The invention relates to a method for producing a membrane module, comprising a plurality of elongated filter elements disposed in parallel adjacent to one another, each element comprising a longitudinal channel, a housing enclosing the filter elements, and a collector chamber between the housing an
The invention relates to a method for producing a membrane module, comprising a plurality of elongated filter elements disposed in parallel adjacent to one another, each element comprising a longitudinal channel, a housing enclosing the filter elements, and a collector chamber between the housing and the filter elements.
대표청구항▼
1. A filter membrane module comprising: ceramic, elongated filter elements, which each have a plurality of longitudinal conduits;a housing surrounding the elongated filter elements;the elongated filter elements having potted end regions including a first potted end region and a second potted end reg
1. A filter membrane module comprising: ceramic, elongated filter elements, which each have a plurality of longitudinal conduits;a housing surrounding the elongated filter elements;the elongated filter elements having potted end regions including a first potted end region and a second potted end region, the potted end regions comprising a mounting ring surrounding the elongated filter elements;wherein each of the elongated filter elements are generally flat, stacked, individual membranes, between each of which flat and large interstices are provided;wall surfaces of the longitudinal conduits have a filtration material coating such that the medium to be filtrated can be conducted through the longitudinal conduits and the filtered medium can be discharged through the interstices and a collecting space which is formed by the mounting ring between the housing and the flat membranes; andwherein each of the flat membranes has a planar cross-section perpendicular to the longitudinal conduits, the planar cross-section having not more than two axes of mirror symmetry along the planar cross-section, and two or more of the flat membranes have cross-sections with sides having a curved profile, and a top and bottom, at least one of the top or bottom having a substantially flat, parallel surfaces, each of the flat membranes having a flat surface facing an interstice, each of the flat surfaces parallel to each to each other. 2. The filter membrane module according to claim 1, wherein each of the elongated filter elements has a segment of a circle cross section. 3. The filter membrane module according to claim 1, wherein at least one of the top or bottom of at least one flat membranes has a curved profile. 4. The filter membrane module according to claim 1, wherein the interstices extend from the first potted end region to the second potted end region. 5. The filter membrane module according to claim 1, wherein at least one of the flat membranes includes a cross-section where the top has a greater length than the bottom. 6. The filter membrane module according to claim 1, wherein at least one of the flat membranes includes a cross-section with only two sides, where a first side is substantially flat and a second side is arcuate. 7. A filter membrane module comprising: a plurality of ceramic, elongated filter elements each having a plurality of longitudinal conduits;a housing surrounding the elongated filter elements;the filter elements having potted end regions, wherein the filter elements are potted with a material which forms a mounting ring surrounding the plurality of filter elements;the filter elements are each, individual flat membranes each having a planar cross-section perpendicular to the longitudinal conduits, the planar cross-section of each flat membrane including at least one flat surface and at least one curved surface;each of the at least one flat surfaces is a chord of a single circle smaller than a diameter of the mounting ring surrounding the plurality of filter elements, the flat surfaces are disposed mirror symmetrically to one another within the mounting ring;for each of the filter elements, across from the chord is an opposite side of the filter element that is: a parallel flat surface; ora circular arc surface;each parallel flat surface of the filter element is parallel with each of the other parallel flat surfaces of the filter element; andwall surfaces of the longitudinal conduits have a filtration material coating such that the medium to be filtrated can be conducted through the longitudinal conduits and the filtered medium can be discharged through the interstices and a collecting space which is formed by the mounting ring between the housing and the flat membranes. 8. The filter membrane module according to claim 7, wherein at least one of the filter elements has a cross-section with a region having a shape that is a circular arc. 9. The filter membrane module according to claim 7, wherein the plurality of filter elements comprises end filter elements which are mirror symmetric perpendicular to the chord at a center of the filter element. 10. The filter membrane module according to claim 7, wherein, for at least one of the filter elements, the opposite side is a parallel flat surface, the chord is slightly smaller than the mounting ring, and the opposite side is shorter than the chord. 11. The filter membrane module according to claim 7, wherein the housing comprises a plastic. 12. A filter membrane module comprising: ceramic, elongated filter elements, which each have a plurality of longitudinal conduits;a housing surrounding the elongated filter elements;the elongated filter elements having potted end regions including a first potted end region and a second potted end region, the potted end regions comprising a mounting ring surrounding the elongated filter elements;wherein the elongated filter elements are each generally flat membranes, between which flat and large interstices are provided;wall surfaces of the longitudinal conduits have a filtration material coating such that the medium to be filtrated can be conducted through the longitudinal conduits and the filtered medium can be discharged through the interstices and a collecting space which is formed by the mounting ring between the housing and the flat membranes; andwherein each of the flat membranes has a planar cross-section perpendicular to the longitudinal conduits, the planar cross-section having not more than two axes of mirror symmetry along the planar cross-section;the plurality of flat membranes comprises two outer flat membranes each having an outer curved surface disposed adjacent to the housing, each of the two outer flat membranes having a circular segment shape;each of the two outer flat membranes has a flat, planar surface opposite the curved surface, each of the flat planar surface of the outer flat membrane forming a chord of a single circle smaller than a diameter of the mounting ring surrounding the plurality of filter elements;the plurality of flat membranes comprises a plurality of inner flat membranes disposed between the two outer flat membranes, each of the plurality of inner flat membranes having a top surface, a bottom surface and side surfaces extending between the top surface and the bottom surface, the top and bottom surfaces of each inner flat membrane are flat and parallel to each other, the top and bottom surfaces of each of inner flat membrane are chords of a single circle smaller than a diameter of the mounting ring surrounding the plurality of filter elements, the side surfaces of each inner flat membrane have curved profile; andthe potted end regions include a first potted region and a second potted region, and the interstices extend from the first potted region to the second potted region. 13. The filter membrane module according to claim 12, wherein each of the flat membranes has substantially a same height. 14. The filter membrane module according to claim 12, wherein potting material is disposed on each axial end of the flat membranes. 15. The filter membrane module according to claim 14, wherein potting material is disposed within the interstices. 16. A filter membrane module comprising: ceramic, individual elongated filter elements, which each have a plurality of longitudinal conduits;a housing surrounding the elongated filter elements;the elongated filter elements having potted end regions including a first potted end region and a second potted end region, the potted end regions comprising a mounting ring surrounding the elongated filter elements;wherein each of the elongated filter elements are each generally flat, individual membranes, between which flat and large interstices are provided, and potting material is disposed within the interstices at the potted end regions;wall surfaces of the longitudinal conduits have a filtration material coating such that the medium to be filtrated can be conducted through the longitudinal conduits and the filtered medium can be discharged through the interstices and a collecting space which is formed by the mounting ring between the housing and the flat membranes; andwherein each of the flat membranes has a planar cross-section perpendicular to the longitudinal conduits, the planar cross-section having not more than two axes of mirror symmetry along the planar cross-section;the plurality of flat membranes comprising two outer flat membranes each having an outer curved surface disposed adjacent to the housing, each of the two outer flat membranes having a circular segment shape;each of the two outer flat membranes has a flat, planar surface opposite the curved surface;the plurality of flat membranes comprising a plurality of inner flat membranes disposed between the two outer flat membranes, each of the plurality of inner flat membranes having a top surface, a bottom surface and side surfaces extending between the top surface and the bottom surface, the top and bottom surfaces of each inner flat membrane are flat and parallel to each other, the top and bottom surfaces of each inner flat membrane are chords of a single circle smaller than a diameter of the mounting ring surrounding the plurality of filter elements, the side surfaces of each of the inner flat membrane have curved profile; andthe potted end regions include a first potted region and a second potted region, and the interstices extend from the first potted region to the second potted region. 17. The filter membrane module according to claim 16, wherein each of the interstices extending from one side of the housing to an opposite side of the housing across a longitudinal axis of the housing. 18. The filter membrane module according to claim 1, wherein the housing is slipped over the mounting ring and sealingly joined to the mounting ring. 19. The filter membrane module according to claim 1, wherein the housing is unitary with one of the two mounting rings by being manufactured in a single potting operation. 20. The filter membrane module according to claim 7, wherein the housing is slipped over the mounting ring and sealingly joined to the mounting ring. 21. The filter membrane module according to claim 7, wherein the housing is unitary with one of the two mounting rings by being manufactured in a single potting operation. 22. The filter membrane module according to claim 12, wherein the housing is slipped over the mounting ring and sealingly joined to the mounting ring. 23. The filter membrane module according to claim 12, wherein the housing is unitary with one of the two mounting rings by being manufactured in a single potting operation. 24. The filter membrane module according to claim 16, wherein the housing is slipped over the mounting ring and sealingly joined to the mounting ring. 25. The filter membrane module according to claim 16, wherein the housing is unitary with one of the two mounting rings by being manufactured in a single potting operation.
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