CN220345489U - A pressure- and impact-resistant porous hollow fiber ultrafiltration membrane - Google Patents

Abstract

The utility model discloses a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane, which relates to the technical field of sewage treatment and comprises an outer cylinder lower part and a partition plate, wherein a protective pad is arranged on the inner surface of the outer cylinder lower part, a supporting component is arranged on the inner surface of the protective pad, the supporting component comprises a grid bundle bag, an elastic ring and a supporting plate, the elastic ring is sleeved outside the grid bundle bag, the supporting plate is distributed between the grid bundle bag and the elastic ring, a purifying component is arranged inside the grid bundle bag, the purifying component comprises a membrane wall, membrane holes and micropores, the surface of the membrane wall is provided with the membrane holes, the micropores are arranged among the membrane holes, the partition plate is arranged on the inner side of the purifying component, and the other end of the partition plate is provided with an inner core. The upper part and the lower part of the outer cylinder of the pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane are connected by means of magnetic attraction of the metal block and the magnetic block, so that detachable fixed connection is realized, and the installation and detachment time is saved.

Description

A pressure- and impact-resistant porous hollow fiber ultrafiltration membrane

Technical field

The utility model relates to the technical field of sewage treatment, specifically a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane.

Background technique

Hollow fiber ultrafiltration membrane is an asymmetric translucent membrane made of polymer materials using a special process. It is in the shape of a hollow fiber or a hollow capillary tube. The tube wall is densely covered with micropores. Under the action of pressure, the original solution is in the membrane or in the membrane. External flow, in which solvent or small molecules can pass through the membrane/collect and become ultrafiltrate, while macromolecular substances, such as bacteria, etc., are trapped outside the membrane, thereby achieving the purpose of material separation and filtration. Hollow fiber or capillary ultrafiltration membranes are widely used in drinking water purification, industrial water treatment, beverages, biology, food, medicine, environmental protection and many other aspects due to their production cost of 4.0%, high membrane filling density and easy production.

Existing hollow fiber ultrafiltration membranes are easily deformed by the impact of water flow during the process of forward and backwashing, and are not durable.

Therefore, in view of this, the existing structure and deficiencies were studied and improved, and a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane was proposed.

Utility model content

The purpose of this utility model is to provide a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane, including a lower part of an outer cylinder and a partition plate. The inner surface of the lower part of the outer cylinder is provided with a protective pad, and A support component is placed on the inner surface of the protective pad. The support component includes a mesh bag, an elastic ring and a support plate. An elastic ring is set on the outside of the mesh bag, and between the mesh bag and the elastic ring Support plates are distributed, and a purification component is provided inside the grid bag, and the purification component includes a membrane wall, membrane holes, and micropores. The surface of the membrane wall is provided with membrane holes, and micropores are provided between the membrane holes. hole, the partition plate is arranged inside the purification component, and the other end of the partition plate is provided with an inner core.

Further, a magnetic block is provided at the top groove of the lower part of the outer cylinder, and the top of the magnetic block is connected to a metal block.

Further, the top of the metal block is provided with a plug-in plate, and the top of the plug-in plate is connected to the upper part of the outer cylinder.

Further, the lower part of the outer cylinder and the upper part of the outer cylinder are both semicircular, and two plug-in boards are provided symmetrically with respect to the center position of the upper part of the outer cylinder.

Further, the magnetic blocks, metal blocks and plug boards are arranged in the same number, and the metal blocks and the magnetic blocks are magnetically connected.

Further, there are three elastic rings equidistantly distributed on the outside of the mesh bag, and four support plates are annularly distributed equidistantly on the inside of the elastic ring.

Furthermore, there are six partition boards, and the partition boards and the inner core have an integrated structure.

Further, a filter hole 1 is provided in the middle of the inner core, and a filter hole 2 is provided between two adjacent partition plates.

The utility model provides a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane, which has the following features:

Beneficial effects:

1. The six partition plates of this utility model are arranged annularly and equidistantly between the inner core and the purification assembly, which can play a certain role in supporting and reinforcing the purification assembly. When the purification assembly is undergoing forward and backwashing, it is not easily affected by the impact of water flow. At the same time, the elastic ring makes the support plate and the mesh bag close to the outside of the purification component, which effectively inhibits the loosening of the purification component and maintains good interception performance.

