CN102745774A - Reverse osmosis water-purification method - Google Patents
Reverse osmosis water-purification method Download PDFInfo
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- CN102745774A CN102745774A CN2011100982675A CN201110098267A CN102745774A CN 102745774 A CN102745774 A CN 102745774A CN 2011100982675 A CN2011100982675 A CN 2011100982675A CN 201110098267 A CN201110098267 A CN 201110098267A CN 102745774 A CN102745774 A CN 102745774A
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Abstract
The invention provides a reverse osmosis water-purification method. The reverse osmosis water-purification method is suitable for a reverse osmosis water-purification device. The reverse osmosis water-purification device comprises a front filtration zone for receiving unfiltered water and a reverse osmosis zone containing a reverse osmosis film. The front filtration zone is communicated with the reverse osmosis zone by a first transportation supply pipe and a circulation pipe. The reverse osmosis water-purification method comprises the following steps of 1, setting a drainage threshold value or water purification time, 2, carrying out pressurization so that one part of the unfiltered water passes through the reverse osmosis film and the other part of the unfiltered water is blocked, then passes through the circulation pipe and returns to the front filtration zone, and 3, detecting if an impurity concentration of the unfiltered water in the circulation pipe is higher than the drainage threshold value or determining if input time of the unfiltered water is longer than the water purification time, if so, discharging the unfiltered water. The reverse osmosis water-purification method can greatly reduce a discharge amount of unfiltered water and accordingly improve water purification efficiency of the reverse osmosis water-purification device.
Description
Technical field
The present invention relates to a kind of reverse osmosis purifier, refer to a kind of method that promotes the reverse osmosis cleaning water especially.
Background technology
Because the incident of environmental pollution emerges in an endless stream, for example the malice of heavy metal, waste is toppled over, and the mass rearing of domestic birds and animals in recent years; All can cause contaminated water source, so Running-water Company can increase the consumption of disinfectant in order to ensure popular safe drinking water; To boil be drinkable demand to reach; But many common people often have mouthfeel not good for tap water, and see the white dirt that tap water produces after boiling, and the doubt of drinking is arranged; Make the common people have and install water strainer additional or buy the consideration that water is drunk; Raise but owing to the long-term drinking that whether can feel at ease to the water of being bought, and for the requirement of drinking water quality, installing the reverse osmosis drinking device additional has become household drinking water one megatrend now.
Yet reverse osmosis drinking device is now announced M306142 number like the TaiWan, China patent of invention; In the water purifying process,, can give off about four parts waste water simultaneously in order to produce a drinkable pure water; Cause with waste waterborne, and the problem of waste water resource is arranged.
Summary of the invention
Main purpose of the present invention, the wastewater flow rate that is discharged when being to reduce the running of reverse osmosis drinking device, the problem of solution waste water resource.
For reaching above-mentioned purpose; The present invention provides a kind of reverse osmosis process for purifying water; Be used for a reverse osmosis purifier; This reverse osmosis purifier comprise one receive a unfiltered water leading portion filtrating area, supply defeated pipeline and circulation line and that the reverse osmosis district, that is communicated with this leading portion filtrating area supplies unfiltered water in this reverse osmosis district to be back to this leading portion filtrating area is detected the detector of the impurity concentration of unfiltered water in this circulation line through one first, this reverse osmosis process for purifying water includes following steps:
Set a draining threshold numerical value (threshold value) in this detector;
Increase the hydraulic pressure of this unfiltered water, a part that makes this unfiltered water obtains a filtered water through the reverse osmosis membrane be located in this reverse osmosis district, and another part is stopped by this reverse osmosis membrane and is back to this leading portion filtrating area through this circulation line; And
After the impurity concentration that this detector detecting is back to the unfiltered water of this leading portion filtrating area from this reverse osmosis district was higher than this draining threshold numerical value, the bleed valve that unlatching one and this circulation line join was to discharge this unfiltered water.
The further improved technical scheme according to the present invention, this bleed valve cuts out behind the water discharge time between 10 to 60 seconds in opening one.
The further improved technical scheme according to the present invention, an initial impurity concentration of this this unfiltered water of draining threshold numerical basis is set.
