CN221131322U

CN221131322U - Ultrafiltration backwashing equipment

Info

Publication number: CN221131322U
Application number: CN202323018158.5U
Authority: CN
Inventors: 杨万万; 李康; 鄯宇田; 刘盈汐
Original assignee: Beijing Yansan Veolia Water Co Ltd
Current assignee: Beijing Yansan Veolia Water Co Ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-06-14
Anticipated expiration: 2033-11-09

Abstract

The utility model discloses ultrafiltration backwashing equipment, which relates to the technical field of ultrafiltration water purification, and is characterized in that a filter shell and a webpage replacement are arranged, when a filter screen is required to be replaced, a worker only needs to install a new filter screen in an installation hole of the webpage replacement, then pushes the webpage replacement, so that the webpage replacement drives the filter screen to be replaced in the filter shell to slide out from the other end, the new filter screen can be installed in the filter shell, and the filter screen to be replaced is moved out of the filter shell, thereby the filter screen to be replaced is taken down to complete the replacement operation of the filter screen, the filter screen is convenient and quick to replace, the replacement efficiency is improved, and the backwashing operation of ultrafiltration is not required to be stopped when the filter screen is replaced, so that the purpose of continuous backwashing is achieved; meanwhile, by arranging two groups of filter plates, one filter plate can be guaranteed to be in a working state all the time, and the effectiveness of filtering backwash liquid in the process of replacing the filter screen is guaranteed.

Description

Ultrafiltration backwashing equipment

Technical Field

The utility model relates to the technical field of ultrafiltration water purification, in particular to ultrafiltration backwashing equipment.

Background

In recent years, ultrafiltration technology has been developed extremely rapidly, and has been used not only for separation of a specific solution but also for industrial water supply. Can intercept macromolecular substances and impurities with the diameter of more than 0.02-0.1 micrometer. Ultrafiltration membranes allow the passage of small molecular substances and soluble solids (inorganic salts) and the like while retaining colloid, protein, microorganisms and macromolecular organics, the cut molecular weight range used to represent the pore size of the ultrafiltration membrane is typically between 1,000 and 500,000. Early days, it was mostly used for industrial ultrafiltration in wastewater and sewage treatment. With development of ultrafiltration technology, ultrafiltration technology nowadays relates to various fields such as food processing, beverage industry, medicine industry, printing and dyeing wastewater, food industry wastewater treatment, resource recovery, environmental engineering and the like, and ultrafiltration is mainly used as pretreatment equipment in practical application, so that long-term safe and stable operation of subsequent equipment such as reverse osmosis and the like is ensured.

Among the prior art, ultrafiltration backwash equipment is carried the flushing liquid through the backwash pump generally, when using, often can add the filter screen in backwash pump's raceway department, filters impurity in the flushing liquid, but behind filter screen use a period, the filter screen upper end often can a large amount of debris remain, difficult clearance, and current ultrafiltration backwash equipment is difficult to dismantle fast the filter screen, leads to the filter screen clearance to waste time and energy, consequently needs an ultrafiltration backwash equipment.

Disclosure of utility model

The application aims to provide ultrafiltration backwashing equipment for solving the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an ultrafiltration backwash equipment, includes the backwash pump, and backwash pump both ends are fixed respectively and are linked together have inlet tube and wash pipe, installs filter unit on the wash pipe, and filter unit includes:

the filter shell is fixedly arranged in the middle of the flushing pipe and forms a channel inside;

The webpage is replaced, the webpage transversely penetrates through the middle of the filter shell and is in sliding connection with the filter shell, two symmetrically arranged mounting holes are formed in the webpage replacement, and when one end of the webpage replacement is abutted against one side of the filter shell, one of the mounting holes is located on the inner side of the filter shell and is communicated with two sections of the flushing pipe;

The filter screen is connected in the mounting hole through the connecting piece in a clamping mode, and the filter screen and the webpage replacement form a filter plate isolating the inner cavity of the filter shell.

Preferably, the filter assembly further comprises a communicating spacer ring, a closed partition is formed between the periphery of the communicating spacer ring and the inner wall of the filter shell, and a through hole for connecting the chambers at two sides in the filter shell is formed in the middle of the communicating spacer ring;

The filter plates are provided with two groups, and the two groups of filter plates are respectively positioned at two sides of the communicating separation ring and symmetrically arranged.

Preferably, both ends of the filter shell are fixed with sealing plates, and square holes for the replacement web page to slide through are formed in the sealing plates;

both ends of the web replacing page are fixed with limiting frames, and the two limiting frames are respectively positioned at the outer sides of the two sealing plates.

Preferably, a leakage-proof frame is fixed at the position, close to the square hole, of the inner side of the sealing plate, and is sleeved on the outer side of the webpage replacement and forms sealing at the joint of the webpage replacement and the sealing plate.

Preferably, the connecting piece comprises a sealing ring, the sealing ring is clamped in the mounting hole, and the inner side of the sealing ring is glued with the periphery of the filter screen.

Preferably, one end of the flushing pipe positioned in the filter shell is fixed with a sealing interface, and one side of the sealing interface, which is close to the communicating spacer ring, is provided with a groove;

Grooves are also formed in the left side and the right side of the communication spacer ring, the sealing ring is a circular rubber ring with two protruding sides, and the protrusions on the two sides of the sealing ring are respectively matched with the grooves of the sealing interface and the grooves of the communication spacer ring.

In summary, the utility model has the technical effects and advantages that:

1. According to the utility model, through the arrangement of the filter shell and the webpage replacement, when the filter screen is required to be replaced, a worker only needs to install a new filter screen in the installation hole of the webpage replacement, and then pushes the webpage replacement, so that the webpage replacement drives the filter screen to be replaced in the filter shell to slide out from the other end, the new filter screen can be installed in the filter shell, and the filter screen to be replaced is moved out of the filter shell, so that the filter screen to be replaced is taken down to complete the replacement operation of the filter screen, the filter screen is convenient and quick to replace, the replacement efficiency is improved, and the ultrafiltration backwashing operation is not required to be stopped when the filter screen is replaced, so that the purpose of continuous backwashing is achieved.

2. According to the utility model, the two groups of filter plates are arranged, so that the filtering effect on the backflushing liquid is improved, and meanwhile, one filter plate can be ensured to be in a working state all the time, so that the effectiveness of filtering the backflushing liquid in the process of replacing the filter screen is ensured.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a schematic view showing a half-cut structure of a filter housing in the present embodiment;

FIG. 3 is a schematic side sectional view of the filter housing in the present embodiment;

fig. 4 is a schematic cross-sectional view of the filter housing and the communicating spacer in this embodiment.

In the figure: 1. a backwash pump; 2. a water inlet pipe; 3. a flushing pipe; 4. a filter shell; 5. changing a webpage; 501. a mounting hole; 6. sealing the interface; 7. a filter screen; 8. a seal ring; 9. a limit frame; 10. a communicating spacer ring; 11. a sealing plate; 12. and (5) a leakage-proof frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to an ultrafiltration backwash apparatus shown in fig. 1 to 4, comprising a backwash pump 1, both ends of the backwash pump 1 are respectively fixed and communicated with a water inlet pipe 2 and a flushing pipe 3, a filter assembly is mounted on the flushing pipe 3, and the filter assembly comprises:

the filter shell 4 is fixedly arranged in the middle of the flushing pipe 3, and a channel is formed in the filter shell 4;

the webpage 5 is replaced, the webpage 5 transversely penetrates through the middle of the filter shell 4 and is in sliding connection with the filter shell 4, two symmetrically arranged mounting holes 501 are formed in the webpage 5, and when one end of the webpage 5 abuts against one side of the filter shell 4, one of the mounting holes 501 is located on the inner side of the filter shell 4 and is communicated with two sections of the flushing pipe 3;

The filter screen 7, filter screen 7 pass through the connecting piece joint in mounting hole 501, and the filter board of isolated filter shell 4 inner chamber is constituteed with trading web page 5 to filter screen 7.

When the filter screen 7 needs to be replaced, a worker only needs to install a new filter screen 7 in the installation hole 501 of the filter screen replacement 5, then pushes the filter screen replacement 5, so that the filter screen 7 to be replaced in the filter shell 4 is driven by the filter screen replacement 5 to slide out from the other end, the new filter screen 7 can be installed in the filter shell 4, and the filter screen 7 to be replaced is moved out of the filter shell 4, so that the filter screen 7 to be replaced is taken down to complete the replacement operation of the filter screen 7, the filter screen 7 is convenient and quick to replace, the replacement efficiency is improved, and the back flushing operation of ultrafiltration is not required to be stopped when the filter screen 7 is replaced, and the purpose of continuous back flushing is achieved.

Further, the filter assembly further comprises a communication spacer ring 10, a closed partition is formed between the periphery of the communication spacer ring 10 and the inner wall of the filter shell 4, and a through hole for connecting the chambers at two sides in the filter shell 4 is formed in the middle of the communication spacer ring 10;

The filter plates are provided with two groups, and the two groups of filter plates are respectively positioned at two sides of the communicating spacing ring 10 and are symmetrically arranged.

Through setting up two sets of filter to improve the filter effect to the backwash liquid, simultaneously, can guarantee all the time that there is a filter to be in operating condition, guaranteed the in-process of changing filter screen 7, to backwash liquid filterable validity.

Further, sealing plates 11 are fixed at both ends of the filter shell 4, and square holes for sliding penetration of the replacement web pages 5 are formed in the sealing plates 11;

both ends of the webpage 5 are fixed with limiting frames 9, and the two limiting frames 9 are respectively positioned at the outer sides of the two sealing plates 11.

Through the setting of two spacing frames 9, play spacing effect to trading webpage 5, simultaneously, guaranteed that filter screen 7 can cooperate filter shell 4 to form the washing route that does not have the deviation completely when changing, avoided changing filter screen 7 back because filter screen 7 position deviation brings adverse effect.

Further, the sealing plate 11 is fixed with the leak protection frame 12 in the inboard side near square hole department, and leak protection frame 12 cover is located and is traded the webpage 5 outside and is traded the junction of webpage 5 and sealing plate 11 and form sealedly, through the setting of leak protection frame 12, can guarantee when pushing and pulling trades webpage 5 and trade the sealing effectiveness between webpage 5 and the sealing plate 11, avoid trading the webpage 5 and remove the in-process, leak the flushing fluid in the filter shell 4.

Further, the connecting piece includes sealing washer 8, and sealing washer 8 joint is in mounting hole 501, and sealing washer 8 inboard glues with filter screen 7 week side.

Further, one end of the flushing pipe 3 positioned in the filter shell 4 is fixed with a sealing interface 6, and one side of the sealing interface 6 close to the communicating spacer ring 10 is provided with a groove;

Grooves are formed in the left side and the right side of the communication spacer ring 10, the sealing ring 8 is a circular rubber ring with protruding sides, good elastic performance is achieved, protrusions on the two sides of the sealing ring 8 are respectively matched with the grooves of the sealing interface 6 and the grooves of the communication spacer ring 10, and the filter screen 7 and the flushing pipe 3 form a sealing channel after replacement through the arrangement of the sealing ring 8, the sealing interface 6 and the communication spacer ring 10, so that the filtering effect of the filter screen 7 is guaranteed.

It should be noted that, the sealing ring 8 is compressed when passing through the square hole of the sealing plate 11, which does not affect the stable connection between the filter screen 7 and the web exchanging page 5.

The working principle of the utility model is as follows: in daily use, the staff is through switch backwash pump 1 for backwash pump 1 pumps the flushing fluid from inlet tube 2 and gets into wash pipe 3, and carry out back flush operation through wash pipe 3, and in this process again, filter shell 4 and closing plate 11, trade web page 5, filter screen 7 etc. form the filtration structure play the effect of filtering the flushing fluid, when needs change filter screen 7, the staff only need install new filter screen 7 in the mounting hole 501 of trade web page 5 through sealing washer 8 earlier, later promote trade web page 5, make trade web page 5 drive filter screen 7 to be changed in the filter shell 4 slide out from the other end, can install new filter screen 7 in filter shell 4, and shift out filter screen 7 to be changed in the filter shell 4, thereby take off the filter screen 7 to be changed and accomplish the change operation of filter screen 7, so that convenient and fast change filter screen 7 improves change efficiency, and when changing filter screen 7 need not to stop the back flush operation to the ultrafiltration, reach the purpose of continuous back flush.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an ultrafiltration backwash equipment, includes backwash pump (1), backwash pump (1) both ends are fixed respectively and are linked together have inlet tube (2) and wash pipe (3), its characterized in that, install filter element on wash pipe (3), filter element includes:

The filter shell (4) is fixedly arranged in the middle of the flushing pipe (3) and forms a channel inside;

the webpage replacing device comprises a webpage replacing device, a flushing pipe (3) and a flushing pipe, wherein the webpage replacing device (5) transversely penetrates through the middle of a filter shell (4) and is in sliding connection with the filter shell (4), two symmetrically arranged mounting holes (501) are formed in the webpage replacing device (5), and when one end of the webpage replacing device (5) is abutted against one side of the filter shell (4), one of the mounting holes (501) is located inside the filter shell (4) and is communicated with the two sections of the flushing pipe (3);

The filter screen (7), filter screen (7) pass through connecting piece joint in mounting hole (501), filter screen (7) and trade webpage (5) constitution isolated filter of the interior cavity of filter shell (4).

2. An ultrafiltration backwash apparatus according to claim 1 wherein: the filter assembly further comprises a communication spacer ring (10), a closed partition is formed between the periphery of the communication spacer ring (10) and the inner wall of the filter shell (4), and a through hole for connecting the cavities at two sides in the filter shell (4) is formed in the middle of the communication spacer ring (10);

the filter plates are provided with two groups, and the two groups of filter plates are respectively positioned at two sides of the communicating spacing ring (10) and are symmetrically arranged.

3. An ultrafiltration backwash apparatus according to claim 2, wherein: sealing plates (11) are fixed at two ends of the filter shell (4), and square holes through which the replacing web pages (5) slide are formed in the sealing plates (11);

Limiting frames (9) are fixed at two ends of the webpage (5), and the two limiting frames (9) are respectively located at the outer sides of the two sealing plates (11).

4. An ultrafiltration backwash apparatus according to claim 3, wherein: the sealing plate (11) is characterized in that a leakage-proof frame (12) is fixed at the position, close to the square hole, of the inner side of the sealing plate (11), and the leakage-proof frame (12) is sleeved on the outer side of the webpage (5) and forms sealing at the joint of the webpage (5) and the sealing plate (11).

5. An ultrafiltration backwash apparatus according to claim 2, wherein: the connecting piece comprises a sealing ring (8), the sealing ring (8) is clamped in the mounting hole (501), and the inner side of the sealing ring (8) is glued with the periphery of the filter screen (7).

6. An ultrafiltration backwash apparatus according to claim 5 wherein: one end of the flushing pipe (3) positioned in the filter shell (4) is fixedly provided with a sealing interface (6), and one side of the sealing interface (6) close to the communicating spacer ring (10) is provided with a groove;

Grooves are formed in the left side and the right side of the communication spacer ring (10), the sealing ring (8) is a circular rubber ring with protruding two sides, and the protrusions on the two sides of the sealing ring (8) are respectively matched with the grooves of the sealing interface (6) and the grooves of the communication spacer ring (10).