paddle dryerIs a heat conduction-based horizontal stirring dryer, its main structure with a jacket.The W-shaped shell is equipped with pairs of hollow low-speed rotating hollow shafts. Several stirring hollow blades are welded on the shafts. Heat carriers are introduced into the jacket and the hollow stirring blades. The two heating surfaces heat the materials at the same time. Therefore, this type of dryer has a more prominent heat transfer rate than ordinary conduction dryers. According to requirements, this type of dryer can be designed as double-shaft or multi-shaft type. This kind of dryer has three types of normal pressure, airtight and vacuum. Paddle dryer can be used in drying, heating, cooling, calcination, sublimation, pyrolysis, reaction and other processes.

Performance characteristics:

Low energy consumption: it belongs to the typical conduction drying, high thermal efficiency, energy saving 30% ~ 60% more than the usual convection drying;

The system cost is low: the unit effective volume has a huge heat transfer area, shorten the processing time, equipment size is small, greatly reducing the construction area and building space;

③ Wide range of processing materials: the use of different thermal media can not only process heat-sensitive materials, but also process materials that require high temperature heating. Commonly used media are: water vapor, heat conduction oil, hot water, cooling water, etc. Can be continuous operation, can also be intermittent operation, wide application field;

No environmental pollution: the system is closed operation, less dust entrainment, easy to handle.

⑤ Low operating cost: the equipment only needs to be inspected during normal operation. Low-speed mixing and reasonable structural design, equipment wear is small, low maintenance costs.

Stable operation: due to the special compression-expansion and stirring effect of the wedge-shaped blade, the material particles are fully in contact with the heat transfer surface. In the axial range, the temperature, humidity and mixing degree gradient of the material are very small, thus ensuring the stability of the process.

⑦ can be operated under vacuum, can recover the solvent, can also complete the high boiling point viscous material volatile evaporation removal operation.

Application areas:

inorganic chemical industry: nanometer superfine calcium carbonate, ink calcium, papermaking calcium, toothpaste calcium, magnesium-containing calcium carbonate, light calcium carbonate, wet activated calcium carbonate, magnesium carbonate, magnesium oxide, magnesium hydroxide, phosphogypsum, calcium nitrate, calcium sulfate, kaolin, barium carbonate, potassium carbonate, iron black, iron yellow, iron green, iron red, soda ash, potassium nitrogen phosphate compound fertilizer, bentonite, white carbon black, carbon black, sodium fluoride oxide, sodium cyanide, aluminum hydroxide, aluminum hydroxide, cobalt oxalate, cobalt oxalate.

Organic chemical industry: indigo, dye organic red, dye organic yellow, dye organic green, dye organic black, polyolefin powder, polycarbonate resin, high (low) density polyethylene, linear low density polyethylene, polyacetal particles, nylon 6, Nylon 66, nylon 12, acetate fiber, polyphenylene sulfide, propylene-based resin, engineering plastics, polyvinyl chloride, polyvinyl alcohol, polystyrene, polypropylene, polyester, polyoxymethylene, styrene-acrylonitrile copolymerization, ethylene-propylene copolymerization, etc..

Smelting industry: nickel concentrate powder, sulfur concentrate powder, copper concentrate powder, zinc concentrate powder, gold anode slime, silver anode slime, DM accelerator, tar dephenolization, etc.

Environmental protection industry: municipal sludge, industrial sludge, PTA sludge, electroplating sewage sludge, boiler soot, pharmaceutical factory waste, sugar factory waste, monosodium glutamate factory waste, coal ash, etc.

Feed industry: soy sauce residue, bone-based feed, lees, food scrap, apple pomace, orange peel, soybean meal, chicken bone feed, fish meal, feed additives, biological slag mud, etc.

Food and medical industry: starch, cocoa beans, corn kernels, salt, modified starch, drugs, fungicides, protein, avermectin, medicinal aluminum hydroxide, penicillin intermediates, Deng salt, caffeine.