CN103160325A - Technological method for direct production of coal gas by microwaves and device - Google Patents
Technological method for direct production of coal gas by microwaves and device Download PDFInfo
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- CN103160325A CN103160325A CN2011104181568A CN201110418156A CN103160325A CN 103160325 A CN103160325 A CN 103160325A CN 2011104181568 A CN2011104181568 A CN 2011104181568A CN 201110418156 A CN201110418156 A CN 201110418156A CN 103160325 A CN103160325 A CN 103160325A
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Abstract
The invention discloses a method for direct production of coal gas by a microwave process. According to the method, pulverized coal and CO2 are taken as raw materials, microwaves are adopted as energy, and silicon carbide is heated by the microwaves so as to obtain a high temperature heat source for generating coal gas; the silicon carbide is placed in the heat preservation cavity of a microwave cavity, the heat preservation cavity serves as a thermal insulating layer between the silicon carbide and the microwave cavity, and is made of a microwave transmissive alumina ceramic material; the CO2 gas and the pulverized coal are mixed, the mixture then passes the microwave heating cavity, and transforms into CO coal gas directly under the effect of the high temperature heat source formed by microwaves and silicon carbide ceramics, and then after a dust removal treatment, the coal gas is converted to commercial coal gas; specifically, the coal gas reaction region high temperature environment formed by the silicon carbide is kept constant, and after the CO2 gas and the pulverized coal are mixed, the concentration and flow velocity are maintained constant. A device provided in the invention includes: a pulverized coal inlet, a CO2 gas inlet, a mixing region, an air inlet pipe, the microwave heating cavity, a microwave source, the alumina ceramic cavity, a silicon carbide structural member, an airway, a fan, a cyclone dust collector, a coal gas duct, and a return pipe. The method provided in the invention can significantly improve cola gas production stability, efficiency and quality.
Description
Technical field
The present invention relates to a kind of gas production technique and device, relate in particular to a kind of processing method and device of microwave method direct production coal gas.
Technical background
Coal gas is as a kind of clean energy fuel, and is more clean and efficient than fire coal, and its production method and technical progress just progressively improve, and the principal reaction formula of traditional gas production is as follows:
O
2+C→2CO
2+Q (1)
CO
2+C→2CO-Q (2)
H
2O+C→H
2+CO-Q (3)
2H
2O+C→CO
2+2H
2-Q (4)
Wherein:
O
2: represent oxygen
C: represent carbon
CO
2: represent carbonic acid gas
H
2O: represent water
-Q: representative absorbs heat
+ Q: heat is emitted in representative
In traditional method, the coal dust that is rich in carbon is passed in producer gas generator produces heat and carbonic acid gas, the water vapour that then passes into, air in coal-gas producer with coal dust, carbonic acid gas generation thermo-negative reaction and produce coal gas.The main heat energy of gas production is from the carbon content in coal liberated heat that burns, as above-mentioned equation (1), all the other equations (2), (3), (4) are all the reactions that consumes heat energy, the energy consumption limit of thermo-negative reaction equation when unique thermopositive reaction of equation (1) has determined coal gas generation thereafter; Due to reaction zone heat energy supply unstable, the temperature control difficulty is large, causes the coal gas formation efficiency low, generates in gas the inflammable gas ratio low, causes gas quality unstable.
Patent CN 101307259A (a kind of gas producing device and method) provides a kind of microwave gas producing device and method, set up microwave source outside the reaction zone sidewall, heat carbon raw material and carbon dioxide reaction by microwave plus silicon carbide heat structure, to generate carbon monoxide; As shown in Figure 1.Wherein: mixing zone 100B, raw material coal dust import 110B, CO
2Inlet mouth 120B, reaction zone 200B, microwave source 210B, porous barrier 250B, gas exit 220B, microwave protection district 300B.The heat energy that the method generates coal gas all adopts microwave power supply to provide, but silicon carbide directly is placed on the coal gas reaction zone that forms in microwave heating chamber, the 500-1500 ℃ of high temperature that silicon carbide forms will directly conduct to the metallic reactors metal shell, metal shell as micro-wave screening at high temperature can react with microwave generation heat, makes metallic cavity melt, be out of shape, damage; Both a large amount of microwave energies of loss, shortened again service life of equipment, and the cost that makes coal gas generate significantly increases, and equipment dependability also significantly reduces, and makes this equipment be not suitable for large-scale promotion.
