CN104314604B - Mine dehumidification air conditioner - Google Patents
Mine dehumidification air conditioner Download PDFInfo
- Publication number
- CN104314604B CN104314604B CN201410615302.XA CN201410615302A CN104314604B CN 104314604 B CN104314604 B CN 104314604B CN 201410615302 A CN201410615302 A CN 201410615302A CN 104314604 B CN104314604 B CN 104314604B
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- Prior art keywords
- heat exchange
- casing
- heat exchanger
- fixed
- finned heat
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 26
- 241000276425 Xiphophorus maculatus Species 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 37
- 238000007906 compression Methods 0.000 claims description 37
- 238000009833 condensation Methods 0.000 claims description 37
- 230000005494 condensation Effects 0.000 claims description 37
- 239000003507 refrigerant Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000002365 multiple layer Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 238000005057 refrigeration Methods 0.000 abstract description 16
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000002274 desiccant Substances 0.000 abstract description 5
- 238000005065 mining Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 9
- 239000004575 stone Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
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
- E21F3/00—Cooling or drying of air
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)
- Drying Of Gases (AREA)
Abstract
Mine dehumidification air conditioner, belongs to mining art of refrigeration units.Finned heat exchanger (3) is fixed on the end of cool condenser (2), finned heat exchanger (3) is the platy structure along condenser (2) length direction, it is fixed with heat exchange casing (4) in the outside of finned heat exchanger (3), heat exchange casing (4) offers air inlet (401) on a side adjacent with finned heat exchanger (3) inlet side, heat exchange casing (4) offers air outlet (402) on a side adjacent with finned heat exchanger (3) end, and air outlet (402) is positioned at heat exchange casing (4) one end away from condenser (2), the area of air inlet (401) is more than the area of air outlet (402), air outlet (402) place is fixed with blower fan.Using side air inlet, end air-out, reduce the wind speed of air inlet, finned heat exchanger can fully make condensed water directly drip, and desiccant cooling is effective.
Description
Technical field
The housing of refrigeration unit, belongs to art of refrigeration units.
Background technology
Mine air high humidity, affect the healthy of workman, the heat exchanger of current mining air-conditioning many employings tubular, use one end air intake, the mode of one end air-out, so air inlet is identical with the wind speed of air outlet, cause heat exchanger to have little time condensed water to discharge, the most again taken away by the air of air outlet, refrigeration, the weak effect of dehumidifying, the mining air-conditioning having at present uses water fender to stop condensed water at finned heat exchanger, but effect on moisture extraction is poor, and water fender can increase power of fan, adds the energy consumption of air-conditioning.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, it is provided that the mine dehumidification air conditioner that a kind of refrigeration, effect on moisture extraction are good, energy consumption is low.
The technical solution adopted for the present invention to solve the technical problems is: this mine dehumidification air conditioner, including the compressor being sequentially communicated, condenser and finned heat exchanger, described finned heat exchanger is fixed on the end of cool condenser, finned heat exchanger is the platy structure along condenser length direction, it is fixed with heat exchange casing in the outside of finned heat exchanger, heat exchange casing offers air inlet on a side adjacent with finned heat exchanger inlet side, heat exchange casing offers air outlet on a side adjacent with finned heat exchanger end, and air outlet is positioned at heat exchange casing one end away from condenser, the area of air inlet is more than the area of air outlet, blower fan it is fixed with at air outlet.Change the air-flow direction through finned heat exchanger; using side air inlet, end air-out, the area of air inlet is more than the area of air outlet; reduce the wind speed of air inlet; finned heat exchanger can fully make condensed water directly drip, and desiccant cooling is effective, and need not water fender and dehumidify; also without the power increasing blower fan; reducing energy consumption, heat exchange casing can also realize the protection to finned heat exchanger, it is to avoid finned heat exchanger is impacted by the stone that drops above tunnel.
