CN210237232U - Novel MBR (membrane bioreactor) flat separation membrane, MBR flat membrane module and MBR membrane bioreactor - Google Patents
Novel MBR (membrane bioreactor) flat separation membrane, MBR flat membrane module and MBR membrane bioreactor Download PDFInfo
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- CN210237232U CN210237232U CN201822247773.6U CN201822247773U CN210237232U CN 210237232 U CN210237232 U CN 210237232U CN 201822247773 U CN201822247773 U CN 201822247773U CN 210237232 U CN210237232 U CN 210237232U
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- 239000012528 membrane Substances 0.000 title claims abstract description 104
- 238000000926 separation method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000001413 cellular effect Effects 0.000 claims abstract description 31
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a novel MBR flat-plate separation membrane, MBR flat-plate membrane component and MBR membrane bioreactor. The MBR flat plate separation membrane comprises a support plate, a water outlet nozzle, a flow guide cloth and a filtering membrane; the supporting plate consists of a plate type frame and a honeycomb-shaped flexible supporting three-dimensional grid; the guide flow is distributed on the plate type frame; the honeycomb flexible support three-dimensional grid is arranged on the inner surface of the flow guide cloth, and the flow guide cloth seals the three-dimensional grid in the plate-type frame hollow area; the inner side of the outer side of the supporting plate corresponding to the position of the water outlet nozzle is provided with a water outlet; the cellular flexible support three-dimensional grid comprises a first cellular surface, a second cellular surface and dense support wires, wherein the first cellular surface is arranged above the second cellular surface; the first honeycomb surface and the second honeycomb surface are both formed by a plurality of hollowed-out grids; one end of the supporting wire is connected with the grid edge in the first honeycomb surface, and the other end of the supporting wire is connected with the grid edge in the second honeycomb surface. The flat-plate separation membrane is light in weight, elastic, fast in water production, large in water production and good in application prospect.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a novel dull and stereotyped separating membrane of MBR, dull and stereotyped membrane module of MBR and MBR membrane bioreactor.
Background
The flat Membrane in the Membrane Bioreactor (MBR) is the most core and basic element in the Membrane separation technology and the traditional activated sludge process biological treatment technology, is mainly used in sewage treatment, and replaces a secondary sedimentation tank in the traditional activated sludge process with ultrafiltration or microfiltration technology to realize high-efficiency solid-liquid separation. At present, with the promulgation of ten items of water and the construction of sponge cities, MBR technology plays an increasingly important role in domestic sewage treatment and industrial wastewater treatment, and the application is wider.
Currently, commercially available membrane elements are classified into several major types, including flat membrane, hollow fiber membrane, and tubular membrane. Compared with other types of membranes, the flat membrane structurally comprises a middle membrane plate (or called a support plate or a guide plate), flow guide cloth is arranged on two sides of the membrane plate, and a filtering membrane is arranged on the outer side of the flow guide cloth on two sides of the membrane plate.
The traditional flat membrane in China is mainly developed by taking a flat membrane developed by Japan Christian corporation as a template, and a supporting plate (a membrane plate or a guide plate) adopts a solid and hard effective filtering surface filled with integral plastic or other corrosion-resistant materials, so that the whole flat membrane is heavy, consumes materials and increases the cost; and the filter element is generally of a plane structure, has no elasticity, is difficult to freely circulate water, and has large hydraulic loss.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a novel dull and stereotyped separating membrane of MBR, dull and stereotyped membrane module of MBR and MBR membrane bioreactor, the main objective is that the panel of solving the dull and stereotyped membrane of MBR is heavy, water can not freely circulate and hydraulic loss is big problem.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
on one hand, the embodiment of the utility model provides a novel MBR flat-plate separation membrane, which comprises a support plate, a water outlet nozzle outside the support plate, guide cloth on two sides of the support plate and filtering membranes on two sides of the outer surface of the guide cloth; the supporting plate is characterized by consisting of a plate type frame and a honeycomb-shaped flexible supporting three-dimensional grid;
the guide cloth is arranged on the surface of the plate type frame; the honeycomb flexible support three-dimensional grid is arranged on the inner surface of the flow guide cloth, the flow guide cloth seals the honeycomb flexible support three-dimensional grid in the hollowed-out area of the plate type frame, and a water outlet is arranged on the inner side of the plate type frame corresponding to the position of a water outlet nozzle on the outer side of the supporting plate;
the honeycomb-shaped flexible supporting three-dimensional grid comprises a first honeycomb surface, a second honeycomb surface and dense supporting wires, wherein the first honeycomb surface is arranged above the second honeycomb surface, and the second honeycomb surface is arranged below the first honeycomb surface; the first honeycomb surface and the second honeycomb surface are both composed of a plurality of hollowed-out grids; one end of the supporting wire is connected with the grid edge in the first honeycomb surface, and the other end of the supporting wire is connected with the grid edge in the second honeycomb surface.
