Multifunctional gravel filter
By designing a multi-layer filter structure and a sterilization device, the problems of mixed filter layers and incomplete purification in existing sand and gravel filters are solved, achieving comprehensive water purification and efficient backwashing.
Patent Information
- Application Number
- CN202423119470.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing sand filters are prone to mixing of filter layers with different particle sizes during backwashing, making it difficult to remove impurities and effectively remove organic matter, pigments, odors and bacteria from the water.
A multi-layer filter structure was designed, including a gravel support layer, a sand filter layer, an activated carbon filter layer, and a zeolite filter layer, and equipped with a sterilization device. A stable water flow is ensured through an isolation net and a slow-flow pipe to prevent seepage between filter layers, combined with ultraviolet sterilization treatment.
It effectively filters suspended particles, silt and other impurities, while removing organic matter, odors, pigments and bacteria, thus improving backwashing efficiency and water purification effect.
Smart Images

Figure CN223576301U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter technical field, especially relate to a multifunctional sand filter. BACKGROUND
[0002] The sand filter is a kind of common water treatment equipment, mainly used to remove suspended solids, particulate matter and other impurities in water, it has wide application in many fields, such as agricultural irrigation, industrial water treatment, swimming pool water circulation system etc.
[0003] In prior art, part of sand filter can only filter suspended particles, silt, algae and other impurities in water during use, but after such filtration, some organic matter, colorants, peculiar smell, heavy metals and bacteria harmful to human body still remain in water and cannot be filtered;During backflushing, due to different water flow pressures at different positions, and no isolation between different filter layers, the lower layer of small particle size filter layer is easily flushed into the upper layer of large particle size filter layer during work, so that the lower layer of small particle size filter layer is easily mixed with the upper layer of large particle size filter layer, and the mixing between small particle size filter layer, large particle size filter layer and impurities makes the impurities be tightly squeezed by filter layers of different particle sizes, so that it is not easy to flush out the part of impurities during backflushing, and the difficulty of backflushing is increased. SUMMARY
[0004] The utility model aims at providing a kind of multifunctional sand filter, water impurities can be filtered while still remaining in water Organic matter and other substances can be filtered and disinfected, water flow can be smoothly entered into the inside of filter layer during backflushing, small particle size filter layer can be prevented from entering the inside of large particle size filter layer, so that backflushing work is more smooth.
[0005] To achieve the above object, a kind of multifunctional sand filter is provided, including warehouse body, the upper of warehouse body is fixedly connected with inlet pipe, the right side of inlet pipe is provided with inlet valve, the lower right side of warehouse body is fixedly connected with return pipe, the upper of return pipe is provided with return valve, the bottom of warehouse body is fixedly connected with outlet pipe, the right side of outlet pipe is provided with outlet valve, the lower of outlet pipe is fixedly connected with connecting pipe, the other end of connecting pipe is provided with sterilization device;
[0006] The inside of the bin body is fixedly connected with a support plate, the upper side of the support plate is fixedly connected with a slow flow pipe, the upper side of the support plate is provided with a support layer, the upper side of the support layer is provided with a third filter layer, the upper side of the third filter layer is provided with an isolation net, the upper side of the isolation net is provided with a second filter layer, the upper side of the second filter layer is provided with an isolation net, the upper side of the isolation net is provided with a first filter layer, the upper side of the first filter layer is provided with an isolation net, and the upper side of the isolation net is provided with a support layer.
[0007] According to the multifunctional sand filter, the lower side of the bin body is fixedly connected with a support seat, and the front side of the bin body is provided with an observation window.
[0008] According to the multifunctional sand filter, the sterilization device comprises a sterilization box, the inside of the sterilization box is fixedly connected with a transparent water pipe, and the upper and lower sides of the sterilization box are fixedly connected with purple light lamps.
[0009] According to the multifunctional sand filter, the left end of the transparent water pipe is fixedly connected with a connecting pipe, and the upper side of the right side of the transparent water pipe is provided with a sterilization valve.
[0010] According to the multifunctional sand filter, the support layer is gravel, and the first filter layer is sand.
[0011] According to the multifunctional sand filter, the second filter layer is activated carbon, and the third filter layer is zeolite.
[0012] The multifunctional sand filter has the following beneficial effects:
[0013] 1. Compared with the prior art, the multifunctional sand filter is provided with an activated carbon filter layer, a zeolite filter layer and a sterilization device, so that the device can filter suspended particles, silt, algae and other impurities in water, filter organic matter, peculiar smell, pigment, ammonia nitrogen, heavy metal ions and other substances in water, and kill bacteria in water, and the backwater pipe is arranged, so that the operator can perform reverse flushing treatment on the device.
