CN103603648B - A kind of underground gasification device - Google Patents
A kind of underground gasification device Download PDFInfo
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- CN103603648B CN103603648B CN201310627030.0A CN201310627030A CN103603648B CN 103603648 B CN103603648 B CN 103603648B CN 201310627030 A CN201310627030 A CN 201310627030A CN 103603648 B CN103603648 B CN 103603648B
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Abstract
The present invention relates to a kind of underground gasification device, comprise the induction trunk, gasification channel and the outlet passageway that are connected successively, described underground gasification device also comprises the pipeline led to into wherein, and the first port of described pipeline stretches out ground, and Two-port netwerk is arranged in gasification channel; Described Two-port netwerk is connected with high pressure fluid blow device, for removing the long-pending ash that subterranean coal gasification produces; Described pipeline stretches out ground segment and is connected with towing device, for pulling pipeline, high pressure fluid blow device is moved. The present invention by leading to into the pipeline being provided with high pressure fluid blow device in underground gasification device, ejection high pressure fluid removes the long-pending ash of coal seam gasification working face, expose fresh coal seam fully to contact with vaporized chemical, improve the quality of gasification efficiency and coal gas, and by the towing device on ground realize high pressure fluid blow device with the movement of gasification face the object of movement, be suitable for the needs of coal layer underground gasifying completely.
Description
Technical field
The present invention relates to coal underground gasification technology field, it is specifically related to a kind of underground gasification device.
Background technology
Underground coal gasification is a kind of novel process of exploitation coal, first two tunnel induction trunks and outlet passageway is dug from earth's surface along coal seam, then in coal seam, induction trunk and outlet passageway are connected by portion with a mine gallery (i.e. gasification channel) on the lower, the whole coal body surrounded by tunnel, the region will gasified exactly, it is referred to as gasification panel, or claims underground gasification device; To coal seam conveying vaporized chemical by induction trunk and light coal seam and make it to carry out combustion gasification afterwards, from outlet passageway, discharge combustion gasification gas and coal gas.
In underground coal gasification process, gasification face can adhere to coal ash, along with the carrying out of burning, coal ash thickness is increasing, when reaching certain thickness, can automatically peel off skin under gravity, carry out grieshoch thinning, wait that accumulation peels off skin (Laboratorystudiesoncombustioncavitygrowthinlignitecoalbl ocksinthecontextofundergroundcoalgasification to certain thickness again, SateeshDaggupatietal.Energy, 35 (2010): 2375-2386). In the combustion gasification process in coal seam, on gasification face, the coal ash thickness of attachment is relevant with coal characteristic. In combustion gasification process, due to the interval of coal ash, vaporized chemical needs to penetrate grieshoch or could contact with coal seam through grieshoch from the be full of cracks of grieshoch and reacts so that the contact of coal seam and vaporized chemical is insufficient, affect the gasification efficiency in coal seam, finally affect gas quality.
Although prior art discloses a lot of underground gasification furnace, as CN102562025A discloses a kind of coal underground gasifying furnace with cement stone ring, but all do not solve gasification face and it is attached with coal ash, affect the problem of gasification efficiency.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of underground gasification device, described underground gasification device comprises high pressure fluid blow device, and described high pressure fluid blow device can remove the long-pending ash being attached on coal seam gasification working face, and the movement along with long-pending red dog can be realized and move, solve due to grieshoch that to pile up the coal seam gasification efficiency that causes low, the problem of gas quality difference.
The present invention provides a kind of underground gasification device, comprises the induction trunk, gasification channel and the outlet passageway that are connected successively, and described underground gasification device also comprises the pipeline led to into wherein, and the first port of described pipeline stretches out ground, and Two-port netwerk is arranged in gasification channel; Described Two-port netwerk is connected with high pressure fluid blow device, for removing the long-pending ash that subterranean coal gasification produces; Described pipeline stretches out ground segment and is connected with towing device.