Preferably, the number of the cellular flexible support three-dimensional grids is two, the two cellular flexible support three-dimensional grids are fixedly arranged on the inner surface of the same guide cloth side by side, a space is arranged between the two cellular flexible support three-dimensional grids and used for collecting water flow filtered by the two cellular flexible support three-dimensional grids and guiding the water flow to a water outlet on the inner side of the plate type frame as a guide groove.
Preferably, the grid shape of the first honeycomb surface and the grid shape of the second honeycomb surface are both regular hexagons, regular pentagons, rectangles, rhombuses or circles; the first honeycomb surface and the second honeycomb surface are formed by arranging a plurality of hollow grids in a matrix mode in which two adjacent sides are connected, or are formed by arranging a plurality of circular hollow grids in a matrix mode in which the hollow grids are connected in an external cutting mode.
Preferably, the first honeycomb surface and the second honeycomb surface are arranged in a staggered manner in the transverse direction; the first honeycomb surface, the second honeycomb surface and the supporting wires are all made of engineering plastics; the diameter of the edge of the hollow grid is 0.8-2mm, and the diameter of the supporting wire is 0.2-0.5 mm.
Preferably, the connecting edges of two adjacent hollow grids in the first honeycomb surface are transversely positioned at the central position of the hollow grid of the second honeycomb surface; the hollow grid connecting edge in the second honeycomb surface is transversely positioned at the center of the hollow grid of the first honeycomb surface.
Preferably, two opposite edges of the hollow grids in the first honeycomb surface are connected with a connecting edge formed by two adjacent hollow grid edges in the second honeycomb surface right below the first honeycomb surface through supporting wires, and the first honeycomb surface is in a V shape in a side view;
and other edges of the hollow grids of the first honeycomb surface are respectively connected with other edges of the hollow grids in the second honeycomb surface corresponding to the positions under the first honeycomb surface through the supporting wires, and the hollow grids are X-shaped when viewed from top.
Preferably, the honeycomb-shaped flexible support three-dimensional grid is fixed on the inner surface of the flow guide cloth through hot melt adhesive positioning points; the flow guide cloth is fixed on the plate type frame in a spot welding mode; the filtering membrane is pressed on the plate type frame by adopting hot die.
On the other hand, the embodiment of the utility model provides an MBR flat membrane component, which comprises an MBR flat membrane element; the MBR flat membrane element is the novel MBR flat separation membrane.
In another aspect, an embodiment of the present invention provides an MBR membrane bioreactor, including an MBR flat membrane module; the MBR flat membrane module is the above MBR flat membrane module.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the backup pad of the dull and stereotyped membrane of MBR (or called guide plate or lamina membranacea) comprises the cellular flexible support three-dimensional net and the board-like frame that have flexibility and spatial structure, and the hydraulic model of the three-dimensional net of cellular flexible support is superior to traditional solid core backup pad (filter) far away, and water can freely circulate in the three-dimensional net of cellular flexible support, and rivers change and pass through, and the water yield is big, and it is efficient to produce water. The honeycomb flexible support three-dimensional grid abandons the defects of the traditional solid support plate, adopts a three-dimensional hollow structure and lightens the weight of the whole separation membrane element; the MBR flat membrane element comprising the cellular flexible support three-dimensional grid support plate of the utility model meets the product performance standard, and the water separating capacity and the water yield are both superior to those of the traditional solid MBR flat membrane element; the hydraulic model has the advantages of reduced material cost, load bearing and energy consumption, excellent hydraulic model, high efficiency and suitability for popularization and application.
Drawings
Fig. 1 is a schematic side view of a three-dimensional structure of an MBR flat membrane element provided by the present invention;
fig. 2 is a schematic top plan view of the integral cellular flexible support three-dimensional grid of the MBR flat membrane element provided by the present invention;
fig. 3 is a schematic top plan view of a part of the MBR flat membrane element honeycomb flexible support three-dimensional mesh provided by the present invention;
fig. 4 is a schematic partial overhead perspective view of the MBR flat membrane element honeycomb flexible support three-dimensional mesh provided by the present invention;
fig. 5 is the utility model provides a MBR flat sheet membrane element cellular flexible support three-dimensional net part looks sideways at the stereogram.
