Composite filtering device of rainwater recycling system

By designing a composite filtration device for the rainwater reuse system, using technical means such as water storage tank, filter cartridge, activated carbon filter element and mixing mechanism, the problems of troublesome operation and poor filtration effect of existing devices are solved, and efficient filtration and disinfection of rainwater are achieved, and the treatment efficiency and effect are improved.

CN222877742UActive Publication Date: 2025-05-16NINGBO XINFA ENVIRONMENTAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421134815.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-05-16
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The filter part of the existing rainwater composite filtration device is inconvenient to disassemble and clean, the processing time is long and the operation is troublesome, and the filtration operation needs to be stopped during cleaning, resulting in a decrease in the filtration rate, the filtration effect is average, the static water and the agent are not mixed sufficiently, and the sterilization effect is poor.

Method used

A composite filtration device for rainwater reuse system is designed, including a water storage tank, filter cartridge, activated carbon filter element, stirring mechanism and solenoid three-way valve. Through step-by-step filtration and stirring treatment, efficient filtration and disinfection of rainwater can be achieved. The fixing mechanism and sealing cover of the device are designed to facilitate cleaning and replacement of the filter cartridge, and there is no need to stop the filter operation during the cleaning process.

Benefits of technology

It realizes efficient filtration and disinfection of rainwater, improves filtration and sterilization effects, simplifies the operation process, reduces processing time, and avoids the reduction of filtration rate.

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Abstract

The utility model relates to the technical field of rainwater recycling, and discloses a composite filter device of a rainwater recycling system, which comprises a water storage tank, filter cartridges are symmetrically arranged at the left end and the right end of the upper side of the water storage tank, and fixing mechanisms for respectively fixing the filter cartridges are arranged on the water storage tank. According to the rainwater treatment device, large impurities and the like are filtered by setting a step-by-step treatment process and preliminary screening of the screen, fine impurities are adsorbed and filtered by the activated carbon filter element in the filter cartridge, and finally, a water body and a medicament are fully mixed and stirred by the stirring mechanism for sterilization and disinfection, so that rainwater is efficiently filtered and treated; the device is simple in structure and good in recovery quality and effect, meanwhile, the screen and the activated carbon filter element in the filter cartridge are convenient to clean, the filter cartridge is convenient to reinstall and fix, in the cleaning process, the device does not need to stop running, the filtering process can still be carried out, the filtering speed is not delayed, operation is easy and convenient, and efficiency is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of rainwater recycling, in particular to a composite filtering device of a rainwater recycling system. Background Art

[0002] With the progress and development of modern society, people's consumption of industrial and domestic water has increased, and the water resources in rivers and lakes are becoming increasingly depleted. Therefore, it is necessary to fully recycle water resources, and rainwater is the best recycling resource. Therefore, we can perform compound filtration on rainwater to make the collected rainwater meet the usage standards and put it into use.

[0003] Most of the devices currently used for composite filtration of rainwater have filtration parts that are difficult to disassemble and clean, take a long time to process, and are troublesome to operate. In addition, the machine needs to stop filtering during cleaning, which slows down the filtration rate. At the same time, the device has a general filtering effect on rainwater, and still water is not easy to mix fully with the agent, resulting in a poor sterilization effect. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The purpose of the utility model is to provide a composite filtering device for a rainwater reuse system to solve the problem raised in the above-mentioned background technology that most of the devices currently used for composite filtering of rainwater are inconvenient to disassemble and clean, the processing takes a long time, the operation is troublesome, and the machine needs to stop the filtering operation during cleaning, which delays the filtering rate. At the same time, the filtering effect of the device on rainwater is general, and the still water is not easy to fully mix with the agent, resulting in poor sterilization effect.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite filtering device of a rainwater reuse system, comprising a water storage tank, filter cartridges are symmetrically arranged at the left and right ends of the upper side of the water storage tank, and the water storage tank is provided with fixing mechanisms for fixing the filter cartridges respectively, and a plurality of activated carbon filter elements are arranged inside the two filter cartridges, a sealing bin is fixedly installed on the upper end of the water storage tank, a water inlet tank is embedded and installed on the upper end of the sealing bin, a partition plate is fixedly installed in the middle of the inner side of the water inlet tank, screens are arranged on both sides of the partition plate, an electromagnetic three-way valve 1 is installed at the bottom of the water inlet tank, an electromagnetic three-way valve 2 connected with the interior of the water storage tank is installed in the middle of the upper end of the water storage tank, and a stirring mechanism is arranged inside the water storage tank.

