CN102733872A - Ventilation air methane oxidation power generation system - Google Patents
Ventilation air methane oxidation power generation system Download PDFInfo
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- CN102733872A CN102733872A CN2012102144747A CN201210214474A CN102733872A CN 102733872 A CN102733872 A CN 102733872A CN 2012102144747 A CN2012102144747 A CN 2012102144747A CN 201210214474 A CN201210214474 A CN 201210214474A CN 102733872 A CN102733872 A CN 102733872A
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Abstract
The invention relates to a ventilation air methane oxidation power generation system. The system comprises a ventilation air methane collecting and mixing system, a ventilation air methane oxidation device, an oxidation heat recovery power generation device and a tail gas discharging system. The ventilation air methane collecting and mixing system comprises ventilation air methane wells, a mine gas extraction pump station, shutter type gas collecting covers, a shutter valve with a bypass and electric control valves. The ventilation air methane oxidation device comprises a tower structure, an induced air port, a hot air outlet, and cold air outlets, wherein the tower structure comprises a pressurizing combustion chamber, oxidation reaction beds, pressurizing air chambers and a fuel nozzle. The oxidation heat recovery power generation device comprises an oxidation heat recovery device, a steam turbine and a generating set, and high-temperature flue gas from the ventilation air methane oxidation device enters the oxidation heat recovery device and is recovered to be used for power generation. After the oxidation heat is utilized, the tail gas which almost does not contain methane is discharged into atmosphere through a chimney directly.
Description
Technical field
The present invention relates to the utilization of mine low concentration gas, particularly mine super low concentration gas is carried out oxidation and reaction heat is carried out the weary wind oxidation power generation system that high efficiency thermoelectric transforms.
Background technique
The methane gas of following in the mine production mainly is discharged in the atmosphere through two approach: gas pumping pumping plant and central return air shaft.According to the regulation of " coal-seam gas (coal mine gas) emission standard (provisional) " (GB 21522-2008), the methane volume concentration is higher than 30% necessary utilization of methane gas (being called high concentration gas), forbids direct discharging.And the mash gas extraction concentration of most of mines belongs to the in line scope that allows between 10 ~ 25%, and generally between 0.1 ~ 0.5%, maximum is no more than 0.75% to the gas density of central return air shaft discharging.So this part firedamp drainage always is regards waste gas by emptying, its value never is much accounted of.Mash gas extraction gas, concentration are higher than 10 ~ 15% part, adopt the postcombustion generating of small size gas turbine or internal-combustion engine unit, steam boiler mostly, and domestic Duo Jia has built in the colliery this type gas electricity station successively, and effect well.Practical application finds that the deviation ratio of the fluctuation of gas density and extraction amount is bigger, and generated output is much smaller than design load, but does not influence operation.Concentration is at 4 ~ 10% low concentration gas, and is domestic also among attempting.Since 2000, the utilization technology of low concentration gas (15 ~ 25%) was progressively developed in various places in the process of utilizing coal-seam gas (concentration is at the gas more than 30%), and recuperable methane concentration has been reduced to 4% level.For the methane utilization of 4% following concentration, be the gas (weary wind) below 0.75% especially for accounting for the concentration of total empty discharge capacity more than 75%, then almost be difficult to utilize.This part gas total amount is huge, but concentration is very low, have in addition be lower than 0.1%.According to statistics, the annual weary wind of China's coal-mine methane 100～15,000,000,000 m nearly that enter atmosphere
3, basic not utilization.According to The Statistics (1994) is 19,000,000,000 m
3, the first in the world accounts for 1/3 of Chinese industrial discharging, accounts for 1/3 of world's coal mining discharging.The greenhouse effect of coal mine gas are 21 times of carbon dioxide, and every 1 billion cubic meter methane that utilizes is equivalent to reduce discharging 1,500,000 tons of carbon dioxide.Instantly the following flood tide methane gas of 4% concentration that directly is discharged in the atmosphere is used, destroy, and the reaction heat generating is brought benefits, carbon emission reduction and environmental protection are had of crucial importance and urgent meaning through oxidation.
Summary of the invention
The object of the invention is to provide a kind of weary wind oxidation power generation system; Can the super low concentration gas proportioning of 0.1-0.75% in the mine be become stable concentration flow; Get into oxidation coating afterwards and carry out the oxidation destruction; The heat energy that reaction simultaneously produces is used for the steam turbine efficient power generation, the exportable stable electric current that is easy to be incorporated into the power networks.95% above methane gas will be destroyed in this process, produces the carbon emission reduction benefit.
For achieving the above object, the present invention adopts following technological scheme:
A kind of weary wind oxidation power generation system; Be to utilize the mine low concentration gas to carry out that oxidation destroys and reaction heat is carried out the system that high efficiency thermoelectric transforms; It includes weary elegance collection and hybrid system, weary wind oxidation coating, oxidation heat reclaim electricity generating device and exhaust emissions system; Weary elegance collection is connected with weary wind oxidation coating through pipeline with hybrid system, will lack the wind oxidation coating through the high temperature bypass and be connected with oxidation heat recovery electricity generating device, and the low temperature bypass of weary wind oxidation coating connects the exhaust emissions system.
Wherein, weary wind (VAM) is gathered with hybrid system and is comprised with lower component and device: weary ventilating shaft, coal mine gas extraction pumping plant, louvre type gas skirt, band bypass venetian blind valve and electric control valve.The louvre type gas skirt is installed in ventilating shaft floss hole top; The louvre type gas skirt has bypass venetian blind valve (louver damper); Before electric control valve is positioned at louvre type gas skirt and collection conduits; Ventilating shaft is connected with collecting pipe through collection conduits, and the delivering pipe of collecting pipe and colliery extraction pumping plant is together incorporated the blending pipeline into, is connected with weary wind oxidation coating at last.
Methane volume concentration from the mash gas extraction of colliery extraction pumping plant is at least 4%; Control the weary airduct road of injection through a series of methane supervisory devices; With the concentration of extraction in the ventilating shaft is that the super low concentration gas of 0.1-0.75% mixes, and mixed then weary wind gets in the weary wind oxidation coating.
Preferably, the mash gas extraction (CMM) of colliery extraction pumping plant, its methane volume concentration is 4-30%.
Preferably, mixed weary wind, the methane volume concentration is 0.3-4.0%.
More preferably, mixed weary wind, the methane volume concentration is 0.8-1.5%.
Preferably, collection conduits is a carbon steel material.
Preferably, collecting pipe is a carbon steel material.
Preferably, the blending pipeline is concrete or carbon steel material.
Preferably, aforesaid blending pipeline, it also comprises in damp injector grid, methane detector, flowmeter, thermometer and the pressure transmitter any one or a few.
Preferably, on the delivering pipe of gas pumping pumping plant the methane detector is installed.
Weary wind oxidation coating: it includes tower structure, air-vent, hot-air outlet and cold wind outlet, wherein, comprises pressurized combustion chamber, oxidation reaction bed, supercharging air chamber and burner in the tower structure.The supercharging air chamber is positioned at oxidation reaction bed below, and is connected with cold and hot exhaust outlet with air-vent, and the oxidation reaction bed lays respectively at the both sides of tower body.
Preferably, the shell of tower structure is a steel matter.
Preferably, aforesaid tower structure adopts the Double-Tower Structure design, and it includes oxidation reaction bed, supercharging air chamber, pressurized combustion chamber and burner.
Preferably, aforesaid oxidation reaction bed is a ceramic bed.
Preferably, on the oxidation reaction bed temperature thermocouple is installed.
Oxidation heat reclaims electricity generating device and comprises oxidation heat (waste heat) recovering device, steam turbine and generator set, and the hot flue gas entering oxidation heat recovering device that comes out from weary wind oxidation coating carries out the recovery of oxidation heat, is used in generating then.
Preferably, aforesaid steam turbine, its initial steam pressure are 3.82 ~ 8.83MPa, and throttle (steam) temperature is 450 ~ 540 ℃ a high-temperature steam.
