CN108686515A - Water purification system capable of improving recovery rate, control method of water purification system and water purifier - Google Patents
Water purification system capable of improving recovery rate, control method of water purification system and water purifier Download PDFInfo
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- CN108686515A CN108686515A CN201810974188.8A CN201810974188A CN108686515A CN 108686515 A CN108686515 A CN 108686515A CN 201810974188 A CN201810974188 A CN 201810974188A CN 108686515 A CN108686515 A CN 108686515A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 400
- 238000011084 recovery Methods 0.000 title claims abstract description 60
- 238000000746 purification Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 72
- 239000012141 concentrate Substances 0.000 claims description 19
- 238000007781 pre-processing Methods 0.000 claims description 10
- 238000012372 quality testing Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 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
- 239000000523 sample Substances 0.000 description 19
- 239000002351 wastewater Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/06—Specific process operations in the permeate stream
-
- 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]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (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 capable of improving 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 pure water pipeline, a concentrated water pipeline and a concentrated water return 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 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 through a pure water conveying pipe, and the output end of the post-processing unit is connected with a pure water pipeline; the dense water output end is connected with the dense water pipeline, the pure water pipeline is connected with the reverse osmosis filter core input end through the pure water conveying pipe, the dense water return pipeline input end is connected with the dense water output end of the reverse osmosis filter core, and the output end is arranged on the upstream of the reverse osmosis filter core. The invention improves the recovery rate of the water purification system by making part of the concentrated water flow back to the upstream of the reverse osmosis filter element.
Description
Technical field
The present invention relates to water purifier technical fields, more particularly to a kind of water cleaning systems and its controlling party improving the rate of recovery
Method, water purifier.
Background technology
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 is will produce, waste water is not easy to be utilized, and causes greatly to waste, existing
Water purifier generally there are the rate of recovery low, the disadvantage more than discharge of wastewater.
The present inventor discloses a kind of water cleaning systems 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 cleaning systems further include concentrated water discharge control unit, and the concentrated water discharge control unit includes the
One branch the 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 cleaning systems solve the problems, such as to adjust the concentrated water rate of recovery, but can not flow back utilization there is also concentrated water,
And disadvantage complicated, that volume is big, manufacturing cost is high, in view of this, the present inventor especially has developed a kind of raising rate of recovery
Water cleaning systems and its control method, water purifier, this case thus generate.
Invention content
Can not flow back utilization there are concentrated water to solve existing water purifier, and it is complicated, volume is big, manufacturing cost is high
Problem, the present invention provides a kind of water cleaning systems and its control method, water purifier improving the rate of recovery.
To achieve the above object, the technical solution adopted by the present invention is as follows:A kind of water cleaning systems improving the rate of recovery, including
Raw water mouth, reverse osmosis filter core, water pipeline, pure water pipeline, concentrated water pipeline, it is characterised in that:Further include that composite filter element, water purification are defeated
It includes preprocessing unit, postpositive disposal unit, preposition processing to send pipe, pure water delivery pipe and concentrate recirculation pipeline, composite filter element
Unit input terminal is connected with raw water mouth, and output end is connected with water pipeline;The reverse osmosis filter core output end is divided into pure
The input terminal of water output end, concentrated water output end, postpositive disposal unit is connect with pure water output end by pure water delivery pipe, output end
It is connected with pure water pipeline;The concentrated water output end is connected with concentrated water pipeline, and water pipeline is by water purification delivery pipe and instead
Infiltration filter core input terminal is connected;The concentrate recirculation pipeline input terminal is connect with reverse osmosis filter core concentrated water output end, output
End is arranged in reverse osmosis filter core upstream.
Further, further include flow control valve, the flow control valve is set on concentrated water pipeline.
Further, further include throttle valve, the throttle valve is set on concentrate recirculation pipeline.
Further, further include check valve, the check valve is respectively arranged on concentrate recirculation pipeline, reverse osmosis filter core
Pure water output end and postpositive disposal unit input terminal between.
