The heat exchanger is composed of a cooling device and a pressure reducing device on the basis of a plate heat exchanger, and the first heat exchange of the high steam or high temperature water is reduced by the regulator to be lower than 150 ° C. Enter the plate heat exchanger for heat exchange, suitable for high temperature steam and high temperature water (above 150 °C). This type of device plate heat exchanger has the advantages of both temperature reduction and pressure reducer. The heat exchanger is more fully exchanged for heat.

In order to reduce energy consumption, an air heat exchanger is arranged in the flue to recover a large amount of waste heat in the flue gas, thereby saving fuel, reducing production cost, increasing combustion temperature and increasing furnace output. The air heat exchanger is an ideal equipment for waste heat utilization, and is widely used in various industrial furnaces such as steel rolling furnaces, heat treatment furnaces, and forging furnaces. There are many types of furnace air heat exchangers.

At present, most of them use metal heat exchangers. The air heat exchangers use the exhaust heat from the kiln to preheat the air to a certain temperature and then return to the furnace for combustion or Used for other devices. The metal heat exchanger has the characteristics of small volume, high heat exchange efficiency, good rigor, and simple structure.

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