CN106787074A - A kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling - Google Patents
A kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling Download PDFInfo
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- CN106787074A CN106787074A CN201710012406.5A CN201710012406A CN106787074A CN 106787074 A CN106787074 A CN 106787074A CN 201710012406 A CN201710012406 A CN 201710012406A CN 106787074 A CN106787074 A CN 106787074A
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- heat conduction
- high heat
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- vacuum tube
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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Abstract
The invention discloses a kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling, including：High heat conduction vacuum tube, radiating fin and refrigerant medium constitute refrigerating module, and refrigerant medium is stored in high heat conduction vacuum tube；High heat conduction vacuum tube is arranged in the regular prism cavity that temperature-difference power generation module is surrounded and forms refrigerating module refrigerating section with the cavity inscribe；High heat conduction vacuum tube upper end extends to formation refrigerating module radiating segment outside high heat conduction cylindrical shell, has radiating fin on refrigerating module radiating segment；High heat conduction cylindrical shell is external with the regular prism cavity that temperature-difference power generation module is surrounded, and gap between high heat conduction vacuum tube and temperature-difference power generation module, between temperature-difference power generation module and high heat conduction cylindrical shell is filled by high heat conduction obturator；Temperature-difference power generation module is connected with energy-storage battery by wire.Simple structure of the present invention, it is reusable, the interior direct generation of electricity that drills can be realized, flame range heat to electricity conversion rate is improved, while flame range temperature can be reduced, administer flame range.
Description
Technical field
The present invention relates to a kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling, belong to thermoelectric conversion device neck
Domain.
Background technology
Underground coal fire refers to after subterranean coal is under fire because of nature or human factor, progressively to be developed into along coal seam and coal is provided
Source and surrounding environment cause the large area coal combustion phenomenon of larger harm.Coal-field fire burning area is big, temperature is high, in flame range
Contain huge heat, the whole world there are about 1,000,000,000 tons of coals and ruined by underground coal baked wheaten cake every year, account for coal total flow
12.5%, the energy of about 1000GW is produced, equivalent to 2.5 times that 500, whole world nuclear power station produces energy summation.
It is used to extract coal-field fire heat energy and being converted into electric energy, the patent of Publication No. CN106026778A
File discloses a kind of sustainable use of coal-field fire heat energy and coal fire governing system and method, including：It is embedded in coal-field fire
Horizontal steel tube simultaneously passes to heat carrier and extracts to ground flame range heat energy, is then changed contained by heat carrier by temperature-difference power generation module again
Heat energy.The system and method are first, by outside flame range heat extraction to flame range, then to carry out heat to electricity conversion to the heat for extracting again.Nothing
Method realizes that the heat of flame range directly is carried out into heat to electricity conversion inside flame range, because flame range heat energy reaches thermo-electric generation in the system
Module carries out generating need to be by coal petrography and heat transfer, the heat conduction of steel pipe tube wall and heat carrier, the heat convection of heat carrier, the heat of steel pipe
The processes such as the heat transfer of carrier and temperature-difference power generation module, involved diabatic process is various, considerably increases thermal loss, especially
Heat carrier will cause extracted heat energy largely with the heat conduction of steel pipe tube wall and heat carrier in the fluid interchange process of pipeline
On scatter and disappear and be lost, cause flame range heat utilization rate low.Horizontal drilling need to complete to bore pilot hole-reaming-dragging laying simultaneously
The processes such as tubing, and work progress carries out in high-temperature stratum, difficulty is big, and quantities is big, and pipeline is difficult to reclaim and repeats
Utilize, use cost is high, relatively low to coal-field fire heat energy power-generating applicability.
