CN100580225C - Temperature lowering device for deep mine - Google Patents
Temperature lowering device for deep mine Download PDFInfo
- Publication number
- CN100580225C CN100580225C CN200710025002A CN200710025002A CN100580225C CN 100580225 C CN100580225 C CN 100580225C CN 200710025002 A CN200710025002 A CN 200710025002A CN 200710025002 A CN200710025002 A CN 200710025002A CN 100580225 C CN100580225 C CN 100580225C
- Authority
- CN
- China
- Prior art keywords
- heat
- condenser
- evaporative condenser
- working medium
- compressor
- Prior art date
Links
- 239000003570 air Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 20
- 239000007788 liquids Substances 0.000 claims description 16
- 238000010521 absorption reactions Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 239000007789 gases Substances 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 6
- 239000007791 liquid phases Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000003507 refrigerants Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NScgaGVpZ2h0PSc4NScgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgZG9taW5hbnQtYmFzZWxpbmU9ImNlbnRyYWwiIHRleHQtYW5jaG9yPSJzdGFydCIgeD0nMTYuMjI1NCcgeT0nNDcuNzk1NScgc3R5bGU9J2ZvbnQtc2l6ZTozOHB4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO2ZpbGw6IzNCNDE0MycgPjx0c3Bhbj5DdTwvdHNwYW4+PC90ZXh0Pgo8L3N2Zz4K [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 238000002309 gasification Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 description 10
- 239000011901 water Substances 0.000 description 6
- 280000258262 System Investment companies 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000155 melts Substances 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrates Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 229910052500 inorganic minerals Inorganic materials 0.000 description 1
- 239000011499 joint compounds Substances 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 239000011707 minerals Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
Description
Technical field
The present invention relates to a kind of mine refrigeration air-conditioner, specifically a kind of temp lowering device for deep mine.
Background technology
Along with the increase of the pit mining degree of depth, rock temperature raises, and exploitation is serious day by day with the heat evil of driving face environment, and the temperature of many work planes surpasses 30 ℃, even up to 40 ℃.Simultaneously, along with the mine machinery degree is more and more higher, the machinery heat radiation that occurs thus is more and more big.Miner's operation under hot environment, labor productivity descends, and health suffers damage, and the elevated temperature heat evil is considered to one of mine disaster.When environment temperature surpassed human body temperature, human body did not only dispel the heat, and from heat absorption on every side, wind speed is big more on the contrary, and thermal sensation is severe more.If adopt conventional mine ventilation method, the result is just the contrary.In order to improve the working environment of mine, when mining depth surpasses mineral deposit limit mining depth, must adopt the mechanical refrigeration cool-down method to solve the underground thermal pollution problem.
Mine cooling air-conditioning system at present commonly used mainly contains three kinds: mechanical refrigeration water for cooling mine air conditioner system, ice-cooled mine air conditioner system, air compression type refrigerated air-conditioning system.
Mechanical refrigeration water for cooling mine air conditioner system is divided into down-hole centralized air conditioning system and ground centralized air conditioning system again.The refrigeration unit of down-hole centralized air conditioning system must be installed in the down-hole, concentrate to each work plane cooling water by pipeline, but this system needs bigger installing space in the down-hole, bring difficulty for construction and maintenance, and motor and control apparatus all need explosion-proofly, and the condensation of down-hole refrigeration unit heat radiation discharging becomes a main difficult problem in addition.The refrigeration unit of ground centralized air conditioning system is installed in ground, the condensation heat of unit is at ground release, in the down-hole high-low pressure heat exchanger is installed and is converted a high pressure chilled water to the secondary low-voltage chilled water, on the cooling place, blow at last, but this system's cooling can not be used in deep-well apart from weak point with the air cooler cooling, in addition because year cold of chilled water is little, need the refrigerant water yield of conveying big, cold carries power consumption big, and refrigerating loss is also big.
Ice-cooled mine air conditioner system produces granular ice or mud shape ice on the ground, be transported to the deicing device of down-hole by circulation pump, in deicing device, ice and down-hole air-conditioning backwater direct heat transfer, the temperature of air-conditioning backwater is reduced, and this system is made of ice making, defeated ice, ice-melt and four processes of cooling.But there is higher requirement in this system to operational management and control aspect, as prevent pipeline ice berg, efficient ice making and defeated icing equipment exploitation, be fit to the exploitation etc. of the cooler of ice-melt heat exchange.
The air compression type refrigerated air-conditioning system is to utilize air through the acting of turbine adiabatic expansion, thereby makes air cooling.But this system requirements mine will have sufficient compressed gas source, and its refrigerating capacity, refrigerating efficiency are all less than vapor compression type refrigerating system, and system's investment and operating cost are all than vapor compression type refrigerating system height.
