CN107265570A - A kind of automatic back-washing water purifier - Google Patents
A kind of automatic back-washing water purifier Download PDFInfo
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- CN107265570A CN107265570A CN201710699078.0A CN201710699078A CN107265570A CN 107265570 A CN107265570 A CN 107265570A CN 201710699078 A CN201710699078 A CN 201710699078A CN 107265570 A CN107265570 A CN 107265570A
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- water
- reverse osmosis
- water tank
- electromagnetic valve
- osmosis produced
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- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- 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
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention discloses a kind of automatic back-washing water purifier, include electromagnetic valve, circulating pressure pump, RO counter-infiltrations, water tank, the water producing pipe road of the reverse osmosis produced water end (W.E.)s of RO is provided with electromagnetic valve, the reverse osmosis produced water end (W.E.)s of RO connect water tank by the electromagnetic valve on water tank inlet pipeline, the reverse osmosis produced water end (W.E.)s of RO connect circulating pressure pump by the electromagnetic valve on RO film water producing pipes road, the RO feed water by reverse osmosis pipeline is provided with the electromagnetic valve for being used for controlling water source, water source enters purification filtering in RO counter-infiltrations by the electromagnetic valve on RO feed water by reverse osmosis pipelines, water tank inlet pipeline is provided with electromagnetic valve, RO films produce water and entered by water tank inlet pipeline solenoid door in water tank, the water tank is provided with TDS sensors, the pressures cycle pump other end is connected with water tank water producing pipe road, water tank water producing pipe road end is provided with the electromagnetic valve for being used for controlling water outlet, a kind of clear in structure automatic back-washing RO anti-penetration water purifiers, greatly protect the service life of water purification catridge.
Description
Technical field
The present invention relates to household water filter field, more particularly to a kind of automatic back-washing water purifier.
Background technology
The backwash of water purifier and purifier on the market is rinsed with municipal tap water at present, and such effect is not only not
Ideal, secondary blocking can be also caused to filter core, the purification filtering function of filter core itself is more influenceed on the contrary.
The present invention provides a kind of automatic back-washing water purifier and method, using the production water of water purifier itself come backwash filter core, no
But filtering is notable and has fundamentally prevented secondary pollution of the water purifier in purification process.
The content of the invention
The technical solution of the present invention is to provide a kind of water purifier and method with following structure, includes magnetic valve
Door, circulating pressure pump, RO counter-infiltrations, water tank, the water producing pipe road of the reverse osmosis produced water end (W.E.)s of RO are provided with electromagnetic valve, RO counter-infiltrations
Produce water end (W.E.) and water tank is connected by the electromagnetic valve on water tank inlet pipeline, the reverse osmosis produced water end (W.E.)s of RO pass through RO film water producing pipes road
On electromagnetic valve connection circulating pressure pump, the RO feed water by reverse osmosis pipeline, which is provided with, to be used to control the electromagnetic valve at water source,
Water source enters purification filtering in RO counter-infiltrations by the electromagnetic valve on RO feed water by reverse osmosis pipelines, and water tank inlet pipeline is set
There is electromagnetic valve, RO films produce water and entered by water tank inlet pipeline solenoid door in water tank, and the water tank is provided with
TDS sensors, the pressures cycle pump other end is connected with water tank water producing pipe road, and water tank water producing pipe road end, which is provided with, to be used for
Control the electromagnetic valve of water outlet.
As a preferred embodiment, the RO reverse osmosis produced waters pipeline electromagnetic valve, the RO reverse osmosis produced waters water quality in water tank
During more than presetting TDS index parameters, the electromagnetic valve on RO feed water by reverse osmosis pipelines is in closed mode, and RO counter-infiltrations do not exist
The electromagnetic valve that electromagnetic valve on water inlet, water tank inlet pipeline is on closed mode, water tank outlet pipeline is in close shape
In opened condition, the electromagnetic valve in the reverse osmosis produced water lines of RO is in closed mode to electromagnetic valve on state, RO film blowoff lines.
