CN216093073U

CN216093073U - Polygonal mesh virus-removing biological filtering membrane

Info

Publication number: CN216093073U
Application number: CN202121623613.2U
Authority: CN
Inventors: 唐勇红; 周发根
Original assignee: Hangzhou Baiming Biotechnology Co ltd
Current assignee: Hangzhou Baiming Biotechnology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-22
Anticipated expiration: 2031-07-16

Abstract

The utility model relates to the technical field of biological filtration membranes, and discloses a polygonal mesh virus-removing biological filtration membrane which comprises filtration membrane seats symmetrically arranged in front and back, wherein a plurality of single-bundle filtration tubes are sleeved and inserted between the filtration membrane seats in parallel, and each single-bundle filtration tube comprises an outer shell and an inner core made of castor fibers. Compared with a round hole structure of the traditional equipment, the polygonal structure of the utility model has no gap between adjacent hole sections, so that the flow speed of the filtering membrane is increased in the filtering process, the efficiency is improved, the pressure in the filtering membrane is stabilized, the composite filtering membrane is more uniformly used, the service life of the composite filtering membrane is prolonged, and the filter filaments are used as the filter core filaments to effectively filter parvovirus.

Description

Polygonal mesh virus-removing biological filtering membrane

Technical Field

The utility model relates to the technical field of biological filtering membranes, in particular to a polygonal mesh virus-removing biological filtering membrane.

Background

Biofilms account for a significant proportion of the total cost of microbial pharmaceutical products in the separation, purification and concentration fractions, and the use of modern separation, purification and concentration processes is an important way to increase the economic efficiency of the pharmaceutical industry or to reduce investment. The membrane separation technology utilizes various membranes with different properties as separation materials to separate, purify and concentrate substances in different systems, and is a high and new technology, but the existing filter membrane holes are generally designed into round hole shapes, so that gaps are reserved among the filter holes, the gaps cause reduction of filtration speed, and in the existing equipment, pressurizing equipment is required to be additionally arranged for specific flow direction of filtrate, so that equipment pipelines are too complex.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the problems, a virus-removing biofiltration membrane with polygonal meshes is provided, which solves the problems.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

a polygonal mesh virus-removing biological filtering membrane comprises filtering membrane seats which are symmetrically arranged front and back, wherein a plurality of single-bundle filtering tubes are sleeved and inserted between the filtering membrane seats in parallel, and each single-bundle filtering tube comprises an outer shell and an inner core made of castor fibers;

the filter element silk made of the castor-oil plant extracted fiber can effectively remove parvovirus.

Preferably, the single-bundle filter tube comprises a filter tube shell, an interlayer is arranged in the filter tube shell in parallel with the filter tube shell, an interlayer filter tube is arranged between the interlayer and the filter tube shell, and the interlayer filter tube is circumferentially distributed and is abutted against the interlayer filter tube.

Preferably, a filter element is arranged in the interlayer, a composite filter membrane is arranged outside the filter element and is wound on the outer side of the filter element in a rotating mode, the composite filter membrane abuts against the filter element, and two adjacent composite filter membranes abut against each other.

Preferably, the composite filter membrane comprises a single filter element and a plurality of filter wires, the filter wires are wound on the outer surface of the filter element in a rotating mode, the filter wires abut against the filter element, and two adjacent filter wires abut against each other.

Preferably, the surfaces of the filter wire, the interlayer filter tube, the interlayer and the filter element are provided with polygonal filter holes which are communicated with each other inside and outside;

polygonal structure compares the round hole structure of traditional equipment and does not have the space between the adjacent hole cross-section, makes filtration membrane accelerate the velocity of flow in filtering process raise the efficiency, and the polygon's of this embodiment number of sides can be in any integer of five to eight within ranges.

Preferably, the difference value between the total cross-sectional area of the polygonal filtering holes on the interlayer surface and the total cross-sectional area of the polygonal filtering holes on the filter element and the total cross-sectional area of the polygonal filtering holes on the interlayer filtering pipe is not more than 5%, and the total cross-sectional area of the polygonal filtering holes on the interlayer surface is 45-55% of the total cross-sectional area of the polygonal filtering holes on the filter wire

The utility model has the advantages and positive effects that:

compared with a circular hole structure of traditional equipment, the polygonal structure of the utility model has no gap between adjacent hole sections, so that the flow speed of the filtering membrane is increased in the filtering process, the efficiency is improved, the pressure in the filtering membrane is stabilized, the composite filtering membrane is more uniformly used, the service life of the composite filtering membrane is prolonged, the filter wire is used as the filter core wire, tiny viruses can be effectively filtered, and the filter wire and the composite filtering membrane are spirally distributed, so that the filtering solution has a structure which has the flow direction accelerated, the filtering efficiency is accelerated and the equipment is simplified.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged cross-sectional perspective view of FIG. 1;

FIG. 3 is an enlarged, semi-sectional view of 11 of FIG. 1;

FIG. 4 is an enlarged perspective view of 15 of FIG. 3;

fig. 5 is an enlarged schematic view of the structure of 18 in the present invention.

