WO2014111018A1 - Novel air-cooled evaporation type composite refrigeration system for cold storage - Google Patents
Novel air-cooled evaporation type composite refrigeration system for cold storage Download PDFInfo
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- WO2014111018A1 WO2014111018A1 PCT/CN2014/070675 CN2014070675W WO2014111018A1 WO 2014111018 A1 WO2014111018 A1 WO 2014111018A1 CN 2014070675 W CN2014070675 W CN 2014070675W WO 2014111018 A1 WO2014111018 A1 WO 2014111018A1
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- air
- evaporative
- condenser
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- compressor
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Classifications
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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
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- 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
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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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/041—Details of condensers of evaporative condensers
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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
- 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
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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
- 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
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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
- 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
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2519—On-off valves
Definitions
- the present invention belongs to the field of refrigeration and refrigeration, and particularly relates to the field of a novel air-cooled evaporative composite cold storage refrigeration system, and more particularly, an air-cooled condenser and an evaporative condenser are connected in parallel and connected in series.
- an air-cooled condenser or an evaporative condenser can be flexibly selected according to the ambient temperature to cool the refrigeration system of the system.
- the annual total output of various fresh products in China is about 700 million tons, and the annual output of frozen food is over 25 million tons, with a total output value of more than 52 billion yuan.
- China's commercial cold storage area is more than 7 million square meters, about 30,000 insulated cars, and 6,900 railway refrigerated trucks.
- people have cold drinks, meat products, fruits and vegetables, flowers, medicine, Demand for electronic products is growing.
- China's refrigerated trucks will grow by more than 28% annually, and refrigerators will grow by more than 30% annually.
- the object of the present invention is to provide a novel air-cooled evaporative composite cold storage refrigeration system, which aims to solve the low efficiency of the condenser of the cold storage system, has poor heat dissipation effect, and can not effectively match the cold storage system according to the ambient temperature, and consume energy.
- the invention can effectively improve the refrigeration coefficient of the cold storage system, reduce energy consumption, high efficiency and safety, environmental protection and energy saving.
- the present invention is achieved in this way.
- a novel air-cooled evaporative composite cold storage refrigeration system the compressor 1 is sequentially pipelined with oil Liquid separator 2, electromagnetic four-way valve 3, air-cooled condenser 4, second check valve 7, accumulator 8, sight glass 9, filter 10, thermal expansion valve 11, indoor evaporator 12, gas
- the liquid separators 1 3 are connected in series, the air-cooled condenser 4 is connected in parallel with the evaporative condenser 5, the evaporative condenser 5 is connected in series with the first check valve 6, and the pressure controller 14 is respectively connected with
- the suction pipe of the compressor 1 is connected to the exhaust pipe, and the liquid discharge valve 15 is respectively connected with the air-cooled condenser 4, the outlet manifold of the evaporative condenser 5, and the suction pipe of the compressor 1, and the temperature sensing package and the exhaust pipe are respectively
- the pipe is connected, and the third check valve 16 is connected in series with the electromagnetic four-way valve 3 and the gas-liquid separator 13.
- the air-cooled condenser 4 described above employs a finned heat exchanger.
- the above evaporative condenser 5 employs an evaporative heat exchanger.
- the indoor evaporator 12 described above employs a finned heat exchanger and a capillary tube.
- the air cooling condenser and the evaporative condenser are placed in the same system, and the air-cooled condenser and the evaporative condenser are connected in parallel, and the flexible selection can be appropriately adapted according to the ambient temperature.
- the condenser is cooled.
- the evaporative condenser can be turned on to reduce the temperature of the refrigerant in the system.
- the air-cooled condenser can be turned on to reduce the temperature of the refrigerant in the system.
- the cold storage system actually needs to automatically select to open the air-cooled condenser or the evaporative condenser to achieve the optimal operation matching of the entire refrigeration system.
- the optimal state of the whole system can be achieved, and the energy efficiency ratio can be maximized. , reduce energy consumption, save energy, reduce investment and system operating costs, energy saving and environmental protection.
- FIG. 1 is a schematic diagram of a system provided by an embodiment of the present invention.
- the compressor 1 is sequentially connected to the oil separator 2, the electromagnetic four-way valve 3, the air-cooled condenser 4, the second check valve 7, the accumulator 8, and the sight glass.
- the filter 10, the thermal expansion valve 11, the indoor evaporator 12, and the gas-liquid separator 13 are connected in series, and the air-cooled condenser 4 is connected in parallel with the evaporative condenser 5, and the evaporative condenser 5 is
- the first check valves 6 are connected in series, and the pressure controller 14 is respectively connected to the suction pipe and the exhaust pipe of the compressor 1, and the liquid discharge valve 15 is respectively connected with the air-cooled condenser 4 and the evaporative condenser 5
- the liquid manifold and the compressor 1 are connected by a suction pipe, and the temperature sensing package is connected with the exhaust pipe, and the third check valve 16 is connected in series with the electromagnetic four-way valve 3 and the gas-liquid separator 13 to form a refrigerant therein.
- the air-cooled condenser 4 uses a finned heat exchanger.
- the air-cooled condenser 4 is cooled in the system by a pipe connection to cool the refrigerant temperature and exchange heat with the air.
- the evaporative condenser 5 employs an evaporative heat exchanger.
- the evaporative condenser 5 is connected to the system to cool the temperature of the refrigerant through a pipe, and exchange heat with water and air.
- the indoor evaporator 12 uses a finned heat exchanger.
- the indoor evaporator 12 is connected to the system to absorb heat of the indoor air through a pipe, and the refrigerant exchanges heat with the air.
- This embodiment has the following two operating conditions.
- the air-cooled condenser 4 is a finned heat exchanger
- the evaporative condenser 5 is an evaporative heat exchanger
- the indoor evaporator 12 is a finned heat exchanger.
- Working condition 1 Please refer to Figure 1.
- the system uses evaporative condenser to cool and cool the air.
- the main working process is as follows: After the system is powered on, the compressor 1 compresses the refrigerant into the oil.
- the separator 2 After the oil is separated, the refrigerant passes through the electromagnetic four-way valve 3 and then enters the evaporative condenser 5 to exchange heat with water and air, the temperature of the refrigerant decreases, and the refrigerant condenses and passes through the first one-way.
- the valve 6 the liquid enters into the liquid storage device 8, and the refrigerant passes through the liquid crystal mirror 9 in order from the liquid storage device 8.
- the filter 10 After the filter 10 is dried, it enters the thermal expansion valve 11 to throttle. After the throttling, the refrigerant enters the indoor evaporator 12 to evaporate and absorb heat, the indoor temperature decreases, the refrigerant absorption temperature rises, and the refrigerant passes through the indoor evaporator 12 and The gas-liquid separator 1 is connected to the gas-liquid separator 1 3, and after the gas-liquid separator 13 is passed, the refrigerant returns to the compressor 1, and the system proceeds to the next cycle.
- the air-cooled condenser 4 is turned off, and the evaporative condenser 5 is turned on.
- Working condition 2 Please refer to Figure 1.
- the system adopts air-cooled condenser for cooling and cooling.
- the main working process is as follows: After the system is powered on, the compressor 1 compresses the refrigerant into the oil.
- the liquid separator 2 After the oil is separated, the electromagnetic four-way valve 3 is energized and commutated, and the refrigerant passes through the electromagnetic four-way valve 3 and then enters the air-cooled condenser 4 to exchange heat with the air, and the temperature of the refrigerant is lowered. After the refrigerant condenses, it passes through the second check valve 7 and then enters the liquid storage in the liquid storage device 8.
- the refrigerant passes through the liquid sighting device 9 and the drying filter 10, and then enters the thermal expansion valve 1 1 .
- the refrigerant enters the indoor evaporator 12 to evaporate and absorb heat, the indoor temperature decreases, the refrigerant absorption temperature rises, and the refrigerant enters through the connecting pipe between the indoor evaporator 12 and the gas-liquid separator 13 In the gas-liquid separator 1 3, after the gas-liquid separator 13 passes, the refrigerant returns to the compressor 1, and the system proceeds to the next cycle.
- the air-cooled condenser 4 is turned on, and the evaporative condenser 5 is turned off.
- the pressure controller 14 is respectively connected to the suction pipe and the exhaust pipe of the compressor 1, and the liquid discharge valve 15 is respectively connected with the air-cooled condenser 4 and the evaporative condenser.
- the outlet manifold and the compressor 1 are connected by an intake pipe, and the temperature sensing package is connected to the exhaust pipe, and the third check valve 16 is connected in series with the electromagnetic four-way valve 3 and the gas-liquid separator 13.
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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
An air-cooled evaporation type composite refrigeration system for a cold storage. A compressor (1), an oil-liquid separator (2), an electromagnetic four-way valve (3), an air-cooled condenser (4), a second check valve (7), a liquid accumulator (8), a sight glass (9), a filter (10), a thermostatic expansion valve (11), an indoor evaporator (12) and a vapor-liquid separator (13) are connected in series through pipes. The air-cooled condenser (4) is connected to an evaporation condenser (5) in parallel, and the evaporation condenser (5) is connected to a first check valve (6) in series. A pressure controller (14) is connected to the suction pipe and the discharge pipe of the compressor (1) respectively, and a liquid spray valve (15) is connected to the liquid outlet manifolds of the air-cooled condenser (4) and the evaporation condenser (5), and the suction pipe of the compressor (1) respectively. A temperature sensing package is connected to the discharge pipe of the compressor (1). A third check valve (16), the electromagnetic four-way valve (3) and the vapor-liquid separator (13) are connected in series.
Description
一种新型风冷蒸发式复合的冷库制冷系统 技术领域 Novel air-cooled evaporative composite cold storage refrigeration system
[0001] 本发明属于冷冻冷藏领域, 尤其涉及一种新型风冷蒸发式复合的冷库制 冷系统领域, 更具体地说, 是将风冷式冷凝器与蒸发式冷凝器复合并联连接, 串联于整个冷库系统中, 可根据外界环境温度灵活选用风冷式冷凝器或蒸发式 冷凝器用于冷却系统制冷的冷库系统。 [0001] The present invention belongs to the field of refrigeration and refrigeration, and particularly relates to the field of a novel air-cooled evaporative composite cold storage refrigeration system, and more particularly, an air-cooled condenser and an evaporative condenser are connected in parallel and connected in series. In the cold storage system, an air-cooled condenser or an evaporative condenser can be flexibly selected according to the ambient temperature to cool the refrigeration system of the system.
[0002] 背景技术 BACKGROUND OF THE INVENTION
[0003] 据相关统计, 我国各类生鲜产品年总产量约 7亿吨, 冷冻食品的年产量 在 2500万吨以上, 总产值 520亿元以上。 目前, 我国的商用冷藏库面积有 700 多万平方米,保温车约 3万辆,铁路冷藏车 6900辆,随着我国经济的快速发展, 人们对冷饮、 肉制品、 蔬菜水果、 鲜花、 医药、 电子产品等需求日益增长, 未 来十年内, 我国的冷藏车年均将增长 28%以上, 冷藏库年均增长 30%以上。 [0003] According to relevant statistics, the annual total output of various fresh products in China is about 700 million tons, and the annual output of frozen food is over 25 million tons, with a total output value of more than 52 billion yuan. At present, China's commercial cold storage area is more than 7 million square meters, about 30,000 insulated cars, and 6,900 railway refrigerated trucks. With the rapid development of China's economy, people have cold drinks, meat products, fruits and vegetables, flowers, medicine, Demand for electronic products is growing. In the next ten years, China's refrigerated trucks will grow by more than 28% annually, and refrigerators will grow by more than 30% annually.
[0004] 从冷库的现状和发展趋势来看, 其规模将越来越大, 与人们生活质量的 提高关系越来越密切。其中,以氟利昂为制冷剂的冷库系统推广力度正在加大, 冷风机代替排管成为发展趋势, 操作方便, 灵活多样, 高效安全、 降低能耗、 环保节能成为新型冷库系统发展方向。 [0004] From the current situation and development trend of cold storage, its scale will become larger and larger, and it will become more and more closely related to the improvement of people's quality of life. Among them, the promotion of cold storage system with Freon as refrigerant is increasing. The replacement of the exhaust pipe by the cooling fan has become a development trend. It is easy to operate, flexible and diverse, efficient and safe, reducing energy consumption, and environmental protection and energy conservation have become the development direction of the new cold storage system.
[0005]发明内容 SUMMARY OF THE INVENTION
[0006] 本发明的目的在于提供一种新型风冷蒸发式复合的冷库制冷系统, 旨在 解决冷库系统冷凝器效率低下, 散热效果差, 不能根据环境温度与冷库系统有 效最佳匹配,耗能大的问题, 本发明能有效提高冷库系统制冷系数, 降低能耗, 高效安全, 环保节能。 [0006] The object of the present invention is to provide a novel air-cooled evaporative composite cold storage refrigeration system, which aims to solve the low efficiency of the condenser of the cold storage system, has poor heat dissipation effect, and can not effectively match the cold storage system according to the ambient temperature, and consume energy. The big problem, the invention can effectively improve the refrigeration coefficient of the cold storage system, reduce energy consumption, high efficiency and safety, environmental protection and energy saving.
[0007] 本发明是这样实现的。 The present invention is achieved in this way.
[0008] 一种新型风冷蒸发式复合的冷库制冷系统, 其压缩机 1用管道依次与油
液分离器 2、 电磁四通阀 3、 风冷式冷凝器 4、 第二单向阀 7、 储液器 8、 视液镜 9、 过滤器 10、 热力膨胀阀 11、 室内蒸发器 12、 气液分离器 1 3串联连接, 所述 风冷式冷凝器 4与蒸发式冷凝器 5并联连接, 所述蒸发式冷凝器 5与第一单向 阀 6串联连接, 所述压力控制器 14分别与压缩机 1吸气管和排气管连接, 所述 喷液阀 15分别与风冷式冷凝器 4、 蒸发式冷凝器 5出液总管及压缩机 1吸气管 连接, 感温包与排气管连接, 第三单向阀 16与电磁四通阀 3、 气液分离器 1 3串 联连接。 [0008] A novel air-cooled evaporative composite cold storage refrigeration system, the compressor 1 is sequentially pipelined with oil Liquid separator 2, electromagnetic four-way valve 3, air-cooled condenser 4, second check valve 7, accumulator 8, sight glass 9, filter 10, thermal expansion valve 11, indoor evaporator 12, gas The liquid separators 1 3 are connected in series, the air-cooled condenser 4 is connected in parallel with the evaporative condenser 5, the evaporative condenser 5 is connected in series with the first check valve 6, and the pressure controller 14 is respectively connected with The suction pipe of the compressor 1 is connected to the exhaust pipe, and the liquid discharge valve 15 is respectively connected with the air-cooled condenser 4, the outlet manifold of the evaporative condenser 5, and the suction pipe of the compressor 1, and the temperature sensing package and the exhaust pipe are respectively The pipe is connected, and the third check valve 16 is connected in series with the electromagnetic four-way valve 3 and the gas-liquid separator 13.
[0009] 上述风冷式冷凝器 4采用翅片式换热器。 [0009] The air-cooled condenser 4 described above employs a finned heat exchanger.
[ 0010] 上述蒸发式冷凝器 5采用蒸发式换热器。 [0010] The above evaporative condenser 5 employs an evaporative heat exchanger.
[ 0011] 上述室内蒸发器 12采用翅片式换热器、 毛细管。 [0011] The indoor evaporator 12 described above employs a finned heat exchanger and a capillary tube.
[ 0012] 采用上述技术方案,本发明将风冷式冷凝器和蒸发式冷凝器置于同一系 统中, 风冷式冷凝器和蒸发式冷凝器复合并联连接, 可根据外界环境温度灵活 选择合适的冷凝器进行冷却, 在夏季需大量制冷时, 可开启蒸发式冷凝器降低 系统中制冷剂温度, 在过渡季节制冷时, 可开启风冷式冷凝器降低系统中制冷 剂温度, 同时, 还可根据冷库系统实际需要自动选择开启风冷式冷凝器或蒸发 式冷凝器, 以达到整个制冷系统的最佳运行匹配, 上述制冷运行时, 可达到整 个系统利用的最佳状态, 最大程度的提高能效比, 降低能耗, 节约电能, 减少 投资及系统运行费用, 节能环保。 [0012] According to the above technical solution, the air cooling condenser and the evaporative condenser are placed in the same system, and the air-cooled condenser and the evaporative condenser are connected in parallel, and the flexible selection can be appropriately adapted according to the ambient temperature. The condenser is cooled. When a large amount of cooling is required in summer, the evaporative condenser can be turned on to reduce the temperature of the refrigerant in the system. When cooling in the transitional season, the air-cooled condenser can be turned on to reduce the temperature of the refrigerant in the system. The cold storage system actually needs to automatically select to open the air-cooled condenser or the evaporative condenser to achieve the optimal operation matching of the entire refrigeration system. When the above cooling operation is performed, the optimal state of the whole system can be achieved, and the energy efficiency ratio can be maximized. , reduce energy consumption, save energy, reduce investment and system operating costs, energy saving and environmental protection.
[ 0013] 附图说明 BRIEF DESCRIPTION OF THE DRAWINGS
[ 0014] 图 1是本发明实施例提供的系统原理图。 1 is a schematic diagram of a system provided by an embodiment of the present invention.
[ 0015] 具体实施方式 DETAILED DESCRIPTION
[ 0016] 为了使本发明的目的、 技术方案及优点更加清楚明白, 以下结合附图及 实施例, 对本发明进行进一步详细说明。 应当理解, 此处所描述的具体实施例
仅仅用以解释本发明, 并不用于限定本发明。 The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein It is intended to be merely illustrative of the invention and is not intended to limit the invention.
[ 0017] 请参照图 1 , 其压缩机 1用管道依次与油液分离器 2、 电磁四通阀 3、 风 冷式冷凝器 4、第二单向阀 7、储液器 8、视液镜 9、过滤器 10、热力膨胀阀 11、 室内蒸发器 12、 气液分离器 1 3串联连接, 所述风冷式冷凝器 4与蒸发式冷凝器 5并联连接, 所述蒸发式冷凝器 5与第一单向阀 6 串联连接, 所述压力控制器 14分别与压缩机 1吸气管和排气管连接,所述喷液阀 15分别与风冷式冷凝器 4、 蒸发式冷凝器 5 出液总管及压缩机 1吸气管连接, 感温包与排气管连接, 第三 单向阀 16与电磁四通阀 3、 气液分离器 1 3串联连接, 形成一个可使制冷剂在其 中循环运转的冷库系统。 [0017] Referring to FIG. 1, the compressor 1 is sequentially connected to the oil separator 2, the electromagnetic four-way valve 3, the air-cooled condenser 4, the second check valve 7, the accumulator 8, and the sight glass. 9. The filter 10, the thermal expansion valve 11, the indoor evaporator 12, and the gas-liquid separator 13 are connected in series, and the air-cooled condenser 4 is connected in parallel with the evaporative condenser 5, and the evaporative condenser 5 is The first check valves 6 are connected in series, and the pressure controller 14 is respectively connected to the suction pipe and the exhaust pipe of the compressor 1, and the liquid discharge valve 15 is respectively connected with the air-cooled condenser 4 and the evaporative condenser 5 The liquid manifold and the compressor 1 are connected by a suction pipe, and the temperature sensing package is connected with the exhaust pipe, and the third check valve 16 is connected in series with the electromagnetic four-way valve 3 and the gas-liquid separator 13 to form a refrigerant therein. Recirculating cold storage system.
[ 0018] 请参阅图 1 , 所述风冷式冷凝器 4采用翅片式换热器。 所述风冷式冷凝 器 4通过管道连接在系统中冷却制冷剂温度, 与空气进行热量交换。 [0018] Referring to FIG. 1, the air-cooled condenser 4 uses a finned heat exchanger. The air-cooled condenser 4 is cooled in the system by a pipe connection to cool the refrigerant temperature and exchange heat with the air.
[ 0019] 请参阅图 1 , 所述蒸发式冷凝器 5采用蒸发式换热器。 所述蒸发式冷凝 器 5通过管道连接在系统中冷却制冷剂温度, 与水和空气进行热量交换。 Referring to FIG. 1, the evaporative condenser 5 employs an evaporative heat exchanger. The evaporative condenser 5 is connected to the system to cool the temperature of the refrigerant through a pipe, and exchange heat with water and air.
[ 0020] 请参阅图 1 , 所述室内蒸发器 12 采用翅片式换热器。 所述室内蒸发器 12通过管道连接在系统中吸收室内空气热量, 制冷剂与空气进行热量交换。 [0020] Referring to FIG. 1, the indoor evaporator 12 uses a finned heat exchanger. The indoor evaporator 12 is connected to the system to absorb heat of the indoor air through a pipe, and the refrigerant exchanges heat with the air.
[ 0021] 本实施例具有以下两种工况, 在这两种工作状态中, 所述风冷式冷凝器 4为翅片式换热器, 所述蒸发式冷凝器 5为蒸发式换热器, 所述室内蒸发器 12 为翅片式换热器。 [0021] This embodiment has the following two operating conditions. In the two working states, the air-cooled condenser 4 is a finned heat exchanger, and the evaporative condenser 5 is an evaporative heat exchanger. The indoor evaporator 12 is a finned heat exchanger.
[ 0022] 工况一: 请参阅图 1 , 在夏季需大量制冷时, 系统采用蒸发式冷凝器散 热制冷, 其主要工作过程如下: 系统接通电源后, 压缩机 1 压缩制冷剂进入到 油液分离器 2 中, 经过油液分离后, 制冷剂通过电磁四通阀 3后进入到蒸发式 冷凝器 5 中与水和空气进行热交换, 制冷剂温度降低, 制冷剂冷凝后通过第一 单向阀 6后进入到储液器 8中储液, 制冷剂从储液器 8出来依次通过视液镜 9、
干燥过滤器 10后进入到热力膨胀阀 11 中节流, 节流后, 制冷剂进入室内蒸发 器 12中蒸发吸热, 室内温度降低, 制冷剂吸热温度上升, 制冷剂通过室内蒸发 器 12与气液分离器 1 3间连接管进入到气液分离器 1 3 中, 通过气液分离器 1 3 后制冷剂回到压缩机 1中, 系统进入到下一个循环。 [0022] Working condition 1: Please refer to Figure 1. When a large amount of cooling is needed in summer, the system uses evaporative condenser to cool and cool the air. The main working process is as follows: After the system is powered on, the compressor 1 compresses the refrigerant into the oil. In the separator 2, after the oil is separated, the refrigerant passes through the electromagnetic four-way valve 3 and then enters the evaporative condenser 5 to exchange heat with water and air, the temperature of the refrigerant decreases, and the refrigerant condenses and passes through the first one-way. After the valve 6, the liquid enters into the liquid storage device 8, and the refrigerant passes through the liquid crystal mirror 9 in order from the liquid storage device 8. After the filter 10 is dried, it enters the thermal expansion valve 11 to throttle. After the throttling, the refrigerant enters the indoor evaporator 12 to evaporate and absorb heat, the indoor temperature decreases, the refrigerant absorption temperature rises, and the refrigerant passes through the indoor evaporator 12 and The gas-liquid separator 1 is connected to the gas-liquid separator 1 3, and after the gas-liquid separator 13 is passed, the refrigerant returns to the compressor 1, and the system proceeds to the next cycle.
[ 0023] 所述工况一中, 风冷式冷凝器 4关闭、 蒸发式冷凝器 5开启。 [0023] In the first condition, the air-cooled condenser 4 is turned off, and the evaporative condenser 5 is turned on.
[ 0024] 工况二: 请参阅图 1 , 在过渡季节需制冷时, 系统采用风冷式冷凝器散 热制冷, 其主要工作过程如下: 系统接通电源后, 压缩机 1 压缩制冷剂进入到 油液分离器 2 中, 经过油液分离后, 电磁四通阀 3通电换向, 制冷剂通过电磁 四通阀 3后进入到风冷式冷凝器 4 中与空气进行热交换, 制冷剂温度降低, 制 冷剂冷凝后通过第二单向阀 7后进入到储液器 8 中储液, 制冷剂从储液器 8 出 来依次通过视液镜 9、 干燥过滤器 1 0后进入到热力膨胀阀 1 1中节流, 节流后, 制冷剂进入室内蒸发器 12 中蒸发吸热, 室内温度降低, 制冷剂吸热温度上升, 制冷剂通过室内蒸发器 12与气液分离器 1 3间连接管进入到气液分离器 1 3中, 通过气液分离器 1 3后制冷剂回到压缩机 1中, 系统进入到下一个循环。 [0024] Working condition 2: Please refer to Figure 1. When cooling is needed during the transitional season, the system adopts air-cooled condenser for cooling and cooling. The main working process is as follows: After the system is powered on, the compressor 1 compresses the refrigerant into the oil. In the liquid separator 2, after the oil is separated, the electromagnetic four-way valve 3 is energized and commutated, and the refrigerant passes through the electromagnetic four-way valve 3 and then enters the air-cooled condenser 4 to exchange heat with the air, and the temperature of the refrigerant is lowered. After the refrigerant condenses, it passes through the second check valve 7 and then enters the liquid storage in the liquid storage device 8. The refrigerant passes through the liquid sighting device 9 and the drying filter 10, and then enters the thermal expansion valve 1 1 . During the throttling, after the throttling, the refrigerant enters the indoor evaporator 12 to evaporate and absorb heat, the indoor temperature decreases, the refrigerant absorption temperature rises, and the refrigerant enters through the connecting pipe between the indoor evaporator 12 and the gas-liquid separator 13 In the gas-liquid separator 1 3, after the gas-liquid separator 13 passes, the refrigerant returns to the compressor 1, and the system proceeds to the next cycle.
[ 0025] 所述工况二中, 风冷式冷凝器 4开启、 蒸发式冷凝器 5关闭。 [0025] In the second working condition, the air-cooled condenser 4 is turned on, and the evaporative condenser 5 is turned off.
[ 0026] 上述工况一和工况二中, 其压力控制器 14分别与压缩机 1吸气管和排 气管连接, 其喷液阀 15分别与风冷式冷凝器 4、 蒸发式冷凝器 5出液总管及压 缩机 1吸气管连接, 感温包与排气管连接, 其第三单向阀 16与电磁四通阀 3、 气液分离器 1 3串联连接。 [0026] In the above working conditions 1 and 2, the pressure controller 14 is respectively connected to the suction pipe and the exhaust pipe of the compressor 1, and the liquid discharge valve 15 is respectively connected with the air-cooled condenser 4 and the evaporative condenser. 5 The outlet manifold and the compressor 1 are connected by an intake pipe, and the temperature sensing package is connected to the exhaust pipe, and the third check valve 16 is connected in series with the electromagnetic four-way valve 3 and the gas-liquid separator 13.
[ 0027]以上所述仅为本发明的较佳实施例而已, 并不用以限制本发明, 凡在本 发明的精神和原则之内所作的任何修改、 等同替换和改进等, 均应包含在本发 明的保护范围之内。
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalents, and improvements made within the spirit and scope of the present invention should be included in the present invention. Within the scope of protection of the invention.
Claims
1. 一种新型风冷蒸发式复合的冷库制冷系统, 其特征在于: 压缩机(1 )用管 道依次与油液分离器(2)、 电磁四通阀 (3)、 风冷式冷凝器(4)、 第二单向阀1. A novel air-cooled evaporative composite cold storage refrigeration system, characterized in that: the compressor (1) is sequentially connected with a hydraulic separator (2), an electromagnetic four-way valve (3), and an air-cooled condenser ( 4), the second check valve
(7)、 储液器(8)、 视液镜(9)、 过滤器(10)、 热力膨胀阀 (11)、 室内蒸发 器(12)、 气液分离器(13) 串联连接, 所述风冷式冷凝器(4) 与蒸发式冷凝 器(5)并联连接, 所述蒸发式冷凝器(5)与第一单向阀 (6) 串联连接, 所述 压力控制器( I4 )分别与压缩机( 1 )吸气管和排气管连接, 所述喷液阀 ( 15 ) 分别与风冷式冷凝器(4)、 蒸发式冷凝器(5 ) 出液总管及压缩机(1 )吸气管 连接, 感温包与压缩机(1 )排气管连接, 第三单向阀(16)与电磁四通阀(3)、 气液分离器(13) 串联连接。 (7), the liquid reservoir (8), the sight glass (9), the filter (10), the thermal expansion valve (11), the indoor evaporator (12), and the gas-liquid separator (13) are connected in series, air-cooled condenser (4) and the evaporative condenser (5) connected in parallel, the evaporative condenser (5) and the first check valve (6) connected in series, the pressure controller (the I 4), respectively Connected to the compressor (1) suction pipe and the exhaust pipe, the liquid discharge valve (15) and the air-cooled condenser (4), the evaporative condenser (5), the liquid discharge manifold and the compressor (1) The suction pipe is connected, the temperature sensing package is connected with the compressor (1) exhaust pipe, and the third one-way valve (16) is connected in series with the electromagnetic four-way valve (3) and the gas-liquid separator (13).
2. 如权利要求 1所述的一种新型风冷蒸发式复合的冷库制冷系统,其特征在于: 所述风冷式冷凝器采用翅片式换热器。 2. A novel air-cooled evaporative composite cold storage refrigeration system according to claim 1, wherein: said air-cooled condenser employs a finned heat exchanger.
3. 如权利要求 1所述的一种新型风冷蒸发式复合的冷库制冷系统,其特征在于: 所述蒸发式冷凝器采用蒸发式换热器。 3. A novel air-cooled evaporative composite cold storage refrigeration system according to claim 1, wherein: said evaporative condenser employs an evaporative heat exchanger.
4. 如权利要求 1所述的一种新型风冷蒸发式复合的冷库制冷系统,其特征在于: 所述室内蒸发器采用翅片式换热器、 毛细管。 4. A novel air-cooled evaporative composite cold storage refrigeration system according to claim 1, wherein: said indoor evaporator employs a finned heat exchanger and a capillary tube.
5. 如权利要求 3所述的蒸发式换热器, 其特征在于: 所述蒸发式换热器采用铜 管、 不锈钢换管、 钛管。
The evaporative heat exchanger according to claim 3, wherein the evaporative heat exchanger comprises a copper tube, a stainless steel tube, and a titanium tube.
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