Summary of the invention
Purpose of the present invention is exactly to solve microwave gas producing device that existing patent provides and the defective of method, can use this patent method with technological method and the device of microwave direct production coal gas.
A first aspect of the present invention, a kind of microwave direct production processing method of coal gas: adopt coal dust and CO
2Be raw material, micro-wave energy is the energy, obtains to generate the stable high temperature heat source of coal gas by MICROWAVE HEATING OF SILICON-CARBIDE; Silicon carbide is placed in the incubation cavity of microwave cavity, and this incubation cavity is as the insulating between silicon carbide and microwave cavity, and it is that a kind of microwave alumina ceramic material consists of; CO
2By microwave heating chamber, under the high temperature heat source effect of microwave and silicon carbide ceramics, directly become CO coal gas after gas and coal dust mix, then be converted to commercial coal gas through dust removal process; It is constant that the coal gas conversion zone hot environment that silicon carbide wherein forms keeps, CO
2After gas and coal dust mix, concentration and flow velocity keep constant.Present method can significantly improve coal gas aerogenesis stability, efficient and quality.
Technical problem to be solved by this invention can be achieved by following technical solution:
As a first aspect of the present invention, a kind of microwave direct production processing method of coal gas is characterized in that, comprises the following steps:
(1) add respectively coal dust and CO to each entrance of microwave coal-gas producer body of heater
2Gas;
(2) coal dust and CO
2Gas pressurizes by blower fan after mixing zone 100B mixes, and enters microwave heating chamber 200A by admission passage 150, accepts the microwave heating chamber effect;
(3) mixed gas first passes the metal shell of microwave cavity 200A, then passes aluminum oxide chamber 300 walls and enters coal gas reaction zone 200B in the aluminum oxide incubation cavity;
(4) at coal gas reaction zone 200B, mixed gas contacts with silicon carbide 250B, and the microwave input is constantly arranged, and mixed gas has absorbed micro-wave energy in silicon carbide heat energy and reaction zone, generates CO gas;
Reactional equation is: CO
2+ C → 2CO-Q ' (5)
(5) then the elementary coal gas that generates pass the microwave heating chamber wall after being drawn reaction zone ceramic thermal insulation chamber from air outlet 220B, enters the air guide district 230 of body of heater, is drawn to airway 410 through blower fan 400, then is connected to cyclonic separator 500 through pipeline; The elementary coal gas that contains the particles such as coal dust carries out gas and particle separation in cyclonic separator 500, isolate gas through cyclonic separator top gas conduit 510 derivation, be exactly required coal gas, with isolating not the pulverized coal particle of fully burning and reaction, again enter in the microwave coal-gas producer to body of heater mixing zone 100B by cyclonic separator lower pipeline 520.
Wherein in step (1), the microwave direct production process method equipment that described microwave coal-gas producer is a kind of coal gas, described equipment as shown in Figure 2, by microwave coal-gas producer, air guide district 230, blower fan 400, airway 410, tornado dust collector 200, return skirt 520, gas outlet tube 510 forms.
Described microwave coal-gas producer front end is coal dust import 110B and CO
2Gas feed 120B is thereafter mixing zone 100B, and microwave heating chamber 200A is led to through inlet pipe 150 in the rear portion, mixing zone, and reaction zone 200B is in microwave heating chamber 200A, and the heating chamber rear portion is air guide district 230.Described microwave, its frequency are 915MHz or 2450MHz.
