T/CSEA 17-2021 Zinc aluminum coating painting safety production operation regulations
T/CSEA 17-2021 Zinc aluminum coating painting safety production operation regulations
Basic Information
Scope
Main Technical Content: 4. Zinc-aluminum coating application operations 4.1 Pre-treatment operations before coating 4.1.1 Degreasing treatment shall comply with the requirements of GB 7692 and AQ 5213. 4.1.1.1 Degreasing treatment in mesh belt furnaces 4.1.1.1.1 When the mesh belt furnace is in operation, operators should not approach running equipment such as mesh belts and rotating shafts, and should not load or unload materials on the running mesh belt furnace. 4.1.1.1.2 When placing parts on the mesh belt, a 50 mm gap should be left on both sides of the mesh belt to prevent workpieces from being embedded in the running chains, causing equipment accidents due to derailment of the mesh belt. 4.1.1.1.3 There should be no flammable items in the drying tunnel. During maintenance, repair, or welding operations, the mesh belt furnace should be stopped, and the power and gas valves should be closed. Fire extinguishers and other fire safety equipment should be provided in accordance with relevant regulations. 4.1.1.1.4 Receiving operators should wear work gloves, and large workpieces should not be dropped freely onto the mesh belt. Barriers or manual collection should be used instead. 4.1.1.1.5 The mesh belt furnace production line should be equipped with exhaust emission equipment, and the exhaust emissions should comply with the requirements of GB/T 16297 and obtain relevant qualifications for exhaust emissions. 4.1.1.2 Cleaning and degreasing treatment (alkaline cleaning) 4.1.1.2.1 Alkaline cleaning agents should be prepared according to the process parameters, and operators should wear appropriate protective gear such as rubber gloves and goggles to prevent corrosion injuries. 4.1.1.2.2 If the skin accidentally comes into contact with alkali solution, it should be immediately rinsed with water, and those with severe corrosion should seek medical treatment immediately. 4.1.1.2.3 After cleaning, the residual oil sludge on the parts should be c