CN109019912A - Water treatment system, water purifier and control method of water treatment system - Google Patents
Water treatment system, water purifier and control method of water treatment system Download PDFInfo
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- CN109019912A CN109019912A CN201810790945.6A CN201810790945A CN109019912A CN 109019912 A CN109019912 A CN 109019912A CN 201810790945 A CN201810790945 A CN 201810790945A CN 109019912 A CN109019912 A CN 109019912A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 274
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 95
- 239000012535 impurity Substances 0.000 claims abstract description 29
- 239000000126 substance Substances 0.000 claims abstract description 19
- 238000001223 reverse osmosis Methods 0.000 claims description 72
- 239000002351 wastewater Substances 0.000 claims description 35
- 238000002203 pretreatment Methods 0.000 claims description 27
- 239000008213 purified water Substances 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 239000012141 concentrate Substances 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 238000003860 storage Methods 0.000 description 19
- 238000005406 washing Methods 0.000 description 6
- 239000003651 drinking water Substances 0.000 description 5
- 235000020188 drinking water Nutrition 0.000 description 5
- 238000007781 pre-processing Methods 0.000 description 4
- 239000011538 cleaning material Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- 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 water treatment system, a water purifier and a control method of the water treatment system. The water treatment system comprises a water treatment unit, wherein the water treatment unit comprises a concentrated water port, the water treatment system further comprises a concentrated water discharge branch connected with the concentrated water port, a control element for controlling the discharge proportion of the concentrated water is arranged on the concentrated water discharge branch, the water treatment system further comprises a cleaning branch, a cleaning unit is arranged on the cleaning branch, and cleaning substances in the cleaning unit can enter the control element through the cleaning branch to dissolve impurities in the control element. According to the water treatment system and the water purifier, cleaning substances in the cleaning unit can enter the control element through the cleaning branch to dissolve impurities on the control element, so that the impurities on the control element are easily washed away by water, the control element is not easily blocked by the impurities, the service life is prolonged, the replacement period is prolonged, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a water treatment system, a water purifier and a control method of the water treatment system.
Background
At present, along with the understanding of people on drinking water health, the water purifier is more and more accepted by people. The direct drinking water purifier in the prior art comprises PP cotton, an active carbon pre-filter element and a reverse osmosis filter element, wherein raw water can generate purified water and waste water after passing through the reverse osmosis filter element, and the waste water is discharged through a waste water outlet of a waste water ratio valve. Above-mentioned waste water in directly drinking water purifier is than the valve and is using the later stage, and waste water is than the waste water export of valve can be blockked up by the active carbon granule ends of broken bits, impurity dirt such as PP face plastic ends, mineral substance molecule, heavy metal ion, calcium carbonate crystal and the microorganism colloid in the waste water to it can't discharge from waste water export to lead to waste water abandons than the valve, simultaneously, works as waste water can't follow when waste water is discharged than the waste water export of valve, can cause the easy scale deposit of diaphragm and the harm of reverse osmosis filter core of crossing of reverse osmosis, waste water than the valve with reverse osmosis filter core's life reduces, and the change cycle shortens, cost increase.
Disclosure of Invention
In view of the above, the present invention provides a water treatment system, a water purifier and a control method of the water treatment system, which can reduce the cost.
In order to achieve the above purpose, in one aspect, the invention adopts the following technical scheme:
a water treatment system comprises a water treatment unit, wherein the water treatment unit comprises a concentrated water port, the water treatment system further comprises a concentrated water discharge branch connected with the concentrated water port, a control element for controlling the discharge proportion of concentrated water is arranged on the concentrated water discharge branch, the water treatment system further comprises a cleaning branch, a cleaning unit is arranged on the cleaning branch, and cleaning substances in the cleaning unit can enter the control element through the cleaning branch to dissolve impurities in the control element.