The ceramic thermal insulation chamber 300 of described aluminum oxide material, be a kind of stupalith that absorbs hardly microwave, but have heat insulation, heat preservation property, preferably the low density aluminium oxide structure, this structure is non-enclosed construction, should be packaging assembly or can open at least and put or change the silicon carbide function;
Described silicon carbide structure 250B is a kind of strong absorption micro-wave energy, and exothermic material, silicon carbide can absorb microwave and be warmed up to more than 1500 ℃, weight structure carbofrax material preferably, silicon carbide structure 250B in microwave directed radiation action-reaction district in ceramic thermal insulation chamber 300, make ceramic thermal insulation chamber 300 interior temperature maintenances constant, Temperature Setting is between 500-1500;
Further, described silicon carbide structure 250B is ventilation sheet, bulk or strip, has porous, breather hole structure, be strong absorbing material, it can be heated to more than 1500 ℃, passes through temperature measuring equipment, can control power and the time of microwave heating, keep its constant temperature.
In step (2), described mixing zone 100B is coal dust and CO
2The well-mixed zone of gas; Described blower fan pressurization refers to contain coal dust gas by under blower fan supercharging, traction drive, the guiding mixed gas; Described pipeline 150 refers to mix the passage that rear gas leads to microwave heating chamber 200A;
Further, microwave source 210C passes microwave heating chamber 200A metal casing by waveguide and enters in reaction zone 200B, to ceramic thermal insulation chamber 300 microwave radiations in reaction zone 200B, microwave penetration is crossed incubation cavity 300, the gas mixture that acts on silicon carbide structure 250B wherein and wherein flow, after making the heat energy and micro-wave energy that the mixed gas absorption carbofrax material emits, generate elementary coal gas;
In step (3), described aluminum oxide incubation cavity 300 is the almost potteries of sealing, and the left and right airing function is arranged; The electromagnetic wave transparent material that absorbs hardly microwave is selected in described ceramic thermal insulation chamber 300, and preferred low density alumina-ceramic also can be selected microwave low-loss, heat insulation, the heat preserving ceramic materials such as other material that these characteristics are arranged such as quartz;
Further; consume hardly the ceramic thermal insulation chamber of micro-wave energy; not only be beneficial to the silicon carbide insulation, reduced microwave and use power, but also silicon carbide heat energy can be diffused into and cause reaction zone metallic walls high temperature on the reaction zone body of heater; when causing microwave heating and furnace wall material reacts and damage equipment, is conducive to the microwave leakage protection, improves equipment dependability.
In step (4), described silicon carbide structure 250B is tabular or strip, is porous, breather hole structure, is strong absorbing material, and it can be heated to more than 1500 ℃, by temperature measuring equipment, can control power and the time of microwave heating, keeps its constant temperature.
Further, described microwave absorbs silicon carbide (SiC) the 250B heating of microwave to the interior multilayer of incubation cavity 300, can adopt the microwave heating of thermometric feedback control to realize the constant temperature of 500-1500 ℃.
Microwave operational frequencies described in described microwave coal-gas producer is selected 915MHz or 2450MHz; When the silicon carbide structure size during greater than 100mm, preferred 915MHz, power configures by actual coal gas generative capacity.
In step (5), will isolate does not fully burn and react pulverized coal particle enters the microwave coal-gas producer by coal powder entrance again.
As a second aspect of the present invention, provide a kind of microwave direct production device of coal gas.This device comprises: the microwave coal-gas producer that is connected successively, air guide district 230, blower fan 400, airway 410, tornado dust collector 500, the tornado dust collector 500 termination gas conduit 510 of giving vent to anger, the lower end takes back skirt 520, returns skirt 520 and is connected with microwave coal-gas producer mixing zone 100B.
Described coal-gas producer comprises: the upper left coal dust import of anterior mixing zone 100B 110B, the CO in left side
2Gas inlet 120B, the inlet pipe 150 at 100B rear portion, mixing zone is communicated to microwave heated by gas chamber 200A left side, 200A right side, microwave heated by gas chamber connects air outlet 220B, the other end of air outlet 220B is connected with air guide district 230, wherein microwave source (magnetron and waveguide) 210C is on heating chamber 200A wall, aluminum oxide ceramic thermal insulation chamber 300 is arranged in microwave heated by gas chamber 200A, silicon carbide structure spare 250B is arranged in alumina-ceramic incubation cavity 300.