Preferably, in described heat exchange box body, side bottom is provided with a drip tray, and finned heat exchanger interval is fixed on above drip tray, and one end of drip tray connects the drain pipe stretching out heat exchange casing.Collect, by drip tray, the condensed water that finned heat exchanger drips, and discharged by drain pipe, it is to avoid condensed water corrosion heat exchange casing and finned heat exchanger, increase the service life.
Preferably, described compressor has two of parallel connection, described finned heat exchanger has the heat exchange copper tube of multiple-layer horizontal, wherein the heat exchange copper tube of odd-level is connected and connects the first refrigerant pipe, the heat exchange copper tube of even level is connected and connects the second refrigerant pipe, and the most airtight between odd-level and the heat exchange copper tube of even level；First refrigerant pipe and the second refrigerant pipe connect a compressor respectively.Two compressors can work independently, it is also possible to work simultaneously, it is provided that two kinds of power selection, can only open a compressor in the case of temperature is the highest, reduces energy consumption, and two compressors work alone, it is simple to maintenance.
Preferably, described finned heat exchanger is rectangular plate-like, and heat exchange casing is cuboid, and finned heat exchanger is vertically fixed in heat exchange box body, and air outlet is positioned on the vertical end face in heat exchange box body length direction.Can adapt to the working environment in mine, take up room little, it is simple to placed longitudinally along tunnel.
Preferably, being further fixed on compression condensation casing in the outside of described compressor Yu condenser, compression condensation casing abuts against with the end of heat exchange casing.Realize the protection to compressor Yu condenser by compression condensation casing, make whole refrigeration unit by complete preservation, adapt to the working environment such as mine, tunnel, it is to avoid the stone damage refrigeration unit dropped in tunnel.
Preferably, being fixed with slip rail in the bottom of described compression condensation casing Yu heat exchange casing, slip rail is parallel to the length direction of condenser.Drag this mine dehumidification air conditioner by slip rail to move with construction location, conveniently moving, and slip rail fixation after fixing, it is to avoid slide because vibrations produce.
Preferably, being fixed with vertical fixed frame at described slip rail two ends, vertical fixed frame is clamped in compression condensation casing and the heat exchange casing outer end along slip rail length direction, and each vertical fixed frame upper end connects by horizontal fixed frame is fixing.Two ends by vertical fixed frame clamping compression condensation casing with heat exchange casing, it is to avoid compression condensation casing and heat exchange casing deform in dragging process, damage refrigeration unit, add the intensity of compression condensation casing and heat exchange casing.
Preferably, described heat exchange box height is pressed on the upper surface of heat exchange casing in compression condensation casing, horizontal fixed frame.Further increasing the intensity of compression condensation casing, it is to avoid deform in dragging process, horizontal fixed frame is made by channel-section steel, it is possible to bear bigger impact, safe and reliable.
Preferably, described heat exchange casing and compression condensation casing are wide cuboid, and condenser is fixed along compression condensation casing length direction level, and compressor is fixed on the top of cool condenser.Rational in infrastructure, adapt to place in long and narrow mine laneway, move.
Preferably, the inlet side of described finned heat exchanger is fixed with leaf filter, and air inlet is fixed with filter bearer bar.Substantially increasing cleannes and the quality of sent cold wind, beneficially underground labour's is healthy, and after this leaf filter uses a period of time, it is also possible to cleaning re-multiplexing of releasing.
Compared with prior art, the technique scheme of this mine dehumidification air conditioner is had the beneficial effect that
1, desiccant cooling is effective, energy consumption is low; the present invention changes the air-flow direction through finned heat exchanger; use side air inlet; end air-out; the area of air inlet is more than the area of air outlet; reduce the wind speed of air inlet; finned heat exchanger can fully make condensed water directly drip; desiccant cooling is effective; and need not water fender and dehumidify, it is not required that increase the power of blower fan, reduce energy consumption; heat exchange casing can also realize the protection to finned heat exchanger, it is to avoid finned heat exchanger is impacted by the stone that drops above tunnel.