Preferably, described high pressure fluid blow device comprises the fluid that surface has an air outlet and enters pipe, and is arranged on some fluid jet device that fluid enters on pipe air outlet.
Preferably, described fluid jet device is the right cylinder that inside has conical surface helix fluid course;
Described fluid jet device is limited to fluid by gear ring and enters on pipe, to prevent fluid jet device departs from fluid enters pipe.
Preferably, described fluid course originates in the center of circle, fluid jet device right cylinder bottom surface, ends at the sidewall of fluid jet device right cylinder near end face.
Preferably, the tangent line of described fluid course and sidewall joining and angle >=30 �� of fluid jet device right cylinder bottom surface.
Preferably, the spiral number of turns of described fluid course is 1/4��5 circle.
Preferably, the diameter of described fluid course is 0.08��0.3 times of fluid jet device cylinder height.
Preferably, the Two-port netwerk of blast inlet and pipeline that described fluid enters pipe is connected.
Preferably, the air port that goes out that described fluid enters pipe is shut, or connects a fluid jet device.
Preferably, described underground gasification furnace is connected with monitoring device, and described monitoring device comprises the coal gas measuring apparatus being arranged at outlet passageway air outlet, for monitoring the content of effective constituent in outlet passageway output coal gas.
Preferably, described underground gasification furnace is connected with control device, pulls distance for the startup and towing device controlling high pressure fluid blow device.
Preferably, described pipeline is provided with the bracing or strutting arrangement preventing the Two-port netwerk of pipeline from imbedding grieshoch near Two-port netwerk place;
Described bracing or strutting arrangement is the back up pad being articulated and connected with pipe wall, described back up pad pull process with conduit axis is 20 �� with upper angle;
Or, described bracing or strutting arrangement is be enclosed within the support set of pipeline near Two-port netwerk place, and the thickness of described support set near Two-port netwerk place is bigger than the thickness away from Two-port netwerk place.
Second aspect present invention provides the using method of a kind of underground gasification device as described in relation to the first aspect, and described method comprises the steps:
(1) underground gasification device is prepared: pipeline is put into gasification channel, and the Two-port netwerk of the pipeline being connected with high pressure fluid blow device is positioned near firing point; Pipeline first port connects towing device;
(2) igniting gasification coal seam: induction trunk injects vaporized chemical; The junction igniting of outlet passageway and gasification channel, carries out the gasification in coal seam;
(3) start high pressure fluid blow device, the long-pending ash of attachment on coal seam rib in gasification is removed;
(4) high pressure fluid blow device is pulled.
Preferably, the process of the described startup high pressure fluid blow device of step (3) is: when the content summation of active principle in coal gas reaches more than 15% or carbon dioxide content reaches more than 20%, starts high pressure fluid blow device.
Preferably, the process pulling high pressure fluid blow device described in step (4) is: when content summation decline more than 15% or certain single active principle content decline more than 20% of active principle in coal gas, pulls high pressure fluid blow device.
Preferably, in described coal gas, the content of active principle or the content data of carbonic acid gas are obtained by monitoring device.
Compared with prior art, the present invention has following useful effect:
The present invention by leading to into the pipeline being provided with high pressure fluid blow device in underground gasification device, the long-pending ash of coal seam gasification working face is removed in ejection high pressure fluid (such as high pressure gas, dust-cleaning agent or the gas or the liquid that are suspended with lightweight grit), expose fresh coal seam fully to contact with vaporized chemical, improve the quality of gasification efficiency and coal gas, and by the towing device on ground realize high pressure fluid blow device with the movement of gasification face the object of movement, be suitable for the needs of coal layer underground gasifying completely.
