CN210030221U - Easily wash water purification machine - Google Patents
Easily wash water purification machine Download PDFInfo
- Publication number
- CN210030221U CN210030221U CN201920719135.1U CN201920719135U CN210030221U CN 210030221 U CN210030221 U CN 210030221U CN 201920719135 U CN201920719135 U CN 201920719135U CN 210030221 U CN210030221 U CN 210030221U
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- Prior art keywords
- water
- pipeline
- filter
- membrane filter
- purification machine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 155
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 239000012528 membrane Substances 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000003814 drug Substances 0.000 claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229920000742 Cotton Polymers 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims description 45
- 230000003670 easy-to-clean Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 abstract description 14
- 239000012141 concentrate Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 238000001223 reverse osmosis Methods 0.000 description 11
- 239000000126 substance Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000008213 purified water Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 235000009508 confectionery Nutrition 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000575 pesticide Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229960001701 chloroform Drugs 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- -1 organic matters Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an easily wash water purification machine relates to water purification machine technical field, and it includes the one-level PP cotton filter, granule activated carbon filter, second grade PP cotton filter, booster pump and the RO membrane filter that connect gradually through the pipeline, RO membrane filter includes water inlet, pure water mouth, waste water mouth and liquid medicine interpolation mouth, the water inlet is connected with the booster pump, the waste water mouth is connected with concentrate discharge line and washing liquid discharge line, the pure water mouth passes through pipeline water storage pipeline and outlet pipe way, be provided with rearmounted activated carbon filter on the outlet pipe way, still be equipped with the medicine pipeline between water storage pipeline and the liquid medicine interpolation mouth, RO membrane filter internally mounted has ultrasonic transducer, RO membrane filter outside still is equipped with ultrasonic generator; the utility model discloses a set up the ultrasonic wave and accomplish the washing to RO membrane filter jointly with the cooperation of wasing the liquid medicine, it is convenient, efficient to wash, washs cleaner.
Description
Technical Field
The utility model relates to a water purification machine technical field, more specifically relate to an easily wash water purification machine.
Background
The reverse osmosis water purifier is a device which integrates the technologies of microfiltration, adsorption, ultrafiltration, reverse osmosis, ultraviolet sterilization, ultra-purification and the like, directly converts tap water into ultrapure water and can be directly drunk after conversion, and is a relatively mature purified water manufacturing technology.
The RO membrane filter of the reverse osmosis water purifier uses the RO membrane for filtration, so the filter hole is blocked after using for a period of time, reduce the water production efficiency of the water purifier, so the water purifier needs to be cleaned at intervals of time, the existing RO membrane filter has two modes, firstly, cleaning liquid medicine is directly introduced into the RO membrane filter, the cleaning program of the water purifier is opened for cleaning according to the water production process, but the cleaning liquid flowing direction of the cleaning liquid is consistent with the dirt blocking direction in the cleaning mode, and the cleaning effect is poor; and secondly, the RO membrane is taken out and is washed by adding washing liquid medicine, so that the washing is cleaner than the washing in the first mode, the time is additionally consumed for taking out the RO membrane, and the washing efficiency of the RO membrane is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems of inconvenient cleaning, low efficiency or unclean cleaning of the RO membrane filter in the existing water purification machine, the water purification machine easy to clean is provided.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
an easy-cleaning water purifier comprises a primary PP cotton filter, a granular activated carbon filter, a secondary PP cotton filter, a booster pump and an RO membrane filter which are sequentially connected through pipelines, the RO membrane filter comprises a water inlet, a pure water port, a waste water port and a liquid medicine adding port, the water inlet is connected with a booster pump, the waste water port is respectively connected with a concentrated water discharge pipeline and a cleaning liquid discharge pipeline through pipelines, the pure water port is connected with a check valve through a pipeline, the downstream of the check valve is divided into a water storage pipeline and a water outlet pipeline, the end part of the water storage pipeline is connected with a pressure tank, the water outlet pipeline is provided with a post-positioned activated carbon filter, a medicine adding pipeline is also arranged between the water storage pipeline and the liquid medicine adding port, a medicine adding tank is arranged on the medicine adding pipeline, and an ultrasonic transducer is arranged inside the RO membrane filter, and an ultrasonic generator matched with the ultrasonic transducer is also arranged outside the RO membrane filter.
