CN113880328A - Water purifier with sterilization function and control method thereof - Google Patents
Water purifier with sterilization function and control method thereof Download PDFInfo
- Publication number
- CN113880328A CN113880328A CN202111018840.7A CN202111018840A CN113880328A CN 113880328 A CN113880328 A CN 113880328A CN 202111018840 A CN202111018840 A CN 202111018840A CN 113880328 A CN113880328 A CN 113880328A
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- Prior art keywords
- filter element
- water
- electromagnetic valve
- pipe
- sterilization
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 67
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002351 wastewater Substances 0.000 claims abstract description 27
- 238000011010 flushing procedure Methods 0.000 claims abstract description 13
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 230000002070 germicidal effect Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
-
- 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
- C02F2303/16—Regeneration of sorbents, filters
-
- 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
- C02F2303/20—Prevention of biofouling
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)
- Physical Water Treatments (AREA)
Abstract
A water purifier with a sterilization function comprises a primary filter element, a secondary filter element, a tertiary filter element and an ultraviolet sterilization device which are sequentially connected through pipelines, wherein a first electromagnetic valve and a booster pump are arranged between the primary filter element and the secondary filter element; a flushing pipe is connected between the water inlet end of the primary filter element and the water outlet pipe of the ultraviolet sterilization device, and a second electromagnetic valve is arranged on the flushing pipe; the water outlet pipe is connected with a waste water pipe, a pipeline between the three-stage filter element and the ultraviolet sterilization device is connected with an air inlet pipe, and a fourth electromagnetic valve is arranged on the air inlet pipe. The invention also discloses a control method of the water purifier. An ultraviolet sterilization device is arranged at the water production end to sterilize the water instantly. Meanwhile, ozone is generated under the action of the ultraviolet sterilizing lamp, and water dissolved with ozone is used for sterilizing the filter element and the pipeline, so that the effect of preventing bacteria from exceeding standards is achieved.
Description
Technical Field
The invention relates to a water purifying device, in particular to a water purifying machine capable of sterilizing. The invention also relates to a control method of the water purifier.
Background
A problem exists with most water purification products: the overproof water producing bacteria. Especially, the product containing the post-positioned active carbon is easy to cause the problem of exceeding the standard of bacteria. In general, in order to improve the taste of purified water, an activated carbon filter element is disposed behind an RO or other membrane filter elements in a water purification product. At present, bacteria are intercepted by arranging a microfiltration or ultrafiltration filter element behind the rear active carbon in part of products, and bacteria are killed by arranging an ultraviolet germicidal lamp behind the rear active carbon in part of products. However, the arrangement of the filter element or the arrangement of the ultraviolet germicidal lamp has certain problems. If ultrafiltration or microfiltration is set, bacteria are always intercepted before the filter element, and after a period of use, the bacteria are more and more. When the bacteria exceed a certain order of magnitude, the bacteria cannot be completely intercepted. And bacteria exceeding standard conditions are more and more serious.
At present, the prior art discloses that ultraviolet sterilization is adopted, and when bacteria exceed a certain order of magnitude, an ultraviolet sterilization lamp cannot completely kill the bacteria.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a water purifier that utilizes the ultraviolet radiation generated by the ultraviolet germicidal lamp to perform double sterilization on the filter element and the pipeline.
The second technical problem to be solved by the present invention is to provide a method for controlling a water purifier, which utilizes the ozone generated by the ultraviolet germicidal lamp and the ultraviolet radiation of the ultraviolet germicidal lamp to perform double sterilization on the filter element and the pipeline, in view of the above technical situation.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a water purifier with sterilization function comprises a primary filter element, a secondary filter element, a tertiary filter element and an ultraviolet sterilization device which are sequentially connected through pipelines, and is characterized in that a first electromagnetic valve and a booster pump are arranged between the primary filter element and the secondary filter element; a water outlet joint is formed on a water outlet pipe of the ultraviolet sterilization device; a flushing pipe is connected between the water inlet end of the primary filter element and the water outlet pipe of the ultraviolet sterilization device, and a second electromagnetic valve is arranged on the flushing pipe; the water outlet pipe is connected with a waste water pipe, and a third electromagnetic valve is arranged on the waste water pipe; an air inlet pipe is connected to a pipeline between the three-stage filter element and the ultraviolet sterilization device, and a fourth electromagnetic valve is arranged on the air inlet pipe. Furthermore, an air filter is arranged on the air inlet pipe.