2, collect, by drip tray, the condensed water that finned heat exchanger drips, and discharged by drain pipe, it is to avoid condensed water corrosion heat exchange casing and finned heat exchanger, increase the service life.
3, energy-conservation, two compressors can work independently, it is also possible to work simultaneously, it is provided that two kinds of power selection, can only open a compressor in the case of temperature is the highest, reduces energy consumption, and two compressors work alone, it is simple to maintenance.
4, realize the protection to compressor Yu condenser by compression condensation casing, make whole refrigeration unit by complete preservation, adapt to the working environment such as mine, tunnel, it is to avoid the stone damage refrigeration unit dropped in tunnel.
5, by the two ends of vertical fixed frame clamping compression condensation casing with heat exchange casing, it is to avoid compression condensation casing and heat exchange casing deform in dragging process, damage refrigeration unit, add the intensity of compression condensation casing and heat exchange casing.
6, leaf filter, substantially increases cleannes and the quality of sent cold wind, and beneficially underground labour's is healthy, and after this leaf filter uses a period of time, it is also possible to cleaning re-multiplexing of releasing；Finned heat exchanger and leaf filter are effectively protected by filter bearer bar.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure perspective view of this mine dehumidification air conditioner.
Fig. 2 is the perspective view of heat exchange casing.
Fig. 3 is the perspective view of this mine dehumidification air conditioner.
Fig. 4 is the front view of heat exchange casing.
Fig. 5 is the sectional view in Fig. 4 at A-A.
Fig. 6 be this mine dehumidification air conditioner be the structural representation of single compressor.
Wherein: 1, compressor 2, condenser 3, finned heat exchanger 4, heat exchange casing 401, air inlet 402, air outlet 5, compression condensation casing 6, slip rail 7, vertical fixed frame 8, horizontal fixed frame 9, filter bearer bar 10, leaf filter 11, electrical control cabinet 12, drip tray 13, drain pipe the 14, first refrigerant pipe the 15, second refrigerant pipe.
Detailed description of the invention
Fig. 1 ~ 5 are the most preferred embodiments of this mine dehumidification air conditioner, and 1 ~ 6 the present invention will be further described below in conjunction with the accompanying drawings.
With reference to Fig. 1, this mine dehumidification air conditioner, including the compressor 1 being sequentially communicated, condenser 2 and finned heat exchanger 3, described finned heat exchanger 3 is fixed on the end of cool condenser 2, finned heat exchanger 3 is the platy structure along condenser 2 length direction, in the outside of finned heat exchanger 3 is fixed with heat exchange casing 4(Fig. 2 or 3 visible), heat exchange casing 4 offers in air inlet 401(Fig. 3 visible on a side adjacent with finned heat exchanger 3 inlet side), heat exchange casing 4 offers in air outlet 402(Fig. 2 visible on a side adjacent with finned heat exchanger 3 end), and air outlet 402 is positioned at heat exchange casing 4 one end away from condenser 2, the area of air inlet 401 is more than the area of air outlet 402, blower fan (being not drawn in figure) it is fixed with at air outlet 402.The present invention changes the air-flow direction through finned heat exchanger 3; use side air inlet; end air-out; the area of air inlet 401 is more than the area of air outlet 402; reduce the wind speed of air inlet 401; finned heat exchanger 3 can fully make condensed water directly drip; desiccant cooling is effective; and need not water fender and dehumidify; also without the power increasing blower fan; reducing energy consumption, heat exchange casing 4 can also realize the protection to finned heat exchanger 3, it is to avoid finned heat exchanger 3 is impacted by the stone that drops above tunnel.
