Water chiller unit, operating method and refrigerant for air-conditioner refrigeration field

A chiller, air-conditioning refrigeration technology, applied in refrigerators, refrigeration components, air-conditioning systems, etc., can solve the problems of low evaporating temperature, difficult to improve the energy efficiency ratio of refrigeration units, and difficult to accurately control the humidity of supply air, etc. The effect of improving energy efficiency and good economy

Active Publication Date: 2015-01-28
SOUTHEAST UNIV
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  • Application Information

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Problems solved by technology

[0004]Technical problem: The technical problem to be solved by the present invention is to provide a chiller used in the field of air conditioning and refrigeration, which solves the problem of the existing one-time cooling and dehumidification The air-conditionin

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  • Water chiller unit, operating method and refrigerant for air-conditioner refrigeration field

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Embodiment Construction

[0022] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] like figure 1 As shown, a chiller unit of the present invention used in the field of air conditioning and refrigeration includes a compressor 1, a condenser 2, a liquid receiver 3, a dry filter 4, a sight glass 5, an electronic expansion valve 6, and a first bushing evaporator 7, second casing evaporator 8, regulating valve 9, cooling water pump 10, first chilled water pump 11, second chilled water pump 12, three-way valve 13 and refrigerant. The outlet port of the compressor 1 is connected with the first inlet port of the condenser 2, the first outlet port of the condenser 2 is connected with the inlet port of the liquid receiver 3, the second inlet port of the condenser 2 is connected with the cooling water pipeline, and the condensation The second outlet end of device 2 is connected with the inlet end of cooling water pump 10...

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Abstract

The invention discloses a water chiller unit for the air-conditioner refrigeration field. The water chiller unit comprises a compressor, a condenser, a liquid reservoir, a drying filter, a liquid mirror, an electronic expansion valve, a first casing type evaporator, a second casing type evaporator, an adjusting valve, a cooling water pump, a first chilled water pump, a second chilled water pump, a three-way valve and refrigerant. The outlet end of the electronic expansion valve is connected with the first inlet end of the first casing type evaporator, the first outlet end of the first casing type evaporator, the first inlet end of the second casing type evaporator and the outlet end of the electronic expansion valve are connected with three orifices of the three-way valve respectively. The water chiller unit solves the problems that an existing one-off cooling and dehumidifying air conditioner is low in evaporation temperature, air supply humidity is difficult to accurately control, energy efficiency ratio of a refrigerating unit is hard to increase. Meanwhile, the invention further provides an operating method of the water chiller unit, and two kinds of chilled water different in temperature are effectively provided. Further, the invention provides the refrigerant. Performance of a heat and humidity segment treatment system can be improved.

Description

technical field [0001] The invention belongs to the field of refrigeration and air-conditioning systems, and in particular relates to a water chiller, working method and refrigerant used in the field of air-conditioning and refrigeration. technical background [0002] The air conditioning load can be divided into sensible heat load and humidity load (latent heat load). The humidity load treatment methods in the air treatment process mainly include cooling and dehumidification, solution dehumidification, adsorption dehumidification, etc. Restricted by various factors, cooling and dehumidification is still the most commonly used method to deal with the humidity load of air conditioners. [0003] The method of cooling and dehumidification is to use cold water at a lower temperature to perform one-time cooling and dehumidification treatment on the air, and process it to the required saturation state, and then heat the air to the air supply state by heating. In this way, the se...

Claims

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Application Information

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IPC IPC(8): F24F5/00F24F11/00
CPCC09K5/045C09K2205/22F24F5/001F25B5/00F25B49/02
Inventor 张小松刘剑张恺
Owner SOUTHEAST UNIV
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