CN103420450B - Double membrane mutual flushing type double water outlet reverse osmosis water purifier - Google Patents

Double membrane mutual flushing type double water outlet reverse osmosis water purifier Download PDF

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CN103420450B
CN103420450B CN201310377843.9A CN201310377843A CN103420450B CN 103420450 B CN103420450 B CN 103420450B CN 201310377843 A CN201310377843 A CN 201310377843A CN 103420450 B CN103420450 B CN 103420450B
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water
reverse osmosis
pipeline
water outlet
purifier
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CN103420450A (en
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黄少林
汤锦荣
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GUANGZHOU YUEHUO ENVIRONMENTAL SCIENCE AND TECHNOLOGY Co Ltd
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GUANGZHOU YUEHUO ENVIRONMENTAL SCIENCE AND TECHNOLOGY Co Ltd
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Abstract

The invention provides a double membrane mutual flushing type double water outlet reverse osmosis water purifier which comprises a reverse osmosis water processing system. The reverse osmosis water processing system sequentially comprises a water inlet, a preprocessing component, a reverse osmosis membrane, a purified water outlet, an ultrafiltration water outlet and a concentrated water outlet. A waste water combination valve is arranged at the end of the concentrated water outlet. The double membrane mutual flushing type double water outlet reverse osmosis water purifier is characterized in that the rear end of the reverse osmosis membrane is divided into a first pipeline and a second pipeline, the first pipeline is connected to the purified water outlet, and the second pipeline is connected with an ultrafiltration membrane; the rear end of the ultrafiltration membrane is divided into a third pipeline and a fourth pipeline, the third pipeline is connected with the ultrafiltration water outlet, and the fourth pipeline is connected with the concentrated water outlet. When ultrafiltration water and purified water are used in the water purifier respectively, the reverse osmosis membrane and the ultrafiltration membrane can be alternately mutually flushed, the service life of the two membranes are obviously prolonged, the performance cost ratio is high, and cost of users for using the double water outlet reverse osmosis water purifier is greatly reduced.

