CN101333146B - Methane recovery device - Google Patents
Methane recovery device Download PDFInfo
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- CN101333146B CN101333146B CN2008100212758A CN200810021275A CN101333146B CN 101333146 B CN101333146 B CN 101333146B CN 2008100212758 A CN2008100212758 A CN 2008100212758A CN 200810021275 A CN200810021275 A CN 200810021275A CN 101333146 B CN101333146 B CN 101333146B
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Abstract
The invention discloses a methane recovery device, which is characterized in that the device comprises a duct, a filter room, a centrifugal fan, a separation and purification tank, an adsorption tank, a condenser, a buffer box, a separation box, a gas keeping tank and a gas storage tank. A filter is arranged in the filter room. The filter room is divided by the filter into a sewage gas chamber and a clean gas chamber; one end of the duct is connected with the sewage gas chamber; a suction nozzle is arranged at one side of the filter; the suction nozzle is communicated with the sewage gas chamber through a sewage gas absorption fan, an air backflow tank and a backflow pipe. The centrifugal fan is respectively connected with the clean gas chamber and the upper part of an air separator inside the separation and purification tank. A carbon bed, a mat network, an adsorbent and a pressure network are arranged inside the adsorption tank; the upper part of the air separator is connected with the bottom part of the adsorption tank. The top part of the adsorption tank is connected with one end of the condenser; a freezer is connected between both ends of the condenser. The other end of the condenser is communicated with the buffer box. The separation box is communicated with the gas keeping tank; a pressurized fan is arranged between the gas keeping tank and the gas storage tank. The invention can avoid air pollution and energy waste and is suitable for coal mines to recover methane of harmful gases.
Description
Technical field
The present invention relates to a kind of methane recovery device.Specifically, be the device that is used for reclaiming methane in the obnoxious flavour, be applicable in the mine in colliery.
Background technology
All know in the coal production industry, in the coal mining process, can produce a kind of colourless, tasteless flammable obnoxious flavour.Contain a large amount of methane in this obnoxious flavour, if do not handle, the very easily explosion caused accident of methane wherein.For the explosion hazard of avoiding the too high initiation of methane concentration takes place, traditional method is to adopt ventilation installation to the mine processing of ventilating, obnoxious flavour in the mine is entered atmosphere, the obnoxious flavour in the mine is diluted, to reduce the methane content in the mine air.Though adopt this method also can reduce the methane content of mine air, avoid taking place because of the explosion hazard of the too high initiation of methane concentration.But, not only can bring pollution, and can cause the waste of the energy atmosphere because this method is that the obnoxious flavour that mine contains methane is directly entered atmosphere.
Summary of the invention
The problem to be solved in the present invention provides a kind of methane recovery device.Adopt this device that the obnoxious flavour in the coal mine is reclaimed, can avoid topsoil and energy dissipation.
For addressing the above problem, take following technical scheme:
Methane recovery device characteristics of the present invention be contain air channel, filtration chamber, centrifugal blower, separation purify jar, adsorption tanks, condenser, baffle-box, separator box, deposit gas tank and gas-holder.Air-valve is arranged on the air channel, strainer is arranged in the filtration chamber.Described strainer is a disc, and it is erect to arrange, around it with the inwall of filtration chamber around sealing-in mutually so that the filtration chamber is separated into dirty air cavity and pure qi (oxygen) chamber, air channel one end is communicated with dirty air cavity.On the strainer one side adjacent suction nozzle is arranged, soil pick-up blower fan and air return tank are arranged between suction nozzle and dirty air cavity, the dirty bag of collection is arranged in the air return tank with dirty air cavity.The import of soil pick-up blower fan links to each other with the dirty bag of suction nozzle and collection by pipeline respectively with outlet, and the air return tank is communicated with dirty air cavity by return line.Separating in the jar of purifying has air trap, and Waste gas outlet is arranged at its bottom.The import of centrifugal blower and outlet are joined by the top of pipeline and pure qi (oxygen) chamber and air trap respectively.Carbon bed, pad net, attached vapor are arranged in the adsorption tanks from bottom to top successively and press net and press between net and adsorption tanks top and leave the space, air trap top by pipeline and a valve and adsorption tanks bottom connection and the two be connected.The headspace of adsorption tanks links to each other with condenser one end with a valve by pipeline, and condenser go-and-retum wherein is connected to refrigerator.Be connected between baffle-box and separator box.The other end of condenser communicates with baffle-box by a valve, separator box by a valve with deposit gas tank and be connected, deposit gas tank and communicate with gas-holder by booster fan again, the gas-holder bottom is processed with the methane outlet.
