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description:Biling drier is also called as fluidized bed.through operation and improvement for more 30 yeas ,it plays an important role in the fields of pharmaceutical industry,chemical in dustry ,grain process,etc.it consists of air filter,boiling bed main machine,cyclone,cloth-bag duster,high-presure centrifugal ventilator and opperation table .because the properties of rw material to be dried are different,when equikp the duster,it is necessary to order in accorsance with the requirements of raw material,the cloth bag duster and cyclone can be equipped at the same time or one of them,in general ,ta material with heavyspecific gravity may choose cyslone and raw material with light specific gravity may choose clothbag duster.meanwhile there are fed devices for your selection.
principle of work:The clean hot air will enter into the bed through distribution of valve plate.the damp raw material fed through feeder will form boiled state caused by hot air.because of wilde contact between hot air and raw material,it incueases the process of heat and mass transfer.therefore raw material can be dried within short time .raw material will be fed from one end of drier and will be out from the other end through only several ten seconds to several minutes.in general the equipment will be operated at negative pressure.