CN101125277A - Semiconductor dehumidifying device for eliminating water mist of gas with explosive and dangerous property - Google Patents
Semiconductor dehumidifying device for eliminating water mist of gas with explosive and dangerous property Download PDFInfo
- Publication number
- CN101125277A CN101125277A CNA200710078600XA CN200710078600A CN101125277A CN 101125277 A CN101125277 A CN 101125277A CN A200710078600X A CNA200710078600X A CN A200710078600XA CN 200710078600 A CN200710078600 A CN 200710078600A CN 101125277 A CN101125277 A CN 101125277A
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- Prior art keywords
- semiconductor
- gas
- housing
- cabinet
- cool room
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000002360 explosive Substances 0.000 title 1
- 239000003595 mist Substances 0.000 title 1
- 238000004880 explosion Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002977 hyperthermial effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a semiconductor dehydrating apparatus used for eliminating the water fog with explosion hazarded gas, comprising a refrigeration cabinet arranged in a casing and a semiconductor refrigeration device, the present invention is characterized in that a heating cabinet is arranged at the top of the casing, an insulating communicating pipe is arranged at the bottom of the casing, the insulating communicating pipe is communicated with the top of the refrigeration cabinet; a heat transferring plate is arranged in the casing, the bottom of the heat transferring plate is appressed with the heat end of the semiconductor refrigeration device, and the top of the heat transferring plate is appressed with a side of the heat cabinet; a measuring cabinet communicated with the heat cabinet is arranged at the top of the heat cabinet, and an interface matched with the sensing head is arranged at the top of the measuring cabinet. The present invention has the advantages that: the semiconductor refrigeration device is adequately being used; the temperature and the humidity of the operational environment of the electronics sensing head arranged in the measuring cabinet accords with the prescription and requirement, the present invention is capable of exactly measuring the small flow gas which has the explosion hazard, prolonging the service life of the sensor.
Description
Technical field
The present invention relates to dehydrating unit, particularly can be placed under the coal mine, remove semiconductor dehumidifying device with water smoke in the explosion danger gas.
Background technology
At coal mine,, be easy to cause gas outstanding if gas pressure is too high.Gas belongs to the gas with explosion danger, and its concentration met spark and also is easy to cause gas explosion at 5%～15% o'clock.Gas drainage under suction before coal mining is vital so, and gas drainage under suction could safe working, the accurately gas density of measurement extraction gas to what degree.When yet present employed gas concentration sensor is measured gas density in pipeline,, reduced service life simultaneously because a large amount of water smoke has had a strong impact on the certainty of measurement of concentration sensor.Distortion for fear of measuring the gas density data has prolonged service life, and the methane gas in the gas concentration sensor measured place must pass through dehumidification treatments, to get rid of the influence of water smoke.
The condition of work of mining electrical equipment is: operating temperature is 0-40 ℃, relative humidity≤95% (+25 ℃).Existing dehydrating unit all is to use under general environment.As the patent No. be 96 2 07768.2, name is called the Chinese utility model patent of " micro semiconductor refrigeration dehumidifier ", only is applicable to less confined space, such as small space such as storage cabinets.And for example the patent No. is that 00 1 29900.X, name are called the Chinese invention patent of " semiconductor demoistener ", its efficient height, and dehumidifying power is big, only is applicable to indoor dehumidification.In a word, also not having at present can be under coal mine, the device that the gas with explosion danger that flows is dehumidified.
Summary of the invention
The object of the present invention is to provide a kind of semiconductor dehumidifying device of removing with water smoke in the explosion danger gas, suitable being placed under the coal mine, can remove low discharge effectively and have the water smoke in the explosion danger gas and reduce its relative humidity, improve the accuracy of measuring gas density.
