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Changzhou Zhenglu town industrial area



Annual production capacity exceeding 100 million yuan

KJG series hollow blade dryer

The company in the absorption of advanced technology at home and abroad on the basis of improved, optimized design of the wedge-shaped hollow paddle dryer, paste, granular, powdery, slurry material indirect heating or cooling, can be completed dry, , Heating, sterilization, reaction, low temperature calcination and other unit operation. Special wedge-type mixing heat transfer blades in the device, with high heat transfer efficiency and heat transfer surface self-cleaning function.


Overview Description

The hollow shaft is packed with wedge-shaped hollow blades, and the heat medium flows through the hollow shaft through the blade. Unit effective volume within the heat transfer area is very large, the temperature of the heat medium from -40 ℃ to 320 ℃, can be water vapor, it can be liquid type: such as hot water, heat transfer oil. Indirect conduction heating, no air to take away the heat, heat are used to heat the material. Heat loss is only through the body insulation layer to the environment heat. The wedge-shaped blade heat transfer surface has a self-cleaning function. The relative movement of the material particles and the wedge surface produces a scrubbing effect, which can wash away the material attached to the wedge surface and keep the clean heat transfer surface in operation. The blades of the paddle drier are W-type, and two to four hollow agitators are arranged in the housing. The housing has a sealed end cap and an upper cover to prevent material dust from leaking and to collect material solvent vapor. The output of the mouth set a block pull, to ensure that the material level, so that the heat transfer surface is covered by materials and play a full role. The heat medium is driven by a rotary joint through a shell jacket and a hollow stirring shaft. The hollow stirring shaft has a different internal structure depending on the type of heat medium to ensure optimum heat transfer effect.



Mud food industry: starch, cocoa beans, corn kernels, salt, modified starch, drugs. Chemical industry: soda ash, nitrogen, phosphorus and potassium compound fertilizer, kaolin, bentonite, white carbon black, carbon black, phosphogypsum, oxidized sodium fluoride, calcium nitrate, magnesium carbonate, cyanide

Sodium, aluminum hydroxide, barium sulfate, calcium sulfate, calcium carbonate, dyes, molecular sieves, saponin.



The blade dryer has been successfully used in food, chemical, petrochemical, dyes, industrial sludge and other fields. The equipment heats up, cools, and agitates the following unit operations: calcination (low temperature), cooling, drying (solvent recovery), heating (melting), reaction and sterilization. Stirring blade is also a heat transfer surface, so that the unit effective volume within the heat transfer area increases, shortening the processing time. Wedge-type blade heat transfer surface and has a self-cleaning function. The compression-expansion stir function makes the material mix evenly. Material in the axial direction into a "piston flow" movement, in the axial section, the material temperature, humidity, mixing gradient is very small.

● With heat transfer oil to do heat medium, paddle dryer can be completed low temperature calcination work. Such as: calcium sulfate dihydrate (Ca SO · 2HO) calcination into calcium sulfate hemihydrate

24 2

CaSO1 / 2HO). Sodium bicarbonate (NaHCO) is converted to soda ash (NaCO) by calcination.

2423 23

● Access to cooling medium, such as water, cooling brine, etc. can be used to cool. Such as: used in the soda ash industry paddle-type cooler machine, replacing the old air-cooled cooler machine, saving energy and exhaust treatment equipment, reducing operating costs, can also be used for titanium dioxide, nickel-iron alloy powder and various powder Material cooling. The material can be cooled from 1000 ° C to less than 40 ° C in a single machine.

● Dry, the most important function of the equipment, do not use hot air, so that solvent recovery, energy consumption, environmental control in the ideal state of easy handling. It is particularly suitable for the solvent to be recovered, flammable and easy to oxidize heat sensitive materials. Has been widely used in fine chemicals, petrochemical, dyestuff industry.

● In the axial section, the temperature, humidity, uniformity of the mixing, so that equipment can be used to heat or melt, or carry out some solid material reaction. In the compound fertilizer and modified starch industry have been successfully used. The paddle dryer can be used to sterilize food and flour. The effective volume of the unit within the large heating area, the material will soon be heated to sterilization temperature, to avoid prolonged heating and change the quality of materials.


Adapt to material

Petrochemical industry: polyolefin powder, polycarbonate resin, high and low density polyethylene, linear low density polyethylene, polyacetal particles, nylon 6, nylon 66, nylon 12, acetate fiber, polyphenylene sulfide, Based resins, engineering plastics, polyvinyl chloride, polyvinyl alcohol, polystyrene, polypropylene, polyester, polyoxymethylene, styrene-acrylonitrile copolymer, ethylene-propylene copolymerization.

Environmental protection industry: PTA sludge, electroplating sewage sludge, boiler soot, pharmaceutical waste, sugar mills waste, monosodium glutamate plant waste, coal ash.

Feedstuffs: soy sauce, bone meal, feed additives, biological slag ● paddle dryer low energy consumption: due to indirect heating, no large carrying Air to take away the heat, the outer wall of the dryer and set the insulation layer, the paddle material, evaporation 1kg water only

1.22kg of water vapor.

● Blade dryer system low cost: the unit effective volume has a huge heat transfer surface, to shorten the processing time. Equipment size smaller, it greatly reduces the building area and building space.

● Wide range of materials used: the use of different heat medium, both heat-sensitive materials, but also deal with the need for high-temperature treatment of materials. Common media are: water vapor, heat transfer oil, hot water, cooling water and so on. Can be continuous operation can also be intermittent operation, can be applied in many areas.

● environmental pollution: do not use to carry air, dust material entrainment rarely. Material solvent evaporation is very small, easy to handle. For the contaminated material or the need to recover the solvent conditions, can be used closed circuit.

● low operating costs: the normal operation of the device, only 1-2 people / day. Low-speed mixing and reasonable structure. Wear a small amount, maintenance costs are very low.

● Stable operation: Due to the special compression-expansion stirring effect of the wedge blade, the material particles are fully contacted with the heat transfer surface. In the axial section, the temperature, humidity and the mixing gradient of the material are very small, The stability of the.

24 hours free calls:


General Manager's Office: +86-519-81235888

Contact: Ms. Lu

Sales Engineering Department: +86-13358165818

Fax: +86-519-81083912

Address: Zhenglu Town, Changzhou City Industrial Zone






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