CN105948173A - RO (reverse osmosis) water purification system and control method thereof - Google Patents
RO (reverse osmosis) water purification system and control method thereof Download PDFInfo
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- CN105948173A CN105948173A CN201610319390.8A CN201610319390A CN105948173A CN 105948173 A CN105948173 A CN 105948173A CN 201610319390 A CN201610319390 A CN 201610319390A CN 105948173 A CN105948173 A CN 105948173A
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- water
- reverse osmosis
- water tank
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
Abstract
The invention discloses an RO (reverse osmosis) water purification system and a control method thereof. The RO water purification system comprises an electronic control system, an intelligent water tank unit and an RO processing unit, wherein the intelligent water tank unit is arranged in front of a pre-processing unit and used for mixing raw water and concentrated water; the RO processing unit is arranged behind the pre-processing unit and used for purifying the raw water or the raw water and the concentrated water after mixing. According to the RO water purification system and the control method thereof, the recovery rate of the RO water purification system is greatly increased, a membrane surface flow rate is properly increased, so that the service life of an RO membrane is longer, the reasonable recovery rate is regulated according to difference of water quality, and the problem of incapability of recovery rate regulation is solved.
Description
Technical field
The present invention relates to technical field of water purification, particularly relate to a kind of reverse osmosis purified water system and control method thereof.
Background technology
Reverse osmosis water purifier general band pre-treatment defecator, water pump, reverse osmosis membrane filt, waste water ratio
And after-treatment device, former water can be divided into water purification and dense water after pretreating device and reverse osmosis membrane filt.
The water purification that reverse osmosis water purifier is produced reaches the water standard of Ministry of Public Health, capable of direct drinking.And dense water makes
Used time the most directly emits.Water purification that existing reverse osmosis water purifier system can reach and the ratio of waste water
Example is that 1:2, even 1:3, the i.e. response rate only have 25%-35%, the most not only causes the very big wave of water resource
Take, and increase the use cost of user.
At present water purifier mainly by before increasing the membrane area of reverse osmosis membrane, concentrate recirculation to water pump, waste water
The methods such as collection improve the response rate, but these methods equally exist the biggest drawback, cause at finished product
In be difficult with.Increase the membrane area of reverse osmosis membrane and concentrate recirculation to both schemes before pump, can be by
The response rate improves 10%-20%, but can reduce due to the reduction of crossflow velocity and concentration polarization phenomenon simultaneously
The service life of reverse osmosis membrane, especially water quality poor area, service life reduction is obvious, so can make consumption
Person's use cost is higher.It is relatively simple that waste water collects the method utilized, but amount of user effort is big, and slightly
Accidentally, the problem that will result in waterflooding.
Summary of the invention
Present invention is primarily targeted at a kind of reverse osmosis purified water system of offer and control method thereof, it is intended to solve
Certainly the existing counter-infiltration system response rate is low, the reverse osmosis membrane life-span is short, can not regulate back according to tap water quality
The problem of yield.
For achieving the above object, the present invention proposes a kind of reverse osmosis purified water system, including electric-control system, its
It is characterised by, also includes:
Intelligent water tank unit, mixes former water and dense water；
Reverse-osmosis treated unit, after being arranged at described intelligent water tank unit, to former water or mixed former
Water and dense water purify.
Further, this reverse osmosis purified water system also includes:
Pretreatment unit, before being arranged at described reverse-osmosis treated unit, carries out preliminary treatment to former water.
Tap water access unit, before being arranged at described intelligent water tank unit, after tap water access point,
Realize diversion, pressure regulation and protection water cleaning systems；
Reverse osmosis produced water water cell, after being arranged at described reverse-osmosis treated unit, produces water to residue and enters
Row storage；
Post-processing unit, be arranged at described reverse-osmosis treated unit or described reverse osmosis produced water water cell it
After, it is for further processing to producing water；
Further, this reverse osmosis purified water system also includes:
Entering water electromagnetic valve, is arranged between described tap water access unit and described intelligent water tank unit, control
The switching of tap water processed；
Impulse scaler, before being arranged at described reverse-osmosis treated unit, records discharge.
