光大彩票在线

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                固体颗粒介质泵用机械密封

                ? ? 固体颗粒介质泵用机械密封

                ? ? 随着现代工业特别是油气田开发、矿场开采、冶金、电力、造纸、精细化工、盐化工、供排水、污水处理、食品加工等行业的发展,输送含固体颗』粒介质的泵越来越多。流体︾介质含固体颗粒及纤维对泵用机械密封的工作十分不利,当流体介质中的固体颗粒进人密封副端面,会使密封面的磨损和泄漏加剧。沉积在密封件周围的固体颗粒还会干扰密封件的机能,使密ㄨ封失效。同样,纤维类物质进人密封副端面也将引起密封严重的泄漏。