CN103075831B - Novel air-cooled evaporation type composite refrigeration house refrigerating system - Google Patents

Novel air-cooled evaporation type composite refrigeration house refrigerating system Download PDF

Info

Publication number
CN103075831B
CN103075831B CN201310025442.7A CN201310025442A CN103075831B CN 103075831 B CN103075831 B CN 103075831B CN 201310025442 A CN201310025442 A CN 201310025442A CN 103075831 B CN103075831 B CN 103075831B
Authority
CN
China
Prior art keywords
condenser
air
cooled
compressor
liquid separator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201310025442.7A
Other languages
Chinese (zh)
Other versions
CN103075831A (en
Inventor
巢民强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen J&h Intelligent Energy Technology Co ltd
Original Assignee
Shenzhen J&h Intelligent Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen J&h Intelligent Energy Technology Co ltd filed Critical Shenzhen J&h Intelligent Energy Technology Co ltd
Priority to CN201310025442.7A priority Critical patent/CN103075831B/en
Publication of CN103075831A publication Critical patent/CN103075831A/en
Priority to PCT/CN2014/070675 priority patent/WO2014111018A1/en
Application granted granted Critical
Publication of CN103075831B publication Critical patent/CN103075831B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in parallel arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/041—Details of condensers of evaporative condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23—Separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/026—Compressor control by controlling unloaders
    • F25B2600/0261—Compressor control by controlling unloaders external to the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/027—Compressor control by controlling pressure
    • F25B2600/0271—Compressor control by controlling pressure the discharge pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2519—On-off valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention belongs to the field of freezing and refrigeration and provides a novel air-cooled evaporation type composite refrigeration house refrigerating system. The system comprises a compressor, an oil and liquid separator, an electromagnetic four-way valve, an air-cooled condenser or an evaporation type condenser, a check valve, a liquid storing device, a visual liquid lens, a filter, a thermal expansion valve, an indoor evaporator and a vapor and liquid separator which are connected in series through pipes. An environment-friendly freon refrigerant serves as a system circulating medium, the air-cooled condenser and the evaporation type condenser are compositely connected in parallel to serve as the condenser in the whole refrigeration house system to reduce the temperature of the refrigerant, and the air-cooled condenser or the evaporation type condenser can be flexibly selected according to the external environment temperature when the system practically runs, so that the refrigeration coefficient of the refrigeration house can be effectively improved, the energy consumption is reduced, the system is high in efficiency and safe, and stable running of the system is ensured.

