Can molten aluminum only be cast into ingots? Recently, Dongxing aluminum company gave a negative answer. Based on the existing process facilities and personnel, the company's technical personnel successfully trial produced "new products" - aluminum iron and aluminum silicon intermediate aluminum alloy in the melting and casting production line, which not only enriched the product types of JISCO, but also further enhanced the product competitiveness of the enterprise.
In recent years, with the transformation of marketing mode and the agglomeration of Jiayuguan aluminum processing enterprises, Dongxing aluminum company's sales volume of electrolytic aluminum liquid increased year by year. Taking Jiayuguan No.1 melting and casting operation area as an example, from March to November every year, molten aluminum is "hot sale", but its molten aluminum ingot business volume is reduced year by year, the production mode is also changed from the original molten aluminum ingot to emergency production, and the idle rate of personnel and equipment is increased significantly.
In order to improve the equipment operation and production efficiency, the company's technical personnel brainstorm and try to make use of the casting production line in the "leisure period" of the equipment“ When you have an idea, you have to take action. " After field investigation, the technicians learned that the master alloy of aluminum is used to improve the properties of aluminum alloy. The purpose of adding the above materials to aluminum alloy is to complete the refining and alloying of smelting alloy at the same time, so as to reduce the production cost of metal materials. It can be said that aluminum based master alloy is an important condition for the quality assurance of aluminum alloy.
According to the technical personnel of high quality development office of Dongxing aluminum company, master alloy, as a necessary raw material for high-end aluminum alloy production, has a large market space and prospect. At present, there are a large number of aluminum alloy manufacturers around Jiayuguan, with a moderate consumer market. In addition, the production of master alloy has relative location advantages, and the production technology of master alloy is less difficult, which is suitable for transitional transformation.
Therefore, the technical personnel of Dongxing aluminum company decided to carry out the process research and product trial development of aluminum master alloy with aluminum iron and aluminum silicon as the main products“ The raw materials for downstream aluminum processing enterprises to process aluminum rods are aluminum silicon and aluminum iron. We can produce them by ourselves and provide downstream aluminum processing enterprises with raw materials for finished aluminum rods to reduce the intermediate processes of manufacturers. " The company's technical staff said.
It is understood that the requirements of aluminum master alloy process and production equipment are not high, and the existing process facilities and personnel can realize trial production and batch production after appropriate transformation, optimization and training, and the expected economic and social benefits are obvious. Although the production of aluminum, iron, aluminum and silicon benefits, but also need to "pass the cut.". For example, metal iron has high melting point and high density, which is easy to settle and solidify when flowing in the chute. Therefore, by adjusting the casting temperature, the length of the aluminum chute and the heat preservation measures of the chute, the technicians reduced the temperature loss to the greatest extent and ensured the fluidity of the solution.
In the first quarter of this year, Dongxing aluminum company carried out three technical experiments, successfully solved a series of production problems, and successfully produced 18.4 tons of Al Si and 11.2 tons of Al Fe. After testing, the product quality meets the requirements of the experimental scheme, and meets the raw material requirements of downstream aluminum processing enterprises. After the process is mature and gradually promoted, it is estimated that 6000 tons of aluminum iron and aluminum silicon can be produced every year, which can meet 60% of the demand of surrounding aluminum processing enterprises. According to reports, the successful trial production of aluminum iron and aluminum silicon intermediate aluminum alloy has achieved a breakthrough in the production process of intermediate aluminum alloy. Through continuous optimization, a relatively perfect production process standard has been formulated, which provides technical support for large-scale production, enlivens idle equipment and facilities, increases product types, and improves profitability.