The Drum 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.
This machines adopts low-speed rotation, curved plate hammering, dispersing raw material, make the high temperature air flow mixed with raw material to achieve the drying purpose. It is mainly applied to drying process of all kinds of powder material. It can be widely used in the fuel factory, fertilizer factory, chemical factory, medicine factory and so on.
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. Material to be dried enters the dryer, and as the dryer rotates, the material is lifted up by a series of internal fins lining the inner wall of the dryer. When the material gets high enough to roll back off the fins, it falls back down to the bottom of the dryer, passing through the hot gas stream as it falls. 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. When the gas stream is preheated by some means where burner combustion gases do not enter the dryer, the dryer known as an indirect-heated type. Often, indirect heated dryers are used when product contamination is a concern. In some cases, a combination of direct-indirect heated rotary dryers are also available to improve the overall efficiency.
Applicable raw Material: Saw dust, rice husk, organic fertilizer whose moisture rate is high, as well as some chemical products, foundry sand, medical products and mixed coal.
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Shandong Kingoro Machinery was established in 1995 and has 23 years of manufacturing experience. Our company is located in beautiful Jinan, Shandong, China. We can supply wood complete pellet machine production line for biomass material, include chipping, milling, drying, pelletizing, cooling and packing, according to different requirements of our customers. We also offer industry risk evaluation and supply suitable solution according to different workshop. Kingoro as an advanced manufacturer of biomass pelletizers, owns 17 national patents and has obtained IS09001 quality system certification, CE certification, and SGS certification.
Our service: 1) 24 hours online service. 2) All-the-way tracking service offered from placing order to delivery. 3) Free training for operation, debugging and daily maintenance. 4) We can provide professional guide installation. 5) One year warranty and all-round after-sales service. 6) Customized design and flow chart are available for our clients. 7) Independent R&D team and strict & scientific management system.
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