Description

The two water outlet reverse osmosis water purifier of a kind of two mutual wash type of film
Technical field
The present invention relates to water purifier, particularly the two water outlet reverse osmosis water purifier of a kind of two mutual wash type of film, belongs to the improvement opportunity of existing pair of water outlet reverse osmosis water purifier.
Background technology
At present along with the raising of people's living standard, the purity requirements of drinking water is also improved constantly, and water pollutions constantly aggravates, water purifier progressively enters the family of ordinary citizen, wherein reverse osmosis water purifier is as the highest product of a kind of filtering precision, because its water purification is effective, moderate, the parent being subject to users looks at, and reverse osmosis water purifier has become the first-selection of safty of drinking water.But family is except daily drinking-water, washing and culinary art water also occupies very large proportion, as all adopted reverse-osmosis pure water, use cost will be very high (because of reverse osmosis membrane, namely RO membrane lifetime can significantly shorten, and its replacing price is very expensive), simultaneously, because the aquifer yield of RO film is usually less, be also difficult to meet washing requirement, adopt if continue the running water existing and pollute, more inadvisable.Therefore, the ultrafiltration water that use flux is larger, water quality is safer relative to running water, as washing and culinary art water, is very wise selection.People devise two discharging type reverse osmosis water purifier for this reason.
The two discharging type reverse osmosis water purifiers existed in the market are broadly divided into two types.
Be directly directly draw as a two water outlet by the water after pretreatment system simple filtration preposition for reverse osmosis membrane, this water is because failing thoroughly to remove the harmful substances such as bacterium in water, iron rust, colloid, and water quality is also dangerous.Shown in Fig. 1 is exactly the reverse osmosis water purifier of a kind of pair of discharging type like this, as shown in Figure 1, during its work, running water directly enters the first preprocessing filter element 1, second preprocessing filter element 3 successively and the 3rd preprocessing filter element 4 processes, after process, the moisture of output becomes two-way: a road directly flows to two depotition cock, for washing and culinary art, this part water is because failing thoroughly to remove the harmful substances such as bacterium in water, iron rust, colloid, and water quality is also dangerous; Another road, after booster pump 2 supercharging, is then filtered through reverse osmosis membrane 5 further, after filtration, is further divided into two-way, and a road just becomes pure water after filtration through rearmounted filter core and flows to two depotition cock, for directly drinking; Another road is condensed water and discharges through waste water combination valve 7.
Another kind of similar to the above-mentioned type, difference in the pretreatment system that reverse osmosis membrane is preposition, arranges milipore filter to water purification degree after improving pretreatment, then wherein will directly flow to two depotition cock by a part of water, for washing with cook.Fig. 2 illustrates to be exactly the reverse osmosis water purifier of a kind of pair of discharging type like this, as shown in Figure 2, during its work, running water directly enters the first preprocessing filter element 1, second preprocessing filter element 3 successively and milipore filter 41 processes, after process, the moisture of output becomes two-way: a road directly flows to two depotition cock, for washing and culinary art; Another road, after booster pump 2 supercharging, is then filtered through reverse osmosis membrane 5 further, after filtration, is further divided into two-way, and a road just becomes pure water after filtration through rearmounted filter core and flows to two depotition cock, for directly drinking; Another road is condensed water and discharges through waste water combination valve 7.In this water purifier; described milipore filter 41 is in washing culinary art and directly drink two kinds with all participating under water state filtering; and there is no automatic flushing device; the life-span of milipore filter 41 will significantly shorten, and after its blocking, reverse osmosis membrane system is also by influenced; aquifer yield reduces; system operation time significantly will increase and even occur not machine halt trouble, and then shorten reverse osmosis membrane system as the service life of a series of components and parts such as film, pump, valve, high-voltage switch gear, the use cost of adding users greatly.
Summary of the invention
The object of this invention is to provide a kind of life-span that significantly can extend reverse osmosis membrane and milipore filter, the two water outlet reverse osmosis water purifier of the mutual wash type of two films that cost performance is high, to reduce the cost that user uses two water outlet reverse osmosis water purifier.
The technical scheme realizing the object of the invention is, the two water outlet reverse osmosis water purifier of a kind of two mutual wash type of film, comprise reverse osmosis water treatment system, described reverse osmosis water treatment system comprises water inlet successively, pretreatment component, reverse osmosis membrane, pure water and ultrafiltration water out and condensed water outlet, waste water combination valve is provided with at the described condensed water port of export, it is characterized in that, the rear end of described reverse osmosis membrane is divided into the first pipeline and the second pipeline, described first pipeline is connected to pure water outlet, second pipeline is connected with milipore filter, the rear end of described milipore filter is divided into the 3rd pipeline and the 4th pipeline, described 3rd pipeline is connected with ultrafiltration water out, 4th pipeline exports with condensed water and is connected.
Above-mentioned pretreatment component comprises the first preprocessing filter element, the second preprocessing filter element and the 3rd preprocessing filter element that are cascaded, between described first preprocessing filter element and the second preprocessing filter element, be provided with booster pump.
First pipeline of above-mentioned reverse osmosis membrane rear end is also provided with check valve, high-voltage switch gear and rearmounted filter core.
Above-mentioned waste water combination valve is arranged on the 4th described pipeline, between described waste water combination valve and condensed water export, be also connected with magnetic valve.
Above-mentioned waste water combination valve is waste water and scouring electromagnetic valve, wherein has the two ends of the direct communicating valve of the aperture of an effluent; Or being with the waste water ratio of capillary pipe structure to be formed in parallel by a general solenoid valve and one, described waste water ratio and the external world are directly communicated with waste discharge.
Above-mentioned pure water outlet and ultrafiltration water out are connected to same pair of depotition cock.
When the present invention uses, when using ultrafiltration water, counter-infiltration system does not start, i.e. described supercharging air pump inoperative, magnetic valve and the waste water combination valve of concentrated water end (W.E.) are all closed, and running water, after preprocessing filter element, enters the film surface rinsing reverse osmosis membrane in reverse osmosis membrane, then after ultrafiltration membrance filter, form ultrafiltration water export use through the 3rd pipeline, achieve the flushing to reverse osmosis membrane simultaneously; When using pure water, reverse osmosis membrane system starts, namely described booster pump starts, the magnetic valve of concentrated water end (W.E.) is opened, waste water combination valve is opened when rinsing, reverse osmosis membrane condensed water and flushing water flow through ultrafiltration membrane surface, realize the flushing to milipore filter, and the waste water combination valve then in the 4th pipeline and magnetic valve are discharged.
The invention has the beneficial effects as follows, in reverse osmosis water purifier, add the milipore filter with three ports, its water inlet
Mouth is connected with reverse osmosis membrane condensed water floss hole, and delivery port is connected with two depotition cock, and rinse mouth is connected with floss hole after waste water combination valve and water break solenoid valve.Thus realize when using ultrafiltration water and pure water respectively, reverse osmosis membrane and milipore filter can rinse mutually in turn, and obviously extend the service life of two films, cost performance is high, greatly reduce the cost that user uses two water outlet reverse osmosis water purifier.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of pair of water outlet reverse osmosis water purifier.
Fig. 2 is the structural representation of the two water outlet reverse osmosis water purifier of existing another kind.
Fig. 3 is block diagram of the present invention.
Fig. 4 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.
As shown in Figure 3, Figure 4, the present embodiment is the two water outlet reverse osmosis water purifier of a kind of two mutual wash type of film, comprise reverse osmosis water treatment system, described reverse osmosis water treatment system comprises water inlet 8, pretreatment component 9, reverse osmosis membrane 5, pure water outlet 10, ultrafiltration water out 15 and condensed water outlet 11 successively, described pretreatment component 9 comprises the first preprocessing filter element 1, second preprocessing filter element 3 and the 3rd preprocessing filter element 4 that are cascaded, between described first preprocessing filter element 1 and the second preprocessing filter element 3, be provided with booster pump 2; Export 11 ends in described condensed water and be provided with waste water combination valve 7, described waste water combination valve 7 is waste water and scouring electromagnetic valve, wherein has the two ends of the direct communicating valve of the aperture of an effluent; The rear end of described reverse osmosis membrane 5 is divided into the first pipeline 18 and the second pipeline 19, described first pipeline 18 is connected to pure water outlet 10 through check valve 13, rearmounted filter core 6, second pipeline 19 is connected with milipore filter 17, the rear end of described milipore filter 17 is divided into the 3rd pipeline 20 and the 4th pipeline 21, described 3rd pipeline 20 is connected with ultrafiltration water out 15,4th pipeline 21 and condensed water export 11 and are connected, described waste water combination valve 7 is arranged on the 4th described pipeline 21, between described waste water combination valve 7 and condensed water export 11, be also connected with magnetic valve 12.Above-mentioned pure water outlet 10 and ultrafiltration water out 15 are connected to same pair of depotition cock.
From above-mentioned detailed description of the invention, the milipore filter 17 that above-mentioned second pipeline 19 connects has three connectors, and what concentrate that water end (W.E.) is connected with reverse osmosis membrane 5 is water inlet, and what be connected with two depotition cock is water purification mouth, and exporting 11 with condensed water, what be connected is rinse mouth.
When the present invention uses, when using ultrafiltration water, counter-infiltration system does not start, namely described booster pump 2 does not work, magnetic valve 12 and the waste water combination valve 7 of concentrated water end (W.E.) are all closed, and running water, after pretreatment component 9 pre-filtering, enters the film surface rinsing reverse osmosis membrane 5 in reverse osmosis membrane 5, then after milipore filter 17 filters, form ultrafiltration water export use through the 3rd pipeline 20, achieve the flushing to reverse osmosis membrane 5 simultaneously; When using pure water, reverse osmosis membrane system starts, namely described booster pump 2 starts, the magnetic valve 12 of concentrated water end (W.E.) is opened, waste water combination valve 7 is opened when rinsing, the condensed water of reverse osmosis membrane 5 and flushing water flow through milipore filter 17 surface, and realize the flushing to milipore filter 17, the waste water combination valve 7 then in the 4th pipeline 21 and magnetic valve 12 are discharged.
As can be seen from operation principle of the present invention and the course of work, have three owing to adding in reverse osmosis water purifier
The milipore filter 17 of port, its water inlet is connected with reverse osmosis membrane condensed water floss hole, and delivery port is connected with two depotition cock, and rinse mouth is connected with floss hole 11 after waste water combination valve 7 and water break solenoid valve 12.Thus realize when using ultrafiltration water and pure water respectively, reverse osmosis membrane 5 and milipore filter 17 can rinse mutually in turn, and obviously extend the service life of two films, cost performance is high, greatly reduce the cost that user uses two water outlet reverse osmosis water purifier.