Reference numerals:
1. a plate type frame, 101, a water outlet nozzle, 102, a water outlet, 103, the outer side of the frame, 104, the inner side of the frame;
2. the method comprises the following steps of (1) a honeycomb flexible support three-dimensional grid, 201 a first honeycomb surface, 202 a second honeycomb surface, 203 supporting wires, 204 a diversion trench;
3. flow guiding cloth; 4. and (4) filtering the membrane.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following preferred embodiments are provided to explain the detailed description of the embodiments, technical solutions, features and effects according to the present invention. The particular features, structures, or characteristics may be combined in any suitable manner in the embodiments or embodiments described below.
Example 1
As shown in fig. 1-5, a novel MBR flat separation membrane comprises a support plate, a water outlet nozzle outside the support plate, guide cloths on both sides of the support plate, and filter membranes on both sides of the outer surface of the guide cloths; the supporting plate consists of a plate type frame 1 and a honeycomb-shaped flexible supporting three-dimensional grid 2 with a three-dimensional structure; the middle of the plate type frame 1 is hollowed; the flow guide cloth 3 is fixedly arranged on the plate type frame 1; the honeycomb-shaped flexible support three-dimensional grid 2 is fixedly arranged on the inner surface of the flow guide cloth 3, and the flow guide cloth 3 seals the honeycomb-shaped flexible support three-dimensional grid 2 in the hollow area of the plate type frame 1; a water outlet 102 is arranged on the inner side 104 of the plate-type frame corresponding to the position of the water outlet nozzle 101 on the outer side 103 of the frame; the cellular flexible support three-dimensional grid 2 comprises a first cellular surface 201, a second cellular surface 202 and dense support wires 203, wherein the first cellular surface is arranged above the second cellular surface, and the second cellular surface is arranged below the first cellular surface; the first honeycomb surface and the second honeycomb surface are both formed by a plurality of hollow grids; one end of the supporting wire is connected with the grid edge in the first honeycomb surface, and the other end of the supporting wire is connected with the grid edge in the second honeycomb surface.
The separation membrane of the utility model designs the solid core plate into the honeycomb-shaped filtering membrane with a three-dimensional structure, firstly, the weight of the whole separation membrane element is lightened, and the bearing load is reduced; the honeycomb flexible support three-dimensional grid is characterized in that the upper grid surface and the lower grid surface are connected by the support wires, so that the whole honeycomb filtering membrane has a three-dimensional structure, when the upper surface and the lower surface are pressed and stressed, the whole honeycomb flexible support three-dimensional grid has vertical rebound force, and when the upper surface and the lower surface are pulled and stressed, the whole honeycomb flexible support three-dimensional grid has horizontal extension elasticity; namely, the whole flexible supporting three-dimensional grid can move within a certain range when being stressed horizontally or vertically; the whole flexible supporting three-dimensional grid is cellular, the upper surface and the lower surface of the flexible supporting three-dimensional grid are connected into a whole by the supporting wires, so that water can easily pass through the flexible supporting three-dimensional grid.
Preferably, the number of the cellular flexible support three-dimensional grids is 2 to 4, preferably two, the two cellular flexible support three-dimensional grids are fixedly arranged on the inner surface of the same flow guide cloth side by side, a gap is formed between the two cellular flexible support three-dimensional grids, the gap forms a flow guide groove 204 along the water flow direction, and the flow guide groove is used for collecting the water flow filtered by the two cellular flexible support three-dimensional grids and guiding the water flow to the water outlet on the inner side of the plate type frame; the number of the honeycomb-shaped flexible supporting three-dimensional grids can be set according to the total area of the separation membrane; the arrangement of the spacing can be designed according to actual needs.
As a preferable example of the above embodiment, as shown in fig. 2, the mesh shape of the first honeycomb surface and the mesh shape of the second honeycomb surface are both regular hexagons, regular pentagons, rectangles, rhombuses, or circles; the first honeycomb surface and the second honeycomb surface are formed by arranging a plurality of hollow grids in a matrix mode in which two adjacent sides are connected, or are formed by arranging a plurality of circular hollow grids in a matrix mode in which the hollow grids are connected in an external cutting mode. The grid shape can be different from or the same as the upper layer and the lower layer, and can be designed according to requirements.
As shown in fig. 2, 3 and 4, the first honeycomb surface and the second honeycomb surface are connected in a laterally offset arrangement; the diameter of the supporting wire is 0.2-0.5mm, and the first honeycomb surface and the second honeycomb surface are (formed by weaving woven wires). The materials can be screened according to the needs, and the diameter of the weaving wires and the supporting wires can also be designed according to the actual needs
As a preferable example of the above embodiment, as shown in fig. 2, 3, 4 and 5, the connecting edges of two adjacent hollow grids in the first honeycomb surface are located at the center of the hollow grid of the second honeycomb surface in the transverse direction (that is, when viewed from the top, in the direction perpendicular to the honeycomb surface, when viewed from the first honeycomb surface to the second honeycomb surface, the common connecting edge of each hollow grid of the first honeycomb surface is located substantially on the center line of the hollow grid of the second honeycomb surface directly below); the connection edge of the hollow grids in the second honeycomb surface is transversely positioned at the center of the hollow grids of the first honeycomb surface (namely, when the second honeycomb surface is seen from the first honeycomb surface along the direction vertical to the honeycomb surface when the second honeycomb surface is overlooked, the common connection edge of each hollow grid of the second honeycomb surface is basically positioned on the central line of the hollow grids of the first honeycomb surface right above). The design is more favorable for the smooth passing of water.
As a preferable example of the above embodiment, as shown in fig. 3 and 4, two opposite sides (left and right sides, for example) of the hollow grids in the first honeycomb surface are respectively connected with a common connecting side formed by two adjacent hollow grid sides in the second honeycomb surface right below the first honeycomb surface through a supporting wire, and the shape is similar to a V shape when viewed from the side surface of the grids; the other edges (the other edges are the two opposite edges except the left and right sides of the example) of the hollow grids of the first honeycomb surface are respectively connected with the other edges (the other edges are the common connecting edges except the example) of the hollow grids in the second honeycomb surface corresponding to the right and the lower sides of the hollow grids through the supporting wires, and the hollow grids are in an X shape when viewed from top, and refer to fig. 4.
Preferably, the honeycomb-shaped flexible supporting three-dimensional grid is fixed on the inner surface of the flow guide cloth on one surface of the honeycomb-shaped flexible supporting three-dimensional grid through hot melt adhesive positioning points; the flow guide cloth is fixed on the plate type frame in a spot welding mode; the filtering membrane is pressed on the plate-type frame by adopting hot die.
The utility model also designs an MBR flat membrane component by utilizing the flat separation membrane, which comprises an MBR flat membrane element; above-mentioned dull and stereotyped membrane element of MBR is promptly the utility model relates to a novel dull and stereotyped separating membrane of MBR.
The utility model utilizes the novel MBR flat-plate separation membrane to assemble an MBR membrane bioreactor, which comprises an MBR flat-plate membrane component; above-mentioned dull and stereotyped membrane module of MBR does the utility model relates to a novel dull and stereotyped membrane module of MBR.
The utility model discloses a novel MBR dull and stereotyped separation membrane, novel MBR dull and stereotyped membrane module or novel MBR membrane bioreactor are applied to sewage treatment, and sewage filtration efficiency is high, and the effect is obviously superior to conventional separation membrane.
Application example 1
The water production performance of the MBR flat membrane element (support plate containing the honeycomb-shaped flexible support three-dimensional grid) of example 1 of the present invention was compared with that of the conventional MBR flat membrane element (solid support plate), as shown in table 1;
TABLE 1 comparison of Water production Performance of example 1 and conventional MBR flat sheet membranes
According to the experimental data, the honeycomb flexible support three-dimensional grid designed by the utility model can reduce the weight of the whole flat membrane original, water can freely circulate in the honeycomb flexible support three-dimensional grid, water flow is easier to pass, the water yield is large, and the water production efficiency is high; the MBR flat membrane element comprising the honeycomb-shaped flexible support three-dimensional grid support plate of the utility model meets the product performance standard, and the water separating capacity and the water yield are both superior to those of the traditional solid MBR flat membrane element; the hydraulic model has the advantages of reduced material cost, load bearing and energy consumption, excellent hydraulic model, high efficiency and suitability for popularization and application.
The embodiment of the present invention is not exhaustive, and those skilled in the art can select from the prior art.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the above claims.
Claims (9)
1. A novel MBR flat-plate separation membrane comprises a support plate, a water outlet nozzle outside the support plate, guide cloth on two sides of the support plate and filter membranes on two sides of the outer surface of the guide cloth; the supporting plate is characterized by consisting of a plate type frame and a honeycomb-shaped flexible supporting three-dimensional grid;
the guide cloth is arranged on the surface of the plate type frame; the honeycomb flexible support three-dimensional grid is arranged on the inner surface of the flow guide cloth, the flow guide cloth seals the honeycomb flexible support three-dimensional grid in the hollowed-out area of the plate type frame, and a water outlet is arranged on the inner side of the plate type frame corresponding to the position of a water outlet nozzle on the outer side of the supporting plate;
the honeycomb-shaped flexible supporting three-dimensional grid comprises a first honeycomb surface, a second honeycomb surface and dense supporting wires, wherein the first honeycomb surface is arranged above the second honeycomb surface, and the second honeycomb surface is arranged below the first honeycomb surface; the first honeycomb surface and the second honeycomb surface are both composed of a plurality of hollowed-out grids; one end of the supporting wire is connected with the grid edge in the first honeycomb surface, and the other end of the supporting wire is connected with the grid edge in the second honeycomb surface.
2. The novel MBR flat separation membrane as set forth in claim 1, wherein the number of the cellular flexible support three-dimensional grids is two, two cellular flexible support three-dimensional grids are fixed side by side on the inner surface of the same guide cloth, and a space is provided between the two cellular flexible support three-dimensional grids for collecting the water flow filtered by the two cellular flexible support three-dimensional grids and guiding the water flow to the water outlet inside the plate frame as a guide groove.
3. The novel MBR flat separation membrane of claim 1, wherein the grid shape of the first honeycomb face and the grid shape of the second honeycomb face are both regular hexagons, regular pentagons, rectangles, diamonds, or circles; the first honeycomb surface and the second honeycomb surface are formed by arranging a plurality of hollow grids in a matrix mode in which two adjacent sides are connected, or are formed by arranging a plurality of circular hollow grids in a matrix mode in which the hollow grids are connected in an external cutting mode.
4. The novel MBR flat separation membrane of claim 1, wherein the first honeycomb surface and the second honeycomb surface are laterally staggered; the first honeycomb surface, the second honeycomb surface and the supporting wires are all made of engineering plastics; the diameter of the edge of the hollow grid is 0.8-2mm, and the diameter of the supporting wire is 0.2-0.5 mm.
5. The novel MBR flat separation membrane of claim 1, wherein the connecting edges of two adjacent hollow grids in the first honeycomb surface are transversely positioned at the center of the hollow grids in the second honeycomb surface; the hollow grid connecting edge in the second honeycomb surface is transversely positioned at the center of the hollow grid of the first honeycomb surface.
6. The novel MBR flat separation membrane as set forth in claim 5, wherein two opposite edges of the hollow grids in the first honeycomb surface are connected with a connecting edge formed by two adjacent hollow grid edges in the second honeycomb surface right below the first honeycomb surface through supporting wires, and the connecting edge is V-shaped in side view;
and other edges of the hollow grids of the first honeycomb surface are respectively connected with other edges of the hollow grids in the second honeycomb surface corresponding to the positions under the first honeycomb surface through the supporting wires, and the hollow grids are X-shaped when viewed from top.
7. The novel MBR flat separation membrane as set forth in claim 1, wherein the honeycomb-shaped flexible support three-dimensional mesh is fixed on the inner surface of the flow guide cloth through hot melt adhesive positioning points; the flow guide cloth is fixed on the plate type frame in a spot welding mode; the filtering membrane is pressed on the plate type frame by adopting hot die.
8. An MBR flat membrane component comprises an MBR flat membrane element; characterized in that the MBR flat membrane element is a novel MBR flat separation membrane of any one of claims 1-7.
9. An MBR membrane bioreactor comprises an MBR flat membrane component; wherein the MBR flat membrane module is the MBR flat membrane module of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247773.6U CN210237232U (en) | 2018-12-29 | 2018-12-29 | Novel MBR (membrane bioreactor) flat separation membrane, MBR flat membrane module and MBR membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822247773.6U CN210237232U (en) | 2018-12-29 | 2018-12-29 | Novel MBR (membrane bioreactor) flat separation membrane, MBR flat membrane module and MBR membrane bioreactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553184A (en) * | 2018-12-29 | 2019-04-02 | 殷伟卿 | A kind of novel MBR flat-plate separation film, MBR flat sheet membrane module and its application |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553184A (en) * | 2018-12-29 | 2019-04-02 | 殷伟卿 | A kind of novel MBR flat-plate separation film, MBR flat sheet membrane module and its application |
| CN109553184B (en) * | 2018-12-29 | 2024-04-02 | 殷伟卿 | MBR (Membrane biological reactor) flat plate separation membrane, MBR flat plate membrane module and application thereof |
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