Furthermore, a water inlet electromagnetic valve is arranged between the second-stage PP cotton filter and the booster pump, and a low-voltage switch is arranged between the water inlet electromagnetic valve and the second-stage PP cotton filter.
Furthermore, a waste water ratio electromagnetic valve is installed on the concentrated water discharge pipeline, and a cleaning liquid discharge electromagnetic valve is installed on the cleaning liquid discharge pipeline.
Further, a high-pressure switch is arranged between the check valve and the pressure tank, and the high-pressure switch is located in the water storage path.
Furthermore, the aperture of the first-stage PP cotton filter is 5 microns, and the aperture of the second-stage PP cotton filter is 1 micron.
The function of each part of the pipe fitting is as follows:
a first-level PP cotton filter with the pore diameter of 5 microns is used for filtering before deposition to remove substances with the particle diameter of more than 5 microns, such as dust, rust, gravel and the like;
a granular activated carbon filter for pre-filtering to remove chlorine odor, methane, pesticides, fertilizers and other substances;
a secondary PP cotton filter, wherein the pore size is 1 micron, and fine particle substances generated by falling of activated carbon are removed;
the low-voltage switch is used for switching on a power supply when the water pressure reaches 1.5kg/cm2 so as to ensure that the machine operates normally; when water is cut off or the water pressure does not reach 1.5kg/cm2, the power supply is cut off, and the machine gives out a buzzing alarm;
when the power supply is switched on, tap water passes through the water inlet electromagnetic valve, so that the water purifier can normally produce water; when the machine stops, the water source is cut off to prevent water from passing through and the water is drained through a concentrated water path;
the high-pressure pump is used for pressurizing tap water to 5-8 kg/cm2 so as to meet the pressure and flow requirements of RO membrane water production;
the RO membrane is called as reverse osmosis membrane, which applies pressure to raw water by a machine to ensure that water in the raw water permeates the RO membrane, so as to intercept all of fine impurities, excessive inorganic salt, organic matters, heavy metal ions, bacteria, viruses, pesticides, trichloromethane waste and other harmful substances in the raw water, and discharge harmful foreign matters and salt in the water through continuously discharged concentrated water, thereby obtaining very clean drinking water;
the ultrasonic generator is used for converting commercial power into a high-frequency alternating current signal matched with the ultrasonic transducer and driving the ultrasonic transducer to work;
the ultrasonic transducer converts input electric power into mechanical power (namely ultrasonic waves) and then transmits the mechanical power into the cleaning liquid, and strong ultrasonic waves are radiated to the RO membrane in a density-density alternate mode in the cleaning liquid to generate a cavitation phenomenon, namely a bubble mode is generated in the cleaning liquid to generate a rupture phenomenon. When the cavitation reaches the instant of the surface rupture of the reverse osmosis membrane, the impact force of huge pressure is generated, so that the dirt in the surface, holes and gaps of the reverse osmosis membrane is dispersed, ruptured and peeled off, and the reverse osmosis membrane achieves the effect of purification and cleaning;
the check valve is also called as a one-way valve in engineering, pure water is full, and high-pressure pure water is prevented from flowing backwards and being discharged together with the wastewater after the pressure reaches 3kg/cm 2;
the high-voltage switch automatically controls the water purifier to work, and when the water pressure of the purified water reaches 3kg/cm2, the power supply is cut off to stop the water purifier; when the water pressure is reduced to 1.5kg/cm2, the purified water discharge system is automatically switched on to enable the machine to enter a normal water making state (for example, a tap is opened to drain water);
a pressure tank for storing pure water for standby, wherein the air pressure is 0.4-0.8 kg/cm 2;
an active carbon filter is arranged at the rear part, so that the peculiar smell is removed, the water quality is sweet and sweet, and the secondary pollution of the pure water in the pressure water storage barrel is avoided;
