CN219079181U - Device for water treatment based on tubular microfiltration membrane - Google Patents

Device for water treatment based on tubular microfiltration membrane Download PDF

Info

Publication number
CN219079181U
CN219079181U CN202223567330.8U CN202223567330U CN219079181U CN 219079181 U CN219079181 U CN 219079181U CN 202223567330 U CN202223567330 U CN 202223567330U CN 219079181 U CN219079181 U CN 219079181U
Authority
CN
China
Prior art keywords
pipe
liquid inlet
clear water
component
fixedly connected
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.)
Active
Application number
CN202223567330.8U
Other languages
Chinese (zh)
Inventor
姜训镜
李俊杰
李江涛
陈飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jiuzhang Environmental Engineering Co ltd
Original Assignee
Beijing Jiuzhang Environmental Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Jiuzhang Environmental Engineering Co ltd filed Critical Beijing Jiuzhang Environmental Engineering Co ltd
Priority to CN202223567330.8U priority Critical patent/CN219079181U/en
Application granted granted Critical
Publication of CN219079181U publication Critical patent/CN219079181U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The utility model discloses a device for water treatment based on a tubular microfiltration membrane, which comprises a liquid inlet component and a liquid outlet component, wherein the liquid inlet component and the liquid outlet component are correspondingly arranged, a plurality of filter components are arranged between the liquid inlet component and the liquid outlet component, the filter components are distributed at equal intervals along the length direction of the liquid inlet component, two ends of the filter components are respectively and rotatably connected with the liquid inlet component and the liquid outlet component, a fixed frame is arranged between the liquid inlet component and the top end of the fixed frame, the fixed frames are respectively and fixedly connected with the top end of the liquid inlet component and the top end of the liquid outlet component, two connecting plates can be opened by unscrewing corresponding nuts when the two connecting plates are opened, the corresponding filter components can be rotated and laid down after the two connecting plates are opened, the tubular microfiltration membrane at the middle position is convenient to maintain and replace, and the practicability of the device is improved.

