A sludge cleaning device for river sewage treatment

Abstract

The application belongs to the technical field of river sludge cleaning, and discloses a sludge cleaning device for river sewage treatment, which comprises a supporting assembly and further comprises: hydraulic telescopic rods, four of which are arranged on the supporting assembly; movable blocks, four of which are fixedly connected to the output ends of the four hydraulic telescopic rods; and sludge cleaning assemblies, two of which are arranged on the front and rear movable blocks and used for digging and cleaning sludge; the device is completely discharged through cooperation of the water storage box, the bellows, the connecting plate, the communication pipe and other structures; water can enter the water storage box, the movable block can drive the sludge cleaning assembly to open and discharge, the connecting rod can pull the bellows through the water storage box, the bellows can be elongated to pull the connecting plate, the connecting plate can pull the sealing plug through the pull rope, the sealing plug is not sealingly connected with the water storage box, water can pass through the communication pipe and be discharged from the water jet pipe, and the water can impact the inner wall of the sludge cleaning grab bucket, so that the discharge of the device is more complete.

Description

Technical Field

[0001] This invention belongs to the field of river silt removal technology, specifically a silt removal device for river sewage treatment. Background Technology

[0002] River wastewater mainly originates from industrial discharges, domestic sewage, and commercial water use, with levels of substandard substances such as ammonia nitrogen, COD, and phosphorus being the primary pollutants. This untreated wastewater enters rivers directly or indirectly, exceeding their self-purification capacity, leading to water quality deterioration and changes in biological communities. Since many large industrial areas and cities worldwide are located along rivers, the large-scale discharge of wastewater into rivers has resulted in varying degrees of pollution in most waterways. Therefore, river wastewater treatment is of paramount importance in addressing this problem.

[0003] In existing technologies, river silt removal is required during river sewage treatment. This process typically involves using lifting equipment in conjunction with a dredging grab bucket. The grab bucket holds the silt, which is then placed on top of a dredging vessel. The grab bucket is then opened, allowing the silt to fall into the vessel under gravity. However, due to the viscous nature of the silt, it is difficult to completely remove it from the grab bucket. When the grab bucket is placed back into the water, the attached silt is washed back in, causing secondary water pollution. This paper proposes a silt removal device for river sewage treatment to address these problems. Summary of the Invention

[0004] To address the problems mentioned in the background art, the present invention provides a sludge removal device for river sewage treatment, which solves the problem that the sludge is relatively viscous and difficult to completely remove from the sludge grab bucket.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sludge removal device for river sewage treatment, comprising a support assembly, and further comprising: four hydraulic telescopic rods disposed on the support assembly; movable blocks, the four movable blocks respectively fixed to the output ends of the four hydraulic telescopic rods; sludge removal components, two of the sludge removal components disposed on the front and rear movable blocks for sludge excavation and removal; and cleaning components, two sets of cleaning components disposed on the sludge removal components for cleaning the sludge removal components. The cleaning assembly includes a water storage box, a corrugated pipe, a connecting plate, water permeable holes, a sealing head, a connecting pipe, a spray pipe, a pull rope, a limiting pulley, a sealing plug, a spring, and a limiting support column. The water storage box is fixed to one end of the corrugated pipe, and the other end of the corrugated pipe is fixed to the connecting plate. Each of the two connecting plates has an array of water permeable holes, and the positions of the two sets of water permeable holes are staggered. Each of the two connecting plates has a sealing head that matches the water permeable holes. The bottom side of the water storage box is linearly connected to the connecting pipe, and the bottom end of the connecting pipe is fixed to the spray pipe. The side of the connecting plate near the corrugated pipe is fixed to one end of the pull rope, and the other end of the pull rope is fixed to the sealing plug. A limiting pulley is rotatably connected inside the water storage box, and the bottom end of the sealing plug is fixed to the spring. The bottom ends of both water storage boxes are fixed to the limiting support column.

