CN110787639B - Secondary reverse osmosis membrane device based on tea beverage processing - Google Patents
Secondary reverse osmosis membrane device based on tea beverage processing Download PDFInfo
- Publication number
- CN110787639B CN110787639B CN201911124486.9A CN201911124486A CN110787639B CN 110787639 B CN110787639 B CN 110787639B CN 201911124486 A CN201911124486 A CN 201911124486A CN 110787639 B CN110787639 B CN 110787639B
- Authority
- CN
- China
- Prior art keywords
- collecting pipe
- water collecting
- reverse osmosis
- water
- tea beverage
- 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
- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 23
- 235000013616 tea Nutrition 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 230000000903 blocking effect Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 239000002351 wastewater Substances 0.000 claims description 4
- 239000008213 purified water Substances 0.000 abstract description 15
- 238000000746 purification Methods 0.000 abstract description 8
- 230000003204 osmotic effect Effects 0.000 abstract description 5
- 235000013361 beverage Nutrition 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
- A23F3/20—Removing unwanted substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
- B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention relates to the technical field of water purifying devices and discloses a secondary reverse osmosis membrane device based on tea beverage processing, which comprises a water collecting pipe, wherein a permeable membrane is wound outside the water collecting pipe, a shell is fixedly sleeved outside the permeable membrane, end covers are fixedly arranged at two ends of the shell, a fixing device is fixedly sleeved outside the shell, a purified water outlet is fixedly sleeved inside one end of the water collecting pipe, and connecting devices are clamped at two ends of the fixing device. This second grade reverse osmosis membrane device based on tea beverage processing is through fixing device and connecting device's mutually supporting for fixing device and connecting device can tear open, then take out the inside shell of fixing device, be convenient for maintain and change the inside osmotic membrane of shell, through the mutually supporting of end cover and water collecting pipe, water purification export, utilize the inside loudspeaker form through-hole of end cover to fix water collecting pipe and water purification export and cup joint, prevent to leak.
Description
Technical Field
The invention relates to the technical field of water purifying devices, in particular to a secondary reverse osmosis membrane device based on tea beverage processing.
Background
The second-stage reverse osmosis device is based on the principle that water molecules are forced to permeate through a reverse osmosis membrane with selective permeation effect on water molecules by means of pressure, namely reverse osmosis water purification, and the device is used for separating, extracting, purifying and concentrating the water according to different osmotic pressures of various materials by a reverse osmosis method which can be higher than the osmotic pressure, and removing more than 98% of soluble salts, more than 99% of colloid, microorganism, particles, organic matters and the like in the water, so that the device becomes the preferred optimal equipment for modern pure water and space water engineering, and the tea beverage needs to use the second-stage reverse osmosis membrane device in the processing process, thereby filtering and purifying impurities in the beverage.
The permeable membranes of the existing two-stage reverse osmosis device are sleeved in a metal pipeline, and the two ends of the permeable membranes are fixed, so that the permeable membranes are very difficult to dismantle when being replaced or cleaned.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a secondary reverse osmosis membrane device based on tea beverage processing, which solves the problems proposed by the background art.
The invention provides the following technical scheme: the utility model provides a second grade reverse osmosis membrane device based on tea beverage processing, includes the collector pipe, the outside winding of collector pipe has the osmotic membrane, the outside fixed cover of osmotic membrane has cup jointed the shell, the equal fixed mounting in both ends of shell has the end cover, the outside fixed cover of shell has cup jointed fixing device, the inside fixed cover of collector pipe one end has the water purification export, the equal joint in both ends of fixing device has connecting device, is close to water purification export one side connecting device's bottom fixedly connected with waste water outlet, water purification export's outside fixed cover has sealed piece I, one side contact of sealed piece I has shutoff end I, shutoff end I and connecting device threaded connection keep away from water purification export one side connecting device's top fixedly connected with water inlet, the inside joint that the collector pipe is close to water inlet one end has sealed piece II.
Preferably, the inner wall of the end cover is provided with a horn-shaped through hole, and the outside of the end cover is provided with a sealing ring.
Preferably, the fixing device comprises a clamping sleeve I, a screw is clamped in the clamping sleeve I, one end of the screw is connected with a clamping sleeve II in a threaded mode, the clamping sleeve I is fixedly connected with the clamping sleeve II through the screw, clamping grooves I are formed in two ends of the inner walls of the clamping sleeve I and the clamping sleeve II, and a connecting device is clamped in the clamping grooves I.
Preferably, the connecting means comprises a connecting sleeve.
Preferably, the sealing block II comprises a blocking block, an O-shaped ring is fixedly sleeved on the outer surface of the blocking block, a blocking rod is fixedly connected to the side face of the blocking block, and the blocking rod is clamped with the water collecting pipe.
