Drum cell filter Continuous cake filtration for separating solids from suspensions Features - separation of solids from suspensions - continuous removal of filter cake - practical experiments on a laboratory scale Learning objectives/experiments - learning the basic principle and method of operation of a drum cell filter - fundamentals of cake filtration - variation in time of filtrate quantity, filter cake mass and thickness - filter cake mass and thickness dependent on filtrate quantity, negative pressure and drum speed Specification [1] continuous cake filtration of suspensions with a drum cell filter [2] rotating perforated drum, partially immersed in suspension, with filter cloth [3] vacuum inside drum to draw off filtrate and dry filter cake [4] continuous removal of filter cake with adjustable scraper or compressed air [5] drum speed infinitely variable [6] plastic vacuum tank to collect filtrate [7] suspension tank with swing stirrer and overflow [8] plastic collector tank for filter cake [9] production and transport of suspension with integrated suspension unit [10] peristaltic pump as suspension pump Technical data Drum cell filter - filter area: approx. 0,1m2 - speed: approx. 0,1...2min-1 - motor power consumption: approx. 200W Swing stirrer - speed: approx. 15min-1 - motor power consumption: approx. 200W Suspension pump - max. flow rate: 160L/h - max. pressure: 6bar Tanks - filtrate vacuum tank: approx. 30L - 2 filter cake collector tanks: approx. 30L - suspension tank: approx. 5,5L, max. 10bar - suspension storage tank: approx. 200L Stirrer at suspension storage tank - speed: approx. 600min-1 - power consumption: approx. 40W Measuring ranges - pressure: 0...1bar (compressed air) - vacuum: -1...0bar 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 2180x790x1900mm Weight: approx. 285g