[0006] Preferably, the support assembly includes a support frame, limiting corner blocks, and limiting rods. Limiting corner blocks are provided at both the front and rear ends of the support frame. Limiting rods are symmetrically fixed to the support frame. The movable block is sleeved on the outside of the limiting rods. The two hydraulic telescopic rods are fixed to both ends of the same limiting rod. The limiting corner blocks are isosceles trapezoidal structures. The dredging assembly includes a connecting rod and a dredging grab bucket. The bottom of the connecting rod is fixedly connected to the dredging grab bucket. The middle of the movable block is movably connected to the connecting rod. The top of the connecting rod has an inclined surface. The top of the connecting rod may or may not abut against the bottom side of the limiting corner block.

[0007] Preferably, when the top of the connecting rod abuts against the bottom side of the limiting corner block, the two dredging grabs are aligned and tightly spliced, the two connecting plates are pressed and tightly contacted, the sealing column head can be tightly inserted into the corresponding water-permeable hole, and the corrugated pipe is compressed and shortened.

[0008] Preferably, each of the connecting plates consists of an internal magnet block and an outer rubber layer, and two connecting plates are attracted to each other upon contact.

[0009] Preferably, the outer circumferential surface of the limiting pulley is movably connected to the pull rope, and the sealing plug is tightly closed with the water storage box by the elastic force of the spring.

[0010] Preferably, the connecting pipe has an arc-shaped structure, and the water outlet of the spray pipe faces the inside of the dredging grab bucket.

[0011] Preferably, the corrugated pipe is a U-shaped corrugated pipe, the limiting support column is an L-shaped structure, and the outer peripheral surface of the limiting support column is in contact with the corrugated pipe and the connecting plate respectively.

[0012] Preferably, the top of the water storage box is provided with an open end, and the bottom end of the spring is fixedly connected to the water storage box.

[0013] Preferably, when the hydraulic telescopic rod retracts, the top of the connecting rod does not abut against the limiting corner block, the dredging grab is pressed onto the hard mud layer by gravity, the two sets of connecting rods can move on the movable block, the connecting rod pulls the bellows through the water storage box, the bellows extends and pulls the connecting plate, the connecting plate pulls the sealing plug through the pull rope, the sealing plug is not sealed to the water storage box, when the pulling force is greater than the adsorption force of the two connecting plates, the sealing column head is not sealed to the water permeable hole.

[0014] Preferably, when the hydraulic telescopic rod extends, it pushes the dredging assembly through the movable block, and the dredging assembly grabs the silt from the soft mud layer. The top inclined surface of the connecting rod abuts against the limiting corner block, and the two dredging grabs move downward to align and splice.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention utilizes a combination of a water storage box, corrugated pipe, connecting plate, and connecting pipe to ensure thorough material discharge. When the sludge removal component drives the cleaning component into the water for sludge removal, water enters the water storage box. The hydraulic telescopic rod retracts, and the movable block opens the sludge removal component to discharge material. The connecting rod pulls the corrugated pipe through the water storage box, and the corrugated pipe extends to pull the connecting plate. The connecting plate pulls the sealing plug through a rope, and the sealing plug is not sealed to the water storage box. Water flows through the connecting pipe and is discharged from the spray pipe. The water impacts the inner wall of the sludge removal grab bucket, thus making the material discharge of the device more thorough. This invention minimizes the environmental impact of the device through the coordinated structure of support components, hydraulic telescopic rods, movable blocks, and dredging components. When the hydraulic telescopic rod retracts, the top of the connecting rod does not abut against the limiting corner block, allowing the two to open. With the help of lifting equipment, the device is placed in the river channel to be dredged. The dredging grab bucket, under the action of gravity, presses down on the hard mud layer. As the hydraulic telescopic rod extends, the movable block pushes the dredging components to move towards each other, pushing the soft mud above the hard mud layer, thus grabbing the soft mud. The two sets of connecting rods can reach soft mud of different thicknesses by moving on the movable block, effectively reducing damage to the hard mud layer of the river channel and minimizing the impact of the device on the environment. Attached Figure Description

