B2-DH-4-D sizes to Threestage gear unit sizes to Thre Bevel-helical gear units B2

Flender/Flender Gear Units/Bevel-helical gear units B2

n orderto obtain highlyreliableseparatorforthe harsh operatin conditions in the recycling industry, separator of eccentric design was developed This wasqargely insensitive to iron of any particle size This was demonstrated by several months of trials in shredder and sink/float plants Separation of electrically conductive from non-electrically conductive materials was carried out successfully The followin were separated, for example.aluminium from stones, non-ferrous metals from rubber, PVCTrom aluminium, aluminium from slag, PVC bottle tops from alumi- nium bottletops,and rubberfrom ma nesiumandaluminium Yieldandpurityoftherecover- ed nonferrous materials amounted toietween 9% and 9%, depending on the material and the throughput The smallest particle size to be processed successfully was 5 mm. The separator was characterised by low power consumption (8 kVA), as permanent magnets were used to generate the field 2 Duration: 0-3 1 0 VQ8 Subject: Recovery of non-ferrous metals with small particle sizes from waste materials Research centre: lnstitut fur Aufbereitung, Kokerei and Brikettierung der TH Aachen WullnerstraBe 2, 5 Aachen Government sponsorship: DM 4,5 0 Sponsorship ratio: 1/0 1. Purpose of the project There is wide range of waste materials which contain mixtures of non-ma netic metals and non-metals. Sorting becomes more difficult and cost-intensive, the finer tze material to be separated. Extreme problems arose during the separation of objects smaller than 3 mm. Therefore, dry, mechanical separation of non-ferrous metals from non-metals was to be per- formed within the frameworkof the research projectwith theaid of an eddy current separator. Building on the results achieved in earlier research projects of the lnstitut fur Aufbereitung, Kokerei and Brikettierung of the RWTH Aachen, and in cooperation with Messrs. Steinert Elek- tromagnetbau, Cologne, se aration plant was to be developed specifically for the particle size range