The further improved technical scheme according to the present invention, this detector is a total dissolved solids of this unfiltered water of detecting.
For reaching above-mentioned purpose; The present invention provides a kind of reverse osmosis process for purifying water in addition; This reverse osmosis purifier comprise one receive a unfiltered water by a water-in leading portion filtrating area, supply defeated pipeline and measure this unfiltered water by the timer of the time of this this leading portion filtrating area of water-in entering through one first with circulation line and that reverse osmosis district, that this leading portion filtrating area is communicated with and has a reverse osmosis membrane supplies unfiltered water in this reverse osmosis district to be back to this leading portion filtrating area, this reverse osmosis process for purifying water includes following steps:
Set the water purification time in this timer;
Increase the hydraulic pressure of this unfiltered water, make the part of this unfiltered water obtain a filtered water through this reverse osmosis membrane, another part is stopped by this reverse osmosis membrane and is back to this leading portion filtrating area through this circulation line;
This timer judges that this unfiltered water reaches this water purification after the time by the time that this water-in gets into this leading portion filtrating area, and the bleed valve that unlatching one and this circulation line join is to discharge this unfiltered water.
The further improved technical scheme according to the present invention, this water purification time is for to set according to an initial impurity concentration of this unfiltered water.
The further improved technical scheme according to the present invention, this water purification time is between 10 to 60 minutes.
The further improved technical scheme according to the present invention, this bleed valve cuts out behind the water discharge time between 10 to 60 seconds in opening one.
Thus, after the impurity concentration of the present invention through this unfiltered water of this detector detecting is higher than this draining threshold numerical value; Or this timer reaches this water purification after the time in the time of measuring this reverse osmosis purifier water inlet, and the beginning is got rid of this unfiltered water, in other words, if this unfiltered water does not reach certain impurity concentration as yet; Or the water inlet of this reverse osmosis water feed apparatus is less than certain hour, and this unfiltered water this leading portion filtrating area that then refluxes makes water can circulate and refilters, and reduces the waste of water resources, solves the problem of existing reverse osmosis drinking device generation excess waste discharge.
Description of drawings
Fig. 1 is the device synoptic diagram of first embodiment of the invention;
Fig. 2 is the process step synoptic diagram of first embodiment of the invention;
Fig. 3 is the device synoptic diagram of second embodiment of the invention;
Fig. 4 is the process step synoptic diagram of second embodiment of the invention; And
Fig. 5 is the process step synoptic diagram of third embodiment of the invention.
Embodiment
Relevant detailed description of the present invention and technology contents, as follows with regard to the conjunction with figs. explanation at present:
Seeing also " Fig. 1 " reaches shown in " Fig. 2 "; Device and process step synoptic diagram for first embodiment of the invention; The present invention is used for a reverse osmosis purifier, and this reverse osmosis purifier includes a leading portion filtrating area 10, a reverse osmosis district 20, one first supplies defeated pipeline 71, a circulation line 40 and a detector 50, and this leading portion filtrating area 10 receives a unfiltered water 81; Be connected this between this leading portion filtrating area 10 and this reverse osmosis district 20 and first supply defeated pipeline 71; The defeated pipeline 71 of this first confession supplies these unfiltered waters 81 to flow to this reverse osmosis district 20 from this leading portion filtrating area 10, and this circulation line 40 supplies the unfiltered waters 81 in this reverse osmosis district 20 to be back to this leading portion filtrating area 10, and this detector 50 is a total dissolved solids water quality detection device; Can be in order to detect the total dissolved solids in the water, to judge the impurity concentration of this unfiltered water 81.
Shown in " Fig. 2 ", the method for first embodiment of the invention includes following steps:
Step S1a: set draining threshold numerical value; Set a draining threshold numerical value relevant with impurity concentration in this detector 50, this draining threshold numerical value can be according to an initial impurity concentration value of the unfiltered water 81 at different zones water source, and water demand and setting; In this embodiment; This detector 50 comprises a setup unit (figure does not show), and this setup unit supplies the user to set this draining threshold numerical value, and the bleed valve 41 that these detector 50 electric connections one and this circulation line 40 join; So as to complying with this bleed valve 41 of draining threshold numerical value start that sets, this draining threshold numerical value is example to be set in 800ppm.
Carry out water purification S2: this leading portion filtrating area 10 imports this unfiltered water 81 from a water intaking valve 13 via a water-in 14; This leading portion filtrating area 10 has several filtering element (cartridge); Be that one first mistake filter core 11 and one second is crossed filter core 12 in this embodiment; This unfiltered water 81 gets into this reverse osmosis district 20 after crossing filter core 12 filtrations via the first mistake filter core 11 and second, is provided with a reverse osmosis membrane 21 in this reverse osmosis district 20; Through increasing the hydraulic pressure of this unfiltered water 81; This unfiltered water 81 of an order part can become a filtered water 82 through this reverse osmosis membrane 21, and this filtered water 82 supplies defeated pipeline 72 to get into a clean water area 30 via one second, and this filtered water 82 becomes a water purification 83 through a rearmounted filter core 31 of crossing of being located in this clean water area 30 again; 81 of this unfiltered waters through this reverse osmosis membrane 21 are not back to this leading portion filtrating area 10 through this circulation line 40, promptly have than this unfiltered water 81 of high impurity concentration this circulation line 40 of will flowing through.
Step S3a: detect water quality and carry out draining; This detector 50 detects the impurity concentration that is back to this unfiltered water 81 of this leading portion filtrating area 10 from this reverse osmosis district 20; If the impurity concentration of this unfiltered water 81 that refluxes reaches this draining threshold numerical value, then open this bleed valve 41 that joins with this circulation line 40, surpass this unfiltered water 81 of this draining threshold value with discharge impurities concentration; These bleed valve 41 sustainable unlatching one water discharge times, this water discharge time is between 10 to 60 seconds.
In this embodiment; When this detector 50 detects the total dissolved solids arrival 800ppm of this unfiltered water 81; Then be arranged at this bleed valve 41 on this circulation line 40, will cooperate this preset water discharge time to open, make residual impurity on it; Can discharge via this bleed valve 41 with this unfiltered water 81, with this unfiltered water 81 of getting rid of high impurity concentration simultaneously and the purpose that reaches clean this reverse osmosis membrane 21.
Please continue to consult " Fig. 3 " reaches shown in " Fig. 4 "; Device and process step synoptic diagram for second embodiment of the invention; This reverse osmosis purifier includes a leading portion filtrating area 10, a reverse osmosis district 20, one first supplies defeated pipeline 71, a circulation line 40 and a timer 60; This leading portion filtrating area 10 supplies a defeated unfiltered water 81 through a water intaking valve 13 via a water-in 14; And this unfiltered water 81 flows into these reverse osmosis districts 20 via being communicated with the defeated pipeline 71 of this first confession of this leading portion filtrating area 10 with this reverse osmosis district 20; And can be back to this leading portion filtrating area 10 by this circulation line 40 again; This circulation line 40 is connected with a bleed valve 41, and this bleed valve 41 electrically connects with this timer 60 and receives the control of this timer 60 and open or cut out, and this timer 60 can measure this unfiltered water 81 is got into these leading portion filtrating areas 10 by this water-in 14 time.
Shown in " Fig. 4 ", the method for second embodiment of the invention includes following steps:
Step S1b: set the water purification time value; Set the water purification time in this timer 60, this water purification time can be set according to an initial impurity concentration of this unfiltered water 81, and is high more like this initial impurity concentration; Can set this short water purification time, its preferable setting is between 10 to 60 minutes.
Step S2: carry out water purification, this leading portion filtrating area 10 imports this unfiltered water 81 by this water intaking valve 13, and this leading portion filtrating area 10 has several and crosses filter core; In this embodiment; Be one first to cross filter core 11 and one second and cross filter core 12, this unfiltered water 81 first is crossed filter core 11 and this second and is crossed filter core 12 and filter the back and get into this reverse osmosis district 20 via this, and this reverse osmosis district 20 is provided with a reverse osmosis membrane 21; Through increasing the hydraulic pressure of this unfiltered water 81; Make this unfiltered water 81 of a part become a filtered water 82 through this reverse osmosis membrane 21, this filtered water 82 supplies defeated pipeline 72 to get into a clean water area 30 via one second, again through a rearmounted filter core 31 of crossing set in this clean water area 30; Become a water purification 83; 81 of this unfiltered waters through this reverse osmosis membrane 21 do not pass through this circulation line 40 these leading portion filtrating areas 10 of backflow, and in other words, this unfiltered water 81 that contains high impurity concentration will be through this circulation line 40.
Step S3b: judgement time carries out draining; This timer 60 judges whether this unfiltered water 81 reaches this water purification time by the time that this water-in 14 gets into this leading portion filtrating area 10, if reach this water purification time, this timer 60 is promptly opened this bleed valve 41 to carry out draining; This bleed valve 41 can be ordered certainly and open a water discharge time; Like this water discharge time is between 10 to 60 seconds, and this bleed valve 41 can open and close according to this water discharge time of setting, with the control water displacement.
In present embodiment; When using, this this reverse osmosis membrane 21 of timer 60 detectings surpasses this water purification time; This bleed valve 41 that this timer 60 will be controlled on this circulation line 40 is opened; So that remaining impurities on this reverse osmosis membrane 21 is removed, and discharge, with this unfiltered water 81 of getting rid of high impurity concentration simultaneously and reach the purpose of cleaning this reverse osmosis membrane 21 via this bleed valve 41.
Thus, its total dissolved solids of the water of this leading portion filtrating area 10 can not rise because of the circulation water purification that continues always, and the situation that impurity blocks this reverse osmosis membrane 21 in a large number takes place; And can and repeat the start of draining, water inlet along with the time, and fluctuate up and down in a tolerable limit, the work-ing life of this reverse osmosis membrane 21 increased; In this embodiment; Then be to be 30 minutes, and each draining 20 seconds was an example, therefore to set this water purification time; After every water inlet 30 clocks of this reverse osmosis purifier carry out the water purification operation, promptly can draining 20 seconds.Need to prove that the setting of above-mentioned water purification time, and the setting of water discharge time all can be carried out a suitable adjustment according to the initial impurity concentration of this unfiltered water 81 and actual behaviour in service.
In addition, see also shown in " Fig. 5 ", be the process step synoptic diagram of third embodiment of the invention, in this embodiment,, be applied on the same reverse osmosis purifier for merging the method for aforementioned first embodiment and second embodiment.
In sum, because the present invention is through two kinds of patterns of this detector and the monitoring of this timer, during this reverse osmosis purifier carries out water purifying; Reach the draining mechanism that sets in this unfiltered water that refluxes, just can carry out the action of draining, otherwise this unfiltered water is back to this leading portion filtrating area; Make that water can circulating filtration; Reduce the waste of water resources, solve existing reverse osmosis drinking device water purification and promptly produce the problem that great amount of wastewater is discharged, in addition; More impurity discharging mode collocation time control discharging mode is used, reach the work-ing life that prolongs this reverse osmosis membrane.
Below the present invention is done a detailed description, only the above person is merely a preferred embodiment of the present invention, when not limiting the scope that the present invention implements.Be that all equalizations of doing according to application range of the present invention change and modify etc., all should still belong in the patent covering scope of the present invention.
Claims (8)
1. reverse osmosis process for purifying water; Be used for a reverse osmosis purifier; Said reverse osmosis purifier comprise one receive a unfiltered water (81) leading portion filtrating area (10), supply defeated pipeline (71) and circulation line (40) and that the reverse osmosis district (20), that is communicated with said leading portion filtrating area (10) supplies unfiltered water (81) in the said reverse osmosis district (20) to be back to said leading portion filtrating area (10) is detected the detector (50) of the impurity concentration of the interior unfiltered water (81) of said circulation line (40) through one first; It is characterized in that said reverse osmosis process for purifying water includes following steps:
Set a draining threshold numerical value in said detector (50);
Increase the hydraulic pressure of said unfiltered water (81); A part that makes said unfiltered water (81) obtains a filtered water (82) through the reverse osmosis membrane (21) be located in the said reverse osmosis district (20), and another part is stopped by said reverse osmosis membrane (21) and is back to said leading portion filtrating area (10) through said circulation line (40); And
Said detector (50) is opened the bleed valve (41) that joins with said circulation line (40) to discharge said unfiltered water (81) after the impurity concentration that detecting flow to the unfiltered water (81) of said leading portion filtrating area (10) from said reverse osmosis district (20) is higher than said draining threshold numerical value.
