GB 30756-2014Safety specification for nickel smelt production (English PDF)

4.1 Employees

4.1.1 shall be adaptability career choices and occupational health examinations to meet the job requirements.

4.1.2 shall be in accordance with the provisions of the "safe production training management approach", grading special health and safety education and training, the training of qualified appraisal Job work, education and training should include not limited to the following.

--- One skilled in the post-production process and the presence of hazardous and harmful factors and hazards that may arise, to take precautionary measures when necessary;

--- Master the knowledge of fire and fire-fighting equipment to use post required;

--- Proper use of post labor protection products, appliances;

--- Grasp emergency treatment and emergency care methods;

--- Learn injury and occupational disease prevention work positions that may arise.

4.1.3 engaged in the transport of dangerous chemicals and other drivers engaged in the transport of dangerous chemicals should be in accordance with the "dangerous chemical safety tube The provisions of Regulation reason "by the transport authorities passed the examination to obtain qualifications before they start to work.

4.1.4 special operations personnel according to relevant provisions of the state security agency specialized job training, obtain qualification certificates for special operations before Posts job.

4.1.5 Enterprise is responsible for safety and production management personnel, and the unit should have engaged in production and business activities to be safe Before serving knowledge of production and management capacity, in accordance with legal requirements to obtain the appropriate qualifications.

4.2 Management System

4.2.1 should be combined with their own reality, establish and maintain safety quantifiable production targets in file form.

4.2.2 the implementation of national laws and regulations, establish and improve the responsibility system for safety in production and management of production safety network, clear all levels, all kinds of people Members of production safety responsibility, to develop a regular safety education and training and examination of incentives and disincentives.

4.2.3 management of production safety should be set up agencies or appoint part-time safety management personnel of the security activities of enterprises with system Form to regulate the specific content should comply with relevant national laws and regulations.

4.2.4 should be established to identify and obtain safety laws, regulations, standards of channels and ways to ensure that their application and effective, and relevant Require timely conversion-oriented rules and regulations, and communicated to stakeholders.

4.2.5 should be based on the requirements of the production process, technology and equipment features of facilities and materials, products, and timely preparation of safe operating procedures, the development of The use of various types of equipment and facilities, scrap, dismantling regulations.

4.2.6 production system should be established to secure release of documents requisitioned registration system will be all kinds of rules and regulations related to the timely payment of work, specifications Employees job behavior.

4.2.7 should establish safe production implementation of relevant rules and regulations, operating procedures and other mechanisms for periodic inspection and evaluation, at least annually, and root According to the results of the assessment in a timely manner to the file, the system evaluation and revision, always ensure that consistent with site safety situation.

4.3 Operating environment

4.3.1 Enterprises should provide a good working environment for the operator. Environmental work area shall comply with the provisions of GB Z1; atmospheric environment should plant In line with the provisions of GB 3095; production operations process safety and health requirements should be consistent with the provisions of GB/T 12801 of.

4.3.2 workplace temperature, humidity, ventilation, illumination, noise, dust, toxic gases and other regulations should meet the following but not limited to the following content.

--- Workplace lighting should be sufficient illuminance values should be consistent with the provisions of GB 50034;

--- Ventilated workplace, shall comply with the provisions of GB 50019;

--- Temperature and humidity should be consistent with national laws and regulations;

--- Workplace occupational exposure to dust, toxic gases, etc., which limits should be consistent with the relevant provisions of GB Z2;

--- Workplace fire facilities should be kept intact, it shall comply with the provisions of GB 50140 and GB 15630;

--- Noise workplaces shall comply with the provisions of GB 12348, a variety muffler facilities work well.

4.3.3 runaround production operations should be strict management measures, and production of unrelated persons allowed to enter production by non-operating site.

4.3.4 workplaces should have special security channel.

4.3.5 Workplace utensils placed a smooth and orderly, clean and smooth surface, solid foot facility intact, pits, wells, pools should be set to cover or Fence, walkways on both sides must not have sharp edges or protruding objects.

4.3.6 The presence of radioactive workplace or use of radioactive sources for jobs should be GB 4075 to manage and use.

4.4 Security identity

4.4.1 job site should be configured properly regulate the use of secure identity. Security identification, safety colors should be consistent with the GB 2894 and GB 2893 Provisions.

4.4.2 identification of hazardous or dangerous place warning labels.

4.4.3 change, distribution sites should be established against electric shock safety signs.

4.4.4 hazardous chemical storage site should be set up eye-catching fire, explosion, anti-virus identification and emergency measures for identification.

4.4.5 storage of highly toxic chemicals, the use of premises should be located hazard warning, warning signs and inform the type of hazard, consequences and emergency measures identified.

4.4.6 high temperature, high pressure tank or pipelines, work area should be set to the appropriate safety warning signs.

4.4.7 pipeline should be set up across the road and the height limit media name, the flow of identity.

4.4.8 Equipment maintenance, cleaning up the site should be provided with clear warning signs.

4.4.9 Construction, lifting and other job site should be set to alert area, warning signs.

4.4.10 Other risk factors of production premises and related facilities, the equipment should also set up an obvious safety warning signs.

4.5 Other Requirements

4.5.1 not use the obsolete, prohibit the use endangers production safety technology and equipment.

4.5.2 Major Hazard registration filing should carry out regular testing, assessment, monitoring, and to develop contingency plans to inform employees and other relevant persons Members in emergency situations should take emergency measures.

4.5.3 should be equipped with the necessary labor protection, protective equipment, appliances, according to job requirements and job properties. Labor protection, protective equipment, utensils Configuration and management should comply with GB/T 11651 of.

4.5.4 Transport technology used in the production of chemicals, pharmaceuticals, toxic and harmful gases, storage, use and management should be in line with national Provisions.

4.5.5 operating the unit to deal with workplace parties to enter the job site personnel safety education and training before entering the field of possible exposure To hazards and emergency knowledge to educate and inform, and to do on-site guidance and protection.

5.1.1 Crushed mineral aggregate

5.1.1.1 confirm mineral aggregate transport belt, the feed inlet and reliable transfer of mineral aggregate and observation platform protection facilities, added the mineral aggregate meet the technical requirements.

5.1.1.2 into the crushing work site should wear head protection, dust protective equipment shall not be exposed to long hair, long sleeves.

5.1.1.3 start crushing equipment crushing cavity to ensure that when no mineral aggregate, mineral aggregate should be evenly added, should not overload or excessive feeding. Inter

5.1.1.4 Crushing equipment should set up a dedicated channel, and with the operation of equipment isolation area fencing, screens should be installed to use pulverized solid, reliable.

5.1.1.5 mineral aggregate blocking phenomenon occurs, should be shut down to clean, will not be part of the body or rod inserted into the crushing chamber sticks and other equipment running.

5.1.1.6 Do not touch, cross, wipe the equipment operation site.

5.1.2 Mineral aggregate drying

5.1.2.1 before feeding oven heating process requirements should confirm normal furnace conditions before feeding.

5.1.2.2 use of pulverized coal, heavy oil, natural gas and other flammable, explosive fuel combustion should remain stable, fully prevent smoke counterattack, deflagration.

5.1.3 Nickel matte smelting

5.1.3.1 furnace oven should be carried out before it is put to use, make sure the furnace to process requirements. Before the furnace and operations, to deal with the control system and safety Full devices, check to make sure safety before use.

5.1.3.2 open furnace smelting furnace furnace brick coping, steel furnace and the furnace for the wind, water, electricity, exhaust collecting, measuring instruments, plus Feeding equipment, cranes and other ancillary equipment and facilities rigorous inspection to confirm before the normal furnace.

5.1.3.3 Investment cuisine of stable performance, accurate measurement, the furnace pressure, air flow in line with this type of furnace smelting process requirements before proceeding nickel matte smelting, Explosive materials is strictly prohibited, excessive water or aqueous material added to the furnace.

5.1.3.4 the production process to maintain the furnace exhaust, dust collection, ventilation flow, vacuum technology and meet environmental requirements, and the cooling water flow out of the furnace The amount and temperature monitoring to ensure the normal cooling element.

5.1.3.5 the production process, should always be within the furnace and its ancillary equipment, facilities and furnaces frozen layer, the Senate matte surface, other processes of slag surface Number of monitoring, it is in a controlled state, unusual take appropriate measures immediately.

5.1.3.6 production process should establish an emergency or special job control program to deal with the process anomalies that may arise.

5.1.3.7 smelting furnaces and melt pit safety should remain within the control of the security leak dried, without water, water storage or water damage. Strict control

5.1.3.8 Nickel smelting furnace flue gas temperature meet the technical requirements to ensure a uniform dross furnace wall. Furnace cooling water leakage member Should immediately cut off the water supply cooling member, Drainage is treated to prevent water from entering the furnace.

5.1.3.9 melt discharge should ensure burning mouth, closure work equipment, industrial equipment and facilities in good condition, full of emergency supplies and personnel appropriate security Place before discharge.

5.1.3.10 discharge process occurs around the cooling member outlet smoke, turn to spend a nickel melt water, equipment failure abnormal, treatment should be immediately and closure work. When

5.1.3.11 slag water quenching, to ensure slag water temperature, pressure, flow, etc. meet the technical requirements, slag, slag equipment, facilities and testing means Home intact.

5.1.3.12 melt of nickel matte using a dedicated water bag costumes, transfer, dressed only after high-temperature melt water should be the nickel dross on the melt of nickel matte surface water Along should be kept a safe distance. When

5.1.3.13 and tipping into the high-temperature melt, people close to prohibit, keep a safe distance. Before

5.1.3.14 Nickel water and spreaders, you should check the physical appearance, not use damage, cracks nickel and water spreader.

5.2.2 Electrolytic Nickel

5.2.2.1 Regional production flow, logistics, traffic lanes should pass.

5.2.2.2 starting pole piece machining process should be good protection against crushing, scratching.

5.2.2.3 ensure that the spreader lifting operations anchorage firmly linked, warning bell should be run, staff and maintain a safe distance from the crane.

5.2.2.4 electrolyzer stand on slow, can not reverse the job, the job to prevent the shooting hurt electrolysis.

5.2.2.5 Electroless nickel scalding when, after bundling should be securely locked, the hoisting device safe and secure.

5.2.2.6 staff and moving machinery, hoisting apparatus to maintain a safe distance to prevent extrusion, bumps.

5.2.3 Nickel salt solution

5.2.3.1 Practices by device operating various types of equipment, open stop orderly and proper operation.

5.2.3.2 feed solution should be added to meet the technical requirements should not overflow or splash.

5.2.3.3 work area proper ventilation, no pyrotechnics, non-metal objects hit each other, it is strictly prohibited by falling objects from a height.

5.2.3.4 scene organics leakage should be promptly cleaned up and controlled ambient temperature within the allowable range, shall not be stacked around flammable materials.

5.2.3.5 pH-related workplace should be ventilated, wear protective equipment when operating properly, shall not exceed acids, alkalis and organic, high temperature liquid pool.

5.2.3.6 feed valve pressure filtration apparatus, inlet valve, high pressure valve at the same time can only open one, and should slow opening slow closing, forbidden excessive force.

5.2.3.7 evaporator feed, more than expected to ensure that the process should be limited, the job should evaporate slowly open the steam valve, overpressure prohibited.

5.2.3.8 When testing nickel solution process indicators, should wear goggles to prevent steam burns.

5.2.3.9 centrifugation Workers should not have long hair, to prevent the risk of injury roll.

5.2.3.10 crystal was dried feeding should be uniform, slowly open the steam valve to prevent steam burns too fast.

5.2.3.11 grain dust screening should take measures to avoid harming people or flying dust pollution. When

5.2.3.12 equipment operation can not remove the inlet chamber aggregate foreign matter.

5.3 gasification metallurgical

5.3.1 Gas Preparation

5.3.1.1 oven before production should ensure that the furnace conditions meet the technical requirements.

5.3.1.2 into the furnace material shall meet process requirements.

5.3.1.3 control system and safety devices after confirming safety point before the furnace.

5.3.1.4 production process, should always check the equipment operating conditions.

5.3.1.5 furnace jacket cooling water leakage, immediately stop sending oxygen.

5.3.2 Raw gas compression

5.3.2.1 Open compressor equipment shall comply with the safety requirements of the process.

5.3.2.2 or newly installed piping and containers after repair of the compressor should purge segment, replacement, meet the technical safety requirements.

5.3.2.3 various safety accessories should be complete, intact, and reliable.

5.3.2.4 When the air pressure test should be isolated from the production system.

5.3.2.5 non-compressor over-temperature, over-pressure operation.

5.3.2.6 for an emergency stop gas leakage occurs, should immediately cut off the compressor power distribution room.

5.3.3 Oxo synthesis

5.3.3.1 System-wide pressure and tightness test, ensure compliance with safety and technological requirements, non-super design temperature and pressure operation.

5.3.3.2 synthesis pressure relief vent, relief operations to be slow and steady, and avoid too much too fast.

5.3.3.3 Non heat, with pressure synthesis reactor dismantling and securing the cover and other ancillary equipment.

5.3.4 Nickel liquid distillation, decomposition

5.3.4.1 ensure rectification plant exploded on the device, the lower the pressure in line with process safety requirements.

5.3.4.2 distillation, liquid storage, the decomposition process is strictly prohibited over-temperature, over-pressure operation of the equipment.

5.3.4.3 splitter, evaporator and other heating equipment heating, cooling should be slow.

5.3.4.4 carbonyls liquid storage tank should be placed in the pool, the water level and carbonyls level should be controlled within the scope of process design requirements.

5.3.4.5 When fluid leaks, emergency measures should be required to deal with.

5.3.5 Waste Incineration

5.3.5.1 oven before production should make furnace conditions meet the technical requirements and confirmed its control systems and safety devices properly.

5.3.5.2 into the furnace material shall meet the technical requirements.

5.3.5.3 burning waste gas, waste non-continuous ignition time the ignition is unsuccessful, it should be replaced with a clean combustible furnace after ignition.

5.4 Packaging

5.4.1 Nickel plate-shaped electrode pack solid and reliable.

5.4.2 containing powder, granular, small block product bags, barrels, boxes should be sealed and firm, the product does not allow leakage of toxic and hazardous products should be the national phase Off policies on packaging and labeling instructions.

5.4.3 powder packaging operations shall take the necessary measures for dust protection. Carbonyl nickel powder packaging, further inert gas treatment process residual gas.

5.4.4 Products using automated packaging machinery, press equipment, facilities we...