Sewage filtering device
By introducing turbine blades and push plate structures into the sewage filter device, the debris on the top of the filter net is automatically cleaned, which solves the problem of low manual cleaning efficiency in the prior art and achieves efficient automatic cleaning effect.
Patent Information
- Application Number
- CN202421956848.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-08-13
AI Technical Summary
After the existing sewage filtration device is intercepted, it is inefficient when manual salvage is needed and the cleaning speed is slow.
A sewage filter device is designed, using turbine blades and push plate structures, which drives the turbine blades to rotate through sewage flow. The push plate slides the debris on the top of the filter screen along the discharge trough to achieve automatic cleaning.
It improves the cleaning efficiency of the sewage filter device, reduces the number of manual cleanings, and improves work efficiency.
Smart Images

Figure CN223299619U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage filtering devices, in particular to a sewage filtering device. Background Art
[0002] As we all know, sewage filtration is an important process in sewage treatment. Sewage filtration mainly intercepts garbage in sewage, such as branches, plastic bags, etc. The intercepted garbage will float above the filter plate and needs to be salvaged regularly to prevent excessive garbage from clogging the filter plate.
[0003] A Chinese authorized patent (authorization publication number: CN218025695U) discloses a sewage filter device with a cleaning function, comprising a sewage filter box, a water inlet pipe fixedly connected to the top of the sewage filter box, a first filter plate fixedly connected to the inner wall of the sewage filter box, a second filter plate fixedly connected to the inner wall of the sewage filter box, and an observation window installed on the surface of the sewage filter box; the sewage filter device with a cleaning function for sewage treatment, through a cleaning mechanism, starts a second motor to drive the rotating shaft to rotate, the rotation of the rotating shaft drives the first bevel gear and the second bevel gear to rotate, and also drives the bottom connecting rod, connecting plate and scraper to rotate, the scraper scrapes off the dirt on the inner wall of the sewage filter box, thereby achieving the purpose of cleaning the inner wall of the sewage filter box, solving the problem of a large amount of stains adhering to the inner wall that are inconvenient for later cleaning, and meeting people's usage needs.
[0004] The above technology also has the following problems: when filtering sewage, garbage will be trapped above the second filter plate. Since the sewage filter box has a certain depth, when salvaging the garbage above the second filter plate, relevant personnel need to use a long-handled net bag for salvaging, which is slow and inefficient. Utility Model Content
[0005] (1) Technical problems solved
[0006] In view of the deficiencies in the prior art, the present invention provides a sewage filtering device that solves the problems mentioned in the above background technology.
[0007] (2) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage filtering device, comprising a filter cartridge, an opening is provided at the top of the filter cartridge, the top of the filter cartridge is fixedly connected to a water inlet trough, the lower part of the filter cartridge is fixedly connected to a water outlet pipe, the bottom of the filter cartridge is fixedly connected to a base, a plurality of fixing frames are installed in the middle of the inner wall of the filter cartridge, a rotating shaft is installed on the fixing frame, a plurality of turbine blades are installed at the bottom of the rotating shaft, a filter screen is installed inside the filter cartridge, a plurality of push plates are provided on the outer wall of the upper part of the rotating shaft, a baffle is installed on the inner wall of the upper part of the filter cartridge, and a discharge trough is fixedly connected to the outer wall of the filter cartridge.
[0009] Furthermore, a plurality of fixing holes are provided on the edge of the base.
[0010] Furthermore, each fixing frame includes a swivel, and the outer wall of the swivel is fixedly connected to multiple fixing rods, each fixing rod is connected to the inner wall of the filter cylinder, and multiple grooves are provided on the rotating shaft. The swivel is installed in the grooves, and the swivel is connected to the grooves through rotation, and the swivel limits the rotating shaft.
[0011] Furthermore, through holes are evenly distributed on the push plate.
[0012] Furthermore, the bottom of the push plate contacts the top of the filter screen.
[0013] Furthermore, a drainage hole is provided on the outer wall of the filter cartridge, the bottom of the drainage hole is flush with the top of the filter screen, one end of the drainage groove is fixed on the filter cartridge below the drainage hole, and the other end of the drainage groove is tilted downward.
[0014] Furthermore, the baffle is located above the discharge hole, and one end is tilted downward.
[0015] (3) Beneficial effects
[0016] Compared with the prior art, the present invention provides a sewage filtering device with the following beneficial effects:
[0017] The sewage filtering device drives the turbine blades to rotate when sewage enters the filter cylinder, and at the same time the push plate rotates, pushing the debris on the top of the filter screen to slide out along the discharge chute through the push plate, reducing the number of cleaning times for workers and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the isometric structure of the present utility model;
[0019] Figure 2 This is a schematic cross-sectional view of the utility model;
[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the fixing frame in the utility model.
