Catalog excerpts
MultiFlex Weighfeeder Universal weighfeeder for wide range of alternative fuels Dust tight construction High accuracy of feeding ±1 % due to automatic KME calibration Explosion and fire protection systems easy to integrate Slide gate easy to fit Possibility to adjust material entrance position Overfeeding protection integrated Steady material discharge by synchronization of the screws Application The MultiFlex weighfeeder is used for accurate weighing and feeding of bulk solid secondary fuels used mainly as a fuel for heating of cement or lime producing kilns as well as boilers at power plants or combined heat and power plants. The material processed include all kinds of alternative fuels typically: RDF - shredded plastics, - textile - paper - rubber (tire chips) Biomass - wood (chips, pellets) - straw agricultural waste Sludge and granulates - WWTP sludge - coal sludge - animal meal Any mixtures of above listed BV-D2423GB Construction - Self-supporting frame with high stiffness ensuring high weighing accuracy - Screw trough with twin screws ensuring very steady material flow - Screw trough with single helix en3 suring high feed rate up to 300 m /h - Screws used for non-coherent materials (granulates, sludge, pellets) - Shaft less helixes used for all other materials (light weigh, lumpy, stringy) - Multiple protection against overfeeding in screw trough and hopper 3 - Balancing hopper up to 25 m equipped with agitator system optimized for alternative fuels material controlled by speed of the - High accuracy compact load cells screws via frequency convertors. fitted on the rough and the hopper High accuracy of material feeding is - All cablings wired to a junction box ensured by use of compact load cells or to on-frame mounted weighing transmitting the measured loads dielectronics. rectly to weighing electronics. Equipment The MultiFlex weigtfeeder is designed for continual feeding of bulk solids. In principle, the weighfeeder consists of a hopper and a screw trough. The bulk material is extracted by the screw trough out of the hopper and conveyed towards the discharge with a feed rate controlled via variable frequency drive of the screws. The screw trough is fitted with two screws or center less helixes or with just one 1000 mm helix at the largest machine. The hopper is equipped with an agitator ensuring smooth emptying of the hopper and optimal filling of the screw trough. Continuous filling of the screws allows steady feeding of the
Open the catalog to page 1Screws Used for materials having following properties: - good flow properties (typically granulates) - lower granularity - higher moisture (typically higher than 20 %) - higher bulk density - wrapping of long stripes around the shaft is not probable Configuration Main factors of configuration selection: - properties of the material or all materials processed o material type(s) o bulk density o lump size (3D, 2D, 1D) o moisture content - material feed rate and control range - space availability - hopper filling method Helixes Used for materials having following properties: - bad flow...
Open the catalog to page 2Screw trough configuration options 3.5 m single agitator 3 5m single agitator 3 7.5 m single agitator 3 7.5 m double agitator 3 10 m single agitator 3 10 m double agitator 3 25 m double agitator *) for selected materials only with good flow properties; use of single agitator shall be consulted with the manufacturer Single agitator A1 (left) suitable for good flowing material which do not tend to bridge; double agitator A2 (right) recommended for all applications
Open the catalog to page 3Hopper volume 3 [m ] Screws [mm] A [mm] B [mm] C [mm]* CC [mm]** D [mm] E [mm] F [mm] G [mm] H [mm] I [mm] J [mm] * ** sales@schenckprocess.com www.schenckprocess.com Schenck Process s. r. o. Na hůrce 1041/2 161 00 Praha 6 – Ruzyně, Czech Republic sales@schenckprocess.cz www.schenckprocess.cz May vary due to size of electric drive Applicable for configuration with double agitator (A2) only Schenck Process GmbH Pallaswiesenstr. 100 64293 Darmstadt, Germany BV-D2423GB 1344 All information is given without obligation. All specifications are subject to change. © by Schenck Process s.r.o. 2013
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