Preferably, generator set is the steam power generator set.
Aforesaid oxidation heat recovering device comprises: preset vaporizer, vaporizer, superheater, economizer and drum.
Preferably, the aforesaid vaporizer that presets includes water cooled furnace wall.
Preferably, aforesaid vaporizer comprises light pipe vaporizer and extended surface tube vaporizer.
The oxidation heat boiler is converted into 3.82 ~ 8.83MPa with high-temperature flue gas, and temperature is 450 ~ 540 ℃ a high-temperature steam, inserts steam turbine through pipeline, and steam turbine can be converted into kinetic energy with the interior of steam, drives generator for electricity generation.The connection that oxidation heat reclaims electricity generating device is those skilled in the art's a common practise, does not repeat them here.
The exhaust emissions system: hot blast and cold wind that weary wind oxidative system produces are discharged respectively through high temperature bypass and low temperature bypass.The oxidation heat that enters into the oxidation hot blast that the high temperature bypass is discharged reclaims electricity generating device and is used for generating.Hot blast becomes cold wind after reclaiming electricity generating device through oxidation heat, and the cold wind of discharging with the low temperature bypass directly is discharged in the atmosphere through chimney, and they have contained methane hardly through peroxidating.
The working principle of weary wind oxidation power generation system: the weary wind in the mine (concentration is 0.1 ~ 0.75%) is collected through the louvre type gas skirt; Collecting the transportation of later weary wind through collection conduits and collecting pipe mixes in pipeline with the mash gas extraction of colliery extraction pumping plant; The inlet of colliery extraction pumping plant mash gas extraction is equipped with the methane detector; Be used for monitoring the methane concentration of gas; The blending pipeline is equipped with damp injector grid, flowmeter, thermometer and pressure transmitter successively, and these devices are used for the mix of detection computations methane.Gas is mixed into concentration in the blending pipeline be to get into oxidation coating behind the weary wind between 0.3～4%.Weary elegance collection is connected with weary wind oxidation coating through carbon steel piping with hybrid system.Before weary wind is introduced into, through burner the oxidation reaction bed is heated at least 900 ℃, burner is flame-out then; Weary wind isolating door is opened, and lets the air inducing fan drive weary wind from bottom to top vertically through the oxidation reaction bed, and tower body is an insulated heat; The oxidation reaction bed keeps high temperature, and when weary wind got into the pressurized combustion chamber of top through first oxidation reaction bed, contained methane was oxidized in moment in the weary wind; (first oxidation reaction bed was because the methane oxidation release heat when release oxygen heat-transmission in the oxidation bed space, the gas in these oxidation heat circumference environment, heated gas entered into second colder oxidation reaction bed; So temperature is higher than second oxidation reaction bed), oxidation bed can effectively absorb heat, as long as the methane concentration in the weary wind is greater than 0.3%; The oxidation heat that produces will be greater than the heat of escaping, and the oxidation heat that is promptly produced also can produce unnecessary heat except satisfying the heat demand of oxidation coating self thermal oxidation environment; According to lacking the poor of wind inlet temperature and delivery temperature, adjustment lacks the flow direction of general mood body in tower, and (left side is entered the right side and gone out to make it replace the adverse current switching-over; The right side is entered a left side and is gone out, checker).Keep the required heat of oxidation reaction when heat that oxidation reaction discharged exceeds, these oxidation heat just reclaim through the oxidation heat recovering device and are used for generating.
Preferably, before weary wind was introduced into, burner was heated to the oxidation reaction bed more than 900 ℃.
Beneficial effect of the present invention is: this system can become concentration flow stable between 0.3～4.0% with super low concentration gas in the mine (weary wind) proportioning; Get into oxidation coating afterwards and carry out the oxidation destruction; The heat energy that reaction simultaneously produces is used for the steam turbine efficient power generation; The exportable stable electric current that is easy to be incorporated into the power networks, 95% above methane gas will be destroyed in this process, produces the carbon emission reduction benefit.Suppose that ventilation air methane concentration is 0.3%, flow is 1,080,000 Nm
3/ h, year processing mine air-lack 9,460,800,000 Nm
3, 1,200,000 tons of CO of annual reduction of greenhouse gas discharge
2Equivalent, year recovery heat 350400GJ, about 200,000,000 degree of year generating.
Description of drawings
Fig. 1 is according to weary wind oxidation power generation system schematic flow sheet of the present invention.
Fig. 2 is the schematic representation according to a preferred embodiment of the structure of of the present invention one weary elegance collection and hybrid system;
Fig. 3 is the structural representation according to a preferred embodiment of of the present invention one weary wind oxidation coating;
Fig. 4 reclaims power generation system figure according to an oxidation heat of the present invention;
Fig. 5 is the schematic representation of a preferred embodiment of exhaust emissions system;
Each unit number is respectively among the figure: 1-lacks ventilating shaft; 2-louvre type gas skirt; The 3-electric control valve; The 4-collection conduits; 5-carbon steel collecting pipe; 6-coal mine gas extraction pumping plant; 7-blending pipeline; 8-gas injector grid; 9-methane detector; 10-methane detector; The 11-flowmeter; The 12-thermometer; The 13-pressure transmitter; 14-lacks the wind oxidation coating; The 15-air-vent; The outlet of 16-cold wind; The 17-hot-air outlet; The 18-tower structure; 19-pressurized combustion chamber; 20-oxidation reaction bed; 21-supercharging air chamber; The 22-burner; The 23-chimney; The 24-preheating evaporator; The 25-superheater; The 26-vaporizer; The 27-economizer; The 28-steam turbine; 29-steam electric power unit; 30-oxidation heat recovering device; A-lacks distinguished and admirable Inbound; B-lacks distinguished and admirable Inbound; The bypass of c-high temperature; The bypass of d-low temperature.
Embodiment
Below in conjunction with accompanying drawing some embodiments of the present invention are done further description:
Comprise weary elegance collection and hybrid system, weary wind oxidation coating, oxidation heat recovery electricity generating device and exhaust emissions system according to the weary blast power generation system of oxidation of the present invention, it is as shown in Figure 1 to connect flow chart.Wherein, a preferred structure of weary elegance collection and hybrid system is as shown in Figure 2, and it comprises weary ventilating shaft 1, louvre type gas skirt 2; Electric control valve 3, collection conduits 4, carbon steel collecting pipe 5, gas pumping pumping plant 6; Blending pipeline 7, damp injector grid 8, methane detector 9; Methane detector 10, flowmeter 11, thermometer 12 and pressure transmitter 13.Louvre type gas skirt 2 is installed in weary ventilating shaft 1 floss hole top; Band bypass venetian blind valve adopts electric actuator to regulate, after electric control valve 3 is installed in gas skirt; Before it is positioned at louvre type gas skirt 2 and collection conduits 4; Weary ventilating shaft 1 is connected with carbon steel collecting pipe 5 through collection conduits 4, and carbon steel collecting pipe 5 is together incorporated blending pipeline 7 into the delivering pipe of coal mine gas extraction pumping plant 6, is connected with the weary wind apparatus 14 of oxidation then; Methane detector 10 is positioned on the delivering pipe of coal mine gas extraction pumping plant, is used to detect the gas implantation concentration of extraction pumping plant.The blending pipeline comprises damp injector grid 8, methane detector, 9, flowmeter 11, thermometer 12 and pressure transmitter 13.Weary wind oxidation coating is shown in accompanying drawing 3, and it comprises air-vent 15, cold wind outlet 16; Hot-air outlet 17 and tower structure 18, this tower structure is a Double-Tower Structure, it includes pressurized combustion chamber 19; Oxidation reaction ceramic bed 20; Supercharging air chamber 21 and burner 22 wherein, are equipped with temperature thermocouple on the oxidation reaction ceramic bed 20.Supercharging air chamber 21 is positioned at oxidation reaction ceramic bed 20 belows; Each supercharging air chamber lower end connects respectively through pipeline and connects air-vent and cold wind outlet; Hot-air outlet is positioned at the tower structure top; And reclaim electricity generating device with oxidation heat as shown in Figure 4 and is connected, oxidation heat recovery electricity generating device comprises: oxidation heat recovering device, steam turbine 28 and group of motors 29, and the oxidation heat recovering device comprises: preset vaporizer 24, superheater 25, vaporizer 26 and economizer 27; The hot flue gas entering oxidation heat recovering device that comes out from weary wind oxidation coating carries out the recovery of oxidation heat through presetting vaporizer 24, superheater 25, vaporizer 26 and economizer 27 successively, is used in generating then.Exhaust emissions system as shown in Figure 5; The low-temperature cold wind of oxidation reaction is discharged to the atmosphere through chimney 23 through low temperature bypass d from the cold wind outlet; High-temperature gas after the oxidation reaction flows out from hot-air outlet; Be connected with oxidation heat recovering device 30 through high temperature bypass c, hot blast is through after the recovering device, through pipeline e through stack emission in atmosphere.
