Membrane filtration system with concentrate classification and concentrate recycling, convertible grade or both

Membrane filtration system with concentrate classification and concentrate recycling, convertible grade or both

  • CN 105,026,018 B
  • Filed: 03/14/2013
  • Issued: 10/29/2019
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. a kind of membrane filtration system, comprising:

  • The first order;

    Final stage;

    Feed pump;

    Recirculation pump;

    Brine outlet;

    Conduit group and valve group, the valve group and the conduit group are suitable for selectively converting between following;

    First construction, wherein the valve group is connected with the conduit group;

    the outlet side of the feed pump enters to the first orderMouthful;

    The concentrated solution outlet of the first order to the recirculation pump entrance;

    The recirculation pump is exported to the only endThe entrance of grade;

    And the concentrated solution outlet of the final stage makes to the brine outlet and to the entrance of the recirculation pumpConcentrate is only recirculated through the final stage in must constructing described first;

    Second construction, wherein the valve group is connected with the conduit group;

    the outlet side of the feed pump to the final stageThe entrance;

    The concentrated solution outlet of the final stage to the recirculation pump the entrance;

    The recirculation pump it is describedIt is exported to the only first order or the only entrance of a part of the first order;

    And the first order or describedThe concentrated solution outlet of the part of level-one to the brine outlet and to the recirculation pump the entrance so thatConcentrate is only recirculated through the first order in second construction;

    It is the entire first order, Huo Zhesuo that the first order, which is with the part of the final stage same size and the first order,The first order is stated greater than the final stage and the part of the first order be less than the entire first order but with the final stage phaseSame size.

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