As a preferred embodiment, the water tank inlet pipeline solenoid door is connected with the reverse osmosis produced water lines of RO, RO
Reverse osmosis produced water is entered in the water tank for storing RO reverse osmosis produced waters by the electromagnetic valve on water tank inlet pipeline,
When RO reverse osmosis produced waters water quality is more than presetting TDS index parameters in water tank, water tank inlet pipeline solenoid door
It can be in closed mode, RO reverse osmosis produced water water quality not entered back into water tank.
As a preferred embodiment, the water tank water producing pipe road solenoid door is connected with water tank, user passes through water storage
Electromagnetic valve on tank outlet pipeline obtains required RO reverse osmosis produced water water quality, and RO reverse osmosis produced waters water quality is big in water tank
When presetting TDS index parameters, electromagnetic valve on water tank water producing pipe road is in no longer to flow out in closed mode, water tank
RO reverse osmosis produced water water quality.
As a preferred embodiment, the electromagnetic valve on the RO films blowoff line is connected with RO counter-infiltrations, in water tank
When RO reverse osmosis produced waters water quality is more than presetting TDS index parameters, the electromagnetic valve on RO counter-infiltration blowoff lines is in opening
State, the flushing waste water for rinsing RO counter-infiltrations is discharged with this.
As a preferred embodiment, described automatic back-washing water purifier, it is characterised in that：It is anti-that the pressures cycle pump is connected to RO
Permeate water producing pipe road and on the water producing pipe road of water storage pot bottom, the circulating pressure pump has back flush filter core function, described
Circulating pressure pump is mainly characterized in that multistage centrifugal water pump, and its feature efficiency is higher, saves energy consumption, and water velocity is can be controlled in
The flux of one minute one liter of water, while ensureing that filter core can be by enough pressure washings, also greatly protects filter core will not
Because pressure is excessive, and cause the breakage of filter core.
As a preferred embodiment, described automatic back-washing water purifier, it is characterised in that：Its water inlet of the water tank is connected to
In the reverse osmosis produced water lines of RO, it produces the mouth of a river and is arranged on water storage pot bottom, it is ensured that air will not be produced during backwash, its
Water producing pipe road is connected with circulating pressure pump, and the TDS sensors for detecting RO reverse osmosis produced water indexs are provided with water tank.
As a preferred embodiment, described automatic back-washing water purifier, it is characterised in that：The electromagnetic valve is arranged on RO reverse osmosis
Penetrate into water lines, in the reverse osmosis produced water lines of RO, on the reverse osmosis concentrated mouth of a river pipelines of RO and water tank water producing pipe road, for controlling
The turnover of water quality when the turnover of water quality processed and circulating pressure pump backwash RO membrane reverse osmosis, the electromagnetic valve is mainly characterized in that
Two-position five-way valve, main valve uses rubber sealing structure, and flat diaphragm structure opens and closes reliable, reliability height rapid with opening and closing
The features such as.Different circuits can be coordinated to realize expected control, and the precision and flexibility that control can ensure.In have
Closed chamber, through hole is provided with diverse location.
It is used as the TDS sensors that the producing water water quality for being used to detect RO counter-infiltrations is provided with inside a kind of preferably described water tank.
Water storage can be flowed to automatic decision RO reverse osmosis produced waters as the TDS sensors inside a kind of preferably water tank
The TDS values of water quality inside tank, if the TDS values inside water tank are more than presetting value, TDS sensors will touch immediately
The electromagnetic valve in electromagnetic valve closing, the reverse osmosis concentrated mouth of a river pipelines of RO on RO feed water by reverse osmosis pipelines opens sewage draining exit, storage
It produces mouth of a river for closed electromagnetic valve door on water pot water producing pipe road, and it is reversely operated to touch circulating pressure pump at that time, circulating pressure pump
Can draw production water inside water tank from the reverse osmosis produced water lines of RO enter RO counter-infiltrations in carry out circulation flushing 2min, it is flushed after
Waste liquid discharged from the sewage draining exit of the electromagnetic valve on RO film concentrated water pipelines.
