Backflushing type ceramic membrane filtering device

By designing a backwash ceramic membrane filtration device with a dual-layer filtration structure, efficient separation and purification of wastewater are achieved, solving the problem that existing devices cannot achieve dual filtration, and improving filtration efficiency and device lifespan.

CN223732515UActive Publication Date: 2025-12-30ZHANGJIAGANG HUAYUAN ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202423157405.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-30
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Most existing backwash ceramic membrane filtration devices adopt an integrated structure, which cannot achieve dual filtration, namely a two-layer structure of preliminary filtration and fine filtration, resulting in poor filtration efficiency and effect.

Method used

A backwash ceramic membrane filtration device was designed, comprising a main body, a collection tank, a collection pipe, a support layer, a ceramic membrane, a backwash liquid pipe, a plate-type ceramic filter plate, and a filter frame. The device performs preliminary filtration through a sewage pipe and a plate-type ceramic filter plate, followed by secondary fine filtration through the ceramic membrane. The device is then periodically backwashed through the backwash liquid pipe to remove impurities from the surface of the ceramic membrane.

Benefits of technology

It achieves efficient separation and purification of wastewater. It removes solid particles and colloids through preliminary filtration, removes fine impurities through secondary filtration, maintains filtration efficiency, and keeps the ceramic membrane clean through regular backwashing.

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Abstract

The utility model relates to the field of ceramic membrane filtration, in particular to a back-flushing type ceramic membrane filtration device which comprises an equipment main body, a liquid collection tank, a collection pipe, a supporting layer, a ceramic membrane, a back-flushing liquid pipe, a plate type ceramic filter plate and a filter frame, the liquid collection tank is installed on the lower side of the equipment main body, the collection pipe is installed at the bottom of the inner side of the equipment main body, and the supporting layer is installed on the side wall of the collection pipe. A ceramic membrane is installed on the side wall of the supporting layer, a back flushing liquid pipe is installed on the top of the inner side of the collecting pipe, a plate type ceramic filter plate is installed at the front end of the inner side of the equipment body, and a filter frame is installed on the rear side of the plate type ceramic filter plate. Water molecules and trace substances dissolved in water enter the membrane through pores, so that water is purified and separated, regular backwashing operation can be performed through the backwashing liquid pipe, impurities on the surface of the ceramic membrane can be effectively removed, and the filtering efficiency is kept.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic membrane filtration field, concretely relates to a backflushing type ceramic membrane filtration device. BACKGROUND

[0002] The backflushing type ceramic membrane filtration device is a gas, liquid and solid separation and purification device integrating filtration, backwashing regeneration and slag discharge, and its core component is a ceramic membrane filtration element; the device can realize automatic backwashing of the ceramic membrane assembly through valve conversion, does not need to increase a backwashing pump or provide other water sources, has better water quality, and the ceramic membrane element has a longer service life; however, the existing backflushing type ceramic membrane filtration device mostly adopts an integrated structure design and cannot realize double filtration, that is, double-layer structures of preliminary filtration and fine filtration. SUMMARY

[0003] To solve the above technical problems, the utility model provides a backflushing type ceramic membrane filtration device, which comprises an equipment main body, a liquid collecting tank, a collecting pipe, a support layer, a ceramic membrane, a backflushing liquid pipe, a plate type ceramic filter plate and a filter frame.

[0004] Preferably, the front side of the equipment main body is provided with a top cover, the side wall of the top cover is provided with a sewage pipe opening at the middle position, the lower end of the sewage pipe opening is provided with a backflushing water pipe opening, the lower side of the equipment main body is provided with the liquid collecting tank, and the rear side of the liquid collecting tank is provided with a water production pipe opening.