Wherein: described attached vapor is an activated carbon; Described air trap is made up of the multilayer Stainless Steel Cloth, and also can be reeled by Stainless Steel Cloth forms; Described valve is pneumavalve.
On the wall of the dirty air cavity chamber of filtration chamber, also be processed with access door.
Take such scheme, have the following advantages:
Because methane recovery device of the present invention contains air channel, filtration chamber, centrifugal blower, separation purification jar, adsorption tanks, condenser, baffle-box, separator box, deposits gas tank and gas-holder.Air-valve is arranged on the air channel, and air channel one termination has the filtration chamber, and strainer is arranged in the filtration chamber.Described strainer is a disc, and it is erect to arrange, around it with the inwall of filtration chamber around sealing-in mutually so that the filtration chamber is separated into dirty air cavity and pure qi (oxygen) chamber.On the strainer one side adjacent suction nozzle is arranged, soil pick-up blower fan and air return tank are arranged between suction nozzle and dirty air cavity, the dirty bag of collection is arranged in the air return tank with the pure qi (oxygen) chamber.The import of soil pick-up blower fan links to each other with the dirty bag of suction nozzle and collection by pipeline respectively with outlet, and the air return tank is communicated with dirty air cavity by pipeline.Separating in the jar of purifying has air trap, and Waste gas outlet is arranged at its bottom.The import of centrifugal blower and outlet are joined by the top of pipeline and pure qi (oxygen) chamber and air trap respectively.Carbon bed, pad net, attached vapor are arranged in the adsorption tanks from bottom to top successively and press net and press between net and adsorption tanks top and leave the space, air trap top by pipeline and valve and adsorption tanks bottom connection and the two be connected.The headspace of adsorption tanks links to each other with condenser one end with valve by pipeline, and condenser go-and-retum wherein is connected to refrigerator.In the middle of the baffle-box inner chamber dividing plate is arranged, through hole is arranged on the dividing plate, thereby baffle-box is separated into two separate spaces.The other end of condenser communicates with a chamber of baffle-box by valve, another chamber of baffle-box by valve with deposit gas tank and be connected, deposit gas tank and communicate with gas-holder by booster fan again, the methane outlet is arranged at the gas-holder bottom.In addition, under installment state, each several part of the present invention all links to each other with computerized control system, is realized the automatic control of each function by computerized control system.
During work, by air channel, air-valve obnoxious flavour is sucked the filtration chamber by centrifugal blower, filtration by filtration chamber's internal filter, by the soil pick-up blower fan suspended substance in the obnoxious flavour is sucked in the dirty bag of collection, obnoxious flavour is wherein proceeded to filter by the dirty air cavity that the air return tank is back to the filtration chamber again.Under the effect of blower fan, be inhaled into separation purification jar through the obnoxious flavour after filtering, separate concentrated by separating jar interior gas separation unit of purifying, separated waste gases enters atmosphere from the discharge outlet that separates the purification pot bottom, and the methane gas that concentrates out enters adsorption tanks through variable valve, carries out attached suction by the attached vapor in the adsorption tanks and handles.Waste gas after handling through attached suction enters atmosphere from the discharge outlet on adsorption tanks top, and methane gas enters condenser through valve and carries out dehumidification treatments.The methane gas that the process dehumidification treatments is crossed enters baffle-box successively through valve and further separates purification with separator box.The further methane gas that separates purification of process enters by valve deposits gas tank, after booster fan regularly will be deposited the interior methane gas suction gas-holder of gas tank, has finished the recovery of methane in the obnoxious flavour.Not only avoid pollution that the obnoxious flavour that mine contains methane is directly entered atmosphere, atmosphere is brought, and avoided the waste of the energy.
