Multi-stage sewage treatment equipment
By cleaning components and using a multi-stage filter structure, the problem of clogging during the initial filtration stage is solved, achieving efficient wastewater treatment.
Patent Information
- Application Number
- CN202520039918.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing wastewater treatment equipment experiences blockages during the initial filtration stage due to large filter media occupying a significant portion of the filter layer area, thus affecting filtration speed and efficiency.
The cleaning components include a motor-driven drive shaft and a driven shaft that move the initial filter screen. Larger filter materials are conveyed to the top of the main body via a connecting rod to avoid clogging. Multi-stage filtration is achieved through a combination structure of connecting frame and filter screen.
It effectively avoids clogging in the initial filtration stage, ensures filtration speed, improves wastewater treatment efficiency, and facilitates multi-stage treatment.
Smart Images

Figure CN223732336U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field especially relates to a multistage sewage treatment equipment. BACKGROUND
[0002] Sewage treatment equipment is an industrial equipment capable of effectively treating municipal domestic sewage, industrial wastewater and the like, avoiding sewage and pollutants directly flowing into water areas, and having important significance for improving ecological environment, enhancing urban grade and promoting economic development, and is mainly aimed at treating domestic sewage and similar industrial organic sewage.
[0003] In the prior art, when sewage is subjected to multistage filtration, the size of the filtered material usually decreases in turn, and large-size filtered material occupies more use area of the filter layer in preliminary filtration, causing congestion in a short time, greatly affecting the filtration speed of preliminary filtration, and greatly reducing the sewage treatment efficiency, and the multistage treatment of sewage is inconvenient. UTILITY MODEL CONTENT
[0004] Therefore, the utility model provides a multistage sewage treatment equipment, and mainly solves the technical problem that large-size filtered material causes congestion in preliminary filtration, affects the filtration speed of preliminary filtration, and reduces the sewage treatment efficiency.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a multistage sewage treatment equipment, comprising a main body, a cleaning assembly is installed in the inside of the main body, the cleaning assembly comprises a motor, the surface of the motor is fixedly connected with the front surface of the main body, the output end of the motor extends to the inside of the main body through the surface of the main body, the output shaft of the motor is fixedly connected with a driving shaft, the upper surface of the main body is fixedly connected with a mounting plate, the inside of the mounting plate is movably connected with a driven shaft, a preliminary filtration screen is sleeved between the mounting plate and the driven shaft, the side surface of the preliminary filtration screen is fixedly connected with a connecting plate, the side surface of the connecting plate is fixedly connected with a connecting rod, and a square groove is formed in the upper surface of the main body.
[0006] By adopting the above technical scheme, the large-size filtered material is conveyed away, so that congestion is avoided.
[0007] Further description of the above technical scheme is as follows:
[0008] The inside bottom surface of the main body is fixedly connected with a fixing seat, and an arc-shaped groove is formed in the side surface of the fixing seat.
[0009] By adopting the above technical scheme, the inside bottom of the main body is guided, and garbage is prevented from being stuck below the preliminary filtration screen.
[0010] Further description of the above technical scheme is as follows:
[0011] The upper surface of the main body is provided with a connecting groove, a connecting frame is installed inside the connecting groove, and a second filter screen is fixedly connected inside the connecting frame.
[0012] By adopting the above technical solution, the connecting frame can be installed inside the main body through the connecting groove.
[0013] As a further description of the above technical solution:
[0014] The surface of the connecting frame is provided with a receiving groove, the inner surface of the receiving groove is provided with a toggle groove, a spring is fixedly connected inside the receiving groove, a locking block is fixedly connected to one end of the spring, a lever is fixedly connected to the outer surface of the locking block, and the upper end of the lever extends through the inside of the toggle groove to the top of the toggle groove.
[0015] By adopting the above technical solution, the movement of the card block can be controlled, thereby controlling the installation and disassembly of the connecting frame.
[0016] As a further description of the above technical solution:
[0017] A fixing block is fixedly connected to the upper surface of the main body, and a fixing hole is opened on the surface of the fixing block. The interior of the fixing hole is movably connected to the outer surface of the card block.
[0018] By adopting the above technical solution, the card block can be limited, which facilitates the installation and fixation of the connecting frame.
[0019] As a further description of the above technical solution:
[0020] A discharge pipe is fixedly connected to the side surface of the main body, and the inner bottom surface of the discharge pipe is located on the same plane as the inner bottom surface of the main body.
[0021] By adopting the above technical solution, the filtered wastewater can be discharged.
[0022] By employing the above technical solution, the multi-stage wastewater treatment equipment of this utility model has at least the following beneficial effects:
[0023] Compared to existing technologies, this multi-stage wastewater treatment equipment, through its cleaning components, activates a motor during the initial filtration of wastewater. This motor rotates the drive shaft, which, in conjunction with the driven shaft, drives the initial filter screen. A connecting rod then carries the larger filter media upwards from the initial screen. At the rear, the connecting rod engages with a square groove to hold the larger media above the main body, thus removing them. Compared to current technologies, this multi-stage wastewater treatment equipment can convey the filter media during the initial filtration process, removing larger media to prevent clogging and ensuring that the initial filtration speed is not affected. This improves wastewater treatment efficiency and facilitates multi-stage wastewater treatment. Attached Figure Description
[0024] Figure 1 This is a first-view overall structural diagram of a multi-stage wastewater treatment device proposed in this utility model.
[0025] Figure 2 This is a second-view overall structural diagram of a multi-stage wastewater treatment device proposed in this utility model;
[0026] Figure 3 This is a first-view sectional view of the internal structure of a multi-stage wastewater treatment device proposed in this utility model.
[0027] Figure 4 This utility model proposes a multi-stage sewage treatment equipment. Figure 3 Enlarged view of the structure at point A in the middle;
[0028] Figure 5 This utility model proposes a multi-stage sewage treatment equipment. Figure 3 Enlarged view of the structure at point B in the middle;
[0029] Figure 6 This is a second-view internal structural cross-sectional view of a multi-stage wastewater treatment device proposed in this utility model;
[0030] Figure 7 This utility model proposes a multi-stage sewage treatment equipment. Figure 6 Enlarged view of the structure at point C.
[0031] Legend:
[0032] 1. Main body; 2. Cleaning assembly; 201. Motor; 202. Drive shaft; 203. Mounting plate; 204. Driven shaft; 205. Preliminary filter screen; 206. Connecting plate; 207. Connecting rod; 208. Square groove; 3. Fixing base; 4. Arc groove; 5. Connecting groove; 6. Connecting frame; 7. Second filter screen; 8. Receiving groove; 9. Pushing groove; 10. Spring; 11. Locking block; 12. Pushing rod; 13. Fixing block; 14. Fixing hole; 15. Discharge pipe. Detailed Implementation
[0033] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.
[0034] Reference Figures 1-7 The present invention provides a multi-stage sewage treatment device, comprising a main body 1, a cleaning component 2 installed inside the main body 1, the cleaning component 2 including a motor 201, the surface of the motor 201 being fixedly connected to the front of the main body 1, the output end of the motor 201 extending through the surface of the main body 1 into the interior of the main body 1, and the output shaft of the motor 201 being fixedly connected to a drive shaft 202, the rotation of the drive shaft 202 being controlled by the motor 201. Two mounting plates 203 are fixedly connected to the upper surface of the main body 1. A driven shaft 204 is movably connected inside the mounting plate 203. The two ends of the driven shaft 204 are movably connected to the interior of the two mounting plates 203 respectively. A preliminary filter screen 205 is sleeved between the mounting plate 203 and the driven shaft 204. The preliminary filter screen 205 can perform preliminary filtration of sewage. A connecting plate 206 is fixedly connected to the side surface of the preliminary filter screen 205. There are multiple connecting plates 206, which are evenly and equidistantly arranged. A connecting rod 207 is fixedly connected to the side surface of the connecting plate 206. A square groove 208 is opened on the upper surface of the main body 1. Multiple connecting rods 207 pass through the square groove 208, thereby pouring the filtered material onto the main body 1 to complete the treatment of large filtered materials.
[0035] A fixing seat 3 is fixedly connected to the inner bottom surface of the main body 1. The fixing seat 3 can prevent large filter objects from entering below the primary filter screen 205, which facilitates the filtering of the primary filter screen 205. An arc-shaped groove 4 is provided on the side surface of the fixing seat 3, which facilitates the transfer of the connecting rod 207 from the rear to the front.
[0036] The upper surface of the main body 1 has two connecting grooves 5. Connecting frames 6 can be inserted into the main body 1 through these grooves 5. Two connecting frames 6 are installed inside the connecting grooves 5. A second filter screen 7 is fixedly connected inside each connecting frame 6, arranged one after the other for multiple filtrations of wastewater. A receiving groove 8 is formed on the surface of the connecting frame 6. A lever 9 is formed on the inner surface of the receiving groove 8. A spring 10 is fixedly connected inside the receiving groove 8. The spring 10 applies force to a locking block 11, causing the locking block 11 to move outward. One end of the spring 10 is fixedly connected to the locking block 11, which can be connected to a fixing hole 14 to restrict the movement of the connecting frame 6. A lever 12 is fixedly connected to the outer surface of the locking block 11. The upper end of the lever 12 extends through the inside of the lever 9 to the top of the lever 9. The lever 12 controls the movement of the locking block 11, thereby disengaging it from the fixing hole 14. A fixing block 13 is fixedly connected to the upper surface of the main body 1. A fixing hole 14 is provided on the surface of the fixing block 13. The interior of the fixing hole 14 is movably connected to the outer surface of the card block 11. The fixing hole 14 facilitates the connection with the card block 11.
[0037] A discharge pipe 15 is fixedly connected to the side surface of the main body 1. The inner bottom surface of the discharge pipe 15 is on the same plane as the inner bottom surface of the main body 1. The filtered wastewater can be discharged through the discharge pipe 15.
[0038] Working principle:
[0039] During the initial filtration of wastewater, the motor 201 is started, causing the drive shaft 202 to rotate and cooperate with the driven shaft 204 to drive the initial filter screen 205. The connecting rod 207 carries the large filter material filtered by the initial filter screen 205 upward and, through the connecting rod 207 and the square groove 208 on the rear side, clamps the large filter material above the main body 1, thereby carrying the large filter material away.
[0040] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0041] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.
Claims
1. A multi-stage sewage treatment plant comprising a main body (1), characterised in that: The inside of the body (1) is provided with a cleaning assembly (2), the cleaning assembly (2) comprises a motor (201), the surface of the motor (201) is fixedly connected with the front surface of the body (1), the output end of the motor (201) extends to the inside of the body (1) through the surface of the body (1), the output shaft of the motor (201) is fixedly connected with a driving shaft (202), the upper surface of the body (1) is fixedly connected with a mounting plate (203), the inside of the mounting plate (203) is movably connected with a driven shaft (204), the mounting plate (203) and the driven shaft (204) are provided with a preliminary filter screen (205), the side surface of the preliminary filter screen (205) is fixedly connected with a connecting plate (206), the side surface of the connecting plate (206) is fixedly connected with a connecting rod (207), the upper surface of the body (1) is provided with a square groove (208).
2. A multi-stage sewage treatment apparatus according to claim 1, wherein: The inner bottom surface of the body (1) is fixedly connected with a fixed seat (3), and the side surface of the fixed seat (3) is provided with an arc-shaped groove (4).
3. A multi-stage sewage treatment apparatus according to claim 1, wherein: The upper surface of the body (1) is provided with a connecting groove (5), and the connecting groove (5) is provided with a connecting frame (6) in the inside, and the connecting frame (6) is fixedly connected with a second filter screen (7) in the inside.
4. A multi-stage sewage treatment apparatus according to claim 3, wherein: The surface of the connecting frame (6) is provided with a containing groove (8), the inner surface of the containing groove (8) is provided with a pushing groove (9), the inside of the containing groove (8) is fixedly connected with a spring (10), one end of the spring (10) is fixedly connected with a clamping block (11), the outer surface of the clamping block (11) is fixedly connected with a pushing rod (12), and the upper end of the pushing rod (12) extends to above the pushing groove (9) through the inside of the pushing groove (9).
5. A multi-stage sewage treatment apparatus according to claim 4, wherein: The upper surface of the body (1) is fixedly connected with a fixed block (13), the surface of the fixed block (13) is provided with a fixed hole (14), and the inside of the fixed hole (14) is movably connected with the outer surface of the clamping block (11).
6. A multi-stage sewage treatment apparatus according to claim 1, wherein: The side surface of the body (1) is fixedly connected with a discharge pipe (15), and the inner bottom surface of the discharge pipe (15) is located in the same plane as the inner bottom surface of the body (1).