Air cooling system for horizontal vacuum high-pressure air quenching
An air-cooling system, high-pressure gas technology, applied in the direction of quenching agent, quenching device, heat treatment equipment, etc., can solve the problems of fast cooling of external workpiece, slow cooling of workpiece, slow cooling of internal workpiece, etc., to improve cooling uniformity, The effect of reducing workpiece deformation
Inactive Publication Date: 2020-04-21
BEIJING RES INST OF MECHANICAL&ELECTRICAL TECH
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The invention discloses an air cooling system for horizontal vacuum high-pressure air quenching. The air cooling system comprises a fan, an impeller, a volute, an air inlet pipeline, an air inlet channel, an air door I, an upper air channel, an upper small heat shield, an air door II, an air return channel, a heat exchanger, an air return pipeline, a lower air channel, a lower small heat shield and the like. The heat exchanger is arranged in a closed shell on an outer side of a furnace body and is connected in series in the air return pipeline; the upper small heat shield and the lower small heat shield are of translation structures and are driven by a cylinder, and the upper small heat shield and the lower small heat shield are closed during heating and opened during cooling; the air doorI and the air door II are installed in the air inlet channel and the air return channel separately, are translation type structures and are driven by the air cylinder. Through the movement of the airdoor I and the air door II, the air inlet channel can be communicated with the upper/lower air channel, and the air return channel is communicated with the lower/upper air channel, so that switchingof cooling airflow directions in the air quenching process is realized. And the cooling uniformity in the gas quenching process is improved, so that the uniformity of the structure and performance ofa workpiece is improved, and the deformation of the workpiece is reduced.
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