CN216106207U - Intelligent MBR integrated sewage treatment equipment convenient to maintain - Google Patents
Intelligent MBR integrated sewage treatment equipment convenient to maintain Download PDFInfo
- Publication number
- CN216106207U CN216106207U CN202122930191.XU CN202122930191U CN216106207U CN 216106207 U CN216106207 U CN 216106207U CN 202122930191 U CN202122930191 U CN 202122930191U CN 216106207 U CN216106207 U CN 216106207U
- Authority
- CN
- China
- Prior art keywords
- main body
- sewage treatment
- plate
- fixedly connected
- wall
- 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
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000005192 partition Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 2
- 239000010802 sludge Substances 0.000 abstract description 26
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000010405 clearance mechanism Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses an intelligent MBR integrated sewage treatment device convenient to maintain, relating to the technical field of sewage treatment, and the technical scheme is as follows: the cleaning device comprises a main body mechanism, a top mechanism is installed at the top of the main body mechanism, a cleaning mechanism is installed on one side of the main body mechanism, the main body mechanism comprises a main body shell, a sewage treatment bin is arranged inside the main body shell, the cleaning mechanism comprises a push rod, a connecting rod is fixedly connected to the back of the push rod, the push rod is pushed to drive a sealing plate to slide in a movable groove, a fixing plate and the sealing plate are staggered to block a precipitation hole, the fixing plate is separated in the sewage treatment bin, a baffle is moved out of a connecting plate, then an electric telescopic rod is controlled to drive a cleaning scraper to push sludge accumulated under the fixing plate out of the connecting plate, and the cleaning device can clean the sludge under the operating state.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an intelligent MBR integrated sewage treatment device convenient to maintain.
Background
MBR sewage treatment is a common mode of modern sewage treatment, and adopts a membrane bioreactor technology which is a new technology combining a biological treatment technology and a membrane separation technology, replaces a secondary sedimentation tank in the traditional technology, can carry out solid-liquid separation efficiently to obtain directly used stable reclaimed water, can maintain high-concentration microbial biomass in a biological tank, has less process residual sludge, can effectively remove ammonia nitrogen, has nearly zero suspended matters and turbidity of effluent, can greatly remove bacteria and viruses in the effluent, and has low energy consumption and small occupied area.
Among the prior art, current intelligent MBR integration sewage treatment device uses a period of back, and the convergence has a large amount of mud to handle, but when clearing up the inside mud of equipment, needs to carry out the shut down with equipment, then just can clear up, influences the continuous processing of sewage to the sewage treatment efficiency of equipment has been reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide the intelligent MBR integrated sewage treatment equipment convenient to maintain, so as to solve the problem that when sludge in the equipment is cleaned in the prior art, the equipment needs to be stopped and then cleaned, the continuous treatment of sewage is influenced, and the sewage treatment efficiency of the equipment is reduced.
The technical purpose of the utility model is realized by the following technical scheme: the push rod is pushed to drive the sealing plate to slide in the movable groove, so that the fixed plate and the sealing plate are staggered to block the precipitation hole, the fixed plate is separated in the sewage treatment bin, the baffle plate is moved out of the connecting plate, and then the cleaning scraper is driven by controlling the electric telescopic rod to push and scrape sludge accumulated under the fixed plate out of the connecting plate, so that the sludge can be cleaned under the running state.
The utility model provides an intelligence MBR integration sewage treatment device convenient to maintain, includes main body mechanism, top mechanism is installed at main body mechanism's top, clearance mechanism is installed to one side of main body mechanism, main body mechanism includes main body cover, main body cover's inside is provided with the sewage treatment storehouse, clearance mechanism includes the push rod, the back fixedly connected with connecting rod of push rod, the back fixedly connected with closing plate of connecting rod, the outside of closing plate is provided with the fixed plate, the outer wall of fixed plate and the inner wall fixed connection in sewage treatment storehouse, the top of fixed plate is provided with the precipitation hole that runs through, the inside of fixed plate is provided with the movable groove, the inner wall of movable groove and the outer wall swing joint of closing plate.
