According to Nandan County, at 03:20 on October 29, the Nandan County Emergency Management Bureau received a telephone report from the County Public Security Bureau saying: a public security bureau surnamed Duan called that his family was trapped in the No. 2 entrance of Qingda Xiyuan Mining Investment Co., Ltd., Nandan County, and about 10 people were trapped and asked the relevant departments to carry out rescue. After receiving the report, Nandan County started emergency response at 05:30 according to the accident, and Hechi Municipal Government launched Class III emergency response at 06:30. The head of the state emergency department and the main leaders of the party committee and government of the autonomous region have issued important instructions and instructions on rescue work.

At 04:30 on the 29th, the temperature decreased from 42 ℃ to 37 ℃, the concentration of carbon dioxide decreased from 1% to 0.5%, and the oxygen content increased from 16.4% to 17%. Two professional rescue teams of 44 people in three shifts into the underground to carry out secondary collapse risk monitoring, safety monitoring and search and rescue construction and so on. However, at about 6 p.m., the downhole temperature rose to 45 degrees, and sulfur dioxide gas appeared, and rescue workers withdrew to the well to ensure safety. Rescue workers then adjusted the tuyere to increase air volume to reduce temperature and toxic gas concentration in order to search and rescue. Because of the collapse, It is still unclear how far the collapse is, and how far the trapped person is from the landslide is still unclear.

Field headquarters has mobilized 7 fire rescue vehicles,32 fire rescue personnel with lighting, life detection equipment, breaking equipment and other equipment to the scene standby, mobilize the city, county level 5 ambulances and medical personnel to the scene to prepare for the relevant rescue. The rescue is proceeding in a tense and orderly manner.

At 03:20 on October 29, Nandan County received a report from the masses that two people had died in Qingda Xiyuan Mining Investment Co., Ltd., Nandan County, Nandan County, Guangxi. Other trapped people are searching and rescuing.

According to the report of the Propaganda Department of the Nandan County Committee of the People's Republic of China, the emergency management office of the autonomous region, the main leader of the government of the river pool and the division of the natural resources of the autonomous region, and the county government of the county and county level of the county and the county level mainly lead the first time to organize and direct the emergency, public security, natural resources, health and the armed police of the city and county. There are more than 200 fire-fighting departments, as well as 10 rescue workers from the Squadron of the mine rescue team of Guangxi, and 11 rescue workers of the national mine area rescue team. More than 30 miners in the mining area are also involved in the rescue. As of 2:00 p. m., the number of two rescue teams increased to 46, and there were 40 rescue teams. Stand by. Uninterrupted rescue is under way.

At present, the accident rescue and disposal command has been set up on the spot, and the field rescue team, the field stability group, the medical support group, the accident investigation team, the logistics support group and the family care group have been set up to carry out the relevant work in an all-round way. The relevant data of the first hand underground were collected by the two professional rescue teams. The wellhead elevation was 717 meters, the height of the accident was 445 meters, the height of the roadway at the accident site was 2.2 meters, and the width was 2.5 meters. After analysis and judgment, the command formulated a rescue plan, the main measures are ventilation and cooling, detection and inspection of toxic and harmful gases, reinforcement of roadway, as soon as possible to the accident site to start rescue. After the rescue plan has been determined, two professional rescue projects have been established. The team immediately mobilized fans, air ducts and other equipment, materials into the roadway installation and ventilation.

According to Luo Songjun, captain of the Hechi Squadron of Guangxi Mine Rescue Brigade, the rescue work is very difficult because the site is 3.9 kilometers from the main lifting wellhead on the ground, the downhole temperature is high, the air quality is poor, and the oxygen content is low. Luo Songjun said that after receiving the report in the early morning of the 29th, they rushed to the scene on the basis of instructions from their superiors to start rescue. At 09:30 and 2.30 p.m. on the same day, rescuers used a life detector to detect the area of the roof fall accident and found no signs of life. And tried to contact the lower part of the mine by hammering the pressure duct, but there was no response.

According to the preliminary verification, the accident occurred at about 6.30 p.m. on October 28. Upon inquiry and inquiry, after receiving the accident report of the enterprise, the main responsible person of the enterprise organized the rescue, and did not report the accident to the public security, natural resources and emergency management departments and the local villages and towns in the south of the county in the first time, The exact time of the incident had not been reported as a matter of fact until the inspection team of the South Dandan County entered the enterprise at 4:10 a.m. on 29 October. The relevant personnel are asked and investigated by the public security and other departments, and the accident is preliminarily verified through a great deal of and detailed work until 1:00 pm on October 29. The birth time is about 6.30 p.m. on October 28. At the same time, in the course of investigation and inquiry, it was also found that the enterprise had hidden records of personnel entering the well after the accident, production records of the day, and so on, and preliminarily determined that the enterprise was suspected of concealing the accident.

(picture source:搜狗图片)

In terms of the number of people in distress, the relevant departments of the public security department are investigating and checking the information of the specific personnel. According to the situation of self-rescue and the latest inquiry of the enterprise after the accident, the initial verification of the trapped personnel is 11