CN103964595B - A kind of water purifier and pulsed effluent device and control method - Google Patents

A kind of water purifier and pulsed effluent device and control method Download PDF

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Publication number
CN103964595B
CN103964595B CN201310043399.7A CN201310043399A CN103964595B CN 103964595 B CN103964595 B CN 103964595B CN 201310043399 A CN201310043399 A CN 201310043399A CN 103964595 B CN103964595 B CN 103964595B
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water
preset time
effluent
pulsed
branch road
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CN103964595A (en
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沈钧
张建芳
韩升学
李国平
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Shenzhen Angel Drinking Water Equipment Co Ltd
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Shenzhen Angel Drinking Water Equipment Co Ltd
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Abstract

The present invention relates to a kind of water purifier and pulsed effluent device and control method, wherein pulsed effluent device is for control that the water purification system of producing pure water is economized on water, water purification system comprises water inlet, delivery port and discharge of wastewater mouth, and pretreating device, filter and after-treatment device; Pulsed effluent device comprises the waste discharge pipeline assembly for effluent between the waste water mouth that is connected to discharge of wastewater mouth and after-treatment device; Waste discharge pipeline assembly: be the first branch road of often opening for realizing quantitative effluent and on off state, for realizing the second controlled branch road of quantitative effluent and on off state; Pulsed effluent device also comprises the control circuit being connected with the second branch road, for realizing the pulsed control of the discharge of wastewater flow to water purification system. The flow of the adjustable discharge of wastewater of the present invention and number of times, realize pulsed effluent, also can promote the water quality that water purification system is produced in reducing discharge of wastewater.

Description

A kind of water purifier and pulsed effluent device and control method
Technical field
The present invention relates to purifier, more particularly, relate to a kind of water purifier and pulsed effluent dress thereofPut and control method.
Background technology
In current anti-penetration water purifier, reverse osmosis purified water principle generally: from running water pipe flow out running waterFlow into successively several preprocessing filter element through water inlet pipe and carry out pretreatment, then enter counter-infiltration after booster pump superchargingFilter core carries out advanced treating, and what flow out from counter-osmosis device filter core delivery port is exactly pure water, filters from counter-osmosis deviceCore concentrated water discharge mouth discharge dense water again after waste water ratio as discharge of wastewater.
Above-mentioned waste water ratio is a kind of throttling arrangement, and it has two effects: 1, keep anti-in counter-osmosis device filter corePermeable membrane has sufficiently high pressure in dense water one side, to ensure that current pass counter-osmosis device film and have enough currentPower; 2, in the constantly dense water of discharge of certain flow ratio, to ensure that current are in dense water one side of counter-osmosis device filmHave larger tangential flow velocity, ion, the particle etc. in anti-sealing causes film to stop up at film surface deposition.
Existing counter-osmosis device film will make its filtration not stop up for a long time, all must have the waste water of larger flowDischarge, produces 1m conventionally3Rice pure water, need to consume 4m3Running water. In order to prevent that reverse osmosis membrane from stopping up,General common water purifier is provided with scouring electromagnetic valve and controls discharge of wastewater, and its operation principle is: treat water purifierAfter work a period of time, open scouring electromagnetic valve, and booster pump and entering water electromagnetic valve all open, at this moment flow throughThe flow velocity of dense water one side surface of counter-osmosis device film is very large, so that the tamper that flushing membrane surface may deposit.Although adopt the scheme of this quantitative effluent can keep to a certain extent the clean of filter core, its waste dischargeThe water yield is large, and cannot effectively reach the object of water saving.
For example, in the patent documentation that application number is 2007101248080, a kind of water purification machine and pure water are disclosedMachine method of work, water purification machine comprises water inlet, delivery port, also comprise pretreating device, after-treatment device,The structures such as automatic flushing device and concentrated water discharge mouth, automatic flushing device comprises respectively and is arranged at concentrated water discharge mouthAnd two electromagnetism between pretreating device concentrated water spout, between concentrated water discharge mouth and after-treatment device concentrated water spoutValve, and alternately open and close respectively two magnetic valves and realize concentrated water drainage control high-volume. But adoptThis water purification machine scheme can only realize timing pretreating device and batch (-type) rinses after-treatment device, although energyReach to a certain extent the object of water saving, but because employing stops a period of time---effluent certain hourCirculation pattern, middle not effluent completely will have a significant impact the reverse osmosis membrane life-span of water manufacturing system.Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides one to subtractFew discharge of wastewater also ensures water purifier and pulsed effluent device and the control method of pure water water quality.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of pulsed effluent device, for control that the water purification system of producing pure water is economized on waterSystem; Described water purification system comprises water inlet, delivery port and discharge of wastewater mouth, and comprises connection in turnPretreating device, filter and after-treatment device between described water inlet and described delivery port; Wherein,Described pulsed effluent device comprises the waste water that is connected to described discharge of wastewater mouth and described after-treatment deviceThe waste discharge pipeline assembly for effluent between mouthful; Described waste discharge pipeline assembly comprises and being connected in parallel at leastTwo branch roads, are respectively: be the first branch road of often opening for realizing quantitative effluent and on off state, useIn realizing the second controlled branch road of quantitative effluent and on off state;
Described pulsed effluent device also comprises the control circuit being connected with described the second branch road, for basisThe opening/closing time of the second branch road and number of times described in the running water state parameter control detecting, to realize describedThe pulsed control of the discharge of wastewater flow of water purification system.
