CN110790405A - Backwashing water purification device and control method thereof - Google Patents
Backwashing water purification device and control method thereof Download PDFInfo
- Publication number
- CN110790405A CN110790405A CN201810862103.7A CN201810862103A CN110790405A CN 110790405 A CN110790405 A CN 110790405A CN 201810862103 A CN201810862103 A CN 201810862103A CN 110790405 A CN110790405 A CN 110790405A
- Authority
- CN
- China
- Prior art keywords
- water
- electromagnetic valve
- pipe
- valve
- opened
- 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
Images
Classifications
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- C02F1/442—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
- C02F1/44—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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
A backwashing water purifier comprises a primary filtering module (1), a secondary filtering module (2), a water outlet valve (4) and a water pump (3), wherein the water inlet end of the water outlet valve (4) is connected with the purified water outlet end of the secondary filtering module (2) through a water outlet pipe (23); the device is characterized in that a first electromagnetic valve (11) is arranged on the water inlet pipe (24), the device also comprises a flushing pipe and a second electromagnetic valve arranged on the flushing pipe, the front end of the flushing pipe is connected with the water inlet pipeline and is positioned between the water pump and the first electromagnetic valve, and the rear end of the flushing pipe is connected with the water outlet pipe (23); and a waste water outlet end is provided with a waste water pipe (21), and the waste water pipe (21) is provided with a waste water ratio electromagnetic valve (15). The invention also discloses a control method of the device. Through the water route structural design, provide power by the water pump, the back flush filtration module comes out with the filter core surface and the inside plug recoil of filter core, improves washing efficiency greatly.
Description
Technical Field
The invention relates to a water purifying device, in particular to a water purifying device capable of flushing a filter element, and also discloses a control method of the water purifying device.
Background
The filter element of the water purifier, especially the RO membrane filter element and the nanofiltration membrane filter element, can generate the conditions of membrane surface blockage and effluent flow reduction after being used for a period of time, so the flushing process is needed. There are also a number of flushing solutions available. Such patent documents refer to the disclosure of the Chinese patent application with application number 201410380257.4, namely, "water purification equipment and flushing method of water purification equipment" (publication number CN 104150627A); reference may also be made to the chinese invention patent application publication No. 201710983130.5 for dual cartridge forward water filtration, back flush system for water purifiers and method of use (publication No. CN 107694344A).
However, in the existing technical schemes, tap water mainly flows through the interior of the filter element directly, and the plug on the surface of the filter element is taken away by the fluidity of the tap water.
Disclosure of Invention
The invention aims to solve the technical problem of providing a backwashing water purifier in addition aiming at the technical current situation.
The invention aims to solve the technical problem of providing a backwashing water purifier which consumes less water and has high washing efficiency.
The invention aims to solve the technical problem of providing a control method of a backwashing water purifier with low water consumption and high flushing efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: a backwashing water purifying device, which comprises
The primary filtering module can filter out large-particle impurities;
the secondary filtering module capable of filtering small particle impurities is provided with a water inlet end, a purified water outlet end and a wastewater outlet end; the water inlet end is connected with the water outlet end of the primary filtering module through a water inlet pipe;
the water inlet end of the water outlet valve is connected with the purified water outlet end of the secondary filtering module through a water outlet pipe; and
the water pump is arranged on the water inlet pipe;
the device is characterized in that a first electromagnetic valve is arranged on the water inlet pipe, the device also comprises a flushing pipe and a second electromagnetic valve arranged on the flushing pipe, the front end of the flushing pipe is connected with the water inlet pipeline and is positioned between the water pump and the first electromagnetic valve, and the rear end of the flushing pipe is connected with the water outlet pipe; and a waste water outlet end is provided with a waste water pipe, and a waste water ratio electromagnetic valve is arranged on the waste water pipe.
The water outlet pipe is provided with a water outlet pipe, the water outlet pipe is provided with a third electromagnetic valve, and the third water outlet pipe can discharge water (the part of water is left during back flushing and is not subjected to purification treatment) behind the secondary filtering module, so that the cleanness of drinking water is ensured.
In consideration of automatic control, the water purifying device further comprises a controller which is in control connection with the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the wastewater ratio electromagnetic valve and the water pump.
Furthermore, the water inlet pipe is provided with a first one-way valve between the first electromagnetic valve and the second-stage filtering module. And a second one-way valve is arranged on the flushing pipe.