Accompanying drawing explanation
Fig. 1 is the structural representation of underground gasification device provided by the invention;
The structural representation of the high pressure fluid blow device 6 that Fig. 2 provides for embodiment 1; The cross-sectional view along fluid jet device 62 right cylinder axial plane that in the high pressure fluid blow device 6 that in the high pressure fluid blow device 6 that Fig. 3 provides for embodiment 1, structural representation Fig. 4 of fluid jet device 62 provides for embodiment 1, fluid jet device 62 and gear ring 63 coordinate, the structural representation of the high pressure fluid blow device 6 that Fig. 5 provides for embodiment 2;
Fig. 6 is the structural representation of back up pad 43;
Fig. 7 is the structural representation of support set 44;
Wherein, 1-induction trunk; 2-gasification channel; 3-outlet passageway; 4-pipeline; 5-towing device; 6-high pressure fluid blow device; 7-coal seam;
41-first port, 42-Two-port netwerk, 43-back up pad, 431-coupling shaft, 432-swivel plate, 44-support set;
61-fluid enters pipe, 611-blast inlet, and 612-goes out air port;
62-fluid jet device, 621-projection, 622-fluid course;
63-keeps off ring, and 631-ring is dashed forward; 71-amasss grieshoch.
Embodiment
Next, with reference to accompanying drawing in detail, the specific embodiment of the present invention is described in detail. In describing the invention, term " first " " the 2nd " etc. is used for separating parts and another component region, and described parts are not defined by above-mentioned term.
As shown in Fig. 1 structural representation of underground gasification device provided by the invention (Fig. 1 be), the present invention provides a kind of underground gasification device, comprise the induction trunk 1, gasification channel 2 and the outlet passageway 3 that are connected successively, described underground gasification device also comprises the pipeline 4 led to into wherein, first port 41 of described pipeline 4 stretches out ground, and Two-port netwerk 42 is arranged in gasification channel 2; Described Two-port netwerk 42 is connected with high pressure fluid blow device 6, for removing the long-pending ash that subterranean coal 7 gasifies and produces; Described pipeline 4 stretches out ground segment and is connected with towing device 5, for pulling pipeline 4, high pressure fluid blow device 6 is moved.
The long-pending grieshoch 71 of underground gasification device gasification face is removed by the present invention by high pressure fluid blow device 6, and pipeline 4 can be pulled by towing device 5, the high pressure fluid blow device 6 of connection is made to be in the position of long-pending grieshoch 71 all the time, the long-pending grieshoch 71 of coal seam gasification working face is thus made to be removed in time, improve the contact area in vaporized chemical and coal seam, improve gasification efficiency, ensure that the quality of coal gas.
The principle of work of underground gasification device provided by the invention is:
Induction trunk 1 injects vaporized chemical, light a fire in the junction of outlet passageway 3 and gasification channel 2, vaporized chemical is contacted with coal by diffusion, generating gasification reaction in throat, namely in gasification channel 2, the gas of flowing is diffused on gasification face to contact with coal, issue biochemical reaction at high temperature action and generate coal gas, coal ash also can be produced after reaction, coal ash can not depart from immediately but be attached on gasification face, accumulation forms long-pending grieshoch 71 gradually, vaporized chemical can only permeate long-pending grieshoch 71 or contact continuation generation chemical reaction by the coal seam 7 under the Craquelure of long-pending grieshoch 71 covers with long-pending grieshoch 71, the coal gas that reaction generates also can only migrate to ground through long-pending grieshoch 71 by outlet passageway 3, when long-pending grieshoch 71 accumulates to certain thickness (usually having 0.3cm��0.8cm), automatically skin is peeled off under gravity, continue accumulation and thick can again peel off skin to certain, owing to there being the attachment of long-pending grieshoch 71, vaporized chemical contacts abundant not with coal seam 7, and gasification result is poor, affects gasification efficiency and the gas quality of coal,
Underground gasification device provided by the invention set up can move with gasification face and the high pressure fluid blow device 6 of movement, utilize the long-pending grieshoch 71 that high pressure fluid blow device 6 is removed on gasification face, long-pending grieshoch 71 is made to depart from gasification face in time, expose fresh coal seam, increase the contact with vaporized chemical, it is to increase gasification efficiency and gas quality.
In order to make the object of the present invention, technical scheme and advantage are clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The underground gasification device that embodiment 1 provides is described in detail by composition graphs 2��4, described underground gasification device comprises the induction trunk 1, gasification channel 2 and the outlet passageway 3 that are connected successively, and lead to the pipeline 4 among underground gasification device, first port 41 of described pipeline 4 stretches out ground and is connected with towing device 5, and Two-port netwerk 42 is arranged in gasification channel 2 and is connected with high pressure fluid blow device 6;
Wherein, high pressure fluid blow device 6 comprise the fluid shut in air port 612 enter pipe 61, some fluid jet device 62 and gear ring 63; First port 41 of pipeline 4 is connected with fluid storage device (accompanying drawing does not illustrate), and described fluid storage device can be air compressor, deashing agent input pump or the gas blower etc. being suspended with solid granule;
The Two-port netwerk 42 of blast inlet 611 and pipeline 4 that described fluid enters pipe 61 is connected;
Fluid jet device 62 is right cylinder, described cylindrical outer arranges the projection 621 of some symmetries near the position that fluid enters pipe 61, gear ring 63 one end enters pipe 61 and is fixedly connected with fluid, the other end arranges ring prominent 631, by coordinating with projection 621 to prevent fluid jet device 62 departs from fluid enters pipe 61;
The inside of described fluid jet device 62 right cylinder has conical surface helix fluid course 622; Described conical surface helix fluid course 622 originates in the center of circle, fluid jet device 62 right cylinder bottom surface, end at fluid jet device 62 on the sidewall of right cylinder end face, and with the tangent line of sidewall joining and angle >=30 �� of fluid jet device 62 right cylinder bottom surface, the spiral number of turns of described fluid course 622 does not limit, it is preferably 1/4��5 circle, more preferably 1/4��3/4 circle, preferably 1/2��3/4 encloses further; The diameter of described fluid course 622 does not limit, it is preferable to 0.08��0.3 times of fluid jet device 62 cylinder height;
The axis that described some fluid jet device 62 enter pipe 61 along fluid is uniform, and be only distributed in fluid and enter on the upper half of pipe 61 contour, being preferably distributed in fluid enters on upper 1/3 week of pipe 61 contour, fluid enters the position perforate of the fluid jet device 62 that distributes on pipe 61, ensures that fluid can enter, from fluid, the fluid course 622 that pipe 61 enters fluid jet device 62;
The quantity of described fluid jet device 62 does not limit;
In described high pressure fluid blow device 6, each parts are made by withstand voltage, high temperature material, and described withstand voltage high temperature material the present invention does not limit, and typical but non-limiting have stainless steel, alloy, matrix material etc.; Described projection 621 and prominent 631 faces contacted with each other of ring are wear-resisting smooth flat.
The structural representation of the high pressure fluid blow device 6 that Fig. 2 provides for embodiment 1;
The structural representation of fluid jet device 62 in the high pressure fluid blow device 6 that Fig. 3 provides for embodiment 1, in Fig. 3, the spiral number of turns of the conical surface spiral-line of fluid course 622 is 3 circles;
The cross-sectional view along fluid jet device 62 right cylinder axial plane that in the high pressure fluid blow device 6 that Fig. 4 provides for embodiment 1, fluid jet device 62 and gear ring 63 coordinate, in Fig. 4, the spiral number of turns of the conical surface spiral-line of fluid course 622 is 0.5 circle.
The working process of the underground gasification device that embodiment 1 provides is:
(1) underground gasification device is prepared:
Pipeline 4 is put into gasification channel 2, and the Two-port netwerk 42 of the pipeline 4 being connected with high pressure fluid blow device 6 is positioned near firing point, now high pressure fluid blow device 6 does not have fluid lead to into; First port 41 of pipeline 4 connects towing device 5;
(2) igniting gasification coal seam 7:
Induction trunk 1 injects vaporized chemical; Lighting a fire in the junction of outlet passageway 3 and gasification channel 2, carries out the gasification in coal seam 7;
(3) high pressure fluid blow device 6 is started:
Along with the gasification in coal seam 7, gasification face is constantly expanded, when expanding to high pressure fluid blow device 6 position, logical if fluid is (such as pressurized air to pipeline 4, the small-particle of deashing agent and/or suspension), fluid is entered on pipe 61 air outlet arranged and enters fluid jet device 62 by fluid, and fluid jet device 62 right cylinder is promoted, space between projection 621 and ring prominent 631 is disappeared, fluid enters fluid course 622, pipe passageway high speed in conical surface spirrillum flows, finally spray from the opening of fluid jet device 62 sidewall, emission direction is obliquely, in the process that fluid course 622 runs, fluid jet device 62 does under the opposition of fluid and rotates, to ensure any direction all in the scope of the injection of fluid, injection fluid acts on gasification face, is removed by the coal ash of attachment, removes long-pending grieshoch 71, exposes fresh coal seam 7 and contact with vaporized chemical, gasify,
(4) high pressure fluid blow device 6 is pulled:
This step is the content of the active principle of the coal gas by monitoring gasification output, judges whether the fluid that high pressure fluid blow device 6 sprays can also be applied to long-pending grieshoch 71, and when usually can be applied to, the active principle content of coal gas is stable; And act on not then, due to the obstruction of long-pending grieshoch 71, in coal gas, the content of active principle can obviously decline; It is thus desirable to the active principle (H of monitoring coal gas2��CO��CH4), when the summation decline more than 15% of active principle, or certain single active principle is when decreaseing beyond 20%, high pressure fluid blow device 6 to gasification face is pulled by towing device 5, proceed ash clearly, until the Two-port netwerk 42 of pipeline 4 arrives induction trunk 1 and the junction of gasification channel 2, stop work, and terminate gasification.
In embodiment 1, the startup of high pressure fluid blow device 6 performs after receiving initiating signal, and described initiating signal can come from the monitor in real time etc. in gasification channel 2.
Fluid described in embodiment 1 is typical but non-limiting can be the small-particle of pressurized air, deashing agent and/or suspension, or vaporized chemical, water vapour, or carry vaporized chemical or the water vapour of lightweight grit, it is also possible to it is the catalyzer etc. of cheap gas shift reaction.
In embodiment 1, described high pressure fluid blow device 6 is connected by the Two-port netwerk 42 of screw thread with pipeline 4, can also be connected by shaft coupling, or pin connects, or by adapter sleeve connection with internal thread etc., the present invention is not specifically limited, any can by both connect mode all can be used for the present invention.
Embodiment 2
The basis of embodiment 1 is made following change: fluid enters pipe 621 and do not arrange and shut end, but a fluid jet device 62 is set going out air port 612.
The structural representation of the high pressure fluid blow device 6 that Fig. 5 provides for embodiment 2.
Embodiment 3
Following change is made on the basis of embodiment 1 or embodiment 2: at pipeline 4, back up pad 43 is set near Two-port netwerk 42 place, the swivel plate 432 that described back up pad comprises the coupling shaft 431 being fixed near pipeline 4 Two-port netwerk 42 place and rotates around coupling shaft 431, its structure and hinge are similar; Described back up pad 43 pull process with pipeline 4 axis is 20 �� with upper angle.
Fig. 6 is the structural representation of back up pad 43.
The underground gasification furnace that embodiment 2 provides is in the process of work, it is possible to prevent the Two-port netwerk 42 of pipeline 4 from imbedding grieshoch.
Embodiment 4
Following change is made on the basis of embodiment 1 or embodiment 2: at pipeline 4, support set 44 is set near Two-port netwerk 42 place, described support set 44 is enclosed within pipeline 4 near Two-port netwerk 42 place, and the thickness of described support set near Two-port netwerk place is bigger than the thickness away from Two-port netwerk place.
Fig. 7 is the structural representation of support set 44.
The underground gasification furnace that embodiment 3 provides is in the process of work, it is possible to prevent the Two-port netwerk 42 of pipeline 4 from imbedding grieshoch.
Applicant states, the present invention illustrates the detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement. Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (17)
1. a underground gasification device, comprise the induction trunk (1), gasification channel (2) and the outlet passageway (3) that are connected successively, it is characterized in that, described underground gasification device also comprises the pipeline (4) led to into wherein, first port (41) of described pipeline (4) stretches out ground, and Two-port netwerk (42) is arranged in gasification channel (2); Described Two-port netwerk (42) is connected with high pressure fluid blow device (6), for removing the long-pending ash that subterranean coal (7) gasification produces; Described pipeline (4) stretches out ground segment and is connected with towing device (5).
2. underground gasification device as claimed in claim 1, it is characterized in that, described high pressure fluid blow device (6) comprises the fluid that surface has an air outlet and enters pipe (61), and is arranged on some fluid jet device (62) that fluid enters on pipe (61) air outlet.
3. underground gasification device as claimed in claim 2, it is characterised in that, described fluid jet device (62) has the right cylinder of conical surface helix fluid course (622) for inside;
Described fluid jet device (62) is limited to fluid by gear ring (63) and enters on pipe (61), to prevent fluid jet device (62) departs from fluid enters pipe (61).
4. underground gasification device as claimed in claim 3, it is characterized in that, described conical surface helix fluid course (622) originates in the center of circle, fluid jet device (62) right cylinder bottom surface, ends at the sidewall of fluid jet device (62) right cylinder near end face.
5. underground gasification device as claimed in claim 3, it is characterised in that, the tangent line of described conical surface helix fluid course (622) and sidewall joining and angle >=30 �� of fluid jet device (62) right cylinder bottom surface.
6. underground gasification device as claimed in claim 3, it is characterised in that, the spiral number of turns of described conical surface helix fluid course (622) is 1/4��5 circle.
7. underground gasification device as claimed in claim 3, it is characterised in that, the diameter of described conical surface helix fluid course (622) is 0.08��0.3 times of fluid jet device (62) cylinder height.
8. underground gasification device as claimed in claim 2, it is characterised in that, the Two-port netwerk (42) of blast inlet (611) and pipeline (4) that described fluid enters pipe (61) is connected.
9. underground gasification device as claimed in claim 2, it is characterised in that, the air port (612) that goes out that described fluid enters pipe (61) is shut, or connects a fluid jet device (62).
10. underground gasification device as claimed in claim 1, it is characterized in that, described underground gasification device is connected with monitoring device, described monitoring device comprises the coal gas measuring apparatus being arranged at outlet passageway (3) air outlet, for monitoring the content of effective constituent in outlet passageway (3) output coal gas.
11. underground gasification device as claimed in claim 1, it is characterised in that, described underground gasification device is connected with control device, pulls distance for the startup and towing device (5) controlling high pressure fluid blow device (6).
12. underground gasification device as claimed in claim 1, it is characterized in that, described pipeline (4) is provided with, near Two-port netwerk (42) place, the bracing or strutting arrangement preventing the Two-port netwerk (42) of pipeline (4) from imbedding grieshoch.
13. underground gasification device as claimed in claim 12, it is characterized in that, described bracing or strutting arrangement is the back up pad (43) being articulated and connected with pipeline (4) tube wall, described back up pad (43) pull process with pipeline (4) axis is 20 �� with upper angle;
Or, described bracing or strutting arrangement is for being enclosed within the support set (44) of pipeline (4) near Two-port netwerk (42) place, and the thickness of described support set (44) near Two-port netwerk (42) place is bigger than the thickness away from Two-port netwerk (42) place.
The using method of 14. 1 kinds of underground gasification device as described in one of claim 1��13, it is characterised in that, described method comprises the steps:
(1) underground gasification device is prepared: pipeline (4) is put into gasification channel (2), and the Two-port netwerk (42) of the pipeline (4) being connected with high pressure fluid blow device (6) is positioned near firing point; Pipeline (4) first port (41) connects towing device (5);
(2) igniting gasification coal seam (7): induction trunk (1) injects vaporized chemical; Lighting a fire in the junction of outlet passageway (3) and gasification channel (2), carries out the gasification of coal seam (7);
(3) start high pressure fluid blow device (6), the long-pending ash of attachment on coal seam in gasification (7) rib is removed;
(4) high pressure fluid blow device (6) is pulled.
15. methods as claimed in claim 14, it is characterized in that, the process of step (3) described startup high pressure fluid blow device (6) is: when the content summation of active principle in coal gas reaches more than 15% or carbon dioxide content reaches more than 20%, starts high pressure fluid blow device (6).
16. methods as claimed in claim 14, it is characterized in that, the process pulling high pressure fluid blow device (6) described in step (4) is: when content summation decline more than 15% or certain single active principle content decline more than 20% of active principle in coal gas, pulls high pressure fluid blow device (6).
17. methods as described in claim 15 or 16, it is characterised in that, in described coal gas, the content of active principle or the content data of carbonic acid gas are obtained by monitoring device.
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| CN201310627030.0A CN103603648B (en) | 2013-11-29 | 2013-11-29 | A kind of underground gasification device |
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| CN103603647B (en) * | 2013-11-29 | 2016-05-25 | 新奥气化采煤有限公司 | A kind of underground gasification furnace and using method thereof |
| CN104389577B (en) * | 2014-09-26 | 2017-10-27 | 新奥科技发展有限公司 | Multiple spot gas injection underground gasification furnace and multiple spot gas injection underground gasification method |
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| CN201381844Y (en) * | 2009-03-09 | 2010-01-13 | 李文军 | Catalyzing device for increasing underground coal gasification gas quality |
| CN101988384A (en) * | 2010-08-31 | 2011-03-23 | 新奥科技发展有限公司 | Method for in-situ retorting of underground coal bed by utilizing flue gas |
| CN202786145U (en) * | 2012-09-26 | 2013-03-13 | 潍坊金丝达环境工程股份有限公司 | Disintegrating slag breaking device of gasification furnace |
| CN103603647A (en) * | 2013-11-29 | 2014-02-26 | 新奥气化采煤有限公司 | Underground gasifier and application method thereof |
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| US7735554B2 (en) * | 2007-03-29 | 2010-06-15 | Texyn Hydrocarbon, Llc | System and method for recovery of fuel products from subterranean carbonaceous deposits via an electric device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201381844Y (en) * | 2009-03-09 | 2010-01-13 | 李文军 | Catalyzing device for increasing underground coal gasification gas quality |
| CN101988384A (en) * | 2010-08-31 | 2011-03-23 | 新奥科技发展有限公司 | Method for in-situ retorting of underground coal bed by utilizing flue gas |
| CN202786145U (en) * | 2012-09-26 | 2013-03-13 | 潍坊金丝达环境工程股份有限公司 | Disintegrating slag breaking device of gasification furnace |
| CN103603647A (en) * | 2013-11-29 | 2014-02-26 | 新奥气化采煤有限公司 | Underground gasifier and application method thereof |
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Effective date of registration: 20170209 Address after: 065001 Hebei economic and Technological Development Zone, Langfang science and Technology Park in the Southern District of B building, room 522 Patentee after: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang Patentee before: ENN Coal Gasification Co., Ltd. |