Annealing furnace switching system
An exchange system and annealing furnace technology, applied in furnaces, furnace types, heat treatment furnaces, etc., can solve the problems of low utilization rate of gas heat and energy waste, achieve high heat utilization rate, obvious energy saving effect, improve service life and The effect of running the effect
Active Publication Date: 2015-08-19
ZHEJIANG ZHONGJI FOUNDRY & FORGING
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[0002] The annealing in the existing forging process is generally to transport the workpiece into the annealing equipment through the roller body, and then pass through the preheating zone, heating zone, fast cooling zone, spheroidizing annealing zone and cooling zone in turn, and then back through the lower The material is unloaded by the feeding device, in which the preheating zone, heating zone, fast cooling zone, spheroidizing annealing zone and cooling zone are all heated and cooled by flowing gas, and the completed gas is treated and discharged as waste gas. The heat utilization rate is low, and the energy waste generated is much
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[0029] Examples, see e.g. Figures 1 to 8 As shown, an annealing furnace exchange system includes a loading table 10, an annealing furnace main body 20 and a blanking device 30, and the annealing furnace main body 20 is sequentially provided with a preheating zone 1, a heating zone 2, a fast cooling Zone 3, spheroidizing annealing zone 4 and cooling zone 5, the feeding table 10 is in front of the preheating zone 1, and the unloading device 30 is behind the cooling zone 5;
[0030] The top of the front end of the preheating zone 1 is provided with a cold air outlet 11, the top of the front end of the preheating zone 1 is fixed with a cold air fan 12, and the air inlet of the cold air fan 12 communicates with the cold air outlet 11, the preheating zone 1 The top of the rear end is provided with a hot air inlet 13;
[0031] The outer casing of the fast cooling zone 3 is fixed with a heat exchange device 6, the heat exchange tube 61 of the heat exchange device 6 extends into the ...
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The invention discloses an annealing furnace switching system which comprises a feeding platform, an annealing furnace main body and a discharge device, wherein a preheating area, a heating area, a rapid cooling area, a spheroidizing annealing area and a cooling area are arranged in sequence from front to back in the annealing furnace main body; a cold air outlet is formed above the front end of the preheating area; a cold air sucking fan is fixed at the upper part of the front end of the preheating area; the air inlet of the cold air sucking fan is communicated with the cold air outlet; a hot air inlet is formed above the rear end of the preheating area; a heat exchange device is fixed on the outer shell of the rapid cooling area; the heat exchange tube of the heat exchange device extends into the rapid cooling area; an air inlet vent machine is communicated with the air inlet end of the heat exchange device. By adopting the annealing furnace switching system, cold air at the front part of the preheating area can be introduced into the cooling area for utilization, the hot air at the front part of the cooling area can be fed into the rear part of the preheating area for providing preheating, and the hot air after heat exchange can be introduced into a workpiece on the feeding platform, so that the workpiece can be preheated firstly, the damp of the workpiece can be removed, the heat utilization rate is high, and the energy conservation effect is remarkable.
Description
Technical field: [0001] The invention relates to the technical field of forging annealing equipment, in particular to an annealing furnace exchange system. Background technique: [0002] The annealing in the existing forging process is generally to transport the workpiece into the annealing equipment through the roller body, and then pass through the preheating zone, heating zone, fast cooling zone, spheroidizing annealing zone and cooling zone in turn, and then back through the lower The material is unloaded by the feeding device, in which the preheating zone, heating zone, fast cooling zone, spheroidizing annealing zone and cooling zone are all heated and cooled by flowing gas, and the completed gas is treated and discharged as waste gas. The heat utilization rate is low, and the energy waste generated is much. Invention content: [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an annealing furnace exchange syste...
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IPC IPC(8): C21D1/26C21D9/00
Inventor 王峰薛晶王仁东黄涛
Owner ZHEJIANG ZHONGJI FOUNDRY & FORGING