Further, further include entering water electromagnetic valve, stabilized pressure pump, the entering water electromagnetic valve, stabilized pressure pump are arranged in series in only
In water delivery pipe.
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.
Further, further include water storage device, the water storage device is connected with pure water delivery pipe.
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.
Further, further include flowmeter, the flowmeter is arranged in pure water pipeline and/or water pipeline.
A kind of control method of the water cleaning systems of the above-mentioned raising rate of recovery, includes the following steps:
S1:When water cleaning systems power on, when high-voltage switch gear detects low pressure, water cleaning systems enter aqueous mode processed;
S2:When water cleaning systems water, part concentrated water is discharged by flow control valve;Another part concentrated water passes through concentrate recirculation
Pipeline is back to reverse osmosis filter core input terminal;
S3:When high-voltage switch gear detects high pressure, water cleaning systems stop water processed.
A kind of control method of the water cleaning systems of the above-mentioned raising rate of recovery, includes the following steps:
S1:When water cleaning systems power on, high-voltage switch gear detects when low pressure or high-voltage switch gear detects high pressure and flows later
Umber of pulse > 0, water cleaning systems enter aqueous mode processed to gauge within a certain period of time;
S2:When water cleaning systems water, part concentrated water is discharged by flow control valve:Another part concentrated water passes through concentrate recirculation
Pipeline is back to reverse osmosis filter core input terminal;
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 cleaning systems stop system
Water.
Further, when water cleaning systems rinse, concentrated water is all discharged by flow control valve.
A kind of water purifier includes the water cleaning systems of the above-mentioned raising 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 raising rate of recovery of the invention
System and its control method, water purifier, part concentrated water are back to reverse osmosis filter core input terminal by concentrate recirculation pipeline, improve
The rate of recovery of water cleaning systems, and reduce the quantity of filter core, reduce user and change core frequency and change core cost, realizes water purification body
Product miniaturization.
Description of the drawings
Fig. 1 is the structural schematic diagram for the water cleaning systems that the first embodiment of the invention improves the rate of recovery;
Fig. 2 is the structural schematic diagram for the water cleaning systems that second of embodiment of the present invention improves the rate of recovery;
Fig. 3 is the structural schematic diagram for the water cleaning systems that the third embodiment of the invention improves the rate of recovery;
Fig. 4 is the structural schematic diagram for the water cleaning systems that the 4th kind of embodiment of the present invention improves the rate of recovery;
Fig. 5 is the structural schematic diagram for the water cleaning systems that the 5th kind of embodiment of the present invention improves the rate of recovery;
Fig. 6 is the structural schematic diagram for the water cleaning systems that the 6th kind of embodiment of the present invention improves the rate of recovery;
Fig. 7 is the structural schematic diagram for the water cleaning systems that the 7th kind of embodiment of the present invention improves the rate of recovery;
Fig. 8 is the structural schematic diagram for the water cleaning systems that the 8th kind of embodiment of the present invention improves the rate of recovery.
Specific implementation mode
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 cleaning systems improving the rate of recovery, including composite filter element 1, reverse osmosis
Filter core 2, raw water mouth 31, water pipeline 32, pure water pipeline 33, concentrated water pipeline 34, concentrate recirculation pipeline 35, water purification delivery pipe
36, pure water delivery pipe 37, the composite filter element 1 include preprocessing unit, postpositive disposal unit, the preposition processing list
First input terminal is connected with raw water mouth 31, and output end is connected with water pipeline 32;The water pipeline 32 is defeated by water purification
Pipe 36 is sent to be connected with 2 input terminal of reverse osmosis filter core, it is defeated that 2 output end of reverse osmosis filter core is divided into pure water output end, concentrated water
The pure water output end of outlet, the reverse osmosis filter core 2 is connected by pure water delivery pipe 37 with the input terminal of postpositive disposal unit
It connects, the output end of the postpositive disposal unit is connected with pure water pipeline 33;The concentrated water output end of the reverse osmosis filter core 2
It is connected with concentrated water pipeline 34, the concentrated water pipeline 34 is connected by concentrate recirculation pipeline 35 with water purification delivery pipe.