Furthermore, a Hall sensor electrically connected with the water pump is arranged on the water outlet valve.
Preferably, the primary filtration module can be at least one of a PP cotton filter element, an activated carbon filter element, a microfiltration membrane filter element or an ultrafiltration membrane filter element, and the secondary filtration module can be at least one of a nanofiltration membrane filter element or a reverse osmosis membrane filter element.
A control method of a backwashing water purification device is characterized by comprising the following steps:
when water is normally taken, the water outlet valve is opened, the Hall sensor is triggered, the first electromagnetic valve is opened, the second electromagnetic valve is opened, the water pump is started, the wastewater ratio electromagnetic valve is closed, and wastewater is normally discharged;
after water taking is finished, closing the water outlet valve, triggering the Hall sensor, stopping the water pump, closing the first electromagnetic valve and closing the second electromagnetic valve;
during washing, the first electromagnetic valve is closed, the second electromagnetic valve is opened, the wastewater ratio electromagnetic valve is opened, the water pump is started, the water pump reversely washes the secondary filtering module, the whole backwashing lasts for t1 time, or the washing is continuously carried out for a plurality of times, the time of t2 is extracted every time, then the first electromagnetic valve is opened, the second electromagnetic valve is closed, the wastewater ratio electromagnetic valve is opened, the washing lasts for t3 time, and the t3> t1> t2 is described.
A control method of a backwashing water purification device is characterized by comprising the following steps:
when water is normally taken, the water outlet valve is opened, the Hall sensor is triggered, the first electromagnetic valve is opened, the second electromagnetic valve is opened, the third electromagnetic valve is closed, the water pump is started, the wastewater ratio electromagnetic valve is closed, and wastewater is normally discharged;
after water taking is finished, closing the water outlet valve, triggering the Hall sensor, stopping the water pump, closing the first electromagnetic valve and closing the second electromagnetic valve;
during washing, the first electromagnetic valve is in a closed state, the second electromagnetic valve is in an open state, the wastewater ratio electromagnetic valve is opened, the water pump is started, the water pump reversely washes the secondary filtering module, the whole backwashing lasts for t1 time, or the rice is washed for a plurality of times continuously, the time t2 is extracted every time, then the first electromagnetic valve is opened, the second electromagnetic valve is closed, the wastewater ratio electromagnetic valve is in an open state, the washing lasts for t3 time, after the washing is finished, the wastewater ratio electromagnetic valve is closed, the first electromagnetic valve is opened, the third electromagnetic valve is opened, the washing lasts for t4, water behind the secondary filtering module is discharged from a drain pipe, and the t3> t4> t1> t 2.
Compared with the prior art, the invention has the advantages that: through the water route structural design, provide power by the water pump, the back flush filtration module comes out with the filter core surface and the inside plug recoil of filter core, can effectually get rid of the plug that blocks up filter core surface and filter core inside, improves the washing efficiency greatly, reduces the flushing time and washes the water, simultaneously, improves filter core life greatly.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a control schematic diagram of embodiment 1.
Fig. 3 is a schematic structural diagram of embodiment 2.
Fig. 4 is a control schematic diagram of embodiment 2.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Embodiment 1, as shown in fig. 1 and fig. 2, the backwashing water purifier in this embodiment includes a primary filtering module 1 capable of filtering out large-particle impurities, a secondary filtering module 2 capable of filtering out small-particle impurities, a water outlet valve 4, a water pump 3, a flushing pipe 22, and a controller 100.
The primary filtering module 1 can filter out large-particle impurities; the secondary filtering module 2 can filter small particle impurities, and the secondary filtering module 2 is provided with a water inlet end, a purified water outlet end and a wastewater outlet end; the water inlet end is connected with the water outlet end of the primary filtering module 1 through a water inlet pipe 24.
The water inlet end of the water outlet valve 4 is connected with the purified water outlet end of the secondary filtering module 2 through a water outlet pipe 23; the water outlet valve 4 is provided with a Hall sensor which is electrically connected with the water pump 3. The water pump 3 is arranged on the water inlet pipe 24.
A first electromagnetic valve 11 is arranged on the water inlet pipe 24, a second electromagnetic valve 12 is arranged on the flushing pipe 22, the front end of the flushing pipe 22 is connected with the water inlet pipe 24 and is positioned between the water pump 3 and the first electromagnetic valve 11, and the rear end is connected with the water outlet pipe 23; the waste water outlet end is provided with a waste water pipe 21, and the waste water pipe 21 is provided with a waste water ratio electromagnetic valve 15. To prevent reverse flow, the inlet pipe 24 is provided with a first check valve 51 between the first solenoid valve and the secondary filter module 2. A second one-way valve 52 is provided on the flush tube 22.