Furthermore, the secondary filter element is provided with a waste water discharge pipe, and the waste water discharge pipe is provided with a waste water ratio electromagnetic valve and a first one-way valve for preventing water flow from flowing back into the secondary filter element.
Furthermore, a second one-way valve for preventing water from flowing backwards into the third-stage filter element is arranged on the flushing pipe.
Furthermore, a third one-way valve for preventing water from flowing backwards into the water purifier is arranged on the waste water pipe.
Furthermore, the water inlet end of the primary filter element is provided with a fourth one-way valve for preventing water from flowing backwards.
The technical scheme adopted by the invention for solving the second technical problem is as follows: a control method of a water purifier is characterized by comprising the following steps:
normal water intaking process: raw water flows out from the water outlet pipe through the water outlet joint after passing through the primary filter element, the secondary filter element, the tertiary filter element and the ultraviolet sterilization device;
the filter element and pipeline sterilization process comprises the following steps:
a. and (3) inflating in the cavity of the ultraviolet sterilization device: the first electromagnetic valve and the second electromagnetic valve are closed, and the third electromagnetic valve and the fourth electromagnetic valve are opened; the booster pump is started and continuously works to discharge residual water in the three-stage filter element and the ultraviolet sterilization device;
b. the ozone generating process comprises the following steps: stopping the booster pump, closing the third electromagnetic valve and the fourth electromagnetic valve, starting the ultraviolet sterilization device, and continuously sterilizing;
c. water filling and circulating sterilization processes: the third electromagnetic valve, the fourth electromagnetic valve and the wastewater ratio electromagnetic valve are closed, the first electromagnetic valve and the second electromagnetic valve are opened, the booster pump is started, and after water enters the ultraviolet sterilization device, the water enters the first-stage filter element through the second electromagnetic valve under the action of the booster pump and is subjected to circulating sterilization on the filtering system and the connecting pipeline;
d. and (3) a drainage cleaning process: after the sterilization process is finished, the second electromagnetic valve is closed, the first electromagnetic valve and the third electromagnetic valve are opened, the booster pump is started, the filter element and the pipeline are flushed in a full pipeline mode, residual ozone in the pipeline and the filter element is discharged from the waste water pipe, then the third electromagnetic valve is closed, the waste water ratio electromagnetic valve is opened, and the secondary filter element is flushed.
Compared with the prior art, the invention has the advantages that: an ultraviolet sterilization device is arranged at the water production end to sterilize the water instantly. Meanwhile, ozone is generated under the action of the ultraviolet sterilizing lamp, and water dissolved with the ozone is used for sterilizing the filter element and the pipeline. The effect of double bacteria exceeding prevention is realized.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, the water purifier with sterilization function in this embodiment includes a first-stage filter element 1, a second-stage filter element 2, a third-stage filter element 3, an ultraviolet sterilization device 4, and an air filter 7, which are connected in sequence through a pipeline.
A first electromagnetic valve 51 and a booster pump 511 are arranged between the first-stage filter element 1 and the second-stage filter element 2; a water outlet connector (a water tap 621 in the embodiment) is formed on the water outlet pipe 62 of the ultraviolet sterilization device 4; a flushing pipe 61 is connected between the water inlet end of the primary filter element 1 and the water outlet pipe 62 of the ultraviolet sterilization device 4, and a second electromagnetic valve 52 is arranged on the flushing pipe 61; the water outlet pipe 62 is connected with a waste water pipe 63, and the waste water pipe 63 is provided with a third electromagnetic valve 53; an air inlet pipe 64 is connected to a pipeline between the three-stage filter element 3 and the ultraviolet sterilization device 4, and a fourth electromagnetic valve 54 is arranged on the air inlet pipe 64. The air filter 7 is provided on the intake pipe 64.
The secondary filter element 2 has a waste water discharge pipe 65, and a waste water ratio solenoid valve and a first check valve 81 for preventing water from flowing backward into the secondary filter element 2 are provided on the waste water discharge pipe 65. The flushing pipe 61 is provided with a second check valve 82 for preventing water from flowing backward into the third-stage filter element 3. The waste pipe 63 is provided with a third check valve 83 for preventing water from flowing backward into the water purifier. The water inlet end of the second-stage filter element 1 is provided with a fourth one-way valve 84 for preventing water from flowing backwards.
The primary filter element 1 in the embodiment is a front filter element, primary filtration is carried out, and PP cotton and activated carbon can be adopted. The secondary filter element 2 is a membrane filter element, such as an RO membrane and a nanofiltration membrane. The third-stage filter element 3 is a post-positioned filter element, and can adopt post-positioned active carbon for improving the taste. The air filter 7 is used for filtering impurities in air, and can be made of PP cotton, non-woven fabric, etc
The control method of the water purifier comprises the following steps:
normal water intaking process: the raw water flows out from the water outlet pipe 62 through the water outlet joint after passing through the primary filter element 1, the secondary filter element 2, the tertiary filter element 3 and the ultraviolet sterilization device 4;
the filter element and pipeline sterilization process comprises the following steps:
a. and (3) inflating in the cavity of the ultraviolet sterilizing device 4: the first solenoid valve 51 and the second solenoid valve 52 are closed, and the third solenoid valve 53 and the fourth solenoid valve 54 are opened; the booster pump 511 is started to continuously work, and residual water in the three-stage filter element 3 and the ultraviolet sterilization device 4 is discharged;
b. the ozone generating process comprises the following steps: the booster pump 511 stops, the third electromagnetic valve 53 and the fourth electromagnetic valve 54 are closed, the ultraviolet sterilization device 4 is started, and the sterilization is continued;
c. water filling and circulating sterilization processes: the third electromagnetic valve 53, the fourth electromagnetic valve 54 and the wastewater ratio electromagnetic valve 21 are closed, the first electromagnetic valve 51 and the second electromagnetic valve 52 are opened, the booster pump 511 is started, and after water enters the ultraviolet sterilization device 4, the water enters the first-stage filter element 1 through the second electromagnetic valve 52 under the action of the booster pump 511 to circularly sterilize the filtering system and the connecting pipeline;
d. and (3) a drainage cleaning process: after the sterilization process is finished, the second electromagnetic valve 52 is closed, the first electromagnetic valve 51 and the third electromagnetic valve 53 are opened, the booster pump 511 is started to perform full-pipeline flushing on the filter element and the pipeline, and discharge ozone remained in the pipeline and the filter element from the waste water pipe 63, then the third electromagnetic valve 53 is closed, the waste water ratio electromagnetic valve 21 is opened, and the secondary filter element 2 is flushed.
Claims (7)
1. A water purifier with sterilization function comprises a primary filter element (1), a secondary filter element (2), a tertiary filter element (3) and an ultraviolet sterilization device (4) which are sequentially connected through pipelines, and is characterized in that a first electromagnetic valve (51) and a booster pump (511) are arranged between the primary filter element (1) and the secondary filter element (2); a water outlet joint is formed on a water outlet pipe (62) of the ultraviolet sterilization device (4); a flushing pipe (61) is connected between the water inlet end of the primary filter element (1) and a water outlet pipe (62) of the ultraviolet sterilization device (4), and a second electromagnetic valve (52) is arranged on the flushing pipe (61); a waste water pipe (63) is connected to the water outlet pipe (62), and a third electromagnetic valve (53) is arranged on the waste water pipe (63); an air inlet pipe (64) is connected to a pipeline between the three-stage filter element (3) and the ultraviolet sterilization device (4), and a fourth electromagnetic valve (54) is arranged on the air inlet pipe (64).
2. The water purifier with sterilization function according to claim 1, wherein said air inlet pipe (64) is provided with an air filter (7).
3. The water purifier with sterilization function according to claim 1, wherein said secondary filter element (2) has a waste water discharge pipe (65), said waste water discharge pipe (65) is provided with a waste water ratio solenoid valve (21) and a first check valve (81) for preventing water from flowing backwards into said secondary filter element (2).
4. The water purifier with sterilization function according to claim 1, wherein said flushing pipe (61) is provided with a second check valve (82) for preventing water from flowing backward into said third filter element (3).
5. The water purifier with sterilization function according to claim 1, wherein said waste water pipe (63) is provided with a third check valve (83) for preventing water from flowing backward into said water purifier.
6. The water purifier with sterilization function according to claim 1, wherein the water inlet end of the primary filter element (1) is provided with a fourth one-way valve (84) for preventing water from flowing backwards.
7. A control method of a water purifier with a sterilization function according to any one of claims 1 to 6, characterized by comprising the following steps:
normal water intaking process: raw water flows out from a water outlet joint of a water outlet pipe (62) after passing through a primary filter element (1), a secondary filter element (2), a tertiary filter element (3) and an ultraviolet sterilization device (4);
the filter element and pipeline sterilization process comprises the following steps:
a. and (3) inflating in the cavity of the ultraviolet sterilizing device (4): the first solenoid valve (51) and the second solenoid valve (52) are closed, and the third solenoid valve (53) and the fourth solenoid valve (54) are opened; the booster pump (511) is started to work continuously, and residual water in the three-stage filter element (3) and the ultraviolet sterilization device (4) is discharged;
b. the ozone generating process comprises the following steps: the booster pump (511) is stopped, the third electromagnetic valve (53) and the fourth electromagnetic valve (54) are closed, the ultraviolet sterilization device (4) is started, and the sterilization is continued;
c. water filling and circulating sterilization processes: the third electromagnetic valve (53), the fourth electromagnetic valve (54) and the wastewater ratio electromagnetic valve (21) are closed, the first electromagnetic valve (51) and the second electromagnetic valve (52) are opened, the booster pump (511) is started, and after water enters the ultraviolet sterilization device (4), the water enters the first-stage filter element (1) through the second electromagnetic valve (52) under the action of the booster pump (511) and is subjected to circulating sterilization on the filtering system and the connecting pipeline;
d. and (3) a drainage cleaning process: after the sterilization process is finished, the second electromagnetic valve (52) is closed, the first electromagnetic valve (51) and the third electromagnetic valve (53) are opened, the booster pump (511) is started to carry out full-pipeline flushing on the filter element and the pipeline, residual ozone in the pipeline and the filter element is discharged from the waste water pipe (63), then the third electromagnetic valve is closed, the waste water ratio electromagnetic valve is opened, and the secondary filter element is flushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018840.7A CN113880328A (en) | 2021-09-01 | 2021-09-01 | Water purifier with sterilization function and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018840.7A CN113880328A (en) | 2021-09-01 | 2021-09-01 | Water purifier with sterilization function and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113880328A true CN113880328A (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111018840.7A Pending CN113880328A (en) | 2021-09-01 | 2021-09-01 | Water purifier with sterilization function and control method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10244275A (en) * | 1997-03-03 | 1998-09-14 | Sansui Kk | Water quality purification device |
| CN1519207A (en) * | 2003-01-23 | 2004-08-11 | 翰信科技股份有限公司 | Sterilizing unit of ultraviolet rediationa nd ozone with improved sterukuzubg effect |
| CN101357795A (en) * | 2007-08-02 | 2009-02-04 | 佳尼特(上海)纯水设备有限公司 | Reverse osmosis degerming purifier |
| CN109052770A (en) * | 2018-09-30 | 2018-12-21 | 桂林康兴医疗器械有限公司 | Full-automatic water purification disinfection system and method |
| CN211611946U (en) * | 2019-10-09 | 2020-10-02 | 宁波方太厨具有限公司 | Filter element flushing structure of water purifier |
-
2021
- 2021-09-01 CN CN202111018840.7A patent/CN113880328A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10244275A (en) * | 1997-03-03 | 1998-09-14 | Sansui Kk | Water quality purification device |
| CN1519207A (en) * | 2003-01-23 | 2004-08-11 | 翰信科技股份有限公司 | Sterilizing unit of ultraviolet rediationa nd ozone with improved sterukuzubg effect |
| CN101357795A (en) * | 2007-08-02 | 2009-02-04 | 佳尼特(上海)纯水设备有限公司 | Reverse osmosis degerming purifier |
| CN109052770A (en) * | 2018-09-30 | 2018-12-21 | 桂林康兴医疗器械有限公司 | Full-automatic water purification disinfection system and method |
| CN211611946U (en) * | 2019-10-09 | 2020-10-02 | 宁波方太厨具有限公司 | Filter element flushing structure of water purifier |
Non-Patent Citations (1)
| Title |
|---|
| 线引林等: "《空气采样与分析方法》", 人民卫生出版社 * |
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Application publication date: 20220104 |