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The aim of this project was to develop, on the basis of sound chemical engineering, a more energy efficient, open-width fabric washer for the textile industry. A survey of existing washers has highlighted the considerable energy losses from open machines, particularly at the nips between tanks, and an early conclusion is that washers should be fully enclosed. Remaining opportunities centre around water/water heat recovery and optimisation of water flow and temperature. For the latter, a combination of laboratory studies and mathematical modelling, particularly of pressure/suction washing and multiple squeeze/roller washing, has been used to elaborate the possibilities. Suction washing emerges as the more effective method, but the complexity and cost of implementation in a suitably distributed manner, with present conceptions, weigh heavily against it. This still leaves refinements of multiple squeeze roller washing as a major contender. Efforts continue towards resolving the choice of best method, maintaining due regard for commercial acceptability.

Additional information

Authors: HEIDEMANN G, Deutsches Textilforschungszentrum Nord-West e.V., Krefeld (DE);FARBER P, Ramisch Kleinewefers GmbH, Krefeld (DE);RAVENSBERGEN D W, TNO Fibre Research Institute, Delft (NL);BILKERT R B, TNO Fibre Research Institute, Delft (NL);DE BOER J J, TNO Fibre Research Institute, Delft (NL);HOLWEG R B M, TNO Fibre Research Institute, Delft (NL);VAN OVERMEIRE F, Centexbel, Bruxelles (BE);REED C M, British Textile Technology Group, Manchester (GB)
Bibliographic Reference: EUR 14020 EN (1992) 123 pp., MF, ECU 8, blow-up copy ECU 19.50
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