State Administration of Safety Regulation issued
"Industry and trade industry major production safety accident potential criteria (2017(version) "notice
Superintendent of Safety four[2017]129号
Provinces, autonomous regions, municipalities directly under the Central Government and Xinjiang Production and Construction Corps Work Safety Supervision and Administration, relevant central enterprises:
To accurately determine and timely rectify the hidden dangers of major production safety accidents in industry and trade，We will effectively prevent and curb major workplace safety accidents，According to the Work Safety Law and the Opinions of the CPC Central Committee and The State Council on Promoting the Reform and Development of Work Safety，The State Administration of Safety Regulation has formulated the "Evaluation Criteria for Major Production Safety Accidents in the Industry and Trade Industry" (2017(hereinafter referred to as the "Criteria"), is hereby issued to you, please comply with。
The provincial safety supervision bureaus are requested to timely convey the requirements of this notice to the safety supervision departments at all levels within the jurisdiction, and the relevant central enterprises will timely convey the requirements of this notice to their production and business units。Safety supervision departments at all levels should, in accordance with relevant laws and regulations, take the "Judgment Standards" as an important basis for law enforcement inspections, strengthen law enforcement inspections, establish and improve the management and supervision system for major production safety accidents, and urge production and business units to eliminate major production safety accidents in a timely manner。
State Administration of Safety Supervision
2017年11月30日
Industry and trade industry major production safety accident potential criteria2017年版
This judgment standard is applicable to the judgment of major production safety accidents in the industry and trade industry (hereinafter referred to as major accident hazards), hazardous chemicals, fire fighting (fire), special equipment and other relevant industries have other provisions on the judgment standard of major accident hazards, applicable to its provisions。
Major accident hazards in the industry and trade industry are divided into special major accident hazards and industry major accident hazards, special major accident hazards are applicable to all relevant industry and trade industries, and industry major accident hazards are only applicable to the corresponding industries。
(1) Hidden dangers of special major accidents
First, there is a risk of dust explosion in the industry
1.Dust explosion hazard places are set in multi-story buildings with non-frame structures, or the safety distance from residential areas, staff dormitories, conference rooms and other densely populated places is insufficient。
2.Combustible dust and combustible gas and other media that can easily aggravate the risk of explosion share a set of dust removal system, and the dust removal systems of different fire zones are interconnected。
3.Dry dust removal system does not adopt any kind of explosion-control measures such as blasting, flameproof, inerting, and explosion suppression。
4.The dust removal system uses positive pressure to blow dust, and does not take reliable measures to prevent the ignition source。
5.Dust removal system adopts dust removal chamber, or adopts dry roadway structure as 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 a locked air unloading device。
7.No explosion-proof electrical equipment is used in Zone 20 of the dust explosion hazard site。
8.Before grinding, grinding, granulation and other process equipment that is easy to produce mechanical ignition source, the device for removing iron, stone and other foreign matter is not set up according to the specification。
9.In wood products processing enterprises, the air pipe connected with the sander is not equipped with a spark detection alarm device。
10.The dust cleaning system was not developed, and the dust accumulation on the work site was not cleaned up in time。
Second, the use of liquid ammonia refrigeration industry
1.The air conditioning system of packing room, division room, product finishing room and other production places with more personnel adopts ammonia direct evaporation refrigeration system。
2.The quick freezing device is not installed in a separate working room, and the number of workers in the working room is more than 9 people。
3. Industries related to limited space operations
1.The limited space work place is not identified and obvious safety warning signs are set up。
2.Did not implement the job approval system, unauthorized access to limited space operations。
(2) Hidden dangers of major industrial accidents
First, metallurgical industry
1.Meeting rooms, activity rooms, rest rooms, changing rooms and other places are set in the range affected by the lifting of molten steel, molten steel and liquid slag。
2.The crane for lifting molten iron, molten steel and liquid slag does not meet the relevant requirements of metallurgical cranes;When lifting heavy tanks of molten iron, molten steel or liquid slag in a steelmaking plant，Casting cranes without fixed gantry hooks，Gantry hook beam, trunnion pin and hook, wire rope and its end fixing parts，Regular inspections are not performed，Found that the problem is not rectified in time。
3.The trunnons of containers containing molten iron, molten steel and liquid slag (bags, POTS) have not been inspected regularly according to the requirements of national standards。
4.There is water in the safety pit in the smelting, smelting and refining production area and in the affected area of melt leakage and spatter, and there are inflammable and explosive items placed。Metal casting, continuous casting, casting processes are not provided with iron water tank, steel water tank, overflow tank, intermediate overflow tank and other high-temperature molten metal emergency discharge and emergency storage facilities。
5.The body and auxiliary facilities of furnace, kiln, tank and tank equipment are not regularly inspected, and serious weld cracking, corrosion, damage, lining brick damage, shell redness and obvious bending deformation are not reported or scrapped, and are still in use。
6.The oxygen gun and other water-cooled elements are not equipped with the difference detection of outlet temperature and inlet and outlet water flow, alarm device and temperature monitoring, and are not interlocked with the furnace body tilt, oxygen opening and closing。
7.Gas tank construction in densely populated areas, not far away from large buildings, warehouses, communication and transportation hubs and other important facilities;The auxiliary equipment and facilities are not equipped with explosion-proof equipment according to the requirements of fire and explosion-proof;No lightning protection device is installed on the top of the cabinet。
8.There is no fixed carbon monoxide monitoring and alarm device in the duty room and operation room of the gas area where personnel are concentrated。
9.The gas pipelines of blast furnace, converter, heating furnace, gas tank, dust collector and other facilities are not equipped with reliable isolation devices and purging facilities。
10.The upper branch of the gas distribution main is not equipped with a reliable cut-off device;For all kinds of gas pipelines in the workshop, there is no main pipe cut-off valve at the entrance of the workshop。
11.The main person in charge of the metal smelting enterprise and the safety production management personnel have not passed the examination according to law。
2. Non-ferrous industries
1.The cranes for lifting molten non-ferrous metals and slag such as copper water do not meet the relevant requirements of metallurgical cranes;Beam, trunnion pin and hook, steel wire rope and its end fixed parts are not inspected regularly, and problems are not dealt with in time。
2.Meeting rooms, activity rooms, rest rooms, changing rooms and other places are set in the copper water and other molten non-ferrous metals and slag lifting influence range。
3.The trunnons of containers (bags, POTS) containing molten non-ferrous metals such as copper water and slag are not regularly tested。
4.There is non-productive water in the safety pit in the smelting, refining and casting production area of high temperature molten non-ferrous metals such as copper water and in the influence range of melt leakage and spatter;Flammable and explosive materials are placed in areas where the melt is easy to splash。
5.There are no emergency discharge and emergency storage facilities for molten non-ferrous metals such as copper water in the casting and pouring process。
6.There are no emergency cooling measures such as emergency cooling water source for smelting furnaces, casting machines, heating furnaces and water-cooling elements working at high temperature。
7.The water cooling element of the smelting furnace is not equipped with the temperature, the difference of water flow in and out and the alarm device;No safety facilities to prevent large amounts of cooling water from entering the furnace (such as: quick shutdown valve, etc.)。
8.The body and auxiliary facilities of furnace, kiln, tank and tank equipment are not regularly inspected, and serious weld cracking, corrosion, damage, lining brick damage, shell redness and obvious bending deformation are not reported or scrapped, and are still in use。
9.The use of gas (natural gas) burner and other combustion devices, not equipped with a quick cut-off valve to prevent sudden flameout or ignition failure, to cut off the gas (natural gas)。
10.The main person in charge of the metal smelting enterprise and the safety production management personnel have not passed the examination according to law。
Third, building materials industry
1.The dust collector (or pulverized coal bin) of the coal mill in the cement factory is not equipped with temperature and carbon monoxide monitoring, or the gas fire extinguishing device is not equipped。
2.The manual clearance work of cement plant barrel storage was outsourced to a contractor who did not have the professional contracting qualification of aerial work engineering and did not carry out risk analysis before operation。
3.The gas kiln is not equipped with a gas low-pressure alarm and a quick cut-off valve, or the flammable and explosive gas accumulation area is not equipped with a monitoring alarm device。
4.Fiber products three-phase arc furnace, electric melting products electric furnace, water cooling component leakage。
5.When working in limited space such as cylindrical storage, mill, crusher, grate cooler, and various roasting kilns, effective isolation and protection measures are not taken to prevent accidental start of electrical equipment and hot gas influx。
6.There are water leakage and air leakage in the protection system of glass kiln, glass tin tank, water cooling and air cooling, and no monitoring and alarm device is set。
4. Machinery industry
1.Meeting rooms, activity rooms, rest rooms, changing rooms and other places are set in the melting furnace, molten metal lifting and pouring influence area。
2.The crane for lifting molten metal does not meet the technical conditions of the metallurgical casting crane, or two sets of brakes are not provided in the drive device。The beam of gantry hook, trunnion pin and hook and other parts of lifting pouring ladle were not inspected regularly。
3.Operation pits such as the bottom of the furnace, furnace pit and pouring pit are wet and stagnant, or flammable and explosive materials are stored。
4.The cooling water system of casting melting furnace is not equipped with temperature and inlet and outlet water flow detection and alarm device, and there is no safety facility to prevent cooling water from entering the furnace。
5.The operating part of the burner of the natural gas (gas) heating furnace is not equipped with a flammable gas leakage alarm device, or the combustion system is not equipped with a safety device to prevent sudden flameout or ignition failure。
6.The use of flammable and explosive diluents (such as Tianfeng water) to clean equipment and facilities, and failed to take effective measures to timely remove combustible gas gathered in limited Spaces such as trenches and pits。
7.Combustible gas alarm devices and explosion-proof electrical equipment are not provided in the painting and mixing room and spray painting room。
5. Light industry
1.Food manufacturing enterprises involved in drying, frying and other facilities and equipment, did not take anti-overheating automatic alarm cutting device and heat insulation protection measures。
2.Alcohol concentration detection and alarm devices are not set up in liquor storage and blending places。
3.Pulp manufacturing and paper making enterprises use water vapor or open flame to directly heat the cylinder vaporizing liquid chlorine。
4.The gas kiln of the daily glass and ceramic manufacturing enterprises is not equipped with a gas low-pressure alarm and a quick cut-off valve, or the monitoring alarm device is not set in the flammable and explosive gas accumulation area。
5.The furnace and kiln equipment body and auxiliary facilities of daily glass manufacturing enterprises are cracked, corroded, damaged, damaged lining bricks, red shell and obvious bending deformation。
6.Ventilation devices and explosion-proof electrical equipment are not set up in the spray workshop and paint mixing room。
6. Textile industry
1.The vaporization chamber, gas storage tank, oil storage tank, heat medium furnace and other heat setting processes of yarn, thread and fabric processing such as singeing, opening and drying are not clearly separated or separately set up from the production and processing and human-intensive places。
2.Dangerous goods such as insurance powder, hydrogen peroxide, sodium chlorite, white carving powder (suspended white block) are stored mixed with contraindicated materials;Insurance powder is stacked in the open air, or the storage place is not waterproof, moisture-proof and other measures。
7. Tobacco industry
1.Before fumigation and insecticidal operation, it was not confirmed that all irrelevant personnel were evacuated from the warehouse, and the operators were not equipped with gas masks。
2.The production lines and places where liquid carbon dioxide is used to produce expanded tobacco are not equipped with carbon dioxide concentration alarm meters, gas concentration alarm meters, and emergency linkage exhaust devices。
8. Business industry
Failure to follow the standard operation steps or take effective protective measures during grain entry and exit operations in room type silos, silos and simple silos。
