There are thousands of materials produced in the chemical industry. Many chemical materials need to be dehydrated and dried after the reaction process or washing process. In most cases, these high water content materials will be pumped into the filter press for preliminary dehydration. According to the characteristics of the raw materials, the dehydrated filter cake generally has a water content between 40% and 90%. This moisture content is not feasible for packaging and storage of chemical materials, and further drying is required.
For the drying of chemical filter cakes, there are a variety of dryers to choose from. For mass production such as white carbon black filter cakes, calcium carbonate filter cakes, etc., we recommend using flash dryers. The flash dryer is a continuous drying equipment with high performance and large output. It is mainly composed of flash dryer host, heat source equipment, material collector, blower induced draft fan, and electric control equipment. It is an advanced drying equipment in the domestic and foreign markets.
Working principle of chemical filter cake flash dryer:
The hot air enters the bottom of the dryer tangentially and forms a powerful rotating wind field driven by the agitator. The paste material enters the dryer from the screw feeder. Under the strong action of the high-speed rotating stirring blade, the material is dispersed under the action of impact, friction and shearing force. The block material is quickly crushed, fully contacted with hot air, and heated ,dry. The dehydrated dry material rises with the hot air flow, the grading ring traps large particles, and the small particles are discharged out of the dryer from the center of the ring, and are recovered by the cyclone separator and dust collector. The incomplete or large materials are thrown to the wall by centrifugal force, and fall to the bottom to be crushed and dried.
Zhengzhou Dingli is a professional manufacturer of flash dryers. If you are interested in flash dryer, please feel free to contact us.
