CN106082517B - Filtering system and water purifying and drinking machine with same - Google Patents

Abstract

The invention provides a filtering system and a water purifying and drinking machine with the same, wherein the filtering system comprises a water inlet part, a filtering part and a water storage part which are sequentially communicated, and the water storage part comprises: a water storage tank; the water outlet pipe is arranged on the water storage tank; and the sterilization assembly is arranged on the water outlet pipe. The technical scheme of the invention solves the problem that the purified drinking machine in the prior art is easy for users to drink polluted water.

Description

Filtering system and water purifying and drinking machine with same

Technical Field

The invention relates to the technical field of water purifying equipment, in particular to a filtering system and a water purifying and drinking machine with the same.

Background

In the prior art, all the water purifying and drinking equipment with a water tank and a refrigerating assembly relate to a problem that cannot be effectively solved, and in particular, when raw water is filtered, after the raw water is stored in the water purifying tank and a rear-end pipeline for a period of time, bacteria can be re-bred due to environmental and pollution and other reasons. If the water path is not filtered again, the user directly drinks the normal-temperature water and cold water flowing out of the water purifying tank or the refrigerating assembly, and the water polluted by bacteria can be drunk, so that the health of the user is affected.

Disclosure of Invention

The invention mainly aims to provide a filtering system and a clean water dispenser with the same, so as to solve the problem that the clean water dispenser in the prior art is easy for users to drink polluted water.

In order to achieve the above object, according to one aspect of the present invention, there is provided a filtration system including a water inlet portion, a filtration portion, and a water storage portion which are sequentially communicated, the water storage portion including: a water storage tank; the water outlet pipe is arranged on the water storage tank; and the sterilization assembly is arranged on the water outlet pipe.

Further, the sterilization assembly includes an ultraviolet lamp.

Further, the sterilization assembly includes: the first water pump is arranged on the water outlet pipe; the filter element is arranged in the water outlet pipe.

Further, the outlet pipe includes first outlet pipe and second outlet pipe, and first outlet pipe and second outlet pipe all set up on the storage water tank, and water storage portion still includes: the heating component is arranged on the first water outlet pipe; and the refrigeration assembly is arranged on the second water outlet pipe, and the sterilization assembly is arranged on the second water outlet pipe.

Further, the water inlet part comprises a water inlet tank which is communicated with the water storage tank through a first pipeline, the filtering part is arranged on the first pipeline, and the filtering system further comprises a first control valve which is arranged on the first pipeline and is positioned between the water inlet tank and the filtering part.

Further, the water inlet tank includes: the water inlet pipe and the water level detection device are arranged on the detection water tank; the original water tank is communicated with the detection water tank through a second pipeline, the first pipeline is communicated with the original water tank, and a filtering structure is arranged at a water outlet of the original water tank.

Further, the filter part comprises a filter and a second water pump, the filter comprises a first filter and a second filter which are arranged in series, and the second water pump is arranged on the first pipeline and is positioned between the first filter and the second filter.

Further, the filter also comprises a third filter and a fourth filter which are connected in parallel and then communicated with the second filter and the water storage tank.

Further, the filtering part further comprises a first one-way valve, and the first one-way valve is arranged on the first pipeline and is positioned at the downstream of the third filter and the fourth filter.

Further, the filtration system further includes a wastewater treatment section including: a waste water tank; and the waste water tank is communicated with the filter through the third pipeline.

Further, the wastewater treatment section further includes: and the two ends of the fourth pipeline are respectively connected to the third pipeline and the first pipeline, a second one-way valve is arranged on the fourth pipeline, wherein the joint of the fourth pipeline and the first pipeline is positioned between the first filter and the first control valve, the wastewater treatment part further comprises a second control valve, and the second control valve is arranged on the third pipeline and positioned between the wastewater tank and the joint of the fourth pipeline and the third pipeline.

Further, a waste water ratio control valve is also arranged on the fourth pipeline.