[0016] Figure 1 This is a front view schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the orthographic section of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A; Figure 4 This is a side sectional view of the present invention; Figure 5 This is a disassembled schematic diagram of the support component, movable block, and connecting rod of the present invention; Figure 6 This is a schematic diagram showing the cooperation relationship between the movable block and the connecting rod of the present invention; Figure 7 This is a schematic diagram showing the positional relationship between the water-permeable holes and the sealing column head in this invention; Figure 8 This is a disassembly diagram of the connecting pipe, water spray pipe, pull rope, limiting pulley, and sealing plug of the present invention.

[0017] In the diagram: 1. Support assembly; 101. Support frame; 102. Limiting corner block; 103. Limiting rod; 2. Hydraulic telescopic rod; 3. Movable block; 4. Dredging assembly; 401. Connecting rod; 402. Dredging grab bucket; 5. Cleaning assembly; 501. Water storage box; 502. Corrugated pipe; 503. Connecting plate; 504. Water permeable hole; 505. Sealing column head; 506. Connecting pipe; 507. Water spray pipe; 508. Pull rope; 509. Limiting pulley; 510. Sealing plug; 511. Spring; 512. Limiting support column. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figures 1 to 8 As shown, the present invention provides a sludge removal device for river sewage treatment, including a support assembly 1, and further including: hydraulic telescopic rods 2, four hydraulic telescopic rods 2 are disposed on the support assembly 1; movable blocks 3, four movable blocks 3 are respectively fixed to the output ends of the four hydraulic telescopic rods 2; sludge removal components 4, two sludge removal components 4 are disposed on the front and rear movable blocks 3 for sludge excavation and removal; and cleaning components 5, two sets of cleaning components 5 are disposed on the sludge removal components 4 for cleaning the sludge removal components 4. The cleaning component 5 includes a water storage box 501, a corrugated pipe 502, a connecting plate 503, water permeable holes 504, a sealing column head 505, a connecting pipe 506, a spray pipe 507, a pull rope 508, a limiting pulley 509, a sealing plug 510, a spring 511, and a limiting support column 512. The water storage box 501 is fixed to one end of the corrugated pipe 502, and the other end of the corrugated pipe 502 is fixed to the connecting plate 503. Both connecting plates 503 have a set of water permeable holes 504 arranged in an array, and the two sets of water permeable holes 504 are staggered. Each of the 503 is fixedly connected to a sealing head 505 that is compatible with the water permeable hole 504. The bottom side of the water storage box 501 is linearly connected to a connecting pipe 506. The bottom end of the connecting pipe 506 is fixedly connected to a spray pipe 507. The side of the connecting plate 503 near the corrugated pipe 502 is fixedly connected to one end of the pull rope 508. The other end of the pull rope 508 is fixedly connected to a sealing plug 510. A limiting pulley 509 is rotatably connected inside the water storage box 501. A spring 511 is fixedly connected to the bottom end of the sealing plug 510. The bottom ends of both water storage boxes 501 are fixedly connected to a limiting support column 512. After the device is lifted by the hoisting equipment, the hydraulic telescopic rod 2 retracts, and the movable block 3 drives the dredging component 4 to open and discharge material. The connecting rod 401 pulls the corrugated pipe 502 through the water storage box 501. The corrugated pipe 502 extends and pulls the connecting plate 503. The connecting plate 503 pulls the sealing plug 510 through the pull rope 508. The sealing plug 510 is not sealed to the water storage box 501. Water is discharged through the connecting pipe 506 and the spray pipe 507. The water can impact the inner wall of the dredging grab bucket 402, so that the residual sludge is washed away, thereby making the discharge of material from the device more thorough and preventing the residual sludge from mixing with the water and causing secondary water pollution when the device is placed in the water again.

[0020] like Figure 1 and 2 , Figures 4 to 6 As shown, the support assembly 1 includes a support frame 101, a limiting corner block 102, and a limiting rod 103. The front and rear ends of the support frame 101 are provided with limiting corner blocks 102. The limiting rods 103 are symmetrically fixed on the support frame 101. The movable block 3 is sleeved on the outside of the limiting rod 103. Two hydraulic telescopic rods 2 are fixed to the two ends of the same limiting rod 103. The limiting corner block 102 is an isosceles trapezoidal structure. The dredging component 4 includes a connecting rod 401 and a dredging grab bucket 402. The bottom of the connecting rod 401 is fixedly connected to the dredging grab bucket 402. The middle of the movable block 3 is movably connected to the connecting rod 401. The top of the connecting rod 401 is provided with an inclined surface. The top of the connecting rod 401 may or may not abut against the bottom side of the limiting corner block 102. When the top of the connecting rod 401 abuts against the bottom side of the limiting corner block 102, the two dredging grab buckets 402 are aligned and tightly spliced, and the two connecting plates 503 are pressed and tightly contacted. It is worth noting that, because the upper layer of the riverbed is a soft mud layer, and below it is a hard mud layer, existing dredging grabs are not very sensitive to extremely soft bottom mud layers. During the excavation process, the grabs may easily scoop up the harder soil layer at the bottom of the riverbed, thereby leaking a large amount of surface mud and forming floating mud. This floating mud may return to the water body after being stirred and disturbed, affecting the dredging effect. When the hydraulic telescopic rod 2 retracts, the top of the connecting rod 401 does not contact the limiting corner block, allowing the two dredging grabs 402 to open. Using lifting equipment, the device is placed in the river channel to be dredged. Under gravity, the dredging grabs 402 press against the hard mud layer. As the hydraulic telescopic rod 2 extends, the movable block 3 pushes the dredging components 4 to move horizontally towards each other. The dredging grabs 402 can push the soft mud above the hard mud layer, thus grabbing the soft mud. When the dredging grabs 402 move horizontally, the hard mud layer can resist them, allowing the two sets of connecting rods 401 to move on the movable block 3. This allows the device to be used with soft mud of different thicknesses, effectively minimizing damage to the hard mud layer of the river channel and reducing the device's impact on the surrounding environment.

[0021] like Figures 2 to 4 , Figure 7 and Figure 8 As shown, the connecting plates 503 are composed of an internal magnet block and an outer rubber layer. The two connecting plates 503 are in contact and adsorb each other. The outer circumferential surface of the limiting pulley 509 is movably connected to the pull rope 508. The sealing plug 510 is tightly closed with the water storage box 501 by the elastic force of the spring 511. The connecting pipe 506 has an arc-shaped structure. The water outlet of the spray pipe 507 is directly facing the inside of the sludge grab bucket 402. The corrugated pipe 502 is a U-shaped corrugated pipe. The limiting support column 512 has an L-shaped structure. The outer circumferential surface of the limiting support column 512 is in contact with the corrugated pipe 502 and the connecting plate 503 respectively. The top of the water storage box 501 is provided with an open end. The bottom end of the spring 511 is fixedly connected to the water storage box 501. The two connecting plates 503 are tightly attracted by the magnetic block, and the rubber layer can seal them to prevent water leakage. When the hydraulic telescopic rod 2 controls the dredging component 4 to open, the dredging grab bucket 402 can be opened first to drain the sludge. When the tension of the corrugated pipe 502 on the connecting plate 503 is greater than the attraction force, the dredging grab bucket 402 is flushed with water. The limiting support column 512 can support and limit the corrugated pipe 502 and the connecting plate 503. When the water level is low, the sealing column head 505 is not in contact with the water permeable hole 504, so water can enter through the water permeable hole 504.

