QHMY Magnesium Industry Co., Ltd. is a high-tech enterprise with a registered capital of 232 million yuan, an area of 600 acres and more than 400 employees.
The company's main products are: annual output of 150,000 tons of high-purity magnesium hydroxide; annual output of 20,000 tons of high-purity ultra-fine magnesium hydroxide; 10,000 tons of high-purity sintered magnesia.
The company's products cover high-purity magnesium hydroxide (including various high-purity ultra-fine magnesium hydroxide powders with D50 of 1.5μm, 2μm, 5μm, etc.), high-purity magnesium oxide (including high-purity heavy magnesium oxide, high-purity light magnesium oxide, and high, Medium and low active magnesia, etc.), high-purity sintered magnesia and high-purity fused magnesia, etc. Most products have filled domestic gaps. At present, the company's high-purity magnesium hydroxide products have high purity, good quality and low cost. Advantage began to quickly occupy the domestic market and was exported to Japan, the United States, France, Germany and other countries. Among them: Ultrafine magnesium hydroxide series products are exported to France, and their products are widely used in flame retardant, medical, military, aerospace, new energy and other fields.
At the beginning of the company's establishment, based on the patented technology invented by Central South University, a salt lake magnesium resource research and development experimental base was built in Xitieshan Town, Haixi Prefecture, and a 1,000-ton scale magnesium hydroxide industrial test device was built. Repeated tests and continuous optimization have completely solved the key technical problems in the production of high-purity magnesium hydroxide by chemical synthesis, filled a gap in domestic high-end magnesium hydroxide products, and integrated the resources of Khmerite waste water in Chaerhan Salt Lake, which has plagued Qinghai for many years. The development and utilization provided a new way, which was highly evaluated and affirmed by the Ministry of Science and Technology, the Science and Technology Department of Qinghai Province and the local government.
In order to further meet the market demand of high-end magnesium products at home and abroad, QHMY Magnesium has built the first domestic set of 50,000 tons of ultra-fine high-purity magnesium hydroxide powder processing equipment and the first domestic set of 50,000 tons of high-purity magnesium oxide. Flow dynamic calcining device, and the first set of 5000kVA high-purity fused magnesia electric arc furnace and the first set of high-purity sintered magnesia high temperature gas shaft kiln in China. Using high-purity magnesium hydroxide as raw material, we produce various specifications of high-purity ultra-fine magnesium hydroxide powder, high-purity magnesium oxide, magnesium oxide single crystal, high-purity fused magnesia and high-purity sintered magnesia. The products have begun to enter the domestic and foreign markets. . At present, the product is in short supply, and is favored and praised by customers at home and abroad.
QHMY Magnesium Industry Co., Ltd. is actively planning for the future development of the salt lake magnesium industry while doing its best to produce the current 150,000 tons / year high-purity magnesium hydroxide series product. The company will continue to adhere to the concept of "green development and technological innovation", accelerate innovation drive, strengthen the foundation of enterprise management, and make due contributions to the development of salt lake resources in Qinghai.
The History of Development
After the company was established in 2006, based on the patented technology invented by Central South University, a salt lake magnesium resource research and development experimental base was built in Xitieshan Town, Haixi Prefecture, and a 1,000-ton scale magnesium hydroxide industrial test device was built. Repeated tests and continuous optimization have completely solved the key technical problems in the production of high-purity magnesium hydroxide by chemical synthesis, filled a gap in domestic high-end magnesium hydroxide products, and integrated the resources of Khmerite waste water in Chaerhan Salt Lake, which has plagued Qinghai for many years. The development and utilization provided a new way, which was highly evaluated and affirmed by the Ministry of Science and Technology, the Science and Technology Department of Qinghai Province and the local government.
In 2010, the company completed the research on the key technology of the joint technology for the production of magnesium series products from 10,000-ton-grade hydrochlorite from the National “Eleventh Five-Year Plan”, and solved a series of key engineering technical problems, and obtained A number of important patented technologies and proprietary technical achievements have passed the expert acceptance and achievement evaluation organized by the Ministry of Science and Technology, and have reached the international advanced level in technology. In this process, high-purity and ultra-fine magnesium hydroxide, high-purity magnesium oxide, high-purity sintered magnesia, and high-purity fused magnesia have been developed.The product quality and quality rank among the leading levels in the same industry at home and abroad. High-purity sintered magnesia and high-purity fused magnesia products have filled the blank of salt lake brine magnesia in China. The main innovation of the process technology is: thoroughly master the nucleation and grain growth rules of magnesium hydroxide, and by controlling the reaction conditions, the average particle size of the magnesium hydroxide produced by the reaction can reach 40-50μm on a 10,000-ton scale device. , It is a good solution to the worldwide problem of filtration and washing performance of magnesium hydroxide. The moisture content of the magnesium hydroxide filter cake is less than 10%, and the purity of the product reaches more than 99.5%. In order to develop high-quality high-purity ultra-fine magnesium hydroxide, high-purity magnesium oxide, and high-purity sintered magnesia and high-purity fused magnesia, etc. Downstream products lay important technologies. So far, the technical conditions for large-scale industrialization have matured.
In March 2011, the construction of the 100,000-ton / year high-purity magnesium hydroxide project officially started in Delingha Industrial Park. At the same time, the construction of the supporting downstream product projects began in 2012. In June 2013, the 100,000-ton / year high-purity magnesium hydroxide project was completed and commissioned for commissioning. Through the commissioning of commissioning, problems were discovered and exposed, timely rectifications were made, and the process was continuously optimized and improved. At present, the technological process is completely opened, and the product quality is fully qualified. Magnesium hydroxide products have entered the domestic and foreign markets and have been well received by customers. The installation and commissioning of downstream drying, magnesium oxide, and electrofusion equipment have been completed, the product has been taken off-line, and the reburning process is being completed. After the completion of the above two projects, the company's final product capacity will be: 25,000 tons / year of high-purity magnesium hydroxide, 20,000 tons / year of high-purity magnesium oxide, 15,000 tons / year of high-purity sintered magnesia, and 15,000 tons / year of high-purity magnesia. Pure fused magnesia.