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29 2020-09

Casting machine ventilation system

The production cost of polyimide film casting has continued for many years. The traditional equipment production style has been continued for many years. The fan draws natural air into the pipe, and the air is heated by a heater to 180NC-230C ℃ and then passed into the casting machine. The exhaust fan extracts the exhaust gas mixed with evaporated solvent after operation, and then cools the gas to room temperature through the cooling of chilled water, and then discharges it. Because heating the air at room temperature to 180C-230C requires the energy of the big stars, and reducing the hot air from 180C-230C to room temperature requires a large amount of chilled water, the production energy consumption is high, and the cost is high. In order to overcome the shortcomings in the prior art, a casting machine ventilation system that can recycle the heat energy of exhaust gas, reduce energy consumption, and thereby reduce production costs is provided. The casting machine ventilation system includes a fan, a heater, an exhaust fan, and an exhaust cooling system, and is characterized in that it also includes a heat exchanger, and the air outlet of the fan is connected to the air inlet of the heat exchanger. The air outlet of the heat exchanger is connected to the gas inlet of the heater, the gas outlet of the heater is connected to the gas inlet of the casting machine, and the exhaust port of the casting machine is connected to the exhaust gas of the heat exchanger. The exhaust gas outlet of the heat exchanger is connected with the gas inlet of the exhaust gas cooling system, and the gas outlet of the exhaust gas cooling system is connected with the gas inlet of the exhaust fan. The casting machine ventilation system can use the heat energy of the exhaust gas to heat the air entering the casting machine, which can reduce production energy consumption, reduce the consumption of cooling water, and reduce production costs
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