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gasningsanordning for a flotationsapparat and its anvendning in the treatment of paper pulp, serskilt for avfergning of wastepaper
gasningsanordning for a flotationsapparat and its anvendning in the treatment of paper pulp, serskilt for avfergning of wastepaper
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机译:气浮装置的浮选装置及其在纸浆处理中的作用,塞斯基尔特用于废纸的渗透
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摘要
In a gassing device, in particular for a flotation device, a higher gas loading is achieved by using a stage diffusor (1) having a cross-section which widens stepwise, the gas feed line (8) ending immediately downstream of a widening (5). In this way, a gas loading of more than 50% can be achieved, if the mixing length (V1 + V2)/A0, that is say the ratio of the mixing volume downstream of the gas feed to the entry cross-section, is at least 1 m. Such devices are particularly suitable for effecting cleaning of fibre material suspensions, obtained from waste paper, by removal of foreign materials for the purpose of producing clean paper from waste paper. IMAGE
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