CN108928965B - Water treatment system and water purifier - Google Patents
Water treatment system and water purifier Download PDFInfo
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- CN108928965B CN108928965B CN201810824987.7A CN201810824987A CN108928965B CN 108928965 B CN108928965 B CN 108928965B CN 201810824987 A CN201810824987 A CN 201810824987A CN 108928965 B CN108928965 B CN 108928965B
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- waterway
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- filter element
- treatment system
- water treatment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 239000012528 membrane Substances 0.000 claims abstract description 24
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims description 20
- 239000003456 ion exchange resin Substances 0.000 claims description 8
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 8
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical group C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 244000261422 Lysimachia clethroides Species 0.000 description 7
- 239000008213 purified water Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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 utility model provides a water treatment system and a water purifier, wherein the water treatment system comprises: a reverse osmosis membrane filter element provided with a pure water end for pure water output; the first waterway is arranged between the pure water end and the equipment water outlet end; the second waterway comprises a functional filter element and is arranged between the pure water end and the water outlet end of the equipment; a switching element having a first state of conducting the first waterway and a second state of conducting the second waterway; and the controller is used for controlling the switching element to conduct the first waterway or the second waterway. By arranging the functional filter element, the TDS of the effluent can be reduced, and the quality of the effluent can be improved; and including two parallel waterways, the output of two waterways all is connected to equipment water outlet, so the design can switch according to actual conditions, uses the functional filter core in good time to carry out water treatment, has prolonged life.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a water treatment system, and simultaneously relates to a water purifier.
Background
The reverse osmosis water purifier has the working principle that raw water passes through a reverse osmosis membrane filter element, water molecules pass through the reverse osmosis membrane through pressurization, inorganic salt ions, organic matters, colloid, bacteria, viruses and the like are intercepted by the reverse osmosis membrane and discharged along with concentrated water, so that the aim of purifying water is fulfilled.
When the reverse osmosis water purifier is stopped for a long time, the pure water and raw water on two sides of the reverse osmosis membrane permeate to a low concentration place due to concentration difference, ions and micromolecular substances in the raw water slowly permeate through the reverse osmosis membrane to enter the pure water, and the final TDS (Total dissolved solids ) is increased due to continuous permeation. Therefore, the problem that the TDS content of the first cups of water is high when the water is taken after the water is restarted after the water is stopped for a long time occurs.
To solve this problem, the utility model patent with publication number CN204625353U discloses a filtration system of a water dispenser and a water dispenser having the same, the filtration system of the water dispenser comprising: the first preposed filter element is connected with a water source; the second preposed filter element is connected with the first preposed filter element; the RO membrane filter core is arranged at the downstream of the second preposed filter core and is provided with a raw water inlet, a waste water outlet and a purified water outlet; a functional filter element for reducing TDS in water, wherein the functional filter element is connected with a purified water outlet of the RO membrane filter element so as to discharge TDS of water discharged from the purified water outlet; and the rear filter element is connected with the downstream of the functional filter element to discharge pure water.
Although the above patent is provided with a functional filter element for reducing TDS in water between the RO membrane filter element and the rear filter element, after the water dispenser is not stopped for a long time, the TDS in the drinking water of the previous cups can be reduced. However, the functional filter element is positioned on the water producing channel, normal produced water may pass through the functional filter element, which is equivalent to doing idle work, and under the continuous impact of hydraulic power, the functional filter element is easy to fail and break, so that the actual service life is reduced.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problems that the prior art solves the problem that the TDS content of the previous cups of water is high when the water is taken after the water is stopped for a long time and then started, so that the functional filter element is easy to lose efficacy and the service life is shortened, thereby providing water treatment equipment. The utility model also provides a water purifier.
The present utility model provides a water treatment system comprising:
a reverse osmosis membrane filter element provided with a pure water end for pure water output;
the first waterway is arranged between the pure water end and the equipment water outlet end;
the second waterway comprises a functional filter element and is arranged between the pure water end and the water outlet end of the equipment;
a switching element having a first state of conducting the first waterway and a second state of conducting the second waterway;
and the controller is used for controlling the switching element to conduct the first waterway or the second waterway.
Optionally, the functional filter element is an ion exchange resin filter element.
Optionally, the second waterway is further provided with a one-way valve which is in one-way conduction with the water outlet end of the device.