[0014] 2. Compared with the prior art, the multifunctional sand filter is provided with a slow flow pipe, and isolation nets are arranged between different filter layers, and the filter materials at the upper and lower ends are gravel with large volume, so that the internal water flow is stable during the filtering or backwashing process of the device, the mutual penetration between filter layers is prevented, the self-filtering effect of different filter layers is ensured, and the backwashing operation is more smooth.
[0015] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model is further illustrated below in combination with the drawings and embodiments;
[0017] Figure 1 It is the perspective view of a multifunctional sand filter of the utility model;
[0018] Figure 2 It is the sectional view of the bin body of a multifunctional sand filter of the utility model;
[0019] Figure 3 It is the sectional view of the sterilization box of a multifunctional sand filter of the utility model;
[0020] Figure 4 It is the perspective view of the slow flow pipe of a multifunctional sand filter of the utility model.
[0021] Legend:
[0022] 1, bin body; 2, water inlet pipe; 3, water inlet valve; 4, water return pipe; 5, water return valve; 6, water outlet pipe; 7, water outlet valve; 8, connecting pipe; 9, sterilization device; 10, sterilization valve; 11, support seat; 12, observation window; 13, support plate; 14, slow flow pipe; 15, support layer; 16, isolation net; 17, first filter layer; 18, second filter layer; 19, third filter layer;
[0023] 91, sterilization box; 92, transparent water pipe; 93, purple light lamp. DETAILED DESCRIPTION
[0024] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0025] Referring to Figures 1-4 , the utility model embodiment a multifunctional sand filter, it includes bin body 1, the upper fixed connection of bin body 1 has water inlet pipe 2, the right side of water inlet pipe 2 is provided with water inlet valve 3, the right side below of bin body 1 is fixedly connected with water return pipe 4, the upper of water return pipe 4 is provided with water return valve 5, the bottom of bin body 1 is fixedly connected with water outlet pipe 6, the right side of water outlet pipe 6 is provided with water outlet valve 7, the lower of water outlet pipe 6 is fixedly connected with connecting pipe 8, the other end of connecting pipe 8 is provided with sterilization device 9, and the sterilization device 9 includes sterilization box 91, the inside fixed connection of sterilization box 91 has transparent water pipe 92, the upper and lower sides of sterilization box 91 are fixedly connected with purple light lamp 93, the left end of transparent water pipe 92 is fixedly connected with connecting pipe 8, and the right side upper of transparent water pipe 92 is provided with sterilization valve 10.
[0026] The above structure is provided with the water inlet pipe 2, so that the user can fix the external water pipe, and then guide the water to be filtered into the inside of the warehouse body 1.
[0027] By setting the backwater pipe 4, and the upper part of the backwater pipe 4 is provided with the backwater valve 5, when the operator needs to reverse flush the filter layer inside the warehouse body 1, first open the backwater valve 5, then connect the external water pipe to the right end of the backwater pipe 4, so that the water flows into the inside of the warehouse body 1 from bottom to top, and finally flows out from the water inlet pipe 2, so as to complete the reverse flushing of the warehouse body 1.
[0028] By setting the water outlet pipe 6, the water after filtering is discharged from the water outlet pipe 6, the other end of the water outlet pipe 6 is fixedly connected with the connecting pipe 8, and the other end of the connecting pipe 8 is fixedly connected with the transparent water pipe 92, so that the filtered water flows into the inside of the transparent water pipe 92, the transparent section of the transparent water pipe 92 is located in the inside of the sterilization box 91, and the inside of the sterilization box 91 is fixedly connected with the purple light lamp 93, so that the water flowing into the inside of the transparent water pipe 92 is irradiated by the purple light lamp 93, and the bacteria remaining in the water are killed by the irradiation of the purple light lamp 93, realizing the filtering and sterilization of the water by the device.
[0029] The lower part of the warehouse body 1 is fixedly connected with the support seat 11, the front of the warehouse body 1 is provided with the observation window 12, the inside of the warehouse body 1 is fixedly connected with the support plate 13, the upper part of the support plate 13 is fixedly connected with the slow flow pipe 14, the upper part of the support plate 13 is provided with the support layer 15, the support layer 15 is gravel, the upper part of the support layer 15 is provided with the third filter layer 19, the third filter layer 19 is zeolite, the upper part of the third filter layer 19 is provided with the isolation net 16, the upper part of the isolation net 16 is provided with the second filter layer 18, the second filter layer 18 is activated carbon, the upper part of the second filter layer 18 is provided with the isolation net 16, the upper part of the isolation net 16 is provided with the first filter layer 17, the first filter layer 17 is sandstone, the upper part of the first filter layer 17 is provided with the isolation net 16, and the upper part of the isolation net 16 is provided with the support layer 15.
[0030] The above structure is provided with the support plate 13, which can support the multi-layer filter layer, the upper part of the support plate 13 is fixedly connected with the slow flow pipe 14, so that when the device performs backwashing operation, the water can stably flow into the inside of the bottom support layer 15, so that the water stably backwashes the impurities, reduces the influence on the filter layer during backwashing, and the isolation net 16 is provided, and the isolation net 16 isolates the support layer 15, the first filter layer 17, the second filter layer 18 and the third filter layer 19, so that during the filtering operation or the reverse flushing process, the filter layers do not penetrate each other in a large area, so that the filter layers of different materials can better complete their own filtering work.
[0031] By setting the first filter layer 17, and the first filter layer 17 is a sand filter layer, so that it removes suspended particles, silt, algae and other impurities in the water by physical filtration.
[0032] By setting the second filter layer 18, and the second filter layer 18 is an activated carbon filter layer, which has a strong adsorption capacity, and can remove organic matter, odor, color and other impurities in the water.
[0033] By setting the third filter layer 19, and the third filter layer 19 is a zeolite filter layer, which has good ion exchange performance, and can remove ammonia nitrogen, heavy metal ions and other impurities in the water.
[0034] Working principle: when using the multifunctional sand filter, first connect the external water pipe with the water inlet pipe 2, open the water inlet valve 3, close the backwater valve 5, open the water outlet valve 7, open the switch of the purple light 93, and finally open the sterilization valve 10. At this time, the water body is introduced into the inside of the warehouse body 1 by the external water pump, and the impurities and organic matter in the water body are filtered by the support layer 15, the first filter layer 17, the second filter layer 18 and the third filter layer 19. Finally, the water body is sterilized by the irradiation of the purple light 93, so as to complete the filtration of the water body.
[0035] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A multifunctional grit filter, characterized by, Including the warehouse body (1), the upper fixed connection of warehouse body (1) has the water inlet pipe (2), the right side of water inlet pipe (2) is provided with water inlet valve (3), the lower right side of warehouse body (1) is fixedly connected with the return water pipe (4), the upper return water pipe (4) is provided with return water valve (5), the bottom of warehouse body (1) is fixedly connected with the water outlet pipe (6), the right side of water outlet pipe (6) is provided with water outlet valve (7), the lower of water outlet pipe (6) is fixedly connected with the connecting pipe (8), the other end of connecting pipe (8) is provided with sterilization device (9); The inside of the warehouse body (1) is fixedly connected with the support plate (13), the upper support plate (13) is fixedly connected with the buffer pipe (14), the upper support plate (13) is provided with support layer (15), the upper support layer (15) is provided with third filter layer (19), the upper third filter layer (19) is provided with isolation net (16), the upper isolation net (16) is provided with second filter layer (18), the upper second filter layer (18) is provided with isolation net (16), the upper isolation net (16) is provided with first filter layer (17), the upper first filter layer (17) is provided with isolation net (16), the upper isolation net (16) is provided with support layer (15).
2. The multi-functional grit filter according to claim 1, wherein The lower of the warehouse body (1) is fixedly connected with the support seat (11), the front of the warehouse body (1) is provided with observation window (12).
3. The multi-functional grit filter according to claim 1, wherein The sterilization device (9) includes sterilization box (91), the inside of sterilization box (91) is fixedly connected with transparent water pipe (92), the upper and lower sides of sterilization box (91) are fixedly connected with purple light (93).
4. A multi-functional grit filter according to claim 3, wherein The left end of the transparent water pipe (92) is fixedly connected with the connecting pipe (8), the right side of the transparent water pipe (92) is provided with sterilization valve (10) above.
5. The multi-functional grit filter according to claim 1, wherein The support layer (15) is gravel, the first filter layer (17) is sandstone.
6. The multi-functional grit filter according to claim 1, wherein The second filter layer (18) is activated carbon, and the third filter layer (19) is zeolite.