Introduction of hollow blade dryer

The hollow blade dryer has a W-shaped housing, and two to four hollow agitating shafts are generally arranged in the housing. The housing has a sealed end cap and an upper cover to prevent material dust from leaking and collecting material solvent vapor. A baffle is arranged at the discharge port to ensure the height of the material level, so that the heat transfer surface is covered by the material and fully functions. The heat transfer medium passes through the rotary joint and flows through the casing jacket and the hollow agitating shaft. The hollow agitating shaft has different internal structures according to the type of the heat medium to ensure the good heat transfer effect of the Z.

How does the hollow blade dryer work?

The hollow blade of the hollow blade dryer is densely arranged with a wedge-shaped hollow blade, and the heat medium flows through the blade through the hollow shaft. The heat transfer area in the effective volume per unit is large, and the temperature of the heat medium is from -40 ° C to 320 ° C. It can be water vapor or liquid type: such as hot water and heat transfer oil. Indirect conduction heating, no air is carried away to remove heat, and heat is used to heat the material. The heat loss is only the heat dissipation to the environment through the insulation of the body. 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 action, which can wash away the adhering material on the wedge surface, so that a clean heat transfer surface is maintained during operation. The housing of the paddle dryer is W-shaped, and two to four hollow agitator shafts are generally arranged in the housing. The housing has a sealed end cap and an upper cover to prevent material dust from leaking and collecting material solvent vapor. A baffle is arranged at the discharge port to ensure the height of the material level, so that the heat transfer surface is covered by the material and fully functions. The heat transfer medium passes through the rotary joint and flows through the casing jacket and the hollow agitating shaft. The hollow agitating shaft has different internal structures according to the type of the heat medium to ensure the good heat transfer effect.

Hollow paddle dryer equipment characteristics

1. The energy consumption of the blade dryer is low: due to indirect heating, there is not a large amount of air carrying heat, and the outer wall of the dryer is provided with an insulation layer. For the slurry material, only 1 kg of shui is required to evaporate 1 kg of shui.

2. The blade dryer system has a low cost: it has a huge heat transfer surface in the effective volume, which shortens the processing time and reduces the size of the device. It greatly reduces the building area and building space.

3. Wide range of processing materials: Different heat media can be used to process both heat sensitive materials and materials requiring high temperature treatment. Commonly used media are: water vapor, heat transfer oil, hot water, cooling water, etc. It can be operated continuously or intermittently and can be applied in many fields.

4. Small environmental pollution: no air is used, and dust materials are rarely entrained. The solvent evaporation of the material is small and easy to handle. Closed loops can be used for contaminated materials or for conditions requiring recovery of solvents.