GB 30078-2013Safety specification for wrought aluminum and aluminum alloy ingots production (English PDF)

4.1 Plant construction and production equipment and facilities

4.1.1 new construction, renovation, expansion of production and construction projects shall comply with the relevant national approval system. Projects should be consistent with GB 3095, GB 3096, GB 4387, GB 5083, GB 5768, GB/T 12801, GB 15630, GB Z1, GB Z2.1, GB Z

2.2 other standards Provisions.

4.1.2 Building storey building should not permit the use of combustible materials. When using the original building should be re-detection, identification. Fire control system design

4.1.3 plant, equipment shall be consistent with the relevant provisions of "People's Republic of China Fire Services Act". Set production equipment, facilities Design, manufacture should conform to GB 3095, GB 3096, GB 5083, GB 23821, GB 12265.3, GB 12348, GB Z2.1, GB Z

2.2 there The relevant provisions.

4.1.4 should be arranged production equipment set up a secure channel. Important equipment and key parts of the production plant should be set up emergency lighting.

4.1.5 smelting, casting equipment should not be set above the presence of drops of water leakage risk facilities, such as ventilation, skylights, plumbing and so on. Safety devices

4.1.6 of production equipment and facilities should be intact. Rotating equipment parts should set the security guards.

4.1.7 equipment, valves and pipe connections should be sound, tight, leak-free. Before the transportation of toxic, harmful substances in the valve and pipe use, should be regulated Scheduled air tightness test checks, be put into use after passing.

4.1.8 electrical equipment should be required to do the electrical grounding protection, mobile electrical equipment should also be installed leakage protection, and regularly electrical protection Ground check for leakage protection testing.

4.1.9 Production and storage of flammable and explosive materials places the electrical equipment should be explosion-proof equipment.

4.1.10 flammable and explosive places should have a good grounding device, easy to produce static pipe connections should be jumper connected and should be regularly Testing.

4.1.11 Portable lights should be safe voltage; when wet trench, pipe or vessel and other dangerous places to work, the use of portable lighting The lamp voltage should not exceed 12V.

4.1.12 deal with workplace pressure gauge, safety valves and other safety equipment, regular testing, testing.

4.2 Hazard identification, evaluation, control

4.2.1 Enterprises should be in accordance with GB/T 13861, GB 18218, the relevant provisions of GB/T 28001-2011, GB/T 28002 and the AQ8001 Type, degree of risk to the workplaces hazards and occupational hazard identification, assessment, to determine the risk of harmful factors, the development of control measures CONSTRUCTION. Important sources of danger to deal with clearly marked. It should also be of major hazards registration filing, and regular testing, assessment, monitoring. operation Conditions on risk assessment and risk control measures, see Appendix A, hazard identification, risk assessment and risk control, see Appendix Questionnaire B.

4.2.2 Enterprises of hazard identification, risk assessment and risk control plan should be carried out once a year. For the first time to carry out hazard identification, risk assessment Procedures and risk control business plan should be clear, the time node and to achieve immediate and long-term goals. The following change occurs When, enterprise should be timely hazard identification, risk assessment and risk control update or supplement plan.

a) the introduction of new job activity or modify work activities;

b) the introduction of new technology, new technologies, new materials or original process changes;

c) Related party strongly complaints;

d) Legal, regulatory changes or requirements of government authorities;

e) new plant, building repairs and other construction.

4.2.3 Hazard Identification range should cover all places of business operations, equipment, facilities, materials and activities, and includes the following.

a) All persons entering the workplace activities;

b) All equipment, facilities, products, materials and services in the workplace; Accident

c) have occurred or may occur in the event;

d) the existence of major hazard.

4.2.4 Risk control measures should follow the following principles.

a) the use of the preferred or alternative updates, etc., the total elimination of hazards;

4.3 Other

4.3.1 Chemical storage should be consistent with GB 15603, GB relevant provisions of the 17914, GB 17916's.

4.3.2 accident safety signs should be consistent with GB 2893, GB 2894, GB 5768, GB 13495, GB 15630 of the relevant provisions.

4.3.3 Enterprises should set up and designed in cooperation with the guidance of the local fire department, the fire part-time organization.

4.3.4 Employees should conduct regular safety training and education. New employees receive "three safety education" should be in the factory. Special operations personnel And security management personnel shall be subject to special security training and education, special operations personnel should certificates.

4.3.5 engage in new technology, new technology, new equipment, new materials, workers should be appropriate safety training and education, pass the examination rear Available posts. Reorientation, and undergo three months or more persons engaged in part-time work in other positions should be appropriate safety training and passed an examination Qualified before the appointment.

4.3.6 Enterprises should be in accordance with the "People's Republic of China Occupational Disease Prevention Law," "Regulations of occupational health check" of engaging in hazardous or There are special requirements for health workers conduct regular health checks.

4.3.7 Enterprises should be in accordance with GB/T 11651, "Labor Protective Equipment Supervision and Management Regulations" and "labor protection standards with" the relevant provisions Suitable for employees paid labor protection products.

4.3.8 engaged in toxic and hazardous operations should be consistent with GB 6222, about GB 12331, GB 11984, GB Z2.1, GB Z2.2, AQ3014 of Provisions. Toxic and hazardous workplaces should wear anti-virus, anti-corrosion and other protective equipment.

4.3.9 workplaces with excessive noise should wear ear protection devices.

4.3.10 Hot work places should be set ventilation or cooling facilities.

4.3.11 in liquid aluminum operations personnel should use non-synthetic long-sleeved overalls, close the liquid aluminum operations should take protective measures face. melt Lian casting workers should wear heat-resistant anti-smashing steel toe shoes.

4.3.12 more than 2m from the reference plane height, workers in high places, you should use a seat belt or safety rope. Erection of workers are not allowed to wear climbing Hard-soled shoes. When more than 2m height, working in high places fall hazard, reliable safety measures should be taken, up and down are not allowed to throw objects. Make When using a ladder climbing operation, should someone care.

4.3.13 electrical work should be consistent with the relevant provisions of GB/T 13869 of.

4.3.14 The manufacturer should prepare hot work safety rules, according to the production site the actual working environment of hot work carried out with a fire hazard Analysis, provision and manage content approval process flare, flare up before approval should to inspect the implementation of fire safety measures, incomplete procedures When the flare is not permitted.

5.1.1 Basic requirements

5.1.1.1 oven should be carried out before the new masonry stove and put into use, to ensure adequate drying furnace.

5.1.1.2 job site should be kept the ground dry.

5.1.1.3 should be sure to include the melt of raw material drying.

5.1.1.4 take top charging way round smelting furnace feed, the staff are not allowed to stand in the danger zone furnace.

5.1.1.5 Replace when the regenerator furnace alumina ball, turn off the air supply, exhaust system, and set warning signs.

5.1.1.6 not allow a solid material charged into the furnace smelting furnace burner block, and not allowed to charge an electric heating element contacts.

5.1.1.7 for stirring, slag and other tools to handle the job of the port should be closed to ensure that the fluid can not flow from the aluminum handle port.

5.1.1.8 Point blast furnace, coping fuel, compressed air, burner, watery eyes, valves, control systems and safety devices and other security checks. Each furnace Child should be equipped with two or more streams eye Qianzai.

5.1.1.9 melt surface under the door along with the height difference of not less than 150mm.

5.1.1.10 start refining operations should be preceded by smoke machines.

5.1.1.11 in the raw material melting process, should check the flow of the eye, preventing fluid leakage or spillage of aluminum from the mouth watery eyes, or the occurrence of carrier run accident. Converter before 5.1.1.12, ensure that the interface chute blockage tight to prevent leakage of liquid aluminum. When

5.1.1.13 converter should promptly adjust the flow of molten aluminum stream flow cell according to the level of the eyes of the situation.

5.1.1.14 enterprises should be developed to clean the flue system in accordance with the type of fuel and combustion conditions, and should be checked regularly to clean the flue, to prevent flue ash Sulfate content exceeded cause explosion.

5.1.2 Gas Cookers

5.1.2.1 gas furnace smelting should be consistent with the relevant provisions of GB 6222's. Gas furnace smelting should meet the requirements of SY6186.

5.1.2.2 gas furnace working pressure not less than the design value, to prevent the negative pressure caused by an explosion.

5.1.2.3 job site concentration of carbon monoxide should not exceed 30mg/m3 (24ppm).

5.1.2.4 enterprises should establish a regular gas detection system or set the alarm device.

5.1.2.5 should be cleaned regularly, replace the heat storage alumina ball.

5.1.2.6 before sending the gas should be purged job, drain pipes and residual gases inside the furnace to prevent the detonation point when furnace.

5.1.2.7 In the case of natural gas may be greater than 750 °C Furnace Gas Furnace or greater than 800 °C, point guns in a normal combustion state Not purge, direct ignition.

5.1.2.8 Gas System to stop all gas, before re-ignition, the outbreak of the test should do first gas, the gas component to confirm eligibility.

5.1.2.9 before ignition, make sure the furnace temperature, furnace pressure, air pressure and air pressure is normal. After ignition, the fire should be lit to open the valve, and someone custody. Many stations are not allowed to simultaneously gas stove ignition. Should be the first point of the distal end of the gas pipeline gas stove, and then press the reverse turn ignited. When

5.1.2.10 shutdown, you should turn off the gas valve, close the valve after the last stop the fan running. After the shutdown, all the furnace should be checked immediately Burner, make sure the flame go out.

5.1.3 Fuel burner

5.1.3.1 using industrial fuel flash point of not less than 55 °C.

5.1.3.2 fuel stove burner atomizing effect shall meet production requirements. Flushed before making the burner ignition.

5.1.3.3 shutdown should turn off the fuel, close the damper after the last stop the fan running.

5.1.4 Furnace

5.1.4.1 before transmission, make sure the electric furnace in good condition, no electric heating element near the joint.

5.1.4.2 carry out feeding, slag, mixing, refining furnace operation, the discharge flow, etc. should be power outages.

5.1.4.3 During the transmission, do not permit the use of object-contact power lines, electric heating element and electric heating element cable.

5.1.4.4 melting material found during the electric heating element sagging, you should immediately power handling.

5.1.5 Induction furnace

5.1.5.1 work should be recognized before the power supply system, water circulation system is operating normally.

5.1.5.2 case subject to greater damage to the lining is not allowed to use.

5.1.5.3 When feeding, not allowed crashing lining or hearth.

5.1.5.4 After the charge is completely melted, then add solids should not prevent the molten aluminum jump splash wounding.

5.1.5.5 furnace cleaning, slag, should stop releasing power.

5.1.5.6 with pacemakers are not allowed near the induction furnace, should be clearly set the appropriate warning signs in the workplace.

5.2 Uncovery machine

5.2.1 Use Uncovery machine opened furnace lid, make sure the lid is fixed with machine Uncovery bit aligned.

5.2.2 does not permit an officer to remove the lid from the passage.

5.3 Aluminum water

5.3.1 Aluminum water by professional production factories, and in accordance with the relevant provisions of JB/T 5771.1 and JB/T 5771.2 of.

5.3.2 ensure that the aluminum enclosed common accidents occur in water (such as a beam or rod breakage, transport failure, etc.), the aluminum liquid leakage does not occur.

5.3.3 enterprises to cope with aluminum beams and both sides of the water rod testing and inspection at least once a year.

5.3.4 does not permit the use of fire welding, welding on the end face of the danger of aluminum-water cutting, welding.

5.3.5 Aluminum water storage should be fixed, straight, put stability.

5.3.6 The work should be recognized before the aluminum water in good condition.

5.3.7 costumes before molten aluminum should be fully preheated.

5.3.8 open water when aluminum containing molten aluminum, along the surface from the package should be greater than 150mm. 5.3.9-beam tilting side is not allowed to stand on.

5.3.10 molten aluminum containing aluminum in water lifting process should take the provisions of the road, do not allow collisions with other objects.

5.3.11 when pouring molten aluminum, aluminum should be prevented from splashing or liquid spilled wounding, do not allow water around 4m aluminum within the non-workers.

5.3.12 before lifting and when not in use, the user should be a good card security card.

5.3.13 open when the security card, the package should be fixed on a solid beam bracket. Repair, maintenance, removal, adjustment of the motor and the gear unit are not allowed Xu open security card.

5.3.14 When the use of motor vehicles transporting liquid aluminum, aluminum does not permit the use of open water, aluminum water should be fixed firmly.

5.4 Aluminum-water heater Before

5.4.1 work, you should check to make sure the aluminum-water heater good.

5.4.2 Gas baking aluminum with water, you should always check the condition of the flame, preventing the flame goes out. Once the flame is extinguished, immediately turn off the ignition Gas, sweep clean with compressed air, and then re-ignite.

5.4.3 stop using, should be shutting the gas valve and damper.

5.5 Holding furnace (holding furnace)

5.5.1 should be kept on-site ground dry.

5.5.2 should be sure to include the melt of raw material drying.

5.5.3 Splice the front and rear furnace should be equipped with two or more streams eye Qianzai.

5.5.4 before refining, smoke machines should start.

5.5.5 Each time before casting, you should check to make sure watery eyes brick, launder intact.

5.5.6 Analysis of the furnace to take samples from the molten aluminum, should ensure that the sampling spoon, sample mold and dried.

5.5.7 When tilting pouring molten aluminum holding furnace, make sure watery eyes and take junction clogged gutter tight, flow control eye should flow to prevent risk groove.

5.5.8 electrically heated holding furnace (holding furnace) should meet the requirements of 5.1.4.

5.5.9 Gas Holding Furnace (holding furnace) should meet the requirements of 5.1.2.

5.5.10 Fuel holding furnace (holding furnace) should meet the requirements of 5.1.3.

5.6 Magnetic stirrer

5.6.1 before using a magnetic stirrer, a magnetic device should be carefully checked, cooling systems, junction box, drag lines, confirmed intact before use.

5.6.2 does not allow speeding stirring.

5.6.3 required inspection, maintenance, magnetic stirrer should be open to the parking lot, to be cut off the power before proceeding.

5.6.4 does not allow a magnetic stirrer with a pacemaker close operation state, should be clearly set the appropriate warning signs in the workplace.

5.7 Casting Machine

5.7.1 casting machine should meet the requirements of GB 20905.

5.7.2 Check hydraulic casting machine laser positioning instrument, should be prevented from being hurt.

5.7.3 Hydraulic front caster gas-slip casting start, make sure that the compressed air in a dry state, and within a predetermined pressure range, to prevent excessive pressure Large, aluminum was blown assault.

5.7.4 before casting, check that the holding furnace (holding furnace), launder, chain belt, molds, transmission, control buttons, hydraulic systems, cooling Water system, safety devices intact. Casting should ensure safe water wells to prevent leakage of liquid aluminum exploded.

5.7.5 When lifting bunk aluminum liquid, liquid from the bucket along the distance should be greater than 80mm, should be lifted to prevent the overflow of molten aluminum.

5.7.6 Non-automatic flow control when casting operations, workers are not allowed to leave the machine, should be carefully observed level changes.

5.7.7 casting, the case take the tank, parking and other emergency situations, the application manually intermittently controlled casting platform decline; occur suspension, leaking aluminum or When condensate die casting fun...