CN105463048A - Method for preparing methane from coal combustion exhaust and device thereof - Google Patents
Method for preparing methane from coal combustion exhaust and device thereof Download PDFInfo
- Publication number
- CN105463048A CN105463048A CN201510152224.9A CN201510152224A CN105463048A CN 105463048 A CN105463048 A CN 105463048A CN 201510152224 A CN201510152224 A CN 201510152224A CN 105463048 A CN105463048 A CN 105463048A
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- Prior art keywords
- methane
- coal combustion
- gas
- methane phase
- phase container
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 316
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 53
- 239000003245 coal Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 45
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 210000003608 fece Anatomy 0.000 claims description 37
- 230000001580 bacterial effect Effects 0.000 claims description 27
- 239000002912 waste gas Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 17
- 235000011089 carbon dioxide Nutrition 0.000 claims description 13
- 239000003345 natural gas Substances 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 12
- 238000007670 refining Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 235000006180 nutrition needs Nutrition 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 235000009508 confectionery Nutrition 0.000 claims description 2
- 230000000050 nutritive effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 4
- 239000001569 carbon dioxide Substances 0.000 abstract description 4
- 238000000855 fermentation Methods 0.000 abstract description 3
- 230000004151 fermentation Effects 0.000 abstract description 3
- 235000015097 nutrients Nutrition 0.000 abstract description 3
- 239000005416 organic matter Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 3
- -1 now Chemical compound 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
Abstract
A method for preparing methane from coal combustion exhaust comprises the following technological steps that 1, a methanogenesis strain and a nutrient solution are put into a methanogenesis container with the constant temperature about 60 DEG C; 2, high-temperature coal combustion exhaust is sent to the bottom of the methanogenesis container through a fan to make sufficient contact with the methanogenesis strain and a hydrogen generation strain, and methane mixed gas is generated; 3, the methane mixed gas is collected at the top of the methanogenesis container. Compared with the prior art, according to the method for preparing the methane from the coal combustion exhaust, the step of generating carbon dioxide through organic matter fermentation is omitted, the carbon dioxide exhausted from a power plant directly makes contact with the methanogenesis strain and the hydrogen generation strain to produce the methane, and not only is exhaust of the carbon dioxide is reduced, but also waste materials are changed into treasure.
Description
Technical field
The present invention designs method and the device thereof that a kind of coal combustion exhaust produces methane.
Background technology
As everyone knows, coal combustion exhaust is the main cause that air forms haze.On the one hand, current social energy scarcity, energy restrict civilization of human society develops.On the other hand, the world today all coal-fired high-temp waste gas as pollutent, also coal-fired high-temp waste gas is not used as the precedent that resource is used.
Carbonic acid gas contacts with methane bacterial classification and produces methane, the conclusion that foreign country scientist draws in the research trial that pure methane bacterial classification and carbon dioxide exposure produce methane in the thirties in last century, and is proved.At present, common biogas technology person knows this rudimentary knowledge.But China and even countries in the world anaerobic digestion scholar, expert produce carbonic acid gas along organic matter fermentation to contact with methane bacterial classification and produce this thinking of methane and go to study.To process organic waste and to obtain for the purpose of new forms of energy.Therefore, studying method and device thereof that a kind of coal combustion exhaust produces methane, is the current technical issues that need to address.
Summary of the invention
Technical problem to be solved by this invention is to provide method and the device thereof that a kind of coal combustion exhaust produces methane.
The method and technology scheme that the present invention solves its technical problem is:
Coal combustion exhaust produces the method for methane, comprising following processing step is: 1. first methane phase bacterial classification and nutritive medium are loaded about 60 degree constant temperature Celsius methane phase container in, 2. coal-fired high-temp waste gas blower fan is sent into methane phase container bottom fully contact with hydrogenogens kind with methane phase bacterial classification and produce methane mixed gas, 3. at the top of methane phase container, methane mixed gas is collected.
