Recently, a technology company in Chengdu ordered our company's combined rotary flash drying equipment for silicon carbide powder drying. After many technical comparisons, the company's technical experts have conducted on-site inspections, technical exchanges, and experiments with our company and have unanimously endorsed our company's rotary flash dryer, which is currently undergoing intense production.
In recent years, with the rapid development of high-tech fields, the market prospect of silicon micropowder is increasingly prominent. The annual consumption of high-purity 1000 mesh ordinary silicon micropowder and ultra-fine crystalline silicon micropowder is maintained at a 20% to 35% annual growth rate. Good resistance to heat, acid and alkali resistance, poor thermal conductivity, high insulation, low expansion, stable chemical properties, hardness, etc. Excellent properties, are widely used in chemical, electronics, plastics, coatings, advanced paint, rubber, defense, etc. field. With the expansion of the scope of application, demand growth will continue to increase, and the market prospects are broad. It will also enter a new period of historical development.
Our company keeps pace with the times, according to the characteristics of silicon powder and the customer's requirements for the fineness of silicon micro-powder, developed a flash dryer for silicon micropowder. The following improvements have been made to the traditional flash dryer:
(1)Since the fineness of silicon micropowder reaches more than 1200 meshes, the traditional flash dryer bearings are extremely easy to enter into powder. From the user's understanding, it is necessary to replace the bearings in an average week, which is not conducive to continuous production; The main bearing adopts multiple seals, which completely solves the problem of powder in the bearing.
(2) The fineness of silicon micropowder after drying in a conventional flash dryer cannot reach 1200 mesh. After many tests by our company, after setting the classifying ring, the fineness of the product is very uniform and can be fully achieved after testing by two users. Claim;
(3) The moisture content of silicon micropowder products is generally controlled at about 0.5 to 0.3%. The conventional flash dryer can only control moisture at about 2%. The flash dryer produced by our company adopts two-stage drying, and the temperature of hot air inlet is controlled at 220 Above °C, the moisture content can be controlled below 0.5%, and the double-stage dryer is also more energy-efficient than the conventional flash dryer and has a higher heat utilization rate.
(4) Due to the fineness of silicon powder, ordinary filter bags will appear to run powder. Our pulse bag filter bag adopts imported film filter bags, and the collection efficiency is over 99.9%.
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Dongguan New Decoration Material Technology Co., Ltd. , https://www.xsjmim.com