Electric heating method roasting furnace with uniform heating temperature

Abstract

The utility model discloses a kind of electric heating roasting furnaces of heating temperature uniformity, including rack and roasting furnace main body, the roasting furnace main body is installed to rack, the roasting furnace main body includes heat shield, driving part, heating pipe and electric heating element, the heat shield is fixedly installed to rack, the both ends of the heating pipe are respectively penetrated and rotationally connected to the both ends of heat shield, the driving part is installed to rack and drives heating pipe rotation, the electric heating element is installed between heating pipe and heat shield.The utility model is rotated by driving part and drives heating pipe, and cooperate annularly evenly distributed electric heating strip, and the rotational speed of driving part is adjusted, to adjust the rotational speed of heating pipe, utilize guide bolt, realize different guide speed, so as to realize the device has the advantages that old sand roasting heating is more uniform, and control the residence time of old sand in heating area, heating time control is more accurate, improve finished product quality.

Images