CN102434994A - Method for preparing high-low temperature chilled water in one-machine three-grade compression mode and special water chiller - Google Patents

Method for preparing high-low temperature chilled water in one-machine three-grade compression mode and special water chiller Download PDF

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Publication number
CN102434994A
CN102434994A CN2011103629030A CN201110362903A CN102434994A CN 102434994 A CN102434994 A CN 102434994A CN 2011103629030 A CN2011103629030 A CN 2011103629030A CN 201110362903 A CN201110362903 A CN 201110362903A CN 102434994 A CN102434994 A CN 102434994A
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China
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temperature
water
chilled water
loop
stage
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CN2011103629030A
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Chinese (zh)
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屈国伦
谭海阳
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广州市设计院
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Priority to CN2011103629030A priority Critical patent/CN102434994A/en
Publication of CN102434994A publication Critical patent/CN102434994A/en

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Abstract

The invention relates to a method for preparing high-low temperature chilled water in one-machine three-grade compression mode and a special water cooler, which are characterized in that a one-machine three-grade compression double evaporator water cooler is arranged in an air conditioning system, a refrigeration agent loop and a chilled water loop are arranged in the water cooler, the refrigeration agent loop adopts a one-machine three-grade compressor to be connected with a condenser through a pipeline, high temperature high pressure refrigeration agent steam output by the one-machine three-grade compressor is divided into two ways after being condensed by the condenser, one way of the agent steam enters a middle cooler through a bypass throttling device, and the other way of the agent steam passes through a refrigeration agent pipeline, penetrates through the middle cooler, and then is divided into two branches. A high temperature chilled water return pipe and a high temperature chilled water supply pipe are connected with a high temperature evaporator to obtain high temperature chilled water, and a lower temperature chilled water return pipe and a low temperature chilled water supply pipe are connected with a low temperature evaporator to obtain low temperature chilled water. The method and the water cooler achieve high-efficiency large-compression-ratio cooling circulation, and can prepare chilled water with large temperature difference through one machine simultaneously, thereby having the advantages of one machine two uses, high efficiency, low power consumption and the like.

Description

Unit three stage compression types are produced the method and the special-purpose handpiece Water Chilling Units of high low temperature chilled water
Technical field
The present invention relates to a kind of unit three stage compression types and produce the method and the special-purpose handpiece Water Chilling Units of high low temperature chilled water, be applicable to the HVAC technology, belong to humiture and independently control air-conditioning technical field.
Background technology
At present, the effect of air-conditioning system is through sending into and discharge the air of certain state parameter, accomplish adjusting and control to temperature, humidity and the resh air requirement etc. of thermal environment in the building in the building, thereby guarantees the comfortableness of indoor occupant.In summer, be the control indoor temperature, need to get rid of through unnecessary heat in the inlet chambers such as architectural exterior-protecting construction, indoor occupant and light units; Be controlled humidity and resh air requirement, the steam that needs eliminating personnel breathing and skin surface evaporation to produce, and breathe the carbon dioxide that produces.Get rid of indoor unnecessary heat, room temperature is controlled at about 25 ℃, the sink temperature that then means these part needs is lower than 25 ℃ and gets final product.To the control of humidity,, need the low-temperature receiver of lower temperature owing to need dehumidifying.Therefore, for the humiture autonomous control system, need provide high low temperature two kinds big temperature difference low-temperature receivers.And there is function singleness in the handpiece Water Chilling Units of air-conditioning system of the prior art, can't produces the shortcoming of high low temperature different water temperature chilled water simultaneously, thereby needs research can satisfy the handpiece Water Chilling Units of humiture independence control air conditioner system requirement.
Summary of the invention
First purpose of the present invention is for there is function singleness in the handpiece Water Chilling Units that overcomes existing air-conditioning system, can't produces the problem of high low temperature (different water temperature) chilled water simultaneously, provides a kind of unit three stage compression types to produce the method for high low temperature chilled water.
Second purpose of the present invention is in order to provide a kind of unit three stage compression types to produce the special-purpose handpiece Water Chilling Units of high low temperature chilled water.
The object of the invention can reach through following technical scheme:
Unit three stage compression types are produced the method for high low temperature chilled water, it is characterized in that:
1) three grades of compressions of unit double evaporators handpiece Water Chilling Units is set in air-conditioning system; In three grades of compressions of described unit double evaporators handpiece Water Chilling Units, refrigerant loop and chilled water loop are set; Refrigerant loop is made up of in equipment and pipeline cold-producing medium; The chilled water loop is made up of in equipment and pipeline chilled water
2) refrigerant loop adopts the unit three-stage blower to be connected with condenser through pipeline, and the high-temperature high-pressure refrigerant steam of unit three-stage blower output is divided into two the tunnel after condenser condenses, and the bypass throttling arrangement of leading up to gets into intercooler; Another road is through refrigerant tubing, is divided into two branches after passing through intercooler, and one of branch flows through and gets into high-temperature evaporator behind the high temperature loop throttling arrangement; Two of branch flows through and gets into cryogenic vaporizer behind the low-temperature loop throttling arrangement; The cold-producing medium of this branch endothermic gasification in cryogenic vaporizer enters the low-pressure stage section in the unit three-stage blower after becoming steam; Get into the medium pressure grade section in the unit three-stage blower through the exhaust of low-pressure stage section compression and after from the refrigerant mixed of high-temperature evaporator; Through in take its exhaust of level section compression back by force and refrigerant vapour from intercooler mix after hiigh pressure stage section in the entering unit three-stage blower; Accomplish the compression of hiigh pressure stage section, promptly accomplish a circulation; Refrigerant vapour after compression gets into condenser, and beginning is circulation next time;
3) the chilled water loop comprises high temperature chilled water loop and cryogenic freezing water loops; Be provided with high temperature chilled water water return outlet and high temperature chilled water feed water inlet in the high-temperature evaporator, be communicated with or external high temperature chilled water with high temperature chilled water feed pipe through high temperature chilled water return pipe, constitute high temperature chilled water loop by high temperature chilled water water return outlet; Be provided with cryogenic freezing water water return outlet and cryogenic freezing water feed water inlet in the cryogenic vaporizer, be communicated with or external cryogenic freezing water with cryogenic freezing water feed pipe through cryogenic freezing water return pipe, constitute the cryogenic freezing water loops by cryogenic freezing water water return outlet; High temperature chilled water feed water inlet output high temperature chilled water, cryogenic freezing water feed water inlet output cryogenic freezing water.
First purpose of the present invention can also reach through following technical scheme:
The measure of further dealing with problems is: the 2nd) refrigerant loop in step; The high-temperature high-pressure refrigerant steam of unit three-stage blower output is discharged the back from compressor and is got into condenser; Become the saturated refrigerant liquid of high pressure through after the condenser condenses; Said saturated refrigerant liquid is divided into two-way after condenser is discharged, the one tunnel through the bypass throttling arrangement, is become saturated refrigerant liquid after the throttling and gets into intercooler; Another road is through refrigerant tubing, passes through in the intercooler to be cooled after the liquid part, and this part refrigerant liquid is further divided into two branches, and the cold-producing medium of one of branch high temperature loop throttling arrangement of flowing through gets into high-temperature evaporator; Two cold-producing medium of branch is flowed through and is got into cryogenic vaporizer behind the low-temperature loop throttling arrangement; This cold-producing medium becomes steam behind the endothermic gasification in cryogenic vaporizer; Enter the low-pressure stage section in the unit three-stage blower, exhaust after the compression of low-pressure stage section and the refrigerant mixed from high-temperature evaporator get into the medium pressure grade section in the unit three-stage blower together; Mix with refrigerant vapour accomplishing middle rank section compression its exhaust of back from intercooler; Get into the hiigh pressure stage section in the unit three-stage blower together, accomplish the compression of hiigh pressure stage section, promptly accomplish a circulation; Refrigerant vapour after compression gets into condenser, and beginning is circulation next time.
Unit three stage compression types are produced the special-purpose handpiece Water Chilling Units of high low temperature chilled water, and its design feature is:
1) it comprises unit three-stage blower, condenser, intercooler, bypass throttling arrangement, high temperature loop throttling arrangement, low-temperature loop throttling arrangement, high-temperature evaporator, cryogenic vaporizer, high temperature chilled water return pipe, high temperature chilled water feed pipe, cryogenic freezing water return pipe, cryogenic freezing water feed pipe;
2) said three-stage blower comprises low-pressure stage section, medium pressure grade section and hiigh pressure stage section; The output of low-pressure stage section is connected with the input of medium pressure grade section through pipeline, and the output of said medium pressure grade section connects through the input of pipeline hiigh pressure stage section; The output of the hiigh pressure stage section of said three-stage blower is connected with the input of condenser; One of one of output of said condenser input through bypass throttling arrangement and intercooler is connected, and two of the input of two direct and intercoolers of the output of condenser is connected; One of output of intercooler is connected with the medium pressure grade section of three-stage blower and the pipeline between the hiigh pressure stage section; Two one of inputs through high temperature loop throttling arrangement and high-temperature evaporator of the output of intercooler are connected, and three of the output of intercooler passes through one of input of low-temperature loop throttling arrangement and cryogenic vaporizer and is connected; One of output of high-temperature evaporator is connected with the low-pressure stage section of three-stage blower and the pipeline between the medium pressure grade section; One of output of cryogenic vaporizer is connected with the input of the low-pressure stage section of three-stage blower; Thereby formation refrigerant loop;
3) the chilled water loop comprises high temperature chilled water loop and cryogenic freezing water loops; Be provided with high temperature chilled water water return outlet and high temperature chilled water feed water inlet in the high-temperature evaporator; High temperature chilled water water return outlet is communicated with high temperature chilled water return pipe; High temperature chilled water feed water inlet is communicated with, exports the high temperature chilled water with high temperature chilled water feed pipe; High temperature chilled water water return outlet is communicated with or external high temperature chilled water with high temperature chilled water feed pipe through high temperature chilled water return pipe, constitutes high temperature chilled water loop; Be provided with cryogenic freezing water water return outlet and cryogenic freezing water feed water inlet in the cryogenic vaporizer; Cryogenic freezing water water return outlet is communicated with cryogenic freezing water return pipe; Cryogenic freezing water feed water inlet is communicated with, exports cryogenic freezing water with cryogenic freezing water feed pipe; Cryogenic freezing water water return outlet is communicated with or external cryogenic freezing water with cryogenic freezing water feed pipe through cryogenic freezing water return pipe, constitutes the cryogenic freezing water loops.
The invention has the beneficial effects as follows:
1, the present invention has high, medium and low three grades of section compressing mechanisms because three grades of compressions of employing unit double evaporators handpiece Water Chilling Units is set, and therefore can realize efficient big compression ratio kind of refrigeration cycle; Reduce the compressor wasted work; Also can produce high low temperature different water temperature chilled water simultaneously, have dual-use, efficient is high; Can reduce initial cost, reduce characteristics such as machine room floor space.
2, the present invention combines three grades of compressions of unit and double evaporators; Compressor low-pressure stage section steam discharge is through mixing with the high-temperature evaporator steam discharge, and the back that is cooled gets into the compressor intermediate pressure section, through in press compress after; Exhaust with from the intercooler refrigerant vapor mixing; Get into the compressor high pressure section after being cooled again, thereby can realize efficient big compression ratio kind of refrigeration cycle, reduce the compressor wasted work.
3, the present invention can produce high low temperature different water temperature chilled water simultaneously owing to utilize double evaporators to form high temperature chilled water loop and cryogenic freezing water loops, has dual-use, and efficient is high, can reduce initial cost, reduces effects such as machine room floor space.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
The specific embodiment
Specific embodiment:
With reference to Fig. 1, the special-purpose handpiece Water Chilling Units that unit three stage compression types that the present embodiment present embodiment uses are produced high low temperature chilled water comprises unit three-stage blower 1, condenser 2, intercooler 4, bypass throttling arrangement 3, high temperature loop throttling arrangement 5 and low-temperature loop throttling arrangement 6, high-temperature evaporator 7, cryogenic vaporizer 8, high temperature chilled water return pipe 9, high temperature chilled water feed pipe 10, cryogenic freezing water return pipe 11, cryogenic freezing water feed pipe 12; Three-stage blower 1 comprises low-pressure stage section 1-1, medium pressure grade section 1-2 and hiigh pressure stage section 1-3; The output of low-pressure stage section 1-1 is connected with the input of medium pressure grade section 1-2 through pipeline, and the output of said medium pressure grade section 1-2 connects through the input of pipeline hiigh pressure stage section 1-3; The output of the hiigh pressure stage section 1-3 of three-stage blower 1 is connected with the input of condenser 2; One of one of output of condenser 2 input through bypass throttling arrangement 3 and intercooler 4 is connected, and two of the input of two direct and intercoolers 4 of the output of condenser 2 is connected; One of output of intercooler 4 is connected with the medium pressure grade section 1-2 of three-stage blower 1 and the pipeline between the hiigh pressure stage section 1-3; Two one of inputs through high temperature loop throttling arrangement 5 and high-temperature evaporator 7 of the output of intercooler 4 are connected, and three of the output of intercooler 4 passes through one of input of low-temperature loop throttling arrangement 6 and cryogenic vaporizer 8 and is connected; One of output of high-temperature evaporator 7 is connected with the low-pressure stage section 1-1 of three-stage blower 1 and the pipeline between the medium pressure grade section 1-2; One of output of cryogenic vaporizer 8 is connected with the input of the low-pressure stage section 1-1 of three-stage blower 1; Thereby formation refrigerant loop; The chilled water loop comprises high temperature chilled water loop and cryogenic freezing water loops; Be provided with high temperature chilled water water return outlet and high temperature chilled water feed water inlet in the high-temperature evaporator 7; High temperature chilled water water return outlet is communicated with high temperature chilled water return pipe 9; High temperature chilled water feed water inlet is communicated with, exports the high temperature chilled water with high temperature chilled water feed pipe 10; High temperature chilled water water return outlet is communicated with or external high temperature chilled water with high temperature chilled water feed pipe 10 through high temperature chilled water return pipe 9, constitutes high temperature chilled water loop; Be provided with cryogenic freezing water water return outlet and cryogenic freezing water feed water inlet in the cryogenic vaporizer 8; Cryogenic freezing water water return outlet is communicated with cryogenic freezing water return pipe 11; Cryogenic freezing water feed water inlet is communicated with, exports cryogenic freezing water with cryogenic freezing water feed pipe 12; Cryogenic freezing water water return outlet is communicated with or external cryogenic freezing water with cryogenic freezing water feed pipe 12 through cryogenic freezing water return pipe 11, constitutes the cryogenic freezing water loops.
In the present embodiment: unit three-stage blower 1, condenser 2, intercooler 4, bypass throttling arrangement 3, high temperature loop throttling arrangement 5 and low-temperature loop throttling arrangement 6, high-temperature evaporator 7, cryogenic vaporizer 8, can adopt unit three-stage blower, condenser, intercooler, bypass throttling arrangement, high temperature loop throttling arrangement and low-temperature loop throttling arrangement, high-temperature evaporator, the cryogenic vaporizer of routine techniques.
Operation principle of the present invention:
With reference to Fig. 1, after three grades of compressions of the cold-producing medium said compressor of process, get into said condenser 2, cold-producing medium is divided into two parts through after the condensation, and a part is become saturated refrigerant liquid through bypass throttling arrangement 3 after the throttling, get into intercooler 4; Another part passes through liquid part in the intercooler through refrigerant tubing, and after being cooled, this part refrigerant liquid is further divided into two parts.Wherein part of refrigerant is flowed through behind the high temperature loop throttling arrangement 5, gets into high-temperature evaporator 7, and another part is flowed through behind the low-temperature loop throttling arrangement 6, gets into cryogenic vaporizer 8.High temperature chilled water return pipe 9 and high temperature chilled water feed pipe 10 link to each other with high-temperature evaporator 7, accomplish producing of high temperature chilled water.Cryogenic freezing water return pipe 11 and cryogenic freezing water feed pipe 12 link to each other with cryogenic vaporizer 8, accomplish producing of cryogenic freezing water.Cold-producing medium becomes steam behind the endothermic gasification in cryogenic vaporizer 8; Be inhaled into the low-pressure stage section 1-1 in the unit three-stage blower 1; Its exhaust after compression with from the refrigerant mixed of high-temperature evaporator 7, get into the medium pressure grade section 1-2 in the unit three-stage blower 1 together, accomplish middle rank compression its exhaust of back and mix with refrigerant vapour from intercooler 7; Get into the hiigh pressure stage section 1-3 in the unit three-stage blower 1 together, accomplish the compression of hiigh pressure stage section.Refrigerant vapour after compression gets into condenser 2, and beginning is circulation next time.
High temperature chilled water feed water inlet output high temperature chilled water, cryogenic freezing water feed water inlet output cryogenic freezing water.
The above; Be merely the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technical staff who is familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the scope that the present invention discloses, all belong to protection scope of the present invention.

Claims (3)

1. unit three stage compression types are produced the method for high low temperature chilled water, it is characterized in that:
1) three grades of compressions of unit double evaporators handpiece Water Chilling Units is set in air-conditioning system; In three grades of compressions of described unit double evaporators handpiece Water Chilling Units, refrigerant loop and chilled water loop are set; Refrigerant loop is made up of in equipment and pipeline cold-producing medium; The chilled water loop is made up of in equipment and pipeline chilled water
2) refrigerant loop adopts the unit three-stage blower to be connected with condenser through pipeline, and the high-temperature high-pressure refrigerant steam of unit three-stage blower output is divided into two the tunnel after condenser condenses, and the bypass throttling arrangement of leading up to gets into intercooler; Another road is through refrigerant tubing, is divided into two branches after passing through intercooler, and one of branch flows through and gets into high-temperature evaporator behind the high temperature loop throttling arrangement; Two of branch flows through and gets into cryogenic vaporizer behind the low-temperature loop throttling arrangement; The cold-producing medium of this branch endothermic gasification in cryogenic vaporizer enters the low-pressure stage section in the unit three-stage blower after becoming steam; Get into the medium pressure grade section in the unit three-stage blower through the exhaust of low-pressure stage section compression and after from the refrigerant mixed of high-temperature evaporator; Through in take its exhaust of level section compression back by force and refrigerant vapour from intercooler mix after hiigh pressure stage section in the entering unit three-stage blower; Accomplish the compression of hiigh pressure stage section, promptly accomplish a circulation; Refrigerant vapour after compression gets into condenser, and beginning is circulation next time;
3) the chilled water loop comprises high temperature chilled water loop and cryogenic freezing water loops; Be provided with high temperature chilled water water return outlet and high temperature chilled water feed water inlet in the high-temperature evaporator, be communicated with or external high temperature chilled water with high temperature chilled water feed pipe through high temperature chilled water return pipe, constitute high temperature chilled water loop by high temperature chilled water water return outlet; Be provided with cryogenic freezing water water return outlet and cryogenic freezing water feed water inlet in the cryogenic vaporizer, be communicated with or external cryogenic freezing water with cryogenic freezing water feed pipe through cryogenic freezing water return pipe, constitute the cryogenic freezing water loops by cryogenic freezing water water return outlet; High temperature chilled water feed water inlet output high temperature chilled water, cryogenic freezing water feed water inlet output cryogenic freezing water.
2. unit three stage compression types according to claim 1 are produced the method for high low temperature chilled water; It is characterized in that: the 2nd) refrigerant loop in step; The high-temperature high-pressure refrigerant steam of unit three-stage blower output is discharged the back from compressor and is got into condenser, becomes the saturated refrigerant liquid of high pressure through after the condenser condenses, and said saturated refrigerant liquid is divided into two-way after condenser is discharged; One the tunnel through the bypass throttling arrangement, is become saturated refrigerant liquid after the throttling and gets into intercooler; Another road is through refrigerant tubing, passes through in the intercooler to be cooled after the liquid part, and this part refrigerant liquid is further divided into two branches, and the cold-producing medium of one of branch high temperature loop throttling arrangement of flowing through gets into high-temperature evaporator; Two cold-producing medium of branch is flowed through and is got into cryogenic vaporizer behind the low-temperature loop throttling arrangement; This cold-producing medium becomes steam behind the endothermic gasification in cryogenic vaporizer; Enter the low-pressure stage section in the unit three-stage blower, exhaust after the compression of low-pressure stage section and the refrigerant mixed from high-temperature evaporator get into the medium pressure grade section in the unit three-stage blower together; Mix with refrigerant vapour accomplishing middle rank section compression its exhaust of back from intercooler; Get into the hiigh pressure stage section in the unit three-stage blower together, accomplish the compression of hiigh pressure stage section, promptly accomplish a circulation; Refrigerant vapour after compression gets into condenser, and beginning is circulation next time.
3. unit three stage compression types are produced the special-purpose handpiece Water Chilling Units of high low temperature chilled water, it is characterized in that:
1) it comprises unit three-stage blower (1), condenser (2), intercooler (4), bypass throttling arrangement (3), high temperature loop throttling arrangement (5), low-temperature loop throttling arrangement (6), high-temperature evaporator (7), cryogenic vaporizer (8), high temperature chilled water return pipe (9), high temperature chilled water feed pipe (10), cryogenic freezing water return pipe (11), cryogenic freezing water feed pipe (12);
2) said three-stage blower (1) comprises low-pressure stage section (1-1), medium pressure grade section (1-2) and hiigh pressure stage section (1-3); The output of low-pressure stage section (1-1) is connected with the input of medium pressure grade section (1-2) through pipeline, and the output of said medium pressure grade section (1-2) connects through the input of pipeline hiigh pressure stage section (1-3); The output of the hiigh pressure stage section (1-3) of said three-stage blower (1) is connected with the input of condenser (2); One of one of output of condenser (2) input through bypass throttling arrangement (3) and intercooler (4) is connected, and two of the input of two direct and intercoolers (4) of the output of condenser (2) is connected; One of output of intercooler (4) is connected with the medium pressure grade section (1-2) of three-stage blower (1) and the pipeline between the hiigh pressure stage section (1-3); Two one of inputs through high temperature loop throttling arrangement (5) and high-temperature evaporator (7) of the output of intercooler (4) are connected, and three of the output of intercooler (4) passes through one of input of low-temperature loop throttling arrangement (6) and cryogenic vaporizer (8) and is connected; One of output of high-temperature evaporator (7) is connected with the low-pressure stage section (1-1) of three-stage blower (1) and the pipeline between the medium pressure grade section (1-2); One of output of cryogenic vaporizer (8) is connected with the input of the low-pressure stage section (1-1) of three-stage blower (1); Thereby formation refrigerant loop;
3) the chilled water loop comprises high temperature chilled water loop and cryogenic freezing water loops; Be provided with high temperature chilled water water return outlet and high temperature chilled water feed water inlet in the high-temperature evaporator (7); High temperature chilled water water return outlet is communicated with high temperature chilled water return pipe (9); High temperature chilled water feed water inlet is communicated with, exports the high temperature chilled water with high temperature chilled water feed pipe (10); High temperature chilled water water return outlet is communicated with or external high temperature chilled water with high temperature chilled water feed pipe (10) through high temperature chilled water return pipe (9), constitutes high temperature chilled water loop; Be provided with cryogenic freezing water water return outlet and cryogenic freezing water feed water inlet in the cryogenic vaporizer (8); Cryogenic freezing water water return outlet is communicated with cryogenic freezing water return pipe (11); Cryogenic freezing water feed water inlet is communicated with, exports cryogenic freezing water with cryogenic freezing water feed pipe (12); Cryogenic freezing water water return outlet is communicated with or external cryogenic freezing water with cryogenic freezing water feed pipe (12) through cryogenic freezing water return pipe (11), constitutes the cryogenic freezing water loops.
CN2011103629030A 2011-11-16 2011-11-16 Method for preparing high-low temperature chilled water in one-machine three-grade compression mode and special water chiller CN102434994A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104220823A (en) * 2012-03-30 2014-12-17 大金工业株式会社 Refrigeration device
CN104315633A (en) * 2014-10-21 2015-01-28 东南大学 Water chiller unit, operating method and refrigerant for air-conditioner refrigeration field
WO2020042768A1 (en) * 2018-08-28 2020-03-05 艾默生环境优化技术(苏州)有限公司 Refrigerant circulation system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111595A1 (en) * 2006-03-27 2007-10-04 Carrier Corporation Refrigerating system with parallel staged economizer circuits discharging to interstage pressures of a main compressor
CN101251282A (en) * 2008-04-03 2008-08-27 东南大学 Water chilling unit based on hot moisture independent process as well as air-treatment method thereof
EP2068099A2 (en) * 2007-12-05 2009-06-10 Hitachi Ltd. Refrigeration cycle system, natural gas liquefaction plant, heat pump system, and method for retrofitting refrigeration cycle system
CN101568769A (en) * 2006-12-26 2009-10-28 开利公司 Refrigerant system with economizer, intercooler and multi-stage compressor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111595A1 (en) * 2006-03-27 2007-10-04 Carrier Corporation Refrigerating system with parallel staged economizer circuits discharging to interstage pressures of a main compressor
CN101568769A (en) * 2006-12-26 2009-10-28 开利公司 Refrigerant system with economizer, intercooler and multi-stage compressor
EP2068099A2 (en) * 2007-12-05 2009-06-10 Hitachi Ltd. Refrigeration cycle system, natural gas liquefaction plant, heat pump system, and method for retrofitting refrigeration cycle system
CN101251282A (en) * 2008-04-03 2008-08-27 东南大学 Water chilling unit based on hot moisture independent process as well as air-treatment method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104220823A (en) * 2012-03-30 2014-12-17 大金工业株式会社 Refrigeration device
CN104315633A (en) * 2014-10-21 2015-01-28 东南大学 Water chiller unit, operating method and refrigerant for air-conditioner refrigeration field
CN104315633B (en) * 2014-10-21 2017-04-05 东南大学 For the handpiece Water Chilling Units in air conditioner refrigerating field, method of work and cold-producing medium
WO2020042768A1 (en) * 2018-08-28 2020-03-05 艾默生环境优化技术(苏州)有限公司 Refrigerant circulation system

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