Ultrafiltration membrane components

Abstract

The utility model discloses an ultrafiltration membrane assembly, comprising: a shell with a central tube, a downpipe, a fiber membrane thread is arranged between the central tube and the inner wall of the shell, and a water collection area is provided between the fiber membrane thread and the inner wall of the shell, an opening is arranged on one side of the shell, an end cover with a water outlet pipe cooperates with the opening, and a slide groove is provided on the outer wall of the shell along the circumference of the opening, a stop ring with a through groove is arranged on the side of the slide groove close to the end cover, the through groove is connected with the slide groove, a fixing plate arranged on the circumferential inner wall of the end cover can pass through the through groove and be embedded in the inside of the slide groove, an annular plug plate is arranged on the inner wall of the opening, and an annular slot for the annular plug plate to be embedded is arranged on the inner wall of the end cover. The utility model ultrafiltration membrane assembly can realize the rapid disassembly and installation of the end cover and the shell, and is conducive to improving the sealing between the end cover and the shell, and reducing the leakage at the connection between the end cover and the shell.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrafiltration devices, in particular to an ultrafiltration membrane component. Background Art

[0002] Hollow ultrafiltration membrane, as a membrane water treatment equipment, has been widely used in various fields, such as seawater desalination pretreatment, industrial wastewater and domestic wastewater treatment. The existing hollow membrane components used in the water treatment field generally adopt a single-end water inlet and single-end water outlet method. The raw liquid enters the membrane shell from the water inlet, flows out at one end of the membrane fiber after being filtered by the membrane fiber, and then the filtrate is collected and flows out from the water outlet.

[0003] After searching, the patent publication number CN217708969U discloses a "tubular ultrafiltration membrane assembly", including: a central tube, a plurality of through holes are arranged on the circumferential outer wall between the water inlet and the water outlet, a first support ring is arranged inside the shell and at one end close to the water inlet, a second support ring is arranged at one end close to the water outlet, a plurality of fiber membrane filaments are arranged between the two opposite surfaces of the first support ring and the second support ring, the water outlet of the central tube is connected to a water outlet pipe, a sealing sleeve is arranged at one end of the water outlet pipe close to the shell, the sealing sleeve is threadedly connected to the shell, an annular groove is provided on the inner wall of one side relative to the second support ring, and a connecting sleeve is arranged on the side of the second support ring opposite to the fiber membrane filament for embedding in the annular groove. The device improves the position accuracy of the fiber membrane filament, thereby improving the water production efficiency, and also improves the sealing performance of the device as a whole during long-term use.

[0004] In the prior art, when replacing the filter element, the end cap needs to be rotated to replace the filter element because the end cap and the outer shell are connected in a spiral manner. However, during long-term use, the connection between the end cap and the thread is easily corroded by water, and it is inconvenient to remove the end cap. If it is forcibly removed and opened, it is easy to cause damage to the end cap and the outer shell, resulting in a decrease in the sealing of the device and causing water leakage in the device, which is inconvenient to use. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an ultrafiltration membrane assembly, which can realize the rapid disassembly and installation of the end cover and the shell, and is conducive to improving the sealing between the end cover and the shell, thereby reducing water leakage at the connection between the end cover and the shell.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: an ultrafiltration membrane assembly, comprising: a shell with a central tube, a downpipe, a fiber membrane thread is arranged between the central tube and the inner wall of the shell, and a water collection area is provided between the fiber membrane thread and the inner wall of the shell, and the downpipe installed on the shell is connected with the water collection area;

[0007] An opening is provided on one side of the shell, an end cover with a water outlet pipe cooperates with the opening, and a slide groove is provided on the outer wall of the shell along the circumference of the opening, a stop ring with a through groove is provided on the side of the slide groove close to the end cover, the through groove is connected with the slide groove, a fixing plate provided on the circumferential inner wall of the end cover can pass through the through groove and be embedded in the interior of the slide groove, an annular plug plate is provided on the inner wall of the opening, and an annular groove for the annular plug plate to be embedded is provided on the inner wall of the end cover.

[0008] The further improved scheme in the above technical scheme is as follows:

[0009] 1. In the above solution, an elastic sealing ring is provided inside the annular groove.

[0010] 2. In the above solution, a first support ring is installed at one end of the fiber membrane thread, and a second support ring is installed at the other end.

[0011] 3. In the above solution, the area of ​​the central tube having the through hole is located between the first support ring and the second support ring.