Pulsed effluent device of the present invention, wherein, it is right that described waste discharge pipeline also comprises for realizingComplete machine pipeline rinses the 3rd branch road of controlling;
Described control circuit is connected with described the 3rd branch road, beats for control described the 3rd branch road in the time powering onOpen, so that complete machine pipeline is rinsed.
Pulsed effluent device of the present invention, wherein, described control circuit comprises:
For gathering the collecting unit of described running water state parameter;
For described running water state parameter being compared to the data processing unit of analysis;
For producing and be used for controlling described the second branch road according to the comparative analysis result of described data processing unitOpen and close the instruction generation unit of instruction;
Wherein, the output of described collecting unit connects the input of described data processing unit, described dataThe output of processing unit connects the input of described instruction generation unit, the output of described instruction generation unitEnd connects and controls described the second branch road.
Pulsed effluent device of the present invention, wherein, described running water state parameter comprises running waterTDS value, described collecting unit is connected with the TDS probe for detection of described running water TDS value.
Pulsed effluent device of the present invention, wherein, described running water state parameter comprises running waterTemperature value, described collecting unit is connected with the temp-sensitive sensor for detection of described running water temperature value.
Pulsed effluent device of the present invention, wherein, described the first branch road comprises the first waste water ratio,Described second route the second waste water ratio and the second magnetic valve are composed in series, and described the 3rd branch road comprises the first electricityMagnet valve.
The present invention also provides a kind of control method of pulsed effluent device, wherein, comprises the following steps:
In the time connecting the power supply of water purification system, control the 3rd branch road of described pulsed effluent device and beatAfter opening the first Preset Time, close, described water purification system enters normal water state processed;
, the running water state parameter detecting is entered during in normal water state processed at described water purification systemRow is analyzed, and produces the control instruction that the second branch road for controlling described pulsed effluent device opens and closes.
Control method of the present invention, wherein, described running water state parameter is running water TDS value;
Described at described water purification system during in normal water state processed, to the running water state ginseng detectingNumber is analyzed, and produces the control instruction that the second branch road for controlling described pulsed effluent device opens and closesStep specifically comprise:
Be divided at least two stages by ascending described running water TDS value, comprise the first stage: 0~aPPMAnd second stage: a~bPPM; Wherein, described a, b are positive count, and described a < b;
At described water purification system during in normal water state processed, the described running water TDS that judgement detectsWhich stage is value belong to;
In the time that described running water TDS value belongs to the described first stage, produce and control described the second branch road interval theTwo Preset Times are opened once, and to open the duration be the 3rd Preset Time at every turn;
In the time that described running water TDS value belongs to described second stage, produce and control described the second branch road interval theFour Preset Times are opened once, and to open the duration be the 5th Preset Time at every turn.
Control method of the present invention, wherein, described control method further comprises:
By the ascending three phases that is divided into of described running water TDS value, further comprise the phase III: > bPPM;
In the time that described running water TDS value belongs to the described phase III, produce and control described the second branch road interval theSix Preset Times are opened once, and to open the duration be the 7th Preset Time at every turn.
Control method of the present invention, wherein, described the second Preset Time, described the 4th Preset Time andDescribed the 6th Preset Time is the random time in 1~10 minute, and described in described the second Preset Time >The 6th Preset Time described in four Preset Time >.
Control method of the present invention, wherein, described the 3rd Preset Time, described the 5th Preset Time andDescribed the 7th Preset Time is the random time in 1~60 second, and described in described the 3rd Preset Time < the 5thThe 7th Preset Time described in Preset Time <.
