Structure and Application of Rotary Dryer
Dryer machine, which is also known as rotary dryer, limestone dryer or cement rotating dryer, is the key equipment to dry different materials with humidity or granularity in various field. According to its shape, it is also called drum dryer. China is one of the major countries to manufacture such dryer, therefore, China dryer is the best-selling product in the world. In China, Hongxing Machinery is the manufacturing base of mining machine.
The rotary dryer is a type of industrial dryer employed to reduce or minimize the liquid moisture content of the material it is handling by bringing it into direct contact with a heated gas. The dryer is made up of a large, rotating cylindrical tube, usually supported by concrete columns or steel beams. The dryer slopes slightly so that the discharge end is lower than the material feed end in order to convey the material through the dryer under gravity.
This gas stream can either be moving toward the discharge end from the feed end (known as co-current flow), or toward the feed end from the discharge end (known as counter-current flow). The gas stream can be made up of a mixture of air and combustion gases from a burner, in which case the dryer is called a direct heated dryer. Alternatively, the gas stream may consist of air or another (sometimes inert) gas that is preheated.
1. System Structure:
Rotary dryer is a turn of the steel plate round metal Jane, USES the steel plate welded, cylinder with tyer and big shop wheel, drum tyer by supporting ‘in the round, LunDai a pair of block round on both sides, to denote and limit the cylinder body along the sloping direction channeling move, barrel, reducer driven by motor gear return. Because of the cylinder body has a certain slope and turn constantly, make the material by gravity, from the cylinder body is one end of the business to a low side of mobile, in removed process was gradually hot dry gas.screw classifier:http://www.hxjq-mill.com/products/screw_classifier.html
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2. How is it work?
Materials are sent to hopper of rotary dryer by belt conveyor or bucket elevator. The barrel is installed with slope to horizontal line. Materials enter the barrel from the higher side, and hot air enters the barrel from the lower side, materials and hot air mix together. Materials go to the lower side by gravity when the barrel rotates. Lifters on the inner side of barrel lift materials up and down to make materials and hot air mix completely. So drying efficiency is improved.
3. What are its Characteristics?
Reasonable design; High-efficiency; Low consumption, energy saving; Easy to maintain; Easy to operate; Quick deliveries; Solid construction; Proven design; Customized for every application; Best price on the market.
4. What areas can it be applied?
It is used for drying materials with humidity or granularity in the industries of mineral dressing, building material, metallurgy and chemical. It can be used for drying many kinds of materials and with convenient and reliable operation; therefore, it has been widely used.
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