CN202810905 U CN 202810905U CN 201220476428 CN201220476428 CN 201220476428 CN 201220476428 U CN201220476428 U CN 201220476428U CN 202810905 U CN202810905 U CN 202810905U
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- coupling device
- drainage tube
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Abstract
The utility model provides a coupling device of a gas extraction system and the gas extraction system. The coupling device of the gas extraction system is connected between a gas-water separator of a mobile extraction system and a permanent extraction system on the ground and comprises a coupling container with an accommodating space and also with openings at the two ends; the opening at one end of the coupling container is connected with a first extraction pipe in a sealing way, the first extraction pipe is connected with the mobile extraction system, the opening at the other end of the coupling container is connected with a second extraction pipe in a sealing way, and the second extraction pipe is connected with the permanent extraction system on the ground; the cross-sectional area of the accommodating space of the coupling container is larger than the cross-sectional areas of the first extraction pipe and the second extraction pipe; and the coupling container is provided with a water discharging port used for discharging water separated out from the coupling container. Since the coupling device is connected between the mobile extraction system and the permanent extraction system on the ground and water in gas discharged by the mobile extraction system can be separated, and the gas in the mobile extraction system can be prevented from carrying water into the permanent extraction system on the ground.
Description
Technical field
The utility model relates to the gas pumping technology, espespecially a kind of coupling device of gas drainage system and gas drainage system.
Background technology
In coal mine, for guaranteeing downhole safety production, need to administer discharging to the gas in the mine, wherein mash gas extraction is the Main Means of gas control.Existing gas drainage system is divided into ground permanent extraction system and underground moving extraction system, is provided with permanent extraction pump in the permanent extraction in the ground system, is provided with mobile extraction pump in the underground moving extraction system, respectively methane gas is carried out extraction.
At present, the permanent extraction in underground moving extraction system and ground system is independently, and existing mobile extraction system is discharged into the gas of extracting out in the return aircourse that arranges in the mine usually, thereby utilizes the return aircourse that gas is discharged mine.But, adopt the return aircourse to carry out in the drawing-off gas process, if because the reasons such as power failure cause mine ventilation system unstable, perhaps gas emission is larger in the extraction scope of mobile extraction system, the gas exceeding limit in the mine then, mobile extraction system with extraction to drawing-off gas in the return aircourse, cause the gas density in the return aircourse larger, potential safety hazard very easily appears; And, the gas that extracts is discharged in the return aircourse, the gas of extraction is not used, and causes the gas waste.Therefore, for the gas that solves in the mobile extraction system is discharged into the problem that the return aircourse exists, prior art has also proposed mobile extraction system is directly incorporated into the scheme of ground permanent extraction system, be about to the gas that mobile extraction system extracts out and enter ground permanent extraction system, thereby the gas that utilizes ground permanent extraction system that mobile extraction system is extracted out is reliably discharged.
But, when directly incorporating mobile extraction system into ground permanent extraction system, owing to be provided with moisture trap in the mobile extraction system, gas is brought the water in the moisture trap into ground permanent extraction system easily when entering ground permanent extraction system, thereby affect extracting result, and increase the weight of the burden of permanent extraction pump in the permanent extraction system of ground.
The utility model content
The utility model provides a kind of coupling device and gas drainage system of gas drainage system, can overcome directly when incorporating mobile extraction system into ground permanent extraction system the problem of easily bringing the water in the moisture separator into ground permanent extraction system.
The utility model provides a kind of coupling device of gas drainage system, comprises that one has the coupling container of accommodation space and both ends open;
One end opening of described coupling container is sealedly connected with the first drainage tube that is connected with mobile extraction system, and the other end opening of described coupling container is sealedly connected with the second drainage tube that is connected with the permanent extraction in ground system;
The sectional area of the accommodation space of described coupling container is greater than the sectional area of described the first drainage tube and the second drainage tube;
Be provided with outfall on the described coupling container.