The semiconductor dehumidifying device with water smoke in the explosion danger gas of removing of the present invention comprises:
One cool room, its bottom is provided with an air inlet pipe, and cool room is located at the bottom in the housing, and air inlet pipe is stretched out from the bottom of housing;
The semiconductor refrigeration device is located in the housing and is connected with Switching Power Supply in the housing, and a side of its cold junction and cool room is close to; Switching Power Supply is connected with power supply.It is good that semiconductor cooling device has the dehumidifying degree of depth, can steady in a long-term move; There is not pollution problem in the security performance height; Simple to operate, controllability is strong; No rotary machine, equipment do not have strain, do not have leakage, noiselessness, and be shockproof; Advantages such as floor space is little, and maintenance cost is low.
It is characterized in that: the top in housing is provided with a heating chamber, and its bottom is provided with an adiabatic communicating pipe, adiabatic communicating with the top of cool room communicating pipe; Adiabatic tube connector is to be formed by adiabatic insulating materials manufacturing, carries out heat transmission between isolated heating chamber and the cool room;
In housing, be provided with a heat transfer plate, the lower end of heat transfer plate and the hot junction of semiconductor cooling device is close to, a side of upper end and heating chamber is close to;
Be provided with a measuring chamber that communicates with it at the top of heating chamber, housing is stretched out on the top of measuring chamber, its sidewall be provided with an escape pipe, top be provided with one with the sensor probe interface matched.
The described semiconductor dehumidifying device with water smoke in the explosion danger gas of removing, to forming, galvanic couple is to being formed by a N-type semiconductor material and a P-type semiconductor material by 49 pairs of galvanic couples for its semiconductor cooling device.
The described semiconductor dehumidifying device with water smoke in the explosion danger gas of removing, its cool room cavity is made by stainless steel, is provided with three layers of red copper net in it at least.Corrosion-resistant with the cool room cavity that stainless steel is made, red copper netting gear in it has very high heat conductivility, make refrigeration device fully in cool room, to absorb heat, thereby reach the purpose that reduces temperature, moisture in the gas that flows through is separated out condense into droplet to be back in the air inlet pipe.
The described semiconductor dehumidifying device of removing with water smoke in the explosion danger gas, the outer chamber of its heating chamber is made by stainless steel, and the top in the outer chamber is provided with the inner chamber body that a usefulness stainless steel is made, and inner chamber body is provided with a plurality of passages.The inside and outside cavity of heating chamber forms around passage, and gas-circulating is flowed, and outer chamber absorbs the abundant heated air of heat from heat transfer plate, the gas relative humidity that flows through is reduced greatly.
The described semiconductor dehumidifying device with water smoke in the explosion danger gas of removing is provided with heat insulation layer in the outside of cool room.The thickness of heat insulation layer is not less than 5mm, and its effect is the transmission that reduces heat.
Adopting semiconductor cooling device to reduce the mode that flows through gas temperature separates out the water smoke in the air-flow, in order to improve the accuracy of sensor measurement, also must carry out hyperthermic treatment to the gas that cooling is removed behind the water smoke, further reduce gas relative humidity, make the gas flow temperature that enters in the measuring chamber be elevated to the preceding air-flow original temperature scope of cooling, thereby guarantee the accuracy of sensor measurement.The present invention can be under mine, removes the water smoke in the gas with explosion danger of low discharge, and can reduce its relative humidity, is particularly suitable for the dehumidifying of colliery low discharge methane gas.
