CN210710869U

CN210710869U - Flat ceramic membrane, filtering device and filtering system

Info

Publication number: CN210710869U
Application number: CN201920857011.XU
Authority: CN
Inventors: 张云飞; 刘见玉; 张达; 周杨; 沈红梅
Original assignee: Hangzhou Jianmo Technology Co ltd
Current assignee: Zhejiang Jianmo Technology Co.,Ltd.
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-06-09
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a dull and stereotyped ceramic membrane, filter equipment and filtration system. The flat ceramic membrane includes: the ceramic membrane shell is provided with a closed diversion space and at least one water outlet hole penetrating through the ceramic membrane shell. The separation muscle interval set up in the water conservancy diversion space will the water conservancy diversion space is separated and is formed the water conservancy diversion passageway that sets up side by side, each the water conservancy diversion passageway with at least one the apopore intercommunication, the apopore can be established to the round hole or communicates the slot hole of two and above water conservancy diversion passageways. The ceramic membrane shell is made of the same material and has good integral stability. The liquid after the flat ceramic membrane filters is outwards discharged through the water outlet hole, and the liquid is conveniently led out. The flat ceramic membranes and the sealing assemblies are alternately stacked to form prefabricated modules, the locking assemblies are clamped outside the prefabricated modules to form filtering devices, and liquid filtered by the prefabricated modules is uniformly output through the locking assemblies, so that the installation is convenient.

Description

Flat ceramic membrane, filtering device and filtering system

Technical Field

The utility model belongs to the technical field of the sewage treatment technique and specifically relates to a dull and stereotyped ceramic membrane, filter equipment and filtration system are related to.

Background

The ceramic membrane is one of inorganic membranes, belongs to a solid membrane material in a membrane separation technology, and is mainly prepared by taking inorganic ceramic materials of alumina, zirconia, titania, silica and the like with different specifications as a support body, coating the surface of the support body and firing the support body at a high temperature. Micropores are densely distributed on the surface of the flat ceramic membrane, and the permeability is different according to different diameters of molecules of permeated substances within a certain membrane aperture range, and the pressure difference between two sides of the membrane is used as a driving force, and the membrane is used as a filtering medium. Under the action of certain pressure, when the feed liquid flows through the surface of the membrane, only water, inorganic salt and small molecular substances are allowed to permeate through the membrane, and macromolecular substances such as suspended matters, glue, microorganisms and the like in the water are prevented from passing through the membrane.

The existing flat ceramic membrane is designed into a long strip-shaped plate-shaped structure, a flow guide channel is formed in the existing flat ceramic membrane, and the flow guide channel extends along the length direction of the flat ceramic membrane. The openings at the two ends of the flat ceramic membrane are spliced by plastic end sockets, and the joint part of the two is connected by resin adhesive.

However, after the flat ceramic membrane is packaged by the plastic end socket and the resin adhesive, due to the characteristics of the plastic end socket and the resin adhesive, a filtering system formed by the flat ceramic membrane is not acid-base resistant, temperature resistant and oxidation resistant, and is not particularly suitable for a filtering system of an organic solvent.

In addition, after the flat ceramic membrane is packaged by the plastic end socket and the resin adhesive, the plastic and the ceramic material have large property difference and inconsistent expansion coefficient, the sealing reliability is reduced along with seasonal change of the environmental temperature, and tiny gaps are easily generated to further cause leakage of sewage, so that the filtering effect of the flat membrane is influenced.

In addition, volatilization of solvent gas is easily generated in practical processes such as resin glue and the like, and environmental pollution is large. Each flat ceramic membrane needs to be provided with an independent joint structure, so that the assembly of the filtering system is complex, the cost is high, the maintenance difficulty is high, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art existence, the utility model aims at providing a dull and stereotyped ceramic membrane, filter equipment and filtration system.

In order to achieve the above object, the first aspect of the technical solution adopted in the present invention is: a planar ceramic membrane, comprising: ceramic membrane casing with intersect extremely at least one of ceramic membrane casing separates the muscle, the ceramic membrane casing is equipped with confined water conservancy diversion space and runs through at least one apopore of ceramic membrane casing, separate the muscle interval set up in the water conservancy diversion space will the water conservancy diversion space is separated and is formed the water conservancy diversion passageway that sets up side by side, each water conservancy diversion passageway and at least one the apopore intercommunication, the apopore can be established to the round hole or communicates the slot hole of two and above water conservancy diversion passageways.

Optionally, the ceramic membrane shell has a plate-shaped structure, and includes two opposite flat walls and an annular wall connecting the two flat walls, the area surrounded by the flat walls and the annular wall forms the flow guide space, the partition ribs intersect with the two flat walls, at least part of the partition ribs intersect with the annular wall, and the at least one water outlet hole penetrates through the two flat walls.

Optionally, the annular wall includes two first sidewalls disposed opposite to each other and two second sidewalls intersecting with each other to the first sidewalls, the partition rib is parallel to the first sidewalls, the second sidewalls are closed at the openings formed by the flat panel wall and the first sidewalls, and at least a portion of the partition rib intersects with the second sidewalls.

Optionally, each of the partition ribs is provided with at least one diversion notch for communicating two adjacent diversion channels.

The utility model discloses the second aspect of the technical scheme who adopts is: the utility model provides a filter equipment, includes seal assembly, locking Assembly and as above dull and stereotyped ceramic membrane, dull and stereotyped ceramic membrane is equipped with two and more, seal assembly be equipped with the corresponding flow hole of at least one apopore, seal assembly will adjacent two dull and stereotyped ceramic membrane separates and the contact site of both seals the laminating in order to form prefabricated module, locking Assembly centre gripping is in outside at least one prefabricated module, locking Assembly is equipped with out the water passageway, it is linked together with flow hole or apopore of prefabricated module surface department to go out the water passageway.

Optionally, the sealing assembly includes a partition plate and sealing rings assembled on two side surfaces of the partition plate, the flow holes penetrate through the partition plate and are located in the surrounding area of the sealing rings, the partition plate separates two adjacent flat ceramic membranes, and the sealing rings elastically deform under the action of extrusion force of the flat ceramic membranes.

Optionally, the locking assembly includes a connecting rod member and at least one conduit member, the connecting rod member is clamped outside the prefabricated module and detachably connected to the conduit member, the water outlet channel is disposed on the conduit member, and the conduit member is in sealing fit with the surface of the prefabricated module.

Optionally, the duct member includes a body portion and a fixing portion disposed on the body portion, the water outlet channel includes a diversion hole penetrating through the body portion, and a guide hole opened on a side wall of the body portion and communicated to the diversion hole, the body portion is attached to a surface of the prefabricated module, the guide hole is communicated with the flow hole or the water outlet hole, and the connecting rod member is fixed to the fixing portion.

Optionally, the pipe guide is provided with two surfaces which are respectively attached to the two opposite surfaces of the prefabricated module.

The utility model discloses the third aspect of the technical scheme who adopts is: a filtering system comprises a pipeline system and the filtering devices, wherein the water outlet channel of each filtering device is correspondingly communicated to the pipeline system.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is:

the ceramic membrane shell is made of the same material and has good integral stability. The liquid after the flat ceramic membrane filters is outwards discharged through the water outlet hole, and the liquid is conveniently led out. Dull and stereotyped ceramic membrane superposes in turn with sealing assembly and forms prefabricated module, and the locking subassembly centre gripping is in order to form filter equipment outside prefabricated module to liquid after will prefabricating the module filtration is unified to be exported through the locking subassembly, simple to operate, the leakproofness is good.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic sectional view in a planar direction of a flat ceramic membrane according to the present invention;

FIG. 2 is a schematic diagram of the cross-sectional structure of the flat ceramic membrane according to the present invention;

fig. 3 is a schematic diagram of the transverse cross-sectional structure of the flat ceramic membrane at the water outlet of the present invention.

Fig. 4 is a schematic perspective view of the filtering apparatus of the present invention.

Fig. 5 is an exploded view of the filter device of the present invention.

Fig. 6 is a schematic cross-sectional view of the filter device of the present invention at the locking assembly.

Fig. 7 is a schematic structural view of the sealing assembly of the present invention.

Fig. 8 is a schematic cross-sectional structure of the seal assembly of the present invention.

Fig. 9 is a schematic perspective view of the filtering apparatus with multiple locking assemblies according to the present invention.

In the figure: a flat ceramic membrane 10; a ceramic membrane housing 11; an annular wall 111; a first side wall 1111; a second side wall 1112; a flat wall 112; a partition rib 12; a water outlet hole 13; a flow guide passage 14; a diversion gap 15; a seal assembly 20; a flow hole 21; a partition plate 22; a seal ring 23; a locking assembly 30; a conduit member 31; a flow guide hole 311; a guide hole 312; a body portion 313; a fixed portion 314; a link member 32.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

Examples, see fig. 1 and 2: the flat ceramic membrane 10 includes a ceramic membrane housing 11 and at least one partition rib 12 intersecting with the ceramic membrane housing 11, and the ceramic membrane housing 11 is provided with a closed flow guide space and at least one water outlet hole 13 penetrating through the ceramic membrane housing 11. The partition ribs 12 are arranged in the flow guide space at intervals and partition the flow guide space to form flow guide channels 14 arranged in parallel, each flow guide channel 14 is communicated with at least one water outlet hole 13, and the water outlet holes 13 can be round holes or long holes communicated with two or more flow guide channels 14.

The ceramic membrane shell 11 forms a hollow thin-walled structural member, and the partition ribs 12 intersect with the wall surface of the flow guide space and provide a supporting force for the ceramic membrane shell 11 to stabilize the structural shape and size of the flat ceramic membrane 10. Alternatively, the ceramic membrane housing 11 and the separation ribs 12 are integrally formed and processed by a ceramic sintering process, and accordingly, the ceramic membrane housing 11 and the separation ribs 12 are made of the same or similar materials. Optionally, the separation ribs 12 are distributed in parallel in the diversion space, and correspondingly, the diversion channels 14 formed by separation of the separation ribs 12 are parallel to each other. Alternatively, the spacing of the separation ribs 12 is the same, and accordingly, the cross-sectional width dimension of the flow guide channel 14 is the same.

The ceramic membrane shell 11 has one or more water outlet holes 13 on its surface, and each water outlet hole 13 can be connected to one or more flow guide channels 14. For example, one outlet hole 13 cuts off three flow guide channels 14 so that the three flow guide channels 14 are directly communicated to the corresponding outlet holes 13. Even if the diversion channel 14 is not directly communicated with the water outlet hole 13, the diversion channel 14 can be indirectly communicated with the water outlet hole 13 by arranging holes or gaps on the separation ribs 12.

The ceramic membrane shell 11 is made of the same material and has good overall stability. The liquid filtered by the flat ceramic membrane 10 is discharged outwards through the water outlet hole 13, and the liquid is conveniently led out.

In one embodiment, the ceramic membrane housing 11 has a plate-like structure, and includes two opposite flat walls 112 and an annular wall 111 connecting the two flat walls 112, and a flow guiding space is formed between the flat walls 112 and the annular wall 111. The partition ribs 12 intersect with the two flat walls 112, at least a part of the partition ribs 12 intersect with the annular wall 111, and at least one water outlet hole 13 penetrates through the two flat walls 112.

The ceramic membrane shell 11 is a flat structure, and for example, the ceramic membrane shell 11 is a thin-walled structural member such as a rectangle, a square, a circle, etc. Alternatively, the partition ribs 12 extend in a direction parallel to the center line of the ceramic membrane housing 11, wherein two sides of the partition ribs 12 intersect with the two flat plate walls 112, and the two ends extend in the direction of the annular wall 111. When the ends of the partition ribs 12 intersect with the annular wall 111, two adjacent guide channels 14 are disposed at intervals. When the end of the partition rib 12 is spaced from the annular wall 111 by a predetermined distance, a gap is formed between the end and the annular wall, and two adjacent flow guide channels 14 are communicated.

In an alternative embodiment, the ceramic membrane housing 11 has an elongated plate-like structure, the partition ribs 12 are parallel to the longitudinal extension direction of the ceramic membrane housing 11, and the water outlet holes 13 penetrate through the ceramic membrane housing 11 and are perpendicular to the extension direction of the flow guide channels 14. One end of the partition rib 12 is intersected to the annular wall 111, and the other end is spaced from the annular wall 111; alternatively, both ends are spaced a predetermined distance from the annular wall 111.

In one embodiment, the annular wall 111 includes two first sidewalls 1111 disposed oppositely and two second sidewalls 1112 intersecting the first sidewalls 1111, and the partition rib 12 is parallel to the first sidewalls 1111. The second side wall 1112 is closed at the opening formed by the flat plate wall 112 and the first side wall 1111, and at least a part of the partition rib 12 intersects with the second side wall 1112.

The ceramic membrane housing 11 has a plate-like structure similar to a rectangular parallelepiped, and the first side wall 1111 and the second side wall 1112 form a rectangular edge surrounding the flat plate wall 112. The first side wall 1111 is located in the length direction of the ceramic membrane housing 11, and the partition ribs 12 are parallel to the first side wall 1111 so that the flow guide channels 14 extend along the length direction of the ceramic membrane housing 11. Alternatively, the plate wall 112, the first side wall 1111 and the partition rib 12 are formed by an extrusion molding process. The end of the partial partitioning rib 12 is first broken and the first side wall 1111 and the flat plate wall 112 form a rectangular opening, and then the second side wall 1112 is closed at the rectangular opening. Accordingly, the partition ribs 12 intersect or are spaced from the second side wall 1112 to adapt to the corresponding flow guide path, and the processing is convenient. After the ceramic membrane shell 11 is integrally formed into a closed structure, the ceramic membrane shell is processed into the flat ceramic membrane 10 by sintering and other processes, and the processing efficiency is high.

As shown in fig. 1 and 3, in an embodiment, each of the separating ribs 12 is provided with at least one flow guiding notch 15 connecting two adjacent flow guiding channels 14. The diversion gap 15 can be arranged at the end of the partition rib 12, or can be arranged at the end of the same partition rib 12 to form the diversion gap 15 in the middle area. The flow guide gap 15 is communicated with the two adjacent flow guide channels 14, so that the liquid flows smoothly and the circulation effect is good.

In an alternative embodiment, the planar ceramic membrane 10 is provided with 9 separation ribs 12 and divides the flow guiding space of the ceramic membrane housing 11 into 10 flow guiding channels 14. 2 water outlets 13 are formed in the flat ceramic membrane 10 and distributed at intervals, and each water outlet 13 penetrates through 3 flow guide channels 14, so that the three flow guide channels 14 are directly communicated to the corresponding water outlet 13. Two ends of the middle and outermost two separating ribs 12 are not intersected to the second side wall 1112 to form two diversion gaps 15, the other separating ribs 12 are intersected to the second side wall 1112 on the same side, and the other ends of the separating ribs 12 and the second side wall 1112 on the other side are arranged at intervals to form continuous diversion gaps 15. All the flow guide channels 14 can be directly or indirectly communicated with at least one water outlet hole 13, and the liquid flowability is good.

As shown in fig. 4 to 6, the flat ceramic membrane 10 disclosed in the above embodiment is applied to a filtration apparatus. In one embodiment, the filtration apparatus comprises a sealing assembly 20, a locking assembly 30, and a flat ceramic membrane 10 as disclosed in the above embodiments, the flat ceramic membrane 10 having two or more sheets. The sealing member 20 is provided with a flow hole 21 corresponding to the at least one water outlet hole 13, and the sealing member 20 spaces the adjacent two flat ceramic membranes 10 apart and the contact portions of the two are sealingly engaged to form a prefabricated module. The locking assembly 30 is clamped outside at least one prefabricated module, and the locking assembly 30 is provided with a water outlet channel which is communicated with the flow holes 21 or the water outlet holes 13 on the surfaces of the prefabricated modules.

A plurality of flat ceramic membranes 10 are stacked and two adjacent flat ceramic membranes 10 are spaced apart by a sealing module 20 to form a prefabricated module structure in which the flat ceramic membranes 10 and the sealing module 20 are alternately connected. For example, the prefabricated modules comprise 10 flat ceramic membranes 10 and 11 sealing assemblies 20, wherein the sealing assemblies 20 prefabricate the outermost layers of the modules and are in sealing, abutting connection with the locking assemblies 30. Optionally, one or more locking assemblies 30 may be provided per pre-fabricated module to improve the flow efficiency of the liquid. Or when the length of the prefabricated module is longer, two or more locking assemblies 30 can be arranged to be locked together.

The sealing assembly 20 is provided with a flow hole 21, and the flow hole 21 can be a through hole corresponding to the water outlet holes 13 one by one or a long hole covering all the water outlet holes 13. The flow holes 21 communicate the water outlet holes 13 of the two adjacent flat ceramic membranes 10 to form a communicated flow pipeline, so that joint structures for communicating the flat ceramic membranes 10 in the prefabricated module are reduced, the structure is ingenious, and the assembly efficiency is high. The sealing component 20 is attached to the surface of the flat ceramic membrane 10, and the sealing effect is good.

The locking assembly 30 is clamped outside the prefabricated module, so that the flat ceramic membrane 10 and the sealing assembly 20 are tightly attached under the action of the pretightening force of the locking assembly 30, the mounting position is kept stable, and the limiting effect is good. The locking assembly 30 is provided with a water outlet channel which is in sealing fit with the outermost surface of the prefabricated module and guides the liquid output by the prefabricated module after filtration into the water outlet channel. Optionally, the outermost layer of the prefabricated module is set as the flat ceramic membrane 10, and then the water outlet channel is correspondingly communicated with the water outlet hole 13. Alternatively, the outermost layer of the prefabricated module is provided with the sealing assembly 20, and the water outlet channel is correspondingly communicated with the flow hole 21.

The flat ceramic membranes 10 and the sealing assemblies 20 are alternately stacked to form prefabricated modules, the locking assemblies 30 are clamped outside the prefabricated modules to form a filtering device, and liquid filtered by the prefabricated modules is uniformly output through the locking assemblies 30, so that the installation is convenient, and the sealing performance is good.

As shown in fig. 7 and 8, in one embodiment, the seal assembly 20 includes a partition plate 22 and seal rings 23 mounted on both sides of the partition plate 22, and the flow holes 21 penetrate the partition plate 22 and are located in a surrounding area of the seal rings 23. The partition plate 22 separates two adjacent flat ceramic membranes 10, and the seal ring 23 is elastically deformed by the pressing force of the flat ceramic membranes 10.

Partition plate 22 has a plate-like structure, and flow hole 21 penetrates partition plate 22. The sealing ring 23 is an arc-shaped structure, and for example, the sealing ring 23 is an elastic structural member such as a sealing ring or a sealing gasket. The sealing ring 23 is elastically deformed by the pressing force of the flat ceramic membrane 10 to seal the joint surface of the sealing member 20 and the flat ceramic membrane 10. The liquid filtered by the flat ceramic membrane 10 enters the flow holes 21 along the water blowing holes and then enters the adjacent flat ceramic membrane 10 from the flow holes 21 until the liquid flows into the water outlet channel, and the liquid flows smoothly.

As shown in fig. 5 and 6, in an embodiment, the locking assembly 30 includes a link member 32 and at least one conduit member 31, the link member 32 is clamped outside the prefabricated module and detachably connected to the conduit member 31, the water outlet passage is provided in the conduit member 31, and the conduit member 31 is tightly attached to the surface of the prefabricated module.

The link member 32 may be secured to the conduit member 31 by a hinged connection, a fastener connection, a pin connection, or other connection. Alternatively, the prefabricated module has a rectangular parallelepiped structure, and accordingly, the link member 32 and the pipe guide member 31 form a quadrangular structure to be clamped to the outer side surface of the prefabricated module.

As shown in fig. 4 and 9, locking assembly 30 may optionally lock one or more prefabricated modules simultaneously. The link members 32 may space apart adjacent two prefabricated modules. For example, the locking assembly 30 simultaneously locks three prefabricated modules, wherein the locking assembly 30 is provided with a link member 32 for separating the prefabricated modules, in addition to the link member 32 constituting a main frame of a quadrangular structure with the guide pipe member 31, and the link member 32 is fixed to the main frame. Alternatively, one prefabricated module may be locked by a plurality of locking assemblies 30 simultaneously. For example, the prefabricated module is provided with a cuboid structure, two or more locking assemblies 30 are simultaneously locked on the prefabricated module and output by homoenergetic guide liquid, and the flow efficiency is high.

Optionally, the duct member 31 is provided with two surfaces respectively attached to the two oppositely disposed surfaces of the prefabricated module. The pipe guiding member 31 is provided with two water outlet channels for guiding the liquid filtered by the prefabricated module to be transmitted outwards, and the two pipe guiding members 31 are respectively positioned on the surfaces of the prefabricated module, which are provided with the water outlet holes 13 or the flow holes 21 at the two ends, so that the flowing speed of the liquid is accelerated, and the flowing efficiency is high.

In an alternative embodiment, the duct member 31 includes a body portion 313 and a fixing portion 314 disposed on the body portion 313, the water outlet channel includes a guiding hole 311 penetrating the body portion 313, and a guiding hole 312 opened on a sidewall of the body portion 313 and communicated to the guiding hole 311, the body portion 313 is attached to a surface of the prefabricated module, the guiding hole 312 is communicated with the flow hole 21 or the water outlet hole 13, and the connecting rod member 32 is fixed to the fixing portion 314.

The pipe member 31 is provided with a tubular structure, wherein the guide hole 311 is provided as a main passage penetrating the pipe member 31 and outputting the liquid to the outside. The guide holes 312 communicate with the guide holes 311, and when the duct piece 31 is attached to the surface of the preform module, the guide holes 312 communicate with the flow holes 21 or the water outlet holes 13 of the surface of the preform module. And the pipe fitting 31 is in sealing fit with the surface of the prefabricated module, so that liquid can only enter the flow guide holes 311, and the liquid gathering effect is good.

The conduit member 31 is in sealing engagement with the surface of the pre-cast module, optionally the surface of the conduit member 31 is provided with a sealing gasket in sealing engagement with the surface of the pre-cast module. Optionally, the seal assembly 20 is located on the outermost surface of the prefabricated module and the duct member 31 is attached to the seal assembly 20 and sealingly attached to the seal assembly 20.

Optionally, the link member 32 and the fixing portion 314 are connected by a fastener, so that the locking structure forms a quadrilateral structure and locks one or more prefabricated modules, and the locking effect is good.

The filtering device disclosed in the above embodiment is applied to a filtering system, in an embodiment, the filtering system includes a pipeline system and the filtering devices provided in the above embodiment, and the water outlet channel of each filtering device is correspondingly communicated to the pipeline system. The pipeline system is used for controlling the flowing and the transmission of liquid, one or more filtering devices are connected to the pipeline system and convey the filtered liquid through the pipeline system, and the filtering device is high in filtering efficiency, good in controllability and convenient to maintain and detect.

The flat ceramic membrane 10 and the piping system are widely used at present, and other structures and principles are the same as those in the prior art, and are not described herein again.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof.

Claims

1. A planar ceramic membrane, comprising: ceramic membrane casing with intersect extremely at least one of ceramic membrane casing separates the muscle, the ceramic membrane casing is equipped with confined water conservancy diversion space and runs through at least one apopore of ceramic membrane casing, separate the muscle interval set up in the water conservancy diversion space will the water conservancy diversion space is separated and is formed the water conservancy diversion passageway that sets up side by side, each water conservancy diversion passageway and at least one the apopore intercommunication, the apopore can be established to the round hole or communicates the slot hole of two and above water conservancy diversion passageways.

2. The planar ceramic membrane according to claim 1, wherein the ceramic membrane housing has a plate-shaped structure, and comprises two opposite planar walls and an annular wall connecting the two planar walls, the surrounding areas of the planar walls and the annular wall form the flow guiding space, the partition ribs intersect with the two planar walls and at least a portion of the partition ribs intersect with the annular wall, and the at least one water outlet hole penetrates through the two planar walls.

3. The planar ceramic membrane of claim 2, wherein the annular wall comprises two first sidewalls disposed opposite to each other and two second sidewalls intersecting the first sidewalls, the partition ribs being parallel to the first sidewalls, the second sidewalls closing the openings formed by the planar walls and the first sidewalls, at least a portion of the partition ribs intersecting the second sidewalls.

4. The planar ceramic membrane according to claim 1, wherein each of the separation ribs is provided with at least one flow guide notch communicating two adjacent flow guide channels.

5. A filtration apparatus comprising a sealing assembly, a locking assembly and a planar ceramic membrane according to any one of claims 1 to 4, wherein the planar ceramic membrane has two or more sheets, the sealing assembly has a flow hole corresponding to the at least one water outlet hole, the sealing assembly separates two adjacent sheets of the planar ceramic membrane and seals and attaches the contact portions of the two sheets to form a prefabricated module, the locking assembly is clamped outside the at least one prefabricated module, the locking assembly has a water outlet channel, and the water outlet channel is communicated with the flow hole or the water outlet hole on the surface of the prefabricated module.

6. The filtration device of claim 5, wherein the sealing assembly comprises a partition plate and sealing rings mounted on two sides of the partition plate, the flow holes extend through the partition plate and are located in the surrounding area of the sealing rings, the partition plate separates two adjacent flat ceramic membranes, and the sealing rings are elastically deformed by the pressing force of the flat ceramic membranes.

7. The filtration device of claim 5, wherein the locking assembly comprises a rod member and at least one conduit member, the rod member is clamped outside the prefabricated module and detachably connected to the conduit member, the water outlet channel is disposed in the conduit member, and the conduit member is sealingly engaged with the surface of the prefabricated module.

8. The filtering device as claimed in claim 7, wherein the pipe member includes a pipe body portion and a fixing portion provided at the pipe body portion, the water outlet passage includes a guide hole penetrating the pipe body portion, a guide hole opened at a sidewall of the pipe body portion and communicating with the guide hole, the pipe body portion is attached to a surface of the preform module, the guide hole communicates with the flow hole or the water outlet hole, and the link member is fixed to the fixing portion.

9. The filtration device of claim 7, wherein the conduit member is provided with two surfaces respectively attached to the opposite surfaces of the prefabricated module.

10. A filter system comprising a piping system and a filter device as claimed in any one of claims 5 to 9, wherein the outlet passage of each filter device is correspondingly connected to the piping system.