Optionally, the switching element is a three-way electromagnetic valve with an input end connected with the pure water end and two output ends respectively connected with the first waterway and the second waterway.
Optionally, the switching element includes solenoid valves respectively disposed in the first waterway and the second waterway.
Optionally, the pretreatment system is included, and the water outlet end of the pretreatment system is connected to the water inlet end of the reverse osmosis membrane filter element through a booster pump.
Optionally, the filter comprises a rear filter element positioned at the front end of the water outlet end of the device, and the first waterway and the second waterway are connected to the front end of the rear filter element.
Optionally, the pure water end is connected with the first waterway and the second waterway through a TDS probe, and the controller controls the switching element according to detection information of the TDS probe.
Optionally, the filter further comprises an alarm prompting device which is electrically connected with the controller and prompts replacement of the functional filter element; and the controller controls the alarm prompting device to work when the detection value of the TDS probe is larger than the alarm set value.
The utility model also provides a water purifier which comprises the water treatment system.
The technical scheme of the utility model has the following advantages:
the utility model provides a water treatment system, comprising: a reverse osmosis membrane filter element provided with a pure water end for pure water output; the first waterway is arranged between the pure water end and the equipment water outlet end; the second waterway comprises a functional filter element and is arranged between the pure water end and the water outlet end of the equipment; a switching element having a first state of conducting the first waterway and a second state of conducting the second waterway; and the controller is used for controlling the switching element to conduct the first waterway or the second waterway. The utility model is provided with the functional filter element, which can reduce the TDS of the effluent and improve the quality of the effluent; and including two parallel waterways, the output of two waterways all is connected to equipment water outlet, so the design can switch according to actual conditions, uses the functional filter core in good time to carry out water treatment, has prolonged life.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a water treatment system according to the present utility model;
reference numerals illustrate:
1-pretreatment system, 2-booster pump, 3-reverse osmosis membrane filter core, 4-waste water ratio solenoid valve, 5-dense water solenoid valve, 6-TDS probe, 7-three-way solenoid valve, 8-ion exchange resin filter core, 9-check valve, 10-post filter core, 11-gooseneck tap. 100-first water route, 200-second water route, 300-dense water pipeline.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The water purifying device comprises a pretreatment system 1, a reverse osmosis membrane filter element 3, a rear filter element 10, a gooseneck faucet 11 and a controller. The reverse osmosis membrane filter element 3 is provided with a water inlet end, a pure water end and a concentrated water end. The water outlet end of the pretreatment system 1 is communicated with the water inlet end of the reverse osmosis membrane filter element 3 by adding a pump 2. The pure water end of the reverse osmosis membrane filter element 3 is connected with a TDS probe 6. The concentrated water end of the reverse osmosis membrane filter element 3 is provided with a concentrated water pipeline 300, and the concentrated water pipeline 300 comprises a wastewater ratio electromagnetic valve 4 and a concentrated water electromagnetic valve 5 which are arranged in parallel.
The other side of the TDS probe 6 is connected with the input end of a three-way electromagnetic valve 7. Two output ends of the three-way electromagnetic valve 7 are respectively connected with the first waterway 100 and the second waterway 200. The other end of the first waterway 100 is connected to the front end of the rear filter element 10. The second waterway 200 is communicated to the front end of the rear filter element 10 through the ion exchange resin filter element 8 and the one-way valve 9. The ion exchange resin filter element 8 comprises food-grade mixed bed ion exchange resin, and the resin particles comprise functional groups capable of exchanging anions and cations in the water body, so that the anions and cations in the water body can be removed, and the TDS in the water body can be reduced. The one-way valve 9 is connected with the side where the rear filter element 10 is positioned in a one-way.
The rear end of the rear filter element 10 is connected with a gooseneck faucet 11, and the gooseneck faucet 11 is the water outlet end of the device.
The controller is electrically connected with the TDS probe 6 and the three-way electromagnetic valve 7, and controls the three-way electromagnetic valve 7 to act according to the detection signal of the TDS probe 6. The water treatment system also comprises an alarm prompting device electrically connected with the controller; the controller controls the alarm prompting device to work according to the detection value of the TDS probe 6.
The water treatment system provided by the utility model has the following working principle:
the TDS probe monitoring value is m.
