The cooling medium of water-soluble drop pills generally uses methyl silicone oil, liquid paraffin and other vegetable oils. After a period of use, due to the influence of indoor humidity and the artificial action, a certain amount of water will be mixed to make it become turbid and opaque, thus affecting The roundness of the dropping pill molding, the leakage of the water by the artificial action, due to the large water ratio, can be solved by the precipitation release method. It is difficult to solve the problem that the cooling medium is inhaled due to the lowering of the working temperature. Water molecules dispersed in the medium.
In addition, due to long-term use, the solid particles discharged by the dropping pills during the process of forming the exhaust gas are also dispersed and floated in the medium, which aggravates the turbidity of the medium. In order to solve the above problems, some manufacturers adopt silica gel moisture absorption and high density filtration. The method of impurities, the result is not good, the reason is: the amount of silica gel required is large, and it is more troublesome to deoil and dry the silica gel.
Some manufacturers have solved the above problems by experimenting with the cooling medium dewatering filter. The principle is to pump the silicone oil into a closed oil storage tank, which uses electricity to heat the heat transfer oil, and then Warming the medium, reducing the viscosity of the medium during heating, evaporating the water, and then discharging the steam through a vacuum pump, removing the water, then driving the activated carbon filter and the 0.2um titanium alloy filter through the high temperature resistant oil pump, and filtering through the two poles. Cool for use. The device is compact in structure, high in control automation, temperature and pressure can be arbitrarily set, suitable for processing of different media, after the determination of the viscosity of the silicone oil, and then re-injected into the dropping machine. Some manufacturers use the method of boiling, because the temperature control is not strict, it is easy to gelatinize the medium, which affects the roundness of the dropping pills in the molding process.
In addition, due to long-term use, the solid particles discharged by the dropping pills during the process of forming the exhaust gas are also dispersed and floated in the medium, which aggravates the turbidity of the medium. In order to solve the above problems, some manufacturers adopt silica gel moisture absorption and high density filtration. The method of impurities, the result is not good, the reason is: the amount of silica gel required is large, and it is more troublesome to deoil and dry the silica gel.
Some manufacturers have solved the above problems by experimenting with the cooling medium dewatering filter. The principle is to pump the silicone oil into a closed oil storage tank, which uses electricity to heat the heat transfer oil, and then Warming the medium, reducing the viscosity of the medium during heating, evaporating the water, and then discharging the steam through a vacuum pump, removing the water, then driving the activated carbon filter and the 0.2um titanium alloy filter through the high temperature resistant oil pump, and filtering through the two poles. Cool for use. The device is compact in structure, high in control automation, temperature and pressure can be arbitrarily set, suitable for processing of different media, after the determination of the viscosity of the silicone oil, and then re-injected into the dropping machine. Some manufacturers use the method of boiling, because the temperature control is not strict, it is easy to gelatinize the medium, which affects the roundness of the dropping pills in the molding process.
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