Concrete, in the present embodiment, compressor 1 has two of parallel connection, described finned heat exchanger 3 has the heat exchange copper tube of multiple-layer horizontal, wherein the heat exchange copper tube of odd-level is connected and connects the first refrigerant pipe 14, the heat exchange copper tube of even level is connected and connects the second refrigerant pipe 15, and the most airtight between odd-level and the heat exchange copper tube of even level；First refrigerant pipe 14 is connected a compressor 1 respectively with the second refrigerant pipe 15, two compressors 1 can work independently, can also work simultaneously, two kinds of power selection are provided, a compressor 1 can be only opened in the case of temperature is the highest, reduce energy consumption, and two compressors 1 work alone, it is simple to maintenance.Certainly the mine dehumidification air conditioner of the present invention can also be only with a compressor 1.
Heat exchange casing 4 inside bottom is provided with a drip tray 12, and finned heat exchanger 3 interval is fixed on above drip tray 12, and one end of drip tray 12 connects the drain pipe 13 stretching out heat exchange casing 4.Collect, by drip tray 12, the condensed water that finned heat exchanger 3 drips, and discharged by drain pipe 13, it is to avoid condensed water corrosion heat exchange casing 4 and finned heat exchanger 3, increase the service life.
With reference to Fig. 2, finned heat exchanger 3 is rectangular plate-like, and heat exchange casing 4 is cuboid, and finned heat exchanger 3 is vertically fixed in heat exchange casing 4, and air outlet 402 is positioned on the vertical end face of heat exchange casing 4 length direction.Adapting to the working environment that mine laneway is long and narrow, in the mine dehumidification air conditioner of the present invention, finned heat exchanger 3 can also is that circle, trapezoidal or other shapes, and heat exchange casing 4 can also be trapezoidal or other are irregularly shaped.
With reference to Fig. 3, it is further fixed on compression condensation casing 5 in the outside of compressor 1 with condenser 2, heat exchange casing 4 and compression condensation casing 5 are wide cuboid, compression condensation casing 5 abuts against with the end of heat exchange casing 4 length direction, condenser 2 is fixed along compression condensation casing 5 length direction level, compressor 1 is fixed on the top of cool condenser 2, rational in infrastructure, adapts to place in long and narrow mine laneway, move.Realize the protection to compressor 1 with condenser 2 by compression condensation casing, make whole refrigeration unit by complete preservation, adapt to the working environment such as mine, tunnel, it is to avoid the stone damage refrigeration unit dropped in tunnel.Being fixed with slip rail 6 in the bottom of compression condensation casing 5 with heat exchange casing 4, slip rail 6 is parallel to the length direction of condenser 2.Drag this mine dehumidification air conditioner by slip rail 6 to move with construction location, conveniently moving, and slip rail 6 fixation after fixing, it is to avoid slide because vibrations produce.Use entirety envelope plank frame in the bottom of compression condensation casing 5 with heat exchange casing 4, be difficult to time mobile choke into rubble, mobile convenient, easy to use.It is also preferred that the left be additionally provided with heat-insulation layer inside heat exchange casing 4 so that cool and be difficult to arbitrarily scatter and disappear, improve the refrigerating efficiency of refrigeration unit down-hole.
It is fixed with vertical fixed frame 7 at slip rail 6 two ends; vertical fixed frame 7 is clamped in compression condensation casing 5 and heat exchange casing 4 outer end along slip rail 6 length direction; each vertical fixed frame 7 upper end connects by horizontal fixed frame 8 is fixing; employing integral frame-type is protected; structure integral rigidity is high; the two ends of compression condensation casing 5 and heat exchange casing 4 are clamped by vertical fixed frame 7; avoid compression condensation casing 5 and heat exchange casing 4 to deform in dragging process, damage refrigeration unit, add the intensity of compression condensation casing 5 and heat exchange casing 4.Vertical fixed frame 7 in the present embodiment is four channel-section steels being vertically arranged, and heat exchange casing 4 is higher than compression condensation casing 5 in the present embodiment, horizontal fixed frame 8 is pressed on the upper surface of heat exchange casing 4, further increase the intensity of compression condensation casing 5, avoid deforming in dragging process, horizontal fixed frame 8 is made by channel-section steel, it is possible to bear bigger impact, safe and reliable.
