Vertical wind shaft explosion-proof door

Vertical shaft explosion-proof door mine explosion-proof door Vertical shaft explosion-proof door price Vertical shaft explosion-proof door manufacturer
Vertical shaft explosion-proof door specifications and models
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The explosion-proof door of the vertical wind shaft is used at the head of the vertical wind shaft. When the fan stops running, the explosion-proof door can automatically rise. When a disaster occurs in a mine, the explosion-proof door can automatically open to release energy and protect the main fan from damage.
In mines, when vertical shaft extraction ventilation is used, an explosion-proof door is installed on the air shaft lock plate, which is an important safety facility set up to protect the ventilator. Under normal circumstances, the explosion-proof door rests freely on the air shaft lock plate. When a gas or coal dust explosion occurs underground, the high-pressure airflow opens the explosion-proof door to reduce the airflow pressure and protect the ventilator from damage. When air return is needed, move the return air pressure plate to tighten the explosion-proof door, and air return can be carried out in time.
The blasting cap adopts a conical structure and is composed of four parts, six parts, eight parts, etc. Each part is welded and formed by a steel plate and angle steel
The hammer device is composed of a weight frame, a pulley, and a counterweight
/> The sealing method adopts a steel plate welded outer ring fixed with a thick rubber plate seal
The air device is a pressure plate type
Shandong Yimei Machinery Equipment Manufacturing Co., Ltd. sells various mining doors, mine cars, brackets and other mining area supplies ,Assured quality, best price. Hurry up and pick up the phone for consultation!
Contact Fan Li
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Address South Mechanical and Electrical Road, High-tech Zone, Jining City, Shandong Province