Current vertical drilling hole widely used in the governance process of coal-field fire carries out the fire-fighting works such as slip casting, if using fire
The existing fire extinguishing in area drills and carries out direct heat to electricity conversion wherein and can greatly reduce cost, reduce heat loss amount, improves fire
The generating efficiency of area's heat energy, but following problem is faced using vertical drilling hole generating：1st, in remote field ground more than coal-field fire
Area, water and electricity supply is difficult, and conventional electric power generation technology is adopted heat and will contain hot water and transported to earth's surface using a large amount of water in drilling interior circulation,
The heat to electricity conversion station for being set by earth's surface again is generated electricity, and the power generation mode will face shortage of water resources and electric power of equipment supplies difficult asking
Topic；2nd, space is small in fire extinguishing drilling, and TRT need to meet the demand that small space-efficient generates electricity, the device for currently not yet having correlation
The direct generation of electricity in fire extinguishing borehole space is may be implemented in method.
Therefore, those skilled in the art are devoted to that a kind of easy to operate, low cost of exploitation, heat utilization efficiency are high, repeatable make
The coal-field fire fire extinguishing embedded direct electric power generator of drilling, can realize coal-field fire without being gone out under the conditions of outside water and electricity supply
The direct generation of electricity in jet pierer hole, so as to the efficient conversion and coal fire of realizing flame range heat energy are administered.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of coal-field fire fire extinguishing drilling
Embedded direct electric power generator, with simple structure, using and it is easy to maintenance, reusable the features such as, coalfield can be realized
The direct generation of electricity in flame range drilling, greatly simplifies diabatic process, improves heat utilization rate, while flame range temperature can be reduced, reaches
To the purpose for administering flame range.
Technical scheme：To achieve the above object, the technical solution adopted by the present invention is：
A kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling, including high heat conduction vacuum tube, temperature-difference power generation module,
Energy-storage battery, high heat conduction cylindrical shell, high heat conduction obturator, radiating fin and fire extinguishing drilling, and temperature-difference power generation module number
Amount is no less than four；
Wherein, the high heat conduction cylindrical shell be arranged at coal-field fire vertical fire extinguishing drilling in, its upper end open with go out
The top in jet pierer hole maintains an equal level and bottom lock；Temperature-difference power generation module is rectangle tabular, and is vertically arranged at high heat conduction cylindrical shell
In vivo；High heat conduction vacuum tube internal memory contains refrigerant medium, and high heat conduction vacuum tube, radiating fin and refrigerant medium constitute cooling mould
Block；High heat conduction vacuum tube is arranged in the regular prism cavity that temperature-difference power generation module is surrounded, and is surrounded with temperature-difference power generation module
Regular prism cavity inscribe formed refrigerating module refrigerating section；The upper end of high heat conduction vacuum tube extends to high heat conduction cylindrical shell profile
Into refrigerating module radiating segment, its circumferencial direction is provided with radiating fin on refrigerating module radiating segment；High heat conduction cylindrical shell
Inwall is external with the regular prism cavity that temperature-difference power generation module is surrounded, and between high heat conduction vacuum tube and temperature-difference power generation module, temperature
Filled by high heat conduction obturator in gap between difference electricity generation module and high heat conduction cylindrical shell；Temperature-difference power generation module is set with earth's surface
Energy-storage battery by wire be connected.
In the present invention, temperature-difference power generation module is cold end with the tangent position of high heat conduction vacuum tube, by high heat conduction vacuum tube
Heat is passed to earth's surface by the evaporation of interior refrigerant medium, and radiating fin increased the heat-transfer surface of refrigerant medium steam and external environment
Product, accelerating radiating makes steam condense rapidly and return refrigerating module refrigerating section, can be true by high heat conduction by the circulation of refrigerant medium
The heat of blank pipe neighboring area persistently reaches earth's surface, so that the cold end of the temperature-difference power generation module being in contact with high heat conduction vacuum tube
Maintain relatively low temperature.The end that temperature-difference power generation module is in contact with the inwall of high heat conduction cylindrical shell is hot junction, Coal Fire Fields
The heat in area is efficiently conducted to the hot junction of temperature-difference power generation module, heat transfer distances by high heat conduction cylindrical shell and high heat conduction obturator
It is short and thermal resistance is small, so that the cool and heat ends of temperature-difference power generation module maintain the larger temperature difference, realize generating efficiency higher.
