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A brief introduction to the classification of resistance furnaces

 Last Update: 2022-10-20
 Source: Internet
 Author: User

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Resistance furnace is an industrial furnace that uses electric current to heat the electric heating element or heating medium in the furnace
, thereby heating the workpiece or material.
It is a heating furnace
that uses an electric current to generate heat energy through a resistive material.
Resistance furnaces are used in the mechanical industry for metal forging before heating, metal heat treatment heating, brazing, powder metallurgy sintering, glass-ceramic roasting and annealing, low melting point metal melting, sand and paint film drying
, etc.
According to the electric heat generation mode, the resistance furnace is divided into two types
: direct heating and indirect heating.
Direct heating type direct heating resistance furnace refers to the current flowing directly through the heated material, so that it itself generates thermal energy
.
It is commonly used for graphitization of carbonaceous electrodes, dense sintering of refractory metals, etc
.
Indirect heating type indirect resistance furnace is a resistance furnace
in which the power supply is connected to the heating element or other conductive medium (such as molten metal salt), so that the heating element or conductive medium generates resistance heat, and the charge is indirectly heated through heat conduction, convection and radiation.

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