Further, described intelligent water tank unit includes:
Intelligent water tank, mixes former water and dense water；
TDS test probe, is arranged at the inner bottom of described intelligent water tank, the TDS of former water after test mixing
Value；
Lower liquid-level switch, is arranged at the lower sidewall of described intelligent water tank, sensed water level；
Upper liquid-level switch, is arranged at the side wall upper part of described intelligent water tank, sensed water level；
Blowoff electromagnetic valve, is arranged at the sidewall bottom of described intelligent water tank, control of sewage disposal.
Further, described reverse-osmosis treated unit includes:
Self-priming stabilized pressure pump, after being arranged at described impulse scaler, extracts former water；
Reverse osmosis membrane, after being arranged at described self-priming stabilized pressure pump, filters former water；
Scouring electromagnetic valve and waste water ratio, after being arranged at described reverse osmosis membrane, and connect described intelligent water tank,
Regulate the operting differential pressure of described reverse osmosis membrane.
Further, described tap water access unit includes:
Inlet triplet for water ball valve, after being arranged at tap water access point, it is achieved diversion；
Air relief valve, after being arranged at described inlet triplet for water ball valve, regulates water feeding pressure.
Further, described reverse osmosis produced water water cell includes:
Pressure pot and the pressure pot ball valve being arranged on pressure pot, produce water to residue and store；
Described post-processing unit includes:
Rearmounted composite filter element, reprocesses producing water.
Invention additionally discloses the control method of a kind of reverse osmosis purified water system, comprise the following steps:
S1: the water level of the intelligent water tank of detection intelligent water tank unit in real time, the TDS in test intelligent water tank
Value；
S2: the intelligent water tank water level according to detecting carries out water purification work；
S3: carry out blowdown work according to the TDS value in the intelligent water tank tested.
Further, described intelligent water tank unit also includes lower liquid-level switch, upper liquid-level switch and blowdown electricity
Magnet valve, described step S2 includes following sub-step:
S21: detect that, when the water level of intelligent water tank is less than lower liquid-level switch, entering water electromagnetic valve is opened, Xiang Zhi
Can persistently inject tap water by water tank；
S22: detect that, when the water level of intelligent water tank reaches lower liquid-level switch, water cleaning systems is started working；
S23: detect when the water level of intelligent water tank reaches liquid-level switch, entering water electromagnetic valve closedown, water purification
Systems stay works.
Further, described intelligent water tank unit also includes that TDS test probe, described step S3 include
Following sub-step:
S31:TDS test probe tests the TDS value in intelligent water tank when being increased to 400mg/L, only
Water conservancy project is made to stop, and blowoff electromagnetic valve is opened, and starts blowdown；
After S32: water in intelligent water tank is the most drained, blowoff electromagnetic valve is closed, and stops blowdown.
The present invention, by being mixed with former water by dense water in intelligent water tank, reduces dense water-soluble total solid
(TDS) and hardness, continue to use as former water；Do not change the response rate of water purifier own simultaneously, do not damage
Lose crossflow velocity, thus avoid reverse osmosis membrane to reduce service life；At the local dress that former water mixes with dense water
On with TDS detection function TDS test probe, detect water quality situation, and then regulation the response rate, solve
Having determined cannot be according to the problem of the tap water quality situation regulation response rate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other according to the structure shown in these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of reverse osmosis purified water system one embodiment of the present invention；
Fig. 2 is the flow chart of the control method of the reverse osmosis purified water system shown in Fig. 1；
Fig. 3 is the flow chart of step S2 in Fig. 2；
Fig. 4 is the flow chart of step S3 in Fig. 2.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 100 | Tap water access unit | 400 | Reverse-osmosis treated unit |
| 110 | Inlet triplet for water ball valve | 410 | Self-priming stabilized pressure pump |
| 120 | Air relief valve | 420 | Reverse osmosis membrane |
| 200 | Intelligent water tank unit | 430 | Scouring electromagnetic valve |
| 210 | Intelligent water tank | 440 | Waste water ratio |
| 220 | TDS test probe | 500 | Reverse osmosis produced water water cell |
| 230 | Lower liquid-level switch | 510 | Pressure pot ball valve |
| 240 | Upper liquid-level switch | 520 | Pressure pot |
| 250 | Blowoff electromagnetic valve | 600 | Post-processing unit |
| 300 | Pretreatment unit | 610 | High-voltage switch gear |
| 310 | PP is cotton | 620 | Rearmounted composite filter element |
| 320 | Activated carbon | 700 | Entering water electromagnetic valve |
| 330 | Carbon rod | 800 | Impulse scaler |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Pay the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as upper and lower, left and right, front,
After ...) it is only used for explanation phase para-position under a certain particular pose (as shown in drawings) between each parts
Putting relation, motion conditions etc., if this particular pose changes, then directionality instruction is the most corresponding
Ground changes therewith.
It addition, the description relating to " first ", " second " etc. in the present invention is only used for describing purpose, and can not
It is interpreted as instruction or implies its relative importance or the implicit quantity indicating indicated technical characteristic.By
This, define " first ", the feature of " second " can express or implicitly include at least one this feature.
It addition, the technical scheme between each embodiment can be combined with each other, but must be common with this area
Based on technical staff is capable of, when technical scheme combination occur conflicting maybe cannot realize time should
When thinking that the combination of this technical scheme does not exists, the most not within the protection domain of application claims.
With reference to the structural representation that Fig. 1, Fig. 1 are reverse osmosis purified water system one embodiment of the present invention, real at this
Executing in example, this reverse osmosis purified water system includes electric-control system (not marking in figure), also includes:
Intelligent water tank unit 200, mixes former water and dense water；And
Reverse-osmosis treated unit 400, after being arranged at intelligent water tank unit 200, to former water or mixed
Former water and dense water purify.
The reverse osmosis purified water system of the present embodiment, under the control of electric-control system, by intelligent water tank unit 200
According to the water level height in casing, it is achieved the water delivery of tap water and stopping water delivery；Reach certain in casing
Water level after, start reverse-osmosis treated unit 400 carry out water purification work, by reverse-osmosis treated unit
Former water is converted into product water and dense water by 400, does not change water cleaning systems and reclaim in reverse-osmosis treated unit 400
Rate, does not the most lose crossflow velocity, produces water and can be further conveyed to next processing unit, and dense water then can
In reverse-osmosis treated unit 400, direct circulation enters into intelligent water tank unit 200 and is mixed to form with Yuan Shui
New former water, the most repeatedly.
The reverse osmosis purified water system of the embodiment of the present invention, by arrange intelligent water tank unit 200 by former water with
The dense water that reverse-osmosis treated unit 400 produces re-mixes reprocesses as former water, improves reverse osmosis
The response rate of water cleaning systems thoroughly.
Further, with reference to Fig. 1, this reverse osmosis purified water system also includes:
Pretreatment unit 300, before being arranged at reverse-osmosis treated unit 400, carries out preliminary treatment to former water.
Tap water access unit 100, before being arranged at intelligent water tank unit 200, after tap water access point,
Realize diversion, pressure regulation and protection water cleaning systems；
Reverse osmosis produced water water cell 500, after being arranged at reverse-osmosis treated unit 400, produces water to residue
Store；
Post-processing unit 600, is arranged at reverse-osmosis treated unit 400 or reverse osmosis produced water water cell 500
Afterwards, product water is for further processing；
The reverse osmosis purified water system of the present embodiment, enters into reverse-osmosis treated unit 400 to be further ensured that
Former water there is higher water quality, set between intelligent water tank unit 200 and reverse-osmosis treated unit 400
Put pretreatment unit 300, in order to before water purification work starts, water quality is carried out purified treatment in advance；It addition,
Before pretreatment unit 300 can also being arranged at intelligent water tank unit 200, i.e. enter intelligence at tap water
Just it can be carried out purified treatment in advance before tank unit 200.Pretreatment unit 300 includes: PP is cotton
310, activated carbon 320 after being arranged at PP cotton 310, it is arranged at the carbon rod 330 after activated carbon 320,
Former water is carried out preliminary treatment；In the cotton 310 main filtration tap waters of PP, the diameter colloid more than 5 microns is miscellaneous
Matter, such as micro-mud, rust, worm's ovum, organic contamination mineral foreign material etc.；Activated carbon 320 main filtration is certainly
Water is difficult to the Organic substance decomposed, such as phenol, benzene, oil and products thereof, insecticide, detergent, conjunction
Become dyestuff, aminated compounds and many artificial synthetic organic materials；In carbon rod 330 main filtration tap water
The foreign material such as chlorine residue.