The microwave operational frequencies of described microwave source is selected 915MHz or 2450MHz; When the silicon carbide structure size during greater than 100mm, preferred 915MHz, power configures by actual coal gas generative capacity.
Described alumina-ceramic incubation cavity 300 is the electromagnetic wave transparent materials that absorb hardly microwave, and preferred low density alumina-ceramic also can be selected microwave low-loss, heat insulation, the heat preserving ceramic materials such as other material that these characteristics are arranged such as quartz.
Described silicon carbide structure 250B is tabular or strip, is porous, breather hole structure, is strong absorbing material, and it can be heated to more than 1500 ℃, by temperature measuring equipment, can control power and the time of microwave heating, keeps its constant temperature.
Described time skirt 520 got back to unreacted pulverized coal particle that in coal-gas producer, device reduces dust in coal gas again after separating, do not cause again the coal dust waste.
Description of drawings
Fig. 1 is a kind of process flow sheet of full microwave gazogene, as patent CN 101307259A (a kind of gas producing device and method).
Fig. 2 is microwave direct production processing method and the setting drawing of a kind of coal gas of the present invention.
Number in the figure: coal dust import 110B, CO
2Gas inlet 120B, mixing zone 100B, inlet pipe 150, microwave heated by gas chamber 200A, microwave source (magnetron and waveguide) 210C, air outlet 220B, air guide district 230, alumina-ceramic incubation cavity 300, silicon carbide structure spare 250B, blower fan 400, airway 410, tornado dust collector 500, gas conduit 510, return skirt 520.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
The coal dust, the CO that come in from coal dust import 110B
2The gas inlet 120B CO that comes in
2Gas, both mix to form mixed gas at mixing zone 100B, then pass inlet pipe 150 enters microwave heating chamber 200A, enter again in alumina-ceramic chamber 300, silicon carbide 250B is warmed up to 500-1500 ℃ after absorbing microwave radiation in alumina-ceramic chamber 300, actual temperature can be controlled the microwave power size by temp measuring method, CO in mixed gas
2After gas and coal dust mix, concentration and flow velocity keep constant; Absorb silicon carbide 250B and emit heat energy and part micro-wave energy, complete the coal gas formation reaction, mixed gas is transformed into the reaction of coal gas as shown in equation (5); Produce elementary coal gas and pass alumina-ceramic chamber 300 right ports and microwave cavity 200A right ports, enter air guide district 230 in cyclonic separator 200 by air outlet 220B, after separating through cyclonic separator 200, particle is returned skirt 520 by its underpart and take the coal-gas producer utilization of again burning to, after dedusting, coal gas is derived from the top gas conduit 510 of cyclonic separator 200, is exactly required commercial coal gas.
Method of the present invention compared with prior art has production technique complete, and advanced technology has improved production coal gas turnover ratio and quality product, and this device has energy-conservation, efficient characteristics simultaneously, can significantly improve coal gas quality product and stability.
Above demonstration and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand, the present invention is not restricted to the described embodiments, only be used for illustrating principle of the present invention in above-described embodiment and specification sheets, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all belong to the scope of the invention.The scope of protection of present invention is defined by claims and the equivalent thereof of appendix.
