GB 13746-2008Safety and hygiene code for working with lead (English PDF)

5.4 Lead cable

5.4.1 Pressure machine lead melting pot of lead should be set closed exhaust purification device, the lead should be added to the liquid surface coating.

5.4.2 Pressure lead melting pot of lead machine should be set to automatic temperature control or over-temperature alarm device.

5.4.3 outlet pressure of lead and lead solder points should work to set local exhaust ventilation devices.

5.5 Other

5.5.1 Lead quenching furnace steel surface liquid should be added to the cover layer, wire into and out of the melt should be located at local exhaust purification device.

5.5.2 Wire hardening furnace should be set to automatic temperature control or over-temperature alarm device.

5.5.3 Bearing vehicle bearing batten withdrawal tile furnace, preheating furnace, lead alloy melting furnace, battens equipment, lead alloy machining process and back-watt cold But at the applicator operating point and so should be set local exhaust means; lead alloy melting furnace should be set to automatic temperature control or over-temperature alarm device, should lead liquid surface Plus covering.

5.5.4 manufacture of lead-lined, lead solder, lead-free work surface machining and molten lead, welding, fusing, melt with, spray, steamed and other technology Posts should be set up local exhaust purification device.

5.5.5 Manufacturing lead oxide and lead compounds (such as silicon lead hydrofluoric acid) of equipment should be confined, set exhaust purification device.

5.5.6 The use of lead paint, spray paint drying and firing, glazing, painting, and spraying glaze composition, drawing objects, should be in private job Places, sites should set local exhaust ventilation devices.

5.5.7 Waste lead product maintenance, dismantling and scrapping operations should be provided in the local exhaust system operating point.

5.5.8 When the need to enter the leaded device, containers, or narrow or closed workplaces, workplaces should maintain good ventilation conditions, formulate strict Dense protective measures, and set up the supervisory staff.

6 storage and transport

6.1 Storage

6.1.1 lead, lead alloys, lead compounds, lead, etc. coexist prohibited open dumps, should be stored in a dedicated warehouse.

6.1.2 Treasury should be cool, dry, ventilated, dark fire building and away from residential areas and water sources.

6.1.3 Different types of lead substances should be stored separately, away from heat, power, fire.

6.1.4 should be kept within the Treasury neat, clean, stacking must be safe for the principle, firmly stacked, neat and beautiful.

6.1.5 electrolytic lead residue (anode mud, slag) temporarily stockpiling, use dedicated containers costumes, focus stacking, should not be stacked in the open air, not hard Of ground water or loss of a place to avoid contamination.

6.1.6 Lead powder should be used with special containers for packaging store.

6.1.7 When the packaging is damaged, replace the package before storage, packaging should be carried out in a special place. Scattered on the ground of the application of lead powder or water vacuum cleaner Clean, lead powder should be collected centrally.

6.1.8 containing powdered lead over the containers should be sealed and stored in a place determined. Leaded material packaging, containers before re-use, it should be Check.

6.1.9 When prolonged storage unpackaged lead, it should be covered with tarpaulin.

6.1.10 variety of materials containing lead, lead sludge and other hazardous solid waste that piled shall meet the requirements of GB 15603.

6.2 Transport

6.2.1 Transport must lead powder before special containers, packaging materials should be unbreakable, lead ingots should use strapping.

6.2.2 The transportation should take measures to prevent wet, lead and lead-containing materials should not leak and flying.

6.2.3 The manual handling of lead containing powder, lead container deposit mix, and should be installed on the container handle or wheels.

6.2.4 Qianfen leaks should be cleaned immediately.

7 ventilation and purification equipment

7.1.1 production and installation of exhaust hood should be consistent with GB/T 16758 relevant requirements.

7.1.2 selection of exhaust hood

7.1.2.1 lead smelting industry lead melting pot and mouth should be adopted casting blow suction hood.

7.1.2.2 Other lead melting pot should be used as a whole closed or semi-closed hood.

7.1.2.3 ball should be used as a whole closed hood.

7.1.2.4 Production of lead-acid batteries together cream machine, powder filling machine should be the use of local exhaust hood closed.

7.1.2.5 ball casting machine, casting machine version, smear machine, should be adopted into the groove on the suction hood.

7.1.2.6 welding table should adopt the suction side hood.

7.1.2.7 slicing machines and assembly should adopt the downdraft hood.

7.3.2 Use and maintenance of purification equipment

7.3.2.1 before purification devices, standards should be set after detecting the purification efficiency and lead fume and dust emission concentration sampling hole. Sampling holes should Preference in vertical segment, sampling hole location should be set up away from elbows, valves, reducers downstream direction is not less than 6 times the diameter, and from the above-mentioned section Member upstream direction at not less than 3 times the diameter.

7.3.2.2 wet purification device when installed outdoors in winter ice areas should be provided in the rooms have heating measures, or should be taken to prevent Freezing measures. Shall be provided with good performance liquid separating means before the exhaust port

7.3.2.3 wet purification device.

7.3.2.4 apparatus using a wet scrubber water should be recycled, reducing emissions. Wastewater lead slag, lead sludge storage sites should be determined, Uniform recycling.

7.3.2.5 filter dust collector filter should be selected to meet the temperature requirements of the gas filter.

7.3.2.6 When using a filter dust collector, the process gas temperature should be maintained at a temperature above its dew point.

7.3.2.7 dry dust of cinder valve should be sealed well and should be used to remove dust closed container, remove lead dust should be removed in time, unified Recycling.

7.3.2.8 lead fume and dust purification device should operate under negative pressure.

7.3.2.9 In the pre-production equipment is running, it should start ventilation purification system, production equipment after the stop, then turn off ventilation purification system.

7.4 Ventilator

7.4.1 Fan should be set behind the purification apparatus (purification device for the negative pressure operation). When using multi-stage purification, ventilation can be put Between several purification devices.

7.4.2 Fan noise should be in line with national standards, should take excessive muffler noise reduction measures.

7.4.3 ventilation unit installed outdoors, the motor should be set rain cover. Weight ventilation pipes, mufflers and other accessories should not fall on the fan.

7.4.4 Fan wet purification device for supporting, fans should be used to acid corrosion.

8.1 Occupational safety and health management institutions and systems

8.1.1 enterprises are mainly responsible for the organization should be responsible for developing and implementing occupational safety and health management programs, and included enterprises, the long-term development plan.

8.1.2 Enterprises should set up occupational safety and health management, health and safety management with full-time staff.

8.1.3 Lead jobs enterprises should establish a sound occupational safety and health management system. Occupational safety and health management systems including. workplace inspection Evaluation - management practices, occupational disease prevention and management, occupational health surveillance system, dust-proof protective equipment and facilities management system, labor protection products Management system, job responsibility and job operating rules.

8.1.4 Staff engaged in lead exposure for employment, should be subject to pre-service complex "three-tier safety education" and occupational safety and health training, after passing the examination Only after induction.

8.1.5 Enterprises should periodically lead workers and management personnel in continuing education and training in occupational safety and health knowledge, organized at least annually The first assessment.

8.1.6 Staff engaged in pre-job lead exposure should be clearly informed of the dangers of working in the profession, and reflected in the labor contract Inform content.

8.1.7 Enterprises should focus on working with lead poisoning and other accidents that may occur, according to AQ/T 9002 requirements for the development of contingency plans.

8.1.8 shall be equipped with the necessary emergency equipment and regular maintenance, contingency plans should be updated regularly and organize drills, and drills and maintain records.

8.2 Personal Protection and Occupational Health

8.2.1 Enterprises should be involved in lead exposure relevant national standards and industry standards for workers in the lead with the correct anti-qualified Dust overalls, masks, gloves and other personal protective equipment.

8.2.2 Workers should have the proper use of personal protective equipment skills, good personal protective equipment must be worn when posts.

8.2.3 Personal protective equipment should be required for maintenance, maintenance, cleaning concentrate by the company and the timely replacement. Personal protective equipment to be cleaned It should be placed in airtight containers to store and set up warning signs.

8.2.4 Lead workplaces should be set to the red area warning lines, set safety signs and instructions hazardous substances hazardous precautions in a prominent position Shi signage and emergency response measures.

8.2.5 workplaces should be set to the locker room, shower, sink and other facilities in accordance with relevant regulations. Lounge, bathroom, wardrobe and other public utilities provided Shi should be cleaned regularly rinse.

8.2.6 workplaces and other floors, walls, and equipment should be cleaned or rinsed daily. Engaged in cleaning operations should wear overalls, wearing a dust mask Wait. Lead dust collected should be placed in special containers and should not be stacked together with other garbage.

8.2.7 workplaces non-smoking, bake and cook food, eating drinking water; you must take a shower after work, mouthwash, before leaving after changing clothes; Yan Forbidden to wear uniforms into the canteen, the factory.

8.3 Occupational Health Surveillance

8.3.1 Enterprises should be entrusted to qualified institutional occupational health examination for their employees for employment, during, before and undergo occupational health check Check, establish and improve occupational health record, nor assign contraindications workers engaged in hazardous work and the related contraindications.

8.3.2 Enterprises should be organized every year in the post worker occupational health checks.

8.3.3 was diagnosed as lead poisoning must be temporarily out of work removing lead treatment, mild treatment can lead recovery operations, but heavy Lead poisoning who have removed from the original work, and given treatment, rest.

8.3.4 Where an employee is diagnosed with occupational diseases, work-related injuries should be reported to higher authorities and diseases in GB/T 16180 of the relevant provisions Disability grade identification, and treatment of occupational diseases to enjoy the state.

8.4 Detection

8.4.1 The enterprise shall workplace lead fume and dust concentration detected at least once a month, sampling and measurement methods should refer to GB 13733 The relevant provisions, the test results should be prepared for the archives. Lead workplaces should be set to the red area warning lines, safety standards should be set in a prominent position Chi and explain the dangers of harmful substances preventive measures and emergency treatment.

8.4.2 harmful concentration of test substance shall be carried out under normal conditions, select the location and number of parameters such as detection points should comply with the relevant national standards Registration requirements.

8.4.3 Enterprises should be the relevant provisions of the performance and efficiency of the purification facilities dust and poison detection least once a year, should meet the requirements in a timely manner Repair or replacement. Test results and maintenance records should be prepared for the archives.