Whole house ultrafiltration water purifier

Abstract

The utility model relates to a whole-house ultrafiltration water purifier, which comprises an ultrafiltration filter element, a water inlet pipe, a water outlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, a first containing cavity and a second containing cavity are formed in the ultrafiltration cylinder body, the ultrafiltration filter element is installed in the first containing cavity, and the two sides of the ultrafiltration membrane of the ultrafiltration filter element are communicated with the first containing cavity and the second containing cavity respectively; the water inlet is communicated with the first accommodating cavity and is used for inputting raw water into the first accommodating cavity; the straight water port is communicated with the first accommodating cavity and is used for outputting unfiltered raw water in the first accommodating cavity; and the purified water port is communicated with the second accommodating cavity and is used for outputting the purified water in the second accommodating cavity. The problems that a whole-house ultrafiltration water purifier adopting a carbon filtration and sand filtration combined process at present needs a large space, and filter materials are troublesome to replace are mainly solved.

Description

Technical Field

[0001] The present application relates to the technical field of water purifiers, and in particular to a whole-house ultrafiltration water purifier. Background Art

[0002] With the continuous development of the water purification industry, the green physical separation technology with ultrafiltration membrane as the core technology has adopted a water purification mode, a highly automated system operation control, and integrated the most advanced Internet of Things technology and platform integrated management mode.

[0003] In particular, the ultrafiltration water purification technology has no phase change in the treatment process and has no adverse effect on the components of the raw water. The separation, purification and concentration processes are always at room temperature, avoiding the destruction of biologically active substances by high temperature and effectively retaining the biologically active substances and nutrients in the raw water.

[0004] At present, traditional whole-house water purifiers generally use a carbon filter combined with a sand filter process. This type of water purifier requires a relatively large household space and it is troublesome to replace the filter material. Summary of the invention

[0005] The present application mainly solves the problem that the current whole-house ultrafiltration water purifier combining carbon filtration with sand filtration technology requires a large space and is troublesome to replace the filter material.

[0006] In an embodiment of the present application, a whole-house ultrafiltration water purifier is provided, comprising:

[0007] An ultrafiltration filter element, wherein the ultrafiltration filter element comprises an ultrafiltration membrane, and the ultrafiltration membrane is used for filtering raw water to obtain purified water;

[0008] An ultrafiltration cylinder, wherein a first accommodating chamber and a second accommodating chamber are arranged in the ultrafiltration cylinder, the ultrafiltration filter element is installed in the first accommodating chamber, and two sides of the ultrafiltration membrane of the ultrafiltration filter element are respectively connected to the first accommodating chamber and the second accommodating chamber;

[0009] a water inlet, the water inlet being in communication with the first accommodating chamber and being used for inputting raw water into the first accommodating chamber;

[0010] A straight water inlet, the straight water inlet is connected to the first accommodating chamber and is used to output the unfiltered raw water in the first accommodating chamber;

[0011] A purified water inlet is communicated with the second accommodating chamber and is used to output the purified water in the second accommodating chamber.

[0012] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, the ultrafiltration cylinder body includes an ultrafiltration membrane main cylinder and an ultrafiltration membrane cylinder cover, the ultrafiltration membrane main cylinder and the ultrafiltration membrane cylinder cover are detachably sealed and connected, the first accommodating chamber is located in the ultrafiltration membrane main cylinder, and the second accommodating chamber is located in the ultrafiltration membrane cylinder cover;

[0013] A filter plate is disposed at the end of the ultrafiltration filter element. The filter plate is detachably and hermetically connected to the inner wall of the ultrafiltration membrane main cylinder. The filter plate is used to separate the first accommodating chamber from the second accommodating chamber.

[0014] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, a sealing ring is provided between the filter plate and the inner wall of the ultrafiltration membrane main cylinder;

[0015] A hoop is arranged on the outer side of the connection between the ultrafiltration membrane main cylinder and the ultrafiltration membrane cylinder cover, and the hoop is used for detachably connecting the ultrafiltration membrane main cylinder and the ultrafiltration membrane cylinder cover.

[0016] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, the water inlet is connected to the end of the ultrafiltration membrane main cylinder through a water inlet control valve, a connecting pipe and a threaded pipe in sequence;

[0017] The water inlet control valve is used to control whether the water inlet is connected to the first accommodating chamber;

[0018] The threaded tube is connected to the end of the ultrafiltration membrane main tube through threads;

[0019] Both ends of the water inlet are provided with threads, and the water inlet is connected to the water inlet control valve via threads.

[0020] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, the end of the ultrafiltration membrane main cylinder having the water inlet is provided with a lower cover assembly, the water inlet control valve, the connecting pipe and the threaded pipe are all in the lower cover assembly, and the ends of the water inlet and the straight water port both extend out of the outer end surface of the lower cover assembly;

[0021] The lower cover assembly comprises a first lower cover and a second lower cover which are spliced ​​to each other, wherein the first lower cover and the second lower cover are detachably connected via bolts, and the inner side of the second lower cover is detachably connected to the ultrafiltration membrane main cylinder via a second connecting piece.

[0022] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, both ends of the straight-through water port are provided with threads, and the straight-through water port is connected to the end of the ultrafiltration membrane main tube through threads.

[0023] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, a flow meter is provided between the purified water inlet and the second accommodating chamber, and the purified water inlet, the flow meter and the second accommodating chamber are interconnected.

[0024] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, a TDS probe integrated connector is further provided between the flow meter and the second accommodating chamber, and the TDS probe integrated connector is installed at the end of the ultrafiltration membrane main cylinder, and the purified water inlet, the flow meter, the TDS probe integrated connector and the second accommodating chamber are mutually conductive;

[0025] The side wall of the TDS probe integrated connector is connected to one end of the TDS water quality probe quick connector, and the other end of the TDS water quality probe quick connector is connected to a TDS water quality monitoring sensor, which is used to monitor the water quality of the purified water output from the purified water outlet.

[0026] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, an upper cover assembly is provided on the ultrafiltration membrane cartridge cover, the TDS probe integrated connector and the flow meter are both located in the lower cover assembly, and the end of the purified water outlet extends out of the outer end surface of the upper cover assembly;

[0027] The upper cover assembly comprises a first upper cover and a second upper cover which are spliced ​​to each other, wherein the first upper cover and the second upper cover are detachably connected via bolts, and the inner side of the second upper cover is detachably connected to the ultrafiltration membrane cylinder cover via a third connecting piece.

[0028] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, an intermediate cover body is further provided on the side wall of the ultrafiltration membrane main cylinder, and the intermediate cover body is detachably connected to the side wall of the ultrafiltration membrane main cylinder through a first connecting piece.

[0029] According to the whole-house ultrafiltration water purifier of the above-mentioned embodiment, an ultrafiltration filter element with an ultrafiltration membrane is adopted. When raw water flows through the ultrafiltration membrane, the densely distributed nanopores on the surface of the ultrafiltration membrane only allow water and some small molecular substances to pass through, and substances in the raw water that are larger than the membrane pore size are retained, thereby relying on simple green physical separation technology to purify the raw water and obtain high-quality drinking water with a concentration lower than 0.2NTU; in the water purification process, the ultrafiltration membrane uses the pressure difference on both sides of the membrane as the driving force. When raw water with tap water pressure flows through the membrane surface, the clean water is sucked into the tube to achieve screening and filtration. There is no need to increase external power consumption, and power-free operation is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A schematic diagram of the overall structure of the whole-house ultrafiltration water purifier provided in the embodiment of the present application;

[0031] Figure 2 A schematic diagram of the overall structure of the whole-house ultrafiltration water purifier provided in an embodiment of the present application after disassembly;

[0032] Figure 3 An exploded view of a whole-house ultrafiltration water purifier provided in an embodiment of the present application;

[0033] Figure 4 This is a schematic diagram of the cross-sectional structure of the whole-house ultrafiltration water purifier provided in an embodiment of the present application.

[0034] In the figure: 1. first lower cover; 2. middle cover; 3. first upper cover; 4. first connecting piece; 5. first nut; 6. water inlet; 7. water inlet control valve; 8. connecting pipe; 9. threaded pipe; 10. ultrafiltration membrane main cylinder; 11. filter plate; 12. sealing ring; 13. clamp; 14. ultrafiltration membrane cylinder cover; 15. TDS probe integrated connector; 16. flow meter; 17. purified water inlet; 18. second nut; 19. TDS water quality probe quick connector; 20. TDS water quality monitoring sensor; 21. straight water inlet; 22. second lower cover; 23. second connecting piece; 24. third connecting piece; 25. second upper cover; 26. ultrafiltration filter element. DETAILED DESCRIPTION

[0035] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0036] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations. At the same time, the steps or actions in the method description can also be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a required sequence, unless otherwise specified that a certain sequence must be followed.

[0037] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0038] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4In order to solve the problem that the current whole-house ultrafiltration water purifier combining carbon filtration and sand filtration process requires a large space and is troublesome to replace the filter material, an embodiment of the present application provides a whole-house ultrafiltration water purifier, including: an ultrafiltration filter element 26, the ultrafiltration filter element 26 includes an ultrafiltration membrane, the ultrafiltration membrane is used to filter raw water to obtain purified water; an ultrafiltration cylinder, a first accommodating chamber and a second accommodating chamber are arranged in the ultrafiltration cylinder, the ultrafiltration filter element 26 is installed in the first accommodating chamber, and the two sides of the ultrafiltration membrane of the ultrafiltration filter element 26 are connected to the first accommodating chamber and the second accommodating chamber respectively; a water inlet 6, the water inlet 6 is connected to the first accommodating chamber, and is used to input raw water into the first accommodating chamber; a straight water inlet 21, the straight water inlet 21 is connected to the first accommodating chamber, and is used to output the unfiltered raw water in the first accommodating chamber; a purified water inlet 17, the purified water inlet 17 is connected to the second accommodating chamber, and is used to output the purified water in the second accommodating chamber.

[0039] In some embodiments, the material of the ultrafiltration cartridge is food grade 304 stainless steel or engineering plastic.

[0040] In some embodiments, the pore size of the ultrafiltration membrane (UF) ranges from 0.01 to 0.1 μm, which is between microfiltration and nanofiltration. It is mainly used for solid-liquid separation and can effectively remove suspended particles, colloidal proteins, bacteria and viruses in the solution. Compared with microfiltration, the ultrafiltration membrane has a higher molecular weight cutoff, which improves the removal rate of bacteria and viruses. Compared with nanofiltration and reverse osmosis, the ultrafiltration membrane cannot directly intercept and remove ions. It needs to cooperate with the front-end treatment process, or be combined with subsequent nanofiltration and reverse osmosis to remove ions. This can retain trace elements and minerals in the raw water that are beneficial to the human body.

[0041] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, the ultrafiltration cylinder body includes an ultrafiltration membrane main cylinder 10 and an ultrafiltration membrane cylinder cover 14, the ultrafiltration membrane main cylinder 10 and the ultrafiltration membrane cylinder cover 14 are detachably and sealedly connected, the first accommodating chamber is located in the ultrafiltration membrane main cylinder 10, and the second accommodating chamber is located in the ultrafiltration membrane cylinder cover 14; a filter plate 11 is provided at the end of the ultrafiltration filter element 26, the filter plate 11 is detachably and sealedly connected to the inner wall of the ultrafiltration membrane main cylinder 10, and the filter plate 11 is used to separate the first accommodating chamber and the second accommodating chamber.

[0042] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, a sealing ring 12 is arranged between the filter plate 11 and the inner wall of the ultrafiltration membrane main tube 10; a hoop is arranged on the outside of the connection between the ultrafiltration membrane main tube 10 and the ultrafiltration membrane tube cover 14, and the hoop is used to detachably connect the ultrafiltration membrane main tube 10 and the ultrafiltration membrane tube cover 14.

[0043] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, the water inlet 6 is connected to the end of the ultrafiltration membrane main tube 10 through the water inlet control valve 7, the connecting pipe 8 and the threaded tube 9 in sequence; the water inlet control valve 7 is used to control whether the water inlet 6 and the first accommodating chamber are connected; the threaded tube 9 is connected to the end of the ultrafiltration membrane main tube 10 through threads; both ends of the water inlet 6 are provided with threads, and the water inlet 6 and the water inlet control valve 7 are connected by threads.

[0044] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, a lower cover assembly is provided at one end of the ultrafiltration membrane main barrel 10 having a water inlet 6, and the water inlet control valve 7, the connecting pipe 8 and the threaded pipe 9 are all in the lower cover assembly, and the ends of the water inlet 6 and the straight water inlet 21 both extend out of the outer end surface of the lower cover assembly; the lower cover assembly includes a first lower cover 1 and a second lower cover 22 which are spliced ​​with each other, the first lower cover 1 and the second lower cover 22 are detachably connected by bolts, and the inner side of the second lower cover 22 is detachably connected to the ultrafiltration membrane main barrel 10 by a second connecting piece 23.

[0045] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, both ends of the straight water inlet 21 are provided with threads, and the straight water inlet 21 is connected to the end of the ultrafiltration membrane main cylinder 10 through threads.

[0046] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, a flow meter 16 is provided between the purified water inlet 17 and the second accommodating chamber, and the purified water inlet 17, the flow meter 16 and the second accommodating chamber are connected to each other.

[0047] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred solution, a TDS probe integrated connector 15 is also provided between the flow meter 16 and the second accommodating chamber. The TDS probe integrated connector 15 is installed at the end of the ultrafiltration membrane main cylinder 10, and the purified water outlet 17, the flow meter 16, the TDS probe integrated connector 15 and the second accommodating chamber are interconnected; the side wall of the TDS probe integrated connector 15 is connected to one end of the TDS water quality probe quick connector 19, and the other end of the TDS water quality probe quick connector 19 is connected to a TDS water quality monitoring sensor 20, which is used to monitor the water quality of the purified water output from the purified water outlet 17.

[0048] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, an upper cover body assembly is provided on the ultrafiltration membrane cylinder cover 14, the TDS probe integrated connector 15 and the flow meter 16 are both in the lower cover body assembly, and the end of the purified water outlet 17 extends out of the outer end surface of the upper cover body assembly; the upper cover body assembly includes a first upper cover body 3 and a second upper cover body 25 spliced ​​to each other, the first upper cover body 3 and the second upper cover body 25 are detachably connected by bolts, and the inner side of the second upper cover body 25 is detachably connected to the ultrafiltration membrane cylinder cover 14 by a third connecting piece 24.

[0049] In the above-mentioned whole-house ultrafiltration water purifier, as a preferred embodiment, an intermediate cover body 2 is further provided on the side wall of the ultrafiltration membrane main cylinder 10 , and the intermediate cover body 2 is detachably connected to the side wall of the ultrafiltration membrane main cylinder 10 through a first connecting piece 4 .

[0050] In some embodiments, the upper cover body assembly, the middle cover body 2 and the lower cover body assembly are all ABS appearance parts, which are mainly fastened by snap-fit ​​and screws. This part is not often disassembled, and it is more secure to fasten it with screws; the middle cover body 2 needs to be disassembled, so the first connecting piece 4 is adsorbed with a magnet to make it easier to disassemble.

[0051] In some embodiments, the first connecting piece 4, the second connecting piece 23 and the third connecting piece 24 are all made of sheet metal.

[0052] In some embodiments, the threaded pipe 9, the TDS probe integrated connector 15 and the straight water inlet 21 are all customized pipe thread parts, which all need to be welded on the parts to ensure sealing. The pipe thread parts connected to them do not need to use raw tape, and only need to tighten the connected threaded parts, which makes assembly simpler and convenient for batch operation; the water inlet assembly is connected to the ultrafiltration membrane main tube 10 through the water inlet 6, the water inlet control valve 7, and the connecting pipe 8. The connecting pipe 8 has a flexible thread that can adjust the angle of the electric valve of the water inlet control valve 7. The water inlet passes through the electric valve to control the switch of the water inlet.

[0053] When cleaning the ultrafiltration filter element 26, only the clamp 13 needs to be removed, and the ultrafiltration filter element 26 can be taken out for cleaning, which is convenient and quick.

[0054] Those skilled in the art will appreciate that all or part of the functions of the various methods in the above-mentioned embodiments can be implemented by hardware or by computer programs. When all or part of the functions in the above-mentioned embodiments are implemented by computer programs, the program can be stored in a computer-readable storage medium, and the storage medium can include: read-only memory, random access memory, disk, optical disk, hard disk, etc., and the program is executed by a computer to implement the above-mentioned functions. For example, the program is stored in the memory of the device, and when the program in the memory is executed by the processor, all or part of the above-mentioned functions can be implemented. In addition, when all or part of the functions in the above-mentioned embodiments are implemented by computer programs, the program can also be stored in a storage medium such as a server, another computer, disk, optical disk, flash disk or mobile hard disk, and can be downloaded or copied and saved in the memory of the local device, or the system of the local device is updated, and when the program in the memory is executed by the processor, all or part of the functions in the above-mentioned embodiments can be implemented.

[0055] The above specific examples are used to illustrate the present application, which is only used to help understand the present application and is not intended to limit the present application. For technicians in the technical field to which the present application belongs, they can also make some simple deductions, deformations or substitutions based on the ideas of the present application.

Claims

1. A whole-house ultrafiltration water purifier, characterized in that: include: An ultrafiltration filter element, wherein the ultrafiltration filter element comprises an ultrafiltration membrane, and the ultrafiltration membrane is used for filtering raw water to obtain purified water; An ultrafiltration cylinder, wherein a first accommodating chamber and a second accommodating chamber are arranged in the ultrafiltration cylinder, the ultrafiltration filter element is installed in the first accommodating chamber, and two sides of the ultrafiltration membrane of the ultrafiltration filter element are respectively connected to the first accommodating chamber and the second accommodating chamber; a water inlet, the water inlet being in communication with the first accommodating chamber and being used for inputting raw water into the first accommodating chamber; A straight water inlet, the straight water inlet is connected to the first accommodating chamber and is used to output the unfiltered raw water in the first accommodating chamber; A purified water inlet is communicated with the second accommodating chamber and is used to output the purified water in the second accommodating chamber.