The present invention also provides a kind of water purifier, comprises water inlet, delivery port and discharge of wastewater mouth, and bagDraw together the pretreating device, filter and the post processing that are connected in turn between described water inlet and described delivery portDevice; Wherein, also comprise the pulsed effluent device as described in aforementioned any one, described pulsed waste dischargeThe waste discharge pipeline assembly of water device be connected to described discharge of wastewater mouth and described after-treatment device waste water mouth itBetween.
Water purifier of the present invention, wherein, the TDS probe of described pulsed effluent device is arranged on instituteBefore stating after-treatment device.
Water purifier of the present invention, wherein, described pretreating device is active carbon filter core, described filtration dressBe set to PP filter core or milipore filter, described after-treatment device comprises RO membrane cartridge and post active carbon filter core;
Between described RO membrane cartridge and described post active carbon filter core, be connected with pressure switch and pressurized tank;
Between described RO membrane cartridge and described PP filter core or milipore filter, be connected entering water electromagnetic valve and booster pump;
Before described TDS probe is arranged on described booster pump.
Beneficial effect of the present invention is: in the discharge of wastewater mouth of water purification system and giving up of after-treatment deviceWaste discharge pipeline assembly is set between the mouth of a river, and adopts control circuit in the time powering on, to control the 3rd branch road to open, withComplete machine pipeline is rinsed, and according to the running water state parameter detecting (for example running water TDS value andTemperature value etc.) control opening/closing time and the number of times of the second branch road of waste discharge pipeline assembly, to regulate different situationsThe flow of lower discharge of wastewater, realizes the pulsed control of the discharge of wastewater flow to water purification system, is subtractingWhen few discharge of wastewater, can also promote the water quality that water purification system is produced, and improve the use of filter coreLife-span.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 be the pulsed effluent device of preferred embodiment of the present invention and with water purification system partCatenation principle block diagram;
Fig. 2 is control circuit theory diagram in the pulsed effluent device of preferred embodiment of the present invention;
Fig. 3 be the water purification system of preferred embodiment of the present invention and with pulsed effluent device partCatenation principle block diagram one;
Fig. 4 be the water purification system of preferred embodiment of the present invention and with pulsed effluent device partCatenation principle block diagram two.
Detailed description of the invention
The pulsed effluent device of preferred embodiment of the present invention is for the water purification system to production pure waterThe control of economizing on water as shown in Figure 1, is consulted Fig. 3 simultaneously, and water purification system wherein comprises water inlet3, delivery port 15 and discharge of wastewater mouth 13, and comprise be connected in turn water inlet 3 and delivery port 15 itBetween pretreating device 2, filter 4 and after-treatment device 8,14; Wherein, pulsed effluent dressPut and comprise the row for effluent who is connected between discharge of wastewater mouth 13 and the waste water mouth of after-treatment device 8Useless pipeline assembly; This waste discharge pipeline assembly comprises at least two branch roads that are connected in parallel, and is respectively: for realityNow quantitatively effluent and on off state are the first branch road of often opening, for realizing quantitative effluent and switchThe second branch road that state is controlled; This pulsed effluent device also comprises the control electricity being connected with the second branch roadRoad, for according to the opening/closing time of running water state parameter control the second branch road of detecting and number of times, with realityThe now pulsed control of the discharge of wastewater flow to water purification system.
Further, as shown in Figure 4, above-mentioned waste discharge pipeline also comprise for realize complete machine pipeline is rushedWash the 3rd branch road of control; Control circuit is connected with the 3rd branch road, beats for control the 3rd branch road in the time powering onOpen, so that complete machine pipeline is rinsed.
Be appreciated that above-mentioned the first branch road, the second branch road and the 3rd branch road can be by different magnetic valves or uselessWater ratio waits device to form, and only needs to meet above-mentioned functions, does not describe in detail one by one at this.
In a specific embodiment, above-mentioned the first branch road comprises 16, the second routes of the first waste water ratioThe second waste water ratio 9 and the second magnetic valve 11 are composed in series, and the 3rd branch road comprises the first magnetic valve 10.
In above-described embodiment, the first magnetic valve 10 is (when complete machine powering) quilt in the time that water purifier is opened mainlyOpen, rinse water purification system pipeline, to wash out the deposit on reverse osmosis membrane surface, prevent that deposit from makingFilm forming is stopped up; The first waste water ratio 16 that the second branch road band is often opened, is mainly used in ensureing in water purification systemBasic discharge of wastewater flow; The second waste water ratio 16 and the second electromagnetism that the 3rd branch road belt switch state is controlledValve 11, in the time that the second magnetic valve 11 is opened, the wastewater discharge of complete machine is the first waste water ratio 16 and secondThe stack of waste water ratio 9, therefore wastewater discharge is larger, in the time that the second magnetic valve 11 cuts out, overall waste waterDischarge capacity is less, therefore can realize by the control that the second magnetic valve 11 is opened and closed Pure water preparation to beThe unite pulsed control of overall discharge of wastewater flow.
Be appreciated that the control circuit 20 in above-described embodiment is also connected with power supply adaptor 30, Yi JilianBe connected to the entering water electromagnetic valve 6, pressure switch 12, booster pump 7 of water purification system and for detection of running waterSensor (for example TDS probe or temperature sensor) of state parameter etc.
In above-described embodiment, running water state parameter comprises running water TDS value and/or running water temperature value.Wherein, above-mentioned TDS is the abbreviation of English totaldissolvedsolids, and Chinese translation is for dissolvingProperty total solid, claims again total salinity, and measurement unit is mg/litre (mg/L), and it shows 1 premium on currencyIn be dissolved with how many milligrams of total dissolved solids, the total ion concentration in 1 premium on currency in other words, can represent waterHardness number. In the time that running water state parameter is running water TDS value, can pass through Real-Time Monitoring water purification systemIn running water TDS value realize the control of discharge of wastewater flow.
For example, when running water TDS value being detected hour, represent water purification system water intermediate ion,Grain thing etc. is less, and can controlling the second magnetic valve 11, to open frequency lower, and each opening time is relatively short by oneA bit, to reduce wastewater discharge; In the time detecting that running water TDS value is larger, expression water purification systemWater intermediate ion, particle etc. are more, and can controlling the second magnetic valve 11, to open frequency higher, and open at every turnTime is relatively longer, and to increase wastewater discharge, ion, the particle etc. in anti-sealing is heavy on film surfaceManufacturing film forming stops up. Can realize like this and carry out targetedly discharge of wastewater flow-control, same what economize on waterShi Tisheng water quality, and extend filter element life.
In a further embodiment, as shown in Figure 2, the control circuit of above-mentioned pulsed effluent device20 comprise: be connected with sensor, for gathering the collecting unit 21 of running water state parameter; Be used for oneselfWater state parameter compares the data processing unit 22 of analysis; For according to data processing unit 22Comparative analysis result produces the instruction generation unit 23 that opens and closes instruction for controlling the second magnetic valve 11; Wherein,The input of the output connection data processing unit 22 of collecting unit 21, data processing unit 22 defeatedGo out to hold the input of link order generation unit 23, the output of instruction generation unit 23 connects the second electromagnetismValve 11. In the time that running water state parameter is running water TDS value, collecting unit 21 is connected with for detection of oneselfThe TDS probe 6 of water TDS value; In the time that running water state parameter is running water temperature value, collecting unit 21Be connected with the temp-sensitive sensor for detection of running water temperature value.
Particularly, the preferred control method of above-mentioned pulsed effluent device is as follows: connecting Pure water preparation systemWhen the power supply of system, control entering water electromagnetic valve 6 and suppression pump work, the simultaneously control impuls of water purification systemAfter the first magnetic valve 10 of formula effluent device is opened the first Preset Time, close, water purification system entersNormal water state processed; At water purification system during in normal water state processed, to the running water state detectingParameter is analyzed, and produces the control opening and closing for the second magnetic valve of control impuls formula effluent device and refers toOrder. Wherein, above-mentioned the first Preset Time can be specifically to arrange according to different water purification systems,It can be for example 5 seconds, 10 seconds, 15 seconds, 20 seconds etc. That opens at the first magnetic valve 10 is first defaultIn time, because the first magnetic valve 10 is not with waste water ratio, therefore can carry out the pipeline of water purification systemRinse, with the deposit on flushing membrane surface, prevent that deposit from causing film to stop up.
Taking running water state parameter as the situation of running water TDS value, this control method is said in detail belowBright. Specifically comprise: at water purification system during in normal water state processed, to the running water state detectingParameter is analyzed, and produces the control opening and closing for the second magnetic valve 11 of control impuls formula effluent deviceThe step of instruction specifically comprises: be divided at least two stages by ascending running water TDS value, comprise firstStage: 0~aPPM and second stage: a~bPPM; Wherein, a, b are positive count, and a < b,For example, a=200PPM, b=400PPM; At water purification system during in normal water state processed, judgement inspectionWhich stage is the running water TDS value measuring belong to; In the time that running water TDS value belongs to the first stage, produce controlMake second magnetic valve 11 interval the second Preset Times and open once, and to open the duration be the 3rd pre-at every turnIf the time; In the time that running water TDS value belongs to second stage, produce and control the second magnetic valve 11 intervals the 4thPreset Time is opened once, and to open the duration be the 5th Preset Time at every turn.