The controller 100 is connected with the first electromagnetic valve 11, the second electromagnetic valve 12, the waste water ratio electromagnetic valve 15 and the water pump 3 in a control mode.
The first-stage filtration module 1 in this embodiment may be at least one of a PP cotton filter element, an activated carbon filter element, a microfiltration membrane filter element or an ultrafiltration membrane filter element, and the second-stage filtration module 2 may be at least one of a nanofiltration membrane filter element or a reverse osmosis membrane filter element.
In this embodiment, a small amount of water flows out of the waste water when the solenoid valve 15 is fully closed, and substantially no water flows out of the clean water port when the solenoid valve is fully opened. The water outlet valve 4 can adopt a common water tap.
The control method of the backwashing water purifier comprises the following steps:
when water is normally taken, the water outlet valve 4 is opened, the Hall sensor is triggered, the first electromagnetic valve 11 is opened, the second electromagnetic valve 12 is opened, the water pump 3 is started, the wastewater ratio electromagnetic valve 15 is closed, and wastewater is normally discharged;
after water taking is finished, the water outlet valve 4 is closed, the Hall sensor is triggered, the water pump 3 is stopped, the first electromagnetic valve 11 is closed, and the second electromagnetic valve 12 is closed;
during flushing, the first solenoid valve 11 is closed, the second solenoid valve 12 is opened, the waste water ratio solenoid valve 15 is opened, the water pump 3 is started, the water pump 3 reversely flushes the secondary filter module 2, the whole backwashing lasts for t1 (for example, t1 ═ 2s), or multiple times of flushing are continuously carried out, t2 (for example, t2 ═ 0.2s) is pumped each time, then the first solenoid valve 11 is opened, the second solenoid valve 12 is closed, the waste water ratio solenoid valve 15 is opened, and the flushing lasts for t3 (for example, t3 ═ 10 s).
In embodiment 2, as shown in fig. 3 and 4, the water outlet pipe 23 in this embodiment is provided with a water outlet pipe 25, and the water outlet pipe 25 is provided with a third electromagnetic valve 13. The controller 100 is in control connection with the third electromagnetic valve 13. Other structures refer to example 1.
The control method of the backwashing water purifier comprises the following steps:
when water is normally taken, the water outlet valve 4 is opened, the Hall sensor is triggered, the first electromagnetic valve 11 is opened, the second electromagnetic valve 12 is opened, the third electromagnetic valve 13 is closed, the water pump 3 is started, the wastewater ratio electromagnetic valve 15 is closed, and wastewater is normally discharged;
after water taking is finished, the water outlet valve 4 is closed, the Hall sensor is triggered, the water pump 3 is stopped, the first electromagnetic valve 11 is closed, and the second electromagnetic valve 12 is closed;
during flushing, the first solenoid valve 11 is closed, the second solenoid valve 12 is opened, the waste water ratio solenoid valve 15 is opened, the water pump 3 is started, the water pump 3 reversely flushes the secondary filter module 2, the whole backwashing lasts for t1 (e.g. t1 ═ 2s) or multiple times of continuous flushing, t2 (e.g. t2 ═ 0.2s) is extracted each time, then the first solenoid valve 11 is opened, the second solenoid valve 12 is closed, the waste water ratio solenoid valve 15 is opened, t3 (e.g. t3 ═ 10s) is continuously flushed, after the flushing is finished, the waste water ratio solenoid valve 15 is closed, the first solenoid valve 11 is opened, the third solenoid valve 13 is opened, t4 (e.g. t4 ═ 3s) is continuously flushed, and water behind the secondary filter module 2 (the part of water is not subjected to purification treatment) is discharged from the water discharge pipe 25.
Claims (9)
1. A backwashing water purifying device, which comprises
A primary filtering module (1) capable of filtering out large-particle impurities;
the secondary filtering module (2) capable of filtering small particle impurities is provided with a water inlet end, a purified water outlet end and a waste water outlet end; the water inlet end is connected with the water outlet end of the primary filtering module (1) through a water inlet pipe (24);
the water inlet end of the water outlet valve (4) is connected with the purified water outlet end of the secondary filtering module (2) through a water outlet pipe (23); and
a water pump (3) arranged on the water inlet pipe (24);
the device is characterized in that a first electromagnetic valve (11) is arranged on the water inlet pipe (24), the device also comprises a flushing pipe (22) and a second electromagnetic valve (12) arranged on the flushing pipe, the front end of the flushing pipe (22) is connected with the water inlet pipe (24) and is positioned between the water pump (3) and the first electromagnetic valve (11), and the rear end is connected with the water outlet pipe (23); and a waste water outlet end is provided with a waste water pipe (21), and the waste water pipe (21) is provided with a waste water ratio electromagnetic valve (15).
2. The backwashing water purifier of claim 1, wherein the outlet valve (4) is provided with a Hall sensor electrically connected with the water pump (3).
3. The backwashing water purifier of claim 2, wherein the outlet pipe (23) is provided with a drain pipe (25), and the drain pipe (25) is provided with a third electromagnetic valve (13).
4. The backwashing water purifier of claim 2, further comprising a controller (100), wherein the controller (100) is in control connection with the first solenoid valve (11), the second solenoid valve (12), the third solenoid valve (13), the wastewater ratio solenoid valve (15), and the water pump (3).
5. The backwashing water purifier of claim 1, wherein the water inlet pipe is provided with a first one-way valve (51) between the first solenoid valve and the secondary filter module (2).
6. The backwash water purification device as claimed in claim 1 or 4, wherein a second one-way valve (52) is provided on the flush pipe.
7. The backwashing water purifier of claim 1, wherein the primary filtering module (1) is at least one of a PP cotton filter element, an activated carbon filter element, a microfiltration membrane filter element or an ultrafiltration membrane filter element, and the secondary filtering module (2) is at least one of a nanofiltration membrane filter element or a reverse osmosis membrane filter element.
8. A method for controlling the backwashing water purifier as recited in claim 2, comprising the steps of:
when water is normally taken, the water outlet valve (4) is opened, the Hall sensor is triggered, the first electromagnetic valve (11) is opened, the second electromagnetic valve (12) is opened, the water pump (3) is started, the wastewater ratio electromagnetic valve (15) is closed, and wastewater is normally discharged;
after water taking is finished, closing the water outlet valve (4), triggering the Hall sensor, stopping the water pump (3), closing the first electromagnetic valve (11), and closing the second electromagnetic valve (12);
during washing, the first electromagnetic valve (11) is closed, the second electromagnetic valve (12) is opened, the wastewater ratio electromagnetic valve (15) is opened, the water pump (3) is started, the water pump (3) washes the secondary filtering module (2) in a reverse mode, the whole back washing lasts for t1 time, or the washing is continuously carried out for multiple times, the time t2 is extracted every time, then the first electromagnetic valve (11) is opened, the second electromagnetic valve (12) is closed, the wastewater ratio electromagnetic valve (15) is opened, the washing lasts for t3 time, and the t3> t1> t2 is formed.
9. A method for controlling the backwashing water purifier as recited in claim 3, comprising the steps of:
when water is normally taken, the water outlet valve (4) is opened, the Hall sensor is triggered, the first electromagnetic valve (11) is opened, the second electromagnetic valve (12) is opened, the third electromagnetic valve (13) is closed, the water pump (3) is started, the wastewater ratio electromagnetic valve (15) is closed, and wastewater is normally discharged;
after water taking is finished, closing the water outlet valve (4), triggering the Hall sensor, stopping the water pump (3), closing the first electromagnetic valve (11), and closing the second electromagnetic valve (12);