As a kind of preferred version of the inventive method technical scheme, also comprise and the high-temp waste gas of the methane mixed gas burning and exhausting of collection sent into methane phase container and methane phase bacterial classification and hydrogenogens kind again and fully contact and produce methane mixed gas, the high-temp waste gas of methane mixed gas burning and exhausting sent into methane phase container and methane phase bacterial classification more again and fully contact with hydrogenogens kind and produce methane mixed gas step, realizing one is heat recovery; Two is coal combustion exhaust zero releases.
As a kind of preferred version of the inventive method technical scheme, also comprise and the methane mixed gas methane purifier of collection is purified to Sweet natural gas, for automobile fuel gas.
As a kind of preferred version of the inventive method technical scheme, in methane phase container, add people's animal dung liquid; In methane phase container, add urea, starch, phosphorus, to ensure to meet methane phase bacterial classification and hydrogenogens kind nutritional needs, improve carbonic acid gas and generate methane gas rate.
Theoretical foundation of the present invention:
Livestock and poultry manure is added in methane bacterial classification, other trace element and other material such as urea, phosphorus, starch, guarantee methane phase bacterial classification and hydrogenogens kind have a healthy health, as long as after namely allowing methane bacterial classification, hydrogenogens kind eat and drink to one's heart's content, the carbonic acid gas of power plant emission is directly contacted with hydrogenogens kind with methane bacterial classification, can methane be produced, and carbonic acid gas generation methane rate can be improved.
The device technique scheme that the present invention solves its technical problem is:
Coal combustion exhaust produces the device of methane, comprise coal combustion equipment and methane phase container, the Waste gas outlet of coal combustion equipment is communicated with by the bottom of pipeline with methane phase container, official road between coal combustion equipment and methane phase container is provided with blower fan I, dust removal installation and pipe valve III, the pipeline of methane phase container front end is provided with purging valve, and the air outlet of methane phase container top is by the combustion chamber of pipeline and coal combustion equipment and on pipeline, be provided with pipe valve I, II blower fan, gas holder I and pipe valve II.The waste gas of coal combustion equipment discharge passes through blower fan I through dust removal installation, be transported to methane phase container bottom, carbonic acid gas in coal combustion exhaust contacts with methane bacterial classification and generates methane, now, carbonic acid gas and methanogenesis mixed gas rise, be transported to gas holder I for coal combustion equipment burning by blower fan II, waste gas sends into methane phase container again, and the energy forms recycle.
As a kind of preferred version of apparatus of the present invention technical scheme, also comprise natural gas refining device and gas holder II, the air outlet of methane phase container top is provided with threeway, one of them combustion chamber by pipe valve I, II blower fan, gas holder I and pipe valve II and coal combustion equipment of two straightthrough ports of threeway, another of two straightthrough ports of threeway is communicated with natural gas refining device by pipe valve IV, and natural gas refining device is communicated with gas holder II.Mixed gas refining natural gas, for automobile fuel gas.
As a kind of preferred version of apparatus of the present invention technical scheme, also comprise people's animal dung stirring and dissolving pond, stir descendant's animal dung storage pool, 150 order net drum filters and filtration descendant's animal dung storage pool and liquor pump, outlet and the inlet communication stirring descendant's animal dung storage pool in people's animal dung stirring and dissolving pond, stir the outlet of descendant's animal dung storage pool and the inlet communication of 150 order net drum filters, outlet and the inlet communication filtering descendant's animal dung storage pool of 150 order net drum filters, filter the outlet of descendant's animal dung storage pool and the inlet communication of liquor pump, liquid pump outlet is communicated with the bottom of methane phase container.After people's animal dung is stirred by people's animal dung stirring and dissolving pond, then filtered by 150 order net drum filters, pump into methane phase container by liquor pump.
