CN213294964U - Single-stage water purification system and water purifier - Google Patents
Single-stage water purification system and water purifier Download PDFInfo
- Publication number
- CN213294964U CN213294964U CN202021441747.8U CN202021441747U CN213294964U CN 213294964 U CN213294964 U CN 213294964U CN 202021441747 U CN202021441747 U CN 202021441747U CN 213294964 U CN213294964 U CN 213294964U
- Authority
- CN
- China
- Prior art keywords
- water
- purification system
- membrane
- water purification
- layer
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 238000000746 purification Methods 0.000 title claims abstract description 38
- 239000012528 membrane Substances 0.000 claims abstract description 89
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract 4
- 230000003115 biocidal effect Effects 0.000 claims abstract 3
- 239000002131 composite material Substances 0.000 claims description 25
- 239000004744 fabric Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000001223 reverse osmosis Methods 0.000 claims description 10
- 238000001728 nano-filtration Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 5
- 230000003064 anti-oxidating effect Effects 0.000 claims description 5
- 239000012466 permeate Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000012465 retentate Substances 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 7
- 241000700605 Viruses Species 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000011162 core material Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000010287 polarization Effects 0.000 description 6
- 239000008213 purified water Substances 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a single-stage water purification system and purifier, wherein single-stage water purification system includes the unit of intaking, go out the water unit and connect the filtration membrane component between the unit of going out water and the unit of intaking, filtration membrane component includes a plurality of membrane subassemblies, the membrane subassembly includes compound three-layer graticule mesh of intaking, the thickness that this compound three-layer graticule mesh of intaking is 21 ~ 50mil, this compound three-layer graticule mesh inlayer of intaking is the cotton fibre of PP, and set up the antibacterial coating in the cotton fibre both sides of PP, its antibacterial coating's thickness is 100 ~ 2000nm, this antibacterial coating has good antibiotic function that disinfects, can effectively kill and restrain the microorganism of aquatic, harmful substance such as bacterium and virus bacterium. The utility model discloses a single-stage water purification system's purifier does not have unnecessary processing step, and simple structure reduces water secondary pollution's possibility by a wide margin.
Description
Technical Field
The utility model relates to a purifier field, in particular to single-stage water purification system and purifier.
Background
The water purification system of the traditional water purifier generally comprises a pretreatment filter element, a booster pump, a reverse osmosis membrane or a nanofiltration membrane filter element and a water outlet terminal. Wherein reverse osmosis membrane or receive and strain the membrane filter core and handle the filter core for the core, receive traditional reverse osmosis membrane that this core filter core adopted or receive the membrane material not enough on the antipollution, resistance chlorine corrosion performance, traditional purifier water purification system has used the preliminary treatment step, the preliminary treatment filter core generally is the cotton filter core of PP and active carbon filter core, the cotton filter core of PP is used for getting rid of aquatic impurity such as large granule suspended solid to the material surface's of core filter core pollution, and the active carbon filter core is used for adsorbing the oxidative decomposition effect of getting rid of aquatic chlorine residue to traditional reverse osmosis membrane or receive the filter membrane. In order to make the service life and the treatment effect of the core reverse osmosis or nanofiltration membrane filter element optimal, some water purifier systems adopt more complicated pretreatment steps, and one-stage or even multi-stage pretreatment steps such as ultrafiltration membrane filter elements are added on the basis of common PP cotton filter elements and activated carbon filter elements. The above two-stage or even multi-stage pretreatment filter elements not only increase the cost of the water purifier greatly, but also change the multi-stage filter elements frequently to directly influence the user experience, and the most important is that: the materials used by the multi-stage filter element, the pipeline joints for connecting the multi-stage filter element and the accumulated water remained in each stage of pretreatment filter element easily cause secondary pollution of purified water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned defect among the prior art, provide a single-stage water purification system and purifier, this purifier net of intaking adopts compound three layer construction to reduce the purifier and filter the progression, make water purification system do not have unnecessary processing step, its simple structure reduces water secondary pollution's possibility by a wide margin.
In order to realize the utility model purpose, on the one hand, the utility model provides a single-stage water purification system, it includes into water unit, goes out water unit and connects go out water unit with filtration membrane element between the unit of intaking, filtration membrane element includes a plurality of membrane modules, the membrane module includes compound three-layer graticule mesh of intaking, the thickness of compound three-layer graticule mesh of intaking is 21 ~ 50 mils.
