Efficient sludge dewatering device

Abstract

The utility model discloses an efficient sludge dewatering device, which belongs to the technical field of sludge dewatering and comprises a dewatering box, a plurality of upper rollers are rotatably connected to an inner cavity of the dewatering box, a plurality of lower rollers are rotatably connected to the inner cavity of the dewatering box, a first conveying filter belt is sleeved on the upper rollers, and a second conveying filter belt is sleeved on the lower rollers. And a second conveying filter belt is arranged on the plurality of lower rotating rollers in a sleeving manner. According to the sludge dewatering device, sludge is dewatered through extrusion of the first conveying filter belt and the second conveying filter belt, the sludge on the first conveying filter belt falls onto the second conveying filter belt through knocking of the knocking columns on one rotating rod, and the sludge on the second conveying filter belt falls off through knocking of the knocking columns on the other rotating rod; meanwhile, the cleaning brush is used for cleaning the sludge on the side surface of the second conveying filter belt, so that the dewatered sludge can smoothly fall off from the first conveying filter belt and the second conveying filter belt.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge dehydration, and more specifically to a high-efficiency sludge dehydration device. Background Art

[0002] Sludge treatment is the harmless processing process of sludge such as concentration, conditioning, dehydration, stabilization, drying or incineration. Sludge dehydration and drying is a sludge treatment method that removes moisture from flowing primary, concentrated or digested sludge and converts it into semi-solid or solid mud blocks.

[0003] After searching, the utility model patent with announcement number CN215592902U discloses a high-efficiency sludge dewatering device, including a box body, a plurality of fixed brackets are fixedly installed inside the box body, a placing frame is fixedly installed on the upper end of the fixed bracket, a first conveyor belt and a second conveyor belt are installed inside the fixed bracket, a plurality of first rotating shafts are installed inside the first conveyor belt, a plurality of second rotating shafts are installed inside the first conveyor belt, a first motor and a second motor are fixedly installed on one side of the fixed bracket, a pressure rod is fixedly installed on the upper end of the fixed bracket, a vibration plate is fixedly installed on one side of the fixed bracket, and a vibration motor is fixedly installed on one side of the vibration plate; this high-efficiency sludge dewatering device has a simple and reasonable structure, a novel design, simple and convenient operation, can effectively improve the sludge dewatering efficiency, is suitable for various enterprises, and has high practical value.

[0004] However, the above patent has the following shortcomings: after the first conveyor belt and the second conveyor belt squeeze the sludge and dehydrate it, it is not easy to ensure that the sludge on the second conveyor belt can completely fall onto the first conveyor belt for transportation, and the sludge on the first conveyor belt cannot be guaranteed to fall completely by only relying on the vibration motor. For this reason, we propose an efficient sludge dehydration device. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a high-efficiency sludge dewatering device.

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

[0007] A high-efficiency sludge dewatering device comprises a dewatering box, wherein the inner cavity of the dewatering box is rotatably connected with a plurality of upper rollers, the inner cavity of the dewatering box is rotatably connected with a plurality of lower rollers, a plurality of the upper rollers are sleeved with a first conveyor filter belt, a plurality of the lower rollers are sleeved with a second conveyor filter belt, a blower mechanism is arranged on the dewatering box, a feed port is fixedly sleeved on the top of the dewatering box, two rotating rods are rotatably connected to the inner cavity of the dewatering box and are respectively located on the inner sides of the first conveyor filter belt and the second conveyor filter belt, a plurality of knocking columns are respectively fixedly connected to the outer sides of the two rotating rods, two third motors are fixedly installed on the front side of the dewatering box, the output shafts of the two third motors are respectively connected to the ends of the two rotating rods, the inner cavity of the dewatering box is rotatably connected with a rotating column, a cleaning brush is arranged on the outer side of the rotating column, the end of the cleaning brush is in contact with the outer side of the second conveyor filter belt, a fourth motor is fixedly installed on the front side of the dewatering box, the output shaft of the fourth motor is connected to one end of the rotating shaft of the rotating column, and an extrusion mechanism is arranged in the inner cavity of the dewatering box.

