CN2572309Y - High supercooling degree vapour compression circulation supercooler set - Google Patents

High supercooling degree vapour compression circulation supercooler set Download PDF

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Publication number
CN2572309Y
CN2572309Y CN 02271126 CN02271126U CN2572309Y CN 2572309 Y CN2572309 Y CN 2572309Y CN 02271126 CN02271126 CN 02271126 CN 02271126 U CN02271126 U CN 02271126U CN 2572309 Y CN2572309 Y CN 2572309Y
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CN
China
Prior art keywords
water
subcooler
outlet
evaporator
supercooling degree
Prior art date
Application number
CN 02271126
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Chinese (zh)
Inventor
杨少华
招伟
张罡
黄冲
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广东科龙电器股份有限公司
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Application filed by 广东科龙电器股份有限公司 filed Critical 广东科龙电器股份有限公司
Priority to CN 02271126 priority Critical patent/CN2572309Y/en
Application granted granted Critical
Publication of CN2572309Y publication Critical patent/CN2572309Y/en

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Abstract

The utility model relates to a high subcooling degree vapor compression cooling circulation water cooling machine unit. The utility model is composed of a compressor, a condenser, a liquid reservoir, a subcooler, a filter, a throttling device, and the compressor, which are connected in order by a pipeline so as to form a loop. A water side inlet of the evaporator is connected with a backwater mouth, and a water side outlet of the evaporator is connected with a water outlet. The utility model is characterized in that the water side of the subcooler is provided with a cold water inlet and a cold water outlet; the cold water inlet is connected with the cold water source; the cold water outlet is connected with the water side inlet of the evaporator. The utility model can provide a water cooling machine unit which can have the advantages of simple structure and convenient installation and use and can obtain the high subcooling vapor compression condenser cooling circulation by improving the prior art.

Description

The handpiece Water Chilling Units of the vapor-compression refrigerant cycle of big supercooling degree

Technical field

The novel compression refrigerating system that relates to on-reversible cycle of this use is in more detail as the handpiece Water Chilling Units of the vapor-compression refrigerant cycle of the big supercooling degree of the outdoor unit of water system central air-conditioning.

Background technology

The handpiece Water Chilling Units of the outdoor unit of existing water system central air-conditioning generally connects and composes the vapor-compression refrigerant cycle loop by compressor, condenser, liquid reservoir, filter, throttling arrangement, evaporimeter, compressor by pipeline successively.Its course of work is as follows: gaseous refrigerant becomes high temperature, high pressure refrigerant gas after by compressor compresses, after being cooled medium (air or water) cooling, condenser becomes liquid, liquid passes through filter behind liquid reservoir, after the throttling arrangement step-down, become the gas-fluid two-phase mixture of low pressure, enter evaporimeter again, in evaporimeter, cold-producing medium absorbs the heat of cold water and becomes low-pressure gas by compressor 1 import suction, constitutes the working cycles loop of sealing.

In vapor-compression refrigerant cycle, the refrigerant liquid degree of supercooling that enters throttling arrangement has material impact to performance of refrigerant systems.Degree of supercooling is too small, and the loss of throttling process available energy increases; Refrigerant liquid produces flash gas before throttling, specific refrigerating effect is reduced.Usually adopt following two kinds of schemes to improve degree of liquid subcooling: (1) utilizes the lower phreatic water cooling refrigeration agent liquid of temperature at condenser (or liquid reservoir) back serial connection subcooler; (2) adopt liquid suction heat exchanger (regenerator) in internal system, the Low Temperature Steam and the refrigerant liquid that are used to flash-pot carry out heat exchange and improve degree of liquid subcooling.Scheme (1) can reach bigger degree of supercooling, but needs external water source and extra wasted work.Scheme (2) is owing to gas and liquid heat exchange in regenerator, and heat transfer coefficient is low, and the liquid temperature drop is little.

The utility model content

The utility model improves prior art, and a kind of simple in structure, easy to install, handpiece Water Chilling Units that can obtain the vapor-compression refrigerant cycle of big supercooling degree is provided.

The handpiece Water Chilling Units of the vapor-compression refrigerant cycle of the utility model big supercooling degree connects into the loop by pipeline successively by compressor, condenser, liquid reservoir, subcooler, filter, throttling arrangement, evaporimeter, compressor; The evaporator water side-entrance takes back the mouth of a river, and the evaporator water side outlet picks out the mouth of a river.Characteristics of the present utility model are to establish the cold water import and export in subcooler water side, and this import connects cold water source, and this outlet connects the evaporator water side-entrance.Cold water is gone into subcooler from import, with behind the liquid heat exchange in the subcooler from the side-entrance of outlet inflow evaporator water.

Described subcooler water side cooling water inlet takes back the mouth of a river, with the cold water source of backwater as subcooler, needn't increase cold water source in addition.

Described subcooler water side cooling water inlet can also connect the evaporator water side outlet.The water that comes out with the evaporator water side outlet is as cold water source.

Adopt the utility model structure, refrigerant liquid and cold water generation heat exchange in subcooler.Because heat transfer temperature difference big (more than 20 ℃) between refrigerant liquid and cold water, the outlet degree of liquid subcooling increases substantially, chilled water after the intensification carries out countercurrent flow with cold-producing medium in evaporimeter, improved the evaporator refrigerant outlet temperature, has reduced cold-producing medium invalid overheated in suction line.

Description of drawings

Fig. 1 is the handpiece Water Chilling Units structural representation of the vapor-compression refrigerant cycle of the utility model big supercooling degree;

Fig. 2 is another structural representation of handpiece Water Chilling Units of the vapor-compression refrigerant cycle of big supercooling degree.

The specific embodiment

As shown in Figure 1, the handpiece Water Chilling Units of the vapor-compression refrigerant cycle of the utility model big supercooling degree comprises compressor 1, condenser 2, liquid reservoir 3, subcooler 4, filter 5, throttling arrangement 6 and evaporimeter 7, the refrigerant inlet of compressor 1 gas outlet and condenser 2 is joined, the refrigerant outlet of condenser 2 inserts liquid reservoir 3, liquid reservoir 3 outlets are joined with subcooler 4 refrigerant inlet, subcooler 4 refrigerant outlets and filter 5 imports are joined, filter 5 outlets are joined with throttling arrangement 6 imports, throttling arrangement 6 outlets are joined with evaporimeter 7 refrigerant inlet, and evaporimeter 7 refrigerant outlets insert compressor 1 air inlet.Its design feature is: water return outlet 8 joins with subcooler 4 water side-entrances, and subcooler 4 water side outlets and evaporimeter 7 water side-entrances are joined, and evaporimeter 7 water side outlets link to each other with delivery port 9.The form of carrying out heat exchange in condenser 2 adopts water-cooled or air-cooled, and throttling arrangement 6 can adopt expansion valve or capillary.Among the figure, water return outlet is taken over cooler water side cooling water inlet, connects the evaporator water side-entrance through outlet.

During the work of the utility model device,, gaseous refrigerant becomes high temperature, high pressure refrigerant gas after being compressed by compressor 1, becomes liquid after condenser is cooled medium (air or water) cooling.Liquid through behind the liquid reservoir in subcooler with the cold water heat exchange, temperature further reduces, degree of supercooling increases.Pass through filter from the high pressure refrigerant liquid that subcooler comes out, after throttling arrangement 6 step-downs, become the gas-fluid two-phase mixture of low pressure, enter cooling water evaporation device 7 again.In evaporimeter 7, cold-producing medium absorbs the heat of cold water and becomes low-pressure gas by compressor 1 import suction, constitutes the working cycles loop of sealing.

Among Fig. 1, backwater temperature after subcooler 4 and refrigerant liquid heat exchange raises, and entering evaporimeter 7 again becomes low-temperature cold water with the heat transferred cold-producing medium, is delivered to delivery port by pump 10.

As shown in Figure 2, the refrigerant inlet of compressor 1 gas outlet and condenser 2 is joined, the refrigerant outlet of condenser 2 inserts liquid reservoir 3, liquid reservoir 3 outlets are joined with subcooler 4 refrigerant inlet, subcooler 4 refrigerant outlets and filter 5 imports are joined, filter 5 outlets are joined with throttling arrangement 6 imports, and throttling arrangement 6 outlets are joined with evaporimeter 7 refrigerant inlet, and evaporimeter 7 refrigerant outlets insert compressor 1 air inlet.Its design feature is: handpiece Water Chilling Units water return outlet 8 joins with evaporimeter 7 water side-entrances, and evaporimeter 7 water side outlets join with handpiece Water Chilling Units delivery port 9, subcooler 4 water side-entrances respectively, and subcooler 4 water side outlets link to each other with handpiece Water Chilling Units water return outlet 8.The form of carrying out heat exchange in condenser 2 adopts water-cooled or air-cooled, and throttling arrangement 6 can adopt expansion valve or capillary.

Among Fig. 2, backwater is earlier through 7 cooled doses of coolings of evaporimeter, and temperature reduces.The cold water that comes out from evaporimeter is divided into two-way, and one the tunnel is delivered to delivery port 9, and another road enters after subcooler 4 and the refrigerant liquid heat exchange to converge with backwater and enters evaporimeter 7.

Claims (4)

1, a kind of handpiece Water Chilling Units of vapor-compression refrigerant cycle of big supercooling degree connects into the loop by pipeline successively by compressor, condenser, liquid reservoir, subcooler, filter, throttling arrangement, evaporimeter, compressor; The evaporator water side-entrance takes back the mouth of a river, and the evaporator water side outlet picks out the mouth of a river, it is characterized in that subcooler water side establishes the cold water import and export, and this import connects cold water source, and this outlet connects the evaporator water side-entrance.
2, the handpiece Water Chilling Units of the vapor-compression refrigerant cycle of big supercooling degree according to claim 1 is characterized in that described subcooler water side cooling water inlet takes back the mouth of a river.
3, the handpiece Water Chilling Units of the vapor-compression refrigerant cycle of big supercooling degree according to claim 1 is characterized in that described subcooler water side cooling water inlet connects the evaporator water side outlet.
4, the handpiece Water Chilling Units of the vapor-compression refrigerant cycle of big supercooling degree according to claim 1 is characterized in that described water return outlet takes over cooler water side cooling water inlet, connects the evaporator water side-entrance through outlet.
CN 02271126 2002-06-18 2002-06-18 High supercooling degree vapour compression circulation supercooler set CN2572309Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02271126 CN2572309Y (en) 2002-06-18 2002-06-18 High supercooling degree vapour compression circulation supercooler set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02271126 CN2572309Y (en) 2002-06-18 2002-06-18 High supercooling degree vapour compression circulation supercooler set

Publications (1)

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CN2572309Y true CN2572309Y (en) 2003-09-10

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CN 02271126 CN2572309Y (en) 2002-06-18 2002-06-18 High supercooling degree vapour compression circulation supercooler set

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417875C (en) * 2004-06-11 2008-09-10 大金工业株式会社 Supercooling device
CN101886837A (en) * 2010-07-15 2010-11-17 深圳麦克维尔空调有限公司 Serial plate type heat exchanger air conditioner
CN103574954A (en) * 2013-11-12 2014-02-12 无锡溥汇机械科技有限公司 Energy feedback type heat exchange system
CN103649668A (en) * 2011-06-24 2014-03-19 三菱电机株式会社 Plate heater and refrigeration cycle device
CN103712477A (en) * 2013-12-18 2014-04-09 清华大学 Heat-supplying and demisting water-saving type cooling tower for heat pump
TWI452246B (en) * 2011-11-14 2014-09-11 Ind Tech Res Inst Heat pump hot water system
CN104697227A (en) * 2015-03-17 2015-06-10 浙江国祥空调设备有限公司 Evaporation condensation high-efficiency screw water chilling unit with deep supercooling device
CN109506389A (en) * 2018-11-08 2019-03-22 珠海格力电器股份有限公司 A kind of magnetic cooling heat exchange system
CN109539639A (en) * 2018-10-17 2019-03-29 珠海格力电器股份有限公司 Water chiller

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417875C (en) * 2004-06-11 2008-09-10 大金工业株式会社 Supercooling device
CN101886837A (en) * 2010-07-15 2010-11-17 深圳麦克维尔空调有限公司 Serial plate type heat exchanger air conditioner
CN103649668A (en) * 2011-06-24 2014-03-19 三菱电机株式会社 Plate heater and refrigeration cycle device
US9772145B2 (en) 2011-06-24 2017-09-26 Mitsubishi Electric Corporation Flat plate heat exchanger having fluid distributor inside manifold
CN103649668B (en) * 2011-06-24 2016-02-17 三菱电机株式会社 Plate type heat exchanger and freezing cycle device
TWI452246B (en) * 2011-11-14 2014-09-11 Ind Tech Res Inst Heat pump hot water system
CN103574954A (en) * 2013-11-12 2014-02-12 无锡溥汇机械科技有限公司 Energy feedback type heat exchange system
CN103574954B (en) * 2013-11-12 2015-11-04 无锡溥汇机械科技有限公司 A kind of energy feedback type heat exchange system
CN103712477B (en) * 2013-12-18 2016-02-24 清华大学 Heat pump heat supply demist water-saving cooling tower
CN103712477A (en) * 2013-12-18 2014-04-09 清华大学 Heat-supplying and demisting water-saving type cooling tower for heat pump
CN104697227A (en) * 2015-03-17 2015-06-10 浙江国祥空调设备有限公司 Evaporation condensation high-efficiency screw water chilling unit with deep supercooling device
CN109539639A (en) * 2018-10-17 2019-03-29 珠海格力电器股份有限公司 Water chiller
CN109506389A (en) * 2018-11-08 2019-03-22 珠海格力电器股份有限公司 A kind of magnetic cooling heat exchange system
CN109506389B (en) * 2018-11-08 2020-05-19 珠海格力电器股份有限公司 Magnetic refrigeration heat exchange system

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