As a kind of preferred version of apparatus of the present invention technical scheme, be provided with overflow port at the upper oral part of methane phase container, overflow port is communicated with filtration descendant animal dung storage pool by pipeline.According to methane phase bacterial classification and hydrogenogens kind nutritional needs Additional nutrient solution, redundance liquid filters descendant's animal dung storage pool, recycle from suitable for reading overflowing to.
As a kind of preferred version of apparatus of the present invention technical scheme, be provided with gas-water separation at methane phase upper vessel portion and pull.
As a preferred embodiment of the present invention, also comprise hydrogen gas tank, hydrogen gas tank is communicated with the bottom of methane phase container.
The starting method of apparatus of the present invention:
During startup, open purging valve to the oxygenous coal-fired high-temp waste gas of airborne release, after oxygen is drained, closes purging valve and open pipe valve III, to the coal-fired high-temp waste gas of methane phase container transport.
Compared with prior art, present invention eliminates organic matter fermentation and produce this link of carbonic acid gas, the carbonic acid gas of power plant emission is directly contacted with hydrogenogens kind with methane phase bacterial classification, produce methane.Not only decrease Carbon emission, and turn waste into wealth.
Accompanying drawing explanation
Fig. 1 is system schematic of the present invention.
Embodiment
Coal combustion exhaust produces the method for methane, comprising following processing step is: 1. first by methane phase bacterial classification load about 60 degree constant temperature Celsius methane phase container in, 2. coal-fired high-temp waste gas blower fan is sent into methane phase container bottom fully contact with hydrogenogens kind with methane phase bacterial classification and produce methane mixed gas, 3. at the top of methane phase container, methane mixed gas is collected.Also comprise and the high-temp waste gas of the methane mixed gas burning and exhausting of collection sent into methane phase container and methane phase bacterial classification and hydrogenogens kind again and fully contact and produce methane mixed gas, the high-temp waste gas of methane mixed gas burning and exhausting sent into methane phase container and methane phase bacterial classification more again and fully contact with hydrogenogens kind and produce methane mixed gas step, realize coal combustion exhaust zero release.Also comprise and methane mixed gas is purified, for automobile fuel gas by the methane mixed gas methane purifier of collection.People's animal dung liquid is added in methane phase container; In methane phase container, add urea, starch, phosphorus, to ensure to meet methane phase bacterial classification and hydrogenogens kind nutritional needs, improve carbonic acid gas and generate methane gas rate.
As shown in the figure, coal combustion exhaust produces the device of methane, comprise coal combustion equipment 1 and methane phase container 2, the Waste gas outlet of coal combustion equipment 1 is communicated with by the bottom of pipeline with methane phase container 2, official road between coal combustion equipment 1 and methane phase container 2 is provided with blower fan I3, dust removal installation 4 and pipe valve III8, the pipeline of methane phase container front end is provided with purging valve 7, and the air outlet at methane phase container 2 top is by the combustion chamber of pipeline and coal combustion equipment 1 and on pipeline, be provided with pipe valve I18, II blower fan 5, gas holder I6 and pipe valve II19.The waste gas that coal combustion equipment 1 discharges passes through blower fan I3 through dust removal installation 4, be transported to methane phase container bottom 2, carbonic acid gas in coal combustion exhaust contacts with methane bacterial classification and generates methane, now, carbonic acid gas and methanogenesis mixed gas rise, be transported to gas holder I6 by blower fan II5 to burn for coal combustion equipment 1, waste gas sends into methane phase container again, and the energy forms recycle.
Also comprise natural gas refining device 16 and gas holder II15, the air outlet at methane phase container 2 top is provided with threeway, one of them combustion chamber by pipe valve I18, II blower fan 5, gas holder I6 and pipe valve II19 and coal combustion equipment 1 of two straightthrough ports of threeway, another of two straightthrough ports of threeway is communicated with natural gas refining device 16 by pipe valve IV17, and natural gas refining device 16 is communicated with gas holder II15.Mixed gas refining natural gas, for automobile fuel gas.
Also comprise people's animal dung stirring and dissolving pond 10, stir descendant's animal dung storage pool 11, 150 order net drum filters 12 and filtration descendant animal dung storage pool 13 and liquor pump 14, outlet and the inlet communication stirring descendant's animal dung storage pool 11 in people's animal dung stirring and dissolving pond 10, stir the outlet of descendant's animal dung storage pool 11 and the inlet communication of 150 order net drum filters 12, outlet and the inlet communication filtering descendant's animal dung storage pool 13 of 150 order net drum filters 12, filter the outlet of descendant's animal dung storage pool 13 and the inlet communication of liquor pump 14, the outlet of liquor pump 14 is communicated with the bottom of methane phase container 2.After people's animal dung is stirred by people's animal dung stirring and dissolving pond 10, then filtered by 150 order net drum filters 12, pump into methane phase container 2 by liquor pump 14.
Be provided with overflow port 20 at the upper oral part of methane phase container 2, overflow port 20 is communicated with filtration descendant animal dung storage pool 13 by pipeline.According to methane phase bacterial classification and hydrogenogens kind nutritional needs Additional nutrient solution, redundance liquid filters descendant's animal dung storage pool 13, recycle from suitable for reading overflowing to.
Gas-water separation version 9 is provided with at methane phase upper vessel portion.
Also comprise hydrogen gas tank 25, hydrogen gas tank 25 is communicated with the bottom of methane phase container 2.
Claims (10)
1. coal combustion exhaust produces the method for methane, it is characterized in that, comprising following processing step is: 1. first methane phase bacterial classification and nutritive medium are loaded about 60 degree constant temperature Celsius methane phase container in, 2. coal-fired high-temp waste gas blower fan is sent into methane phase container bottom fully contact with hydrogenogens kind with methane phase bacterial classification and produce methane mixed gas, 3. at the top of methane phase container, methane mixed gas is collected.
2. coal combustion exhaust according to claim 1 produces the method for methane, it is characterized in that, also comprise and the high-temp waste gas of the methane mixed gas burning and exhausting of collection sent into methane phase container and methane phase bacterial classification and hydrogenogens kind again and fully contact and produce methane mixed gas, the high-temp waste gas of methane mixed gas burning and exhausting sent into methane phase container and methane phase bacterial classification more again and fully contact with hydrogenogens kind and produce methane mixed gas step, realizing one is heat recovery; Two is coal combustion exhaust zero releases.
3. coal combustion exhaust according to claim 1 produces the method for methane, it is characterized in that, also comprises and the methane mixed gas methane purifier of collection is purified to Sweet natural gas, for automobile fuel gas.
4. coal combustion exhaust according to claim 1 produces the method for methane, it is characterized in that, adds people's animal dung liquid in methane phase container; In methane phase container, add urea, starch, phosphorus, to ensure to meet methane phase bacterial classification and hydrogenogens kind nutritional needs, improve carbonic acid gas and generate methane gas rate.
5. the coal combustion exhaust of claim 1 produces the device of the method for methane, comprise coal combustion equipment (1) and methane phase container (2), it is characterized in that, the Waste gas outlet of coal combustion equipment (1) is communicated with by the bottom of pipeline with methane phase container (2), official road between coal combustion equipment (1) and methane phase container (2) is provided with blower fan I (3), dust removal installation (4) and pipe valve III (8), the pipeline of methane phase container front end is provided with purging valve (7), the air outlet at methane phase container (2) top is by the combustion chamber of pipeline and coal combustion equipment (1) and on pipeline, be provided with pipe valve I (18), II blower fan (5), gas holder I (6) and pipe valve II (19).
