A sewage treatment sludge dewatering equipment

Abstract

The present invention discloses a sewage treatment sludge dewatering device, comprising a conveying frame, on which a filter belt is arranged; and further comprising: a cleaning component, wherein the cleaning component comprises a wind wheel, an air outlet end of the wind wheel is connected to an air outlet pipe, and the other end of the air outlet pipe is connected to a lifting pipe, the lifting pipe is slidably connected to the air outlet pipe, and the lifting pipe is fixedly connected to an adapter at one end away from the air outlet pipe, and is rotatably connected to a rotating pipe arranged between the filter belts through the adapter. This sewage treatment sludge dewatering device relates to the technical field of sewage treatment, and solves the problem that the filter mesh on the filter belt is easily blocked by sludge during the process of continuously conveying sludge, resulting in the need for a lot of time and clean water for subsequent rinsing, which not only affects work efficiency but also wastes water resources.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, in particular to sewage treatment sludge dewatering equipment. Background Art

[0002] Wastewater treatment is the process of purifying wastewater to meet the required water quality for discharge into a water body or reuse. It is widely used in various fields, including construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, healthcare, and catering, and is increasingly becoming part of everyday life. It is a sludge treatment method that removes moisture from flowing primary, concentrated, or digested sludge, converting it into semi-solid or solid clumps. After dewatering, the sludge moisture content can be reduced to 55% to 80%, depending on the properties of the sludge and sediment and the efficiency of the dewatering equipment. Further dewatering of the sludge is called sludge drying, with the moisture content of dried sludge below 10%. Dewatering methods primarily include natural drying, mechanical dewatering, and granulation.

[0003] At present, when dewatering sludge, mechanical dewatering is usually used for efficiency. Among them, the belt sludge filter press is a dewatering equipment developed. During dewatering, the flocculated sludge first enters the gravity dewatering zone, and most of the free water is filtered out through the filter belt under the action of gravity. Finally, the sludge enters the extrusion zone through the filter belt and is squeezed into a mud cake. In the process of continuously transporting the sludge, the filter mesh on the filter belt is easily blocked by the sludge, resulting in a large amount of time and clean water required for subsequent flushing, which not only affects work efficiency but also wastes water resources. For this reason, we propose a sewage treatment sludge dewatering equipment. Summary of the Invention

[0004] The object of the present invention is to provide a sewage treatment sludge dewatering device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sewage treatment sludge dewatering equipment, comprising: a conveying frame, a filter belt is provided on the conveying frame; and further comprising: a cleaning component, the cleaning component comprising an impeller, an air outlet end of the impeller is connected to an air outlet pipe, the other end of the air outlet pipe is connected to a lifting pipe, the lifting pipe is slidably connected to the air outlet pipe, the lifting pipe is fixedly connected to the air outlet pipe at one end away from the air outlet pipe, and is rotatably connected to a rotating pipe arranged between the filter belts through the lifting pipe, the rotating pipe is connected to the lifting pipe through the lifting pipe, a plurality of air outlet holes are provided on the rotating pipe, and the cleaning component is arranged on the conveying frame. The frame is mounted on the filter belt and is adapted to the filter belt; a tensioning assembly, the tensioning assembly includes two groups of fixing seats respectively arranged on both sides of the conveying frame and fixedly connected thereto, the fixing seats are provided with sliding grooves, and are slidably connected to a sliding block rotatably connected to the rotating tube through the sliding grooves, the tensioning assembly is arranged on the conveying frame and connected to the cleaning assembly; a shaking assembly, the shaking assembly is arranged in connection with the wind wheel and adapted to the filter belt, which solves the problem that the filter belt is easily blocked by sludge during the process of continuously conveying sludge, resulting in a large amount of time and clean water required for subsequent flushing, which not only affects work efficiency but also wastes water resources.

[0006] The cleaning assembly includes multiple groups of rotating wheels arranged on the rotating tube and fixedly connected thereto, the rotating wheels are in contact with the filter belt, the rotating tube is also fixedly connected to a rotating disk, a brush is provided on the side of the rotating disk, and the bearing of the wind wheel is fixedly connected to the rotating shaft, which is conducive to cleaning the sludge residue on the filter.

[0007] The tensioning assembly includes a mounting base installed on the conveying frame and fixedly connected to the wind wheel. The mounting base is also fixedly connected to an electric motor. The output end of the electric motor is fixedly connected to a power shaft. The power shaft is transmission-connected to the rotating shaft. A reciprocating screw rod is rotatably connected to the mounting base. The reciprocating screw rod is transmission-connected to the power shaft. The tensioning assembly also includes a lifting mechanism arranged on the conveying frame and connected to the lifting tube, which is conducive to driving the cleaning assembly to operate during operation.