Entering water electromagnetic valve 700 and tap water access unit it was additionally provided with before intelligent water tank unit 200
100.Tap water access unit 100 as the branch line that a kind of water delivery device is running water pipe pipeline,
It is mainly used in being incorporated in water cleaning systems the water in running water pipe, and can be excessive at tap water hydraulic
Time reduce its pressure, protect water cleaning systems.The product water that reverse-osmosis treated unit 400 produces typically can be straight
Connect and directly quote as drinking water, water is produced for residue and then can be entered by reverse osmosis produced water water cell 500
Row stores, in order to cutting off the water supply or make Emergency use during power-off；But in order to put forward the mouthfeel of high yield water further
And quality, further product water can be carried out post processing, therefore typically also can be at reverse-osmosis treated unit 400
Or reverse osmosis produced water water cell 500 arranges post-processing unit 600 afterwards and carries out mouthfeel and antibacterial to producing water
Process.
The reverse osmosis purified water system of the embodiment of the present invention, by arranging tap water access unit 100 and water inlet
Tap water is introduced water cleaning systems by electromagnetic valve 700, and reduces its pressure when tap water hydraulic is excessive, protects
Protect water cleaning systems；Pretreatment unit 300 is set former water is carried out preliminary treatment, reverse osmosis produced water storage is set
Unnecessary product water is stored stand-by by water unit 500, arranges post-processing unit 600 to improve further
Produce mouthfeel and the quality of water, step-by-step counting 800 device is additionally set and monitors in real time by reverse-osmosis treated unit
The discharge of 400 and flow velocity can protect reverse osmosis membrane further, extend its service life.
Further, with reference to Fig. 1, this reverse osmosis purified water system also includes:
Entering water electromagnetic valve 700, is arranged between tap water access unit 100 and intelligent water tank unit 200,
Control the switching of tap water；
Impulse scaler 800, before being arranged at reverse-osmosis treated unit 400, records discharge.
In the reverse osmosis purified water system of the present embodiment, the water inlet electricity being directly connected to intelligent water tank unit 200
Magnet valve 700, is to realize the intelligentized key components of intelligent water tank unit 200, at intelligent water tank unit
200 detect when water delivery needs that can open entering water electromagnetic valve 700 by electric-control system carries out water delivery, equally,
When intelligent water tank unit 200 need not water delivery, electric-control system will close entering water electromagnetic valve stopping water delivery.This
Outward, before reverse-osmosis treated unit 400, impulse scaler 800 it is also provided with, in order to implementing monitoring enters
To the discharge of reverse-osmosis treated unit 400, to determine the Peak Flow Rate and stream that reverse osmosis membrane can bear
Amount, protection reverse osmosis membrane extends its service life further.
The reverse osmosis purified water system of the embodiment of the present invention, by arranging entering water electromagnetic valve 700, controls tap water
Switching, it is achieved the intellectuality of intelligent water tank 210；Additionally arrange step-by-step counting 800 device to monitor in real time
Discharge and flow velocity by reverse-osmosis treated unit 400 can protect reverse osmosis membrane further, extend it
Service life.
Further, with reference to Fig. 1, intelligent water tank unit 200 includes:
Intelligent water tank 210, mixes former water and dense water；
TDS test probe 220, is arranged at the inner bottom of intelligent water tank 210, tests the TDS of former water
Value；
Lower liquid-level switch 230, is arranged at the lower sidewall of intelligent water tank 210, sensed water level；
Upper liquid-level switch 240, is arranged at the side wall upper part of intelligent water tank 210, sensed water level；
Blowoff electromagnetic valve 250, is arranged at the sidewall bottom of intelligent water tank 210, control of sewage disposal.