[0022] like Figures 2 to 4 , Figure 7 and Figure 8As shown, when the hydraulic telescopic rod 2 retracts, the top of the connecting rod 401 does not abut against the limiting corner block, and the dredging grab 402 is pressed onto the hard mud layer by gravity. The two sets of connecting rods 401 can move on the movable block 3. The connecting rod 401 pulls the bellows 502 through the water storage box 501. The bellows 502 extends and pulls the connecting plate 503. The connecting plate 503 pulls the sealing plug 510 through the pull rope 508. The sealing plug 510 is not sealed to the water storage box 501. When the pulling force is greater than the adsorption force of the two connecting plates 503, the sealing column head 505 is not sealed to the water permeable hole 504. When the hydraulic telescopic rod 2 extends, it pushes the dredging component 4 through the movable block 3. The dredging component 4 grabs the silt from the soft mud layer. The top inclined surface of the connecting rod 401 abuts against the limiting corner block 102. The two dredging grabs 402 move downwards to align and splice. The sealing column head 505 can be tightly inserted into the corresponding water permeable hole 504. The bellows 502 is compressed and shortened. It is worth noting that when the two connecting plates 503 are not adsorbed, the corrugated pipe 502 is in a stretched and elongated state. The water pressure inside the water storage box 501 can squeeze the connecting plate 503, so that the connecting plate 503 can continuously pull the rope 508, thereby allowing the spray pipe 507 to continuously rinse the dredging grab bucket 402.

[0023] Working principle and usage process of this invention: First, when the operator retracts the hydraulic telescopic rod 2, the top of the connecting rod 401 does not abut against the bottom of the limiting rod 103, allowing the two dredging grabs 402 to open. With the help of the lifting equipment, the device is placed in the river channel to be dredged. When the dredging component 4 drives the cleaning component 5 into the water for dredging, water can enter the water storage box 501. The dredging grabs 402 can be pressed onto the hard mud layer by gravity. When the hydraulic telescopic rod 2 extends, the dredging component 4 can be pushed to move towards each other by the movable block 3. The dredging grabs 402 can push the soft mud at the top of the hard mud layer, thereby grabbing the soft mud. After the device is lifted by the hoisting equipment, the hydraulic telescopic rod 2 retracts, and the movable block 3 drives the dredging component 4 to open and discharge material. The connecting rod 401 pulls the corrugated pipe 502 through the water storage box 501. The corrugated pipe 502 extends and pulls the connecting plate 503. The connecting plate 503 pulls the sealing plug 510 through the pull rope 508. The sealing plug 510 is not sealed to the water storage box 501. Water is discharged through the connecting pipe 506 and the spray pipe 507. The water can impact the inner wall of the dredging grab bucket 402, causing the residual sludge to be washed away, thus completing the operation.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A silt cleaning device for river sewage treatment, comprising a support assembly (1), characterized in that: Also includes: Hydraulic telescopic rods (2), four of the hydraulic telescopic rods (2) are mounted on the support assembly (1); Movable blocks (3), the four movable blocks (3) are respectively fixed to the output ends of the four hydraulic telescopic rods (2); Dredging components (4), two of the dredging components (4) are set on the front and rear movable blocks (3) for dredging and cleaning of silt; Cleaning components (5), two sets of the cleaning components (5) are set on the dredging components (4) for cleaning the dredging components (4); The cleaning assembly (5) includes a water storage box (501), a corrugated pipe (502), a connecting plate (503), water permeable holes (504), a sealing column head (505), a connecting pipe (506), a water spray pipe (507), a pull rope (508), a limiting pulley (509), a sealing plug (510), a spring (511), and a limiting support column (512). The water storage box (501) is fixed to one end of the corrugated pipe (502), and the other end of the corrugated pipe (502) is fixed to a connecting plate (503). Both connecting plates (503) have a set of water permeable holes (504) arranged in an array, and the positions of the two sets of water permeable holes (504) are staggered. (503) Each of the two water storage boxes (501) is fixedly connected to a sealing column head (505) that is compatible with the water permeable hole (504). The bottom side of the water storage box (501) is linearly connected to a connecting pipe (506). The bottom end of the connecting pipe (506) is fixedly connected to a spray pipe (507). The side of the connecting plate (503) near the corrugated pipe (502) is fixedly connected to one end of the pull rope (508). The other end of the pull rope (508) is fixedly connected to a sealing plug (510). The water storage box (501) is rotatably connected to a limiting pulley (509). The bottom end of the sealing plug (510) is fixedly connected to a spring (511). The bottom ends of the two water storage boxes (501) are both fixedly connected to a limiting support column (512). The outer circumferential surface of the limiting pulley (509) is movably connected to the pull rope (508). The sealing plug (510) is tightly closed to the water storage box (501) by the elastic force of the spring (511). The connecting pipe (506) has an arc-shaped structure. The water outlet of the spray pipe (507) is directly facing the inside of the sludge grab bucket (402). The corrugated pipe (502) is a U-shaped corrugated pipe. The limiting support column (512) has an L-shaped structure. The outer circumferential surface of the limiting support column (512) is in contact with the corrugated pipe (502) and the connecting plate (503) respectively. The top of the water storage box (501) is provided with an open end. The bottom end of the spring (511) is fixedly connected to the water storage box (501).