[0008] Preferably, each group of the fixing mechanism includes a groove, a threaded rod and a motor 1, a groove is opened on the upper side of the water tank, a threaded rod is rotatably installed in the groove, a motor 1 is fixedly installed on one side of the water tank, and the output shaft of the motor 1 is fixedly connected to the threaded rod.

[0009] Through the above technical solution, starting motor 1 can drive the threaded rod to rotate.

[0010] Preferably, each group of the fixing mechanisms further includes a movable plate and a clamping ring, the outer side of the threaded rod is threadedly connected to the movable plate, the upper end of the movable plate passes through a groove and is fixedly mounted with a clamping ring.

[0011] Through the above technical solution, when the threaded rod rotates, it drives the movable plate to move toward the middle of the water tank, so that the clamping ring pushes the filter cartridge to move for positioning and docking.

[0012] Preferably, a sealing cover is provided at the upper end of the filter cartridge, an external threaded ring is fixedly mounted at the bottom of the sealing cover, and a corresponding matching thread is provided at the inner upper end of the filter cartridge.

[0013] Through the above technical solution, the sealing cover can be easily opened, making it easy to clean and replace the activated carbon filter element inside the filter cartridge.

[0014] Preferably, a water diversion pipe is fixedly installed on the upper end of the sealing cover, a connecting pipe 1 is fixedly installed on the two output ports of the electromagnetic three-way valve 1, and one end of the connecting pipe 1 away from the electromagnetic three-way valve 1 is sleeved on the outside of the water diversion pipe.

[0015] Through the above technical solution, the water diversion pipe is connected to the connecting pipe 1, so that the water output by the electromagnetic three-way valve 1 is introduced into the filter cartridge for filtration.

[0016] Preferably, a water outlet pipe is fixedly installed on the bottom of one side of the filter cartridge, a connecting pipe 2 is fixedly installed on the two output ports of the electromagnetic three-way valve 2, and one end of the connecting pipe 2 away from the electromagnetic three-way valve 2 is sleeved on the outside of the water outlet pipe.

[0017] Through the above technical solution, the water outlet pipe is connected to the connecting pipe 2, so that the water filtered in the filter cartridge is transported to the electromagnetic three-way valve 2 and then flows into the water storage tank.

[0018] Preferably, a fixing ring 1 is fixedly installed on the outer side of the water diversion pipe, and an elastic sealing ring 1 is provided on one side of the fixing ring 1; a fixing ring 2 is fixedly installed on the outer side of the water outlet pipe, and an elastic sealing ring 2 is provided on one side of the fixing ring 2.

[0019] Through the above technical solution, the fixing ring 1 and the fixing ring 2 respectively complete the confirmation of the docking position, and the elastic sealing ring 1 and the elastic sealing ring 2 will seal the interface to prevent water from flowing out of the body.

[0020] Preferably, the stirring mechanism includes a rotating shaft, a second motor and a stirring rod. The rotating shaft is rotatably mounted on the inner side of the water tank, a plurality of stirring rods are fixedly mounted on the outer side of the rotating shaft, the second motor is fixedly mounted on the outer side of the water tank, and the output shaft of the second motor is fixedly connected to the stirring rod.

[0021] Through the above technical solution, the second motor is started to drive the rotating shaft to rotate, and the stirring rod stirs the water and the added medicine to fully mix them to perform disinfection and sterilization work.

[0022] Preferably, cabinet doors are hinged on both the left and right sides of the sealed compartment, and handles are installed on the cabinet doors.

[0023] Through the above technical solution, the cabinet door can be opened to conveniently take out the filter cartridge and clean and replace the activated carbon filter element inside.

[0024] Preferably, a feed pipe and an exhaust port are respectively installed on the upper sides of the left and right ends of the water storage tank, a drain pipe is installed at the bottom of the water storage tank, and a control valve is installed on the drain pipe.

[0025] Through the above technical solution, the feed pipe is convenient for adding reagents, the exhaust port discharges the generated waste gas, and the control valve is opened to release the thoroughly treated water through the drain pipe.