Further, the inner layer of the composite three-layer water inlet grid is made of PP cotton fibers and antibacterial coatings 3111 and 3112 arranged on two sides of the PP cotton fibers, and the thicknesses of the antibacterial coatings 3111 and 3112 are 100-2000 nm; the antibacterial coatings 3111 and 3112 are made of nano zinc oxide powder, nano silver powder, nano copper powder and the like, have good sterilization and antibacterial functions, and can effectively kill and inhibit harmful substances such as microorganisms, bacteria, virus bacteria and the like in water.
Furthermore, the membrane module also comprises a water production flow guide cloth and a membrane arranged between the water production flow guide cloth and the composite three-layer water inlet grid.
Furthermore, the diaphragm is arranged in a folding mode, the water production flow guide cloth is tightly attached to the folding inner side of the diaphragm, and the composite three-layer water inlet grid is tightly attached to the folding outer side of the diaphragm.
Furthermore, the membrane is made of a novel anti-pollution and anti-oxidation reverse osmosis membrane or a novel nano-filtration membrane.
Furthermore, the filter membrane element also comprises a central core tube, a shell sleeved outside the central core tube and sealing cover pieces arranged at two ends of the shell and matched with the central core tube, and the membrane assembly is arranged between the central core tube and the shell.
Further, the filtering membrane element comprises an inlet end, the water inlet unit comprises a water inlet connected with a water source to be treated, and the inlet end is communicated with the water inlet.
Further, filtration membrane element includes infiltration side exit end and retentate side exit end, the play water unit includes water purification mouth and dense mouth of a river, infiltration side exit end with water purification mouth intercommunication, retentate side exit end with dense mouth of a river intercommunication.
Further, the water purifying port is provided with a water storage device.
Further, the concentrated water port is provided with a waste water ratio regulating valve.
On the other hand, the utility model also provides a single-stage water purification system, it includes into water unit, goes out water unit and connects go out water unit with filtration membrane element between the unit of intaking, filtration membrane element includes a plurality of membrane modules, the membrane module includes that compound three-layer is intake the graticule mesh, is produced water conservancy diversion cloth and sets up produce water conservancy diversion cloth and compound three-layer diaphragm between the graticule mesh of intaking, the thickness of compound three-layer grid of intaking is 10 ~ 28mil, the thickness of producing water conservancy diversion cloth is 8 ~ 21 mil.
On the other hand, the utility model also provides a single-stage purifier of having foretell single-stage water purification system.
Compared with the prior art, the utility model discloses the advantage lies in:
the single-stage water purification system of the utility model eliminates the preposed processing steps in the traditional water purification system, has simple structure and no redundant processing steps, and greatly reduces the possibility of secondary water pollution; in one embodiment, a composite three-layer water inlet grid with the thickness of 21-50 mil is adopted, and the thickness of the composite three-layer water inlet grid is increased, so that the turbulence effect of water inlet is effectively enhanced, the concentration polarization of the membrane is reduced to the maximum extent, the membrane pollution burden caused by removal of a pre-treatment step is reduced, and the membrane pollution is delayed. The antibacterial coating of the composite three-layer water inlet grid is nano zinc oxide powder, nano silver powder, nano copper powder and the like, has a good sterilization and antibacterial function, and can effectively kill and inhibit harmful substances such as microorganisms, bacteria, virus bacteria and the like in water.
Furthermore, in another embodiment, a composite three-layer water inlet grid with the thickness of 10-28 mil and a water production guide cloth with the thickness of 8-21 mil are adopted, so that the effective area of the membrane is increased to the maximum extent, the thickness of the composite three-layer water inlet grid is increased, the turbulence effect of inlet water is effectively enhanced, the concentration polarization of the membrane is reduced to the maximum extent, the membrane pollution burden caused by removing a pre-treatment step is reduced, and the membrane pollution is delayed;
furthermore, a novel anti-pollution and anti-oxidation reverse osmosis membrane or a novel nano-filtration membrane is adopted to replace a common filter element, so that the performances of pollution resistance, chlorine corrosion resistance and the like of the water purification system are enhanced.
The utility model discloses a single-stage purifier has got rid of leading processing step in the traditional purifier, saves the material cost of multistage preliminary treatment and aftertreatment to thereby reduced the cost of machine structure complexity by a wide margin reduction machine accessory. The single-stage water purifier is convenient to maintain, only the filter membrane elements need to be replaced regularly, and a plurality of pretreatment and post-treatment filter element materials do not need to be replaced frequently like the traditional water purifier.
Drawings
Fig. 1 is a schematic structural diagram of a single-stage water purification system of the present invention.
