CN113332858A - Membrane module assembly for purifying sewage - Google Patents
Membrane module assembly for purifying sewage Download PDFInfo
- Publication number
- CN113332858A CN113332858A CN202010133433.XA CN202010133433A CN113332858A CN 113332858 A CN113332858 A CN 113332858A CN 202010133433 A CN202010133433 A CN 202010133433A CN 113332858 A CN113332858 A CN 113332858A
- Authority
- CN
- China
- Prior art keywords
- air
- air outlet
- outlet cover
- membrane module
- aeration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 71
- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000005273 aeration Methods 0.000 claims abstract description 75
- 238000005192 partition Methods 0.000 claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 8
- 239000002351 wastewater Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The membrane module device for purifying sewage of the present invention comprises: the device comprises a vertical connecting rod, a base, a membrane component, a pump, a cross beam pressing seat, a cross connecting rod, aeration pipes, an air inlet pipe, an air outlet cover, a cross partition plate and air conduits, wherein a plurality of aeration pipes are fixed on a support between the membrane component and the base through pipe brackets, the air inlet pipe is connected with the aeration pipes, pressurized air is introduced into each aeration pipe, a plurality of aeration pipe air outlets are formed at the lower end of each aeration pipe, an air outlet cover is fixed above each aeration pipe, a cross partition plate is arranged in the air outlet cover between the air outlet cover and the aeration pipes, the cross partition plate partitions the upper part of the air outlet cover into an air chamber, a plurality of air outlet cover air outlets are formed on the side wall of the air chamber, a plurality of air conduits are arranged on the cross partition plate, one end of each air conduit is communicated with the air chamber, the other end of each air conduit is communicated with the lower part of the air outlet cover, and after the air is sprayed out from the aeration pipe air outlets below the aeration pipes, large bubbles formed by the air outlet cover are collected from the air outlet cover, and (4) flushing sludge in the gaps of the membrane modules.
Description
Technical Field
The invention relates to a membrane module device in the field of sewage treatment, in particular to a membrane module device for purifying sewage.
Background
At present, most of aeration devices of flat membranes are single aeration pipes or air outlet holes which can not cover the whole membrane module, so that the membrane module is blocked by sludge after long-time operation, and the aeration devices are not favorable for high-efficiency and continuous working requirements.
Disclosure of Invention
The invention aims to overcome the problem of insufficient aeration of the existing membrane component device, and provides a membrane component device for purifying sewage.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a membrane module device for purifying sewage, which comprises: the vertical connecting rod, a pedestal, a membrane module, a pump, the crossbeam is pressed seat and transverse connecting rod, the one end of four vertical connecting rods is fixed at the base, wherein the other end of two vertical connecting rods is fixed on a crossbeam is pressed the seat, the other end of two vertical connecting rods is fixed on another crossbeam is pressed the seat, the upper end of membrane module is fixed on two crossbeam are pressed the seat, the both sides of membrane module are pressed tightly through two vertical connecting rods respectively, press between the seat to press through two transverse connecting rods to press fixedly, the upper end at the membrane module is equipped with the membrane module delivery port, the pump passes through the pipeline and links to each other with the membrane module delivery port, its characterized in that: the membrane module apparatus for purifying sewage further comprises: an aeration device, comprising: aeration pipes, an air inlet pipe, air outlet covers, transverse clapboards and air ducts, wherein a plurality of aeration pipes are fixed on a base between a membrane component and the base through pipe brackets, the air inlet pipe is connected with the aeration pipes, pressurized air is introduced into each aeration pipe, a plurality of aeration pipe air outlets are arranged at the lower end of each aeration pipe, an air outlet cover is fixed above each aeration pipe, a transverse clapboard is arranged in the air outlet cover between the air outlet cover and the aeration pipes, the transverse clapboard separates the upper part of the air outlet cover into air chambers, a plurality of air outlet cover air outlets are arranged on the side wall of each air chamber, a plurality of air ducts are arranged on the transverse clapboards, one end of each air duct is communicated with the air chambers, the other end of each air duct is communicated with the lower part of the air outlet cover, after the air is sprayed out from the aeration pipe air outlets below the aeration pipes, the air bubbles floating up are collected by the air outlet covers, after the air bubbles pass through the air ducts and the air chambers, the formed large bubbles come out from the air outlet covers, the sludge in the gaps of the membrane components is washed, so that the membrane components can stably and continuously work.
The invention relates to a membrane module device for purifying sewage, wherein: the aeration devices are uniformly arranged in the length direction and the width direction of the membrane component.
The invention relates to a membrane module device for purifying sewage, wherein: the area of the air outlet cover is larger than that of the air outlet of the aeration pipe.
The invention relates to a membrane module device for purifying sewage, wherein: the air outlet cover is a shell with a small upper part and a big lower part, two sides of the shell are parallel to the aeration pipe, and air chambers on the two sides are provided with air outlets of the air outlet cover.
The invention relates to a membrane module device for purifying sewage, wherein: the air outlet of the air outlet cover is provided with elongated holes, the elongated holes are arranged in at least two rows on the side surface of the air chamber, the elongated holes in adjacent rows are distributed in a staggered manner, the minimum distance between the elongated holes and the two ends of the air outlet cover and the distance between the adjacent elongated holes are smaller than or equal to the distance between the diaphragms of the diaphragm assembly, and therefore the diaphragm gaps of the diaphragm assembly can be cleaned by bubbles.
The invention relates to a membrane module device for purifying sewage, wherein: the air inlet pipe is positioned in the middle of the aeration pipe, the aeration pipe air outlets with the aperture of phi 4mm and the aperture of phi 6mm are distributed on the aeration pipe, and the aeration pipe air outlets with the two apertures are uniformly distributed on the aeration pipe.
The invention relates to a membrane module device for purifying sewage, wherein: the air guide pipes are in a lower semicircular shape, the upper ends of the air guide pipes are communicated with the air chamber, the lower ends of the air guide pipes are communicated with the lower part of the air outlet cover, and a vertical edge partition plate is arranged between every two adjacent air guide pipes to divide the air chamber into a plurality of small air chambers.
The invention relates to a membrane module device for purifying sewage, wherein: the included angle of the extension lines of the two side surfaces of the air outlet cover is 60-80 degrees.
The invention relates to a membrane module device for purifying sewage, wherein: the air outlet cover is fixed on the base.
Compared with the prior art, the invention has the beneficial effects that: simple structure, convenient operation has reduced the artifical cost of cleaning of device. The membrane module device for purifying sewage washes sludge in the diaphragm gap of the flat membrane, and the dewatered sludge is flaky or powdery and is convenient to transport.
Drawings
FIG. 1 is a schematic forward view of a membrane module apparatus for purifying wastewater according to the present invention;
FIG. 2 is a side schematic view of FIG. 1;
fig. 3 is an enlarged schematic view of a front section of the air outlet cover, the aeration pipe, the air conduit and the diaphragm.
In fig. 1 to 3, reference numeral 1 is a vertical link; reference numeral 2 is a base; reference numeral 3 is an intake pipe; reference numeral 4 is a pipe bracket; reference numeral 5 is an aeration pipe; reference numeral 6 is a membrane module; reference numeral 7 is an air outlet of the aeration pipe; reference numeral 8 is a membrane module water outlet; reference numeral 9 is a pump; reference numeral 10 is a beam pressing base; reference numeral 11 is a transverse link; reference numeral 12 is an air outlet of the air outlet cover; reference numeral 13 is an air outlet cover; reference numeral 14 is an air duct; reference numeral 15 is a diaphragm; reference numeral 16 is a gas chamber; reference numeral 17 is a vertical partition plate.
Detailed Description
As shown in fig. 1 and 2, the membrane module device for purifying sewage of the present invention comprises: the membrane module comprises vertical connecting rods 1, a base 2, a membrane module 6, a pump 9, cross beam pressing seats 10 and transverse connecting rods 11, wherein one ends of four vertical connecting rods 1 are fixed on the base 2, the other ends of two vertical connecting rods 1 are fixed on one cross beam pressing seat 10, the other ends of the other two vertical connecting rods 1 are fixed on the other cross beam pressing seat 10, the upper end of the membrane module 6 is fixed on the two cross beam pressing seats 10, two sides of the membrane module 6 are respectively clamped by the two vertical connecting rods 1, the two cross beam pressing seats 10 are clamped and fixed by the two transverse connecting rods 11, a membrane module water outlet 8 is arranged at the upper end of the membrane module 6, and the pump 9 is connected with the membrane module water outlet 8 through a pipeline.
As shown in fig. 3 and 1, the membrane module apparatus for purifying sewage further includes: an aeration device, comprising: the aeration pipe 5, the air inlet pipe 3, the air outlet cover 13, the transverse partition plate 15 and the air conduit 14 are evenly provided with 2-5 aeration devices in the length and width directions of the membrane component 6. A plurality of aeration pipes 5 are fixed on a base 2 between a membrane component 6 and the base 2 through pipe brackets 4, an air inlet pipe 3 is connected with the aeration pipes 5, the air inlet pipe 3 is positioned at the middle position of the aeration pipes 5, a plurality of aeration pipe air outlets 7 are arranged at the lower end of each aeration pipe 5, the aeration pipe air outlets 7 with the aperture of phi 4mm and the aperture of phi 6mm are distributed on each aeration pipe 5, the aeration pipe air outlets 7 with the two apertures are uniformly arranged on the aeration pipes 5, pressurized air is introduced into each aeration pipe 5 through the air inlet pipe 3, an air outlet cover 13 is fixed above each aeration pipe 5, a transverse partition plate 15 is arranged in the air outlet cover 13 between the air outlet cover 13 and the aeration pipes 5, the transverse partition plate 15 partitions the upper part of the air outlet cover 13 into an air chamber 16, the air outlet cover 13 is a shell with a small upper part and a large lower part, the extension lines of two side surfaces of the air outlet cover 13 form an included angle of 60-80 degrees, prevent the accumulation of sludge and ensure the normal work of the aeration device. Two sides of the shell are parallel to the aeration pipe 5, air chambers 16 on the two sides are provided with air outlet cover air outlets 12, the air outlet cover air outlets 12 are strip holes, the strip holes are arranged into at least two rows on the side surface of the air chamber 16, the strip holes of adjacent rows are distributed in a staggered manner, the minimum distance between the strip holes and the two ends of the air outlet cover 13 and the distance between the adjacent strip holes are smaller than or equal to the distance between the diaphragms of the diaphragm assembly 6, and the diaphragm gaps of the diaphragm assembly 6 can be cleaned by bubbles.
The transverse partition plate 15 is provided with a plurality of air ducts 14, the air ducts 14 are in a lower semicircular shape, the upper ends of the air ducts 14 are communicated with the air chamber 16, the lower ends of the air ducts 14 are communicated with the lower part of the air outlet cover 13, and a vertical side partition plate 17 is arranged between every two adjacent air ducts 14 to divide the air chamber 16 into a plurality of small air chambers. The area of the air outlet 12 of the air outlet cover is larger than that of the air outlet 7 of the aeration pipe, air is sprayed out from the air outlet 7 of the aeration pipe below the aeration pipe 5, the air bubbles floating upwards are collected by the air outlet cover 13, after the air bubbles pass through the air conduit 14 and the air chamber 16, large bubbles formed are discharged from the air outlet 12 of the air outlet cover, and sludge in gaps of the membrane module 6 is washed, so that the membrane module can stably and continuously work.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the spirit of the invention.
Claims (9)
1. A membrane module apparatus for purifying contaminated water, comprising: erect connecting rod (1), base (2), membrane module (6), pump (9), seat (10) and transverse connection rod (11) are pressed to the crossbeam, the one end of four perpendicular connecting rods (1) is fixed in base (2), wherein the other end of two perpendicular connecting rods (1) is fixed on seat (10) is pressed to a crossbeam, the other end of two perpendicular connecting rods (1) is fixed on seat (10) is pressed to another crossbeam in addition, the upper end of membrane module (6) is fixed on seat (10) is pressed to two crossbeams, the both sides of membrane module (6) are pressed tightly through two perpendicular connecting rods (1) respectively, press between seat (10) to press through two transverse connection rods (11) to press and press to fix, membrane module delivery port (8) are equipped with in the upper end of membrane module (6), pump (9) link to each other through pipeline and membrane module delivery port (8), its characterized in that: the membrane module apparatus for purifying sewage further comprises: an aeration device, comprising: aeration pipes (5), an air inlet pipe (3), air outlet covers (13), transverse partition plates (15) and air ducts (14), wherein a plurality of aeration pipes (5) are fixed on a base (2) between a membrane component (6) and the base (2) through pipe brackets (4), the air inlet pipe (3) is connected with the aeration pipes (5), pressurized air is introduced into each aeration pipe (5), a plurality of aeration pipe air outlets (7) are arranged at the lower end of each aeration pipe (5), one air outlet cover (13) is fixed above each aeration pipe (5), one transverse partition plate (15) is arranged in each air outlet cover (13) between each air outlet cover (13) and each aeration pipe (5), the transverse partition plate (15) separates the upper part of each air outlet cover (13) into an air chamber (16), a plurality of air outlet cover air outlets (12) are arranged on the side wall of each air chamber (16), and a plurality of air ducts (14) are arranged on each transverse partition plate (15), one end of an air conduit (14) is communicated with an air chamber (16), the other end of the air conduit (14) is communicated with the lower part of an air outlet cover (13), after air is sprayed out from an air outlet (7) of an aeration pipe below an aeration pipe (5), the air outlet cover (13) collects floating bubbles, after the bubbles pass through the air conduit (14) and the air chamber (16), large bubbles formed are discharged from an air outlet (12) of the air outlet cover to wash sludge in gaps between membrane components (6), so that the membrane components can stably and continuously work.
2. The membrane module device for purifying wastewater of claim 1, wherein: 2-5 aeration devices are uniformly arranged in the length and width directions of the membrane module (6).
3. The membrane module device for purifying wastewater of claim 2, wherein: the area of the air outlet (12) of the air outlet cover is larger than that of the air outlet (7) of the aeration pipe.
4. The membrane module device for purifying wastewater of claim 3, wherein: the air outlet cover (13) is a shell with a small upper part and a big lower part, two side edges of the shell are parallel to the aeration pipe (5), and air chambers (16) on the two side edges are provided with air outlet cover air outlets (12).
5. The membrane module device for purifying wastewater of claim 4, wherein: the air outlet (12) of the air outlet cover is a long hole, the long holes are arranged in at least two rows on the side surface of the air chamber (16), the long holes in adjacent rows are distributed in a staggered mode, the minimum distance between the long holes and the two ends of the air outlet cover (13) and the distance between the adjacent long holes are smaller than or equal to the distance between the diaphragms of the diaphragm assembly (6), and therefore the diaphragm gaps of the diaphragm assembly (6) can be washed by bubbles.
6. The membrane module device for purifying wastewater of claim 5, wherein: the air inlet pipe (3) is positioned in the middle of the aeration pipe (5), aeration pipe air outlets (7) with the aperture of phi 4mm and the aperture of phi 6mm are distributed on the aeration pipe (5), and the aeration pipe air outlets (7) with the two apertures are uniformly distributed on the aeration pipe (5) at intervals.
7. The membrane module device for purifying wastewater of claim 6, wherein: the air guide pipes (14) are semicircular at the lower part, the upper ends of the air guide pipes (14) are communicated with the air chamber (16), the lower ends of the air guide pipes (14) are communicated with the lower part of the air outlet cover (13), and a vertical edge clapboard (17) is arranged between every two adjacent air guide pipes (14) to divide the air chamber (16) into a plurality of small air chambers.
8. The membrane module device for purifying wastewater of claim 7, wherein: the included angle of the extension lines of the two side surfaces of the air outlet cover (13) is 60-80 degrees.
9. The membrane module device for purifying wastewater of claim 8, wherein: the air outlet cover (13) is fixed on the base (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010133433.XA CN113332858A (en) | 2020-03-02 | 2020-03-02 | Membrane module assembly for purifying sewage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010133433.XA CN113332858A (en) | 2020-03-02 | 2020-03-02 | Membrane module assembly for purifying sewage |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113332858A true CN113332858A (en) | 2021-09-03 |
Family
ID=77467084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010133433.XA Withdrawn CN113332858A (en) | 2020-03-02 | 2020-03-02 | Membrane module assembly for purifying sewage |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113332858A (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09155166A (en) * | 1995-12-01 | 1997-06-17 | Hitachi Plant Eng & Constr Co Ltd | Immersion type flat membrane separator |
JP2009233571A (en) * | 2008-03-27 | 2009-10-15 | Toray Ind Inc | Element array fixing implement and membrane separation apparatus |
CN102711963A (en) * | 2009-09-03 | 2012-10-03 | 泽农科技合股公司 | Gas sparger for a filtering membrane |
CN202569979U (en) * | 2012-03-29 | 2012-12-05 | 陈怀洲 | Aeration membrane tube with non-uniformly distributed holes |
CN104003509A (en) * | 2013-02-22 | 2014-08-27 | 伊耐特株式会社 | Plate-shaped film type ventilation device |
KR20150072599A (en) * | 2013-12-20 | 2015-06-30 | 주식회사 에코니티 | Aeration apparatus having intermittent/continuous aeration function and operation method thereof |
CN205603307U (en) * | 2016-05-05 | 2016-09-28 | 宁波水艺膜科技发展有限公司 | Gaseous generating device of pulse |
CN205886616U (en) * | 2016-07-28 | 2017-01-18 | 河北智乐水处理技术有限公司 | Hollow fiber membrane assembly |
CN208599497U (en) * | 2018-07-23 | 2019-03-15 | 李闻博 | A kind of curtain type membrane rack device |
CN212188603U (en) * | 2020-03-02 | 2020-12-22 | 龙感湖龙源汇力科技有限公司 | Membrane module device for purifying sewage |
-
2020
- 2020-03-02 CN CN202010133433.XA patent/CN113332858A/en not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09155166A (en) * | 1995-12-01 | 1997-06-17 | Hitachi Plant Eng & Constr Co Ltd | Immersion type flat membrane separator |
JP2009233571A (en) * | 2008-03-27 | 2009-10-15 | Toray Ind Inc | Element array fixing implement and membrane separation apparatus |
CN102711963A (en) * | 2009-09-03 | 2012-10-03 | 泽农科技合股公司 | Gas sparger for a filtering membrane |
CN202569979U (en) * | 2012-03-29 | 2012-12-05 | 陈怀洲 | Aeration membrane tube with non-uniformly distributed holes |
CN104003509A (en) * | 2013-02-22 | 2014-08-27 | 伊耐特株式会社 | Plate-shaped film type ventilation device |
KR20150072599A (en) * | 2013-12-20 | 2015-06-30 | 주식회사 에코니티 | Aeration apparatus having intermittent/continuous aeration function and operation method thereof |
CN205603307U (en) * | 2016-05-05 | 2016-09-28 | 宁波水艺膜科技发展有限公司 | Gaseous generating device of pulse |
CN205886616U (en) * | 2016-07-28 | 2017-01-18 | 河北智乐水处理技术有限公司 | Hollow fiber membrane assembly |
CN208599497U (en) * | 2018-07-23 | 2019-03-15 | 李闻博 | A kind of curtain type membrane rack device |
CN212188603U (en) * | 2020-03-02 | 2020-12-22 | 龙感湖龙源汇力科技有限公司 | Membrane module device for purifying sewage |
Non-Patent Citations (1)
Title |
---|
苏建宇: "生物工艺学", vol. 2017, 30 June 2017, 华中科技大学出版社, pages: 137 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108554184B (en) | High-density flat membrane element | |
CN212188603U (en) | Membrane module device for purifying sewage | |
KR101559122B1 (en) | Membrane appratus for water treatment that is easily assembled and disassembled | |
CN113332858A (en) | Membrane module assembly for purifying sewage | |
CN210126717U (en) | Membrane frame device with MBR (membrane bioreactor) membrane easy to disassemble, assemble and clean | |
CN216367432U (en) | Membrane module cleaning device | |
CN214734689U (en) | Multi-channel oil intercepting groove | |
CN104857777A (en) | Demister and flushing method thereof | |
CN116099365A (en) | Immersed membrane filter device | |
KR20130015869A (en) | A membrane module with an air pipe and suction pipe frame capable of high integration | |
AU2021107293A4 (en) | An air scouring configuration with cleaning functionality for use with the nano-modified membrane bioreactor membrane elements | |
CN213101383U (en) | Use efficient washing tower | |
KR20140049864A (en) | Separation membrane module and apparatus for filtering water using the same | |
CN112174261A (en) | Permeable membrane separation device convenient to replace and used for water pollution treatment and using method | |
CN107214124B (en) | Cleaning and air-drying system for television backboard stamping part | |
CN215975142U (en) | MBR membrane group ware with produce water hose protection architecture | |
CN216785824U (en) | Double installation curtain formula MBR membrane group device | |
CN210097407U (en) | Drawer type mounted flat ceramic membrane device | |
CN210495956U (en) | Immersed large-flux flat ceramic membrane device | |
CN219518072U (en) | V-shaped included angle multi-row flushing device with internal inflow grating | |
CN218371940U (en) | Quick detachable MBR membrane module of resistant pollution | |
CN216584286U (en) | Dissolved air flotation water treatment device | |
CN209735359U (en) | Container type MSD membrane separation device | |
CN220766693U (en) | Biological filter | |
CN213078056U (en) | Self-cleaning membrane assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210903 |
|
WW01 | Invention patent application withdrawn after publication |