Roof fall accident in Qingshuiying Coal Mine in Ningxia: The rescue channel was tunneled for more than 20 meters, and the trapped persons received multiple food supplies

　　China News Service, Yinchuan, August 22 (Reporter Li Peishan) The reporter was informed of the latest progress of the roof fall accident at Qingshuiying Coal Mine in Ningxia on the morning of the 22nd. As of 7:00 am on August 22, the rescue channel had been tunneled by 20.7 meters, and a total of 21 racks were supported. Underground gas detection is normal, rescue materials are adequately prepared; trapped persons are in normal physical condition and emotionally stable.

　　At around 23:50 on August 19, a roof fall accident occurred at a working face of Qingshuiying Coal Mine of Ningxia Coal Company, National Energy Group, and 4 people were trapped in the accident.

The four trapped were Wu (squad leader, comprehensive excavator driver, age 33), Mu (roadway digging and masonry, comprehensive excavator assistant driver, age 28), and Bi (roadway digging and masonry, age 28). 27 years old), Ding Mou (roadway digging masonry, age 28 years old).

　　At 20:13 on August 20th, the four people were trapped for 20 hours. The rescue team used a drill rod to open a life-saving hole for transporting food, and delivered solid food such as ham sausage to the trapped person through the hole.

　　At 20:40 on August 20, the rescue team delivered food inward for the second time.

The trapped area has a good ventilation system, water and food, and the basic survival of the trapped people is guaranteed.

　　At around 7:00 am on August 21st, the trapped people passed out a note through the food delivery hole. The note stated that they were in good physical condition and thanked the rescuers and workers for their rescue.

　　At 20:47 on August 21, the rescue team delivered 20 hams, 20 popsicles, 20 milk sticks (liquid), 0.6 kilograms of cooked beef, and 5 lighting flashlights to the trapped persons.

　　At 21:56 on August 21, the rescue team delivered 24 hams, 0.5 catties of cooked beef, 13 chocolate bars, four broken apples, and 4 lighting flashlights to the trapped people. No food and supplies were delivered since then. .

　　At present, the roof of the trapped area is intact, and the gas temperature and air supply are normal. The rescue team is organizing excavation and construction in a safe and orderly manner. The overall rescue situation is stable and improving.

It is expected that the rescue channel will be completely opened in less than 10 meters and the trapped 4 people will be rescued.

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