Method for fast exchanging hydrogen after urgency purging of bell-type furnace
A bell-type furnace, fast technology, applied in the direction of furnace, heat treatment furnace, furnace type, etc., can solve the problems of reducing the production efficiency of bell-type furnace, increasing energy consumption, affecting the qualified rate of steel plate surface quality, and avoiding secondary annealing and repairing , saving energy, shortening the effect of furnace time
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[0017] The method for rapid hydrogen exchange after emergency purging in the bell furnace cooling stage of the present invention is mainly realized by using the original bell furnace annealing control computer and adding corresponding programs. Its specific method and steps are:
[0018] 1. Make the analog heating mantle signal plug.
[0019] Hydrogen exchange is the initial step in the annealing heating process of bell-type furnace. Therefore, even if there is no heating mantle for hydrogen change in the cooling stage, the heating mantle must be put on again before the heating process can be restarted. Therefore, the present invention adopts the method of simulating the heating mantle signal, that is, the signal plug on the scrapped heating mantle is removed, and used as the analog heating mantle signal plug to start the heating program.
[0020] 2. Compile the rapid hydrogen exchange control program for the bell-type furnace annealing control computer, including:
[0021] ...
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