CN101504176A - Air conditioning system used for removable emergency escape capsule for coal mine - Google Patents
Air conditioning system used for removable emergency escape capsule for coal mine Download PDFInfo
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- CN101504176A CN101504176A CNA200910079754XA CN200910079754A CN101504176A CN 101504176 A CN101504176 A CN 101504176A CN A200910079754X A CNA200910079754X A CN A200910079754XA CN 200910079754 A CN200910079754 A CN 200910079754A CN 101504176 A CN101504176 A CN 101504176A
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Abstract
The invention belongs to the fields of safety equipment and air conditioner refrigeration, which relate to an air conditioning system of a movable emergent rescue capsule for a coal mine. The air conditioning system comprises an outside capsule refrigerating unit consisting of a refrigeration compressor, a finned heat exchanger, a condensing fan and an expansion valve, and an inside capsule air conditioning device consisting of an upper ice storage tank, a lower ice storage tank and an explosionproof fan. The air conditioning system has main function of conditioning the humidity and the temperature inside the rescue capsule by the least electric quantity when the coal mine has accident, and simultaneously keeping the food fresh. Under normal condition, an explosionproof ice storage unit outside the air conditioning system maintains the ice quantity of the inside capsule air conditioning device by a mine power source; and in cataclysm state, when the outside power supply is interrupted, the air conditioning system can independently work and achieve the refrigeration by fewer energy sources, is not influenced by power reserve in the capsule and the outside environment temperature, provides necessary cold quantity for the rescue capsule, and simultaneously reduces the temperature in the capsule through the condensation. The air conditioning system has simple, convenient and quick temperature regulating control operation and maintenance, and is suitable for maintaining the temperature and the humidity of the rescue capsule under the condition that the supply of the outside energy source is interrupted.
Description
Technical field
The invention belongs to safety means and air conditioner refrigerating field, relate to a kind of air handling system that is used for removable emergency escape capsule for coal mine, when surviving in survival capsule for the miner that can't in time withdraw when having an accident under colliery and other well industrial and mineral mine, under the situation that survival capsule is hedged off from the outer world, temperature is regulated, humidity in the while control cabinet, make in the cabin environment satisfy human basic existence requirement, guarantee miner's comfort level of surviving.
Background technology
At present, known mine rescue capsule and conditioner thereof at home by retrieval relevant information still do not have technology, the product of finishing, this series products is mainly used in mine with in emergency-sheltering chamber (MineEmergency Refuge Chamber) abroad, when being mainly used in the metalliferous mine accident, be miner's Creating Comfort life condition of in the emergency-sheltering chamber, taking refuge.The most common air-conditionings that adopt in external emergency-sheltering chamber are controlled temperature.Air-conditioner host can place refuge chamber inside, and compressor must be external, and therefore, in the colliery that explosion accident takes place frequently, the explosion-proof of active parts such as refuge chamber compressor of air conditioner are the problems of having to face.In addition, in confined space, to keep the humiture that makes the people comfortable, need enough electric power and keep the operation of air-conditioning, and external power cuts off during mine disaster, can only lean on powered battery, under the catastrophe state, freeze immediately, need a large amount of electric energy of deposit, can cause in the cabin battery volume excessive, bring the problem of maintenance, cost, safe each side.Simultaneously, may surpass the climatic environment maximum temperature of air-conditioning out of my cabin, cause the air-conditioning equipment can't operate as normal, be difficult to realize refrigeration if boundary's temperature is too high.Existing energy-storage type air-conditioning is to add cold-storage device between normal refrigeration host computer and cooling load, refrigeration host computer freezed in the network load paddy phase (not needing cooling or cooling seldom), with cold store with cold-storage device in, at network load peak phase (also being the cooling peak phase) cooling, reached the purpose that shifts power load.Do not do explosion-proof processing but present existing energy-storage type air-conditioning all has, can not satisfy Coal mine electrical equipment requirement of explosion proof, can't directly under mine, use.
Summary of the invention
The object of the invention provides a kind of air handling system of the removable emergency escape capsule that can satisfy Coal mine electrical equipment requirement of explosion proof, can directly use under mine.
A kind of air handling system that is used for removable emergency escape capsule for coal mine, system comprise conditioner in explosion-proof refrigeration unit and the cabin out of my cabin:
Explosion-proof out of my cabin refrigeration unit comprises annex gas-liquid separator, control box, drier, liquid trap of finned heat exchanger, condensation fan, refrigeration compressor, expansion valve and refrigeration system etc.The unit layout as shown in Figure 1, except that control box, connect by pipeline between each parts, each parts order of connection is: gas-liquid separator → refrigeration compressor → finned heat exchanger → liquid trap → drier → expansion valve, control box is positioned at explosion-proof refrigeration unit bottom out of my cabin, links to each other with condensation fan, refrigeration compressor and external power supply respectively by lead.
Boiling is vaporized in the built-in coil pipe of liquid refrigerant conditioner casing in the cabin, absorbs the heat of liquid in the upper and lower ice-reserving case, and the cooling of box house solution is frozen.Cause liquid hammer in the refrigeration compressor for preventing that liquid refrigerant from entering, the gaseous refrigerant that conditioner is drawn in the cabin enters refrigeration compressor again through behind the gas-liquid separator earlier.Refrigeration compressor sucks the gas refrigerant of the low-temp low-pressure of flash-pot, become the superheated vapor of HTHP after the compression, enter in the finned heat exchanger, the peripherad air heat radiation of gaseous refrigerant becomes high-pressure sub-cooled liquid, high-pressure sub-cooled liquid drying device flows into expansion valve throttling step-down, becomes the low-temp low-pressure liquid condition, enters once more in the built-in coil pipe of the conditioner in the cabin to vaporize, the heat of absorption coil surrounding liquid is so far finished a circulation.The operation that the cold circulation of compressor goes round and begins again has guaranteed the continuity of process of refrigerastion.
Conditioner in the cabin, comprise ice-reserving case, following each annex of ice-reserving case and upper and lower ice-reserving case, as the stainless steel casing of casing, foamed polyurethane insulation material, antistaling box, ventilation shaft, explosion-proof fan, top box water filling port, nowel water filling port, top box discharge outlet, nowel discharge outlet, top box inlet, nowel inlet, tube connector, built-in coil pipe, air outlet etc.
The conditioner casing is assembled by last ice-reserving case, following ice-reserving case two parts in the cabin, and an end face of last ice-reserving case is provided with antistaling box, is used to store nutrient solution and food.Tube connector feeds upper and lower ice-reserving case respectively by upper and lower case inlet, and the top box inlet connects goes up the ice-reserving case, and the nowel inlet connects ice-reserving case down.Two kinds of structural configuration of built-in coil pipe branch light and shade of being made by copper tube are at box house up and down.Ventilation shaft is arranged in the middle of the upper and lower casing and the lower box side, and explosion-proof fan is in the bottom of following ice-reserving case.All be provided with water filling port and discharge outlet on the upper and lower ice-reserving box body wall, be used for the filling and the cold-storage solution of releasing.
Aircondition is made up of last ice-reserving case, following ice-reserving case two parts in the cabin, and the ice-reserving box body is made up of stainless steel, and the filled polyurethane expanded material plays insulation effect in the interlayer.The ice-reserving case is used to store cold-storage solution (water or other medium), the all built-in copper coil pipe of upper and lower ice-reserving case also passes through tube connector UNICOM, for the refrigeration working medium circulation, cold-producing medium enters built-in coil pipe by the top box inlet of last ice-reserving case one side, and the circulation back is from the nowel inlet flow direction explosion-proof refrigeration unit out of my cabin of following ice-reserving case homonymy in upper and lower ice-reserving case.In the middle of the upper and lower casing and down ice-reserving box body side is provided with ventilation duct, the air ventilation duct of can under explosion-proof fan guides, the flowing through cabin in, and air is drawn from air outlet behind refrigerated dehumidification.In addition, last ice-reserving case is provided with antistaling box, can utilize ice-reserving case low temperature long term storage food and water.
When the ice-reserving operating mode, the external refrigeration compressor by tube connector, feeds cold-producing medium respectively in the upper and lower ice-reserving case, and cold-producing medium directly evaporation and absorption heat in built-in coil pipe build-up ice the liquid of built-in coil pipe outer surface.Along with the carrying out of ice-reserving process, the tube wall surface ice sheet is more and more thicker, when solution is become real ice fully in casing, promptly finishes the ice-reserving process.When situation is unusual out of my cabin, when needing the adjusting device cooling,, form Cryogenic air after air fully contacts with ice body is surperficial in ventilation shaft and in the cabin, blow cold wind by circulating of air in the unlatching explosion-proof fan velocity package.Simultaneously, when ice body skimmed over, moisture wherein contacted with the ice body surface at air, ice body is cooled to humid air below the dew-point temperature, the steam that surpasses saturated water capacity removes in the mode of condensed water, and the water of condensation is directly introduced time ice-reserving case inside, reaches the effect of humidity in the reduction cabin.Ice body melts the water that forms and can drink for personnel in the cabin in the last ice-reserving case, personnel's problem of drinking water in the solution cabin.
According to the air handling system that is used for removable emergency escape capsule for coal mine of the present invention, it mainly acts on is when having an accident under mine, utilizes minimum electric weight that the humiture of survival capsule inside is mediated, and also is food fresh-keeping simultaneously.This air handling system under normal circumstances, outside explosion-proof refrigeration unit utilizes the mine power supply to continue to keep the ice amount of conditioner in the cabin, when externally fed interrupts under the catastrophe state, conditioner utilizes the less energy both can work alone in the cabin, be not subjected to the influence of electric power deposit in the cabin and ambient temperature, for survival capsule provides necessary cold, reduce humidity in the cabin by condensation simultaneously.Can control survival capsule temperature inside and humidity in the scope of human physiological requirements, prevent because too high living safety and the comfort level that influences personnel in the cabin of temperature and humidity.
Air handling system among the present invention is compared with common air-conditioning and is, when externally fed interrupted under the catastrophe state, this system utilized the less energy both can work alone in the cabin, for survival capsule provides necessary cold, reduced humidity in the cabin simultaneously.
Air handling system among the present invention is compared with common energy accumulation air conditioner and is, all active parts such as blower fan at ventilation shaft place all carry out explosion-proof processing with reference to relevant criterion in compressor in the refrigeration system out of my cabin, dual-pressure controller, magnetic valve, control instrument, electric cabinet and the cabin, it can be used in maybe may there be the explosion hazard area of I class imflammable gas in the colliery, fill up domestic industry blank.Explosion-proof fan can be powered respectively by survival capsule battery and external power source dual mode, also can control fan starting by the blower fan control panel of cabin inner air-cleaning device, change rotation speed of fan to adjust operating efficiency and energy consumption.
Air handling system among the present invention adopt direct vaporation-type refrigeration system with evaporimeter as heat transmission equipment, the intermediate link of cold and hot conversion has been avoided in a heat exchange of cold-producing medium and chilled water, has reduced energy consumption, refrigeration machine efficient height.
Air conditioner cooling system among the present invention is directly got cold from the ice-reserving case, and the ice body in the ice-reserving case directly contacts with ventilation shaft, has saved secondary heat-exchange procedure, has reduced the adjusting parts, thereby greatly reduces system cost and operating cost; Improved reliability of system operation.
Go up in the cabin in the air handling system among the present invention in the ice-reserving case and be provided with antistaling box, can guarantee the quality to nutrient solution in the cabin and food for a long time, last ice-reserving box body bottom is provided with discharge outlet, and water outlet can be satisfied in the cabin personnel's requirement of drinking water.
Conditioner can work alone in the cabin in the air handling system among the present invention, also air outlet can be connected with the air cleaning unit air inlet, with survival capsule air cleaning system compatibility, the common air closed circuit, air is earlier through entering clarifier from the air cleaning unit air inlet behind the air-conditioning system refrigerated dehumidification in the cabin, handle through medicament layer again, finish the cabin inner cyclic process by air cleaning unit explosion-proof fan air outlet.
Description of drawings
Fig. 1 is a regulating system of the present invention refrigeration unit layout out of my cabin;
Fig. 2 is conditioner front view in the regulating system of the present invention cabin.
Fig. 3 is conditioner side view in the regulating system of the present invention cabin.