Preferably, the side face of the sealing block II is contacted with a plugging end II, and the plugging end II is in threaded connection with the connecting device.
Preferably, the inner wall of the connecting sleeve is provided with a step hole, and the inner wall of the step hole is provided with an internal thread.
Preferably, the inner wall of the connecting sleeve is provided with a limiting plate, one side of the limiting plate is contacted with an end cover, the outer surface of the connecting sleeve is provided with a clamping groove II, and the inside of the clamping groove II is clamped with a fixing device.
The invention has the following beneficial effects:
1. according to the secondary reverse osmosis membrane device based on tea beverage processing, through the mutual matching of the fixing device and the connecting device, the fixing device and the connecting device can be detached, then the shell inside the fixing device is taken out, and the permeable membrane inside the shell is convenient to maintain and replace;
2. according to the secondary reverse osmosis membrane device based on tea beverage processing, through the mutual matching of the end cover, the water collecting pipe and the purified water outlet can be fixedly sleeved by utilizing the horn-shaped through holes in the end cover, so that leakage is prevented;
3. according to the secondary reverse osmosis membrane device based on tea beverage processing, through the arrangement of the end cover and the horn-shaped through hole, the inner diameter of the through hole is smaller and smaller, when the purified water outlet is sleeved in the water collecting pipe, the sleeved length between the purified water outlet and the water collecting pipe is longer and longer, the sleeved length between the water collecting pipe and the purified water outlet is tighter, and beverage leakage can be effectively prevented;
4. this second grade reverse osmosis membrane device based on tea beverage processing through setting up sealing block II, shutoff piece, O type circle and shutoff pole, shutoff pole and water collecting pipe joint, is convenient for carry out the shutoff to the water collecting pipe, prevents that not filterable beverage from directly entering into the inside of water collecting pipe, guarantees to filter the beverage process thoroughly, ensures the inside no impurity of water collecting pipe simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic diagram of an end cap structure according to the present invention;
FIG. 4 is a schematic view of a fixing device according to the present invention;
FIG. 5 is a schematic view of a connecting device according to the present invention;
FIG. 6 is a schematic view of the structure of the sealing block II of the invention.
In the figure: 1. a water collecting pipe; 2. a permeable membrane; 3. a housing; 4. an end cap; 5. a fixing device; 51. a jacket I; 52. a jacket II; 53. a clamping groove I; 6. a purified water outlet; 7. a connecting device; 71. connecting sleeves; 72. a step hole; 73. an internal thread; 74. a limiting plate; 75. a clamping groove II; 8. a waste water outlet; 9. a sealing block I; 10. plugging the end I; 11. a water inlet; 12. a sealing block II; 121. blocking; 122. an O-ring; 123. a plugging rod; 13. plugging end II.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a secondary reverse osmosis membrane device based on tea beverage processing comprises a water collecting pipe 1, a permeable membrane 2 is wound outside the water collecting pipe 1, a shell 3 is fixedly sleeved outside the permeable membrane 2, end covers 4 are fixedly installed at two ends of the shell 3, a fixing device 5 is fixedly sleeved outside the shell 3, a purified water outlet 6 is fixedly sleeved inside one end of the water collecting pipe 1, a connecting device 7 is fixedly connected to the bottom of the connecting device 7 close to the purified water outlet 6, a waste water outlet 8 is fixedly connected to the outer portion of the purified water outlet 6, a sealing block I9 is fixedly sleeved outside the purified water outlet 6, one side of the sealing block I9 is contacted with a blocking end I10, the blocking end I10 is in threaded connection with the connecting device 7, a water inlet 11 is fixedly connected to the top of the connecting device 7 far away from the purified water outlet 6, a sealing block II 12 is clamped inside one end of the water collecting pipe 1 close to the water inlet 11, a blocking end II 13 is contacted with the side of the sealing block II 12, and the blocking end II 13 is in threaded connection with the connecting device 7.
