CN108862687A - Water purification system with adjustable recovery rate, control method thereof and water purifier - Google Patents
Water purification system with adjustable recovery rate, control method thereof and water purifier Download PDFInfo
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- CN108862687A CN108862687A CN201810972612.5A CN201810972612A CN108862687A CN 108862687 A CN108862687 A CN 108862687A CN 201810972612 A CN201810972612 A CN 201810972612A CN 108862687 A CN108862687 A CN 108862687A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 428
- 238000000746 purification Methods 0.000 title claims abstract description 117
- 238000011084 recovery Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 35
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 230000003321 amplification Effects 0.000 claims description 34
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 34
- 238000007781 pre-processing Methods 0.000 claims description 14
- 238000012372 quality testing Methods 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 abstract 3
- 238000012805 post-processing Methods 0.000 abstract 2
- 239000008213 purified water Substances 0.000 abstract 2
- 239000002351 wastewater Substances 0.000 description 40
- 239000000523 sample Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 12
- 239000012528 membrane Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- C02F1/001—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
- C02F1/44—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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- 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
- C02F2209/03—Pressure
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- 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
- C02F2209/44—Time
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- 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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of water purifiers, in particular to a water purification system with adjustable recovery rate, a control method of the water purification system and a water purifier. The water purification system comprises a raw water port, a composite filter element, a reverse osmosis filter element, a purified water pipeline, a first concentrated water pipeline and a second concentrated water pipeline, wherein the composite filter element comprises a pre-treatment unit and a post-treatment unit, the input end of the pre-treatment unit is connected with the raw water port, and the output end of the pre-treatment unit is connected with the purified water pipeline; the water purification pipeline branch is connected with the input end of the reverse osmosis filter element, the output end of the reverse osmosis filter element is divided into a pure water output end and a concentrated water output end, the input end of the post-processing unit is connected with the pure water output end of the reverse osmosis filter element, and the output end of the post-processing unit is connected with the pure water pipeline; the concentrated water output end of the reverse osmosis filter element is connected with the first concentrated water pipeline and the second concentrated water pipeline in parallel. The water purification system can realize adjustable recovery rate according to the water quality condition by controlling the switching time ratio of two or more concentrated water branches, thereby achieving the purpose of water saving.
Description
Technical field
The present invention relates to water purifier technical fields, more particularly to the water purification system and its controlling party of a kind of adjustable rate of recovery
Method, water purifier.
Background technique
Water-saving ideas is the development trend of current water purification technology, and the current big flux RO machine rate of recovery is with 50%
It is main, in the case where generating 1 ton of pure water, 1 ton of waste water can be generated, waste water is not easy to be utilized, and causes greatly to waste.Moreover,
Existing water purification system can reduce the service life of reverse osmosis membrane, especially due to the reduction and pressure difference polarization phenomena of crossflow velocity
It is the poor area of water quality, service life reduction is obvious.
Existing water purifier generally there are the rate of recovery low, the disadvantage more than discharge of wastewater, furthermore existing water purifier be usually
Concentrated water is quantitatively discharged, the rate of recovery of concentrated water can not be adjusted.
The present inventor discloses a kind of water purification system in the patent document of Patent No. CN201611061546.3, including
Pretreatment unit and reverse osmosis membrane processing unit, the pretreatment unit and the reverse osmosis membrane processing unit are separately connected
The both ends of water inlet line, the concentrated water outlet connection concentrated water pipeline of the reverse osmosis membrane processing unit, the concentrated water pipeline are equipped with
Concentrated water discharge solenoid valve；The water purification system further includes concentrated water discharge control unit, and the concentrated water discharge control unit includes the
One branch second branch and waste water ratio component；The water outlet of the first branch is connected on the water inlet line, and described
One road is equipped with the first solenoid valve；The water outlet of the second branch is connected to the water exit end of the concentrated water pipeline or directly arranges
Sky, the second branch are equipped with second solenoid valve；The water inlet end of the first branch and the water inlet end of the second branch are logical
Cross the concentrated water pipeline that waste water ratio component is connected between the reverse osmosis membrane processing unit concentrated water outlet and concentrated water discharge solenoid valve
On.
