CN112479443A - Ultrafiltration composite filter element - Google Patents
Ultrafiltration composite filter element Download PDFInfo
- Publication number
- CN112479443A CN112479443A CN202011569126.2A CN202011569126A CN112479443A CN 112479443 A CN112479443 A CN 112479443A CN 202011569126 A CN202011569126 A CN 202011569126A CN 112479443 A CN112479443 A CN 112479443A
- Authority
- CN
- China
- Prior art keywords
- filter element
- filter screen
- filter
- element shell
- top cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 37
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000011499 joint compound Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides an ultrafiltration composite filter element, which relates to the technical field of filter elements and comprises a filter element shell, wherein an upper top cover and a lower bottom cover are respectively arranged at the upper end and the lower end of the filter element shell, a water inlet is formed in the upper top cover, a water outlet is formed in the lower bottom cover, a non-woven fabric layer is arranged in the filter element shell close to the upper top cover, an activated carbon layer is arranged below the non-woven fabric layer, an acid filter screen and an alkaline filter screen are arranged below the activated carbon layer, a precise filter screen is arranged below the alkaline filter screen, and an ultrafiltration membrane is horizontally arranged below the precise filter screen. According to the invention, the upper top cover, the lower bottom cover and the filter element shell are arranged, so that the whole device is convenient to assemble and disassemble, the internal filter assembly is convenient to take out, the replacement and the cleaning are convenient, the water quality detector can detect the quality of the filtered water and display the detection result on the display, and the whole device is simple in structure, convenient to install and disassemble, capable of rapidly replacing and cleaning the internal filter assembly and capable of ensuring a good filtering effect.
Description
Technical Field
The invention relates to the technical field of filter elements, in particular to an ultrafiltration composite filter element.
Background
The composite filter element scientifically integrates one or more filter elements with independent functions on one filter element according to needs, plays the role of the filter element simultaneously, has high filtering efficiency, has complementary advantages of different filtering functions, enables the applicable environment to be wider, is particularly suitable for liquid with complex water quality environment, has low filtering cost, uses less materials for manufacturing, requires less matched equipment during use, and saves space and time during use.
At present, the service lives of multistage filter elements in the composite filter element are inconsistent, the filter element which needs to be replaced by a consumer is more than three to five stages, the filter element needs to be frequently purchased and needs to be replaced by professional installation personnel, the experience of the consumer is poor, and the comprehensive cost is high. In the prior art related to water purification, when an ultrafiltration water purification filter element provided with a multistage filter element works actually, the problems of easy blockage, flattened membrane filaments, short service life and the like of the ultrafiltration filter element inside the filter element exist.
Disclosure of Invention
The invention aims to provide an ultrafiltration composite filter element to solve the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme: an ultrafiltration composite filter element comprises a filter element shell, wherein the upper end and the lower end of the filter element shell are respectively provided with an upper top cover and a lower bottom cover, the upper top cover is provided with a water inlet, the lower bottom cover is provided with a water outlet, the inner part of the filter element shell is provided with a non-woven fabric layer close to the upper top cover, the non-woven fabric layer and the inner wall of the filter element shell are detachably arranged, an activated carbon layer is arranged below the non-woven fabric layer, an acid filter screen and an alkaline filter screen are arranged below the activated carbon layer, the acid filter screen is positioned above the alkaline filter screen, a precise filter screen is arranged below the alkaline filter screen, an ultrafiltration membrane is horizontally arranged below the precise filter screen, the water quality detector is installed to the below that lies in the milipore filter on the inside wall of filter element shell, fixed mounting has the display on the outside wall of filter element shell, and display and water quality detector electric connection.
Preferably, the upper top cover and the lower bottom cover are detachably mounted with the filter element shell.
Preferably, the activated carbon layer is including the barrel, the top cap is installed through the pivot rotation in the upper end of barrel, and a side position that the pivot was kept away from to the top cap is provided with the fixed plate, and is fixed through fixing bolt between fixed plate and the barrel upper end, and the bottom of top cap and barrel evenly is provided with a plurality of holes, activated carbon particle is equipped with in the inside of barrel.
Preferably, the inner side wall of the filter element shell is fixedly provided with a limiting block, and the limiting block is positioned below the activated carbon layer.
Preferably, the water quality detector is capable of detecting the content of each substance in the water and displaying the monitoring data on a display.
Preferably, acid filter screen, basicity filter screen, precision filter screen and milipore filter are all installed in the inside of fixed lantern ring, be provided with the rectangular channel with acid filter screen, basicity filter screen, precision filter screen and milipore filter same position on the filter element shell, and the outside of rectangular channel is rotated and is installed sealed door plant, be provided with the spacing groove on the inside wall of filter element shell and the same height of rectangular channel, be provided with sealed recess on the inside wall of spacing groove, be provided with the sealing washer on the lateral wall of the fixed lantern ring, the sealing washer is mutually supported with sealed recess.
Preferably, a lock catch is arranged between the free end of the sealing door plate and the side wall of the filter element shell.
Preferably, the cylinder is made of stainless steel.
Preferably, the pore size of the precision filter screen is less than 40 microns.
The invention has the beneficial effects that:
the invention is convenient for assembling and disassembling the whole device and taking out the internal filtering component, and convenient for replacing and cleaning through the arrangement of the upper top cover, the lower bottom cover and the filter element shell, the arrangement in the non-woven fabric layer filters all various impurities such as rust, mud, sand, clay and the like in the liquid, then the water flow passes through the non-woven fabric layer to reach the activated carbon layer, the activated carbon layer can absorb all colored and odorous substances in the water completely, various tiny particles in the water are filtered through the arrangement of the precise filter screen, the liquid finally entering the ultrafiltration membrane is relatively pure, the normal work of the ultrafiltration membrane is prevented from being influenced by excessive impurities, the activated carbon layer can be conveniently taken out of the filter element shell through the arrangement of the cylinder body and the top cover, then the activated carbon particles are rapidly replaced, the water quality detector can detect the quality of the filtered water, and the detection result is displayed on the display, the filter has the advantages that people are informed of the filtering effect of the filter, if the effect is not good, the internal filtering component needs to be replaced or cleaned, the whole filter is simple in structure, convenient to install and detach, capable of rapidly replacing and cleaning the internal filtering component, good filtering effect is guaranteed, and high practicability is achieved.
Drawings
FIG. 1 is a schematic perspective view of an ultrafiltration composite filter element according to the present invention;
FIG. 2 is a schematic view of the internal structure of the cartridge housing of the present invention;
FIG. 3 is a schematic perspective view of an activated carbon layer according to the present invention;
FIG. 4 is a schematic front view of a cartridge housing of the present invention;
FIG. 5 is a schematic perspective view of the retaining collar of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 4 according to the present invention;
reference numerals: 1. a filter element housing; 2. a top cover is arranged; 3. a bottom cover is arranged; 4. a water inlet; 5. a water outlet; 6. a non-woven fabric layer; 7. an activated carbon layer; 701. a barrel; 702. a top cover; 703. a fixing plate; 704. fixing the bolt; 705. a hole; 8. an acidic filter screen; 9. an alkaline filter screen; 10. a precise filter screen; 11. ultrafiltration membranes; 12. a water quality detector; 13. a display; 14. a fixed collar; 15. a rectangular groove; 16. a sealing door panel; 17. a limiting groove; 18. sealing the groove; 19. and (5) sealing rings.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, an ultrafiltration composite filter element comprises a filter element shell 1, wherein an upper top cover 2 and a lower bottom cover 3 are respectively arranged at the upper end and the lower end of the filter element shell 1, a water inlet 4 is arranged on the upper top cover 2, a water outlet 5 is arranged on the lower bottom cover 3, a non-woven fabric layer 6 is arranged in the filter element shell 1 close to the upper top cover 2, the non-woven fabric layer 6 and the inner wall of the filter element shell 1 are detachably mounted, an activated carbon layer 7 is mounted below the non-woven fabric layer 6, an acidic filter screen 8 and an alkaline filter screen 9 are arranged below the activated carbon layer 7, the acidic filter screen 8 is positioned above the alkaline filter screen 9, a precise filter screen 10 is arranged below the alkaline filter screen 9, an ultrafiltration membrane 11 is horizontally arranged below the precise filter screen 10, a water quality detector 12 is mounted below the ultrafiltration membrane 11 on the inner side wall of the filter element shell 1, a display 13, and the display 13 is electrically connected with the water quality detector 12.
