Natural cold source energy-saving refrigerating system

A refrigeration system and natural cold source technology, applied in the field of natural cold source energy-saving refrigeration systems, can solve the problems of high power consumption and high data center, and achieve the effect of improving energy efficiency, improving product competitiveness, and reducing PUE

Pending Publication Date: 2018-11-30
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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Problems solved by technology

[0002] At present, most data center refrigeration air conditioners use compression refrigeration cycles. With the development of information technology, the heat dissipation of servers and the heat dissipation density of computer rooms increase. More than 40% of the power consumption, resulting in high data center PUE

Method used

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  • Natural cold source energy-saving refrigerating system

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specific Embodiment

[0028] When the outdoor temperature T ≥ 35°C, the compressor is used for the refrigeration cycle. When the evaporative condenser 3 cannot meet the requirements, the electric three-way valve B 10 is adjusted to open the nozzle to eject the refrigeration cycle for auxiliary refrigeration, and the condenser spray is turned on. Drain, close the fluorine pump refrigeration cycle.

[0029] When the outdoor temperature is 10℃≤T<35℃, the compressor refrigeration cycle and the fluorine pump refrigeration cycle operate jointly, close the nozzle to spray the refrigeration cycle, and open the condenser spray.

[0030] When the outdoor temperature is -5℃≤T<10℃, the compressor refrigeration cycle is closed, only the fluorine pump refrigeration cycle is opened, and the condenser spray is closed.

[0031] When the outdoor temperature T<-5℃, only the fluorine pump refrigeration cycle is turned on; the electric three-way valve A9 is turned on by-pass adjustment to adjust the refrigerant flow th...

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Abstract

The invention provides a natural cold source energy-saving refrigerating system. The natural cold source energy-saving refrigerating system comprises a compressor refrigerating cycle, a fluorine pumprefrigerating cycle and a spray pipe injection refrigerating cycle. Refrigeration is carried out according to a single mode in three different outdoor temperature refrigerating cycle modes or different mode combinations. According to the scheme, by means of evaporative cooling, fluorine pump natural cold sources and the spray pipe injection refrigerating technology, energy saving and consumption reduction can be achieved in the refrigerating system, and the effect of improving the energy efficiency of a unit is achieved. The effects of saving energy, reducing consumption and reducing PUE can be achieved in a data center, and the product competitiveness of the data center is improved.

Description

technical field [0001] The invention relates to the technical field of data center refrigeration equipment, in particular to a natural cold source energy-saving refrigeration system. Background technique [0002] At present, most of the refrigeration and air conditioners in data centers use compression refrigeration cycles. With the development of information technology, the heat dissipation of servers and the heat dissipation density of computer rooms have increased. The heat dissipation method of precision air conditioners relying on electricity consumes a lot of electricity and accounts for the energy of the data center. It consumes more than 40% of the power consumption, resulting in the persistently high PUE of the data center. In order to adapt to the trend of green energy saving in the data center, use the natural cold source to reduce the energy consumption of the data room and maximize the energy utilization, a natural cold source energy-saving refrigeration system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B25/00
CPCF25B25/00
Inventor 王红卫
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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