during flushing, the first electromagnetic valve (11) is in a closed state, the second electromagnetic valve (12) is in an open state, the wastewater ratio electromagnetic valve (15) is opened, the water pump (3) is started, the water pump (3) reversely flushes the secondary filtering module (2), the whole backwashing lasts for t1 time, or multiple times of continuous flushing are carried out, t2 time is extracted every time, then the first electromagnetic valve (11) is opened, the second electromagnetic valve (12) is closed, the wastewater ratio electromagnetic valve (15) is in an open state, the flushing lasts for t3 time, after the flushing is finished, the wastewater ratio electromagnetic valve (15) is closed, the first electromagnetic valve (11) is opened, the third electromagnetic valve (13) is opened, the flushing lasts for t4, water behind the secondary filtering module is discharged from the water discharge pipe (25), and the t3> t4> t1> t 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862103.7A CN110790405A (en) | 2018-08-01 | 2018-08-01 | Backwashing water purification device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862103.7A CN110790405A (en) | 2018-08-01 | 2018-08-01 | Backwashing water purification device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110790405A true CN110790405A (en) | 2020-02-14 |
Family
ID=69424942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810862103.7A Pending CN110790405A (en) | 2018-08-01 | 2018-08-01 | Backwashing water purification device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110790405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775198A (en) * | 2022-03-25 | 2022-07-22 | 安庆华维产业用布科技有限公司 | Mangle recovery unit that falls into water for production of pure cotton water thorn non-woven fabrics |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007160259A (en) * | 2005-12-15 | 2007-06-28 | Kawamoto Pump Mfg Co Ltd | Water purifying apparatus |
| CN104649454A (en) * | 2015-03-10 | 2015-05-27 | 广东汇聚环保科技有限公司 | Micro-wastewater purifier |
| CN205528040U (en) * | 2016-01-25 | 2016-08-31 | 日出东方太阳能股份有限公司 | Water -saving type reverse osmosis water purifier |
| CN206219318U (en) * | 2016-09-21 | 2017-06-06 | 深圳市深水海纳净水科技有限公司 | A kind of backwashing water purification apparatus |
| CN106830187A (en) * | 2016-12-28 | 2017-06-13 | 浙江沁园水处理科技有限公司 | With the water purifier for preventing reverse osmosis membrane secondary pollution function |
-
2018
- 2018-08-01 CN CN201810862103.7A patent/CN110790405A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007160259A (en) * | 2005-12-15 | 2007-06-28 | Kawamoto Pump Mfg Co Ltd | Water purifying apparatus |
| CN104649454A (en) * | 2015-03-10 | 2015-05-27 | 广东汇聚环保科技有限公司 | Micro-wastewater purifier |
| CN205528040U (en) * | 2016-01-25 | 2016-08-31 | 日出东方太阳能股份有限公司 | Water -saving type reverse osmosis water purifier |
| CN206219318U (en) * | 2016-09-21 | 2017-06-06 | 深圳市深水海纳净水科技有限公司 | A kind of backwashing water purification apparatus |
| CN106830187A (en) * | 2016-12-28 | 2017-06-13 | 浙江沁园水处理科技有限公司 | With the water purifier for preventing reverse osmosis membrane secondary pollution function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775198A (en) * | 2022-03-25 | 2022-07-22 | 安庆华维产业用布科技有限公司 | Mangle recovery unit that falls into water for production of pure cotton water thorn non-woven fabrics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101597110B (en) | Anti-pollution reverse-osmosis water purification machine | |
| CN104891699A (en) | Water purifier with raw water utilization rate monitoring and filter element replacement alarming functions | |
| CN201037121Y (en) | Long-acting type water purifier | |
| CN106348395A (en) | Water purifier system and control method for controlling same | |
| CN108328775A (en) | A kind of micro- waste water water purifier of auto-flushing | |
| CN203922880U (en) | A kind of water-purifying machine | |
| CN106673137B (en) | Double-membrane long-acting water production system | |
| CN105642118A (en) | Automatic backwash water purification system for backwash water purifier and washing method of system | |
| TW200404601A (en) | Operating method of separation membrane module and separation membrane apparatus | |
| CN110790405A (en) | Backwashing water purification device and control method thereof | |
| CN108218003B (en) | Water purifier and water purifying method thereof | |
| CN109231648A (en) | A kind of micro- waste water reverse osmosis water purifier for being not easy stifled film and saving filter core consumptive material | |
| CN215539848U (en) | Water purifier | |
| CN209940633U (en) | Backwashing water purifier | |
| CN210163221U (en) | Ecological environment-friendly wastewater-free water purifier | |
| CN211644812U (en) | Water purification system | |
| CN114191877A (en) | Control method and control device for forward and backward washing water purification system | |
| RU2668909C1 (en) | Water filtration system | |
| CN105347439A (en) | Water saving-type reverse osmosis purifier | |
| CN206447672U (en) | A kind of long-acting water manufacturing system | |
| CN110734150A (en) | Backwashing water purifier and control method thereof | |
| CN217418227U (en) | Waterway system for providing high-quality purified water | |
| CN111453865A (en) | Novel water purifying device and control method thereof | |
| CN209024291U (en) | A kind of back flushing purifier | |
| CN110538577A (en) | Reverse-flushing structure and reverse-flushing method of RO (reverse osmosis) system |
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 |