2. The sludge removal device for river sewage treatment according to claim 1, characterized in that: The support assembly (1) includes a support frame (101), a limiting corner block (102), and a limiting rod (103). The front and rear ends of the support frame (101) are provided with limiting corner blocks (102). The limiting rods (103) are symmetrically fixed on the support frame (101). The movable block (3) is sleeved on the outside of the limiting rod (103). The two hydraulic telescopic rods (2) are fixed at both ends of the same limiting rod (103). The limiting corner block (102) is an isosceles trapezoidal structure. The dredging component (4) includes a connecting rod (401) and a dredging grab (402). The bottom of the connecting rod (401) is fixedly connected to the dredging grab (402). The middle part of the movable block (3) is movably connected to the connecting rod (401). The top of the connecting rod (401) is provided with an inclined surface. The top of the connecting rod (401) may or may not abut against the bottom side of the limiting corner block (102).

3. The sludge removal device for river sewage treatment according to claim 2, characterized in that: When the top of the connecting rod (401) abuts against the bottom side of the limiting corner block (102), the two dredging grabs (402) are aligned and tightly spliced, the two connecting plates (503) are pressed and tightly contacted, the sealing column head (505) can be tightly inserted into the corresponding water-permeable hole (504), and the corrugated pipe (502) is compressed and shortened.

4. The sludge removal device for river sewage treatment according to claim 1, characterized in that: Each of the connecting plates (503) consists of an internal magnet block and an outer rubber layer, and the two connecting plates (503) are in contact and attract each other.

5. The sludge removal device for river sewage treatment according to claim 2, characterized in that: When the hydraulic telescopic rod (2) retracts, the top of the connecting rod (401) does not abut against the limiting corner block (102), and the dredging grab (402) is pressed onto the hard mud layer by gravity. The two sets of connecting rods (401) can move on the movable block (3). The connecting rod (401) pulls the corrugated pipe (502) through the water storage box (501). The corrugated pipe (502) extends and pulls the connecting plate (503). The connecting plate (503) pulls the sealing plug (510) through the pull rope (508). The sealing plug (510) is not sealed to the water storage box (501). When the pulling force is greater than the adsorption force of the two connecting plates (503), the sealing column head (505) is not sealed to the water permeable hole (504).

6. The sludge removal device for river sewage treatment according to claim 2, characterized in that: When the hydraulic telescopic rod (2) extends, the hydraulic telescopic rod (2) pushes the dredging component (4) through the movable block (3), the dredging component (4) grabs the silt in the soft mud layer, the top inclined surface of the connecting rod (401) abuts against the limiting corner block (102), and the two dredging grabs (402) move downward to align and splice.

Images