and the wastewater proportioner is used for draining the concentrated water, limiting the flow through the small holes and suppressing the pressure, and ensuring the working pressure of the RO membrane. Ratio of concentrated water to pure water 1: 3-1: 5. the function of the device is to control the flow and ensure the constant system pressure;
a medicine adding tank, wherein cleaning liquid medicine is added from the medicine adding tank, so that the cleaning effect of the RO membrane in the RO membrane filter is improved;
a cleaning liquid discharge solenoid valve opened to discharge the cleaning liquid and closed to prevent the discharge of concentrated water from the cleaning liquid discharge line;
the utility model has the advantages as follows:
the utility model discloses increased ultrasonic wave self-cleaning device on traditional water purification machine, can realize the direct washing to RO membrane filter, need not pull down RO membrane filter alone, it is convenient to wash, still is equipped with the medicine pipeline and sets up the medicine jar again simultaneously between reservoir pipe way and liquid medicine interpolation mouth, and inside the pure water modulation that can directly utilize the production washd the liquid medicine and add RO membrane filter, improved the cleaning performance jointly under washing liquid medicine and ultrasonic transducer effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals: the device comprises a 1-first-stage PP cotton filter, a 2-granular activated carbon filter, a 3-second-stage PP cotton filter, a 4-low pressure switch, a 5-water inlet electromagnetic valve, a 6-booster pump, a 7-water inlet, an 8-pure water port, a 9-waste water port, a 10-liquid medicine adding port, an 11-concentrated water discharging pipeline, a 12-cleaning liquid discharging pipeline, a 13-check valve, a 14-water storage pipeline, a 15-water outlet pipeline, a 16-pressure tank, a 17-rear activated carbon filter, an 18-medicine adding pipeline, a 19-medicine adding tank, a 20-ultrasonic transducer, a 21-ultrasonic generator, a 22-waste water ratio electromagnetic valve, a 23-cleaning liquid discharging electromagnetic valve, a 24-high pressure switch and a 25-RO membrane filter.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "left", "right", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, the embodiment provides an easy-to-clean water purifier, which includes a first-stage PP cotton filter 1, a granular activated carbon filter 2, a second-stage PP cotton filter 3, a booster pump 6 and an RO membrane filter 25 sequentially connected by a pipeline, wherein the RO membrane filter 25 includes a water inlet 7, a purified water port 8, a wastewater port 9 and a liquid medicine adding port 10, the water inlet 7 is connected with the booster pump 6, the wastewater port 9 is respectively connected with a concentrated water discharge pipeline 11 and a cleaning liquid discharge pipeline 12 by pipelines, the purified water port 8 is connected with a check valve 13 by a pipeline, the downstream of the check valve 13 is divided into a water storage pipeline 14 and a water outlet pipeline 15, the end of the water storage pipeline 14 is connected with a pressure tank 16, the water outlet pipeline 15 is provided with a post-positioned activated carbon filter 17, a medicine adding pipeline 18 is further arranged between the water storage pipeline 14 and the liquid medicine adding port 10, the medicine, the RO membrane filter 25 is internally provided with an ultrasonic transducer 20, and the RO membrane filter 25 is also externally provided with an ultrasonic generator 21 matched with the ultrasonic transducer 20.
As a preferable mode, a water inlet electromagnetic valve 5 is further arranged between the second-stage PP cotton filter 3 and the booster pump 6, and a low-voltage switch 4 is arranged between the water inlet electromagnetic valve 5 and the second-stage PP cotton filter 3.
Preferably, a waste water ratio solenoid valve 22 is installed on the concentrated water discharge line 11, and a cleaning liquid discharge solenoid valve 23 is installed on the cleaning liquid discharge line 12.
Preferably, a high-pressure switch 24 is provided between the check valve 13 and the pressure tank 16, and the high-pressure switch 24 is located in the water storage path.
In a preferable mode, the pore size of the primary PP cotton filter 1 is 5 microns, and the pore size of the secondary PP cotton filter 3 is 1 micron.