Description

A kind of cold storage refrigerating system of novel air-cooled vaporation-type compound
Technical field
The invention belongs to freezing and refrigeration field, particularly relate to a kind of cold storage refrigerating system field of novel air-cooled vaporation-type compound, more particularly, be air cooled condenser and evaporative condenser are connected in parallel, being series in whole refrigeration storage system can according to ambient temperature reasonable selection air cooled condenser or the evaporative condenser refrigeration storage system for cooling system cold-producing medium.
Background technology
According to ASSOCIATE STATISTICS, all kinds of fresh product gross annual output amount about 700,000,000 tons of China, the annual production of frozen food more than 2,500 ten thousand tons, the gross output value more than 52,000,000,000 yuan.At present, the commercial freezer area of China has more than 700 ten thousand square metres, thermal car about 30,000, refrigerated railway car 6900, along with the fast development of China's economy, people are growing to demands such as cold drink, meat products, vegetable and fruit, fresh flower, medicine, electronic products, in Future Ten year, the refrigerator car of China is every year by growth by more than 28%, and freezer increases by more than 30% every year.
From the status quo and development trend of freezer, its scale is by increasing, more and more closer with the raising relation of people's quality of life.Wherein, be that the refrigeration storage system promotion efficiency of cold-producing medium strengthens with freon, air-cooler replaces comb to become development trend, easy to operate, versatile and flexible, and highly effective and safe, reduction energy consumption, environmental protection and energy saving become New-style refrigeration house System Development direction.
Summary of the invention
The object of the present invention is to provide a kind of cold storage refrigerating system of novel air-cooled vaporation-type compound, be intended to solve refrigeration storage system condenser efficiency low, radiating effect is poor, can not environmentally temperature and the effective optimum Match of refrigeration storage system, consume energy large problem, and the present invention can effectively improve refrigeration storage system coefficient of refrigerating performance, reduces energy consumption, highly effective and safe, environmental protection and energy saving.
The present invention realizes like this.
A kind of cold storage refrigerating system of novel air-cooled vaporation-type compound, its compressor (1) with pipeline successively with oil-liquid separator (2), solenoid operated four-way valve (3), air cooled condenser (4), second check valve (7), reservoir (8), liquid-sighting glass (9), filter (10), heating power expansion valve (11), indoor evaporator (12), gas-liquid separator (13) is connected in series, described air cooled condenser (4) and evaporative condenser (5) are connected in parallel, described evaporative condenser (5) and the first check valve (6) are connected in series, pressure controller (14) is connected with compressor (1) air intake duct and blast pipe respectively, liquid injection valve (15) respectively with air cooled condenser (4), evaporative condenser (5) fluid house steward and compressor (1) air intake duct connect, temperature-sensitive bag is connected with blast pipe, 3rd check valve (16) and solenoid operated four-way valve (3), gas-liquid separator (13) is connected in series.
above-mentioned air cooled condenser (4) adopts finned heat exchanger.
Above-mentioned evaporative condenser (5) adopts evaporating heat exchanger.
Above-mentioned indoor evaporator (12) adopts finned heat exchanger, capillary lays heat exchanger.
Adopt technique scheme, air cooled condenser and evaporative condenser are placed in same system by the present invention, air cooled condenser and evaporative condenser are connected in parallel, suitable condenser can be selected to cool according to ambient temperature, when freezing in a large number summer, refrigerant temperature in evaporative condenser reduction system can be opened, when transition season freezes, refrigerant temperature in air cooled condenser reduction system can be opened, simultaneously, also automatically can select to open air cooled condenser or evaporative condenser according to refrigeration storage system actual needs, to reach the optimum operation coupling of whole refrigeration system, during above-mentioned refrigerating operaton, the optimum state that whole system utilizes can be reached, maximum raising Energy Efficiency Ratio, reduce energy consumption, save electric energy, reduce investment and system cloud gray model expense, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the systematic schematic diagram that the embodiment of the present invention provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1, its compressor (1) with pipeline successively with oil-liquid separator (2), solenoid operated four-way valve (3), air cooled condenser (4), second check valve (7), reservoir (8), liquid-sighting glass (9), filter (10), heating power expansion valve (11), indoor evaporator (12), gas-liquid separator (13) is connected in series, described air cooled condenser (4) and evaporative condenser (5) are connected in parallel, described evaporative condenser (5) and the first check valve (6) are connected in series, pressure controller (14) is connected with compressor (1) air intake duct and blast pipe respectively, liquid injection valve (15) respectively with air cooled condenser (4), evaporative condenser (5) fluid house steward and compressor (1) air intake duct connect, temperature-sensitive bag is connected with blast pipe, 3rd check valve (16) and solenoid operated four-way valve (3), gas-liquid separator (13) is connected in series, form the refrigeration storage system that can make cold-producing medium cycle operation wherein.
Refer to Fig. 1, described air cooled condenser (4) adopts finned heat exchanger.Described air cooled condenser (4) connects cooling refrigeration agent temperature in systems in which by pipeline, carries out exchange heat with air.
Refer to Fig. 1, described evaporative condenser (5) adopts evaporating heat exchanger.Described evaporative condenser (5) connects cooling refrigeration agent temperature in systems in which by pipeline, carries out exchange heat with water and air.