Weary wind in the mine (concentration is 0.1 ~ 0.75%) is collected through the louvre type gas skirt; Flow velocity size during its collection of modulating valve can regulate; Collect the transportation of later weary wind through the carbon steel collecting pipe and be mixed into the blending pipeline with mash gas extraction (concentration is 4 ~ 30%) then; The gas pumping inlet is equipped with the methane detector; Be used to detect the methane concentration of mash gas extraction, the blending pipeline is equipped with damp injector grid, flowmeter, thermometer, methane detector and pressure transmitter successively, is used for the mix of detection computations methane.Gas gets into weary wind oxidation coating after in the blending pipeline, being mixed into the weary wind that concentration is 0.1-4%.Weary elegance collection is connected with weary wind oxidation coating through pipeline with hybrid system.Before weary wind is introduced into, through propane gas burner 22 the oxidation reaction bed is heated to 900-960 ℃, burner is flame-out then; From bottom to top vertically through the oxidation reaction bed, tower body is an insulated heat to weary wind through air-vent, and the oxidation reaction bed keeps high temperature; When weary wind got into the pressurized combustion chamber of top through first oxidation reaction bed, contained methane was oxidized in moment in the weary wind, the release oxygen heat-transmission in the oxidation bed space; Gas in these oxidation heat circumference environment; When heated gas entered into second colder oxidation reaction bed, oxidation bed can effectively absorb heat, as long as the methane concentration in the weary wind reaches 0.3%; The oxidation heat that produces will be greater than the heat of escaping; The oxidation heat that is promptly produced also can produce unnecessary heat except satisfying the heat demand of oxidation coating self thermal oxidation environment, and this oxidative system just can automatic cycle.In order to make two oxidation reaction beds keep the required high temperature of oxidation, guaranteeing both temperature difference greatly about about 60 ℃, and make two oxidation reaction beds keep the required high temperature more than 900 ℃ of oxidation, the inflow direction of the weary wind of conversion at set intervals is from a → b or b → a.Hot blast and cold wind through weary wind oxidative system produces are discharged respectively through high temperature bypass and low temperature bypass.The hot blast that the high temperature bypass is discharged is that the oxidation heat of oxidation reaction enters into oxidation heat and reclaims electricity generating device and be used for oxidation heat and reclaim generating; The hot blast that the high temperature bypass is come out; Through having become cold wind after the waste heat recovering device; The cold wind of discharging with the low temperature bypass directly is discharged in the atmosphere through the chimney of exhaust emissions system, and the gas of discharging contains methane hardly after oxidation.
It will be understood by those skilled in the art that the combination in any that has comprised each part mentioned above according to weary wind oxidation power generation system of the present invention.
The above is merely the preferred embodiments of the present invention, can not limit the present invention, certainly all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all within protection scope of the present invention.