With reference to Fig. 4～5, the inlet side of finned heat exchanger 3 is fixed with leaf filter 10, is fixed with filter bearer bar 9 at air inlet 401.Substantially increase cleannes and the quality of sent cold wind; beneficially underground labour's is healthy; and after this leaf filter uses a period of time; can also release cleaning re-multiplexing; filter bearer bar 9 realizes finned heat exchanger 3 and the protection of leaf filter 10; the stone damage finned heat exchanger 3 dropped in avoiding tunnel and leaf filter 10, safe and reliable, service life is long.
This mine dehumidification air conditioner can have multiple power model, as a example by 145kW, and cold blast rate 9700m3/ h, equivalent 2.6944 m3/ s, 32 ° of C of inlet temperature (humidity 99%), 21.8 ° of C of leaving air temp (humidity 99%), vaporizer wind resistance 30Pa, good refrigeration effect.
Being above highly preferred embodiment of the present invention, the present invention can also use other structures.
With reference to Fig. 6, this mine dehumidification air conditioner only can arrange heat exchange casing 4 in the outside of finned heat exchanger 3, and compressor 1 has and only one of which, and compressor 1 connects finned heat exchanger 3 by a refrigerant pipe.Compressor 1 can be fixed on the upside of condenser 2, it is also possible to is fixed on one end of condenser 2 or horizontal side.Compressor 1 is screw compressor, it is also possible to be scroll compressor.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form, and any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as the Equivalent embodiments of equivalent variations.But every without departing from technical solution of the present invention content, any simple modification, equivalent variations and remodeling above example made according to the technical spirit of the present invention, still fall within the protection domain of technical solution of the present invention.
Claims (9)
- null1. a mine dehumidification air conditioner，Including the compressor (1) being sequentially communicated、Condenser (2) and finned heat exchanger (3)，It is characterized in that: described finned heat exchanger (3) is fixed on the end of cool condenser (2)，Finned heat exchanger (3) is the platy structure along condenser (2) length direction，It is fixed with heat exchange casing (4) in the outside of finned heat exchanger (3)，Heat exchange casing (4) offers air inlet (401) on a side adjacent with finned heat exchanger (3) inlet side，Heat exchange casing (4) offers air outlet (402) on a side adjacent with finned heat exchanger (3) end，And air outlet (402) is positioned at heat exchange casing (4) one end away from condenser (2)，The area of air inlet (401) is more than the area of air outlet (402)，Air outlet (402) place is fixed with blower fan；Described compressor (1) has two of parallel connection, described finned heat exchanger (3) has the heat exchange copper tube of multiple-layer horizontal, wherein the heat exchange copper tube of odd-level is connected and connects the first refrigerant pipe (14), the heat exchange copper tube of even level is connected and connects the second refrigerant pipe (15), and the most airtight between odd-level and the heat exchange copper tube of even level；First refrigerant pipe (14) is connected a compressor (1) respectively with the second refrigerant pipe (15).
- Mine dehumidification air conditioner the most according to claim 1, it is characterized in that: described heat exchange casing (4) inside bottom is provided with a drip tray (12), finned heat exchanger (3) interval is fixed on drip tray (12) top, and one end of drip tray (12) connects the drain pipe (13) stretching out heat exchange casing (4).
- Mine dehumidification air conditioner the most according to claim 1, it is characterized in that: described finned heat exchanger (3) is rectangular plate-like, heat exchange casing (4) is cuboid, finned heat exchanger (3) is vertically fixed in heat exchange casing (4), and air outlet (402) is positioned on the vertical end face of heat exchange casing (4) length direction.
- Mine dehumidification air conditioner the most according to claim 1, it is characterised in that: be further fixed on compression condensation casing (5) in the outside of described compressor (1) Yu condenser (2), compression condensation casing (5) abuts against with the end of heat exchange casing (4).
