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Kaolin Chemical Hollow Paddle Dryer

Kaolin chemical hollow paddle dryer Selection of equipment: KJG hollow paddle dryer First, the material overview: The pure kaolin has the advantages of high whiteness, soft and easy dispersion in water, good plasticity and high adhesion, excellent electrical insulation performance; good acid...

Product Details

Kaolin chemical hollow paddle dryer


  First, the material overview:
  The pure kaolin has the advantages of high whiteness, soft and easy dispersion in water, good plasticity and high adhesion, excellent electrical insulation performance; good acid resistance, low cation exchange capacity, better fire resistence and other physical and chemical properties. Therefore, kaolin has become a papermaking, ceramics, rubber, chemicals, coatings, pharmaceuticals and defense and other dozens of industries necessary mineral raw materials. Kaolin in the paper industry is widely used. There are two main areas, one for the paper (or paper) used in the process of packing, and the other is used in the surface coating process of the pigment.


  Second, kaolin chemical hollow paddle dryer overview:
  Hollow Paddle Drier can indirectly heat or cool the paste, granules and powder or slurry materials. It is a combined unit for drying , cooling, sterilizing , reacting or low temperature calcining. This special wedge type processor use agitator form to develop its higher efficient of heat transfer. The wedge-shaped agitator blades are self-cleaning. It is one kind of continuous and energy-saving dryer.

There are wedge-shaped hollow paddles in hollow axis,and heat medium is from-40oC to 320oC, the heat medium is steam or hot air or heat conduction oil and so on. Indirectly heating way does not take the energy, so the energy is used for heating material. The energy loss is only heat emission of heatkeeping layer. The transferring heat of wedge-shape side takes cleaning actions. 

  It can clean waste material in wedge-shaped size.The body of wedgeshaped hollow paddle dryer is W shape.There are 2-4 hollow mixing axes in the body.In order to avoid discharging material dust and to collect material solvent, there is a sealed cover on top of body. A baffle is on the outlet of discharging material, in order to keep the height of materials. The heat medium (such as steam or thermal oil) will flow into chamber jacket and hollow mixing axis through rotary join. Hollow mixing axis has different inner structures according to different types of heat medium, which will ensure of best heat transferefficient.


  Third, kaolin chemical hollow paddle dryer characteristics:
  1. Low energy consumption, as the heat flow is indirect, there is no large volume of sweep gas flow through the unit, which will carry heat away from dryer.Take slurry as example, heat requirement maybe as low as 1.2kg of steam/kg for evaporating 1kg water in hollow paddle dryer.

  2. Paddle 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 construction area and building space.
  

  3. Wide variety of process problems can be solved by using any kinds of heating source. It is specially suitable for drying heat sensitive materials and ligh temporature materials.The normal heat transfer medium can be steam, heat transfer oil, hot water, as well as cooling water etc…

  The dryer can be used for continuous or batch processing. It has been widely used in many industry areas already.
  

  4. Environmental pollution is small: do not use the air wich carries dust material. Material solvent evaporation is very small, easy to handle. For the pollution of the material or the need to recover the solvent conditions, can be used closed circuit.
  

  5. Low operating costs: the device normal operation, only 1 person/day. Low-speed mixing and reasonable structure. Wear rate is very low, maintenance costs are very low.
  

  6. Stable operating continuously: Because of the special compression and inflation of agitation function of paddle dryer, the material grains touch the heat-transfer area thoroughly. Within the axis direction, the temperature, moisture, mixture and grades of the materials is very small so as to guarantee the stability of whole process.

  If the kaolin chemical hollow paddle dryer meets your requirement, welcome to buy the high quality and durable dryer from our factory. Well acknowledged as one of the leading manufacturers and suppliers of kaolin chemical hollow paddle dryer, we must be your best choice. Please contact us, whatsapp and mobile: +86 13685210107.

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