CN202708580U - Storage transportation and desorption application device for coal bed gas - Google Patents
Storage transportation and desorption application device for coal bed gas Download PDFInfo
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- CN202708580U CN202708580U CN 201220363805 CN201220363805U CN202708580U CN 202708580 U CN202708580 U CN 202708580U CN 201220363805 CN201220363805 CN 201220363805 CN 201220363805 U CN201220363805 U CN 201220363805U CN 202708580 U CN202708580 U CN 202708580U
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Abstract
The utility model discloses a storage transportation and desorption application device for coal bed gas. The device comprises a gas tank and an adsorbing medium, wherein the adsorbing medium has a strong adsorbing function on the coal bed gas; an air inlet valve, an air outlet valve, a safety valve, a thermometer and a pressure gage are arranged on the gas tank; and the adsorbing medium is filled into the gas tank. By the device, the adsorbing medium which has the strong adsorbability to the coal bed gas is filled into the gas tank, requirements on bulking and transportation can be met without deep compression for the gas, energy sources are obviously saved, and the safety of bulking and transportation is improved; and in addition, the coal bed gas stored and transported by the storage transportation and desorption application device for coal bed gas is used, so that the gas pressure is not more than 10MPa; and because of low corrosivity of the coal bed gas, the device is low in requirement on materials of the gas tank and low in manufacturing cost.
Description
Technical field
The utility model relates to a kind of coal-seam gas storage and transportation apparatus, relates in particular to a kind of coal-seam gas accumulating and desorb application apparatus that need not degree of depth pressurized gas.
Background technique
Coal-seam gas refers to compose and has the unconventional rock gas take methane as main component in the coal seam, belongs to a kind of of rock gas, and methane accounts for 80%-90%, be the gas that produces in the coalification works, with the coal coexistence, claim again gas, be a kind of potential clear energy sources, reserves are very abundant.Estimate that according to International Energy Agency the coal bed gas resource of coalfield buried depth above 2000 meters is about 260,000,000,000,000 m3 on the global land, is that the twice of conventional gas explored reserve is many.China's coal bed gas resource is abundant, and the whole nation has 14 greater than the coal-seam gas basin that contains of 5,000 hundred million m3, and buried depth 2000m is about 36,000,000,000,000 m3 with shallow coal-seam gas geological resources.1000m accounts for respectively 38.8%, 28.8% and 32.4% of national coal bed gas resource geology total amount with the coal-seam gas geological resources of interior, 1000-1500m and 1500-2000m.Yet because a series of technical barriers, the utilization ratio of China's coal-seam gas is very low.These technical barriers mainly comprise exploitation technology and storaging and transport technology, and wherein exploitation technology is along with broad research is ripe gradually, and a gas storage and transportation difficult problem does not then obtain considerable progress.Traditional gas storage and transportation mode is the compression transportation, and the pressure of its accumulating tank is up to 25MPa, and is abnormally dangerous when can and transportation inflammable gas, seriously limited the application of coal-seam gas.
Summary of the invention
The purpose of this utility model provides a kind of coal-seam gas accumulating and desorb application apparatus that need not degree of depth pressurized gas with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Coal-seam gas accumulating described in the utility model and desorb application apparatus comprise gas tank and coal-seam gas are had the adsorbing medium of strong adsorption function, suction valve, gas outlet valve, safety valve, thermometer and pressure gauge are installed on the described gas tank, and described adsorbing medium is filled in the described gas tank.
Further, in the described adsorbing medium heat exchanging tube is installed; Described heat exchanging tube is tube still type heat exchanging tube or S shape heat exchanging tube.Heat exchanging tube directly is installed on adsorbing medium inside, can realize fast the thermal desorption to coal-seam gas after the heating, makes the exhaust of coal-seam gas more thorough.
Particularly, described adsorbing medium is to include but not limited to a kind of in active carbon, molecular sieve and the bentonite clay.These all are the conventional strong sorbing materials of gas, and are inexpensive greatly to advantages of good adsorption effect and the amount of gas.
