The Shanghai Emergency Management Bureau issued a notice on the 20th, stating that after a production equipment collapse accident occurred in the factory area at No. 1001 Haixu Road, Pudong New Area, Shanghai on February 15, 6 people were trapped. After days of full search and rescue, the 6 trapped persons have been found, a family member of one victim said that two of his relatives were killed in the accident, aged 31.On February 17, the National Energy Administration reported the above accident. According to the trapped persons' family members and the report, the specific accident occurred around 22:45 on February 15. At that time, the bag filter of No. 2 boiler at Waigaoqiao Power Plant collapsed, trapping 6 workers from an external unit. On September 22, 2021, a collapse accident occurred in the dust collector area of No. 4 boiler at a power generation company in Hunan, causing 4 deaths. On September 23, 2014, a collapse accident of an electrostatic precipitator ash silo occurred in the shaft furnace workshop of a steel company's sintering plant in Tangshan, Hebei, causing 3 deaths, 1. Check whether the appearance of equipment such as silos, powder bins, ash hoppers, and ash conveying pipes is normal, whether there are defects such as ash leakage, and whether the conveying device is operating normally. 2. Report any abnormalities promptly, especially for areas with potential collapse risks (such as tail flues, silos, powder bins, ash hoppers, etc.), immediately organize the installation of hard isolation measures, and hang warning signs to prohibit personnel from staying or passing through. 3. For abnormal situations, each unit should organize a special analysis meeting, formulate reliable measures (such as shutdown), and only carry out defect elimination after lowering the material level.1. All units must attach great importance to on-site operations, strengthen risk identification and on-site safety control; if safe working conditions are not met, work must be stopped on site. 2. High-risk operations must strictly follow procedures and relevant requirements, ensuring that safety measures are implemented, work supervision is in place, and safety supervision is in place. 3. All units must strictly implement the "three talks and one implementation" system to ensure that safety measures are implemented and safety technical briefings are in place.3. Clear mud, blood clots, vomit, etc. from the mouth and nose of the injured, and pull out the tongue of unconscious injured to prevent suffocation. 6. Contact the 120 emergency center as soon as possible, provide detailed information on the accident location and severity, and send someone to the intersection to meet the ambulance. 7. Organize personnel to quickly relieve heavy pressure on the injured, reduce the occurrence of crush syndrome, and transfer them to a safe place.