Preferably, by the ascending running water TDS value three phases that is divided into, except comprising aforementioned two stagesFurther comprise the phase III outward: > bPPM; In the time that running water TDS value belongs to the phase III, produceRaw second magnetic valve 11 intervals the 6th Preset Time of controlling is opened once, and to open the duration be the at every turnSeven Preset Times.
Preferably, above-mentioned the second Preset Time, the 4th Preset Time and the 6th Preset Time are 1~10 minuteInterior random time, and the second Preset Time > the 4th Preset Time > the 6th Preset Time. For example: secondPreset Time is that 5~10 minutes, the 4th Preset Time are that 3~5 minutes and the 6th Preset Time are 1~3Minute, specifically can rationally arrange according to the water purifier of different size.
Preferably, above-mentioned the 3rd Preset Time, the 5th Preset Time and the 7th Preset Time are in 1~60 secondRandom time, and the 3rd Preset Time < the 5th Preset Time < the 7th Preset Time. For example: the 3rd is pre-Be that 20~24 seconds and the 7th Preset Time are 25~30 seconds if the time is 1~19 second, the 5th Preset Time,Specifically can rationally arrange according to the water purifier of different size.
At one, more preferably in embodiment, above-mentioned control method specifically comprises: connect water purification system electricitySource, control circuit 20 is controlled and is opened entering water electromagnetic valve 6 and the first magnetic valve 10, the increasing of water purification systemPress pump 7 is worked, and after 20 seconds, turn-offs the first magnetic valve 10, and water purification system is water processed normally; Control electricity6 water numbers from the beginning that detect are popped one's head in when 1~200PPM by TDS in road 20 simultaneously, watery in normal systemUnder state, every 5 points of the second magnetic valve 11 is opened 1 time, opening time 18 seconds, pulsed effluent; Or work asTDS pops one's head in 6 water numbers from the beginning that detect in the time of 200~400PPM, under normal water state processed, and secondEvery 4 points of magnetic valve 11 is opened 1 time, opening time 22 seconds, pulsed effluent; Or when TDS probe 6The water number from the beginning detecting in the time of > 400PPM, under normal water state processed, the second magnetic valve 11 every 3Divide and open 1 time, opening time 28 seconds, pulsed effluent.
Further, above-mentioned control method also comprises step: whether the pressurized tank that detects water purification system fillsFull; In the time that the pressurized tank of water purification system is filled, the pressure switch 12 of generation control water purification system,The control instruction that the first magnetic valve 10, the second magnetic valve 11, entering water electromagnetic valve 6 all disconnect, works as pressurized tankAfter water is used up, water purification system is working in reciprocating mode again.
With of the prior art, pre-procesor is regularly rinsed and after-treatment device is rinsed in real timeScheme compare, the control method of above-mentioned preferred embodiment has realized more optimal discharge of wastewater method, rightThan evidence, adopt after the control method of above-mentioned preferred embodiment, water-saving result is than punching of the prior artThe mode of washing is more obvious.
In preferred embodiment comparatively, the second branch road being connected in parallel in above-mentioned pulsed effluent deviceSubstitute with multifunctional electromagnetic valves of the 3rd route, this multifunctional electromagnetic valves includes a waste water ratio of often opening and props upThe not magnetic valve branch road with waste water ratio of road and one, and this waste water ratio branch road of often opening and this be not with waste water ratioMagnetic valve branch circuit parallel connection connects. When control circuit 20 is controlled not leading with the magnetic valve branch road of waste water ratio whereinWhen logical, whole multifunctional electromagnetic valves, by the pipeline connection at two ends, can be realized the flushing to after-treatment device; Work as controlWhen circuit 20 processed is controlled not closing with the magnetic valve branch road of waste water ratio wherein, in whole multifunctional electromagnetic valvesWaste water ratio branch road works.
In preferred embodiment, the first branch road being connected in parallel in above-mentioned pulsed effluent device andWaste water ratio electromagnetic valve of second route substitutes, and this waste water ratio electromagnetic valve includes a band and often opens waste water ratioBranch road and the branch road of a controlled waste water ratio of belt switch state, and this band is often opened branch road and this band of waste water ratioThe branch circuit parallel connection of the controlled waste water ratio of on off state connects.