Claims (12)
1. as a first aspect of the present invention, a kind of microwave direct production processing method of coal gas is characterized in that, comprises the following steps:
As a first aspect of the present invention, a kind of microwave direct production processing method of coal gas is characterized in that, comprises the following steps:
(1) add respectively coal dust and CO to each entrance of microwave coal-gas producer body of heater
2Gas;
(2) coal dust and CO
2Gas pressurizes by blower fan after mixing zone 100B mixes, and enters microwave heating chamber 200A by admission passage 150, accepts the microwave cavity effect;
(3) mixed gas first passes the metal shell of microwave cavity 200A, then passes aluminum oxide chamber 300 walls and enters coal gas reaction zone 200B in the aluminum oxide incubation cavity;
(4) at coal gas reaction zone 200B, mixed gas contacts with silicon carbide 250B, and the microwave input is constantly arranged, and mixed gas has absorbed micro-wave energy in silicon carbide heat energy and reaction zone, generates CO gas;
Reactional equation is: CO
2+ C → 2CO-Q ' (5)
(5) then the elementary coal gas that generates pass the microwave heating chamber wall after being drawn reaction zone ceramic thermal insulation chamber from air outlet 220B, enters the air guide district 230 of body of heater, is drawn to airway 410 through blower fan 400, then is connected to cyclonic separator 500 through pipeline; The elementary coal gas that contains the particles such as coal dust carries out gas and particle separation in cyclonic separator 500, isolate gas through cyclonic separator top gas conduit 510 derivation, be exactly required coal gas, with isolating not the pulverized coal particle of fully burning and reaction, again enter in the microwave coal-gas producer to body of heater mixing zone 100B by cyclonic separator lower pipeline 520.
2. method according to claim 1, it is characterized in that, wherein in step (1), the microwave direct production process method equipment that described microwave coal-gas producer is a kind of coal gas, described equipment as shown in Figure 2, by microwave coal-gas producer, air guide district 230, blower fan 400, airway 410, tornado dust collector 200, return skirt 520, gas outlet tube 510 forms.
Described microwave coal-gas producer front end is coal dust import 110B and CO
2Gas feed 120B is thereafter mixing zone 100B, and microwave heating chamber 200A is led to through inlet pipe 150 in the rear portion, mixing zone, and reaction zone 200B is in microwave heating chamber 200A, and the heating chamber rear portion is air guide district 230.Described microwave, its frequency are 915MHz or 2450MHz; When the silicon carbide structure size during greater than 100mm, preferred 915MHz, power configures by actual coal gas generative capacity.
3. method according to claim 2, is characterized in that, microwave heating chamber 200A wherein, and its cavity is steel plate structure, its outside is microwave power supply 210C, and the feed-in mouth that is connected with the microwave power input waveguide is arranged on the wall of chamber; 150 mouthfuls of the inlet pipe that cavity anterior (left side in Fig. 2) is mixed gas are split into ventilation poroid, and microwave thoroughly and communicates in alumina-ceramic incubation cavity 300 in the chamber; Cavity rear portion (right side in Fig. 2) is the air outlet 220B after mixed gas reaction, is split into ventilation poroid, and also saturating microwave and communicates in alumina-ceramic incubation cavity 300 in the chamber; Cavity wall is close to an alumina-ceramic incubation cavity 300, and these 300 left and right, ceramic thermal insulation chamber have respectively breather hole to communicate with gas piping after mixed gas and reaction, are placed with silicon carbide ceramics 250B in the chamber;
4. method according to claim 3, it is characterized in that, the ceramic thermal insulation chamber 300 of described aluminum oxide material, it is a kind of stupalith that absorbs hardly microwave, but have heat insulation, heat preservation property, low density aluminium oxide structure preferably, this structure is non-enclosed construction, should be packaging assembly or can open at least and put or change the silicon carbide function, also can select microwave low-loss, heat insulation, the heat preserving ceramic materials such as other material that these characteristics are arranged such as quartz;
Further; consume hardly the ceramic thermal insulation chamber of micro-wave energy; not only be beneficial to the silicon carbide insulation, reduced microwave and use power, but also silicon carbide heat energy can be diffused into and cause reaction zone metallic walls high temperature on the reaction zone body of heater; when causing microwave heating and furnace wall material reacts and damage equipment, is conducive to the microwave leakage protection, improves equipment dependability.
5. method according to claim 4, it is characterized in that, described silicon carbide structure is a kind of strong absorption micro-wave energy, and exothermic material, be warmed up to more than 1500 ℃ weight structure carbofrax material preferably, the silicon carbide structure 250B in microwave directed radiation action-reaction district in ceramic thermal insulation chamber 300 after can absorbing microwave, make ceramic thermal insulation chamber 300 interior temperature maintenances constant, Temperature Setting is between 500-1500;
Further, described silicon carbide structure 250B is ventilation sheet, bulk or strip, has porous, breather hole structure, be strong absorbing material, it can be heated to more than 1500 ℃, passes through temperature measuring equipment, can control power and the time of microwave heating, keep its constant temperature.