[0008] The lifting mechanism includes two groups of limit blocks respectively arranged on both sides of the conveying frame and fixedly connected thereto, the limit blocks are slidably connected with a rectangular sleeve, a connecting rod is fixedly connected between the two groups of rectangular sleeves, and the bottom ends of the two groups of rectangular sleeves are fixedly connected to the sliding block, the rectangular sleeve below the mounting seat is threadedly connected to the reciprocating screw rod, and the sliding block below the mounting seat is fixedly connected with a driving block, and the driving block is fixedly connected to the lifting tube, which is conducive to driving the filter belt to reciprocate in a tensioning and relaxing state.

[0009] The shaking assembly includes an air inlet pipe arranged at the air inlet end of the wind wheel, the air inlet pipe is connected to the wind wheel, the other end of the air inlet pipe is connected to an air collecting cover, a wind impeller is arranged in the wind collecting cover, the wind impeller is rotatably connected to a driving shaft, and a plurality of shaking blocks adapted to the filter belt are fixedly connected to the driving shaft, which is beneficial to improving the cleaning force of the filter belt.

[0010] Preferably, the power shaft and the rotating shaft are connected via a pulley set, which is conducive to driving the rotating shaft to rotate through the power shaft, and then driving the wind wheel to operate.

[0011] Preferably, a first bevel gear is fixedly connected to the power shaft, and the first bevel gear is meshedly connected to a second bevel gear fixedly connected to the top end of the reciprocating screw, which is conducive to driving the reciprocating screw to rotate through the power shaft.

[0012] Preferably, one end of the rotating tube away from the adapter is open, and a collecting box fixedly connected to the sliding block is provided below, which is conducive to cleaning the sludge sprayed out of the rotating tube.

[0013] Preferably, a group of the fixing seats away from the driving block is fixedly connected with a buffer spring through the sliding groove, which is beneficial to reducing the impact force during the falling process of the sliding block.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The present invention effectively solves the problem that the filter mesh on the filter belt is easily clogged with sludge during the process of continuously conveying sludge by the original filter belt, which requires a lot of time and clean water for subsequent flushing, not only affecting work efficiency but also wasting water resources, through the cooperation of the cleaning component, the tensioning component and the shaking component. After the electric operation, the reciprocating screw is driven to rotate by the transmission, and the reciprocating screw is used to drive the rectangular sleeve to rise and fall, and the two sets of rectangular sleeves cooperate to drive the rotating tube to rise and fall through the sliding block, so that the rotating wheel on the rotating tube pushes the filter belt to form a reciprocating tensioned and relaxed state during the lifting process, thereby making the filter belt The filter holes on the filter belt are constantly opening and closing, and the brush on the rotating tube cooperates to make the sludge in the filter holes fall off. At the same time, the wind wheel is operating, and the air outlet end of the wind wheel is blown by wind force, so that the wind force passes through the air outlet pipe, lifting pipe, adapter and rotating pipe in turn, and finally blows out through the air outlet holes on the rotating tube, blowing the filter holes on the filter belt to increase the cleaning effect of the sludge. The air inlet end of the wind wheel uses suction to rotate the impeller in the wind collecting cover, and then rotates the drive shaft. The multiple sets of shaking blocks on the driving shaft shake the filter belt. Multiple steps are coordinated to clean the sludge in the filter holes on the filter belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 for Figure 1 Enlarged view of area A in the middle;

[0018] Figure 3 It is a schematic diagram of the overall structure of the present invention from another perspective;

[0019] Figure 4 for Figure 3 Enlarged view of area B in the middle;

[0020] Figure 5 This is a structural schematic diagram of the other side of the conveyor frame of the present invention;

[0021] Figure 6 for Figure 5 Enlarged view of area C in the middle;

[0022] Figure 7 This is a structural schematic diagram of the filter belt tensioning process of the present invention;

[0023] Figure 8 for Figure 7 Enlarged view of area D in the middle;

[0024] Figure 9 It is a schematic diagram of the local structure coordination of the present invention;

[0025] Figure 10 This is a schematic diagram of the cleaning component structure of the present invention;

[0026] Figure 11 It is a schematic diagram of the structure of the wind wheel part of the present invention.

[0027] In the figure: 1-conveying rack; 2-filter belt; 3-cleaning assembly; 4-wind wheel; 5-air outlet pipe; 6-lifting pipe; 7-adapter; 8-rotating pipe; 9-air outlet hole; 10-tensioning assembly; 11-fixed seat; 12-sliding groove; 13-sliding block; 14-shaking assembly; 15-rotating wheel; 16-rotating disk; 17-brush; 18-rotating shaft; 19-mounting seat; 20-motor; 21-power shaft; 22-reciprocating screw; 23-lifting mechanism; 24-limiting block; 25-rectangular sleeve; 26-connecting rod; 27-driving block; 28-air inlet pipe; 29-wind collecting cover; 30-impeller; 31-driving shaft; 32-shaking block; 33-first bevel gear; 34-second bevel gear; 35-collecting box; 36-buffer spring. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1

[0030] See also Figures 1-11 The sludge dewatering equipment for sewage treatment shown in the figure includes a conveying frame 1, on which a filter belt 2 is arranged; it also includes a cleaning component 3, which includes a wind wheel 4, the outlet end of the wind wheel 4 is connected to an air outlet pipe 5, and the other end of the air outlet pipe 5 is connected to a lifting pipe 6, which is slidably connected to the air outlet pipe 5, and the end of the lifting pipe 6 away from the air outlet pipe 5 is fixedly connected to a adapter 7, and is rotatably connected to a rotating pipe 8 arranged between the filter belts 2 through the adapter 7. The rotating pipe 8 is provided with a plurality of groups of air outlet holes 9, and the cleaning component 3 is arranged on the conveying frame 1 and adapted to the filter belt 2; a tensioning component 10 is tensioned. The tightening assembly 10 includes two sets of fixed seats 11 respectively arranged on both sides of the conveying frame 1 and fixedly connected thereto. The fixed seats 11 are provided with sliding grooves 12, and sliding blocks 13 rotatably connected to the rotating tube 8 are slidably connected through the sliding grooves 12. The tensioning assembly 10 is arranged on the conveying frame 1 and connected to the cleaning assembly 3; the shaking assembly 14 is arranged on the wind wheel 4 and is adapted to the filter belt 2. In order to collect the sludge ejected from the rotating tube 8, the end of the rotating tube 8 away from the adapter 7 is open, and a collection box 35 fixedly connected to the sliding block 13 is provided below;

[0031] See also Figure 7-10 The cleaning assembly 3 shown in the figure includes multiple groups of rotating wheels 15 arranged on the rotating tube 8 and fixedly connected thereto. The rotating wheels 15 are in contact with the filter belt 2. The rotating tube 8 is also fixedly connected to a rotating disk 16. A brush 17 is provided on the side of the rotating disk 16. The bearing of the wind wheel 4 is fixedly connected to a rotating shaft 18.

[0032] In this embodiment, the sludge is transported on the conveyor frame 1 through the filter belt 2. In order to prevent the filter belt 2 from being blocked, the tensioning assembly 10 is immediately operated. At the same time, the rotating shaft 18 fixedly connected to the bearing of the wind wheel 4 rotates, and the wind wheel 4 is immediately operated. The wind enters the air outlet pipe 5 through the air outlet end, and enters the lifting pipe 6 through the air outlet pipe 5, and enters the rotating pipe 8 through the adapter 7. The rotating wheel 15 on the rotating pipe 8 keeps pushing the filter belt 2 downward. At this time, the filter belt 2 in the operating state drives the rotating wheel 15 to rotate, and the rotating wheel 15 drives the rotating pipe 8 fixedly connected to it to rotate. When the tube 8 is rotating, wind can continue to enter the rotating tube 8 through the adapter 7, and the multiple groups of rotating disks 16 provided on the rotating tube 8 rotate accordingly, and the brushes 17 provided on the side of the rotating disk 16 continuously brush the filter holes of the filter belt 2 to clean the sludge residue in the filter holes. At the same time, after the wind enters the rotating tube 8, it is finally blown out through the air outlet 9 opened on the rotating tube 8, and the sludge residue on the filter belt 2 is also blown to ensure the cleaning intensity. At the same time, the sludge also enters the rotating tube 8 through the air outlet 9 and is continuously blown by the wind. It is ejected from the other end of the rotating tube 8 and finally falls into the collection box 35.