In the reverse osmosis purified water system of the present embodiment, intelligent water tank 210 in cuboid or cylindrical shape,
It is made up of plastics or metal material, its sidewall or top cover are provided with running water pipe installing hole, to realize
Former water or the input of dense water or output；TDS test probe 220, is arranged at the inner bottom of intelligent water tank 210
End, is connected with electric-control system, the TDS data message in electric-control system transmission intelligent water tank 210, main
It is used for testing and former water or former water and dense water mixing water contain the total amount of various dissolubility mineral saltses or total
Salinity, to adjust the blowdown frequency of intelligent water tank 210；Lower liquid-level switch 230, a kind of liquid level sensor,
It is arranged at the lower sidewall of intelligent water tank 210, is connected with electric-control system, transmit intelligent water to electric-control system
Water level information in case 210, to open entering water electromagnetic valve 700 realization water inlet or to make reverse-osmosis treated unit
400 realize water purification work；Upper liquid-level switch 230, a kind of liquid level sensor, it is arranged at intelligent water tank 210
Side wall upper part, be connected with electric-control system, to electric-control system transmission intelligent water tank 210 in water level information,
To close entering water electromagnetic valve 700 realization water inlet or to make reverse-osmosis treated unit 400 stop water purification work；Row
Dirty electromagnetic valve 250, is arranged at the sidewall bottom of intelligent water tank 210, is connected with electric-control system, and TDS tests
The TDS value that probe 220 is tested in intelligent water tank 210 can feed back to electric-control system when reaching certain value,
Electric-control system is opened blowoff electromagnetic valve 250 and is carried out blowdown.
The reverse osmosis purified water system of the embodiment of the present invention, opens by arranging liquid level in intelligent water tank 210
Pass 240 and lower liquid-level switch 230 realize the automatic water-leading of intelligent water tank and cut off the water supply, and then realize water purification system
The automatic work of system；It is provided with the TDS test probe 220 of TDS detection function, detects water quality situation,
And then the regulation response rate, solving cannot be according to the problem of the tap water quality situation regulation response rate；And lead to
The cooperation crossing TDS test probe 240 and blowoff electromagnetic valve 250 realizes Intelligent pollution discharge.
Further, with reference to Fig. 1, reverse-osmosis treated unit 400 includes:
Self-priming stabilized pressure pump 410, after being arranged at impulse scaler 800, extracts former water；
Reverse osmosis membrane 420, after being arranged at self-priming stabilized pressure pump 410, filters former water；
Scouring electromagnetic valve 430 and waste water ratio 440, after being arranged at reverse osmosis membrane 420, and connect intelligent water
Case 210, the operting differential pressure of regulation reverse osmosis membrane 420.
The reverse osmosis purified water system of the present embodiment, tap water unit 100 by entering water electromagnetic valve 700 to
When the former water of intelligent water tank unit 200 input reaches lower liquid-level switch 230, reverse-osmosis treated unit 400
Carry out water purification work, first in intelligent water tank 210, extracted former water by self-priming stabilized pressure pump 410, pass through
Former water is converted into product water and dense water by reverse osmosis membrane 420, is then directly collected by product water, is introduced by dense water
Equipped with scouring electromagnetic valve 430 and the pipeline of waste water ratio 440, the pressure produced by pressure difference promotes dense water
Enter intelligent water tank 210, complete water purification work.Reverse osmosis membrane 420 is the half of a kind of impurity screening and foreign body
Permeable membrane, is under the effect higher than solution osmotic pressure, can not be through semipermeable membrane by this according to other materials
A little materials separate with water, effectively remove the dissolved salts in water, colloid, microorganism, organic filtration
Structure, can be by some impurity and foreign matters from being blocked through using for a long time, if cleaning can reduce not in time
The response rate of reverse osmosis purified water system, and the service life of reverse osmosis membrane can be reduced, therefore in reverse osmosis
Being synchronously arranged with scouring electromagnetic valve 430 and waste water ratio 440 in unit 400, scouring electromagnetic valve 430 is a kind of
According to the automatic current limiting device of pressure regulating water flow, waste water ratio 440 is a kind of joint regulating concentrated water discharge
Stream device, scouring electromagnetic valve 430 and waste water ratio 440 coordinate the pressure difference at regulation reverse osmosis membrane 420 two ends,
And then realize the water purification function of reverse osmosis membrane 420, the service life of reverse osmosis membrane is had the biggest protection
Effect.
The reverse osmosis purified water system of the embodiment of the present invention, by arranging flushing at reverse-osmosis treated unit 400
Electromagnetic valve 430 and waste water ratio 440, effectively regulate the pressure difference at reverse osmosis membrane 420 two ends, not only can protect
The response rate of card reverse osmosis purified water system, and contribute to extending the service life of reverse osmosis membrane.
Further, with reference to Fig. 1, tap water access unit 100 includes:
Inlet triplet for water ball valve 110, after being arranged at tap water access point, it is achieved diversion；
Air relief valve 120, after being arranged at inlet triplet for water ball valve 110, regulates water feeding pressure.
The reverse osmosis purified water system of the present embodiment, tap water access unit 100 is after tap water access point
It is provided with the inlet triplet for water ball valve 110 and air relief valve 120 being sequentially connected in series；Inlet triplet for water ball valve 110 is a kind of
The water route adjusting means of " one enters scene 2 ", connects air relief valve 120 when tap water access unit 100 works
Water route open, connect faucet water route close, it is achieved to the architecture of intelligent water tank unit 200；
When tap water input pressure is excessive, air relief valve 120 is by the pressure depreciation reverse osmosis purified water system of entrance point
The range hydraulic pressure that can bear, and rely on the energy of medium itself, make outlet pressures keep stable.From
Water access unit 100 is drawn in tap water pipe line by inlet triplet for water ball valve 110 and air relief valve 120
It is branched off in water cleaning systems, and reduces its pressure when tap water hydraulic is excessive, protect water cleaning systems.
Further, with reference to Fig. 1, reverse osmosis produced water water cell 500 includes:
Pressure pot 520 and the pressure pot ball valve 510 being arranged on pressure pot 520, pressure pot 520 is to residue
Produce water to store；
Post-processing unit 600 includes:
Rearmounted composite filter element 620, reprocesses producing water.
The reverse osmosis purified water system of the present embodiment, reverse osmosis produced water water cell 500 is by pressure pot 520 He
The pressure pot ball valve 510 being arranged on pressure pot 520 forms, and pressure pot 520 is the big of a capsule shape
Type water storage barrel, is used for receiving residue and produces water, and pressure pot ball valve 510 controls residue product water and enters pressure pot 520,
Retain stand-by；In order to put forward mouthfeel and the quality of high yield water further, post-processing unit 600 arranges again high pressure
Switch 610 and rearmounted composite filter element 620 are to reverse-osmosis treated unit 400 and reverse osmosis produced water water cell
The product water of 500 carries out further mouthfeel improvement and sterilization treatment, by rearmounted meet filter element 620 enter one
Step filter the mouthfeel of the direct drinking making generation more preferably, high purity.
Referring to figs. 1 through 2, invention additionally discloses the control method of a kind of reverse osmosis purified water system, including following
Step:
S1: the water level of the intelligent water tank 210 of detection intelligent water tank unit 200 in real time, tests intelligent water tank
TDS value in 210；
S2: intelligent water tank 210 water level according to detecting carries out water purification work；
S3: carry out blowdown work according to the TDS value in the intelligent water tank 210 tested.
The control method of the reverse osmosis purified water system of the present embodiment, first main by being arranged on intelligent water packing list
Unit 200 intelligent water tank 210 in lower liquid-level switch 230 and upper liquid-level switch 240 in intelligent water tank
Water level detect, simultaneously and record by the TDS test probe 220 being arranged in intelligent water tank 210
The TDS value of the former water of test；Then the water detected according to lower liquid-level switch 230 and upper liquid-level switch 240
Position starts or stops water purification work, the most repeatedly；Finally when TDS probe 220 test is to intelligent water tank 210
Interior former water and the TDS value of dense water reach to stop during setting value water purification work, start corresponding blowdown simultaneously
Program, gets rid of the sewage in intelligent water tank 210.According to this control method, reverse osmosis purified water system energy
Enough improve the response rate of reverse osmosis purified water system, extend the service life of reverse osmosis membrane, and according to water quality
The different adjustment response rate.