Preferably, a first control valve and/or a first one-way conducting element is arranged on the cleaning branch, wherein the first one-way conducting element is arranged to only allow the fluid in the cleaning branch to flow to the control element; and/or the presence of a gas in the gas,
and a second control valve and/or a second one-way conduction element are/is arranged on the concentrated water discharge branch, and the second one-way conduction element is arranged to only allow concentrated water discharged from the concentrated water port to flow to the control element.
Preferably, the control element comprises an inlet and an outlet, and the fluid in the cleaning branch and the concentrated water in the concentrated water discharge branch are discharged from the outlet after entering the control element from the inlet; or,
the control element comprises two inlets and an outlet, the fluid in the cleaning branch is discharged from the outlet after entering the control element from one of the inlets, and the concentrated water in the concentrated water discharge branch is discharged from the outlet after entering the control element from the other inlet.
Preferably, the washing branch comprises a water inlet end, water entering the water inlet end being mixed with the cleaning substance in the cleaning unit and flowing towards the control element under the water pressure applied at the water inlet end; or,
and a fluid driving device is arranged on the cleaning branch, and the cleaning substance in the cleaning unit flows to the control element under the action of the fluid driving device.
Preferably, the water treatment unit comprises a reverse osmosis unit, the concentrate inlet is arranged on the reverse osmosis unit, and the water inlet end is connected to a water path of the water treatment system and is positioned on the upstream side of the reverse osmosis unit.
Preferably, the water treatment unit comprises a first pre-treatment unit and a second pre-treatment unit, the water treatment system comprises a first purified water branch, water flowing through the first pre-treatment unit passes through the second pre-treatment unit and then is discharged through the first purified water branch, and the water inlet end of the cleaning branch is arranged between the first pre-treatment unit and the second pre-treatment unit.
Preferably, the water treatment system comprises a reverse osmosis water inlet branch, the reverse osmosis unit is arranged on the reverse osmosis water inlet branch, and the water inlet end of the reverse osmosis water inlet branch is arranged between the first pre-treatment unit and the second pre-treatment unit.
Preferably, the control element comprises a waste water proportional valve, a waste water hole is formed in the waste water proportional valve, and the cleaning branch is used for cleaning the waste water hole.
In order to achieve the above purpose, on the other hand, the invention adopts the following technical scheme:
a water purifier comprises the water treatment system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method for the above water treatment system having a cleaning mode:
the control method comprises the following steps: in the cleaning mode, the cleaning substance in the cleaning unit is controlled to enter the control element through the cleaning branch to dissolve impurities in the control element.
Preferably, the water treatment unit comprises a reverse osmosis unit, the concentrate outlet is arranged on the reverse osmosis unit, the water treatment system further comprises a water production mode and a flushing mode, and the control method comprises the following steps:
controlling the reverse osmosis unit to produce water in the water production mode, and controlling a reverse osmosis membrane of the reverse osmosis unit to be flushed in the flushing mode;
the wash mode is set after the water production mode and before the rinse mode.
The water treatment system and the water purifier are provided with the cleaning branch, the cleaning unit is arranged on the cleaning branch, cleaning substances in the cleaning unit can enter the control element through the cleaning branch to further dissolve impurities on the control element, so that the impurities on the control element are easily washed away by water, the control element is not easily blocked by the impurities, the service life is prolonged, the replacement cycle is prolonged, and the cost is reduced.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a water treatment system according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a water treatment system according to a second embodiment of the present invention;
FIG. 3 is a schematic structural view of a water treatment system according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a water treatment system according to a fourth embodiment of the present invention.
