CN219942405U - Hollow fiber ultrafiltration membrane shell and hollow fiber ultrafiltration membrane component - Google Patents

Abstract

The utility model relates to a hollow fiber ultrafiltration membrane shell and a hollow fiber ultrafiltration membrane component, comprising a cylindrical end head and a cylindrical membrane shell, wherein an installation cavity which is axially arranged along the vertical direction is arranged in the end head; the inner wall of the end head is provided with a plurality of mortise grooves along the circumferential direction; a plurality of tenons which extend outwards in the radial direction and correspond to the mortise one by one are arranged on the side part of the film shell along the circumferential direction; the membrane shell stretches into the installation cavity from the bottom of the installation cavity, and the tenon is embedded in the mortise, so that the membrane shell is connected with the end head. In the utility model, the end head is connected with the membrane shell through the mortise and the tenon, and compared with the prior art, glue is not used for connection, correspondingly, an adhesive tool is not required to be used for extrusion fixing of the end head and the membrane shell, and the adhesive tools with different sizes are not required to be replaced according to different sizes of the end head and the membrane shell, so that the end head and the membrane shell are more convenient to assemble, and the working efficiency is high.

Description

Hollow fiber ultrafiltration membrane shell and hollow fiber ultrafiltration membrane component

Technical Field

The utility model relates to the technical field of water treatment, in particular to a hollow fiber ultrafiltration membrane shell and a hollow fiber ultrafiltration membrane component.

Background

With the continuous development of society, environmental problems are receiving increasing attention. The continuous discharge of industrial pollution and domestic sewage presents a great threat to water resources, and the problem of water resource shortage is continuously outstanding. In order to realize the recycling of water resources, the advantages of the membrane treatment technology in wastewater treatment are continuously displayed, and the pollution reduction capability is continuously improved.

At present, a hollow fiber ultrafiltration membrane component is generally divided into three parts, namely a membrane shell, an end cover and a connecting end part between the membrane shell and the end cover, wherein the connecting part between the membrane shell and the end is generally coated with glue, and then the membrane shell and the end are tightly pressed by using a bonding tool with corresponding length. Because the glue has pungent smell, the glue is operated for a long time and has a certain harm to human bodies. And because the bonding tool with corresponding length is needed to compress the membrane shell and the end, for hollow ultrafiltration membrane components with different sizes, the bonding tool with different sizes is needed, and the assembly procedure of the end and the membrane shell is complex, so that the working efficiency is low.

Thus, there is a need for a hollow fiber ultrafiltration membrane housing that is not attached using glue.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned shortcomings and disadvantages of the prior art, the present utility model provides a hollow fiber ultrafiltration membrane housing and a hollow fiber ultrafiltration membrane assembly, which solve the technical problems that in the prior art, hollow fiber ultrafiltration membrane housings with different sizes need to be pressed by using bonding tools with different sizes, and the assembly procedures of the end and the membrane housing are complicated.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

a hollow fiber ultrafiltration membrane shell comprises a cylindrical end head and a cylindrical membrane shell, wherein an installation cavity which is axially arranged along the vertical direction is formed in the end head;

the inner wall of the end head is provided with a plurality of mortise grooves at intervals along the circumferential direction;

a plurality of tenons which extend outwards in the radial direction and correspond to the mortise grooves one by one are arranged at intervals along the circumferential direction on the side part of the film shell;

the membrane shell extends into the mounting cavity from the bottom end of the mounting cavity, and the tenon is embedded in the mortise so that the membrane shell is connected with the end head.

Preferably, the connecting device further comprises a plurality of L-shaped connecting channels which are arranged on the inner wall of the end socket, the connecting channels are respectively in one-to-one correspondence with the mortise grooves, the connecting channels are positioned on the same side of the mortise groove corresponding to the connecting channels, one end of each connecting channel is communicated with the mortise groove, and the other end of each connecting channel extends to the bottom end face of the end socket;

the membrane shell is characterized in that the tenon moves along the connecting channel when the bottom end of the mounting cavity stretches into the mounting cavity, the membrane shell and the end head rotate relatively, and the tenon enters the mortise from the connecting channel.

Preferably, the number of the mortise and the tenon is 3-5.

Preferably, a plurality of the mortise slots and a plurality of the tenons are uniformly distributed.

Preferably, the sealing device further comprises a sealing ring for sealing the end head with the membrane shell;

the upper end in the end head is provided with an annular limiting ring, the limiting ring is arranged above the membrane shell, and the inner diameter of the limiting ring is consistent with the inner diameter of the membrane shell;

the outer side part of the sealing ring is arranged between the limiting ring and the membrane shell, and the inner side part is attached to the inner side of the limiting ring and the inner side of the membrane shell.

Preferably, the seal ring includes a blocking ring disposed on a radially inner side and a support ring disposed on an outer side of the blocking ring;

the upper end of the blocking ring is in sealing contact with the inner side of the limiting ring, and the lower end of the blocking ring is in sealing contact with the inner side of the membrane shell;

the upper end of the supporting ring is abutted with the limiting ring, and the lower end of the supporting ring is abutted with the membrane shell.

Preferably, the seal ring further comprises a first connecting ring;

and two ends of the first connecting ring are respectively connected with the blocking ring and the supporting ring.

Preferably, the sealing ring further comprises a second connecting ring;

one end of the second connecting ring is connected with the supporting ring, and the other end of the second connecting ring is abutted with the end head.

The scheme also provides a hollow fiber ultrafiltration membrane component, which comprises the hollow fiber ultrafiltration membrane shell in any scheme.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

(1) In the utility model, the end head is connected with the membrane shell through the mortise and the tenon, and compared with the prior art, glue is not used for connection, correspondingly, an adhesive tool is not required to be used for extrusion fixing of the end head and the membrane shell, and the adhesive tools with different sizes are not required to be replaced according to different sizes of the end head and the membrane shell, so that the end head and the membrane shell are more convenient to assemble, and the working efficiency is high.

(2) According to the utility model, the tenon is arranged in the mortise through the connecting channel, and the tenon is limited in the vertical direction through the sealing ring, so that the end head is connected with the membrane shell.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of a hollow fiber ultrafiltration membrane housing in accordance with the present utility model;

FIG. 2 is a cross-sectional view of a tip in the present utility model;

FIG. 3 is a cross-sectional view of a seal ring in accordance with the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

FIG. 5 is a schematic view showing the assembly of the mortise, tenon and mortise and connecting channels in the present utility model;

fig. 6 is a schematic view of the overall structure of the membrane shell in the present utility model.

[ reference numerals description ]

1: an end head; 2: a membrane shell; 3: a seal ring; 12: a connection channel; 13: a limiting ring; 14: mortise; 15: a mounting cavity; 21: a tenon; 31: a support ring; 32: a blocking ring.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Referring to fig. 1, the side closer to the center axis of the tip 1 is defined as "inside", and the side farther from the center axis of the tip 1 is defined as "outside".

Example 1

As shown in fig. 1 to 6, a hollow fiber ultrafiltration membrane shell comprises a cylindrical end head 1 and a cylindrical membrane shell 2, wherein mounting cavities 15 which are axially arranged at intervals along the vertical direction are formed in the end head 1, and the mounting cavities 15 and the end head 1 are coaxially arranged; the inner wall of the end head 1 is provided with a plurality of mortise grooves 14 at intervals along the circumferential direction; a plurality of tenons 21 which extend outwards in the radial direction and correspond to the mortise grooves 14 one by one are arranged on the side part of the film shell 2 along the circumferential direction; the membrane shell 2 extends into the mounting cavity 15 from the bottom end of the mounting cavity 15, and the tenon 21 is embedded in the mortise 14, so that the membrane shell 2 is connected with the end head 1.

In the prior art, the end head 1 is connected with the membrane shell 2 through glue, but when the glue is connected, the end head 1 and the membrane shell 2 are required to be extruded and fixed by using an adhesion tool, and hollow fiber ultrafiltration membrane shells with different sizes are required to be bonded by using adhesion tools with different sizes, so that the process is complex and the working efficiency is low in the assembling process. In the utility model, the end head 2 is connected with the membrane shell 2 through the mortise 14 and the tenon 21, and compared with the prior art, the end head 2 is not connected by glue, and correspondingly, the end head 1 and the membrane shell 2 are not required to be extruded and fixed by using an adhesion tool, so that the end head 1 and the membrane shell 2 are more convenient to assemble and have higher efficiency.

As shown in fig. 2, the hollow fiber ultrafiltration membrane shell further comprises a plurality of connecting channels 12 which are uniformly arranged on the inner wall of the end head 1 and have an L-shaped structure, the connecting channels 12 are respectively in one-to-one correspondence with the mortise grooves 14, the connecting channels 12 are respectively positioned on the same side of the corresponding mortise groove 14, one end of each connecting channel 12 is communicated with the mortise groove 14, and the other end of each connecting channel extends to the bottom end face of the end head 1; when the bottom end of the mounting cavity 15 stretches into the mounting cavity 15, the tenon 21 moves along the connecting channel 12, the membrane shell 2 and the end head 1 are relatively rotated, and the tenon 21 enters the mortise 14 from the connecting channel 12.

As shown in fig. 2, specifically, the connecting passage 12 includes a first passage arranged in the vertical direction and a second passage arranged in the horizontal direction, one end of which communicates with the first passage and the other end communicates with the mortise 14. The top end face of the mortise 14 and the top end face of the second channel are on the same plane, and the plane where the bottom end face of the mortise 14 is located below the plane where the bottom end face of the second channel is located, so that after the end 1 and the membrane shell 2 are assembled, the end 1 and the membrane shell 2 need to be relatively moved in the vertical direction, and then the tenon 21 and the mortise 14 can be separated, so that the end 1 and the membrane shell 2 can be prevented from being easily separated, and normal use is affected.

When the end 1 and the membrane shell 2 are assembled, the tenon 21 is enabled to move upwards along the bottom end of the first channel, the membrane shell 2 stretches into the end 1, and then the membrane shell 2 and the end 1 are enabled to rotate relatively, so that the tenon 21 moves into the mortise 14 along the second channel, the tenon 21 is enabled to be connected with the mortise 14 in a matched mode, and the membrane shell 2 is enabled to be connected with the end 1.

As shown in fig. 2 and 6, the number of the mortise 14 and the tenon 21 is 3 to 5, and the mortise 14 and the tenon 21 are uniformly distributed.

As shown in fig. 3 and 4, the hollow fiber ultrafiltration membrane housing further comprises a sealing ring 3 for sealing the terminal head 1 with the membrane housing 2; the upper end in the end head 1 is provided with an annular limiting ring 13, the limiting ring 13 is arranged above the membrane shell 2, and the inner diameter of the limiting ring 13 is consistent with the inner diameter of the membrane shell 2; the outside portion of sealing ring 3 is arranged between spacing ring 13 and membrane shell 2, and the inside portion is laminated with the inboard of spacing ring 13 and membrane shell 2. The gap between the end head 1 and the membrane shell 2 is sealed by the sealing ring 3 so as to prevent filtered matters from being discharged from the gap between the end head 1 and the membrane shell 2 without passing through an ultrafiltration membrane.

As shown in fig. 3 and 4, wherein the annular seal ring 3 includes a blocking ring 32, a first connecting ring, a supporting ring 31, and a second connecting ring in this order from the radially inner side to the radially outer side, wherein the first connecting ring is disposed in the middle of the blocking ring 32 to divide the blocking ring 32 into an upper end of the blocking ring 32 and a lower end of the blocking ring 32; the upper end of the blocking ring 32 is in sealing contact with the inner side of the limiting ring 13, and the lower end is in sealing contact with the inner side of the membrane shell 2; the upper end of the supporting ring 31 is abutted with the limiting ring 13, and the lower end is abutted with the membrane shell 2. The first connection ring is connected at both ends thereof to the blocking ring 32 and the supporting ring 31, respectively. One end of the second connecting ring is connected with the supporting ring 31, and the other end is abutted with the end head 1.

Specifically, as shown in fig. 3 and 4, after the end head 1 and the membrane housing 2 are assembled, the gap between the bottom end surface of the stopper ring 13 and the top end surface of the membrane housing 2 is an installation gap. The radial section of the blocking ring 32 is of an arc-shaped structure, the contact side of the blocking ring 32 with the limiting ring 13 and the membrane shell 2 is a plane, the height of the blocking ring 32 is larger than that of the installation gap, the first connecting ring is installed in the middle of the plane side of the blocking ring 32, and after the installation is completed, the plane is attached to the limiting ring 13 and the membrane shell 2 so as to prevent filter materials from entering the installation gap. The support ring 31 includes two support angles extending upward and downward, respectively, from the first connection ring, and the distance between the two support angles should be equal to or slightly greater than the installation gap. During installation, when the tenon 21 is positioned in the second channel of the connecting channel 12, which is arranged along the horizontal direction, the two supporting angles are in extrusion states, and when the tenon 21 moves from the second channel to the mortise 14, the extrusion of the two supporting angles is released so as to push the tenon 21 into the mortise 14 and limit the tenon 21 in the vertical direction.

Example 2

A hollow fiber ultrafiltration membrane module comprising a hollow fiber ultrafiltration membrane housing according to any one of the above aspects.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (9)

1. The hollow fiber ultrafiltration membrane shell is characterized by comprising a cylindrical end head (1) and a cylindrical membrane shell (2), wherein an installation cavity (15) axially arranged along the vertical direction is formed in the end head (1);

the inner wall of the end head (1) is provided with a plurality of mortise grooves (14) at intervals along the circumferential direction;

a plurality of tenons (21) which extend outwards in the radial direction and are in one-to-one correspondence with the mortise grooves (14) are arranged at intervals along the circumferential direction on the side part of the film shell (2);

the membrane shell (2) extends into the mounting cavity (15) from the bottom end of the mounting cavity (15), and the tenon (21) is embedded in the mortise (14), so that the membrane shell (2) is connected with the end head (1).

2. The hollow fiber ultrafiltration membrane housing according to claim 1, further comprising a plurality of L-shaped connecting channels (12) formed on the inner wall of the end head (1), wherein the connecting channels (12) are respectively in one-to-one correspondence with the mortise grooves (14), the connecting channels (12) are respectively positioned on the same side of the mortise groove (14) corresponding to the connecting channels, one end of each connecting channel (12) is communicated with the mortise groove (14), and the other end extends to the bottom end surface of the end head (1);

when the bottom end of the mounting cavity (15) stretches into the mounting cavity (15), the tenon (21) moves along the connecting channel (12), the membrane shell (2) and the end head (1) rotate relatively, and the tenon (21) enters the mortise (14) from the connecting channel (12).

3. Hollow fiber ultrafiltration membrane housing according to claim 1, wherein the number of said mortise (14) and said tenon (21) is 3 to 5.

4. A hollow fiber ultrafiltration membrane housing according to claim 3, wherein a plurality of said mortise grooves (14) and a plurality of said tenon (21) are uniformly distributed.

5. The hollow fiber ultrafiltration membrane housing of claim 1, further comprising a sealing ring (3) for sealing the tip (1) with the membrane housing (2);

the upper end in the end head (1) is provided with an annular limiting ring (13), the limiting ring (13) is arranged above the membrane shell (2), and the inner diameter of the limiting ring (13) is consistent with the inner diameter of the membrane shell (2);

the outer side part of the sealing ring (3) is arranged between the limiting ring (13) and the membrane shell (2), and the inner side part is attached to the inner sides of the limiting ring (13) and the membrane shell (2).

6. The hollow fiber ultrafiltration membrane housing of claim 5, wherein the sealing ring (3) comprises a blocking ring (32) placed radially inside and a supporting ring (31) placed outside the blocking ring (32);

the upper end of the blocking ring (32) is in sealing contact with the inner side of the limiting ring (13), and the lower end of the blocking ring is in sealing contact with the inner side of the membrane shell (2);

the upper end of the supporting ring (31) is abutted with the limiting ring (13), and the lower end of the supporting ring is abutted with the membrane shell (2).

7. The hollow fiber ultrafiltration membrane housing of claim 6, wherein the sealing ring (3) further comprises a first connection ring;

the two ends of the first connecting ring are respectively connected with the blocking ring (32) and the supporting ring (31).

8. The hollow fiber ultrafiltration membrane housing of claim 7, wherein the sealing ring (3) further comprises a second connection ring;

one end of the second connecting ring is connected with the supporting ring (31), and the other end of the second connecting ring is abutted with the end head (1).

9. A hollow fiber ultrafiltration membrane module comprising the hollow fiber ultrafiltration membrane housing of any one of claims 1 to 8.