Process for removing fine impurities from a fibrous suspension
    1.
    发明授权
    Process for removing fine impurities from a fibrous suspension 失效
    从纤维悬浮液中除去细小杂质的方法

    公开(公告)号:US06277239B1

    公开(公告)日:2001-08-21

    申请号:US09236235

    申请日:1999-01-22

    IPC分类号: D21H1114

    摘要: Apparatus for removing fine impurities from a fibrous suspension comprises a dissolution device, a pre-purification device, a wet straining device, and at least one flotation device. The wet straining device comprises at least two sorting devices present in sequence, each sorting device having a wire for separating the fibrous suspension into an “accepts” portion and a “rejects” portion. The flotation device is adapted to purify the “accepts” portion of at least one sorting device, and further separates the fibrous suspension into an “accepts” portion and a “rejects” portion. The process for removing fine impurities from a fibrous suspension comprises the steps of subjecting the fibrous suspension to a dissolution process, subjecting the fibrous suspension to a pre-purification process, purifying the fibrous suspension in a wet straining process, and purifying “accepts” portions from the wet straining process by a flotation process.

    摘要翻译: 用于从纤维悬浮液中除去细杂质的装置包括溶解装置,预净化装置,湿应变装置和至少一个浮选装置。 湿应变装置包括依次存在的至少两个分选装置,每个分选装置具有用于将纤维悬浮液分离为“接受”部分和“拒收”部分的线。 浮选装置适于净化至少一个分选装置的“接受”部分,并进一步将纤维悬浮液分离为“接受”部分和“拒收”部分。 从纤维悬浮液中除去细小杂质的方法包括以下步骤:使纤维悬浮液经受溶解过程,对纤维悬浮液进行预净化处理,在湿应变过程中纯化纤维悬浮液,并纯化“接受”部分 通过浮选过程从潮湿过程中。

    Apparatus and process for removing fine impurities from a fibrous suspension

    公开(公告)号:US06409880B1

    公开(公告)日:2002-06-25

    申请号:US09883380

    申请日:2001-06-19

    IPC分类号: D21H1114

    摘要: Process and apparatus for removing fine impurities from a fibrous suspension. The process and apparatus each provide for conveying the fibrous suspension to at least one sorting device, separating the fibrous suspension using the at least one sorting device into an accepts portion and a rejects portion, finishing at least some of the accepts portion leaving the at least one sorting device using a finishing device, separating at least some portion of the rejects portion leaving the at least one sorting device using at least one last sorting device into an accepts portion and an rejects portion, separating at least some portion of the accepts portion leaving the at least one last sorting device into an accepts portion and a rejects portion using a flotation device, and finishing at least some portion of the accepts portion leaving the flotation device using the finishing device.