Method and system for reducing temperature locally under coal mine shaft
A local cooling and coal mine technology, which is applied in mine/tunnel ventilation, mining equipment, earthwork drilling, etc., can solve the problems that the cooling machine cannot run stably for a long time, is difficult to meet, and the turbine is damaged by ice particles, etc.
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[0014] Attached below figure 1 and one This embodiment further illustrates a method and system for local cooling in coal mines of the present invention.
[0015] like figure 1 As shown, a method and system for local cooling in underground coal mines are composed of an upper part and an underground part.
[0016] The ground part is composed of an air compressor 1 , a cooler 2 , an oil-water separator 3 , a voltage stabilizer 4 , an evaporative condenser 5 and a drying tower 6 . The air on the well is compressed by the air compressor 1 and becomes a high-temperature and high-pressure gas, which is cooled by the cooling water in the cooler 2 at a constant pressure, and the temperature drops to normal temperature, and then the lubricating oil and moisture in the air are separated by the oil-water separator 3 , after passing through the regulator 4, and then through the evaporative condenser 5 and the drying tower 6 to remove water vapor in the air.
[0017] The downhole part ...
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