Further, the tank skin of described gas tank is sandwich structure, in the mezzanine space of described gas tank electric heating tube is installed; Be provided with the thermal medium entrance that communicates with described mezzanine space on the outer tank skin of described gas tank.After increasing mezzanine space, more to the mode of heating of adsorbing medium, can select wherein that one or more carry out combined heated, reach best coal-seam gas thermal desorption effect.The outer tank skin of gas tank adopts the material of good heat-insulation effect, has reached the effect of insulation, and the internal layer tank skin of gas tank adopts the good material of heat-transfer effect, has reached the effect of flash heat transfer.
As preferably, the upper end of described gas tank is provided with dismountable sealing cover, and described safety valve, described suction valve, described gas outlet valve, described thermometer and described pressure gauge are installed on the described sealing cover.
Further, the air outlet of described safety valve is connected with the air intake of external gas bottle.If the gas tank internal gas pressure surpasses setting value, the safety valve meeting is opened automatically, realizes pressure release, and the coal-seam gas of discharging through safety valve simultaneously is collected in to reclaim in the gas bottle and uses.
Fully adsorb in order to make coal-seam gas be adsorbed medium, tap into tracheae in the described suction valve, the lower end of described suction tude places the inner bottom part of described gas tank.
In order to realize automation control, described coal-seam gas accumulating and desorb application apparatus also comprise control cabinet, and the control output end of described control cabinet is connected with the control input end of each controlled parts.
The beneficial effects of the utility model are:
1, the utility model need not in advance gas to be carried out degree of depth compression by fill the adsorbing medium that coal-seam gas is had strong adsorption function in gas tank, can satisfy can and transportation demand, has saved significantly the energy, has improved can and Transport Safety;
2, adopt coal-seam gas accumulating described in the utility model and desorb application apparatus accumulating coal-seam gas, its gas pressure is no more than 10MPa, and because coal-seam gas corrosivity is low, so low to the material requirements of gas tank, low cost of manufacture;
3, when coal-seam gas is used in desorb, behind pressure decreased, can adopt electric heating, hot water heating, hot steam heating and the multiple heating modes such as internal exchanger heating and external jacket heating, thereby the heating coal-seam gas promotes gas desorption;
4, by safety valve and gas bottle are set, when the safety valve pressure release, the coal-seam gas that discharges is collected, avoid on the one hand coal-seam gas to mix with air and form explosive mixed gas, cause security incident, the coal-seam gas of collecting on the other hand is recyclable, avoids the wasting of resources;
5, by control cabinet is set, can automatically start heating schedule according to the pressure size, reduce manual controlling, control more accurately the desorption rate of coal-seam gas;
6, after the complete desorb of gas, coal-seam gas accumulating described in the utility model and desorb application apparatus can return the can point, are repeatedly used.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, coal-seam gas accumulating described in the utility model and desorb application apparatus comprise gas tank 8 and coal-seam gas are had the adsorbing medium 5 of strong adsorption function, the upper end of gas tank 8 is provided with dismountable sealing cover 4, suction valve 10, gas outlet valve 3, safety valve 1, thermometer 2 and pressure gauge 9 are installed on the sealing cover 4, and adsorbing medium 5 is filled in the gas tank 8; The tank skin of gas tank 8 is sandwich structure, in the mezzanine space 13 of gas tank 8 electric heating tube 7 is installed; Be provided with the thermal medium entrance 15 that communicates with mezzanine space 13 on the outer tank skin of gas tank 8, heat exchanging tube 6 is installed in the adsorbing medium 5; Heat exchanging tube 6 is the tube still type heat exchanging tube, also can be S shape heat exchanging tube; The air outlet of safety valve 1 is connected with the air intake of external gas bottle 12; Tap into tracheae 14 in the suction valve 10, the lower end of suction tude 14 places the inner bottom part of gas tank 8; Described coal-seam gas accumulating and desorb application apparatus also comprise control cabinet 11, the control output end of control cabinet 11 is connected with the control input end of each controlled parts, concrete controlled parts are decided according to the actual requirements, such as the thermal source switch of heat exchanging tube 6, the power switch of electric heating tube 7, the air inlet switch of steam source etc.Adsorbing medium 5 is for including but not limited to a kind of in active carbon, molecular sieve and the bentonite clay, and these all are the conventional strong sorbing materials of gas, and are inexpensive greatly to advantages of good adsorption effect and the amount of gas.