Particularly, above-mentioned waste water ratio electromagnetic valve comprises water inlet pipe, outlet pipe, intake antrum, water chamber, firstCapillary and the second capillary; Wherein, water chamber is communicated with outlet pipe, water inlet pipe by the first capillary withIntake antrum is communicated with, and water inlet pipe is communicated with water chamber by the second capillary simultaneously; Waste water ratio electromagnetic valve also comprisesBe used for the solenoid control parts of the connected state of controlling intake antrum and water chamber. I.e. the first capillary whereinCorrespond to the controlled waste water ratio of on off state, the second capillary is for often opening waste water ratio.
When the spool of controlling solenoid control parts when control circuit 20 is closed, its intake antrum and water chamber phaseCut off, the liquid that enters into intake antrum through the first capillary by water inlet pipe cannot enter into water chamber, makesMust be communicated with the effect that the first capillary cannot play waste water ratio, only have the second capillary to work, whole waste waterBe the second waste water ratio size capillaceous than the waste water ratio of magnetic valve; When control circuit 20 is controlled magnetic valveWhen the spool of control assembly is opened, its intake antrum is connected with water chamber, now by water inlet pipe through first maoThe liquid that tubule enters into intake antrum can enter into water chamber, the waste water ratio of whole waste water ratio electromagnetic valveBe the first capillary and the second waste water ratio size sum capillaceous. Therefore, adopt above-mentioned waste water ratio electromagnetic valveCan realize fine adjustment and control to complete machine waste water ratio flow.
In another embodiment of the present invention, a kind of water purifier is also provided, as shown in Figure 3, comprise into waterMouthfuls 3, delivery port 15 and discharge of wastewater mouth 13, and comprise and be connected in turn water inlet 3 and delivery port 15Between pretreating device 2, filter 4 and after-treatment device 8,14; Wherein, also comprise as aforementionedPulsed effluent device in arbitrary embodiment, the waste discharge pipeline assembly of pulsed effluent device is connected toThe waste water mouth place of after-treatment device 8, wherein pulsed effluent device and control method thereof are consulted aforementioned each realityExecute example, be not repeated herein.
Preferably, before the TDS of above-mentioned pulsed effluent device probe is arranged on after-treatment device.
Preferably, above-mentioned pretreating device 2 is active carbon filter core, and filter 4 is PP filter core or ultrafiltrationFilm, after-treatment device comprises that RO membrane cartridge 8(is reverse osmosis membrane filter element) and post active carbon filter core 14;Between RO membrane cartridge 8 and post active carbon filter core 14, be connected with pressure switch 12 and pressurized tank 1; RO filmBetween filter core 8 and filter 4, be connected with entering water electromagnetic valve 6 and booster pump 7; TDS probe is arranged on instituteBefore stating booster pump.
Below by concrete experiment, institute in the 3rd section of above-mentioned pulsed effluent scheme and background technology is situated betweenThe 4th section of water purification machine scheme of introducing of quantitative effluent scheme, background technology continuing contrasts respectivelyBright.
Under normal circumstances, in the time of magnetic valve standard-sized sheet, effluent flow is 1-1.2L/min, is assumed to be 1L/min,Suppose continuous operation 24 hours simultaneously.
In the water purification system of above-mentioned employing pulsed effluent device, suppose the flushing electromagnetism of the 3rd branch roadOnce, each opening time is 15S in valve work in every eight hours, i.e. work 24 hours every days three times, always rowThe water yield is (3*15S*1L/min)/60S=0.75L. Quantitatively effluent is that 150CC and on off state are standard-sized sheetThe first branch road: work 24 hours, total waste discharge water yield is
[(24h/min*60min/s*60s-3*15S) * 150mL/min]/(60S*1000) ≈ 216L. Quantitatively rowWaste water is that 150CC and on off state are the second controlled branch road: if its operating frequency is to open for every 10 minutes15 seconds, work times was (24*60*60)/615 ≈ 140 times, and total displacement is(140*15S*150mL/min)/(60S*1000)=5.25L. As from the foregoing, adopt pulsed effluent deviceThe water purification system total displacement of 1 day be approximately 0.75L+216L+5.25=222L.
Adopt the quantitative effluent scheme of introducing in the 3rd section of background technology: suppose that scouring electromagnetic valve is every eight littleIn time, works once, and opening time is 15S, i.e. work 24 hours every days three times, and total displacement is(3*15S*1L/min)/60S=0.75L. The branch road that quantitatively effluent is 300cc: work 24 hours, totalThe waste discharge water yield is
[(24h/min*60min/s*60s-3*15S)*300mL/min]/(60S*1000)≈431.8L。
Be not difficult to find out, compared with above-mentioned quantitative effluent scheme, employing pulsed effluent device of the present inventionWater purification system greatly reduce at wastewater emission amount, reached the object of water saving.
In the water purification machine scheme of introducing in the 4th section of background technology, be to take to stop a period of time---waste dischargeThe circulation pattern of water certain hour, will there be considerable influence centre completely not effluent to RO membrane lifetime. AndIn pulsed effluent scheme of the present invention, be to adopt the mode of lasting and pulsed effluent to carry out, like thisCan not only reach the object of water saving, and the working method of the effluent of this conversion meets the work of RO filmCondition, has different impulsive forces for the tamper on flushing membrane surface simultaneously, and effluent efficiency is higher, and effectFruit is better.
To sum up, the present invention's giving up by the discharge of wastewater mouth 13 at water purification system and after-treatment device 8Waste discharge pipeline assembly is set between the mouth of a river, and adopts control circuit 20 in the time powering on, to control the first magnetic valve 10Open, so that complete machine pipeline is rinsed, and for example, according to the running water state parameter (running water detectingTDS value and temperature value etc.) control opening/closing time and the number of times of the second magnetic valve 17 of waste discharge pipeline assembly,To regulate the flow of discharge of wastewater under different situations, realize the arteries and veins of the discharge of wastewater flow to water purification systemRush formula control, in reducing discharge of wastewater, can also promote the water quality that water purification system is produced, andImprove the service life of filter core.
Should be understood that, for those of ordinary skills, can be improved according to the above descriptionOr conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.

Claims (11)

1. a pulsed effluent device, for control that the water purification system of producing pure water is economized on waterSystem; Described water purification system comprises water inlet, delivery port and discharge of wastewater mouth, and comprises in turn and connectingBe connected on pretreating device, filter and after-treatment device between described water inlet and described delivery port;It is characterized in that, described pulsed effluent device comprises and is connected to described discharge of wastewater mouth and described rear placeThe waste discharge pipeline assembly for effluent between the waste water mouth of reason device; Described waste discharge pipeline assembly comprisesAt least two branch roads that are connected in parallel, are respectively: for realizing quantitative effluent and on off state for normalThe first branch road of opening, for realizing the second controlled branch road of quantitative effluent and on off state; DescribedOne branch road comprises the first waste water ratio;
Described pulsed effluent device also comprises the control circuit being connected with described the second branch road, for rootAccording to opening/closing time and the number of times, right to realize of the second branch road described in the running water state parameter control detectingThe pulsed control of the discharge of wastewater flow of described water purification system;
Described control circuit comprises the collecting unit for gathering described running water state parameter; From the beginning describedWater state parameter comprises running water TDS value, and described collecting unit is connected with for detection of described running water TDSThe TDS probe of value;
Be divided at least two stages by ascending described running water TDS value, comprise the first stage: 0~aPPM, second stage: a~bPPM and phase III: > bPPM; Wherein, described a, b are anyPositive number, and described a < b; In the time that described running water TDS value belongs to the described first stage, produce and control instituteState second branch road interval the second Preset Time and open once, and to open the duration be the 3rd when default at every turnBetween; In the time that described running water TDS value belongs to described second stage, produce and control described the second branch road intervalThe 4th Preset Time is opened once, and to open the duration be the 5th Preset Time at every turn; At described running waterWhen TDS value belongs to the described phase III, produce described the second branch road interval the 6th Preset Time of control and openOnce, and at every turn opening the duration is the 7th Preset Time;
Wherein, described the second Preset Time, described the 4th Preset Time and described the 6th Preset Time are 1~10Random time in minute, and the 6th default described in the 4th Preset Time > described in described the second Preset Time >Time; Described the 3rd Preset Time, described the 5th Preset Time and described the 7th Preset Time are 1~60 secondIn random time, and described in described the 3rd Preset Time < described in the 5th Preset Time < the 7th when defaultBetween.
2. pulsed effluent device according to claim 1, is characterized in that described waste pipeRoad also comprises for realizing rinses to complete machine pipeline the 3rd branch road of controlling;
Described control circuit is connected with described the 3rd branch road, beats for control described the 3rd branch road in the time powering onOpen, so that complete machine pipeline is rinsed.
3. pulsed effluent device according to claim 1, is characterized in that, described control electricityRoad also comprises:
For described running water state parameter being compared to the data processing unit of analysis;
For producing and be used for controlling described the second branch road according to the comparative analysis result of described data processing unitOpen and close the instruction generation unit of instruction;
Wherein, the output of described collecting unit connects the input of described data processing unit, described numberConnect the input of described instruction generation unit according to the output of processing unit, described instruction generation unitOutput connects and controls described the second branch road.
4. pulsed effluent device according to claim 3, is characterized in that described running waterState parameter comprises running water temperature value, and described collecting unit is connected with for detection of described running water temperatureThe temp-sensitive sensor of value.
5. pulsed effluent device according to claim 2, is characterized in that, described secondRoute the second waste water ratio and the second magnetic valve are composed in series, and described the 3rd branch road comprises the first magnetic valve.
6. a control method for pulsed effluent device, is characterized in that, comprises the following steps:
In the time connecting the power supply of water purification system, control the 3rd branch road of described pulsed effluent deviceAfter opening the first Preset Time, close, described water purification system enters normal water state processed;
At described water purification system during in normal water state processed, to the running water state parameter detectingAnalyze, produce the control instruction that the second branch road for controlling described pulsed effluent device opens and closes;Wherein, described running water state parameter is running water TDS value;
Described at described water purification system during in normal water state processed, to the running water state detectingParameter is analyzed, and produces the control that the second branch road for controlling described pulsed effluent device opens and closesThe step of instruction specifically comprises:
Be divided at least two stages by ascending described running water TDS value, comprise the first stage: 0~aPPM, second stage: a~bPPM and phase III: > bPPM; Wherein, described a, b are anyPositive number, and described a < b;
At described water purification system during in normal water state processed, the described running water that judgement detectsWhich stage is TDS value belong to;
In the time that described running water TDS value belongs to the described first stage, produce and control described the second branch road intervalThe second Preset Time is opened once, and to open the duration be the 3rd Preset Time at every turn;
In the time that described running water TDS value belongs to described second stage, produce and control described the second branch road intervalThe 4th Preset Time is opened once, and to open the duration be the 5th Preset Time at every turn;
In the time that described running water TDS value belongs to the described phase III, produce and control described the second branch road intervalThe 6th Preset Time is opened once, and to open the duration be the 7th Preset Time at every turn;
Described the second Preset Time, described the 4th Preset Time and described the 6th Preset Time are 1~10 minuteIn random time, and described in described the second Preset Time > described in the 4th Preset Time > the 6th when defaultBetween; Described the 3rd Preset Time, described the 5th Preset Time and described the 7th Preset Time are in 1~60 secondRandom time, and the 7th Preset Time described in the 5th Preset Time < described in described the 3rd Preset Time <.
7. control method according to claim 6, is characterized in that, described the second Preset Time,Described the 4th Preset Time and described the 6th Preset Time are the random time in 1~10 minute.
8. control method according to claim 6, is characterized in that, described the 3rd Preset Time,Described the 5th Preset Time and described the 7th Preset Time are the random time in 1~60 second.
9. a water purifier, comprises water inlet, delivery port and discharge of wastewater mouth, and comprises connection in turnPretreating device, filter and after-treatment device between described water inlet and described delivery port; ItsBe characterised in that, also comprise the pulsed effluent device as described in any one in claim 1-5, described inThe waste discharge pipeline assembly of pulsed effluent device is connected to described discharge of wastewater mouth and described after-treatment deviceWaste water mouth between.
10. water purifier according to claim 9, is characterized in that, described pulsed effluent dressBefore the TDS probe of putting is arranged on described after-treatment device.
11. water purifiers according to claim 10, is characterized in that, described pretreating device is for livingProperty charcoal filter core, described filter is PP filter core or milipore filter, described after-treatment device comprises RO membrane cartridgeWith post active carbon filter core;
Between described RO membrane cartridge and described post active carbon filter core, be connected with pressure switch and pressurized tank;
Between described RO membrane cartridge and described PP filter core or milipore filter, be connected entering water electromagnetic valve and booster pump;
Before described TDS probe is arranged on described booster pump.
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CN104965419B (en) * 2015-06-01 2018-06-08 小米科技有限责任公司 Condensed water discharge method and device
CN105084465B (en) * 2015-08-27 2018-03-30 佛山市美的清湖净水设备有限公司 Reverse osmosis purified water system and its discharge of wastewater control method
CN105174378B (en) * 2015-09-14 2018-08-07 珠海格力电器股份有限公司 A kind of waste water proportioner
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