CN104533379A - Underground coal gasifier and gasifier combustion state determination method - Google Patents
Underground coal gasifier and gasifier combustion state determination method Download PDFInfo
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- CN104533379A CN104533379A CN201410733959.6A CN201410733959A CN104533379A CN 104533379 A CN104533379 A CN 104533379A CN 201410733959 A CN201410733959 A CN 201410733959A CN 104533379 A CN104533379 A CN 104533379A
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- gasification furnace
- underground
- gaging hole
- coal
- venthole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/295—Gasification of minerals, e.g. for producing mixtures of combustible gases
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
Abstract
The invention discloses an underground coal gasifier and a gasifier combustion state determination method. The underground coal gasifier comprises a gas inlet, a gas outlet and a gas flow passage formed between the gas inlet and the gas outlet. The underground coal gasifier further comprises a plurality of measuring holes formed in a preset range in the vertical direction of the gas inlet and gas outlet connecting line, and moreover, the measuring holes are communicated with the coal layer of the underground gasifier, and the temperature, pressure and sample ingredients of the underground coal gasifier are monitored through the measuring holes. The underground coal gasifier is capable of monitoring the temperature, sample ingredients and pressure data of the underground coal gasifier in real time, and therefore, the inside combustion state can be judged more timely and precisely.
Description
Technical field
The present invention relates to underground coal gasification(UCG) field, particularly relate to a kind of coal underground gasifying furnace and stove fired state defining method.
Background technology
Underground coal gasification(UCG) as a kind of Coal Gasification Technology of rising, because its economy had, the feature of environmental protection and high efficiency are paid close attention to widely.But detect for the temperature in underground gasification furnace in underground gasification process, pressure, component etc. and lack relevant rational method always.
Prior art is to judging that underground gasification furnace combustion position proposes some technical schemes.The such as following prior art one, two introduced.
Prior art one: patent 200910150724.3, a kind of combustion state of underground coal gasification furnace defining method, system and device are a kind of methods arranging survey radon point on earth's surface and then draw underground temperature field according to radon value and temperature relation;
Prior art two: patent 201210226183.X, the method for real-time of two-dimensional planar temperature field of underground coal gasification furnace is also a kind of method drawing underground gasification furnace thermal field two dimensional surface according to radon value and temperature relation.
In prior art one and two, be all determine its combustion position by the indirect thermal field obtaining underground gasification furnace of ground radon value detection, pertinent relationships also needs checking, and accuracy is poor.
In view of above problem, this patent proposes a kind of novel underground coal gasification(UCG) real-time condition monitoring method.The method, by arranging gaging hole at underground gasification furnace gas channel periphery, directly can obtain subsurface temperature, pressure, group grading information.
Summary of the invention
Main purpose of the present invention is to provide a kind of underground gasification furnace, solves the problem that existing underground gasification furnace accurately cannot judge its combustion position.
To achieve these goals, the invention provides a kind of coal underground gasifying furnace, comprise air inlet, venthole, be formed at gas channel between air inlet and venthole and some gaging holes, described some gaging holes are arranged in the preset range of the vertical direction of described air inlet and venthole line, and described gaging hole passes to the coal seam of described underground gasification furnace, at least realized the monitoring of temperature, pressure and sample component to described underground gasification furnace by described gaging hole.
Preferably, each gaging hole described is provided with temperature sensing point in different hole depth place, and described temperature sensing point is formed by thermocouple, realizes the monitoring to described underground gasification furnace temperature.
Preferably, sleeve pipe is provided with in described gaging hole, lowered position and the described underground gasification furnace of described sleeve pipe are in same coal seam, described thermocouple is fixed in described sleeve pipe, described gasification tunnel constantly expands and forms burned out area along with the burning in coal seam, sleeve pipe at least one described gaging hole is communicated to described burned out area, monitors sample component in described underground gasification furnace and pressure data by the described pipe box being communicated to burned out area.
Preferably, described underground gasification furnace is the elongated single gasification furnace of gas channel, or for gas channel be L-type, V-arrangement or Z-shaped multiple-unit gasification furnace, the line between described air inlet and venthole corresponds to straight line, L shape, V-arrangement or Z-shaped.
Preferably, described some gaging holes are single-row or multiple row is arranged in apart within the scope of the line 0-20 rice between described air inlet and venthole along the line direction of described air inlet and venthole, and the pitch of holes of described often row gaging hole is more than or equal to 5 meters.
Preferably, described often row gaging hole is more than or equal to 5 meters near a gaging hole of air inlet and the distance of described air inlet, and the distance near venthole gaging hole and described venthole is more than or equal to 5 meters.
Separately, the present invention also provides a kind of combustion state of underground coal gasification furnace defining method, comprises the following steps:
S1, distance underground gasification furnace air inlet and venthole between line preset range in several gaging holes are set;
S2, some temperature sensings point is set at the different hole depth places of described gaging hole;
The temperature of the different hole depth of the temperature sensing point Real-Time Monitoring in S3, described gaging hole; And
S4, gathered the coal gas sample of described underground gasification furnace by gaging hole, to monitor pressure data in described gasification furnace and coal gas sample component;
S5, temperature, pressure data and sample component according to gathering in each gaging hole, determine described combustion state of underground coal gasification furnace.
Preferably, described step S1 is specially: before described gasifier operation, be arranged in apart within the scope of the line 0-20 rice between described air inlet and venthole in the line direction along described air inlet and venthole that is single-row or multiple row in advance, and often row gaging hole is arranged in such a way: each gaging hole described passes to the coal seam of described underground gasification furnace, the pitch of holes of described often row gaging hole is more than or equal to 5 meters, often row gaging hole is more than or equal to 5 meters near a gaging hole of air inlet and the distance of described air inlet, 5 meters are more than or equal near the gaging hole of venthole and the distance of described venthole.
Preferably, described step S2 comprises the following steps:
S21, sleeve pipe is set in described gaging hole, makes the lower position of sleeve pipe and described underground gasification furnace be in same coal seam;
S22, thermocouple is set at the diverse location of described sleeve pipe, forms described temperature sensing point.
Preferably, along with the burning of described underground gasification furnace, described gas channel constantly expands and forms burned out area, at least one described gaging hole is communicated to described burned out area, and described step S4 is specially: gather sample component in underground gasification furnace and pressure data by the described sleeve pipe being communicated to burned out area.
The present invention has following beneficial effect:
Coal underground gasifying furnace of the present invention and fired state defining method thereof, by the temperature in the thermocouple Real-Time Monitoring underground gasification furnace in the gaging hole of setting, and the sample Real-Time Monitoring sample component got by the sleeve pipe be communicated in the gaging hole of gas channel and pressure data, staff can judge the combustion position in underground gasification furnace from the above-mentioned data real-time monitored.Obviously, the combustion position of this underground gasification furnace is drawn by the visual data of Real-time Obtaining, judge more timely, the degree of accuracy is higher.
Accompanying drawing explanation
Fig. 1 is the surface infrastructure schematic diagram of the coal underground gasifying furnace of first embodiment of the invention.
Fig. 2 is the surface infrastructure schematic diagram of coal underground gasifying furnace shown in Fig. 1.
Fig. 3 is the surface infrastructure schematic diagram of the coal underground gasifying furnace of second embodiment of the invention.
Fig. 4 is the surface infrastructure schematic diagram of the coal underground gasifying furnace of third embodiment of the invention.
Fig. 5 is the surface infrastructure schematic diagram of the coal underground gasifying furnace of fourth embodiment of the invention.
Fig. 6 is combustion state of underground coal gasification furnace defining method flow chart of the present invention.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
Fig. 1 and Fig. 2 is the surface infrastructure schematic diagram of the coal underground gasifying furnace of first embodiment of the invention.Refer to Fig. 1, coal underground gasifying technology be certainly the drilling that faces down to coal seam, one of them boring is for air inlet 1, and another boring is venthole 2, utilizes the methods such as coal bed fracturing in holes, form gasification tunnel (not shown).After igniting, gasifying agent (air, steam, oxygen-enriched air etc.) is transported to coal seam by air inlet 1, and gasifying agent carries out imperfect combustion in the gasification tunnel in coal seam, and continuous gasification, the fuel gas of production is transported to ground from venthole 2.And in described gasification, described gasification tunnel constantly expands along with the burning in coal seam, form burned out area 3.
The coal underground gasifying furnace of the present embodiment is except comprising above-mentioned air inlet 1, venthole 2, gas channel, also comprise some gaging holes 4, described some gaging holes are arranged at described air inlet 1 with in the preset range of the vertical direction of venthole 2 line, and described gaging hole passes to the coal seam of described underground gasification furnace, at least realized the monitoring of temperature, pressure and sample component to described underground gasification furnace by described gaging hole 4, the monitoring that can realize temperature, pressure and sample component for described underground gasification furnace is below described.
In the present embodiment, each gaging hole 4 described is provided with temperature sensing point in different hole depth place, the interval of temperature sensing point determines according to coal seam thickness to be measured and detection accuracy, 1 ~ 10 meter of interval can be selected to arrange a temperature sensing point, described temperature sensing point is formed by thermocouple, and the temperature in order to each depth to described underground gasification furnace carries out Real-Time Monitoring.
Further, be provided with sleeve pipe (not shown) in each gaging hole 4 described, and the lowered position of described sleeve pipe and described underground gasification furnace are in same coal seam, described thermocouple is fixed in described sleeve pipe.Described sleeve pipe is what seal towards the one end on earth's surface, so, along with the burning of gasification furnace, described gas channel constantly will expand and form burned out area 3, the sleeve pipe of part gaging hole 4 will be communicated to described burned out area 3, now will be full of the coal gas sample of underground gasification furnace in this sleeve pipe.So, can offer a thief hatch on this sleeve pipe, the pipe box being then communicated to gas channel by this can obtain the sample in described underground gasification furnace, thus the sample component realized in underground gasification furnace described in Real-Time Monitoring and pressure data.Further, the above-mentioned gaging hole 4 being communicated to gas channel can also meet underground gasification furnace inrush of air and the demand of giving vent to anger.
See also Fig. 2, described some gaging holes 4 can be arranged (as shown in Figure 1) with the line direction of venthole 2 along described air inlet 1 in single-row, also can arrange (as shown in Figure 2) in the line direction along described air inlet 1 and venthole 2 in multiple row, and described often row gaging hole 4 is all arranged at apart from described air inlet 1 with in venthole 2 line preset range.This preset range is determined according to the combustion range of described underground gasification furnace, in the present embodiment, to be preferably arranged at by described gaging hole 4 apart from described air inlet 1 with within the scope of the 0-20 rice of venthole 2 line, to be namely arranged on the peripheral extent of described burned out area 3.
As shown in Figure 1, the adjacent holes spacing of described often row gaging hole 4 is more than or equal to 5 meters, and often row gaging hole 4 is more than or equal to 5 meters near a gaging hole 4 of air inlet 1 with the distance of described air inlet 1, and the gaging hole 4 near venthole 2 is more than or equal to 5 meters with the distance of described venthole 2.It is concrete that often row gaging hole 4 equals 5 meters near a gaging hole 4 of air inlet 1 with the distance of described air inlet 1, and the gaging hole 4 near venthole 2 equals 10 meters with the distance of described venthole 2 in the present embodiment, but not as limit.
Be understandable that, described gaging hole 4, except can realizing the monitoring of temperature, pressure data and sample composition, also can realize down-hole pollutant or lime-ash sampling, underground humidity detection, down-hole realtime graphic monitoring etc.
The underground gasification furnace of the present embodiment is in its running, thermocouple in described gaging hole realizes the Real-Time Monitoring to described underground gasification furnace temperature, and along with the burning of underground gasification furnace, sleeve pipe in part gaging hole 4 is communicated with gas channel, coal gas sample is full of in sleeve pipe, namely carry out real-time sampling by this sleeve pipe, realize the Real-Time Monitoring of sample component to described underground gasification furnace and pressure data.Obviously, the underground gasification furnace of this motion at least can realize the Real-Time Monitoring to own temperature, sample composition and pressure data, can determine own combustion state more in time, accurately.
Referring to Fig. 3, is the surface infrastructure schematic diagram of the coal underground gasifying furnace of second embodiment of the invention.This underground gasification furnace is similar to the underground gasification furnace of the first embodiment, and its difference is only: the underground gasification furnace of the first embodiment is an air inlet 1 is the single gasification furnace of straight line with the line of venthole 2; And the line that the underground gasification furnace of this second embodiment is an air inlet 1 and venthole 2 is the multiple-unit gasification furnace of L shape.The concrete structure of the gaging hole 4 in the underground gasification furnace in the present embodiment is identical with the structure of the gaging hole 4 in the first embodiment, and in this embodiment, the method for arranging of gaging hole 4 is also identical with the method for arranging of gaging hole 4 in the first embodiment, just no longer describes in detail at this.
Referring to Fig. 4, is the surface infrastructure schematic diagram of the coal underground gasifying furnace of third embodiment of the invention.This underground gasification furnace is similar to the underground gasification furnace of the first embodiment, and its difference is only: the underground gasification furnace of the first embodiment is an air inlet 1 is the single gasification furnace of straight line with the line of venthole 2; And the line that the underground gasification furnace of the 3rd embodiment is an air inlet 1 and venthole 2 is the multiple-unit gasification furnace of V-arrangement.The concrete structure of the gaging hole 4 in the underground gasification furnace in the present embodiment is identical with the structure of the gaging hole 4 in the first embodiment, and in this embodiment, the method for arranging of gaging hole 4 is also identical with the method for arranging of gaging hole 4 in the first embodiment, just no longer describes in detail at this.
Referring to Fig. 5, is the surface infrastructure schematic diagram of the coal underground gasifying furnace of fourth embodiment of the invention.This underground gasification furnace is similar to the underground gasification furnace of the first embodiment, and its difference is only: the underground gasification furnace of the first embodiment is an air inlet 1 is the single gasification furnace of straight line with the line of venthole 2; And the line that the underground gasification furnace of the 4th embodiment is an air inlet 1 and venthole 2 is Z-shaped or the multiple-unit gasification furnace of "the" shape.The concrete structure of the gaging hole 4 in the underground gasification furnace in the present embodiment is identical with the structure of the gaging hole 4 in the first embodiment, and in this embodiment, the method for arranging of gaging hole 4 is also identical with the method for arranging of gaging hole 4 in the first embodiment, just no longer describes in detail at this.
Refer to Fig. 6, the present invention also provides a kind of burning of above-mentioned underground gasification furnace to determine state defining method, comprises the following steps:
In S1, line preset range between distance underground gasification furnace air inlet 1 and venthole 2, several gaging holes 4 are set;
S2, some temperature sensings point is set at the different hole depth places of described gaging hole 4;
The temperature of the different hole depth of the temperature sensing point Real-Time Monitoring in S3, described gaging hole 4; And
S4, gathered the coal gas sample of described underground gasification furnace by gaging hole 4, to monitor pressure data in described gasification furnace and coal gas sample component;
S5, the temperature according to gathering in each gaging hole 4, pressure data and sample component, determine described combustion state of underground coal gasification furnace.
Wherein, in described step S1, described some gaging holes 4 pass to the coal seam of described underground gasification furnace, can arrange (as shown in Figure 1) with the line direction of venthole 2 along described air inlet 1 in single-row, also can arrange (as shown in Figure 2) in the line direction along described air inlet 1 and venthole 2 in multiple row, and described often row gaging hole 4 is all arranged at apart from described air inlet 1 with in venthole 2 line preset range.This preset range is determined according to the combustion range of described underground gasification furnace, in the present embodiment, to be preferably arranged at by described gaging hole 4 apart from described air inlet 1 with within the scope of the 0-20 rice of venthole 2 line, to be namely arranged on the peripheral extent of described burned out area 3.
In present embodiment, further, the adjacent holes spacing of described often row gaging hole 4 is more than or equal to 5 meters, and often row gaging hole 4 is more than or equal to 5 meters near a gaging hole 4 of air inlet 1 with the distance of described air inlet 1, and the gaging hole 4 near venthole 2 is more than or equal to 5 meters with the distance of described venthole 2.Wherein, described step S2 specifically comprises the following steps:
S21, sleeve pipe is set in described gaging hole, makes the lower position of sleeve pipe and described underground gasification furnace be in same coal seam;
S22, thermocouple is set at the diverse location of described sleeve pipe, forms described temperature sensing point.
Because each gaging hole 4 described is provided with temperature sensing point in different hole depth place, described temperature sensing point is formed by thermocouple, and the temperature in order to each depth to described underground gasification furnace carries out Real-Time Monitoring.
Described sleeve pipe is what seal towards the one end on earth's surface, so, along with the burning of underground gasification furnace, described gas channel constantly expands and forms burned out area 3, part gaging hole 4 is communicated to described burned out area 3, make the sleeve pipe in gaging hole 4 also be communicated to described burned out area 3, now will be full of the coal gas sample of underground gasification furnace in this sleeve pipe.So, can offer a thief hatch on this sleeve pipe, the pipe box being then communicated to gas channel by this can obtain the sample in described underground gasification furnace, thus the sample component realized in underground gasification furnace described in Real-Time Monitoring and pressure data.Further, the above-mentioned gaging hole 4 being communicated to gas channel can also meet underground gasification furnace inrush of air and the demand of giving vent to anger.
In step s 5, after getting the temperature regime of described underground gasification furnace interior, sample composition and pressure data, staff can judge the combustion position in described underground gasification furnace according to the above-mentioned data monitored.
The fired state defining method of the coal underground gasifying furnace of the present embodiment, by the temperature in the thermocouple Real-Time Monitoring underground gasification furnace in the gaging hole of setting, and the sample Real-Time Monitoring sample component got by the sleeve pipe be communicated in the gaging hole of gas channel and pressure data, staff can judge the combustion position in underground gasification furnace from the above-mentioned data real-time monitored.Obviously, the combustion position of this underground gasification furnace is drawn by the visual data of Real-time Obtaining, judge more timely, the degree of accuracy is higher.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize manual of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a coal underground gasifying furnace, comprise air inlet (1), venthole (2), be formed at the gas channel between air inlet (1) and venthole (2), it is characterized in that: described underground gasification furnace also comprises some gaging holes (4), described some gaging holes (4) are arranged at described air inlet (1) with in the preset range of the vertical direction of venthole (2) line, and described gaging hole (4) passes to the coal seam of described underground gasification furnace, the temperature to described underground gasification furnace is at least realized by described gaging hole (4), the monitoring of pressure and sample component.
2. coal underground gasifying furnace as claimed in claim 1, it is characterized in that: described each gaging hole (4) is provided with temperature sensing point in different hole depth place, described temperature sensing point is formed by thermocouple, realizes the monitoring to described underground gasification furnace temperature.
3. coal underground gasifying furnace as claimed in claim 2, it is characterized in that: described gaging hole is provided with sleeve pipe in (4), lowered position and the described underground gasification furnace of described sleeve pipe are in same coal seam, described thermocouple is fixed in described sleeve pipe, described gasification tunnel constantly expands and forms burned out area (3) along with the burning in coal seam, sleeve pipe at least one described gaging hole (4) is communicated to described burned out area (3), by the sample component in underground gasification furnace described in the described casing monitoring being communicated to burned out area (3) and pressure data.
4. coal underground gasifying furnace as claimed in claim 1, it is characterized in that: described underground gasification furnace is the elongated single gasification furnace of gas channel, or for gas channel is L-type, V-arrangement or Z-shaped multiple-unit gasification furnace, the line between described air inlet (1) and venthole (2) corresponds to straight line, L shape, V-arrangement or Z-shaped.
5. the coal underground gasifying furnace as described in any one of claim 1-4, it is characterized in that: the line direction of described some gaging holes (4) in single-row or multiple row along described air inlet (1) and venthole (2) is arranged in apart within the scope of the line 0-20 rice between described air inlet (1) and venthole (2), and the pitch of holes of described often row gaging hole (4) is more than or equal to 5 meters.
6. coal underground gasifying furnace as claimed in claim 5, it is characterized in that: described often row gaging hole (4) is more than or equal to 5 meters near a gaging hole (4) of air inlet (1) and the distance of described air inlet (1), be more than or equal to 5 meters near the gaging hole (4) of venthole (2) and the distance of described venthole (2).
7. a combustion state of underground coal gasification furnace defining method, is characterized in that, comprises the following steps:
S1, distance underground gasification furnace air inlet (1) and venthole (2) between line preset range in several gaging holes (4) are set;
S2, some temperature sensings point is set at the different hole depth places of described gaging hole (4);
The temperature of the different hole depth of the temperature sensing point Real-Time Monitoring in S3, described gaging hole (4); And
S4, gathered the coal gas sample of described underground gasification furnace by gaging hole (4), to monitor pressure data in described gasification furnace and coal gas sample component;
S5, temperature, pressure data and sample component according to gathering in each gaging hole, determine described combustion state of underground coal gasification furnace.
8. combustion state of underground coal gasification furnace defining method according to claim 7, it is characterized in that, described step S1 is specially: before described gasifier operation, be arranged in apart within the scope of the line 0-20 rice between described air inlet (1) and venthole (2) in the line direction along described air inlet (1) and venthole (2) that is single-row or multiple row in advance, and often row gaging hole (4) is arranged in such a way: described each gaging hole (4) passes to the coal seam of described underground gasification furnace, the pitch of holes of described often row gaging hole (4) is more than or equal to 5 meters, often row gaging hole (4) is more than or equal to 5 meters near a gaging hole (4) of air inlet (1) and the distance of described air inlet (1), 5 meters are more than or equal near the gaging hole (4) of venthole (2) and the distance of described venthole (2).
9. combustion state of underground coal gasification furnace defining method according to claim 7, is characterized in that, described step S2 comprises the following steps:
S21, sleeve pipe is set in described gaging hole (4), makes the lower position of sleeve pipe and described underground gasification furnace be in same coal seam;
S22, thermocouple is set at the diverse location of described sleeve pipe, forms described temperature sensing point.
10. the combustion state of underground coal gasification furnace defining method according to any one of claim 7-9, it is characterized in that, along with the burning of described underground gasification furnace, described gas channel constantly expands and forms burned out area (3), at least one described gaging hole (4) is communicated to described burned out area (3), and described step S4 is specially: gather sample component in underground gasification furnace and pressure data by the described sleeve pipe being communicated to burned out area (3).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462689A (en) * | 2017-08-24 | 2017-12-12 | 新疆国利衡清洁能源科技有限公司 | A kind of underground coal gasification(UCG) coal gas loss boundary demarcation system and its scaling method |
| CN114109345A (en) * | 2021-11-29 | 2022-03-01 | 扎赉诺尔煤业有限责任公司 | Coal underground gasification furnace capable of determining combustion state |
| CN114412432A (en) * | 2021-12-28 | 2022-04-29 | 中国矿业大学 | Coal underground gasification on-way sampling simulation experiment system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113670A (en) * | 2007-09-04 | 2008-01-30 | 新奥能源研究院有限公司 | Coal underground gasifying technology |
| CN101649735A (en) * | 2009-06-24 | 2010-02-17 | 新奥科技发展有限公司 | Method, system and device for identifying combustion state of underground coal gasification furnace |
| CN102419158A (en) * | 2010-09-27 | 2012-04-18 | 新奥科技发展有限公司 | Method for acquiring shape of combustion space area in underground coal gasification model test furnace |
| JP4968998B2 (en) * | 2001-09-10 | 2012-07-04 | 三菱重工業株式会社 | Gas hydrate mining system |
| CN102721485A (en) * | 2012-06-29 | 2012-10-10 | 新奥气化采煤有限公司 | Real-time monitoring method for two-dimensional planar temperature field of underground coal gasification furnace |
| CN203383813U (en) * | 2013-06-21 | 2014-01-08 | 华北科技学院 | Coal underground gasification layer temperature measuring device |
| CN104018825A (en) * | 2014-06-13 | 2014-09-03 | 新奥气化采煤有限公司 | Method, device and system for determining temperature of coal gasification fire area |
-
2014
- 2014-12-05 CN CN201410733959.6A patent/CN104533379B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4968998B2 (en) * | 2001-09-10 | 2012-07-04 | 三菱重工業株式会社 | Gas hydrate mining system |
| CN101113670A (en) * | 2007-09-04 | 2008-01-30 | 新奥能源研究院有限公司 | Coal underground gasifying technology |
| CN101649735A (en) * | 2009-06-24 | 2010-02-17 | 新奥科技发展有限公司 | Method, system and device for identifying combustion state of underground coal gasification furnace |
| CN102419158A (en) * | 2010-09-27 | 2012-04-18 | 新奥科技发展有限公司 | Method for acquiring shape of combustion space area in underground coal gasification model test furnace |
| CN102721485A (en) * | 2012-06-29 | 2012-10-10 | 新奥气化采煤有限公司 | Real-time monitoring method for two-dimensional planar temperature field of underground coal gasification furnace |
| CN203383813U (en) * | 2013-06-21 | 2014-01-08 | 华北科技学院 | Coal underground gasification layer temperature measuring device |
| CN104018825A (en) * | 2014-06-13 | 2014-09-03 | 新奥气化采煤有限公司 | Method, device and system for determining temperature of coal gasification fire area |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462689A (en) * | 2017-08-24 | 2017-12-12 | 新疆国利衡清洁能源科技有限公司 | A kind of underground coal gasification(UCG) coal gas loss boundary demarcation system and its scaling method |
| CN114109345A (en) * | 2021-11-29 | 2022-03-01 | 扎赉诺尔煤业有限责任公司 | Coal underground gasification furnace capable of determining combustion state |
| CN114109345B (en) * | 2021-11-29 | 2023-09-19 | 扎赉诺尔煤业有限责任公司 | Coal underground gasification furnace capable of determining combustion state |
| CN114412432A (en) * | 2021-12-28 | 2022-04-29 | 中国矿业大学 | Coal underground gasification on-way sampling simulation experiment system and method |
| CN114412432B (en) * | 2021-12-28 | 2024-02-09 | 中国矿业大学 | Underground coal gasification along-path sampling simulation experiment system and method |
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