Preheating device of single-bar heating furnace
A technology of preheating device and heating furnace, applied in the directions of preheating cost, lighting and heating equipment, furnace, etc., can solve the problems of high exhaust gas temperature, large fuel consumption, energy waste, etc. Heat transfer efficiency, reasonable effect of heat utilization
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[0022] The present invention provides a preheating device for a single-rod heating furnace. In order to make the purpose, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the protection scope of the present invention.
[0023] The direction of the arrows in the drawings is the flow direction of the high-temperature flue gas.
[0024] see Figure 1-Figure 3 , the present invention provides a preheating device for a single-rod heating furnace, which includes a chassis 1 and a preheating chamber 2 arranged on the chassis, and several flue gas circulation devices 3 are arranged in the preheating chamber, and the flue gas circulation The device 3 includes an air guide duct 31 and a retu...
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