Preferably, the refrigerant medium is distilled water, and liquid is kept in high heat conduction vacuum tube under normal temperature, due to negative in pipe
Pressure makes the reduction of its boiling point, easily evaporation of being heated, and evaporation latent heat is big, can efficiently carry heat energy, nonflammable explosive, safety and environmental protection, into
This is relatively low, and liquid filled ratio in high heat conduction vacuum tube is 20%-25%, can efficient heat transfer.
Preferably, the diameter of the high heat conduction cylindrical shell is in 73-127mm.
Preferably, the high heat conduction vacuum tube and radiating fin are made by metallic copper, and radiating fin is used around chip,
Capacity of heat transmission is strong, and is not easy to be corroded and damaged, and service life is long.
Preferably, in order to ensure conductive security, the wire is flexible fire-proof cable.
Preferably, the high heat conduction cylindrical shell inwall has high temperature resisting thermocouple, when thermocouple displays temperature is less than 50
DEG C when can be taken off the TRT.
Beneficial effect：A kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling that the present invention is provided, relative to existing
There is technology, with advantages below：1st, simple structure, cost is relatively low, and working service is convenient, and movement is flexible for installation, and operation safety can
Lean on, it is to avoid build water system or set up the problem of power supply circuit；2nd, can flame range heat extraction totally when take out the device
And reuse, cost, safety and environmental protection, with wide applicability is greatly reduced；3rd, enormously simplify the heat transfer of coal-field fire
Process, effectively increases heat utilization rate, while effectively reducing flame range temperature, reaches the purpose for administering flame range；4th, realize
The direct generation of electricity in coal-field fire drilling, efficiency power generation is realized by keeping the larger temperature difference at the cold and hot end of temperature-difference power generation module,
With good universality.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Figure includes：1st, high heat conduction vacuum tube, 2, temperature-difference power generation module, 3, energy-storage battery, 4, high heat conduction cylindrical shell, 5,
High heat conduction obturator, 6, radiating fin, 7, refrigerating module radiating segment, 8, refrigerating module refrigerating section, 9, refrigerant medium, 10, coalfield
Flame range high-temperature region, 11, fire extinguishing drilling.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the present invention.
It is as shown in Figure 1 a kind of coal-field fire embedded direct electric power generator of drilling, it is characterised in that true including high heat conduction
Blank pipe 1, temperature-difference power generation module 2, energy-storage battery 3, high heat conduction cylindrical shell 4, high heat conduction obturator 5, radiating fin 6 and fire extinguishing
Drilling 11, and the quantity of temperature-difference power generation module 2 is no less than four；
Wherein, the high heat conduction cylindrical shell 4 is arranged in the vertical fire extinguishing drilling 11 of coal-field fire high-temperature region 10, thereon
End opening maintains an equal level and bottom lock with the top of fire extinguishing drilling 11；Temperature-difference power generation module 2 is rectangle tabular, and is vertically arranged at
In high heat conduction cylindrical shell 4；The internal memory of high heat conduction vacuum tube 1 contains refrigerant medium 9, and high heat conduction vacuum tube 1, radiating fin 6 and
Refrigerant medium 9 constitutes refrigerating module；High heat conduction vacuum tube 1 is arranged in the regular prism cavity that temperature-difference power generation module 2 is surrounded, and
The regular prism cavity inscribe surrounded with temperature-difference power generation module 2 forms refrigerating module refrigerating section 8；The upper end of high heat conduction vacuum tube 1
The outer formation refrigerating module radiating segment 7 of high heat conduction cylindrical shell 4 is extended to, is set along its circumferencial direction on refrigerating module radiating segment 7
There is radiating fin 6；The inwall of high heat conduction cylindrical shell 4 is external with the regular prism cavity that temperature-difference power generation module 2 is surrounded, and height is led
Gap between thermal vacuum pipe 1 and temperature-difference power generation module 2, between temperature-difference power generation module 2 and high heat conduction cylindrical shell 4 is by high heat conduction
Obturator 5 is filled；The energy-storage battery 3 that temperature-difference power generation module 2 is set with earth's surface is connected by wire.