[0021] In the figure: 1. Filter cartridge; 2. Water outlet pipe; 3. Water inlet trough; 4. Base; 5. Fixed frame; 6. Rotating shaft; 7. Turbine blades; 8. Filter screen; 9. Baffle; 10. Push plate; 11. Drain trough. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1-3 The utility model provides a sewage filtering device, including a filter cartridge 1, an opening is provided at the top of the filter cartridge 1, and a water inlet trough 3 is fixedly connected to the top of the filter cartridge 1. Sewage enters the filter cartridge 1 through the water inlet trough 3. The lower part of the filter cartridge 1 is fixedly connected to a water outlet pipe 2. The water outlet pipe 2 is arranged horizontally. The bottom of the filter cartridge 1 is fixedly connected to a base 4, and a plurality of fixing holes are provided at the edge of the base 4. Expansion bolts are used to pass through the fixing holes to fix the filter cartridge 1.
[0024] A plurality of fixing frames 5 are installed in the middle of the inner wall of the filter cartridge 1, each fixing frame 5 includes a swivel, and a plurality of fixing rods are fixedly connected to the outer wall of the swivel, and each fixing rod is connected to the inner wall of the filter cartridge 1. A rotating shaft 6 is installed on the fixing frame 5, and a plurality of grooves are provided on the rotating shaft 6. The swivel is installed in the groove. Not only can the swivel rotate on the groove, but the swivel also limits the rotating shaft 6. A plurality of turbine blades 7 are installed at the bottom of the rotating shaft 6, and a plurality of push plates 10 are provided on the outer wall of the upper part of the rotating shaft 6. Through holes are evenly distributed on the push plates 10, and sewage blocks debris through the through holes. A filter screen 8 is installed inside the filter cartridge 1, and the bottom of the push plate 10 contacts the top of the filter screen 8. A baffle 9 is installed on the inner wall of the upper part of the filter cartridge 1, and a discharge trough 11 is fixedly connected to the outer wall of the filter cartridge 1.
[0025] The outer wall of the filter cartridge 1 is provided with a drainage hole, the bottom of the drainage hole is flush with the top of the filter screen 8, one end of the drainage groove 11 is fixed on the filter cartridge 1 below the drainage hole, and the other end of the drainage groove 11 is tilted downward, and the push plate 10 rotates to allow debris to pass through the drainage hole and slide out along the drainage groove 11.
[0026] The baffle 9 is located above the discharge hole, and the other end is tilted downward. After the sewage enters the filter cartridge 1, it is blocked by the baffle 9 to prevent it from flowing out directly from the discharge hole.
[0027] To sum up, when the sewage filtering device is in use, the device is placed at the discharge port, the sewage enters the filter cylinder 1 through the water inlet trough 3, the filter screen 8 filters the debris in the sewage, and at the same time, the water drives the turbine blades 7 to rotate, and the turbine blades 7 drive the rotating shaft 6 to rotate, and the rotating shaft 6 drives the push plate 10 to rotate, and the push plate 10 pushes the debris on the top of the filter screen 8. Under the action of centrifugal force, the debris passes through the discharge hole and slides out along the discharge trough 11.
[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sewage filtering device, comprising a filter cartridge (1), wherein the top of the filter cartridge (1) is provided with an opening, characterized in that: The top of the filter cartridge (1) is fixedly connected to a water inlet trough (3), the lower part of the filter cartridge (1) is fixedly connected to a water outlet pipe (2), the bottom of the filter cartridge (1) is fixedly connected to a base (4), a plurality of fixing frames (5) are installed in the middle of the inner wall of the filter cartridge (1), a rotating shaft (6) is installed on the fixing frame (5), a plurality of turbine blades (7) are installed at the bottom of the rotating shaft (6), a filter screen (8) is installed inside the filter cartridge (1), a plurality of push plates (10) are provided on the outer wall of the upper part of the rotating shaft (6), a baffle (9) is installed on the inner wall of the upper part of the filter cartridge (1), and a discharge trough (11) is fixedly connected to the outer wall of the filter cartridge (1).
2. A sewage filtering device according to claim 1, characterized in that: The edge of the base (4) is provided with a plurality of fixing holes.
3. A sewage filtering device according to claim 1, characterized in that: Each of the fixing frames (5) comprises a rotating ring, the outer wall of which is fixedly connected to a plurality of fixing rods, each fixing rod being connected to the inner wall of the filter cartridge (1), a plurality of grooves being provided on the rotating shaft (6), the rotating ring being installed in the grooves, the rotating ring being connected to the grooves by rotation, and the rotating ring limiting the rotating shaft (6).
4. A sewage filtering device according to claim 1, characterized in that: Through holes are evenly distributed on the push plate (10).
5. The sewage filtering device according to claim 1, characterized in that: The bottom of the push plate (10) contacts the top of the filter screen (8).
6. A sewage filtering device according to claim 1, characterized in that: The outer wall of the filter cylinder (1) is provided with a drainage hole, the bottom of the drainage hole is flush with the top of the filter screen (8), one end of the drainage groove (11) is fixed on the filter cylinder (1) below the drainage hole, and the other end of the drainage groove (11) is tilted downward.
7. A sewage filtering device according to claim 6, characterized in that: The baffle (9) is located above the discharge hole, and one end is tilted downward.
Citation Information
Patent Citations
Sewage filtering device with cleaning function for sewage treatment
CN218025695U