WO2017211033A1 - Refrigeration system - Google Patents

Refrigeration system Download PDF

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Publication number
WO2017211033A1
WO2017211033A1 PCT/CN2016/102535 CN2016102535W WO2017211033A1 WO 2017211033 A1 WO2017211033 A1 WO 2017211033A1 CN 2016102535 W CN2016102535 W CN 2016102535W WO 2017211033 A1 WO2017211033 A1 WO 2017211033A1
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WO
WIPO (PCT)
Prior art keywords
condenser
compressor
heat exchange
exchange tube
water
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PCT/CN2016/102535
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French (fr)
Chinese (zh)
Inventor
曹德云
张建华
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南通四方冷链装备股份有限公司
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Priority to CN201610400077.7A priority Critical patent/CN105865065A/en
Priority to CN201610400077.7 priority
Application filed by 南通四方冷链装备股份有限公司 filed Critical 南通四方冷链装备股份有限公司
Publication of WO2017211033A1 publication Critical patent/WO2017211033A1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

Disclosed is a refrigeration system, comprising: a compressor (1), a condenser (2), an expansion valve (3) and an evaporator (4) being successively connected, wherein the condenser (2) is an evaporative condenser, a heat exchange device (5) is provided below a coil tube at the bottom thereof, a water outlet (6) of the compressor (1) is connected to a water inlet of the heat exchange device (5) via a water outlet pipe (7), a water outlet of the heat exchange device (5) is connected to a water inlet (9) of the compressor (1) via a water inlet pipe (8), and the water inlet pipe (8) is provided with a circulating pump (16). The system is simple in structure, does not require a cooling device, and is environmentally friendly and low in operating cost.

Description

一种制冷系统Refrigeration system 技术领域Technical field
本发明涉及一种制冷系统。The invention relates to a refrigeration system.
背景技术Background technique
制冷系统被广泛应用于各个行业,目前的制冷系统主要包括压缩机、冷凝器、膨胀阀和蒸发器,需要配外置冷却的压缩机需要使用另一个冷却装置对电机进行冷却,如冷却塔、风冷冷凝器等,这种结构不尽增加了能耗,而且运行成本较高,不利于环保。Refrigeration systems are widely used in various industries. Current refrigeration systems mainly include compressors, condensers, expansion valves and evaporators. Compressors that require external cooling require another cooling device to cool the motor, such as a cooling tower. Air-cooled condensers, etc., this structure not only increases energy consumption, but also has high operating costs, which is not conducive to environmental protection.
发明内容Summary of the invention
本发明的目的是为了克服以上的不足,提供一种结构简单,不需要额外冷却装置,节能环保,运行成本低的制冷系统。The object of the present invention is to overcome the above deficiencies and to provide a refrigeration system which has a simple structure, does not require an additional cooling device, is energy-saving and environmentally friendly, and has low operating cost.
本发明的目的通过以下技术方案来实现:一种制冷系统,包括压缩机、冷凝器、膨胀阀和蒸发器,在所述压缩机上连接有冷凝器,所述冷凝器通过膨胀阀与蒸发器相连,所述蒸发器与压缩机相连,所述冷凝器为蒸发式冷凝器,在位于所述冷凝器底部的盘管的下方设有热交换装置,所述压缩机的出水口通过出水管与热交换装置的进水口相连,所述热交换装置的出水口通过进水管与压缩机的进水口相连,在所述进水管设有循环泵。The object of the present invention is achieved by the following technical solution: a refrigeration system comprising a compressor, a condenser, an expansion valve and an evaporator, to which a condenser is connected, the condenser being connected to the evaporator through an expansion valve The evaporator is connected to a compressor, the condenser is an evaporative condenser, and a heat exchange device is disposed below the coil located at the bottom of the condenser, and the outlet of the compressor passes through the outlet pipe and the heat The water inlet of the exchange device is connected, and the water outlet of the heat exchange device is connected to the water inlet of the compressor through an inlet pipe, and a circulation pump is arranged in the inlet pipe.
本发明的进一步改进在于:所述热交换装置为热交换管,所述热交换管包括上交换管和下交换管,所述上交换管和下交换管的一端通过U形弯管相连。A further improvement of the present invention is that the heat exchange device is a heat exchange tube, and the heat exchange tube includes an upper exchange tube and a lower exchange tube, and one ends of the upper exchange tube and the lower exchange tube are connected by a U-bend.
本发明的进一步改进在于:在所述进水管上通过管道连接有压力调节装置。A further improvement of the invention consists in that a pressure regulating device is connected to the inlet pipe by means of a pipe.
本发明的进一步改进在于:所述压力调节装置包括膨胀水箱,在所述膨胀水箱上设有放空阀、压力表和安全阀。A further improvement of the present invention is that the pressure regulating device includes an expansion water tank, and a vent valve, a pressure gauge, and a safety valve are provided on the expansion water tank.
本发明的进一步改进在于:所述压力调节装置由补水阀、放空阀、压力表和安全阀组成。A further improvement of the invention consists in that the pressure regulating device consists of a water supply valve, a vent valve, a pressure gauge and a safety valve.
本发明与现有技术相比具有以下优点:结构简单,使用方便,不需要额外冷却装置,节能环保,运行成本低。Compared with the prior art, the invention has the following advantages: simple structure, convenient use, no additional cooling device, energy saving and environmental protection, and low running cost.
附图说明:BRIEF DESCRIPTION OF THE DRAWINGS:
图1为本发明的结构示意图;Figure 1 is a schematic view of the structure of the present invention;
图2为一种实施方式的结构示意图; 2 is a schematic structural view of an embodiment;
图3为另一种实施方式的结构示意图;3 is a schematic structural view of another embodiment;
图中标号:1-压缩机、2-冷凝器、3-膨胀阀、4-蒸发器、5-热交换装置、6-出水口、7-出水管、8-进水管、9-进水口、10-压力调节装置、11-膨胀水箱、12-放空阀、13-压力表、14-安全阀、15-补水阀、16-循环泵、17-U形弯管、18-下交换管、19-上交换管。Numbers in the figure: 1-compressor, 2-condenser, 3-expansion valve, 4-evaporator, 5-heat exchanger, 6-outlet, 7-outlet, 8-inlet, 9-inlet, 10-pressure regulator, 11-expansion tank, 12-vent valve, 13-pressure gauge, 14-safety valve, 15-fill valve, 16-cycle pump, 17-U-bend, 18-lower exchange, 19 - On the exchange tube.
具体实施方式:detailed description:
为了加深对本发明的理解,下面将结合实施例和附图对本发明作进一步详述,该实施例仅用于解释本发明,并不构成对本发明保护范围的限定。The invention will be further described in detail with reference to the embodiments and the accompanying drawings, which are to be construed as illustrative only.
如图1-图3示出了本发明一种制冷系统的两种具体实施方式:1 to 3 show two specific embodiments of a refrigeration system of the present invention:
实施例1:一种制冷系统,包括压缩机1、冷凝器2、膨胀阀3和蒸发器4,在所述压缩机1上连接有冷凝器2,所述冷凝器2通过膨胀阀3与蒸发器4相连,所述蒸发器4与压缩机1相连,所述冷凝器2为蒸发式冷凝器,在位于所述冷凝器1底部的盘管的下方设有热交换装置5,所述压缩机1的出水口6通过出水管7与热交换装置5的进水口相连,所述热交换装置5的出水口通过进水管8与压缩机1的进水口9相连,在所述进水管8设有循环泵16,所述热交换装置5为热交换管,所述热交换管包括上交换管19和下交换管18,所述上交换管19和下交换管18的一端通过U形弯管17相连,在所述进水管8上通过管道连接有压力调节装置10,所述压力调节装置10包括膨胀水箱11,在所述膨胀水箱11上设有放空阀12、压力表13和安全阀14。Embodiment 1: A refrigeration system comprising a compressor 1, a condenser 2, an expansion valve 3, and an evaporator 4, to which a condenser 2 is connected, the condenser 2 passing through an expansion valve 3 and evaporating The evaporator 4 is connected, the evaporator 4 is connected to a compressor 1, the condenser 2 is an evaporative condenser, and a heat exchange device 5 is provided below the coil located at the bottom of the condenser 1, the compressor The water outlet 6 of the first water outlet 6 is connected to the water inlet of the heat exchange device 5 through an outlet pipe 7, and the water outlet of the heat exchange device 5 is connected to the water inlet 9 of the compressor 1 through an inlet pipe 8, and the inlet pipe 8 is provided. The circulation pump 16, the heat exchange device 5 is a heat exchange tube, and the heat exchange tube includes an upper exchange tube 19 and a lower exchange tube 18, and one ends of the upper exchange tube 19 and the lower exchange tube 18 pass through a U-shaped bend 17 Connected, a pressure regulating device 10 is connected to the inlet pipe 8 by a pipe. The pressure regulating device 10 includes an expansion water tank 11, on which a vent valve 12, a pressure gauge 13 and a safety valve 14 are provided.
冷却后的乙二醇水溶液经进水管进入循环泵,被循环泵加压的乙二醇水溶液送至压缩机的进水口,低温乙二醇水溶液在压缩机体内与电机进行热交换,被加热了的乙二醇水溶液经过压缩机的出水口,进入出水管,然后进入冷凝器下部的热交换管,此处热的乙二醇水溶液与冷凝器上部落下的余水进行热交换,冷却后的水经进水管继续循环,在循环泵的进水口上部装有膨胀箱,其作用一方面放置乙二醇水溶液热胀冷缩,另一个作用是保证水泵前有足够的压头,防止水泵气蚀。The cooled aqueous solution of ethylene glycol enters the circulation pump through the inlet pipe, and is sent to the inlet of the compressor by the aqueous solution of ethylene glycol pressurized by the circulation pump. The low-temperature glycol aqueous solution exchanges heat with the motor in the compressor body and is heated. The aqueous solution of ethylene glycol passes through the water outlet of the compressor, enters the outlet pipe, and then enters the heat exchange tube at the lower part of the condenser, where the hot aqueous glycol solution exchanges heat with the remaining water of the tribe on the condenser, after cooling The water continues to circulate through the inlet pipe, and an expansion tank is arranged in the upper part of the inlet of the circulation pump, and the action is to place the ethylene glycol aqueous solution on the one hand to expand and contract, and the other function is to ensure that there is sufficient pressure head in front of the water pump to prevent the pump from cavitation. .
实施例2:Example 2:
一种制冷系统,包括压缩机1、冷凝器2、膨胀阀3和蒸发器4,在所述压缩机1上连接有冷凝器2,所述冷凝器2通过膨胀阀3与蒸发器4相连,所述蒸发器4与压缩机1相连,所述冷凝器2为蒸发式冷凝器,在位于所述冷凝器1底部的盘管的下方设有热交换装置5,所述压缩机1的出水口6通过出水管7与热交换装置5的进水口相连,所述热交换装置5的出水口通过进水管8与压缩机1的进水口9相连,在所述进水管8设有循环泵16,所述热交换装置5为热交换管,所述热交换管包括上交换管19和下交换管18,所述上交换管19和下交换管18的一端通过U形弯管17相连,在所述进水管8上通过管道连接有 压力调节装置10,所述压力调节装置10由补水阀15、放空阀12、压力表13和安全阀14组成。A refrigeration system includes a compressor 1, a condenser 2, an expansion valve 3, and an evaporator 4, to which a condenser 2 is connected, and the condenser 2 is connected to the evaporator 4 through an expansion valve 3, The evaporator 4 is connected to a compressor 1, the condenser 2 is an evaporative condenser, and a heat exchange device 5 is provided below the coil located at the bottom of the condenser 1, the water outlet of the compressor 1 6 is connected to the water inlet of the heat exchange device 5 through the outlet pipe 7, the water outlet of the heat exchange device 5 is connected to the water inlet 9 of the compressor 1 through the inlet pipe 8, and the inlet pipe 8 is provided with a circulation pump 16, The heat exchange device 5 is a heat exchange tube, and the heat exchange tube includes an upper exchange tube 19 and a lower exchange tube 18. One ends of the upper exchange tube 19 and the lower exchange tube 18 are connected by a U-bend 17 The inlet pipe 8 is connected by a pipe. The pressure regulating device 10 is composed of a water replenishing valve 15, a vent valve 12, a pressure gauge 13, and a safety valve 14.
冷却后的乙二醇水溶液经进水管进入循环泵,被循环泵加加压乙二醇水溶液送至压缩机的进水口,低温乙二醇水溶液在压缩机体内与电机进行热交换,被加热了的乙二醇水溶液经过压缩机的出水口,进入出水管,然后进入冷凝器下部的热交换管,此处热的乙二醇水溶液与冷凝器上部落霞的余水进行热交换,冷却后的水经进水管继续循环,在循环泵的进水口处装有补水阀、放空阀、压力表和安全阀,其作用一方面放置乙二醇水溶液热胀冷缩,另一个作用是保证水泵前有足够的压头,防止水泵气蚀。The cooled aqueous solution of ethylene glycol enters the circulation pump through the inlet pipe, and is sent to the inlet of the compressor by the circulating pump and the pressurized aqueous solution of ethylene glycol. The low-temperature glycol aqueous solution exchanges heat with the motor in the compressor body and is heated. The aqueous solution of ethylene glycol passes through the water outlet of the compressor, enters the outlet pipe, and then enters the heat exchange tube at the lower part of the condenser, where the hot aqueous glycol solution exchanges heat with the residual water of the tribe on the condenser, after cooling The water continues to circulate through the inlet pipe, and a water supply valve, a vent valve, a pressure gauge and a safety valve are installed at the water inlet of the circulation pump, and the action is to place the ethylene glycol aqueous solution on the one hand to expand and contract, and the other function is to ensure that the water pump has Adequate pressure head to prevent cavitation of the pump.
本发明具有结构简单,使用方便,不需要额外的冷却装置,节能环保,运行成本低的优点。 The invention has the advantages of simple structure, convenient use, no need of additional cooling device, energy saving and environmental protection, and low running cost.

Claims (5)

  1. 一种制冷系统,包括压缩机(1)、冷凝器(2)、膨胀阀(3)和蒸发器(4),其特征在于:在所述压缩机(1)上连接有冷凝器(2),所述冷凝器(2)通过膨胀阀(3)与蒸发器(4)相连,所述蒸发器(4)与压缩机(1)相连,所述冷凝器(2)为蒸发式冷凝器,在位于所述冷凝器(1)底部的盘管的下方设有热交换装置(5),所述压缩机(1)的出水口(6)通过出水管(7)与热交换装置(5)的进水口相连,所述热交换装置(5)的出水口通过进水管(8)与压缩机(1)的进水口(9)相连,在所述进水管(8)设有循环泵(16)。A refrigeration system comprising a compressor (1), a condenser (2), an expansion valve (3) and an evaporator (4), characterized in that a condenser (2) is connected to the compressor (1) The condenser (2) is connected to the evaporator (4) through an expansion valve (3), the evaporator (4) is connected to a compressor (1), and the condenser (2) is an evaporative condenser. A heat exchange device (5) is disposed below the coil located at the bottom of the condenser (1), and the water outlet (6) of the compressor (1) passes through the water outlet pipe (7) and the heat exchange device (5) The water inlet is connected, and the water outlet of the heat exchange device (5) is connected to the water inlet (9) of the compressor (1) through an inlet pipe (8), and a circulation pump (16) is arranged in the inlet pipe (8). ).
  2. 根据权利要求1所述的制冷系统,其特征在于:所述热交换装置(5)为热交换管,所述热交换管包括上交换管(19)和下交换管(18),所述上交换管(19)和下交换管(18)的一端通过U形弯管(17)相连。A refrigeration system according to claim 1, wherein said heat exchange means (5) is a heat exchange tube, said heat exchange tube comprising an upper exchange tube (19) and a lower exchange tube (18), said upper One end of the exchange tube (19) and the lower exchange tube (18) are connected by a U-bend (17).
  3. 根据权利要求1或2所述的制冷系统,其特征在于:在所述进水管(8)上通过管道连接有压力调节装置(10)。A refrigeration system according to claim 1 or 2, characterized in that a pressure regulating device (10) is connected to the inlet pipe (8) via a pipe.
  4. 根据权利要求3所述的制冷系统,其特征在于:所述压力调节装置(10)包括膨胀水箱(11),在所述膨胀水箱(11)上设有放空阀(12)、压力表(13)和安全阀(14)。A refrigeration system according to claim 3, characterized in that said pressure regulating means (10) comprises an expansion tank (11) on which a venting valve (12) and a pressure gauge (13) are provided. ) and safety valve (14).
  5. 根据权利要求3所述的制冷系统,其特征在于:所述压力调节装置(10)由补水阀(15)、放空阀(12)、压力表(13)和安全阀(14)组成。 A refrigeration system according to claim 3, characterized in that said pressure regulating means (10) consists of a water filling valve (15), a venting valve (12), a pressure gauge (13) and a safety valve (14).
PCT/CN2016/102535 2016-06-08 2016-10-19 Refrigeration system WO2017211033A1 (en)

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CN201610400077.7A CN105865065A (en) 2016-06-08 2016-06-08 Refrigeration system
CN201610400077.7 2016-06-08

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Publication number Priority date Publication date Assignee Title
CN105865065A (en) * 2016-06-08 2016-08-17 南通四方冷链装备股份有限公司 Refrigeration system

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CN202675751U (en) * 2012-04-06 2013-01-16 广州市华德工业有限公司 Air-condition heat pump unit provided with anti-freezing solution regenerated heat recovery device
CN105865065A (en) * 2016-06-08 2016-08-17 南通四方冷链装备股份有限公司 Refrigeration system
CN205690726U (en) * 2016-06-08 2016-11-16 南通四方冷链装备股份有限公司 A kind of refrigeration system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793506A (en) * 1955-03-28 1957-05-28 Trane Co Refrigerating apparatus with motor driven centrifugal compressor
CN201730805U (en) * 2010-06-25 2011-02-02 国际纸业舒尔物德包装(广州)有限公司 Cooling system
CN202675751U (en) * 2012-04-06 2013-01-16 广州市华德工业有限公司 Air-condition heat pump unit provided with anti-freezing solution regenerated heat recovery device
CN102628626A (en) * 2012-04-26 2012-08-08 广州市华德工业有限公司 Air conditioning dehumidification evaporative type condensation three-work-condition cold and hot water unit
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CN205690726U (en) * 2016-06-08 2016-11-16 南通四方冷链装备股份有限公司 A kind of refrigeration system

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