6. the device producing the method for methane for coal combustion exhaust according to claim 5, it is characterized in that, also comprise natural gas refining device (16) and gas holder II (15), the air outlet at methane phase container (2) top is provided with threeway, one of them of two straightthrough ports of threeway is by pipe valve I (18), II blower fan (5), the combustion chamber of gas holder I (6) and pipe valve II (19) and coal combustion equipment (1), another of two straightthrough ports of threeway is communicated with natural gas refining device (16) by pipe valve IV (17), natural gas refining device (16) is communicated with gas holder II (15).
7. the device producing the method for methane for coal combustion exhaust according to claim 5 or 6, it is characterized in that, also comprise people's animal dung stirring and dissolving pond (10), stir descendant's animal dung storage pool (11), 150 order net drum filters (12) and filter descendant's animal dung storage pool (13) and liquor pump (14), outlet and the inlet communication stirring descendant's animal dung storage pool (11) in people's animal dung stirring and dissolving pond (10), stir the outlet of descendant's animal dung storage pool (11) and the inlet communication of 150 order net drum filters (12), outlet and the inlet communication filtering descendant's animal dung storage pool (13) of 150 order net drum filters (12), filter the outlet of descendant's animal dung storage pool (13) and the inlet communication of liquor pump (14), the outlet of liquor pump (14) is communicated with the bottom of methane phase container (2).
8. the device producing the method for methane for coal combustion exhaust according to claim 7, it is characterized in that, be provided with overflow port (20) at the upper oral part of methane phase container (2), overflow port (20) is communicated with filtration descendant's animal dung storage pool (13) by pipeline.
9. the device producing the method for methane for coal combustion exhaust according to claim 5, is characterized in that, is provided with gas-water separation version (9) at methane phase upper vessel portion.
10. the device producing the method for methane for coal combustion exhaust according to claim 5, is characterized in that, also comprises hydrogen gas tank (25), and hydrogen gas tank (25) is communicated with the bottom of methane phase container (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510152224.9A CN105463048B (en) | 2015-03-26 | 2015-03-26 | Coal combustion exhaust produces the method and device thereof of methane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510152224.9A CN105463048B (en) | 2015-03-26 | 2015-03-26 | Coal combustion exhaust produces the method and device thereof of methane |
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| Publication Number | Publication Date |
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| CN105463048A true CN105463048A (en) | 2016-04-06 |
| CN105463048B CN105463048B (en) | 2019-02-26 |
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| CN201510152224.9A Active CN105463048B (en) | 2015-03-26 | 2015-03-26 | Coal combustion exhaust produces the method and device thereof of methane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861283A (en) * | 2016-04-25 | 2016-08-17 | 高节义 | Miniature methane-producing devices |
| CN106145336A (en) * | 2016-06-03 | 2016-11-23 | 高节义 | Urban garbage disposal processes, with livestock and poultry breeding industry feces water, the facility combined |
| CN106167301A (en) * | 2016-06-03 | 2016-11-30 | 高节义 | Urban garbage disposal and livestock and poultry breeding industry feces water process and process, with city domestic sewage, the facility combined |
| CN106635754A (en) * | 2016-07-05 | 2017-05-10 | 高节义 | Combined methane production apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105861283A (en) * | 2016-04-25 | 2016-08-17 | 高节义 | Miniature methane-producing devices |
| CN106145336A (en) * | 2016-06-03 | 2016-11-23 | 高节义 | Urban garbage disposal processes, with livestock and poultry breeding industry feces water, the facility combined |
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| CN106635754A (en) * | 2016-07-05 | 2017-05-10 | 高节义 | Combined methane production apparatus |
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| CN105463048B (en) | 2019-02-26 |
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Effective date of registration: 20231103 Address after: 410000, Floor 02, Building 006, No. 003, Jingwan Road, Jingwanzi Street, Yuhua District, Changsha City, Hunan Province Patentee after: Hunan Air Chemical Products Co.,Ltd. Address before: 241000 12 huolonggang industrial concentration zone, South District, high tech Development Zone, Wuhu City, Anhui Province Patentee before: Hou Guangchao |
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