The present invention compares with prior art and has the following advantages: the cold junction and the hot junction that have utilized semiconductor to form by DC current, add cool room and used the red copper net of high-termal conductivity, semiconductor cooling device is used fully, two processes of refrigeration and heating have been finished simultaneously, make the relative humidity of the gas after dehumidifying be lower than 90%RH at its measuring chamber, thereby (humidity has corrosion to it to make the electrical type sensor probe that is installed in measuring chamber, the precision influence) the working environment humiture meets humiture requirement (0～40 ℃ of the temperature in the basic environmental test rules of GB/T 2423.4-1993 electric and electronic product, relative humidity (93 ± 3) %RH), make it can be accurately to the gasmetry with explosion danger of low discharge; Improved the working sensor environment, prolonged sensor life-time greatly, reduced the maintenance workload of sensor in the type measurement environment, the sensor measurement accuracy is improved.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the semiconductor cooling device fundamental diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
Referring to Fig. 1 and Fig. 2, four layers of red copper net 5 are contained in the cool room made from stainless steel 4, again cool room is contained in the bottom in the housing 1, be connected cool room bottom inflow pipe 3 and stretch out from the bottom of housing 1, again heat insulation layer 2 is contained in the outside of cool room;
Model is TEC1-04908, the semiconductor cooling device of forming 6 is contained in the housing and is connected with Switching Power Supply 8 in the housing by 49 pairs of galvanic couples, and a side of its cold junction and cool room 4 is close to; Switching Power Supply is connected with power supply 15, and this power supply is the mining D.C. regulated power supply of KDW0.1/660 type, and rated power is about 5W.
To be welded on the inner chamber body 11 that stainless steel is made in the heating chamber 10 that stainless steel makes, and heating chamber will be contained in the top in the housing 1 again, its bottom communicates with adiabatic communicating pipe 7, and thermal insulation communicates with the top of cool room communicating pipe; The hot junction of the lower end of heat transfer plate 9 and semiconductor cooling device 6 is close to, a side of upper end and heating chamber 10 is close to; Inner chamber body 11 is provided with four passages 16, and the gas that reduces relative humidity enters measuring chamber from four passages.
Measuring chamber 12 is contained in the top of heating chamber, and housing is stretched out on the top of measuring chamber, and the interface that its sidewall is provided with an escape pipe 13, top is equipped with sensor probe 14.
During use, suitably the gas with explosion danger of flow enters from air inlet pipe 3, flow through cool room 4 after the semiconductor cooling device 6 heat absorption red copper net 5 by cool room fully absorbs the heats cooling, droplet such as water smoke and reduce drop that temperature separates out because gravity flows back to pipeline from air inlet pipe 3 again; The gas with explosion danger of the lower temperature in the cool room flows to heating chamber 10 from adiabatic communicating pipe 7, fully heat through inner chamber body 11 through the heat transferred heating chamber 10 of heat transfer plate 9 semiconductor cooling device 6 hot junctions, after making gas heating, the also corresponding reduction of its relative humidity, do not have droplet again, its relative humidity drops to below the 90%RH, the gas with explosion danger that enters measuring chamber 12 through four passages 16 will not have the influence of steam to sensor probe 14 again, and gas flows out from escape pipe 13.
When the gas that is dehumidified stops to flow, heat in the heating chamber 5 just can not be taken away by gas, at this moment unnecessary heat just can be put outside case surface heat radiation by dew, thereby avoids temperature in the heating chamber 5 too high and damage refrigeration device, even causes fire.
Claims (5)
1. remove the semiconductor dehumidifying device with water smoke in the explosion danger gas, comprise a cool room (4), its bottom is provided with an air inlet pipe (3), and cool room (4) is located at the bottom in the housing (1), and air inlet pipe (3) is stretched out from the bottom of housing (1); Semiconductor refrigeration device (6) is located in the housing (1) and is connected with Switching Power Supply (8) in the housing, and a side of its cold junction and cool room (4) is close to; Switching Power Supply is connected with power supply (15); It is characterized in that: the top in housing (1) is provided with a heating chamber (10), and its bottom is provided with an adiabatic communicating pipe (7), and adiabatic communicating pipe (7) communicates with the top of cool room (4); Be provided with a heat transfer plate (9) in housing (1), the hot junction of the lower end of heat transfer plate and semiconductor cooling device (6) is close to, a side of upper end and heating chamber (10) is close to; Be provided with a measuring chamber that communicates with it (12) at the top of heating chamber (10), housing is stretched out on the top of measuring chamber, its sidewall be provided with an escape pipe (13), top be provided with one with sensor probe (14) interface matched.
