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A, thisThe three-cylinder dryer in wet materials drying equipment series products, rotary the three-cylinder dryer is in a single cylinder rotary dryer improvement based on the high efficiency and energy saving products. By several enterprise, the application of many industries, and good effects were obtained. Rotary the three-cylinder dryer improved list tube the single cylinder dryer internal structure, increase into the machine before feeding of wet to drying and extend the wet materials in machines the drying time, plus seal, moisturizing and reasonable measures, make the dryer production capacity and the single cylinder than the dryer, improve 50-80%, unit volume evaporation strength can reach 120-180 kg/m3, the standard coal consumption only 6-8 kg/t. With advanced technology, reasonable operation parameters, the operation is simple and feasible. Can be used widely used in every field of slag, clay, coal, iron powder, kuangfen and other mixing materials, construction of dry mortar, yellow sand ranks and chemical industry, such as casting industry drying raw materials.Two, work principleThe material is for loading device into the inside of the turn roller, and realize the downstream drying, material, the copy of next board start to copy, constantly scattered along a spiral type realize heat transfer, and the material move to the other side of the inner into the middle, counter-current drying, material in the middle are constantly repeated Yang into, show into two steps forward and one step back way to travel, and the material is fully absorbed in middle inner cylinder heat release, and absorb the quantity of heat of middle roller, and extended the drying time, and the material in this to achieve the best dry state. Material step to the other end and middle fall into outer, material in the outer roller rectangular in many circuit in travel, achieve the effect of hot air drying of material in quick trip under the action of discharge roller, which did not reach the effect of dry wet material and not for a given quick trip, and the material in the rectangular plate copy that full dry, thus complete drying purpose.Three, main features:1, equipment investment is needed for 1/6 of the imported products. 2, the material end moisture to ensure below 0.5%, is dry mortar and slag powder production line first selection product. 3 and the cylinder body self heat preservation heat efficiency is as high as 70% above (traditional single cylinder dryer is only 35% thermal efficiency, higher heat efficiency is 35%. 4, fuel can adapt to the coal, oil and gas. The 20 mm below to block material, aggregates and powder material. 5, than list tube dryer reduce covers an area of about 50%, reduce the investment for about 50%, 60% lower power consumption. 6, according to user requirement to end of easy control moisture indicators. 7, unable to low temperature, dust removal equipment use time long. 8, no size gear transmission, using "wheel transmission. Three tube type dryer with compact structure, simple structure, rational layout, improving the heat transfer rate, material and heat energy, material drying effect; Basic less input, is only the same output list tube one half of the dryer, reduce the one-time investment; Reliable operation, low energy consumption, high thermal efficiency; At the same time, easy to realize automatic control, reducing operation personnel, save labor resources. Three tube type dryer mainly used for drying certain humidity and particle size range particle materials. Such as yellow sand ranks, sand, slag, cinders, small size clay, and not afraid of high temperature and dust dirty other small particle materials. After drying of material moisture can reach 1-0.5% below
The three-cylinder dryer