Starchy residue is the by-products which produced when the potato, sweet potatoes, cassava and other agricultural products produce starch production, the moisture is about 80%, as for high moisture content, heavy viscosity, with the traditional drying process equipment, drying temperature is high, slag starch Gelatinization chemical reaction, dextrin clogging material particles pores, water evaporation does not come out, the particles surface turned yellowish black, "outside the coke within the soft", a serious impact on the sale of dry residue; drying temperature is low, the moisture cannot drying below 15 % at all, dryer sticky wall, gelatinization, agglomeration, drying equipment can not do normal production,this will lead to the impaired interest of the customers.Dingli brand starch slag dryer is based on the research and development for characteristics of raw material such as cassava, potato slag, and after a few sets of dryer producing experience, which can drying all kinds of potato residue below 12% in one time. The equipment used by the company's "mechanical dehydration + drum drying + pulse air drying " special Chinese patent technology, an effective solution to the traditional dryer which can not dry cassava, potato residue problems, drying material with perfect color, good quality, production line of energy saving and environmental protection ,with safe and stable operation,which praised by many new and old customers.
Material flow : 75-85% moisture content material first with special dehydration machine removing a part of moisture, the moisture removed around 68%, then send into the dryer by screw conveyor to realize downstream drying. Under the effect of inner shoveling plate, materials are took and scattered constantly, and move in spiral forward method. Inside mixing blade device will be fully stirred and crushed material, material and hot air through full heat exchange, the rapid evaporation of water vaporization, reaching about 35%, discharged by the screw conveyor, then send into the semi-wet material crusher, crushed material size below 1mm, then into pulse air drying process, within 10-15s the material quickly removed to 10%(It can avoid the saccharification and gelatinization of materials during the drying process, resulting in blackening of appearance of the material) by the cyclone discharger and Pulse bag dust collector recovery dry powder, exhaust emissions amount to the national standard requirement, to complete the entire drying process. Drum cleaning device is installed inside the drum to prevent the material from adhering to the cylinder wall.
Air Flow: The air through hot blast stove fan inflating, the air enters into the hot blast stove for combustion heating. Its temperature reaches up to 600-850℃, then it is inhaled by the dryer induced draft fan absorted to dry material and evaporate water. Through the heat exchange drying the material. When temperature decreases to 55-85℃, it is discharged out of the dryer. Wet dust are discharged on standard through the cyclone and the pulse dust collector purifying and emission.
|Specification||Capacity(t/d)||Output(t/d)||Evaporation Capacity(t/h)||Raw Material Moisture(%)||Dried Material Moisture(%)||Drying temperature(℃)||Power(kw)||Weight(kg)||Area|
|DLZG1208||43.7||25.7||0.75||80±5%(Mechanical dehydration to around 68%, and then dry by dryer)||10% (adjustable)||350-450℃||55||25000||5m*20m|
Fast drying and high efficiency
Special Dryer for Starchy Residue has the characteristics of high temperature resistance and can dry raw material with high temperature hot air.
Low consumption and low cost
Special Dryer for Starchy Residue has strong anti-overload capability, large processing capacity, low material consumption and low drying cost.
Low wear and long life
adopts "centering roller device", which makes the roller and roller ring have linear contact, which greatly reduces wear and power loss.
Low load, no block
new feeding and discharging device, which eliminates the blockage, discontinuity, unevenness and returning of rotary drum dryer, and reduces the load of the dust removal system.
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