CN109231532B - Water purifier - Google Patents
Water purifier Download PDFInfo
- Publication number
- CN109231532B CN109231532B CN201811418437.1A CN201811418437A CN109231532B CN 109231532 B CN109231532 B CN 109231532B CN 201811418437 A CN201811418437 A CN 201811418437A CN 109231532 B CN109231532 B CN 109231532B
- Authority
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- China
- Prior art keywords
- water
- filter element
- control valve
- storage tank
- element assembly
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 291
- 238000003860 storage Methods 0.000 claims abstract description 62
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 238000011010 flushing procedure Methods 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 18
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 17
- 238000001223 reverse osmosis Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000011001 backwashing Methods 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000000108 ultra-filtration Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 abstract description 25
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- 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
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The application discloses a water purifier, which comprises a filter element assembly, a filtering water outlet pipe connected with the water outlet end of the filtering assembly and a filter element cleaning device for back flushing the filter element assembly, wherein the filter element cleaning device comprises a control valve and a water storage barrel for conveying water to the filtering assembly, the control valve comprises a first control valve arranged on the filtering water outlet pipe and a second control valve arranged at the water outlet end of a water storage tank, the water inlet end of the water storage tank is connected with a water inlet through a back flushing water inlet pipe, and the water inlet end of the back flushing water inlet pipe is positioned at the upstream of the first control valve along the water purification flow direction. In the water purifier provided by the application, after the water is stored in the water storage tank, the filter element assembly is backwashed, so that impurities on the surface of the filter element assembly are washed, the service time of the filter element is prolonged, and the use cost of the water purifier is reduced.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a water purifier.
Background
Along with people's importance to drinking water health problem, domestic water purifier is more and more popular, traditional domestic water purifier is the water purification structure that comprises multistage filtration system, specifically, the water purifier includes filter element group and cover establishes the shell in the filter element group outside, filter element group includes elementary filter element group, secondary filter element group and rear-mounted active carbon filter element along water purification flow direction, traditional elementary filter element group includes PP cotton filter core and the active carbon filter core that sets gradually along water purification flow direction, secondary filter element group includes milipore filter element and reverse osmosis RO membrane filter core etc. that set gradually along water purification flow direction.
When the water purifier works, tap water flows out through the pure water storage pipeline after being filtered by each stage of filter element in sequence, after the filter element is used for a period of time, the core hole of the filter element can be blocked by impurities, the filter element needs to be replaced frequently, and the use cost of the water purifier is high due to the fact that the filter element is expensive.
Therefore, how to reduce the use cost of the water purifier is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a water purifier, which is low in use cost.
In order to achieve the above purpose, the invention provides a water purifier, which comprises a filter element assembly, a filtering water outlet pipe connected with the water outlet end of the filtering assembly, and a filter element cleaning device for backwashing the filter element assembly, wherein the filter element cleaning device comprises a control valve and a water storage barrel for conveying water to the filtering assembly, the control valve comprises a first control valve arranged on the filtering water outlet pipe and a second control valve arranged at the water outlet end of the water storage tank, the water inlet end of the water storage tank is connected with a water inlet through a backwashing water inlet pipe, and the water inlet end of the backwashing water inlet pipe is positioned at the upstream of the first control valve along the water purification flow direction.
Preferably, the water storage tank is located above the filtering assembly, the water outlet end of the water storage tank is used for conveying cleaning water to the filtering assembly through the back flushing water outlet pipe, the second control valve is installed on the back flushing water outlet pipe, and the water outlet end of the water storage tank is located at the bottom end of the water storage tank.
Preferably, the filter component comprises a primary filter element group, a secondary filter element group and a rear active carbon filter element which are sequentially arranged along the water purification flow direction, the primary filter element is connected with the secondary filter element through a first water pipe, the secondary filter element component is connected with the rear active carbon filter element through a second water pipe, a third control valve is arranged on the first water pipe, a fourth control valve is arranged on the second water pipe, the water outlet end of the water storage tank is positioned at the upstream of the fourth control valve along the water purification flow direction, and the water outlet end of the water storage tank is connected with the second water pipe.
Preferably, the filtering water outlet pipe is a pure water outlet pipeline, the first control valve is arranged on the pure water outlet pipeline, and the water inlet end of the water storage tank is connected with the pure water outlet pipeline.
