Dehydration device for sludge treatment

Abstract

The utility model discloses a dewatering device for sludge treatment, which belongs to the field of sludge dewatering and comprises a bottom plate and a dewatering tank. The bottom of the dewatering tank is fixedly connected to the left side of the top of the bottom plate through a plurality of supporting legs, the edge of the upper portion of the dewatering tank is in a closed shape, a dewatering mechanism is arranged in the dewatering tank, and the lower portion of the dewatering mechanism penetrates through the dewatering tank. A discharging assembly is arranged on the left side of the lifting mechanism, extends into the dewatering mechanism and is connected with the dewatering mechanism, the outer wall of the upper portion of the dewatering tank is fixedly sleeved with a discharging frame, the bottom of the discharging frame is an inclined face, and the bottom of the dewatering tank communicates with a drainage pipe.

Description

Technical Field

[0001] The utility model belongs to the field of sludge dehydration, and in particular relates to a dehydration device for sludge treatment. Background Art

[0002] Sludge treatment is the process of concentrating, conditioning, dehydrating, stabilizing, drying or incinerating sewage sludge. In the process of sludge treatment, a dehydration device is required to quickly dehydrate the sludge and dry it for subsequent processing.

[0003] There is a sludge dewatering machine (CN206793181U) in which a motor is installed under the outer box of the sludge dewatering machine, the rotating shaft of the motor extends into the outer box of the sludge dewatering machine and is fixedly connected to the drum, a slot is provided on the bottom surface of the bottom plate, a supporting block matching the slot is installed on the rotating shaft, and the rotating shaft is connected to the bottom plate through the slot and the supporting block. However, after the existing sludge dewatering machine separates the sludge into impurities, soil and sewage, it is impossible to automatically discharge the separated impurities and soil to the outside world. People need to twist the screw to remove the cover plate from the fixed ring to open the drum, and then use a specific device outside to discharge the impurities and soil separated from the drum to the outside world. When it is used again, the screw is twisted again to fix the cover plate on the fixed ring to block the drum. The process is relatively cumbersome, affecting the work efficiency and having certain limitations. Utility Model Content

[0004] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a dewatering device for sludge treatment, which has the advantage of automatic discharging.

[0005] To achieve the above-mentioned purpose, the utility model provides a dewatering device for sludge treatment, comprising a bottom plate and a dewatering tank; the bottom of the dewatering tank is fixedly connected to the left side of the top of the bottom plate through a plurality of supporting legs, the upper edge of the dewatering tank is in a closed shape, a dewatering mechanism is arranged inside the dewatering tank, the lower part of the dewatering mechanism passes through the dewatering tank, a support platform is fixedly connected to the right edge of the top of the bottom plate, a lifting mechanism is arranged on the top of the support platform, a discharging assembly is arranged on the left side of the lifting mechanism, the discharging assembly extends to the inside of the dewatering mechanism and is connected to the dewatering mechanism, a discharging rack is fixedly sleeved on the outer wall of the upper part of the dewatering tank, the bottom of the discharging rack is an inclined surface, and a drainage pipe is connected to the bottom of the dewatering tank;

[0006] The dehydration mechanism includes a dehydration bucket and a servo motor. The dehydration bucket is located inside the dehydration tank. The upper part of the outer wall of the dehydration bucket is fixedly sleeved with an inner ring of a waterproof bearing. The upper part of the dehydration tank is fixedly sleeved with an outer ring of a waterproof bearing. The dehydration bucket is rotatably connected to the dehydration tank through a waterproof bearing. A crown gear is fixedly connected to the bottom wall of the inner cavity of the dehydration bucket. A servo motor is fixedly connected to the middle part of the lower end of the dehydration tank. The output shaft of the servo motor passes through the bottom wall of the dehydration tank. The output shaft of the servo motor is rotatably connected to the dehydration tank through a waterproof bearing. A coupling is fixedly connected to the output shaft of the servo motor. The top of the coupling is fixedly connected to the center of the lower end of the dehydration bucket. A plurality of drainage holes are provided on the outer wall of the dehydration bucket.

[0007] The lifting mechanism includes a mounting frame, a second servo motor and a lifting block. The bottom of the mounting frame is fixedly connected to the top of the support platform, the second servo motor is fixedly connected to the top of the mounting frame, two sliding rods are fixedly connected inside the mounting frame, the mounting frame is rotatably connected to a threaded rod inside, the two sliding rods are located on the left side of the threaded rod, and both ends of the sliding rod are respectively fixedly connected to the upper and lower side walls of the inner cavity of the mounting frame, the two sliding rods are parallel, and both ends of the threaded rod respectively pass through the upper and lower ends of the mounting frame, and both ends of the threaded rod are respectively rotatably connected to the upper and lower ends of the mounting frame, the top of the threaded rod is fixedly connected to the output shaft of the second servo motor, the lifting block is sleeved on the threaded rod and the outer walls of the two sliding rods, the lifting block is slidably connected to the sliding rod, and the lifting block is threadedly connected to the threaded rod.

[0008] The discharging assembly includes a connecting rod and a rotating rod. The right end of the connecting rod is fixedly connected to the left wall of the lifting block. The top of the rotating rod passes through the connecting rod and is rotatably connected to the connecting rod. The bottom end of the rotating rod extends into the interior of the dehydration barrel. The bottom end of the rotating rod is fixedly connected to a lifting plate. The outer wall of the lifting plate is fixedly sleeved with a piston sleeve. The piston sleeve fits the inner wall of the dehydration barrel. The bottom wall of the lifting plate is fixedly connected to crown gear 2, which meshes with crown gear 1.

[0009] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0010] The dewatering device for sludge treatment of the utility model not only improves the discharge efficiency but also saves manpower compared with the prior art through automatic material discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the cross-sectional structure of the dehydration tank of the utility model;

[0013] Figure 3 This is a schematic diagram of the lifting mechanism structure of the utility model.

[0014] In all the drawings, the same figure marks represent the same technical features, specifically: 1. bottom plate; 2. dehydration tank; 3. dehydration mechanism; 31. dehydration barrel; 32. servo motor one; 33. waterproof bearing one; 34. crown gear one; 35. coupling; 36. drainage hole; 37. waterproof bearing two; 4. support leg; 5. lifting mechanism; 51. mounting frame; 52. servo motor two; 53. sliding rod; 54. threaded rod; 55. lifting block; 6. discharging assembly; 61. connecting rod; 62. rotating rod; 63. lifting plate; 64. piston sleeve; 65. crown gear two; 7. discharging rack; 8. drainage pipe; 9. support table. DETAILED DESCRIPTION

[0015] Depend on Figure 1-3 A dewatering device for sludge treatment is provided, comprising a bottom plate 1 and a dewatering tank 2, wherein the bottom of the dewatering tank 2 is fixedly connected to the left side of the top of the bottom plate 1 through a plurality of supporting legs 4, the upper edge of the dewatering tank 2 is in a closed shape, a dewatering mechanism 3 is arranged inside the dewatering tank 2, the lower part of the dewatering mechanism 3 passes through the dewatering tank 2, a support platform 9 is fixedly connected to the right edge of the top of the bottom plate 1, a lifting mechanism 5 is arranged on the top of the support platform 9, a discharging assembly 6 is arranged on the left side of the lifting mechanism 5, the discharging assembly 6 extends into the inside of the dewatering mechanism 3 and is connected to the dewatering mechanism 3, a discharging rack 7 is fixedly sleeved on the upper outer wall of the dewatering tank 2, the bottom of the discharging rack 7 is an inclined surface, and a drainage pipe 8 is connected to the bottom of the dewatering tank 2;

[0016] The dehydration mechanism 3 includes a dehydration bucket 31 and a servo motor 32. The dehydration bucket 31 is located inside the dehydration tank 2. The upper part of the outer wall of the dehydration bucket 31 is fixedly sleeved with the inner ring of a waterproof bearing 33. The upper part of the dehydration tank 2 is fixedly sleeved with the outer ring of a waterproof bearing 33. The dehydration bucket 31 is rotatably connected to the dehydration tank 2 through the waterproof bearing 33. The bottom wall of the inner cavity of the dehydration bucket 31 is fixedly connected with a crown gear 34. The servo motor 32 is fixedly connected to the middle part of the lower end of the dehydration tank 2. The output shaft of the servo motor 32 passes through the bottom wall of the dehydration tank 2. The output shaft of the servo motor 32 is rotatably connected to the dehydration tank 2 through a waterproof bearing 37. A coupling 35 is fixedly connected to the output shaft of the servo motor 32. The top of the coupling 35 is fixedly connected to the center of the lower end of the dehydration bucket 31. The outer wall of the dehydration bucket 31 is provided with a plurality of drainage holes 36.

[0017] The lifting mechanism 5 includes a mounting frame 51, a servo motor 52 and a lifting block 55. The bottom of the mounting frame 51 is fixedly connected to the top of the support platform 9, the servo motor 52 is fixedly connected to the top of the mounting frame 51, and two sliding rods 53 are fixedly connected inside the mounting frame 51. The mounting frame 51 is rotatably connected to the threaded rod 54. The two sliding rods 53 are located on the left side of the threaded rod 54, and the two ends of the sliding rod 53 are respectively fixedly connected to the upper and lower side walls of the inner cavity of the mounting frame 51. The two sliding rods 53 are parallel, and the two ends of the threaded rod 54 respectively pass through the upper and lower ends of the mounting frame 51. The two ends of the threaded rod 54 are respectively rotatably connected to the upper and lower ends of the mounting frame 51, and the top of the threaded rod 54 is fixedly connected to the output shaft of the servo motor 52. The lifting block 55 is sleeved on the outer walls of the threaded rod 54 and the two sliding rods 53. The lifting block 55 is slidably connected to the sliding rod 53, and the lifting block 55 is threadedly connected to the threaded rod 54.

[0018] The discharging assembly 6 includes a connecting rod 61 and a rotating rod 62. The right end of the connecting rod 61 is fixedly connected to the left wall of the lifting block 55. The top of the rotating rod 62 passes through the connecting rod 61 and is rotatably connected to the connecting rod 61. The bottom end of the rotating rod 62 extends to the inside of the dehydration barrel 31. The bottom end of the rotating rod 62 is fixedly connected to a lifting plate 63. The outer wall of the lifting plate 63 is fixedly sleeved with a piston sleeve 64. The piston sleeve 64 fits the inner wall of the dehydration barrel 31. The bottom wall of the lifting plate 63 is fixedly connected to a crown gear 2 65, and the crown gear 2 65 is meshed with the crown gear 1 34.

[0019] The dewatering device for sludge treatment of the utility model can be used when it is needed to pour the sludge into the dewatering barrel 31 from the top thereof, and then the servo motor 1 32 is powered on and turns on to drive the coupling 35, the dewatering barrel 31, the crown gear 1 34, the crown gear 2 65, the lifting plate 63 and the rotating rod 62 to rotate in sequence. The dewatering barrel 31 generates centrifugal force when rotating to dry and dehydrate the sludge inside thereof, and the water thrown out of the sludge is discharged through the drainage hole 36 and finally discharged from the drainage pipe 8. After the sludge is dehydrated, the servo motor 1 is turned on and the coupling 35, the dewatering barrel 31, the crown gear 1 34, the crown gear 2 65, the lifting plate 63 and the rotating rod 62 are driven to rotate in sequence. Machine 2 52 is powered on and starts to drive the threaded rod 54 to rotate. Driven by the thread, the lifting block 55 drives the connecting rod 61, the rotating rod 62 and the lifting plate 63 to rise in turn. When the lifting plate 63 rises, it will pull out the dry sludge inside the dewatering barrel 31. When the height of the upper layer of sludge exceeds the height of the dewatering tank 2, it will scatter along the outer wall of the dewatering tank 2 and fall onto the discharging rack 7, and finally be discharged through the discharging rack 7 to complete the unloading. Compared with the existing technology, the automated unloading method not only improves the unloading efficiency but also does not require manpower.

Claims

1. A dewatering device for sludge treatment, comprising a bottom plate (1) and a dewatering tank (2), characterized in that: The bottom of the dewatering tank (2) is fixedly connected to the left side of the top of the bottom plate (1) through a plurality of supporting legs (4); the upper edge of the dewatering tank (2) is in a closed shape; a dewatering mechanism (3) is arranged inside the dewatering tank (2); the lower part of the dewatering mechanism (3) passes through the dewatering tank (2); a support platform (9) is fixedly connected to the right edge of the top of the bottom plate (1); a lifting mechanism (5) is arranged on the top of the support platform (9); a discharging assembly (6) is arranged on the left side of the lifting mechanism (5); the discharging assembly (6) extends into the inside of the dewatering mechanism (3) and is connected to the dewatering mechanism (3); a discharging rack (7) is fixedly sleeved on the upper outer wall of the dewatering tank (2); the bottom of the discharging rack (7) is an inclined surface; and a drainage pipe (8) is connected to the bottom of the dewatering tank (2); The dehydration mechanism (3) comprises a dehydration bucket (31) and a servo motor (32). The dehydration bucket (31) is located inside the dehydration tank (2). The upper part of the outer wall of the dehydration bucket (31) is fixedly sleeved with the inner ring of a waterproof bearing (33). The upper part of the dehydration tank (2) is fixedly sleeved with the outer ring of a waterproof bearing (33). The dehydration bucket (31) is rotatably connected to the dehydration tank (2) via the waterproof bearing (33). The bottom wall of the inner cavity of the dehydration bucket (31) is fixedly connected with a crown gear (34). The servo motor (32) is fixedly sleeved with the inner ring of a waterproof bearing (33). (32) is fixedly connected to the middle part of the lower end of the dehydration tank (2), the output shaft of the servo motor (32) passes through the bottom wall of the dehydration tank (2), the output shaft of the servo motor (32) is rotatably connected to the dehydration tank (2) through the waterproof bearing (37), the output shaft of the servo motor (32) is fixedly connected to the output shaft of the servo motor (32), the top end of the coupling (35) is fixedly connected to the center of the lower end of the dehydration barrel (31), and the outer wall of the dehydration barrel (31) is provided with a plurality of drainage holes (36).

2. The dewatering device for sludge treatment according to claim 1, characterized in that: The lifting mechanism (5) comprises a mounting frame (51), a servo motor (52) and a lifting block (55). The bottom of the mounting frame (51) is fixedly connected to the top of the support platform (9). The servo motor (52) is fixedly connected to the top of the mounting frame (51). Two slide bars (53) are fixedly connected inside the mounting frame (51). The mounting frame (51) is rotatably connected to a threaded rod (54). The two slide bars (53) are located on the left side of the threaded rod (54). The two ends of the slide bars (53) are respectively connected to the inner cavity of the mounting frame (51). The lower two side walls are fixedly connected, the two slide bars (53) are parallel, the two ends of the threaded rod (54) respectively penetrate the upper and lower ends of the mounting frame (51), the two ends of the threaded rod (54) are respectively rotatably connected with the upper and lower ends of the mounting frame (51), the top of the threaded rod (54) is fixedly connected with the output shaft of the second servo motor (52), the lifting block (55) is sleeved on the outer walls of the threaded rod (54) and the two slide bars (53), the lifting block (55) is slidably connected with the slide bar (53), and the lifting block (55) is threadedly connected with the threaded rod (54).

3. The dewatering device for sludge treatment according to claim 2, characterized in that: The discharging assembly (6) comprises a connecting rod (61) and a rotating rod (62). The right end of the connecting rod (61) is fixedly connected to the left wall of the lifting block (55). The top end of the rotating rod (62) passes through the connecting rod (61) and is rotatably connected to the connecting rod (61). The bottom end of the rotating rod (62) extends into the interior of the dewatering barrel (31). The bottom end of the rotating rod (62) is fixedly connected to a lifting plate (63). The outer wall of the lifting plate (63) is fixedly sleeved with a piston sleeve (64). The piston sleeve (64) is in contact with the inner wall of the dewatering barrel (31). The bottom wall of the lifting plate (63) is fixedly connected to a crown gear 2 (65). The crown gear 2 (65) is meshed with the crown gear 1 (34).

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