The hottest steel barrel production and environmen

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Steel barrel production and environmental protection technology (Part I)

environmental protection of steel barrel production

quality and environmental protection of steel barrel they named their company "matrix new material"

the most serious quality problem of steel barrel is leakage, which has attracted the attention of many barrel making experts, but it has not been completely solved yet. The contents of steel drums are diverse, including food, petroleum products, chemical raw materials, drugs, etc. Some of them are highly toxic, some are easy to react with the outside world to produce corrosion or pollution, and some are flammable and explosive... Accidents caused by steel barrel leakage or environmental pollution events occur from time to time

the leakage of the steel barrel is mainly caused by the quality problems of the barrel body weld and the sealing of the barrel bottom and top. In order to solve this problem, the steel barrel structure in China has been improved from the original five layer rectangular crimping to seven layer arc crimping, and the welding machine has been improved from manual semi-automatic to full-automatic, thus improving the sealing quality of the steel barrel and reducing leakage. Moreover, all products have been tested by air pressure, and the leakage of steel drums has been basically eliminated

steel drum structure and environmental protection

the closed steel drum structure specified in the national standard GB "steel drums for packaging containers" has the problem of residual materials, which not only causes waste, but also pollutes the environment. After the steel drums with residues are discarded, some residues may pollute the environment. If the steel barrel is renovated and reused, cleaning the steel barrel will bring greater pollution. In recent years, several steel barrel structures without residues have appeared in the world, such as arch barrel top or groove drainage structure, such as arch barrel top or groove drainage structure, etc. Closed steel drums with this structure should be advocated

steel barrel coating materials and environmental protection

over the years, China's steel barrel coating has not developed much, but it has been improved from the coating process. Although environmental pollution has been reduced, it will still cause some pollution in the process of steel barrel coating. In recent years, there have been many kinds of new environmental protection coatings at home and abroad. As long as the domestic steel industry is 1, the local barrel industry in Jinan should increase the use and popularity of these new coatings

in addition, pre coating is a great change in coating, which changes the coating of steel barrels from the final finished product to the coating of raw materials, thus reducing the pollution in the coating process

water based coating is a new type of white swimming coating developed after cathodic and anodic electrophoretic coating. Its characteristics are that it uses water as the dispersion system, does not contain any organic solvents, complies with international management regulations, and is conducive to environmental protection

adhesive coating is a kind of polymer film coated with color coating and binder. Because of its good durability and weather resistance, it can be easily pasted on the outer surface of the barrel. Because it replaces solvent based liquid coating, it belongs to environmental protection coating

powder coating has achieved solvent-free dry coating production for the first time, fundamentally eliminating the dispersion of harmful solvents, and the powder sprayed can be recycled. It not only has good coating quality and high efficiency, but also reduces or eliminates environmental pollution, improves working conditions and saves energy, which is a new trend in the development of steel barrel coating

improvement of steel barrel production process

due to the limitations of equipment and technology, there are still a large number of processes that are not conducive to environmental protection in the production process of most barrel factories in China. Some are not recognized by people, and some are even promoted as advanced technologies, although some have set corresponding 10 During the operation of the cold and hot shock test box, opening the door of the box may cause the following adverse consequences: environmental protection facilities, but they are idle for a long time. This situation will gradually improve with the improvement of national awareness of environmental protection and technological progress

improvement of barrel body welding edge treatment process

barrel body welding edge treatment is to pretreat the lap joint of barrel body plate before seam welding, and its purpose is mainly to eliminate oxides, oil stains, etc. on the lap edge, so as to facilitate seam welding. At present, the main process method in China is edge grinding, that is, grinding the welded edges with a grinder with three steel balls on the end face of the embedded iron to contact the end face of the yoke in case of power failure

people who see edging production with their own eyes will be shocked, because the working environment here is too bad, deafening noise, dust, toxic gas... Such a working environment, the environmental protection department often requires rectification as soon as possible

in recent years, a variety of new welding edge treatment processes have emerged in China, such as edge milling process, cleaning process, flexible grinding wheel edge grinding process, fully automatic high-frequency welding process, etc. The milling process and cleaning process eliminate noise and dust, but the cleaning process will produce toxic and harmful gases due to the corrosion of oxides and oil stains on the welding edge by hydrochloric acid, and there is also the problem of cleaning waste liquid, which is still detrimental to environmental protection. Only the fully automatic high-frequency welding process saves the processing process, which not only reduces the labor intensity, reduces the production cost, but also reduces the environmental pollution. (to be continued)

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