Summary of the invention
In order to overcome the deficiency of existing mine cooling air-conditioning system, the object of the present invention is to provide that a kind of power consumption is little, efficient is high, system's investment and the low temp lowering device for deep mine of operating cost.The refrigeration unit of this heat sink is installed in ground, and the condensation heat of unit is at ground release, and the gas-liquid phase transition latent heat of the cryogenic energy utilization heat-exchange working medium that refrigeration unit produces is transported to the down-hole, and its cold carries density big; And the conveying of cooling heat-exchange working medium is to utilize it to carry out under the effect of the gas-liquid density contrast of the difference in height of mine and working medium, need not circulation pump.
The objective of the invention is to be achieved through the following technical solutions:
A kind of temp lowering device for deep mine, comprise ground unit A and underground B of Unit, it is characterized in that: ground unit A comprises compressor, condenser, expansion valve and evaporative condenser, and the import of compressor is connected with the outlet of evaporative condenser, and the outlet of compressor is connected with the import of condenser; The outlet of condenser is connected with the import of evaporative condenser by expansion valve; Underground B of Unit comprises down-hole heat exchanger and ventilator, and the bottom heat-exchange working medium outlet of evaporative condenser is connected with the import of down-hole heat exchanger, and the outlet of down-hole heat exchanger is connected with the heat exchange of top part working medium import of evaporative condenser.
Among the present invention, described compressor is screw compressor, scroll compressor or centrifugal compressor.
Described condenser is water-cooled condenser or air-cooled condenser.
Described expansion valve is heating power expansion valve or electric expansion valve.
Described evaporative condenser is the shell-tube type evaporative condenser.
Described heat exchanger is made of red copper pipe box aluminium flake.Heat-exchange working medium in the heat exchanger is freon R134a or R22 etc.
Described ventilator is centrifugal blower or axial flow blower.
Compared with prior art, remarkable advantage of the present invention is:
(1) refrigeration unit is installed in ground, and the condensation heat of unit is at ground release, and maintenance management is convenient.
(2) the cooling amount of refrigeration unit adopts the gas-liquid phase transition latent heat of heat-exchange working medium to be transported to the down-hole, and cold carries density big.When equal cooling amount, the heat-exchange working medium conveying capacity of this system is few, and pipe diameter is little.
(3) to carry be to utilize heat-exchange working medium to carry out under the effect of the gas-liquid density contrast of the difference in height of mine and working medium for cooling heat-exchange working medium of the present invention, need not circulation pump.
(4) cooling amount of the present invention can be carried at a distance, and thermal resistance is little, and heat output is big.
(5) power consumption of the present invention is little, efficient is high, and system's investment and operating cost are lower.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Mark is described as follows in the accompanying drawing:
1-compressor 2-condenser 3-expansion valve 4-evaporative condenser
Heat exchanger 6-ventilator A-ground, 5-down-hole B of Unit-underground unit
The specific embodiment
A kind of temp lowering device for deep mine of the present invention is made of ground unit A and underground B of Unit two large divisions.Underground B of Unit is made up of heat exchanger 5 and ventilator 6; Ground unit A comprises compressor 1, condenser 2, expansion valve 3, evaporative condenser 4.The import of compressor 1 is connected with the outlet of evaporative condenser 4, the outlet of compressor 1 is connected with the import of condenser 2, the outlet of condenser 2 is connected with the import of expansion valve 3, the outlet of expansion valve 3 is connected with the import of evaporative condenser 4, and the outlet of evaporative condenser 4 is connected with the import of compressor 1.The bottom heat-exchange working medium outlet of evaporative condenser 4 is connected by the import of tube connector with down-hole heat exchanger 5, and the outlet of down-hole heat exchanger 5 is connected with the heat exchange of top part working medium import of evaporative condenser 4 by tube connector.
Operating principle of the present invention is described below:
Accompanying drawing is a temp lowering device for deep mine structural representation of the present invention.Device for drying and filtering, gas-liquid separator, electronic control part have been omitted among the figure.Wherein, device for drying and filtering be used in the absorption refrigeration agent small amount of moisture, filter the impurity in the cold-producing medium; Gas-liquid separator is used for preventing that compressor from producing liquid hammer.Underground unit can as required be organized in parallel more, and the one group of underground unit that only draws among the figure is illustrated.
When ground refrigeration unit is worked, cold-producing medium is discharged by compressor 1 compression back, flow to condenser 2 and emit heat, condensed refrigerant liquid carries out the throttling step-down through expansion valve 3, cold-producing medium after the step-down evaporates heat absorption and produces refrigeration effect in evaporative condenser 4, the cold-producing medium after the evaporation gasification is inhaled into compressor 1.Simultaneously, heat-exchange working mediums such as the R134a of circulation or R22 are liquid because of the heat absorption of the cold-producing medium in the evaporative condenser 4 by condensation of gas between evaporative condenser 4 and down-hole heat exchanger 5, condensed heat-exchange working medium enters in the down-hole heat exchanger 5 by tube connector under the effect of mine height difference, heat-exchange working medium liquid evaporates heat absorption and produces refrigeration effect in down-hole heat exchanger 5, and carry out interchange of heat by ventilator 6 and air in the well, air themperature in the well is reduced, and this moment, heat-exchange working medium just was gasificated into gas by liquid, rise to the heat exchange of top part working medium import of evaporative condenser 4 along tube connector, the heat-exchange working medium gas that enters in the evaporative condenser 4 is condensed into liquid by the heat absorption of the cold-producing medium in the evaporative condenser 4, thereby has finished the circulation of heat-exchange working medium gas-liquid phase transition cooling.