The specific embodiment
Describe air handling system below with reference to accompanying drawings in detail, in the accompanying drawings, represent components identical in the identical label formula according to the removable emergency escape capsule that is used for the colliery of exemplary embodiment of the present invention.
As shown in Figure 1, the present invention includes by finned heat exchanger 1, condensation fan 2, refrigeration compressor 4, expansion valve 6 etc., and the annex gas-liquid separator 3 of refrigeration system, control box 5,, the explosion-proof out of my cabin refrigeration unit formed of drier 7, liquid trap 8.The unit layout except that control box 5, connects by pipeline between each parts as shown in Figure 1, and each parts order of connection is: gas-liquid separator 3 → refrigeration compressor 4 → finned heat exchanger 1 → liquid trap 8 → drier 7 → expansion valve 6.Control box 5 is positioned at explosion-proof refrigeration unit bottom out of my cabin, links to each other with condensation fan 2, refrigeration compressor 4 and external power supply respectively by lead.
Boiling is vaporized in the built-in coil pipe of liquid refrigerant conditioner casing in the cabin, absorbs the heat of liquid in the upper and lower ice-reserving case, and the cooling of box house liquid is frozen.Cause liquid hammer for preventing that liquid refrigerant from entering in the refrigeration compressor 4, the gaseous refrigerant that conditioner is drawn in the cabin enters refrigeration compressor 4 again through behind the gas-liquid separator 3 earlier.Refrigeration compressor 4 sucks the gas refrigerant of the low-temp low-pressure of flash-pot, become the superheated vapor of HTHP after the compression, enter in the finned heat exchanger 1, the peripherad air heat radiation of gaseous refrigerant becomes high-pressure sub-cooled liquid, high-pressure sub-cooled liquid drying device 7 flows into expansion valves 6 throttling step-downs, becomes the low-temp low-pressure liquid condition, enters once more in the built-in coil pipe of the conditioner in the cabin to vaporize, the heat of water body is so far finished a circulation around the absorption coil.The operation that the cold circulation of compressor goes round and begins again has guaranteed the continuity of process of refrigerastion.
As Fig. 2, shown in Figure 3, conditioner is made up of stainless steel casing 9, foaming polyamine fat insulation material 10, antistaling box 12, ventilation shaft 13, explosion-proof fan 15, nowel discharge outlet 16, built-in coil pipe 17, tube connector 18, nowel inlet 19, top box inlet 20, air outlet 21, top box water filling port 22, top box discharge outlet 23 and the nowel water filling port 24 etc. of last ice-reserving case 11, following ice-reserving case 14, cabin body in the cabin, and the cabin internal box is assembled by last ice-reserving case 11, following ice-reserving case 14 two parts.
Embodiment 1: as shown in Figure 1, the refrigeration unit out of my cabin of air handling system, on common air-conditioning off-premises station basis, relevant requirements according to electric apparatus for explosive atmospheres, carry out special explosion-proof processing at all active parts such as the compressor of unit, blower fan, dual-pressure controller, magnetic valve, control instrument, electric cabinets, make it can be in the I class, T1～T4 group imflammable gas, steam mix the explosion hazard area of formation with air, and safe operation in the environment of the appearance explosive mixture that maybe may occur.As shown in Figure 1, the boiling vaporization absorbs solution heat in the ice-reserving case in the built-in coil pipe of liquid refrigerant upper and lower ice-reserving case inside of conditioner in the cabin, and the cooling of box house liquid is frozen.Cause liquid hammer in the compressor for preventing that liquid refrigerant from entering, the gaseous refrigerant that conditioner is drawn in the cabin enters refrigeration compressor again through behind the gas-liquid separator earlier.Refrigeration compressor sucks the gas refrigerant of the low-temp low-pressure of flash-pot, make it become the superheated vapor of HTHP after compression, enter in the fin radiator, the heat radiation of peripherad air becomes high-pressure sub-cooled liquid, and the expansion valve throttling step-down of flowing through of high-pressure sub-cooled liquid drying filter becomes the low-temp low-pressure liquid condition, enter once more in the built-in coil pipe of the conditioner in the cabin and vaporize, the heat of water body so far, is finished a circulation around the absorption coil.The operation that the cold circulation of compressor goes round and begins again has guaranteed the continuity of process of refrigerastion.
As Fig. 2, shown in Figure 3, the conditioner casing is assembled by last ice-reserving case, following ice-reserving case two parts in the cabin, and an end face of last ice-reserving case is provided with antistaling box, is used to store nutrient solution and food.Tube connector feeds upper and lower ice-reserving case respectively by upper and lower case inlet, and the top box inlet connects goes up the ice-reserving case, and the nowel inlet connects ice-reserving case down.Two kinds of structural configuration of built-in coil pipe branch light and shade of being made by copper tube are at box house up and down.Ventilation shaft is arranged in the middle of the upper and lower casing and the lower box side, and explosion-proof fan is in the bottom of following ice-reserving case.All be provided with water filling port and discharge outlet on the upper and lower ice-reserving box body wall, be used for the filling and the cold-storage solution of releasing.
Aircondition is made up of last ice-reserving case, following ice-reserving case two parts in the cabin, and the ice-reserving box body is made up of stainless steel, and the filled polyurethane expanded material plays insulation effect in the interlayer.The ice-reserving case is used to store cold-storage solution (water or other medium), the all built-in copper coil pipe of upper and lower ice-reserving case also passes through tube connector UNICOM, for refrigeration working medium circulation, cold-producing medium enters the built-in coil pipe back of circulate by inlet on last ice-reserving case one side and flows to outside unit from the following inlet of ice-reserving case homonymy down in upper and lower ice-reserving case.In the middle of the upper and lower casing and side is provided with ventilation duct, the air ventilation duct of can under explosion-proof fan guides, the flowing through cabin in, and air is drawn from air outlet behind refrigerated dehumidification.In addition, last ice-reserving case is provided with antistaling box, can utilize ice-reserving case low temperature long term storage food and water.
When the ice-reserving operating mode, the external refrigeration compressor by tube connector, feeds cold-producing medium respectively in the upper and lower ice-reserving case, and cold-producing medium directly evaporation and absorption heat in built-in coil pipe build-up ice the solution of built-in coil pipe outer surface.Along with the carrying out of ice-reserving process, the tube wall surface ice sheet is more and more thicker, when solution is become real ice fully in casing, promptly finishes the ice-reserving process.When situation is unusual out of my cabin, when needing the adjusting device cooling,, form Cryogenic air after air fully contacts with ice body is surperficial in ventilation shaft and in the cabin, blow cold wind by circulating of air in the unlatching explosion-proof fan velocity package.Simultaneously, when ice body skimmed over, moisture wherein contacted with the ice body surface at air, ice body is cooled to humid air below the dew-point temperature, the steam that surpasses saturated water capacity removes in the mode of condensed water, and the water of condensation is directly introduced time ice-reserving case inside, reaches the effect of humidity in the reduction cabin.Ice body melts the water that forms and can drink for personnel in the cabin in the last ice-reserving case, personnel's problem of drinking water in the solution cabin.Conditioner is adjacent with the air cleaning system installation site in the cabin, can move simultaneously with the survival capsule air cleaning system, reaches the purpose of saving the cabin internally-powered.Close explosion-proof fan this moment, air outlet is connected with the air cleaning unit air inlet, air through entering clarifier from the air cleaning unit air inlet behind the air-conditioning system refrigerated dehumidification, is handled through medicament layer earlier again in the cabin, finishes the cabin inner cyclic process by air cleaning unit explosion-proof fan air outlet.
Claims (9)
1. an air handling system that is used for the removable emergency escape capsule in colliery is characterized in that this is
Turnkey is drawn together conditioner in explosion-proof refrigeration unit and the cabin out of my cabin:
Explosion-proof out of my cabin refrigeration unit comprises finned heat exchanger (1), condensation fan (2), gas-liquid separator (3), refrigeration compressor (4), control box (5), expansion valve (6), drier (7), liquid trap (8); Except that control box, connect by pipeline between each parts, the order of connection is: gas-liquid separator → refrigeration compressor → finned heat exchanger → liquid trap → drier → expansion valve, control box is positioned at explosion-proof refrigeration unit bottom out of my cabin, links to each other with condensation fan, refrigeration compressor and external power supply respectively by lead;
The conditioner casing is assembled by last ice-reserving case (11), following ice-reserving case (14) two parts in the cabin.
2, the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1, it is characterized in that conditioner also comprises in the described cabin: comprise stainless steel casing (9), foamed polyurethane insulation material (10), antistaling box (12), ventilation shaft (13), explosion-proof fan (15), nowel discharge outlet (16), built-in coil pipe (17), tube connector (18), nowel inlet (19), top box inlet (20), air outlet (21), top box water filling port (22), top box discharge outlet (23), nowel water filling port (24); The ice-reserving box body is made up of stainless steel, and the filled polyurethane expanded material plays insulation effect in the interlayer; The ice-reserving case is used to store cold-storage solution, and upper and lower ice-reserving case is equipped with copper built-in coil pipe and by tube connector UNICOM, circulates for refrigeration working medium; Cold-producing medium enters built-in coil pipe by the top box inlet of last ice-reserving case one side, and the circulation back is from the nowel inlet flow direction explosion-proof refrigeration unit out of my cabin of following ice-reserving case homonymy in upper and lower ice-reserving case; In the middle of the upper and lower casing and down ice-reserving box body side is provided with ventilation shaft, the air ventilation shaft of under explosion-proof fan guides, the flowing through cabin in, and air is drawn from air outlet behind refrigerated dehumidification; One end face of last ice-reserving case is provided with antistaling box, is used to store nutrient solution and food; The discharge outlet water outlet of upper box bottom can be satisfied in the cabin personnel's requirement of drinking water.
3. the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1 is characterized in that: outside explosion-proof refrigeration unit is electrically connected with the mine power supply, utilizes the mine power supply to continue to keep the ice amount of conditioner in the cabin under the normal condition; Even outside unit is destroyed under the catastrophe state, the conditioner in the cabin leans on the ice amount that is stored still can work alone, temperature, humidity in the control cabinet.
4. the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1, it is characterized in that: in the external refrigeration machine in compressor, dual-pressure controller, magnetic valve, control instrument, electric cabinet and the cabin all active parts of the blower fan at ventilation shaft place all carry out explosion-proof processing with reference to relevant criterion, it can be used in maybe may there be the explosion hazard area of I class imflammable gas in the colliery.
5. the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1, it is characterized in that: the explosion-proof fan of conditioner can also can be controlled fan starting by the blower fan control panel of cabin inner air-cleaning device, change rotation speed of fan to adjust operating efficiency and energy consumption respectively by survival capsule battery and the power supply of external power source dual mode in the cabin.
6. the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1, it is characterized in that: described air handling system adopt direct vaporation-type refrigeration system with evaporimeter as heat transmission equipment, a heat exchange of cold-producing medium and chilled water, avoided the intermediate link of cold and hot conversion, reduce energy consumption, improved refrigeration machine efficient.
7. the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1, it is characterized in that: described air handling system air in ventilation shaft fully contacts with the ice body surface, airborne moisture condenses when contacting with the ice body surface, under directly introducing, the water of condensation in the ice-reserving case, saves condensed water collecting device.
8. the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1 is characterized in that: air conditioner cooling system is directly got cold from the ice-reserving case, and the ice body in the ice-reserving case directly contacts with ventilation shaft, saves secondary heat exchange.
9. the removable emergency escape capsule air handling system that is used for the colliery as claimed in claim 1, it is characterized in that: the air outlet of conditioner can be connected with the air cleaning unit air inlet in the cabin, with survival capsule air cleaning system compatibility, the common air closed circuit, air is earlier through entering clarifier from the air cleaning unit air inlet behind the air-conditioning system refrigerated dehumidification in the cabin, handle through medicament layer again, finish the cabin inner cyclic process by air cleaning unit explosion-proof fan air outlet.
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| CNA200910079754XA CN101504176A (en) | 2009-03-10 | 2009-03-10 | Air conditioning system used for removable emergency escape capsule for coal mine |
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| CNA200910079754XA CN101504176A (en) | 2009-03-10 | 2009-03-10 | Air conditioning system used for removable emergency escape capsule for coal mine |
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2009
- 2009-03-10 CN CNA200910079754XA patent/CN101504176A/en active Pending
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