1 when m < a, the water making process is regarded as normal water making, the numerical value is fed back to the controller, the three-way electromagnetic valve 7 is controlled to close the second waterway 200, the first waterway 100 is conducted, and the water flows sequentially through: the pretreatment system 1-a booster pump 2-a reverse osmosis membrane filter element 3-a TDS probe 6-a three-way electromagnetic valve 7-a rear filter element 10-a gooseneck faucet 11;
2 when a < m < b, the water production process is regarded as abnormal water production, and the water path trend is divided into two sections, namely:
section 1: the controller receives the monitored value fed back by the TDS probe, controls the three-way electromagnetic valve 7 to open the second waterway 200 and close the first waterway 100, and the water flow sequentially passes through: the pretreatment system 1-a booster pump 2-a reverse osmosis membrane filter element 3-a TDS probe 6-a three-way electromagnetic valve 7-an ion exchange resin filter element 8-a one-way valve 9-a rear filter element 10-a gooseneck faucet 11;
section 2: after a certain time t, the controller controls the three-way electromagnetic valve 7 to close the second waterway 200, the controller controls the three-way electromagnetic valve 7 to conduct the first waterway 100, and closes the second waterway 200, and water flows through the two waterways in sequence: the pretreatment system 1-a booster pump 2-a reverse osmosis membrane filter element 3-a TDS probe 6-a three-way electromagnetic valve 7-a rear filter element 10-a gooseneck faucet 11;
wherein the time t is determined according to the water yield of the water treatment system, and can be set by referring to the following standard:
below 100G, t=20s; 100G-200G, t=40s; 200G-400G, t=60 s;400G-800G, t=90 s.
3 when b < m < c, the controller prompts the user to replace the filter element by receiving the feedback numerical value, and meanwhile, the waterway trend is as follows: the pretreatment system 1-a booster pump 2-a reverse osmosis membrane filter element 3-a TDS probe 6-a three-way electromagnetic valve 7-an ion exchange resin filter element 8-a one-way valve 9-a rear filter element 10-a gooseneck faucet 11;
and 4, when m is greater than c, regarding the expiration of the service life of the filter element, directly controlling to stop water production by the controller, and prompting a user to replace the filter element.
a, b, c may be set with reference to the data in the table.
As another embodiment of the three-way solenoid valve, solenoid valves may be provided in the first waterway 100 and the second waterway 200, respectively. Solenoid valves and three-way solenoid valves are collectively referred to as switching elements.
As another embodiment of the water treatment system, the TDS probe may not be provided, and the controller may control the switching element to operate through other control strategies, such as a time strategy, for example, the second waterway 200 is first turned on each time the water treatment system is started, and then the water treatment system is switched to the first waterway 100 after a set time.
The utility model also provides a water purifier which comprises the water treatment system.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (8)
1. A water treatment system, comprising: a reverse osmosis membrane filter element (3) having a pure water end for pure water output; the first waterway (100) is arranged between the pure water end and the equipment water outlet end; the second waterway (200) comprises a functional filter element, and is arranged between the pure water end and the equipment water outlet end; a switching element having a first state in which the first waterway (100) is conducted and a second state in which the second waterway (200) is conducted; the controller controls the switching element to conduct the first waterway (100) or the second waterway (200), the functional filter element is an ion exchange resin filter element (8), the pure water end is connected with the first waterway (100) and the second waterway (200) through a TDS probe (6), the controller controls the switching element according to detection information of the TDS probe (6), the monitoring value of the TDS probe is m, and when m < a >, the second waterway is closed to conduct the first waterway; when a < m < b, opening the second waterway, closing the first waterway, closing the second waterway after a certain time t, and conducting the first waterway; when b < m < c, controlling the alarm prompting device to prompt a user to replace the filter element, opening the second waterway and closing the first waterway; when m > c, the controller directly controls to stop water production and prompts the user to replace the filter element,
wherein t is determined according to the water yield of the water treatment system, the water yield is below 100G, and t=20s; the water yield is between 100G and 200G, and t=40s; the water yield is between 200G and 400G, t=60 s; the water yield is between 400G and 800G, and t=90s;
in addition, when the TDS of raw water is less than 500mg/L, a is less than 30, b is in the range of 30-75, and c is in the range of 75-100;
when the TDS of raw water ranges from 500mg/L to 1000mg/L, a is 30 to 100, b is 100 to 125;
when the TDS of raw water is more than 1000mg/L, the range of a <30, b is 30-150, and the range of c is 150-175.
2. The water treatment system of claim 1, wherein: the second waterway (200) is also provided with a one-way valve (9) which is communicated with the water outlet end of the equipment in a one-way.
3. A water treatment system according to claim 1 or 2, wherein: the switching element is a three-way electromagnetic valve (7) with an input end communicated with the pure water end and two output ends respectively communicated with the first waterway (100) and the second waterway (200).
4. A water treatment system according to claim 1 or 2, wherein: the switching element includes solenoid valves respectively provided to the first waterway (100) and the second waterway (200).
5. The water treatment system of claim 1, wherein: the water inlet end of the reverse osmosis membrane filter element (3) is connected with the water outlet end of the pretreatment system (1) through a booster pump (2).
6. The water treatment system of claim 1, wherein: the filter comprises a rear filter element (10) positioned at the front end of the water outlet end of the device, and the first waterway (100) and the second waterway (200) are connected to the front end of the rear filter element (10).
7. The water treatment system of claim 1, wherein: the alarm prompting device is electrically connected with the controller and prompts replacement of the functional filter element; and the controller controls the alarm prompting device to work when the detection value of the TDS probe (6) is larger than the alarm set value.
8. A water purifier, characterized in that: comprising the water treatment system of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824987.7A CN108928965B (en) | 2018-07-25 | 2018-07-25 | Water treatment system and water purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824987.7A CN108928965B (en) | 2018-07-25 | 2018-07-25 | Water treatment system and water purifier |
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| Publication Number | Publication Date |
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| CN108928965A CN108928965A (en) | 2018-12-04 |
| CN108928965B true CN108928965B (en) | 2023-06-20 |
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| CN201810824987.7A Active CN108928965B (en) | 2018-07-25 | 2018-07-25 | Water treatment system and water purifier |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110935228B (en) * | 2019-12-31 | 2021-10-26 | 芜湖美的厨卫电器制造有限公司 | Water purifier, apparatus and method for managing life of filter element of water purifier, and storage medium |
| CN111233221A (en) * | 2020-03-16 | 2020-06-05 | 佛山市云米电器科技有限公司 | Water purification method and system and water purifier with stable pure water output |
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| WO2013057893A1 (en) * | 2011-10-19 | 2013-04-25 | パナソニック株式会社 | Water purification system |
| JP2013103194A (en) * | 2011-11-15 | 2013-05-30 | Miura Co Ltd | Water treatment system |
| CN103304080A (en) * | 2012-03-11 | 2013-09-18 | 杜也兵 | Water purifier provided with soluble total solid monitoring device and monitoring method |
| CN203683256U (en) * | 2014-01-02 | 2014-07-02 | 宁波福特恩净水设备有限公司 | Water-saving instant drinking machine |
| CN104773791A (en) * | 2015-04-10 | 2015-07-15 | 佛山市美的清湖净水设备有限公司 | Water dispenser and water purification system thereof |
| CN204625353U (en) * | 2015-04-10 | 2015-09-09 | 佛山市美的清湖净水设备有限公司 | Filtering system of water dispenser and water dispenser with same |
| CN206521337U (en) * | 2017-02-28 | 2017-09-26 | 长沙师范学院 | A kind of water purifier with filter element replacing intelligent reminding function |
-
2018
- 2018-07-25 CN CN201810824987.7A patent/CN108928965B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013057893A1 (en) * | 2011-10-19 | 2013-04-25 | パナソニック株式会社 | Water purification system |
| JP2013103194A (en) * | 2011-11-15 | 2013-05-30 | Miura Co Ltd | Water treatment system |
| CN103304080A (en) * | 2012-03-11 | 2013-09-18 | 杜也兵 | Water purifier provided with soluble total solid monitoring device and monitoring method |
| CN203683256U (en) * | 2014-01-02 | 2014-07-02 | 宁波福特恩净水设备有限公司 | Water-saving instant drinking machine |
| CN104773791A (en) * | 2015-04-10 | 2015-07-15 | 佛山市美的清湖净水设备有限公司 | Water dispenser and water purification system thereof |
| CN204625353U (en) * | 2015-04-10 | 2015-09-09 | 佛山市美的清湖净水设备有限公司 | Filtering system of water dispenser and water dispenser with same |
| CN206521337U (en) * | 2017-02-28 | 2017-09-26 | 长沙师范学院 | A kind of water purifier with filter element replacing intelligent reminding function |
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