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Pit furnace is the simplest kind of carburizing furnace. It is cylindrical in shape and equipped with stirrin...
brief introduction ：
Pit furnace is the simplest kind of carburizing furnace. It is cylindrical in shape and equipped with stirring fans at the bottom or top of the furnace. Workpieces and fixtures or baskets made of heat-resistant steel are manually loaded out of the furnace with a crane or hoist from the furnace roof.
The carburizing furnace is composed of furnace shell, furnace lining, furnace cover lifting mechanism, furnace sealed fan, muffle tank, heating element and electric control system.
The furnace shell is welded by steel plate and section steel.
The furnace lining is an energy-saving composite structure made of 0.6g/cm3 high-strength ultra-light energy-saving refractory bricks, aluminum silicate fiber, diatomite insulation bricks and asbestos boards.
The furnace cover lifting mechanism is composed of motors, gear pumps and other components. When the furnace cover is opened, only the button on the control box is pressed, and the furnace cover rises at a speed of 30-70 mm/sec.
For safety, two travel switches are installed on the lifting shaft. When the furnace cover is raised, the lower travel switch automatically cuts off the main circuit power supply of the carburizing furnace control cabinet, so that the heating element stops working while the upper travel switch limits the lifting shaft. The raised height to prevent the lifting pump from being raised too high and falling out.
Application:
