A combined rainwater sedimentation tank
By designing a combined rainwater sedimentation tank, which utilizes inclined troughs and filter plates to adsorb impurities, and combines them with scraper plates and arc-shaped plates, the problem of water quality degradation caused by sediment agitation is solved, achieving a more efficient water purification effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Jiangsu Yuexi Environmental Technology Co., Ltd.
- Filing Date
- 2024-08-07
- Publication Date
- 2026-07-07
AI Technical Summary
Existing rainwater sedimentation ponds are prone to having sediment stirred up during the sludge scraping process, which leads to a deterioration in the quality of the purified water.
Design a combined rainwater sedimentation tank, comprising a main body, filter plates, sludge scraping components, and corrugated plates. Impurities are adsorbed by the inclined troughs and filter plates, and the cooperation of sludge scraping plates and arc-shaped plates prevents sediment from being stirred up, ensuring that sediment enters the sludge channel and is removed by a water pump.
It effectively adsorbs impurities in the water, prevents sediment from being stirred up, improves the quality of filtered water, avoids clogging of the arc-shaped groove, and ensures purification effect.
Smart Images

Figure CN224462409U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sedimentation tank technology, specifically a combined rainwater sedimentation tank. Background Technology
[0002] Rainwater sedimentation tanks are structures that use sedimentation to remove suspended solids from water, thus purifying the water. They utilize the natural sedimentation or coagulation process to remove suspended solids from the water.
[0003] During the sedimentation process, due to natural sedimentation or coagulation sedimentation, the silt and other suspended solids contained in the rainwater will gradually settle at the bottom of the rainwater sedimentation pond. Most existing rainwater sedimentation ponds use a sludge scraper to scrape the sediment from the bottom of the rainwater sedimentation pond to a specific location, and then use a water pump or other device that can remove the sediment from the rainwater sedimentation pond.
[0004] However, when the sludge scraping device scrapes off the sediment, it can easily cause the sediment to be stirred up, resulting in a deterioration of the purified water quality and ultimately poor water quality after filtration. Utility Model Content
[0005] Based on the above-mentioned problems existing in the prior art, the purpose of this utility model embodiment is to provide a combined rainwater sedimentation tank to prevent sediment from being stirred up and improve the quality of filtered water.
[0006] The technical solution adopted by this utility model to solve its technical problem is: a combined rainwater sedimentation tank, including a main body and multiple filter plates. An inlet is opened at the top of one side wall of the main body. A water filtration chamber is provided inside the main body. The water filtration chamber is located at the opening end of the main body. Multiple crossbeams are fixed at the bottom of the water filtration chamber. Multiple inclined grooves are opened on the crossbeams. The filter plates are embedded in the inclined grooves. An outlet is opened on the side wall of the water filtration chamber away from the inlet.
[0007] Furthermore, a water receiving pool is fixed outside the side wall of the water filter chamber away from the water inlet, and a through hole is provided on the side wall of the water receiving pool.
[0008] Furthermore, it includes a sludge scraping assembly, which includes a rotating shaft, a crossbeam, and multiple scraper blades. The crossbeam is fixed on the rotating shaft, and the multiple scraper blades are all fixed on the crossbeam. The end of each scraper blade away from the crossbeam abuts against the bottom wall of the main body. A second crossbeam is provided at the port of the filter chamber away from the bottom wall of the main body, and the rotating shaft is rotatably connected to the second crossbeam.
[0009] Furthermore, a third crossbeam is provided at the end of the water filtration chamber away from the second crossbeam, and the rotating shaft passes through the third crossbeam. The second crossbeam and the first crossbeam are arranged side by side.
[0010] Furthermore, the bottom of the main body is provided with a base, and an arc-shaped groove is formed on the bottom wall of the main body. A sludge channel is formed in the base, and the arc-shaped groove is connected to the sludge channel. The sludge scraping assembly includes an arc-shaped plate, which is located at one end of the rotating shaft near the bottom wall of the main body. The edge of the arc-shaped plate abuts against the inner sidewall of the arc-shaped groove.
[0011] Furthermore, the main body is provided with a partition, the two sides of which are respectively connected to the two inner side walls of the main body, one end of which is connected to the side wall of the filter chamber, and the main body is provided with a corrugated plate, which is located at the end of the partition away from the filter chamber, the rotating shaft passes through the corrugated plate, and the corrugated plate has multiple small holes.
[0012] Compared with the prior art, the beneficial effects achieved by this utility model are:
[0013] 1. The rainwater to be settled is injected into the main body from the inlet. Due to the obstruction of the baffle, the rainwater will directly reach the bottom of the main body. As the water volume increases, the water level inside the main body gradually rises. Through natural sedimentation or coagulation sedimentation, the impurities in the water are condensed to form suspended matter. Finally, the suspended matter falls onto the bottom wall of the main body.
