CN105906081A - Reverse osmosis water purifying machine and flushing method of reverse osmosis filter core of reverse osmosis water purifying machine - Google Patents

Reverse osmosis water purifying machine and flushing method of reverse osmosis filter core of reverse osmosis water purifying machine Download PDF

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Publication number
CN105906081A
CN105906081A CN201610301709.4A CN201610301709A CN105906081A CN 105906081 A CN105906081 A CN 105906081A CN 201610301709 A CN201610301709 A CN 201610301709A CN 105906081 A CN105906081 A CN 105906081A
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water
reverse osmosis
switch valve
filter element
flow switch
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CN201610301709.4A
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CN105906081B (en
Inventor
陈小平
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Foshan Viomi Electrical Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a reverse osmosis water purifying machine and a flushing method of a reverse osmosis filter core of the reverse osmosis water purifying machine. The reverse osmosis water purifying machine comprises a filtering part, a water purifying part, a concentration water part, a reverse osmosis filter core and an electric control device, wherein the filtering part is output in two paths through the reverse osmosis filter core; one path is output to the pure water part; the other path is output to the concentration water part; the filtering part is provided with a pressure regulating device and a water pressure sensor; a water flow switch valve is arranged on the concentration water part; the electric control device is respectively and electrically connected with the pressure regulating device, the water pressure sensor and the water flow switch valve The reverse osmosis water purifying machine has the advantages that the electric control device detects the water pressure condition of the filtering part according to the water pressure sensor; the reverse osmosis filter core is automatically flushed through controlling the pressure regulating device and the water flow switch valve; the pressure regulating device can automatically regulate the water flow water pressure, so that when the sufficient water flow water pressure is ensured for performing flushing on the reverse osmosis filter core, the salt content of the surface of the filter core film can be reduced in the short flushing time; the curing salt attached onto the surface of the film can be easily flushed away; therefore the reverse osmosis water purifying machine has the advantages that the water resources are saved; the flushing effect is greatly improved.

Description

A kind of reverse osmosis water purifier and the purging method of reverse osmosis filter element thereof
Technical field
The present invention relates to water purifier technical field, a kind of reverse osmosis water purifier and the purging method of reverse osmosis filter element thereof.
Background technology
In recent years, water purification product is increasingly paid close attention to by consumer as health-oriented products, and water purification industry develops at high speed the most therewith;Especially reverse osmosis water purifier is the main flow of domestic household water-purifying machine, in order to ensure the service life of reverse osmosis filter element, in use, it is necessary to ceaselessly reverse osmosis filter element film surface is rinsed, to reduce the salinity on reverse osmosis filter element film surface, slow down the blocking that film surface scale causes.
As shown in Figure 1, the example rinsed for existing a kind of water purifier reverse osmosis filter element, it includes filtration fraction A, pure water part B, condensed water part C, reverse osmosis filter element 104 and electric control gear D, described filtration fraction A is exported by 104 points of two-way of reverse osmosis filter element, one tunnel exports to pure water part B, another road exports to condensed water part C, wherein, filtration fraction A is provided with preposition process filter element 101, entering water electromagnetic valve 102 and booster pump 103, pure water part B is provided with postpositive disposal filter element 105, condensed water part C is provided with waste water ratio electromagnetic valve 105 etc., wherein, described waste water ratio electromagnetic valve 105 has a leaking hole, when controlling the water circulation, waste water ratio electromagnetic valve 105 is closed, condensed water can only flow out from the leaking hole of waste water ratio electromagnetic valve 105, reach the effect of current limliting supercharging;When needs rinse, waste water ratio electromagnetic valve 105 fully opens, and has cancelled pressure during controlling the water circulation, makes mass-flow all flow out from Wastewater by Electric magnet valve, reaches to rinse the purpose on reverse osmosis membrane surface.
But, the flushing scheme of above-mentioned traditional reverse osmosis filter element, still suffering from following weak point: owing to outlet is the most unlimited, do not set up big hydraulic pressure, current are the most slow, when reverse osmosis filter element is rinsed by such current, needing the washing time grown could reduce the salinity on filter element film surface very much, the solidification salt being attached to film surface is also not easy to wash away, therefore, this flushing scheme not only wastes water source, and developing result is very bad.
Summary of the invention
It is an object of the invention to overcome all deficiencies existing for above-mentioned existing reverse osmosis water purifier, and provide one can save water source, be substantially improved again the reverse osmosis water purifier of developing result.
Another object of the present invention is also resided in offer one and is rinsed by supercharging, shortens washing time, and improves the purging method of the water purifier reverse osmosis filter element of the impulsive force of flushing water.
The object of the present invention is achieved like this:
nullA kind of reverse osmosis water purifier,Including filtration fraction、Pure water part、Condensed water part、Reverse osmosis filter element and electric control gear,Described filtration fraction divides two-way to export by reverse osmosis filter element,One tunnel exports to pure water part,Another road exports to condensed water part,It is characterized in that,Described filtration fraction is provided with regulator and water pressure sensor,Water flow switch valve it is provided with in condensed water part,Electric control gear respectively with regulator、Water pressure sensor and water flow switch valve are electrically connected with,This kind of reverse osmosis water purifier,Electric control gear is according to the water pressure situation of water pressure sensor detection filtration fraction,Reverse osmosis filter element auto-flushing is made by controlling regulator and water flow switch valve,Owing to regulator can adjust current hydraulic pressure automatically,So,Ensure when reverse osmosis filter element is rinsed by enough current hydraulic pressure,Available shorter washing time just can reduce the salinity on filter element film surface,The solidification salt being attached to film surface is the most easily flushed away,Therefore,This reverse osmosis water purifier,Both water source had been saved,It is substantially improved again developing result.
The present invention can also use technical measures further below:
As more specifically scheme, described reverse osmosis filter element includes filtration fraction interface, pure water part of interface and condensed water part of interface, and each interface is connected respectively filtration fraction, pure water part and condensed water part;Wherein, filtration fraction, by water inlet direction, is successively provided with the filtration fraction interface of regulator, water pressure sensor and reverse osmosis filter element, and water pressure sensor can detect the water pressure situation of regulator output in real time.
As more specifically scheme, described filtration fraction is provided with preposition preprocessing filter element near water inlet position, and filtration fraction is by water inlet direction, before preposition preprocessing filter element is positioned at regulator, say, that water inlet water source first passes through preposition preprocessing filter element and filters.
As more specifically scheme, described regulator is booster pump.
Further, described pure water part is additionally provided with rearmounted filter element, so that the pure water that reverse osmosis filter element is out, can pass through rearmounted filter element filtering further.
Further, described water flow switch valve is provided with leaking hole.
Further, described water flow switch valve is the water flow switch that can close and open condensed water part.
Further, described water flow switch valve is discharge Adjustable switch valve body.
It is another object of the present invention to be achieved in that:
A kind of auto-flushing method of reverse osmosis water purifier, is characterized in that, comprise the steps:
Step one, during controlling the water circulation, condensed water flows out from water flow switch valve;
Step 2, when needs rinse reverse osmosis filter element, electric control gear detects the water pressure situation of filtration fraction according to water pressure sensor, makes regulator startup work, and controls water flow switch valve closing, makes to set up inside reverse osmosis filter element certain water pressure;
Step 3, after elapsed time t1, electric control gear controls water flow switch valve and fully opens, and makes the water pressure abrupt release within reverse osmosis filter element;
Step 4, after water pressure sensor detects that water pressure brings up to P1, electric control gear controls water flow switch valve and fully opens, and makes the water pressure abrupt release within reverse osmosis filter element;
Step 5, after elapsed time t2, electric control gear controls water flow switch valve closing, again makes to set up inside reverse osmosis filter element certain water pressure;
Step 6, after water pressure sensor detects that water pressure is reduced to P2, controls water flow switch valve closing, again makes to set up inside reverse osmosis filter element certain water pressure;
Step 7, returns to above-mentioned steps three or step 4;
After step 8, above-mentioned steps three to step 6, or step 4 perform n times to step 6 circulation, flushing terminates, and electric control gear controls regulator and stops.
Further, in described step one, condensed water can flow out from the leaking hole open in usual of water flow switch valve, or water flow switch valve regulated makes condensed water flow out to the water yield of suitable size.
Beneficial effects of the present invention is as follows:
(1) this kind of reverse osmosis water purifier, electric control gear is according to the water pressure situation of water pressure sensor detection filtration fraction, reverse osmosis filter element auto-flushing is made by controlling regulator and water flow switch valve, owing to regulator can adjust current hydraulic pressure automatically, so, ensure when reverse osmosis filter element is rinsed by enough current hydraulic pressure, available shorter washing time just can reduce the salinity on filter element film surface, the solidification salt being attached to film surface is the most easily flushed away, therefore, this reverse osmosis water purifier, had both saved water source, had been substantially improved again developing result.
(2) further, the auto-flushing method of this reverse osmosis water purifier, rinsed by supercharging, shorten washing time, and improve the impulsive force of flushing water.
Accompanying drawing explanation
Fig. 1 is the principle schematic of prior art reverse osmosis water purifier.
Fig. 2 is the principle schematic of reverse osmosis water purifier of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
As shown in Figure 2, a kind of reverse osmosis water purifier, including filtration fraction 1, pure water part 2, condensed water part 3, reverse osmosis filter element 4 and electric control gear 5, described filtration fraction 1 is exported by 4 points of two-way of reverse osmosis filter element, one tunnel exports to pure water part 2, another road exports to condensed water part 3, it is characterized in that, described filter house sets up 1 separately and is equipped with regulator 6 and water pressure sensor 7, water flow switch valve 8 it is provided with in condensed water part 3, electric control gear 5 respectively with regulator 6, water pressure sensor 7 and water flow switch valve 8 are electrically connected with, electric control gear 5 detects the water pressure situation of filtration fraction 1 according to water pressure sensor 7, reverse osmosis filter element 4 auto-flushing is made by controlling regulator 6 and water flow switch valve 8.
Above-mentioned reverse osmosis filter element 4 includes filtration fraction interface 41, pure water part of interface 42 and condensed water part of interface 43, and each interface is connected respectively filtration fraction 1, pure water part 2 and condensed water part 3;Wherein, filtration fraction 1, by water inlet direction, is successively provided with the filtration fraction interface 41 of regulator 6, water pressure sensor 7 and reverse osmosis filter element 4.
Wherein, described filtration fraction 1 is provided with preposition preprocessing filter element 10 near water inlet 9 position, and filtration fraction 1 is by water inlet direction, and before preposition preprocessing filter element 10 is positioned at regulator 6, and regulator 6 is booster pump.
Further, described pure water part 2 is additionally provided with rearmounted filter element 11;And it is provided with leaking hole on described water flow switch valve 8.
Further, described water flow switch valve 8 is the water flow switch that can close and open condensed water part.
Described water flow switch valve 8 is discharge Adjustable switch valve body.
A kind of auto-flushing method of reverse osmosis water purifier, is characterized in that, comprise the steps:
Step one, during controlling the water circulation, condensed water flows out from water flow switch valve 8;
Step 2, when needs rinse reverse osmosis filter element 4, electric control gear 5 detects the water pressure situation of filtration fraction 1 according to water pressure sensor 7, makes regulator 6 start work, and control water flow switch valve 8 and close, make that reverse osmosis filter element 4 is internal sets up certain water pressure;
Step 3, after elapsed time t1, electric control gear 5 controls water flow switch valve 8 and fully opens, and makes the water pressure abrupt release within reverse osmosis filter element 4;
Step 4, after water pressure sensor 7 detects that water pressure brings up to P1, electric control gear 5 controls water flow switch valve 8 and fully opens, and makes the water pressure abrupt release within reverse osmosis filter element 4;
Step 5, after elapsed time t2, electric control gear 5 controls water flow switch valve 8 and cuts out, and again makes reverse osmosis filter element 4 inside set up certain water pressure;
Step 6, after water pressure sensor 7 detects that water pressure is reduced to P2, controls water flow switch valve 8 and closes, and again makes reverse osmosis filter element 4 inside set up certain water pressure;
Step 7, returns to above-mentioned steps three or step 4;
After step 8, above-mentioned steps three to step 6, or step 4 perform n times to step 6 circulation, flushing terminates, and electric control gear 5 controls regulator 6 and stops.
In described step one, condensed water can flow out from the leaking hole of water flow switch valve 8, or water flow switch valve 8 is adjusted to the water yield of suitable size and makes condensed water flow out.
The form structure of the water flow switch valve of the present invention can have multiple choices;The present invention is by improving flushing water flowing pressure and the method for flow velocity, and the method improving hydraulic pressure is also not limited to a kind of booster pump, and raising process can pass through time delay, it is possible to improves Stress control by detection.