The working principle is as follows:
the water with the filter is injected into the ultrafiltration composite filter element from the water inlet 4, then the water flow firstly passes through the non-woven fabric layer 6 to filter all various impurities such as rust, mud, sand, clay and the like in the liquid, then the water flow can pass through the non-woven fabric layer 6 to reach the activated carbon layer 7, the activated carbon layer 7 can absorb all various colored and odorous substances in the water, then the water flow is filtered by the acid filter screen 8 and the alkaline filter screen 9 and flows into the precision filter screen 10 to filter all various tiny particles in the water, the diameter of the tiny particles is more than 40 micrometers, finally the liquid reaches the ultrafiltration membrane 11, the liquid filtered by the ultrafiltration membrane 11 finally reaches the position of the lower bottom cover 3 and is discharged from the water outlet 5, the water quality detector 12 can detect the quality of the filtered water, the detection result is displayed on the display 13 to inform people of the filtering effect of the filter, if the effect is not good, the filter assembly inside needs to be replaced or cleaned.
Example 2
As shown in fig. 1-3, an ultrafiltration composite filter element comprises a filter element shell 1, wherein an upper top cover 2 and a lower bottom cover 3 are respectively arranged at the upper end and the lower end of the filter element shell 1, a water inlet 4 is arranged on the upper top cover 2, a water outlet 5 is arranged on the lower bottom cover 3, a non-woven fabric layer 6 is arranged in the filter element shell 1 close to the upper top cover 2, the non-woven fabric layer 6 and the inner wall of the filter element shell 1 are detachably mounted, an activated carbon layer 7 is mounted below the non-woven fabric layer 6, an acidic filter screen 8 and an alkaline filter screen 9 are arranged below the activated carbon layer 7, the acidic filter screen 8 is positioned above the alkaline filter screen 9, a precise filter screen 10 is arranged below the alkaline filter screen 9, an ultrafiltration membrane 11 is horizontally arranged below the precise filter screen 10, a water quality detector 12 is mounted below the ultrafiltration membrane 11 on the inner side wall of the filter element shell 1, a display 13, and the display 13 is electrically connected with the water quality detector 12.
The activated carbon layer 7 comprises a cylinder 701, a top cover 702 is rotatably installed at the upper end of the cylinder 701 through a rotating shaft, a fixing plate 703 is arranged at one side of the top cover 702 far away from the rotating shaft, the fixing plate 703 and the upper end of the cylinder 701 are fixed through a fixing bolt 704, a plurality of holes 705 are uniformly formed in the bottoms of the top cover 702 and the cylinder 701, and activated carbon particles are installed inside the cylinder 701.
The working principle is as follows:
when the non-woven fabric layer 6 needs to be cleaned or replaced, only the upper top cover 2 needs to be taken down from the filter element shell 1, when the activated carbon layer 7 needs to be replaced, only the whole cylinder 701 needs to be taken out from the filter element shell 1, then the fixing bolt 704 is taken down, then the top cover 702 is rotated, all the activated carbon particles in the cylinder 701 can be poured out, then new activated carbon particles are changed, the top cover 702 is fixed at the upper end of the cylinder 701 again, liquid flows into the cylinder 701 from the hole 705 in the top cover 702, and then flows out from the hole 705 in the lower end of the cylinder 701.
Example 3
As shown in fig. 1-6, an ultrafiltration composite filter element comprises a filter element shell 1, wherein an upper top cover 2 and a lower bottom cover 3 are respectively arranged at the upper end and the lower end of the filter element shell 1, a water inlet 4 is arranged on the upper top cover 2, a water outlet 5 is arranged on the lower bottom cover 3, a non-woven fabric layer 6 is arranged in the filter element shell 1 close to the upper top cover 2, the non-woven fabric layer 6 and the inner wall of the filter element shell 1 are detachably mounted, an activated carbon layer 7 is mounted below the non-woven fabric layer 6, an acidic filter screen 8 and an alkaline filter screen 9 are arranged below the activated carbon layer 7, the acidic filter screen 8 is positioned above the alkaline filter screen 9, a precise filter screen 10 is arranged below the alkaline filter screen 9, an ultrafiltration membrane 11 is horizontally arranged below the precise filter screen 10, a water quality detector 12 is mounted below the ultrafiltration membrane 11 on the inner side wall of the filter element shell 1, a display 13, and the display 13 is electrically connected with the water quality detector 12.