[0026] Compared with the prior art, the utility model provides a composite filtering device for a rainwater reuse system, which has the following beneficial effects:

[0027] 1. The utility model can filter and disinfect the introduced rainwater three times in steps by setting a water storage tank, a sealing bin, a water inlet tank, a filter cartridge, an activated carbon filter element, a screen, a stirring mechanism, an electromagnetic three-way valve 1, an electromagnetic three-way valve 2, a water diversion pipe, a connecting pipe 1, a connecting pipe 2, a water outlet pipe, etc. The screen performs preliminary screening to filter large impurities, and the activated carbon filter element in the filter cartridge then absorbs and filters fine impurities. Finally, the stirring mechanism fully mixes and stirs the water body and the agent to sterilize and disinfect, thereby efficiently filtering the rainwater and achieving good quality recovery effect.

[0028] 2. The utility model can facilitate the cleaning of the screen and the activated carbon filter element in the filter cartridge by means of the partition plate, fixing mechanism, external threaded ring, elastic sealing ring 1, fixing ring 1, elastic sealing ring 2, sealing cover, fixing ring 2, etc., and is convenient for reinstalling and fixing the filter cartridge. In the cleaning process, the device does not need to stop running and can still carry out the filtering process without delaying the filtering rate. The operation is simple and convenient with high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0030] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0031] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0032] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0033] In the figure: 1. water storage tank; 2. sealing chamber; 3. water inlet tank; 4. filter cartridge; 5. activated carbon filter element; 6. partition plate; 7. screen; 8. fixing mechanism; 801. groove; 802. threaded rod; 803. motor one; 804. moving plate; 805. clamping ring; 9. stirring mechanism; 901. rotating shaft; 902. motor two; 903. stirring rod; 10. electromagnetic three-way valve one; 11. electromagnetic three-way valve two; 12. external threaded ring; 13. water diversion pipe; 14. connecting pipe one; 15. connecting pipe two; 16. elastic sealing ring one; 17. water outlet pipe; 18. fixing ring one; 19. elastic sealing ring two; 20. sealing cover; 21. feed pipe; 22. exhaust port; 23. drain pipe; 24. control valve; 25. cabinet door; 26. handle; 27. fixing ring two. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Embodiment 1:

[0036] like Figure 1-4 As shown, the utility model provides a composite filtering device for a rainwater reuse system, comprising a water storage tank 1, filter cartridges 4 are symmetrically arranged at the left and right ends of the upper side of the water storage tank 1, and a fixing mechanism 8 for fixing the filter cartridges 4 respectively is arranged on the water storage tank 1, and a plurality of activated carbon filter elements 5 are arranged inside the two filter cartridges 4, a sealing chamber 2 is fixedly installed on the upper end of the water storage tank 1, and a water inlet tank 3 is embedded and installed on the upper end of the sealing chamber 2, a partition plate 6 is fixedly installed in the middle of the inner side of the water inlet tank 3, and screens 7 are arranged on both sides of the partition plate 6, an electromagnetic three-way valve 10 is installed at the bottom of the water inlet tank 3, an electromagnetic three-way valve 2 11 connected with the inside of the water storage tank 1 is installed in the middle of the upper end of the water storage tank 1, and a stirring mechanism 9 is arranged inside the water storage tank 1.

[0037] Specifically, each set of fixing mechanism 8 includes a groove 801, a threaded rod 802 and a motor 1 803. The upper side of the water storage tank 1 is provided with a groove 801, a threaded rod 802 is rotatably installed in the groove 801, a motor 1 803 is fixedly installed on one side of the water storage tank 1, and the output shaft of the motor 1 803 is fixedly connected to the threaded rod 802. The advantage is that starting the motor 1 803 can drive the threaded rod 802 to rotate.

[0038] Specifically, each set of fixing mechanisms 8 further includes a moving plate 804 and a clamping ring 805. The outer side of the threaded rod 802 is threadedly connected with the moving plate 804. The upper end of the moving plate 804 passes through the groove 801 and is fixedly mounted with the clamping ring 805. The advantage is that when the threaded rod 802 rotates, the moving plate 804 is driven to move toward the middle of the water storage tank 1, so that the clamping ring 805 pushes the filter cartridge 4 to move for positioning and docking.

[0039] Specifically, a sealing cover 20 is provided at the upper end of the filter cartridge 4, an external thread ring 12 is fixedly installed at the bottom of the sealing cover 20, and a corresponding thread is provided at the inner upper end of the filter cartridge 4. The advantage is that the sealing cover 20 can be easily opened, so that the activated carbon filter element 5 inside the filter cartridge 4 can be cleaned and replaced.

[0040] Specifically, a water diversion pipe 13 is fixedly installed on the upper end of the sealing cover 20, and a connecting pipe 14 is fixedly installed on the two output ports of the electromagnetic three-way valve 10, and one end of the connecting pipe 14 away from the electromagnetic three-way valve 10 is sleeved on the outside of the water diversion pipe 13. The advantage is that the water diversion pipe 13 and the connecting pipe 14 are connected to each other, so that the water output by the electromagnetic three-way valve 10 is introduced into the filter cartridge 4 for filtration.

[0041] Specifically, a water outlet pipe 17 is fixedly installed at the bottom of one side of the filter cartridge 4, and a connecting pipe 2 15 is fixedly installed on the two output ports of the electromagnetic three-way valve 2 11, and one end of the connecting pipe 2 15 away from the electromagnetic three-way valve 2 11 is sleeved on the outside of the water outlet pipe 17. The advantage is that the water outlet pipe 17 is connected with the connecting pipe 2 15, so that the filtered water in the filter cartridge 4 is then transported to the electromagnetic three-way valve 2 11, and then flows into the water storage tank 1.

[0042] Specifically, a fixing ring 18 is fixedly installed on the outside of the water diversion pipe 13, and an elastic sealing ring 16 is arranged on one side of the fixing ring 18. A fixing ring 27 is fixedly installed on the outside of the water outlet pipe 17, and an elastic sealing ring 29 is arranged on one side of the fixing ring 27. The advantage is that the fixing ring 18 and the fixing ring 27 respectively complete the confirmation of the docking position, and the elastic sealing ring 16 and the elastic sealing ring 29 seal the interface to prevent water from flowing out of the body.

[0043] Embodiment 2:

[0044] like Figure 1-2As shown, as an improvement to the previous embodiment. Specifically, the stirring mechanism 9 includes a rotating shaft 901, a second motor 902 and a stirring rod 903. The rotating shaft 901 is rotatably mounted on the inner side of the water storage tank 1, and a plurality of stirring rods 903 are fixedly mounted on the outer side of the rotating shaft 901. The second motor 902 is fixedly mounted on the outer side of the water storage tank 1, and the output shaft of the second motor 902 is fixedly connected to the stirring rod 903. The advantage is that the second motor 902 is started to drive the rotating shaft 901 to rotate, and the stirring rod 903 stirs the water body and the added agent to fully mix, so as to perform disinfection and sterilization.

[0045] Specifically, the left and right sides of the sealed chamber 2 are both hinged with cabinet doors 25, and the cabinet doors 25 are equipped with handles 26. The advantage is that it is convenient to take out the filter cartridge 4 by opening the cabinet door 25, and clean and replace the activated carbon filter element 5 inside.

[0046] Specifically, a feed pipe 21 and an exhaust port 22 are respectively installed on the upper sides of the left and right ends of the water storage tank 1, and a drain pipe 23 is installed at the bottom of the water storage tank 1, and a control valve 24 is installed on the drain pipe 23. The advantage is that the feed pipe 21 is convenient for adding reagents, the exhaust port 22 discharges the generated waste gas, and the control valve 24 is opened to discharge the thoroughly treated water through the drain pipe 23.

[0047] When in use, water is introduced from one side of the water inlet tank 3, and the screen 7 filters larger impurities such as leaves. The water after preliminary filtration is controlled by the electromagnetic three-way valve 10 to be introduced into the filter cartridge 4 on one side. After the adsorption and filtration of the multi-layer activated carbon filter element 5, the water obtained by secondary filtration is controlled by the electromagnetic three-way valve 2 11 to be introduced into the water storage tank 1. The agent is added to the water storage tank 1 through the feed pipe 21, and the motor 2 902 is started to drive the rotating shaft 901 to rotate. The stirring rod 903 stirs the water body and the added agent to fully mix, and disinfection and sterilization work is performed. Finally, the valve 24 is controlled to discharge the thoroughly treated water through the drain pipe 23. Release; when cleaning, there is no need to stop the operation of the device. You only need to introduce the imported water from the other side of the water inlet tank 3, control the electromagnetic three-way valve 10 to allow the first filtered water to be introduced into another filter cartridge 4, and then control the electromagnetic three-way valve 2 11 to introduce the water into the water storage tank 1 for treatment. At the same time, the impurities on the filtered screen 7 in the water inlet tank 3 can be cleaned up, open one side of the cabinet door 25, start the motor 803 to drive the threaded rod 802 to rotate, and the movable plate 804 drives the clamping ring 805 to loosen the used filter cartridge 4, and then take out the filter cartridge 4, disassemble it to clean and replace the activated carbon filter element 5, and then install it in place.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite filtering device for a rainwater recycling system, comprising a water storage tank (1), characterized in that: Filter cartridges (4) are symmetrically arranged at the left and right ends of the upper side of the water storage tank (1), and the water storage tank (1) is provided with fixing mechanisms (8) for fixing the filter cartridges (4) respectively, and a plurality of activated carbon filter elements (5) are arranged inside the two filter cartridges (4). A sealing chamber (2) is fixedly installed at the upper end of the water storage tank (1), and a water inlet tank (3) is embedded and installed at the upper end of the sealing chamber (2). A partition plate (6) is fixedly installed in the middle of the inner side of the water inlet tank (3), and screens (7) are arranged on both sides of the partition plate (6). An electromagnetic three-way valve (10) is installed at the bottom of the water inlet tank (3), and an electromagnetic three-way valve (11) connected to the inside of the water storage tank (1) is installed in the middle of the upper end of the water storage tank (1). A stirring mechanism (9) is arranged inside the water storage tank (1).

2. The composite filtering device of a rainwater reuse system according to claim 1, characterized in that: Each set of the fixing mechanism (8) comprises a groove (801), a threaded rod (802) and a motor (803); the upper side of the water storage tank (1) is provided with a groove (801), a threaded rod (802) is rotatably mounted in the groove (801), a motor (803) is fixedly mounted on one side of the water storage tank (1), and an output shaft of the motor (803) is fixedly connected to the threaded rod (802).

3. The composite filtering device of the rainwater reuse system according to claim 2, characterized in that: Each set of the fixing mechanism (8) further comprises a movable plate (804) and a clamping ring (805); the outer side of the threaded rod (802) is threadedly connected to the movable plate (804); the upper end of the movable plate (804) passes through the groove (801) and is fixedly mounted with the clamping ring (805).

4. The composite filtering device of a rainwater reuse system according to claim 1, characterized in that: A sealing cover (20) is provided at the upper end of the filter cartridge (4), an external threaded ring (12) is fixedly mounted at the bottom of the sealing cover (20), and a corresponding matching thread is provided at the inner upper end of the filter cartridge (4).

5. The composite filtering device of the rainwater reuse system according to claim 4, characterized in that: A water diversion pipe (13) is fixedly mounted on the upper end of the sealing cover (20), a connecting pipe (14) is fixedly mounted on the two output ports of the electromagnetic three-way valve (10), and one end of the connecting pipe (14) away from the electromagnetic three-way valve (10) is sleeved on the outside of the water diversion pipe (13).

6. The composite filtering device of the rainwater reuse system according to claim 5, characterized in that: A water outlet pipe (17) is fixedly mounted on the bottom of one side of the filter cartridge (4), and a connecting pipe (15) is fixedly mounted on the two output ports of the second electromagnetic three-way valve (11), and one end of the second connecting pipe (15) away from the second electromagnetic three-way valve (11) is sleeved on the outside of the water outlet pipe (17).

7. The composite filtering device of the rainwater reuse system according to claim 6, characterized in that: A fixing ring 1 (18) is fixedly installed on the outer side of the water inlet pipe (13), and an elastic sealing ring 1 (16) is provided on one side of the fixing ring 1 (18); a fixing ring 2 (27) is fixedly installed on the outer side of the water outlet pipe (17), and an elastic sealing ring 2 (19) is provided on one side of the fixing ring 2 (27).

8. The composite filtering device of a rainwater reuse system according to claim 1, characterized in that: The stirring mechanism (9) comprises a rotating shaft (901), a second motor (902) and a stirring rod (903); the rotating shaft (901) is rotatably mounted on the inner side of the water storage tank (1); a plurality of stirring rods (903) are fixedly mounted on the outer side of the rotating shaft (901); the second motor (902) is fixedly mounted on the outer side of the water storage tank (1); and the output shaft of the second motor (902) is fixedly connected to the stirring rod (903).

9. The composite filtering device of a rainwater reuse system according to claim 1, characterized in that: Cabinet doors (25) are hingedly connected to the left and right sides of the sealed compartment (2), and handles (26) are installed on the cabinet doors (25).

10. The composite filtering device of a rainwater reuse system according to claim 1, characterized in that: A feed pipe (21) and an exhaust port (22) are respectively installed on the upper sides of the left and right ends of the water storage tank (1), and a drain pipe (23) is installed at the bottom of the water storage tank (1), and a control valve (24) is installed on the drain pipe (23).