Refrigeration unit of the present invention is installed in ground, and the condensation heat of unit is at ground release, and maintenance management is convenient; The cooling amount of refrigeration unit adopts the gas-liquid phase transition latent heat of heat-exchange working medium to be transported to the down-hole, and cold carries density big; When equal cooling amount, the heat-exchange working medium conveying capacity of this system is few, and pipe diameter is little; It is to utilize heat-exchange working medium to carry out under the effect of the gas-liquid density contrast of the difference in height of mine and working medium that the cooling heat-exchange working medium of this system is carried, and need not circulation pump; The cooling amount can be carried at a distance, and thermal resistance is little, and heat output is big; Power consumption of the present invention is little, efficient is high, and system's investment and operating cost are lower.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710025002A CN100580225C (en) | 2007-07-05 | 2007-07-05 | Temperature lowering device for deep mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710025002A CN100580225C (en) | 2007-07-05 | 2007-07-05 | Temperature lowering device for deep mine |
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| CN101089366A CN101089366A (en) | 2007-12-19 |
| CN100580225C true CN100580225C (en) | 2010-01-13 |
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| CN200710025002A CN100580225C (en) | 2007-07-05 | 2007-07-05 | Temperature lowering device for deep mine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100465413C (en) * | 2008-01-29 | 2009-03-04 | 何满潮 | Pressure transition system of deep mine heat exchange system |
| CN101737073A (en) * | 2009-10-26 | 2010-06-16 | 大连亿斯德制冷设备有限公司 | Mobile cooling and refrigerating unit |
| CN102121392B (en) * | 2011-01-05 | 2012-12-26 | 大连亿斯德制冷设备有限公司 | Heat-radiating, recovering and cooling system for mine |
| CN102128043A (en) * | 2011-01-18 | 2011-07-20 | 赫尔柯矿业制冷技术(安徽)有限公司 | Underhole regional cooling system |
| CN102140927B (en) * | 2011-04-29 | 2014-08-27 | 武汉纺织大学 | Method and system for reducing temperature locally under coal mine shaft |
| CN102678157A (en) * | 2011-11-16 | 2012-09-19 | 韩雪峰 | Refrigeration cooling and dehumidification air conditioner |
| CN102620407A (en) * | 2012-04-15 | 2012-08-01 | 重庆大学 | Cooling device for condenser of central air conditioning system |
| CN103452582B (en) * | 2012-05-31 | 2016-06-15 | 中国科学院理化技术研究所 | A kind of refrigeration system of escape capsule of mine |
| CA2818357A1 (en) * | 2013-06-10 | 2014-12-10 | Dean Millar | Hydraulic air compressor applications |
| CN103528838B (en) * | 2013-10-08 | 2016-05-18 | 中钢集团马鞍山矿山研究院有限公司 | The analog detection method of the wet exchange of a kind of metal mine deep mining digging laneway heat |
| CN104005783B (en) * | 2014-06-10 | 2016-06-08 | 北京中煤矿山工程有限公司 | A kind of mine pneumatic refrigeration plant and method |
| CN105660249A (en) * | 2016-03-10 | 2016-06-15 | 中冶北方（大连）工程技术有限公司 | Device and method for controlling mine geotherm and utilizing waste heat to warm planting greenhouse |
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| US5078544A (en) * | 1989-08-10 | 1992-01-07 | Siemag Transplan Gmbh | Arrangement for the changeover of liquids when transported by means of a three chamber tube feeder |
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| CN1295177A (en) * | 1999-11-05 | 2001-05-16 | 斯玛特兰斯普兰有限公司 | Central cooling method for deep underground mining operation area |
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| US4750333A (en) * | 1983-10-03 | 1988-06-14 | Chicago Bridge & Iron Company | Integrated mine cooling and water conditioning system |
| US5078544A (en) * | 1989-08-10 | 1992-01-07 | Siemag Transplan Gmbh | Arrangement for the changeover of liquids when transported by means of a three chamber tube feeder |
| DE4126340C1 (en) * | 1991-08-09 | 1992-08-13 | Ruhrkohle Ag, 4690 Herne, De | Cold supply for underground work air conditioning - uses secondary flow division into two partial flows after passing through work-point refrigeration sets |
| CN1295177A (en) * | 1999-11-05 | 2001-05-16 | 斯玛特兰斯普兰有限公司 | Central cooling method for deep underground mining operation area |
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