CN114439536A - Device for preventing spontaneous combustion of coal in coal bed - Google Patents
Device for preventing spontaneous combustion of coal in coal bed Download PDFInfo
- Publication number
- CN114439536A CN114439536A CN202210125154.8A CN202210125154A CN114439536A CN 114439536 A CN114439536 A CN 114439536A CN 202210125154 A CN202210125154 A CN 202210125154A CN 114439536 A CN114439536 A CN 114439536A
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- Prior art keywords
- pipe
- heat dissipation
- coal
- coal seam
- chamber
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- 239000003245 coal Substances 0.000 title claims abstract description 94
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 22
- 230000002269 spontaneous effect Effects 0.000 title claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims abstract description 88
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 46
- 239000011261 inert gas Substances 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005192 partition Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Solid-Fuel Combustion (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a device for preventing spontaneous combustion of coal in a coal seam, which comprises the coal seam, a heat dissipation part and a heat dissipation part, wherein the heat dissipation part is arranged in the coal seam and comprises a plurality of heat dissipation assemblies; the driving part is arranged on the heat dissipation main pipe, and the heat dissipation main pipe performs air suction and exhaust through the driving part; annotate liquid portion, set up on the heat dissipation is responsible for, annotate liquid portion and be responsible for with the heat dissipation and can dismantle and be connected, annotate liquid portion and intake pipe intercommunication. The invention can improve the heat dissipation effect of the coal seam and reduce the heat dissipation cost.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a device for preventing spontaneous combustion of coal in a coal bed.
Background
In the coal mining process, because the coal in the coal seam contacts with the outside air, the coal is oxidized and gives off heat, and the given off heat cannot be effectively released, the temperature in the coal seam is increased, and finally the temperature reaches the spontaneous combustion point of the coal, so that the spontaneous combustion of the coal is caused.
Among the prior art, adopt the mode of injecting inert gas or slip casting into the coal seam usually, reduce active air content in the coal seam, cool down the processing to the coal seam simultaneously to avoid the production of coal spontaneous combustion, this kind of mode use cost is higher, and the result of use is relatively poor, consequently need a device for preventing coal spontaneous combustion in the coal seam, improve the radiating effect to the coal seam, reduce its radiating cost simultaneously.
Disclosure of Invention
The invention aims to provide a device for preventing coal in a coal seam from spontaneous combustion, which is used for solving the problems in the prior art, improving the heat dissipation effect of the coal seam and reducing the heat dissipation cost of the coal seam.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a device for preventing spontaneous combustion of coal in a coal bed, which comprises the coal bed,
the heat dissipation part is arranged in the coal layer and comprises a plurality of heat dissipation assemblies, the heat dissipation assemblies are arranged in the coal layer and are communicated with a heat dissipation main pipe, the heat dissipation main pipe is positioned outside the coal layer and comprises an air inlet pipe and an air outlet pipe, the air outlet pipe of any one heat dissipation assembly is arranged corresponding to the air inlet pipe of another adjacent heat dissipation assembly, and the air outlet pipe of any one heat dissipation assembly is communicated with the air inlet pipe of another adjacent heat dissipation assembly;
the driving part is arranged on the heat dissipation main pipe, and the heat dissipation main pipe performs air suction and air exhaust through the driving part;
the liquid injection part is arranged on the heat dissipation main pipe, the liquid injection part is detachably connected with the heat dissipation main pipe, and the liquid injection part is communicated with the air inlet pipe.
Preferably, the air inlet pipe is communicated with a plurality of air inlet branch pipes, the exhaust pipe is communicated with a plurality of exhaust branch pipes, and any exhaust pipe is communicated with the air inlet pipe of the other adjacent heat dissipation assembly through the exhaust branch pipe.
Preferably, the heat dissipation is responsible for and goes up the rigid coupling and has a plurality of communicating pipes, the intake pipe with the blast pipe passes through communicating pipe with the heat dissipation is responsible for the intercommunication, the rigid coupling has first division board in the communicating pipe, first division board will communicating pipe separates for admit air chamber and exhaust chamber, admit air the chamber with the intake pipe intercommunication, exhaust chamber with the blast pipe intercommunication.
Preferably, a second partition plate is fixedly connected in the heat dissipation main pipe, the heat dissipation main pipe is divided into an extrusion cavity and a suction cavity by the second partition plate, the air outlet end of the exhaust cavity is communicated with the suction cavity, and the air inlet end of the air inlet cavity is communicated with the extrusion cavity.
Preferably, the drive division include with the heat dissipation is responsible for fixed suction tube and extrusion pipe, the suction tube with suction chamber intercommunication, be provided with the suction fan in the suction tube, the suction tube is provided with the rotating electrical machines outward, the rotating electrical machines output shaft with suction fan rigid coupling, the extrusion pipe with extrusion chamber intercommunication, be provided with the extrusion fan in the extrusion pipe, the extrusion fan with the rotating electrical machines transmission is connected.
Preferably, the suction pipe is communicated with an inert gas collecting box, and the extrusion pipe is communicated with an inert gas discharging box.
Preferably, the extrusion intracavity is fixed with the installation pipe, the extrusion chamber pass through the installation pipe with the chamber intercommunication of admitting air, annotate liquid portion including setting up the liquid in the extrusion intracavity advances the pipe, liquid advances a tub play liquid end with the installation pipe corresponds the setting, the heat dissipation is responsible for and is provided with the liquid storage box outward, the liquid storage box with liquid advances the pipe intercommunication.
Preferably, the installation pipe is of a circular truncated cone structure, and the diameter of one end, close to the installation pipe, of the liquid inlet pipe is smaller than that of the installation pipe.
Preferably, a temperature sensor is fixedly connected in the exhaust pipe.
The invention discloses the following technical effects:
1. through intake pipe and blast pipe cooperation, the intake pipe lets in inert gas to the coal seam, and inert gas gets into the blast pipe after the active gas in the extrusion coal seam takes away the partial heat in the coal seam, through the collection of the heat dissipation person in charge, can retrieve partial inert gas to use next time, and then reduced use cost.
2. Be provided with notes liquid portion, after intake pipe and blast pipe cooperation can't satisfy the heat dissipation requirement to the coal seam, notes liquid portion starts, through the intake pipe to the in-seam slip casting, and in partial thick liquid portability heat got into the heat dissipation main pipe by the blast pipe, through the reuse to the thick liquid, reduction in service cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an apparatus for preventing spontaneous combustion of coal in a coal seam;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the liquid injection part;
FIG. 4 is a schematic structural diagram of the driving part;
the system comprises a coal seam 1, a heat dissipation main pipe 2, an air inlet pipe 3, an air exhaust pipe 4, an air inlet branch pipe 5, an air exhaust branch pipe 6, a communicating pipe 7, a first partition plate 8, an air inlet cavity 9, an air exhaust cavity 10, a second partition plate 11, an extrusion cavity 12, a suction cavity 13, a suction pipe 14, an extrusion pipe 15, a suction fan 16, a rotating motor 17, an extrusion fan 18, an inert gas collecting box 19, an inert gas discharging box 20, an installation pipe 21, a liquid inlet pipe 22, a liquid storage box 23, a temperature sensor 24, a first gear 25 and a second gear 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a device for preventing spontaneous combustion of coal in a coal seam, which comprises a coal seam 1 and a heat dissipation part, wherein the heat dissipation part is arranged in the coal seam 1 and comprises a plurality of heat dissipation assemblies, the heat dissipation assemblies are arranged in the coal seam 1 and are communicated with a heat dissipation main pipe 2, the heat dissipation main pipe 2 is positioned outside the coal seam 1 and comprises an air inlet pipe 3 and an air outlet pipe 4, the air outlet pipe 4 of any heat dissipation assembly is arranged corresponding to the air inlet pipe 3 of another adjacent heat dissipation assembly, and the air outlet pipe 4 of any heat dissipation assembly is communicated with the air inlet pipe 3 of another adjacent heat dissipation assembly; the driving part is arranged on the heat dissipation main pipe 2, and the heat dissipation main pipe 2 performs air suction and exhaust through the driving part; annotate liquid portion, set up on the heat dissipation is responsible for 2, annotate liquid portion and heat dissipation and be responsible for 2 and can dismantle the connection, annotate liquid portion and intake pipe 3 intercommunication.
When dispelling the heat to coal seam 1, the drive division starts, promote inert gas and get into in the heat dissipation person in charge 2, and be responsible for 2 entering intake pipe 3 through the heat dissipation, inert gas discharges into coal seam 1 through intake pipe 3, get into blast pipe 4 after the part heat in the extrusion coal seam 1 is flourished gas and is taken away the coal seam 1, a plurality of blast pipes 4 are responsible for 2 through the heat dissipation and collect inert gas, after intake pipe 3 and blast pipe 4 can not satisfy the heat dissipation demand, annotate liquid portion and start, make notes liquid portion and 3 intercommunications of intake pipe, through the slip casting in intake pipe 3 to coal seam 1, handle the cooling to coal seam 1.
Further optimize the scheme, the intake pipe 3 is communicated with a plurality of intake branch pipes 5, the exhaust pipe 4 is communicated with a plurality of exhaust branch pipes 6, and any exhaust pipe 4 is communicated with the intake pipe 3 of another adjacent radiating component through the exhaust branch pipes 6. The air inlet branch pipes 5 are provided in plurality for better discharging inert gas into the coal seam 1, and similarly, the air outlet branch pipes 6 are provided in plurality for better absorbing inert gas from the coal seam 1. That is, one air inlet branch pipe 5 discharges inert gas, and the inert gas is extracted by the other air outlet branch pipe 6 after passing through the gap of the coal seam 1, so that the active air amount contained in the coal seam 1 is reduced, the probability of the coal oxidation reaction is reduced, meanwhile, the inert gas can take away part of heat in the coal seam 1, and the probability of the spontaneous combustion of the coal is further reduced.
Further optimization scheme, the rigid coupling has a plurality of communicating pipes 7 on the heat dissipation is responsible for 2, and intake pipe 3 and blast pipe 4 are responsible for 2 intercommunications with the heat dissipation through communicating pipe 7, and the rigid coupling has first division board 8 in communicating pipe 7, and first division board 8 separates communicating pipe 7 for admit air chamber 9 and exhaust chamber 10, admit air chamber 9 and intake pipe 3 intercommunication, exhaust chamber 10 and blast pipe 4 intercommunication. The communicating pipe 7 is used for connecting the heat dissipation main pipe 2, the air inlet pipe 3 and the exhaust pipe 4, and under the action of the first partition plate 8, the air inlet cavity 9 and the exhaust cavity 10 do not interfere with each other, so that the air inlet cavity 9 provides inert gas, and the exhaust cavity 10 collects the inert gas.
According to the further optimization scheme, the second partition plate 11 is fixedly connected in the heat dissipation main pipe 2, the heat dissipation main pipe 2 is divided into the extrusion cavity 12 and the suction cavity 13 by the second partition plate 11, the air outlet end of the exhaust cavity 10 is communicated with the suction cavity 13, and the air inlet end of the air inlet cavity 9 is communicated with the extrusion cavity 12. The inert gas in the extrusion chamber 12 enters the air inlet chamber 9, and the suction chamber 13 is pumped, so that the air in the exhaust chamber 10 is pumped into the suction chamber 13 under the action of the negative pressure.
In one embodiment of the present invention, the first partition plate 8 and the second partition plate 11 are made of heat insulating material. The purpose is to prevent heat exchange between the used inert gas and the unused inert gas, thereby influencing the using effect of the unused inert gas.
Further optimization scheme, the drive division includes and is responsible for 2 fixed suction tube 14 and the extrusion pipe 15 with the heat dissipation, and suction tube 14 and suction chamber 13 intercommunication are provided with suction fan 16 in the suction tube 14, and suction tube 14 is provided with rotating electrical machines 17 outward, and rotating electrical machines 17 output shaft and suction fan 16 rigid coupling extrude pipe 15 and extrude chamber 12 intercommunication, are provided with extrusion fan 18 in the extrusion pipe 15, and extrusion fan 18 is connected with rotating electrical machines 17 transmission. The rotary motor 17 operates to rotate the suction fan 16 to perform an air suction operation to the suction chamber 13.
In one embodiment of the present invention, a first gear 25 is fixed to the output shaft of the rotating electrical machine 17, a second gear 26 is fixed to the extruding fan 18, and the first gear 25 is engaged with the second gear 26. The rotating motor 17 is operated to rotate the first gear 25, and since the second gear 26 is engaged with the first gear 25, the rotation direction of the second gear 26 is opposite to the rotation direction of the first gear 25, that is, when the suction fan 16 sucks air from the suction chamber 13, the extrusion fan 18 rotates and introduces the inert gas into the extrusion chamber 12.
In a further optimized scheme, the suction pipe 14 is communicated with an inert gas collecting box 19, and the extrusion pipe 15 is communicated with an inert gas discharging box 20. The used inert gas is collected by the inert gas collecting box 19, the gas in the inert gas collecting box 19 is treated to obtain new usable inert gas, and the obtained new inert gas is introduced into the inert gas discharging box 20. Meanwhile, the inert gas collection tank 19 can be used as a slurry collection tank when the liquid injection part is operated.
Further optimize the scheme, be fixed with installation pipe 21 in the extrusion chamber 12, extrusion chamber 12 is through installation pipe 21 and air inlet chamber 9 intercommunication, and liquid portion of annotating advances pipe 22 including the liquid that sets up in extrusion chamber 12, and liquid advances pipe 22 and goes out the liquid end and correspond the setting with installation pipe 21, and the heat dissipation is responsible for and is provided with liquid storage tank 23 outside 2, and liquid storage tank 23 advances pipe 22 with liquid and communicates. When intake pipe 3 and blast pipe 4 satisfied the heat dissipation demand, liquid advances pipe 22 need not communicate with installation pipe 21, and inert gas gets into in intake pipe 3 by installation pipe 21, and when intake pipe 3 and blast pipe 4 unsatisfied the heat dissipation demand, promotes liquid and advances pipe 22 for liquid advances pipe 22 and installation pipe 21 intercommunication, and injects the thick liquid into installation pipe 21 and intake pipe 3 through liquid storage tank 23.
In a further optimized scheme, the installation pipe 21 is of a circular truncated cone structure, and the diameter of one end, close to the installation pipe 21, of the liquid inlet pipe 22 is smaller than that of the installation pipe 21. The arrangement of the truncated cone-shaped structure can make the liquid inlet pipe 22 be easily installed in the installation pipe 21.
In a further optimized scheme, a temperature sensor 24 is fixedly connected in the exhaust pipe 4. The temperature sensor 24 is used for monitoring the temperature in the exhaust pipe 4, and whether the heat dissipation of the coal seam meets a preset value or not is judged through the coal seam temperature fed back by the temperature sensor 24. Due to the existence of the temperature sensor 24, monitoring personnel can quickly find the temperature rising position of the coal seam 1 and start the liquid injection part at the corresponding position so as to perform fixed-point heat dissipation on the temperature rising position of the coal seam 1.
