In order to effectively strengthen the safety production of dust-related explosion-related enterprises, urge enterprises to strictly implement the main responsibility, and effectively prevent and curb the occurrence of dust-induced explosion accidents, five typical law enforcement cases in the special inspection of dust-related explosion-related enterprises are first announced. Take everyone to learn the knowledge of dust explosion protection.
01
An aluminum composite strip technology company in Haicang District failed to establish a dust explosion-proof safety management system in accordance with the regulations, and the employees violated the safety operation procedures
On January 18, 2024, the Xiamen Municipal Emergency Management Bureau carried out a special law enforcement inspection of a dust-related explosion-related enterprise of an aluminum composite strip technology company in Haicang District. After investigation: 1. The employees of the enterprise violated the operating procedures and used iron tools to clean up aluminum dust, violating the provisions of 11.7 of the "Technical Specifications for Explosion-proof Safety of Mechanical Processing Dust of Aluminum and Magnesium Products" (AQ 4272-2016); 3. The enterprise failed to carry out special safety production education and training on dust explosion prevention for the relevant persons in charge and relevant employees of dust operation positions in accordance with the regulations, violating the provisions of Paragraph 1 of Article 28 of the "Work Safety Law of the People's Republic of China" and the provisions of Paragraph 1 of Article 8 of the "Safety Regulations on Dust Explosion Prevention of Industry and Trade Enterprises"; 4. The enterprise failed to formulate an emergency rescue plan for dust explosion accidents and conduct drills, violating Article 81 of the "Work Safety Law of the People's Republic of China" and the "Safety Regulations on Dust Explosion Prevention of Industry and Trade Enterprises" Article 10.
The Xiamen Municipal Emergency Management Bureau issued a "Rectification Instruction within a Time Limit" to the enterprise, ordering the enterprise to make corrections within a time limit and filing a case for investigation of the suspected illegal acts.
02
The polishing and grinding workshop of an electronics limited company in Jimei District did not install the flow rate monitoring and alarm device of the metal dust wet dust removal system in accordance with the regulations, and did not take measures to eliminate hidden dangers
On January 24, 2024, the Xiamen Emergency Management Bureau carried out a special law enforcement inspection of a dust-related explosion-related enterprise for an electronics company in Jimei District. After investigation, the polishing and grinding workshop on the first floor of the enterprise did not install the flow rate monitoring and alarm device of the metal dust wet dust removal system in accordance with the regulations, which constituted a hidden danger of the accident and did not take measures to eliminate it, violating the second paragraph of Article 41 of the "Work Safety Law of the People's Republic of China", the second paragraph of Article 15 of the "Safety Regulations on Dust Explosion Prevention of Industry and Trade Enterprises" (Order No. 6 of the Ministry of Emergency Management) and the provisions of 8.4.10 of the "Dust Explosion-proof Safety Regulations" (GB15577-2018).
The Xiamen Municipal Emergency Management Bureau issued a "Rectification Instruction within a Time Limit" to the enterprise, ordering the enterprise to make corrections within a time limit and filing a case for investigation of the suspected illegal acts.
03
The installation of safety equipment of an industry and trade limited company in Tong'an District does not meet national standards, constituting a major accident hazard
On January 24, 2024, the Xiamen Municipal Emergency Management Bureau, together with the Tong'an District Emergency Management Bureau, carried out a special law enforcement inspection of a dust-related explosion-related enterprise of an industry and trade company in Tong'an District. After investigation: 1. The air-locking ash discharge device of the dry dust collector of the enterprise adopts a non-explosion-proof motor, which violates the provisions of the second paragraph of Article 41 of the "Work Safety Law of the People's Republic of China", and should be judged as a major accident hazard according to Item 7 of Article 11 of the "Judgment Standards for Major Hidden Dangers in the Industry and Trade Industry"; Article 8 of the "Regulations on Dust Explosion Prevention Safety of Industry and Trade Enterprises".
The Tong'an District Emergency Management Bureau issued a "Rectification Instruction Letter" to the enterprise, ordering the enterprise to make corrections within a time limit and filing a case for investigation of the suspected illegal acts.
04
A plastic industry limited company in Xiang'an District failed to implement dust cleaning records in accordance with regulations, and there were potential safety hazards
On January 19, 2024, the Xiamen Municipal Emergency Management Bureau, together with the Xiang'an District Emergency Management Bureau, carried out a special law enforcement inspection of a plastic industry Co., Ltd. in Xiang'an District for dust-related explosion-related enterprises. After investigation, the enterprise failed to implement the dust cleaning record in accordance with the regulations, which violated the provisions of Article 18 of the "Dust Explosion-proof Safety Regulations for Industry and Trade Enterprises".
The Xiang'an District Emergency Management Bureau issued a "Rectification Instruction Letter" to the enterprise, ordering the enterprise to make corrections within a time limit and filing a case for investigation of the suspected illegal acts.
05
The special operation personnel of an environmental protection equipment Co., Ltd. in Xiang'an District did not undergo special safety operation training in accordance with the regulations, and obtained the corresponding qualifications to work on the job, which constituted a major accident hidden danger
On January 25, 2024, the Xiamen Municipal Emergency Management Bureau, together with the Xiang'an District Emergency Management Bureau, carried out a special law enforcement inspection of a dust-related explosion-related enterprise on a machinery manufacturing company in Xiang'an District. After investigation: the enterprise contracted the dust collector transformation + fan exhaust transformation project to an environmental protection equipment Co., Ltd. in Fujian, but Chen Moumou, a special operator of an environmental protection equipment Co., Ltd. in Fujian, used a forged special operation certificate to engage in electrical welding operations, which is an unlicensed operation, and should be judged as a major accident hazard according to the second item of Article 3 of the "Judgment Standards for Major Hidden Dangers in the Industry and Trade Industry".
The Xiang'an District Emergency Management Bureau issued a "Decision on On-site Treatment Measures" to the enterprise, ordering Chen Moumou to immediately stop the welding operation and file a case for investigation of the suspected illegal acts.
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Criteria for Determining the Hidden Dangers of Major Accidents in Industrial and Trade Enterprises
(Decree No. 10 of the Ministry of Emergency Management of the People's Republic of China)
Article 11 In any of the following circumstances, an industrial and trade enterprise with a risk of dust explosion shall be judged to be a major accident hazard:
(1) The dust explosion hazard site is set up in a multi-storey building (structure) that is not a frame structure, or the dust explosion hazard site has staff dormitories, conference rooms, offices, rest rooms, and other places where people gather;
(2) Different types of combustible dust, combustible dust, combustible gas, and other media that are prone to aggravate the danger of explosion share a set of dust removal systems, or different buildings (structures) and different fire protection zones share a set of dust removal systems, and the dust removal systems are interconnected;
(3) The dry dust removal system does not take any explosion prevention and control measures such as explosion venting, inerting, and explosion suppression;
(4) When the dust removal system of aluminum and magnesium and other metal dust adopts the positive pressure dust removal method, or other combustible dust dust removal systems use positive pressure to blow dust, no measures to prevent ignition sources such as spark detection and elimination are not taken;
(5) The dust removal system adopts a gravity settlement chamber for dust removal, or a dry roadway structure is used as a dust removal air duct;
(6) The dry dust removal system of metal dust such as aluminum and magnesium and wood dust is not equipped with an air-lock ash discharge device;
(7) The electrical equipment of dust explosion hazard places divided into 20 zones, such as dust collectors and dust collection bins, does not meet the explosion-proof requirements;
(8) Failure to set up a removal device for iron, stone and other debris in front of the process equipment such as crushing, grinding, granulation, etc., or a spark detection and elimination device is not set up in the air duct connected between the wood products processing enterprise and the sander;
(9) Failure to take ventilation and other measures to prevent the accumulation of hydrogen in the collection, stacking, or storage sites of spontaneously combustible metal dust when wet, or failure to take waterproof or moisture-proof measures in dry collection, stacking, and storage sites;
(10) Failure to implement the dust cleaning system, resulting in serious dust accumulation at the job site.