The scores in the figures are as follows: 10. a filter membrane seat; 11. a single bundle of filter tubes; 12. a filter tube housing; 13. a sandwich filter tube; 14. an interlayer; 15. compounding filter membranes; 16. a filter element; 17. filtering the silk; 18. polygonal filter holes.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

as shown in fig. 1-5, the polygonal mesh virus-removing biological filtration membrane of the utility model comprises filtration membrane seats 10 symmetrically arranged front and back, a plurality of single-bundle filtration tubes 11 are inserted between the filtration membrane seats 10 in a sleeved manner and are arranged in parallel, and the single-bundle filtration tubes 11 comprise an outer shell and an inner core made of castor fiber;

Preferably, the single-bundle filter tube 11 includes a filter tube housing 12, an interlayer 14 is arranged in the filter tube housing 12 in parallel with the filter tube housing, an interlayer filter tube 13 is arranged between the interlayer 14 and the filter tube housing 12, and the interlayer filter tubes 13 are circumferentially distributed and abut against each other between the two adjacent interlayer filter tubes 13.

Preferably, a filter element 16 is arranged in the interlayer 14, a composite filter membrane 15 is arranged outside the filter element 16, the composite filter membrane 15 is wound on the outer side of the filter element 16 in a rotating manner, the composite filter membrane 15 abuts against the filter element 16, and two adjacent composite filter membranes 15 abut against each other.

Preferably, the composite filter membrane 15 includes a single composite filter membrane 15 and a plurality of filter elements 16, and the filter elements 16 are wound on the outer surface of the composite filter membrane 15 in a rotating manner, and the filter elements 16 are abutted against the composite filter membrane 15, and two adjacent filter elements 16 are abutted against each other.

Preferably, polygonal filtering holes 18 which are communicated with the inside and the outside are formed in the surfaces of the filter wire 17, the interlayer filtering pipe 13, the interlayer 14 and the filter element 16;

Preferably, the difference between the total cross-sectional area of the polygonal filtering holes 18 on the surface of the interlayer 14 and the total cross-sectional area of the polygonal filtering holes 18 on the filter element 16 and the total cross-sectional area of the polygonal filtering holes 18 on the interlayer filtering tube 13 is not more than 5%, and the total cross-sectional area of the polygonal filtering holes 18 on the surface of the interlayer 14 is 45% -55% of the total cross-sectional area of the polygonal filtering holes 18 on the filter filaments 17;

the internal and external pressures of the filter wire 17 are similar by controlling the proportion of the sectional areas, so that the utilization rate of the filter wire 17 is higher, and the service life of the filter wire is prolonged.

In specific implementation, the stock solution to be filtered is injected into the filter wires 17 from the filter membrane seat 10 at one end, the stock solution to be filtered is filtered by the filter wires 17 on the composite filter membrane 15 under the action of the difference of internal and external pressure, and the modified stock solution passes through the filter element 16 and the polygonal filter holes 18 on the interlayer 14 and the interlayer filter tube 13 and flows to the filter membrane seat 10 at the other end along the axial lines of the filter element 16 and the interlayer filter tube 13.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a virus biological filtration membrane is removed to polygon mesh, includes filter membrane seat (10) that the front and back symmetry set up, its characterized in that: the filter membrane is characterized in that a plurality of single-bundle filter tubes (11) are sleeved and inserted between the filter membrane seats (10) in parallel, and each single-bundle filter tube (11) comprises an outer shell and an inner core made of castor fibers.

2. The polygonal mesh virus-removing biofiltration membrane according to claim 1, wherein: the single-bundle filter tube (11) comprises a filter tube shell (12), an interlayer (14) is arranged in the filter tube shell (12) in parallel with the filter tube shell, an interlayer filter tube (13) is arranged between the interlayer (14) and the filter tube shell (12), and the interlayer filter tube (13) is distributed along the circumference and is adjacent to the interlayer filter tube (13) in two.

3. The polygonal mesh virus-removing biofiltration membrane according to claim 2, wherein: the filter core (16) is arranged in the interlayer (14), a composite filter membrane (15) is arranged outside the filter core (16), the composite filter membrane (15) is wound on the outer side of the filter core (16) in a rotating mode, the composite filter membrane (15) is abutted against the filter core (16), and two adjacent composite filter membranes (15) are abutted against each other.

4. The polygonal mesh virus-removing biofiltration membrane according to claim 3, wherein: the composite filter membrane (15) comprises a single filter element (16) and a plurality of filter wires (17), the filter wires (17) are wound on the outer surface of the filter element (16) in a rotating mode, the filter wires (17) are abutted to the filter element (16), and the adjacent filter wires (17) are abutted to each other.

5. The polygonal mesh virus-removing biofiltration membrane according to claim 4, wherein: the surfaces of the filter wire (17), the interlayer filter tube (13), the interlayer (14) and the filter element (16) are all provided with polygonal filter holes (18) which are communicated with the inside and the outside.

6. The polygonal mesh virus-removing biofiltration membrane according to claim 5, wherein: the difference value between the total cross-sectional area of the polygonal filtering holes (18) on the surface of the interlayer (14) and the total cross-sectional area of the polygonal filtering holes (18) on the filter element (16) and the total cross-sectional area of the polygonal filtering holes (18) on the interlayer filtering pipe (13) is not more than 5%, and the total cross-sectional area of the polygonal filtering holes (18) on the surface of the interlayer (14) is 45% -55% of the total cross-sectional area of the polygonal filtering holes (18) on the filter wire (17).