Ceramic cylinder ultrafiltration device

Abstract

The utility model discloses a ceramic cylinder ultrafiltration device which comprises a fixing support and a plurality of cylinder ultrafilters installed on the fixing support, and each cylinder ultrafilter comprises a circular tube shell and two ceramic filter elements installed in the circular tube shell. A middle sealing ring movably sleeved outside the ceramic filter element is fixedly mounted on the inner wall of the middle part of the circular tube shell; a filter element sealing ring is fixedly mounted on the filter element shell outside the ceramic filter element in a sleeving manner, the filter element sealing ring is mounted between the circular tube shell and the filter element shell, and the filter element sealing ring, deviating from the end part of the circular tube shell, of the ceramic filter element is in contact with the middle sealing ring. The middle sealing ring is arranged on the inner wall of the round tube shell, the filter element sealing ring is arranged on the outer wall of the filter element shell, the round tube shell and the ceramic filter element are sealed, and due to the fact that the middle sealing ring and the filter element sealing ring can be installed in an interference fit mode, a receding effect is achieved, installation is convenient, and sealing performance is improved. And convenience is brought to use and maintenance.

Description

Technical Field

[0001] This utility model relates to the field of ultrafiltration technology, specifically to a ceramic cylindrical ultrafiltration device. Background Technology

[0002] The core component of a ceramic cylindrical ultrafiltration device is the ceramic ultrafilter, and the core component of the ceramic ultrafilter is the ceramic filter element. Filtration is achieved through an internal ceramic ultrafiltration membrane. After years of development and promotion, ceramic cylindrical ultrafiltration devices have been applied in various purification fields.

[0003] During use, ceramic cylindrical ultrafiltration devices require regular cleaning, maintenance, and replacement of the ceramic filter element. Existing ceramic filter elements are directly installed inside the cylindrical shell of the ceramic ultrafiltration unit. However, due to variations in the dimensions of the cylindrical shell and ceramic filter element produced in different batches, installation often results in their dimensions being too close, making installation difficult, time-consuming, and labor-intensive. Forced installation can easily damage the filter element shell, causing the internal raw liquid and filtrate to mix, thus reducing filtration efficiency. To facilitate maintenance and improve practicality, our company has designed and proposed a structurally optimized ceramic cylindrical ultrafiltration device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a ceramic cylindrical ultrafiltration device to solve the problem of inconvenient installation and maintenance when the cylindrical outer shell and ceramic filter element of the ceramic cylindrical ultrafiltration device are too close in size.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A ceramic cylindrical ultrafiltration device includes a fixed support and a plurality of cylindrical ultrafilters mounted on the fixed support. Each cylindrical ultrafilter includes a cylindrical shell and two ceramic filter elements mounted inside the cylindrical shell. An intermediate sealing ring, which is movably sleeved on the outer wall of the cylindrical shell, is fixedly installed in the middle of the inner wall of the cylindrical shell.

[0007] A filter element sealing ring is fixedly fitted onto the outer shell of the ceramic filter element. The filter element sealing ring is installed between the outer shell of the round tube and the outer shell of the filter element, and the filter element sealing ring at the end of the ceramic filter element away from the outer shell of the round tube is in contact with the middle sealing ring.

[0008] The inner walls of both ends of the central tube in the ceramic ultrafiltration membrane of the filter element housing are provided with threaded grooves for installing connecting pipes. The two ceramic filter elements are in contact and connected to each other by connecting pipes.

[0009] Preferably, the inner wall of the cylindrical outer shell is provided with an intermediate annular groove for installing an intermediate sealing ring, and the intermediate sealing ring is bonded and fixed in the intermediate annular groove.

[0010] Preferably, the outer wall of the filter element housing is provided with a plurality of sealing ring mounting grooves at equal intervals along the axial direction, and the filter element sealing rings are bonded and fixed in the sealing ring mounting grooves.

[0011] Preferably, the sidewalls of both the intermediate sealing ring and the filter element sealing ring are provided with a 45° angled slope structure.

[0012] Preferably, the inner wall of the intermediate sealing ring and the outer wall of the filter element sealing ring are respectively provided with annular protrusions that contact the surface of the filter element shell and the inner wall of the round tube shell.

[0013] Preferably, both the intermediate sealing ring and the filter element sealing ring are installed with an interference fit.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] This invention achieves sealing between the cylindrical tube shell and the ceramic filter element by setting an intermediate sealing ring on the inner wall of the cylindrical tube shell and a filter element sealing ring on the outer wall of the filter element shell. Since both the intermediate sealing ring and the filter element sealing ring can be installed with an interference fit, they have a clearance effect, which facilitates installation and improves sealing performance, bringing convenience to use and maintenance. This solves the problem of inconvenient installation and maintenance when the cylindrical tube shell and the ceramic filter element of the ceramic cylindrical ultrafiltration device are too close in size. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the cylindrical ultrafilter of this utility model;

[0018] Figure 3 This is a cross-sectional view of the cylindrical outer shell and the intermediate sealing ring of this utility model;

[0019] Figure 4 This is a cross-sectional view of the cylindrical outer shell of this utility model;

[0020] Figure 5 This is a cross-sectional view of the intermediate sealing ring of this utility model;

[0021] Figure 6 This is a front sectional view of the ceramic filter element and filter element sealing ring of this utility model;

[0022] Figure 7 This is a cross-sectional view of the ceramic filter element of this utility model;

[0023] Figure 8 This is a cross-sectional view of the filter element sealing ring of this utility model.

[0024] In the picture:

[0025] 1. Fixed bracket;

[0026] 2. Cylindrical ultrafiltration unit;

[0027] 201. Circular tube outer shell; 2011. Intermediate sealing ring; 2012. Intermediate annular groove;

[0028] 202. Ceramic filter element; 2021. Filter element housing; 2022. Filter element sealing ring; 2023. Ceramic ultrafiltration membrane; 2024. Central tube; 2025. Threaded groove; 2026. Sealing ring mounting groove;

[0029] 203. Connecting pipe;

[0030] 3. 45° slope structure;

[0031] 4. Annular convex ridge. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] like Figure 1-8 As shown, this utility model provides a technical solution: a ceramic cylindrical ultrafiltration device, including a fixed support 1 and a plurality of cylindrical ultrafilters 2 installed on the fixed support 1. The cylindrical ultrafilter 2 includes a cylindrical shell 201 and two ceramic filter elements 202 installed inside the cylindrical shell 201. An intermediate sealing ring 2011 is fixedly installed on the inner wall of the middle part of the cylindrical shell 201 and is movably sleeved on the outside of the ceramic filter elements 202. An intermediate annular groove 2012 for installing the intermediate sealing ring 2011 is provided on the inner wall of the cylindrical shell 201. The intermediate sealing ring 2011 is bonded and fixed in the intermediate annular groove 2012.

[0034] A filter element sealing ring 2022 is fixedly sleeved on the filter element housing 2021 outside the ceramic filter element 202. The filter element sealing ring 2022 is installed between the round tube housing 201 and the filter element housing 2021. Multiple sealing ring mounting grooves 2026 are equidistantly arranged along the axial direction on the outer wall of the filter element housing 2021. The filter element sealing ring 2022 is bonded and fixed in the sealing ring mounting grooves 2026, and the filter element sealing ring 2022 at the end of the ceramic filter element 202 away from the round tube housing 201 is in contact with the middle sealing ring 2011.

[0035] Both the intermediate sealing ring 2011 and the filter element sealing ring 2022 have a 45° angled slope structure 3 on their sidewalls. The inner wall of the intermediate sealing ring 2011 and the outer wall of the filter element sealing ring 2022 are respectively provided with annular protrusions 4 that contact the surface of the filter element housing 2021 and the inner wall of the round tube housing 201. Both the intermediate sealing ring 2011 and the filter element sealing ring 2022 are installed with an interference fit.

[0036] The inner walls of both ends of the central tube 2024 in the center of the ceramic ultrafiltration membrane 2023 in the filter element housing 2021 are provided with threaded grooves 2025 for installing connecting tubes 203. The two ceramic filter elements 202 are in contact and connected to each other through the connecting tubes 203.

[0037] An intermediate sealing ring 2011 is provided on the inner wall of the cylindrical outer shell 201, and a filter element sealing ring 2022 is provided on the outer wall of the filter element outer shell 2021 to seal between the cylindrical outer shell 201 and the ceramic filter element 202. Since both the intermediate sealing ring 2011 and the filter element sealing ring 2022 can be installed with an interference fit, they have a clearance effect, which facilitates installation and improves sealing performance, bringing convenience to use and maintenance.

[0038] It should be noted that, in this document, terms such as “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ceramic cylindrical ultrafiltration device, comprising a fixed support (1) and a plurality of cylindrical ultrafilters (2) mounted on the fixed support (1), characterized in that: The cylindrical ultrafilter (2) comprises a cylindrical shell (201) and two ceramic filter cartridges (202) installed in the cylindrical shell (201), and an intermediate sealing ring (2011) movably sleeved outside the ceramic filter cartridges (202) is fixedly installed on the inner wall of the middle part of the cylindrical shell (201); A filter cartridge sealing ring (2022) is fixedly sleeved and installed on the filter cartridge shell (2021) outside the ceramic filter cartridges (202), the filter cartridge sealing ring (2022) is installed between the cylindrical shell (201) and the filter cartridge shell (2021), and the filter cartridge sealing ring (2022) at the end of the ceramic filter cartridges (202) away from the cylindrical shell (201) is in contact with the intermediate sealing ring (2011); Threaded grooves (2025) for installing connecting pipes (203) are arranged on the inner walls of both ends of the central pipe (2024) of the ceramic ultrafiltration membrane (2023) in the filter cartridge shell (2021), the two ceramic filter cartridges (202) are in contact and connected through the connecting pipes (203).

2. The ceramic cylindrical ultrafiltration device according to claim 1, characterized in that: An intermediate annular groove (2012) for installing the intermediate sealing ring (2011) is arranged on the inner wall of the cylindrical shell (201), and the intermediate sealing ring (2011) is adhesively fixed in the intermediate annular groove (2012).

3. The ceramic cylindrical ultrafiltration device according to claim 1, wherein: A plurality of sealing ring installation grooves (2026) are equidistantly arranged on the outer wall of the filter cartridge shell (2021) in the axial direction, and the filter cartridge sealing ring (2022) is adhesively fixed in the sealing ring installation groove (2026).

4. The ceramic cylindrical ultrafiltration device according to claim 1, wherein: The side walls of the intermediate sealing ring (2011) and the filter cartridge sealing ring (2022) are both provided with 45° angle slope surface structures (3).

5. The ceramic cylindrical ultrafiltration device according to claim 1, wherein: The inner wall of the intermediate sealing ring (2011) and the outer wall of the filter cartridge sealing ring (2022) are respectively provided with annular convex ribs (4) in contact with the surface of the filter cartridge shell (2021) and the inner wall of the cylindrical shell (201).

6. The ceramic cylindrical ultrafiltration device according to claim 1, wherein: The intermediate sealing ring (2011) and the filter cartridge sealing ring (2022) are both installed in interference fit.

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