Cooling oil liquid device with parallel connection of multiple refrigerant compressor units
A refrigeration compression and compressor technology, applied in refrigerators, compressors, refrigeration components, etc., can solve the problems of shortened compressor life, failure to meet temperature control requirements, waste of electric energy, etc., to reduce waste of electric energy and return oil and gas. The effect of equal and equal air return resistance
Pending Publication Date: 2018-09-18
南通托贝铒智能控制设备有限公司
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Problems solved by technology
[0002] Most of the existing traditional oil coolers use a single compressor to cool down the oil. When the calorific value of the hydraulic system or lubrication system changes, the cooling capacity of a single compressor cannot match. The corresponding calorific value, the cooling capacity of a single compressor When it is greater than the calorific value, it will cause the compressor to start frequently, resulting in a reduction in the life of the compressor and a waste of electric energy due to frequent starts; when the cooling capacity of a single compressor is less than the calorific value, it will not meet the temperature control requirements
[0003] Furthermore, once a single high-power compressor is damaged, the replacement cost is extremely expensive
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[0010] Such as figure 1 As shown, the cooling oil device composed of multiple refrigeration compressor units connected in parallel includes a condenser 1, an evaporator 2, and a compressor 3, and the evaporator 2, compressor 3, and condenser 1 are connected by a closed circulation pipeline 4 , the pipeline between the condenser 1 and the evaporator 2 is provided with a liquid receiver 5 and a filter 6 in sequence, a condensing fan 7 is provided correspondingly outside the condenser 4, and a cooled oil circuit 8 is provided inside the evaporator 2; the compressor 3. At least two compressors are installed. Each compressor 3 is connected to the same oil-gas balance tank 9 through pipelines. The inlet of the oil-gas balance tank 9 is connected to the closed circulation pipeline connected to the outlet of the evaporator 2. The outlet of each compressor 3 Check valve 10 is all installed.
[0011] The power of each compressor 3 is 1 / N of the high-power compressor required by the tot...
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The invention relates to a cooling oil liquid device with the parallel connection of multiple refrigerant compressor units, and relates to a refrigerating device. The cooling oil liquid device with the parallel connection of the multiple refrigerant compressor units comprises a condenser, an evaporator and compressors, wherein the evaporator, the compressors and the condenser are connected througha closed circulation pipeline; a liquid reservoir and a filter are sequentially arranged on the pipeline between the condenser and the evaporator; a condensate fan is correspondingly arranged outsidethe condenser; an oil circuit to be cooled is arranged in the evaporator; at least two compressors are arranged and are connected to the same oil gas balance barrel through pipelines; and an inlet ofthe oil gas balance barrel is connected onto the closed circulation pipeline connected with an outlet of the evaporator. The device is high in stability, low in operation cost, capable of reducing the mismatched power, the start-stop times of the high-power compressor and the waste of electric energy, convenient to maintain and low in cost.
Description
technical field [0001] The invention relates to a refrigeration device, which is mainly used for cooling and temperature control of hydraulic systems and lubricating systems of automobile sheet metal forming equipment, forging machinery equipment, and numerical control shearing equipment. Background technique [0002] Most of the existing traditional oil coolers use a single compressor to cool down the oil. When the calorific value of the hydraulic system or lubrication system changes, the cooling capacity of a single compressor cannot match. The corresponding calorific value, the cooling capacity of a single compressor When it is greater than the calorific value, it will cause the compressor to start frequently, resulting in a reduction in the life of the compressor and a waste of electric energy due to frequent starts; when the cooling capacity of a single compressor is less than the calorific value, it will not meet the temperature control requirements. [0003] Furthermo...
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IPC IPC(8): F25B1/10
CPCF25B1/10F25B2400/075
Inventor 曹松周海锋
Owner 南通托贝铒智能控制设备有限公司