Preferably, the concentrated water outlet of the water purifier is connected with the filter element assembly through a concentrated water outlet pipeline.
Preferably, the secondary filter element comprises an ultrafiltration membrane filter element and a reverse osmosis RO membrane filter element which are sequentially arranged along the water purification flow direction.
Preferably, the water inlet end of the water storage tank is positioned at the top end of the water storage tank.
Preferably, the water collecting device also comprises a water collecting switch, a cleaning switch and a valve body controller for controlling the valve body to be opened and closed;
When the water making switch is in a working state, the controller controls the second control valve to be closed, and the first control valve, the third control valve and the fourth control valve are all in an open state;
When the water collecting switch is in a working state, the controller controls the first control valve and the second control valve to be closed, and the third control valve and the fourth control valve to be opened;
When the cleaning switch is in a working state, the controller controls the first control valve, the third control valve and the fourth control valve to be closed, and the second control valve is opened.
Preferably, the water collecting valve further comprises a timer for counting the opening time of the first control valve, the timer is connected with the valve body controller, and the valve body controller controls the opening time of the first control valve when the water collecting switch is in a working state.
Preferably, the filter assembly further comprises an indicator light used for displaying that the filter assembly is in a cleaning state, and the indicator light is connected with the valve body controller.
In the technical scheme, the water purifier provided by the invention comprises a filter element assembly, a filtering water outlet pipe connected with the water outlet end of the filtering assembly and a filter element cleaning device for backwashing the filter element assembly, wherein the filter element cleaning device comprises a control valve and a water storage barrel for conveying water to the filtering assembly, the control valve comprises a first control valve arranged on the filtering water outlet pipe and a second control valve arranged at the water outlet end of the water storage tank, the water inlet end of the water storage tank is connected with a water inlet through a backwashing water inlet pipe, and the water inlet end of the backwashing water inlet pipe is positioned at the upstream of the first control valve along the water purification flow direction. When the filter element assembly is required to be cleaned, the first control valve and the second control valve are closed, water enters the water storage tank through the backwashing water inlet pipe, after the water storage tank stores water, the second control valve is opened, and the water in the water storage tank flows into each filter element of the filter element assembly through the second control valve to perform backwashing operation on the filter element.
According to the water purifier provided by the application, after the water is stored in the water storage tank, the filter element assembly is backwashed, so that impurities on the surface of the filter element assembly are washed, the service time of the filter element is prolonged, and the service cost of the water purifier is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a water purifier according to an embodiment of the present invention.
Wherein in fig. 1: 1-tap water inlet pipe orifice, 2-raw water inlet pipe, 3-PP cotton filter element, 4-pre-activated carbon filter element, 5-ultrafiltration membrane filter element, 6-reverse osmosis RO membrane filter element, 7-post-activated carbon filter element, 8-pure water outlet pipe, 9-pure water collecting pipe orifice, 10-concentrated water discharge pipe, 11-concentrated water collecting pipe orifice, 12-first control valve, 13-back flushing water inlet pipe, 14-water storage tank, 15-third control valve, 16-second control valve, 17-fourth control valve, 18-first water pipe and 19-second water pipe.
Detailed Description
The core of the invention is to provide a water purifier, which reduces the use cost.
The present invention will be described in further detail below with reference to the drawings and embodiments, so that those skilled in the art can better understand the technical solutions of the present invention.
Referring to fig. 1, in a specific embodiment of the present invention, a water purifier includes a filter element assembly, a filtering outlet pipe connected to a water outlet end of the filtering assembly, and a filter element cleaning device for back flushing the filter element assembly, where the filter element cleaning device includes a control valve and a water storage barrel for delivering water to the filtering assembly, the control valve includes a first control valve 12 disposed on the filtering outlet pipe and a second control valve disposed at a water outlet end of a water storage tank 14, a water inlet end of the water storage tank 14 is connected to a water inlet through a back flushing inlet pipe 13, and a water inlet end of the back flushing inlet pipe 13 is located upstream of the first control valve 12 along a water purifying flow direction. Specifically, water in the water tank can be conveyed to the position of the filter element assembly through the water pump to clean the filter element.
