CN113772860A - Direct drinking water deep purification treatment device and method - Google Patents
Direct drinking water deep purification treatment device and method Download PDFInfo
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- CN113772860A CN113772860A CN202111232866.1A CN202111232866A CN113772860A CN 113772860 A CN113772860 A CN 113772860A CN 202111232866 A CN202111232866 A CN 202111232866A CN 113772860 A CN113772860 A CN 113772860A
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- water
- direct drinking
- pipe
- purification treatment
- treatment device
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- 238000000746 purification Methods 0.000 title claims abstract description 31
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 26
- 239000003651 drinking water Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 16
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 14
- 230000001954 sterilising effect Effects 0.000 claims description 28
- 238000004659 sterilization and disinfection Methods 0.000 claims description 17
- 239000008213 purified water Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020681 well water Nutrition 0.000 claims description 3
- 239000002349 well water Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000003911 water pollution Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 8
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000002070 germicidal effect Effects 0.000 description 4
- 210000000689 upper leg Anatomy 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229940037003 alum Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
Abstract
The invention discloses a direct drinking water deep purification treatment device and a direct drinking water deep purification treatment method, wherein the direct drinking water deep purification treatment device comprises a water treatment tank, the bottom of the water treatment tank is provided with a base, four universal self-locking wheels are fixed at four corners of the bottom of the base through bolts, a PP cotton filter, an active carbon filter, a reverse osmosis filter, an ultraviolet sterilizer and an ozone sterilizer are arranged on the inner wall of the water treatment tank through fastening rings, a water outlet of the PP cotton filter is in conduction connection with a water inlet of the active carbon filter through a conduit, and a booster pump is arranged on the conduit. The direct drinking water deep purification treatment device is integrally of a box-type structure, is compact in structure and small in size, is convenient to move and use by being matched with the arrangement of the universal self-locking wheels, is convenient to use emergently when drinking water is lacked due to water pollution, and solves the problems that the conventional water purification treatment device is large in size, large in occupied area and incapable of moving.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a direct drinking water deep purification treatment device and a direct drinking water deep purification treatment method.
Background
The water treatment mode comprises physical treatment and chemical treatment. The mode of human being's water treatment has been quite a lot of years history, and the physical method includes utilizing the different filter media of various aperture sizes, utilizes absorption or separation mode, gets rid of the impurity in aquatic outside, and the more important person in the absorption mode is for adsorbing with active carbon, and separation method is to pass through the filter media with water, lets the impurity of bigger volume can't pass through, and then obtains comparatively clean water. In addition, the physical methods also include precipitation methods, which are obtained by floating impurities with a smaller specific gravity on the water surface or precipitating impurities with a larger specific gravity below the water surface. The chemical method is to convert the impurities in water into substances which are less harmful to human bodies by various chemicals or concentrate the impurities, and the longest historical chemical treatment method can be that alum is added into water, and after the impurities in the water are collected, the volume is increased, and then the impurities can be removed by a filtration method.
When some areas when water pollution appears because of the circumstances such as flood, need directly drink water deep purification processing apparatus and carry out water treatment, however current directly drink water deep purification processing apparatus, general holistic size is great, and area is wider, can't remove, and secondly current directly drink water deep purification processing apparatus, its water treatment bactericidal effect is relatively poor, so can not satisfy user's demand.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a direct drinking water deep purification treatment device and a direct drinking water deep purification treatment method.
In order to achieve the purpose, the invention adopts the following technical scheme: a direct drinking water deep purification treatment device comprises a water treatment tank, wherein a base is arranged at the bottom of the water treatment tank, and four universal self-locking wheels are fixed at four corners of the bottom of the base through bolts;
the water treatment device is characterized in that a PP cotton filter, an activated carbon filter, a reverse osmosis filter, an ultraviolet sterilizer and an ozone sterilizer are installed on the inner wall of the water treatment box through fastening rings, a water outlet of the PP cotton filter is in conduction connection with a water inlet of the activated carbon filter through a guide pipe, and a booster pump is arranged on the guide pipe.
As a further description of the above technical solution:
the water inlet of the PP cotton filter is connected with a water inlet pipe extending to the outer side of the water treatment tank, and a control valve is arranged on the water inlet pipe.
As a further description of the above technical solution:
the delivery port of the reverse osmosis filter is in conduction connection with the water inlet of the ozone sterilizer through a connecting pipe, a wastewater discharge pipe is connected onto the connecting pipe, and a first electromagnetic valve and a second electromagnetic valve are respectively arranged on the connecting pipe and the wastewater discharge pipe.