Further include waste water ratio electromagnetic valve 4, entering water electromagnetic valve 5, stabilized pressure pump 6, the first check valve 7, the second check valve 7 ', waste water
Proportioner 8, high-voltage switch gear 9 and flowmeter 10, the waste water ratio electromagnetic valve 4 are set on concentrated water pipeline 34;It is described into water power
Magnet valve 5, stabilized pressure pump 6 are arranged in series in water purification delivery pipe 35, the connection of the concentrate recirculation pipeline 35 and water purification delivery pipe
Place is between entering water electromagnetic valve 5, stabilized pressure pump 6;First check valve 7 is set in pure water delivery pipe 37, and described
Two check valves 7 ' are set on concentrate recirculation pipeline 35;The waste water proportioner 8 and the second check valve 7 ' is set to concentrate recirculation pipe
On road 35;The flowmeter 10 is arranged in series in high-voltage switch gear 9 in pure water pipeline 33.
A kind of control method of the water cleaning systems of the above-mentioned raising rate of recovery is also disclosed, is included the following steps:
S1:When water cleaning systems power on, high-voltage switch gear 9 detects when low pressure or high-voltage switch gear 9 detects high pressure and later
Umber of pulse > 0, water cleaning systems enter aqueous mode processed to flowmeter 10 within a certain period of time;
S2:When water cleaning systems water, part concentrated water is discharged by waste water ratio electromagnetic valve 4:Another part concentrated water passes through concentrated water
Return line 35 is back to reverse osmosis filter core input terminal;
S3:High-voltage switch gear 9 detects high pressure and umber of pulse is 0 to flowmeter 10 within a certain period of time later, and water purifier stops
Water processed.
In S2, the duration for being powered or powering off by controlling waste water ratio electromagnetic valve 4 carries out concentrated water discharge, adjusts the rate of recovery;Portion
Point concentrated water is back to reverse osmosis filter core input terminal after the filtering of waste water proportioner by concentrate recirculation pipeline 35, carries out again
Reverse-osmosis treated improves the recovery utilization rate of concentrated water.
A kind of water purifier is also disclosed, the water cleaning systems of the above-mentioned raising rate of recovery are included.
The water cleaning systems as described above for improving the rate of recovery, if user uses water purification, before raw water passes through composite filter element 1
Setting the water purification flowed out after processing unit filtering can directly 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 9 detects low pressure,
Or high-voltage switch gear 9 detects high pressure and later the umber of pulse > 0 within a certain period of time of flowmeter 10, water purification mechanism pure water;Raw water
After the filtering of the preprocessing unit of composite filter element 1, reverse osmosis filter core 2 is entered by entering water electromagnetic valve 5, stabilized pressure pump 6, is passed through
After 2 advanced treating of reverse osmosis filter core, it is divided into pure water and concentrated water;Wherein pure water is entered by check valve 7 at the postposition of composite filter element 1
Unit is managed, the pure water by postposition filtering is flowed out by flowmeter 10, high-voltage switch gear 9, and the pure water of outflow can directly and tap
Connection, for users to use.
When user closes tap, high-voltage switch gear 9 detects high pressure and the later pulse within a certain period of time of flowmeter 10
Number is 0, and water purifier stops pure water processed.
When water purifier rinses, the concentrated water is all discharged by waste water ratio electromagnetic valve 4.
Specific embodiment two:
With reference to shown in Fig. 2, the water cleaning systems of the raising rate of recovery as described in embodiment one further include water storage device 11, institute
The water storage device 11 stated includes pressure pot or compressible water bag, and the water storage device 11 is connected with pure water delivery pipe 37;Institute
The high-voltage switch gear 9 stated is set between water storage device 11 and pure water delivery pipe 37.