[0033] Example 2

[0034] See also Figures 1-4 as well as Figure 9-10 Example 2 is described. This example further describes Example 1. The tensioning assembly 10 shown in the figure includes a mounting base 19 mounted on the conveying frame 1 and fixedly connected to the wind wheel 4. The mounting base 19 is also fixedly connected to a motor 20. The output end of the motor 20 is fixedly connected to a power shaft 21. The power shaft 21 is transmission-connected to the rotating shaft 18, and a reciprocating screw rod 22 is rotatably connected to the mounting base 19. The reciprocating screw rod 22 is transmission-connected to the power shaft 21. The tensioning assembly 10 also includes a lifting mechanism 23 provided on the conveying frame 1 and connected to the lifting tube 6. The power shaft 21 is transmission-connected to the rotating shaft 18 via a pulley set. A first bevel gear 33 is fixedly connected to the power shaft 21. The first bevel gear 33 is meshed with a second bevel gear 34 fixedly connected to the top of the reciprocating screw rod 22.

[0035] See also Figures 1-6 The lifting mechanism 23 shown in the figure includes two groups of limit blocks 24 respectively arranged on both sides of the conveying frame 1 and fixedly connected thereto. The limit blocks 24 are slidably connected to rectangular sleeves 25. A connecting rod 26 is fixedly connected between the two groups of rectangular sleeves 25, and the bottom ends of the two groups of rectangular sleeves 25 are fixedly connected to the sliding block 13. The rectangular sleeve 25 below the mounting seat 19 is threadedly connected to the reciprocating screw rod 22, and the sliding block 13 below the mounting seat 19 is fixedly connected to a driving block 27. The driving block 27 is fixedly connected to the lifting tube 6. A group of fixed seats 11 away from the driving block 27 is fixedly connected to a buffer spring 36 through a sliding groove 12;

[0036] In this embodiment, when the filter belt 2 transports the sludge, the motor 20 on the mounting seat 19 operates at the same time, and the motor 20 drives the power shaft 21 to rotate through the output end, and drives the rotating shaft 18 to rotate through the transmission of the pulley group. While the power shaft 21 is rotating, it also drives the first bevel gear 33 to rotate. Through the meshing connection between the first bevel gear 33 and the second bevel gear 34, the second bevel gear 34 follows and rotates. The second bevel gear 34 drives the reciprocating screw rod 22 to rotate on the mounting seat 19. At this time, the reciprocating screw rod 22 is threadedly connected to the rectangular sleeve 25. When the reciprocating screw rod 22 rotates, it drives the rectangular sleeve 25 to reciprocate up and down on the limit block 24. The two sets of rectangular sleeves 25 are connected by the connecting rod 26 and move up and down synchronously. When the sliding block 13 is driven to slide back and forth in the sliding groove 12, the rotating tube 8 is driven to move up and down. At the same time, the sliding block 13 drives the lifting tube 6 to move up and down through the driving block 27. The lifting tube 6 slides repeatedly on the air outlet pipe 5, and the multiple sets of rotating wheels 15 on the rotating tube 8 continuously squeeze the filter belt 2 during the lifting process, so that the filter belt 2 is in a repeated switching state of tension and relaxation. In this process, the filter holes on the filter belt 2 are continuously expanded and contracted, and the cleaning component 3 is cooperated to make the sludge in the filter holes fall off.

[0037] Example 3

[0038] See also Figures 9-11 Example 3 is described. This example further illustrates Example 1 and Example 2. The shaking assembly 14 includes an air inlet pipe 28 provided at the air inlet end of the wind wheel 4. The air inlet pipe 28 is connected to the wind wheel 4. The other end of the air inlet pipe 28 is connected to a wind collecting cover 29. A wind impeller 30 is provided in the wind collecting cover 29. The wind impeller 30 is rotatably connected to a drive shaft 31. The drive shaft 31 is fixedly connected to a plurality of shaking blocks 32 adapted to the filter belt 2.

[0039] In this embodiment, when the wind wheel 4 is in operation, the air inlet end of the wind wheel 4 will suck the air inward, and the wind collecting cover 29 connected to the wind wheel 4 through the air inlet pipe 28 is the wind entry end. After the wind enters the wind collecting cover 29, the air flow will drive the internal impeller 30 to rotate. When the impeller 30 rotates, it drives the driving shaft 31 fixedly connected to it to rotate, and the multiple groups of shaking blocks 32 on the driving shaft 31 follow the rotation. In the process of tensioning and relaxing the filter belt 2, the shaking blocks 32 will shake the filter belt 2 through the convex shape when rotating, further ensuring the cleaning force of the sludge.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0041] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A sewage treatment sludge dewatering equipment, characterized in that: include: A conveying frame (1), wherein a filter belt (2) is provided on the conveying frame (1); and further comprising: a cleaning assembly (3), wherein the cleaning assembly (3) comprises a wind wheel (4), wherein the air outlet end of the wind wheel (4) is connected to an air outlet pipe (5), and the other end of the air outlet pipe (5) is connected to a lifting pipe (6), and the lifting pipe (6) is slidably connected to the air outlet pipe (5), and the end of the lifting pipe (6) away from the air outlet pipe (5) is fixedly connected to an adapter (7), and is rotatably connected to a rotating pipe (8) provided between the filter belts (2) through the adapter (7), and the rotating pipe (8) is connected to the lifting pipe (6) through the adapter (7), and a plurality of air outlet holes (9) are provided on the rotating pipe (8), and the cleaning assembly (3) is provided on the conveying frame (1) and is adapted to the filter belt (2); A tensioning assembly (10), the tensioning assembly (10) comprising two sets of fixing seats (11) respectively arranged on both sides of the conveying frame (1) and fixedly connected thereto, a sliding groove (12) being provided on the fixing seat (11), and a sliding block (13) rotatably connected to the rotating tube (8) being slidably connected through the sliding groove (12), the tensioning assembly (10) being arranged on the conveying frame (1) and connected to the cleaning assembly (3); A shaking assembly (14), the shaking assembly (14) is connected to the wind wheel (4) and is adapted to the filter belt (2); The cleaning assembly (3) comprises a plurality of rotating wheels (15) arranged on the rotating tube (8) and fixedly connected thereto, the rotating wheels (15) being in contact with the filter belt (2), the rotating tube (8) being further fixedly connected to a rotating disk (16), a brush (17) being arranged on the side of the rotating disk (16), and the bearing of the wind wheel (4) being fixedly connected to a rotating shaft (18); The tensioning assembly (10) includes a mounting seat (19) mounted on the conveying frame (1) and fixedly connected to the wind wheel (4), a motor (20) is also fixedly connected to the mounting seat (19), an output end of the motor (20) is fixedly connected to a power shaft (21), the power shaft (21) is transmission-connected to the rotating shaft (18), and a reciprocating screw rod (22) is rotationally connected to the mounting seat (19), the reciprocating screw rod (22) is transmission-connected to the power shaft (21), and the tensioning assembly (10) also includes a lifting mechanism (22) arranged on the conveying frame (1) and connected to the lifting tube (6). 3), the lifting mechanism (23) includes two groups of limit blocks (24) respectively arranged on both sides of the conveying frame (1) and fixedly connected thereto, the limit blocks (24) are slidably connected with rectangular sleeves (25), a connecting rod (26) is fixedly connected between the two groups of rectangular sleeves (25), and the bottom ends of the two groups of rectangular sleeves (25) are fixedly connected to the sliding block (13), the rectangular sleeve (25) below the mounting seat (19) is threadedly connected to the reciprocating screw rod (22), and the sliding block (13) below the mounting seat (19) is fixedly connected with a driving block (27), and the driving block (27) is fixedly connected to the lifting tube (6); The shaking assembly (14) includes an air inlet pipe (28) arranged at the air inlet end of the wind wheel (4), the air inlet pipe (28) is connected to the wind wheel (4), the other end of the air inlet pipe (28) is connected to a wind collecting cover (29), a wind impeller (30) is arranged in the wind collecting cover (29), the wind impeller (30) is rotatably connected to a driving shaft (31), and a plurality of shaking blocks (32) adapted to the filter belt (2) are fixedly connected to the driving shaft (31).

2. The sewage treatment sludge dewatering equipment according to claim 1, characterized in that: The power shaft (21) and the rotating shaft (18) are connected via a pulley group.

3. The sewage treatment sludge dewatering equipment according to claim 2, characterized in that: A first bevel gear (33) is fixedly connected to the power shaft (21), and the first bevel gear (33) is meshedly connected to a second bevel gear (34) fixedly connected to the top end of the reciprocating screw rod (22).

4. The sewage treatment sludge dewatering equipment according to claim 3, characterized in that: One end of the rotating tube (8) away from the adapter (7) is open, and a collecting box (35) fixedly connected to the sliding block (13) is provided below.

5. The sewage treatment sludge dewatering equipment according to claim 4, characterized in that: A group of the fixing seats (11) away from the driving block (27) is fixedly connected to a buffer spring (36) via the sliding groove (12).

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