In the coupling device of aforesaid gas drainage system, be provided with a catch basin in the described coupling container, described outfall is arranged on described catch basin place.
In the coupling device of aforesaid gas drainage system, described outfall place is provided with gate valve.
In the coupling device of aforesaid gas drainage system, described coupling container is a steel pipe.
In the coupling device of aforesaid gas drainage system, an end of described steel pipe and described the second drainage tube are welded to connect, the inside of described steel pipe, and the position of the close other end is provided with cushion block, and described cushion block is in order to fixing described the first drainage tube.
The utility model also provides a kind of gas drainage system, comprises permanent extraction system of mobile extraction system and ground, is provided with moisture trap in the described mobile extraction system;
Be connected by coupling device between described mobile extraction system and the permanent extraction in the ground system;
The coupling device of the gas drainage system that adopts above-mentioned the utility model and provide is provided described coupling device, the first drainage tube in the described coupling device is connected with described moisture trap, and the second drainage tube in the described coupling device is connected with the pipeline of the permanent extraction in described ground system.
In the aforesaid gas drainage system, be provided with the anti feedback device that prevents gas backstreaming between described coupling device and the described moisture trap.
In the aforesaid gas drainage system, described anti feedback device comprises water storage device, stores liquid in the described water storage device, in the described water storage device, be positioned at described liquid above be provided with the double-edged fine-toothed comb that filters foreign material;
Be provided with air inlet port and gas outlet on the described water storage device, described gas outlet connects described the first drainage tube, and described air inlet port connects the stack of described mobile extraction system, and described stack extend into described liquid internal.
In the aforesaid gas drainage system, be provided with tee junction between described moisture trap and the described anti feedback device;
The pipeline that the first end of described tee junction connects is connected with moisture trap in the described mobile extraction system;
The pipeline that the second end of described tee junction connects is connected with described anti feedback device, and the second end of described tee junction is provided with the first control gate valve;
The pipeline that the 3rd end of described tee junction connects is arranged in the return aircourse, and the 3rd end of described tee junction is provided with the second control gate valve.
In the aforesaid gas drainage system, be provided with vacuum table at described the second drainage tube.
The coupling device of the gas drainage system that the utility model provides and gas drainage system, by between permanent extraction system of mobile extraction system and ground, accessing coupling device, moisture in the gas of discharging from mobile extraction system can be separated, prevent that the moisture of taking out of in the moisture trap of gas from mobile extraction system from entering into ground permanent extraction system, can effectively guarantee the reliability service of ground permanent extraction system.
Description of drawings
Fig. 1 is the overall structure schematic diagram of gas drainage system among the utility model embodiment;
Fig. 2 is the structural representation of the coupling device of gas drainage system among the utility model embodiment;
Fig. 3 is the enlarged drawing at A place among Fig. 1.
Description of reference numerals:
10, mobile extraction system; 20: the permanent extraction in ground system;
1: coupling device; 101: the coupling container;
102: the first drainage tubes; 103: the second drainage tubes;
104: catch basin; 105: outfall;
106: gate valve; 107: cushion block;
2: the anti feedback device; 201: water storage device;
202: double-edged fine-toothed comb; 203: air inlet port;
204: the gas outlet; 205: water inlet pipe;
206: draining slagging-off pipe; 3: moisture trap;
4: mobile extraction pump; 5: motor;
6: tee junction; 7: the first control gate valves;
8: the second control gate valves; 9: vacuum table.
The specific embodiment
Fig. 1 is the overall structure schematic diagram of gas drainage system among the utility model embodiment, and as shown in Figure 1, gas drainage system comprises mobile extraction system 10 and the permanent extraction in ground system 20, and mobile extraction system 10 is linked in the ground permanent extraction system 20.In the mobile extraction system 10, the gas that motor 5 can drive in 4 pairs of mines of mobile extraction pump carries out extraction; Simultaneously, for carrying the dirt such as coal dust in the methane gas of avoiding mobile extraction system 10 to discharge, exhaust opening at mobile extraction pump 4, also be connected with moisture trap 3, the coal dust of the methane gas extracted out is separated being used for, so that the methane gas of discharging from moisture trap 3 does not contain the dirts such as coal dust, can avoid coal dust to enter into the discharge pipe of gas, cause pipe blocking.