2. reverse osmosis process for purifying water according to claim 1 is characterized in that, said bleed valve (41) cuts out behind the water discharge time between 10 to 60 seconds in opening one.
3. reverse osmosis process for purifying water according to claim 1 is characterized in that, an initial impurity concentration of the said said unfiltered water of draining threshold numerical basis (81) is set.
4. reverse osmosis process for purifying water according to claim 1 is characterized in that, said detector (50) is a total dissolved solids of the said unfiltered water of detecting (81).
5. reverse osmosis process for purifying water; Be used for a reverse osmosis purifier; Said reverse osmosis purifier comprise one receive a unfiltered water (81) by a water-in (14) leading portion filtrating area (10), supply defeated pipeline (71) and the reverse osmosis district (20), that is communicated with said leading portion filtrating area (10) supplies unfiltered water (81) in the said reverse osmosis district (20) to be back to circulation line (40) and the said unfiltered water of measurement (81) of said leading portion filtrating area (10) timer (60) by the time of said water-in (14) the said leading portion filtrating area of entering (10) through one first; It is characterized in that said reverse osmosis process for purifying water includes following steps:
Said timer (60) is set the water purification time;
Increase the hydraulic pressure of said unfiltered water (81); A part that makes said unfiltered water (81) obtains a filtered water (82) through the reverse osmosis membrane (21) be located in the said reverse osmosis district (20), and another part is stopped by said reverse osmosis membrane (21) and is back to said leading portion filtrating area (10) through said circulation line (40); And
Said timer (60) is in judging that said unfiltered water (81) reaches said water purification after the time by the time that said water-in (14) gets into said leading portion filtrating area (10), open one with
The bleed valve (41) that said circulation line (40) joins is to discharge said unfiltered water (81).
6. reverse osmosis process for purifying water according to claim 5 is characterized in that, the said water purification time is for setting according to an initial impurity concentration of said unfiltered water (81).
7. reverse osmosis process for purifying water according to claim 5 is characterized in that, the said water purification time is between 10 to 60 minutes.
8. reverse osmosis process for purifying water according to claim 5 is characterized in that, said bleed valve (41) cuts out behind the water discharge time between 10 to 60 seconds in opening one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100982675A CN102745774A (en) | 2011-04-19 | 2011-04-19 | Reverse osmosis water-purification method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100982675A CN102745774A (en) | 2011-04-19 | 2011-04-19 | Reverse osmosis water-purification method |
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| CN102745774A true CN102745774A (en) | 2012-10-24 |
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| CN2011100982675A Pending CN102745774A (en) | 2011-04-19 | 2011-04-19 | Reverse osmosis water-purification method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809524A (en) * | 2017-11-21 | 2019-05-28 | 贺康科技有限公司 | The intelligent process for purifying water of reverse osmosis water purifying device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529649Y (en) * | 2002-02-01 | 2003-01-08 | 北京康德威医疗设备有限公司 | Water saving and electricity saving appts. for intelligent water treatment system |
| JP2006281174A (en) * | 2005-04-05 | 2006-10-19 | Matsushita Electric Ind Co Ltd | Method, apparatus and system for recycling wastewater |
-
2011
- 2011-04-19 CN CN2011100982675A patent/CN102745774A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529649Y (en) * | 2002-02-01 | 2003-01-08 | 北京康德威医疗设备有限公司 | Water saving and electricity saving appts. for intelligent water treatment system |
| JP2006281174A (en) * | 2005-04-05 | 2006-10-19 | Matsushita Electric Ind Co Ltd | Method, apparatus and system for recycling wastewater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809524A (en) * | 2017-11-21 | 2019-05-28 | 贺康科技有限公司 | The intelligent process for purifying water of reverse osmosis water purifying device |
| CN109809524B (en) * | 2017-11-21 | 2022-04-26 | 贺康科技有限公司 | Intelligent water purification method of reverse osmosis water purification device |
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Application publication date: 20121024 |