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Rotary dryer, also called rotary drum dryer or rotary drying equipment, is a kind of heating device, making the material reach a certain drying degree or certain moisture content. Rotary dryer machine is widely suitable for drying slag, limestone, coal powder, clayand other materials in such industries as building materials, metallurgy, chemical industry, cement, etc. Rotary drum dryer uses reasonable operating parameters, and its coal and electricity consumption is 10-15 % lower than ordinary dryer. The hot air temperature also called drying medium temperature, is the most sensitive condition of dryer in drying process. The higher hot air temperature is, the lower relative humidity and hot air is, thus having the stronger ability to absorb moisture, carry water, and conducive to drying with high drying thermal efficiency. In many drying equipment such as rotary drum dryer, mining dryer, when the other conditions are the same, the dehydration ability of drying machine is proportional to the hot air temperature change. In the selection of rotary drying equipment, you should have sufficient data about the limit temperature to damage materials. Under the circumstances of materials can afford, try to choose the high temperature medium. Pay Special attention to many kinds of drying methods, especially the rapid drying, dried materials temperature is much lower than the medium temperature. For example, air temperature of air flow drying machine is up to 250 degrees, while the discharge temperature is generally below 60 degrees. Henan Fote Heavy Machinery Co., Ltd. is a professional rotary dryer manufacturer in China, and the rotary dryer has reasonable price, good quality, high productivity and low energy consumption. The main dryer machine includes sand rotary dryer, chicken manure dryer machine, iron ore dryer, cassava slag dryer, coconut shell drying machine and so on. Welcome to visit and purchase: info@sinoftm.com.   sludge drying machine: http://www.chinaftm.com/products/Sludge-dryer.html
Rotary kiln belongs to building material equipment, and it can be divided into cement kiln, metallurgy chemical kiln and lime kiln according to different materials. As a kind of widely used equipment, lime rotary kiln plays a very important role in production. Lime kiln is used for baking active lime and dolomite in the steel factory and ferroalloy factory. As material is rotated for a long time in the lime rotary kiln, the tar will be connected to fire brick of lime rotary kiln, which will have an adverse effect on production process. Henan Hongxing Mining Machinery Co., Ltd will describe detailed condition on this problem in this text. The connection of tar and fire brick of lime rotary kiln gives rise to insufficient air within kiln. Burning zone of limestone rotary kiln will be extended, and the strength of flame in the horizontal lime kiln will be very strong, causing thawing of body in high temperature, which accentuates the problem. We can take the following approach to solve this problem: put prevention first, and monitor the condition of preparation zone in the rotary kiln carefully. If there is strong flame in the preparation zone of rotary kiln by sight of it, a certain amount of high-temperature gas shall be drawn out for cooling. For serious condition, approach of direct fire setting cooling may be taken. In addition, fire speed shall be controlled effectively at any time. If rotary limestone kiln is equipped with bootstrap system, cooling of kiln tail may be achieved by bootstrap system. If it fails to be equipped with this equipment, reduction of temperature can be realized by lowering the air brake of lime rotary kiln, slowing down forward speed of flame of rotary kiln or dispersing flame. Welcome to visit Hongxing Machinery: sales@hxjq.com.   dry and wet types rotary kiln: http://www.china-sandmaker.com/product/pp19.html
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