For the recovery device of the stenter, the heat exchange chamber and the exhaust pipe of the machine and the stenter are communicated with the exhaust outlet that communicates with the heat exchange chamber and the shell, and the indoor heat exchanger is at a higher level, providing multiple For excellent heat exchange in the heat transfer pipes, the pipes are respectively connected to the upper end of the inlet chamber, with a plurality of lower heat levels inside the heat exchanger tubes, each lower end of the heat exchange pipe communicates with the intermediate chamber, and the other end Connected to the hot gas outlet.
The heat of the exhaust gas used now is preheated, when the air near the drying box is further heated to effectively use the gas to heat up, so the heat recovery efficiency is relatively high, it closes the blower outlet pressure cycle, so that the fabric surface quickly returns to zero, High output relays to make another relay pass through amplifying amperage, relays for each valve to trigger the oven heat extraction solenoid, for each sealed solenoid valve for closed ovens, on restart, start circulating fans stop output high level, the relay is de-energized and the solenoid valve is reset, the current operation steps are simple, and the transverse ventilation function is automatically performed.
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