Selection of heating materials for vacuum hot press furnace

Vacuum hot pressure furnace is a kind of equipment widely used in the petrochemical industry, which is used for cracking reaction and can also be used as heating equipment. The structure of chemical reaction and heating tube furnace is basically the same.

How to select heating materials of vacuum hot press furnace?

Vacuum hot press furnace is mainly suitable for sintering of electronic ceramics and high temperature structure ceramics, fine annealing and microcrystallization of glass, preparation of ceramic glaze, fine annealing of crystals, powder metallurgy, sintering of nano materials, quenching of metal parts and all heat treatment requirements of rapid temperature rise process. It is the ideal test and production equipment of universities, scientific research units, industrial and mining enterprises.

The vacuum hot press furnace is mainly composed of furnace body, furnace tube, furnace chamber and other components. The furnace body adopts the structure of double shell, and the fan is installed between the double shell, which can quickly rise and cool down, and the surface temperature of the furnace shell is low. The furnace tube is made of quartz tube, both ends are sealed with stainless steel flange; The heating furnace is composed of upper and lower parts. The upper part of the furnace can be turned back 110°, which is convenient for the disassembly and installation of the furnace tube. The direction of the furnace tube can be lifted up and down, which is convenient for taking test materials and replacing the furnace tube.

The selection of electric heating materials of vacuum hot pressure furnace is also a knowledge. Next, let me change to teach you how to select electric heating materials of vacuum hot pressure furnace.

1. Although the temperature of the vacuum hot press furnace is very high, when the tubular heating furnace stops working, its temperature will drop to a very low level, so the electric heating data are required to have the characteristics of rapid cooling resistance.

2. The resistance temperature coefficient should be small. When the temperature of the vacuum hot press furnace changes, its resistance should be stable.

3. Electric heating materials should have relatively high corrosion resistance, and furnace lining and furnace gas will not have biochemical reaction in high temperature environment. It also has the characteristics of not being easily oxidized and evaporated.

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