Coal mine ventilation adjusting device

• Main Authors: ZHANG TAO, NIU MINGXING, PEI JIAN, ZHAO LU
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SEPARATION; TRANSPORTING

The utility model relates to the technical field of ventilation adjusting devices, in particular to a ventilation adjusting device which comprises a sleeve, an equipment box and an air inlet pipe, an adjusting mechanism is installed on the sleeve, the air inlet pipe and an air outlet pipe are instal...