CN211302687U - Filtering membrane cleaning device - Google Patents
Filtering membrane cleaning device Download PDFInfo
- Publication number
- CN211302687U CN211302687U CN201921682913.0U CN201921682913U CN211302687U CN 211302687 U CN211302687 U CN 211302687U CN 201921682913 U CN201921682913 U CN 201921682913U CN 211302687 U CN211302687 U CN 211302687U
- Authority
- CN
- China
- Prior art keywords
- water
- concentrated water
- pipe
- branch pipes
- butt joint
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a filtration membrane cleaning device, including a plurality of groups cleaning unit, the water nest of tubes is produced in the left side, the water nest of tubes is produced in the right side, the concentrated water nest of tubes in left side, the concentrated water nest of tubes in right side, produce water flow detection group, concentrated water flow detection group, the water nest of tubes is produced in the left side includes left side product water drainage house steward, a plurality of left side branch pipes, the water nest of tubes is produced in the right side includes right side product water drainage house steward, a plurality of right side branch pipes, the concentrated water nest of tubes in left side includes left side concentrated water house steward, a plurality of left side concentrated water branch pipes, the communicating pipe both ends in left side of producing water flow detection group are connected with the entry end and the left side product water drainage house steward of producing water flow meter respectively, the both ends of right side communicating pipe are connected with the entry end and the right side product water drainage house steward of producing water flow meter respectively, the utility model discloses a left side, The left concentrated water main pipe group and the right concentrated water main pipe group, thereby realizing the cleaning of the filtering membrane.
Description
Technical Field
The utility model relates to a water purification treatment technical field especially relates to a filtration membrane belt cleaning device.
Background
The ultrafiltration is a sieving process using membrane separation technology, the pressure difference between two sides of the membrane is used as driving force, the filtering membrane is used as filtering medium, under a certain pressure, when the stock solution flows through the surface of the membrane, the micropores densely distributed on the surface of the filtering membrane only allow water and small molecular substances to pass through to form permeate liquid, and the substances with the volume larger than the micropore diameter on the surface of the membrane in the stock solution are intercepted on the liquid inlet side of the membrane to form concentrated solution, so that the purposes of purifying, separating and concentrating the stock solution are realized.
After the filtering membrane is used for a period of time, harmful substances such as intercepted bacteria, suspended matters, macromolecular organic matters, impurities and the like can be attached to the inner surface of the filtering membrane, so that the water yield of the filtering membrane is gradually reduced, particularly, when the water quality is seriously polluted, the blockage of the filtering membrane is more easily caused, and the water yield of the membrane can be effectively recovered by regularly washing the filtering membrane. Most of the existing filter membrane using systems have no cleaning function, and the filter membrane needs to be detached and cleaned independently, so that a set of independent cleaning equipment is needed.
Disclosure of Invention
There is a need for a filtration membrane cleaning apparatus.
A filtering membrane cleaning device comprises a plurality of groups of cleaning units, a left water producing pipe group, a right water producing pipe group, a left concentrated water main pipe group, a right concentrated water main pipe group, a water production flow detection group and a concentrated water flow detection group, wherein the cleaning units are sequentially arranged on a mounting rack, water production discharge ports are formed in the left end part and the right end part of each group of cleaning units, concentrated water ports are formed in the left end side wall and the right end side wall of each group of cleaning units, the left water producing pipe group comprises a left water producing discharge header pipe and a plurality of left side branch pipes, the left side branch pipes are respectively connected with the left water producing discharge ports of each group of cleaning units, the left water producing discharge header pipe is connected with the left side branch pipes, control valves are arranged on the left water producing discharge header pipe and the left side branch pipes, the right water producing pipe group comprises a right water producing discharge header pipe and a plurality of right side branch pipes, the right side branch pipes are respectively connected with the right side water production outlet of each group of cleaning units, the right side water production discharge header pipe is connected with the right side branch pipes, the right side water production discharge header pipe and the right side branch pipes are respectively provided with a control valve, the left side concentrated water header pipe group comprises a left side concentrated water header pipe and a left side concentrated water branch pipe, the left side concentrated water branch pipes are respectively connected with the left side concentrated water ports of each group of cleaning units, the left side concentrated water header pipe is connected with the left side concentrated water branch pipes, the left side concentrated water header pipe and the left side concentrated water branch pipes are respectively provided with a control valve, the right side concentrated water header pipe comprises a right side concentrated water header pipe and a right side concentrated water branch pipe, the right side concentrated water header pipe is respectively connected with the right side concentrated water ports of each group of cleaning units, the right side concentrated water header pipe is connected with the right side concentrated water branch pipes, and the right side concentrated water header pipe and the right side, the produced water flow detection group comprises a produced water flow instrument, a left communicating pipe, a right communicating pipe and a produced water discharge pipe, wherein the produced water flow instrument is fixed on the mounting frame, two ends of the left communicating pipe are respectively connected with an inlet end of the produced water flow instrument and a left produced water discharge header pipe to detect the flow of left produced water, two ends of the right communicating pipe are respectively connected with an inlet end of the produced water flow instrument and a right produced water discharge header pipe to detect the flow of right produced water, one end of the produced water discharge pipe is connected with an outlet end of the produced water flow instrument, the other end of the produced water discharge pipe discharges produced water, the concentrated water flow detection group comprises a concentrated water flow instrument, a left concentrated water communicating pipe, a right concentrated water communicating pipe and a concentrated water discharge pipe, the concentrated water flow instrument is fixed on the mounting frame, two ends of the left concentrated water communicating pipe are respectively connected with an inlet end of the concentrated water flow instrument and a left concentrated water discharge header pipe to detect the flow of left concentrated water, two ends of the right concentrated water communicating pipe are respectively One end of the concentrated water discharge pipe is connected with the outlet end of the concentrated water flowmeter, and the other end of the concentrated water discharge pipe discharges the concentrated water.
Preferably, the plurality of groups of cleaning units comprise a first cleaning unit, a second cleaning unit, a third cleaning unit, a fourth cleaning unit, a fifth cleaning unit and a sixth cleaning unit which have the same structure, the first cleaning unit comprises a membrane tube, a filtering membrane, a left end cover, a right end cover, a left butt joint tube and a right butt joint tube, the membrane tube is a hollow tube body with openings at two sides, the filtering membrane is placed in the membrane tube, the left end cover and the right end cover are respectively arranged at a left port and a right port of the membrane tube, water producing holes are respectively arranged on the left end cover and the right end cover to be respectively connected with a left branch tube of the left water producing tube group and a right branch tube of the right water producing tube group, water gaps are respectively arranged on a side wall of the membrane tube between the left end cover and the filtering membrane and on a side wall of the membrane tube between the right end cover and the filtering membrane tube to be connected with a left concentrated water branch tube and a right, the left side butt joint pipe and the right side butt joint pipe are hollow cylindrical short pipes with two open ends, one end of the left side butt joint pipe is in butt joint with a water producing hole of the left side end cover, the other end of the left side butt joint pipe is in butt joint with a water producing channel of the filtering membrane, one end of the right side butt joint pipe is in butt joint with the water producing hole of the right side end cover, and the other end of the right side butt joint pipe is in butt joint.
Preferably, the end of the left butt pipe extends into the left branch pipe to be butted against the left branch pipe, and the end of the right butt pipe extends into the right branch pipe to be butted against the right branch pipe.
Preferably, the produced water flow detection group comprises a produced water rough-measuring flow instrument and a produced water precise-measuring flow instrument which are arranged in parallel, and the concentrated water flow detection group comprises a concentrated water rough-measuring concentrated water flow instrument and a concentrated water precise-measuring concentrated water flow instrument which are arranged in parallel.
The utility model discloses in, for the left side that the cleaning unit has set up the symmetry produce water nest of tubes and right side and produce water nest of tubes, left side dense water nest of tubes and right side dense water nest of tubes to realize that the left and right sides switches the washing wantonly, through the washing liquid of the different concentrations of configuration and cost, realize that the physics to filtration membrane is clear and chemical cleaning.
Drawings
FIG. 1 is a left side view of the filtration membrane cleaning apparatus.
FIG. 2 is a front view of the filtering membrane cleaning apparatus.
Fig. 3 is an internal schematic view of the first cleaning unit.
FIG. 4 is a schematic view of a filter membrane.
Fig. 5 is a partially enlarged view of the sealing mechanism of fig. 3.
In the figure: the first cleaning unit 11, the membrane tube 111, the filtration membrane 112, the left end cover 113, the right end cover 114, the left butt pipe 115, the right butt pipe 116, the second cleaning unit 12, the third cleaning unit 13, the fourth cleaning unit 14, the fifth cleaning unit 15, the sixth cleaning unit 16, the left produced water discharge header 21, the left branch tube 22, the right produced water discharge header 31, the right branch tube 32, the left concentrated water header 41, the left concentrated water branch tube 42, the right concentrated water header 51, the right concentrated water branch tube 52, the produced water gross flow meter 61, the produced water gross flow meter 62, the left communication tube 63, the right communication tube 64, the produced water discharge tube 65, the concentrated water gross flow meter 71, the concentrated water gross flow meter 72, the left concentrated water 73, the right concentrated water communication tube 74, the concentrated water discharge tube 75, the inner flange 81, the gasket 82, the locking screw 83, and the locking nut 84.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1-5, the embodiment of the utility model provides a filtration membrane belt cleaning device, including a plurality of groups cleaning unit, left side product water nest of tubes, right side product water nest of tubes, left side dense water nest of tubes, right side dense water nest of tubes, product water flow detection group, dense water flow detection group, a plurality of groups cleaning unit places in proper order on the mounting bracket, sets up the product water discharge port in each group cleaning unit's left side tip and right side tip, sets up dense mouth of a river in each group cleaning unit's left end lateral wall and right-hand member lateral wall, left side product water nest of tubes includes left side product water drain header 21, a plurality of left side branch pipes 22, and a plurality of left side branch pipes 22 are connected with each group cleaning unit's left side product water discharge port respectively, and left side product water drain header 21 all is connected with a plurality of left side branch pipes 22, all sets up the control valve on left side product water drain header 21 and a plurality of left side branch pipes 22, right side product, A plurality of right side branch pipes 32, a plurality of right side branch pipes 32 are respectively connected with the right side produced water outlet of each group of cleaning units, a right side produced water outlet header pipe 31 is connected with a plurality of right side branch pipes 32, control valves are arranged on the right side produced water outlet header pipe 31 and the right side branch pipes 32, the left side concentrated water pipe group comprises a left side concentrated water pipe 41 and a plurality of left side concentrated water branch pipes 42, a plurality of left side concentrated water branch pipes 42 are respectively connected with the left side concentrated water inlet of each group of cleaning units, the left side concentrated water pipe 41 is connected with the left side concentrated water branch pipes 42, control valves are arranged on the left side concentrated water pipe 41 and the left side concentrated water branch pipes 42, the right side concentrated water pipe group comprises a right side concentrated water pipe 51 and a plurality of right side concentrated water branch pipes 52, a plurality of right side concentrated water branch pipes 52 are respectively connected with the right side concentrated water inlet of each group of cleaning units, control valves are arranged on the right concentrated water pipe 51 and the right concentrated water branch pipes 52, a produced water flow detection group comprises a produced water flow instrument, a left communicating pipe 63, a right communicating pipe 66 and a produced water discharge pipe 67, the produced water flow instrument is fixed on the mounting frame, two ends of the left communicating pipe 63 are respectively connected with an inlet end of the produced water flow instrument and the left produced water discharge header pipe 21 to detect the flow of left produced water, two ends of the right communicating pipe 66 are respectively connected with an inlet end of the produced water flow instrument and the right produced water discharge header pipe 31 to detect the flow of right produced water, one end of the produced water discharge pipe 67 is connected with an outlet end of the produced water flow instrument, the other end of the produced water discharge pipe discharges produced water, the concentrated water flow detection group comprises a concentrated water flow instrument, a left concentrated water communicating pipe 73, a right concentrated water communicating pipe 74 and a concentrated water discharge pipe 75, the concentrated water flow instrument is fixed on the mounting frame, two ends of the left concentrated water communicating pipe 73 are respectively connected with an inlet end of the concentrated water, to detect the flow rate of the left concentrated water, both ends of the right concentrated water communicating tube 74 are connected to the inlet end of the concentrated water flowmeter and the right concentrated water discharge header pipe, respectively, to detect the flow rate of the right concentrated water, and one end of the concentrated water discharge pipe 75 is connected to the outlet end of the concentrated water flowmeter and the other end discharges the concentrated water.
The utility model discloses in, for the left side that the cleaning unit has set up the symmetry produce water nest of tubes and right side and produce water nest of tubes, left side dense water nest of tubes and right side dense water nest of tubes to realize that the left and right sides switches the washing wantonly, through the washing liquid of the different concentrations of configuration and cost, realize the physics washing and the chemical cleaning to filtration membrane 112.
Further, the plurality of groups of cleaning units comprise a first cleaning unit 11, a second cleaning unit 12, a third cleaning unit 13, a fourth cleaning unit 14, a fifth cleaning unit 15 and a sixth cleaning unit 16 which have the same structure, the first cleaning unit 11 comprises a membrane tube 111, a filtering membrane 112, a left end cover 113, a right end cover 114, a left butt joint tube 115 and a right butt joint tube 116, the membrane tube 111 is a hollow tube body with openings at two sides, the filtering membrane 112 is placed inside the membrane tube 111, the left end cover 113 and the right end cover 114 are respectively arranged at a left port and a right port of the membrane tube 111, water generating holes are respectively arranged on the left end cover 113 and the right end cover 114 to be respectively connected with the left branch tube 22 of the left water generating tube group and the right branch tube 32 of the right water generating tube group, thick water ports are arranged on the side wall of the membrane tube 111 between the left end cover 113 and the filtering membrane 112 and the side wall of the membrane tube 111 between the right end cover 114 and the filtering membrane 112, so as to be connected with the left side concentrated water branch pipe 42 and the right side concentrated water branch pipe 52, the left side butt joint pipe 115 and the right side butt joint pipe 116 are hollow cylindrical short pipes with two open ends, one end of the left side butt joint pipe 115 is in butt joint with the water production hole of the left side end cover 113, the other end is in butt joint with the water production channel of the filtering membrane 112, one end of the right side butt joint pipe 116 is in butt joint with the water production hole of the right side end cover 114, and the other end is in butt joint with the water production channel of.
Further, the end of the left butt joint pipe 115 extends into the left leg 22 to be butted against the left leg 22, and the end of the right butt joint pipe 116 extends into the right leg 32 to be butted against the right leg 32.
Through longer left side butt joint pipe 115 and right side butt joint pipe 116, form the both ends support to filtration membrane 112 for filtration membrane 112 is unsettled in membrane pipe 111 inside, thereby guarantees the outlet water flow of dense mouth of a river.
Since the outlet flow of the concentrate outlet is fixed, whether the filtering membrane 112 is cleaned to the process requirement is reflected by detecting the outlet flow of the product outlet and the outlet flow of the concentrate outlet.
Further, the produced water flow detection set comprises a produced water rough-measuring flow instrument 61 and a produced water fine-measuring flow instrument 62 which are arranged in parallel, and the concentrated water flow detection set comprises a concentrated water rough-measuring concentrated water flow instrument 71 and a concentrated water fine-measuring concentrated water flow instrument 72 which are arranged in parallel.
Further, still set up sealing mechanism between left side end cover and right side end cover and the membrane tube, sealing mechanism includes inner flange 81, sealing washer 82, locking screw 83, lock nut 84, inner flange 81 is fixed to be set up on the membrane tube tip inner wall, and sealing washer 82 is fixed to be set up on inner flange 81's the outside lateral wall, sets up the screw hole on sealing washer 82 and inner flange 81, also sets up the screw hole on left side end cover and right side end cover, inside locking screw 83 screw hole screw in, locking nut 84 revolves in the tip of locking screw 83 to lock end cover and inner flange 81.
Further, the threaded holes on the inner flange 81 are non-through threaded holes, so that leakage between screws at the threaded holes of the inner flange 81 and the inner flange 81 is avoided.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. A filtering membrane cleaning device is characterized in that: the device comprises a plurality of groups of cleaning units, a left water producing pipe group, a right water producing pipe group, a left concentrated water main pipe group, a right concentrated water main pipe group, a water production flow detection group and a concentrated water flow detection group, wherein the cleaning units are sequentially arranged on a mounting rack, water production discharge ports are formed in the left end part and the right end part of each group of cleaning units, concentrated water ports are formed in the left end side wall and the right end side wall of each group of cleaning units, the left water producing pipe group comprises a left water production discharge header pipe and a plurality of left side branch pipes, the left side branch pipes are respectively connected with the left water production discharge ports of each group of cleaning units, the left water production discharge header pipe is connected with the left side branch pipes, control valves are respectively arranged on the left water production discharge header pipe and the left side branch pipes, the right water producing pipe group comprises a right water production discharge header pipe and a plurality of right side branch pipes, the right side branch pipes are respectively connected with the right water production, the right side water production discharge header pipe is connected with a plurality of right side branch pipes, control valves are arranged on the right side water production discharge header pipe and the right side branch pipes, the left side concentrated water header pipe group comprises a left side concentrated water header pipe and a plurality of left side concentrated water branch pipes, the left side concentrated water branch pipes are respectively connected with the left side concentrated water ports of each group of cleaning units, the left side concentrated water header pipe is connected with the left side concentrated water branch pipes, the control valves are arranged on the left side concentrated water header pipe and the left side concentrated water branch pipes, the right side concentrated water header pipe comprises a right side concentrated water header pipe and a plurality of right side concentrated water branch pipes, the right side concentrated water branch pipes are respectively connected with the right side concentrated water ports of each group of cleaning units, the right side concentrated water header pipe is connected with the right side concentrated water branch pipes, the right side concentrated water header pipe and the right side concentrated water branch pipes are respectively provided with control valves, and the water production flow detection group, The device comprises a right side communicating pipe and a produced water discharge pipe, wherein the produced water flowmeter is fixed on a mounting frame, two ends of the left side communicating pipe are respectively connected with an inlet end of the produced water flowmeter and a left side produced water discharge header pipe to detect the flow of left side produced water, two ends of the right side communicating pipe are respectively connected with an inlet end of the produced water flowmeter and a right side produced water discharge header pipe to detect the flow of right side produced water, one end of the produced water discharge pipe is connected with an outlet end of the produced water flowmeter, the other end of the produced water discharge pipe discharges produced water, a concentrated water flow detection group comprises a concentrated water flowmeter, a left side concentrated water communicating pipe, a right side concentrated water communicating pipe and a concentrated water discharge pipe, the concentrated water flowmeter is fixed on the mounting frame, two ends of the left side concentrated water communicating pipe are respectively connected with an inlet end of the concentrated water flowmeter and the left side concentrated water discharge header pipe to detect the flow of left side concentrated water, two ends of the right side concentrated water, one end of the concentrated water discharge pipe is connected with the outlet end of the concentrated water flowmeter, and the other end of the concentrated water discharge pipe discharges the concentrated water.
2. The filtration membrane cleaning apparatus according to claim 1, wherein: the cleaning units comprise a first cleaning unit, a second cleaning unit, a third cleaning unit, a fourth cleaning unit, a fifth cleaning unit and a sixth cleaning unit which have the same structure, the first cleaning unit comprises a membrane tube, a filtering membrane, a left end cover, a right end cover, a left butt joint tube and a right butt joint tube, the membrane tube is a hollow tube body with openings at two sides, the filtering membrane is placed in the membrane tube, the left end cover and the right end cover are respectively arranged at a left side port and a right side port of the membrane tube, water producing holes are respectively arranged on the left end cover and the right end cover to be respectively connected with a left side branch tube of the left water producing tube group and a right side branch tube of the right water producing tube group, thick water ports are respectively arranged on a side wall of the membrane tube between the left end cover and the filtering membrane and on a side wall of the membrane tube between the right end cover and the filtering membrane tube to be connected with the left side thick water branch tube, the left side butt joint pipe and the right side butt joint pipe are hollow cylindrical short pipes with two open ends, one end of the left side butt joint pipe is in butt joint with a water producing hole of the left side end cover, the other end of the left side butt joint pipe is in butt joint with a water producing channel of the filtering membrane, one end of the right side butt joint pipe is in butt joint with the water producing hole of the right side end cover, and the other end of the right side butt joint pipe is in butt joint.
3. The filtration membrane cleaning apparatus according to claim 2, wherein: the end of the left butt joint pipe extends into the left branch pipe to be in butt joint with the left branch pipe, and the end of the right butt joint pipe extends into the right branch pipe to be in butt joint with the right branch pipe.
4. The filtration membrane cleaning apparatus according to claim 2, wherein: the water production flow detection group comprises a water production rough measurement flow instrument and a water production precise measurement flow instrument which are arranged in parallel, and the concentrated water flow detection group comprises a concentrated water rough measurement concentrated water flow instrument and a concentrated water precise measurement concentrated water flow instrument which are arranged in parallel.
5. The filtration membrane cleaning apparatus according to claim 2, wherein: still set up sealing mechanism between left side end cover and right side end cover and the membrane tube, sealing mechanism includes inner flange, sealing washer, locking screw, lock nut, the inner flange is fixed to be set up on membrane tube tip inner wall, and the sealing washer is fixed to be set up on the outside lateral wall of inner flange, offers the screw hole on sealing washer and inner flange, also offers the screw hole on left side end cover and right side end cover, inside the locking screw in screw hole, lock nut revolves in the tip of locking screw to lock end cover and inner flange.
6. The filtration membrane cleaning apparatus according to claim 5, wherein: the threaded hole on the inner flange is a non-through threaded hole, so that leakage between the screw at the threaded hole of the inner flange and the inner flange is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682913.0U CN211302687U (en) | 2019-10-10 | 2019-10-10 | Filtering membrane cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682913.0U CN211302687U (en) | 2019-10-10 | 2019-10-10 | Filtering membrane cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211302687U true CN211302687U (en) | 2020-08-21 |
Family
ID=72076436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921682913.0U Expired - Fee Related CN211302687U (en) | 2019-10-10 | 2019-10-10 | Filtering membrane cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211302687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632420A (en) * | 2022-03-15 | 2022-06-17 | 华晋瑞海科技有限公司 | Concentrate stainless steel pot-type ultrafiltration system |
-
2019
- 2019-10-10 CN CN201921682913.0U patent/CN211302687U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632420A (en) * | 2022-03-15 | 2022-06-17 | 华晋瑞海科技有限公司 | Concentrate stainless steel pot-type ultrafiltration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8753509B2 (en) | Advanced filtration device for water and wastewater treatment | |
| CN101785973B (en) | Ultrafiltration and microfiltration membrane assembly for tubular composite membrane | |
| CN106823820B (en) | Integrated device for obtaining metal film operation and cleaning working condition parameters | |
| CN211302687U (en) | Filtering membrane cleaning device | |
| KR101559122B1 (en) | Membrane appratus for water treatment that is easily assembled and disassembled | |
| KR101364344B1 (en) | Filtering apparatus | |
| CN211636042U (en) | Adjustable section type reverse osmosis membrane detection system | |
| JP2013237040A (en) | Filtration device and filtration method | |
| JP2014024031A (en) | Membrane filtration apparatus | |
| CN212403567U (en) | Reverse osmosis membrane purifier | |
| CN210595635U (en) | Drinking water treatment device | |
| CN111111457A (en) | Adjustable section type reverse osmosis membrane detection system | |
| CN216377699U (en) | Full-automatic ultrafiltration equipment | |
| CN214829460U (en) | Medical wastewater treatment ceramic membrane ultrafiltration equipment | |
| CN114887488A (en) | Tubular polymer membrane separation device and membrane separation method thereof | |
| CN213790987U (en) | Suspended external pressure tube type ultra or micro filtration membrane component | |
| JPH07299482A (en) | Septic tank | |
| CN114890580A (en) | GTRO wisdom reverse osmosis membrane system | |
| JP5273935B2 (en) | Water collector | |
| RU117312U1 (en) | LIQUID FILTRATION APPARATUS | |
| KR101687386B1 (en) | Membrane filtration apparatus | |
| JPH10244262A (en) | Filtration method for wastewater | |
| JP2013212496A (en) | Hollow fiber membrane module | |
| CN206008496U (en) | A kind of ultrafilter membrane fracture of wire device for fast detecting | |
| CN214862569U (en) | Reverse osmosis off-line cleaning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20211010 |