The latest progress in the rescue of the roof fall accident in Qingshuiying Coal Mine in Ningxia: At present, the regional ventilation system is normal. Today (August 22nd) 7 o'clock monitoring results show that the temperature is 25℃, carbon dioxide 0.24%, carbon monoxide 0ppm, oxygen 19.2%, methane 0%, gas Monitoring is normal.
Through drilling, rescuers have delivered food to the trapped area many times, including ham sausage, chocolate bars, popsicles, milk bars, apples, cooked beef, etc.
This morning, the trapped persons reported their safety to their families through recording.
At present, the four people have been trapped for more than 60 hours, and the rescue channel has been dug more than 27 meters. The trapped people are expected to rise to the well on the 22nd.
At around 23:50 on August 19, a roof fall accident occurred at a working face of the Qingshuiying Coal Mine of Ningxia Coal Company, National Energy Group, and 4 people were trapped in the accident.
(Headquarters reporter Wang Jingfang Niu Qiaogang Tao Pengfei Fu Bowen Xu Sheng Li Haonan Yinchuan Station Bao Chenglong)