[0005] Preferably, the bottom of the inner side of the equipment main body is provided with the collecting pipe, the upper side of the collecting pipe is provided with two collecting openings, the top of the collecting pipe is provided with a fixing groove, the backflushing liquid pipe is arranged in the fixing groove, the lower side of the backflushing liquid pipe is provided with a plurality of liquid outlets, the side wall of the collecting pipe is provided with the support layer, the side wall of the support layer is provided with the ceramic membrane, and the ceramic membrane is provided with a plurality of dialysis holes.

[0006] Preferably, the front end of the inner side of the equipment main body is provided with the plate type ceramic filter plate, the plate type ceramic filter plate and the filter frame are fixedly installed through bolts, the rear side of the filter frame is connected to a sewage collecting tank, and the rear side of the sewage collecting tank is provided with a permeation plate.

[0007] The utility model has the following technical effects and advantages:

[0008] 1. Sewage enters through the sewage pipe opening, is preliminarily filtered by the plate type ceramic filter plate to separate and remove solid particles, colloids, microorganisms and the like in the sewage, and is stored in the sewage collecting tank, and the water preliminarily filtered flows into the tank through the permeation plate.

[0009] 2, the water filtered by the primary filter is filtered again by the ceramic membrane, and the fine impurities are intercepted on the membrane surface, while the water molecules and trace substances dissolved in the water pass through the pores into the membrane interior, so that the water is purified and separated, and the backwashing operation can be performed periodically through the backflush pipe to effectively remove the impurities on the surface of the ceramic membrane and maintain the filtering efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a structural schematic diagram of a backflush ceramic membrane filtering device provided by the embodiment of the present application;

[0011] Figure 2 is a sectional structural schematic diagram of a backflush ceramic membrane filtering device provided by the embodiment of the present application;

[0012] Figure 3 is a structural schematic diagram of a part of a backflush ceramic membrane filtering device provided by the embodiment of the present application;

[0013] Figure 4 is an exploded structural schematic diagram of a part of a backflush ceramic membrane filtering device provided by the embodiment of the present application Figure 1 ;

[0014] Figure 5 is an exploded structural schematic diagram of a part of a backflush ceramic membrane filtering device provided by the embodiment of the present application Figure 2 .

[0015] In the figure: 1, device main body; 2, liquid collecting tank; 3, collecting pipe; 4, support layer; 5, ceramic membrane; 6, backflush pipe; 7, plate type ceramic filter plate; 8, filter frame; 9, bolt; 101, top cover; 102, sewage pipe opening; 103, backflush water pipe opening; 201, water production pipe opening; 301, collecting opening; 302, fixing groove; 501, dialysis hole; 601, liquid outlet hole; 801, sewage collecting box; 802, permeation plate. DETAILED DESCRIPTION

[0016] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0017] EMBODIMENT

[0018] Please refer to Figures 1-5In this embodiment, a backflushing ceramic membrane filtering device is provided, comprising a device body 1, a liquid collecting tank 2, a collecting pipe 3, a support layer 4, a ceramic membrane 5, a backflushing liquid pipe 6, a plate ceramic filter plate 7 and a filter frame 8, the device body 1 is provided with the liquid collecting tank 2 at the lower side, the collecting pipe 3 is installed at the inner bottom of the device body 1, the support layer 4 is installed at the side wall of the collecting pipe 3, the ceramic membrane 5 is installed at the side wall of the support layer 4, the backflushing liquid pipe 6 is installed at the inner top of the collecting pipe 3, the plate ceramic filter plate 7 is installed at the inner front end of the device body 1, and the filter frame 8 is installed at the rear side of the plate ceramic filter plate 7.

[0019] Specifically, the device body 1 is provided with a top cover 101 at the front side, the top cover 101 is provided with a sewage pipe opening 102 at the side wall and in the middle position, the sewage pipe opening 102 is provided with a backflushing water pipe opening 103 at the lower end, the device body 1 is provided with the liquid collecting tank 2 at the lower side, the liquid collecting tank 2 is provided with a water production pipe opening 201 at the rear side, the collecting pipe 3 is installed at the inner bottom of the device body 1, the collecting pipe 3 is provided with two collecting openings 301 at the upper side, the collecting pipe 3 is provided with a fixing groove 302 at the inner top, the backflushing liquid pipe 6 is installed in the fixing groove 302, the backflushing liquid pipe 6 is provided with a plurality of liquid outlets 601 at the lower side, the support layer 4 is installed at the side wall of the collecting pipe 3, the ceramic membrane 5 is installed at the side wall of the support layer 4, the ceramic membrane 5 is provided with a plurality of dialysis holes 501, the plate ceramic filter plate 7 is installed at the inner front end of the device body 1, the plate ceramic filter plate 7 and the filter frame 8 are fixedly installed through bolts 9, a sewage collecting tank 801 is connected and installed at the rear side of the filter frame 8, and a permeation plate 802 is installed at the rear side of the sewage collecting tank 801.

[0020] The working principle of the utility model is:

[0021] In use, sewage enters through the sewage pipe opening 102, is preliminarily filtered by the plate ceramic filter plate 7 to separate and remove solid particles, colloids, microorganisms and the like in the sewage, and is stored in the sewage collecting tank 801, the preliminarily filtered water flows into the tank through the permeation plate 802, when the preliminarily filtered water passes through the ceramic membrane 5, fine impurities are intercepted on the membrane surface, while water molecules and trace substances dissolved in the water pass through the pores into the membrane interior, so that the water is purified and separated, periodic backwashing operation can be carried out through the backflushing liquid pipe 6, the impurities on the surface of the ceramic membrane 5 can be effectively removed, and the filtering efficiency is maintained.

[0022] Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art and related fields without creative labor should belong to the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art, without special description and limitation.

Claims

1. A backflushing ceramic membrane filtration device, characterized by, The utility model provides a sewage treatment equipment, including equipment body (1), collecting tank (2), collection pipe (3), support layer (4), ceramic membrane (5), backflushing liquid pipe (6), plate ceramic filter plate (7) and filter frame (8), equipment body (1) lower side installs collecting tank (2), equipment body (1) inner side bottom installs collection pipe (3), and collection pipe (3) side wall installs support layer (4), and support layer (4) side wall installs ceramic membrane (5), and collection pipe (3) inner side top installs backflushing liquid pipe (6), and equipment body (1) inner side front end installs plate ceramic filter plate (7), and plate ceramic filter plate (7) rear side installs filter frame (8).

2. The backflushing ceramic membrane filtration device according to claim 1, wherein, The equipment body (1) front side installs the top cover (101), and the top cover (101) side wall middle position installs the sewage pipe mouth (102), and the sewage pipe mouth (102) lower end installs the backflushing water pipe mouth (103).

3. A backflushing ceramic membrane filtration device according to claim 2, wherein, The equipment body (1) lower side installs collecting tank (2), and collecting tank (2) rear side installs water production pipe mouth (201).

4. The backflushing ceramic membrane filtration device according to claim 3, wherein The equipment body (1) inner side bottom installs collection pipe (3), and collection pipe (3) upper side is equipped with two collection mouths (301), and collection pipe (3) top is equipped with fixed groove (302) in.

5. A backflushing ceramic membrane filtration device according to claim 4, wherein, The fixed groove (302) installs backflushing liquid pipe (6), and backflushing liquid pipe (6) lower side is equipped with multiple liquid outlets (601).

6. The backflushing ceramic membrane filtration device according to claim 1, wherein The collection pipe (3) side wall installs support layer (4), and ceramic membrane (5) is equipped with multiple dialysis holes (501) in.

7. The backflushing ceramic membrane filtration device according to claim 4, wherein The equipment body (1) inner side front end installs plate ceramic filter plate (7), and plate ceramic filter plate (7) and filter frame (8) are fixedly installed through bolt (9).

8. A backflushing ceramic membrane filtration device according to claim 7, wherein, The filter frame (8) rear side is connected and installs the sewage collection tank (801), and the sewage collection tank (801) rear side installs the permeation plate (802).