Sludge dewatering machine
By adding flocculant and stirring before the sludge is introduced into the sludge dewatering machine, the problem of poor sludge dewatering is solved, and a more efficient solid-liquid separation effect is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU SUCHUN ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-28
AI Technical Summary
Existing centrifugal dewatering machines suffer from poor sludge dewatering when processing sludge, making it difficult to achieve sufficient solid-liquid separation.
Before the sludge is introduced into the sludge dewatering machine, flocculants are added and a stirring device is used to ensure that the sludge comes into full contact with the sludge for flocculation, thereby improving the flocculation effect of the sludge and thus improving the dewatering effect.
By adding flocculant and stirring before sludge introduction, the sludge dewatering effect was significantly improved, and the efficiency of solid-liquid separation was enhanced.
Smart Images

Figure CN224172664U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of sludge treatment, and in particular to a sludge dewatering machine. Background Technology
[0002] A sludge dewatering machine is a specialized device used to treat various industrial and municipal sludge, reducing its water content. This machine removes moisture from the sludge through physical methods to facilitate subsequent transportation, disposal, or further processing. Common sludge dewatering equipment includes, but is not limited to, belt filter presses, centrifugal dewatering machines, and plate and frame filter presses.
[0003] Centrifugal dewatering machines use centrifugal force generated by high-speed rotation to separate solid and liquid substances in sludge. However, they have the problem of poor sludge dewatering and cannot fully separate solid and liquid substances in sludge. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a sludge dewatering machine that, by setting this device, allows the addition of flocculant before the sludge is introduced into the sludge dewatering machine, thereby improving the flocculation effect of the sludge and thus improving the dewatering effect of the sludge.
[0005] This utility model discloses a sludge dewatering machine, including a dosing tank, a cover plate, a fixing plate, a sludge pump, a suction pump, a material bucket, a fixing device, and a stirring device. The dosing tank has four sets of support legs at its bottom. The cover plate is mounted on the top of the dosing tank via the fixing device. The fixing plate is mounted on the upper left side of the dosing tank. The sludge pump is mounted on the top of the fixing plate, and its output end is connected to the left side of the dosing tank. The suction pump is mounted on the lower right side of the dosing tank, with its input end connected to the lower right side of the dosing tank and its output end connected to the sludge dewatering machine. The material bucket is mounted on the right side of the top of the cover plate, with an inlet at its top and a discharge pipe at its bottom. The discharge pipe's output end passes through the cover plate and extends into the dosing tank. A control valve is mounted on the discharge pipe. The stirring device is mounted on the cover plate inside the dosing tank.
[0006] Preferably, the stirring device includes a first motor, a rotating shaft, a frame, a stirring shaft, multiple sets of stirring blades, and two sets of mounting plates. The first motor is mounted on the top of the cover plate, the rotating shaft is rotatably mounted on the middle of the bottom end of the cover plate, the output end of the first motor passes through the cover plate and is connected to the top of the rotating shaft, the frame is mounted on the rotating shaft, the two sets of mounting plates are mounted on the rotating shaft and the two sets of frames, the multiple sets of stirring shafts are respectively mounted on the frame and the two sets of mounting plates, and the multiple sets of stirring blades are respectively mounted on the multiple sets of stirring shafts.
[0007] Preferably, the fixing device includes four sets of hooks, four sets of latches and two sets of handles. The four sets of hooks are respectively installed on the front and rear sides of the left and right ends of the cover plate. The four sets of latches are respectively installed on the upper front and upper rear sides of the left and right ends of the dosing tank. The four sets of latches are respectively engaged with the four sets of hooks. The two sets of handles are installed on the front and rear sides of the top of the cover plate.
[0008] Preferably, it also includes a second motor and a stirring frame. The second motor is installed at the right end of the material tank, and the stirring frame is rotatably installed inside the material tank. The output end of the second motor passes through the right end of the material tank and is connected to the right end of the stirring frame.
[0009] Preferably, it also includes a flow meter, which is installed at the output end of the pump.