Wherein, the inner wall of the end cover 4 is provided with a horn-shaped through hole, so that the inner diameter of the through hole is smaller and smaller, when the purified water outlet 6 is sleeved in the water collecting pipe 1, the sleeved length of the water collecting pipe 1 and the purified water outlet 6 is longer and longer, the water collecting pipe 1 and the water collecting pipe 6 are more tightly sleeved, the leakage of the beverage can be effectively prevented, and the sealing ring is arranged outside the end cover 4;
the fixing device 5 comprises a clamping sleeve I51, a screw is clamped in the clamping sleeve I51, one end of the screw is connected with a clamping sleeve II 52 in a threaded manner, the clamping sleeve I51 is fixedly connected with the clamping sleeve II 52 through the screw, clamping grooves I53 are formed in two ends of the inner walls of the clamping sleeve I51 and the clamping sleeve II 52, and a connecting device 7 is clamped in the clamping grooves I53;
the connecting device 7 comprises a connecting sleeve 71, a step hole 72 is formed in the inner wall of the connecting sleeve 71, an internal thread 73 is formed in the inner wall of the step hole 72, a limiting plate 74 is arranged on the inner wall of the connecting sleeve 71, one side of the limiting plate 74 is contacted with the end cover 4, a clamping groove II 75 is formed in the outer surface of the connecting sleeve 71, and the fixing device 5 is clamped in the clamping groove II 75;
wherein, sealing block II 12 includes the sprue 121, and the external surface fixed sleeve of sprue 121 has cup jointed O type circle 122, and the side fixedly connected with shutoff pole 123 of sprue 121, shutoff pole 123 and collector pipe 1 joint are convenient for carry out the shutoff to collector pipe 1, prevent that the beverage that does not have the filtration from directly entering into the inside of collector pipe 1.
The working principle is that when the permeable membrane is disassembled, firstly, screws between the jacket I51 and the jacket II 52 are loosened, the jacket I51 and the jacket II 52 are separated, and then the shell 3 and the end cover 4 are taken out from the inside of the connecting device 7, so that the permeable membrane 2 is conveniently taken out from the inside of the shell 3, and the permeable membrane 2 is replaced and cleaned;
when in installation, the end cover 4 is sleeved in the connecting device 7, the purified water outlet 6 is inserted into the end cover 4 and sleeved with the water collecting pipe 1, and the water collecting pipe 1 and the purified water outlet 6 can be tightly sleeved by using the horn-shaped through holes in the end cover 4;
the other end of the water collecting pipe 1 is sleeved with a plugging rod 123, and the plugging rod 123 is used for plugging the water collecting pipe 1 to prevent the beverage without purification from directly entering the water collecting pipe 1;
finally, the jacket I51 and the jacket II 52 are sleeved outside the two connecting devices 7, and the jacket I51 and the jacket II 52 are locked by screws.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Second grade reverse osmosis membrane device based on tea beverage processing, including collector pipe (1), its characterized in that: the water collecting pipe is characterized in that a permeable membrane (2) is wound outside the water collecting pipe (1), a shell (3) is fixedly sleeved outside the permeable membrane (2), end covers (4) are fixedly arranged at two ends of the shell (3), a fixing device (5) is fixedly sleeved outside the shell (3), a water purifying outlet (6) is fixedly sleeved inside one end of the water collecting pipe (1), connecting devices (7) are fixedly connected to two ends of the fixing device (5) in a clamping mode, a waste water outlet (8) is fixedly connected to the bottom of the connecting device (7) on one side close to the water purifying outlet (6), a sealing block I (9) is fixedly sleeved outside the water purifying outlet (6), one side of the sealing block I (9) is in contact with a blocking end I (10), the blocking end I (10) is in threaded connection with the connecting devices (7), a water inlet (11) is fixedly connected to the top of the connecting device (7) on one side far away from the water purifying outlet (6), and a sealing block II (12) is fixedly connected to the inner part of one end of the water collecting pipe (1) close to the water inlet (11);
the fixing device (5) comprises a clamping sleeve I (51), a screw is clamped in the clamping sleeve I (51), one end of the screw is connected with a clamping sleeve II (52) in a threaded manner, the clamping sleeve I (51) is fixedly connected with the clamping sleeve II (52) through the screw, clamping grooves I (53) are formed in two ends of the inner walls of the clamping sleeve I (51) and the clamping sleeve II (52), and a connecting device (7) is clamped in the clamping grooves I (53); the connecting device (7) comprises a connecting sleeve (71); the inner wall of adapter sleeve (71) is provided with limiting plate (74), one side contact of limiting plate (74) has end cover (4), draw-in groove II (75) have been seted up to the surface of adapter sleeve (71), the inside joint of draw-in groove II (75) has fixing device (5).
2. The tea beverage processing-based secondary reverse osmosis membrane device according to claim 1, wherein: the inner wall of the end cover (4) is provided with a horn-shaped through hole, and the outside of the end cover (4) is provided with a sealing ring.
3. The tea beverage processing-based secondary reverse osmosis membrane device according to claim 1, wherein: the sealing block II (12) comprises a blocking block (121), an O-shaped ring (122) is fixedly sleeved on the outer surface of the blocking block (121), a blocking rod (123) is fixedly connected to the side face of the blocking block (121), and the blocking rod (123) is clamped with the water collecting pipe (1).
