CN118724180A - Self-cleaning water purification system and water purifier - Google Patents
Self-cleaning water purification system and water purifier Download PDFInfo
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- CN118724180A CN118724180A CN202410928031.7A CN202410928031A CN118724180A CN 118724180 A CN118724180 A CN 118724180A CN 202410928031 A CN202410928031 A CN 202410928031A CN 118724180 A CN118724180 A CN 118724180A
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
- B01D61/081—Apparatus therefor used at home, e.g. kitchen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/162—Use of acids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/164—Use of bases
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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
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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Abstract
本发明公开了一种自清洗净水系统和净水机，其中，自清洗净水系统包括：过滤模块，过滤模块包括第一滤芯和第二滤芯，第一滤芯和第二滤芯均用于对待过滤水源进行过滤，且第二滤芯还用于存放清洗剂；气液处理模块，气液处理模块用于对清洗剂、待过滤水源和待混合气体进行气液混合处理，以生成微气泡清洗水；开关模块，开关模块包括多个开关，多个开关用于引导微气泡清洗水的生成和流通方向；控制模块，控制模块用于对开关模块进行控制，以使微气泡清洗水流向第一滤芯对第一滤芯进行清洗。由此，通过对第一滤芯进行清洗，可以提高自清洗净水系统的出水水质和流量，进而提高了滤芯的使用寿命，并降低了滤芯的更换成本，从而提高了用户的使用体验。
The present invention discloses a self-cleaning water purification system and a water purifier, wherein the self-cleaning water purification system comprises: a filtering module, the filtering module comprises a first filter element and a second filter element, the first filter element and the second filter element are both used to filter a water source to be filtered, and the second filter element is also used to store a cleaning agent; a gas-liquid processing module, the gas-liquid processing module is used to perform a gas-liquid mixing process on the cleaning agent, the water source to be filtered and the gas to be mixed to generate micro-bubble cleaning water; a switch module, the switch module comprises a plurality of switches, and the plurality of switches are used to guide the generation and flow direction of the micro-bubble cleaning water; a control module, the control module is used to control the switch module so that the micro-bubble cleaning water flows to the first filter element to clean the first filter element. Thus, by cleaning the first filter element, the water quality and flow rate of the self-cleaning water purification system can be improved, thereby increasing the service life of the filter element, and reducing the replacement cost of the filter element, thereby improving the user experience.
Description
Technical Field
The invention relates to the technical field of water purification, in particular to a self-cleaning water purification system and a water purifier.
Background
With the continuous pursuit of life quality, water purifiers have become indispensable equipment in family life. The reverse osmosis water purifier has dominant in the water purification market by virtue of its efficient filtration performance. The core filter unit is a reverse osmosis filter core, so that various pollutants in water can be effectively removed, and the water quality safety is ensured. However, as the service time increases, the concentrated water end of the reverse osmosis membrane accumulates a large amount of sediment, which affects the water purification effect. When the traditional household water purifier solves the problem, a mode of directly replacing the filter element is generally adopted, so that the use cost is increased, and the waste of resources is also caused.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, a first object of the present invention is to provide a self-cleaning water purification system, which can improve the water quality and flow rate of the effluent of the self-cleaning water purification system by cleaning the first filter element, thereby improving the service life of the filter element, reducing the replacement cost of the filter element, and improving the use experience of users.
A second object of the present invention is to provide a water purifier.
To achieve the above object, an embodiment of a first aspect of the present invention provides a self-cleaning water purification system, wherein the system includes: the filter module comprises a first filter element and a second filter element, wherein the first filter element and the second filter element are both used for filtering a water source to be filtered, and the second filter element is also used for storing cleaning agents; the gas-liquid treatment module is used for carrying out gas-liquid mixing treatment on the cleaning agent, the water source to be filtered and the gas to be mixed so as to generate micro-bubble cleaning water; a switch module including a plurality of switches for guiding a generation and circulation direction of the micro bubble washing water; and the control module is used for controlling the switch module so that the micro-bubble cleaning water flows to the first filter element to clean the first filter element.
According to the self-cleaning water purification system provided by the embodiment of the invention, the first filter element is cleaned, so that the water quality and the flow of the water discharged by the self-cleaning water purification system can be improved, the service life of the filter element is further prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is further improved.
In addition, the self-cleaning water purification system according to the above embodiment of the present invention may further include the following additional technical features:
According to one embodiment of the invention, the second filter element comprises a pre-filter element and a post-filter element, the pre-filter element and the post-filter element both comprise a water inlet and a water outlet, the water inlet of the pre-filter element is connected with the water outlet of the water source to be filtered, the pre-filter element can be used for storing alkaline cleaning agents, and the post-filter element can be used for storing acidic cleaning agents.
According to one embodiment of the invention, the gas-liquid treatment die comprises a jet device, a gas-liquid mixer and a first bubble generator, wherein the water inlet end of the jet device is connected with the water outlet of the pre-filter element, the air inlet end of the jet device is connected with the air inlet of the gas to be mixed, the output end of the jet device is connected with the input end of the gas-liquid mixer, the output end of the gas-liquid mixer is connected with the input end of the first bubble generator, and the output end of the first bubble generator is connected with the water inlet of the first filter element.
According to one embodiment of the invention, the first filter element comprises a filtered water outlet and a waste water outlet, the switch module comprises a first switch, a second switch, a third switch, a fourth switch, a fifth switch and a sixth switch, the first switch is arranged between the water outlet of the water source to be filtered and the water inlet of the front filter element, the second switch is arranged between the air outlet of the gas to be mixed and the air inlet end of the jet device, the third switch is arranged between the water inlet end of the jet device and the water outlet of the front filter element, the fourth switch is arranged between the output end of the gas-liquid mixer and the input end of the first foam generator, the fifth switch is arranged at the waste water outlet of the first filter element, and the sixth switch is arranged between the water outlet of the rear filter element and the fourth switch.
According to one embodiment of the invention, the control module is specifically configured to: and controlling the first switch, the second switch, the third switch, the fourth switch and the fifth switch to be opened, and the sixth switch to be closed so as to guide the water source to be filtered through the front filter element, mixing the filtered water source to be filtered and the gas to be mixed by using the ejector and the gas-liquid mixer to form an alkaline gas-liquid mixture, and guiding the alkaline gas-liquid mixture to the first bubbler to generate alkaline micro-bubble cleaning water and then flow to the first filter element so as to perform alkaline cleaning on the first filter element.
According to one embodiment of the invention, the control module is further configured to, upon completion of the alkaline cleaning: and controlling the sixth switch to be opened so as to guide filtered water flowing out from a filtered water outlet of the first filter element to pass through the rear filter element and then to be converged with a water outlet of the front filter element, then to be mixed with gas to be mixed to form an acid gas-liquid mixture through the ejector and the gas-liquid mixer, and guiding the acid gas-liquid mixture to the first bubbler to generate acid micro-bubble cleaning water and then to flow to the first filter element so as to carry out acid cleaning on the first filter element.
According to one embodiment of the invention, the control module is further configured to: when the sixth switch is controlled to be turned on, the fifth switch is controlled to be turned off, and when the turn-off time of the fifth switch is longer than or equal to the first preset time, the fifth switch is controlled to be continuously turned on for the second preset time, so that the acidic cleaning of the first filter element is completed.
According to one embodiment of the invention, the consumption of cleaning agent in the second filter cartridge is completed at the end of the acidic cleaning phase.
According to one embodiment of the invention, the system further comprises a potable water outlet and a line machine interface, the switch module further comprises a seventh switch, an eighth switch and a ninth switch, the seventh switch and the eighth switch are connected in series and then are arranged between the water outlet of the pre-filter element and the water inlet of the first filter element, the ninth switch is arranged between the potable water outlet and the water outlet of the post-filter element, the line machine interface is connected with the water outlet of the post-filter element, and the control module is further used for: and controlling the first switch, the seventh switch, the eighth switch and the ninth switch to be turned on, and the second switch, the third switch, the fourth switch, the fifth switch and the sixth switch to be turned off so as to guide the water source to be filtered to flow to the pipeline machine interface and the drinking water outlet after being filtered by the front filter element, the first filter element and the rear filter element.
According to one embodiment of the present invention, the system further includes a bubble water outlet, the switch module further includes a tenth switch, the gas-liquid processing module further includes a second bubbler, the tenth switch is connected in series with the second bubbler and then is disposed between the output end of the gas-liquid mixer and the bubble water outlet, and the control module is further configured to: and controlling the first switch, the second switch, the third switch and the tenth switch to be turned on, and turning off the fourth switch, the fifth switch and the sixth switch to guide the water source to be filtered to pass through the front filter element, mixing the filtered water source to be filtered and the gas to be mixed by using the ejector and the gas-liquid mixer to form a gas-liquid mixture, and guiding the gas-liquid mixture to the second bubbler to generate micro bubble water and then flow to the bubble water outlet.
According to one embodiment of the invention, the system further comprises a pressure reducing valve and a booster pump, the pressure reducing valve is arranged between the third switch and the water inlet end of the ejector, and the booster pump is arranged between the output end of the ejector and the input end of the gas-liquid mixer.
According to one embodiment of the invention, the system further comprises a first one-way valve, a second one-way valve and a third one-way valve, wherein the input end of the first one-way valve is connected with the air inlet of the air to be mixed through the second switch, the output end of the first one-way valve is connected with the air inlet end of the ejector, the input end of the second one-way valve is connected with the water outlet of the rear filter element, the output end of the second one-way valve is connected with the drinking water outlet through the ninth switch, the output end of the second one-way valve is further connected with one end of the sixth switch, the input end of the third one-way valve is connected with the other end of the sixth switch, and the output end of the third one-way valve is connected with the water outlet of the front filter element.
In order to achieve the above object, a second aspect of the present invention provides a water purifier, including the self-cleaning water purification system according to the foregoing embodiment of the present invention.
According to the water purifier provided by the embodiment of the invention, the self-cleaning water purifying system is adopted to clean the first filter element, so that the water quality and the flow of the water discharged by the self-cleaning water purifying system can be improved, the service life of the filter element is further prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is further improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a block schematic diagram of a self-cleaning water purification system in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of the waterway of the self-cleaning system in accordance with one embodiment of the present invention;
fig. 3 is a block diagram schematically illustrating a water purifier according to an embodiment of the present invention.
Reference numerals:
The filter comprises a second filter element 11, a jet ejector 12, a gas-liquid mixer 13, a first bubble generator 14, a first filter element 15, a first switch 16, a second switch 17, a third switch 18, a fourth switch 19, a fifth switch 21, a sixth switch 22, a seventh switch 23, an eighth switch 24, a ninth switch 25, a tenth switch 26, a second bubble generator 27, a pressure reducing valve 28, a booster pump 29, a first one-way valve 31, a second one-way valve 32, a third one-way valve 33, a high-pressure switch 34 and a water inlet tee 35.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The self-cleaning water purification system and the water purifier according to the embodiments of the present invention are described below with reference to the accompanying drawings.
Fig. 1 is a block schematic diagram of a self-cleaning water purification system in accordance with an embodiment of the present invention.
Specifically, in some embodiments of the present invention, as shown in fig. 1, a self-cleaning water purification system 100 includes a filtration module 10, a gas-liquid treatment module 20, a switching module 30, and a control module 40.
