Abstract:
The invention relates to a module for processing a fluid having a body of wound layers of a sheet material, the body having inner and outer surfaces, first and second end faces and a passage extending along the winding axis of said body in fluid communication with the inner surface, the sheet material having openings forming at least three types of channels, the channels extending from the inner surface to the outer surface, a first type of channel being open at the outer surface of the body and closed at the other end, a second type of channel being open at the inner surface of the body, in fluid communication with said passage and closed at the other end, a third type of channel being closed at both ends thereof and positioned such as to receive fluid from one or more channels of the first or second type.
Abstract:
A filter module comprises a body of wound layers of a sheet material, said body having inner and outer peripheral surfaces, a winding axis and a passage along the winding axis and in fluid communication with the inner peripheral surface, the sheet material having openings forming two channel types from the inner to the outer peripheral surfaces, a first channel type open at the outer peripheral surface and closed adjacent to the inner peripheral surface, a second channel type open at the inner peripheral surface, in fluid communication with the passage and closed adjacent to the outer peripheral surface, the two channel types separated from each other by sheet material, one channel type being inlet channels communicating with an inlet, the other channel type being outlet channels communicating with an outlet, the edge of the inlet channel openings having a thickness less than the thickness remote from those openings.
Abstract:
The present invention provides a filter module comprising a body of wound layers of a sheet material, said body having an inner and an outer peripheral surface, a winding axis and a passage extending along the winding axis of said body and in fluid communication with said inner peripheral surface, said sheet material having a plurality of openings formed therein, said openings forming two types of channels within the wound layers of sheet material of said body, said channels extending in a direction from the inner peripheral surface to the outer peripheral surface, a first type of channels being open at one end at said outer peripheral surface of the body and closed at the other end located adjacent to said inner peripheral surface, a second type of channels being open at one end at said inner peripheral surface of the body, in fluid communication with said passage and closed at the other end located adjacent to said outer peripheral surface, said channels of the one type being separated from the channels of the other type by portions of sheet material, one of said types of channels being inlet channels communicating with a fluid inlet of said filter module, the other of said types of channels being outlet channels communicating with a fluid outlet of said filter module, wherein the surface of at least one type of the channels supports a precoat. The present invention further relates to a process for the manufacturing of a filter module according any one of claims 1 to 44, wherein the sheet material is wound around a support element to form a body of a multiplicity of consecutive layers with an inner peripheral surface and an outer peripheral surface, said openings forming two types of channels within the wound layers of sheet material of said body, wherein at least one type of channels is coated on its channel surface with a precoat.
Abstract:
A fluid processing system comprising a housing (12) and at least one of a first type and at least one of a second type module, (25-28), The first and second modules having different fluid processing characteristics each module comprising a body of wound layers of a sheet material, said body having an inner and an outer peripheral surface, a first and a second end face, a passage (42, 44) extending along the winding axis of said body and in fluid communication with said inner peripheral surface, the passage of one of the first type and one of the second type modules being closed at one end thereof, said sheet material having a plurality of openings formed therein, said openings forming a first and a second type of channels within the wound layers of sheet material of said body, extending in a direction from the inner peripheral surface to the outer peripheral surface, the first type of channels being open at one end at said outer peripheral surface of the body and closed at the other end located adjacent to said inner peripheral surface, the second type of channels being open and closed at the respective other ends or closed at both ends, said channels of the one type being separated from the channels of the other type by portions of sheet material.