Claims (6)

1. the two water outlet reverse osmosis water purifier of two mutual wash type of film, comprise reverse osmosis water treatment system, described reverse osmosis water treatment system comprises water inlet successively, pretreatment component, reverse osmosis membrane, pure water and ultrafiltration water out and condensed water outlet, waste water combination valve is provided with at the described condensed water port of export, it is characterized in that, the rear end of described reverse osmosis membrane is arranged with the first pipeline and the second pipeline, described first pipeline is connected to pure water outlet, second pipeline is connected with milipore filter, the rear end of described milipore filter is arranged with the 3rd pipeline and the 4th pipeline, described 3rd pipeline is connected with ultrafiltration water out, 4th pipeline exports with condensed water and is connected.
2. the according to claim 1 pair of two water outlet reverse osmosis water purifier of the mutual wash type of film, it is characterized in that, described pretreatment component comprises the first preprocessing filter element, the second preprocessing filter element and the 3rd preprocessing filter element that are cascaded, between described first preprocessing filter element and the second preprocessing filter element, be provided with booster pump.
3. the according to claim 1 and 2 pair of two water outlet reverse osmosis water purifier of the mutual wash type of film, is characterized in that, the first pipeline of described reverse osmosis membrane rear end is also provided with check valve, high-voltage switch gear and rearmounted filter core.
4. the according to claim 3 pair of two water outlet reverse osmosis water purifier of the mutual wash type of film, it is characterized in that, described waste water combination valve is arranged on the 4th described pipeline, between described waste water combination valve and condensed water export, be also connected with magnetic valve.
5. the two water outlet reverse osmosis water purifier of the mutual wash type of two films according to claim 1 or 4, it is characterized in that, described waste water combination valve is waste water and scouring electromagnetic valve, wherein has the two ends of the direct communicating valve of the aperture of an effluent; Or being with the waste water ratio of capillary pipe structure to be formed in parallel by a general solenoid valve and one, described waste water ratio and the external world are directly communicated with waste discharge.
6. the according to claim 1 pair of two water outlet reverse osmosis water purifier of the mutual wash type of film, is characterized in that, above-mentioned pure water outlet and ultrafiltration water out are connected to same pair of depotition cock.
CN201310377843.9A 2013-08-27 2013-08-27 Double membrane mutual flushing type double water outlet reverse osmosis water purifier Active CN103420450B (en)

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CN105129915B (en) * 2015-07-21 2019-01-15 九牧厨卫股份有限公司 A kind of water purification machine and its method for improving water quality when turning back on

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Publication number Priority date Publication date Assignee Title
CN2910907Y (en) * 2006-06-30 2007-06-13 上海理日科技发展有限公司 Water treatment equipment able to recover total concentration water
CN201746404U (en) * 2010-08-06 2011-02-16 邓飞 One-to-one intelligent water saving device
CN201942576U (en) * 2010-12-13 2011-08-24 余泽嗣 Long-term reverse osmosis (RO) water purifier system
KR20130011174A (en) * 2011-07-20 2013-01-30 (주)해동테크놀로지 The recycling system by the reverse osmosis system in purified water generation system of concentrates wastewater
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