[0012] 4. In the above solution, the through holes are distributed at equal intervals along the circumference of the central tube.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] The utility model ultrafiltration membrane component, the inner wall of which is located at the opening is provided with an annular plug plate, and the inner wall of the end cover is provided with an annular groove for the annular plug plate to be embedded in, a side of the slide groove close to the end cover is provided with a stop ring with a through groove, the through groove and the slide groove are through-connected, a fixing plate arranged on the circumferential inner wall of the end cover can pass through the through groove and be embedded in the interior of the slide groove, the end cover is inserted into the interior of the slide groove through the through groove and then rotated, the stop ring can fix the fixing plate of the end cover, and the annular plug plate can be embedded in the annular groove of the end cover, which can realize the rapid disassembly and installation of the end cover and the shell, and is conducive to improving the sealing between the end cover and the shell, and reducing the leakage at the connection between the end cover and the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attached Figure 1 This is a schematic diagram of the overall structure of the ultrafiltration membrane assembly of the utility model;

[0016] Attached Figure 2 It is a partial structural exploded view of the ultrafiltration membrane assembly of the utility model;

[0017] Attached Figure 3 This is a structural cross-sectional view of the ultrafiltration membrane assembly of the utility model;

[0018] Attached Figure 4 For the utility model Figure 3 Enlarged view of point A.

[0019] In the above figures: 1, outer shell; 101, open mouth; 2, end cover; 3, fixed plate; 4, slide groove; 5, through groove; 6, center pipe; 7, water outlet pipe; 8, down pipe; 9, fiber membrane filament; 10, first support ring; 11, second support ring; 12, through hole; 13, water collection area; 14, stop ring; 15, annular plug plate; 16, annular groove; 17, elastic sealing ring. DETAILED DESCRIPTION

[0020] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0021] Embodiment 1: An ultrafiltration membrane assembly, comprising: a housing 1 having a central tube 6, a downpipe 8, a fiber membrane filament 9 is disposed between the central tube 6 and the inner wall of the housing 1, and a water collection area 13 is disposed between the fiber membrane filament 9 and the inner wall of the housing 1, and the downpipe 8 installed on the housing 1 is connected to the water collection area 13;

[0022] When the end cover needs to be disassembled, the end cover is screwed so that the fixing plate inside the end cover is aligned with the corresponding through slot, and then the end cover is pulled away from the shell to separate the end cover from the shell, so that the fiber membrane yarn can be replaced, and then a new fiber membrane yarn is inserted;

[0023] An opening 101 is provided on one side of the housing 1, and an end cover 2 having a water outlet pipe 7 is matched with the opening 101, and a slide groove 4 is provided on the outer wall of the housing 1 along the circumference of the opening 101, and a stop ring 14 having a through groove 5 is provided on one side of the slide groove 4 close to the end cover 2;

[0024] The through slot 5 is connected to the slide slot 4, and a fixing plate 3 arranged on the circumferential inner wall of the end cover 2 can pass through the through slot 5 and be embedded in the slide slot 4. An annular plug plate 15 is arranged on the inner wall of the opening 101, and an annular groove 16 for the annular plug plate 15 to be embedded is arranged on the inner wall of the end cover 2;

[0025] When the end cover needs to be installed, align the fixing plate inside the end cover with the through groove opened on the outer surface of the shell, and insert the annular plug plate inside the shell into the annular groove of the end cover, then screw the end cover to make the fixing plate rotate along the slide groove, and the stop ring is pressed against the fixing plate to realize the connection between the end cover and the shell.

[0026] An elastic sealing ring 17 is disposed inside the annular groove 16 , and the elastic sealing ring in the annular groove improves the sealing performance between the end cover and the housing.

[0027] A first supporting ring 10 is installed at one end of the fiber membrane filament 9, and a second supporting ring 11 is installed at the other end.

[0028] The area of ​​the central tube 6 having the through hole 12 is located between the first support ring 10 and the second support ring 11 .

[0029] The through holes 12 are distributed at equal intervals along the circumference of the central tube 6 .

[0030] The elastic sealing ring 17 is a rubber ring.

[0031] Embodiment 2: An ultrafiltration membrane assembly, comprising: a housing 1 having a central tube 6, a downpipe 8, a fiber membrane filament 9 is disposed between the central tube 6 and the inner wall of the housing 1, and a water collection area 13 is disposed between the fiber membrane filament 9 and the inner wall of the housing 1, and the downpipe 8 installed on the housing 1 is connected to the water collection area 13;

[0032] An opening 101 is provided on one side of the housing 1, and an end cover 2 having a water outlet pipe 7 is matched with the opening 101, and a slide groove 4 is provided on the outer wall of the housing 1 along the circumference of the opening 101, and a stop ring 14 having a through groove 5 is provided on one side of the slide groove 4 close to the end cover 2;

[0033] The end cover is inserted into the slide groove through the through groove and then rotated, the stop ring can fix the fixing plate of the end cover, and the annular plug plate can be inserted into the annular groove of the end cover, which can not only realize the rapid disassembly and installation of the end cover and the shell, but also help to improve the sealing between the end cover and the shell, and reduce the leakage of the connection between the end cover and the shell;

[0034] The through slot 5 is connected to the slide slot 4, and a fixing plate 3 arranged on the circumferential inner wall of the end cover 2 can pass through the through slot 5 and be embedded in the slide slot 4. An annular plug plate 15 is arranged on the inner wall of the opening 101, and an annular groove 16 for the annular plug plate 15 to be embedded is arranged on the inner wall of the end cover 2;

[0035] An elastic sealing ring 17 is disposed inside the annular groove 16 .

[0036] A first supporting ring 10 is installed at one end of the fiber membrane filament 9, and a second supporting ring 11 is installed at the other end.

[0037] The area of ​​the central tube 6 having the through hole 12 is located between the first support ring 10 and the second support ring 11 .

[0038] The through holes 12 are distributed at equal intervals along the circumference of the central tube 6 .

[0039] The elastic sealing ring 17 is a silicone ring.

[0040] The working principle is:

[0041] When in use, when the end cover needs to be disassembled, the end cover is screwed so that the fixing plate inside the end cover is aligned with the corresponding through groove, and then the end cover is pulled away from the shell to separate the end cover from the shell, so that the fiber membrane yarn can be replaced easily, and then a new fiber membrane yarn can be put in;

[0042] When the end cover needs to be installed, align the fixing plate inside the end cover with the through groove opened on the outer surface of the shell, and insert the annular plug plate inside the shell into the annular groove of the end cover, then screw the end cover to make the fixing plate rotate along the slide groove, and the stop ring is pressed against the fixing plate to realize the connection between the end cover and the shell.

[0043] By using the above-mentioned ultrafiltration membrane assembly, the end cover is embedded in the slide groove through the through groove and then rotated, the stop ring can fix the fixing plate of the end cover, and the annular plug plate can be embedded in the annular groove of the end cover, which can not only realize the rapid disassembly and installation of the end cover and the outer shell, but also help to improve the sealing between the end cover and the outer shell, and reduce water leakage at the connection between the end cover and the outer shell.

[0044] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An ultrafiltration membrane assembly, comprising: A shell (1) having a central tube (6) and a downpipe (8), wherein a fiber membrane thread (9) is arranged between the central tube (6) and the inner wall of the shell (1), and a water collection area (13) is provided between the fiber membrane thread (9) and the inner wall of the shell (1), and the downpipe (8) installed on the shell (1) is connected to the water collection area (13); The invention is characterized in that: an opening (101) is provided on one side of the shell (1), an end cover (2) having a water outlet pipe (7) cooperates with the opening (101), and a slide groove (4) is provided on the outer wall of the shell (1) along the circumference of the opening (101), a stop ring (14) having a through groove (5) is provided on the side of the slide groove (4) close to the end cover (2), the through groove (5) and the slide groove (4) are connected through, a fixing plate (3) arranged on the circumferential inner wall of the end cover (2) can pass through the through groove (5) and be embedded in the interior of the slide groove (4), an annular plug plate (15) is provided on the inner wall of the opening (101), and an annular groove (16) for the annular plug plate (15) to be embedded is provided on the inner wall of the end cover (2).

2. The ultrafiltration membrane assembly according to claim 1, characterized in that: An elastic sealing ring (17) is arranged inside the annular clamping groove (16).

3. The ultrafiltration membrane assembly according to claim 1, characterized in that: A first supporting ring (10) is installed at one end of the fiber membrane yarn (9), and a second supporting ring (11) is installed at the other end.

4. The ultrafiltration membrane assembly according to claim 3, characterized in that: The area of ​​the central tube (6) having the through hole (12) is located between the first support ring (10) and the second support ring (11).

5. The ultrafiltration membrane assembly according to claim 4, characterized in that: The through holes (12) are distributed at equal intervals along the circumference of the central tube (6).

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