In the above-mentioned parts, safety valve 1 is conventional Direct spring loaded safety valve;
Thermometer 2 and pressure gauge 9 are conventional standard scale;
Suction valve 10 and gas outlet valve 3 are common low pressure valve, and its structure can be stopcock, ball valve, butterfly valve etc.;
Sealing cover 4 is demountable structure, with seal washer, is connected with gas tank by flange and connects sealing;
Hot steam includes but are not limited to the thermals source such as various factories waste hot steam, geothermal water steam, motor vehicle emission tail gas;
Heat exchanging tube 6 is conventional heat-exchanging element, is specially tube still type heat exchanging tube or S shape heat exchanging tube;
Electric heating tube 7 is the common electrical thermoelement, and its shell can be the lectrothermal alloy wires such as the metallic material such as stainless steel, copper tube, central distribution nickel chromium triangle, siderochrome;
Control cabinet 11 is industry automatic control system commonly used, comes heating schedule in the controlling device by force value;
The tank skin of gas tank 8 adopts sandwich structure, and its inner-wall material is the metallic material such as the good iron of heat-transfer effect, aluminium, copper, alloy, and outer wall materials is the carbon steel of good heat-insulation effect etc. or the other materials of coating thermal insulation layer;
Gas bottle 12 is conventional pressure-bearing storage tank, and its material be for bearing the pressure-resistant material of 10MPa pressure, includes but are not limited to 20, the steel materials such as 20R, 16Mn, Q235.
In conjunction with Fig. 1, be described as follows with processing, can and the desorption method of a specific embodiment to coal-seam gas accumulating described in the utility model and desorb application apparatus:
1, take active carbon as adsorbing medium 5, is pre-filled in the inside of gas tank 8;
2, in adsorbing medium 5, install the tube still type heat exchanging tube 6 of sufficient amount;
3, seal ring on the pad covers sealing cover 4, closes gas outlet valve 3;
4, connect admission line, open suction valve 10, control institute's gas-filling amount by pressure gauge 9 readings and with this, when pressure reaches 10MPa, close suction valve 10, finish gas filling;
5, be transported to the destination when coal-seam gas, when needing desorb to use, connect outlet pipe, slowly open gas outlet valve 3, coal-seam gas is along with progressively desorb of pressure decreased;
6, when the decline of gas desorption speed, when pressure decreased arrived setting value 3.5MPa, control cabinet 11 started heating schedules automatically, and coal-seam gas is heated, and gas desorption speed improves;
7, after the whole desorbs of coal-seam gas, control cabinet 11 autoshutdown heating schedules are finished this and are separated suction and discharge, then whole device are returned to can, repeat next time can and desorption process.
Above-described embodiment is a kind of among the numerous embodiments of the utility model, also have on this basis a lot of other embodiments, can't describe one by one, but so long as in gas tank, fill adsorbing medium the architecture basics development and structure, all should be considered as invading the right of the utility model patent.
Claims (10)
1. a coal-seam gas accumulating and desorb application apparatus, it is characterized in that: comprise gas tank and coal-seam gas is had the adsorbing medium of strong adsorption function, suction valve, gas outlet valve, safety valve, thermometer and pressure gauge are installed on the described gas tank, and described adsorbing medium is filled in the described gas tank.
2. coal-seam gas accumulating according to claim 1 and desorb application apparatus is characterized in that: in the described adsorbing medium heat exchanging tube is installed.
3. coal-seam gas accumulating according to claim 2 and desorb application apparatus, it is characterized in that: described heat exchanging tube is tube still type heat exchanging tube or S shape heat exchanging tube.
4. coal-seam gas accumulating according to claim 1 and 2 and desorb application apparatus is characterized in that: described adsorbing medium is to include but not limited to a kind of in active carbon, molecular sieve and the bentonite clay.