Be arranged on as a kind of preferably electromagnetic valve on RO feed water by reverse osmosis pipelines, in the reverse osmosis produced water lines of RO,
On the reverse osmosis concentrated mouth of a river pipelines of RO and on water tank water producing pipe road, turnover and circulating pressure pump backwash RO films for controlling water quality
The turnover of water quality during counter-infiltration, the electromagnetic valve is mainly characterized in that two-position five-way valve, and main valve uses rubber sealing structure,
Flat diaphragm structure opens and closes reliable, reliability high the features such as rapid with opening and closing.Different circuits can be coordinated pre- to realize
The control of phase, and the precision and flexibility that control can ensure.In have closed chamber, be provided with through hole in diverse location.
Brief description of the drawings
Fig. 1 is a kind of structural representation of automatic back-washing water purifier according to one embodiment of the present invention.
Shown in figure：1st, water tank, 2, circulating pressure pump, 3, RO counter-infiltrations, 4, the magnetic valve of the reverse osmosis produced water lines of RO
Door, 5, the electromagnetic valve in the reverse osmosis concentrated water lines of RO, 6, the electromagnetic valve on RO feed water by reverse osmosis pipelines, 7, water tank water outlet
Electromagnetic valve on pipeline, 8, the electromagnetic valve on water tank inlet pipeline.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
The operation principle of the present invention：A kind of automatic back-washing water purifier, comprising electromagnetic valve, circulating pressure pump, RO counter-infiltrations,
Water tank, the water producing pipe road of the reverse osmosis produced water end (W.E.)s of RO is provided with electromagnetic valve, and the reverse osmosis produced water end (W.E.)s of RO pass through water tank water inlet pipe
Electromagnetic valve connection water tank on road, the reverse osmosis produced water end (W.E.)s of RO pass through the electromagnetic valve connection circulation pressure on RO film water producing pipes road
Power pump, the RO feed water by reverse osmosis pipeline is provided with the electromagnetic valve for being used for controlling water source, and water source passes through RO feed water by reverse osmosis pipes
Electromagnetic valve on road enters purification filtering in RO counter-infiltrations, and water tank inlet pipeline is provided with electromagnetic valve, and RO films production water leads to
Cross water tank inlet pipeline solenoid door to enter in water tank, the water tank is provided with TDS sensors, the pressures cycle
The pump other end is connected with water tank water producing pipe road, and water tank water producing pipe road end is provided with the electromagnetic valve for being used for controlling water outlet.
Described automatic back-washing water purifier, it is characterised in that：The RO reverse osmosis produced waters pipeline electromagnetic valve（4）, in storage
In water pot（1）When RO reverse osmosis produced waters water quality is more than presetting TDS index parameters, the magnetic valve on RO feed water by reverse osmosis pipelines
Door（6）In closed mode, RO counter-infiltrations（2）Not in water inlet, water tank（1）Electromagnetic valve on inlet pipeline（8）In closing shape
State, water tank（1）Electromagnetic valve on outlet pipeline（7）In closed mode, the electromagnetic valve on RO film blowoff lines（5）In beating
Electromagnetic valve in open state, the reverse osmosis produced water lines of RO（4）In closed mode.
Described automatic back-washing water purifier, it is characterised in that：The water tank（1）Inlet pipeline solenoid door（8）With
The reverse osmosis produced water lines of RO are connected, and RO reverse osmosis produced waters pass through water tank（1）Electromagnetic valve on inlet pipeline（8）Enter
Water tank for storing RO reverse osmosis produced waters（1）In, in water tank（1）In RO reverse osmosis produced waters water quality be more than it is presetting
During TDS index parameters, water tank（1）Inlet pipeline solenoid door（8）Can be in closed mode, water tank（1）In do not enter back into
RO reverse osmosis produced water water quality.
Described automatic back-washing water purifier, it is characterised in that：The water tank（1）Water producing pipe road solenoid door（7）With
Water tank（1）It is connected, user passes through water tank（1）Electromagnetic valve on outlet pipeline（7）Obtain required RO counter-infiltrations（3）
Producing water water quality, in water tank（2）In RO counter-infiltrations（3）When producing water water quality is more than presetting TDS index parameters, water tank（2）
Electromagnetic valve on water producing pipe road（1）In closed mode, water tank（1）In no longer flow out RO reverse osmosis produced water water quality.
Electromagnetic valve on described automatic back-washing water purifier, the RO films blowoff line（5）It is connected with RO counter-infiltrations,
In water tank（1）In RO reverse osmosis produced waters water quality when being more than presetting TDS index parameters, the electricity on RO counter-infiltration blowoff lines
Magnet valve door（5）In opened condition, flushing RO counter-infiltrations are discharged with this（3）Flushing waste water.
Described automatic back-washing water purifier, the pressures cycle pump（2）It is connected to RO counter-infiltrations（3）Water producing pipe road and water storage
Tank（1）On the water producing pipe road of bottom, the circulating pressure pump（2）With back flush filter core function, the circulating pressure pump（2）
Be mainly characterized in that multistage centrifugal water pump, its feature efficiency is higher, save energy consumption, water velocity can be controlled in one minute one liter
The flux of water, while ensureing that filter core can be by enough pressure washings, also greatly protects filter core will not be because of pressure mistake
Greatly, the breakage of filter core is caused.
Described automatic back-washing water purifier, the water tank（1）Its water inlet is connected to RO counter-infiltrations（3）Water producing pipe road
On, it produces the mouth of a river and is arranged on water tank（1）Bottom, it is ensured that air will not be produced during backwash, its water producing pipe road is with following
Ring compression pump（2）Connection, water tank（1）In be provided with for detecting RO counter-infiltrations（3）Produce the TDS sensors of water index.
Described automatic back-washing water purifier, states electromagnetic valve and is arranged on RO feed water by reverse osmosis pipelines（6）, RO it is reverse osmosis produced
In water lines（4）, on the reverse osmosis concentrated mouth of a river pipelines of RO（5）And on water tank water producing pipe road（7）On water tank inlet pipeline
（8）, turnover and circulating pressure pump for controlling water quality（2）Backwash RO membrane reverse osmosis（3）When water quality turnover, the electromagnetism
Valve is mainly characterized in that two-position five-way valve, and main valve uses rubber sealing structure, flat diaphragm structure open and close it is reliable, with opening
Close rapid, the features such as reliability is high.Different circuits can be coordinated to realize expected control, and the precision controlled and flexibility
It can ensure.In have closed chamber, be provided with through hole in diverse location.
The water tank（2）Inside is provided with the TDS sensors for the producing water water quality for being used to detect RO counter-infiltrations.
The water tank（2）Internal TDS sensors can be with automatic decision RO counter-infiltrations（3）Production water flows to water tank（1）
The TDS values of the inside water quality, if water tank（1）When the TDS values of the inside are more than presetting value, TDS sensors will be touched immediately
Dynamic RO counter-infiltrations（3）Electromagnetic valve on inlet channel is closed（3）, electromagnetic valve on the reverse osmosis concentrated mouth of a river pipelines of RO（5）Beat
Open sewage draining exit, water tank（1）Magnetic valve on water producing pipe road（7）Closing door, it produces the mouth of a river, and circulating pressure pump can be touched at that time（2）
It is reversely operated, circulating pressure pump（2）Water tank can be drawn（1）The production water of the inside is from RO counter-infiltrations（3）It is anti-that water producing pipe road enters RO
Infiltration（3）In carry out circulation flushing 2min, it is flushed after waste liquid from the electromagnetic valve on RO film concentrated water pipelines（3）Sewage draining exit row
Go out.
The operation principle of the present invention：When RO counter-infiltrations（3）During normal work, RO counter-infiltrations（3）The upper electromagnetism of inlet pipeline
Valve（6）, magnetic valve in the reverse osmosis concentrated water lines of RO（5）, electromagnetic valve 98 on water tank inlet channel and water tank go out
Electromagnetic valve in water lines（7）It is to open, RO counter-infiltrations（3）Electromagnetic valve on water producing pipe road（4）It is closed mode, water
Source enters RO counter-infiltrations from inlet pipeline（3）, by RO counter-infiltrations（3）Production water flows into water storage from water production pipeline obtained by purified treatment
Tank（1）In, waste liquid is from concentrated water pipeline solenoid door（5）Discharge.
