Refrigerating and cooling unit for high-temperature oil liquid
A high-temperature oil and unit technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems such as compressor overload, inability to accurately control temperature, and failure of air-conditioning and refrigeration systems to operate normally
Pending Publication Date: 2019-06-07
江苏拓博制冷科技有限公司
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Problems solved by technology
[0002] Current cooling methods for high-temperature oil: 1. Use an air-cooled oil cooler to dissipate heat and cool down the high-temperature oil. This method has the following disadvantages: ①The oil is dissipated through the ambient temperature, and the temperature cannot be precisely controlled, only the oil temperature can be guaranteed. above ambient temperature
2. Use an air-conditioning refrigerator to cool down the oil. This method also has the following disadvantages: ① When the oil is higher than 60°C, the air-conditioning refrigeration system cannot operate normally
(High pressure in the refrigeration system will cause the compressor to overload)
Method used
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[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.
[0016] see figure 1 , a cooling and cooling unit for high-temperature oil, including a compressor 1, a condenser 2, an evaporator 3 and an oil pump 4, the compressor 1, the condenser 2 and the evaporator 3 are connected in series by setting pipelines, and form a cycle, and the oil pump 4 After the hot oil is drawn into the evaporator 3 through the input pipeline 5, it is discharged through the output pipeline 6 in the form of cold oil. Two independent closed chann...
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The invention discloses a refrigerating and cooling unit for high-temperature oil liquid. The refrigerating and cooling unit for the high-temperature oil liquid comprises a compressor, a condenser, anevaporator and an oil pump, and the compressor, the condenser and the evaporator are connected in series by arranging pipelines to form circulation; hot oil is pumped by the oil pump to enter the evaporator through an input pipeline and then is discharged out through an output pipeline in a cold oil mode; two independent closed channels are arranged in the evaporator, one closed channel serves asa flowing channel for oil, and the other closed channel serves as a flowing channel for refrigerating agent liquid; and a plate-fin heat exchanger is arranged on the input pipeline between the oil pump and the evaporator in parallel. According to the refrigerating and cooling unit for the high-temperature oil liquid, the dual cooling modes of air cooling heat dissipation and air conditioner refrigerating are adopted, and cooling is conducted by combining the advantages of the two cooling modes; and the cooling modes can be automatically switched by monitoring the temperature change of the oilliquid, the problem of influences of too high or too low environment temperature on the constant heat exchange amount can be solved, and the temperature of the oil liquid can be lowered to the environment temperature or below.
Description
technical field [0001] The invention relates to the technical field of refrigeration, in particular to a refrigeration and cooling unit for high-temperature oil. Background technique [0002] Current cooling methods for high-temperature oil: 1. Use an air-cooled oil cooler to dissipate heat and cool down the high-temperature oil. This method has the following disadvantages: ①The oil is dissipated through the ambient temperature, and the temperature cannot be precisely controlled, only the oil temperature can be guaranteed. above ambient temperature. ②The heat dissipation effect of the air-cooled oil cooler is closely related to the ambient temperature, and its heat transfer will decrease with the increase of the ambient temperature. Cannot drop below ambient temperature. 2. The air-conditioning refrigerator is used to cool the oil. This method also has the following disadvantages: ① When the oil is higher than 60°C, the air-conditioning refrigeration system cannot operate ...
Claims
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IPC IPC(8): F25B1/00F25B41/00F25B41/20
Inventor 曹松
Owner 江苏拓博制冷科技有限公司