[0014] 2. By opening an inclined groove on the crossbeam and embedding the filter plate inside, multiple filter plates are arranged obliquely in the water filtration chamber. As the water level gradually rises, small particulate impurities in the water are adsorbed by the filter plates. Finally, the purified water flows out from the outlet into the receiving pool. The direct contact area between the obliquely set filter plates and the direction of water movement is increased, which can more effectively adsorb impurities in the water.
[0015] 3. Drive the shaft to rotate with external torque, which will drive the scraper to rotate through the cross frame, gather the sediment on the bottom wall of the main body, and let the sediment enter the arc-shaped groove and fall into the sludge channel. At this time, the sediment can be sucked out from the sludge channel by a water pump or other device that can pick up the sediment, thus completing the removal of sediment.
[0016] 4. When the scraper scrapes the sediment, the sediment is turned up and moves upward with the water body. It is blocked by the corrugated plate. Because the sediment at the bottom adheres to each other, the sediment formed is relatively large and does not easily pass through the small holes. Therefore, the sediment does not easily move into the water body above the corrugated plate. This can ensure that the water quality above the corrugated plate is better to a certain extent, and the water quality of the water body formed after filtration can also be improved.
[0017] 5. When the shaft rotates, it causes the arc plate to continuously scrape the side wall of the arc groove, which can prevent deposits from adhering to the inner side wall of the arc groove and causing blockage at the arc groove. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] In the picture:
[0020] Figure 1 This is a three-dimensional schematic diagram of the rainwater sedimentation tank in this utility model;
[0021] Figure 2 This is a cross-sectional view of the rainwater sedimentation tank in this utility model;
[0022] Figure 3 yes Figure 1 A three-dimensional schematic diagram of the main body;
[0023] Figure 4 yes Figure 1 A three-dimensional schematic diagram of the mud scraping component in the image;
[0024] Figure 5 yes Figure 2 A three-dimensional schematic diagram of the wave plate in the diagram;
[0025] In the picture:
[0026] 1. Main body;
[0027] 10. Water inlet; 11. Filter chamber; 12. Second crossbeam; 13. Third crossbeam; 14. Partition; 15. Water receiving tank; 16. Base; 17. First crossbeam;
[0028] 110. Water outlet;
[0029] 150. Through hole;
[0030] 1601. Arc-shaped groove; 1602. Silt channel;
[0031] 170. Inclined groove;
[0032] 2. Sludge scraper assembly;
[0033] 21. Rotating shaft; 22. Crossbar; 23. Scraper blade; 24. Curved plate;
[0034] 3. Filter plate;
[0035] 4. Waveform board;
[0036] 40. Small hole. Detailed Implementation
[0037] The present invention will now be described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.
[0038] Please see Figure 1-5 The present invention provides a technical solution: a combined rainwater sedimentation tank, comprising a main body 1, a sludge scraping assembly 2, multiple filter plates 3 and a corrugated plate 4.
[0039] A water inlet 10 is provided at the top of one of the side walls of the main body 1, and a water filter chamber 11 is provided inside the main body 1, with the water filter chamber 11 located at the opening end of the main body 1.
[0040] The water filter chamber 11 has an outlet 110 on its side wall away from the inlet 10.
[0041] A second crossbeam 12 is provided at the end of the water filter chamber 11 away from the bottom wall of the main body 1, and a third crossbeam 13 is provided at the end of the water filter chamber 11 away from the second crossbeam 12.
[0042] The main body 1 has a partition 14 inside. The two sides of the partition 14 are connected to the two inner side walls of the main body 1 respectively, and one end of the partition 14 is connected to the side wall of the filter chamber 11.
[0043] A water receiving pool 15 is fixed outside the side wall of the water filter chamber 11 away from the water inlet 10, and a through hole 150 is provided on the side wall of the water receiving pool 15.
[0044] The bottom of the main body 1 is provided with a base 16, and an arc-shaped groove 1601 is provided on the bottom wall of the main body 1. A silt channel 1602 is provided in the base 16, and the arc-shaped groove 1601 is connected to the silt channel 1602.
[0045] The bottom of the water filter chamber 11 is fixed with multiple crossbeams 17, and multiple inclined grooves 170 are opened on the crossbeams 17.
[0046] The mud scraper assembly 2 includes a rotating shaft 21, a crossbar 22, multiple mud scraper blades 23, and an arc-shaped plate 24.
[0047] The cross frame 22 is fixed on the rotating shaft 21, and multiple scraper blades 23 are fixed on the cross frame 22. The end of the scraper blade 23 away from the cross frame 22 abuts against the bottom wall of the main body 1.
[0048] The rotating shaft 21 is rotatably connected to the crossbeam 12.
[0049] The pivot 21 passes through the crossbeam 3 13, and the crossbeam 2 12 is set side by side with the crossbeam 1 17.
[0050] The arc-shaped plate 24 is located at one end of the rotating shaft 21 near the bottom wall of the main body 1, and the edge of the arc-shaped plate 24 abuts against the inner side wall of the arc-shaped groove 1601.
[0051] The filter plate 3 is embedded in the inclined groove 170.
[0052] The corrugated plate 4 is located inside the main body 1. The corrugated plate 4 is located at the end of the partition 14 away from the filter chamber 11. The rotating shaft 21 passes through the corrugated plate 4. Multiple small holes 40 are opened on the corrugated plate 4.
[0053] The rainwater to be settled is injected into the main body 1 through the inlet 10. Due to the obstruction of the baffle 14, the rainwater will directly reach the bottom of the main body 1. As the water volume increases, the water level inside the main body 1 gradually rises. Through natural sedimentation or coagulation sedimentation, the impurities in the water are condensed to form suspended matter. Finally, the suspended matter falls onto the bottom wall of the main body 1.
[0054] By opening an inclined groove 170 on the crossbeam 17 and embedding the filter plate 3 therein, multiple filter plates 3 are arranged obliquely in the water filtration chamber 11. As the water level gradually rises, small particulate impurities in the water are adsorbed by the filter plates 3. Finally, the purified water flows out from the outlet 110 into the receiving pool 15. The direct contact area between the obliquely arranged filter plates 3 and the direction of water movement is increased, which can more effectively adsorb impurities in the water.
[0055] It is understandable that by driving the shaft 21 to rotate with external torque, the scraper 23 can be rotated through the crossbeam 22, which will gather the sediment on the bottom wall of the main body 1, so that the sediment enters the arc-shaped groove 1601 and falls into the sludge channel 1602. At this time, the sediment can be sucked out of the sludge channel 1602 by a water pump (not shown) or other device that can suck up the sediment, thus completing the removal of the sediment.
[0056] During this process, when the scraper 23 scrapes the sediment, the sediment is turned up and moves upward with the water body. It is blocked by the corrugated plate 4. Because the sediments at the bottom adsorb each other, the resulting sediments are relatively large and do not easily pass through the small holes 40. Therefore, the sediments do not easily move into the water body above the corrugated plate 4, which can ensure that the water quality above the corrugated plate 4 is better to a certain extent. The water quality of the water body formed after filtration can also be improved.
[0057] When the rotating shaft 21 rotates, it causes the arc plate 24 to continuously scrape the side wall of the arc groove 1601, which can prevent deposits from adhering to the inner side wall of the arc groove 1601 and causing blockage at the arc groove 1601.
[0058] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the scope of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.
Claims
1. A combined rainwater sedimentation tank, characterized in that: The device includes a main body and multiple filter plates. An inlet is provided at the top of one side wall of the main body. A water filtration chamber is provided inside the main body and is located at the opening end of the main body. Multiple crossbeams are fixed at the bottom of the water filtration chamber. Multiple inclined grooves are provided on the crossbeams. The filter plates are embedded in the inclined grooves. An outlet is provided on the side wall of the water filtration chamber away from the inlet.
2. The combined rainwater sedimentation tank according to claim 1, characterized in that: A water receiving pool is fixed outside the side wall of the filter chamber away from the water inlet, and a through hole is provided on the side wall of the water receiving pool.
3. The combined rainwater sedimentation tank according to claim 1, characterized in that: The system includes a sludge scraping assembly, which includes a rotating shaft, a crossbeam, and multiple scraper blades. The crossbeam is fixed to the rotating shaft, and the multiple scraper blades are all fixed to the crossbeam. The end of each scraper blade away from the crossbeam abuts against the bottom wall of the main body. A second crossbeam is provided at the port of the filter chamber away from the bottom wall of the main body, and the rotating shaft is rotatably connected to the second crossbeam.
4. A combined rainwater sedimentation tank according to claim 3, characterized in that: The filter chamber is provided with a third crossbeam at the end away from the second crossbeam, and the rotating shaft passes through the third crossbeam. The second crossbeam and the first crossbeam are arranged side by side.
5. A combined rainwater sedimentation tank according to claim 3, characterized in that: The main body has a base at its bottom, and an arc-shaped groove is formed on the bottom wall of the main body. A sludge channel is formed in the base, and the arc-shaped groove is connected to the sludge channel. The sludge scraping assembly includes an arc-shaped plate, which is located at one end of the rotating shaft near the bottom wall of the main body. The edge of the arc-shaped plate abuts against the inner side wall of the arc-shaped groove.
6. A combined rainwater sedimentation tank according to claim 5, characterized in that: The main body has a partition inside, and the two sides of the partition are respectively connected to the two inner side walls of the main body. One end of the partition is connected to the side wall of the water filter chamber. The main body has a corrugated plate inside, and the corrugated plate is located at the end of the partition away from the water filter chamber. The rotating shaft passes through the corrugated plate, and the corrugated plate has multiple small holes.