Above-mentioned water purification system solves the problems, such as to adjust the concentrated water rate of recovery, however is only capable of adjusting in the range of high-recovery
The concentrated water rate of recovery is saved, and there is also the disadvantages that structure is complicated, volume is big, manufacturing cost is high, in view of this, the present inventor especially grinds
Thus the water purification system and its control method, water purifier, this case for having sent out a kind of adjustable rate of recovery generate.
Summary of the invention
It is only capable of adjusting the concentrated water rate of recovery in the range of high-recovery to solve existing water purifier, and there is also structures to answer
The problem of miscellaneous, the disadvantages of volume is big, manufacturing cost is high, the present invention provides the water purification systems and its control of a kind of adjustable rate of recovery
Method, water purifier.
To achieve the above object, the technical solution adopted by the present invention is as follows：A kind of water purification system of the adjustable rate of recovery, including
Raw water mouth, reverse osmosis filter core, water pipeline, pure water pipeline further include composite filter element, water purification delivery pipe, pure water delivery pipe, first
Concentrated water pipeline and the second concentrated water pipeline,
Composite filter element includes preprocessing unit, postpositive disposal unit；
Preprocessing unit input terminal is connected with raw water mouth, and output end is connected with water pipeline；
Water pipeline is connected by water purification delivery pipe with reverse osmosis filter core input terminal；
Reverse osmosis filter core output end is divided into pure water output end, concentrated water output end；
The input terminal of postpositive disposal unit is connect with the pure water output end of reverse osmosis filter core by pure water delivery pipe；
The output end of postpositive disposal unit is connected with pure water pipeline；
The concentrated water output end of reverse osmosis filter core is in parallel with the first concentrated water pipeline, the second concentrated water pipeline.
It further, further include concentrated water discharge device, the concentrated water discharge device includes first row amplification module, second row
Amplification module, the first row amplification module are arranged on the first concentrated water pipeline, and the second row amplification module setting is dense second
In water lines.
Further, first row amplification module includes first throttle valve, the first solenoid valve, the first throttle valve, first
Solenoid valve is arranged in series.
Further, second row amplification module includes flow control valve.
Further, second row amplification module includes second throttle, second solenoid valve, the second throttle and second
Solenoid valve is in parallel.
It further, further include inlet water solenoid valve, stabilized pressure pump, the inlet water solenoid valve, stabilized pressure pump are arranged in series in only
In water delivery pipe.
It further, further include check valve, the check valve is set to the pure water output end and postposition of reverse osmosis filter core
Between processing unit input terminal.
It further, further include water quality testing unit, the water quality testing unit is set to water pipeline, pure water conveying
It manages, on one or more in pure water pipeline.
It further, further include water storage device, the water storage device is connected with pure water delivery pipe.
It further, further include high-voltage switch gear, the high-voltage switch gear is set between water storage device and pure water delivery pipe
And/or in pure water pipeline.
It further, further include flowmeter, the flowmeter is arranged in pure water pipeline and/or water pipeline.
A kind of control method of the water purification system of the adjustable rate of recovery, includes the following steps：
S1：When water purification system powers on, when high-voltage switch gear detects low pressure, water purification system enters aqueous mode processed；
S2：When water purification system water, the second row amplification module is fixed to be opened, and passes through opening for control first row amplification module
It opens or closes, control water purification system and run with the low rate of recovery or high-recovery；
S3：When high-voltage switch gear detects high pressure, water purification system stops water processed.
A kind of control method of the water purification system of the adjustable rate of recovery, includes the following steps：
S1：When water purification system powers on, high-voltage switch gear is detected when low pressure or high-voltage switch gear detects high pressure and flows later
Umber of pulse > 0, water purification system enter aqueous mode processed to meter within a certain period of time；
S2：When water purification system water, the second row amplification module is fixed to be opened, and passes through opening for control first row amplification module
It opens or closes, control water purification system and run with the low rate of recovery or high-recovery；
S3：High-voltage switch gear detects high pressure and umber of pulse is 0 to flowmeter within a certain period of time later, and water purification system stops system
Water.
