MULTI-STAGE FILTER ELEMENT ASSEMBLY

MULTI-STAGE FILTER ELEMENT ASSEMBLY

  • CN 104,707,417 A
  • Filed: 02/22/2012
  • Published: 06/17/2015
  • Est. Priority Date: 02/23/2011
  • Status: Active Application
First Claim
Patent Images

1. for a filter cell assembly with at least three grades for pressure vessel, pressure vessel has the tube sheet having multiple opening, and this filter cell assembly comprises:

  • At least one internal filter element, be suitable for being mounted through one of opening, at least one internal filter element described has containment member, be arranged to sealed pipe plate between the end that containment member is disposed in filter cell assembly, at least one internal filter element described utilizes and passes radially through filter medium in the upstream of containment member and enter center channel and the flow passage passing radially outwardly through medium in the downstream of seal at another grade subsequently provides the filtration of two-stage;

    Pre-filter element, in the upstream of seal around at least one internal filter element described to provide prefilter level in the upstream of at least one internal filter element described.

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