Description of drawings
Accompanying drawing is a methane recovery device synoptic diagram of the present invention.
As shown in drawings, methane recovery device of the present invention contains air channel 1, filtration chamber, centrifugal blower 5, separation purification jar 21, adsorption tanks 17, condenser 9, baffle-box 14, separator box 13, deposits gas tank 12 and gas-holder 11.Air-valve 2 is installed on the air channel 1, strainer 4 is installed in the filtration chamber.Described strainer 4 is a disc, and it is erect to arrange, around it with the inwall of filtration chamber around sealing-in mutually so that filtration chamber 4 is separated into dirty air cavity 28 and pure qi (oxygen) chamber 23, air channel 1 one ends are connected with the dirty air cavity 28 of filtration chamber.On strainer 4 one sides adjacent with dirty air cavity 28 suction nozzle 29 is installed, 28 of suction nozzle 29 and dirty air cavitys are provided with soil pick-up blower fan 24 and air return tank 26, and dirty bag 25 of collection is installed in the air return tank 26.The import of soil pick-up blower fan 24 links to each other with the dirty bag 25 of suction nozzle 29 and collection by pipeline respectively with outlet, and air return tank 26 is communicated with dirty air cavity 28 by return line 27.Separate in the jar 21 of purifying that air trap 22 being installed, separate jar 21 bottoms of purifying and be processed with Waste gas outlet 6.The import of centrifugal blower 5 and outlet are joined by the top of pipeline and pure qi (oxygen) chamber 23 and air trap 22 respectively.Be disposed with carbon bed 8, pad net 20, sorbent material 19 in the adsorption tanks 17 from bottom to top and press net 18 and press between net 18 and adsorption tanks 17 tops and leave the space, air trap 22 tops by pipeline and valve 7 and adsorption tanks 17 bottom connection and the two be connected.Be processed with exhaust outlet 16 on the top tank skin of adsorption tanks 17, the headspace of adsorption tanks 17 links to each other with an end of condenser 9 with valve 701 by pipeline, and condenser 9 go-and-retum wherein are connected to refrigerator 15.Described baffle-box 14 and separator box 13 are to be provided with dividing plate and to form in the middle of box cavity, be processed with through hole on the dividing plate wherein, thereby 13 of baffle-box 14 and separator boxs are connected.Be processed with Waste gas outlet 601 in separator box 13 bottoms.The other end of condenser 9 communicates with baffle-box 14 by valve 703, separator box 13 by valve 702 with deposit gas tank 12 and be connected, deposit gas tank 12 and communicate with gas-holder 11 by booster fan 10 again, gas-holder 11 bottoms are processed with the methane outlet.
Wherein: described sorbent material 19 is an activated carbon; Described air trap 22 is made up of the multilayer Stainless Steel Cloth, and also can reel with Stainless Steel Cloth forms; Described valve 7,701,702 and 703 is pneumavalve; On the chamber wall of the dirty air cavity 28 of filtration chamber access door 3 is installed also.
