Air pre-cooling system of air separation device
A technology of air pre-cooling and air separation unit, applied in the field of air pre-cooling system, which can solve the problems of bacteria breeding and turbidity rise, increase quality risk, failure to meet GMP production requirements, etc., achieve good effect and low energy consumption
Pending Publication Date: 2019-04-02
浙江海畅气体股份有限公司
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Problems solved by technology
[0003] When the gas produced by the above-mentioned air separation unit is used in the GMP standard medicine and food production system, the circulating water will breed bacteria and increase turbidity in the air cooling tower and water cooling tower for a long time, and the quality risk will increase after contact with the air, which cannot be achieved. GMP production requirements
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[0015] Below in conjunction with accompanying drawing, the present invention will be further described with specific embodiment, see figure 1 :
[0016] A kind of air precooling system of air separation unit, described system comprises raw material air input pipe 1, raw material air output pipe 2 and raw material air compressor 3, the air inlet of described raw material air input pipe 1 and raw material air compressor 3 The air outlet of the raw material air compressor 3 is connected to the raw material air output pipe 2, and the other end of the raw material air output pipe 2 is connected to the raw material air purifier, and the raw material air output pipe 2 is sequentially provided with a circulating water cooler 4 and Chilled water cooler 5, raw material air output pipe 2 enters through the pipe shell of circulating water cooler 4 and chilled water cooler 5, and circulating water and chilled water enter through the tube side of circulating water cooler 4 and chilled water...
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The invention belongs to the technical field of air separation devices, and particularly relates to an air pre-cooling system of an air separation device. The system comprises a raw material air inputpipe, a raw material air output pipe and a raw material air compressor. The raw material air input pipe is connected with an air inlet of the raw material air compressor. An air outlet of the raw material air compressor is connected with the raw material air output pipe. The other end of the raw material air output pipe is connected with a raw material air purifier. The raw material air output pipe is sequentially provided with a circulation water cooler and a frozen water cooler. The raw material air output pipe gets into pipe shells of the circulation water cooler and the frozen water cooler. Circulation water and frozen water get in pipe passes of the circulation water cooler and the frozen water cooler. According to the provided air pre-cooling system of the air separation device, bacteria or other substances in a water circulation system are prevented from making contact with raw material air, and the produced gas meets the GMP standard in the pharmacy and food industry.
Description
technical field [0001] The invention belongs to the technical field of air separation devices, in particular to an air precooling system of an air separation device. Background technique [0002] Existing large and medium-sized air separation precooling systems use chilled water to directly exchange heat with air. The equipment includes: air cooling towers, water cooling towers, water cooling units, and cold water pumps. The chiller drops to the temperature required for air separation, and then enters the top of the air-cooling tower to directly contact the rising air for heat exchange, thereby cooling the air, and the reheated circulating water returns to the water-cooling tower from the bottom of the air-cooling tower. [0003] When the gas produced by the above-mentioned air separation unit is used in the GMP standard medicine and food production system, the circulating water will breed bacteria and increase turbidity in the air cooling tower and water cooling tower for a...
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IPC IPC(8): F25J5/00
CPCF25J5/00F25J3/04157F25J2270/90
Inventor 陈辉林定标陈芳王培正王仁保金志
Owner 浙江海畅气体股份有限公司