4. The tea beverage processing-based secondary reverse osmosis membrane device according to claim 1, wherein: the side face of the sealing block II (12) is contacted with a blocking end II (13), and the blocking end II (13) is in threaded connection with the connecting device (7).
5. The tea beverage processing-based secondary reverse osmosis membrane device according to claim 1, wherein: the inner wall of the connecting sleeve (71) is provided with a step hole (72), and the inner wall of the step hole (72) is provided with an internal thread (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124486.9A CN110787639B (en) | 2019-11-18 | 2019-11-18 | Secondary reverse osmosis membrane device based on tea beverage processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124486.9A CN110787639B (en) | 2019-11-18 | 2019-11-18 | Secondary reverse osmosis membrane device based on tea beverage processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110787639A CN110787639A (en) | 2020-02-14 |
| CN110787639B true CN110787639B (en) | 2024-01-09 |
Family
ID=69444950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911124486.9A Active CN110787639B (en) | 2019-11-18 | 2019-11-18 | Secondary reverse osmosis membrane device based on tea beverage processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110787639B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354031B (en) * | 2021-06-04 | 2022-07-12 | 杭州贝思特节能环保科技有限公司 | Nanofiltration device for sulfur-containing wastewater and use method thereof |
| CN115382395B (en) * | 2022-05-17 | 2024-04-26 | 国家能源集团宁夏煤业有限责任公司 | Reverse osmosis membrane filter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595651A (en) * | 1995-01-23 | 1997-01-21 | Pavel; Augustin | All-plastic hand-assembled super-strength reverse osmosis membrane housing |
| JPH11347378A (en) * | 1998-06-12 | 1999-12-21 | Nitto Denko Corp | Spiral membrane element and membrane module using the same |
| JP2000051666A (en) * | 1998-08-06 | 2000-02-22 | Toray Ind Inc | Fluid separation element and manufacture thereof |
| CN209317455U (en) * | 2018-12-20 | 2019-08-30 | 河北京安生物能源科技股份有限公司 | For handling the film condensing device of biogas slurry |
-
2019
- 2019-11-18 CN CN201911124486.9A patent/CN110787639B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595651A (en) * | 1995-01-23 | 1997-01-21 | Pavel; Augustin | All-plastic hand-assembled super-strength reverse osmosis membrane housing |
| JPH11347378A (en) * | 1998-06-12 | 1999-12-21 | Nitto Denko Corp | Spiral membrane element and membrane module using the same |
| JP2000051666A (en) * | 1998-08-06 | 2000-02-22 | Toray Ind Inc | Fluid separation element and manufacture thereof |
| CN209317455U (en) * | 2018-12-20 | 2019-08-30 | 河北京安生物能源科技股份有限公司 | For handling the film condensing device of biogas slurry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110787639A (en) | 2020-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110787639B (en) | Secondary reverse osmosis membrane device based on tea beverage processing | |
| CN212504139U (en) | Tubular membrane module | |
| CN212016891U (en) | Self-cleaning mud-water separation device | |
| CN210890540U (en) | Water filtering pipe fitting convenient to disassemble and assemble | |
| CN212119590U (en) | Membrane component for reproducing ultrafiltration membrane by using waste organic reverse osmosis membrane or organic nanofiltration membrane | |
| CN109701391B (en) | Combined low-pressure membrane shell | |
| CN208542036U (en) | A kind of wound membrane element | |
| CN208517014U (en) | A kind of engineering of water treatment ultrafiltration apparatus | |
| CN217627713U (en) | Membrane type water purifier | |
| CN207169433U (en) | A kind of pressure vessel for reverse osmosis | |
| CN220845659U (en) | Nanofiltration water purification device | |
| CN201942543U (en) | Internal pressure-type ultrafiltration membrane water filter | |
| CN219463032U (en) | Diaphragm joint and diaphragm assembly | |
| CN219752001U (en) | Reverse osmosis water purification device with multi-layer filtration | |
| CN220633761U (en) | Reverse osmosis equipment for industrial wastewater treatment | |
| CN214060005U (en) | Membrane element | |
| CN212127627U (en) | Efficient filtering device of reverse osmosis equipment | |
| CN219050919U (en) | Column type hollow fiber membrane module | |
| CN220633757U (en) | Reverse osmosis membrane shell filtering component | |
| CN209081495U (en) | A kind of reverse osmosis membrane processing equipment | |
| CN219984061U (en) | Filter flask of water purifier easy to take over | |
| CN219539571U (en) | Water quality filtering and purifying device for rural water supply engineering | |
| CN212757537U (en) | Backflushing type water sample filtering device | |
| CN210106845U (en) | Butt joint tool for household water purifier drain pipe | |
| CN220834336U (en) | Sewage purification device for environmental protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |