Air and nitrogen conversion device for box-type atmosphere-controllable multi-purpose furnace during outage
A multi-purpose furnace and nitrogen technology, used in quenching devices, furnaces, heat treatment furnaces, etc., can solve problems such as power failure and inability to lift, and achieve the effect of ensuring safe use and simple device structure
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[0008] like figure 1 Shown is a box-type controllable atmosphere multi-purpose furnace air and nitrogen conversion device when the power is cut off. A nitrogen valve 1 is installed on the branch nitrogen pipe. One end of the branch nitrogen pipe is connected to the general nitrogen pipe, and the other end is connected to the air pipe. Connect another air valve and nitrogen valve 2 to the air pipe. When the power is suddenly cut off, the air valve should be closed first. Open the nitrogen valve 1, nitrogen with a certain pressure enters the air pipe through the branch nitrogen pipe, and use manual operation to replace the air with nitrogen to ensure that the furnace door, oil cylinder and lifting platform of the box-type controllable atmosphere multi-purpose furnace can be lifted normally. After the power is restored, close the nitrogen valve 1, open the air valve and nitrogen valve 2, and when the residual nitrogen in the air pipe is released through the nitrogen valve 2, clo...
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