In the present embodiment, the refrigerant medium 9 is distilled water, safety and environmental protection and low cost, can efficiently carry heat energy, and
Liquid filled ratio in high heat conduction vacuum tube is 24%, can efficient heat transfer；A diameter of 80mm of the high heat conduction cylindrical shell 4；It is described
High heat conduction vacuum tube 1 and radiating fin 6 are made by metallic copper, and radiating fin 6 is using around chip；The wire is fire resistant flexible
Cable；The inwall of the high heat conduction cylindrical shell 4 has high temperature resisting thermocouple.
Specific embodiment of the invention is as follows：
Fire extinguishing drilling 11 vertically is opened up in the construction of coal-field fire high-temperature region 10 first, the generating is arranged in fire extinguishing drilling 11
Device；Contain higher thermal energy in the coal and rock of coal-field fire high-temperature region 10, heat is filled by high heat conduction cylindrical shell 4, high heat conduction
Body 5 is conducted to the hot junction of temperature-difference power generation module 2, and refrigerant medium 9 is cold by the rapid extraction high heat conduction of evaporation in high heat conduction vacuum tube 1
But modular refrigeration section 8 around heat and pass to earth's surface, steam is cooled down using the radiating fin 6 on refrigerating module radiating segment 7
Lower the temperature and be condensed into liquid refrigerant 9 and flow back to refrigerating module refrigerating section 8 again, being circulated by the evaporative condenser of refrigerant medium 9 can be by
The heat of the neighboring area of high heat conduction vacuum tube 1 persistently reaches earth's surface, so that the thermo-electric generation being in contact with high heat conduction vacuum tube 1
The cold end of module 2 maintains relatively low temperature, therefore, the cool and heat ends of temperature-difference power generation module 2 will maintain the larger temperature difference, and heat energy is just
It is sustainable to be efficiently converted to electric energy.After using a period of time, generating dress is can be taken off when thermocouple displays temperature is less than 50 DEG C
Put, and other high-temperature areas are reused in coal-field fire.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. the embedded direct electric power generator of a kind of coal-field fire fire extinguishing drilling, it is characterised in that including high heat conduction vacuum tube (1),
Temperature-difference power generation module (2), energy-storage battery (3), high heat conduction cylindrical shell (4), high heat conduction obturator (5), radiating fin (6) and
Fire extinguishing drilling (11), and the quantity of temperature-difference power generation module (2) is no less than four；
Wherein, the high heat conduction cylindrical shell (4) is arranged in vertical fire extinguishing drilling (11) of coal-field fire high-temperature region (10), its
Upper end open maintains an equal level and bottom lock with the top of fire extinguishing drilling (11)；Temperature-difference power generation module (2) is rectangle tabular, and vertically
It is arranged in high heat conduction cylindrical shell (4)；High heat conduction vacuum tube (1) internal memory contains refrigerant medium (9), and high heat conduction vacuum tube
(1), radiating fin (6) and refrigerant medium (9) constitute refrigerating module；High heat conduction vacuum tube (1) is arranged at temperature-difference power generation module (2)
In the regular prism cavity for being surrounded, and the regular prism cavity inscribe surrounded with temperature-difference power generation module (2) forms refrigerating module system
Cold section (8)；The upper end of high heat conduction vacuum tube (1) extends to high heat conduction cylindrical shell (4) and forms refrigerating module radiating segment (7) outward,
Its circumferencial direction is provided with radiating fin (6) on refrigerating module radiating segment (7)；The inwall of high heat conduction cylindrical shell (4) and temperature
Difference electricity generation module (2) regular prism cavity for being surrounded is external, between high heat conduction vacuum tube (1) and temperature-difference power generation module (2), the temperature difference
Filled by high heat conduction obturator (5) in gap between electricity generation module (2) and high heat conduction cylindrical shell (4)；Temperature-difference power generation module (2)
The energy-storage battery (3) set with earth's surface is connected by wire.
