Structure introduction: The box type tempering furnace shell is welded and manufactured by national standard steel plate and section steel. The furnace lining is made of ultra-lightweight high-aluminum energy-saving thermal insulation brick, combined with aluminum silicate fiber cotton composite furnace lining for insulation. The electric heating elements of the box-type tempering furnace are made of 0Cr25Al5 with long life design and high temperature resistance, and are arranged on both sides of the hearth and the bottom of the furnace. The furnace door is raised and lowered electrically or hydraulically. The small box type tempering furnace can also use the manual furnace door. When the furnace door is opened, there is a disconnection protection device to stop the power supply and heating. The microcomputer temperature control system is used to control the tempering process with high precision, and the entire process of tempering heat treatment from the furnace to the furnace is completed automatically.
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