Alumina disturbed seed decomposition production line successfully built in China

A few days ago, according to industry sources, based on our country with independent intellectual property rights, technical level of the international world alumina micro disturbance seed decomposition reactor was production line at the end of 2019 to build 2.5 million tons of alumina in aluminum companies in guangxi first phase of the project put into production successfully, after nearly a year of production practice has proved that the operation energy consumption, product performance indicators are at the industry level.

Core equipment of this production line is a diameter of 16 meters, 40 meters high, has a capacity of 8000 cubic meters of large disturbance seed decomposition reactor was groove, the world, the most energy-efficient micro disturbance seed decomposition reactor was groove, especially mix very low energy consumption, combined the single slot decomposition mixing plant investment are greatly reduced, created the domestic and foreign similar decomposition groove performance, investment cost the best record, marked the our country seed decomposition of alumina process technology and equipment of large-scale, intensive, greening continue among the world top level, further highlights the aluminum industry in China from the producer to the innovation of technology power.

Before this, the branch of China aluminum industry in guangxi and guizhou academy of sciences, in 2012 the sodium aluminate solution micro disturbance seed decomposition reactor was successfully applied in 14 meters in diameter, 35 meters high alumina mechanical decomposition groove, the first time in the world built mechanical disturbance seed decomposition reactor was fading model line, the whole process production scale of five production lines a total of 2.5 million tons, a single decomposition groove save mixture mixing power consumption by 62.9%, compared to the overall power saving 15.9585 million kilowatt-hours per year, achieved good economic and ecological effect, greatly promoted the seed decomposition of device mixing of alumina in China to change,It leads the design of alumina decomposition equipment gradually to the direction of weakening agitation intensity and simplifying agitation equipment, and the crystal seed decomposition technology is also improved from full mixed flow reaction to flat push flow reaction.

It is reported that the micro-perturbation of alumina in the horizontal thrust crystal seed decomposition technology was proposed by Dr. Su Xiangdong of Guizhou Academy of Sciences research team for the first time in the world.Dr Xiang-dong su team deep decomposition of sodium aluminate solution and its technology and equipment technology development has more than 10 years, has developed a diameter of eight meters pneumatic decay disturbance seed decomposition reactor tank diameter and 14 m mechanical disturbance seed decomposition reactor was fading groove, in their domestic alumina production scale of 10 million tons, obtain good economic and ecological benefits, has won the first prize in science and technology awards China non-ferrous metals industry, guizhou patent gold medal, etc.The patented technology of this project has been authorized in Canada, Australia, Vietnam, Cambodia and other countries, laying a good foundation for One Belt And One Road service.

In recent years, under the guidance of Dr Xiang-dong su, guizhou academy of sciences, institute of guizhou, guizhou province key laboratory of light metals material preparation technology and design, production of alumina domestic enterprises actively carry out innovation cooperation, continue to deepen and expand the sodium aluminate solution micro disturbance seed decomposition reactor technology has achieved, in view of the common equipment, put forward "disturbance + horizontal pushing + cloth" optional combination of the three loci, more adapted to the working condition of change of all sorts of design, and promote to carry out the production practice, built the house, a variety of production demonstration,It has accumulated rich cases and successful experiences for the technological progress and low-carbon development of the seed decomposition process of alumina industry in China.The research team of Dr. Su Xiangdong will constantly scale new heights and push the limits in the great realization of building China into a non-ferrous metal power, so as to make greater contributions to the innovative development of alumina seed decomposition technology and equipment in China.