6. method according to claim 1, it is characterized in that, in step (2), the microwave source 210C of described microwave heating chamber 200A passes metal casing by waveguide and enters in reaction zone 200B, to ceramic thermal insulation chamber 300 microwave radiations in reaction zone 200B, microwave penetration is crossed incubation cavity 300, the gas mixture that acts on silicon carbide structure 250B wherein and wherein flow, after making the heat energy and micro-wave energy that the mixed gas absorption carbofrax material emits, generate elementary coal gas;
7. method according to claim 1, is characterized in that, in step (5), will isolate does not fully burn and react pulverized coal particle enters the microwave coal-gas producer by coal powder entrance again.
8. as a second aspect of the present invention, provide a kind of microwave direct production device of coal gas.This device comprises: the microwave coal-gas producer that is connected successively, air guide district 230, blower fan 400, airway 410, tornado dust collector 500, the tornado dust collector 500 termination gas conduit 510 of giving vent to anger, the lower end takes back skirt 520, returns skirt 520 and is connected with microwave coal-gas producer mixing zone 100B.
Described coal-gas producer comprises: the upper left coal dust import of anterior mixing zone 100B 110B, the CO in left side
2Gas inlet 120B, the inlet pipe 150 at 100B rear portion, mixing zone is communicated to microwave heated by gas chamber 200A left side, 200A right side, microwave heated by gas chamber connects air outlet 220B, the other end of air outlet 220B is connected with air guide district 230, wherein microwave source (magnetron and waveguide) 210C is on heating chamber 200A wall, aluminum oxide ceramic thermal insulation chamber 300 is arranged in microwave heated by gas chamber 200A, silicon carbide structure spare 250B is arranged in alumina-ceramic incubation cavity 300.
9. method according to claim 8, is characterized in that, the microwave operational frequencies of described microwave source is selected 915MHz or 2450MHz; When the silicon carbide structure size during greater than 100mm, preferred 915MHz, power configures by actual coal gas generative capacity.
10. method according to claim 8, it is characterized in that, described alumina-ceramic incubation cavity 300 is the electromagnetic wave transparent materials that absorb hardly microwave, and preferred low density alumina-ceramic also can be selected microwave low-loss, heat insulation, the heat preserving ceramic materials such as other material that these characteristics are arranged such as quartz.
11. method according to claim 1, it is characterized in that, described silicon carbide structure 250B is tabular or strip, be porous, breather hole structure, be strong absorbing material, it can be heated to more than 1500 ℃, passes through temperature measuring equipment, can control power and the time of microwave heating, keep its constant temperature.