2. The utility model realizes a detachable fixed connection between the upper part of the outer cylinder and the lower part of the outer cylinder by relying on the magnetic connection between the metal block and the magnetic block, saving installation and disassembly time. At the same time, the upper part of the outer cylinder is connected to the lower part of the outer cylinder through the plug plate. The top groove insertion increases the contact area with the lower part of the outer cylinder, avoiding serious misalignment after stress and wasting time to re-fix.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane of the present invention;

Figure 2 is a schematic three-dimensional structural diagram of the support assembly of a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane of the present invention;

Figure 3 is an enlarged structural schematic diagram of position A in Figure 1 of a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane of the present invention;

Figure 4 is a schematic cross-sectional structural diagram of a purification component of a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane of the present invention.

In the picture: 1. Lower part of the outer cylinder; 2. Magnetic block; 3. Metal block; 4. Plug plate; 5. Upper part of the outer cylinder; 6. Protective pad; 7. Support component; 701. Mesh bag; 702. Elastic ring; 703, support plate; 8, purification component; 801, membrane wall; 802, membrane hole; 803, micropore; 9, partition plate; 10, inner core; 11, filter hole one; 12, filter hole two.

Detailed ways

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

As shown in Figures 1, 2 and 4, a pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane includes a lower part of an outer cylinder 1 and a partition plate 9. The inner surface of the lower part of the outer cylinder 1 is provided with a protective pad 6. And the support component 7 is placed on the inner surface of the protective pad 6. The support component 7 includes a mesh drawstring bag 701, an elastic ring 702 and a support plate 703. The mesh drawstring bag 701 is provided with an elastic ring 702 on the outside, and the mesh drawstring bag 701 is provided with an elastic ring 702. There are support plates 703 distributed between 701 and the elastic ring 702. Three elastic rings 702 are equidistantly distributed on the outside of the mesh bag 701, and four support plates 703 are equidistantly distributed on the inner side of the elastic ring 702. The mesh A purification component 8 is provided inside the bag 701, and the purification component 8 includes a membrane wall 801, a membrane hole 802 and a micropore 803. The surface of the membrane wall 801 is provided with a membrane hole 802, and there are micropores 803 between the membrane holes 802. , the partition plate 9 is arranged inside the purification component 8, and the other end of the partition plate 9 is provided with an inner core 10. There are six partition plates 9, and the partition plate 9 and the inner core 10 have an integrated structure. There is a filter hole 11 in the middle, and a filter hole 12 is provided between two adjacent partition plates 9. Six partition plates 9 are annularly arranged at equal intervals between the inner core 10 and the purification assembly 8, which can filter the purification assembly 8. It plays a certain supporting and reinforcing role. When the purification component 8 is undergoing forward and backwashing, it is not easily affected by the impact of water flow and deforms. At the same time, the elastic ring 702 makes the support plate 703 and the mesh bag 701 closely adhere to the outside of the purification component 8, effectively The phenomenon of loosening of the purification component 8 is suppressed, allowing it to maintain good interception performance;

As shown in Figure 3, a magnetic block 2 is provided at the top groove of the lower part 1 of the outer cylinder, and the top of the magnetic block 2 is connected to a metal block 3. The top of the metal block 3 is provided with a plug plate 4, and the plug plate 4 The top of the outer cylinder is connected to the upper part 5 of the outer cylinder. Both the lower part 1 and the upper part 5 of the outer cylinder are semicircular, and there are two plug-in boards 4 arranged symmetrically about the center of the upper part 5 of the outer cylinder. The magnetic block 2, the metal block 3 and The number of plug boards 4 is the same, and the metal block 3 and the magnetic block 2 are magnetically connected. The outer cylinder upper part 5 and the outer cylinder lower part 1 rely on the magnetic connection between the metal block 3 and the magnetic block 2 to achieve a detachable fixed connection. , saving installation and disassembly time. At the same time, the upper part of the outer cylinder 5 is plugged into the top groove of the lower part of the outer cylinder 1 through the plug-in plate 4 and the lower part of the outer cylinder 1 increases the contact area with the lower part of the outer cylinder 1, avoiding serious misalignment after stress and wasting time. Repin.

In summary, when using this pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane, first place the purification component 8 with the support component 7 on the outside on the protective pad 6 on the inner surface of the lower part 1 of the outer cylinder, and then put the outer The upper part 5 of the outer cylinder is covered with the top of the lower part 1 of the outer cylinder, and the contact area between the upper part 5 of the outer cylinder and the lower part 1 of the outer cylinder is increased through the plug-in plate 4 and the top groove of the lower part 1 of the outer cylinder, so as to avoid misalignment and make the upper part 5 of the outer cylinder , the lower part of the outer cylinder 1 can rely on the magnetic connection of the metal block 3 and the magnetic block 2 to achieve a fixed connection that is easy to disassemble. Since the six partition plates 9 are annularly equidistantly arranged between the inner core 10 and the purification assembly 8, the purification assembly 8 It plays a certain supporting and reinforcing role, so that the purification component 8 can overcome the impact of water flow and external force squeezing and not be easily deformed during the forward and backwashing process. The setting of filter hole one 11 and filter hole two 12 prevents the purification component 8 from appearing. To prevent clogging, the three elastic rings 702 distributed in parallel can make the four support plates 703 and a mesh bag 701 close to the outside of the purification assembly 8, inhibiting the loosening of the purification assembly 8 and maintaining the interception performance. When the purification assembly 8 When it is necessary to improve the purification effect through cleaning, the outer cylinder upper part 5 and the outer cylinder lower part 1 can be separated, and then the purification component 8 can be easily removed between the outer cylinder upper part 5 and the outer cylinder lower part 1, and the purification component 8 can be moved by stretching the elastic ring 702. Separate from this, the membrane wall 801 is made of polyvinylidene fluoride, and the membrane holes 802 are evenly arranged, which improves the pressure resistance of the purification component 8 while ensuring uniform distribution of water flow without dead ends.

The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention and design various embodiments with various modifications as are suited to the particular use.

Claims (8)

1. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane, including a lower part of an outer cylinder (1) and a partition plate (9), characterized in that the inner surface of the lower part of the outer cylinder (1) is provided with a protective pad (6), and a support component (7) is placed on the inner surface of the protective pad (6). The support component (7) includes a mesh bag (701), an elastic ring (702) and a support plate (703). The mesh draw bag (701) is equipped with an elastic ring (702) on the outside, and a support plate (703) is distributed between the mesh draw bag (701) and the elastic ring (702). The mesh draw bag (702) is A purification component (8) is provided inside 701), and the purification component (8) includes a membrane wall (801), a membrane hole (802), and a micropore (803). The surface of the membrane wall (801) is provided with a membrane hole. (802), and micropores (803) are provided between the membrane holes (802), the partition plate (9) is provided inside the purification component (8), and the other end of the partition plate (9) is provided with an inner core (10). 2. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane according to claim 1, characterized in that a magnetic block (2) is provided at the top groove of the lower part (1) of the outer cylinder, and A metal block (3) is connected to the top of the magnetic block (2). 3. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane according to claim 2, characterized in that a plug-in plate (4) is provided on the top of the metal block (3), and the plug-in plate The top of (4) is connected with the outer cylinder upper part (5). 4. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane according to claim 3, characterized in that the lower part of the outer cylinder (1) and the upper part of the outer cylinder (5) are both semicircular and connected. Two inserting plates (4) are arranged symmetrically about the center position of the upper part of the outer cylinder (5). 5. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane according to claim 3, characterized in that the number of the magnetic block (2), metal block (3) and plug plate (4) is provided The metal block (3) and the magnetic block (2) are magnetically connected. 6. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane according to claim 1, characterized in that there are three elastic rings (702) equidistantly distributed about the outside of the mesh bag (701). , and four supporting plates (703) are annularly distributed equidistantly about the inner side of the elastic ring (702). 7. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane according to claim 1, characterized in that six partition plates (9) are provided, and the partition plates (9) and the inner core (9) are 10) Integrated structure. 8. A pressure-resistant and impact-resistant porous hollow fiber ultrafiltration membrane according to claim 1, characterized in that a filter hole (11) is provided in the middle of the inner core (10), and two adjacent ones are Two filter holes (12) are provided between each of the partition plates (9).