When the filter element assembly is required to be cleaned, the first control valve 12 and the second control valve 16 are closed, water enters the water storage tank 14 through the back flushing water inlet pipe 13, after the water storage tank 14 stores water, the second control valve 16 is opened, the water in the water storage tank 14 flows into each filter element of the filter element assembly through the second control valve 16 to perform back flushing operation on the filter element, and the back flushing water can be discharged through the concentrated water discharge pipeline 10.
As can be seen from the above description, in the water purifier provided by the embodiment of the present application, after the water is stored in the water storage tank 14, the filter element assembly is backwashed, so that the impurities on the surface of the filter element assembly are washed, the replacement time of the filter element is prolonged, and the use cost of the water purifier is reduced.
Preferably, the water storage tank 14 is located above the filtering assembly, the water outlet end of the water storage tank 14 is used for conveying the cleaning water to the filtering assembly through the back flushing water outlet pipe, the second control valve 16 is installed on the back flushing water outlet pipe, and the water outlet end of the water storage tank 14 is located at the bottom end of the water storage tank 14. The water storage tank 14 is arranged above the filtering component, so that water in the water storage tank 14 automatically falls under the action of gravity, and then the filtering component is backwashed, so that the electric energy consumption is reduced, and the use cost of the water purifier is further reduced.
Further, the filter component comprises a primary filter element group, a secondary filter element group and a rear-mounted active carbon filter element 7 which are sequentially arranged along the water purification flow direction, the primary filter element and the secondary filter element are connected through a first water pipe 18, the secondary filter element component and the rear-mounted active carbon filter element 7 are connected through a second water pipe 19, a third control valve 15 is arranged on the first water pipe 18, a fourth control valve 17 is arranged on the second water pipe 19, the water outlet end of the water storage tank 14 is positioned at the upstream of the fourth control valve 17 along the water purification flow direction, and the water outlet end of the water storage tank 14 is connected with the second water pipe 19. Specifically, the primary filter element comprises a PP cotton filter element 3 and a preposed active carbon filter element 4 along the water purification flow direction.
In particular, the secondary filter element preferably comprises an ultrafiltration membrane filter element 5 and a Reverse Osmosis (RO) membrane filter element 6 which are sequentially arranged along the water purification flow direction, and of course, in the actual use process, the secondary filter element can also be a tube filter element of other media. Because the ultrafiltration membrane filter core 5 and the reverse osmosis RO membrane filter core 6 in the water purifier have higher cost, only the two-stage filter cores are backwashed, so that the water quantity is saved, the service life of the filter cores can be prolonged, and the use cost of the water purifier is reduced.
Specifically, during operation, the starting end of the back flush water inlet pipe 13 is positioned at the pure water outlet pipeline 8, meanwhile, a first control valve 12 is arranged at the pure water outlet pipeline 8, and during cleaning, the first control valve 12 is closed, so that the prepared pure water is used as back flush water inlet, and impurities can be prevented from being brought into the filter element to cause secondary pollution; the tail end of the back flushing water outlet pipe is positioned at the pipeline between the reverse osmosis RO membrane filter core 6 and the rear activated carbon filter core 7, and the back flushing can be carried out on the ultrafiltration membrane filter core 5 and the reverse osmosis RO membrane filter core 6 only, so that the water quantity is saved, and the use cost of the water purifier is minimized.
The back flush water storage barrel is connected with a back flush return pipeline, and the stored water quality is the pure water obtained after being treated by the water purifier, so that the condition that a user independently adds the pure water is avoided.
Preferably, the water outlet pipe is a pure water outlet pipeline 8, the first control valve 12 is arranged on the pure water outlet pipeline 8, and the water inlet end of the water storage tank 14 is connected with the pure water outlet pipeline 8.
In addition to the above aspects, the water purifier preferably further includes a valve body controller for controlling opening and closing of the valve body.
When the water making switch is in a working state, the controller controls the second control valve 16 to be closed, and the first control valve 12, the third control valve 15 and the fourth control valve 17 are all in an open state;
when the collecting water switch is in an operating state, the controller controls the first control valve 12 and the second control valve 16 to be closed, and the third control valve 15 and the fourth control valve 17 to be opened;
when the cleaning switch is in a working state, the controller controls the first control valve 12, the third control valve 15 and the fourth control valve 17 to be closed, the second control valve 16 to be opened, wherein each control valve in the back flushing process is controlled by the water making switch and the water collecting switch respectively through three switches, and the cleaning switch is convenient to operate. On the other hand, the water consumption for cleaning can be saved, the cost for cleaning the filter element is reduced, the comprehensive use cost is reduced, and the operation is simple and convenient through the arrangement of the control valve.
Specifically, when the water purifier produces water, the first control valve 12, the third control valve 15 and the fourth control valve 17 are opened, and the second control valve 16 is closed; when the system is cleaned, the third control valve 15 and the fourth control valve 17 are firstly opened, the first control valve 12 and the second control valve 16 are closed, after the water storage tank 14 collects enough pure water, the second control valve 16 is opened, the third control valve 15 and the fourth control valve 17 are closed, at the moment, the water in the water storage tank 14 backflushes the ultrafiltration membrane filter element 5 and the reverse osmosis RO membrane filter element 6, impurities in the filter element are flushed from the surface of the membrane, and the impurities are discharged through the concentrated water discharge pipeline 10 of the water purifier.
The concentrated water outlet of the water purifier is connected with the filter element assembly through the concentrated water outlet pipeline 10, so that the cleaned wastewater is directly discharged through the concentrated water outlet pipeline 10, and the situation of arranging redundant outlet pipelines is avoided.
In order to facilitate the water flow to the water storage tank 14, preferably, the water inlet end of the water storage tank 14 is positioned at the top end of the water storage tank 14, and the top end of the water storage tank 14 is provided with an air outlet.
Further, the water purifier further comprises a timer for counting the opening time of the first control valve 12, the timer is connected with the valve body controller, and the valve body controller controls the opening time of the first control valve when the water collecting switch is in a working state, so that the valve body controller timely closes the first control valve, and the situation that the water storage tank 14 is full of water is avoided.
Still further, this water purifier still includes the pilot lamp that is used for showing that the filtration subassembly is in the washing state, reduces when being in the washing state by the direct condition of switching to the water production state.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The water purifier comprises a filter element assembly and a filter element water outlet pipe connected with a water outlet end of the filter element assembly, and is characterized by further comprising a filter element cleaning device for backwashing the filter element assembly, wherein the filter element cleaning device comprises a control valve and a water storage tank (14) for conveying water to the filter element assembly, the control valve comprises a first control valve (12) arranged on the filter element water outlet pipe and a second control valve (16) arranged at the water outlet end of the water storage tank (14), a water inlet end of the water storage tank (14) is connected with a water inlet through a backwashing water inlet pipe (13), and the water inlet end of the backwashing water inlet pipe (13) is positioned at the upstream of the first control valve (12) along the water purification flow direction;
The water storage tank (14) is positioned above the filter element assembly, the water outlet end of the water storage tank (14) is used for conveying cleaning water to the filter element assembly through a back flushing water outlet pipe, the second control valve (16) is arranged on the back flushing water outlet pipe, and the water outlet end of the water storage tank (14) is positioned at the bottom end of the water storage tank (14);
the water inlet end of the water storage tank (14) is positioned at the top end of the water storage tank (14) so that water in the water storage tank (14) automatically falls under the action of self gravity, and the filter element assembly is backwashed and discharged through a concentrated water discharge pipeline (10) of the water purifier;
the water-making device also comprises a water-making switch, a water-collecting switch, a cleaning switch and a valve body controller for controlling the valve body to be opened and closed;
When the water making switch is in a working state, the valve body controller controls the second control valve (16) to be closed, and the first control valve (12) is in an open state;
When the collecting water switch is in an operating state, the valve body controller controls the first control valve (12) and the second control valve (16) to be closed;
When the cleaning switch is in an operating state, the valve body controller controls the first control valve (12) to be closed, and the second control valve (16) to be opened;
The filter element assembly comprises a primary filter element assembly, a secondary filter element assembly and a rear active carbon filter element (7) which are sequentially arranged along the water purification flow direction, wherein the primary filter element assembly is connected with the secondary filter element assembly through a first water pipe (18), the secondary filter element assembly is connected with the rear active carbon filter element (7) through a second water pipe (19), a third control valve (15) is arranged on the first water pipe (18), a fourth control valve (17) is arranged on the second water pipe (19), the water outlet end of the water storage tank (14) is connected with the second water pipe (19), and the water outlet end of the water storage tank (14) is positioned at the upstream of the fourth control valve (17) at the connection position of the second water pipe (19) along the water purification flow direction;
the filter element water outlet pipe is a pure water outlet pipeline (8), the first control valve (12) is arranged on the pure water outlet pipeline (8), and the water inlet end of the water storage tank (14) is connected with the pure water outlet pipeline (8);
when the water making switch is in a working state, the valve body controller controls the third control valve (15) and the fourth control valve (17) to be in an opening state;
When the water collecting switch is in an operating state, the valve body controller controls the third control valve (15) and the fourth control valve (17) to be opened;
when the cleaning switch is in an operating state, the valve body controller controls the third control valve (15) and the fourth control valve (17) to be closed.
2. The water purifier according to claim 1, wherein the concentrate outlet of the water purifier is connected to the filter element assembly by a concentrate outlet line (10).
3. The water purifier according to claim 1, wherein the secondary filter element assembly comprises an ultrafiltration membrane filter element (5) and a reverse osmosis RO membrane filter element (6) arranged in sequence in the water purification flow direction.
4. The water purifier according to claim 1, further comprising a timer for counting an opening time of the first control valve (12), the timer being connected to the valve body controller, the valve body controller controlling an opening time period of the first control valve (12) when the water collecting switch is in an operating state.
5. The water purifier of claim 1, further comprising an indicator light for indicating that the cartridge assembly is in a cleaning condition, the indicator light being coupled to the valve body controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418437.1A CN109231532B (en) | 2018-11-26 | 2018-11-26 | Water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418437.1A CN109231532B (en) | 2018-11-26 | 2018-11-26 | Water purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109231532A CN109231532A (en) | 2019-01-18 |
| CN109231532B true CN109231532B (en) | 2024-04-30 |
Family
ID=65073506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811418437.1A Active CN109231532B (en) | 2018-11-26 | 2018-11-26 | Water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109231532B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689535A (en) * | 2019-03-14 | 2020-09-22 | 杜也兵 | Electric control recoil switching method for water path of filter container of water purifier and integrated electric control valve device thereof |
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| CN203558934U (en) * | 2013-11-12 | 2014-04-23 | 青岛昊成实业有限公司 | Automatic backflush and reverse osmosis ozone water purification all-in-one machine |
| CN104030475A (en) * | 2014-07-08 | 2014-09-10 | 孙丰忠 | Water purification system with concentrated water making and backwashing functions and water purification method |
| WO2015131422A1 (en) * | 2014-03-05 | 2015-09-11 | 深圳澳特弗科技有限公司 | Intense pulsation micro wastewater discharge water purification system |
| CN206109071U (en) * | 2016-08-05 | 2017-04-19 | 深圳市君脉膜科技有限公司 | Purifier of pure water backward flow back flush milipore filter |
| CN107522311A (en) * | 2017-10-19 | 2017-12-29 | 王云龙 | A kind of water purifier |
| CN209468214U (en) * | 2018-11-26 | 2019-10-08 | 上海凯矜新材料科技有限公司 | Water purifier |
-
2018
- 2018-11-26 CN CN201811418437.1A patent/CN109231532B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203558934U (en) * | 2013-11-12 | 2014-04-23 | 青岛昊成实业有限公司 | Automatic backflush and reverse osmosis ozone water purification all-in-one machine |
| WO2015131422A1 (en) * | 2014-03-05 | 2015-09-11 | 深圳澳特弗科技有限公司 | Intense pulsation micro wastewater discharge water purification system |
| CN104030475A (en) * | 2014-07-08 | 2014-09-10 | 孙丰忠 | Water purification system with concentrated water making and backwashing functions and water purification method |
| CN206109071U (en) * | 2016-08-05 | 2017-04-19 | 深圳市君脉膜科技有限公司 | Purifier of pure water backward flow back flush milipore filter |
| CN107522311A (en) * | 2017-10-19 | 2017-12-29 | 王云龙 | A kind of water purifier |
| CN209468214U (en) * | 2018-11-26 | 2019-10-08 | 上海凯矜新材料科技有限公司 | Water purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109231532A (en) | 2019-01-18 |
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