CN104481576A - Coal mine gas low emission catalytic oxidation heat supply system - Google Patents
Coal mine gas low emission catalytic oxidation heat supply system Download PDFInfo
- Publication number
- CN104481576A CN104481576A CN201410635748.9A CN201410635748A CN104481576A CN 104481576 A CN104481576 A CN 104481576A CN 201410635748 A CN201410635748 A CN 201410635748A CN 104481576 A CN104481576 A CN 104481576A
- Authority
- CN
- China
- Prior art keywords
- coal mine
- catalytic
- mine gas
- coal
- low emission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chimneys And Flues (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a coal mine gas low emission catalytic oxidation heat supply system. The coal mine gas low emission catalytic oxidation heat supply system comprises a fire coal heat exchanger, a catalytic reactor and a waste heat boiler, wherein the fire coal heat exchanger is connected with the catalytic reactor and the waste heat boiler in sequence through a pipeline. The coal mine gas low emission catalytic oxidation heat supply system is characterized in that the catalytic reactor comprises a housing, a stage type catalytic reactor used to enable coal mine gas to react and a carton fixing plate used to absorb carbon dioxide generated in reaction are sequentially arranged in the housing from top down, the stage type catalytic reactor comprises an upper segment and a lower segment, the lower segment is a precious metal catalytic segment, and the upper segment is a hexaaluminate catalytic segment or/and a perovskite catalytic segment. The coal mine gas low emission catalytic oxidation heat supply system is stable in burning, safe and reliable, long in burning life, and suitable for continuous treatment of the coal mine gas.
Description
Technical field
The invention belongs to device for treating gas in cool mine field, more specifically, relate to a kind of coal mine gas low emission catalytic oxidation heating system.
Background technology
Methane is a kind of greenhouse gases, 21 times of its greenhouse effect carbon dioxide, and the share in global warming is 15%, is only second to carbon dioxide.At present, China, every year because the methane of discharge of mining is more than 200 billion cubic meters, accounts for 45% of world's coal mining discharge methane total amount, exceedes the total amount of natural gas transfering natural gas from the west to the east first phase.Wherein about the methane of billion cubic meter more than 150 enters air by coal mine gas.If coal mine gas is all processed, 1000 ~ 1,500 ten thousand tons of crude oil or more than 2000 ~ 3,000 ten thousand tons of coals about can be amounted to.
The Major Difficulties that coal mine gas (Ventilation Air Methane is called for short VAM) utilizes is that throughput is large, and in gas, the concentration of methane is very low, instability of flow.Due to the great potential that coal mine gas has, Australia, the U.S., Canada etc. have all carried out research to it and have utilized, and studies in China is still in the starting stage.Administering and utilize coal mine gas, is the urgent task that current China faces.
Low-concentration methane is higher due to initiation temperature, need reach 1250K, and under catalyst action, the autoignition temperature of methane reduces, and can be low to moderate 650K.Therefore coal mine gas catalytic oxidation more and more receives publicity.The advantage of this technology is can be oxidized methane thin in coal mine gas at a lower temperature, and carries out interchange of heat at desirable temperature, thus carries out trans-utilization to energy.And the reduction of autoignition temperature, can increase the stability of system, durability, ignition temperature reduction simultaneously can make amount of nitrogen oxides in product reduce.Is generally only by methane oxidation in existing application, does not process its product, its combustion reaction heat also could not more good utilisation simultaneously, is just reduced discharging by coal mine gas, and does not realize the zero-emission of greenhouse gases.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of zero-emission coal mine gas catalytic oxidizing equipment, and the waste heat produced after catalytic oxidation is utilized, to reach the saving of protection of the environment and the energy.
For achieving the above object, according to one aspect of the present invention, provide a kind of coal mine gas low emission catalytic oxidation heating system, comprise coal-fired heat exchanger, catalytic reactor and waste heat boiler, coal-fired heat exchanger connects catalytic reactor and waste heat boiler successively by pipeline, described catalytic reactor comprises shell, the stagewise catalytic reaction body for making coal mine gas react and the solid carbon plate for the carbon dioxide absorption by reaction generation is disposed with from the bottom up in described shell, described stagewise catalytic reaction body comprises two sections, hypomere is precious metal catalyst section, epimere is that hexa-aluminate catalytic section is or/and Perovskite Catalytic section.
Preferably, the below of described stagewise catalytic reaction body is provided with the first heat storage.
Preferably, the coal mine gas entrance of described shell is provided with deflector, and described first heat storage is between deflector and stagewise catalytic reaction body.
Preferably, also supervising device is comprised; Be provided with the first temperature pick up between described deflector and the first heat storage, the first temperature pick up is connected with supervising device.
Preferably, also supervising device is comprised; Be provided with the second temperature pick up between described stagewise catalytic reaction body and the first heat storage, the second temperature pick up is connected with supervising device.
Preferably, the second heat storage is provided with between described stagewise catalytic reaction body and solid carbon plate.
Preferably, described coal-fired heat exchanger comprise for combusting coal fines burner hearth, for air is introduced burner hearth blast fan, be used for coal mine gas and coal dust firing produces the contra-flow heat exchanger of high-temperature flue gas heat exchange and is used for tail gas being sent into again the circulating fan that contra-flow heat exchanger carries out heat recycling.
Preferably, also supervising device is comprised; Be provided with flow meter in described catalytic reactor, flow meter is positioned at the below of stagewise catalytic reaction body, and flow meter is connected with supervising device.
Preferably, the cyclone separator for separating of solid particle and gas is provided with between described stagewise catalytic reaction body and waste heat boiler.
Preferably, also supervising device is comprised; Between described coal-fired heat exchanger and stagewise catalytic reaction body, the first concentration sensor is set, be provided with the second concentration sensor between described stagewise catalytic reaction body and waste heat boiler, described first concentration sensor is all connected with supervising device with the second concentration sensor.
In general, the above technical scheme conceived by the present invention compared with prior art, by adopting stagewise catalytic reaction body to carry out catalytic oxidation and the solid carbon plate absorbing carbon dioxide of use to coal mine gas, can obtain following beneficial effect:
1) coal mine gas catalytic oxidation heating system flameholding of the present invention, safe and reliable, burning life is long, can be used for the continuous process of coal mine gas;
2) environmental protection of the present invention, first realizes complete reaction by methane in coal mine gas, is fixed simultaneously, reduces greenhouse gas emission to the carbon dioxide in product.Catalyzer reduces reaction temperature, avoids NO_x formation;
3) the present invention adopts fractional order reaction, reduces reaction temperature on the one hand, widens concentration limit, arranges that perovskite catalyst can avoid the shortcoming of noble metal catalyst high temperature easy in inactivation on the other hand, enhancing reactor stream time during high temperature;
4) the present invention is utilized waste heat by waste heat boiler, exhaust-heat boiler inlet temperature is maintained in its condition range, increases economic efficiency, avoid energy waste.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1, a kind of coal mine gas low emission catalytic oxidation heating system, comprise supervising device 24, coal-fired heat exchanger 1, catalytic reactor 4 and waste heat boiler 11, coal-fired heat exchanger 1 connects catalytic reactor 4 and waste heat boiler 11 successively by pipeline, described catalytic reactor 4 comprises shell 32, is disposed with the stagewise catalytic reaction body 7 for making coal mine gas react and the solid carbon plate 9 for the carbon dioxide absorption by reaction generation in described shell 32 from the bottom up.According to the situation shown in Fig. 1, the flow direction of coal mine gas in catalytic reactor 4 flows from the bottom up, and it is first by stagewise catalytic reaction body 7, then by solid carbon plate 9, the lower end of catalytic reactor 4 is provided with the entrance of coal mine gas.
Described stagewise catalytic reaction body 7 comprises two sections, hypomere is precious metal catalyst section, adopt noble metal catalyst in precious metal catalyst section, epimere be hexa-aluminate catalytic section or/and Perovskite Catalytic section, employing be hexa-aluminate catalyzer or perovskite catalyst.Catalyzer can adopt sol-gal process and infusion process to be carried on honeycomb ceramic carrier.
Catalyst reaction section uses multi-segment structure, and hypomere uses noble metal catalyst Pt, Pd etc., is conducive to reacting with the adsorb oxygen of perovskite integral formula catalyst surface in the hexa-aluminate of epimere or Perovskite Catalytic combustion chamber, promotes catalytic reaction.Epimere uses hexa-aluminate or/and catalyzer such as perovskites, so both make use of the advantage that noble metal catalyst initiation temperature is low, make use of again the advantage of perovskite Heat stability is good, extend the application life of catalytic reactor 4.
The below of described stagewise catalytic reaction body 7 is provided with the first heat storage 6, and the coal mine gas entrance of described shell 32 is provided with deflector 5, and described first heat storage 6 is between deflector 5 and stagewise catalytic reaction body 7.Be provided with the first temperature pick up 25, first temperature pick up 25 between described deflector 5 and the first heat storage 6 to be connected with supervising device 24.Be provided with the second temperature pick up 26, second temperature pick up 26 between described stagewise catalytic reaction body 7 and the first heat storage 6 to be connected with supervising device 24.The second heat storage 8 is provided with between described stagewise catalytic reaction body 7 and solid carbon plate 9.
Described coal-fired heat exchanger 1 is the product of existing comparative maturity, it comprise for combusting coal fines burner hearth 2, for air is introduced burner hearth 2 blast fan 21, be used for coal mine gas and coal dust firing produces the contra-flow heat exchanger 3 of high-temperature flue gas heat exchange and is used for tail gas being sent into again the circulating fan 22 that contra-flow heat exchanger 3 carries out heat recycling, its Main Function heats the coal mine gas passing into system.Described coal-fired heat exchanger 1 is connected with exhaust gas processing device 23, when such tail gas enters in air, just smaller to the pollution of environment.
In addition, be provided with the cyclone separator 10 for separating of solid particle and gas between described stagewise catalytic reaction body 7 and waste heat boiler 11, the solid carbon agent particle so admittedly on carbon plate 9 is just not easy to be brought in waste heat boiler 11 by gas.
First concentration sensor 29 is set between described coal-fired heat exchanger 1 and stagewise catalytic reaction body 7, the second concentration sensor 30 is provided with between described stagewise catalytic reaction body 7 and waste heat boiler 11, described first concentration sensor 29 is all connected with supervising device 24 with the second concentration sensor 30, the concentration of the coal mine gas of turnover catalytic reactor 4 can be monitored so in real time, so that regulate the coal dust amount in coal-fired heat exchanger 1, thus the flue gas of generation is made to carry out heat exchange with the coal mine gas in coal-fired heat exchanger 1 better.Because the concentration entering the coal mine gas in coal-fired heat exchanger 1 time initial is somewhat unstable, therefore need the concentration of the gas of monitoring turnover catalytic reactor 4.
Native system can be built at its periphery in direct supporting colliery.This system can process the coal mine gas of low concentration continuously, and absorbs the carbon dioxide of burning and exhausting, realizes the zero-emission of greenhouse gases.Heat-exchanger rig preheating thermal source is provided by fire coal, and the reaction end gas after coal mine gas carries out catalytic oxidation in catalytic reactor 4 enters waste heat boiler 11 and utilizes.
Air is introduced in burner hearth 2 by blast fan 21 by described coal-fired heat exchanger 1, coal dust firing in the burner hearth 2 sprayed into, the high-temperature flue gas formed enters contra-flow heat exchanger 3, heat exchange is carried out with the coal mine gas initially passing into heating system, the part of smoke that after heat exchange, temperature reduces is sent into mixing chamber through circulating fan 22 and is mixed with high-temperature flue gas, carries out flue gas recirculation, reduces heat loss due to exhaust gas, improve the thermal efficiency of coal-fired heat exchanger 1, final tail gas enters exhaust gas processing device 23 and processes.
After coal mine gas enters catalytic reactor 4, carry out catalytic oxidation respectively to react with solid carbon, coal mine gas after the preheating of coal-fired heat exchanger 1 is through deflector 5, afterwards by the first heat storage 6, segmented catalyst reaction section, the second heat storage 8, after complete reaction, carbon dioxide is attracted and carries out solid carbon.
Gu carbon plate 9 comprises plate body, plate body is placed solid carbon agent, flue gas enters cyclone separator 10, Gu carbon agent drops on plate body again, thus can realize recycling solid carbon agent.
Waste heat boiler 11 is more common a kind of boilers.Waste heat boiler 11 in the present invention comprises by-pass damper 12, chimney bypass 13, flue 14, superheater 15, the first evaporimeter 16, second evaporimeter 17, economizer 18, preheater 19, drum 20, gas after complete catalytic reaction enters waste heat boiler 11, after it enters flue 14, utilizes respectively through superheater 15, first evaporimeter 16, second evaporimeter 17, economizer 18.
The tail gas that coal-fired heat exchanger 1 produces and the tail gas that waste heat boiler 11 discharges enters in air after all will process.
Supervising device 24 passes in and out the gas concentration of catalytic reactor 4 by the first concentration sensor 29 and the monitoring in real time of the second concentration sensor 30, its by the first temperature pick up 25 monitoring enter coal mine gas in the first heat storage 6 temperature, monitored the gas temperature entered in stagewise catalytic reaction body 7 by the second temperature pick up 26, in addition, also be provided with three-temperature sensor 27 and the 4th temperature pick up 28 in catalytic reactor 4, be respectively used to monitoring in real time and enter the gas temperature of the second heat storage 8 and the gas temperature in solid carbon plate 9.By the first temperature pick up the 25 ~ four temperature pick up 28, the gas temperature in catalytic reactor 4 can be known in real time, and then the coal dust amount of coal-fired heat exchanger 1 can be regulated, to make in coal-fired heat exchanger 1 temperature of coal mine gas out reach predetermined temperature range.
First heat storage 6 and the second heat storage 8 can effectively be avoided, because coal mine gas concentration changes greatly, causing gas temperature fluctuation range excessive, Gu carbon efficiencies, waste heat boiler 11 thermal efficiency reduce.
In addition, be also provided with flow meter 31 in catalytic reactor 4, flow meter 31 is positioned at the below of stagewise catalytic reaction body 7, for detecting the flow velocity of the coal mine gas through stagewise catalytic reaction body 7.Flow meter 31 is connected with supervising device 24.The flow velocity of coal mine gas can not be too high, otherwise too large by the amount of the coal mine gas of precious metal catalyst section catalysis, and heat release can be a lot, easily make the temperature of precious metal catalyst section be too high and active reduction.
The course of work of this heating system is as follows:
The high-temperature flue gas that first coal mine gas produces through coal-fired heat exchanger 1 and coal dust firing carries out heat exchange, reach 700K ~ 800K, then coal mine gas enters catalytic reactor 4, the first heat storage 6 is entered after deflector 5, utilize the performance that the first heat storage 6 heat capacity is high, reduce the temperature fluctuation of coal mine gas, regulate the gas temperature difference of turnover first heat storage 6, the gas temperature of outflow first heat storage 6 is made to remain on a more stable value, even if the temperature entering the coal mine gas of stagewise catalytic reaction body 7 can maintain about about 750K; Coal mine gas enters integral catalyzer after flowing out the first heat storage 6, and coal mine gas first contacts with the noble metal catalyst of hypomere, and initial reaction generates methyl, CO, H
2the first set reaction gas such as O, to improve the temperature of first set reaction gas, after then first set reaction gas continues again to rise and the perovskite catalyst of epimere react, realize complete reaction, after reaction, generate CO
2deng gas, the bond energy 413kJ/mol of c h bond, methane concentration is from 0.2% to 0.8%, and thermal insulation warming Δ T rises to 180K by 45K, and the gas temperature after complete reaction can reach about 900K, and it is again through solid carbon plate 9, CO wherein
2absorbed by solid carbon agent, the present invention arranges solid carbon plate 9 above catalytic reactor 4, Gu CaO is selected in carbon agent, when gas temperature is 900K, the solid carbon efficiencies of CaO is about 80%, and greenhouse gases are close to zero-emission.Then remaining gas is H
2o, O
2and N
2deng, enter waste heat boiler 11 after the gas outflow catalytic reactor 4 of this part 900K and realize UTILIZATION OF VESIDUAL HEAT IN, the waste heat boiler 11 of current most of model has higher operating efficiency in this temperature range.
Compared with prior art, tool of the present invention has the following advantages:
1), coal mine gas catalytic oxidation heating system flameholding of the present invention, safe and reliable, burning life is long, can be used for the continuous process of coal mine gas.
2), environmental protection of the present invention, first methane in coal mine gas is realized complete reaction, be fixed simultaneously, reduce greenhouse gas emission to the carbon dioxide in product, catalyzer reduces its ignition temperature, avoids NO_x formation.
3), the present invention adopts fractional order reaction, reduces reaction temperature on the one hand, widens concentration limit, arranges that perovskite catalyst can avoid the shortcoming of noble metal catalyst high temperature easy in inactivation on the other hand, enhancing reactor stream time during high temperature.
4), the present invention by honeycomb heat accumulation body in reasonable Arrangement burner, make reactor have certain self-regulating function, when coal mine gas concentration changes greatly, heat storage regulates preheat temperature and exhaust temperature by heat release and heat absorption.
5), the present invention utilizes waste heat, according to coal mine gas concentration by regulating preheat temperature, waste heat boiler 11 inlet temperature being maintained in its condition range, increases economic efficiency, avoid energy waste.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a coal mine gas low emission catalytic oxidation heating system, it is characterized in that: comprise coal-fired heat exchanger (1), catalytic reactor (4) and waste heat boiler (11), coal-fired heat exchanger (1) connects catalytic reactor (4) and waste heat boiler (11) successively by pipeline, it is characterized in that: described catalytic reactor (4) comprises shell (32), the stagewise catalytic reaction body (7) for making coal mine gas react and the solid carbon plate (9) for the carbon dioxide absorption by reaction generation is disposed with from the bottom up in described shell (32), described stagewise catalytic reaction body (7) comprises two sections, hypomere is precious metal catalyst section, epimere is that hexa-aluminate catalytic section is or/and Perovskite Catalytic section.
2. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 1, is characterized in that: the below of described stagewise catalytic reaction body (7) is provided with the first heat storage (6).
3. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 2, it is characterized in that: the coal mine gas entrance of described shell (32) is provided with deflector (5), described first heat storage (6) is positioned between deflector (5) and stagewise catalytic reaction body (7).
4. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 3, is characterized in that: also comprise supervising device (24); Be provided with the first temperature pick up (25) between described deflector (5) and the first heat storage (6), the first temperature pick up (25) is connected with supervising device (24).
5. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 2, is characterized in that: also comprise supervising device (24); Be provided with the second temperature pick up (26) between described stagewise catalytic reaction body (7) and the first heat storage (6), the second temperature pick up (26) is connected with supervising device (24).
6. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 1, is characterized in that: be provided with the second heat storage (8) between described stagewise catalytic reaction body (7) and solid carbon plate (9).
7. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 1, is characterized in that: described coal-fired heat exchanger (1) comprise for combusting coal fines burner hearth (2), for air is introduced burner hearth (2) blast fan (21), produce the contra-flow heat exchanger (3) of high-temperature flue gas heat exchange for coal mine gas and coal dust firing and carry out the circulating fan (22) of heat recycling for tail gas being sent into again contra-flow heat exchanger (3).
8. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 1, is characterized in that: also comprise supervising device (24); Flow meter (31) is provided with in described catalytic reactor (4), flow meter (31) is positioned at the below of stagewise catalytic reaction body (7), and flow meter (31) is connected with supervising device (24).
9. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 1, is characterized in that: be provided with the cyclone separator (10) for separating of solid particle and gas between described stagewise catalytic reaction body (7) and waste heat boiler (11).
10. a kind of coal mine gas low emission catalytic oxidation heating system according to claim 1, is characterized in that: also comprise supervising device (24); Between described coal-fired heat exchanger (1) and stagewise catalytic reaction body (7), the first concentration sensor (29) is set, be provided with the second concentration sensor (30) between described stagewise catalytic reaction body (7) and waste heat boiler (11), described first concentration sensor (29) is all connected with supervising device (24) with the second concentration sensor (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635748.9A CN104481576A (en) | 2014-11-12 | 2014-11-12 | Coal mine gas low emission catalytic oxidation heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635748.9A CN104481576A (en) | 2014-11-12 | 2014-11-12 | Coal mine gas low emission catalytic oxidation heat supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104481576A true CN104481576A (en) | 2015-04-01 |
Family
ID=52756168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410635748.9A Pending CN104481576A (en) | 2014-11-12 | 2014-11-12 | Coal mine gas low emission catalytic oxidation heat supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104481576A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781608A (en) * | 2016-04-13 | 2016-07-20 | 山东理工大学 | Electronic control adjusting type intake and exhaust guide system of double-reaction-chamber preheating catalytic oxidation device |
| CN105863721A (en) * | 2016-04-13 | 2016-08-17 | 山东理工大学 | Dual reaction chamber mechanical regulation type air intake and exhaust guide system of pre-heating catalytic oxidation device |
| CN109372512A (en) * | 2018-11-20 | 2019-02-22 | 中国矿业大学 | A kind of bastard coal and gas resources distribution type high efficient utilize method |
| CN109701372A (en) * | 2018-12-28 | 2019-05-03 | 李强 | Coal mine pump drainage low concentration gas heat source sled |
| CN110822458A (en) * | 2019-10-21 | 2020-02-21 | 山西大学 | Low-concentration gas steady-state catalytic oxidation device for waste heat step utilization |
| CN111549198A (en) * | 2020-04-30 | 2020-08-18 | 中国科学院力学研究所 | Method for self-sustaining combustion of converter diffused gas based on perovskite type catalyst |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435338A (en) * | 2008-12-17 | 2009-05-20 | 胜利油田胜利动力机械集团有限公司 | Coal mine low concentration mash gas methane destroying method and apparatus |
| CN101839472A (en) * | 2010-04-16 | 2010-09-22 | 萧琦 | Method for reclaiming heat of ventilated gas oxidation device |
| CN101900488A (en) * | 2010-07-01 | 2010-12-01 | 山东理工大学 | Furnace liner for vertical coal mine ventilation air methane oxidation device |
| CN101915117A (en) * | 2010-06-25 | 2010-12-15 | 中国矿业大学 | Coal mine methane gas oxidation device |
| CN204267081U (en) * | 2014-11-12 | 2015-04-15 | 华中科技大学 | A kind of coal mine gas low emission catalytic oxidation heating system |
-
2014
- 2014-11-12 CN CN201410635748.9A patent/CN104481576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435338A (en) * | 2008-12-17 | 2009-05-20 | 胜利油田胜利动力机械集团有限公司 | Coal mine low concentration mash gas methane destroying method and apparatus |
| CN101839472A (en) * | 2010-04-16 | 2010-09-22 | 萧琦 | Method for reclaiming heat of ventilated gas oxidation device |
| CN101915117A (en) * | 2010-06-25 | 2010-12-15 | 中国矿业大学 | Coal mine methane gas oxidation device |
| CN101900488A (en) * | 2010-07-01 | 2010-12-01 | 山东理工大学 | Furnace liner for vertical coal mine ventilation air methane oxidation device |
| CN204267081U (en) * | 2014-11-12 | 2015-04-15 | 华中科技大学 | A kind of coal mine gas low emission catalytic oxidation heating system |
Non-Patent Citations (1)
| Title |
|---|
| 李强等: "乏风瓦斯催化氧化燃烧燃气轮机", 《中州煤炭》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781608A (en) * | 2016-04-13 | 2016-07-20 | 山东理工大学 | Electronic control adjusting type intake and exhaust guide system of double-reaction-chamber preheating catalytic oxidation device |
| CN105863721A (en) * | 2016-04-13 | 2016-08-17 | 山东理工大学 | Dual reaction chamber mechanical regulation type air intake and exhaust guide system of pre-heating catalytic oxidation device |
| CN105863721B (en) * | 2016-04-13 | 2018-03-27 | 山东理工大学 | Dual-reaction chamber preheats catalytic oxidizing equipment mechanical conditioning type intake and exhaust flow guide system |
| CN105781608B (en) * | 2016-04-13 | 2018-08-10 | 山东理工大学 | Dual-reaction chamber preheats the automatically controlled adjustable type intake and exhaust flow guide system of catalytic oxidizing equipment |
| CN109372512A (en) * | 2018-11-20 | 2019-02-22 | 中国矿业大学 | A kind of bastard coal and gas resources distribution type high efficient utilize method |
| CN109701372A (en) * | 2018-12-28 | 2019-05-03 | 李强 | Coal mine pump drainage low concentration gas heat source sled |
| CN110822458A (en) * | 2019-10-21 | 2020-02-21 | 山西大学 | Low-concentration gas steady-state catalytic oxidation device for waste heat step utilization |
| CN111549198A (en) * | 2020-04-30 | 2020-08-18 | 中国科学院力学研究所 | Method for self-sustaining combustion of converter diffused gas based on perovskite type catalyst |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104481576A (en) | Coal mine gas low emission catalytic oxidation heat supply system | |
| CN101206027B (en) | Method for steady operation of low concentration firedamp gas switching catalytic reaction | |
| US9857125B2 (en) | Denitration and waste heat recovery integrated furnace | |
| Yin et al. | Thermodynamic characteristics of a low concentration methane catalytic combustion gas turbine | |
| CN104174265B (en) | The method of carbon system reducing agent SCR denitration technology abatement high-temperature calcination NOx | |
| CN1959208A (en) | Boiler system of circulating fluid bed burning in oxygen enrichment | |
| CN204267081U (en) | A kind of coal mine gas low emission catalytic oxidation heating system | |
| CN203810391U (en) | Novel ultra-low emission power generation system by burning low-calorific value fuel | |
| CN203549800U (en) | Multistage-combustion novel circulating fluidized bed furnace | |
| CN105091001B (en) | A kind of waste gas burning processing equipment | |
| CN105222129A (en) | A kind of coal-fired burning chemistry chains separation of C O of the pure oxygen gasification that is coupled 2method | |
| CN110314543A (en) | Dirt arrangement SCR denitration device and technique in a kind of cement kiln | |
| CN103884013A (en) | Combustion method and device of coupled environment-friendly fluidized bed boiler | |
| CN102537945B (en) | Burning system and flue gas system for circulating fluidized bed boiler | |
| Li et al. | Calcium sulfation characteristics at high oxygen concentration in a 1MWth pilot scale oxy-fuel circulating fluidized bed | |
| CN200975664Y (en) | Oxygen-enriched combustion circulating fluid bed boiler system | |
| Ji et al. | Effect of post-combustion air distribution on NOx original emission and combustion characteristics of 75 t/h coal slime circulating fluidized bed boiler | |
| CN110486717A (en) | It is a kind of to mix the CFB boiler system for burning waste gas and waste liquid | |
| CN204395745U (en) | A kind of clean exhaust system for fluidized-bed combustion boiler | |
| CN102012057B (en) | Boiler heating device with organic heat carrier of high efficiency, energy saving, environmental protection and gas liquid two-phase | |
| CN211451900U (en) | Low-energy-consumption SCR denitration system for chain grate-rotary kiln pelletizing equipment | |
| CN102734791B (en) | Process for activating grate-fired flying ash semi-coke and catalytically reducing nitric oxide in boiler | |
| CN205842694U (en) | A kind of low NOx incinerator processing nitrogenous waste gas, waste liquid | |
| CN112275108B (en) | Sintering flue gas cooperative treatment system, flue gas treatment method and application | |
| CN103968673A (en) | Waste heat utilization device of tail gas of Serp activation furnace and tail gas utilization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |