Sludge dewatering and curing treatment device

By designing a sludge treatment device including a swing bag, a filter press assembly and multiple dehydration treatments, the problems of complex sludge treatment structure and troublesome operation in the prior art are solved, and efficient dehydration and curing of sludge are achieved.

CN119504102APending Publication Date: 2025-02-25NANJING QICHAO ENVIRONMENTAL PROTECTION TECH CO LTD
View PDF 7 Cites 0 Cited by

Patent Information

Application Number
CN202411908903.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

The existing sludge treatment technology has complex structure and is troublesome to operate, making it difficult to achieve efficient dehydration and curing of sludge.

Method used

A sludge dewatering and curing treatment device is designed, including a workbench, support frame, cloth bag, conveyor belt, dewatering cylinder, drying box and leveling mechanism. Through the swing of the cloth bag, the secondary dewatering of the filter press assembly and the three dewatering of the dewatering assembly, combined with the drying treatment of the drying parts, the efficient dewatering and curing of the sludge is achieved.

Benefits of technology

The device simplifies the sludge treatment process, improves the sludge dewatering efficiency, reduces transportation and treatment costs, and makes sludge curing more quickly and efficient.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119504102A_ABST
    Figure CN119504102A_ABST
Patent Text Reader

Abstract

According to the technical scheme, the sludge dewatering and curing treatment device is characterized in that the sludge dewatering and curing treatment device comprises a workbench and a supporting frame which is arranged on the workbench and is of an L-shaped structure, the top side of the supporting frame is connected with a cloth bag through a hook, the top side and the bottom side of the cloth bag are each provided with an opening, the opening in the bottom side of the cloth bag is sealed through a sealing mechanism, and sludge is placed in the cloth bag; a conveying belt is arranged on the portion, below the cloth bag, of the workbench, a dewatering cylinder is arranged at the end of the workbench, a sludge outlet is formed in the outer side of the dewatering cylinder, a dewatering assembly is arranged in the dewatering cylinder, an airing box is arranged on one side of the dewatering cylinder through a fixing frame, and a drying piece and a flattening mechanism are arranged in the airing box; a movable hydraulic cylinder is mounted on the vertical section of the support frame; compared with the prior art, the sludge dewatering and curing device has the technical effects that dewatered sludge is discharged onto the airing box through the sludge outlet, the flattening mechanism is driven to flatten the sludge, the sludge is dried by the drying piece, and sludge dewatering and curing treatment is conveniently and quickly realized.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of sludge dehydration, and in particular to a sludge dehydration and solidification treatment device. Background Art

[0002] Sewage treatment plays an important role in the environmental protection industry. Sewage treatment first requires filtering the sewage and squeezing and dehydrating the filtered sludge. The dehydrated sludge has lower moisture content and smaller volume, which can not only greatly reduce transportation and treatment costs, but also greatly increase the content of available substances in the concentrated sludge.

[0003] In the prior art, when treating sludge, the sludge needs to be transported to a filter press through a conveying device for filter pressing and dehydration treatment, and then dried after dehydration, and then solidified. The structure is very complicated and the operation is very troublesome. Summary of the invention

[0004] The purpose of the present invention is to provide a sludge dehydration and solidification treatment device, which has the advantages that the dehydrated sludge is discharged to the drying box through the mud outlet, the flattening mechanism is driven to flatten the sludge, and the drying part dries the sludge, thereby realizing the sludge dehydration and solidification treatment conveniently and quickly.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a sludge dehydration and solidification treatment device, comprising a workbench and a support frame with an "L"-shaped structure arranged on the workbench, the top side of the support frame is connected with a cloth bag through a hook, the top and bottom sides of the cloth bag are both provided with openings, the bottom opening of the cloth bag is sealed by a sealing mechanism, sludge is placed in the cloth bag, a vertical plate is hinged on the support frame through a hinge rod, a conveyor belt is provided on the workbench below the cloth bag, a dehydration cylinder is provided at the end of the workbench, a mud outlet is provided on the outer side of the dehydration cylinder, a dehydration component is provided in the dehydration cylinder, a drying box is provided on one side of the dehydration cylinder through a fixed frame, a drying part and a flattening mechanism are provided in the drying box, and a mobile hydraulic cylinder is installed on the vertical section of the support frame, the output end of the mobile hydraulic cylinder is connected with a pull rope, a locking belt is provided on the outer edge of the cloth bag near the opening, the moving end of the locking belt is connected to the end of the pull rope, and a spin-drying component for draining the cloth bag is provided on the support frame; The spin-drying assembly includes a swing motor connected to the vertical section of the support frame, and a steel wire rope connected to the vertical plate is provided on the output end of the swing motor; The vertical plate is located above the sealing mechanism and is provided with a filter press assembly.

[0006] With the above technical solution, when sludge dehydration treatment is required, open the bag mouth, pour the sludge into the cloth bag, hang it on the support frame through the hook, drive the moving hydraulic cylinder, the moving hydraulic cylinder pulls the pull rope, the pull rope pulls the locking belt upwards, so that the locking belt seals the bag mouth. At this time, drive the swinging motor to drive the steel wire rope to move back and forth, thereby driving the cloth bag to move left and right. Through the back-and-forth swinging of the cloth bag, the sludge is dehydrated. Then drive the filter pressing assembly to perform secondary dehydration treatment on the sludge. Then drive the sealing mechanism. The sealing mechanism opens the opening at the bottom side of the cloth bag, and the sludge falls onto the conveyor belt. The conveyor belt conveys the sludge into the dehydration cylinder. Through the dehydration assembly, the sludge is subjected to three dehydration treatments. The dehydrated sludge is discharged through the sludge outlet onto the drying box. Drive the leveling mechanism, and the leveling mechanism flattens the sludge. The drying part dries the sludge, realizing the dehydration and solidification treatment of the sludge conveniently and quickly.

[0007] The present invention is further configured as: a threaded rod is connected to the end of the steel wire rope, and a threaded cylinder threaded with the threaded rod is provided on the vertical plate.

[0008] The present invention is further configured as: the sealing mechanism includes a double-shaft motor installed on the vertical plate. Both output ends of the double-shaft motor are coaxially connected with transmission lead screws. Threaded nuts are respectively threaded on the two transmission lead screws. Clamping plates are connected to both of the threaded nuts.

[0009] The present invention is further configured as: grooves are respectively opened on one side of the two clamping plates facing each other, and anti-slip lines are densely arranged in the two grooves.

[0010] The present invention is further configured as: the dehydration assembly includes a stirring motor fixedly connected inside the dehydration cylinder. A stirring shaft is coaxially connected to the output end of the stirring motor. A plurality of stirring blades are symmetrically connected to the stirring shaft at equal intervals along the height direction. A sludge outlet is opened on the outer side of the dehydration cylinder. Sludge dehydration additives and lime are added into the dehydration cylinder.

[0011] The present invention is further configured as: an arc-shaped rod is connected to the vertical section of the support frame, and a slider sliding in the arc-shaped rod is provided on the surface of the vertical plate.

[0012] The present invention is further configured as: the drying part includes drying pipes distributed on the inner bottom side of the drying box. A plurality of air outlet holes are opened on the drying pipes. A hot air pipe communicated with a plurality of drying pipes is installed on the outer side of the drying box, and the hot air pipe is externally connected with a hot air device.

[0013] The present invention is further configured as: the leveling mechanism includes a driving hydraulic cylinder fixedly connected to the inner side of the drying box. An installation frame in a "C" shape is provided at the output end of the driving hydraulic cylinder. A roller is rotatably connected between the installation frames through a rotating shaft.

[0014] The present invention is further configured as follows: the filter press assembly includes a bidirectional motor installed on a vertical plate, the two output ends of the bidirectional motor are coaxially connected to a moving screw rod, the two moving screw rods are respectively threadedly connected to a screw rod slide, and the two screw rod slides are connected to a pressure plate.

[0015] To sum up, when the sludge needs to be dehydrated, the bag mouth is opened, the sludge is poured into the cloth bag, and it is hung on the support frame through a hook to drive the mobile hydraulic cylinder, the mobile hydraulic cylinder pulls the draw rope, and the draw rope pulls the locking belt, so that the locking belt seals the bag mouth. At this time, the swing motor is driven to drive the wire rope to move back and forth, and then drive the cloth bag to move left and right, and the cloth bag is swung back and forth to dehydrate the sludge, and then the filter press assembly is driven to perform secondary dehydration on the sludge, and then the sealing mechanism is driven to open the bottom opening of the cloth bag, and the sludge falls onto the conveyor belt, and the conveyor belt transports the sludge to the dewatering cylinder. Through the dehydration assembly, the sludge is dehydrated for the third time, and the dehydrated sludge is discharged to the drying box through the mud outlet, and the flattening mechanism is driven to flatten the sludge, and the drying part dries the sludge, so as to conveniently and quickly realize the sludge dehydration and solidification treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of this embodiment; Figure 2 is a side view of this embodiment; Figure 3 This is a schematic diagram of the overall structure of the sealing mechanism used in this embodiment; Figure 4 This is a schematic diagram of the overall structure of the dehydration assembly used in this embodiment; Figure 5 This is a schematic diagram of the overall structure of the flattening mechanism used in this embodiment.

[0017] Figure numerals: 1. workbench; 2. support frame; 3. cloth bag; 4. hook; 5. vertical plate; 6. locking belt; 7. mobile hydraulic cylinder; 8. pull rope; 9. double-axis motor; 10. transmission screw; 11. screw nut; 12. clamp; 13. swing motor; 14. wire rope; 15. hinge rod; 16. arc rod; 17. bidirectional motor; 18. mobile screw; 19. screw slide; 20. pressure plate; 21. transmission belt; 22. dewatering cylinder; 23. stirring motor; 24. stirring shaft; 25. stirring blade; 26. mud outlet; 27. drying box; 28. hot air pipe; 29. ​​drying pipe; 30. driving hydraulic cylinder; 31. mounting frame; 32. rotating shaft; 33. drum. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0019] Example: Refer to Figure 1-5As shown, a sludge dehydration and solidification treatment device comprises a workbench 1 and a support frame 2 in an "L"-shaped structure arranged on the workbench 1, a cloth bag 3 is connected to the top side of the support frame 2 through a hook 4, the top and bottom sides of the cloth bag 3 are both provided with openings, the bottom opening of the cloth bag 3 is sealed by a sealing mechanism, sludge is placed in the cloth bag 3, a vertical plate 5 is hinged on the support frame 2 through a hinge rod 15, a conveyor belt 21 is provided on the workbench 1 below the cloth bag 3, a dehydration cylinder 22 is provided at the end of the workbench 1, a mud outlet 26 is provided on the outer side of the dehydration cylinder 22, a dehydration component is provided in the dehydration cylinder 22, a drying box 27 is provided on one side of the dehydration cylinder 22 through a fixed frame, a drying part and a flattening mechanism are provided in the drying box 27, and a movable hydraulic cylinder 7 is installed on the vertical section of the support frame 2. The output end of the hydraulic cylinder 7 is connected to a pull rope 8, and a locking belt 6 is provided on the outer edge of the cloth bag 3 near the opening. The moving end of the locking belt 6 is connected to the end of the pull rope 8. A spin-drying assembly for draining the cloth bag 3 is provided on the support frame 2; the spin-drying assembly includes a swing motor 13 connected to the vertical section of the support frame 2, and a steel wire rope 14 connected to the vertical plate 5 is provided on the output end of the swing motor 13. A threaded rod is connected to the end of the steel wire rope 14, and a threaded barrel threadedly connected to the threaded rod is provided on the vertical plate 5. The threaded rod cooperates with the threaded barrel to facilitate installation and disassembly between the steel wire rope 14 and the vertical plate 5, and to facilitate the vertical plate 5 to be located above the sealing mechanism. A filter press assembly is provided, and an arc rod 16 is connected to the vertical section of the support frame 2. A slider that slides in the arc rod 16 is provided on the surface of the vertical plate 5; Specifically, when the sludge needs to be dehydrated, the bag mouth is opened, the sludge is poured into the cloth bag 3, and the sludge is hung on the support frame 2 through the hook 4, and the mobile hydraulic cylinder 7 is driven. The mobile hydraulic cylinder 7 pulls the drawstring 8, and the drawstring 8 pulls the locking belt 6, so that the locking belt 6 seals the bag mouth. At this time, the swing motor 13 is driven to drive the wire rope 14 to move back and forth, thereby driving the cloth bag 3 to move left and right. The cloth bag 3 is swung back and forth to dehydrate the sludge, and then the filter press assembly is driven to filter the sludge. The sludge is dehydrated for a second time, and then the sealing mechanism is driven to open the bottom opening of the cloth bag 3, and the sludge falls onto the conveyor belt 21. The conveyor belt 21 transports the sludge to the dehydration cylinder 22. The sludge is dehydrated for a third time through the dehydration component. The dehydrated sludge is discharged to the drying box 27 through the mud outlet 26, and the flattening mechanism is driven to flatten the sludge. The drying element dries the sludge, and the sludge dehydration and solidification process is realized conveniently and quickly. The slider slides in a directional manner along the arc rod 16.

[0020] Further, the sealing mechanism includes a double-shaft motor 9 installed on the vertical plate 5. Both output ends of the double-shaft motor 9 are coaxially connected with transmission lead screws 10. Threaded nuts 11 are respectively threadedly connected to the two transmission lead screws 10. Clamping plates 12 are connected to both of the two threaded nuts 11. Grooves are respectively formed on one side of the two clamping plates 12 facing each other. Anti-slip threads are densely arranged in the two grooves. When it is necessary to seal the bottom opening of the cloth bag 3, the double-shaft motor 9 is driven. The double-shaft motor 9 drives the transmission lead screws 10 to rotate. The transmission lead screws 10 drive the threaded nuts 11 to move. Further, the threaded nuts 11 drive the clamping plates 12 to move. The two clamping plates 12 seal the bag opening. The grooves cooperate with the anti-slip threads to improve the sealing performance of the bag opening.

[0021] Further, the dehydration component includes a stirring motor 23 fixedly connected inside the dehydration cylinder 22. A stirring shaft 24 is coaxially connected to the output end of the stirring motor 23. A plurality of stirring blades 25 are symmetrically connected to the stirring shaft 24 at equal intervals along the height direction. A sludge dehydration additive and lime are added into the dehydration cylinder 22. The sludge dehydration additive and lime are poured into the dehydration cylinder 22. The stirring motor 23 is driven to drive the stirring shaft 24 to rotate. Further, the stirring shaft 24 drives the stirring blades 25 to rotate, so that the sludge, the sludge dehydration additive and the lime are fully mixed, thereby realizing the drying and disinfection of the sludge.

[0022] Further, the drying component includes drying pipes 29 distributed on the inner bottom side of the drying box 27. A plurality of air outlet holes are formed on the drying pipes 29. A hot air pipe 28 communicated with a plurality of drying pipes 29 is installed outside the drying box 27. The hot air pipe 28 is externally connected with a hot air device. The flattening mechanism includes a driving hydraulic cylinder 30 fixedly connected to the inner side of the drying box 27. An installation frame 31 with a "C" - shaped structure is arranged at the output end of the driving hydraulic cylinder 30. A roller 33 is rotatably connected between the installation frames 31 through a rotating shaft 32. The driving hydraulic cylinder 30 is started. The driving hydraulic cylinder 30 drives the installation frame 31 to move, driving the roller 33 to roll along the surface of the sludge to flatten the sludge. At this time, hot air is introduced through the hot air pipe 28. The hot air enters the drying pipes 29, and the air outlet holes lead the hot air to the sludge to realize the drying of the sludge.

[0023] Further, the pressure filtration component includes a bidirectional motor 17 installed on the vertical plate 5. Both output ends of the bidirectional motor 17 are coaxially connected with moving lead screws 18. Threaded sliding platforms 19 are respectively threadedly connected to the two moving lead screws 18. Pressing plates 20 are connected to both of the two threaded sliding platforms 19. The bidirectional motor 17 is driven. The bidirectional motor 17 drives the moving lead screws 18 to rotate. Further, the moving lead screws 18 drive the threaded sliding platforms 19 to slide, and the threaded sliding platforms 19 drive the pressing plates 20 to move. The two pressing plates 20 squeeze the cloth bag 3 to realize the dehydration of the sludge.

[0024] Operation steps: When the sludge needs to be dehydrated, open the bag mouth, pour the sludge into the cloth bag 3, hang it on the support frame 2 through the hook 4, drive the mobile hydraulic cylinder 7, the mobile hydraulic cylinder 7 pulls the drawstring 8, the drawstring 8 pulls the locking belt 6, so that the locking belt 6 seals the bag mouth, at this time, drive the swing motor 13 to drive the wire rope 14 to move back and forth, and then drive the cloth bag 3 to move left and right, and the cloth bag 3 swings back and forth to dehydrate the sludge, then drive the filter press assembly to perform secondary dehydration on the sludge, and then drive the sealing. The sealing mechanism opens the bottom opening of the cloth bag 3, and the sludge falls onto the conveyor belt 21. The conveyor belt 21 transports the sludge to the dewatering cylinder 22. The sludge is dehydrated three times through the dewatering component. The dehydrated sludge is discharged to the drying box 27 through the mud outlet 26, and the flattening mechanism is driven to flatten the sludge. The drying component dries the sludge, and the sludge dehydration and solidification treatment is convenient and fast. The slider slides in a directional manner along the arc rod 16. When it is necessary to seal the bottom opening of the cloth bag 3, the dual-axis motor 9 is driven. The dual-axis motor 9 drives The transmission screw 10 rotates, and the transmission screw 10 drives the screw nut 11 to move, and then the screw nut 11 drives the clamping plate 12 to move, and the two clamping plates 12 seal the bag opening, and the grooves and anti-slip patterns cooperate to improve the sealing of the bag opening, and the sludge dehydration additive and lime are poured into the dehydration cylinder 22, and the stirring motor 23 is driven to drive the stirring shaft 24 to rotate, and then the stirring shaft 24 drives the stirring blade 25 to rotate, so that the sludge and the sludge dehydration additive and lime are fully mixed, thereby achieving the drying and disinfection of the sludge, and starting the driving liquid The pressure cylinder 30 drives the hydraulic cylinder 30 to drive the mounting frame 31 to move, and drives the roller 33 to roll along the surface of the sludge to flatten the sludge. At this time, hot air is connected through the hot air pipe 28, and the hot air enters the drying pipe 29. The air outlet passes the hot air to the sludge to achieve sludge drying, driving the bidirectional motor 17, and the bidirectional motor 17 drives the moving screw 18 to rotate, and then the moving screw 18 drives the screw slide 19 to slide, and the screw slide 19 drives the pressing plate 20 to move, and the two pressing plates 20 squeeze the cloth bag 3 to achieve sludge dehydration.

[0025] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A sludge dehydration and solidification treatment device, characterized in that: The invention comprises a workbench (1) and a support frame (2) in an "L"-shaped structure arranged on the workbench (1); a cloth bag (3) is connected to the top side of the support frame (2) via a hook (4); openings are provided on the top and bottom sides of the cloth bag (3); the bottom opening of the cloth bag (3) is sealed by a sealing mechanism; sludge is placed in the cloth bag (3); a vertical plate (5) is hingedly connected to the support frame (2) via a hinge rod (15); a conveyor belt (21) is provided on the workbench (1) below the cloth bag (3); a dehydration cylinder (22) is provided at the end of the workbench (1); and the dehydration cylinder (22) A mud outlet (26) is provided on the outside, a dehydration assembly is provided in the dehydration cylinder (22), a drying box (27) is provided on one side of the dehydration cylinder (22) through a fixed frame, a drying element and a flattening mechanism are provided in the drying box (27), and a movable hydraulic cylinder (7) is installed on the vertical section of the support frame (2), the output end of the movable hydraulic cylinder (7) is connected to a pull rope (8), a locking belt (6) is provided on the outer edge of the cloth bag (3) near the opening, the movable end of the locking belt (6) is connected to the end of the pull rope (8), and a spin-drying assembly for draining the cloth bag (3) is provided on the support frame (2); The spin-drying assembly comprises a swing motor (13) connected to the vertical section of the support frame (2), and a steel wire rope (14) connected to the vertical plate (5) is provided at the output end of the swing motor (13); The vertical plate (5) is located above the sealing mechanism and is provided with a filter press assembly.

2. A sludge dehydration and solidification treatment device according to claim 1, characterized in that: The end of the steel wire rope (14) is connected to a threaded rod, and the vertical plate (5) is provided with a threaded barrel threadably connected to the threaded rod.

3. The sludge dehydration and solidification treatment device according to claim 1, characterized in that: The sealing mechanism comprises a double-axis motor (9) mounted on a vertical plate (5), wherein two output ends of the double-axis motor (9) are coaxially connected to a transmission screw (10), two transmission screws (10) are respectively threadedly connected to screw nuts (11), and two screw nuts (11) are respectively connected to a clamping plate (12).

4. A sludge dehydration and solidification treatment device according to claim 3, characterized in that: The two clamping plates (12) are respectively provided with grooves on opposite sides thereof, and both grooves are densely covered with anti-slip grooves.

5. The sludge dehydration and solidification treatment device according to claim 1, characterized in that: The dehydration component comprises a stirring motor (23) fixedly connected in a dehydration cylinder (22); a stirring shaft (24) is coaxially connected to the output end of the stirring motor (23); a plurality of stirring blades (25) are symmetrically connected to the stirring shaft (24) at equal intervals along the height direction; and sludge dehydration additives and lime are added in the dehydration cylinder (22).

6. The sludge dehydration and solidification treatment device according to claim 1, characterized in that: The vertical section of the support frame (2) is connected to an arc-shaped rod (16), and the surface of the vertical plate (5) is provided with a sliding block that slides inside the arc-shaped rod (16).

7. The sludge dehydration and solidification treatment device according to claim 1, characterized in that: The drying element comprises drying tubes (29) distributed on the inner bottom side of the drying box (27), the drying tubes (29) being provided with a plurality of air outlet holes, a hot air tube (28) connected to the plurality of drying tubes (29) being installed on the outer side of the drying box (27), and the hot air tube (28) being externally connected to a hot air device.

8. The sludge dehydration and solidification treatment device according to claim 1, characterized in that: The flattening mechanism includes a driving hydraulic cylinder (30) fixedly connected to the inner side of the drying box (27). An installation frame (31) with a "C"-shaped structure is provided at the output end of the driving hydraulic cylinder (30). A roller (33) is rotatably connected between the installation frames (31) through a rotating shaft (32).

9. The sludge dehydration and solidification treatment device according to claim 1, characterized in that: The filter pressing assembly includes a bidirectional motor (17) installed on the vertical plate (5). Moving lead screws (18) are coaxially connected to both output ends of the bidirectional motor (17). Lead screw sliders (19) are respectively threadedly connected to the two moving lead screws (18). Pressing plates (20) are connected to both of the lead screw sliders (19).

Citation Information

Patent Citations

  • Chemical fertilizer bag swinging-type cleaning device for agriculture

    CN110404870A

  • Environment-friendly dredging device and method for river regulation

    CN114634290A

  • Movable stacked spiral sludge dewatering machine

    CN210711234U

  • Sludge collecting bin of movable cloth bag cleaning and spin-drying all-in-one machine

    CN217247155U

  • Environment-friendly sludge dewatering and curing treatment device

    CN219972117U