[0008] As a preferred solution of the utility model, the blowing mechanism includes a blowing box fixedly sleeved on the inner cavity of the dehydration box and a blowing pump fixedly installed on the back of the dehydration box, the output end of the blowing pump extends to the inner cavity of the blowing box, and a plurality of blowing holes are provided on the bottom surface of the blowing box.

[0009] As a preferred solution of the utility model, the extrusion mechanism includes an installation box fixedly connected to the inner cavity of the dehydration box and a plurality of support rollers rotatably connected to the inner cavity of the dehydration box, the top surface of the support roller is in contact with the inner side surface of the second conveyor filter belt, the inner cavity of the installation box is fixedly installed with a plurality of electric push rods, the output ends of the plurality of electric push rods all extend to the bottom of the installation box and are fixedly connected to an extrusion frame, the inner side of the extrusion frame is rotatably connected with a plurality of extrusion rollers, the bottom surface of the extrusion roller is in contact with the inner side surface of the lower rotating roller.

[0010] As a preferred solution of the utility model, a water receiving tray is fixedly connected to the inner cavity of the dehydration box and located below the support roller, a drain pipe is fixedly sleeved on the side of the water receiving tray, and the end of the drain pipe extends to the outside of the dehydration box.

[0011] As a preferred solution of the utility model, a mud storage box is placed at the bottom of the inner cavity of the dehydration box, and the end of the mud storage box extends to the outside of the dehydration box and is fixedly installed with a handle.

[0012] As a preferred solution of the utility model, a first motor is fixedly installed on the front of the dehydration box, and the output shaft of the first motor is connected to one end of the rotating shaft of one of the upper rollers. A second motor is fixedly installed on the front of the dehydration box, and the output shaft of the second motor is connected to one end of the rotating shaft of one of the lower rollers.

[0013] As a preferred solution of the utility model, an exhaust hole is opened on the side of the dehydration box.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In the utility model, the sludge is dehydrated by squeezing the first conveyor filter belt and the second conveyor filter belt, and the sludge on the first conveyor filter belt is dropped onto the second conveyor filter belt by knocking the knocking column on a rotating rod, and the sludge on the second conveyor filter belt is dropped by knocking the knocking column on another rotating rod. At the same time, the sludge on the side of the second conveyor filter belt is cleaned by a cleaning brush, so as to ensure that the dehydrated sludge can smoothly drop from the first conveyor filter belt and the second conveyor filter belt, which is convenient and practical.

[0016] (2) In the utility model, the blow pump, the blow box and the blow hole are used in coordination, the blow pump is used to draw external air into the blow box, and the air in the blow box is blown downward from the blow hole, and the air blown downward from the blow hole is blown toward the second conveyor filter belt, thereby cleaning the sludge in the filter holes on the second conveyor filter belt, ensuring the dehydration effect of the second conveyor filter belt, and improving the working quality of the high-efficiency sludge dehydration device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the knocking column of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the cleaning brush of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the blow box of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the extrusion roller of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Dewatering box; 2. Upper roller; 3. First conveyor filter belt; 4. Lower roller; 5. Second conveyor filter belt; 6. Blowing mechanism; 7. Extrusion mechanism; 8. Rotating rod; 9. Knocking column; 10. Third motor; 11. Rotating column; 12. Cleaning brush; 13. Fourth motor; 14. Blowing box; 15. Blowing pump; 16. Blowing hole; 17. Support roller; 18. Mounting box; 19. Electric push rod; 20. Extrusion frame; 21. Extrusion roller; 22. Mud storage box; 23. Handle; 24. Water tray; 25. Drain pipe; 26. First motor; 27. Second motor; 28. Exhaust hole; 29. ​​Feed inlet. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Example:

[0029] See also Figure 1-6A high-efficiency sludge dewatering device comprises a dewatering box 1, wherein the inner cavity of the dewatering box 1 is rotatably connected with a plurality of upper rotating rollers 2, wherein the inner cavity of the dewatering box 1 is rotatably connected with a plurality of lower rotating rollers 4, wherein a first conveying filter belt 3 is sleeved on the plurality of upper rotating rollers 2, wherein a second conveying filter belt 5 is sleeved on the plurality of lower rotating rollers 4, wherein a blower mechanism 6 is provided on the dewatering box 1, wherein a feed port 29 is fixedly sleeved on the top of the dewatering box 1, wherein the inner cavity of the dewatering box 1 is respectively located on the inner side of the first conveying filter belt 3 and the second conveying filter belt 5 and is rotatably connected with two rotating rods 8, wherein the outer sides of the two rotating rods 8 are respectively fixed A plurality of knocking columns 9 are fixedly connected, two third motors 10 are fixedly installed on the front of the dehydration box 1, and the output shafts of the two third motors 10 are respectively connected to the ends of the two rotating rods 8, and the inner cavity of the dehydration box 1 is rotatably connected with a rotating column 11, and a cleaning brush 12 is arranged on the outer side of the rotating column 11, and the end of the cleaning brush 12 is in contact with the outer side surface of the second conveyor filter belt 5, and a fourth motor 13 is fixedly installed on the front of the dehydration box 1, and the output shaft of the fourth motor 13 is connected to one end of the rotating shaft of the rotating column 11, and the inner cavity of the dehydration box 1 is provided with an extrusion mechanism 7.

[0030] In this embodiment, the sides of the first conveyor filter belt 3 and the second conveyor filter belt 5 are in contact with the inner wall of the dewatering box 1 to prevent sludge from falling from the sides of the first conveyor filter belt 3 and the second conveyor filter belt 5. In addition, the ends of the knocking columns 9 on the sides of the two rotating rods 8 are in contact with the inner sides of the first conveyor filter belt 3 and the second conveyor filter belt 5 respectively.

[0031] For details, please refer to Figure 2 and Figure 5 The blowing mechanism 6 includes a blowing box 14 fixedly sleeved in the inner cavity of the dehydration box 1 and a blowing pump 15 fixedly installed on the back of the dehydration box 1. The output end of the blowing pump 15 extends to the inner cavity of the blowing box 14. A plurality of blowing holes 16 are provided on the bottom surface of the blowing box 14.

[0032] In this embodiment, the blowing box 14 is located above the inner bottom of the second conveyor filter belt 5, and the blowing holes 16 are downward toward the second conveyor filter belt 5, so that the wind blown out by the blowing holes 16 can blow the sludge on the second conveyor filter belt 5 off.

[0033] For details, please refer to Figure 2 and Figure 6 The extrusion mechanism 7 includes a mounting box 18 fixedly connected to the inner cavity of the dehydration box 1 and a plurality of support rollers 17 rotatably connected to the inner cavity of the dehydration box 1, the top surface of the support roller 17 is in contact with the inner side surface of the second conveyor filter belt 5, and a plurality of electric push rods 19 are fixedly installed in the inner cavity of the mounting box 18, and the output ends of the plurality of electric push rods 19 extend to the bottom of the mounting box 18 and are fixedly connected to an extrusion frame 20, and a plurality of extrusion rollers 21 are rotatably connected to the inner side of the extrusion frame 20, and the bottom surface of the extrusion roller 21 is in contact with the inner side surface of the lower rotating roller 4.

[0034] In this embodiment, the support roller 17 is used to support the top of the second conveyor filter belt 5, the electric push rod 19 is used to drive the extrusion frame 20 and the extrusion roller 21 to move up and down, and the extrusion roller 21 is used to squeeze the bottom of the lower rotating roller 4, ensuring that the bottom of the first conveyor filter belt 3 and the top of the second conveyor filter belt 5 can effectively squeeze the sludge.

[0035] For details, please refer to Figure 1 and Figure 2 A water receiving tray 24 is fixedly connected to the inner cavity of the dehydration box 1 and located below the support roller 17 . A drainage pipe 25 is fixedly sleeved on the side of the water receiving tray 24 , and the end of the drainage pipe 25 extends to the outside of the dehydration box 1 .

[0036] In this embodiment, the water receiving pan 24 is used to receive the water separated from the sludge, and the water in the water receiving pan 24 is discharged by the drain pipe 25.

[0037] For details, please refer to Figure 1 and Figure 3 A mud storage box 22 is placed at the bottom of the inner cavity of the dehydration box 1, and the end of the mud storage box 22 extends to the outside of the dehydration box 1 and is fixedly installed with a handle 23.

[0038] In this embodiment, the side surface of the mud storage box 22 is in contact with the inner wall of the dehydration box 1, so as to ensure that the mud storage box 22 can collect the dehydrated sludge.

[0039] For details, please refer to Figure 1 and Figure 2 A first motor 26 is fixedly installed on the front of the dehydration box 1, and the output shaft of the first motor 26 is connected to one end of the rotating shaft of one of the upper rollers 2. A second motor 27 is fixedly installed on the front of the dehydration box 1, and the output shaft of the second motor 27 is connected to one end of the rotating shaft of one of the lower rollers 4.

[0040] In this embodiment, the first motor 26 is used to drive the upper roller 2 and the first conveyor filter belt 3 to rotate clockwise, and the second motor 27 is used to drive the lower roller 4 and the second conveyor filter belt 5 to rotate counterclockwise, so that the bottom of the first conveyor filter belt 3 and the top of the second conveyor filter belt 5 are used to squeeze and dehydrate the sludge.

[0041] For details, please refer to Figure 1 An exhaust hole 28 is provided on the side of the dehydration box 1.

[0042] In this embodiment, the excess gas in the dehydration box 1 is discharged through the exhaust hole 28.

[0043] Working principle: When in use, first start the first motor 26 to drive the upper rotating roller 2 and the first conveyor filter belt 3 to rotate clockwise, start the second motor 27 to drive the lower rotating roller 4 and the second conveyor filter belt 5 to rotate counterclockwise, start the two third motors 10 to drive the two rotating rods 8 and the knocking column 9 to rotate, use the knocking column 9 on the two rotating rods 8 to knock the inner sides of the first conveyor filter belt 3 and the second conveyor filter belt 5, use the fourth motor 13 to drive the rotating column 11 and the cleaning brush 12 to rotate, use the cleaning brush 12 to brush the outer side of the second conveyor filter belt 5, and then place the sludge to be dehydrated from the feed port 29 into the first conveyor filter belt 3, use the rotating first conveyor filter belt 3 to drive the sludge to fall onto the second conveyor filter belt 5, use the second conveyor filter belt 5 to drive the sludge to move, and at the same time use the bottom of the first conveyor filter belt 3 and the top of the second conveyor filter belt 5 to squeeze the sludge so that the squeezing force The water in the sludge is squeezed out, and the squeezed water falls into the water receiving tray 24, and the sewage is discharged from the drain pipe 25. Then, the sludge on the first conveyor filter belt 3 falls onto the second conveyor filter belt 5 by knocking a knocking column 9 on a rotating rod 8, and the second conveyor filter belt 5 continues to transport the dehydrated sludge, so that the sludge falls from the side of the second conveyor filter belt 5 into the mud storage box 22. At this time, the sludge on the second conveyor filter belt 5 is dropped by knocking a knocking column 9 on another rotating rod 8, and the side of the second conveyor filter belt 5 is cleaned by a cleaning brush 12. Finally, the blowing pump 15 is started to draw external air into the blowing box 14, and the air in the blowing box 14 is blown downward from the blowing hole 16, and the air blown downward from the blowing hole 16 is blown downward to the second conveyor filter belt 5, so that the sludge in the filter holes on the second conveyor filter belt 5 is completely cleaned.