2. The whole-house ultrafiltration water purifier according to claim 1, characterized in that: The ultrafiltration cylinder body comprises an ultrafiltration membrane main cylinder and an ultrafiltration membrane cylinder cover, the ultrafiltration membrane main cylinder and the ultrafiltration membrane cylinder cover are detachably and hermetically connected, the first accommodating chamber is located in the ultrafiltration membrane main cylinder, and the second accommodating chamber is located in the ultrafiltration membrane cylinder cover; A filter plate is disposed at the end of the ultrafiltration filter element. The filter plate is detachably and hermetically connected to the inner wall of the ultrafiltration membrane main cylinder. The filter plate is used to separate the first accommodating chamber from the second accommodating chamber.

3. The whole-house ultrafiltration water purifier according to claim 2, characterized in that: A sealing ring is provided between the filter plate and the inner wall of the ultrafiltration membrane main cylinder; A hoop is arranged on the outer side of the connection between the ultrafiltration membrane main cylinder and the ultrafiltration membrane cylinder cover, and the hoop is used for detachably connecting the ultrafiltration membrane main cylinder and the ultrafiltration membrane cylinder cover.

4. The whole-house ultrafiltration water purifier according to claim 2, characterized in that: The water inlet is connected to the end of the ultrafiltration membrane main tube through a water inlet control valve, a connecting pipe and a threaded pipe in sequence; The water inlet control valve is used to control whether the water inlet is connected to the first accommodating chamber; The threaded tube is connected to the end of the ultrafiltration membrane main tube through threads; Both ends of the water inlet are provided with threads, and the water inlet is connected to the water inlet control valve via threads.

5. The whole-house ultrafiltration water purifier according to claim 4, characterized in that: A lower cover assembly is provided at one end of the ultrafiltration membrane main cylinder having the water inlet, the water inlet control valve, the connecting pipe and the threaded pipe are all located in the lower cover assembly, and the ends of the water inlet and the straight water port both extend out of the outer end surface of the lower cover assembly; The lower cover assembly comprises a first lower cover and a second lower cover which are spliced ​​to each other, wherein the first lower cover and the second lower cover are detachably connected via bolts, and the inner side of the second lower cover is detachably connected to the ultrafiltration membrane main cylinder via a second connecting piece.

6. The whole-house ultrafiltration water purifier according to claim 2, characterized in that: Both ends of the straight-through water port are provided with threads, and the straight-through water port is connected to the end of the ultrafiltration membrane main tube through threads.

7. The whole-house ultrafiltration water purifier according to claim 5, characterized in that: A flow meter is provided between the purified water inlet and the second accommodating chamber, and the purified water inlet, the flow meter and the second accommodating chamber are connected to each other.

8. The whole-house ultrafiltration water purifier according to claim 7, characterized in that: A TDS probe integrated connector is also provided between the flow meter and the second accommodating chamber, and the TDS probe integrated connector is installed at the end of the ultrafiltration membrane main cylinder, and the purified water inlet, the flow meter, the TDS probe integrated connector and the second accommodating chamber are mutually connected; The side wall of the TDS probe integrated connector is connected to one end of the TDS water quality probe quick connector, and the other end of the TDS water quality probe quick connector is connected to a TDS water quality monitoring sensor, which is used to monitor the water quality of the purified water output from the purified water outlet.

9. The whole-house ultrafiltration water purifier according to claim 8, characterized in that: An upper cover assembly is provided on the ultrafiltration membrane cylinder cover, the TDS probe integrated connector and the flow meter are both located in the lower cover assembly, and the end of the purified water outlet extends out of the outer end surface of the upper cover assembly; The upper cover assembly comprises a first upper cover and a second upper cover which are spliced ​​to each other, wherein the first upper cover and the second upper cover are detachably connected via bolts, and the inner side of the second upper cover is detachably connected to the ultrafiltration membrane cylinder cover via a third connecting piece.

10. The whole-house ultrafiltration water purifier according to claim 2, characterized in that: An intermediate cover body is also arranged on the side wall of the ultrafiltration membrane main cylinder, and the intermediate cover body is detachably connected to the side wall of the ultrafiltration membrane main cylinder through a first connecting piece.

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