Spray drying tower technology features used in the ceramic industry

In the past, conventional ceramic granulated powders were pressure spray-dried. Due to the high height, high energy consumption and thorough cleaning of this type of equipment, the total height of these spray drying towers does not exceed 5 meters, which greatly reduces the user's Factory investment, advanced hot air system completely eliminates the existence of scale, so that ceramic powder reduces pollution, and all performances exceed the powder produced by pressure spray drying tower.

Spray drying tower is suitable for plastic additives, food additives, chemical additives, stearic acid, monoglyceride, paraffin and other solids, fat powder, palm oil, polyethylene grease, amino fatty acid, paraffin, glycerate, tallow Spray-cooling granulation of molten chemical materials such as food additives and plastic additives, all of which have reached the international advanced level and can meet various requirements for customer's product granularity.

Spray drying tower technical features

1. The specially designed vortex air distributor strengthens the heat exchange between the cold air and the hot melt droplet according to the basic principles of aerodynamics and fluid mechanics. At the same time, the system inlet adopts the reverse parallel flow mode to ensure the hot melt. The mist droplets are sufficiently effectively cooled by the cold air to complete the cooling granulation process.

2. The spray drying tower granulation tower adopts a jacketed air-cooling device to ensure that the “hot-melting wall” phenomenon of the material does not occur on the inner wall of the granulation tower. The “low-hat” exhaust structure device ensures that more than 90% of the finished product is collected at the bottom of the granulation tower, and only a small amount of fine powder enters the cyclone separator, which reduces the gas-solid separation pressure of the cyclone separator.

3. The air entering the spray drying tower granulation tower system passes through the primary, middle and sub-optimal three-stage filtration, and the purification level reaches over 300,000.

4. The inner wall of the granulating tower, the powder discharging pipe and the cyclone separator are made of SUS304/BA mirror stainless steel plate. The weld treatment is all argon-shielded welding, the weld is smoothed and polished, and the polishing precision reaches 0.3μ, effectively preventing the pipeline. The phenomenon of accumulated powder accumulation. The powder discharging pipe and the cyclone separator are provided with a quick opening cleaning port, which is convenient for disassembly, cleaning, disinfection and sterilization, and fully meets food hygiene requirements.

5. The product recovery system is equipped with a special secondary fluidized bed cooling and drying device. The fine powder that has been sprayed and granulated is re-cooled and then dried. The fully cooled and dried product has good fluidity and low temperature, and can be directly packaged.

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