Manufacturing method of heater system for blowing duct entrance

The utility model discloses an air heater system at the entrance of a blast duct, which comprises a waste water storage device, one end of the waste water storage device is fixedly installed with a circulating pump, and one end of the circulating pump away from the waste water storage device is fixedly installed with a heating device. The interior of the waste water storage device includes a box body, the inner wall of the box body is fixedly connected with a support block, the top of the support block is provided with a ceramic filter plate, and the outer wall of the ceramic filter plate is fixedly connected with the top of the support block, The inner wall of the box body is fixedly connected with an electric heating rod, one end of the box body is provided with a water inlet pipe, and the outer wall of the water inlet pipe is fixedly connected with the inner wall of the box body. The waste water storage device can process and store the waste water, which is convenient to collect and use the waste heat of the waste water, and use the waste heat in time. The heating device can use the waste heat in the waste water to heat the gas, electric heating rods and auxiliary heating The sheet can ensure the temperature of the gas at the inlet of the blast duct. Body temperature. Body temperature.

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