The utility model discloses ultrasonic wave self-cleaning device has been increased on traditional water purification machine, can realize the direct washing to RO membrane filter 25, need not pull down RO membrane filter 25 alone, it is convenient to wash, still be equipped with simultaneously again between water storage pipeline 14 and liquid medicine interpolation mouth 10 and add medicine pipeline 18 and set up with medicine jar 19, can directly utilize the pure water modulation washing liquid medicine that produces and add RO membrane filter 25 inside, improve the cleaning performance jointly under washing liquid medicine and the 20 effects of ultrasonic transducer.
The function of each part of the pipe fitting is as follows:
the first-level PP cotton filter 1 has the pore size of 5 microns, and is used for filtering before deposition to remove substances with the particle size of more than 5 microns, such as dust, rust, gravel and the like;
a granular activated carbon filter 2 for pre-filtering to remove chlorine odor, methane, pesticides, fertilizers and other substances;
a secondary PP cotton filter 3, the aperture of which is 1 micron, pre-filters to remove fine particulate matters generated by falling of activated carbon;
the low-voltage switch 4 is connected with a power supply when the water pressure reaches 1.5kg/cm2, so that the machine can normally run; when water is cut off or the water pressure does not reach 1.5kg/cm2, the power supply is cut off, and the machine gives out a buzzing alarm;
when the power supply is switched on, tap water passes through the water inlet electromagnetic valve 5, so that the water purifier can normally produce water; when the machine stops, the water source is cut off to prevent water from passing through and the water is drained through a concentrated water path;
the high-pressure pump is used for pressurizing tap water to 5-8 kg/cm2 so as to meet the pressure and flow requirements of RO membrane water production;
the RO membrane is called as reverse osmosis membrane, which applies pressure to raw water by a machine to ensure that water in the raw water permeates the RO membrane, so as to intercept all of fine impurities, excessive inorganic salt, organic matters, heavy metal ions, bacteria, viruses, pesticides, trichloromethane waste and other harmful substances in the raw water, and discharge harmful foreign matters and salt in the water through continuously discharged concentrated water, thereby obtaining very clean drinking water;
the ultrasonic generator 21 is used for converting the commercial power into a high-frequency alternating current signal matched with the ultrasonic transducer 20 and driving the ultrasonic transducer 20 to work, and the ultrasonic generator 21 is used for generating a high-frequency alternating current signal;
the ultrasonic transducer 20 converts the input electric power into mechanical power (i.e. ultrasonic waves) and transmits the mechanical power into the cleaning solution, and the strong ultrasonic waves are radiated to the RO membrane in the cleaning solution in a form of dense and dense intervals to generate a cavitation phenomenon, i.e. a form of bubbles generated in the cleaning solution to generate a rupture phenomenon. When the cavitation reaches the instant of the surface rupture of the reverse osmosis membrane, the impact force of huge pressure is generated, so that the dirt in the surface, holes and gaps of the reverse osmosis membrane is dispersed, ruptured and peeled off, and the reverse osmosis membrane achieves the effect of purifying and cleaning, wherein the frequency of the ultrasonic transducer 20 is generally 20-50 kHz, and is preferably 32 KHZ;
the check valve 13 is also called as a one-way valve in engineering, and when the pure water is full and the pressure reaches 3kg/cm2, high-pressure pure water is prevented from flowing backwards and being discharged together with the wastewater;
the high-voltage switch 24 automatically controls the water purifier to work, and cuts off the power supply to stop the water purifier when the water pressure of the purified water reaches 3kg/cm 2; when the water pressure is reduced to 1.5kg/cm2, the purified water discharge system is automatically switched on to enable the machine to enter a normal water making state (for example, a tap is opened to drain water);
a pressure tank 16 for storing pure water for standby use, the pressure being 0.4-0.8 kg/cm 2;
an active carbon filter 17 is arranged at the rear part to remove peculiar smell, so that the water quality is sweet and sweet, and the secondary pollution of the pure water in the pressure water storage barrel is avoided;
and the wastewater proportioner is used for draining the concentrated water, limiting the flow through the small holes and suppressing the pressure, and ensuring the working pressure of the RO membrane. Ratio of concentrated water to pure water 1: 3-1: 5. the function of the device is to control the flow and ensure the constant system pressure;
a chemical feed tank 19 from which a cleaning chemical is fed to improve the cleaning effect of the RO membrane in the RO membrane filter 25;
a cleaning liquid discharge solenoid valve 23 opened to discharge the cleaning liquid and closed to prevent the discharge of the concentrated water from the cleaning liquid discharge line 12;
the utility model has the advantages as follows:
the utility model discloses ultrasonic wave self-cleaning device has been increased on traditional water purification machine, can realize the direct washing to RO membrane filter 25, need not pull down RO membrane filter 25 alone, it is convenient to wash, still be equipped with simultaneously again between water storage pipeline 14 and liquid medicine interpolation mouth 10 and add medicine pipeline 18 and set up with medicine jar 19, can directly utilize the pure water modulation washing liquid medicine that produces and add RO membrane filter 25 inside, improve the cleaning performance jointly under washing liquid medicine and the 20 effects of ultrasonic transducer.