Refer to Fig. 1, described indoor evaporator (12) adopts finned heat exchanger.Described indoor evaporator (12) connects atmospheric heat in absorption chamber in systems in which by pipeline, and cold-producing medium and air carry out exchange heat.
The present embodiment has following two kinds of operating modes, and in these two kinds of duties, described air cooled condenser (4) is finned heat exchanger, and described evaporative condenser (5) is evaporating heat exchanger, and described indoor evaporator (12) is finned heat exchanger.
Operating mode one: refer to Fig. 1, when freezing in a large number summer, system adopts evaporative condenser heat radiation refrigeration, its main working process is as follows: after system switches on power, compressor (1) compressed refrigerant enters into oil-liquid separator (2), after fluid is separated, cold-producing medium carries out heat exchange by entering into evaporative condenser (5) after solenoid operated four-way valve (3) with water and air, refrigerant temperature reduces, reservoir (8) liquid storage is entered into by after the first check valve (6) after condensation of refrigerant, cold-producing medium out passes through liquid-sighting glass (9) successively from reservoir (8), heating power expansion valve (11) throttling is entered into after device for drying and filtering (10), after throttling, cold-producing medium enters evaporation endothermic in indoor evaporator (12), indoor temperature reduces, cold-producing medium endothermic temperature rises, cold-producing medium enters into gas-liquid separator (13) by tube connector between indoor evaporator (12) and gas-liquid separator (13), by gas-liquid separator (13) afterwards cold-producing medium get back in compressor (1), system enters into next circulation.
In described operating mode one, air cooled condenser (4) cuts out, evaporative condenser (5) is opened.
Operating mode two: refer to Fig. 1, when transition season need freeze, system adopts air cooled condenser heat radiation refrigeration, its main working process is as follows: after system switches on power, compressor (1) compressed refrigerant enters into oil-liquid separator (2), after fluid is separated, solenoid operated four-way valve (3) energising commutation, cold-producing medium carries out heat exchange by entering into air cooled condenser (4) after solenoid operated four-way valve (3) with air, refrigerant temperature reduces, reservoir (8) liquid storage is entered into by after the second check valve (7) after condensation of refrigerant, cold-producing medium out passes through liquid-sighting glass (9) successively from reservoir (8), heating power expansion valve (11) throttling is entered into after device for drying and filtering (10), after throttling, cold-producing medium enters evaporation endothermic in indoor evaporator (12), indoor temperature reduces, cold-producing medium endothermic temperature rises, cold-producing medium enters into gas-liquid separator (13) by tube connector between indoor evaporator (12) and gas-liquid separator (13), by gas-liquid separator (13) afterwards cold-producing medium get back in compressor (1), system enters into next circulation.
In described operating mode two, air cooled condenser (4) is opened, evaporative condenser (5) cuts out.
In above-mentioned operating mode one and operating mode two, its pressure controller (14) is connected with compressor (1) air intake duct and blast pipe respectively, its liquid injection valve (15) is connected with air cooled condenser (4), evaporative condenser (5) fluid house steward and compressor (1) air intake duct respectively, temperature-sensitive bag is connected with blast pipe, and its 3rd check valve (16) and solenoid operated four-way valve (3), gas-liquid separator (13) are connected in series.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. the cold storage refrigerating system of a novel air-cooled vaporation-type compound, it is characterized in that: compressor (1) pipeline successively with oil-liquid separator (2), solenoid operated four-way valve (3), air cooled condenser (4), second check valve (7), reservoir (8), liquid-sighting glass (9), filter (10), heating power expansion valve (11), indoor evaporator (12), gas-liquid separator (13) is connected in series, described air cooled condenser (4) and evaporative condenser (5) are connected in parallel, described evaporative condenser (5) and the first check valve (6) are connected in series, pressure controller (14) is connected with compressor (1) air intake duct and blast pipe respectively, liquid injection valve (15) respectively with air cooled condenser (4), evaporative condenser (5) fluid house steward and compressor (1) air intake duct connect, temperature-sensitive bag is connected with compressor (1) blast pipe, 3rd check valve (16) and solenoid operated four-way valve (3), gas-liquid separator (13) is connected in series.
2. the cold storage refrigerating system of a kind of novel air-cooled vaporation-type compound as claimed in claim 1, is characterized in that: described air cooled condenser adopts finned heat exchanger.
3. the cold storage refrigerating system of a kind of novel air-cooled vaporation-type compound as claimed in claim 1, is characterized in that: described indoor evaporator adopts finned heat exchanger, capillary lays heat exchanger.
4. the cold storage refrigerating system of a kind of novel air-cooled vaporation-type compound as claimed in claim 1, is characterized in that: described evaporative condenser adopts copper pipe, stainless steel tube, titanium pipe.
CN201310025442.7A 2013-01-21 2013-01-21 Novel air-cooled evaporation type composite refrigeration house refrigerating system Expired - Fee Related CN103075831B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310025442.7A CN103075831B (en) 2013-01-21 2013-01-21 Novel air-cooled evaporation type composite refrigeration house refrigerating system
PCT/CN2014/070675 WO2014111018A1 (en) 2013-01-21 2014-01-15 Novel air-cooled evaporation type composite refrigeration system for cold storage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310025442.7A CN103075831B (en) 2013-01-21 2013-01-21 Novel air-cooled evaporation type composite refrigeration house refrigerating system

Publications (2)

Publication Number Publication Date
CN103075831A CN103075831A (en) 2013-05-01
CN103075831B true CN103075831B (en) 2015-03-25

Family

ID=48152450

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310025442.7A Expired - Fee Related CN103075831B (en) 2013-01-21 2013-01-21 Novel air-cooled evaporation type composite refrigeration house refrigerating system

Country Status (2)

Country Link
CN (1) CN103075831B (en)
WO (1) WO2014111018A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075831B (en) * 2013-01-21 2015-03-25 深圳市庄合地能产业科技有限公司 Novel air-cooled evaporation type composite refrigeration house refrigerating system
CN106568259B (en) * 2015-10-08 2022-08-12 中海油能源发展股份有限公司 Refrigeration house refrigerating system based on liquefied natural gas cold energy
CN105673106A (en) * 2016-04-01 2016-06-15 上海开山能源装备有限公司 Organic Rankine cycle expansion machine system with combined condenser
CN105673105A (en) * 2016-04-01 2016-06-15 上海开山能源装备有限公司 Organic Rankine cycle expander system with combined working medium conveying mechanism
CN107830667A (en) * 2017-11-29 2018-03-23 郑州云海信息技术有限公司 A kind of refrigeration system
CN108168209A (en) * 2018-01-30 2018-06-15 中山市林特冷链设备有限公司 A kind of air-cooled refrigeration steamed bun making machine
CN108844280A (en) * 2018-08-16 2018-11-20 中国葛洲坝集团第工程有限公司 A kind of refrigeration equipment heat collection systems
CN109163402A (en) * 2018-10-17 2019-01-08 郑州云海信息技术有限公司 A kind of electronics machine room humiture processing system
CN111284292A (en) * 2019-09-03 2020-06-16 浙江宝佳利工程机械配件有限公司 Air conditioning system of new energy electric engineering vehicle
CN114396373B (en) * 2022-01-28 2024-01-16 烟台珈群高效节能设备有限公司 Oil cooling subsystem for evaporative condenser
CN115200252B (en) * 2022-07-15 2023-09-29 珠海格力电器股份有限公司 Fluorine pump pressure refrigeration system and control method thereof

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2711605Y (en) * 2004-07-02 2005-07-20 广东申菱空调设备有限公司 Energy saving purifying type roof air conditioner
CN200968715Y (en) * 2006-05-18 2007-10-31 李永光 Intelligent heat reclamation heat pump cold and hot water set
CN200996757Y (en) * 2007-01-05 2007-12-26 刘波 Double-source and operating mode hot-pump energy-saving system
JP5213372B2 (en) * 2007-07-09 2013-06-19 三菱電機株式会社 Air conditioner
SE0802086A1 (en) * 2008-10-03 2010-04-04 Svenning Ericsson Condenser heat control
CN101387479A (en) * 2008-10-31 2009-03-18 清华大学 Heat pipe cooling unit for composite condenser
CN201306879Y (en) * 2008-11-10 2009-09-09 游道明 Integrated refrigerating set
CN201503166U (en) * 2009-03-06 2010-06-09 上海源知机电科技有限公司 Refrigeration heat recovery unit capable of producing high-temperature hot water
CN101986062B (en) * 2010-11-15 2012-10-17 大连三洋压缩机有限公司 Condensation temperature-adjusting refrigeration system
CN202149639U (en) * 2011-06-24 2012-02-22 大连三洋压缩机有限公司 Pressure-adjusting regenerative refrigeration compression condensing unit adopting R404A refrigerant
CN202116340U (en) * 2011-06-27 2012-01-18 哈尔滨汽轮机厂辅机工程有限公司 Sea water desalination main evaporator adopting ferrite stainless steel tube
CN202267263U (en) * 2011-10-08 2012-06-06 合肥美的荣事达电冰箱有限公司 Refrigerator and refrigerating system of same
CN102853595A (en) * 2012-10-12 2013-01-02 天津商业大学 Refrigeration system
CN102853583A (en) * 2012-10-12 2013-01-02 天津商业大学 Heat pump system
CN103075831B (en) * 2013-01-21 2015-03-25 深圳市庄合地能产业科技有限公司 Novel air-cooled evaporation type composite refrigeration house refrigerating system

Also Published As

Publication number Publication date
CN103075831A (en) 2013-05-01
WO2014111018A1 (en) 2014-07-24

Similar Documents

Publication Publication Date Title
CN103075831B (en) Novel air-cooled evaporation type composite refrigeration house refrigerating system
CN103808102A (en) Heat-driven defrosting device using natural circulation and defrosting method using same
CN105004089A (en) Cascaded unit used for both medium-high temperature cold storage house and low temperature cold storage house
CN104807275A (en) Ice storage clammy refrigeration system
CN212179341U (en) Water circulation type cooling system
CN106440137A (en) Energy saving air conditioner system and refrigeration method
CN202630556U (en) Fridge with function of quick cooling
CN216204594U (en) Frostless freezing and refrigerating system
CN202371926U (en) Environment cold source refrigerating system
CN204268750U (en) A kind of net for air-source heat pump units utilizing waste heat energy storage to defrost
CN204478579U (en) Air-cooled cold and hot water air conditioning system
CN203454320U (en) Refrigerating/heating system
CN203704490U (en) Environment-friendly commercial refrigeration system
CN209623137U (en) A kind of refrigeration system directly made ice for multiple groups large size
CN202835998U (en) Double-circulation energy-saving refrigerator
CN204678741U (en) A kind of absorption refrigerating equipment based on heat pump
CN212132593U (en) Cold and hot dual-purpose integral type heat pump cooling and heating machine
CN203478789U (en) Refrigerator unit and ice storage tank joint refrigerating system
CN102506481A (en) Air conditioner and refrigerator combined device
CN207936538U (en) A kind of kitchen refrigerating and heat-supplying system
CN202511521U (en) Refrigerator
CN205957531U (en) Refrigerating system of supplementary water -cooling unit in area
CN217357670U (en) Energy-efficient food freezer fan defrosting system
CN204593927U (en) Dual-cooling type refrigeration unit
CN105823250B (en) Ice source refrigeration system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150325

Termination date: 20190121