By adopting the technical scheme, the utility model can clean sludge in an operating state, avoids the interruption of the operation of equipment and improves the sewage treatment efficiency.
Preferably, the inner wall of the sewage treatment bin is fixedly connected with a partition plate, the outer wall of the partition plate is fixedly provided with a water pump, one end of the water pump is provided with a water delivery pipe, and the inside of the sewage treatment bin is provided with an MBR (membrane bioreactor) membrane assembly.
By adopting the technical scheme, the inside of the sewage treatment bin is partitioned by the partition plates, so that sewage can be treated in various modes conveniently, and the areas partitioned by the partition plates can rapidly flow by the water pump.
Preferably, the front surface of the main body shell is fixedly connected with a connecting plate, the inside of the connecting plate is movably connected with a baffle, and one end of the baffle is fixedly connected with a fixing block.
By adopting the technical scheme, when sludge needs to be discharged, the baffle is pulled out to communicate the interior of the sewage treatment bin with the outside, so that subsequent sludge is discharged conveniently.
Preferably, the back fixedly connected with bottom plate of main body cover, the top fixed mounting of bottom plate has electric telescopic handle, electric telescopic handle's one end fixedly connected with clearance scraper blade, the setting of clearance scraper blade is in the below of fixed plate.
Through adopting above-mentioned technical scheme, setting up through electric telescopic handle makes can promote clearance scraper blade clearance mud voluntarily when mud clearance to manual operation has been saved.
Preferably, a limiting plate is arranged above the push rod, and the back surface of the limiting plate is fixedly connected with the outer wall of the main body shell.
Through adopting above-mentioned technical scheme, make the slip of push rod spacing through the limiting plate to the accuracy of closing plate shift position has been guaranteed.
Preferably, one end of the main body shell is connected with a water inlet pipe, and one end of the main body shell, far away from the water inlet pipe, is fixedly connected with a drain pipe.
By adopting the technical scheme, the sewage can be conveniently fed and discharged in the sewage treatment process through the water inlet pipe and the water discharge pipe.
In summary, the utility model mainly has the following beneficial effects:
through the arrangement of the sealing plate and the fixing plate, when sludge needs to be cleaned after the sludge cleaning machine is used for a period of time, an operator drives the sealing plate to slide in the movable groove by pushing the push rod, so that the fixing plate and the sealing plate are staggered to block a settling hole, the fixing plate is separated in the sewage treatment bin, the baffle plate is moved out of the connecting plate, and then the electric telescopic rod is controlled to drive the cleaning scraper to push and scrape sludge gathered under the fixing plate out of the connecting plate, thereby ensuring that the sludge cleaning machine can clean sludge in an operating state, improving the sewage treatment efficiency of the sludge cleaning machine, and through the arrangement of the front cover plate and the rear cover plate, when the sludge cleaning machine is maintained and checked, the operator can turn over the front cover plate by pulling the handle to partially open the top of the main shell, so as to check the inside of the main shell, when needs overhaul main body cover inside on a large scale, thereby can make under the drive of last hinge the back shroud continue to overturn and open main body cover top completely, overturn respectively through front shroud and back shroud, the person of being convenient for use overhauls more conveniently.
Drawings
FIG. 1 is a perspective oblique side schematic view of the present invention;
FIG. 2 is a perspective rear view schematic of the present invention;
FIG. 3 is a front cross-sectional view of the internal structure of the present invention;
figure 4 is a cross-sectional side view of a temple structure of the present invention.
