Novel efficient sand filtering device
By using multiple sets of sand and gravel insert plates and insertion connecting rods arranged in the sand filter device, the problem of blockage caused by impurities accumulation in the existing sand filter device is solved, and an efficient and deep water filtration effect is achieved.
Patent Information
- Application Number
- CN202422036703.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-21
AI Technical Summary
After a long time of use, the existing sand filter device will cause blockage due to the accumulation of impurities in the filter material, which will affect the filtration efficiency.
A new high-efficiency sand filter device is designed, using multiple sets of sand and gravel inserts arranged up and down. The sand and gravel inserts are fixed to the sand can body by inserting the connecting rod, and a switch for controlling the water inlet is set to facilitate replacement and cleaning of the sand and gravel inserts.
Through multiple filtration of multiple groups of sand and gravel inserts, the filtration degree of water is improved, deep filtration is achieved, and impurities are accumulated by replacing sand and gravel inserts, maintaining high-efficiency filtration effect.
Smart Images

Figure CN223010054U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sand filtration devices, in particular to a novel and efficient sand filtration device. Background Technique
[0002] Sand filtration is a water filtration process using natural quartz sand (usually with manganese sand and anthracite) as the filter media. The particle size of the quartz sand used is generally 0.5 - 1.2 mm, and the coefficient of uniformity is 2. The thickness of the filter layer and the filtration rate are determined by the quality of the raw water and the effluent. Sand filtration can be divided into gravity type and pressure type, and is commonly used for the water treatment after clarification or the advanced treatment of sewage and wastewater reuse after secondary treatment.
[0003] In the existing sand filtration device during the sand filtration process, the filtered impurities will accumulate in the sand filtration packing. After a long filtration time, the sand filtration packing will be blocked due to impurities, thus affecting the sand filtration efficiency. Therefore, a novel and efficient sand filtration device is proposed. Content of the Utility Model
[0004] The purpose of the utility model is to provide a novel and efficient sand filtration device to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A novel and efficient sand filtration device, including a sand filtration tank body and a sandstone insertion plate; an inlet is arranged at the top of the sand filtration tank body, and an outlet is arranged at the bottom of the sand filtration tank body. A valve is arranged on the inlet, and the filtered water enters the interior of the sand filtration tank body from the inlet. The opening and closing of the inlet are controlled by the valve, and the water after filtration flows out through the outlet. A number of vertically arranged slots are arranged on the sand filtration tank body, and the sandstone insertion plate passes through the slots and is arranged inside the sand filtration tank body. An inner tank support plate is arranged inside the sand filtration tank body, and the inner tank support plate surrounds the inner wall of the sand filtration tank body. The sandstone insertion plate is arranged on the inner tank support plate, and the inner tank support plate supports and protects the sandstone insertion plate. A sandstone groove is arranged at the bottom inside the sandstone insertion plate, and filter packing particles are filled in the sandstone groove. The filter packing particles filter and purify the water body, and a filter plate is arranged at the bottom of the sandstone groove.
[0006] Preferably, a tank body fixing block is arranged on the sand filtration tank body, and a through hole is arranged on the tank body fixing block. A plate body fixing block is arranged on the sandstone insertion plate, and a jack is arranged on the plate body fixing block. The through hole and the jack correspond to each other.
[0007] Preferably, an insertion connecting rod is arranged on the tank body fixing block, and the insertion connecting rod passes through the through hole and the jack. The insertion connecting rod fixes the sandstone insertion plate on the sand filtration tank body.
[0008] Preferably, multiple groups of sandstone insertion plates arranged vertically are arranged on the sand filtration tank body to achieve multiple filtration of water and provide the final filtration effect.
[0009] Preferably, the filter plate is provided with a plurality of filter holes, and the filter holes ensure that water passes through while preventing filter filler particles from falling off.
[0010] Preferably, a sealing layer is provided on the sand and gravel plug plate, and the sealing layer fits with the groove on the sand filter tank body, so that the sealing between the sand and gravel plug plate and the sand filter tank body is achieved through the provided sealing layer.
[0011] Preferably, a handle is provided on the sand and gravel insert plate to facilitate pulling out the sand and gravel insert plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting up multiple groups of sand and gravel plug plates, the water body enters multiple groups of filters, thereby improving the filtration degree of the water body and realizing deep filtration; by inserting a connecting rod to connect the sand and gravel plug plates and the sand filter tank body, the inserted connecting rod can be pulled out to replace the sand and gravel plug plates, thereby avoiding the accumulation of impurities inside the sand and gravel plug plates that affect the filtration efficiency and realizing efficient filtration; by setting a valve to control the switch of the water inlet, it is convenient to replace the sand and gravel plug plates. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the sand and gravel inserting plate structure of the utility model;
[0015] Figure 3 This is a schematic diagram of the internal structure of the sand filter tank of the utility model;
[0016] Numbers in the figure: 1. Sand filter tank body; 11. Water inlet; 12. Water outlet; 13. Valve; 14. Tank body fixing block; 15. Tank inner support plate; 2. Sand and gravel plug plate; 21. Handle; 22. Sand and gravel trough; 23. Filter plate; 24. Plate body fixing block; 241. Socket; 3. Insert connecting rod. DETAILED DESCRIPTION
[0017] 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 of 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.
[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0019] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0020] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: a novel and efficient sand filter device, including a sand filter tank body 1 and a sand and gravel insertion plate 2; an inlet 11 is provided on the top of the sand filter tank body 1, and an outlet 12 is provided on the bottom of the sand filter tank body 1. A valve 13 is provided on the inlet 11. Filtered water enters the interior of the sand filter tank body 1 from the inlet 11, and the opening and closing of the inlet 11 are controlled by the valve 13. The water after filtration flows out through the outlet 12. A number of vertically arranged slots are provided on the sand filter tank body 1, and the sand and gravel insertion plate 2 is arranged inside the sand filter tank body 1 through the slots. An in-tank support plate 15 is provided inside the sand filter tank body 1, and the in-tank support plate 15 surrounds the inner wall of the sand filter tank body 1. The sand and gravel insertion plate 2 is arranged on the in-tank support plate 15, and the in-tank support plate 15 supports and protects the sand and gravel insertion plate 2. A sand and gravel groove 22 is provided at the bottom inside the sand and gravel insertion plate 2, and filter packing particles are filled in the sand and gravel groove 22. The filter packing particles filter and purify the water body. A filter plate 23 is provided at the bottom of the sand and gravel groove 22.
[0021] Furthermore, a tank body fixing block 14 is provided on the sand filter tank body 1, and a perforation is provided on the tank body fixing block 14. A plate body fixing block 24 is provided on the sand and gravel insertion plate 2, and a jack 241 is provided on the plate body fixing block 24. The perforation and the jack 241 correspond to each other.
[0022] Furthermore, an insertion connecting rod 3 is provided on the tank body fixing block 14. The insertion connecting rod 3 passes through the perforation and the jack 241, and the insertion connecting rod 3 fixes the sand and gravel insertion plate 2 on the sand filter tank body 1.
[0023] Furthermore, multiple groups of sand and gravel insertion plates 2 arranged vertically are provided on the sand filter tank body 1 to achieve multiple filtration of water and provide a final filtration effect.
[0024] Further, a plurality of filter holes are provided on the filter plate 23. The provided filter holes ensure that water passes through while preventing the filtration packing particles from falling off.
[0025] Further, a sealing layer is provided on the sandstone inserting plate 2. The sealing layer fits with the slot on the sand filter tank body 1, and the sealing between the sandstone inserting plate 2 and the sand filter tank body 1 is realized through the provided sealing layer.
[0026] Further, a handle 21 is provided on the sandstone inserting plate 2 to facilitate the extraction of the sandstone inserting plate 2.
[0027] Working principle: The water inlet 11 inputs the water to be filtered into the interior of the sand filter tank body 1. The water body is sand-filtered by the filtration packing particles placed on the sandstone slot 22 inside the sandstone inserting plate 2. The filtration packing particles are stored by the filter plate 23. The filtered water flows out of the sand filter tank body 1 through the water outlet 12. When there are too many impurities filtered inside the sandstone inserting plate 2, the water inlet 11 can be closed through the valve 13, then the connecting rod 3 is pulled out, and the sandstone inserting plate 2 is extracted to clean or replace the sandstone inserting plate 2, so as to achieve long-term and efficient filtration inside the sand filter tank body 1.
[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A new type of high-efficiency sand filter device, characterized in that: The invention comprises a sand filter tank body (1) and a sand and gravel insert plate (2); the top of the sand filter tank body (1) is provided with a water inlet (11), the bottom of the sand filter tank body (1) is provided with a water outlet (12), the water inlet (11) is provided with a valve (13), the sand filter tank body (1) is provided with a plurality of slots arranged up and down, the sand and gravel insert plate (2) is arranged inside the sand filter tank body (1) through the slots, an inner tank support plate (15) is arranged inside the sand filter tank body (1), the inner tank support plate (15) surrounds the inner wall of the sand filter tank body (1), the sand and gravel insert plate (2) is arranged on the inner tank support plate (15), a sand and gravel groove (22) is arranged at the bottom of the sand and gravel insert plate (2), the sand and gravel groove (22) is filled with filter filler particles, and a filter plate (23) is arranged at the bottom of the sand and gravel groove (22).
2. A novel high-efficiency sand filter device according to claim 1, characterized in that: The sand filter tank body (1) is provided with a tank body fixing block (14), and the tank body fixing block (14) is provided with a through hole. The sand and gravel plug plate (2) is provided with a plate body fixing block (24), and the plate body fixing block (24) is provided with an insertion hole (241), and the through hole and the insertion hole (241) correspond to each other.
3. A novel high-efficiency sand filter device according to claim 2, characterized in that: The tank body fixing block (14) is provided with an insertion connecting rod (3), and the insertion connecting rod (3) passes through the through hole and the insertion hole (241).
4. A novel high-efficiency sand filter device according to claim 1, characterized in that: The sand filter tank body (1) is provided with a plurality of groups of sand and gravel inserting plates (2) arranged up and down.
5. A novel high-efficiency sand filter device according to claim 1, characterized in that: The filter plate (23) is provided with a plurality of filter holes.
6. A novel high-efficiency sand filter device according to claim 1, characterized in that: The sand and gravel inserting plate (2) is provided with a sealing layer, and the sealing layer fits in place with the groove on the sand filter tank body (1).
7. A novel high-efficiency sand filter device according to claim 1, characterized in that: The sand and gravel inserting plate (2) is provided with a handle (21).