Further, by the time ratios of control first row amplification module opening time and closing duration in S2, control is net
The time ratios that water system is run with the low rate of recovery or high-recovery, adjust the rate of recovery.
A kind of water purifier, the water purification system including the above-mentioned adjustable rate of recovery.
By the above-mentioned description of this invention it is found that compared with prior art, a kind of water purification of adjustable rate of recovery of the invention
Preprocessing unit and postpositive disposal unit are combined into one by system and its control method, water purifier, the water purification system
Filter core reduces filter core quantity, on the basis of realizing the miniaturization of water purifier volume, passes through control two or more concentrated water branches
On-off time ratio, make water purification system can according to water quality situation, with the mode operation that high-recovery or the low rate of recovery or both recycle,
It realizes that the rate of recovery is adjustable, reaches water-saving purpose.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the water purification system of the adjustable rate of recovery of the first embodiment of the invention；
Fig. 2 is the structural schematic diagram of the water purification system of the adjustable rate of recovery of second of embodiment of the invention；
Fig. 3 is the structural schematic diagram of the water purification system of the adjustable rate of recovery of the third embodiment of the invention；
Fig. 4 is the structural schematic diagram of the water purification system of the 4th kind of adjustable rate of recovery of embodiment of the invention；
Fig. 5 is the structural schematic diagram of the water purification system of the 5th kind of adjustable rate of recovery of embodiment of the invention；
Fig. 6 is the structural schematic diagram of the water purification system of the 6th kind of adjustable rate of recovery of embodiment of the invention；
Fig. 7 is the structural schematic diagram of the water purification system of the 7th kind of adjustable rate of recovery of embodiment of the invention；
Fig. 8 is the structural schematic diagram of the water purification system of the 8th kind of adjustable rate of recovery of embodiment of the invention；
Fig. 9 is the structural schematic diagram of the water purification system of the 9th kind of adjustable rate of recovery of embodiment of the invention；
Figure 10 is the structural schematic diagram of the water purification system of the tenth kind of adjustable rate of recovery of embodiment of the invention；
Figure 11 is the tenth a kind of structural schematic diagram of the water purification system of the adjustable rate of recovery of embodiment of the invention；
Figure 12 is the structural schematic diagram of the water purification system of the 12nd kind of adjustable rate of recovery of embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.
Specific embodiment one：
Shown in referring to Fig.1, present embodiment discloses a kind of water purification systems of adjustable rate of recovery, including composite filter element 1, reverse osmosis
Diafiltration core 2, raw water mouth 31, water pipeline 32, pure water pipeline 33, the first concentrated water pipeline 34, the second concentrated water pipeline 35, described answers
Closing filter core 1 includes preprocessing unit, postpositive disposal unit, and the preprocessing unit input terminal is connected with raw water mouth 31
It connects, output end is connected with water pipeline 32；The water pipeline 32 separates branch and is connected with reverse osmosis 2 input terminal of filter core
It connects, 2 output end of reverse osmosis filter core is divided into pure water output end, concentrated water output end, the input of the postpositive disposal unit
End is connected with the pure water output end of reverse osmosis filter core 2, and the output end of the postpositive disposal unit is connected with pure water pipeline 33
It connects；The concentrated water output end of the reverse osmosis filter core 2 is connected with the first concentrated water pipeline 34, the second concentrated water pipeline 35, described
Second concentrated water pipeline 35 is in parallel with the first concentrated water pipeline 34.
Connecting tube between 2 input terminal of water pipeline 32 and reverse osmosis filter core is defined as water purification delivery pipe 36；Institute
Connecting tube between the pure water output end stated and the input terminal of postpositive disposal unit is defined as pure water delivery pipe 37.
