Portable mine compressed air and water supply self-rescue device

• Main Authors: WEN TIEFENG, SHI LEI, SHI ZHIQIANG
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING; EARTH DRILLING; FIRE-FIGHTING; FIXED CONSTRUCTIONS; HUMAN NECESSITIES; LIFE-SAVING; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model belongs to the technical field of coal mine safety equipment, and relates to a portable mine compressed air water supply self-rescue device which comprises a box body, and an air supply device and a water purification device are arranged in the box body. The air supply device comprises an air inlet header pipe, a pressure ventilation pipe communicated with an air inlet of the air inlet header pipe and extending to the ground, and a plurality of air inlet branch pipes communicated with the air inlet header pipe, the air inlet branch pipes are communicated with the protective mask, automatic pressure valves are arranged on the air inlet branch pipes and the protective mask, and an annular contact sensor is arranged on the protective mask; the contact sensor is electrically connected with the automatic pressure valve; an exhaust bag is arranged below the protective mask, and a positive pressure spring is arranged on an exhaust pipe of the exhaust bag; the water purifying device comprises a wate