Further, with reference to Fig. 1 and 3, intelligent water tank unit 200 also include lower liquid-level switch 230, on
Liquid-level switch 240 and blowoff electromagnetic valve 250, step S2 includes following sub-step:
S21: detect when the water level of intelligent water tank 210 is less than lower liquid-level switch 230, entering water electromagnetic valve 700
Open, persistently inject tap water to intelligent water tank 210；
S22: detect that, when the water level of intelligent water tank 210 reaches lower liquid-level switch 230, water cleaning systems starts
Work；
S23: detect when the water level of intelligent water tank 210 reaches liquid-level switch 240, entering water electromagnetic valve 700
Close, water cleaning systems continuous firing.
The control method of the reverse osmosis purified water system of the present embodiment, including:
Implementation process (one)
During first controlling the water circulation, tap water is through inlet triplet for water ball valve 110, air relief valve 120 and the water inlet of opening
Electromagnetic valve 700, enters intelligent water tank 210, when water level reaches lower liquid-level switch 230, self-priming voltage stabilizing
Pump 410 is started working, reverse osmosis membrane 420 controlling the water circulation, concentrate recirculation to intelligent water tank 210, produces water through multiple
Generate direct drinking after closing filter element 620 or entrance pressure pot 520 is stand-by.
Implementation process (two)
Along with the carrying out of implementation process (one), intelligent water tank 210 (being mixed by dense water and tap water)
In water level more and more higher, when reaching upper liquid-level switch 240, entering water electromagnetic valve 700 is closed, water purification
Systems stay works.When the water level of intelligent water tank is less than lower liquid-level switch 230, entering water electromagnetic valve 700
Open, intelligent water tank 210 persistently injects tap water.This process is run repeatedly, until pressure pot 520
When middle water is full, high-voltage switch gear 610 detects that pressure reaches 0.25Mpa, the most self-priming stabilized pressure pump 410
Out of service, reverse osmosis membrane 420 stops controlling the water circulation.During this, the response rate of reverse osmosis membrane 420 can be adjusted
To 25% (if the poor area of water quality adjustable be 15%), the response rate of whole water cleaning systems then can reach
To 100%.
Further, with reference to Fig. 1 and 4, intelligent water tank unit 200 also includes TDS test probe 220,
Step S3 includes following sub-step:
S31: when the TDS value tested in intelligent water tank 210 is increased to 400mg/L, water purification work stops
Only, blowoff electromagnetic valve 250 is opened, and starts blowdown；
After S32: water in intelligent water tank is the most drained, blowoff electromagnetic valve 250 is closed, and stops blowdown.
The control method of the reverse osmosis purified water system of the present embodiment, including:
Implementation process (three)
TDS test probe during implementation process () and (two) are carried out, in intelligent water tank 210
220 can test TDS value gradually rises, when being increased to certain value, close entering water electromagnetic valve 700 and from
Suction stabilized pressure pump 410, system stops into tap water reverse osmosis membrane 420 simultaneously out of service, blowoff electromagnetic valve
250 open, and the water in intelligent water tank 210 is drained from sewage mouth.The opening time of blowoff electromagnetic valve 250 can
Calculate with the size according to intelligent water tank 210, after the water in intelligent water tank 210 is the most drained, blowdown
Electromagnetic valve 250 cuts out.
If it should be noted that the place that tap water TDS value is low, blowdown frequency is relatively low, if from the beginning
The place that water TDS value is high, blowdown frequency is higher.
In the operation repeatedly of above-mentioned implementation process, the response rate of this water cleaning systems can reach 50%-80%,
Can according to tap water quality difference difference.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention,
Every under the inventive concept of the present invention, utilize the equivalent structure that description of the invention and accompanying drawing content are made
Conversion, or directly/be indirectly used in other relevant technical fields and be included in the patent protection model of the present invention
In enclosing.
Claims (10)
1. a reverse osmosis purified water system, including electric-control system, it is characterised in that also include:
Intelligent water tank unit, mixes former water and dense water；
Reverse-osmosis treated unit, after being arranged at described intelligent water tank unit, purifies former water or mixed former water and dense water.
Reverse osmosis purified water system the most according to claim 1, it is characterised in that this reverse osmosis purified water system also includes:
Pretreatment unit, before being arranged at described reverse-osmosis treated unit, carries out preliminary treatment to former water.
Tap water access unit, before being arranged at described intelligent water tank unit, after tap water access point, it is achieved diversion, pressure regulation and protection water cleaning systems；
Reverse osmosis produced water water cell, after being arranged at described reverse-osmosis treated unit, produces water to residue and stores；
Post-processing unit, after being arranged at described reverse-osmosis treated unit or described reverse osmosis produced water water cell, is for further processing to producing water.
Reverse osmosis purified water system the most according to claim 1, it is characterised in that this reverse osmosis purified water system also includes:
Entering water electromagnetic valve, is arranged between described tap water access unit and described intelligent water tank unit, controls the switching of tap water；
Impulse scaler, before being arranged at described reverse-osmosis treated unit, records discharge.
Reverse osmosis purified water system the most according to claim 1, it is characterised in that described intelligent water tank unit includes:
Intelligent water tank, mixes former water and dense water；
TDS test probe, is arranged at the inner bottom of described intelligent water tank, the TDS value of former water after test mixing；
Lower liquid-level switch, is arranged at the lower sidewall of described intelligent water tank, sensed water level；
Upper liquid-level switch, is arranged at the side wall upper part of described intelligent water tank, sensed water level；
Blowoff electromagnetic valve, is arranged at the sidewall bottom of described intelligent water tank, control of sewage disposal.
Reverse osmosis purified water system the most according to claim 1, it is characterised in that described reverse-osmosis treated unit includes:
Self-priming stabilized pressure pump, after being arranged at described impulse scaler, extracts former water；
Reverse osmosis membrane, after being arranged at described self-priming stabilized pressure pump, filters former water；
Scouring electromagnetic valve and waste water ratio, after being arranged at described reverse osmosis membrane, and connect described intelligent water tank, regulate the operting differential pressure of described reverse osmosis membrane.
Reverse osmosis purified water system the most according to claim 2, it is characterised in that described tap water access unit includes:
Inlet triplet for water ball valve, after being arranged at tap water access point, it is achieved diversion；
Air relief valve, after being arranged at described inlet triplet for water ball valve, regulates water feeding pressure.
Reverse osmosis purified water system the most according to claim 2, it is characterised in that described reverse osmosis produced water water cell includes:
Pressure pot and the pressure pot ball valve being arranged on pressure pot；
Described post-processing unit includes:
Rearmounted composite filter element, reprocesses producing water.
8. the control method of the reverse osmosis purified water system described in claim 1, it is characterised in that comprise the following steps:
S1: the water level of the intelligent water tank of detection intelligent water tank unit in real time, the TDS value in test intelligent water tank；
S2: the intelligent water tank water level according to detecting carries out water purification work；
S3: carry out blowdown work according to the TDS value in the intelligent water tank tested.
The control method of reverse osmosis purified water system the most according to claim 8, it is characterised in that described intelligent water tank unit also includes, lower liquid-level switch, upper liquid-level switch and blowoff electromagnetic valve, described step S2 includes following sub-step:
S21: detect that, when the water level of intelligent water tank is less than lower liquid-level switch, entering water electromagnetic valve is opened, persistently injected tap water to intelligent water tank；
S22: detect that, when the water level of intelligent water tank reaches lower liquid-level switch, water cleaning systems is started working；
S23: detect when the water level of intelligent water tank reaches liquid-level switch, entering water electromagnetic valve closedown, water cleaning systems continuous firing.
The control method of reverse osmosis purified water system the most according to claim 8, it is characterised in that described intelligent water tank unit also includes that TDS test probe, described step S3 include following sub-step:
S31:TDS test probe tests the TDS value in intelligent water tank when being increased to 400mg/L, and water purification work stops, and blowoff electromagnetic valve is opened, and starts blowdown；
After S32: water in intelligent water tank is the most drained, blowoff electromagnetic valve is closed, and stops blowdown.
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| CN109896591A (en) * | 2019-04-23 | 2019-06-18 | 佛山管到家企业管理有限公司 | Self-adaptive intelligent control water purifying device |
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