Detailed description

1. Description:
    Oar blade harrow Dryer a new type drying machine ,which is designed with the combination of  oar blade dryer heat drying principle, with a higher drying efficiency, for a variety of raw materials.
    The inner equipped oar blade and screw with continuous ,axial and radial mixing of raw materials ,make the materials to be dried more evenly.With applied both oar blade and screw, when the raw materials were turned over by mixing blades, they speed up the  materials contact with heating surface of the dryer,so heat transfer rate is increased,and is conducive to moisture evaporation.

2.Structure
2.1 The loading cylinder of raw materials will be equipped with heating jacket,and heat insulation layer will be equipped outside the jacket,which will prevent the heat be transferred ,and also reduce the heat loss. Discharge hole is equipped with the lower part of the cylinder, on the top of the cylinder with two feeding holes and an  air exhaust outlet.When feeding,the raw materials should be fed equally from the two feeding holes,the best feeding capacity is about 60%-80% of the volume of the cylinder,the max feeding capacity should not exceed 80%,otherwise will affect the smooth discharge of gas evaporation  .When the sticky raw material is feeding,the feeding capacity should be reduced, to prevent the drive motor overloaded, damage to equipment.
2.2 Hollow shaft is set inside the center of of the cylinder,in heating medium will be put into the shaft( like hot conduction  oil or hot water).
2.3 On the  hollow shaft distributed with oar blades with certain angle,the oar blades are also hollow within heating transferred,inlet and outlet of hot oil conduction  are equipped inside of the blades,to ensure the heat transfer efficiency during the drying
2.4 Seals: Packing seals are equipped during shaft and cylinder.
2.5 Transmission：Except the special models,we normally apply the chain or gear transmission style.Pivot bear apply duplex bearing combination ,with tapered roller bearing and deep groove ball bearing combined,to meeting the requirements of radial and axial force.

3.Structure features：
3.1 Compact structure,small occupied area.
3.2 High utilization of heat,low  operation cost.
3.3 Wide adaptability of raw material,the drying degree is evenly.
3.4 Suitable for drying many kinds of raw meterials.

4.Usage:
Suitable for medicine ,chemical,food industries with compact structure, and other industries without organic solvents or flammable material of the conductive drying.

5.Technical parameters

6.Working principle
    The main structure of oar blade harrow dryer are round cylinder and one rotary hollow shaft equipped in the center of the cylinder.On the shaft are distributed hollow oar blades,the heating are transferred by  jacket in the cylinder and the surface of the hollow blades,and the moisture evaporated.During heating,the blades will also mix the materials,so that update the heating area.It is a continuous heating transferred dryer.

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