2015年3月4日星期三

Features of Rotary Dryer

Rotary dryer in the traditional single cylinder rotary dryer structure on has been a significant breakthrough and innovation. Judging from the drying mechanism to exchange materials and hot air more fully, more scientific and rational, the thermal indicators of advanced level. Adapt drying clay, gypsum, coal, slag, coal gangue, mix, dry mortar, sand, iron and other raw materials, but also for a variety of phosphate fertilizer, fertilizer production, raw materials and metallurgy, chemical industry dry bulk materials. 
1. High rotary dryer thermal efficiency, energy-saving effect. After testing, the thermal efficiency is greatly more than the traditional single cylinder dryer 50 * / around the levels. After the dryer equipment put into use, economizer effect is obvious. 
2. The drying mechanism science fair, efficient and energy saving. Material of the inner cylinder with the hot gas to the radiation, convection, conduction, heat exchange form, the outer cylinder of heat exchange by conduction, convection and dried form. 
3. Shorten the length of the aircraft, is conducive to process layout. Overall length shorter than the single cylinder dryer about 40 * / so, thereby reducing plant construction area, saving engineering investment, but also more suitable for the old plant transformation process layout. 
4. The machine uses hot air downstream drying materials and technology, combined with a wide range. It can adapt to the drying clay, coal, slag, iron and other raw materials, but also for drying together metallurgy, chemical and other bulk materials section. 
5. The machine is compact. Overall level layout, the use of wheel bearing, gear size canceled and replaced by the idler gear, making installation more convenient, manipulate more simple, more reliable, higher operating rate. 
6. Automatic temperature control system, make the operation more convenient.
 7. A variety of lifting plate design, angular lifting plate lifting plate with thousands of words combine to make the material more fully with the hot flue gas exchange, reducing the dryer cylinder of "wind tunnel" generation mechanism. 
8. Frequency control, adjusting cylinder speed dryer equipment, according to water into the machine, production requirements, with appropriate speed, ensure that the needs of the next process.
 9. The external surface area of the aircraft than monocular rotary dryer reduced by more than 30%, and the outer tube inner cylinder has a thermal insulation effect, the outer tube surface temperature is low, less heat loss in energy efficient, while greatly improving the the working environment and working conditions.

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