5. coal-seam gas accumulating according to claim 1 and desorb application apparatus, it is characterized in that: the tank skin of described gas tank is sandwich structure, in the mezzanine space of described gas tank electric heating tube is installed.
6. coal-seam gas accumulating according to claim 5 and desorb application apparatus is characterized in that: be provided with the thermal medium entrance that communicates with described mezzanine space on the outer tank skin of described gas tank.
7. coal-seam gas accumulating according to claim 1 and desorb application apparatus, it is characterized in that: the upper end of described gas tank is provided with dismountable sealing cover, and described safety valve, described suction valve, described gas outlet valve, described thermometer and described pressure gauge are installed on the described sealing cover.
8. according to claim 1 or 7 described coal-seam gas accumulating and desorb application apparatus, it is characterized in that: the air outlet of described safety valve is connected with the air intake of external gas bottle.
9. according to claim 1 or 7 described coal-seam gas accumulating and desorb application apparatus, it is characterized in that: tap into tracheae in the described suction valve, the lower end of described suction tude places the inner bottom part of described gas tank.
10. coal-seam gas accumulating according to claim 1 and desorb application apparatus, it is characterized in that: described coal-seam gas accumulating and desorb application apparatus also comprise control cabinet, the control output end of described control cabinet is connected with the control input end of each controlled parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220363805 CN202708580U (en) | 2012-07-26 | 2012-07-26 | Storage transportation and desorption application device for coal bed gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220363805 CN202708580U (en) | 2012-07-26 | 2012-07-26 | Storage transportation and desorption application device for coal bed gas |
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| CN202708580U true CN202708580U (en) | 2013-01-30 |
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| CN 201220363805 Expired - Fee Related CN202708580U (en) | 2012-07-26 | 2012-07-26 | Storage transportation and desorption application device for coal bed gas |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814101A (en) * | 2012-07-26 | 2012-12-12 | 徐毅 | Storage, transport and desorption application device for coal bed methane |
| CN103090184A (en) * | 2013-02-06 | 2013-05-08 | 徐毅 | Quick desorption method for adsorbed natural gas |
| CN104595704A (en) * | 2015-01-26 | 2015-05-06 | 卢亨俊 | Steel cylinder air-charging device and steel cylinder air-charging method for natural gas ANG (adsorbed natural gas) car |
| CN106015929A (en) * | 2016-07-03 | 2016-10-12 | 宁夏宝塔石化科技实业发展有限公司 | Automotive ANG gas cylinder device |
| CN106015928A (en) * | 2016-07-01 | 2016-10-12 | 宁夏宝塔石化科技实业发展有限公司 | Low-pressure adsorption natural gas storage tank |
| CN107543033A (en) * | 2017-09-29 | 2018-01-05 | 吉林科领科技有限公司 | A kind of metal hydride hydrogen storage unit |
-
2012
- 2012-07-26 CN CN 201220363805 patent/CN202708580U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814101A (en) * | 2012-07-26 | 2012-12-12 | 徐毅 | Storage, transport and desorption application device for coal bed methane |
| CN103090184A (en) * | 2013-02-06 | 2013-05-08 | 徐毅 | Quick desorption method for adsorbed natural gas |
| CN104595704A (en) * | 2015-01-26 | 2015-05-06 | 卢亨俊 | Steel cylinder air-charging device and steel cylinder air-charging method for natural gas ANG (adsorbed natural gas) car |
| CN104595704B (en) * | 2015-01-26 | 2016-06-22 | 卢亨俊 | A kind of natural gas ANG automobile steel bottle aerating device and method thereof |
| CN106015928A (en) * | 2016-07-01 | 2016-10-12 | 宁夏宝塔石化科技实业发展有限公司 | Low-pressure adsorption natural gas storage tank |
| CN106015929A (en) * | 2016-07-03 | 2016-10-12 | 宁夏宝塔石化科技实业发展有限公司 | Automotive ANG gas cylinder device |
| CN107543033A (en) * | 2017-09-29 | 2018-01-05 | 吉林科领科技有限公司 | A kind of metal hydride hydrogen storage unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130130 Termination date: 20180726 |