Work as water tank（1）The water quality detecting device TDS sensors detection water tank of the inside（1）The water quality index of the inside is more than
During preset value index, RO counter-infiltrations can be triggered（3）Electromagnetic valve on inlet pipeline（6）Close its water inlet, water tank（1）Enter
Water lines solenoid door（8）With water tank（2）Electromagnetic valve on outlet pipeline（7）In closed mode, at the same time RO is anti-
Infiltration（3）Magnetic valve on water producing pipe road（4）Door opens its water inlet, circulating pressure pump（2）Draw water tank（1）The RO of the inside
Counter-infiltration（3）Water is produced by being connected to circulating pressure pump（2）With RO counter-infiltrations（3）Between pipeline rinse RO counter-infiltrations（3）
Filter core 2min, flushing waste is from RO counter-infiltrations（3）Concentrated water pipeline solenoid（5）Discharge, after flushing is finished, circulating pressure pump
（2）Shut down, RO counter-infiltrations（3）Electromagnetic valve on inlet pipeline（6）Open its water inlet, water tank（1）Inlet pipeline
Solenoid door（8）With the electromagnetic valve on water tank outlet pipeline（7）Also therewith in opened condition, at the same time RO counter-infiltrations
（3）Electromagnetic valve on water producing pipe road（4）In closed mode.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention, and any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (10)
1. a kind of automatic back-washing water purifier, includes electromagnetic valve, circulating pressure pump, RO counter-infiltrations, water tank, RO reverse osmosis produced waters
The water producing pipe road at end is provided with electromagnetic valve, and the reverse osmosis produced water end (W.E.)s of RO are connected by the electromagnetic valve on water tank inlet pipeline and stored up
Water pot, the reverse osmosis produced water end (W.E.)s of RO connect circulating pressure pump by the electromagnetic valve on RO film water producing pipes road, and the RO reverse osmosis is penetrated into
Water lines are provided with the electromagnetic valve for being used for controlling water source, and water source is entered by the electromagnetic valve on RO feed water by reverse osmosis pipelines
Purification filtering in RO counter-infiltrations, water tank inlet pipeline is provided with electromagnetic valve, and RO films produce water and pass through electricity on water tank inlet pipeline
Magnet valve door is entered in water tank, and the water tank is provided with TDS sensors, and the pressures cycle pump other end produces water with water tank
Pipeline is connected, and water tank water producing pipe road end is provided with the electromagnetic valve for being used for controlling water outlet.
2. automatic back-washing water purifier according to claim 1, it is characterised in that:The RO reverse osmosis produced waters pipeline electromagnetic valve
Door, when RO reverse osmosis produced waters water quality is more than presetting TDS index parameters in water tank, the electricity on RO feed water by reverse osmosis pipelines
Magnet valve door is in closed mode, and the electromagnetic valve of RO counter-infiltrations not in water inlet, water tank inlet pipeline is in closed mode, water tank
Electromagnetic valve on outlet pipeline be in electromagnetic valve on closed mode, RO film blowoff lines in opened condition, RO is reverse osmosis produced
Electromagnetic valve in water lines is in closed mode.
3. automatic back-washing water purifier according to claim 1, it is characterised in that:The water tank inlet pipeline solenoid
Door is connected with the reverse osmosis produced water lines of RO, and RO reverse osmosis produced waters enter use by the electromagnetic valve on water tank inlet pipeline
In the water tank of storage RO reverse osmosis produced waters, RO reverse osmosis produced waters water quality is more than presetting TDS indexs and joined in water tank
During number, water tank inlet pipeline solenoid Men Huicheng closed modes do not enter back into RO reverse osmosis produced water water quality in water tank.
4. automatic back-washing water purifier according to claim 1, it is characterised in that:The water tank water producing pipe road solenoid
Door is connected with water tank, and user obtains required RO reverse osmosis produced water water by the electromagnetic valve on water tank outlet pipeline
Matter, when RO reverse osmosis produced waters water quality is more than presetting TDS index parameters in water tank, the electromagnetism on water tank water producing pipe road
Valve is in closed mode, no longer flows out RO reverse osmosis produced water water quality in water tank.
5. automatic back-washing water purifier according to claim 1, it is characterised in that:Magnetic valve on the RO films blowoff line
Door is connected with RO counter-infiltrations, when RO reverse osmosis produced waters water quality is more than presetting TDS index parameters in water tank, RO reverse osmosis
Electromagnetic valve on saturating blowoff line discharges the flushing waste water for rinsing RO counter-infiltrations with this in opened condition.
6. automatic back-washing water purifier according to claim 1, it is characterised in that：The pressures cycle pump is connected to RO reverse osmosis
On saturating water producing pipe road and the water producing pipe road of water storage pot bottom, the circulating pressure pump has back flush filter core function, described to follow
Ring compression pump is mainly characterized in that multistage centrifugal water pump, and its feature efficiency is higher, saves energy consumption, and water velocity can be controlled in one
The flux of minute one liter of water, while ensureing that filter core can be by enough pressure washings, also greatly protects filter core will not be because
It is excessive for pressure, and cause the breakage of filter core.
7. automatic back-washing water purifier according to claim 1, it is characterised in that：Its water inlet of the water tank is connected to RO
In reverse osmosis produced water lines, it produces the mouth of a river and is arranged on water storage pot bottom, it is ensured that air will not be produced during backwash, and it is produced
Water lines are connected with circulating pressure pump, and the TDS sensors for detecting RO reverse osmosis produced water indexs are provided with water tank.
8. automatic back-washing water purifier according to claim 3, it is characterised in that：Being provided with inside the water tank is used to detect
The TDS sensors of the producing water water quality of RO counter-infiltrations.
9. automatic back-washing water purifier according to claim 3, it is characterised in that：TDS sensors inside the water tank
The TDS values of water quality inside water tank can be flowed to automatic decision RO reverse osmosis produced waters, if the TDS values inside water tank are more than in advance
During the value of setting, the electromagnetic valve that TDS sensors will touch on RO feed water by reverse osmosis pipelines immediately is closed, RO reverse osmosis concentrated waters
Electromagnetic valve on mouth pipeline opens its production mouth of a river of closed electromagnetic valve door on sewage draining exit, water tank water producing pipe road, can touch at that time
Dynamic circulating pressure pump is reversely operated, and the production water that circulating pressure pump can draw inside water tank enters RO from the reverse osmosis produced water lines of RO
Carry out circulation flushing 2min in counter-infiltration, it is flushed after waste liquid discharged from the sewage draining exit of the electromagnetic valve on RO film concentrated water pipelines.
10. automatic back-washing water purifier according to claim 1, it is characterised in that：The electromagnetic valve is arranged on RO reverse osmosis
Penetrate into water lines, in the reverse osmosis produced water lines of RO, on the reverse osmosis concentrated mouth of a river pipelines of RO and water tank water producing pipe road, for controlling
The turnover of water quality when the turnover of water quality processed and circulating pressure pump backwash RO membrane reverse osmosis, the electromagnetic valve is mainly characterized in that
Two-position five-way valve, main valve uses rubber sealing structure, and flat diaphragm structure is opened and closed reliably, coordinates different circuits pre- to realize
The control of phase, it is inner to have closed chamber, it is provided with through hole in diverse location.
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| CN201710699078.0A CN107265570A (en) | 2017-08-15 | 2017-08-15 | A kind of automatic back-washing water purifier |
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| CN110694336A (en) * | 2019-11-12 | 2020-01-17 | 珠海格力电器股份有限公司 | Filter element cleaning assembly, water purifier and filter element cleaning method |
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| CN106310947A (en) * | 2016-09-30 | 2017-01-11 | 广东福能达环保科技有限公司 | Positive and reverse flushing piston type water storage device, micro waste water RO (reverse osmosis) system and membrane flushing method |
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