CN103075831A - Novel air-cooled evaporation type composite refrigeration house refrigerating system - Google Patents

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

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Publication number
CN103075831A
CN103075831A CN2013100254427A CN201310025442A CN103075831A CN 103075831 A CN103075831 A CN 103075831A CN 2013100254427 A CN2013100254427 A CN 2013100254427A CN 201310025442 A CN201310025442 A CN 201310025442A CN 103075831 A CN103075831 A CN 103075831A
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China
Prior art keywords
condenser
air
cooled
compressor
liquid separator
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Application number
CN2013100254427A
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Chinese (zh)
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CN103075831B (en
Inventor
巢民强
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Shenzhen J&h Intelligent Energy Technology Co ltd
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Shenzhen J&h Intelligent Energy Technology Co ltd
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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
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Publication of CN103075831B publication Critical patent/CN103075831B/en
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    • 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

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  • 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

The compound cold storage refrigerating system of a kind of novel air-cooled vaporation-type
Technical field
The invention belongs to the freezing and refrigeration field, relate in particular to the compound cold storage refrigerating system field of a kind of novel air-cooled vaporation-type, more particularly, with air cooled condenser and evaporative condenser is compound is connected in parallel, be series in the whole refrigeration storage system, can select flexibly air cooled condenser or evaporative condenser to be used for the refrigeration storage system of cooling system refrigeration according to ambient temperature.
Background technology
According to ASSOCIATE STATISTICS, about 700,000,000 tons of all kinds of fresh product gross annual output amounts of China, the annual production of frozen food is more than 2,500 ten thousand tons, and the gross output value is more than 52,000,000,000 yuan.At present, the commercial freezer area of China has more than 700 ten thousand square metres, about 30,000 of thermal car, 6900 of refrigerated railway cars, 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, and Future Ten is in year, the refrigerator car of China will increase more than 28% every year, and freezer increases more than 30% every year.
From present situation and the development trend of freezer, its scale is with increasing, and is more and more closer with the raising relation of people's quality of life.Wherein, the refrigeration storage system promotion efficiency take freon as cold-producing medium strengthens, and air-cooler replaces comb to become development trend, and is 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 the compound cold storage refrigerating system of a kind of novel air-cooled vaporation-type, it is low to be intended to solve the refrigeration storage system condenser efficiency, radiating effect is poor, can not be according to environment temperature and the effective optimum Match of refrigeration storage system, the large problem that consumes energy, the present invention can Effective Raise 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
The compound cold storage refrigerating system of a kind of novel air-cooled vaporation-type, its compressor 1 usefulness pipeline successively with oil-liquid separator 2, solenoid operated four-way valve 3, air cooled condenser 4, the 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 is connected in parallel with evaporative condenser 5, described evaporative condenser 5 and the first check valve 6 are connected in series, described pressure controller 14 is connected with blast pipe with compressor 1 air intake duct respectively, described liquid injection valve 15 respectively with air cooled condenser 4, evaporative condenser 5 fluid house stewards and compressor 1 air intake duct connect, the temperature-sensitive bag is connected with blast pipe, the 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.
Adopt technique scheme, the present invention places same system with air cooled condenser and evaporative condenser, air cooled condenser and evaporative condenser are compound to be connected in parallel, can cool off according to the suitable condenser of ambient temperature flexible choice, when need a large amount of refrigeration summer, can open refrigerant temperature in the evaporative condenser reduction system, when transition season freezes, refrigerant temperature in the air cooled condenser reduction system be can open, simultaneously, also can air cooled condenser or evaporative condenser be automatically selected to open according to the refrigeration storage system actual needs, to reach the optimum operation coupling of whole refrigeration system, during above-mentioned refrigerating operaton, can reach the optimum state that whole system is utilized, farthest improve Energy Efficiency Ratio, reduce energy consumption, saves energy, reduce cost and systematic running cost usefulness, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the systematic schematic diagram that the embodiment of the invention provides.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
Please refer to Fig. 1, its compressor 1 usefulness pipeline successively with oil-liquid separator 2, solenoid operated four-way valve 3, air cooled condenser 4, the 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 is connected in parallel with evaporative condenser 5, described evaporative condenser 5 and the first check valve 6 are connected in series, described pressure controller 14 is connected with blast pipe with compressor 1 air intake duct respectively, described liquid injection valve 15 respectively with air cooled condenser 4, evaporative condenser 5 fluid house stewards and compressor 1 air intake duct connect, the temperature-sensitive bag is connected with blast pipe, the 3rd check valve 16 and solenoid operated four-way valve 3, gas-liquid separator 13 is connected in series, and forms one and can make the therein refrigeration storage system of cycle operation of cold-producing medium.
See also Fig. 1, described air cooled condenser 4 adopts finned heat exchanger.Described air cooled condenser 4 is connected to cooling refrigeration agent temperature in the system by pipeline, carries out exchange heat with air.
See also Fig. 1, described evaporative condenser 5 adopts evaporating heat exchanger.Described evaporative condenser 5 is connected to cooling refrigeration agent temperature in the system by pipeline, carries out exchange heat with water and air.
See also Fig. 1, described indoor evaporator 12 adopts finned heat exchanger.Described indoor evaporator 12 is connected to by pipeline and absorbs the room air heat in the system, and cold-producing medium and air carry out exchange heat.
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: see also Fig. 1, when need a large amount of refrigeration summer, system adopts evaporative condenser heat radiation refrigeration, its main working process is as follows: behind system's plugged, compressor 1 compressed refrigerant enters into oil-liquid separator 2, after the fluid separation, cold-producing medium enters into evaporative condenser 5 after by solenoid operated four-way valve 3 and carries out heat exchange with water and air, refrigerant temperature reduces, after the condensation of refrigerant by entering into reservoir 8 liquid storages behind the first check valve 6, cold-producing medium out passes through liquid-sighting glass 9 successively from reservoir 8, enter into heating power expansion valve 11 throttlings behind the device for drying and filtering 10, after the throttling, cold-producing medium enters evaporation endothermic in the indoor evaporator 12, indoor temperature reduces, and the cold-producing medium endothermic temperature rises, and cold-producing medium enters into gas-liquid separator 13 by indoor evaporator 12 and 13 tube connectors of gas-liquid separator, get back in the compressor 1 by gas-liquid separator 13 rear cold-producing mediums, system enters into next circulation.
In the described operating mode one, air cooled condenser 4 cuts out, evaporative condenser 5 is opened.
Operating mode two: see also Fig. 1, when transition season need freeze, system adopts air cooled condenser heat radiation refrigeration, its main working process is as follows: behind system's plugged, compressor 1 compressed refrigerant enters into oil-liquid separator 2, after the fluid separation, solenoid operated four-way valve 3 energising commutations, cold-producing medium enters into air cooled condenser 4 after by solenoid operated four-way valve 3 and carries out heat exchange with air, refrigerant temperature reduces, after the condensation of refrigerant by entering into reservoir 8 liquid storages behind the second check valve 7, cold-producing medium out passes through liquid-sighting glass 9 successively from reservoir 8, enter into heating power expansion valve 11 throttlings behind the device for drying and filtering 10, after the throttling, cold-producing medium enters evaporation endothermic in the indoor evaporator 12, and indoor temperature reduces, the cold-producing medium endothermic temperature rises, cold-producing medium enters into gas-liquid separator 13 by indoor evaporator 12 and 13 tube connectors of gas-liquid separator, gets back in the compressor 1 by gas-liquid separator 13 rear cold-producing mediums, and system enters into next circulation.
In the described operating mode two, air cooled condenser 4 is opened, evaporative condenser 5 cuts out.
In above-mentioned operating mode one and the operating mode two, its pressure controller 14 is connected with blast pipe with compressor 1 air intake duct respectively, its liquid injection valve 15 is connected with air cooled condenser 4, evaporative condenser 5 fluid house stewards and compressor 1 air intake duct respectively, the temperature-sensitive bag is connected with blast pipe, and its 3rd check valve 16 is connected in series with solenoid operated four-way valve 3, gas-liquid separator 13.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. cold storage refrigerating system that novel air-cooled vaporation-type is compound, it is characterized in that: compressor (1) with pipeline successively with oil-liquid separator (2), solenoid operated four-way valve (3), air cooled condenser (4), the 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) is connected in parallel with evaporative condenser (5), described evaporative condenser (5) is connected in series with the first check valve (6), described pressure controller (14) is connected with blast pipe with compressor (1) air intake duct respectively, described liquid injection valve (15) respectively with air cooled condenser (4), evaporative condenser (5) fluid house steward and compressor (1) air intake duct connect, the temperature-sensitive bag is connected with compressor (1) blast pipe, the 3rd check valve (16) and solenoid operated four-way valve (3), gas-liquid separator (13) is connected in series.
2. the compound cold storage refrigerating system of a kind of novel air-cooled vaporation-type as claimed in claim 1 is characterized in that: described air cooled condenser employing finned heat exchanger.
3. the compound cold storage refrigerating system of a kind of novel air-cooled vaporation-type as claimed in claim 1 is characterized in that: described evaporative condenser employing evaporating heat exchanger.
4. the compound cold storage refrigerating system of a kind of novel air-cooled vaporation-type as claimed in claim 1 is characterized in that: described indoor evaporator employing finned heat exchanger, capillary.
5. evaporating heat exchanger as claimed in claim 3 is characterized in that: described evaporating heat exchanger employing copper pipe, stainless steel replace tubes, 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)

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PCT/CN2014/070675 WO2014111018A1 (en) 2013-01-21 2014-01-15 Novel air-cooled evaporation type composite refrigeration system for cold storage

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014111018A1 (en) * 2013-01-21 2014-07-24 深圳市庄合智能产业科技有限公司 Novel air-cooled evaporation type composite refrigeration system for cold storage
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
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
CN106568259A (en) * 2015-10-08 2017-04-19 中海油能源发展股份有限公司 Refrigeration house refrigerating system based on liquefied natural gas cold energy
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
CN115200252A (en) * 2022-07-15 2022-10-18 珠海格力电器股份有限公司 Fluorine pump compression refrigeration system and control method thereof

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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

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Publication number Priority date Publication date Assignee Title
WO2014111018A1 (en) * 2013-01-21 2014-07-24 深圳市庄合智能产业科技有限公司 Novel air-cooled evaporation type composite refrigeration system for cold storage
CN106568259A (en) * 2015-10-08 2017-04-19 中海油能源发展股份有限公司 Refrigeration house refrigerating system based on liquefied natural gas cold energy
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
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
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
CN115200252A (en) * 2022-07-15 2022-10-18 珠海格力电器股份有限公司 Fluorine pump compression refrigeration system and control method thereof
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

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CN103075831B (en) 2015-03-25

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