Description

Device for water treatment based on tubular microfiltration membrane
Technical Field
The utility model belongs to the technical field of water treatment devices, and particularly relates to a water treatment device based on a tubular microfiltration membrane.
Background
The filtering membrane is divided into four forms of a microfiltration Membrane (MF), an ultrafiltration membrane (UF), a nanofiltration membrane (NF) and a reverse osmosis membrane (RO) according to the size of the micropore aperture, the microfiltration membrane generally refers to a filtering membrane with the filtering aperture of 0.1-1 micron, the microfiltration membrane is divided into an inorganic membrane and an organic polymer membrane according to a film forming material, and the tubular microfiltration membrane has the advantages of high sewage treatment efficiency and high impurity removal rate, so that the tubular microfiltration membrane is widely applied, when the tubular microfiltration membrane device is used, a plurality of tubular microfiltration membranes are communicated with a sewage pipe to improve the sewage treatment efficiency, and the conventional tubular microfiltration membrane device is provided with a plurality of tubular microfiltration membranes on a bracket which are not movable, so that the tubular microfiltration membrane in the middle of the bracket is difficult to maintain and replace.
Disclosure of Invention
The utility model aims to provide a water treatment device based on a tubular microfiltration membrane, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a water treatment device based on tubular microfiltration membrane, includes feed liquor part and goes out the liquid part, feed liquor part and go out the liquid part and correspond the setting, be provided with filter element between feed liquor part and the liquid part, filter element has a plurality of, a plurality of filter element is along the length direction equidistance distribution of feed liquor part, filter element's both ends are connected with feed liquor part and liquid part rotation respectively, be provided with the mount between the top of feed liquor part and mount, the mount has a plurality of, a plurality of the both ends of mount respectively with the top of feed liquor part and go out the top fixed connection of liquid part, the top and the top block of filter element of mount are connected.
Preferably, the liquid inlet component comprises a first mounting frame, a liquid inlet main pipe is fixedly connected to the inside of the first mounting frame, a first connecting mechanism is fixedly communicated with the side wall of the liquid inlet main pipe, a plurality of first connecting mechanisms are arranged, and the plurality of first connecting mechanisms are distributed at equal intervals along the length direction of the liquid inlet main pipe.
Preferably, the liquid outlet component comprises a second mounting frame, the inside fixedly connected with blowdown house steward of second mounting frame, one side fixedly connected with clear water house steward of second mounting frame, one side fixedly connected with second coupling mechanism of blowdown house steward lateral wall, the opposite side fixedly connected with third coupling mechanism of blowdown house steward lateral wall, second coupling mechanism and third coupling mechanism all have a plurality of, and a plurality of second coupling mechanism and third coupling mechanism all distribute along blowdown house steward's length direction equidistance, clear water house steward's lateral wall fixedly connected with fourth coupling mechanism, fourth coupling mechanism has a plurality of, and a plurality of fourth coupling mechanism distributes along clear water house steward's length direction equidistance.
Preferably, the filter component comprises a liquid inlet connecting pipe and a sewage discharging connecting pipe, one end of the liquid inlet connecting pipe is rotationally connected with the liquid inlet main pipe through a corresponding first connecting mechanism, one end of the sewage discharging connecting pipe is rotationally connected with the sewage discharging main pipe through a corresponding second connecting mechanism, a clear water connecting pipe is arranged in the sewage discharging connecting pipe, one end of the clear water connecting pipe penetrates through the sewage discharging main pipe, the clear water connecting pipe is rotationally connected with the sewage discharging main pipe through a corresponding third connecting mechanism, one end of the clear water connecting pipe is rotationally connected with the clear water main pipe through a corresponding fourth connecting mechanism, a tubular microfiltration membrane is arranged between the liquid inlet connecting pipe and the sewage discharging connecting pipe, a plurality of tubular microfiltration membranes are distributed from top to bottom at equal intervals, two ends of each tubular microfiltration membrane are respectively in threaded connection with a liquid inlet branch pipe and a sewage discharging branch pipe, one end of each liquid inlet branch pipe is fixedly communicated with the side wall of the liquid inlet connecting pipe and the side wall of the sewage discharging connecting pipe, one end of each clear water branch pipe is fixedly communicated with the side wall of the clear water connecting pipe, and one end of each clear water branch pipe penetrates through the side wall of the sewage discharging connecting pipe is fixedly communicated with the side wall of the clear water.
Preferably, the first connecting mechanism, the second connecting mechanism, the third connecting mechanism and the fourth connecting mechanism have the same structure, the fourth connecting mechanism comprises a cylinder, and a sealing bearing is fixedly arranged in the cylinder.
Preferably, the fixing frame comprises two corresponding support columns, the bottom ends of the two support columns are fixedly connected with the top end of the first installation frame and the top end of the second installation frame respectively, the top ends of the two support columns are hinged with connecting plates, one of the connecting plates is provided with a butt joint groove, the other one of the connecting plates is fixedly connected with a stud, and the top of the stud is provided with a nut.
Preferably, the bottom ends of the two connecting plates are fixedly connected with pressing plates, and the two pressing plates are respectively connected with the corresponding liquid inlet branch pipe and the corresponding sewage discharge branch pipe in a clamping manner.
Compared with the prior art, the utility model has the beneficial effects that: when the device is maintained, the corresponding nuts are unscrewed to open the two connecting plates, and after the two connecting plates are opened, the corresponding filter parts can be rotated and laid down, so that the tubular microfiltration membrane at the middle position is convenient to maintain and replace, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a cross-sectional view of the A-A side of the present utility model;
fig. 4 is a schematic structural diagram of a portion a of the present utility model.
In the figure: 1. a liquid inlet component; 11. a first mounting frame; 12. a liquid inlet main pipe; 13. a first connection mechanism; 2. a liquid outlet member; 21. a second mounting frame; 22. a sewage main pipe; 23. a clear water main pipe; 24. a second connection mechanism; 25. a third connection mechanism; 26. a fourth connection mechanism; 261. a cylinder; 262. sealing the bearing; 3. a fixing frame; 31. a support column; 32. a connecting plate; 33. a butt joint groove; 34. a stud; 35. a pressing plate; 4. a filter member; 41. a liquid inlet connecting pipe; 42. a sewage discharge connecting pipe; 43. tubular microfiltration membranes; 44. a liquid inlet branch pipe; 45. a sewage discharge branch pipe; 46. a clean water connecting pipe; 47. and (5) separating the clear water into pipes.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a device is used in water treatment based on tubular microfiltration membrane, includes inlet member 1 and play liquid part 2, its characterized in that: the utility model provides a liquid inlet component 1 and go out liquid part 2 and correspond the setting, be provided with filter element 4 between liquid inlet component 1 and the liquid outlet component 2, filter element 4 has a plurality of, a plurality of filter element 4 distributes along the length direction equidistance of liquid inlet component 1, filter element 4's both ends are connected with liquid inlet component 1 and liquid outlet component 2 rotation respectively, be provided with mount 3 between the top of liquid inlet component 1 and mount 3, mount 3 has a plurality of, the both ends of a plurality of mount 3 respectively with the top of liquid inlet component 1 and the top fixed connection of liquid outlet component 2, the top and the top block of filter element 4 of mount 3 are connected.
Preferably, the liquid inlet component 1 comprises a first mounting frame 11, a liquid inlet main pipe 12 is fixedly connected to the inside of the first mounting frame 11, a first connecting mechanism 13 is fixedly communicated with the side wall of the liquid inlet main pipe 12, a plurality of first connecting mechanisms 13 are arranged, the first connecting mechanisms 13 are distributed at equal intervals along the length direction of the liquid inlet main pipe 12, and sewage to be treated is injected into the liquid inlet main pipe 12 during use, so that the sewage is filtered by being led into the filter component 4.
Preferably, the liquid outlet component 2 comprises a second installation frame 21, a sewage main 22 is fixedly connected to the inside of the second installation frame 21, a clear water main 23 is fixedly connected to one side of the second installation frame 21, a second connecting mechanism 24 is fixedly connected to one side of the side wall of the sewage main 22, a third connecting mechanism 25 is fixedly connected to the other side of the side wall of the sewage main 22, a plurality of second connecting mechanisms 24 and third connecting mechanisms 25 are arranged, the plurality of second connecting mechanisms 24 and third connecting mechanisms 25 are uniformly distributed along the length direction of the sewage main 22, a fourth connecting mechanism 26 is fixedly connected to the side wall of the clear water main 23, a plurality of fourth connecting mechanisms 26 are uniformly distributed along the length direction of the clear water main 23, sewage filtered by the filtering component 4 is converged in the inside of the sewage main 22 and discharged through the sewage main 22, and filtered clear water is converged in the inside of the clear water main 23 and discharged through the clear water main 23.
Preferably, the filtering component 4 comprises a liquid inlet connecting pipe 41 and a sewage discharging connecting pipe 42, one end of the liquid inlet connecting pipe 41 is rotationally connected with the liquid inlet main pipe 12 through a corresponding first connecting mechanism 13, one end of the sewage discharging connecting pipe 42 is rotationally connected with the sewage discharging main pipe 22 through a corresponding second connecting mechanism 24, a clear water connecting pipe 46 is arranged in the sewage discharging connecting pipe 42, one end of the clear water connecting pipe 46 penetrates through the sewage discharging main pipe 22, the clear water connecting pipe 46 is rotationally connected with the sewage discharging main pipe 22 through a corresponding third connecting mechanism 25, one end of the clear water connecting pipe 46 is rotationally connected with the clear water main pipe 23 through a corresponding fourth connecting mechanism 26, a plurality of tubular micro-filtration membranes 43 are arranged between the liquid inlet connecting pipe 41 and the sewage discharging connecting pipe 42, and the tubular micro-filtration membranes 43 are distributed from top to bottom at equal intervals, the both ends of tubular micro-filtration membrane 43 are threaded connection respectively and are had feed liquor to be in charge of 44 and blowdown be in charge of 45, the one end of feed liquor to be in charge of 44 and the one end of blowdown be in charge of 45 respectively with feed liquor connecting pipe 41 and blowdown connecting pipe 42's lateral wall fixed intercommunication, the bottom fixed intercommunication of tubular micro-filtration membrane 43 has clear water to be in charge of 47, the one end of clear water to be in charge of 47 runs through the lateral wall of blowdown connecting pipe 42 and the lateral wall fixed intercommunication of clear water connecting pipe 46, the inside sewage of entering feed liquor house steward 12 gets into inside tubular micro-filtration membrane 43 through feed liquor connecting pipe 41 and filters, the inside of sewage entering blowdown connecting pipe 42 after the filtration, the inside of clear water entering clear water connecting pipe 46, the bottom of blowdown connecting pipe 42 and clear water connecting pipe 46 is coaxial, the convenience is rotatory filter element 4 when maintaining.
Preferably, the first connecting mechanism 13, the second connecting mechanism 24, the third connecting mechanism 25 and the fourth connecting mechanism 26 have the same structure, the fourth connecting mechanism 26 comprises a cylinder 261, and a sealing bearing 262 is fixedly arranged in the cylinder 261 to ensure tightness.
Preferably, the fixing frame 3 comprises two corresponding support columns 31, the bottom ends of the two support columns 31 are fixedly connected with the top ends of the first installation frame 11 and the top ends of the second installation frame 21 respectively, the top ends of the two support columns 31 are hinged with connecting plates 32, a butt joint groove 33 is formed in one end of one connecting plate 32, a stud 34 is fixedly connected with one end of the other connecting plate 32, nuts are arranged at the tops of the studs 34, the two connecting plates 32 can be opened by unscrewing the nuts during maintenance, and then the filter component 4 corresponding to the rotary movement can be rotated.
Preferably, the bottom ends of the two connecting plates 32 are fixedly connected with pressing plates 35, and the two pressing plates 35 are respectively connected with corresponding liquid inlet branch pipes 44 and corresponding sewage discharge branch pipes 45 in a clamping manner, so that the function of fixing the filter component 4 is achieved, and the filter component 4 is prevented from rotating when in use.
The working principle and the using flow of the utility model are as follows: after the utility model is installed, the utility model is firstly checked for installation and fixation and safety protection, then the utility model can be used, in use, the water suction pump is connected with the liquid inlet main pipe 12, the water suction pump main body is placed in sewage to be treated, then the water suction pump is started, sewage enters the liquid inlet connecting pipe 41 through the water suction pump, then enters the inside of the tubular micro-filtration membrane 43 for filtration, the sewage filtered by the tubular micro-filtration membrane 43 is collected and discharged through the sewage outlet main pipe 22, the filtered clean water is discharged through the clean water main pipe 23, when the tubular micro-filtration membrane 43 is replaced, the two connecting plates 32 are opened by unscrewing corresponding nuts in maintenance, and as the liquid inlet connecting pipe 41 is rotationally connected with the liquid inlet main pipe 12 through the first connecting mechanism 13, the sewage outlet connecting pipe 42 is rotationally connected with the sewage outlet main pipe 22 through the second connecting mechanism 24, the clean water connecting pipe 46 is rotationally connected with the clean water main pipe 23 through the fourth connecting mechanism 26, the sewage outlet connecting pipe 42 and the bottom ends of the clean water connecting pipe 46 are coaxial, the two connecting plates 32 can be rotated and placed down after being opened, and the tubular micro-filtration membrane 43 at the middle position is convenient to replace.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a device is used in water treatment based on tubular microfiltration membrane, includes feed liquor part (1) and goes out liquid part (2), its characterized in that: the utility model discloses a liquid inlet component (1) and play liquid part (2) correspond the setting, be provided with filter element (4) between liquid inlet component (1) and liquid outlet component (2), filter element (4) have a plurality of, a plurality of filter element (4) are equidistant to be distributed along the length direction of liquid inlet component (1), the both ends of filter element (4) are connected with liquid inlet component (1) and liquid outlet component (2) rotation respectively, be provided with mount (3) between the top of liquid inlet component (1) and mount (3), mount (3) have a plurality of, a plurality of the both ends of mount (3) respectively with the top of liquid inlet component (1) and the top fixed connection of liquid outlet component (2), the top of mount (3) is connected with the top block of filter element (4).
2. The apparatus for water treatment based on a tube type micro-filtration membrane according to claim 1, wherein: the utility model provides a feed liquor part (1) is including first mounting bracket (11), the inside fixedly connected with feed liquor house steward (12) of first mounting bracket (11), the lateral wall of feed liquor house steward (12) is fixed to be linked together has first coupling mechanism (13), first coupling mechanism (13) have a plurality of, and a plurality of first coupling mechanism (13) are along the length direction equidistance distribution of feed liquor house steward (12).
3. The apparatus for water treatment based on a tube type micro-filtration membrane according to claim 2, wherein: the liquid outlet component (2) comprises a second mounting frame (21), a drain header pipe (22) is fixedly connected to the inside of the second mounting frame (21), a clear water header pipe (23) is fixedly connected to one side of the second mounting frame (21), a second connecting mechanism (24) is fixedly connected to one side of the side wall of the drain header pipe (22), a third connecting mechanism (25) is fixedly connected to the other side of the side wall of the drain header pipe (22), a plurality of second connecting mechanisms (24) and third connecting mechanisms (25) are all arranged, the second connecting mechanisms (24) and the third connecting mechanisms (25) are all distributed along the length direction of the drain header pipe (22) at equal intervals, a fourth connecting mechanism (26) is fixedly connected to the side wall of the clear water header pipe (23), and the fourth connecting mechanisms (26) are distributed along the length direction of the clear water header pipe (23) at equal intervals.
4. A tubular microfiltration membrane based water treatment device according to claim 3, wherein: the filtering component (4) comprises a liquid inlet connecting pipe (41) and a sewage discharging connecting pipe (42), one end of the liquid inlet connecting pipe (41) is rotationally connected with a liquid inlet main pipe (12) through a corresponding first connecting mechanism (13), one end of the sewage discharging connecting pipe (42) is rotationally connected with a sewage discharging main pipe (22) through a corresponding second connecting mechanism (24), a clear water connecting pipe (46) is arranged in the sewage discharging connecting pipe (42), one end of the clear water connecting pipe (46) penetrates through the sewage discharging main pipe (22), the clear water connecting pipe (46) is rotationally connected with the sewage discharging main pipe (22) through a corresponding third connecting mechanism (25), one end of the clear water connecting pipe (46) is rotationally connected with a clear water main pipe (23) through a corresponding fourth connecting mechanism (26), a plurality of tubular micro-filtration membranes (43) are arranged between the liquid inlet connecting pipe (41) and the sewage discharging connecting pipe (42), the tubular micro-filtration membranes (43) are distributed at equal intervals down, two ends of the tubular micro-filtration membranes (43) are respectively connected with a threaded part (44) and a part (45) of the side wall of the sewage discharging main pipe (45) from top to the side of the sewage discharging main pipe (42) respectively, the bottom of the tubular microfiltration membrane (43) is fixedly communicated with a clear water branch pipe (47), and one end of the clear water branch pipe (47) penetrates through the side wall of the sewage discharge connecting pipe (42) and is fixedly communicated with the side wall of the clear water connecting pipe (46).
5. The apparatus for water treatment based on a tube type micro-filtration membrane according to claim 4, wherein: the first connecting mechanism (13), the second connecting mechanism (24), the third connecting mechanism (25) and the fourth connecting mechanism (26) are identical in structure, the fourth connecting mechanism (26) comprises a cylinder (261), and a sealing bearing (262) is fixedly arranged in the cylinder (261).
6. The apparatus for water treatment based on a tube type micro-filtration membrane according to claim 5, wherein: the fixing frame (3) comprises two corresponding supporting columns (31), the bottom ends of the two supporting columns (31) are fixedly connected with the top ends of the first installation frame (11) and the top ends of the second installation frame (21) respectively, the top ends of the two supporting columns (31) are hinged with connecting plates (32), one connecting plate (32) is provided with a butt joint groove (33), the other connecting plate (32) is fixedly connected with a stud (34), and nuts are arranged at the tops of the studs (34).
7. The apparatus for water treatment based on a tube type micro-filtration membrane according to claim 6, wherein: the bottom ends of the two connecting plates (32) are fixedly connected with pressing plates (35), and the two pressing plates (35) are respectively connected with corresponding liquid inlet branch pipes (44) and corresponding sewage discharge branch pipes (45) in a clamping mode.
CN202223567330.8U 2022-12-30 2022-12-30 Device for water treatment based on tubular microfiltration membrane Active CN219079181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223567330.8U CN219079181U (en) 2022-12-30 2022-12-30 Device for water treatment based on tubular microfiltration membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223567330.8U CN219079181U (en) 2022-12-30 2022-12-30 Device for water treatment based on tubular microfiltration membrane

Publications (1)

Publication Number Publication Date
CN219079181U true CN219079181U (en) 2023-05-26

Family

ID=86399877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223567330.8U Active CN219079181U (en) 2022-12-30 2022-12-30 Device for water treatment based on tubular microfiltration membrane

Country Status (1)

Country Link
CN (1) CN219079181U (en)

Similar Documents

Publication Publication Date Title
CN116119860A (en) Efficient printing and dyeing wastewater multistage treatment device
CN219079181U (en) Device for water treatment based on tubular microfiltration membrane
CN210546645U (en) Part belt cleaning device is used in valve assembly
CN218871462U (en) Ultrafiltration reverse osmosis water treatment device
CN108862661A (en) A kind of water purification ultrafiltration apparatus
CN218485644U (en) Separating device for separating suspended matters in DMAC solution
CN210915575U (en) Reverse osmosis device of non-negative pressure pipe network water supply equipment
CN210193535U (en) Water treatment filtering membrane component
CN113321328B (en) Precipitation device based on milipore filter
CN106830197B (en) Method and equipment for treating heparin sodium production wastewater
CN217724766U (en) Filtering and water purifying treatment equipment
CN210480933U (en) Reverse osmosis equipment for drinking water treatment
CN104925901A (en) Sewage treatment device applying membrane technology
CN221131702U (en) Hollow fiber tangential flow filtration device for biological products
CN221182328U (en) Membrane filtration device with cleaning function
CN220657083U (en) Ultrafiltration device with leak-proof structure
CN220513851U (en) RO reverse osmosis membrane water purification treatment device
CN218860346U (en) Central purification ultrapure water device
CN219098943U (en) Tubular ultrafiltration membrane filter assembly
CN220558585U (en) Improve intestinal flora and regulate and control purifier for inulin processing of glycolipid metabolism
CN219098834U (en) RO reverse osmosis membrane water purification treatment device
CN216155548U (en) Nanofiltration membrane equipment for membrane-method sewage recovery
CN211486807U (en) Two-stage reverse osmosis industrial ultrapure water device
CN217287404U (en) Combined type water purification machine filter core
CN210237289U (en) Wastewater treatment equipment based on reverse osmosis technology

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant