CN201580755U - Coal pile for actively preventing spontaneous combustion of coal without energy consumption - Google Patents
Coal pile for actively preventing spontaneous combustion of coal without energy consumption Download PDFInfo
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- CN201580755U CN201580755U CN2009200168420U CN200920016842U CN201580755U CN 201580755 U CN201580755 U CN 201580755U CN 2009200168420 U CN2009200168420 U CN 2009200168420U CN 200920016842 U CN200920016842 U CN 200920016842U CN 201580755 U CN201580755 U CN 201580755U
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- dump
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- spontaneous combustion
- energy consumption
- hot pin
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Abstract
The utility model relates to a coal pile for actively preventing the spontaneous combustion of coal without energy consumption, which is characterized in that a hot rod which can be vertically or inclinedly placed in the coal pile is arranged on the coal pile, an evaporation section of the hot rod is positioned in the coal pile, and a condensation section of the hot rod is positioned outside the coal pile and in direct contact with air. The coal pile can effectively reduce the temperature in the coal pile, actively prevent the spontaneous combustion of the stacked coal, realize no consumption of power, labor and materials, and run economically, safely, and reliably for a long time.
Description
Technical field the utility model relates to a kind of heat pipe.
Background technology China is to be the country of main fuel with the coal, is that colliery, thermoelectric power station and some large enterprises all can store a large amount of coals, and their air storages are called dump.These dumps are for a long time under the effect of natural causes such as wind and rain, Exposure to Sunlight and air, the surface of coal contacts the back and oxidative decomposition takes place and emit heat with oxygen in the atmosphere, through the new surface of the cracked formation of the coal of oxidative breakdown, new surface oxidation once more, circulation so repeatedly, cause the dump temperature constantly to rise, reach the temperature of spontaneous combustion gradually.Theoretical investigation and experimental observation show, the coal of high volatile, and when the temperature of coal reaches 50-60 ℃, spontaneous combustion will take place in day in 1-2, and the oncoming force is also more violent; Than the coal of low volatile, generally want also dieseling can take place more than 80 ℃.After the temperature of dump reaches its spontaneous ignition temperature, combustion phenomenon can take place, naked light appears.So not only can waste a large amount of coal, also can generate a large amount of high temperature smog simultaneously, wherein contain CO, CO2 and hydrocarbon compound, can cause environmental pollution.At present, the major measure that prevents self-ignition of coal pile is that secluding air, moisture content contact with coal, prevent temperature or moisture content excessive buildup, and take thermometric, lay clay course, the preventive such as (reducing the heat absorption of dump), water spray of spraying lime soil, this not only will consume a large amount of power, man power and material, and these measures all are passive cooling measures, very unreliable, as to adopt the water spraying cooling be the very unwise move that prevents self-ignition of coal pile, because if the injection flow rate deficiency may play the effect of running counter to desire.
The summary of the invention the purpose of this utility model is to provide a kind of not consumption of power, man power and material can prevent effectively that the no energy consumption of coal spontaneous combustion from initiatively preventing the dump of coal spontaneous combustion.The utility model mainly is to be provided with some hot pins on dump.This hot pin is sealed at both ends vacuum lamp, its profile can be that in-line also can be a T shape, be filled with in this pipe and cooresponding low boiling working fluid of coal spontaneous combustion temperature such as liquid such as liquefied ammonia, carbon dioxide, it can utilize the conversion convection circulation of liquid vapour phase to realize the heat transmission.Should be vertically or tilt to place the hot pin of dump, its evaporator section is positioned at dump, preferably reaches the bottom of dump, and it is outward top or side that this hot pin condensation segment then is positioned at dump, with the air direct contact.Preferably the hot pin surface is provided with anticorrosion coating, and the hot pin condensation segment is provided with radiating fin.For grasping in the dump and the temperature conditions around the hot pin, be preferably in the dump with around the hot pin and be provided with temperature element.The hot pin condensation segment is provided with hoisting ring.
Working process of the present utility model is: when the dump temperature inside is higher than outside air temperature, the heat of vaporization that liquid working substance in the above-mentioned hot pin evaporator section then absorbs in the dump becomes gas, steam drives current downflow to the hot pin condensation segment at pressure differential, run into colder tube wall and emit the latent heat of vaporization, be condensed into liquid, by gravity, flow back to evaporator section along tube wall, so circulation, be transferred to the heat in the dump in the air continuously, again the temperature in the dump is controlled at below the spontaneous ignition temperature simultaneously, prevents coal spontaneous combustion on one's own initiative.Dump for new accumulation, because the oxidation of coal reaction is carried out fewly, the heat that produces is also less, and the temperature of dump approaches air themperature, when the steam of liquid working substance evaporation in the hot pin behind the hot pin condensation segment, because the condensation segment pipe surface temperature is higher, steam can not condensation, reach stream-liquid phase balance after, liquid stops evaporation, hot pin quits work, and heat in the air can be transferred in the dump.For this dump that has adopted the coal piling method accumulation that utilizes the hot pin technology, when getting coal, in order to improve the efficient of mechanized, simultaneously also in order to prevent to damage hot pin, can be before getting coal the hot pin of intending getting the coal zone be pulled out, these hot pins of pulling out can insert as required and need the position that lowers the temperature in the dump or store for future use.
Advantage of the present utility model is: 1, because hot pin has advantages such as heat transfer capability is big, heat transfer temperature difference is little, start-up temperature is low, average temperature performance is good, unidirectional heat transfer, therefore can reduce the temperature in the dump effectively, initiatively prevent to pile up spontaneous combustionof coal; 2, unpowered, manpower and material consumption, economical operation; 3, can move reliably and with long-term, and safe in operation.
Description of drawings
Fig. 1 is that master of the present utility model looks the section simplified schematic diagram.
Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment initiatively prevents in the simplified schematic diagram of dump of coal spontaneous combustion in no energy consumption illustrated in figures 1 and 2, dump 1 is provided with 17 vertical in-line hot pins 2, its evaporator section reaches the bottom in the dump, and this hot pin condensation segment then is positioned at the outer top of dump, with the air direct contact.These hot pin surfaces are provided with anticorrosion coating, and the hot pin condensation segment is provided with radiating fin 3, and the top is provided with hoisting ring 4.In dump and around the hot pin, be provided with temperature element in addition.
Claims (6)
1. one kind is not had the dump that energy consumption initiatively prevents coal spontaneous combustion, it is characterized in that: be provided with vertically or tilt to place the hot pin of dump on dump, its evaporator section is positioned at dump, and this hot pin condensation segment then is positioned at outside the dump, with the air direct contact.
2. no energy consumption according to claim 1 initiatively prevents the dump of coal spontaneous combustion, it is characterized in that: evaporator section reaches the bottom of dump.
3. no energy consumption according to claim 2 initiatively prevents the dump of coal spontaneous combustion, it is characterized in that: the hot pin surface is provided with anticorrosion coating.
4. no energy consumption according to claim 3 initiatively prevents the dump of coal spontaneous combustion, it is characterized in that: the hot pin condensation segment is provided with radiating fin.
5. no energy consumption according to claim 4 initiatively prevents the dump of coal spontaneous combustion, it is characterized in that: the hot pin condensation segment is provided with hoisting ring.
6. no energy consumption according to claim 5 initiatively prevents the dump of coal spontaneous combustion, it is characterized in that: be provided with temperature element in dump and around the hot pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009200168420U CN201580755U (en) | 2009-08-19 | 2009-08-19 | Coal pile for actively preventing spontaneous combustion of coal without energy consumption |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009200168420U CN201580755U (en) | 2009-08-19 | 2009-08-19 | Coal pile for actively preventing spontaneous combustion of coal without energy consumption |
Publications (1)
Publication Number | Publication Date |
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CN201580755U true CN201580755U (en) | 2010-09-15 |
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CN2009200168420U Expired - Fee Related CN201580755U (en) | 2009-08-19 | 2009-08-19 | Coal pile for actively preventing spontaneous combustion of coal without energy consumption |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103057889A (en) * | 2013-01-04 | 2013-04-24 | 广东电网公司电力科学研究院 | Device and method for inhibiting spontaneous combustion of open-air coal piles |
CN104044857A (en) * | 2013-03-15 | 2014-09-17 | 赵彦杰 | Equipment for preventing high temperature in coal pile |
CN106743048A (en) * | 2016-12-28 | 2017-05-31 | 湖南科技大学 | It is a kind of to contribute to moisture absorption and the device and method of accumulation of heat guiding discharge in dump |
CN108339211A (en) * | 2017-01-24 | 2018-07-31 | 中电投电力工程有限公司 | A kind of method that the enclosed circular coal yard prevents self-ignition of coal pile |
CN114814152A (en) * | 2022-04-20 | 2022-07-29 | 安徽理工大学 | Simple and portable device for measuring normal-temperature oxidation of coal and using method thereof |
CN116561917A (en) * | 2023-04-28 | 2023-08-08 | 山东亚特尔集团股份有限公司 | Coal pile heat dissipation flame retardant and selection design method and layout method thereof |
-
2009
- 2009-08-19 CN CN2009200168420U patent/CN201580755U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103057889A (en) * | 2013-01-04 | 2013-04-24 | 广东电网公司电力科学研究院 | Device and method for inhibiting spontaneous combustion of open-air coal piles |
CN103057889B (en) * | 2013-01-04 | 2014-12-10 | 广东电网公司电力科学研究院 | Device and method for inhibiting spontaneous combustion of open-air coal piles |
CN104044857A (en) * | 2013-03-15 | 2014-09-17 | 赵彦杰 | Equipment for preventing high temperature in coal pile |
CN106743048A (en) * | 2016-12-28 | 2017-05-31 | 湖南科技大学 | It is a kind of to contribute to moisture absorption and the device and method of accumulation of heat guiding discharge in dump |
CN106743048B (en) * | 2016-12-28 | 2022-04-12 | 湖南科技大学 | Device and method for facilitating water absorption and heat storage guiding discharge in coal pile |
CN108339211A (en) * | 2017-01-24 | 2018-07-31 | 中电投电力工程有限公司 | A kind of method that the enclosed circular coal yard prevents self-ignition of coal pile |
CN114814152A (en) * | 2022-04-20 | 2022-07-29 | 安徽理工大学 | Simple and portable device for measuring normal-temperature oxidation of coal and using method thereof |
CN116561917A (en) * | 2023-04-28 | 2023-08-08 | 山东亚特尔集团股份有限公司 | Coal pile heat dissipation flame retardant and selection design method and layout method thereof |
CN116561917B (en) * | 2023-04-28 | 2024-04-05 | 山东亚特尔集团股份有限公司 | Coal pile heat dissipation flame retardant and selection design method and layout method thereof |
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Addressee: Xu Zijun Document name: Notification to Go Through Formalities of Registration |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
DD01 | Delivery of document by public notice |
Addressee: Xu Zijun Document name: Notification to Pay the Fees |
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DD01 | Delivery of document by public notice |
Addressee: Xu Zijun Document name: Notification of Termination of Patent Right |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20110819 |