Sludge scraping device for traveling type sedimentation tank
By incorporating a rake body and rake teeth in front of the scraper, the problems of poor sludge scraping and residue in the traveling sedimentation tank scraper are solved, achieving a more efficient sludge removal effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-07
AI Technical Summary
Existing sludge scraping devices for traveling sedimentation tanks have problems such as poor and incomplete sludge scraping and easy sludge residue.
A rake body is installed in front of the scraper blade. The sludge is loosened by the rake teeth on the rake body, and combined with the scraping action of the scraper blade, the sludge is completely removed.
It improves the smoothness and thoroughness of mud scraping, reduces mud residue, and increases mud scraping efficiency.
Smart Images

Figure CN224086100U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mud scraping device technical field, concretely relates to a travelling crane type sedimentation tank mud scraping device. BACKGROUND
[0002] The sedimentation tank is the important equipment of the water treatment system of the thermal power plant, and plays a relatively important role in the water treatment effect. The present sedimentation tank pollution discharge mode only opens the mud discharge valve at the lower part of the sedimentation tank, and closes the mud discharge valve after the water is clear. The mode is simple, the pollution discharge time is long, and the sedimentation tank bottom accumulated mud cannot be completely discharged, and the manpower and time are long. The travelling crane type mud scraper moves the scraper through the trolley along the guide rail, and the scraper scrapes the sludge deposited at the bottom of the tank into the sludge hopper. In use, due to the accumulation of sludge, the sludge has certain viscosity, the resistance is large, and the sludge scraping is not smooth, not complete, and the sludge is easy to remain. CONTENT
[0003] The utility model solves the technical problem, and provides a travelling crane type sedimentation tank mud scraping device, a rake body is arranged before a mud scraping plate, the sludge is raked loose, and then scraped, so that the mud scraping is smooth, complete, and not easy to remain.
[0004] The travelling crane type sedimentation tank mud scraping device, including the top opening's sedimentation tank pool body, the sedimentation tank pool body top surface both sides from front to back horizontal be equipped with guide rail still including the transverse setting in the sedimentation tank pool body top, the mobile support of moving support both ends are equipped with drive motor, drive motor output end is connected with drive wheel, and the mobile support is connected with the guide rail through drive wheel and rolls over;The mud scraping arm, the rake mud rod and the reciprocating screw rod are arranged on the mobile support, the mud scraping arm and the rake mud rod all extend into the inside of the sedimentation tank pool body and are arranged obliquely from front to back, the top end of the mud scraping arm is connected with the mobile support, and the bottom end of the mud scraping arm is connected with the mud scraping plate;The reciprocating screw rod is horizontally arranged and rotatably connected with the mobile support, one end of the reciprocating screw rod is fixedly connected with the output shaft of the rotating motor fixed on the mobile support, a reciprocating sliding block is sleeved on the reciprocating screw rod and is in sliding fit with the reciprocating screw rod, the upper end of the rake mud rod is connected with the reciprocating sliding block, the lower end of the rake mud rod is provided with a rake body, the rake body is provided with downward rake teeth, and the rake body is arranged in front of the mud scraping plate.
[0005] Preferably, the bottom of the sedimentation tank pool body is provided with a sludge hopper, and the upper end opening of the sludge hopper is flush with the bottom surface of the sedimentation tank pool body.
[0006] Preferably, the upper end of the rake mud rod is also provided with a sliding sliding block, the sliding sliding block is sleeved on the reciprocating screw rod and movably connected with the outer surface of the reciprocating screw rod.
[0007] Preferably, the mobile support is provided with a winch motor and a winch roller, the central shaft of the winch roller is fixedly connected with the output shaft of the winch motor, a steel wire rope is fixedly wound on the surface of the winch roller, the bottom end of the steel wire rope extends into the inside of the sedimentation tank pool body and is fixedly connected with the mud scraping arm, and the top end of the mud scraping arm is hingedly connected with the mobile support.
[0008] Preferably, the scraper, rake, and reciprocating screw are arranged in parallel to each other.
[0009] Preferably, the scraper includes a vertical plate and a horizontal plate connected to the bottom of the vertical plate. The front part of the horizontal plate is inclined, and the rear part of the vertical plate is provided with rollers.
[0010] Preferably, the scraper blade is hinged to the scraper arm via an angle adjustment mechanism.
[0011] Preferably, the angle adjustment mechanism includes a first support fixed to the bottom of the scraper arm and a second support fixed to the front of the vertical plate. Both the first and second supports are provided with through holes, and the first and second supports are fixed by locking bolts passing through the through holes. The angle adjustment mechanism can adjust the angle of the scraper blade, allowing the scraper blade to better fit with the bottom of the sedimentation tank, thereby improving the scraping effect.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] A rake body is installed in front of the scraper. When the moving bracket moves forward along the guide rail, the reciprocating screw rotates, which drives the reciprocating slider to move left and right, thereby moving the rake body forward and left and right at the same time. The rake teeth on the rake body loosen the sludge, reducing the resistance of the scraper, making the scraping smoother, more thorough, and less likely to leave residue. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of the traveling sedimentation tank sludge scraping device of this utility model;
[0015] Figure 2 This is a schematic diagram of the movable support structure;
[0016] Figure 3 This is a schematic diagram of the movable support structure from another angle.
[0017] In the diagram: 1. Sedimentation tank body; 2. Movable support; 3. Drive motor; 4. Drive wheel; 5. Sludge scraper arm; 6. Sludge rake rod; 7. Reciprocating screw; 8. Sludge scraper plate; 9. Rotary motor; 10. Reciprocating slider; 11. Rake body; 12. Rake teeth; 13. Sludge hopper; 14. Sliding slider; 15. Winch motor; 16. Winch roller; 17. Wire rope; 18. Vertical plate; 19. Horizontal plate; 20. Roller; 21. First support; 22. Second support; 23. Locking bolt. Detailed Implementation
[0018] The present invention will now be described clearly and completely with reference to the accompanying drawings.
[0019] It should be noted that in this article, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another for ease of expression, and do not represent a sequential relationship.
[0020] like Figure 1 , Figure 2 , Figure 3 As shown, the traveling sedimentation tank sludge scraping device includes a sedimentation tank body 1 with a top opening. Guide rails are horizontally arranged on both sides of the top surface of the sedimentation tank body 1 from front to back. It also includes a movable support 2 horizontally positioned above the sedimentation tank body 1. Drive motors 3 are located at both ends of the movable support 2, and drive wheels 4 are connected to the output ends of the drive motors 3. The movable support 2 is rotatably connected to the guide rails via the drive wheels 4. The movable support 2 is equipped with a scraping arm 5, a rake rod 6, and a reciprocating screw 7. Both the scraping arm 5 and the rake rod 6 extend into the sedimentation tank body 1 and are positioned forward... The scraper arm 5 is tilted backward, with its top end connected to the movable bracket 2 and its bottom end connected to the scraper plate 8. The reciprocating screw 7 is horizontally set and rotatably connected to the movable bracket 2. One end of the reciprocating screw 7 is fixedly connected to the output shaft of the rotating motor 9 fixed on the movable bracket 2. A reciprocating slider 10 is fitted on the reciprocating screw 7 and is slidably fitted thereto. The reciprocating slider 10 is connected to the upper end of the rake rod 6. The lower end of the rake rod 6 is provided with a rake body 11, and the rake body 11 is provided with downward-facing rake teeth 12. The rake body 11 is located in front of the scraper plate 8.
[0021] like Figure 1 As shown, a sludge hopper 13 is provided at the front end of the bottom of the sedimentation tank 1, and the upper opening of the sludge hopper 13 is flush with the bottom surface of the sedimentation tank 1.
[0022] The upper end of the rake rod 6 is also provided with a sliding slider 14, which is sleeved on the reciprocating screw 7 and is movably connected to the outer surface of the reciprocating screw 7.
[0023] like Figure 3 As shown, the movable support 2 is equipped with a winch motor 15 and a winch roller 16. The central shaft of the winch roller 16 is fixedly connected to the output shaft of the winch motor 15. A steel wire rope 17 is fixedly wound around the surface of the winch roller 16. The bottom end of the steel wire rope 17 extends into the interior of the sedimentation tank 1 and is fixedly connected to the sludge scraper arm 5. The top end of the sludge scraper arm 5 is hinged to the movable support 2. The reciprocating slider 10 is hinged to the upper end of the sludge scraper rod 6.
[0024] The scraper 8, rake body 11, and reciprocating screw 7 are arranged in parallel to each other.
[0025] The scraper 8 includes a vertical plate 18 and a horizontal plate 19 connected to the bottom of the vertical plate 18. The front of the horizontal plate 19 is an inclined surface, and a roller 20 is provided at the rear of the vertical plate 18.
[0026] The scraper blade 8 is hinged to the scraper arm 5 via an angle adjustment mechanism.
[0027] The angle adjustment mechanism includes a first support 21 fixed to the bottom of the scraper arm 5 and a second support 22 fixed to the front of the vertical plate 18. Both the first support 21 and the second support 22 are provided with through holes. The first support 21 and the second support 22 are fixed by locking bolts 23 passing through the through holes.
[0028] The working process is as follows: The rake rod 6 is inserted into the sedimentation tank 1 and the rake teeth 12 are abutted against the bottom of the sedimentation tank 1. The scraper arm 5 is inserted into the sedimentation tank 1 and the horizontal plate 19 of the scraper plate 8 is abutted against the bottom of the sedimentation tank 1. The drive motor 3 is started, and the drive wheel 4 moves the moving bracket 2 forward along the guide rail. The rotary motor 9 is started, which makes the reciprocating screw 7 rotate. The reciprocating slider 10 moves left and right along the reciprocating screw 7, which drives the rake rod 6 to move left and right. The rake rod 6 moves left and right and is simultaneously moved forward by the moving bracket 2. The rake teeth 12 first loosen the sludge accumulated at the bottom of the sedimentation tank 1. The scraper plate 8 behind the rake body 11 scrapes the sludge forward until the sludge is scraped into the sludge hopper 13. Then the hoisting motor 15 is started, and the hoisting roller 16 winds the wire rope 17 to lift the scraper arm 5. The moving bracket 2 is transported along the guide rail away from the sludge hopper 13 to the rear of the sedimentation tank 1 for the next round of sludge scraping operation.
Claims
1. A traveling-type sedimentation tank sludge scraping device, comprising a sedimentation tank body (1) with a top opening, wherein guide rails are horizontally arranged on both sides of the top surface of the sedimentation tank body (1) from front to back, characterized in that, It also includes a movable support (2) horizontally positioned above the sedimentation tank body (1). The movable support (2) has drive motors (3) at both ends, and drive wheels (4) are connected to the output ends of the drive motors (3). The movable support (2) is connected to the guide rail via the drive wheels (4). The movable support (2) is equipped with a scraper arm (5), a rake rod (6), and a reciprocating screw (7). The scraper arm (5) and the rake rod (6) extend into the sedimentation tank body (1) and are inclined back and forth. The top of the scraper arm (5) is connected to the movable support (2). The bottom end is connected to the scraper (8); the reciprocating screw (7) is horizontally set and rotatably connected to the moving bracket (2). One end of the reciprocating screw (7) is fixedly connected to the output shaft of the rotating motor (9) fixed on the moving bracket (2). The reciprocating screw (7) is fitted with a reciprocating slider (10) that is adapted to slide with it. The reciprocating slider (10) is connected to the upper end of the rake rod (6). The lower end of the rake rod (6) is provided with a rake body (11). The rake body (11) is provided with downward-facing rake teeth (12). The rake body (11) is located in front of the scraper (8).
2. The traveling sedimentation tank sludge scraping device according to claim 1, characterized in that, The sedimentation tank body (1) has a sludge hopper (13) at the front end of the bottom. The opening at the top of the sludge hopper (13) is level with the bottom surface of the sedimentation tank body (1).
3. The traveling sedimentation tank sludge scraping device according to claim 1, characterized in that, The upper end of the rake rod (6) is also provided with a sliding block (14), which is sleeved on the reciprocating screw (7) and is movably connected to the outer surface of the reciprocating screw (7).
4. The traveling sedimentation tank sludge scraping device according to claim 1, characterized in that, The movable support (2) is equipped with a winch motor (15) and a winch roller (16). The central shaft of the winch roller (16) is fixedly connected to the output shaft of the winch motor (15). A steel wire rope (17) is fixedly wound on the surface of the winch roller (16). The bottom end of the steel wire rope (17) extends into the sedimentation tank body (1) and is fixedly connected to the sludge scraper arm (5). The top end of the sludge scraper arm (5) is hinged to the movable support (2). The reciprocating slider (10) is hinged to the upper end of the sludge scraper rod (6).
5. The traveling sedimentation tank sludge scraping device according to claim 1, characterized in that, The scraper (8), rake (11) and reciprocating screw (7) are arranged in parallel to each other.
6. The traveling sedimentation tank sludge scraping device according to claim 1, characterized in that, The scraper (8) includes a vertical plate (18) and a horizontal plate (19) connected to the bottom of the vertical plate (18). The front of the horizontal plate (19) is an inclined surface, and the rear of the vertical plate (18) is provided with a roller (20).
7. The traveling sedimentation tank sludge scraping device according to claim 6, characterized in that, The scraper blade (8) is hinged to the scraper arm (5) via an angle adjustment mechanism.
8. The traveling sedimentation tank sludge scraping device according to claim 7, characterized in that, The angle adjustment mechanism includes a first support (21) fixed to the bottom of the scraper arm (5) and a second support (22) fixed to the front of the vertical plate (18). Both the first support (21) and the second support (22) are provided with through holes. The first support (21) and the second support (22) are fixed by locking bolts (23) passing through the through holes.