Carburizer for Wind Power

Regarding the wind power casting process method, the smelting situation is doing everything possible to increase the number of graphite balls, whether it is cupola-desulfurization-electric furnace or direct electric furnace smelting, all efforts are being made to increase the number of graphite balls. In fact, when the number of graphite balls is increased to about 120-180, the low impact performance is very stable (this refers to the 70 mm thick test block attached). It is relatively difficult to increase the number of graphite balls in electric furnace smelting. It is mainly from the beginning of smelting to adopt a series of methods and measures to increase the graphite core, such as the use of carburant and silicon carbide for casting, especially the use of low-sulfur and low-nitrogen Graphitized wind power professional carburizer, which can effectively ensure the uniformity of the number and spatial distribution of graphite balls in the casting.

In recent years, due to its own advantages and the maturity of its casting technology, the application of ductile iron in the fields of power equipment and engineering machinery has continued to expand. The production of gray cast iron and ductile iron diesel engine cylinder blocks and cylinder heads. These castings are large thick-walled ductile iron parts with high strength or high toughness and high plasticity. The internal and external quality requirements of the castings are strict and the production is difficult. Therefore, in order to reduce or To suppress the influence of interfering elements in the raw materials on the performance and organization of the castings, the selection and use of raw materials are very strict. Obtaining high-quality molten iron through the carburization process has become a choice for the production of high-quality ductile iron. The key to electric furnace smelting to synthesize cast iron is the selection and addition of carburizers, Mn-adjusting slagging auxiliary materials, industrial carbon scrap iron, as well as smelting quality control. The use of wind-increasing carbon agents to increase carbon content, adjust chemical composition, and improve cast iron Organization and performance, using relatively inexpensive industrial scrap iron, reduce costs; in order to obtain a better carbon increase effect, a low-sulfur, low-nitrogen, all-graphitized wind power professional carbon raiser is used in the production. The use of graphite carbon raiser + scrap steel + a large amount of recycled materials is a new technology for low-cost production of high value-added, high-performance wind power ductile iron castings.

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