As a further description of the above technical solution:
the water outlet of the ozone sterilizer is in conduction connection with a water inlet arranged in the center of the bottom end of the ultraviolet sterilizer through a conduit, and the top end of the ultraviolet sterilizer is in conduction connection with a drain pipe extending to the outer side of the water treatment tank.
As a further description of the above technical solution:
ultraviolet sterilizer includes sterilization box, pivot, turbine blade and sterilamp, the inside roof center department of sterilization box rotates and is connected with the pivot, and the bottom rigid coupling of pivot has turbine blade, the outside that the inside of sterilization box is located the pivot is installed the sterilamp all around.
As a further description of the above technical solution:
the sterilizing box is a cylindrical inner hollow structure, the ultraviolet sterilizing lamps are arranged in a plurality of annular distribution, and the distance between every two adjacent ultraviolet sterilizing lamps is equal.
As a further description of the above technical solution:
the front surface opening of the water treatment tank is rotatably connected with a sealing door through a hinge, and the front surface of the sealing door is embedded with a transparent observation window.
A treatment method of a direct drinking water deep purification treatment device comprises the following steps:
s01: pumping well water or tap water to be purified into a conveying pipe through a water pump, then conducting and connecting the conveying pipe and a water inlet pipe, and opening a control valve on the water inlet pipe;
s02: opening the first electromagnetic valve, closing the second electromagnetic valve, enabling the water passing through the water inlet pipe to sequentially pass through the PP cotton filter, the activated carbon filter, the reverse osmosis filter, the ozone sterilizer and the ultraviolet sterilizer, and then discharging the water through the water discharge pipe to obtain high-quality water;
s03: when purified water is discharged into the ultraviolet sterilizer through the ozone sterilizer, the turbine blades can be driven to rotate under the impact action of water flow, so that the stranded water flow is dispersed to form a vortex, and the sterilization effect of the ultraviolet sterilizing lamp on the purified water is ensured.
Advantageous effects
The invention provides a direct drinking water deep purification treatment device. The method has the following beneficial effects:
(1): this straight water deep purification processing apparatus of drinking wholly is box structure, compact structure, and the volume is less, and the setting of cooperation universal auto-lock wheel makes things convenient for it to remove the use, when being convenient for appear water pollution, when lacking the drinking water, promptly uses, overcomes current water purification processing apparatus, and the volume is great, and area is great, the problem that can't remove.
(2): this straight water deep purification processing apparatus of drinking adopts ultraviolet sterilizer and ozone sterilizer to jointly disinfect, guarantees its bactericidal effect to be fixed with turbine blade through the pivot in the case that disinfects, when the purified water passes through ozone sterilizer and discharges into ultraviolet sterilizer in, can drive turbine blade rotation under the impact of rivers, thereby disperse the rivers that become the thigh, form the vortex, thereby guarantee the bactericidal effect of ultraviolet germicidal lamp to the purified water that sets up.
Drawings
FIG. 1 is a schematic view of the overall structure of a direct drinking water deep purification treatment device provided by the invention;
FIG. 2 is a schematic view of the structure of the ultraviolet sterilizer of the present invention;
FIG. 3 is a schematic view showing a connection structure of the reverse osmosis filter and the ozone sterilizer according to the present invention.
Illustration of the drawings:
1. a base; 2. a universal self-locking wheel; 3. a water treatment tank; 4. a sealing door; 5. a PP cotton filter; 6. a fastening ring; 7. a booster pump; 8. an activated carbon filter; 9. a reverse osmosis filter; 91. a connecting pipe; 92. a waste water discharge pipe; 93. a first solenoid valve; 94. a second solenoid valve; 10. an ultraviolet sterilizer; 101. a sterilization box; 102. a rotating shaft; 103. a turbine blade; 104. An ultraviolet germicidal lamp; 11. an ozone sterilizer; 12. and a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1-3, a direct drinking water deep purification treatment device comprises a water treatment tank 3, wherein a base 1 is arranged at the bottom of the water treatment tank 3, and four universal self-locking wheels 2 are fixed at four corners of the bottom of the base 1 through bolts;
the inner wall of the water treatment tank 3 is provided with a PP cotton filter 5, an activated carbon filter 8, a reverse osmosis filter 9, an ultraviolet sterilizer 10 and an ozone sterilizer 11 through a fastening ring 6, the water outlet of the PP cotton filter 5 is connected with the water inlet of the activated carbon filter 8 through a conduit, and the conduit is provided with a booster pump 7.
The water inlet of the PP cotton filter 5 is connected with a water inlet pipe which extends to the outer side of the water treatment tank 3, and a control valve is arranged on the water inlet pipe.