The working principle is as follows:
when needs are to acid filter screen 8, alkaline filter screen 9, precision filter screen 10 and milipore filter 11 clear up or change, with acid filter screen 8, alkaline filter screen 9, the sealed door plant 16 that precision filter screen 10 and milipore filter 11 correspond is opened, then the acid filter screen 8 that will clear up, alkaline filter screen 9, precision filter screen 10 and milipore filter 11 take out from rectangular channel 15, after the clearance, with the fixed lantern ring 14 alignment rectangular channel 15, then fix rectangular channel 15 in spacing groove 17, sealed recess 18 on the spacing groove 17 closely cooperates with the sealing washer 19 of the lateral wall of fixed lantern ring 14, then close sealed door plant 16, the completion installation.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An ultrafiltration composite filter element, comprising a filter element shell (1), characterized in that:
the filter element comprises a filter element shell (1), wherein an upper top cover (2) and a lower bottom cover (3) are respectively installed at the upper end and the lower end of the filter element shell (1), a water inlet (4) is formed in the upper top cover (2), a water outlet (5) is formed in the lower bottom cover (3), a non-woven fabric layer (6) is arranged in the filter element shell (1) and close to the upper top cover (2), the non-woven fabric layer (6) and the inner wall of the filter element shell (1) are detachably installed, an activated carbon layer (7) is installed below the non-woven fabric layer (6), an acid filter screen (8) and an alkaline filter screen (9) are arranged below the activated carbon layer (7), the acid filter screen (8) is located above the alkaline filter screen (9), a precise filter screen (10) is arranged below the alkaline filter screen (9), an ultrafiltration membrane (11) is horizontally arranged below the precise filter screen (10), a water quality detector (12) is installed below the ultrafiltration membrane (11) on the, and a display (13) is fixedly mounted on the outer side wall of the filter element shell (1), and the display (13) is electrically connected with the water quality detector (12).
2. The ultrafiltration composite filter element of claim 1, wherein: the upper top cover (2) and the lower bottom cover (3) are detachably mounted with the filter element shell (1).
3. The ultrafiltration composite filter element of claim 1, wherein: activated carbon layer (7) is including barrel (701), top cap (702) is installed through the pivot rotation in the upper end of barrel (701), and a side position of pivot is kept away from in top cap (702) is provided with fixed plate (703), and is fixed through fixing bolt (704) between fixed plate (703) and barrel (701) upper end, and the bottom of top cap (702) and barrel (701) evenly is provided with a plurality of holes (705), the inside of barrel (701) is equipped with the active carbon granule.
4. The ultrafiltration composite filter element of claim 1, wherein: the filter element shell is characterized in that a limiting block is fixedly mounted on the inner side wall of the filter element shell (1), and the limiting block is located below the activated carbon layer (7).
5. The ultrafiltration composite filter element of claim 1, wherein: the water quality detector (12) can detect the content of each substance in the water and display the monitoring data on the display (13).
6. The ultrafiltration composite filter element of claim 1, wherein: acid filter screen (8), alkaline filter screen (9), precision filter screen (10) and milipore filter (11) all install the inside at fixed lantern ring (14), be provided with rectangular channel (15) with acid filter screen (8), alkaline filter screen (9), precision filter screen (10) and milipore filter (11) same position on filter element shell (1), the outside rotation of rectangular channel (15) is installed and is sealed door plant (16), be provided with spacing groove (17) on the inside wall of filter element shell (1) and rectangular channel (15) same height, be provided with sealed recess (18) on the inside wall of spacing groove (17), be provided with sealing washer (19) on the lateral wall of fixed lantern ring (14), sealing washer (19) and sealed recess (18) mutually support.
7. The ultrafiltration composite filter element of claim 6, wherein: a lock catch is arranged between the free end of the sealing door plate (16) and the side wall of the filter element shell (1).
8. An ultrafiltration composite filter element according to claim 3, wherein: the cylinder (701) is made of stainless steel.
9. The ultrafiltration composite filter element of claim 1, wherein: the aperture of the precise filter screen (6) is less than 40 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569126.2A CN112479443A (en) | 2020-12-26 | 2020-12-26 | Ultrafiltration composite filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569126.2A CN112479443A (en) | 2020-12-26 | 2020-12-26 | Ultrafiltration composite filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112479443A true CN112479443A (en) | 2021-03-12 |
Family
ID=74914454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011569126.2A Withdrawn CN112479443A (en) | 2020-12-26 | 2020-12-26 | Ultrafiltration composite filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112479443A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118454326A (en) * | 2024-05-30 | 2024-08-09 | 绍兴虞之梦食品有限公司 | A sterilization and filtration device and method based on bayberry juice |
-
2020
- 2020-12-26 CN CN202011569126.2A patent/CN112479443A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118454326A (en) * | 2024-05-30 | 2024-08-09 | 绍兴虞之梦食品有限公司 | A sterilization and filtration device and method based on bayberry juice |
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Application publication date: 20210312 |