Claims (10)
1. weary wind oxidation power generation system; Be to utilize the mine low concentration gas to carry out that oxidation destroys and reaction heat is carried out the system that high efficiency thermoelectric transforms; It is characterized in that: include weary elegance collection and hybrid system, weary wind oxidation coating, oxidation heat recovery electricity generating device and exhaust emissions system; Weary elegance collection is connected with weary wind oxidation coating through pipeline with hybrid system; To lack the wind oxidation coating through the high temperature bypass and be connected with oxidation heat recovery electricity generating device, the low temperature bypass of weary wind oxidation coating connects the exhaust emissions system.
2. weary wind oxidation power generation system according to claim 1 is characterized in that: mine air-lack collection and hybrid system comprise with lower component and device: weary ventilating shaft (1), louvre type gas skirt (2), band bypass venetian blind valve and electric control valve (3), coal mine gas extraction pumping plant (6); Louvre type gas skirt (2) is installed in ventilating shaft floss hole top; The louvre type gas skirt has bypass venetian blind valve; Electric control valve is positioned at the louvre type gas skirt and collection conduits (4) is preceding; Weary ventilating shaft (1) is connected with collecting pipe through collection conduits (4), and the delivering pipe of collecting pipe and colliery extraction pumping plant is together incorporated blending pipeline (7) into, is connected with weary wind oxidation coating (14) at last.
3. weary wind oxidation power generation system according to claim 2; It is characterized in that: the methane volume concentration of the mash gas extraction of colliery extraction pumping plant is at least 4%; Control the weary airduct road of injection through a series of methane supervisory devices; With the concentration of extraction in the ventilating shaft is that the super low concentration gas of 0.1-0.75% mixes, and mixed then weary wind gets in the weary wind oxidation coating.
4. weary wind oxidation power generation system according to claim 3, it is characterized in that: the methane volume concentration of the mash gas extraction of colliery extraction pumping plant is 4-30%.
5. weary wind oxidation power generation system according to claim 3, it is characterized in that: the methane volume concentration of mixed weary wind is 0.3-4.0%.
6. weary wind oxidation power generation system according to claim 3, it is characterized in that: the methane volume concentration of mixed weary wind is 0.8-1.5%.
7. weary wind oxidation power generation system according to claim 2, it is characterized in that: collection conduits is a carbon steel material.
8. weary wind oxidation power generation system according to claim 2, it is characterized in that: collecting pipe is a carbon steel material.
9. weary wind oxidation power generation system according to claim 2, it is characterized in that: the blending pipeline is concrete or carbon steel material.
10. weary wind oxidation power generation system according to claim 2, it is characterized in that: the blending pipeline also includes any one or a few in damp injector grid, methane detector, flowmeter, thermometer and the pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102144747A CN102733872A (en) | 2012-04-01 | 2012-06-27 | Ventilation air methane oxidation power generation system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094753.4 | 2012-04-01 | ||
| CN201210094753 | 2012-04-01 | ||
| CN2012102144747A CN102733872A (en) | 2012-04-01 | 2012-06-27 | Ventilation air methane oxidation power generation system |
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| CN102733872A true CN102733872A (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203036779U Expired - Lifetime CN202732012U (en) | 2012-04-01 | 2012-06-27 | Ventilation air methane oxidization power generation system |
| CN2012102144747A Pending CN102733872A (en) | 2012-04-01 | 2012-06-27 | Ventilation air methane oxidation power generation system |
| CN2012203032301U Expired - Lifetime CN202735797U (en) | 2012-04-01 | 2012-06-27 | Distributed control system for coal mine ventilation air oxidation generator set |
| CN201210214150.3A Active CN102722164B (en) | 2012-04-01 | 2012-06-27 | Distributed control system for coal mine ventilation air oxidation generator set |
| CN2012203303089U Expired - Lifetime CN202690117U (en) | 2012-04-01 | 2012-07-10 | Ventilation air collecting and mixing system |
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| CN2012203036779U Expired - Lifetime CN202732012U (en) | 2012-04-01 | 2012-06-27 | Ventilation air methane oxidization power generation system |
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| CN2012203032301U Expired - Lifetime CN202735797U (en) | 2012-04-01 | 2012-06-27 | Distributed control system for coal mine ventilation air oxidation generator set |
| CN201210214150.3A Active CN102722164B (en) | 2012-04-01 | 2012-06-27 | Distributed control system for coal mine ventilation air oxidation generator set |
| CN2012203303089U Expired - Lifetime CN202690117U (en) | 2012-04-01 | 2012-07-10 | Ventilation air collecting and mixing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104848674A (en) * | 2015-05-18 | 2015-08-19 | 上海褐美能源科技有限公司 | Coal mine low concentration gas oxidation high temperature hot air and coal slime preparing and drying technology |
| DE102015205516A1 (en) | 2014-12-22 | 2016-06-23 | Dürr Systems GmbH | Apparatus and method for thermal exhaust gas purification |
| CN112324488A (en) * | 2020-10-30 | 2021-02-05 | 中国平煤神马能源化工集团有限责任公司 | System for preparing saturated steam by low-gas high-temperature heat storage oxidation of coal mine |
| CN113375175A (en) * | 2021-07-15 | 2021-09-10 | 北京中矿创智节能科技有限公司 | Coal mine gas regenerative oxidation method |
| CN115247974A (en) * | 2022-07-25 | 2022-10-28 | 华中科技大学 | System and method for thermochemical heat storage by using methane combustion waste heat |
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| CN202732012U (en) * | 2012-04-01 | 2013-02-13 | 浙江亿扬能源科技有限公司 | Ventilation air methane oxidization power generation system |
| WO2017097733A1 (en) * | 2015-12-07 | 2017-06-15 | Dürr Systems Ag | A mixing and processing system of ventilation air methane and coal mine methane |
| CN106020325B (en) * | 2016-06-24 | 2017-12-15 | 华电电力科学研究院 | A kind of energy-saving and emission-reduction method based on control valve opening heat consumption rate curve |
| CN107143420A (en) * | 2017-05-09 | 2017-09-08 | 阮秀梅 | A kind of coal mine gas integrated application device |
| CN107387155A (en) * | 2017-09-11 | 2017-11-24 | 中煤科工集团重庆研究院有限公司 | Automatic coal bed gas blending control system and regulation and control method |
| CN108916654A (en) * | 2018-07-13 | 2018-11-30 | 平安开诚智能安全装备有限责任公司 | A kind of safe mixing device of ultralow concentration gas and method |
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| DE102015205516A1 (en) | 2014-12-22 | 2016-06-23 | Dürr Systems GmbH | Apparatus and method for thermal exhaust gas purification |
| EP3237802A1 (en) * | 2014-12-22 | 2017-11-01 | Dürr Systems AG | Device and method for thermal exhaust gas cleaning |
| US10429066B2 (en) | 2014-12-22 | 2019-10-01 | Dürr Systems Ag | Apparatus and method for thermal exhaust gas purification |
| CN104848674A (en) * | 2015-05-18 | 2015-08-19 | 上海褐美能源科技有限公司 | Coal mine low concentration gas oxidation high temperature hot air and coal slime preparing and drying technology |
| CN112324488A (en) * | 2020-10-30 | 2021-02-05 | 中国平煤神马能源化工集团有限责任公司 | System for preparing saturated steam by low-gas high-temperature heat storage oxidation of coal mine |
| CN113375175A (en) * | 2021-07-15 | 2021-09-10 | 北京中矿创智节能科技有限公司 | Coal mine gas regenerative oxidation method |
| CN113375175B (en) * | 2021-07-15 | 2022-08-09 | 北京中源博智节能科技有限公司 | Coal mine gas regenerative oxidation method |
| CN115247974A (en) * | 2022-07-25 | 2022-10-28 | 华中科技大学 | System and method for thermochemical heat storage by using methane combustion waste heat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202690117U (en) | 2013-01-23 |
| CN102722164B (en) | 2014-04-09 |
| CN202735797U (en) | 2013-02-13 |
| CN202732012U (en) | 2013-02-13 |
| CN102722164A (en) | 2012-10-10 |
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