12. method according to claim 8 is characterized in that, described time skirt 520 got back to unreacted pulverized coal particle that in coal-gas producer, device reduces dust in coal gas again after separating, do not cause again the coal dust waste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110418156.8A CN103160325B (en) | 2011-12-14 | The microwave of a kind of coal gas is directly produced process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110418156.8A CN103160325B (en) | 2011-12-14 | The microwave of a kind of coal gas is directly produced process and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103160325A true CN103160325A (en) | 2013-06-19 |
| CN103160325B CN103160325B (en) | 2016-12-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406204A (en) * | 2013-08-16 | 2013-11-27 | 云南铜业股份有限公司 | Method and device for heating electrostatic precipitator insulator |
| CN104759446A (en) * | 2015-03-26 | 2015-07-08 | 广东新优威印刷装备科技有限公司 | Heat-accumulation microwave treatment method for waste or coal |
| CN104785498A (en) * | 2015-03-26 | 2015-07-22 | 广东新优威印刷装备科技有限公司 | Heat accumulating type microwave garbage or coal treatment equipment |
| CN107664308A (en) * | 2016-07-28 | 2018-02-06 | 南京理工大学 | A kind of simple vacuum microwave oven apparatus |
| CN109758836A (en) * | 2019-03-12 | 2019-05-17 | 哈尔滨工业大学 | The centrifugation reactor assembly of semicoke reactive methods/approaches is improved based on microwave |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3013293A1 (en) * | 1980-04-05 | 1981-10-15 | Basf Ag, 6700 Ludwigshafen | Underground coal gasification - passing microwaves and water into coal seam through borehole |
| CN101307259A (en) * | 2008-07-01 | 2008-11-19 | 广东科达机电股份有限公司 | Gas producing device and method |
| CN101497835A (en) * | 2009-03-13 | 2009-08-05 | 唐山金强恒业压力型焦有限公司 | Method for making coal fine into form coke by microwave energy |
| CN101591549A (en) * | 2009-07-03 | 2009-12-02 | 西安建筑科技大学 | A kind of method of quickly producing coke through microwave heating |
| CN201358237Y (en) * | 2009-02-23 | 2009-12-09 | 深圳市兖能投资管理有限公司 | Coal gas preparation system |
| CN101633847A (en) * | 2009-02-23 | 2010-01-27 | 深圳市兖能投资管理有限公司 | Microwave heating type cracking furnace |
| CN101633845A (en) * | 2009-02-23 | 2010-01-27 | 深圳市兖能投资管理有限公司 | System, device and method for preparing gas and/or active carbon by using waste classification substances as raw materials |
| CN102199434A (en) * | 2011-04-13 | 2011-09-28 | 西安建筑科技大学 | Method for quick pyrolysis of coal direct liquefaction residues by utilizing microwaves |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3013293A1 (en) * | 1980-04-05 | 1981-10-15 | Basf Ag, 6700 Ludwigshafen | Underground coal gasification - passing microwaves and water into coal seam through borehole |
| CN101307259A (en) * | 2008-07-01 | 2008-11-19 | 广东科达机电股份有限公司 | Gas producing device and method |
| CN201358237Y (en) * | 2009-02-23 | 2009-12-09 | 深圳市兖能投资管理有限公司 | Coal gas preparation system |
| CN101633847A (en) * | 2009-02-23 | 2010-01-27 | 深圳市兖能投资管理有限公司 | Microwave heating type cracking furnace |
| CN101633845A (en) * | 2009-02-23 | 2010-01-27 | 深圳市兖能投资管理有限公司 | System, device and method for preparing gas and/or active carbon by using waste classification substances as raw materials |
| CN101497835A (en) * | 2009-03-13 | 2009-08-05 | 唐山金强恒业压力型焦有限公司 | Method for making coal fine into form coke by microwave energy |
| CN101591549A (en) * | 2009-07-03 | 2009-12-02 | 西安建筑科技大学 | A kind of method of quickly producing coke through microwave heating |
| CN102199434A (en) * | 2011-04-13 | 2011-09-28 | 西安建筑科技大学 | Method for quick pyrolysis of coal direct liquefaction residues by utilizing microwaves |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406204A (en) * | 2013-08-16 | 2013-11-27 | 云南铜业股份有限公司 | Method and device for heating electrostatic precipitator insulator |
| CN104759446A (en) * | 2015-03-26 | 2015-07-08 | 广东新优威印刷装备科技有限公司 | Heat-accumulation microwave treatment method for waste or coal |
| CN104785498A (en) * | 2015-03-26 | 2015-07-22 | 广东新优威印刷装备科技有限公司 | Heat accumulating type microwave garbage or coal treatment equipment |
| CN107664308A (en) * | 2016-07-28 | 2018-02-06 | 南京理工大学 | A kind of simple vacuum microwave oven apparatus |
| CN109758836A (en) * | 2019-03-12 | 2019-05-17 | 哈尔滨工业大学 | The centrifugation reactor assembly of semicoke reactive methods/approaches is improved based on microwave |
| CN109758836B (en) * | 2019-03-12 | 2021-05-04 | 哈尔滨工业大学 | Centrifugal reactor device based on microwave method for improving semi-coke reactivity |
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