2. the semiconductor dehumidifying device of removing according to claim 1 with water smoke in the explosion danger gas, it is characterized in that: to forming, galvanic couple is to being formed by a N-type semiconductor material and a P-type semiconductor material by 49 pairs of galvanic couples for semiconductor cooling device (6).
3. the semiconductor dehumidifying device with water smoke in the explosion danger gas of removing according to claim 1 and 2 is characterized in that: be provided with three layers of red copper net (5) in the cavity of cool room (4) at least.
4. the semiconductor dehumidifying device of removing according to claim 1 and 2 with water smoke in the explosion danger gas, it is characterized in that: the outer chamber of heating chamber (10) is made by stainless steel, top in the outer chamber is provided with the inner chamber body (11) that a usefulness stainless steel is made, and inner chamber body is provided with a plurality of passages (16).
5. the semiconductor dehumidifying device with water smoke in the explosion danger gas of removing according to claim 1 and 2 is characterized in that: be provided with heat insulation layer (2) in the outside of cool room (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710078600XA CN100493676C (en) | 2007-06-11 | 2007-06-11 | Semiconductor dehumidifying device for eliminating water mist of gas with explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710078600XA CN100493676C (en) | 2007-06-11 | 2007-06-11 | Semiconductor dehumidifying device for eliminating water mist of gas with explosive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101125277A true CN101125277A (en) | 2008-02-20 |
| CN100493676C CN100493676C (en) | 2009-06-03 |
Family
ID=39093461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710078600XA Active CN100493676C (en) | 2007-06-11 | 2007-06-11 | Semiconductor dehumidifying device for eliminating water mist of gas with explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100493676C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439172A (en) * | 2013-08-31 | 2013-12-11 | 王景熙 | Mining methane concentration detection device |
| CN107063781A (en) * | 2017-04-24 | 2017-08-18 | 华北电力大学（保定） | A kind of portable fog is collected and conductivity detector |
| CN110221030A (en) * | 2019-07-11 | 2019-09-10 | 佛山瀚兽环境科技服务有限公司 | Exhaust gas concentration detection structure, exhaust gas concentration detection method and waste gas monitoring device |
| CN114893252A (en) * | 2022-07-14 | 2022-08-12 | 徐州华兴信息科技有限公司 | Safety monitoring device for mine management that possesses dampproofing function |
| CN118090353A (en) * | 2024-04-17 | 2024-05-28 | 陕西省环境调查评估中心 | Atmospheric sampling detector |
-
2007
- 2007-06-11 CN CNB200710078600XA patent/CN100493676C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439172A (en) * | 2013-08-31 | 2013-12-11 | 王景熙 | Mining methane concentration detection device |
| CN107063781A (en) * | 2017-04-24 | 2017-08-18 | 华北电力大学（保定） | A kind of portable fog is collected and conductivity detector |
| CN107063781B (en) * | 2017-04-24 | 2019-11-29 | 华北电力大学（保定） | A kind of portable fog is collected and conductivity detector |
| CN110221030A (en) * | 2019-07-11 | 2019-09-10 | 佛山瀚兽环境科技服务有限公司 | Exhaust gas concentration detection structure, exhaust gas concentration detection method and waste gas monitoring device |
| CN114893252A (en) * | 2022-07-14 | 2022-08-12 | 徐州华兴信息科技有限公司 | Safety monitoring device for mine management that possesses dampproofing function |
| CN118090353A (en) * | 2024-04-17 | 2024-05-28 | 陕西省环境调查评估中心 | Atmospheric sampling detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100493676C (en) | 2009-06-03 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTI Free format text: FORMER NAME: CHONGQING BRANCH, COAL SCIENCE RESEARCH GENERAL INST. Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE Owner name: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Institute of Coal Science Research Institute Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Branch of China Coal Research Institute |
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| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |