CN107244767A - A kind of intelligent hollow fiber nanofiltration membrane water purifier - Google Patents
A kind of intelligent hollow fiber nanofiltration membrane water purifier Download PDFInfo
- Publication number
- CN107244767A CN107244767A CN201710555256.2A CN201710555256A CN107244767A CN 107244767 A CN107244767 A CN 107244767A CN 201710555256 A CN201710555256 A CN 201710555256A CN 107244767 A CN107244767 A CN 107244767A
- Authority
- CN
- China
- Prior art keywords
- filter core
- level
- pressure sensor
- magnetic valve
- water
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000012528 membrane Substances 0.000 title claims abstract description 66
- 238000001728 nano-filtration Methods 0.000 title claims abstract description 24
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 230000035622 drinking Effects 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000003651 drinking water Substances 0.000 abstract description 2
- 235000020188 drinking water Nutrition 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001410 inorganic ion Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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)
Abstract
The present invention relates to a kind of intelligent hollow fiber nanofiltration membrane water purifier, with functions such as direct drinking production, domestic water production, automatically cleaning and filter element replacing early warning, main filter core is used as using hollow fiber nanofiltration membrane, effective area is big, high permeable amount, fully meets daily life and drinking-water is used, and introduces frequency conversion force (forcing) pump technology, low power consuming, flow are controllable, are applicable different function requirements.Full process automatization is controlled, and simple to operate, green low-carbon greatly prolongs NF membrane service life.
Description
Technical field:
The present invention relates to water purifier technical field, especially a kind of intelligent hollow fiber nanofiltration membrane water purifier.
Background technology：
Water purifier be it is a kind of main by physical filtering principle by suspension, colloid, heavy metal, microorganism, disease in raw water
The materials such as poison, bacterium are retained, it is allowed to a kind of water treatment facilities that hydrone and other ions pass through.With industry and city hair
Exhibition, the safety of water source has been paid attention to, for water resource terminal user, the water as caused by a supply channel or secondary water-supply
Contamination phenomenon is more and more, therefore Domestic water purifier arises at the historic moment, and in the market main flow water purifier can be divided into according to the pump housing is whether there is
Pressure water purifier and normal-pressured water purifier.
Normal-pressured water purifier does not have force (forcing) pump, is driving by running water pipe pressure, and water inlet passes through cotton core, activated carbon core, ultrafiltration
Film core, ceramic element etc., can effectively remove suspension, iron rust, sand grain thing etc. in water removal, its water outlet typically cannot be direct
Drink, can only be used as primary filter water.
In order to further improve the clean-up effect of water, the level that can directly drink is reached, it is net that researcher proposes pressurization
Hydrophone, RO reverse osmosis membrane water purifiers are a kind of common pressure water purifiers, pressurized pump pressurization, and harmful substance is filtered in water,
Inorganic ions beneficial to human body in water body is removed in the lump simultaneously, and moreover RO reverse osmosis membranes water purifier is because water flow
It is smaller, it is necessary to supporting storage tank, increases and uses space, storage for a long time also easily causes secondary pollution.Therefore there is patent CN
1222476C discloses another pressure water purifier, and nanofiltration membrane water purifier, without storage tank, reduces volume and more avoids secondary dirt
Dye, but do not provide the cleaning way of water purifier.
During water purifier use, the use that filter core is frequently replaced by water purifier increases many inconvenience, due to using feelings
Condition is different, and producer can not also provide the correct time of each family's filter element replacing, and in the market main flow water purifier also only provides filter
The theoretical life-span of core.As people step up to quality of the life, low-carbon life just enters every household, how to reduce water purification
The energy consumption of device, prolonging service life of filter elements, exactly present water purifier field urgent problem to be solved.
The content of the invention：
The state of the art that the technical problems to be solved by the invention are exactly faced for above-mentioned water purifier, and one proposed
Plant intelligent hollow fiber nanofiltration membrane water purifier.
The intelligent hollow fiber nanofiltration membrane water purifier, as main filtration material, is had using NF membrane in water is removed
Retain inorganic ion in water as far as possible on the basis of evil material, suitable different crowd is drunk；Using hollow fiber form nanofiltration
Film can be effectively increased membrane area, increase water flow, without water tank；Using variable ratio frequency changer force (forcing) pump, energy consumption is reduced, by micro- electricity
Brain controller control can be with degree of purification of the unrestricted choice to water, for drinking water or domestic water；Control to supervise using micro computer
The pollution level of NF membrane is surveyed, and can be cleaned automatically, the automatic change prompting filter core time, cost is reduced.
To achieve the above object, present invention offer technical scheme is as follows：
A kind of intelligent hollow fiber nanofiltration membrane water purifier, including entering water electromagnetic valve (1), one-level filter core (2), two grades of filter cores
(3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter membrane pressure sensor (7), three-level filter core (8), membrane
Pressure sensor (9), the second magnetic valve (10), level Four filter core (11), the 3rd magnetic valve (12), the 4th magnetic valve (13), water outlet
Tap (14), cleaning discharge solenoid valve (15), microcomputer controller (16), can intellectuality realize direct drinking production, life
With functions such as aquatic production, filter core self-cleaning, filter element replacing early warning；The microcomputer controller is integrated with display screen；The straight drink
Water is produced as inlet pipeline and is connected with depotition cock (14), be followed successively by pipeline entering water electromagnetic valve (1), one-level filter core (2), two grades
Filter core (3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter membrane pressure sensor (7), three-level filter core (8),
Go out membrane pressure sensor (9), the second magnetic valve (10), level Four filter core (11), the 4th magnetic valve (13)；The domestic water production
It is connected for inlet pipeline with depotition cock, entering water electromagnetic valve (1), one-level filter core (2), two grades of filter cores (3), is followed successively by pipeline
Three magnetic valves (12)；The filter core self-cleaning is that inlet pipeline is connected with sewage draining exit by pipeline, is followed successively by pipeline into water power
Magnet valve (1), one-level filter core (2), two grades of filter cores (3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter mould
Force snesor (7), three-level filter core (8), go out membrane pressure sensor (9), cleaning discharge solenoid valve (15)；The filter element replacing early warning
Terminate rear micro computer for cleaning to contrast into membrane pressure sensor, go out membrane pressure sensor numerical value, sent and whether changed according to setting
Filter core early warning, and shown by display screen；The display screen, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, cleaning row
Electric discharge magnet valve, enter membrane pressure sensor, go out membrane pressure sensor, frequency conversion force (forcing) pump and be connected respectively with microcomputer controller, and by
Microcomputer controller is controlled.
It is used as the further scheme of invention：The one-level material for core is melt-blown PP cotton cores or line around PP cotton cores or pottery
One kind in porcelain filter core.
It is used as the further scheme of invention：Two grades of material for core are one in granular activated carbon or extruded activated carbon
Kind.
It is used as the further scheme of invention：The three-level material for core is hollow fiber nanofiltration membrane.
It is used as the further scheme of invention：The level Four material for core is active carbon loading silver.
Brief description of the drawings：
Fig. 1 is intelligent hollow fiber nanofiltration membrane water purifier schematic flow sheet of the invention；
Fig. 2 is intelligent hollow fiber nanofiltration membrane water purifier control system schematic diagram of the invention.
Embodiment：
With reference to accompanying drawing in the embodiment of the present invention, the embodiment of the present invention is further described.But example is embodied not
The requirement of limitation right of the present invention.
A kind of intelligent hollow fiber nanofiltration membrane water purifier, including entering water electromagnetic valve (1), one-level filter core (2), two grades of filter cores
(3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter membrane pressure sensor (7), three-level filter core (8), membrane
Pressure sensor (9), the second magnetic valve (10), level Four filter core (11), the 3rd magnetic valve (12), the 4th magnetic valve (13), water outlet
Tap (14), cleaning discharge solenoid valve (15), microcomputer controller (16), can intellectuality realize direct drinking production, life
With functions such as aquatic production, filter core self-cleaning, filter element replacing early warning；Display screen is integrated with the microcomputer controller.
The direct drinking is produced as inlet pipeline and is connected with depotition cock (14), be followed successively by pipeline entering water electromagnetic valve (1),
One-level filter core (2), two grades of filter cores (3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter membrane pressure sensor
(7), three-level filter core (8), go out membrane pressure sensor (9), the second magnetic valve (10), level Four filter core (11), the 4th magnetic valve (13)；
The domestic water is produced as inlet pipeline and is connected with depotition cock, and entering water electromagnetic valve (1), one are followed successively by pipeline
Level filter core (2), two grades of filter cores (3), the 3rd magnetic valves (12)；
The filter core self-cleaning is that inlet pipeline is connected with sewage draining exit by pipeline, and entering water electromagnetic valve is followed successively by pipeline
(1), one-level filter core (2), two grades of filter cores (3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter film pressure biography
Sensor (7), three-level filter core (8), go out membrane pressure sensor (9), cleaning discharge solenoid valve (15)；
The filter element replacing early warning terminates rear micro computer for cleaning and contrasts into membrane pressure sensor, goes out membrane pressure sensor number
Value, sends whether change filter core early warning according to setting, and show by display screen.
The display screen, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, clean discharge solenoid valve, enter film pressure biography
Sensor, go out membrane pressure sensor, frequency conversion force (forcing) pump and be connected respectively with microcomputer controller, and by microcomputer controller control.
The core of the present invention：
One by showing that on-screen button can be with unrestricted choice water purifier function, respectively direct drinking pattern, domestic water mould
Formula, automatically cleaning pattern and filter element replacing early warning；
Direct drinking pattern：Running water passes sequentially through entering water electromagnetic valve, one-level filter core, two grades of filter cores, the first magnetic valve, frequency conversions
Force (forcing) pump, check-valves, enter membrane pressure sensor, three-level filter core, go out membrane pressure sensor, level Four filter core, the second magnetic valve, water outlet
Tap, running water passes through I and II filter core primary filter, and by three-level nanofiltration filter core secondary filter, level Four filter core can have
Good bactericidal taste removal effect, water outlet can directly be drunk.
Domestic water pattern：Running water passes sequentially through entering water electromagnetic valve, one-level filter core, two grades of filter cores, the 3rd magnetic valves, goes out
Faucet water, water outlet can be used as domestic water.For the cleaning of the apparatus such as bowls and chopsticks, frequency conversion can not be started in domestic water pattern
Force (forcing) pump, reduces to NF membrane frequency of use, reduces energy consumption.
Automatically cleaning pattern：When micro computer monitors that NF membrane needs cleaning, clean prompting can be sent by display screen, from
Running water passes sequentially through entering water electromagnetic valve, one-level filter core, two grades of filter cores, the first magnetic valve, frequency conversion force (forcing) pump, only during cleaning mode
Valve is returned, enters membrane pressure sensor, three-level filter core, go out membrane pressure sensor, cleaning discharge solenoid valve, from sewage draining exit discharge, clear
During mold cleaning formula, micro computer control frequency conversion force (forcing) pump improves flow, and high flux flushing NF membrane reaches the purpose of cleaning, reduces filter
Core replacement frequency.
Filter element replacing early warning：Microcomputer controller is monitored, if after cleaning, NF membrane is unable to reach sets requirement, then sends out
Go out filter element replacing early warning, point out user to change nanofiltration membrane cartridge on a display screen, it is ensured that the normal operation of purifier.
Two frequency conversions pressurization pumping action：In direct drinking pattern, it is ensured that under the premise of normal production water, using low frequency, to reach drop
Low energy consumption, saves the effect of the energy；In a cleaning mode, improved by frequency, increase NF membrane surface flow reaches NF membrane
The effect of self-cleaning.
Three act on into and out of membrane pressure sensor：Film inlet and outlet pressure is monitored, by pressure differential, judges that nanofiltration membrane cartridge is
No to need cleaning, overall process is performed by microcomputer controller.
Four microcomputer controllers are acted on：Man-machine interaction is carried out by display screen, magnetic valve under different mode can be controlled
Switch, the start and stop of frequency conversion force (forcing) pump, by data acquisition (pressure sensor), judge nanofiltration membrane cartridge whether need clean or more
Change, and send prompting.
Claims (5)
1. a kind of intelligent hollow fiber nanofiltration membrane water purifier, it is characterised in that：Including entering water electromagnetic valve (1), one-level filter core
(2), two grades of filter cores (3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter membrane pressure sensor (7), three-level
Filter core (8), go out membrane pressure sensor (9), the second magnetic valve (10), level Four filter core (11), the 3rd magnetic valve (12), the 4th electromagnetism
Valve (13), water tap with two outlet (14), cleaning discharge solenoid valve (15), microcomputer controller (16), intelligent can realize straight drink
Aquatic production, domestic water production, filter core self-cleaning and filter element replacing warning function；Display is integrated with the microcomputer controller
Screen；The direct drinking is produced as inlet pipeline and is connected with depotition cock (14), and entering water electromagnetic valve (1), one-level are followed successively by pipeline
Filter core (2), two grades of filter cores (3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), check-valves (6), enter membrane pressure sensor (7),
Three-level filter core (8), go out membrane pressure sensor (9), the second magnetic valve (10), level Four filter core (11), the 4th magnetic valve (13)；It is described
Domestic water is produced as inlet pipeline and is connected with depotition cock, and entering water electromagnetic valve (1), one-level filter core (2), two are followed successively by pipeline
Level filter core (3), the 3rd magnetic valve (12)；The filter core self-cleaning is that inlet pipeline is connected with sewage draining exit by pipeline, on pipeline
It is followed successively by entering water electromagnetic valve (1), one-level filter core (2), two grades of filter cores (3), the first magnetic valve (4), frequency conversion force (forcing) pump (5), non-returns
Valve (6), enter membrane pressure sensor (7), three-level filter core (8), go out membrane pressure sensor (9), cleaning discharge solenoid valve (15)；It is described
Filter element replacing early warning terminates rear micro computer for cleaning and contrasts into membrane pressure sensor, goes out membrane pressure sensor numerical value, according to setting
Send and whether change filter core early warning, and shown by display screen；The display screen, the first magnetic valve, the second magnetic valve, the 3rd electricity
Magnet valve, clean discharge solenoid valve, enter membrane pressure sensor, go out membrane pressure sensor, frequency conversion force (forcing) pump respectively with micro computer control
Device is connected, and by microcomputer controller control.
2. a kind of intelligent hollow fiber nanofiltration membrane water purifier according to right 1, it is characterised in that the one-level material for core
For the one kind of melt-blown PP cotton cores or line in PP cotton cores or ceramic element.
3. a kind of intelligent hollow fiber nanofiltration membrane water purifier according to right 1, it is characterised in that two grades of material for core
For one kind in granular activated carbon or extruded activated carbon.
4. a kind of intelligent hollow fiber nanofiltration membrane water purifier according to right 1, it is characterised in that the three-level material for core
For hollow fiber nanofiltration membrane.
5. a kind of intelligent hollow fiber nanofiltration membrane water purifier according to right 1, it is characterised in that the level Four material for core
For active carbon loading silver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555256.2A CN107244767A (en) | 2017-07-10 | 2017-07-10 | A kind of intelligent hollow fiber nanofiltration membrane water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555256.2A CN107244767A (en) | 2017-07-10 | 2017-07-10 | A kind of intelligent hollow fiber nanofiltration membrane water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107244767A true CN107244767A (en) | 2017-10-13 |
Family
ID=60014900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710555256.2A Pending CN107244767A (en) | 2017-07-10 | 2017-07-10 | A kind of intelligent hollow fiber nanofiltration membrane water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107244767A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394813A (en) * | 2002-07-22 | 2003-02-05 | 伍华本 | Microcomputer monitored pipe type water-purifying machine |
| CN103553233A (en) * | 2013-11-20 | 2014-02-05 | 陈忠林 | Bucket-free water-saving water purifier |
| CN105152382A (en) * | 2015-10-13 | 2015-12-16 | 成都纳滤通科技有限公司 | Nonelectric automatic-washing double-water-outlet nanofiltration or reverse osmosis water purifier |
| CN206940615U (en) * | 2017-07-10 | 2018-01-30 | 戈澄 | A kind of intelligent hollow fiber nanofiltration membrane water purifier |
-
2017
- 2017-07-10 CN CN201710555256.2A patent/CN107244767A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394813A (en) * | 2002-07-22 | 2003-02-05 | 伍华本 | Microcomputer monitored pipe type water-purifying machine |
| CN103553233A (en) * | 2013-11-20 | 2014-02-05 | 陈忠林 | Bucket-free water-saving water purifier |
| CN105152382A (en) * | 2015-10-13 | 2015-12-16 | 成都纳滤通科技有限公司 | Nonelectric automatic-washing double-water-outlet nanofiltration or reverse osmosis water purifier |
| CN206940615U (en) * | 2017-07-10 | 2018-01-30 | 戈澄 | A kind of intelligent hollow fiber nanofiltration membrane water purifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203613057U (en) | Multi-level purification device for tap water | |
| CN103553233B (en) | Bucket-free water-saving water purifier | |
| CN100469981C (en) | Household quality separation water-supply method and apparatus | |
| CN206940615U (en) | A kind of intelligent hollow fiber nanofiltration membrane water purifier | |
| CN107445333B (en) | Large flux ultrafiltration soft water integration water purifier | |
| CN210122529U (en) | Reverse osmosis direct drinking water purifying equipment | |
| CN204607748U (en) | Water-purifying filter | |
| CN104140172A (en) | Seawater desalination pretreatment method | |
| CN206642586U (en) | A kind of purifier for running water filter core | |
| CN107244767A (en) | A kind of intelligent hollow fiber nanofiltration membrane water purifier | |
| CN207391122U (en) | A kind of water purifier | |
| CN207062005U (en) | A kind of household water filter for automatically adjusting waste water ratio | |
| CN205616657U (en) | Self -cleaning water purifier device | |
| CN111453868B (en) | CIP (cleaning in place) process for deep purification and filtration of drinking water by using membrane core | |
| CN212504295U (en) | Novel ultrafiltration purifier | |
| CN213834774U (en) | Filter element assembly and water purification system | |
| CN205528077U (en) | Take backwash function's water purifier | |
| CN211226683U (en) | Self-cleaning water purification system with efficient filtering function | |
| CN208151065U (en) | MBR integrated domestic sewage treatment device | |
| CN210163221U (en) | Ecological environment-friendly wastewater-free water purifier | |
| CN108840485B (en) | Leading filtration system of drinking water | |
| CN203043687U (en) | Floc self-filtering device for sewage treatment | |
| CN202643465U (en) | Household tap water purification device | |
| CN206940642U (en) | A kind of stainless steel water tank with filtering technique | |
| CN102276114B (en) | Water treatment equipment |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171013 |
|
| RJ01 | Rejection of invention patent application after publication |