In the figure:
100. a water treatment unit; 110. a post-processing unit; 120. a first pre-processing unit; 130. A second pre-processing unit; 140. a reverse osmosis unit;
200. a concentrated water discharge branch; 210. a second one-way conduction element;
300. a control element;
400. cleaning the branch; 410. a cleaning unit; 420. a first one-way conduction element; 430. a fluid driving device;
500. a first purified water branch; 510. a flow meter;
600. a reverse osmosis water inlet branch; 610. a fourth control valve; 620. a third one-way conduction element; 630. a booster pump;
700. a pure water branch;
800. a purified water storage branch; 810. a water storage part; 811. a pressure vessel; 820. and (6) a pressure switch.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example one
Referring to fig. 1, the water treatment system of the present invention includes a water treatment unit 100, the water treatment unit 100 includes a concentrated water inlet, the water treatment system further includes a concentrated water discharge branch 200 connected to the concentrated water inlet, a control element 300 for controlling a discharge ratio of concentrated water is disposed on the concentrated water discharge branch 200, the water treatment system further includes a cleaning branch 400, a cleaning unit 410 is disposed on the cleaning branch 400, and a cleaning substance in the cleaning unit 410 can enter the control element 300 through the cleaning branch 400 to dissolve impurities in the control element 300, so that the impurities on the control element 300 are easily washed away by water, the control element 300 is not easily blocked by the impurities, the service life is increased, the replacement cycle is increased, and the cost is reduced.
A first one-way conducting element 420 is arranged on the cleaning branch 400, wherein the first one-way conducting element 420 is arranged to allow the fluid in the cleaning branch 400 to flow to the control element 300, and the first one-way conducting element 420 may be a check valve, for example. It is understood that the first one-way communication element 420 may be replaced with a first control valve.
A second one-way conducting element 210 is arranged on the concentrated water discharging branch 200, the second one-way conducting element 210 is arranged to allow the concentrated water discharged from the concentrated water inlet to flow to the control element 300, and the second one-way conducting element 210 can be a check valve, for example. It will be appreciated that the second one-way conductive element 210 may be replaced with a second control valve.
The control element 300 comprises an inlet and an outlet, the fluid in the cleaning branch 400 and the concentrated water in the concentrated water discharge branch 200 are discharged from the outlet after entering the control element 300 from the inlet, when the concentrated water flows through the control element 300, the impurities in the concentrated water can block the control element 300, and the cleaning substances in the fluid in the cleaning branch 400 can dissolve the impurities blocked on the control element 300, so that the impurities blocked on the control element 300 can be easily washed away by the water.
The control element 300 may be, for example, a valve such as a waste water proportional valve, a waste water ratio solenoid valve, etc. which can adjust a discharge ratio of concentrated water, and a waste water hole is formed in the valve such as the waste water proportional valve, the waste water ratio solenoid valve, etc. through which concentrated water generated by the water treatment unit 100 is discharged, and when the concentrated water flows through the waste water hole, impurities doped in the concentrated water block the waste water hole, and the cleaning branch 400 is used for cleaning the waste water hole, that is, cleaning substances in the cleaning unit 410 flow through the waste water hole through the cleaning branch 400 to dissolve the impurities blocked in the waste water hole.
The water treatment unit 100 comprises a first pre-treatment unit 120 and a second pre-treatment unit 130, the first pre-treatment unit 120 comprises an ultrafiltration filter element and a composite filter element, the second pre-treatment unit 130 comprises a PP cotton filter element, the water treatment system comprises a first purified water branch 500, water flowing through the first pre-treatment unit 120 passes through the second pre-treatment unit 130 and then is discharged through the first purified water branch 500, a flow meter 510 is arranged on the first purified water branch 500, and the flow meter 510 is used for marking the service life of the second pre-treatment unit 130.
The water treatment system includes a reverse osmosis water inlet branch 600, the water treatment unit 100 includes a reverse osmosis unit 140, the reverse osmosis unit 140 is disposed on the reverse osmosis water inlet branch 600, a water inlet end of the reverse osmosis water inlet branch 600 is disposed between the first pre-processing unit 120 and the second pre-processing unit 130, the reverse osmosis unit 140 includes a reverse osmosis membrane, and the raw water treated by the first pre-treatment unit 120 is filtered by the reverse osmosis membrane to be changed into pure water and concentrated water, the reverse osmosis unit 140 includes a concentrate port and a pure water port, the water treatment system further includes a pure water branch 700, the pure water branch 700 is communicated with the pure water port, the generated pure water flows through the pure water branch 700 through the pure water port and is discharged, the concentrated water discharge branch 200 is connected with the concentrated water port, and the generated concentrated water flows through the concentrated water discharge branch 200 through the concentrated water port and is discharged.
