Sludge scraping device for sewage treatment sedimentation tank

Abstract

The utility model discloses a sludge scraping device for a sewage treatment sedimentation tank, which relates to the technical field of sewage treatment and comprises a base, a frame is mounted above the base, a machine box is mounted at the front end of the frame, the sludge scraping device further comprises a scraping mechanism, and the scraping mechanism comprises an auxiliary motor arranged in the machine box. An output shaft of the auxiliary motor is provided with a rotating ring through a coupler, a rotating disc is fixedly connected to the center of the bottom end of the rotating ring, scraping assemblies used for scraping sludge are installed on the two sides of the bottom end of the rotating ring, an installation frame is installed below the machine box, and a stirring rod is connected into a limiting plate in a sleeved mode. And the lifting mechanism is arranged above the frame, and the lifting mechanism is used for lifting the device. The sludge scraping device of the sewage treatment sedimentation tank disclosed by the utility model has the advantages that the stirring rod can be used for stirring and scattering sludge sinking to the bottom in the sedimentation tank, and the sludge cleaning effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sludge scraping device for a sewage treatment sedimentation tank. Background Technique

[0002] A sedimentation tank is a structure that uses sedimentation to remove suspended solids in water, a device for purifying water quality. It uses the natural sedimentation or coagulation sedimentation of water to remove suspended solids in water. Sedimentation tanks are divided into horizontal sedimentation tanks and vertical sedimentation tanks according to the water flow direction.

[0003] The patent document with the publication number 202023244216.2, a sludge scraping device for a sewage treatment sedimentation tank, discloses a sludge scraping device for a sewage treatment sedimentation tank. The sludge scraping device for a sewage treatment sedimentation tank includes: a sedimentation tank; a mounting plate fixedly installed on an outer wall of one side of the sedimentation tank; a telescopic rod fixedly installed on the top of the mounting plate; a mounting block fixedly installed at the top of the telescopic rod; an electric push rod fixedly installed on the top of the mounting block; and a hydraulic cylinder fixedly installed on an output shaft of the electric push rod. The sludge scraping device for a sewage treatment sedimentation tank provided by the utility model has the advantages of simple operation, time and labor saving, can reduce potential safety hazards, and avoid reducing the sewage treatment efficiency.

[0004] Disadvantages; for example, when the existing sedimentation tank is scraped by staff for the sludge inside, usually the existing sludge scraping device is difficult to scrape the sludge layer by layer, and the existing sludge scraping device usually only has a single sludge scraping function and has a poor use effect. Content of the Utility Model

[0005] The utility model discloses a sludge scraping device for a sewage treatment sedimentation tank, aiming to solve the technical problems that when the existing sedimentation tank is scraped by staff for the sludge inside, usually the existing sludge scraping device is difficult to scrape the sludge layer by layer, and the existing sludge scraping device usually only has a single sludge scraping function and has a poor use effect.

[0006] In order to achieve the above object, the utility model adopts the following technical solutions:

[0007] A sludge scraping device for a sewage treatment sedimentation tank, comprising a base, a frame is installed above the base, a machine box is installed at the front end of the frame, and further comprising a scraping mechanism: the scraping mechanism includes an auxiliary motor arranged inside the machine box, the output shaft of the auxiliary motor is installed with a rotating ring through a coupling, a turntable is fixedly connected to the center of the bottom end of the rotating ring, scraping components for scraping sludge are installed on both sides of the bottom end of the rotating ring, an installation frame is installed below the machine box, a limiting plate is installed inside the installation frame, a stirring rod is sleeved inside the limiting plate, one end of the stirring rod is fixedly connected with a connecting component for rotating the stirring rod, and a driving component for stirring the inside of the sedimentation tank is installed at the bottom end of the turntable; a lifting mechanism: the lifting mechanism is arranged above the frame, and the lifting mechanism is used for lifting the device.

[0008] By setting the scraping mechanism, the staff starts the auxiliary motor installed inside the machine box, so that the output shaft of the auxiliary motor drives the rotating ring to rotate through the coupling, and during the rotation of the rotating ring, the sludge attached to the inner wall of the sedimentation tank is scraped off. At the same time, the rotating ring drives the turntable fixedly connected to the bottom end to rotate, so that during the rotation of the turntable, the stirring rod is guided to rotate inside the limiting plate, and the stirring rod can stir and disperse the sludge deposited at the bottom of the sedimentation tank.

[0009] In a preferred scheme, the lifting mechanism includes a main motor arranged above the frame, the output shaft of the main motor is installed with a connecting rod through a coupling, and a sleeve plate is threadedly connected to the outer surface of the connecting rod.

[0010] By setting the lifting mechanism, the staff starts the main motor installed at the top end of the frame, so that the output shaft of the main motor drives the connecting rod to rotate inside the frame through the coupling, and the connecting rod drives the sleeve plate threadedly connected to the outer surface to lift, thereby adjusting the use height of the device.

[0011] In a preferred scheme, the scraping component includes scraping blades arranged on both sides of the bottom end of the rotating ring.

[0012] By setting the scraping component, the sludge attached to the inner wall of the sedimentation tank can be scraped off.

[0013] In a preferred scheme, the connecting component includes a rotating gear arranged at one end of the stirring rod, and the rotating gear is meshed with the turntable.

[0014] By setting the connecting component, the rotating gear meshed with one side can be driven to rotate during the rotation of the turntable.

[0015] In a preferred embodiment, the driving assembly includes a guide rod disposed at the bottom end of the turntable, and the stirring rod is sleeved inside the guide rod.

[0016] By providing the driving assembly, the guide rod can drive the stirring rod to rotate while rotating.

[0017] In a preferred embodiment, one end of the sleeve plate is provided with a threaded groove, the outer surface of the connecting rod is provided with threads, and the sleeve plate and the machine box are fixedly connected.

[0018] In a preferred embodiment, one end of the stirring rod is fixedly connected with a stirring head, and one side of the scraping blade is conical in shape.

[0019] The present utility model discloses a sludge scraping device for a sewage treatment sedimentation tank, which has the following beneficial effects.

[0020] First, by providing a scraping mechanism, the staff starts the auxiliary motor installed inside the machine box, and the output shaft of the auxiliary motor drives the rotating ring to rotate through a coupling, so that the sludge attached to the inner wall of the sedimentation tank is scraped during the rotation of the rotating ring. At the same time, the rotating ring drives the turntable fixedly connected to the bottom end to rotate, so that the stirring rod is guided to rotate inside the limiting plate during the rotation of the turntable. The stirring rod can stir and break up the sludge settled at the bottom of the sedimentation tank, stir the water in the sedimentation tank, and then scrape the sludge attached to the side wall of the tank, which can improve the effect of sludge cleaning.

[0021] Second, by providing a lifting mechanism, the staff starts the main motor installed at the top of the frame, and the output shaft of the main motor drives the connecting rod to rotate inside the frame through a coupling, so that the connecting rod drives the sleeve plate threadedly connected to the outer surface to lift, thereby adjusting the use height of the device, and the use height of the device can be adjusted according to the depth of the sedimentation tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Isometric view of a sludge scraping device for a sewage treatment sedimentation tank proposed by the present utility model.

[0023] Figure 2 Another perspective isometric view of a sludge scraping device for a sewage treatment sedimentation tank proposed by the present utility model.

[0024] Figure 3 Side sectional view of a sludge scraping device for a sewage treatment sedimentation tank proposed by the present utility model.

[0025] Figure 4 Stereogram of the scraping mechanism of a sludge scraping device for a sewage treatment sedimentation tank proposed by the present utility model.

[0026] Figure 5 Another axonometric view of a sludge scraping device for a sewage treatment sedimentation tank proposed by the present utility model.

[0027] In the drawings: 1, base; 2, frame; 3, main motor; 4, sleeve plate; 5, machine box; 6, turntable; 7, rotating gear; 8, guide rod; 9, stirring rod; 10, limiting plate; 11, scraping blade; 12, mounting frame; 13, rotating ring; 14, auxiliary motor; 15, connecting rod. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation to the present utility model.

[0030] A sludge scraping device for a sewage treatment sedimentation tank disclosed by the present utility model is mainly applied to the existing sedimentation tank. When the staff scrapes the sludge inside it, usually the existing sludge scraping device is difficult to achieve scraping the sludge layer by layer, and the existing sludge scraping device usually only has a single sludge scraping function and has a poor use effect.

[0031] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a sludge scraping device for a sewage treatment sedimentation tank includes a base 1, a frame 2 is installed above the base 1, a machine box 5 is installed at the front end of the frame 2, and further includes a scraping mechanism: the scraping mechanism includes an auxiliary motor 14 arranged inside the machine box 5, the output shaft of the auxiliary motor 14 is installed with a rotating ring 13 through a coupling, the center of the bottom end of the rotating ring 13 is fixedly connected with a turntable 6, scraping components for scraping the sludge are installed on both sides of the bottom end of the rotating ring 13, a mounting frame 12 is installed below the machine box 5, a limiting plate 10 is installed inside the mounting frame 12, a stirring rod 9 is sleeved inside the limiting plate 10, one end of the stirring rod 9 is fixedly connected with a connecting component for rotating the stirring rod 9, and a driving component for stirring the inside of the sedimentation tank is installed at the bottom end of the turntable 6; a lifting mechanism: the lifting mechanism is arranged above the frame 2, and the lifting mechanism is used for lifting the device.

[0032] In this solution, the staff member starts the auxiliary motor 14 installed inside the machine box 5, and the output shaft of the auxiliary motor 14 drives the rotating ring 13 to rotate through a coupling, so that during the rotation of the rotating ring 13, the scraping components installed on both sides of the bottom end are driven to rotate and scrape the silt adhering to the inner wall of the sedimentation tank. At the same time, the rotating ring 13 drives the turntable 6 fixedly connected to the bottom end to rotate, so that during the rotation of the turntable 6, the connecting component engaged on one side is driven to rotate. Since the top end of the stirring rod 9 is sleeved with a driving component installed at the bottom end of the turntable 6, the stirring rod 9 fixedly connected to one end can be guided to rotate inside the limiting plate 10, so that the stirring rod 9 can stir and disperse the silt settled at the bottom of the sedimentation tank. At the same time, by setting a lifting mechanism, the use height of the device can be adjusted, and the use height of the device can be adjusted according to the depth of the sedimentation tank.

[0033] Among them, referring to Figure 3 and Figure 5 , in a preferred embodiment, the lifting mechanism includes a main motor 3 arranged above the frame 2, and the output shaft of the main motor 3 is installed with a connecting rod 15 through a coupling, and the outer surface of the connecting rod 15 is threadedly connected with a sleeve plate 4.

[0034] In this solution, by setting a lifting mechanism, the staff member starts the main motor 3 installed at the top end of the frame 2, so that the output shaft of the main motor 3 drives the connecting rod 15 to rotate inside the frame 2 through a coupling, and the connecting rod 15 drives the sleeve plate 4 threadedly connected to the outer surface to lift, so that the use height of the device can be adjusted.

[0035] Further, referring to Figure 1 and Figure 4 , in a preferred embodiment, the scraping component includes scraping blades 11 arranged on both sides of the bottom end of the rotating ring 13. By setting the scraping component, the silt adhering to the inner wall of the sedimentation tank can be scraped off.

[0036] Among them, referring to Figure 2 and Figure 4 , in a preferred embodiment, the connecting component includes a rotating gear 7 arranged at one end of the stirring rod 9, and the rotating gear 7 is engaged with the turntable 6. By setting the connecting component, the rotating gear 7 engaged on one side can be driven to rotate during the rotation of the turntable 6.

[0037] Further, referring to Figure 4 and Figure 5 , in a preferred embodiment, the driving component includes a guiding rod 8 arranged at the bottom end of the turntable 6, and the stirring rod 9 is sleeved inside the guiding rod 8. By setting the driving component, the guiding rod 8 can drive the stirring rod 9 to rotate while rotating.

[0038] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. The substitution may be the substitution of some structures, devices, method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution of the present utility model and its inventive concept shall be covered within the protection scope of the present utility model.

Claims

1. A sludge scraping device for a sewage treatment sedimentation tank, comprising a base (1), a frame (2) being mounted above the base (1), a box (5) being mounted at the front end of the frame (2), characterized in that: Also includes: Scraping mechanism: the scraping mechanism comprises an auxiliary motor (14) arranged inside the machine box (5), the output shaft of the auxiliary motor (14) is installed with a rotating ring (13) through a coupling, the center of the bottom end of the rotating ring (13) is fixedly connected with a rotating disk (6), and scraping components for scraping sludge are installed on both sides of the bottom end of the rotating ring (13), a mounting frame (12) is installed below the machine box (5), a limit plate (10) is installed on the inner side of the mounting frame (12), a stirring rod (9) is sleeved inside the limit plate (10), one end of the stirring rod (9) is fixedly connected with a connecting component for rotating the stirring rod (9), and a driving component for stirring the inside of the sedimentation tank is installed at the bottom end of the rotating disk (6); Lifting mechanism: The lifting mechanism is arranged above the frame (2), and is used to lift the device.

2. A sludge scraping device for a sewage treatment sedimentation tank according to claim 1, characterized in that: The lifting mechanism comprises a main motor (3) arranged above the frame (2); the output shaft of the main motor (3) is mounted with a connecting rod (15) via a coupling; the outer surface of the connecting rod (15) is threadedly connected with a sleeve plate (4).

3. A sludge scraping device for a sewage treatment sedimentation tank according to claim 2, characterized in that: A thread groove is provided at one end of the sleeve plate (4), a thread is provided on the outer surface of the connecting rod (15), and the sleeve plate (4) and the machine box (5) are fixedly connected.

4. A sludge scraping device for a sewage treatment sedimentation tank according to claim 1, characterized in that: The scraping assembly comprises scrapers (11) arranged on both sides of the bottom end of the rotating ring (13).

5. A sludge scraping device for a sewage treatment sedimentation tank according to claim 1, characterized in that: The connecting assembly comprises a rotating gear (7) arranged at one end of the stirring rod (9), and the rotating gear (7) and the rotating disk (6) are meshingly connected.

6. A sludge scraping device for a sewage treatment sedimentation tank according to claim 1, characterized in that: The driving assembly comprises a guide rod (8) arranged at the bottom end of the turntable (6), and the stirring rod (9) is sleeved inside the guide rod (8).

7. A sludge scraping device for a sewage treatment sedimentation tank according to claim 4, characterized in that: One end of the stirring rod (9) is fixedly connected to a stirring head, and one side of the scraper (11) is in a conical shape.

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