In the present embodiment, for preventing from moisture trap 3 isolated methane gas moisture being taken to the ground permanent extraction system 20 in the mobile extraction system 10, be connected with coupling device 1 between mobile extraction system 10 and the permanent extraction in the ground system 20, with for separating of the moisture in the methane gas.
Particularly, as depicted in figs. 1 and 2, this coupling device 1 comprises that one has the coupling container 101 of accommodation space and both ends open, one end opening of this coupling container 101 is sealedly connected with the first drainage tube 102 that is connected with mobile extraction system 10, the other end opening of this coupling container 101 is sealedly connected with the second drainage tube 103 that is connected with the permanent extraction in ground system 20, and the sectional area of the accommodation space of coupling container 101 is greater than the sectional area of the first drainage tube 102 and the second drainage tube 103; Simultaneously, on coupling container 101, also be provided with outfall 105, be used for the moisture that separates is discharged to outside the coupling device 1 by outfall 105.
In the present embodiment, the methane gas of discharging from mobile extraction system 10 is before entering ground permanent extraction system 20, at first can pass through coupling device 1, because the sectional area of the accommodation space of coupling container 101 is greater than the sectional area of the first drainage tube 102 and the second drainage tube 103, enter the methane gas of coupling container 101 by the first drainage tube 102 from mobile extraction system 10, will be entered into by the less flowing space the larger flowing space, gas flow rates will be in the 101 interior reductions of coupling container, and gas flow direction can get muddled, gas can touch by sufficient wall with coupling container 101, touch in the process at the wall of gas with coupling container 101, because the wall temperature is lower, will be so that the moisture that carries in the methane gas that touches with wall form water droplet at wall, thus the moisture that contains in the gas can be separated in coupling container 101.Therefore, the methane gas of discharging from mobile extraction system 10 is through behind the coupling device 1, and moisture wherein is in coupling device 1 interior separation, do not have moisture or moisture less so that enter the methane gas of ground permanent extraction system 20.
In the present embodiment, the accommodation space of coupling container 101 can be adjusted according to mobile pump capacity and permanent extraction system rate of air sucked in required, and applicability is strong.Mobile pump capacity and permanent extraction system rate of air sucked in required are larger, and the accommodation space of needed coupling container 101 is just larger, to guarantee the aqueous vapor separating effect.
In the present embodiment, as shown in Figure 2, be provided with a catch basin 104 in coupling container 101, outfall 105 can be arranged on this catch basin 104, and also is provided with gate valve 106 at outfall 105 places.Like this, the moisture that separates in the coupling container 101 will be put aside first in catch basin 102, and reaches certain position at water level, can open gate valve 106, ejects by outfall 105 with the water with storage.
In the present embodiment, optional, hold full untimely discharge for preventing the water in the catch basin 104, can automatic water trap be set at catch basin 104, automatic water trap detects water level and reaches certain position, automatically opens gate valve 106, water is discharged, and then closing gate valve 106.
In the present embodiment, can select a steel pipe as coupling container 101, the diameter of this steel pipe is greater than the diameter of the first drainage tube 102 and the second drainage tube 103, the length of steel pipe designs according to capacity, one end of steel pipe and the second drainage tube 103 are welded to connect, and in the inside of steel pipe, the position of the close other end is provided with cushion block 107, cushion block 107 can be welded on the inside of steel pipe, and this cushion block 107 can be in order to fix the first drainage tube 102.
The coupling device 1 of the gas drainage system that the utility model embodiment provides can separate the moisture in the gas, prevents that the gas in the mobile extraction system from driving moisture in the permanent extraction system of ground.
In the present embodiment, as shown in Figure 1, between coupling device 1 and described moisture trap 3, anti feedback device 2 is set, is used for preventing gas backstreaming.It is in order to prevent in the ground permanent extraction system 20 out-of-work situations that anti feedback device 2 is set herein, gas in the first drainage tube 102 stops to flow in permanent extraction pipeline, or the air pressure in the permanent extraction pipeline is excessive, gas in the first drainage tube 102 turns back in the pipeline of mobile extraction system, if the methane gas that returns in the pipeline of mobile extraction system 10 is discharged in the return aircourse, then can cause the methane gas concentration in the return aircourse large, cause safety problem.So anti feedback device 2 is set herein, can prevents gas backstreaming.
Particularly, as shown in Figure 3, anti feedback device 2 can comprise water storage device 201, stores liquid in this water storage device 201, in water storage device 201, be positioned at liquid above be provided with double-edged fine-toothed comb 202, be used for to filter the foreign material in the methane gas.Be provided with air inlet port 203 and gas outlet 204 on the water storage device 201, gas outlet 204 connects the first drainage tube 102, the stack of the mobile extraction of air inlet port 203 connections system, and stack extend into liquid internal.
In the present embodiment, the gas of discharging in the mobile extraction system 10 enters into water storage device 201 from air inlet port 203, liquid in the water storage device 201 generally selects water as medium, methane gas is water insoluble, 204 enter into the first drainage tube 102 from the gas outlet, if the permanent extraction in ground system 20 quits work, gas in the first drainage tube 102 can not return by the water in the water storage device 201 air inlet port 203, and turn back to the pipeline of mobile extraction system 10 from air inlet port 203, so anti feedback device 2 has played the effect that prevents gas backstreaming.
In the present embodiment, also be provided with water inlet pipe 205 and draining slagging-off pipe 206 in the bottom of water storage device 201, and be respectively arranged with gate valve, draining slagging-off pipe 206 is used for sewage and the coal dust cinder of water storage device 201 are excluded, and water inlet pipe 205 is used for more renewing water.
In the present embodiment, as shown in Figure 1, between moisture trap 3 and anti feedback device 2, be provided with tee junction 6, the pipeline that the first end of tee junction 6 connects is connected with moisture trap 3 in the mobile extraction system 10, the pipeline that the second end of tee junction 6 connects is connected with anti feedback device 2, the pipeline of i.e. the second end connection leads in the ground permanent extraction system 20, and the second end is provided with the first control gate valve 7.The pipeline that the 3rd end of tee junction 6 connects is arranged in the return aircourse, and the 3rd end is provided with the second control gate valve 8.The first control gate valve 7 and the second control gate valve 8 are used for the control gas flow.
In the present embodiment, the second drainage tube 103 in access ground permanent extraction system is provided with vacuum table 9, whether size and negative pressure that vacuum table 9 can clearly be expressed the gas negative pressure in the pipeline be stable, can according to size and the stable flow of regulating the first control gate valve 7 of vacuum table 9, can also determine whether and to be discharged into gas in the return aircourse according to vacuum table 9.
The gas drainage system that the utility model provides, by access coupling device 1 between mobile extraction system 10 and the permanent extraction in ground system 20, moisture in the gas can be separated, prevent that the moisture that gas is taken out of from entering into ground permanent extraction system 20 from moisture trap 3.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. the coupling device of a gas drainage system is characterized in that, comprises that one has the coupling container of accommodation space and both ends open;
One end opening of described coupling container is sealedly connected with the first drainage tube that is connected with mobile extraction system, and the other end opening of described coupling container is sealedly connected with the second drainage tube that is connected with the permanent extraction in ground system;
The sectional area of the accommodation space of described coupling container is greater than the sectional area of described the first drainage tube and the second drainage tube;
Be provided with outfall on the described coupling container.
2. the coupling device of gas drainage system according to claim 1 is characterized in that, is provided with a catch basin in the described coupling container, and described outfall is arranged on described catch basin place.
3. the coupling device of gas drainage system according to claim 1 is characterized in that, described outfall place is provided with gate valve.
4. the coupling device of each described gas drainage system is characterized in that according to claim 1-3, and described coupling container is a steel pipe.
5. the coupling device of gas drainage system according to claim 4, it is characterized in that an end of described steel pipe and described the second drainage tube are welded to connect the inside of described steel pipe, position near the other end is provided with cushion block, and described cushion block is in order to fixing described the first drainage tube.
6. a gas drainage system is characterized in that, comprises permanent extraction system of mobile extraction system and ground, is provided with moisture trap in the described mobile extraction system;
Be connected by coupling device between described mobile extraction system and the permanent extraction in the described ground system;
Described coupling device is for adopting the coupling device of each described gas drainage system among the claim 1-5, the first drainage tube in the described coupling device is connected with described moisture trap, and the second drainage tube in the described coupling device is connected with the pipeline of the permanent extraction in described ground system.
7. gas drainage system according to claim 6 is characterized in that, is provided with the anti feedback device that prevents gas backstreaming between described coupling device and the described moisture trap.
8. gas drainage system according to claim 7 is characterized in that, described anti feedback device comprises water storage device, stores liquid in the described water storage device, in the described water storage device, be positioned at described liquid above be provided with the double-edged fine-toothed comb that filters foreign material;
Be provided with air inlet port and gas outlet on the described water storage device, described gas outlet connects described the first drainage tube, and described air inlet port connects the stack of described mobile extraction system, and described stack extend into described liquid internal.
9. according to claim 7 or 8 described gas drainage systems, it is characterized in that, be provided with tee junction between described moisture trap and the described anti feedback device;
The pipeline that the first end of described tee junction connects is connected with moisture trap in the described mobile extraction system;
The pipeline that the second end of described tee junction connects is connected with described anti feedback device, and the second end of described tee junction is provided with the first control gate valve;
The pipeline that the 3rd end of described tee junction connects is arranged in the return aircourse, and the 3rd end of described tee junction is provided with the second control gate valve.
10. gas drainage system according to claim 6 is characterized in that, is provided with vacuum table at described the second drainage tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220476428 CN202810905U (en) | 2012-09-18 | 2012-09-18 | Coupling device of gas extraction system and gas extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220476428 CN202810905U (en) | 2012-09-18 | 2012-09-18 | Coupling device of gas extraction system and gas extraction system |
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| Publication Number | Publication Date |
|---|---|
| CN202810905U true CN202810905U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220476428 Expired - Fee Related CN202810905U (en) | 2012-09-18 | 2012-09-18 | Coupling device of gas extraction system and gas extraction system |
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| CN (1) | CN202810905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839986A (en) * | 2012-09-18 | 2012-12-26 | 淮南矿业(集团)有限责任公司 | Coupling device of gas extraction system and gas extraction system |
| CN112096447A (en) * | 2020-10-24 | 2020-12-18 | 淄博水环真空泵厂有限公司 | Coal mine gas extraction system pipeline negative pressure control system and 'prediction + increment PID' negative pressure control method thereof |
-
2012
- 2012-09-18 CN CN 201220476428 patent/CN202810905U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839986A (en) * | 2012-09-18 | 2012-12-26 | 淮南矿业(集团)有限责任公司 | Coupling device of gas extraction system and gas extraction system |
| CN112096447A (en) * | 2020-10-24 | 2020-12-18 | 淄博水环真空泵厂有限公司 | Coal mine gas extraction system pipeline negative pressure control system and 'prediction + increment PID' negative pressure control method thereof |
| CN112096447B (en) * | 2020-10-24 | 2021-06-15 | 淄博水环真空泵厂有限公司 | Coal mine gas extraction system pipeline negative pressure control system and 'prediction + increment PID' negative pressure control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20130320 Termination date: 20180918 |