China's Metallurgical Valves
During the "14th Five-Year Plan" period, with the in-depth advancement of the "dual carbon" strategy, the intensity and total amount of carbon emission in metallurgical industries such as iron and steel will be strictly constrained, and the machinery and equipment of metallurgical enterprises such as iron and steel companies will usher in a wave of upgrading and transformation. New changes and features will appear for the demand for metallurgical valves.
1. The metallurgical pollution and carbon reduction policy in recent years
1. The metallurgical pollution and carbon reduction policy in recent years
- The National Development and Reform Commission, the Ministry of Industry and Information Technology, and the Ministry of Ecology and Environment issued the Notice on Carrying out the Pilot Project of Carbon Emission Environmental Impact Assessment of Key Industry Construction Projects. By the end of 2025, the ultra-low emission transformation of iron and steel enterprises in key regions will be completed, and the country will strive to complete the transformation of more than 80% of the production capacity.
- China Iron and Steel Association's Proposal for Promoting Low Carbon Action in the Iron and Steel Industry: The iron and steel industry will face an "absolute constraint" on total carbon emissions.
- China's largest iron and steel enterprise Baowu Iron and Steel Group's carbon emission reduction target: strive to achieve the peak in 2023, and have the technological capacity to reduce carbon by 30% in 2025.
Under the condition of many policies, the ultra-low emission and low-carbon environmental protection in the metallurgical industry is entering the fast lane, and new trends in the demand for metallurgical valves are emerging.
2. Characteristics and classifications of metallurgical valves
The metallurgical industry refers to the industrial sector of the exploration, mining, selection, smelting, and rolling of metal minerals, including ferrous metallurgy (the iron and steel industry) and non-ferrous metallurgical industry. Affected by the high temperature and high corrosion environment of metallurgy, the service life of metallurgical valves is generally 2 to 3 years, which are industrial consumables. Metallurgical valves are consumables, especially for steel mills. Steel mills need a lot of valve spare parts to maintain and replace converter systems of blast furnaces every year.
Metallurgy goes through multiple processes such as smelting and casting, and the corresponding facilities include coke ovens, blast furnaces and converters. There are a lot of valves required in the smelting process. Metallurgical valves are mainly divided into two types, that is, general valves and dedicated valves. The most commonly used valves in metallurgy are blast furnace hot air valves, rubber-lined butterfly valves, double eccentric soft sealing butterfly valves, triple eccentric metal sealing butterfly valves, fan-shaped glasses valves, frame glasses valves, fully enclosed glasses valves, water seal check valves, pressure regulating valve groups, ball valves, gate valves and globe valves. Among them, ventilation butterfly valves, triple eccentric butterfly valves and glasses valves are the most used for flue gas pipelines and dust removal pipelines, which account for about 60% of the total valve.
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