Tunnel ventilation equipment

• Main Authors: DU LIFANG, LIU LUQI, GAO RUIFANG, HAO JINGWEI, MA SEN, HUO YAOWEN, QIAO JING, WANG CAILI
• Format: Patent
• Language: Chinese; English
• Published: 15.12.2023
• Subjects: BLASTING; EARTH DRILLING; FIXED CONSTRUCTIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; NON-POSITIVE DISPLACEMENT PUMPS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SEPARATION; TRANSPORTING; WEAPONS

The tunnel ventilation equipment aims to solve the problems that a filter screen needs to be detached and cleaned regularly, and the use and maintenance cost is high, and comprises a dust collection box, a fan and a cleaning device, the filter screen is arranged at the air inlet end of the fan, the dust collection box is arranged on the end face, away from the fan, of the filter screen, and the dust collection box is detachably and fixedly connected to a fan shell. The opening direction of the dust collection box faces the filter screen, the cleaning device comprises a high-pressure air nozzle, the cleaning device is arranged between the filter screen and the fan blades, and the air outlet direction of the high-pressure air nozzle on the cleaning device faces the filter screen and corresponds to the position of the dust collection box. The high-pressure tuyere on the cleaning device sprays high-pressure gas to the filter screen at regular time, so that dust on the filter screen is cleaned and stored in the du