Claims (10)

  1. null1. a reverse osmosis water purifier,Including filtration fraction (1)、Pure water part (2)、Condensed water part (3)、Reverse osmosis filter element (4) and electric control gear (5),Described filtration fraction (1) is exported by reverse osmosis filter element (4) point two-way,One tunnel exports to pure water part (2),Another road exports to condensed water part (3),It is characterized in that,Described filtration fraction (1) is provided with regulator (6) and water pressure sensor (7),Water flow switch valve (8) it is provided with in condensed water part (3),Electric control gear (5) respectively with regulator (6)、Water pressure sensor (7) and water flow switch valve (8) are electrically connected with,Electric control gear (5) is according to the water pressure situation of water pressure sensor (7) detection filtration fraction (1),Reverse osmosis filter element (4) auto-flushing is made by controlling regulator (6) and water flow switch valve (8).
  2. Reverse osmosis water purifier the most according to claim 1, it is characterized in that, described reverse osmosis filter element (4) includes filtration fraction interface (41), pure water part of interface (42) and condensed water part of interface (43), and each interface is connected respectively filtration fraction (1), pure water part (2) and condensed water part (3);Wherein, filtration fraction (1), by water inlet direction, is successively provided with the filtration fraction interface (41) of regulator (6), water pressure sensor (7) and reverse osmosis filter element (4).
  3. Reverse osmosis water purifier the most according to claim 2, it is characterized in that, described filtration fraction (1) is provided with preposition preprocessing filter element (0) near water inlet (9) position, and filtration fraction (1) is by water inlet direction, and it is front that preposition preprocessing filter element (10) is positioned at regulator (6).
  4. The most according to claim 1, reverse osmosis water purifier, is characterized in that, described regulator (6) is booster pump.
  5. 5. according to the arbitrary described reverse osmosis water purifier of claim 1-4, it is characterized in that, described pure water part (2) is additionally provided with rearmounted filter element (11).
  6. The most according to claim 1, reverse osmosis water purifier, is characterized in that, described water flow switch valve (8) is provided with leaking hole.
  7. The most according to claim 1, reverse osmosis water purifier, is characterized in that, described water flow switch valve (8) is the water flow switch that can close and open condensed water part.
  8. 8. according to reverse osmosis water purifier described in claim 6 or 7, it is characterized in that, described water flow switch valve (8) is discharge Adjustable switch valve body.
  9. 9. a purging method for reverse osmosis water purifier as claimed in claim 1, is characterized in that, comprises the steps:
    Step one, during controlling the water circulation, condensed water flows out from water flow switch valve (8);
    Step 2, when needs rinse reverse osmosis filter element (4), electric control gear 5 detects the water pressure situation of filtration fraction (1) according to water pressure sensor (7), regulator (6) is made to start work, and control water flow switch valve (8) closedown, make reverse osmosis filter element (4) inside set up certain water pressure;
    Step 3, after elapsed time t1, electric control gear 5 controls water flow switch valve (8) and fully opens, and makes the water pressure abrupt release that reverse osmosis filter element (4) is internal;
    Step 4, after water pressure sensor (7) detects that water pressure brings up to P1, electric control gear (5) controls water flow switch valve (8) and fully opens, and makes the water pressure abrupt release that reverse osmosis filter element (4) is internal;
    Step 5, after elapsed time t2, electric control gear 5 controls water flow switch valve (8) and cuts out, and again makes reverse osmosis filter element (4) inside set up certain water pressure;
    Step 6, after water pressure sensor (7) detects that water pressure is reduced to P2, controls water flow switch valve (8) and closes, and again makes reverse osmosis filter element (4) inside set up certain water pressure;
    Step 7, returns to above-mentioned steps three or step 4;
    After step 8, above-mentioned steps three to step 6, or step 4 perform n times to step 6 circulation, flushing terminates, and electric control gear (5) controls regulator (6) and stops.
  10. The purging method of reverse osmosis water purifier the most according to claim 9, it is characterized in that, in described step one, condensed water can flow out from the leaking hole of water flow switch valve (8), or water flow switch valve (8) is adjusted to the water yield of suitable size and makes condensed water flow out.
CN201610301709.4A 2016-05-09 2016-05-09 A kind of purging method of reverse osmosis water purifier and its reverse osmosis filter core Active CN105906081B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108558053A (en) * 2018-07-03 2018-09-21 潍坊金亮智能家电有限公司 A kind of water-saving water purifier
CN109592747A (en) * 2019-01-30 2019-04-09 四川悠服科技有限公司 The cleaning method and water purification machine of the reverse osmosis membrane filter element of water purification machine
CN113926230A (en) * 2021-10-29 2022-01-14 珠海格力电器股份有限公司 Flushing control method and control device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202246179U (en) * 2011-09-15 2012-05-30 宁波浪木饮水设备科技有限公司 Water-saving water purifier system
CN203635078U (en) * 2014-01-06 2014-06-11 杨正红 Improved energy-saving reverse osmosis water purifier
CN104891695A (en) * 2015-06-03 2015-09-09 浙江沁园水处理科技有限公司 Water-saving reverse osmosis water purifier
CN205556174U (en) * 2016-05-09 2016-09-07 佛山市云米电器科技有限公司 Reverse osmosis water purifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202246179U (en) * 2011-09-15 2012-05-30 宁波浪木饮水设备科技有限公司 Water-saving water purifier system
CN203635078U (en) * 2014-01-06 2014-06-11 杨正红 Improved energy-saving reverse osmosis water purifier
CN104891695A (en) * 2015-06-03 2015-09-09 浙江沁园水处理科技有限公司 Water-saving reverse osmosis water purifier
CN205556174U (en) * 2016-05-09 2016-09-07 佛山市云米电器科技有限公司 Reverse osmosis water purifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108558053A (en) * 2018-07-03 2018-09-21 潍坊金亮智能家电有限公司 A kind of water-saving water purifier
CN109592747A (en) * 2019-01-30 2019-04-09 四川悠服科技有限公司 The cleaning method and water purification machine of the reverse osmosis membrane filter element of water purification machine
CN113926230A (en) * 2021-10-29 2022-01-14 珠海格力电器股份有限公司 Flushing control method and control device

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