Abstract:
The present invention relates to a module for processing a fluid comprising a body of wound layers of a sheet material, said body having an inner and an outer peripheral surface, a first and a second end face and a passage extending along the winding axis of said body and in fluid communication with said inner peripheral surface, said sheet material having a plurality of openings formed therein, said openings forming at least three types of channels within the wound layers of sheet material of said body, said channels extending in a direction from the inner peripheral surface to the outer peripheral surface, a first type of channel(s) being open at one end at said outer peripheral surface of the body and closed at the other end located adjacent to said inner peripheral surface, a second type of channel(s) being open at one end at said inner peripheral surface of the body, in fluid communication with said passage and closed at the other end located adjacent to said outer peripheral surface, a third type of channel(s) being closed at both ends thereof, said channel(s) of the third type being positioned in said body such as to receive fluid from one or more channels of the first or second type, whereas one or more channels of the other one of the first and second type of channels receives fluid from the third type of channels, said channel(s) of the one type being separated from the channel(s) of the respective other types by portions of sheet material, the first or second type of channel(s) communicating with a fluid inlet of said module (inlet channels), the other type of the first and second channel(s) communicating with an outlet of said module (outlet channels).
Abstract:
A filter module comprises a body of wound layers of sheet material, said body having inner and outer peripheral surfaces and a winding axis and a passage extending along the winding axis and in fluid communication with the inner peripheral surface, the sheet material having openings forming two channel types extending from the inner to the outer peripheral surfaces, a first channel type open at the outer peripheral surface and closed adjacent to the inner peripheral surface, a second channel type open at the inner peripheral surface, in fluid communication with the passage and closed adjacent to the outer peripheral surface, the two channel types separated from each other by sheet material, one channel type communicating with a module port, the other channel type communicating with another module port, wherein a majority of openings forming the inlet channels incompletely register with corresponding openings of an adjacent layer.
Abstract:
A filter module is formed of wound filter material having openings wherein the boundary surfaces of the openings constitute flow-through surfaces. The openings of the wound layers of the filter material form channels angled relative to the winding axis, wherein one group thereof opens at the outer peripheral surface of the roll and the other group opens at the inner peripheral surface of the roll and wherein the channels on the other end, respectively, are closed and wherein the channels, angled relative to the winding axis, are separated from one another by filter material, and wherein the inner area of the roll has a central channel arranged around a winding axis.
Abstract:
The present invention relates to a method for manufacturing a depth filter sheet material, the method comprising preparing a flowable aqueous pulp composition comprising a fibrous material and a binding agent; dispensing the flowable aqueous pulp composition onto a water permeable support in a predetermined amount per unit area; at least partially draining the water content of the aqueous pulp composition through said water permeable support; drying the at least partially drained pulp composition at an elevated temperature to form a depth filter sheet raw material comprising a first and a second surface section forming an upper and a lower surface of the sheet raw material, respectively, and an intermediate section positioned in between and integrally formed with the first and the second surface sections, the intermediate section having a permeability greater than the permeability of the first and second surface sections; and removing or displacing at least portions of one of the first or second surface section of the raw material. Depth filter sheet materials obtained by the method are also disclosed.
Abstract:
A filter module comprises a body of wound layers of sheet material, the body having inner and outer peripheral surfaces, a winding axis and a passage extending along the axis and in fluid communication with the inner peripheral surface, the sheet material having openings forming two channel types extending from the inner to the outer peripheral surfaces, a first channel type open at the outer peripheral surface and closed adjacent to the inner peripheral surface, a second channel type open at the inner peripheral surface, in fluid communication with the passage and closed adjacent to the outer peripheral surface, the two channel types separated from each other by sheet material, one channel types being inlet channels communicating with a fluid inlet, the other channel types being outlet channels communicating with a fluid outlet, wherein the surface of at least one channel type supports a precoat.
Abstract:
A filter module comprises a body of wound layers of sheet material, said body having inner and outer peripheral surfaces and a winding axis and a passage extending along the winding axis and in fluid communication with the inner peripheral surface, the sheet material having openings forming two channel types extending from the inner to the outer peripheral surfaces, a first channel type open at the outer peripheral surface and closed adjacent to the inner peripheral surface, a second channel type open at the inner peripheral surface, in fluid communication with the passage and closed adjacent to the outer peripheral surface, the two channel types separated from each other by sheet material, one channel type communicating with a module port, the other channel type communicating with another module port, wherein a majority of openings forming the inlet channels incompletely register with corresponding openings of an adjacent layer.