Air pressure door preventing polluting gas from overflowing

Abstract

The invention relates to an air pressure door preventing polluting gas from overflowing. The air pressure door comprises two sliding type door plates of a push-pull door, ventilators, air pipes and a control system. The door plates are of hollow structures, and air outlets are formed in the periphery of each door plate. A box body is arranged in the corresponding door plate, and the air inflow quantity is automatically adjusted through the control system. Each box body communicates with the four air pipes, and the four air pipes communicate with the air outlets in the edges of the periphery of the corresponding door plate correspondingly. Opened-closed control is conducted on the four air pipes through the control system. An anti-dust net is arranged on the air inflow side of the corresponding ventilator, and air outside the door plates are extracted by the ventilators into the box bodies. An induction device capable of detecting an opened-closed condition is arranged on the corresponding door plate; when a closed condition of the corresponding door plate is detected by the induction device, the four air pipes are controlled to open by the control system; and when an opened condition is detected, the air outlets in the upper sides, the lower sides and the two sides departing from each other of the two door plates are controlled by the control system to enable the air not to outflow, and the air outlets of the opposite sides of the door plates are controlled by the control system to enable the air to outflow. According to the air pressure door preventing the polluting gas from overflowing, when the door is closed and opened, a continuous air curtain can be generated to insulate and block the inner and outer air, the air speed of the air curtain is automatically adjusted, and the air pressure door is applicable to preventing the polluting gas from overflowing.

Description

technical field [0001] The invention relates to an air pressure valve, in particular to an air pressure valve for preventing pollution gas from overflowing. Background technique [0002] In garbage dumps, production workshops and other places, there are often serious problems of odor or polluted gas overflow. Even when the gate is closed, there will still be odor emission, which interferes with people's lives. It is necessary to install air pressure doors to isolate polluted gases. Prevent spills. [0003] At present, the air-tight door is composed of air treatment equipment, ventilator, air duct system and air distributor, which mainly makes compressed air pass through the air curtain tube to form a dense air curtain to block the entry of outside air. Among them, the ordinary air curtain can only block the heat exchange inside and outside the door, but cannot prevent the pollution gas from spilling out; while the air-tight door used in the mine is installed in the refuge c...

AI Technical Summary

Problems solved by technology

The existing air-tight door cannot continuously form an air curtain to isolate and block the internal and external air when the door is opened and closed, and will still cause mutual influence between internal and external air, and cannot automatically adjust the size of the airflow

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