Evaporation cold screw water chiller-heater unit with total heat recovery function
The invention discloses an evaporation cold screw water chiller-heater unit with a total heat recovery function. The water chiller-heater unit comprises a screw compressor connected into a refrigeration circulation loop, an oil separator, a four-way valve, an evaporative condenser, an electric valve...
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| creator | YAN DONGJUN ZHANG LIBIAO JING WUHUI JIN CHENGZHAO SUN CHUNXIA LIANG SHUCHENG HAN WEIDA TANG JINJUN |
| description | The invention discloses an evaporation cold screw water chiller-heater unit with a total heat recovery function. The water chiller-heater unit comprises a screw compressor connected into a refrigeration circulation loop, an oil separator, a four-way valve, an evaporative condenser, an electric valve, a liquid storage device, a drying filter, an electromagnetic valve, a throttling valve, an air conditioner water side heat exchanger, a gas-liquid separator, a one-way valve, a total heat recoverer and a fin heat exchanger. By controlling an on-off state of the electric valve and the electromagnetic valve through the unit, switching among four functions and operation modes of refrigeration, heating, refrigeration + total heat recovery and hot water can be achieved; and meanwhile, the unit mayachieve a component independent defrosting function of the fin heat exchanger through on-off control of the four-way valve. The requirements of refrigeration, heating, sanitation or process hot waterall the year round of a co |
| format | Patent |
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The water chiller-heater unit comprises a screw compressor connected into a refrigeration circulation loop, an oil separator, a four-way valve, an evaporative condenser, an electric valve, a liquid storage device, a drying filter, an electromagnetic valve, a throttling valve, an air conditioner water side heat exchanger, a gas-liquid separator, a one-way valve, a total heat recoverer and a fin heat exchanger. By controlling an on-off state of the electric valve and the electromagnetic valve through the unit, switching among four functions and operation modes of refrigeration, heating, refrigeration + total heat recovery and hot water can be achieved; and meanwhile, the unit mayachieve a component independent defrosting function of the fin heat exchanger through on-off control of the four-way valve. 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The water chiller-heater unit comprises a screw compressor connected into a refrigeration circulation loop, an oil separator, a four-way valve, an evaporative condenser, an electric valve, a liquid storage device, a drying filter, an electromagnetic valve, a throttling valve, an air conditioner water side heat exchanger, a gas-liquid separator, a one-way valve, a total heat recoverer and a fin heat exchanger. By controlling an on-off state of the electric valve and the electromagnetic valve through the unit, switching among four functions and operation modes of refrigeration, heating, refrigeration + total heat recovery and hot water can be achieved; and meanwhile, the unit mayachieve a component independent defrosting function of the fin heat exchanger through on-off control of the four-way valve. The requirements of refrigeration, heating, sanitation or process hot waterall the year round of a co</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS |
| title | Evaporation cold screw water chiller-heater unit with total heat recovery function |
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