The filter module 10 comprises a first filter element and a second filter element, wherein the first filter element and the second filter element are used for filtering a water source to be filtered, and the second filter element is also used for storing cleaning agents; the gas-liquid treatment module 20 is used for performing gas-liquid mixing treatment on the cleaning agent, the water source to be filtered and the gas to be mixed so as to generate micro-bubble cleaning water; the switch module 30 includes a plurality of switches for guiding the generation and flow direction of the micro bubble washing water; the control module 40 is used for controlling the switch module so that the micro-bubble cleaning water flows to the first filter element to clean the first filter element. The first filter element may be preferably a reverse osmosis filter element, and the plurality of switches may be one switch, two switches or five switches.
Further, in some embodiments of the present invention, as shown in fig. 2, the second filter 11 includes a pre-filter and a post-filter, each of which includes a water inlet and a water outlet, and the water inlet of the pre-filter is connected to the water outlet of the water source to be filtered, the pre-filter may be used for storing alkaline cleaning agent, and the post-filter may be used for storing acidic cleaning agent.
Specifically, in this embodiment, the water source to be filtered enters the pre-filter element through the water inlet of the pre-filter element, is mixed with the alkaline cleaning agent in the pre-filter element to form alkaline cleaning water, and flows out through the water outlet of the pre-filter element, and the filtered water flowing out from the filtered water outlet of the first filter element 15 enters the post-filter element through the water inlet of the post-filter element, is mixed with the acidic cleaning agent in the post-filter element to form acidic cleaning water, and flows out through the water outlet of the post-filter element.
Further, in some embodiments of the present invention, the gas-liquid treatment module includes a jet 12, a gas-liquid mixer 13 and a first bubbler 14, where the water inlet end of the jet 12 is connected to the water outlet of the pre-filter element, the air inlet end of the jet 12 is connected to the air inlet of the gas to be mixed, the output end of the jet 12 is connected to the input end of the gas-liquid mixer 13, the output end of the gas-liquid mixer 13 is connected to the input end of the first bubbler 14, and the output end of the first bubbler 14 is connected to the water inlet of the first filter element 15.
Specifically, in this embodiment, the gas to be mixed enters the ejector 12 through the air inlet end of the ejector 12, the water source to be filtered flows into the pre-filter through the water inlet of the pre-filter, and is mixed with the alkaline cleaning agent in the pre-filter to form alkaline cleaning water, the alkaline cleaning water flows out from the water outlet of the pre-filter, flows into the ejector 12 through the water inlet end of the ejector 12, the gas to be mixed and the alkaline cleaning water flow out through the output end of the ejector 12 after preliminary mixing in the ejector 12, and flows into the gas-liquid mixer 13 through the input end of the gas-liquid mixer 13, the alkaline gas-liquid mixture is formed after thorough mixing in the gas-liquid mixer 13, the alkaline gas-liquid mixture flows out through the output end of the gas-liquid mixer 13, and flows into the first bubbler 14 through the input end of the first bubbler 14, the alkaline micro-bubble water is generated under the treatment of the first bubbler 14, and flows into the first filter element 15 through the water inlet of the first bubbler 14, so that the organic grease, the filter membrane sediment, etc. under the surface of the first filter element 15 can be cleaned by the alkaline micro-bubble water for a long term. Wherein the first filter element 15 may preferably be a reverse osmosis filter element, and the water source to be filtered may be tap water.
Further, in some embodiments of the present invention, the first filter element 15 includes a filtered water outlet and a waste water outlet, the switch module includes a first switch 16, a second switch 17, a third switch 18, a fourth switch 19, a fifth switch 21, and a sixth switch 22, the first switch 16 is disposed between a water outlet of a water source to be filtered and a water inlet of a pre-filter element, the second switch 17 is disposed between a gas outlet of a gas to be mixed and an air inlet end of the ejector 12, the third switch 18 is disposed between a water inlet end of the ejector 12 and a water outlet of a pre-filter element, the fourth switch 19 is disposed between an output end of the gas-liquid mixer 13 and an input end of the first bubbler 14, the fifth switch 21 is disposed at a waste water outlet of the first filter element 15, and the sixth switch 22 is disposed between a water outlet of a post-filter element and the fourth switch 19. Among them, the first, second, third, fourth, fifth, and sixth switches 16, 17, 18, 19, 21, and 22 may preferably be solenoid valves, and furthermore, the present invention may not specifically limit the selection type of the first, second, third, fourth, fifth, and sixth switches 16, 17, 18, 19, 21, and 22.
Further, in some embodiments of the present invention, the control module is specifically configured to: the first switch 16, the second switch 17, the third switch 18, the fourth switch 19 and the fifth switch 21 are controlled to be turned on, the sixth switch 22 is turned off to guide the water source to be filtered through the pre-filter element, the ejector 12 and the gas-liquid mixer 13 are utilized to mix the filtered water source to be filtered and the mixed gas to form an alkaline gas-liquid mixture, and the alkaline gas-liquid mixture is guided to the first bubble generator 14 to generate alkaline micro-bubble cleaning water and then flows to the first filter element 15 to perform alkaline cleaning on the first filter element 15.
Specifically, in this embodiment, in the alkaline cleaning mode, the control module controls the first switch 16, the second switch 17, the third switch 18, the fourth switch 19 and the fifth switch 21 to be turned on, and the sixth switch 22 is closed, the gas to be mixed flows to the gas inlet of the ejector 12 after passing through the second switch 17, so as to enter the ejector 12 through the air inlet of the ejector 12, the water source to be filtered flows to the water inlet of the front filter element after passing through the first switch 16, the alkaline cleaning water enters the pre-filter element through the water inlet of the pre-filter element, is mixed with alkaline cleaning agent in the pre-filter element to form alkaline cleaning water, flows out from the water outlet of the pre-filter element and flows to the water inlet of the ejector 12 after passing through the third switch 18, enters the ejector 12 through a water inlet of the ejector 12, flows out through an output end of the ejector 12 after the mixed gas and alkaline cleaning water are primarily mixed, flows into the gas-liquid mixer 13 through an input end of the gas-liquid mixer 13, fully mixing in the gas-liquid mixer 13 to form an alkaline gas-liquid mixture, flowing out the alkaline gas-liquid mixture through the output end of the gas-liquid mixer 13, and through the fourth switch 19 to the input of the first bubbler 14, and further through the input of the first bubbler 14 into the first bubbler 14, the alkaline micro-bubble water is generated under the treatment of the first bubbler 14, so as to flow out through the output end of the first bubbler 14 and flow into the first filter element 15 through the water inlet of the first filter element 15, further, the alkaline micro-bubble water can be used for cleaning pollutants such as organic matters, grease, colloid and the like deposited on the surface of the filtering membrane of the first filter element 15 for a long time, and the waste water generated after cleaning flows to the fifth switch 21 from the waste water outlet of the first filter element 15 and is discharged.
Further, in some embodiments of the invention, upon completion of the alkaline cleaning, the control module is further configured to: the sixth switch 22 is controlled to be opened so as to guide filtered water flowing out from the filtered water outlet of the first filter element 15 to be converged with the water outlet of the front filter element after passing through the rear filter element, then the mixed gas is mixed with the gas to be mixed through the ejector 12 and the gas-liquid mixer 13 to form an acid gas-liquid mixture, and the acid gas-liquid mixture is guided to the first bubble generator 14 to generate acid micro-bubble cleaning water and then flows to the first filter element 15 so as to carry out acid cleaning on the first filter element 15.
Specifically, in this embodiment, when alkaline cleaning is completed, the alkaline cleaning agent in the pre-filter element is in a depleted state and then enters an acidic cleaning mode, the control module controls the first switch 16, the second switch 17, the third switch 18, the fourth switch 19, the fifth switch 21 and the sixth switch 22 to be opened, the gas to be mixed flows to the air inlet of the ejector 12 after passing through the second switch 17 to enter the ejector 12 through the air inlet of the ejector 12, the water source flowing out of the filtered water outlet of the first filter element 15 flows to the water inlet of the post-filter element and flows into the post-filter element through the water inlet of the post-filter element, the acidic cleaning agent is mixed with the acidic cleaning agent in the post-filter element to form acidic cleaning water, the acidic cleaning water flows out of the water outlet of the post-filter element and merges with the water source flowing out of the water outlet of the pre-filter element after passing through the sixth switch 22 and then flows to the water inlet of the ejector 12 after passing through the third switch 18, flows into the ejector 12 through a water inlet of the ejector 12, flows out through an output end of the ejector 12 after the mixed gas and the acidic cleaning water are primarily mixed, flows into the gas-liquid mixer 13 through an input end of the gas-liquid mixer 13, forms an acidic gas-liquid mixture after being fully mixed in the gas-liquid mixer 13, flows out through an output end of the gas-liquid mixer 13, flows to an input end of the first bubbler 14 through a fourth switch 19, flows into the first bubbler 14 through an input end of the first bubbler 14, generates acidic micro-bubble water under the treatment of the first bubbler 14, flows out through an output end of the first bubbler 14, flows into the first filter element 15 through a water inlet of the first filter element 15, and can clean scale deposited on the filtering membrane surface of the first filter element 15 for a long time through the alkaline micro-bubble water, the waste water generated after the washing is discharged from the waste water outlet of the first filter element 15 to the fifth switch 21. Wherein the wastewater may be concentrated water.
Further, in some embodiments of the invention, the control module is further configured to: when the sixth switch 22 is controlled to be turned on, the fifth switch 21 is controlled to be turned off, and when the turn-off time of the fifth switch 21 is longer than or equal to the first preset time period, the fifth switch 21 is controlled to be turned on continuously for the second preset time period, so that the acidic cleaning of the first filter element 15 is completed.
Specifically, in this embodiment, when alkaline cleaning is completed, alkaline cleaning agent in the pre-filter element is in a depleted state and then enters an acidic cleaning mode, the control module controls the first switch 16, the second switch 17, the third switch 18, the fourth switch 19 and the fifth switch 21 to be opened, and the sixth switch 22 to be closed, gas to be mixed flows into the air inlet of the ejector 12 through the second switch 17, so as to enter the ejector 12 through the air inlet of the ejector 12, a water source flowing out of the water outlet of the first filter element 15 flows into the water inlet of the post-filter element through the water inlet of the post-filter element, is mixed with acidic cleaning agent in the post-filter element to form acidic cleaning water, the acidic cleaning water flows out of the water outlet of the post-filter element through the sixth switch 22 and then flows into the water inlet of the ejector 12 through the third switch 18, the gas to be mixed and the acidic cleaning water flows out of the ejector 12 through the water inlet of the ejector 12 after preliminary mixing, flows out of the ejector 12 through the output of the ejector 12, flows into the air mixer 13 through the input end of the air-liquid mixer 13, flows into the first foam mixer 14 through the first mixer 14, the foam mixer 14 through the first input end of the foam mixer 14, the foam mixer 14 is formed, and then can wash the incrustation scale that the filtration membrane surface of first filter core 15 deposited for a long time through acid microbubble water, the drainage after the filtration of first filter core 15 flows to the water inlet of post-positioned filter core from the drainage export of first filter core 15 simultaneously to flow into the post-positioned filter core through the water inlet of post-positioned filter core, with this circulation for a first preset duration, in order to fully wash first filter core 15.
When the closing time of the fifth switch 21 is longer than or equal to the first preset time, the fifth switch 21 is controlled to be continuously opened for the second preset time, scale deposited on the surface of the filtering membrane of the first filter element 15 for a long time is cleaned through acid micro-bubble water, and waste water generated after cleaning continuously discharges after flowing to the fifth switch 21 from a waste water outlet of the first filter element 15. Wherein the wastewater may be concentrated water.
It should be noted that, the value range of the first preset duration may be preferably 20 minutes to 25 minutes, and the value range of the second preset duration may be preferably 5 minutes to 10 minutes.
Further, in some embodiments of the invention, the consumption of cleaning agent in the second filter cartridge 11 is completed at the end of the acidic cleaning phase.
Further, in some embodiments of the present invention, the system further comprises a potable water outlet and a pipeline machine interface, the switch module further comprises a seventh switch 23, an eighth switch 24, and a ninth switch 25, the seventh switch 23 and the eighth switch 24 being connected in series and disposed between the water outlet of the pre-filter element and the water inlet of the first filter element 15, the ninth switch 25 being disposed between the potable water outlet and the water outlet of the post-filter element, the pipeline machine interface being connected to the water outlet of the post-filter element, the control module further being configured to: the first switch 16, the seventh switch 23, the eighth switch 24 and the ninth switch 25 are controlled to be turned on, and the second switch 17, the third switch 18, the fourth switch 19, the fifth switch 21 and the sixth switch 22 are controlled to be turned off so as to guide the water source to be filtered to flow to the pipeline machine interface and the drinking water outlet after being filtered by the front filter element, the first filter element 15 and the rear filter element.
Specifically, in this embodiment, the cleaning agent in the pre-filter and the post-filter is in a depleted state, in the potable water outlet mode, the control module controls the first switch 16, the seventh switch 23, the eighth switch 24 and the ninth switch 25 to be turned on, and the second switch 17, the third switch 18, the fourth switch 19, the fifth switch 21 and the sixth switch 22 to be turned off, and the water source to be filtered flows back through the first switch 16 to the water inlet of the pre-filter to enter the pre-filter through the water inlet of the pre-filter, flows out from the water outlet of the pre-filter under the filtering action of the pre-filter, flows sequentially through the seventh switch 23 and the eighth switch 24 to the water inlet of the first filter 15, and then flows into the first filter 15 through the water inlet of the first filter 15 from the filtered water outlet of the first filter 15 to the water inlet of the post-filter under the filtering action of the first filter 15, flows into the post-filter through the water inlet of the post-filter, flows from the water outlet of the post-filter to the machine interface under the filtering action of the post-filter, and flows through the ninth switch 25. Among them, the seventh switch 23, the eighth switch 24 and the ninth switch 25 may preferably be solenoid valves, and furthermore, the present invention may not specifically limit the types of the seventh switch 23, the eighth switch 24 and the ninth switch 25.
Further, in some embodiments of the present invention, the system further includes a bubble water outlet, the switch module further includes a tenth switch 26, the gas-liquid processing module further includes a second bubbler 27, the tenth switch 26 is connected in series with the second bubbler 27 and is disposed between the output end of the gas-liquid mixer 13 and the bubble water outlet, and the control module is further configured to: the first switch 16, the second switch 17, the third switch 18 and the tenth switch 26 are controlled to be turned on, and the fourth switch 19, the fifth switch 21 and the sixth switch 22 are controlled to be turned off, so that after the water source to be filtered is filtered by the front filter element, the filtered water source to be filtered and the gas to be mixed are mixed by the ejector 12 and the gas-liquid mixer 13 to form a gas-liquid mixture, and the gas-liquid mixture is guided to the second bubbler 27 to generate micro-bubble water and then flows to the bubble water outlet.
Specifically, in this embodiment, the cleaning agent in the pre-filter and the post-filter is in a depleted state, in the bubble water outlet mode, the control module controls the first switch 16, the second switch 17, the third switch 18 and the tenth switch 26 to be opened, and the fourth switch 19, the fifth switch 21 and the sixth switch 22 to be closed, the gas to be mixed flows into the air inlet of the ejector 12 through the second switch 17 to enter the ejector 12 through the air inlet of the ejector 12, the water source to be filtered flows into the water inlet of the pre-filter through the first switch 16 to enter the pre-filter through the water inlet of the pre-filter, flows out from the water outlet of the pre-filter under the filtering action of the pre-filter, flows into the ejector 12 through the water inlet of the third switch 18, flows out through the output end of the ejector 12 after the gas to be mixed and the jet water source after the pre-filter is primarily mixed, flows into the gas-liquid mixer 13 through the input end of the gas-liquid mixer 13, the gas-liquid mixer 13 is fully formed after the gas-liquid mixer 13 flows into the bubbling mixer through the first switch 16, the bubbling device flows out through the second input end of the bubbling device 27, and then flows into the bubbling device 27 through the second input end of the bubbling device 27, and then flows into the bubbling device through the bubbling device 27. The tenth switch 26 may preferably be a solenoid valve, and the present invention may not specifically limit the type of the tenth switch 26.
Further, in some embodiments of the invention, the system further comprises a pressure reducing valve 28 and a booster pump 29, the pressure reducing valve 28 being arranged between the third switch 18 and the water inlet of the ejector 12, the booster pump 29 being arranged between the output of the ejector 12 and the input of the gas-liquid mixer 13.
Further, in some embodiments of the present invention, the system further includes a first check valve 31, a second check valve 32, and a third check valve 33, where an input end of the first check valve 31 is connected to an air inlet of the gas to be mixed through the second switch 17, an output end of the first check valve 31 is connected to an air inlet end of the ejector 12, an input end of the second check valve 32 is connected to a water outlet of the post-filter element, an output end of the second check valve 32 is connected to a drinking water outlet through the ninth switch 25, an output end of the second check valve 32 is further connected to one end of the sixth switch 22, an input end of the third check valve 33 is connected to the other end of the sixth switch 22, and an output end of the third check valve 33 is connected to a water outlet of the pre-filter element.
