Multi-stage purification direct drinking water treatment equipment

Abstract

The utility model discloses multi-stage purification direct drinking water treatment equipment which comprises a raw water tank, a pure water tank, a first-stage filtering assembly, a second-stage filtering assembly, a third-stage filtering assembly, a water supply control structure and an ozone generator, the raw water tank and the pure water tank are arranged in parallel, and the first-stage filtering assembly and the second-stage filtering assembly are arranged on one side of the raw water tank; the raw water tank is connected with the first-stage filtering assembly through a first pipeline, the first-stage filtering assembly is connected with the second-stage filtering assembly through a second pipeline, the pure water tank is connected with a water inlet pipeline, a water supply pipeline and a water return pipeline, and the water inlet pipeline and the water return pipeline are each provided with a third-stage filtering assembly. The water supply control structure and the ozone generator are arranged on one side of the pure water tank, the air outlet end of the ozone generator is communicated with the interior of the pure water tank, and the water supply control structure is used for controlling operation of the direct drinking water treatment waterway. Through combination of multi-stage filtration and an ozone disinfection technology, harmful substances and impurities in water are effectively removed, and the water quality and the taste of direct drinking water can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of water treatment technology, and specifically relates to a multi-stage purification direct drinking water treatment device. Background Technology

[0002] Direct drinking water treatment equipment has emerged as a vital safeguard for drinking water safety in modern households and public places. This equipment typically purifies tap water through multiple processes, including physical filters, RO reverse osmosis modules, and ozone sterilization, removing impurities, bacteria, and harmful substances to ensure the water meets direct drinking standards and is safe to consume.

[0003] However, despite significant advancements in water treatment technology, a persistent problem remains in practical applications: the potential for contamination during water recirculation. Since drinking water treatment equipment sources its water from tap water, the filtered pure water flows out through the piping system during use and then returns to the pure water tank via a return water pipe. However, during this process, impurities from the pipes may enter the pure water tank along with the return water, contaminating the purified water and affecting its quality. Utility Model Content

[0004] To address the aforementioned problems, this invention provides a multi-stage purification direct drinking water treatment device that can solve the problem of impurities from the return water pipe entering the pure water tank, causing contamination of the water source in the pure water tank and affecting water quality.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A multi-stage purified drinking water treatment device includes a raw water tank, a pure water tank, a primary filtration assembly, a secondary filtration assembly, a tertiary filtration assembly, a water supply control structure, and an ozone generator. The raw water tank and the pure water tank are arranged side by side. The primary and secondary filtration assemblies are located on one side of the raw water tank and connected to the primary filtration assembly via a first pipe. The primary and secondary filtration assemblies are connected via a second pipe. The pure water tank is connected to an inlet pipe, a supply pipe, and a return pipe. Both the inlet and return pipes are equipped with tertiary filtration assemblies. The water supply control structure and the ozone generator are located on one side of the pure water tank and are distributed side by side with the primary and secondary filtration assemblies. The outlet of the ozone generator is connected to the interior of the pure water tank. The water supply control structure is used to control the operation of the drinking water treatment circuit.

[0007] Preferably, the three-stage filtration assembly includes a high-iodine value filter and a second precision filter, and the drinking water passes through the high-iodine value filter and the second precision filter in sequence.

[0008] Preferably, the primary filtration assembly includes a quartz sand filter and an activated carbon filter, and the drinking water passes through the quartz sand filter and the activated carbon filter in sequence.

[0009] Preferably, a softener is also provided between the primary filter assembly and the secondary filter assembly.

[0010] Preferably, the secondary filtration assembly includes an RO reverse osmosis module, a first precision filter, a reverse osmosis control box, and a first support. The reverse osmosis control box and the RO reverse osmosis module are installed on the top of the first support, and the first precision filter is located below the reverse osmosis control box. Drinking water passes through the first precision filter and the RO reverse osmosis module in sequence. The RO reverse osmosis module is located on the side of the reverse osmosis control box facing the raw water tank and is arranged along the height direction of the first support.

[0011] Preferably, the system also includes two high-pressure pumps, which are located below the reverse osmosis control box and are used to control the inlet water of the RO reverse osmosis module and the inlet water of the pure water tank. The first precision filter is located between the two high-pressure pumps.

