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OSC Air Swept Rotary Wing Dryer

【Applicable material】:Sludge cake from belt dehydration, centrifugal dehydration, screw dehydration and plate frame filtering process.
【Production capacity】:0.5-10T/H.
【Material moisture】:80%-25%.
【Application range】:Household sludge, waste water treatment plant, feedstuff and biomass industry.Drying of filter cake raw materials in the fields of medicine, food, industry and chemical industry.

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  Taeda E-style C-type Rotary Wing Dryer makes up the technical gap in drying machine which can integrates drying and crushing into a whole. This new type dryer can be used to dry materials with 95% moisture content. It can be also used to dry materials with less moisture content without special feeding condition. Air velocity and material’s retention time are changeable. Also, materials suitable for being dried by this kind of dryer is not singular. With wide application fields, it can be used to dry granular materials and power materials. According to discharged temperature and material’s size, residual moisture of final products differ, from 1% to 10%. 

  This series of equipment can be used to dry wide range and various type of materials such as Aluminum hydroxide, bentonite, bone meal, liquor, calcium carbonate, cellulose, ceramic fiber, grain, animal waste, fruit residue, animal protein, municipal waste, various sludge and etc. 

  After drying process, sludge can be used as gardening soil, planting soil, foundation soil and cohesive soil in cement industry, which can effectively realize harmless reutilization of sludge and achieve energy-saving and circular economy aim. Secondary pollution can be completely avoided. 

Techncial Advantage

  E-style OSC Rotary Wing Dryer is Taeda fifth generation technical innovation, with super less occupation area, low energy consumption and good drying effect. 
  Now share a table comparing multiple sludge drying equipment:

No. Equipment name  Output Power Electricity Coal consumption Labor force Occupation area
1 First generation traditional rotary dryer 1t/h 37kw 25.9° 400-500kg 5 260㎡
2 Second generation sludge rotary dryer  1t/h 30kw 21° 300-400kg 4 230㎡
3 Third TDOSA European style dryer 1t/h 22kw 15.4° 200-350kg 4 180㎡
4 Fourth generation Double-shaft hot air mixing dryer 1t/h 18.5kw 13° 200-300kg 3 140㎡
5 Fifth generation TDOSC air swept rotary wing dryer 1t/h 15kw 11° 100-250kg 2 90㎡

Features of new type OSC dryer: 
  ◎This dryer holds wide application range, can be applied to deal with materials which cannot be dealt with by common dryer. 
  ◎Whole drying system holds strong controllability. Can be matched with various fuels, like natural gas, oil, or oil. Discharging system is controlled by temperature instrument in discharging tube. 
  ◎This drying system adopts advanced drying technology in international world, with good drying effect. 
  ◎Can be used to deal with wide range of raw materials, from low-solid slurry to low-moisture powder, can be used to deal with almost any kinds of raw materials. 
  ◎Raw materials’ routine in dryer can be controlled, final products’ state can be flexibly adjusted. 
  ◎This dryer can use coal, electricity, oil, natural gas as heat source. Drying hot air can be classified into primary hot air and secondary hot air. 
  ◎ Equipment disposal capacity is in a wide range, from 100kg to several tons.
  ◎Working efficiency is 70% to 90% (will be different if heat mode is not same). 
  ◎Production process is environment friendly, final products holds uniform particle, with less occupation area, final products hold high quality. 
  ◎With reasonable equipment structure, low occupation area, low noise, low vibration. Adopt reliable PLC control. Matched with efficient and clean combustion furnace and tail gas purification system, can achieve efficient, low energy-consumption and zero pollution aim. 

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  E-style OSC Rotary Wing Dryer(also called AST dryer) adopts the most advanced drying technology. It can almost deal with any kinds of materials, from low-solid contents to low-moisture powder. Materials’ routine in dryer can be easily controlled. Therefore, this drying system can be used to produce dry fine powder and moist granular materials. There are three separate zones set in the drying system. Central retention zone decides the residual moisture and physical size of final products. Although this drying system adopts high temperature difference, but same with majority instant dryers, products’ temperature is lower than wet ball humidity. Heat source of this dryer can adopt oil-fired or gas-fired hot air fan. Generally speaking, heat source device is always integrated with drying cylinder. Products can enter terminal region directly from drying tubes. Final products can be collected by separator and bag filter. This series of dryer contains 9 sizes. Evaporation speed can reach as high as 8ton per hour.

  From the mechanical structure of the equipment.Taeda AST rotary wing drying crushing machine is a new innovative drying equipment developed by Taeda based on absorbing foreign advanced technology. It combines advantages of rotary drum rotary wing dryer (E-style dryer), airflow dryer and paddle dryer. Air swept dryer is especially suitable for drying task of low solid and liquid state materials, like sludge, spent grain, desulfurized gypsum, alumina hydroxide filter cake, plasma and other similar materials.

  Drying medium (hot air) enters dryer through air inlet. Materials are fed to dryer through feeding inlet by screw feeding unit. Wet materials will be dispersed and stirred by air swept device inside drum. Moisture will be evaporated fast after fully contacting with hot air. Under the function of air flow force, wet materials enter second stage where residence time is extended under the function of material-backing device and damper. Meanwhile, dried materials at rear part will fully mix with material at front part. Materials present suspension state. Owing to mixing, stirring and crushing function, heat exchanging effect can be done sufficiently. Dried materials will be discharged out together with hot air from discharging outlet and drying process is finished. Please refer to following chart for work process.

Mixing, crushing, granulating and drying process are finished in one machine under granule production mode. Wet materials can be dried into dry powder one time under super-dry powder production mode and final moisture is lower than 5%.
High thermal efficiency; under the function of rotary wing shaft, materials present boiling suspension state, which makes wet materials fully contact with hot air. Thermal efficiency is higher than common dryer.
Advanced technology, low noise and high automation level. It adopts international advanced technology and we have good command of core technology and running parameters.



Item TDOSC310 TDOSC510 TDOSC1010 TDOSC2010 TDOSC3010 TDOSC4010 TDOSC5010
Thermal value(10^4kCal/h) 10 15 30 65 130 180 250
Hot air(m3/h) 2500 3720 7500 16000 32000 45000 70000
Max evaporation(kg/h H2O) 360 550 1100 2200 4500 5500 7800
Power(kW) 7.5 11 30 55 75 110 160
L(mm) 3800 4080 5200 5500 6500 10500 12000
W(mm) 1200 1500 2200 2900 3200 3800 4580
H(mm) 835 1000 1390 1800 2200 2680 3320

       Taida Company has three registered trademarks, 中联泰达,ZONELION and TAEDA. We focuses on providing technical supports and services for various Water Companies and Wastewater Treatment Plants. Taeda sludge drying equipment serves multiple fields and various application situations.

Taeda concept: Profession, Efficiency, Innovation and Cohesion

Taeda Culture: Whatever is worth doing at all is worth doing well.

Whatever is worth doing well is worth doing happily.

If you need deep sludge disposal solutions or have already got bid of relevant projects, please contact us for equipment purchase or cooperation discussion.

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