Fig. 2 is a schematic structural diagram of a filter membrane element of the present invention.
Fig. 3 is a schematic view of the three-layer composite water inlet grid of the present invention.
Fig. 4 is a schematic view of the three-layer cross section structure of the three-layer composite water inlet grid of the present invention.
Detailed Description
The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.
As shown in fig. 1, a single-stage water purification system according to a preferred embodiment of the present invention includes a water inlet unit, a water outlet unit 2, and a filtering membrane element 3 connected between the water outlet unit 2 and the water inlet unit.
Wherein, the water inlet unit includes the water inlet 11 that links to each other with the water source of treating, and the water source of treating includes but not limited to running water, bottled water, simple and easy water storage device etc.. The water outlet unit 2 comprises a water purifying port 21 and a water concentrating port 22, and the purified water which is treated by the filter membrane element 3 and permeates through the filter membrane element 3 and the concentrated water which does not permeate through the filter membrane element 3 respectively enter the water purifying port 21 and the water concentrating port 22 through pipelines. The purified water can be directly collected if the flow rate meets the use requirement, or a water storage device 23 is arranged at the water purification port 21, the purified water is collected after being transitionally collected by the water storage device 23, and the water storage device 23 is preferably a pressure barrel; the concentrated water port 22 is provided with a waste water ratio regulating valve 24, so that concentrated water can be conveniently and directly discharged into a sewer pipeline or recycled for reprocessing or cleaning and the like. The filter membrane element 3 comprises an inlet end 35 communicating with the water inlet 11, a permeate side outlet end 36 communicating with the water clean port 21 and a retentate side outlet end 37 communicating with the concentrate port 22.
As shown in fig. 2 to 4, the structure of the filter membrane element 3 preferably includes a central core tube 32, a housing 33 fitted around the central core tube 32, sealing caps 34 provided at both ends of the housing 33 and fitted to the central core tube 32, and a membrane module 31 provided between the central core tube 32 and the housing 33. The membrane assembly 31 comprises a water production flow guide cloth 312, a composite three-layer water inlet grid 311 and a membrane 313 arranged between the water production flow guide cloth 312 and the composite three-layer water inlet grid 311; the preferred setting mode is as follows: the membrane 313 is folded, the water-producing flow guide cloth 312 is tightly attached to the folding inner side of the membrane 313, and the composite three-layer water inlet grid 311 is tightly attached to the folding outer side of the membrane 313. In one embodiment of the water-permeable membrane, the thickness of the composite three-layer water inlet grid 311 is preferably 21-50 mil, so that the turbulence effect of inlet water can be effectively enhanced, the concentration polarization of the membrane can be reduced to the maximum extent, and the pollution of the membrane can be delayed. The inner layer of the composite three-layer water inlet grid is made of PP cotton fibers and antibacterial coatings 3111 and 3112 arranged on two sides of the PP cotton fibers, and the thicknesses of the antibacterial coatings 3111 and 3112 are 100-2000 nm; the antibacterial coatings 3111 and 3112 are made of nano zinc oxide powder, nano silver powder, nano copper powder and the like, have good antibacterial and bactericidal functions, and can effectively kill and inhibit harmful substances such as microorganisms, bacteria, virus bacteria and the like in water. In another embodiment, the thickness of the composite three-layer water inlet grid is preferably 10-28 mils, the thickness of the water-producing flow guide cloth is preferably 8-21 mils, the effective area of the membrane is increased to the maximum extent, and meanwhile, the turbulence effect of water inlet is effectively enhanced, so that the concentration polarization of the membrane is reduced to the maximum extent. The membrane 313 is preferably made of a novel anti-pollution and anti-oxidation reverse osmosis membrane or a nanofiltration membrane to enhance the purification capability of the water purification system.
A water source to be treated directly enters a filtering membrane element 3 for treatment, and purified water obtained after treatment by the filtering membrane element 3 can be directly collected if the flow rate meets the use requirement, or collected after transitional collection by a water storage device 23; the concentrated water obtained after the treatment of the filter membrane is directly discharged into a sewer pipeline or recycled for reprocessing or cleaning and the like through a waste water ratio regulating valve 24.