[0010] Preferably, it also includes a bearing housing, which is installed at the bottom of the dosing tank, and the bottom of the rotating shaft is fitted with the bearing housing.
[0011] Preferably, the control valve on the discharge pipe is a metering valve.
[0012] Preferably, the stirring shaft is rotatably mounted on the mounting plate and frame.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: The sludge pump is turned on, and the sludge is introduced into the dosing tank through the sludge pump. At the same time, the control valve on the discharge pipe is opened, and the flocculant in the material bucket is introduced into the dosing tank through the discharge pipe. Then, the stirring device is turned on, and the stirring device ensures full contact between the flocculant and the sludge for flocculation. Then, the pump is turned on, and the sludge in the dosing tank is introduced into the sludge dewatering machine for dewatering. By setting up this device, flocculant can be added before the sludge is introduced into the sludge dewatering machine, improving the flocculation effect of the sludge, thereby improving the dewatering effect of the sludge. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 yes Figure 1 A magnified structural diagram of A in the middle;
[0016] Figure 3 yes Figure 2 A magnified structural diagram of B in the diagram;
[0017] Figure 4 yes Figure 2 A magnified structural diagram of C;
[0018] The following are labels in the attached diagram: 1. Sludge dewatering machine; 2. Dosing tank; 3. Support leg; 4. Cover plate; 5. Fixing plate; 6. Sludge pump; 7. Suction pump; 8. Material bucket; 9. Feed inlet; 10. Discharge pipe; 11. First motor; 12. Rotating shaft; 13. Frame; 14. Agitator shaft; 15. Agitator blade; 16. Mounting plate; 17. Second motor; 18. Agitator frame; 19. Flow meter; 20. Hook; 21. Lock; 22. Handle; 23. Bearing seat. Detailed Implementation
[0019] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.
[0020] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0022] like Figures 1 to 4 As shown, this utility model discloses a sludge dewatering machine, including a sludge dewatering machine 1, a dosing tank 2, a cover plate 4, a fixing plate 5, a sludge pump 6, a suction pump 7, a material bucket 8, a fixing device, and a stirring device. The bottom of the dosing tank 2 is provided with four sets of support legs 3. The cover plate 4 is installed on the top of the dosing tank 2 through the fixing device. The fixing plate 5 is installed on the upper left side of the dosing tank 2. The sludge pump 6 is installed on the top of the fixing plate 5. The output end of the sludge pump 6 is connected to the left side of the dosing tank 2. The suction pump 7 is installed on the lower right side of the dosing tank 2. The input end of the suction pump 7 is connected to the lower right side of the dosing tank 2. The output end of the suction pump 7 is connected to the sludge dewatering machine 1. The material bucket 8 is installed on the right side of the top of the cover plate 4. The top of the material bucket 8 is connected to a feed inlet 9. The bottom of the material bucket 8 is connected to a discharge pipe 10. The output end of the discharge pipe 10 passes through the cover plate 4 and extends into the dosing tank 2. A control valve is provided on the discharge pipe 10. The stirring device is installed on the cover plate 4 and located inside the dosing tank 2.
[0023] Turn on the sludge pump 6 to introduce the sludge into the dosing tank 2. At the same time, open the control valve on the discharge pipe 10 to introduce the flocculant in the material tank 8 into the dosing tank 2 through the discharge pipe 10. Then turn on the stirring device to ensure that the flocculant and sludge come into full contact and flocculate. Then turn on the pump 7 to introduce the sludge in the dosing tank 2 into the sludge dewatering machine 1 for dewatering. By setting up this device, flocculant can be added before the sludge is introduced into the sludge dewatering machine 1, which improves the flocculation effect of the sludge and thus improves the dewatering effect of the sludge.
[0024] As a preferred embodiment of the above, the stirring device includes a first motor 11, a rotating shaft 12, a frame 13, a stirring shaft 14, multiple sets of stirring blades 15, and two sets of mounting plates 16. The first motor 11 is mounted on the top of the cover plate 4, the rotating shaft 12 is rotatably mounted on the middle of the bottom end of the cover plate 4, the output end of the first motor 11 passes through the cover plate 4 and is connected to the top of the rotating shaft 12, the frame 13 is mounted on the rotating shaft 12, the two sets of mounting plates 16 are mounted on the rotating shaft 12 and the two sets of frames 13, the multiple sets of stirring shafts 14 are respectively mounted on the frame 13 and the two sets of mounting plates 16, and the multiple sets of stirring blades 15 are respectively mounted on the multiple sets of stirring shafts 14.
[0025] By setting up a first motor 11, a rotating shaft 12, a frame 13, a stirring shaft 14, stirring blades 15, and a mounting plate 16, turning on the first motor 11 drives the rotating shaft 12 to rotate, which in turn drives the frame 13 and two sets of mounting plates 16 to rotate, thereby driving multiple sets of stirring shafts 14 and multiple sets of stirring blades 15 to rotate. This fully mixes the flocculant and sludge, improving the flocculation effect and efficiency of the flocculant and sludge.
[0026] As a preferred embodiment of the above, the fixing device includes four sets of hooks 20, four sets of latches 21 and two sets of handles 22. The four sets of hooks 20 are respectively installed on the front and rear sides of the left and right ends of the cover plate 4. The four sets of latches 21 are respectively installed on the upper front and upper rear sides of the left and right ends of the dosing tank 2. The four sets of latches 21 are respectively engaged with the four sets of hooks 20. The two sets of handles 22 are installed on the front and rear sides of the top of the cover plate 4.
[0027] The hook 20, latch 21 and handle 22 make it easy to remove the cover plate 4 from the dosing tank 2, thereby facilitating the cleaning of the rotating shaft 12, frame 13, stirring shaft 14, stirring blade 15, mounting plate 16 and the inside of the dosing tank 2.
[0028] As a preferred embodiment of the above embodiment, it also includes a second motor 17 and a stirring rack 18. The second motor 17 is installed at the right end of the material tank 8, and the stirring rack 18 is rotatably installed inside the material tank 8. The output end of the second motor 17 passes through the right end of the material tank 8 and is connected to the right end of the stirring rack 18.
[0029] By setting up a second motor 17 and a stirring rack 18, turning on the second motor 17 will drive the stirring rack 18 to rotate, and the stirring rack 18 will stir the flocculant in the material tank 8, thereby ensuring the concentration and fluidity of the flocculant.
[0030] As a preferred embodiment of the above embodiment, a flow meter 19 is also included, which is installed at the output end of the pump 7;
[0031] By setting up flow meter 19, it is easy to detect the flow rate of sludge, thereby facilitating the control of pump 7.
[0032] As a preferred embodiment of the above embodiment, it also includes a bearing seat 23, which is installed at the bottom of the dosing tank 2, and the bottom of the rotating shaft 12 is engaged with the bearing seat 23.
[0033] By setting the bearing housing 23, the rotating shaft 12 can be supported and fixed, thereby improving its stability.
[0034] As a preferred embodiment of the above embodiment, the control valve provided on the discharge pipe 10 is a metering valve;
[0035] This facilitates the quantitative addition of flocculants, ensuring the flocculation effect of sludge.
[0036] As a preferred embodiment of the above, the stirring shaft 14 is rotatably mounted on the mounting plate 16 and the frame 13;
[0037] This can increase the shear force of the stirring blade 15, thereby improving its stirring effect.
[0038] This utility model discloses a sludge dewatering machine. During operation, the sludge pump 6 is first turned on, and the sludge is introduced into the dosing tank 2 through the pump. Simultaneously, the control valve on the discharge pipe 10 is opened, and the flocculant in the feed tank 8 is introduced into the dosing tank 2 through the discharge pipe 10. Then, the first motor 11 is turned on, which drives the rotating shaft 12 to rotate. The rotating shaft 12 drives the frame 13 and two sets of mounting plates 16 to rotate, thereby driving multiple sets of stirring shafts 14 and multiple sets of stirring blades 15 to rotate. This fully mixes the flocculant and sludge, causing them to flocculate. Finally, the suction pump 7 is turned on, and the sludge in the dosing tank 2 is introduced into the sludge dewatering machine 1 for dewatering.
[0039] The sludge dewatering machine of this utility model has common mechanical installation, connection and setting methods, and can be implemented as long as it can achieve its beneficial effect. The sludge dewatering machine 1, fixed plate 5, pump 7, first motor 11, second motor 17 and flow meter 19 of this utility model are purchased from the market. Technical personnel in this industry only need to install and operate it according to the accompanying instruction manual.
[0040] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A sludge dewatering machine, characterized in that, The system includes a sludge dewatering machine (1), a dosing tank (2), a cover plate (4), a fixing plate (5), a sludge pump (6), a suction pump (7), a material bucket (8), a fixing device, and a stirring device. The bottom of the dosing tank (2) is equipped with four sets of support legs (3). The cover plate (4) is installed on the top of the dosing tank (2) through the fixing device. The fixing plate (5) is installed on the upper left side of the dosing tank (2). The sludge pump (6) is installed on the top of the fixing plate (5). The output end of the sludge pump (6) is connected to the left end of the dosing tank (2). The suction pump (7) is installed in the dosing tank. (2) On the lower right side, the input end of the pump (7) is connected to the lower right side of the dosing tank (2), and the output end of the pump (7) is connected to the sludge dewatering machine (1). The material bucket (8) is installed on the right side of the top of the cover plate (4). The top of the material bucket (8) is connected to the inlet (9), and the bottom of the material bucket (8) is connected to the discharge pipe (10). The output end of the discharge pipe (10) passes through the cover plate (4) and extends into the dosing tank (2). A control valve is installed on the discharge pipe (10). The stirring device is installed on the cover plate (4) and located inside the dosing tank (2).
2. The sludge dewatering machine as described in claim 1, characterized in that, The stirring device includes a first motor (11), a rotating shaft (12), a frame (13), a stirring shaft (14), multiple sets of stirring blades (15), and two sets of mounting plates (16). The first motor (11) is mounted on the top of the cover plate (4), the rotating shaft (12) is rotatably mounted on the middle of the bottom end of the cover plate (4), the output end of the first motor (11) passes through the cover plate (4) and is connected to the top of the rotating shaft (12), the frame (13) is mounted on the rotating shaft (12), the two sets of mounting plates (16) are mounted on the rotating shaft (12) and the two sets of frames (13), the multiple sets of stirring shafts (14) are respectively mounted on the frame (13) and the two sets of mounting plates (16), and the multiple sets of stirring blades (15) are respectively mounted on the multiple sets of stirring shafts (14).
3. The sludge dewatering machine as described in claim 1, characterized in that, The fixing device includes four sets of hooks (20), four sets of latches (21) and two sets of handles (22). The four sets of hooks (20) are respectively installed on the front and rear sides of the left and right ends of the cover plate (4). The four sets of latches (21) are respectively installed on the upper front and upper rear sides of the left and right ends of the dosing tank (2). The four sets of latches (21) are respectively engaged with the four sets of hooks (20). The two sets of handles (22) are installed on the front and rear sides of the top of the cover plate (4).
4. A sludge dewatering machine as described in claim 1, characterized in that, It also includes a second motor (17) and a stirring rack (18). The second motor (17) is installed at the right end of the material bucket (8), and the stirring rack (18) is rotatably installed inside the material bucket (8). The output end of the second motor (17) passes through the right end of the material bucket (8) and is connected to the right end of the stirring rack (18).
5. A sludge dewatering machine as described in claim 1, characterized in that, It also includes a flow meter (19), which is installed at the output end of the pump (7).
6. A sludge dewatering machine as described in claim 2, characterized in that, It also includes a bearing housing (23), which is installed at the bottom of the dosing tank (2), and the bottom of the rotating shaft (12) is fitted with the bearing housing (23).
7. A sludge dewatering machine as described in claim 1, characterized in that, The discharge pipe (10) is equipped with a control valve, which is a metering valve.
8. A sludge dewatering machine as described in claim 2, characterized in that, The stirring shaft (14) is rotatably mounted on the mounting plate (16) and the frame (13).