Water purifying device

Abstract

The utility model discloses a water purifying device which comprises an outer shell and a water storage cavity, the water storage cavity is arranged in the outer shell, a filter screen layer, a porous filter layer and a cationic resin filter layer are sequentially arranged on the outer side of the water storage cavity, a disinfection cavity is arranged outside the cationic resin filter layer, and a water outlet is formed in the outer side of the disinfection cavity. An ultraviolet generating device capable of emitting ultraviolet rays into the disinfection cavity is arranged in the disinfection cavity, and a water outlet device for fixing the cationic resin filter layer and shielding the ultraviolet rays is arranged outside the cationic resin filter layer. According to the water purification device, when the filtered water passes through the disinfection cavity to be disinfected, the water outlet device for fixing the cationic resin filter layer and shielding ultraviolet rays is arranged outside the cationic resin filter layer, so that the ultraviolet rays can be prevented from irradiating the cationic resin filter layer to age the cationic resin filter layer during disinfection; the water purifying device is simple in structure, easy to install, long in service life and suitable for popularization and application, and the working condition of the water purifying device is easy to check.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment devices, and more specifically, to a water purification device. Background Art

[0002] With the continuous development of society, people's living standards are constantly improving, and the requirements for water quality are gradually increasing. Although the tap water for daily drinking has undergone a variety of cleaning, sterilization and disinfection methods during treatment, and can meet the national health standards after factory water quality testing, it is difficult to guarantee the water quality at the user end after a long time and long distance transportation. The specific reasons are multifaceted. For example, tap water flows into thousands of households through long pipes and secondary pressurized water tanks. Before flowing into households, the long pipes pass through complex terrain and roads. Some pipes are in disrepair for a long time, and some water pipes cross sewage pipes, posing a risk of pollution. In addition, leakage around some water pipes and the inability to frequently clean and disinfect the secondary pressurized water tanks in the community, as well as rust in the water pipes and many other reasons will cause secondary pollution to the water quality. As a result, the water quality at the tap water user end is difficult to guarantee, and secondary treatment is required.

[0003] A water purifier is an effective water purification device for treating water quality. Existing water purifiers generally include functions such as filtration, ion exchange and ultraviolet disinfection. Generally, it is necessary to disinfect the water body after filtration and ion exchange with ultraviolet rays. However, when ultraviolet rays disinfect the filtered water body, they will also radiate on the ion exchange filter layer. For the ion resin commonly used in the water purifier, it is easy to be irradiated by ultraviolet rays, solidify, and destroy the chemical bonds inside the resin, thereby affecting its service life and function. For example, the Chinese utility model patent with patent announcement number CN217265259U discloses a water purifier with sterilization and disinfection functions. The water purifier includes a fixing device and a purification device, the fixing device is installed at the top of the water purifier, and the purification device is installed on the inside of the water purifier; the purification device includes a fixing block, an ultraviolet lamp, and a resin filter element, the fixing block is installed at the top of the purification device, the ultraviolet lamp is installed at the bottom of the fixing block, and the resin filter element is installed on the outside of the ultraviolet lamp. The sterilization and disinfection water purifier easily causes the resin filter element to age and fail, and even decomposes harmful substances, which is not conducive to the service life of the water purifier. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present utility model is to provide a water purification device, which can provide disinfection and resin ion filtration and exchange without mutual influence and does not affect the life of the water purification device.

[0005] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0006] A water purification device, characterized in that it includes an outer shell and a water storage chamber, the water storage chamber is arranged inside the outer shell, the top of the water storage chamber is connected to an external pipeline, the outer side of the water storage chamber is sequentially provided with a filter layer, a porous filter layer and a cationic resin filter layer, the outside of the cationic resin filter layer is provided with a disinfection chamber, the disinfection chamber is provided with an ultraviolet generating device that can inject ultraviolet rays into the disinfection chamber, the filter layer, the porous filter layer, the cationic resin filter layer and the top of the disinfection chamber are connected to the inner wall of the outer shell, the bottom of the filter layer, the porous filter layer and the cationic resin filter layer are provided with an inner fixing layer, the disinfection chamber is connected to a water outlet chamber arranged at the lower part of the outer shell, and the outside of the cationic resin filter layer is provided with a water outlet device for fixing the cationic resin filter layer and shielding ultraviolet rays.

[0007] The water purification device filters water by fixing the filter layer, the porous filter layer and the cationic resin filter layer by the outer shell and the inner fixed layer, and connecting with the water storage chamber by the external pipe. When the filtered water passes through the disinfection chamber for disinfection, since a water outlet device for fixing the cationic resin filter layer and shielding ultraviolet rays is provided on the outside of the cationic resin filter layer, it is possible to avoid ultraviolet rays irradiating the cationic resin filter layer during disinfection, thereby achieving no mutual influence between disinfection and resin ion filtration exchange, and not affecting the service life of the water purification device.

[0008] Furthermore, the water outlet device is arranged on the side wall of the resin filter layer, and the water outlet device includes a plurality of concentric annular plates extending toward the disinfection chamber, the outer wall of the annular plates is provided with a coating for reflecting ultraviolet rays; the inner wall of the annular plates is provided with a coating for absorbing ultraviolet rays.

[0009] Furthermore, the ultraviolet light generating device is arranged on the top of the disinfection chamber, and the ultraviolet light generating device is covered with a transparent waterproof cover that allows ultraviolet light to pass through.

[0010] Furthermore, the porous filtration layer includes a microporous membrane layer and an activated carbon layer, the microporous membrane layer is arranged on the outside of the filter mesh layer, one side of the activated carbon layer is arranged on the outside of the microporous membrane layer, and the other side is arranged on the inside of the cationic resin filtration layer.

[0011] Furthermore, a water inlet is provided at the top of the water storage cavity, and the water inlet is a water inlet cavity adapted to the external pipe, and a stepped protrusion for fixing the external pipe is provided inside the water inlet cavity.

[0012] Furthermore, a water outlet is provided at the bottom of the water outlet cavity.

[0013] Furthermore, a transparent observation port is provided on the top of the outer shell, and the transparent observation port is arranged on the top of the filter mesh layer, the porous filter layer and the cationic resin filter layer.

[0014] Preferably, the observation port is a rectangle along the radial direction of the filter mesh layer, the porous filter layer and the cationic resin filter layer.

[0015] Furthermore, the inner fixed layer is detachably connected to the bottom of the filter mesh layer, the porous filter layer and the cationic resin filter layer.

[0016] Preferably, the inner fixing layer is an EPS material component.

[0017] Furthermore, the cationic resin filtration layer uses fine resin with a particle size of 0.4-0.6 mm.

[0018] Furthermore, the coating for absorbing ultraviolet rays provided on the inner wall of the annular piece is a component of UV531 material.

[0019] Furthermore, the water outlet device is a metal material component with an ultraviolet reflectivity greater than 90%.

[0020] The beneficial effects of the utility model are:

[0021] (1) The water purification device provided by the utility model is provided with a water outlet device for fixing the cationic resin filter layer and shielding ultraviolet rays outside the cationic resin filter layer, thereby preventing ultraviolet rays from irradiating the cationic resin filter layer during disinfection, thereby achieving disinfection and resin ion filtration exchange without mutual influence, and does not affect the service life of the water purification device.

[0022] (2) The water purification device has a simple structure, is easy to install and check the working condition of the water purification device, has a long service life, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the external structure of the water purification device of the utility model from one perspective.

[0024] Figure 2 This is a schematic diagram of the external structure of the water purification device of the utility model from another perspective.

[0025] Figure 3 It is a schematic cross-sectional view of the water purification device of the utility model.

[0026] Figure 4 This is a schematic diagram of the water outlet structure of the utility model water purification device

[0027] The accompanying drawings are marked as follows: 1 is an outer shell; 2 is a water storage chamber; 21 is a water inlet; 211 is a water inlet chamber; 2111 is a stepped protrusion; 3 is a filter mesh layer; 4 is a porous filter layer; 41 is a microporous membrane layer; 42 is an activated carbon layer; 5 is a cationic resin filter layer; 6 is a disinfection chamber; 7 is an ultraviolet generating device; 8 is an inner fixed layer; 9 is a water outlet chamber; 10 is a water outlet device; 101 is a circular ring sheet; 91 is a water outlet; 11 is a transparent observation port; 12 is a disassembly portion. DETAILED DESCRIPTION

[0028] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings. The same parts are represented by the same figure numerals. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the accompanying drawings, and the words "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively. In order to make the content of the utility model easier to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model.

[0029] Example 1

[0030] This embodiment provides a water purification device, combined with Figure 1-4 The water purification device comprises an outer shell 1 and a water storage chamber 2, wherein the water storage chamber 2 is arranged inside the outer shell 1, and the top of the water storage chamber 2 is communicated with an external pipeline. A filter layer 3, a porous filter layer 4 and a cationic resin filter layer 5 are arranged in sequence outside the water storage chamber 2, a disinfection chamber 6 is arranged outside the cationic resin filter layer 5, and an ultraviolet generating device 7 is arranged inside the disinfection chamber 6 for injecting ultraviolet rays into the disinfection chamber 6. The tops of the filter layer 3, the porous filter layer 4, the cationic resin filter layer 5 and the disinfection chamber 6 are connected to the inner wall of the outer shell 1, and the bottoms of the filter layer 3, the porous filter layer 4 and the cationic resin filter layer 5 are provided with an inner fixing layer 8, and the disinfection chamber 6 is communicated with a water outlet chamber 9 arranged at the lower part of the outer shell 1, and a water outlet device 10 for fixing the cationic resin filter layer 5 and shielding ultraviolet rays is arranged outside the cationic resin filter layer 5.

[0031] As an optional solution, the ultraviolet generating device 7 is arranged at the top of the disinfection chamber 6, and the ultraviolet generating device 7 is covered with a transparent waterproof cover that allows ultraviolet rays to pass through, so as to prevent water from entering the ultraviolet generating device 7 and damaging its internal circuit. Preferably, the ultraviolet generating device 7 is a gallium nitride chip lamp that emits ultraviolet rays.

[0032] As an optional solution, the porous filter layer 4 includes a microporous membrane layer 41 and an activated carbon layer 42, the microporous membrane layer 41 is arranged on the outside of the filter mesh layer 3, one side of the activated carbon layer 42 is arranged on the outside of the microporous membrane layer 41, and the other side is arranged on the inside of the cationic resin filter layer 5; the microporous membrane layer 41 is used to filter the water filtered by the filter mesh layer 3, and the activated carbon layer 42 is used to filter the water filtered by the microporous membrane layer 41 and adsorb impurities in the water; the cationic resin filter layer 5 further filters the water and exchanges ions. Preferably, the microporous membrane layer 41 is a polyethersulfone membrane (PES) material, which filters impurities with a particle size greater than 1nm, and is mainly used to remove particles with this particle size in the water.

[0033] As an optional solution, a water outlet 91 is provided at the bottom of the water outlet chamber 9. Preferably, the water outlet 91 is provided with a valve for controlling the water volume.

[0034] As an optional solution, a disassembly portion 12 is provided at the bottom of the outer shell 1 , and the outer shell 1 can be disassembled along the disassembly portion 12 into two parts connected by upper and lower threads.

[0035] As an optional solution, the inner fixed layer 8 is detachably connected to the bottom of the filter layer 3, the porous filter layer 4 and the cationic resin filter layer 5, so as to facilitate the recovery of each water body filtration functional layer. Preferably, the inner fixed layer 8 is an EPS material component; the filter layer 3 is a quartz sand material component.

[0036] As an optional solution, the cationic resin filter layer 5 uses fine resin with a particle size of 0.4-0.6mm; the coating for absorbing ultraviolet rays provided on the inner wall of the annular sheet 101 is a UV531 material component; the water outlet device 10 is a metal material component with an ultraviolet reflectivity greater than 90%.

[0037] In the specific implementation process, the water purification device fixes the filter layer 3, the porous filter layer 4, and the cationic resin filter layer 5 through the outer shell 1 and the inner fixed layer 8, and connects with the water storage chamber 2 through an external pipe to filter the water body. Due to the water pressure, the water body passes through the filter layer 3, the porous filter layer 4 and the cationic resin filter layer 5 in sequence and enters the disinfection chamber 6. When the filtered water body passes through the disinfection chamber 6 for disinfection, since a water outlet device 10 for fixing the cationic resin filter layer 5 and shielding ultraviolet rays is provided outside the cationic resin filter layer 5, it is possible to avoid ultraviolet rays from irradiating the cationic resin filter layer 5 during disinfection, thereby achieving no mutual influence between disinfection and resin ion filtration exchange, and does not affect the service life of the water purification device.

[0038] Example 2

[0039] In order to further improve the disinfection effect of ultraviolet rays in the disinfection chamber 6 and prevent ultraviolet rays from irradiating the resin filter layer 5 to accelerate its aging. Figure 3 and Figure 4 As an optional solution, the water outlet device 10 is arranged on the side wall of the resin filter layer 5, and the water outlet device 10 includes a plurality of concentric annular sheets 101 extending toward the disinfection chamber 6, and the annular sheets 101 completely shield the resin filter layer 5 therein, so that ultraviolet rays cannot directly reach the surface of the resin filter layer 5; as an optional solution, the outer wall of the annular sheet 101 is provided with a coating for reflecting ultraviolet rays; the inner wall of the annular sheet 101 is provided with a coating for absorbing ultraviolet rays.

[0040] In the specific implementation process, when the ultraviolet generating device 7 in the disinfection chamber 6 is working, the ultraviolet rays are irradiated downward from the top of the disinfection chamber 6. When the ultraviolet rays are reflected by the water and the inner wall of the outer shell 1, since the outer wall of the annular sheet 101 is provided with a coating for reflecting ultraviolet rays, it will promote the ultraviolet rays to be reflected and disinfected multiple times in the disinfection chamber 6, and quickly achieve the disinfection of the water body; at the same time, due to the shielding effect of the annular sheet 101, no ultraviolet rays are directly irradiated to the resin filter layer 5, and the inner wall of the annular sheet 101 is provided with a coating for absorbing ultraviolet rays; therefore, the reflected ultraviolet rays will be quickly absorbed, and finally the disinfection effect of the ultraviolet rays in the disinfection chamber 6 will be achieved, and the ultraviolet rays will be avoided from irradiating the resin filter layer 5 to prevent its aging, thereby increasing the service life of the water purification device.

[0041] Example 3

[0042] In order to further achieve a tight combination of the water inlet 21 and the external pipe and prevent the water inlet 21 and the external pipe from falling off due to excessive filtered water pressure, based on the above embodiments 1-2, as an optional solution, the water inlet 21 provided on the top of the water storage chamber 2 is a water inlet cavity 211 adapted to the external pipe, and a stepped protrusion 2111 for fixing the external pipe is provided inside the water inlet cavity 211. Preferably, the stepped protrusion 2111 is a food-grade elastic material component.

[0043] In the specific implementation process, when the external pipe is inserted into the water inlet cavity 211 and squeezes the stepped protrusions 2111, a large reverse friction force is generated to prevent the outer wall of the external pipe and the inner wall of the water inlet cavity 211 from sliding outward, thereby achieving a tight connection between the water inlet 21 and the external pipe.

[0044] Example 4

[0045] In order to make it easier to observe the working status of each functional layer of the water purification device: the filter layer 3, the porous filter layer 4 and the cationic resin filter layer 5, so as to replace the water purification device in time. Figure 2 and Figure 3On the basis of embodiments 1-3, as an optional solution, a transparent observation port 11 is provided on the top of the outer shell 1, and the transparent observation port 11 is arranged on the top of the filter mesh layer 3, the porous filter layer 4 and the cationic resin filter layer 5. Preferably, the observation port is a rectangle along the radial direction of the filter mesh layer 3, the porous filter layer 4 and the cationic resin filter layer 5.

[0046] In the specific implementation process, when it is necessary to understand the working status of the water purification device, the filter layer 3, the porous filter layer 4 and the cationic resin filter layer 5 are directly observed from the outside. When the functional layer shows a large amount of discoloration, accumulation of blockages and is full, the water purification device can be replaced in advance, or the water purification device can be disassembled for cleaning or replacement of each functional layer.

[0047] With respect to the above embodiments, it should be noted that the specific model specifications of the ultraviolet generating device 7 in the above embodiments 1-4 need to be selected and determined according to the actual specifications and disinfection effects of the device, and the specific selection calculation method adopts the existing technology in the field. The principle of the above-mentioned equipment that requires power supply and the connection method with the power supply are clear and easy to implement for those skilled in the art, so they will not be described in detail here.

[0048] The above description is only a preferred embodiment of the present utility model patent and does not constitute a limitation of the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A water purification device, characterized in that: The invention comprises an outer shell (1) and a water storage chamber (2), wherein the water storage chamber (2) is arranged inside the outer shell (1), the top of the water storage chamber (2) is communicated with an external pipeline, a filter layer (3), a porous filter layer (4) and a cationic resin filter layer (5) are arranged in sequence outside the water storage chamber (2), a disinfection chamber (6) is arranged outside the cationic resin filter layer (5), and an ultraviolet light generating device (7) is arranged inside the disinfection chamber (6) for irradiating ultraviolet light into the disinfection chamber (6), the tops of the filter layer (3), the porous filter layer (4), the cationic resin filter layer (5) and the disinfection chamber (6) are connected to the inner wall of the outer shell (1), the bottoms of the filter layer (3), the porous filter layer (4) and the cationic resin filter layer (5) are provided with an inner fixing layer (8), the disinfection chamber (6) is communicated with a water outlet chamber (9) arranged at the lower part of the outer shell (1), and a water outlet device (10) for fixing the cationic resin filter layer (5) and shielding ultraviolet light is arranged outside the cationic resin filter layer (5).

2. The water purification device according to claim 1, characterized in that: The water outlet device (10) is arranged on the side wall of the resin filter layer (5), and comprises a plurality of concentric annular plates (101) extending towards the disinfection chamber (6), wherein the outer wall of the annular plates (101) is provided with a coating for reflecting ultraviolet rays; and the inner wall of the annular plates (101) is provided with a coating for absorbing ultraviolet rays.

3. The water purification device according to claim 1, characterized in that: The ultraviolet light generating device (7) is arranged on the top of the disinfection chamber (6), and the ultraviolet light generating device (7) is covered with a transparent waterproof cover that allows ultraviolet light to pass through.

4. The water purification device according to claim 1, characterized in that: The porous filter layer (4) comprises a microporous membrane layer (41) and an activated carbon layer (42), wherein the microporous membrane layer (41) is arranged on the outside of the filter mesh layer (3), and one side of the activated carbon layer (42) is arranged on the outside of the microporous membrane layer (41) and the other side is arranged on the inside of the cationic resin filter layer (5).

5. The water purification device according to claim 1, characterized in that: A water inlet (21) is provided at the top of the water storage chamber (2); the water inlet (21) is a water inlet cavity (211) adapted to an external pipe; a stepped protrusion (2111) for fixing the external pipe is provided inside the water inlet cavity (211).

6. The water purification device according to claim 1, characterized in that: A water outlet (91) is provided at the bottom of the water outlet chamber (9).

7. The water purification device according to claim 1, characterized in that: A transparent observation port (11) is provided on the top of the outer shell (1), and the transparent observation port (11) is arranged on the top of the filter mesh layer (3), the porous filter layer (4) and the cationic resin filter layer (5).

8. The water purification device according to claim 1, characterized in that: The cationic resin filtration layer (5) uses fine resin with a particle size of 0.4-0.6 mm.

9. The water purification device according to claim 2, characterized in that: The coating for absorbing ultraviolet rays provided on the inner wall of the annular sheet (101) is a component made of UV531 material.

10. The water purification device according to claim 1, characterized in that: The water outlet device (10) is a metal material component with an ultraviolet reflectivity greater than 90%.

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