Specifically, in this embodiment, the first check valve 31 is provided to ensure a flow method of the mixed gas, that is, the gas to be mixed can enter the first check valve 31 only through the input end of the valve of the first check valve 31, and enter the air intake end of the ejector 12 through the output end of the first check valve 31, the second check valve 32 is provided to ensure a flow method of the filtered water source, that is, the filtered water source flowing out of the water outlet of the rear filter element can flow into the second check valve 32 only from the input end of the second check valve 32, and flows to the sixth switch 22 through the output end of the second check valve 32, and the third check valve 33 is provided to ensure a flow method of the filtered water source, that is, the water source flowing through the sixth switch 22 can flow into the third check valve 33 only from the input end of the third check valve 33, and flows to the water outlet of the front filter element through the output end of the third check valve 33. In addition, a high-voltage switch 34 is provided between the second single valve and the ninth switch 25 for powering up the self-cleaning water purification system.
In summary, in one embodiment of the present invention, in the alkaline cleaning mode, the control module controls the first switch 16, the second switch 17, the third switch 18, the fourth switch 19 and the fifth switch 21 to be turned on, and the sixth switch 22, the seventh switch 23, the eighth switch 24 and the ninth switch 25 to be turned off, the gas to be mixed flows through the second switch 17 to the input end of the first one-way valve 31, further flows through the output end of the first one-way valve 31 to the air inlet of the ejector 12 to enter the ejector 12 through the air inlet of the ejector 12, the water to be filtered flows through the first switch 16 to the water inlet of the pre-filter to enter the pre-filter through the water inlet of the pre-filter to be mixed with alkaline cleaning agent in the pre-filter to form alkaline cleaning water, the alkaline cleaning water flows out from the water outlet of the pre-filter and flows through the third switch 18 to the pressure reducing valve 28, under the control of the pressure reducing valve 28, the mixed gas and alkaline cleaning water flow into the water inlet of the ejector 12 through the water inlet of the ejector 12, flow out through the output end of the ejector 12 after being primarily mixed, flow into the booster pump 29 through the output end of the ejector 12, further flow into the input end of the gas-liquid mixer 13 under the action of the booster pump 29, fully mix in the gas-liquid mixer 13 to form an alkaline gas-liquid mixture, flow out through the output end of the gas-liquid mixer 13, flow into the input end of the first bubbler 14 through the fourth switch 19, further flow into the first bubbler 14 through the input end of the first bubbler 14, generate alkaline micro-bubble water under the treatment of the first bubbler 14, and further flow out through the output end of the first bubbler 14, and flows into the first filter element 15 through the water inlet of the first filter element 15, and then organic matters, grease, colloid and other pollutants deposited on the surface of the filtering membrane of the first filter element 15 for a long time can be cleaned through alkaline micro-bubble water, and the waste water generated after cleaning flows into the fifth switch 21 from the waste water outlet of the first filter element 15 and is discharged.
When alkaline cleaning is finished, alkaline cleaning agent in the front filter element is in a depletion state and enters an acid cleaning mode, a control module controls the first switch 16, the second switch 17, the third switch 18, the fourth switch 19 and the sixth switch 22 to be opened, the fifth switch 21, the seventh switch 23, the eighth switch 24 and the ninth switch 25 to be closed, mixed gas flows to the input end of the first one-way valve 31 through the second switch 17 and then flows to the air inlet of the ejector 12 through the output end of the first one-way valve 31 so as to enter the ejector 12 through the air inlet of the ejector 12, water flowing out of the filtered water outlet of the first filter element 15 flows to the water inlet of the rear filter element and flows into the rear filter element through the water inlet of the rear filter element to be mixed with the acid cleaning agent in the rear filter element to form acid cleaning water, and the acid cleaning water flows to the water inlet of the second one-way valve 32 from the water outlet of the rear filter element, and flows into the second check valve 32 through the water inlet of the second check valve 32, flows into the water inlet of the third check valve 33 after flowing through the sixth switch 22 from the water outlet of the second check valve 32, flows into the third check valve 33 through the water inlet of the third check valve 33, so as to be converged with the water source flowing out of the water outlet of the front filter element after flowing out through the water outlet of the third check valve 33, flows into the pressure reducing valve 28 through the third switch 18, flows into the water inlet of the ejector 12 under the control of the pressure reducing valve 28 in a relatively low pressure water flow manner, flows into the ejector 12 through the water inlet of the ejector 12, flows out through the output end of the ejector 12 after the mixed gas and the acidic cleaning water are primarily mixed, flows into the booster pump 29 through the output end of the ejector 12, flows into the input end of the gas-liquid mixer 13 under the booster effect of the booster pump 29, the acid gas-liquid mixture is formed after being fully mixed in the gas-liquid mixer 13, the acid gas-liquid mixture flows out through the output end of the gas-liquid mixer 13 and flows to the input end of the first bubbler 14 through the fourth switch 19, then enters the first bubbler 14 through the input end of the first bubbler 14, acid micro-bubble water is generated under the treatment of the first bubbler 14, thus flows out through the output end of the first bubbler 14 and flows into the first filter element 15 through the water inlet of the first filter element 15, scale deposited on the surface of the filtering membrane of the first filter element 15 for a long time can be cleaned through the acid micro-bubble water, and meanwhile, filtered water of the first filter element 15 flows to the water inlet of the rear filter element from the filtered water outlet of the first filter element 15 to flow into the rear filter element through the water inlet of the rear filter element, so that the circulation is carried out for a first preset time period, and the first filter element 15 is fully cleaned.
When the closing time of the fifth switch 21 is longer than or equal to the first preset time, the fifth switch 21 is controlled to be continuously opened for the second preset time, scale deposited on the surface of the filtering membrane of the first filter element 15 for a long time is cleaned through acid micro-bubble water, and waste water generated after cleaning continuously discharges after flowing to the fifth switch 21 from a waste water outlet of the first filter element 15. At the end of the acidic cleaning phase, the cleaning agent in both the pre-filter and post-filter is in a depleted state.
In the bubble water outlet mode, the cleaning agent in the pre-filter element and the post-filter element are in a depletion state, the control module controls the first switch 16, the second switch 17, the third switch 18 and the tenth switch 26 to be opened, the fourth switch 19, the fifth switch 21, the sixth switch 22, the seventh switch 23, the eighth switch 24 and the ninth switch 25 to be closed, the mixed gas flows to the input end of the first one-way valve 31 after passing through the second switch 17, then flows to the air inlet of the ejector 12 through the output end of the first one-way valve 31, enters the ejector 12 through the air inlet of the ejector 12, the water source to be filtered flows to the water inlet of the pre-filter element after passing through the first switch 16, enters the pre-filter element through the water inlet of the pre-filter element, flows out from the water outlet of the pre-filter element under the filtering action of the pre-filter element, and flows to the pressure reducing valve 28 after passing through the third switch 18, under the control of the pressure reducing valve 28, the mixed gas flows into the water inlet of the ejector 12 in a relatively low pressure water flow mode, the mixed gas enters the ejector 12 through the water inlet of the ejector 12, the water source filtered by the pre-filter element flows out through the output end of the ejector 12 after being primarily mixed, the output end of the ejector 12 flows to the booster pump 29, the mixed gas flows into the input end of the gas-liquid mixer 13 under the boosting action of the booster pump 29, the mixed gas flows into the gas-liquid mixer 13 through the input end of the gas-liquid mixer 13, the mixed gas and liquid are fully mixed in the gas-liquid mixer 13 to form a gas-liquid mixture, the gas-liquid mixture flows out through the output end of the gas-liquid mixer 13 and flows into the input end of the second bubbler 27 through the tenth switch 26, the mixed gas flows into the second bubbler 27 through the input end of the second bubbler 27, and micro-bubble water is generated under the treatment of the second bubbler 27, so as to flow through the output of the second bubbler 27 to the bubbled water outlet.
In the drinking water outlet mode, the cleaning agents in the pre-filter element and the post-filter element are in a depletion state, the control module controls the first switch 16, the seventh switch 23, the eighth switch 24 and the ninth switch 25 to be opened, the second switch 17, the third switch 18, the fourth switch 19, the fifth switch 21 and the sixth switch 22 to be closed, the water source to be filtered flows back to the water inlet of the pre-filter element through the first switch 16 to enter the pre-filter element through the water inlet of the pre-filter element, flows out from the water outlet of the pre-filter element under the filtering action of the pre-filter element, flows into the water inlet of the first filter element 15 through the seventh switch 23, the booster pump 29 and the eighth switch 24, flows into the first filter element 15 through the water inlet of the first filter element 15, flows out of the filtered water outlet of the first filter element 15 to the water inlet of the post-filter element under the filtering action of the first filter element, flows into the post-filter element through the water inlet of the post-filter element, flows out of the water outlet of the post-filter element to the second one-way valve 32 through the second one-way valve 32, flows into the input end of the second one-way valve 32 through the second filter element and the output end of the inlet of the second one-way valve 32 through the second filter element and the ninth filter element through the second one-way valve 32. A high voltage switch 34 is also provided between the second single valve and the ninth switch 25 for powering up the self-cleaning water purification system.
It should be noted that, a water inlet tee 35 is further disposed between the water inlet of the water source to be filtered and the first switch 16, for balancing and adjusting the water flow of the water source to be filtered, and reducing the resistance of the water flow.
In summary, according to the self-cleaning water purification system provided by the embodiment of the invention, the first filter element is cleaned, so that the water quality and the flow of the effluent of the self-cleaning water purification system can be improved, the service life of the filter element is further prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is further improved.
Fig. 3 is a block diagram schematically illustrating a water purifier according to an embodiment of the present invention.
Specifically, as shown in fig. 3, the water purifier 1000 includes the self-cleaning water purification system 100 according to the above-described embodiment of the present invention.
According to the water purifier provided by the embodiment of the invention, the self-cleaning water purifying system is adopted to clean the first filter element, so that the water quality and the flow of the water discharged by the self-cleaning water purifying system can be improved, the service life of the filter element is further prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is further improved.
In addition, other structures and functions of the water purifier according to the embodiments of the present invention are known to those skilled in the art, and are not described herein for redundancy reduction.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, for example, may be considered as a ordered listing of executable instructions for implementing logical functions, and may be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (13)
1. A self-cleaning water purification system, the system comprising:
The filter module comprises a first filter element and a second filter element, wherein the first filter element and the second filter element are both used for filtering a water source to be filtered, and the second filter element is also used for storing cleaning agents;
The gas-liquid treatment module is used for carrying out gas-liquid mixing treatment on the cleaning agent, the water source to be filtered and the gas to be mixed so as to generate micro-bubble cleaning water;
a switch module including a plurality of switches for guiding a generation and circulation direction of the micro bubble washing water;
And the control module is used for controlling the switch module so that the micro-bubble cleaning water flows to the first filter element to clean the first filter element.
2. The self-cleaning water purification system of claim 1, wherein the second filter element comprises a pre-filter element and a post-filter element, the pre-filter element and the post-filter element each comprise a water inlet and a water outlet, and the water inlet of the pre-filter element is connected with the water outlet of the water source to be filtered, the pre-filter element is operable to store an alkaline cleaner, and the post-filter element is operable to store an acidic cleaner.
3. The self-cleaning water purification system according to claim 2, wherein the gas-liquid treatment module comprises a jet device, a gas-liquid mixer and a first bubbler, wherein a water inlet end of the jet device is connected with a water outlet of the pre-filter element, a gas inlet end of the jet device is connected with a gas inlet of the gas to be mixed, an output end of the jet device is connected with an input end of the gas-liquid mixer, an output end of the gas-liquid mixer is connected with an input end of the first bubbler, and an output end of the first bubbler is connected with a water inlet of the first filter element.
4. A self-cleaning water purification system according to claim 3, wherein the first filter element comprises a filtered water outlet and a waste water outlet, the switch module comprises a first switch, a second switch, a third switch, a fourth switch, a fifth switch and a sixth switch, the first switch is arranged between the water outlet of the water source to be filtered and the water inlet of the front filter element, the second switch is arranged between the air outlet of the gas to be mixed and the air inlet end of the jet, the third switch is arranged between the water inlet end of the jet and the water outlet of the front filter element, the fourth switch is arranged between the output end of the gas-liquid mixer and the input end of the first foam generator, the fifth switch is arranged at the waste water outlet of the first filter element, and the sixth switch is arranged between the water outlet of the rear filter element and the fourth switch.
5. The self-cleaning water purification system of claim 4, wherein the control module is specifically configured to:
And controlling the first switch, the second switch, the third switch, the fourth switch and the fifth switch to be opened, and the sixth switch to be closed so as to guide the water source to be filtered through the front filter element, mixing the filtered water source to be filtered and the gas to be mixed by using the ejector and the gas-liquid mixer to form an alkaline gas-liquid mixture, and guiding the alkaline gas-liquid mixture to the first bubbler to generate alkaline micro-bubble cleaning water and then flow to the first filter element so as to perform alkaline cleaning on the first filter element.
6. The self-cleaning water purification system of claim 5, wherein upon completion of the alkaline cleaning, the control module is further configured to:
And controlling the sixth switch to be opened so as to guide filtered water flowing out from a filtered water outlet of the first filter element to pass through the rear filter element and then to be converged with a water outlet of the front filter element, then to be mixed with gas to be mixed to form an acid gas-liquid mixture through the ejector and the gas-liquid mixer, and guiding the acid gas-liquid mixture to the first bubbler to generate acid micro-bubble cleaning water and then to flow to the first filter element so as to carry out acid cleaning on the first filter element.
7. The self-cleaning water purification system of claim 6, wherein the control module is further configured to:
When the sixth switch is controlled to be turned on, the fifth switch is controlled to be turned off, and when the turn-off time of the fifth switch is longer than or equal to the first preset time, the fifth switch is controlled to be continuously turned on for the second preset time, so that the acidic cleaning of the first filter element is completed.
8. The self-cleaning water purification system of claim 7, wherein the consumption of cleaning agent in the second cartridge is completed at the end of the acidic cleaning phase.
9. The self-cleaning water purification system of claim 8, further comprising a potable water outlet and a line machine interface, the switch module further comprising a seventh switch, an eighth switch, and a ninth switch, the seventh switch and the eighth switch being serially connected and disposed between the water outlet of the pre-cartridge and the water inlet of the first cartridge, the ninth switch being disposed between the potable water outlet and the water outlet of the post-cartridge, the line machine interface being connected to the water outlet of the post-cartridge, the control module further configured to:
And controlling the first switch, the seventh switch, the eighth switch and the ninth switch to be turned on, and the second switch, the third switch, the fourth switch, the fifth switch and the sixth switch to be turned off so as to guide the water source to be filtered to flow to the pipeline machine interface and the drinking water outlet after being filtered by the front filter element, the first filter element and the rear filter element.
10. The self-cleaning water purification system of claim 8, further comprising a bubble water outlet, wherein the switch module further comprises a tenth switch, wherein the gas-liquid treatment module further comprises a second bubbler, wherein the tenth switch is serially connected with the second bubbler and then is arranged between the output end of the gas-liquid mixer and the bubble water outlet, and wherein the control module is further configured to:
And controlling the first switch, the second switch, the third switch and the tenth switch to be turned on, and turning off the fourth switch, the fifth switch and the sixth switch to guide the water source to be filtered to pass through the front filter element, mixing the filtered water source to be filtered and the gas to be mixed by using the ejector and the gas-liquid mixer to form a gas-liquid mixture, and guiding the gas-liquid mixture to the second bubbler to generate micro bubble water and then flow to the bubble water outlet.
11. A self-cleaning water purification system as recited in claim 4, further comprising a pressure relief valve and a booster pump, said pressure relief valve being disposed between said third switch and said water inlet end of said eductor, said booster pump being disposed between said eductor output end and said gas-liquid mixer input end.
12. The self-cleaning water purification system according to claim 9, further comprising a first one-way valve, a second one-way valve and a third one-way valve, wherein an input end of the first one-way valve is connected with the air inlet of the gas to be mixed through the second switch, an output end of the first one-way valve is connected with an air inlet end of the ejector, an input end of the second one-way valve is connected with the water outlet of the rear filter element, an output end of the second one-way valve is connected with the drinking water outlet through the ninth switch, an output end of the second one-way valve is further connected with one end of the sixth switch, an input end of the third one-way valve is connected with the other end of the sixth switch, and an output end of the third one-way valve is connected with the water outlet of the front filter element.
13. A water purifier comprising the self-cleaning water purification system of any one of claims 1-12.
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| CN222907628U (en) * | 2024-07-10 | 2025-05-27 | 佛山市美的清湖净水设备有限公司 | Self-cleaning water purification system and water purifier |
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