Fly ash grinding process and technology

With the development of industrial production and the increase of human population, waste generation has its inevitability. And a large number of industrial waste residue, variety, complex composition, especially in the comprehensive management of high moisture content of light is more difficult to storage or transformation of waste residue and environmental protection are inseparable. The necessary drying process can be used to recycle the useful substances and energy. The high moisture content of light residue after drying treatment, can be directly used as cement admixture or the use of raw materials, has a good development and utilization value. I was assigned to Xinjiang, the mainland, and technical personnel engaged in the environmental protection industry, this year due to the Autonomous Region Environmental Protection Agency research, access to comprehensive treatment of fly ash from power plant's information and technology, has a better understanding, we believe in Xinjiang and the fly ash industry friends help. As we all know, we Xinjiang is located in the border area, technology is introduced from the mainland, our environmental pressures, in recent years the rapid development of economy in Xinjiang, although the overall economy to lag behind the mainland provinces, but we can never step in the mainland's footsteps, received the task, we examined a large amount of information, there is a new understanding of the industry.

China is a country with coal as the main energy, coal output ranks the first in the world, most of the power to rely on coal, coal each year due to produce a large amount of fly ash, if not used effectively, not only a waste of resources, but also pollute the environment. In recent years China's annual coal production is 22-24 million tons, according to the average 10-15% content of fly ash, 2-3 million tons of fly ash for at least a year, most of them fly ash, so a large number of fly ash to deal with every year. China's current level of utilization of fly ash is very low, such as used in the production of cement, roadbed material and bricks used in construction, at the same time, the utilization rate is very low, less than 10% of the total. At the same time, if the unburned carbon in fly ash content is more than 6%, are not used in the production of cement. The comprehensive utilization of fly ash in the process, one of the most important is the grinding process, grinding process and grinding equipment choice is particularly important in relation to the grinding efficiency and production cost. Current common fly ash grinding machine grinding the material in question is: speed, material ball ratio is low, serious "grinding", the technical parameters and the grinding media grading is not reasonable, lining board, partition board, the export of grate plate structure is lack of pertinence, which is the main reason of fly ash grinding machine low efficiency, high energy consumption. "Mill" - fly ash powder tube, grinding process of system transformation of fly ash, and achieved good social and economic benefits, has been applied in dozens of enterprises, that can improve the fly ash pipe mill output of 35 to 40%, saving more than 25%, and can improve the quality of grade powder ash, broad application prospects.