Further, the wastewater treatment section further includes: and the third control valve is arranged on the third pipeline and is positioned between the second control valve and the wastewater tank.

Further, the wastewater treatment section further includes: and the first end of the fifth pipeline is connected to the third pipeline and positioned between the second control valve and the third control valve, the second end of the fifth pipeline is communicated with the water inlet tank, and the fifth pipeline is provided with a third one-way valve.

Further, the wastewater treatment section further includes: and a sixth pipeline, wherein a first end of the sixth pipeline is connected to the third pipeline and is positioned between the second control valve and the third control valve, and a second end of the sixth pipeline forms a discharge end.

According to another aspect of the present invention, there is provided a water purifying beverage machine comprising a filtration system, the filtration system being the filtration system described above.

By applying the technical scheme of the invention, the water outlet pipe is provided with the sterilization component. After raw water is filtered by the filtering part and stored for a period of time in the water storage part, even if purified water is polluted, the purified water can be further sterilized through the sterilizing component when discharged from the water outlet pipe, so that a user can drink clean water which is not polluted all the time. Therefore, the technical scheme of the invention solves the problem that the purified drinking machine in the prior art is easy for users to drink polluted water.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 shows a schematic diagram of a first embodiment of a filtration system according to the present invention; and

fig. 2 shows a schematic structural view of a sterilizing assembly of a second embodiment of a filter system according to the present invention.

Wherein the above figures include the following reference numerals:

10. a water inlet part; 11. a water inlet tank; 111. detecting a water tank; 112. a water inlet pipe; 113. a water level detecting device; 114. a raw water tank; 115. a filtering structure; 12. a second pipeline; 20. a filtering part; 21. a filter; 211. a first filter; 212. a second filter; 213. a third filter; 214. a fourth filter; 22. a second water pump; 23. a first one-way valve; 30. a water storage part; 31. a water storage tank; 32. a water outlet pipe; 321. a first water outlet pipe; 322. a second water outlet pipe; 33. a sterilization assembly; 331. a first water pump; 332. a filter element; 34. a heating assembly; 35. a refrigeration assembly; 40. a first pipeline; 50. a first control valve; 60. a wastewater treatment section; 61. a waste water tank; 62. a third pipeline; 63. a fourth pipeline; 631. a waste water ratio control valve; 632. a second one-way valve; 64. a second control valve; 65. a third control valve; 66. a fifth pipeline; 661. a third one-way valve; 67. and a sixth pipeline.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

As shown in fig. 1, the filtering system of the first embodiment includes a water inlet portion 10, a filtering portion 20 and a water storage portion 30 which are sequentially communicated, wherein the water storage portion 30 includes a water storage tank 31, a water outlet pipe 32 and a sterilizing assembly 33. The water outlet pipe 32 is arranged on the water storage tank 31, and the sterilization assembly 33 is arranged on the water outlet pipe 32.

By applying the technical scheme of the embodiment, a sterilizing component 33 is arranged on the water outlet pipe 32. After the raw water is filtered by the filtering part 20 and stored in the water storage part 30 for a certain period, even if the purified water is polluted, the purified water can be further sterilized by the sterilizing unit 33 when discharged from the water outlet pipe 32, so that the user can drink clean water without pollution all the time. Therefore, the technical proposal of the embodiment solves the problem that the clean drinking machine in the prior art easily enables users to drink polluted water.

In the first embodiment, the sterilization module 33 includes an ultraviolet lamp. In particular, the ultraviolet lamp can effectively kill bacteria in water. Of course, the sterilization assembly 33 may have other structures, such as ozone, ionization, and an LED ultraviolet lamp. The specific configuration of sterilization assembly 33 can be selected by those skilled in the art based on the actual operating requirements.

As shown in fig. 1, in the technical solution of the first embodiment, the water outlet pipe 32 includes a first water outlet pipe 321 and a second water outlet pipe 322, specifically, the first water outlet pipe 321 and the second water outlet pipe 322 are both disposed on the water storage tank 31, and the water storage portion 30 further includes a heating component 34 and a refrigerating component 35. Wherein the heating assembly 34 is disposed on the first water outlet pipe 321, the refrigerating assembly 35 is disposed on the second water outlet pipe 322, and wherein the sterilizing assembly 33 is disposed on the second water outlet pipe 322. The reason for providing the above structure is that the water flowing out of the first water outlet pipe 321 is sterilized after being heated by the heating assembly 34, and at the same time, the cooling assembly 35 cannot perform a sterilizing effect on the water, so that it is preferable that the sterilizing assembly 33 is provided on the second water outlet pipe 322. Specifically, in the present embodiment, the heating assembly 34 can perform effective sterilization after heating the purified water, so that the sterilization assembly 33 is not required to be provided on the first water outlet pipe 321 in the present embodiment, thereby saving the equipment cost. Of course, the sterilization assembly 33 may be disposed on the first water outlet pipe 321, so as to absolutely ensure that the user drinks clean water.

As shown in fig. 1, in the first embodiment, the water inlet 10 includes a water inlet tank 11, and the water inlet tank 11 is connected to a water storage tank 31 through a first pipe 40. The filter portion 20 is disposed on the first pipe 40, and the filter system further includes a first control valve 50 disposed on the first pipe 40 and located between the inlet tank 11 and the filter 21. Specifically, tap water enters the first pipeline 40 after entering the water inlet tank 11, is filtered by the filtering part 20 in the process of flowing through the first pipeline 40, and the filtered clean water flows into the water storage tank 31 for storage.

As shown in fig. 1, in the first embodiment, the water inlet tank 11 includes a detection tank 111 and a raw water tank 114. Wherein, be provided with inlet tube 112 and water level detection device 113 on the detection water tank 111, former water tank 114 passes through second pipeline 12 and detects water tank 111 intercommunication, and first pipeline 40 and former water tank 114 intercommunication are provided with filtering structure 115 in the delivery port department of former water tank 114. Specifically, the detection water tank 111 and the raw water tank 114 are both horizontally placed and flush with each other. The second pipeline 12 is arranged at the bottoms of the detection water tank 111 and the raw water tank 114. One end of the second pipeline 12 is connected to the bottom wall of the detection water tank 111, and the second end is connected to the bottom wall of the raw water tank 114. The above structure makes the detection water tank 111 and the raw water tank 114 form a communicating vessel structure, that is, the liquid levels of the detection water tank 111 and the raw water tank 114 are always level. The water level detection device 113 and the float switch are arranged in the detection water tank 111, and the water level in the original water tank 114 can be known by monitoring the water level in the detection water tank 111. Meanwhile, since the original water tank 114 is not provided with a corresponding water level monitoring structure, the original water tank 114 can be conveniently detached, thereby being convenient for cleaning. The filtering structure 115 is a steel mesh.

As shown in fig. 1, in the first embodiment, the filtering unit 20 includes a filter 21 and a second water pump 22, the filter 21 includes a first filter 211 and a second filter 212 that are disposed in series, and the second water pump 22 is disposed on the first pipeline 40 and between the first filter 211 and the second filter 212. Specifically, the second water pump 22 is used to provide negative pressure to the raw water in the raw water tank 114, thereby allowing the raw water to flow into the filter 21. Meanwhile, in order to prevent the second water pump 22 from being damaged by large-particle impurities in the raw water, the raw water passes through the first filter 211 before entering the second water pump 22, thereby ensuring the working stability of the second water pump 22.

As shown in fig. 1, in the first embodiment, the filter 21 further includes a third filter 213 and a fourth filter 214, and the third filter 213 and the fourth filter 214 are connected in parallel and then communicate with the second filter 212 and the water tank 31. Specifically, the third filter 213 and the fourth filter 214 may be connected in parallel to increase the flow rate of the purified water, thereby improving the filtering efficiency of the filtering system. Of course, the third filter 213 and the fourth filter 214 may be disposed in series.

As shown in fig. 1, in the solution of the first embodiment, the filtering portion 20 further includes a first check valve 23, and the first check valve 23 is disposed on the first pipeline 40 and is located downstream of the third filter 213 and the fourth filter 214. Specifically, the first check valve 23 is disposed on the main line of the first pipe 40 and downstream of the third filter 213 and the fourth filter 214. The structure ensures that the filtered purified water does not flow back.

As shown in fig. 1, in the embodiment of the first embodiment, the filtration system further includes a wastewater treatment section 60, and the wastewater treatment section 60 includes a wastewater tank 61 and a third pipe 62, and the wastewater tank 61 communicates with the filter 21 through the third pipe 62. Specifically, the wastewater filtered by the filter 21 enters the wastewater tank 61 through the third pipe 62. In the present embodiment, one end of the third pipe 62 communicates with the wastewater tank 61, and the other end communicates with the third filter 213 and the fourth filter 214.

As shown in fig. 1, in the solution of the first embodiment, the wastewater treatment unit 60 further includes a fourth pipeline 63, two ends of the fourth pipeline 63 are connected to the third pipeline 62 and the first pipeline 40, and a second check valve 632 is disposed on the fourth pipeline 63. Wherein, the junction of the fourth pipeline 63 and the first pipeline 40 is located between the first filter 211 and the first control valve 50, the wastewater treatment part 60 further comprises a second control valve 64, and the second control valve 64 is arranged on the third pipeline 62 and is located between the wastewater tank 61 and the junction of the fourth pipeline 63 and the third pipeline 62. With the above structure, part of the wastewater may flow back to the first pipe 40 through the fourth pipe 63 and re-enter the first filter 211 to be filtered. At the same time, by controlling the second control valve 64, it is determined whether or not the wastewater enters the wastewater tank 61

As shown in fig. 1, in the first embodiment, the fourth pipe 63 is further provided with a waste water ratio control valve 631. The waste water ratio control valve 631 can regulate the flow rate of waste water flowing into the fourth pipe 63, thereby controlling the flow rate of waste water flowing into the filter 21.

As shown in fig. 1, in the solution of the first embodiment, the wastewater treatment unit 60 further includes a third control valve 65, and the third control valve 65 is disposed on the third pipeline 62 and between the second control valve 64 and the wastewater tank 61. The wastewater treatment section 60 further includes a fifth pipe 66, a first end of the fifth pipe 66 is connected to the third pipe 62 and located between the second control valve 64 and the third control valve 65, a second end of the fifth pipe 66 is communicated with the water inlet tank 11, and a third check valve 661 is provided on the fifth pipe 66. Specifically, when the waste water tank 61 is full and the fourth pipe 63 is blocked, waste water can be introduced into the original water tank through the fifth pipe 66, thereby ensuring the stability of the system. Meanwhile, when the user is inconvenient to pour the waste water in the waste water tank, the water purifier can be continuously used.

As shown in fig. 1, in the solution of the present embodiment, the wastewater treatment unit 60 further includes a sixth pipeline 67, wherein a first end of the sixth pipeline 67 is connected to the third pipeline 62 and is located between the second control valve 64 and the third control valve 65, and a second end of the sixth pipeline 67 forms a discharge end. The waste water can be directly discharged to the outside through the sixth pipe 67.

As shown in fig. 2, the second embodiment and the first embodiment of the filtration system according to the present application differ only in that the sterilization module 33 includes a first water pump 331 and a filter element 332. The first water pump 331 is disposed on the water outlet pipe 32, and the filter element 332 is disposed in the water outlet pipe 32. The first water pump 331 described above makes the water pressure satisfy the pressure requirement of the filter element 332. The disadvantage of the scheme of the second embodiment is that the filter element 332 is matched with the first water pump 331 to perform filtering and purifying again, so that the volume of the purified water dispenser is increased, and the noise of the whole dispenser is increased due to the use of the first water pump 331, so that the user experience is affected.

The application also provides a clean water dispenser, and an embodiment of the clean water dispenser according to the application comprises a filter system, wherein the filter system is the filter system.

According to the structure, the water purifying and drinking machine has the following characteristics and effects:

the water purifying and drinking machine is characterized in that a tap water inlet is used for feeding water, a float switch is used for controlling the high water level of a raw water tank and a detection water tank, the low water level in the detection water tank is detected by a water level detection device, and raw water TDS is detected by a raw water TDS detection device. Raw water in the detection water tank is detachably connected to the raw water tank through the communication port, and the raw water enters the filtering system through the water inlet electromagnetic valve. The filtering system consists of a first-stage filtering component, a pressure stabilizing pump, a second-stage filtering component, a third-stage filtering component and a fourth-stage filtering component. Pure water from the filtering system enters the clean water tank for storage through the one-way valve and the pure water TDS detection device for detecting the TDS value of the pure water, and the water level detection device is used for detecting the water level in the clean water tank. The purified water in the purified water tank enters the heating component for heating on one hand and enters the refrigerating component for refrigerating on the other hand, and flows into the sterilizing component through the water inlet electromagnetic valve and flows out of the whole machine. The waste water from the filtering system flows back to the filtering system along the waste water proportioner and the one-way valve or is discharged along the other three waterways through the waste water ratio electromagnetic valve, and the first waterway is directly discharged out of the whole machine along the concentrated water outlet; the second strip enters a concentrated water tank along the water inlet electromagnetic valve, and the water level in the concentrated water tank is detected by a water level detection device; and thirdly, when the concentrated water outlet is blocked, and the concentrated water tank is also full, the concentrated water can enter the detection water tank along the one-way valve, so that the whole machine can be continuously used when a user is inconvenient to pour the concentrated water in the concentrated water tank.

After tap water is filtered and purified, the purified water does not contain bacteria, but when the purified water is stored in a purified water tank and a refrigerating assembly, bacteria can grow after the purified water is stored for a certain time due to the reasons of proper environment, pollution to pipelines and the like. When a user takes water, the purified water with bacteria can flow out of the water outlet nozzle to the user, and the user can drink the purified water after secondary pollution. Through at clean water machine filtration system rear end, water outlet front end of warm water and cold water uses the subassembly that disinfects, makes the water that stores at water tank and refrigeration subassembly behind the filtration clean system can pass through the subassembly that disinfects when flowing out the faucet that disinfects, and the really clean water that makes the user drink at last.

The application point of the application is as follows: through at the filtration system rear end of clean drink machine, water and cold water play water injection well choke front end, use the subassembly that disinfects to disinfect immediately, make after filtering clean system store at clean water tank and refrigeration subassembly water when the play water injection well choke supplies the user to drink, can effectively avoid the user to drink the clean water through secondary pollution to really clean, reliable drinking water is obtained.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A filtration system comprising a water inlet portion (10), a filtration portion (20) and a water storage portion (30) in communication in sequence, the water storage portion (30) comprising:

a water storage tank (31);

a water outlet pipe (32) arranged on the water storage tank (31);

a sterilization assembly (33) arranged on the water outlet pipe (32);

the water inlet part (10) comprises a water inlet tank (11), the water inlet tank (11) is communicated with the water storage tank (31) through a first pipeline (40), the filtering part (20) is arranged on the first pipeline (40), and the filtering system further comprises a first control valve (50) which is arranged on the first pipeline (40) and is positioned between the water inlet tank (11) and the filtering part (20);

the water inlet tank (11) comprises:

a detection water tank (111), wherein a water inlet pipe (112) and a water level detection device (113) are arranged on the detection water tank (111);

the water tank device comprises a raw water tank (114), wherein the raw water tank (114) is communicated with the detection water tank (111) through a second pipeline (12), the first pipeline (40) is communicated with the raw water tank (114), and a filtering structure (115) is arranged at a water outlet of the raw water tank (114);

the filter unit (20) comprises a filter (21);

the filtration system further comprises a wastewater treatment section (60), the wastewater treatment section (60) comprising:

a waste water tank (61);

a third pipe (62), through which the wastewater tank (61) communicates with the filter (21);

the second pipeline (12) is arranged at the bottom of the detection water tank (111) and the original water tank (114), one end of the second pipeline (12) is connected to the bottom wall of the detection water tank (111), the second end of the second pipeline (12) is connected to the bottom wall of the original water tank (114), so that the detection water tank (111) and the original water tank (114) form a communicating vessel structure, the liquid levels of the detection water tank (111) and the original water tank (114) are always level, the water level in the original water tank (114) can be known by monitoring the water level in the detection water tank (111), a water level monitoring structure is not arranged in the original water tank (114), and the original water tank (114) is convenient to detach and clean.

2. The filtration system of claim 1, wherein the sterilization assembly (33) comprises an ultraviolet lamp.

3. The filtration system of claim 1, wherein the sterilization assembly (33) comprises:

a first water pump (331) disposed on the water outlet pipe (32);

and the filter element (332) is arranged in the water outlet pipe (32).

4. A filtration system according to any one of claims 1 to 3, wherein the outlet pipe (32) comprises a first outlet pipe (321) and a second outlet pipe (322), the first outlet pipe (321) and the second outlet pipe (322) being both arranged on the water storage tank (31), the water storage section (30) further comprising:

a heating assembly (34) disposed on the first outlet pipe (321);

a refrigeration component (35) arranged on the second water outlet pipe (322),

wherein the sterilization assembly (33) is arranged on the second water outlet pipe (322).

5. The filtration system of claim 1, wherein the filter section (20) further comprises a second water pump (22), the filter (21) comprising a first filter (211) and a second filter (212) arranged in series, the second water pump (22) being arranged on the first conduit (40) between the first filter (211) and the second filter (212).

6. The filtration system of claim 5, wherein the filter (21) further comprises a third filter (213) and a fourth filter (214), the third filter (213) and the fourth filter (214) being in parallel connection with the second filter (212) and the water storage tank (31).

7. The filtration system of claim 6, wherein the filter portion (20) further comprises a first one-way valve (23), the first one-way valve (23) being disposed on the first conduit (40) downstream of the third filter (213) and the fourth filter (214).

8. The filtration system of claim 5, wherein the wastewater treatment section (60) further comprises:

a fourth pipeline (63), two ends of the fourth pipeline (63) are respectively connected to the third pipeline (62) and the first pipeline (40), a second one-way valve (632) is arranged on the fourth pipeline (63),

wherein the junction of the fourth pipeline (63) and the first pipeline (40) is located between the first filter (211) and the first control valve (50), the wastewater treatment part (60) further comprises a second control valve (64), and the second control valve (64) is arranged on the third pipeline (62) and is located between the wastewater tank (61) and the junction of the fourth pipeline (63) and the third pipeline (62).

9. The filtration system of claim 8, wherein the fourth conduit (63) is further provided with a waste water ratio control valve (631).

10. The filtration system of claim 8, wherein the wastewater treatment section (60) further comprises:

and a third control valve (65) arranged on the third pipeline (62) and positioned between the second control valve (64) and the wastewater tank (61).

11. The filtration system of claim 10, wherein the wastewater treatment section (60) further comprises:

and a fifth pipeline (66), wherein a first end of the fifth pipeline (66) is connected to the third pipeline (62) and is positioned between the second control valve (64) and the third control valve (65), a second end of the fifth pipeline (66) is communicated with the water inlet tank (11), and a third one-way valve (661) is arranged on the fifth pipeline (66).

12. The filtration system of claim 10, wherein the wastewater treatment section (60) further comprises:

-a sixth conduit (67), a first end of the sixth conduit (67) being connected to the third conduit (62) and being located between the second control valve (64) and the third control valve (65), a second end of the sixth conduit (67) forming a discharge end.

13. A water purification dispenser comprising a filtration system, wherein the filtration system is the filtration system of any one of claims 1 to 12.

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