It further include concentrated water discharge device, the concentrated water discharge device includes first row amplification module, second row amplification module, institute
The first row amplification module stated is arranged on the first concentrated water pipeline 34, and the second row amplification module is arranged in the second concentrated water pipeline 35
On；The first row amplification module includes the first waste water proportioner 41, the first solenoid valve 42, first waste water proportioner 41
For first throttle valve, first waste water proportioner 41, the first solenoid valve 42 are arranged in series；The second row amplification module packet
Flow control valve is included, the flow control valve is waste water ratio solenoid valve 43.
It further include inlet water solenoid valve 5, stabilized pressure pump 6, the inlet water solenoid valve 5, stabilized pressure pump 6 are arranged in series in water purification conveying
It further include check valve 7 on pipe 36, the check valve 7 is set in pure water delivery pipe 37；It further include high-voltage switch gear 8, flowmeter
9, the flowmeter 9 and high-voltage switch gear 8 are arranged in series in pure water pipeline 33.
A kind of control method of above-mentioned water purification system is also disclosed, is included the following steps：
S1：When water purification system powers on, high-voltage switch gear is detected when low pressure or high-voltage switch gear detects high pressure and flows later
Umber of pulse > 0, water purification system enter aqueous mode processed to meter within a certain period of time；
S2：When water purification system water, the waste water ratio solenoid valve 43 is fixed to be opened, and passes through the first solenoid valve 42 of control
It opens or closes, controls water purification system and run with the low rate of recovery or high-recovery；
S3：High-voltage switch gear detects high pressure and umber of pulse is 0 to flowmeter within a certain period of time later, and water purifier stops system
Water.
When water purification mechanism water as described above, it is respectively at the low rate of recovery and high-recovery circular flow, concentrated water branch
Emission behaviour is：
When water purifier is in the operation of low rate of recovery state, waste water ratio solenoid valve 43 is opened, the first solenoid valve 42 is opened：One
Concentrated water is divided to be discharged by the first waste water ratio 41, the first solenoid valve 42；Another part concentrated water is discharged by waste water ratio solenoid valve 43.
After the t1 time, water purifier is in the operation of high-recovery state, and waste water ratio solenoid valve 43 is opened, the first solenoid valve 42 closes
It closes：Concentrated water is discharged by waste water ratio solenoid valve 43.
Water purifier enters back into low rate of recovery operation after the t2 time, so recycles.
I.e. water purification mechanism water when the low rate of recovery run the t1 time, high-recovery runs t2 time, circular flow.Pass through control
The ratio of time t1/t2, the adjustable rate of recovery；It can also directly be run with the low rate of recovery or high-recovery；It can be according to water
Matter situation selects the most suitable rate of recovery to run water purifier, can effectively protect RO film.
A kind of water purifier is also disclosed, including above-mentioned water purification system.
Water purification system as described above, if user uses water purification, raw water passes through the preprocessing unit mistake of composite filter element 1
The water purification flowed out after filter can directly be connect with tap, for users to use.
If user uses pure water, when user, which opens tap, uses pure water, when high-voltage switch gear 8 detects low pressure,
Or high-voltage switch gear 8 detects high pressure and later the umber of pulse > 0 within a certain period of time of flowmeter 9, water purification mechanism pure water；Raw water warp
After crossing the preprocessing unit filtering of composite filter element 1, reverse osmosis filter core 2 is entered by inlet water solenoid valve 5, stabilized pressure pump 6, by anti-
After permeating 2 advanced treating of filter core, it is divided into pure water and concentrated water；Wherein pure water enters the postpositive disposal of composite filter element 1 by check valve 7
Unit, the pure water by postposition filtering are flowed out by flowmeter 9, high-voltage switch gear 8, and the pure water of outflow can directly connect with tap
It connects, for users to use.
When user closes tap, high-voltage switch gear 8 detects high pressure and the later umber of pulse within a certain period of time of flowmeter 9
It is 0, water purifier stops pure water processed.
When water purifier rinses, concentrated water is all discharged by waste water ratio solenoid valve 43.