The water outlet of the reverse osmosis filter 9 is connected with the water inlet of the ozone sterilizer 11 through a connecting pipe 91, a wastewater discharge pipe 92 is connected to the connecting pipe 91, and a first electromagnetic valve 93 and a second electromagnetic valve 94 are respectively arranged on the connecting pipe 91 and the wastewater discharge pipe 92.
In this embodiment, when the reverse osmosis filter 9 needs to be flushed, the first solenoid valve 93 may be closed, the second solenoid valve 94 may be opened, and then the waste water generated by flushing may be discharged through the waste water discharge pipe 92.
The water outlet of the ozone sterilizer 11 is connected with the water inlet arranged at the center of the bottom end of the ultraviolet sterilizer 10 through a conduit, and the top end of the ultraviolet sterilizer 10 is connected with a drain pipe 12 extending to the outer side of the water treatment tank 3.
The ultraviolet sterilizer 10 comprises a sterilization box 101, a rotating shaft 102, turbine blades 103 and ultraviolet germicidal lamps 104, wherein the rotating shaft 102 is rotatably connected to the center of the top plate in the sterilization box 101, the turbine blades 103 are fixedly connected to the bottom end of the rotating shaft 102, and the ultraviolet germicidal lamps 104 are arranged around the outer side of the rotating shaft 102 in the sterilization box 101.
The sterilizing box 101 is a hollow structure in the cylindrical interior, the ultraviolet sterilizing lamps 104 are provided with a plurality of ultraviolet sterilizing lamps 104, the ultraviolet sterilizing lamps 104 are distributed annularly, and the distance between two adjacent ultraviolet sterilizing lamps 104 is equal.
In this embodiment, when purified water passes through ozone sterilizer 11 and discharges into ultraviolet sterilizer 10, can drive turbine blade 103 under the impact of rivers and rotate to disperse into the rivers of thigh, form the vortex, thereby guarantee the bactericidal effect of sterilamp 104 to purified water that sets up.
The front surface opening of the water treatment tank 3 is rotatably connected with a sealing door 4 through a hinge, and the front surface of the sealing door 4 is embedded with a transparent observation window.
In this implementation, the setting of sealing door 4, convenient through open sealing door 4 alright with the cotton filter 5 of PP, active carbon filter 8, reverse osmosis filter 9, ultraviolet sterilizer 10 and the ozone sterilizer 11 of direct installation through tighrening ring 6 on 3 inner walls of water treatment tank overhaul the maintenance and handle.
A treatment method of a direct drinking water deep purification treatment device comprises the following steps:
s01: pumping well water or tap water to be purified into a conveying pipe through a water pump, then conducting and connecting the conveying pipe and a water inlet pipe, and opening a control valve on the water inlet pipe;
s02: opening the first electromagnetic valve 93, closing the second electromagnetic valve 94, passing the water through the water inlet pipe through the PP cotton filter 5, the activated carbon filter 8, the reverse osmosis filter 9, the ozone sterilizer 11 and the ultraviolet sterilizer 10 in sequence, and then discharging the water through the water discharge pipe 12 to obtain high-quality water;
s03: when purified water passes through ozone sterilizer 11 and discharges into ultraviolet sterilizer 10, can drive turbine blade 103 under the impact of rivers and rotate to the rivers that become the thigh disperse, form the vortex, thereby guarantee the bactericidal effect of sterilamp 104 to purified water that sets up.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A direct drinking water deep purification treatment device comprises a water treatment tank (3), and is characterized in that a base (1) is arranged at the bottom of the water treatment tank (3), and four universal self-locking wheels (2) are fixed at four corners of the bottom of the base (1) through bolts;
install cotton filter of PP (5), activated carbon filter (8), reverse osmosis filter (9), ultraviolet sterilizer (10) and ozone sterilizer (11) through tighrening ring (6) on water treatment box (3) inner wall, the delivery port of the cotton filter of PP (5) passes through the water inlet conductive connection of pipe and activated carbon filter (8), and is provided with booster pump (7) on the pipe.
2. The deep purification treatment device for direct drinking water according to claim 1, wherein the water inlet of the PP cotton filter (5) is connected with a water inlet pipe extending to the outside of the water treatment tank (3), and a control valve is arranged on the water inlet pipe.
3. The advanced direct drinking water purification device as claimed in claim 1, wherein the water outlet of the reverse osmosis filter (9) is in conduction connection with the water inlet of the ozone sterilizer (11) through a connecting pipe (91), a waste water discharge pipe (92) is connected to the connecting pipe (91), and a first electromagnetic valve (93) and a second electromagnetic valve (94) are respectively arranged on the connecting pipe (91) and the waste water discharge pipe (92).
