SMM Network News: at 15:40 on May 31, the first volume of 2.75mm × 1025mm pickling free steel coil was successfully removed from the Angang hot strip mill, which marked the success of a thermal load test of the first EPS (coil surface free pickling) treatment line in Anshan Iron and Steel Co., Ltd.
EPS (Eco Pickled Surface) is a new metal surface cleaning technology, which can replace traditional treatment processes such as pickling, shot blasting, high pressure water flushing and so on. Compared with the pickling method, this process is a pure physical process, using harmless media that can be recycled, such as water and steel sand, to remove the surface oxide scale and prevent rust. The production efficiency, the level of energy saving and environmental protection and the added value of the products are greatly improved. The surface of EPS products is cleaner, the apparent quality is better, the anti-corruption performance is stronger, the paint adhesion is greater, can meet the personalized needs of users, and can achieve win-win benefits of environmental protection and economic benefits.
According to reports, the treatment line, which introduces foreign advanced technology, is the most advanced green pickling unit in China at present, with the thickest product thickness, the most potential for equipment function upgrading, the best integration degree of "process + equipment + production + service" and the least investment. Since the construction began on October 22, 2018, it has taken only more than 7 months to build, which has the characteristics of high starting point, high speed, excellent quality and so on. The annual production capacity is 300000 tons, the main varieties are automotive steel, low carbon steel, carbon structural steel, low alloy structural steel and so on.
The processing line is close to the finished product warehouse of the 1780 production line, the logistics is convenient and fast, the process is reasonable and compact, the space is less, the continuous operation ability is strong, the operation cost is lower, and the production efficiency is higher. Due to the abolition of the pickling link of the steel coil, the problem of waste acid treatment of downstream customers has been solved, the generation of waste has been eliminated, all the media have been recycled, the working environment is more environmentally friendly, and the health risk of workers is smaller.
According to the relevant person in charge of the hot strip mill, the treatment line is for Angang to actively practice the concept of green development, circular development, and low-carbon development, fulfill the responsibility of "ecological industry and green economy," and implement the call for "economy to protect the environment and environmental protection to be economical." The beneficial attempt to build "Green Angang and Beautiful Angang" from Green Nuggets is also a concrete measure to carry out the transformation of growth power and promote the construction of high-quality new Angang. With the development of environment-friendly, green manufacturing, new environmental protection technology and new technology, a higher level of surface quality has become a new requirement for steel coil in the market, and the market potential and development prospect of the products treated by EPS technology are broader. More competitive in the market.
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