Specific embodiment two：
Referring to shown in Fig. 2, the water purification system as described in embodiment one further includes water storage device 10, the water storage device
10 include pressure pot or compressible water bag, and the water storage device 10 is connected with pure water delivery pipe 37；The high-voltage switch gear 8
It is set between water storage device 10 and pure water delivery pipe 37；The flowmeter 9 is provided separately in pure water pipeline 33.
Compared with embodiment one, raw water by composite filter element 1 preprocessing unit filtering after, by inlet water solenoid valve 5,
Stabilized pressure pump 6 is divided into pure water and concentrated water after reverse osmosis 2 advanced treating of filter core into reverse osmosis filter core 2；Wherein pure water has two
Branch, a branch enter pressure pot by check valve 7, high-voltage switch gear 8；Another branch is entered multiple by check valve 7
The postpositive disposal unit for closing filter core 1, the pure water by postposition filtering are flowed out by high-voltage switch gear 8；The pure water of outflow can directly with
Tap connection, for users to use；Pure water in pressure pot can also enter the postpositive disposal of composite filter element 1 by high-voltage switch gear 8
After unit filtering, for users to use by tap.
Specific embodiment three：
Referring to shown in Fig. 3, the water purification system as described in embodiment one, the high-voltage switch gear 8 is provided separately within pure water pipe
On road 33.
Compared with embodiment one, the water purification system of the present embodiment directly can control water purifier pure water by high-voltage switch gear 8
The start and stop of branch；If user uses pure water, when user opens tap, high-voltage switch gear 8 detects low pressure, and water purifier starts
Pure water processed, when user closes tap, high-voltage switch gear 8 detects high pressure, and water purifier stops pure water processed.
Specific embodiment four：
Referring to shown in Fig. 4, flowmeter is no longer arranged in the pure water pipeline 33 in the water purification system as described in embodiment two
9。
Compared with embodiment two, the water purification system of the present embodiment directly can control water purifier pure water by high-voltage switch gear 8
The start and stop of branch；If user uses pure water, when user opens tap, high-voltage switch gear 8 detects low pressure, and water purifier starts
Pure water processed；When user closes tap, high-voltage switch gear 8 detects high pressure, and water purifier stops pure water processed.
Specific embodiment five：
Referring to Figure 5, the water purification system as described in embodiment one further includes water quality testing unit, the water quality inspection
Surveying unit includes the TDS probe 11 with temperature sensing package, and the TDS probe 11 and check valve 7 are arranged in series in pure water delivery pipe 37
On；The water quality testing unit further includes Water quality detector 12, and the Water quality detector 12 is connected with second flowmeter 9 '
It is arranged on water pipeline 32.
Compared with embodiment one, the water purification system of the present embodiment can increase in the downstream that RO film pure water flows out with temperature sensing package
TDS probe 11, the TDS probe for remind user's raw water temperature too low or too high when will affect the reverse osmosis membrane service life and
Water purifier performance needs to protect water purifier；Meanwhile real-time detection pure water TDS, it reminds user's water purifier operating status and is pacified with water
Full situation；Second flowmeter 9 ' can also be increased in water purification branch, the second flowmeter 9 ' is used for more acurrate label composite filter
The service life of 1 preprocessing unit of core, the flowmeter 9 of pure water branch are used to mark the service life of postpositive disposal unit.
The Water quality detector 12 can detecte the parameters such as the TDS, turbidity of water quality, hardness, basicity in water pipeline 32,
Can be according to water purification water quality situation, intelligence adjusts the conduction time of the first solenoid valve 42, waste water ratio solenoid valve 43, so that water purifier
It can be run with the most suitable rate of recovery.
Specific embodiment six：
Referring to shown in Fig. 6, the water purification system as described in embodiment two, the water quality testing unit is visited including the first TDS
Needle 11, the 2nd TDS probe 11 ', the described first TDS probe 11 and check valve 7 are arranged in series in pure water delivery pipe 37, described
The 2nd TDS probe 11 ' be arranged in series in pure water pipeline 33 with first flowmeter 9；It further include Water quality detector 12, it is described
Water quality detector 12 and second flowmeter 9 ' are arranged in series on water pipeline 32.
Compared with embodiment two, the water purification system of the present embodiment can increase in the downstream that RO film pure water flows out with temperature sensing package
First TDS probe 11 and the 2nd TDS probe 11 ', the first TDS probe is for reminding user's raw water temperature too low or mistake
It will affect reverse osmosis membrane service life and water purifier performance when high, need to protect water purifier；The 2nd TDS probe 11 ' is for examining
Pure water TDS is surveyed, user's water purifier operating status and water safety situation are reminded；Second flowmeter can also be increased in water purification branch
9 ', service life of the second flowmeter 9 ' for more acurrate label 1 preprocessing unit of composite filter element, the flow of pure water branch
Meter 9 is for marking the service life of postpositive disposal unit.
The Water quality detector 12 can detecte the parameters such as the TDS, turbidity of water quality, hardness, basicity in water pipeline 32,
Can be according to water purification water quality situation, intelligence adjusts the conduction time of the first solenoid valve 42, waste water ratio solenoid valve 43, so that water purifier
It can be run with the most suitable rate of recovery.
Specific embodiment 7：
Referring to shown in Fig. 7, the water purification system as described in embodiment three, the water quality testing unit includes TDS probe 11,
The TDS probe 11 and check valve 7 is arranged in series in pure water delivery pipe 37；It further include Water quality detector 12, the water
Quality detector 12 and second flowmeter 9 ' are arranged in series on water pipeline 32.
Compared with embodiment three, the water purification system of the present embodiment can increase in the downstream that RO film pure water flows out with temperature sensing package
TDS probe 11, the TDS probe for remind user's raw water temperature too low or too high when will affect the reverse osmosis membrane service life and
Water purifier performance needs to protect water purifier；Meanwhile real-time detection pure water TDS, it reminds user's water purifier operating status and is pacified with water
Full situation；Second flowmeter 9 ' can also be increased in water purification branch, the second flowmeter 9 ' is used for more acurrate label composite filter
The service life of 1 preprocessing unit of core, the flowmeter 9 of pure water branch are used to mark the service life of postpositive disposal unit.
The Water quality detector 12 can detecte the parameters such as the TDS, turbidity of water quality, hardness, basicity in water pipeline 32,
Can be according to water purification water quality situation, intelligence adjusts the conduction time of the first solenoid valve 42, waste water ratio solenoid valve 43, so that water purifier
It can be run with the most suitable rate of recovery.
Specific embodiment eight：
Referring to shown in Fig. 8, the water purification system as described in example IV, the water quality testing unit includes TDS probe 11,
The TDS probe 11 and check valve 7 is arranged in series in pure water delivery pipe 37；It further include Water quality detector 12, the water
Quality detector 12 and second flowmeter 9 ' are arranged in series on water pipeline 32.
Compared with embodiment one, the water purification system of the present embodiment can increase in the downstream that RO film pure water flows out with temperature sensing package
TDS probe 11, the TDS probe for remind user's raw water temperature too low or too high when will affect the reverse osmosis membrane service life and
Water purifier performance needs to protect water purifier；Meanwhile real-time detection pure water TDS, it reminds user's water purifier operating status and is pacified with water
Full situation；Second flowmeter 9 ' can also be increased in water purification branch, the second flowmeter 9 ' is used for more acurrate label composite filter
The service life of 1 preprocessing unit of core, the flowmeter 9 of pure water branch are used to mark the service life of postpositive disposal unit.
The Water quality detector 12 can detecte the parameters such as the TDS, turbidity of water quality, hardness, basicity in water pipeline 32,
Can be according to water purification water quality situation, intelligence adjusts the conduction time of the first solenoid valve 42, waste water ratio solenoid valve 43, so that water purifier
It can be run with the most suitable rate of recovery.