[0044] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. An efficient sludge dewatering device, comprising a dewatering tank (1), characterized in that: The inner cavity of the dehydration box (1) is rotatably connected to a plurality of upper rollers (2), and the inner cavity of the dehydration box (1) is rotatably connected to a plurality of lower rollers (4). A first conveyor filter belt (3) is sleeved on the plurality of upper rollers (2), and a second conveyor filter belt (5) is sleeved on the plurality of lower rollers (4). The dehydration box (1) is provided with a blower mechanism (6). The top of the dehydration box (1) is fixedly sleeved with a feed port (29). The inner cavity of the dehydration box (1) is rotatably connected to two rotating rods (8) located on the inner sides of the first conveyor filter belt (3) and the second conveyor filter belt (5), respectively. The outer sides of the two rotating rods (8) are respectively fixedly connected to a plurality of knocking columns. (9), two third motors (10) are fixedly installed on the front of the dehydration box (1), and the output shafts of the two third motors (10) are respectively connected to the ends of the two rotating rods (8). The inner cavity of the dehydration box (1) is rotatably connected to a rotating column (11), and a cleaning brush (12) is arranged on the outer side of the rotating column (11), and the end of the cleaning brush (12) contacts the outer side of the second conveyor filter belt (5). A fourth motor (13) is fixedly installed on the front of the dehydration box (1), and the output shaft of the fourth motor (13) is connected to one end of the rotating shaft of the rotating column (11). The inner cavity of the dehydration box (1) is provided with an extrusion mechanism (7).

2. The high-efficiency sludge dewatering device according to claim 1, characterized in that: The blowing mechanism (6) comprises a blowing box (14) fixedly sleeved in the inner cavity of the dehydration box (1) and a blowing pump (15) fixedly installed on the back of the dehydration box (1), the output end of the blowing pump (15) extends to the inner cavity of the blowing box (14), and the bottom surface of the blowing box (14) is provided with a plurality of blowing holes (16).

3. The high-efficiency sludge dewatering device according to claim 1 is characterized in that: The squeezing mechanism (7) comprises a mounting box (18) fixedly connected to the inner cavity of the dehydration box (1) and a plurality of support rollers (17) rotatably connected to the inner cavity of the dehydration box (1), the top surface of the support roller (17) being in contact with the inner side surface of the second conveyor filter belt (5), a plurality of electric push rods (19) being fixedly installed in the inner cavity of the mounting box (18), the output ends of the plurality of electric push rods (19) all extending to the bottom of the mounting box (18) and being fixedly connected to a squeezing frame (20), a plurality of squeezing rollers (21) being rotatably connected to the inner side of the squeezing frame (20), the bottom surface of the squeezing roller (21) being in contact with the inner side surface of the lower rotating roller (4).

4. The high-efficiency sludge dewatering device according to claim 3 is characterized in that: A water receiving tray (24) is fixedly connected to the inner cavity of the dehydration box (1) and located below the support roller (17); a drainage pipe (25) is fixedly sleeved on the side of the water receiving tray (24); and the end of the drainage pipe (25) extends to the outside of the dehydration box (1).

5. The high-efficiency sludge dewatering device according to claim 1 is characterized in that: A mud storage box (22) is placed at the bottom of the inner cavity of the dehydration box (1); an end of the mud storage box (22) extends to the outside of the dehydration box (1) and is fixedly provided with a handle (23).

6. The high-efficiency sludge dewatering device according to claim 1, characterized in that: A first motor (26) is fixedly mounted on the front of the dehydration box (1), and an output shaft of the first motor (26) is connected to one end of a rotating shaft of one of the upper rotating rollers (2). A second motor (27) is fixedly mounted on the front of the dehydration box (1), and an output shaft of the second motor (27) is connected to one end of a rotating shaft of one of the lower rotating rollers (4).

7. The high-efficiency sludge dewatering device according to claim 1, characterized in that: An exhaust hole (28) is provided on the side of the dehydration box (1).

Images