- Mine dehumidification air conditioner the most according to claim 4, it is characterised in that: being fixed with slip rail (6) in the bottom of described compression condensation casing (5) Yu heat exchange casing (4), slip rail (6) is parallel to the length direction of condenser (2).
- Mine dehumidification air conditioner the most according to claim 5, it is characterized in that: be fixed with vertical fixed frame (7) at described slip rail (6) two ends, vertical fixed frame (7) is clamped in compression condensation casing (5) and heat exchange casing (4) outer end along slip rail (6) length direction, and each vertical fixed frame (7) upper end connects by horizontal fixed frame (8) is fixing.
- Mine dehumidification air conditioner the most according to claim 6, it is characterised in that: described heat exchange casing (4) is higher than compression condensation casing (5), and horizontal fixed frame (8) is pressed on the upper surface of heat exchange casing (4).
- 8. according to the mine dehumidification air conditioner described in any one of claim 4～7, it is characterized in that: described heat exchange casing (4) and compression condensation casing (5) are wide cuboid, condenser (2) is fixed along compression condensation casing (5) length direction level, and compressor (1) is fixed on the top of cool condenser (2).
- Mine dehumidification air conditioner the most according to claim 1, it is characterised in that: the inlet side of described finned heat exchanger (3) is fixed with leaf filter (10), and air inlet (401) place is fixed with filter bearer bar (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615302.XA CN104314604B (en) | 2014-11-05 | 2014-11-05 | Mine dehumidification air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615302.XA CN104314604B (en) | 2014-11-05 | 2014-11-05 | Mine dehumidification air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314604A CN104314604A (en) | 2015-01-28 |
| CN104314604B true CN104314604B (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410615302.XA Expired - Fee Related CN104314604B (en) | 2014-11-05 | 2014-11-05 | Mine dehumidification air conditioner |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112065495A (en) * | 2020-08-25 | 2020-12-11 | 中船重型装备有限公司 | Tunnel ventilation refrigeration air conditioner device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4750333A (en) * | 1983-10-03 | 1988-06-14 | Chicago Bridge & Iron Company | Integrated mine cooling and water conditioning system |
| WO2005088076A1 (en) * | 2004-03-04 | 2005-09-22 | Graham Paul Bloom | An airconditioning system |
| CN201358808Y (en) * | 2009-03-09 | 2009-12-09 | 山东同方能源工程技术有限公司 | Spiral coil turbulent air-cooler used in mine |
| CN201568071U (en) * | 2009-12-21 | 2010-09-01 | 福建雪人股份有限公司 | Spiral air cooler set |
| CN202531210U (en) * | 2012-04-24 | 2012-11-14 | 中煤科工集团重庆研究院 | Novel heat exchanging device for mining air-conditioning system |
| CN103075174B (en) * | 2013-01-08 | 2015-07-01 | 中煤科工集团重庆研究院有限公司 | Heat extraction equipment of mining refrigeration system |
| CN203161278U (en) * | 2013-03-14 | 2013-08-28 | 东莞市科美斯制冷设备有限公司 | Mine vacuum cooling system |
| CN103174450B (en) * | 2013-03-28 | 2015-07-08 | 宁波天海制冷设备有限公司 | Mine air conditioner |
| CN203488201U (en) * | 2013-09-23 | 2014-03-19 | 北京鑫源九鼎科技有限公司 | Cold water type mining refrigerating main machine |
| CN203867605U (en) * | 2014-06-20 | 2014-10-08 | 中煤科工集团重庆研究院有限公司 | Explosion-proof air conditioner for mine chamber |
| CN204140116U (en) * | 2014-11-05 | 2015-02-04 | 山东创尔沃热泵技术股份有限公司 | Mine dehumidification air conditioner |
-
2014
- 2014-11-05 CN CN201410615302.XA patent/CN104314604B/en not_active Expired - Fee Related
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