Tempering Furnace
A tempering furnace and furnace body technology, which is applied in the field of tempering furnaces, can solve the problems of easy deformation, high production cost, and large temperature deviation range in the furnace, so as to reduce heat loss, enhance heat utilization, and improve fuel utilization. Effect
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[0019] The present invention will be further described below in conjunction with accompanying drawing:
[0020] Referring to the accompanying drawings: this tempering furnace in the present embodiment includes a furnace body 1, a furnace cover 2 is provided at the top of the furnace body 1, an inner container 3 is provided in the furnace body 1, and an air circulation heating device 4 is provided on the furnace body 1 , the bottom end of the furnace body 1 is provided with a furnace 5,
[0021] A cavity 6 is provided inside the lower end of the furnace cover 2, and the bottom end surface of the furnace cover 2 is sealed and connected with the opening of the inner tank 3. A group of steel plates 7 with pin holes 8 are arranged on the bottom end surface of the furnace cover 2, and the pins on each steel plate 7 The holes 8 are matched with each other, the pin hole 8 is pierced with a pin rod 27, a group of ventilation holes 9 are opened on the bottom surface of the furnace cover...
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