[0012] Preferably, it also includes a second bracket for mounting the water supply control structure and the ozone generator.

[0013] Preferably, the water supply control structure includes a water supply control box and a water supply pump, wherein the water supply control box is used to control the operation of the water supply pump.

[0014] Compared with existing technologies, the beneficial effects of this utility model are as follows:

[0015] 1. By combining multi-stage filtration with ozone disinfection technology, harmful substances and impurities in the water are effectively removed, which not only improves water quality and taste, but also ensures the high quality and safety of drinking water.

[0016] 2. Install a three-stage filtration system in the return water pipe to perform a fourth filtration on the drinking water that flows back to the pure water tank from the point of use, removing impurities brought in by the drinking water in the return water pipe and improving the quality of the returned drinking water.

[0017] 3. This equipment is not only suitable for daily drinking water needs in homes and offices, but also provides efficient and safe water treatment solutions in industrial and commercial fields. Attached Figure Description

[0018] Figure 1 This is a first-angle structural schematic diagram of the multi-stage purification direct drinking water treatment equipment of this utility model;

[0019] Figure 2 This is a second-angle structural schematic diagram of the multi-stage purification direct drinking water treatment equipment of this utility model;

[0020] Figure 3 This is a structural schematic diagram of the multi-stage purification direct drinking water treatment equipment of this utility model from the third angle.

[0021] In the attached diagram, 1-raw water tank, 11-first pipe, 2-pure water tank, 21-inlet pipe, 22-water supply pipe, 23-return pipe, 3-first-stage filter assembly, 31-second pipe, 32-quartz sand filter, 33-activated carbon filter, 34-filter valve head, 4-second-stage filter assembly, 41-RO reverse osmosis module, 42-first precision filter, 43-reverse osmosis control box, 44-first support, 45-high pressure pump, 5-third-stage filter assembly, 51-high iodine value filter, 52-second precision filter, 6-water supply control box, 7-water supply pump, 8-ozone generator, 9-softener, 10-second support. Detailed Implementation

[0022] To make the objectives, technical solutions and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0023] Where the following description relates to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this invention. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this invention as detailed in the appended claims.

[0024] In the description of this utility model, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances. Furthermore, in the description of this utility model, unless otherwise stated, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] To resolve the above issues, please refer to [link / reference]. Figures 1 to 3 This utility model provides a multi-stage purified drinking water treatment device, including a raw water tank 1, a pure water tank 2, a primary filter assembly 3, a secondary filter assembly 4, a tertiary filter assembly 5, a water supply control structure, and an ozone generator 8. The raw water tank 1 and the pure water tank 2 are arranged side by side. The primary filter assembly 3 and the secondary filter assembly 4 are located on one side of the raw water tank 1, and the raw water tank 1 and the primary filter assembly 3 are connected by a first pipe 11. The raw water tank 2 is connected to the purified water tank 2 via a second pipe 31. The purified water tank 2 is connected to an inlet pipe 21, a supply pipe 22, and a return pipe 23. Both the inlet pipe 21 and the return pipe 23 are equipped with a three-stage filtration assembly 5. The water supply control structure and the ozone generator 8 are located on one side of the purified water tank 2, arranged alongside the first-stage filtration assembly 3 and the second-stage filtration assembly 4. The outlet of the ozone generator 8 is connected to the interior of the purified water tank 2. The water supply control structure is used to control the operation of the direct drinking water treatment circuit. The ozone generator 8 effectively inactivates bacteria and viruses in the water, ensuring that the water quality meets direct drinking standards. The raw water tank 1 and the purified water tank 2 are arranged side-by-side, ensuring that the raw water undergoes multiple purification processes through the various filtration assemblies before finally flowing into the purified water tank 2 for storage. This layout effectively saves space while ensuring smooth water flow.

