Disaster reduction control system of explosion door of underground return air main roadway

Abstract

The invention relates to a disaster reduction control system of an explosion door of an underground return air main roadway. The disaster reduction control system is composed of a control device, an electrical dynamic impact device, a gantry type explosion door and a glass explosion door. The control device is connected with signal cables of the electrical dynamic impact device fixed on the glass explosion door and magnetic clutch device of the gantry type explosion door; the electrical dynamic impact device is fixed with four-corner fitted bolts of the glass explosion door; the control device is composed of a collection box and a control box; the electrical dynamic impact device is composed of an outer casing, a spring, a front pressure cover, a piston A, a piston B, a coil, a rear cover and a compact iron; the gantry type explosion door is composed of an abnormity metal door frame, the magnetic clutch device, a hang ring, an explosion door plate, sealing strips, a slideway and pulleys; and the glass explosion door is composed of a metal door frame, the sealing strips, a glass door plate, door hinges and the electrical dynamic impact device. With the adoption of the disaster reduction control system, the glass explosion door is crushed by the device to release strong shock wave in the explosion moments, and a main fan room is closed to avoid shock and damage so that air supply is recovered in time after a disaster and the time for disaster relief is obtained.

Description

technical field [0001] The invention relates to a safety control device for underground disaster prevention and reduction, in particular to a disaster reduction control system for an explosion-proof door of an underground return air main roadway. Background technique [0002] The main return air roadway produced by the mine is a relatively closed circulation system. The air shaft continuously inputs the wind to the underground, and the main fan room continuously extracts the air to form an air circulation in the underground. Under normal circumstances, there is an iron plate explosion-proof door at the rear end of the main return air passageway to close the main return air passageway, and this door is not usually opened at will. Once an abnormal explosion or other strong airflow occurs underground, due to its barrier, the explosion pressure will be instantly released through the main fan room. In this way, the main fan machine room will be destroyed, and the underground ven...

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Problems solved by technology

In this way, the main fan room will be destroyed, and the underground ventilation will be destroyed. The rescue after the accident cannot be carried out in time due to the lack of wind.

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