4. The deep purification treatment device for direct drinking water according to claim 1, wherein the water outlet of the ozone sterilizer (11) is in conduction connection with the water inlet arranged at the center of the bottom end of the ultraviolet sterilizer (10) through a conduit, and the top end of the ultraviolet sterilizer (10) is in conduction connection with a drain pipe (12) extending to the outer side of the water treatment tank (3).
5. The deep purification treatment device for direct drinking water according to claim 1, wherein the ultraviolet sterilizer (10) comprises a sterilization box (101), a rotating shaft (102), turbine blades (103) and ultraviolet sterilizing lamps (104), the rotating shaft (102) is rotatably connected to the center of the top plate in the sterilization box (101), the turbine blades (103) are fixedly connected to the bottom end of the rotating shaft (102), and the ultraviolet sterilizing lamps (104) are installed around the outer side of the rotating shaft (102) in the sterilization box (101).
6. The deep purification treatment device for direct drinking water according to claim 5, wherein the sterilization box (101) is a cylindrical hollow structure, the ultraviolet sterilization lamps (104) are provided in a plurality, the ultraviolet sterilization lamps (104) are distributed annularly, and the distance between two adjacent ultraviolet sterilization lamps (104) is equal.
7. The deep purification treatment device for direct drinking water according to claim 1, wherein the opening on the front surface of the water treatment tank (3) is rotatably connected with a sealing door (4) through a hinge, and a transparent observation window is embedded and installed on the front surface of the sealing door (4).
8. A method for an advanced purification treatment of drinking water using the apparatus according to any one of claims 1-7, characterized in that it comprises the following steps:
s01: pumping well water or tap water to be purified into a conveying pipe through a water pump, then conducting and connecting the conveying pipe and a water inlet pipe, and opening a control valve on the water inlet pipe;
s02: opening a first electromagnetic valve (93), closing a second electromagnetic valve (94), enabling water passing through a water inlet pipe to sequentially pass through a PP cotton filter (5), an activated carbon filter (8), a reverse osmosis filter (9), an ozone sterilizer (11) and an ultraviolet sterilizer (10), and then discharging the water through a water discharge pipe (12) to obtain high-quality water;
s03: when purified water is discharged into the ultraviolet sterilizer (10) through the ozone sterilizer (11), the turbine blades (103) are driven to rotate under the impact action of water flow, so that the stranded water flow is dispersed to form a vortex, and the sterilization effect of the ultraviolet sterilization lamp (104) on the purified water is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232866.1A CN113772860A (en) | 2021-10-22 | 2021-10-22 | Direct drinking water deep purification treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232866.1A CN113772860A (en) | 2021-10-22 | 2021-10-22 | Direct drinking water deep purification treatment device and method |
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| Publication Number | Publication Date |
|---|---|
| CN113772860A true CN113772860A (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111232866.1A Pending CN113772860A (en) | 2021-10-22 | 2021-10-22 | Direct drinking water deep purification treatment device and method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455757A (en) * | 2022-01-06 | 2022-05-10 | 纳美盾新材料有限公司 | Water purification treatment system and process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206828281U (en) * | 2017-06-28 | 2018-01-02 | 吴紫珠 | A kind of water correction plant for being convenient for changing filter core |
| CN212769963U (en) * | 2020-03-07 | 2021-03-23 | 重庆绿色科技开发（集团）有限公司 | Ultraviolet LED (light-emitting diode) sterilization sterilizer for effluent by utilizing water flow generated by water tap to be switched |
| CN213202706U (en) * | 2020-07-06 | 2021-05-14 | 四川绿源水处理工程有限公司 | Sterilizing device for drinking water purifying equipment |
-
2021
- 2021-10-22 CN CN202111232866.1A patent/CN113772860A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206828281U (en) * | 2017-06-28 | 2018-01-02 | 吴紫珠 | A kind of water correction plant for being convenient for changing filter core |
| CN212769963U (en) * | 2020-03-07 | 2021-03-23 | 重庆绿色科技开发（集团）有限公司 | Ultraviolet LED (light-emitting diode) sterilization sterilizer for effluent by utilizing water flow generated by water tap to be switched |
| CN213202706U (en) * | 2020-07-06 | 2021-05-14 | 四川绿源水处理工程有限公司 | Sterilizing device for drinking water purifying equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455757A (en) * | 2022-01-06 | 2022-05-10 | 纳美盾新材料有限公司 | Water purification treatment system and process thereof |
| CN114455757B (en) * | 2022-01-06 | 2024-01-19 | 纳美盾新材料有限公司 | Water purification treatment system and process thereof |
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