The water treatment unit 100 further comprises a post-treatment unit 110, the post-treatment unit 110 is arranged on the pure water branch 700, and the post-treatment unit 110 comprises a post-composite filter element.
The reverse osmosis water inlet branch 600 is provided with a fourth control valve 610 and a booster pump 630, and the booster pump 630 is arranged before the water inlet of the reverse osmosis unit 140.
The water treatment system still include with reverse osmosis water inlet branch road 600 connects's water purification water storage branch road 800, be provided with water storage portion 810 on the water purification water storage branch road 800, water purification water storage branch road 800 with reverse osmosis water inlet branch road 600's hookup location is located reverse osmosis unit 140 with between the post processing unit 110, the setting of water storage portion 810 can make the warp the water storage that reverse osmosis unit 140 purifies exists water storage portion 810, when needs drinking water, the storage is in the water purification in water storage portion 810 water warp pure water branch road 700 discharges, need not wait reverse osmosis unit 140 purifies water, and then makes drinking water intake time shorten, and water intaking efficiency increases, uses and experiences the improvement.
The water storage part 810 comprises a pressure container 811, the purified water storage branch 800 is further provided with a pressure switch 820, the pressure switch 820 controls the pressure in the pressure container 811 to realize that the water of the water treatment unit 100 is stored in the pressure container 811 or the water in the pressure container 811 is discharged from the purified water branch 700, when the reverse osmosis unit 140 produces water, the purified water branch 700 is closed, the water produced by the reverse osmosis unit 140 is stored in the pressure container 811 through the purified water storage branch 800 until the pressure in the pressure container 811 reaches a pressure value limited by the pressure switch 820, and then the water production is stopped.
A third one-way conductive element 620 is disposed between the connection position of the purified water storage branch 800 and the reverse osmosis water inlet branch 600 and the reverse osmosis unit 140, the third one-way conductive element 620 is disposed to allow only the purified water generated by the reverse osmosis unit 140 to flow to the purified water branch 700 or the purified water storage branch 800, the third one-way conductive element 620 may be, for example, a check valve, and when water is taken from the pressure container 811, the third one-way conductive element 620 may prevent the water in the pressure container 811 from flowing to the reverse osmosis unit 140.
It is understood that the third one-way conduction element 620 may be replaced with a third control valve, which is provided at the same position as the third one-way conduction element 620.
Alternatively, the third control valve or the third one-way communication element 620 is replaced with a three-way valve disposed in the reverse osmosis unit 140, the purified water storage branch 800 and the post-treatment unit 110, and the same effect as the third control valve or the third one-way communication element 620 can be achieved by controlling the communication between the reverse osmosis unit 140 and the purified water storage branch 800, or the communication between the purified water storage branch 800 and the post-treatment unit 110.
The cleaning bypass 400 includes a water inlet end where water introduced into the water inlet end is mixed with the cleaning material in the cleaning unit 410 and flows toward the control unit 300 under the water pressure applied thereto, the water inlet end being connected to the water path of the water treatment system and located at the upstream side of the reverse osmosis unit 140, and particularly, the water inlet end of the cleaning bypass 400 is provided at the reverse osmosis water inlet bypass 600 between the first pre-treatment unit 120 and the second pre-treatment unit 130, and the cleaning material is transferred to the control unit 300 by the water treated by the first pre-treatment unit 120, so that the control unit 300 can be prevented from being clogged by impurities in the raw water.
The cleaning substance may be a liquid, an object, a gas, preferably a weak acid substance, such as a detergent.
Example two
The difference between the second embodiment and the first embodiment is that the cleaning branch 400 is different.
Referring to fig. 2, a fluid driving device 430 is disposed on the washing branch 400, the fluid driving device 430 may be a pump, for example, the washing branch 400 and the reverse osmosis water inlet branch 600 are not communicated, one end of the washing branch 400 is not communicated with any water path, the other end of the washing branch 400 is communicated with a control unit 300, and the cleaning substance in the cleaning unit 410 flows to the control unit 300 through the washing branch 400 under the action of the fluid driving device 430.
EXAMPLE III
The difference between the third embodiment and the first embodiment is that the control element 300 is different.
Referring to fig. 3, in the present embodiment, the control element 300 includes two inlets and one outlet, the fluid in the cleaning branch 400 enters the control element 300 from one of the inlets and is discharged from the outlet, and the concentrated water in the concentrated water discharge branch 200 enters the control element 300 from the other inlet and is discharged from the outlet. The control element 300 of the present embodiment and the control element 300 of the first embodiment are different in structure, but both the control element 300 of the present embodiment and the control element 300 of the first embodiment can control the discharge ratio of the rich water.
Example four
The difference between the fourth embodiment and the second embodiment is that the control element 300 in the fourth embodiment is the control element 300 in the third embodiment, and referring to fig. 4, in this embodiment, the control element 300 includes two inlets and one outlet, the fluid in the cleaning branch 400 enters the control element 300 from one of the inlets and is discharged from the outlet, and the concentrated water in the concentrated water discharge branch 200 enters the control element 300 from the other inlet and is discharged from the outlet. The control element 300 of the present embodiment and the control element 300 of the first embodiment are different in structure, but both the control element 300 of the present embodiment and the control element 300 of the first embodiment can control the discharge ratio of the rich water.
EXAMPLE five
The water purifier comprises the water treatment system.
EXAMPLE six
The control method for the above water treatment system according to the present invention, which has a cleaning mode, includes: in the cleaning mode, the cleaning material in the cleaning unit 410 is controlled to enter the control element 300 through the cleaning branch 400 to dissolve the impurities in the control element 300, so that the impurities on the control element 300 are easily washed away by water, the control element 300 is not easily blocked by the impurities, the service life is prolonged, the replacement cycle is prolonged, the cost is reduced, and the control method is simple.
The water treatment system also has a water production mode and a flushing mode, and the control method comprises the following steps:
in the water production mode, the reverse osmosis unit 140 is controlled to produce water, when the reverse osmosis unit 140 produces water, concentrated water is produced and is discharged through the waste water hole on the control element 300, in the long-term water production process of the reverse osmosis unit 140, the waste water hole on the control element 300 is blocked by impurities, when the control element 300 is blocked, the reverse osmosis membrane in the reverse osmosis unit 140 is easily scrapped in a short time, the service lives of the control element 300 and the reverse osmosis membrane are shortened, the replacement period is shortened, and the cost is increased.
In the flushing mode, the reverse osmosis membrane of the reverse osmosis unit 140 is controlled to be flushed, and at this time, the reverse osmosis membrane in the reverse osmosis unit 140 is flushed, and the wastewater after the flushing of the reverse osmosis membrane is discharged through the flushing hole of the control element 300.
The cleaning mode is controlled to be set after the water production mode and before the flushing mode, that is, the water treatment system is controlled to operate in the water production mode for a first time, then the water treatment system is controlled to operate in the cleaning mode for a second time, and finally the water treatment system is controlled to operate in the flushing mode for a third time, so that in the water production mode, the wastewater generated by the reverse osmosis unit 140 flows through the control element 300 and impurities are blocked on the control element 300, in the cleaning mode, the cleaning substances in the cleaning unit 410 flow through the control element 300 and then dissolve the impurities on the control element 300, and in the flushing mode, the dissolved impurities on the control element 300 are flushed and discharged, thereby ensuring that the control element 300 is not blocked by the impurities and prolonging the service life of the control element 300, meanwhile, the control element 300 is normally used, which may increase the service life of the reverse osmosis membrane of the reverse osmosis unit 140.
Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A water treatment system is characterized by comprising a water treatment unit, wherein the water treatment unit comprises a concentrated water port, the water treatment system further comprises a concentrated water discharging branch connected with the concentrated water port, a control element for controlling the discharge proportion of concentrated water is arranged on the concentrated water discharging branch, the water treatment system further comprises a cleaning branch, a cleaning unit is arranged on the cleaning branch, and cleaning substances in the cleaning unit can enter the control element through the cleaning branch to dissolve impurities in the control element.
2. The water treatment system of claim 1 wherein the wash branch is provided with a first control valve and/or a first one-way directional communication element, wherein the first one-way directional communication element is arranged to allow fluid in the wash branch to flow to the control element; and/or the presence of a gas in the gas,
and a second control valve and/or a second one-way conduction element are/is arranged on the concentrated water discharge branch, and the second one-way conduction element is arranged to allow concentrated water discharged from the concentrated water port to flow to the control element.
3. The water treatment system of claim 1, wherein said control element includes an inlet and an outlet, and wherein the fluid in said cleaning branch and the concentrate in said concentrate discharge branch both enter said control element through said inlet and are discharged through said outlet; or,
the control element comprises two inlets and an outlet, the fluid in the cleaning branch is discharged from the outlet after entering the control element from one of the inlets, and the concentrated water in the concentrated water discharge branch is discharged from the outlet after entering the control element from the other inlet.
4. The water treatment system of claim 1 wherein the wash branch includes a water inlet end, water entering the water inlet end and cleaning substance in the cleaning unit being mixed and flowing toward the control element under water pressure applied at the water inlet end; or,
and a fluid driving device is arranged on the cleaning branch, and the cleaning substance in the cleaning unit flows to the control element under the action of the fluid driving device.
5. The water treatment system of claim 4, wherein the water treatment unit comprises a reverse osmosis unit, the concentrate inlet is disposed on the reverse osmosis unit, and the water inlet end is connected to a waterway of the water treatment system and is located on an upstream side of the reverse osmosis unit.
6. The water treatment system of claim 5, wherein the water treatment unit comprises a first pre-treatment unit and a second pre-treatment unit, the water treatment system comprises a first purified water branch, water flowing through the first pre-treatment unit passes through the second pre-treatment unit and then is discharged through the first purified water branch, and the water inlet end of the cleaning branch is arranged between the first pre-treatment unit and the second pre-treatment unit.
7. The water treatment system of claim 6, comprising a reverse osmosis water inlet branch, wherein the reverse osmosis unit is disposed on the reverse osmosis water inlet branch, and wherein a water inlet end of the reverse osmosis water inlet branch is disposed between the first pre-treatment unit and the second pre-treatment unit.
8. The water treatment system of any one of claims 1 to 7, wherein the control element comprises a waste water proportional valve having a waste water aperture disposed therein, the cleaning branch being for cleaning the waste water aperture.
9. A water purification machine comprising a water treatment system as claimed in any one of claims 1 to 8.
10. A control method for a water treatment system according to any one of claims 1 to 8, wherein the water treatment system has a cleaning mode:
the control method comprises the following steps: in the cleaning mode, the cleaning substance in the cleaning unit is controlled to enter the control element through the cleaning branch to dissolve impurities in the control element.
11. The control method of claim 10, wherein the water treatment unit comprises a reverse osmosis unit, the concentrate outlet is disposed on the reverse osmosis unit, the water treatment system further has a water production mode and a flush mode, the control method comprising:
controlling the reverse osmosis unit to produce water in the water production mode, and controlling a reverse osmosis membrane of the reverse osmosis unit to be flushed in the flushing mode;
the wash mode is set after the water production mode and before the rinse mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790945.6A CN109019912A (en) | 2018-07-18 | 2018-07-18 | Water treatment system, water purifier and control method of water treatment system |
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| CN201810790945.6A CN109019912A (en) | 2018-07-18 | 2018-07-18 | Water treatment system, water purifier and control method of water treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112167995A (en) * | 2020-09-21 | 2021-01-05 | 珠海格力电器股份有限公司 | Multi-stage cooking control method and device, cooking equipment and storage medium |
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