2. a kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling according to claim 1, it is characterised in that institute
It is distilled water to state refrigerant medium (9), and liquid filled ratio in high heat conduction vacuum tube (1) is 20%-25%.
3. a kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling according to claim 1, it is characterised in that institute
The diameter of high heat conduction cylindrical shell (4) is stated in 73-127mm.
4. a kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling according to claim 1, it is characterised in that institute
State high heat conduction vacuum tube (1) and radiating fin (6) is made by metallic copper, and radiating fin (6) is using around chip.
5. a kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling according to claim 1, it is characterised in that institute
Wire is stated for flexible fire-proof cable.
6. a kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling according to claim 1, it is characterised in that institute
The inwall for stating high heat conduction cylindrical shell (4) has high temperature resisting thermocouple.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012406.5A CN106787074A (en) | 2017-01-09 | 2017-01-09 | A kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling |
| PCT/CN2017/082986 WO2018126572A1 (en) | 2017-01-09 | 2017-05-04 | Direct power generation device embedded in fire extinguishing drill hole in coalfield fire area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012406.5A CN106787074A (en) | 2017-01-09 | 2017-01-09 | A kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787074A true CN106787074A (en) | 2017-05-31 |
Family
ID=58950394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012406.5A Pending CN106787074A (en) | 2017-01-09 | 2017-01-09 | A kind of coal-field fire fire extinguishing embedded direct electric power generator of drilling |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106787074A (en) |
| WO (1) | WO2018126572A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425637A (en) * | 2018-04-13 | 2018-08-21 | 吉林大学 | A kind of generating power downhole drilling rod and its electricity-generating method |
| CN109861587A (en) * | 2019-03-07 | 2019-06-07 | 中国矿业大学 | A kind of coal-field fire capsule-type thermal energy extraction element and method |
| US20200036303A1 (en) * | 2016-10-17 | 2020-01-30 | China University Of Mining And Technology | Thermal electricity conversion based on the heat extracted from underground coal fires |
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| CN106288465A (en) * | 2016-09-06 | 2017-01-04 | 中国矿业大学 | A kind of distributed coal-field fire waste heat electricity generation system |
| CN206379767U (en) * | 2017-01-09 | 2017-08-04 | 中国矿业大学 | A kind of embedded direct electric power generator of coal-field fire fire extinguishing drilling |
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2017
- 2017-01-09 CN CN201710012406.5A patent/CN106787074A/en active Pending
- 2017-05-04 WO PCT/CN2017/082986 patent/WO2018126572A1/en active Application Filing
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| US20050051208A1 (en) * | 2003-06-17 | 2005-03-10 | Mount Robert L. | System for transferring heat in a thermoelectric generator system |
| CN2720631Y (en) * | 2003-11-25 | 2005-08-24 | 陈德荣 | Fin heat-tube radiator |
| CN101852563A (en) * | 2009-03-30 | 2010-10-06 | 童裳慧 | Heat pipe type buried low-temperature efficient heat exchange tube for underground heat exchange |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200036303A1 (en) * | 2016-10-17 | 2020-01-30 | China University Of Mining And Technology | Thermal electricity conversion based on the heat extracted from underground coal fires |
| CN108425637A (en) * | 2018-04-13 | 2018-08-21 | 吉林大学 | A kind of generating power downhole drilling rod and its electricity-generating method |
| CN109861587A (en) * | 2019-03-07 | 2019-06-07 | 中国矿业大学 | A kind of coal-field fire capsule-type thermal energy extraction element and method |
| CN109861587B (en) * | 2019-03-07 | 2021-10-15 | 中国矿业大学 | Coal field fire area capsule type heat energy extraction device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018126572A1 (en) | 2018-07-12 |
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