Compared with embodiment one, raw water by composite filter element 1 preprocessing unit filtering after, by entering water electromagnetic valve 5,
Stabilized pressure pump 6 is divided into pure water and concentrated water into reverse osmosis filter core 2 after 2 advanced treating of reverse osmosis filter core;Wherein pure water has two
Branch, a branch enter pressure pot by check valve 7, high-voltage switch gear 9;Another branch is entered multiple by check valve 7
The postpositive disposal unit for closing filter core 1, the pure water filtered by postposition are flowed out by high-voltage switch gear 9;The pure water of outflow can directly with
Tap connects, 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 9
After unit filtering, for users to use by tap.
Specific embodiment three:
With reference to shown in Fig. 3, the water cleaning systems of the raising rate of recovery as described in embodiment one, the high-voltage switch gear 9 is individually
It is arranged in pure water pipeline 33, removes flowmeter 10.
Compared with embodiment one, the water cleaning systems of the raising rate of recovery of the present embodiment can be controlled directly by high-voltage switch gear 9
The start and stop of water purifier pure water branch processed;If user uses pure water, when user opens tap, high-voltage switch gear 9 detects low
Pressure, water purifier start pure water processed, and when user closes tap, high-voltage switch gear 9 detects that high pressure, water purifier stop pure water processed.
Specific embodiment four:
With reference to shown in Fig. 4, the water cleaning systems of the raising rate of recovery as described in embodiment two, the pure water pipeline 33 moves up
Except flowmeter 10.
Compared with embodiment two, the water cleaning systems of the raising rate of recovery of the present embodiment can be controlled directly by high-voltage switch gear 9
The start and stop of water purifier pure water branch processed;If user uses pure water, when user opens tap, high-voltage switch gear 9 detects low
Pressure, water purifier start pure water processed;When user closes tap, high-voltage switch gear 9 detects that high pressure, water purifier stop pure water processed.
Specific embodiment five:
Referring to Figure 5, the water cleaning systems of the raising rate of recovery as described in embodiment one, further include water quality testing unit,
The water quality testing unit includes the TDS probes 12 with temperature sensing package, the TDS probes 12 and check valve 7 be arranged in series in
In pure water delivery pipe 37;The water quality testing unit further includes Water quality detector 13, the Water quality detector 13 and second
Flowmeter 10 ' is arranged in series on water pipeline 32.
Compared with embodiment one, the water cleaning systems of the raising rate of recovery of the present embodiment can increase in the downstream that RO film pure water flows out
Add the TDS probes 12 with temperature sensing package, the TDS probes anti-for that can be influenced when reminding user's raw water temperature too low or excessively high
Membrane lifetime and water purifier performance are permeated, needs to protect water purifier;Meanwhile detection pure water TDS, prompting user's water purifier are run in real time
State and water safety situation;Also it can increase second flowmeter 10 ' in water purification branch, the second flowmeter 10 ' is for more
In the service life of 1 preprocessing unit of accurate marker composite filter element, the flowmeter 10 of pure water branch is for marking postpositive disposal unit
Service life.
The Water quality detector 13 can detect 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 waste water ratio electromagnetic valve 4 so that water purifier can be most suitable time
Yield is run.
Specific embodiment six:
With reference to shown in Fig. 6, the water cleaning systems of the raising rate of recovery as described in embodiment two, the water quality testing unit packet
The first TDS probes 12, the 2nd TDS probes 12 ' are included, the first TDS probes 12 are arranged in series with check valve 7 to be conveyed in pure water
On pipe 37, the 2nd TDS probes 12 ' are arranged in series in first flowmeter 10 in pure water pipeline 33;It further include water quality inspection
Device 13 is surveyed, the Water quality detector 13 is arranged in series in second flowmeter 10 ' on water pipeline 32.
Compared with embodiment two, the water cleaning systems of the raising rate of recovery of the present embodiment can increase in the downstream that RO film pure water flows out
Add the first TDS probes 12 and the 2nd TDS probes 12 ' with temperature sensing package, the first TDS probes are for reminding user's raw water temperature
Reverse osmosis membrane service life and water purifier performance can be influenced when spending low or excessively high, need to protect water purifier;2nd TDS is visited
Needle 12 ' reminds user's water purifier operating status and water safety situation for detecting pure water TDS;Also can increase in water purification branch
Second flowmeter 10 ', it is service life of the second flowmeter 10 ' for more acurrate label 1 preprocessing unit of composite filter element, pure
The flowmeter 10 of water branch is used to mark the service life of postpositive disposal unit.
The Water quality detector 13 can detect 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 waste water ratio electromagnetic valve 4 so that water purifier can be most suitable time
Yield is run.
Specific embodiment 7:
With reference to shown in Fig. 7, the water cleaning systems of the raising rate of recovery as described in embodiment three, the water quality testing unit packet
TDS probes 12 are included, the TDS probes 12 are arranged in series with check valve 7 in pure water delivery pipe 37;It further include Water quality detector
13, the Water quality detector 13 is arranged in series in second flowmeter 10 ' on water pipeline 32.
Compared with embodiment three, the water cleaning systems of the raising rate of recovery of the present embodiment can increase in the downstream that RO film pure water flows out
Add the TDS probes 12 with temperature sensing package, the TDS probes anti-for that can be influenced when reminding user's raw water temperature too low or excessively high
Membrane lifetime and water purifier performance are permeated, needs to protect water purifier;Meanwhile detection pure water TDS, prompting user's water purifier are run in real time
State and water safety situation;Also it can increase second flowmeter 10 ' in water purification branch, the second flowmeter 10 ' is for more
In the service life of 1 preprocessing unit of accurate marker composite filter element, the flowmeter 10 of pure water branch is for marking postpositive disposal unit
Service life.
The Water quality detector 13 can detect 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 waste water ratio electromagnetic valve 4 so that water purifier can be most suitable time
Yield is run.
Specific embodiment eight:
With reference to shown in Fig. 8, the water cleaning systems of the raising rate of recovery as described in example IV, the water quality testing unit packet
TDS probes 12 are included, the TDS probes 12 are arranged in series with check valve 7 in pure water delivery pipe 37;It further include Water quality detector
13, the Water quality detector 13 is arranged in series in second flowmeter 10 ' on water pipeline 32.
Compared with example IV, the water cleaning systems of the raising rate of recovery of the present embodiment can increase in the downstream that RO film pure water flows out
Add the TDS probes 12 with temperature sensing package, the TDS probes anti-for that can be influenced when reminding user's raw water temperature too low or excessively high
Membrane lifetime and water purifier performance are permeated, needs to protect water purifier;Meanwhile detection pure water TDS, prompting user's water purifier are run in real time
State and water safety situation;Also it can increase second flowmeter 10 ' in water purification branch, the second flowmeter 10 ' is for more
In the service life of 1 preprocessing unit of accurate marker composite filter element, the flowmeter 10 of pure water branch is for marking postpositive disposal unit
Service life.
The Water quality detector 13 can detect 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 waste water ratio electromagnetic valve 4 so that water purifier can be most suitable time
Yield is run.
In conclusion compared with prior art, the water cleaning systems and its control method of a kind of raising 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 surfaces
Amount variation, can effectively slow down concentration polarization, protect RO films, extend filter element life.
The preferred embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, all profits
The change for carrying out unsubstantiality to the present invention with this design, should all belong to the behavior for invading the scope of the present invention.
Claims (13)
1. a kind of water cleaning systems improving the rate of recovery, including raw water mouth, reverse osmosis filter core, water pipeline, pure water pipeline, concentrated water pipe
Road, it is characterised in that:Further include that composite filter element, water purification delivery pipe, pure water delivery pipe and concentrate recirculation pipeline, composite filter element include
Preprocessing unit, postpositive disposal unit, preprocessing unit input terminal are connected with raw water mouth, output end and water pipeline phase
Connection;The reverse osmosis filter core output end is divided into pure water output end, concentrated water output end, the input terminal of postpositive disposal unit with it is pure
Water output end is connected by pure water delivery pipe, and output end is connected with pure water pipeline;The concentrated water output end and concentrated water pipeline
It is connected, water pipeline is connected by water purification delivery pipe with reverse osmosis filter core input terminal;The concentrate recirculation pipeline input
End is connect with reverse osmosis filter core concentrated water output end, and output end is arranged in reverse osmosis filter core upstream.
2. improving the water cleaning systems of the rate of recovery as described in claim 1, it is characterised in that:Further include flow control valve, it is described
Flow control valve be set to concentrated water pipeline on.
3. improving the water cleaning systems of the rate of recovery as described in claim 1, it is characterised in that:Further include throttle valve, the section
Valve is flowed to be set on concentrate recirculation pipeline.
4. improving the water cleaning systems of the rate of recovery as described in claim 1, it is characterised in that:Further include check valve, the list
It is respectively arranged on concentrate recirculation pipeline to valve, between the pure water output end of reverse osmosis filter core and postpositive disposal unit input terminal.
5. improving the water cleaning systems of the rate of recovery as described in claim 1, it is characterised in that:Further include entering water electromagnetic valve, voltage stabilizing
Pump, the entering water electromagnetic valve, stabilized pressure pump are arranged in series in water purification delivery pipe.
6. improving the water cleaning systems of the rate of recovery as described in claim 1, it is characterised in that:Further include water quality testing unit, institute
The water quality testing unit stated is set on one or more in water pipeline, pure water delivery pipe, pure water pipeline.
7. improving the water cleaning systems of the rate of recovery as described in claim 1, it is characterised in that:Further include water storage device, it is described
Water storage device is connected with pure water delivery pipe.
8. improving the water cleaning systems of the rate of recovery as claimed in claim 7, it is characterised in that: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.
9. improving the water cleaning systems of the rate of recovery as described in claim 1, it is characterised in that:Further include flowmeter, the stream
Gauge is arranged in pure water pipeline and/or water pipeline.
10. a kind of control method for the water cleaning systems improving the rate of recovery, which is characterized in that control such as claim 1~8 is any one
The water cleaning systems of the raising rate of recovery described in, include the following steps:
S1:When water cleaning systems power on, when high-voltage switch gear detects low pressure, water cleaning systems enter aqueous mode processed;
S2:When water cleaning systems water, part concentrated water is discharged by flow control valve;Another part concentrated water passes through concentrate recirculation pipeline
It is back to reverse osmosis filter core input terminal;
S3:When high-voltage switch gear detects high pressure, water cleaning systems stop water processed.
11. a kind of control method for the water cleaning systems improving the rate of recovery, which is characterized in that control such as claim 1~9 is any one
The water cleaning systems of the raising rate of recovery described in, include the following steps:
S1:When water cleaning systems power on, high-voltage switch gear detects 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 cleaning systems enter aqueous mode processed;
S2:When water cleaning systems water, part concentrated water is discharged by flow control valve;Another part concentrated water passes through concentrate recirculation pipeline
It is back to reverse osmosis filter core input terminal;
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 cleaning systems stop water processed.
12. improving the control method of the water cleaning systems of the rate of recovery as claimed in claim 11, it is characterised in that:The water purification
When system flush, concentrated water is all discharged by flow control valve.
13. a kind of water purifier, which is characterized in that the water purification including improving the rate of recovery as claimed in any one of claims 1 to 9 wherein
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974188.8A CN108686515A (en) | 2018-08-24 | 2018-08-24 | Water purification system capable of improving recovery rate, control method of water purification system and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974188.8A CN108686515A (en) | 2018-08-24 | 2018-08-24 | Water purification system capable of improving recovery rate, control method of water purification system and water purifier |
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| CN108686515A true CN108686515A (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810974188.8A Pending CN108686515A (en) | 2018-08-24 | 2018-08-24 | Water purification system capable of improving recovery rate, control method of water purification system and water purifier |
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Application publication date: 20181023 |