[0027] In optional embodiments, such as Figure 3 As shown, the three-stage filtration assembly 5 includes a high-iodine value filter 51 and a second precision filter 52. Drinking water passes sequentially through the high-iodine value filter 51 and the second precision filter 52. The high-iodine value filter 51 is filled with coconut shell activated carbon, which has good adsorption properties. Since some impurities are generated in the inlet pipe 21 and the return pipe 23, two or three sets of filtration assemblies are set up, respectively located in the return pipe 23 and the inlet pipe 21. The inlet pipe 21 refers to the pipeline between the three-stage filtration assembly 5 and the pure water tank 2, while the return pipe 23 refers to the pipeline through which unused drinking water flows back from the point of use to the pure water tank 2. Water treated by the second-stage filtration assembly 4 flows into the first set of three-stage filtration assemblies 5 for further treatment, which can remove impurities carried by the drinking water during its flow in the pipeline. Similarly, the second set of three-stage filtration assemblies 5 is used to treat impurities carried by the drinking water during its flow in the return pipe 23, further improving the taste of the drinking water.

[0028] In optional embodiments, such as Figure 1As shown, the primary filtration component 3 includes a quartz sand filter 32 and an activated carbon filter 33. Drinking water passes sequentially through the quartz sand filter 32 and the activated carbon filter 33. The quartz sand filter 32 removes large particulate impurities and suspended solids from the water, while the activated carbon filter 33 effectively adsorbs organic matter and chemicals such as chlorine, improving the taste of the water. Furthermore, both the quartz sand filter 32 and the activated carbon filter 33 are equipped with filter valves 34, which are mainly used for backwashing, forward washing, and automatic switching of the operating steps for the quartz sand and activated carbon.

[0029] In optional embodiments, such as Figure 3 As shown, a water softener 9 is also provided between the primary filter assembly 3 and the secondary filter assembly 4. The main function of the water softener is to remove cations such as calcium and magnesium ions from the water, prevent precipitation and scaling caused by excessive calcium and magnesium ions in the reverse osmosis feed water, protect the reverse osmosis membrane, and further improve the taste and water quality.

[0030] In optional embodiments, such as Figure 1 As shown, the secondary filtration assembly 4 includes an RO reverse osmosis module 41, a first precision filter 42, a reverse osmosis control box 43, a first bracket 44, and two high-pressure pumps 45. The reverse osmosis control box 43 and the RO reverse osmosis module 41 are installed on top of the first bracket 44. The first precision filter 42 is located below the reverse osmosis control box 43. Drinking water passes sequentially through the first precision filter 42 and the RO reverse osmosis module 41. The RO reverse osmosis module 41 is located on the side of the reverse osmosis control box 43 facing the raw water tank 1 and is arranged along the height direction of the first bracket 44. The two high-pressure pumps 45 are located below the reverse osmosis control box 43 and are used to control the water inlet of the RO reverse osmosis module 41 and the water inlet of the pure water tank 2. The first precision filter 42 is located between the two high-pressure pumps 45. The drinking water treatment equipment also includes a second bracket 10, which is used to install the water supply control structure and the ozone generator 8. The RO reverse osmosis module 41, the first precision filter 42, the reverse osmosis control box 43, the water supply control structure, and the ozone generator 8 are compactly installed using the first bracket 44 and the second bracket 10, so as to achieve stable installation of the secondary filter component 4, the water supply control structure, and the ozone generator 8, while forming a modular design, which is convenient for installation and reasonable arrangement in a limited space.

[0031] In optional embodiments, such as Figure 1As shown, the water supply control structure includes a water supply control box 6 and a water supply pump 7. The water supply control box 6 is used to control the operation of the water supply pump 7. The water supply pump 7 includes a raw water supply pump 7 and a pure water supply pump 7. After the raw water is pumped into the first-stage filtration assembly 3 by the raw water supply pump 7 through the water supply control box 6, the raw water that has undergone the first filtration is pumped into the second-stage filtration assembly 4 by the corresponding high-pressure pump 45. Then, the raw water that has undergone the second filtration is pumped into the third-stage filtration assembly 5 by the corresponding high-pressure pump 45. After treatment, drinking water is obtained and flows into the pure water tank 2. The pure water supply pump 7 is in a constantly open state to meet the requirement of uninterrupted water supply to the water point throughout the day.

[0032] Furthermore, various sensors are installed in the raw water tank 1 and the pure water tank 2 to obtain water quality parameters before and after treatment. Switch valves and flow meters are installed in the inlet pipe 21, the first pipe 11, the second pipe 31 and the supply pipe 22 to control the flow rate. A pressure gauge is installed in the RO reverse osmosis module 41 to measure the actual water pressure at various points in the RO reverse osmosis module 41. The operating status of the filter element and the RO reverse osmosis module 41 is judged based on the pressure gauge readings.

[0033] Water treatment process: Raw water tank 1 is connected to the water source. The water supply control structure controls the operation of the raw water supply pump 7. After the raw water enters the raw water tank 1, it passes through the raw water supply pump 7 in sequence through the primary filter component 3, the softener 9, the secondary filter component 4, and a set of tertiary filter components 5 to obtain drinking water, which is then stored in the pure water tank 2. Ozone generated by the ozone generator 8 is introduced into the pure water tank 2 to sterilize and disinfect the pure water.

[0034] Water supply process: The pure water supply pump 7 delivers the drinking water in the pure water tank 2 to the water point through the water supply pipe 22.

[0035] Water return process: Unused drinking water from the water point enters the second group of three-stage filtration components 5 through the water return pipe 23 and is then filtered before entering the pure water tank 2.

[0036] In summary, by combining multi-stage filtration with ozone disinfection technology, harmful substances and impurities in the water are effectively removed, which not only improves water quality and taste but also ensures the high quality and safety of the drinking water. A three-stage filtration assembly 5 is installed in the return water pipe 23 to perform a fourth filtration on the drinking water returning to the pure water tank 2 from the water point, removing impurities brought in by the drinking water in the return water pipe 23 and improving the quality of the returned drinking water. This equipment is not only suitable for daily drinking water needs in homes and offices but can also provide efficient and safe water treatment solutions in industrial and commercial fields.

[0037] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this utility model. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0038] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-stage purification direct drinking water treatment device, characterized in that, The system includes a raw water tank, a pure water tank, a primary filtration assembly, a secondary filtration assembly, a tertiary filtration assembly, a water supply control structure, and an ozone generator. The raw water tank and the pure water tank are arranged side by side. The primary and secondary filtration assemblies are located on one side of the raw water tank and connected to the primary filtration assembly via a first pipe. The primary and secondary filtration assemblies are connected to each other via a second pipe. The pure water tank is connected to an inlet pipe, a supply pipe, and a return pipe. Both the inlet and return pipes are equipped with tertiary filtration assemblies. The water supply control structure and the ozone generator are located on one side of the pure water tank and are distributed side by side with the primary and secondary filtration assemblies. The outlet of the ozone generator is connected to the interior of the pure water tank. The water supply control structure is used to control the operation of the direct drinking water treatment circuit.

2. The multi-stage purification direct drinking water treatment equipment according to claim 1, characterized in that, The three-stage filtration system includes a high-iodine filter and a second precision filter, with drinking water passing through the high-iodine filter and the second precision filter in sequence.

3. The multi-stage purification direct drinking water treatment equipment according to claim 1, characterized in that, The primary filtration assembly includes a quartz sand filter and an activated carbon filter, and the drinking water passes through the quartz sand filter and the activated carbon filter in sequence.

4. The multi-stage purification direct drinking water treatment equipment according to claim 1, characterized in that, A softener is also provided between the primary filter assembly and the secondary filter assembly.

5. The multi-stage purification direct drinking water treatment equipment according to claim 1, characterized in that, The secondary filtration assembly includes an RO reverse osmosis module, a first precision filter, a reverse osmosis control box, and a first support. The reverse osmosis control box and the RO reverse osmosis module are installed on the top of the first support. The first precision filter is located below the reverse osmosis control box. Drinking water passes through the first precision filter and the RO reverse osmosis module in sequence. The RO reverse osmosis module is located on the side of the reverse osmosis control box facing the raw water tank and is arranged along the height direction of the first support.

6. The multi-stage purification direct drinking water treatment equipment according to claim 5, characterized in that, It also includes two high-pressure pumps, which are located below the reverse osmosis control box and are used to control the inlet water of the RO reverse osmosis module and the inlet water of the pure water tank. The first precision filter is located between the two high-pressure pumps.

7. The multi-stage purification direct drinking water treatment equipment according to claim 1, characterized in that, It also includes a second bracket for mounting the water supply control structure and the ozone generator.

8. The multi-stage purification direct drinking water treatment equipment according to claim 7, characterized in that, The water supply control structure includes a water supply control box and a water supply pump, wherein the water supply control box is used to control the operation of the water supply pump.

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