Specific embodiment nine：
Referring to shown in Fig. 9, the water purification system as described in embodiment one；The second row amplification module includes the second waste water ratio
Example device 44, second solenoid valve 45, second waste water proportioner 44 are second throttle, second waste water proportioner 44
It is in parallel with second solenoid valve 45.
Compared with embodiment one, the waste water ratio solenoid valve 43 in embodiment one can be combined with waste water proportioner and solenoid valve
Replacement.
Specific embodiment ten：
Referring to Fig.1 shown in 0, water purification system as described in embodiment two, the second row amplification module includes the second waste water
Proportioner 44, second solenoid valve 45, second waste water proportioner 44 are second throttle, second waste water proportioner
44 are in parallel with second solenoid valve 45.
Compared with embodiment two, the waste water ratio solenoid valve 43 in embodiment two can be combined with waste water proportioner and solenoid valve
Replacement.
Specific embodiment 11：
Referring to Fig.1 shown in 1, water purification system as described in embodiment three, the second row amplification module includes the second waste water
Proportioner 44, second solenoid valve 45, second waste water proportioner 44 are second throttle, second waste water proportioner
44 are in parallel with second solenoid valve 45.
Compared with embodiment three, the waste water ratio solenoid valve 43 in embodiment three can be combined with waste water proportioner and solenoid valve
Replacement.
Specific embodiment 12：
Referring to Fig.1 shown in 2, water purification system as described in example IV, the second row amplification module includes the second waste water
Proportioner 44, second solenoid valve 45, second waste water proportioner 44 are second throttle, second waste water proportioner
44 are in parallel with second solenoid valve 45.
Compared with example IV, the waste water ratio solenoid valve 43 in example IV can be combined with waste water proportioner and solenoid valve
Replacement.
In conclusion compared with prior art, the water purification system and its control method of a kind of adjustable rate of recovery of the invention,
Water purifier reduces the quantity of filter core, reduces user and changes core frequency and change core cost；It realizes the miniaturization of water purifier volume, reduces
Leakage point can control concentrated water drainage according to water quality situation, realize that the rate of recovery is adjustable；Meanwhile the stream by controlling RO film surface
Amount variation, can effectively slow down concentration polarization, protect RO film, extend filter element life.
It above are only preferred embodiment of the invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention, should all be belonged to behavior that violates the scope of protection of the present invention with this design.
Claims (15)
1. a kind of water purification system of the adjustable rate of recovery, including raw water mouth, reverse osmosis filter core, water pipeline, pure water pipeline, feature
It is：It further include composite filter element, water purification delivery pipe, pure water delivery pipe, the first concentrated water pipeline and the second concentrated water pipeline,
Composite filter element includes preprocessing unit, postpositive disposal unit；
Preprocessing unit input terminal is connected with raw water mouth, and output end is connected with water pipeline；
Water pipeline is connected by water purification delivery pipe with reverse osmosis filter core input terminal；
Reverse osmosis filter core output end is divided into pure water output end, concentrated water output end；
The input terminal of postpositive disposal unit is connect with the pure water output end of reverse osmosis filter core by pure water delivery pipe；
The output end of postpositive disposal unit is connected with pure water pipeline；
The concentrated water output end of reverse osmosis filter core is in parallel with the first concentrated water pipeline, the second concentrated water pipeline.
2. the water purification system of the adjustable rate of recovery as described in claim 1, it is characterised in that：It further include concentrated water discharge device, institute
The concentrated water discharge device stated includes first row amplification module, second row amplification module, and the first row amplification module setting is dense first
In water lines, the second row amplification module is arranged on the second concentrated water pipeline.
3. the water purification system of the adjustable rate of recovery as claimed in claim 2, it is characterised in that：The first row amplification module includes
First throttle valve, the first solenoid valve, the first throttle valve, the first solenoid valve are arranged in series.
4. the water purification system of the adjustable rate of recovery as claimed in claim 3, it is characterised in that：The second row amplification module includes
Flow control valve.
5. the water purification system of the adjustable rate of recovery as claimed in claim 3, it is characterised in that：The second row amplification module includes
Second throttle, second solenoid valve, the second throttle are in parallel with second solenoid valve.
6. the water purification system of the adjustable rate of recovery as described in claim 1, it is characterised in that：It further include inlet water solenoid valve, pressure stabilizing
Pump, the inlet water solenoid valve, stabilized pressure pump are arranged in series in water purification delivery pipe.
7. the water purification system of the adjustable rate of recovery as described in claim 1, it is characterised in that：It further include check valve, the list
It is set between the pure water output end of reverse osmosis filter core and postpositive disposal unit input terminal to valve.
8. the water purification system of the adjustable rate of recovery as described in claim 1, it is characterised in that：It further include water quality testing unit, institute
The water quality testing unit stated is set to water pipeline, pure water delivery pipe, on one or more in pure water pipeline.
9. the water purification system of the adjustable rate of recovery as described in claim 1, it is characterised in that：It further include water storage device, it is described
Water storage device is connected with pure water delivery pipe.
10. the water purification system of the adjustable rate of recovery as claimed in claim 9, it is characterised in that：It further include high-voltage switch gear, it is described
High-voltage switch gear is set between water storage device and pure water delivery pipe and/or in pure water pipeline.
11. the water purification system of the adjustable rate of recovery as described in claim 1, it is characterised in that：It further include flowmeter, the stream
Meter is arranged in pure water pipeline and/or water pipeline.
12. a kind of control method of the water purification system of the adjustable rate of recovery, which is characterized in that control such as claim 1~10 is any
The water purification system of the adjustable rate of recovery described in one, includes the following steps：
S1：When water purification system powers on, when high-voltage switch gear detects low pressure, water purification system enters aqueous mode processed；
S2：When water purification system water, the second row amplification module is fixed to be opened, by control first row amplification module unlatching or
It closes, controls water purification system and run with the low rate of recovery or high-recovery；
S3：When high-voltage switch gear detects high pressure, water purification system stops water processed.
13. a kind of control method of the water purification system of the adjustable rate of recovery, which is characterized in that control such as claim 1~11 is any
The water purification system of the adjustable rate of recovery described in one, includes the following steps：
S1：When water purification system powers on, high-voltage switch gear is detected when low pressure or high-voltage switch gear detects high pressure and later flowmeter
Umber of pulse > 0 within a certain period of time, water purification system enter aqueous mode processed；
S2：When water purification system water, the second row amplification module is fixed to be opened, by control first row amplification module unlatching or
It closes, controls water purification system and run with the low rate of recovery or high-recovery；
S3：High-voltage switch gear detects high pressure and umber of pulse is 0 to flowmeter within a certain period of time later, and water purification system stops water processed.
14. the control method of the water purification system of the adjustable rate of recovery as claimed in claim 13, it is characterised in that：In the S2
By the time ratios of control first row amplification module opening time and closing duration, controls water purification system and returned with the low rate of recovery or height
The time ratios of yield operation, adjust the rate of recovery.
15. a kind of water purifier, which is characterized in that including the net of the adjustable rate of recovery as described in claim 1~11 any one
Water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972612.5A CN108862687A (en) | 2018-08-24 | 2018-08-24 | Water purification system with adjustable recovery rate, control method thereof and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972612.5A CN108862687A (en) | 2018-08-24 | 2018-08-24 | Water purification system with adjustable recovery rate, control method thereof and water purifier |
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| CN108862687A true CN108862687A (en) | 2018-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810972612.5A Pending CN108862687A (en) | 2018-08-24 | 2018-08-24 | Water purification system with adjustable recovery rate, control method thereof and water purifier |
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| CN113854825A (en) * | 2020-06-30 | 2021-12-31 | 芜湖美的厨卫电器制造有限公司 | Control method and control device for water treatment device and water treatment device |
| CN114409111A (en) * | 2022-01-06 | 2022-04-29 | 佛山市美的清湖净水设备有限公司 | Water purifier, water purification system and water quality adjusting method |
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