The use principle is as follows:
when the coal seam 1 is radiated, the rotating motor 17 is started to drive the suction fan 16 to rotate, the suction cavity 13 is pumped, meanwhile, under the action of the first gear 25 and the second gear 26, the extrusion fan 18 introduces inert gas into the extrusion cavity 12, the inert gas enters the air inlet pipe 3 after passing through the extrusion cavity 12 and the air inlet cavity 9, the inert gas is discharged into the coal seam 1 through the air inlet pipe 3, active gas in the coal seam 1 is extruded and partial heat in the coal seam 1 is taken away, the active gas enters the exhaust pipes 4, the exhaust pipes 4 collect the inert gas through the exhaust cavity 10, in the process, the temperature sensor 24 monitors the temperature in the exhaust pipes 4, when the temperature sensor 24 monitors that the temperature in one exhaust pipe 4 is abnormal, the corresponding liquid injection part is started, so that the liquid inlet pipe 22 is communicated with the air inlet pipe 3, grouting is carried out in the coal seam 1 through the air inlet pipe 3, and the coal seam 1 is cooled.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. A device for preventing spontaneous combustion of coal in a coal seam comprises the coal seam (1) and is characterized in that,
the heat dissipation part is arranged in the coal seam (1) and comprises a plurality of heat dissipation assemblies, the heat dissipation assemblies are arranged in the coal seam (1) and are communicated with a heat dissipation main pipe (2), the heat dissipation main pipe (2) is positioned outside the coal seam (1), each heat dissipation assembly comprises an air inlet pipe (3) and an air outlet pipe (4), the air outlet pipe (4) of any heat dissipation assembly is arranged corresponding to the air inlet pipe (3) of another adjacent heat dissipation assembly, and the air outlet pipe (4) of any heat dissipation assembly is communicated with the air inlet pipe (3) of another adjacent heat dissipation assembly;
the driving part is arranged on the heat dissipation main pipe (2), and the heat dissipation main pipe (2) performs air suction and air exhaust through the driving part;
the liquid injection part is arranged on the heat dissipation main pipe (2), the liquid injection part is detachably connected with the heat dissipation main pipe (2), and the liquid injection part is communicated with the air inlet pipe (3).
2. The apparatus of claim 1 for preventing spontaneous combustion of coal in a coal seam, wherein: the air inlet pipe (3) is communicated with a plurality of air inlet branch pipes (5), the exhaust pipe (4) is communicated with a plurality of exhaust branch pipes (6), and any exhaust pipe (4) is communicated with the air inlet pipe (3) of the heat dissipation assembly through the exhaust branch pipes (6).
3. The apparatus of claim 1 for preventing spontaneous combustion of coal in a coal seam, wherein: the utility model discloses a heat dissipation device, including heat dissipation person in charge (2), intake pipe (3) and blast pipe (4) are passed through communicating pipe (7) with the heat dissipation is responsible for (2) intercommunication, the rigid coupling has first division board (8) in communicating pipe (7), first division board (8) will communicating pipe (7) are separated for admit air chamber (9) and exhaust chamber (10), admit air chamber (9) with intake pipe (3) intercommunication, exhaust chamber (10) with blast pipe (4) intercommunication.
4. The apparatus of claim 3 for preventing spontaneous combustion of coal in a coal seam, wherein: the heat dissipation is responsible for in (2) rigid coupling second division board (11), second division board (11) will the heat dissipation is responsible for (2) and is separated for extrusion chamber (12) and suction chamber (13), the end of giving vent to anger in exhaust chamber (10) with suction chamber (13) intercommunication, admit air chamber (9) inlet end with extrusion chamber (12) intercommunication.
5. The apparatus of claim 4 for preventing spontaneous combustion of coal in a coal seam, wherein: the drive division include with the heat dissipation is responsible for fixed suction tube (14) and extrusion pipe (15) of (2), suction tube (14) with suction chamber (13) intercommunication, be provided with in suction tube (14) suction fan (16), suction tube (14) are provided with rotating electrical machines (17) outward, rotating electrical machines (17) output shaft with suction fan (16) rigid coupling, extrusion pipe (15) with extrusion chamber (12) intercommunication, be provided with extrusion fan (18) in extrusion pipe (15), extrusion fan (18) with rotating electrical machines (17) transmission is connected.
6. The apparatus of claim 5 for preventing spontaneous combustion of coal in a coal seam, wherein: the suction pipe (14) is communicated with an inert gas collecting box (19), and the extrusion pipe (15) is communicated with an inert gas discharging box (20).
7. The apparatus of claim 4 for preventing spontaneous combustion of coal in a coal seam, wherein: the utility model discloses a heat dissipation device, including extrusion chamber (12), extrusion chamber (12) internal fixation has installation pipe (21), extrusion chamber (12) pass through installation pipe (21) with air intake chamber (9) intercommunication, liquid injection portion is including setting up liquid in extrusion chamber (12) advances pipe (22), liquid advance pipe (22) play liquid end with installation pipe (21) correspond the setting, the heat dissipation is responsible for (2) and is provided with liquid storage tank (23) outward, liquid storage tank (23) with liquid advances pipe (22) intercommunication.
8. The apparatus of claim 7 for preventing spontaneous combustion of coal in a coal seam, wherein: the installation pipe (21) is of a circular truncated cone structure, and the diameter of one end, close to the installation pipe (21), of the liquid inlet pipe (22) is smaller than that of the installation pipe (21).
9. The apparatus of claim 1 for preventing spontaneous combustion of coal in a coal seam, wherein: and a temperature sensor (24) is fixedly connected in the exhaust pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125154.8A CN114439536B (en) | 2022-02-10 | 2022-02-10 | Device for preventing spontaneous combustion of coal in coal bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125154.8A CN114439536B (en) | 2022-02-10 | 2022-02-10 | Device for preventing spontaneous combustion of coal in coal bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114439536A true CN114439536A (en) | 2022-05-06 |
| CN114439536B CN114439536B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210125154.8A Active CN114439536B (en) | 2022-02-10 | 2022-02-10 | Device for preventing spontaneous combustion of coal in coal bed |
Country Status (1)
| Country | Link |
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| CN (1) | CN114439536B (en) |
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| CN103111030A (en) * | 2013-01-05 | 2013-05-22 | 神华集团有限责任公司 | System and method for preventing coal spontaneous combustion or extinguishing coal spontaneous combustion |
| CN205940213U (en) * | 2016-08-16 | 2017-02-08 | 重庆汇田机械制造有限公司 | Barn radiator |
| CN208633865U (en) * | 2018-03-22 | 2019-03-22 | 新汶矿业集团有限责任公司华丰煤矿 | A kind of preventing spontaneous combustion of coal sparking gear |
| CN209166163U (en) * | 2018-10-31 | 2019-07-26 | 郑永涛 | A kind of device that can reduce spontaneous combustionof coal point |
| CN110217534A (en) * | 2019-07-05 | 2019-09-10 | 华能济南黄台发电有限公司 | Prevention and treatment stores the loading line of spontaneous combustionof coal and prevents and treats from burning method |
| CN111760217A (en) * | 2020-07-08 | 2020-10-13 | 山西工程技术学院 | Power generation equipment for preventing and controlling spontaneous combustion of coal gangue dump and heat recovery and control method |
| CN112764440A (en) * | 2020-12-28 | 2021-05-07 | 辽宁工程技术大学 | Method for preventing spontaneous combustion of coal pile by using water injection steel pipe |
| CN214464334U (en) * | 2021-03-04 | 2021-10-22 | 湖南科技大学 | Device for preventing spontaneous combustion of coal in coal bed |
-
2022
- 2022-02-10 CN CN202210125154.8A patent/CN114439536B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111030A (en) * | 2013-01-05 | 2013-05-22 | 神华集团有限责任公司 | System and method for preventing coal spontaneous combustion or extinguishing coal spontaneous combustion |
| CN205940213U (en) * | 2016-08-16 | 2017-02-08 | 重庆汇田机械制造有限公司 | Barn radiator |
| CN208633865U (en) * | 2018-03-22 | 2019-03-22 | 新汶矿业集团有限责任公司华丰煤矿 | A kind of preventing spontaneous combustion of coal sparking gear |
| CN209166163U (en) * | 2018-10-31 | 2019-07-26 | 郑永涛 | A kind of device that can reduce spontaneous combustionof coal point |
| CN110217534A (en) * | 2019-07-05 | 2019-09-10 | 华能济南黄台发电有限公司 | Prevention and treatment stores the loading line of spontaneous combustionof coal and prevents and treats from burning method |
| CN111760217A (en) * | 2020-07-08 | 2020-10-13 | 山西工程技术学院 | Power generation equipment for preventing and controlling spontaneous combustion of coal gangue dump and heat recovery and control method |
| CN112764440A (en) * | 2020-12-28 | 2021-05-07 | 辽宁工程技术大学 | Method for preventing spontaneous combustion of coal pile by using water injection steel pipe |
| CN214464334U (en) * | 2021-03-04 | 2021-10-22 | 湖南科技大学 | Device for preventing spontaneous combustion of coal in coal bed |
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| Publication number | Publication date |
|---|---|
| CN114439536B (en) | 2023-05-30 |
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