The utility model discloses a single-stage water purification system has improved the cotton as leading processing step of PP among the traditional water purification system, through replacing current individual layer net for compound three layer construction, and this novel multilayer net adopts compound three layer construction to adopt different coatings to this compound three layer construction, realize the efficient and get rid of the function of aquatic impurity and water purification quality. The system has simple structure and no redundant treatment steps, and greatly reduces the possibility of secondary pollution of purified water; in one embodiment, a composite three-layer water inlet grid with the thickness of 21-50 mil is adopted, and the thickness of the composite three-layer water inlet grid is increased, so that the turbulence effect of water inlet is effectively enhanced, the concentration polarization of the membrane is reduced to the maximum extent, the membrane pollution burden caused by removing a pre-treatment step is reduced, and the membrane pollution is delayed; in another embodiment, a composite three-layer water inlet grid with the thickness of 10-28 mil is adopted, the thickness of the water production guide cloth is 8-21 mil, the effective area of the membrane is increased to the maximum extent, the thickness of the composite three-layer water inlet grid is increased, the turbulence effect of inlet water is effectively enhanced, the concentration polarization of the membrane is reduced to the maximum extent, the membrane pollution burden caused by removing a pre-treatment step is reduced, and the membrane pollution is delayed; furthermore, a novel anti-pollution and anti-oxidation reverse osmosis membrane or a novel nano-filtration membrane is adopted to replace a common filter element, so that the performances of pollution resistance, chlorine corrosion resistance and the like of the water purification system are enhanced; meanwhile, the composite three-layer water inlet grid adopts PP cotton fiber in the middle and nanometer zinc oxide powder, nanometer silver powder, nanometer copper powder and the like on the outer layer, so that the antibacterial coating has a good sterilization and antibacterial function and can effectively kill and inhibit harmful substances such as microorganisms, bacteria, virus bacteria and the like in water. Such compound three-layer grid structure of intaking still can prevent water in purifying and filtering process, the secondary pollution that appears, further improves this single-stage water purification system's filtration efficiency.
Furthermore, the system adopts a waste water ratio regulating valve, the pressure of the concentrated water port can be effectively reduced, convenience is provided for concentrated water collection and secondary treatment, and the pressure is stabilized by controlling the discharge amount of the concentrated water, so that the pressure required by water separation in the filtering membrane element is ensured, and the water yield of the system is improved. The utility model discloses a single-stage purifier has got rid of the leading processing step in the traditional purifier, saves the material cost of multistage preliminary treatment and aftertreatment to thereby reduced the complexity of machine structure and system and reduced the cost of machine accessory by a wide margin. This single-stage purifier maintains the convenience, only needs regularly to change the filter membrane element, need not to change a plurality of preliminary treatment and aftertreatment filter core material like traditional purifier frequently.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A single-stage water purification system comprising a water inlet unit, a water outlet unit (2) and a filter membrane element (3) connected between the water outlet unit (2) and the water inlet unit, characterized in that: the filtering membrane element (3) comprises a plurality of membrane assemblies (31), each membrane assembly (31) comprises a composite three-layer water inlet grid (311), and the thickness of each composite three-layer water inlet grid (311) is 21-50 mil; compound three-layer graticule mesh inlayer of intaking is the cotton fibre of PP to and set up antibiotic coating (3111, 3112) at the cotton fibre both sides of PP, antibiotic coating (3111, 3112)'s thickness is 100 ~ 2000 nm.
2. The single stage water purification system of claim 1, wherein: the membrane component (31) also comprises a water production flow guide cloth (312) and a membrane (313) arranged between the water production flow guide cloth (312) and the composite three-layer water inlet grid (311); the antibacterial coatings (3111, 3112) are nano zinc oxide powder, nano silver powder and nano copper powder.
3. The single stage water purification system of claim 2, wherein: the diaphragm (313) is arranged in a folding mode, the water production diversion cloth (312) is tightly attached to the folding inner side of the diaphragm (313), and the composite three-layer water inlet grid net (311) is tightly attached to the folding outer side of the diaphragm (313).
4. The single stage water purification system of claim 2 or 3, wherein: the membrane (313) is made of a novel anti-pollution and anti-oxidation reverse osmosis membrane or a novel nano-filtration membrane.
5. The single-stage water purification system of any one of claims 1 to 3, wherein: the filter membrane element (3) further comprises a central core tube (32), a shell (33) sleeved outside the central core tube (32) and sealing cover pieces (34) arranged at two ends of the shell (33) and matched with the central core tube (32), and the membrane assembly (31) is arranged between the central core tube (32) and the shell (33).
6. The single-stage water purification system of any one of claims 1 to 3, wherein: the filter membrane element (3) comprises an inlet end (35), the water inlet unit comprises a water inlet (11) connected with a water source to be treated, and the inlet end (35) is communicated with the water inlet (11).
7. The single-stage water purification system of any one of claims 1 to 3, wherein: the filter membrane element (3) comprises a permeate side outlet end (36) and a retentate side outlet end (37), the water outlet unit (2) comprises a water purifying port (21) and a water concentrating port (22), the permeate side outlet end (36) is communicated with the water purifying port (21), and the retentate side outlet end (37) is communicated with the water concentrating port (22).
8. The single stage water purification system of claim 7, wherein: the water purifying port (21) is provided with a water storage device (23), and the thick water port (22) is provided with a waste water ratio regulating valve (24).
9. The single stage water purification system of claim 2, wherein: the thickness of compound three-layer grid (311) of intaking is 10 ~ 28 mils, the thickness of producing water conservancy diversion cloth (312) is 8 ~ 21 mils.
10. A single-stage water purifier is characterized in that: comprising a single stage water purification system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021441747.8U CN213294964U (en) | 2020-07-21 | 2020-07-21 | Single-stage water purification system and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021441747.8U CN213294964U (en) | 2020-07-21 | 2020-07-21 | Single-stage water purification system and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213294964U true CN213294964U (en) | 2021-05-28 |
Family
ID=76020681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021441747.8U Active CN213294964U (en) | 2020-07-21 | 2020-07-21 | Single-stage water purification system and water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213294964U (en) |
-
2020
- 2020-07-21 CN CN202021441747.8U patent/CN213294964U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211886278U (en) | Compound filter element group spare and water purification system | |
| CN108217844A (en) | A kind of water purification machine is positive and negative to rinse membranous system and control method | |
| CN201284277Y (en) | Small-sized water purifying appliance | |
| CN213294964U (en) | Single-stage water purification system and water purifier | |
| CN103446890A (en) | Flushable external pressure type ultrafiltration filter core assembly, and flushing method and water purifier thereof | |
| CN206142935U (en) | Water -saving type water purifier | |
| CN202610062U (en) | Household water purifying machine | |
| WO2020122642A1 (en) | Integrated composite filter module for water purifier | |
| CN213202568U (en) | Single-stage water purifier and single-stage water purification system thereof | |
| CN115385419A (en) | Reverse osmosis membrane device with multiple filter cavities | |
| CN210457726U (en) | Water purifying device | |
| CN213294885U (en) | Single-stage water purification system with novel grid runners and single-stage water purifier thereof | |
| CN212315795U (en) | Composite filter element and water treatment equipment with same | |
| CN114477374A (en) | Water purification system and control method thereof | |
| CN106315901A (en) | Water-saving type water purifier | |
| CN210656213U (en) | Water purification system and water purification unit | |
| CN220131958U (en) | Hierarchical formula sea water desalination ro membrane system | |
| CN211813793U (en) | Pollution-resistant large-flux external pressure ultrafiltration membrane | |
| CN213294795U (en) | Water purification RO membrane | |
| CN202164178U (en) | Domestic water purifying device | |
| CN213388070U (en) | RO reverse osmosis water purification machine | |
| CN214270444U (en) | Internet of things water purifier convenient for internal cleaning | |
| CN215712123U (en) | Water purification unit and filtration system thereof | |
| CN213012267U (en) | Double-water-quality water purifier for producing purified water and strontium mineral water | |
| CN103446888A (en) | Flushable external pressure type ultrafiltration filter core assembly and water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou ronghua Leasing Co.,Ltd. Assignor: Suzhou Puxi Environmental Protection Technology Co.,Ltd. Contract record no.: X2021320010040 Denomination of utility model: A single-stage water purification system and water purifier Granted publication date: 20210528 License type: Exclusive License Record date: 20211119 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A single-stage water purification system and water purifier Effective date of registration: 20211119 Granted publication date: 20210528 Pledgee: Suzhou ronghua Leasing Co.,Ltd. Pledgor: Suzhou Puxi Environmental Protection Technology Co.,Ltd. Registration number: Y2021320010482 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Suzhou ronghua Leasing Co.,Ltd. Assignor: Suzhou Puxi Environmental Protection Technology Co.,Ltd. Contract record no.: X2021320010040 Date of cancellation: 20240421 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20240419 Registration number: Y2021320010482 Pledgee after: Suzhou Heyu Finance Leasing Co.,Ltd. Pledgee before: Suzhou ronghua Leasing Co.,Ltd. |
|
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210528 Pledgee: Suzhou Heyu Finance Leasing Co.,Ltd. Pledgor: Suzhou Puxi Environmental Protection Technology Co.,Ltd. Registration number: Y2021320010482 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |