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Evaporative cooling type water chilling unit and control method thereof

A chiller and evaporative cooling technology, which is applied in the direction of refrigerators, refrigeration components, mechanical equipment, etc., can solve the problems of scaling and fouling, and achieve the effect of improving service life and reducing cleaning and maintenance work

Inactive Publication Date: 2021-01-29
GUANGDONG SHENLING ENVIRONMENT SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the embodiment of the present invention, an evaporative cooling chiller is provided, which is used to solve the problem that the evaporative cooling chiller in the prior art is prone to fouling and fouling during cooling

Method used

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  • Evaporative cooling type water chilling unit and control method thereof
  • Evaporative cooling type water chilling unit and control method thereof
  • Evaporative cooling type water chilling unit and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] As shown in the figure, it is a schematic diagram of an evaporative cooling chiller provided in the embodiment of the present invention. The evaporative cooling chiller provided by the present invention includes a compressor 1, a first condenser 2, a second condenser 3, throttling device 10, evaporator 4, compressor 1, first condenser 2, second condenser 3, throttling device 10, and evaporator 4 are connected in sequence to form a refrigeration circuit;

[0044] Compressor 1 The compressor is used to heat and pressurize the low-temperature and low-pressure gaseous refrigerant in the evaporator 4 and transport it to the first condenser 2;

[0045] The first condenser 2 is used to reduce the temperature of the gaseous refrigerant;

[0046] The second condenser 3 is used to condense the refrigerant cooled by the first condenser 2 into a liquid state;

[0047] The throttling device 10 is used to throttle the high-temperature and high-pressure refrigerant liquid after passi...

Embodiment 2

[0069] Another evaporative cooling chiller is provided in the embodiment of the present invention, including a compressor 1, a first condenser 2, a second condenser 3, a throttling device 10, an evaporator 4, a compressor 1, and a first condenser 2. The second condenser 3, the throttling device 10, and the evaporator 4 are sequentially connected to form a refrigeration circuit;

[0070] The compressor 1 is used to heat and pressurize the low-temperature and low-pressure gaseous refrigerant in the evaporator 4 and transport it to the first condenser 2;

[0071] The first condenser 2 is used to reduce the temperature of the gaseous refrigerant;

[0072] The second condenser 3 is used to condense the refrigerant cooled by the first condenser 2 into a liquid state;

[0073] The throttling device 10 is used to throttle the high-temperature and high-pressure refrigerant liquid after passing through the second condenser 3 into a low-temperature and low-pressure refrigerant liquid; ...

Embodiment 3

[0080] Such as image 3 As shown, it is a flow chart of an evaporative cooling chiller control method provided in an embodiment of the present invention, and the evaporative cooling chiller used for control includes the following steps:

[0081] Step S101, obtain the temperature of the refrigerant input to the input end and output end of the compressor through the temperature monitoring device, and determine whether the temperature of the refrigerant reaches the preset start-up temperature condition; if so, then

[0082] Step S102, obtain the refrigerant pressure at the input end and the output end of the compressor through the pressure monitoring device, and judge whether the pressure of the refrigerant reaches the preset start-up pressure condition; if so, then

[0083] Step S103, start the compressor;

[0084] Step S104, when the unloading amount of the compressor cannot meet the preset demand, adjust the energy regulating device to adjust the flow rate of the refrigerant,...

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Abstract

The invention belongs to the technical field of refrigeration, and discloses an evaporative cooling type water chilling unit and a control method thereof. The evaporative cooling type water chilling unit comprises a compressor, a first condenser, a second condenser, a throttling device and an evaporator which are sequentially connected to form a refrigerating loop. The compressor is used for heating and pressurizing a low-temperature and low-pressure gaseous refrigerant in the evaporator and then conveying the gaseous refrigerant to the first condenser; the first condenser is used for reducingthe temperature of the gaseous refrigerant; the second condenser is used for condensing the refrigerant cooled by the first condenser into a liquid state; the throttling device is used for throttlingthe high-temperature and high-pressure refrigerant liquid into low-temperature and low-pressure refrigerant liquid; and the evaporator is used for carrying out heat exchange on the liquid refrigerantand the outside. According to the evaporative cooling type water chilling unit, the temperature of the refrigerant condensed into the liquid state in the second condenser is reduced in advance, and the phenomenon that chemical components, calcium and magnesium ions and the like in spray water are separated out to form scales in the rapid temperature change process is reduced.

Description

technical field [0001] The invention belongs to the technical field of refrigeration, and in particular relates to an evaporative cooling chiller and a control method thereof. Background technique [0002] Chillers are also known as freezers, refrigeration units, ice water units, cooling equipment, etc. Chillers are generally used in air conditioning units and industrial cooling. In air conditioning systems, chilled water is usually distributed to heat exchangers or other types of terminal equipment for re-use. Cool their respective spaces, then the chilled water is redistributed back to the evaporator. In industrial applications, chilled water or other liquids are cooled by pumping through process or laboratory equipment. [0003] At present, most of the chillers directly compress the refrigerant through the compressor, and then condense to form a low-temperature refrigerant for refrigeration. However, the spray water generally contains some chemical components and some i...

Claims

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Application Information

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IPC IPC(8): F25B41/40F25B43/00F25B49/02F28F19/00
CPCF25B43/00F25B49/022F28F19/00
Inventor 黄国斌王亮添田宇陈松能周贤嫄何卫国
Owner GUANGDONG SHENLING ENVIRONMENT SYST CO LTD
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