Claims (6)
1. methane recovery device is characterized in that comprising air channel (1), filtration chamber, centrifugal blower (5), separates purify jar (21), adsorption tanks (17), condenser (9), baffle-box (14), a separator box (13), deposits gas tank (12) and gas-holder (11); Air-valve (2) is arranged on the air channel (1), strainer (4) is arranged in the filtration chamber; Described strainer (4) is a disc, and it is erect to arrange, around it with the inwall of filtration chamber around sealing-in mutually so that filtration chamber (4) are separated into dirty air cavity (28) and pure qi (oxygen) chamber (23), air channel (1) one end is communicated with dirty air cavity (28); On strainer (4) one side adjacent suction nozzle (29) is arranged, soil pick-up blower fan (24) and air return tank (26) are arranged between suction nozzle (29) and dirty air cavity (28), the dirty bag of collection (25) is arranged in the air return tank (26) with dirty air cavity (28); The import of soil pick-up blower fan (24) links to each other with the dirty bag of collection (25) with suction nozzle (29) by pipeline respectively with outlet, and air return tank (26) is communicated with dirty air cavity (28) by return line (27); Separating in purify jar (21) has air trap (22), and Waste gas outlet (6) is arranged at its bottom; The import of centrifugal blower (5) and outlet are joined by the top of pipeline and pure qi (oxygen) chamber (23) and air trap (22) respectively; Carbon bed (8), pad net (20), sorbent material (19) are arranged in the adsorption tanks (17) from bottom to top successively and press net (18) and pressure net (18) and adsorption tanks (17) top between leave the space, air trap (22) top by pipeline and valve (7) and adsorption tanks (17) bottom connection and the two be connected; The headspace of adsorption tanks (17) links to each other with condenser (9) one ends with valve (701) by pipeline, and condenser wherein (9) go-and-retum is connected to refrigerator (15); Be connected between baffle-box (14) and separator box (13); The other end of condenser (9) communicates with baffle-box (14) by valve (703), separator box (13) by valve (702) with deposit gas tank (12) and be connected, deposit gas tank (12) and communicate with gas-holder (11) by booster fan (10) again, gas-holder (11) bottom is processed with the methane outlet.
2. methane recovery device according to claim 1 is characterized in that described sorbent material (19) is an activated carbon.
3. methane recovery device according to claim 1 is characterized in that described air trap (22) is made up of the multilayer Stainless Steel Cloth.
4. methane recovery device according to claim 1 is characterized in that air trap (22) is formed by the Stainless Steel Cloth coiling.
5. methane recovery device according to claim 1 is characterized in that described valve (7,701,702 and 703) is pneumavalve.
6. according to the described methane recovery device of arbitrary claim in the claim 1～5, it is characterized in that on dirty air cavity (28) the chamber wall of filtration chamber access door (3) being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100212758A CN101333146B (en) | 2008-07-23 | 2008-07-23 | Methane recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100212758A CN101333146B (en) | 2008-07-23 | 2008-07-23 | Methane recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101333146A CN101333146A (en) | 2008-12-31 |
| CN101333146B true CN101333146B (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100212758A Expired - Fee Related CN101333146B (en) | 2008-07-23 | 2008-07-23 | Methane recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101333146B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955403A (en) * | 2010-04-27 | 2011-01-26 | 山东科技大学 | Technology and equipment for separating, enriching and recycling methane in mine return air stream |
| CN102287616B (en) * | 2011-02-17 | 2013-06-12 | 四川新光硅业科技有限责任公司 | Device for storing and cyclically recovering chlorsilane and process |
| CN102865096B (en) * | 2011-07-04 | 2015-04-01 | 上海攀极投资有限公司 | Ventilation air methane (VAM) suction device |
| CN102661166B (en) * | 2012-05-03 | 2014-03-26 | 河南理工大学 | Method for purifying gas extracted by mine by using ionic liquid |
| CN110479019A (en) * | 2019-08-28 | 2019-11-22 | 贵州大学 | A kind of low concentration gas filter device for coal mining |
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2008
- 2008-07-23 CN CN2008100212758A patent/CN101333146B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101333146A (en) | 2008-12-31 |
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Granted publication date: 20100811 Termination date: 20110723 |