Claims (5)
1. An easy-cleaning water purifier comprises a first-stage PP cotton filter (1), a granular activated carbon filter (2), a second-stage PP cotton filter (3), a booster pump (6) and an RO membrane filter (25) which are sequentially connected through pipelines, and is characterized in that the RO membrane filter (25) comprises a water inlet (7), a pure water port (8), a waste water port (9) and a liquid medicine adding port (10), the water inlet (7) is connected with the booster pump (6), the waste water port (9) is respectively connected with a concentrated water discharge pipeline (11) and a cleaning liquid discharge pipeline (12) through pipelines, the pure water port (8) is connected with a check valve (13) through a pipeline, the downstream of the check valve (13) is divided into a water storage pipeline (14) and a water outlet pipeline (15), the end part of the water storage pipeline (14) is connected with a pressure tank (16), and the water outlet pipeline (15) is provided with a post-positioned activated carbon, still be equipped with between water storage pipeline (14) and liquid medicine interpolation mouth (10) and add medicine pipeline (18), it adds medicine jar (19) to be equipped with on medicine pipeline (18), RO membrane filter (25) internally mounted has ultrasonic transducer (20), RO membrane filter (25) outside still is equipped with ultrasonic generator (21) with ultrasonic transducer (20) complex.
2. The easy-to-clean water purification machine according to claim 1, wherein: still be equipped with into water solenoid valve (5) between second grade PP cotton filter (3) and booster pump (6), be equipped with low-voltage switch (4) between into water solenoid valve (5) and second grade PP cotton filter (3).
3. The easy-to-clean water purification machine according to claim 1, wherein: a waste water ratio electromagnetic valve (22) is installed on the concentrated water discharge pipeline (11), and a cleaning liquid discharge electromagnetic valve (23) is installed on the cleaning liquid discharge pipeline (12).
4. The easy-to-clean water purification machine according to claim 1, wherein: and a high-pressure switch (24) is arranged between the check valve (13) and the pressure tank (16), and the high-pressure switch (24) is positioned in the water storage way.
5. The easy-to-clean water purification machine according to claim 1, wherein: the aperture of the first-stage PP cotton filter (1) is 5 micrometers, and the aperture of the second-stage PP cotton filter (3) is 1 micrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719135.1U CN210030221U (en) | 2019-05-20 | 2019-05-20 | Easily wash water purification machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719135.1U CN210030221U (en) | 2019-05-20 | 2019-05-20 | Easily wash water purification machine |
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| Publication Number | Publication Date |
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| CN210030221U true CN210030221U (en) | 2020-02-07 |
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| CN201920719135.1U Expired - Fee Related CN210030221U (en) | 2019-05-20 | 2019-05-20 | Easily wash water purification machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220176317A1 (en) * | 2020-12-07 | 2022-06-09 | James Benjamin Hanks | Reverse osmosis filter system |
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2019
- 2019-05-20 CN CN201920719135.1U patent/CN210030221U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220176317A1 (en) * | 2020-12-07 | 2022-06-09 | James Benjamin Hanks | Reverse osmosis filter system |
| US12268990B2 (en) * | 2020-12-07 | 2025-04-08 | James Benjamin Hanks | Reverse osmosis filter system |
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Granted publication date: 20200207 |