Reference numerals: 1. a main body mechanism; 11. a main body housing; 12. a water inlet pipe; 13. a drain pipe; 14. a sewage treatment bin; 15. a partition plate; 16. a water pump; 17. a water delivery pipe; 18. an MBR membrane module; 2. a cleaning mechanism; 21. a connecting plate; 22. a baffle plate; 23. a fixed block; 24. an electric telescopic rod; 25. a push rod; 251. a sealing plate; 252. a limiting plate; 253. a connecting rod; 254. a fixing plate; 255. a sediment hole; 256. a movable groove; 26. a base plate; 27. cleaning a scraper; 3. a top mechanism; 31. a front cover plate; 32. an upper hinge; 33. a rear cover plate; 34. a rear hinge; 35. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, an intelligent MBR integrated sewage treatment device convenient for maintenance comprises a main body mechanism 1, a cleaning mechanism 2 and a top mechanism 3, wherein the top mechanism 3 is installed on the top of the main body mechanism 1, the cleaning mechanism 2 is arranged on one side of the main body mechanism 1, the main body mechanism 1 comprises a main body shell 11, a water inlet pipe 12, a water outlet pipe 13, a sewage treatment bin 14, a partition plate 15, a water pump 16, a water delivery pipe 17 and an MBR membrane module 18, the water inlet pipe 12 is connected to one end of the main body shell 11, the water outlet pipe 13 is connected to the other end of the main body shell 11, the water inlet pipe 12 and the water outlet pipe 13 are used for facilitating the entering and discharging of sewage in sewage treatment of the utility model, the sewage treatment bin 14 is arranged inside the main body shell 11, the partition plate 15 is fixedly connected to the inner wall of the sewage treatment bin 14, the water pump 16 is installed on one side of the partition plate 15, the partition plate 15 is used for carrying out regional separation on the inside of the sewage treatment bin 14, the utility model is convenient for carrying out a plurality of modes to treat sewage, the water pump 16 is utilized to enable the areas separated by the partition plates 15 to rapidly flow, the MBR membrane module 18 is arranged on the bottom surface of the inner wall of the sewage treatment bin 14, the water delivery pipe 17 is arranged at one end of the water pump 16, the cleaning mechanism 2 comprises a connecting plate 21, a baffle plate 22, a fixing block 23, an electric telescopic rod 24, a push rod 25, a bottom plate 26 and a cleaning scraper 27, the connecting plate 21 is connected on the front surface of the main body shell 11, the baffle plate 22 is movably connected inside the connecting plate 21, the fixing block 23 is connected at one end of the baffle plate 22, when the utility model needs to discharge sludge, the inside of the sewage treatment bin 14 is communicated with the outside through the connecting plate 21 and the baffle plate 22, the subsequent sludge is convenient to discharge, the bottom plate 26 is connected on the back surface of the main body shell 11, the electric telescopic rod 24 is arranged on the top of the bottom plate 26, the cleaning scraper 27 is arranged inside the sewage treatment bin 14, the back of the cleaning scraper 27 is fixedly connected with one end of the electric telescopic rod 24, a fixing plate 254 is arranged above the cleaning scraper 27, a settling hole 255 penetrates through the top of the fixing plate 254, a movable groove 256 is arranged inside the fixing plate 254, a sealing plate 251 is movably connected with the inner wall of the movable groove 256, one end of the sealing plate 251 is fixedly connected with a connecting rod 253, one end of the connecting rod 253 is fixedly connected with a push rod 25, a limiting plate 252 is arranged above the push rod 25, the limiting plate 252 is fixedly connected with the back of the main body shell 11, the sliding of the push rod 25 is limited through the limiting plate 252, so that the accuracy of the moving position of the sealing plate 251 is ensured, and in the sewage treatment process of the utility model, when the sludge treatment device needs to be cleaned after being used for a period of time, an operator pushes the push rod 25 to drive the sealing plate 251 to slide in the movable groove 256, so that the fixing plate 254 and the sealing plate 251 are staggered to block the settling hole 255, the fixing plate 254 is separated in the sewage treatment bin 14, the baffle plate 22 is removed from the connecting plate 21, and then the cleaning scraper 27 is driven by controlling the electric telescopic rod 24 to push the sludge accumulated under the fixing plate 254 out of the connecting plate 21, so that the sludge can be cleaned in the operating state of the device, and the sewage treatment efficiency of the device is improved.
Referring to fig. 1, the top mechanism 3 includes a front cover plate 31, an upper hinge 32 is connected to one end of the front cover plate 31, a rear cover plate 33 is connected to one side of the upper hinge 32, a rear hinge 34 is connected to one side of the rear cover plate 33 away from the upper hinge 32, a bottom end of the rear hinge 34 is connected to an outer wall of the top of the main body housing 11, a handle 35 is fixedly connected to a top of one end of the front cover plate 31 away from the upper hinge 32, and by the arrangement of the front cover plate 31 and the rear cover plate 33, when the maintenance and inspection of the present invention are performed, an operator can turn over the front cover plate 31 by pulling the handle 35 to partially open the top of the main body housing 11, so as to check the inside of the main body housing 11, and when the inside of the main body housing 11 needs to be extensively inspected, the rear cover plate 33 can be continuously turned over by being driven by the upper hinge 32 to completely open the top of the main body housing 11, and the front cover plate 31 and the rear cover plate 33 are respectively turned over, the maintenance is more conveniently carried out by a user.
The working principle is as follows: referring to fig. 1, 2, 3 and 4, in the process of sewage treatment, the sewage in the sewage treatment process of the utility model is conveniently fed and discharged through the water inlet pipe 12 and the water outlet pipe 13, sludge is settled at the fixing plate 254, the settled sludge is settled below the fixing plate 254 through the settling holes 255, when the utility model needs to clean the sludge after being used for a period of time, an operator pushes the push rod 25 to drive the sealing plate 251 to slide in the movable groove 256, so that the fixing plate 254 and the sealing plate 251 are staggered to block the settling holes 255, the fixing plate 254 is separated in the sewage treatment bin 14, the baffle plate 22 is removed from the connecting plate 21, then the cleaning scraper 27 is driven by controlling the electric telescopic rod 24 to push the sludge gathered under the fixing plate 254 out from the connecting plate 21, thereby ensuring that the utility model can clean the sludge in the operating state, when the sewage treatment device is used for maintenance and inspection, an operator can pull the handle 35 to turn the front cover plate 31 to partially open the top of the main body shell 11 so as to check the inside of the main body shell 11, when the inside of the main body shell 11 needs to be overhauled in a large range, the upper hinge 32 can drive the rear cover plate 33 to continuously turn over so as to completely open the top of the main body shell 11, and the front cover plate 31 and the rear cover plate 33 are respectively turned over, so that a user can conveniently overhaul.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)
1. The utility model provides an intelligence MBR integration sewage treatment device convenient to maintain, includes main body mechanism (1), its characterized in that: a top mechanism (3) is arranged at the top of the main body mechanism (1), a cleaning mechanism (2) is arranged at one side of the main body mechanism (1), the main body mechanism (1) comprises a main body shell (11), a sewage treatment bin (14) is arranged in the main body shell (11), the cleaning mechanism (2) comprises a push rod (25), the back of the push rod (25) is fixedly connected with a connecting rod (253), a sealing plate (251) is fixedly connected to the back of the connecting rod (253), a fixing plate (254) is arranged outside the sealing plate (251), the outer wall of the fixing plate (254) is fixedly connected with the inner wall of the sewage treatment bin (14), the top of the fixing plate (254) is provided with a through sedimentation hole (255), the fixing plate (254) is internally provided with a movable groove (256), the inner wall of the movable groove (256) is movably connected with the outer wall of the sealing plate (251).
2. The intelligent MBR-integrated sewage treatment device convenient to maintain according to claim 1, wherein: the sewage treatment device is characterized in that a partition plate (15) is fixedly connected to the inner wall of the sewage treatment bin (14), a water pump (16) is fixedly mounted on the outer wall of the partition plate (15), a water delivery pipe (17) is mounted at one end of the water pump (16), and an MBR (membrane bioreactor) assembly (18) is mounted inside the sewage treatment bin (14).
3. The intelligent MBR-integrated sewage treatment device convenient to maintain according to claim 1, wherein: the front face of the main body shell (11) is fixedly connected with a connecting plate (21), the inside of the connecting plate (21) is movably connected with a baffle (22), and one end of the baffle (22) is fixedly connected with a fixing block (23).
4. The intelligent MBR-integrated sewage treatment device convenient to maintain according to claim 1, wherein: the back fixedly connected with bottom plate (26) of main body cover (11), the top fixed mounting of bottom plate (26) has electric telescopic handle (24), the one end fixedly connected with clearance scraper blade (27) of electric telescopic handle (24), clearance scraper blade (27) set up the below at fixed plate (254).
5. The intelligent MBR-integrated sewage treatment device convenient to maintain according to claim 1, wherein: a limiting plate (252) is arranged above the push rod (25), and the back face of the limiting plate (252) is fixedly connected with the outer wall of the main body shell (11).
6. The intelligent MBR-integrated sewage treatment device convenient to maintain according to claim 1, wherein: one end of the main body shell (11) is connected with a water inlet pipe (12), and one end of the main body shell (11) far away from the water inlet pipe (12) is fixedly connected with a drain pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122930191.XU CN216106207U (en) | 2021-11-26 | 2021-11-26 | Intelligent MBR integrated sewage treatment equipment convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122930191.XU CN216106207U (en) | 2021-11-26 | 2021-11-26 | Intelligent MBR integrated sewage treatment equipment convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216106207U true CN216106207U (en) | 2022-03-22 |
Family
ID=80719202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122930191.XU Active CN216106207U (en) | 2021-11-26 | 2021-11-26 | Intelligent MBR integrated sewage treatment equipment convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216106207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573089A (en) * | 2022-04-07 | 2022-06-03 | 江苏中尧环保科技有限公司 | Device and method for treating high-concentration organic wastewater through catalytic oxidation at normal temperature and normal pressure |
-
2021
- 2021-11-26 CN CN202122930191.XU patent/CN216106207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573089A (en) * | 2022-04-07 | 2022-06-03 | 江苏中尧环保科技有限公司 | Device and method for treating high-concentration organic wastewater through catalytic oxidation at normal temperature and normal pressure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105152374A (en) | Automatic high-efficiency solid-liquid and oil-water separating, lifting, discharging and treating system for food waste | |
| CN208898640U (en) | A kind of small towns sewage treatment unit recycled | |
| CN216106207U (en) | Intelligent MBR integrated sewage treatment equipment convenient to maintain | |
| CN206308218U (en) | High-efficiency sewage treatment and purification groove | |
| CN207462730U (en) | A kind of boat form settlement of sewage processing unit | |
| CN211998986U (en) | Sludge discharge device for sewage treatment | |
| CN104499562A (en) | Environment-friendly excrement carbonization toilet | |
| CN204918195U (en) | Full -automatic food and beverage rubbish solid -liquid and water oil separating promote efficient handling of system of discharging | |
| CN219136381U (en) | Full-automatic sewage purifying tank | |
| CN216223092U (en) | Sediment desilting device for wastewater treatment | |
| CN212198946U (en) | Integration MBR membrane sewage treatment device | |
| CN211411104U (en) | Novel environmental protection sewage treatment device | |
| CN210313935U (en) | Advanced sewage sludge treatment device | |
| CN208641868U (en) | A kind of small ship type sedimentation tank device for treating sewage | |
| CN221500694U (en) | Self-cleaning air floatation treatment device | |
| CN222295187U (en) | A mobile toilet for treating waste | |
| CN219722028U (en) | Sewage treatment's supplementary mud treatment structure | |
| CN215781730U (en) | Sedimentation tank for sewage treatment | |
| CN220245713U (en) | Ore washing waste liquid treatment equipment | |
| CN220899616U (en) | Sedimentation tank for sewage purification | |
| CN216141326U (en) | To STREAMING MBR effluent treatment plant | |
| CN212631844U (en) | Environmental protection engineering is with greasy dirt processing apparatus of dismouting of being convenient for | |
| CN220098630U (en) | Air floatation device for kitchen waste treatment | |
| CN213416537U (en) | Organic waste water biochemical treatment device | |
| CN220413140U (en) | Dewatering device for sludge recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Binjiang Intelligent Equipment Enterprise Port 10 #, No. 90, Gangqu Middle Road, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: CHANGZHOU HUIHENG MEMBRANE TECHNOLOGY Co.,Ltd. Address before: 213000 Tenglong Road, Wujin Economic Development Zone, Changzhou, Jiangsu 2 Patentee before: CHANGZHOU HUIHENG MEMBRANE TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |