River sediment pumping drainage device for water conservancy project

Abstract

The utility model discloses a river sediment pump drainage device for hydraulic engineering, which comprises a ship body, a suspension frame is arranged at one end of the ship body, a winch is arranged on the suspension frame, one end of a steel wire rope of the winch is connected with a mud suction head, a mud pump is arranged on the ship body, the inlet end of the mud pump is connected with the mud suction head through a mud discharge pipe, and the outlet end of the mud pump is connected with the mud suction head. The utility model relates to the technical field of riverway bottom mud pumping drainage, the winch is used for putting the mud suction head into the bottom of a riverway, the riverway bottom mud is pumped out through the matching effect of the mud pump and the mud discharge pipe, pumped sludge enters the filtering and intercepting mechanism through the outlet end of the mud pump, and the filtering and intercepting mechanism is arranged at the outlet end of the mud pump. A grid filter screen plate in the filtering and intercepting mechanism is used for rapidly filtering and intercepting granular sand in the sludge, the slurry part is further guided into the spiral extrusion type solid-liquid separator through the slurry pump, and the spiral extrusion type solid-liquid separator is used for carrying out solid-liquid separation operation on the slurry.

Description

Technical Field

[0001] The utility model relates to the technical field of riverbed sediment pumping and drainage, in particular to a riverbed sediment pumping and drainage device for water conservancy projects. Background Art

[0002] During the maintenance of the river channel of a water conservancy project, regular dredging operations are required, which requires the use of dredging equipment. Currently, there are many types of dredging equipment on the market. Among them, the more common one is to use a special dredging ship to directly remove the silt on the riverbed at a certain blocked part of the river channel, thereby playing a dredging role. However, this method is usually suitable for large lakes or wider rivers. Moreover, due to the high water content of the dredged sludge, in addition to special dredging ships, it is also necessary to equip ships to transport the dredged silt. Therefore, it is not suitable for dredging small areas and narrow rivers. In view of this, in-depth research on the above issues has led to the creation of this case. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a riverbed sediment pumping and drainage device for water conservancy projects, which solves the problems raised in the background art.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a riverbed sediment pumping and drainage device for water conservancy projects, comprising a hull, a suspension provided at one end of the hull, a winch provided on the suspension, one end of a steel wire rope of the winch connected to a mud suction head, a mud pump provided on the hull, an inlet end of the mud pump connected to the mud suction head through a mud discharge pipe, a filtering and intercepting mechanism provided at the outlet end of the mud pump, a drainage end of the filtering and intercepting mechanism connected to a spiral extrusion solid-liquid separator through a mud pump;

[0005] The filtering interception mechanism includes a fixing frame, an elastic support component is provided on the fixing frame, a mud collecting trough is installed on the elastic support component, grid filter screen plates are arranged in layers in the mud collecting trough, slag discharge ports are opened on the sides of the mud collecting trough corresponding to the positions of the grid filter screen plates, a collecting hopper is provided below the slag discharge ports, a mud hopper is provided at the bottom of the mud collecting trough, the lower part of the mud hopper is connected to the liquid inlet end of the mud pump, and a vibration motor is installed on the lower side wall of the mud hopper.

[0006] The elastic support assembly includes a support, a compression spring and a connecting seat. The support is arranged on the fixing frame, the compression spring is installed on the support, and the connecting seat is welded to the side wall of the mud collecting tank and connected to the compression spring.

[0007] A feed hopper is provided on the top of the mud collecting tank, and anti-collision plates are staggeredly provided in the feed hopper along an inclined direction.

[0008] Spray cleaning mechanisms are symmetrically arranged on both sides of the fixing frame.

[0009] The above-mentioned jet cleaning mechanism includes a water tank, a booster pump and a jet cleaning component. The water tank is arranged on one side of the fixed frame, the jet cleaning component is arranged on the fixed frame and symmetrically along the mud collection tank, and the liquid inlet end of the booster pump is connected to the water tank, and the liquid outlet end is connected to the jet cleaning component.

[0010] The above-mentioned jet cleaning component includes a guide pipe, a liquid separation pipe and a nozzle. The guide pipe is arranged on a fixed frame and is connected to the water outlet end of the booster pump. The liquid separation pipe is arranged on the side wall of the guide pipe in an inclined direction and the outlet end is directly opposite to the grid filter plate. The nozzle is installed on the outlet end of the liquid separation pipe.

[0011] The utility model provides a riverbed mud pumping and drainage device for water conservancy projects. It has the following beneficial effects: the riverbed mud pumping and drainage device for water conservancy projects improves the existing hull, and a filtering interception mechanism is set at the outlet end of the mud pump on the hull. The mud suction head is placed at the bottom of the river channel by a winch, and the riverbed mud is pumped out by the cooperation of the mud pump and the mud discharge pipe. The pumped sludge enters the filtering interception mechanism through the outlet end of the mud pump, and the granular sand and gravel in the sludge are quickly filtered and intercepted by the grid filter plate in the filtering interception mechanism, while the mud part is further introduced into a spiral extrusion solid-liquid separator through the mud pump. The spiral extrusion solid-liquid separator is used to perform the mud solid-liquid separation operation, and the separated water body can be directly discharged back into the river channel. Only the mud with very little water content after squeezing needs to be temporarily stored. The integrated operation efficiency is high, and no transfer ship is required. It is suitable for dredging small areas and narrow rivers. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of a riverbed sediment pumping and drainage device for water conservancy projects described in the utility model.

[0013] Figure 2 This is a schematic diagram of the main cross-sectional structure of the mud collecting tank of the present invention.

[0014] Figure 3 For this utility model Figure 2 Schematic diagram of the side structure.

[0015] In the figure: 1. Hull; 2. Suspension; 3. Winch; 4. Wire rope; 5. Mud suction head; 6. Mud pump; 7. Mud discharge pipe; 8. Mud pump; 9. Screw extrusion solid-liquid separator; 10. Fixed frame; 11. Mud collection tank; 12. Grid filter plate; 13. Slag discharge port; 14. Collection hopper; 15. Vibration motor; 16. Mud hopper; 17. Support; 18. Compression spring; 19. Connecting seat; 20. Feed hopper; 21. Anti-collision plate; 22. Water tank; 23. Booster pump; 24. Diversion pipe; 25. Liquid distribution pipe; 26. Nozzle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0017] Example: In conjunction with the specification Figure 1-3It can be seen that the present application specifically designs a riverbed mud pumping and drainage device for water conservancy projects, including a hull 1, a suspension 2 is provided at one end of the hull 1, a winch 3 is provided on the suspension 2, one end of the wire rope 4 of the winch 3 is connected to the mud suction head 5, a mud pump 6 is provided on the hull 1, the inlet end of the mud pump 6 is connected to the mud suction head 5 through a mud discharge pipe 7, and the outlet end of the mud pump 6 is provided with a filtering interception mechanism, and the drainage end of the filtering interception mechanism is connected to a spiral extrusion solid-liquid separator 9 through a mud pump 8; the above-mentioned filtering interception mechanism includes a fixing frame 10, an elastic support component is provided on the fixing frame 10, a mud collecting tank 11 is installed on the elastic support component, and a grid filter is provided in the mud collecting tank 11. The mesh plate 12 and the sludge collecting tank 11 are provided with a slag discharge port 13 at the position of the grid filter mesh plate 12, and a collecting hopper 14 is provided below the sludge discharge port 13. A mud bucket 16 is provided at the bottom of the mud collecting tank 11. The lower part of the mud bucket 16 is connected to the liquid inlet end of the mud pump 8. A vibration motor 15 is installed on the lower wall of the mud bucket 16, wherein the elastic support assembly includes a support 17, a compression spring 18 and a connecting seat 19. The support 17 is provided on the fixing frame 10, and the compression spring 18 is installed on the support 17. The connecting seat 19 is welded to the side wall of the mud collecting tank 11 and is connected to the compression spring 18. The existing hull 1 is improved, and a filter is provided at the outlet end of the mud pump 6 on the hull 1 The interception mechanism uses a winch 3 to place the sludge suction head 5 to the bottom of the river channel, and the riverbed sludge is extracted through the cooperation of the sludge pump 6 and the sludge discharge pipe 7. The extracted sludge enters the filtering interception mechanism through the outlet end of the sludge pump 6, and the vibration motor 15 at the bottom of the sludge hopper is started, and then under the elastic support of the compression spring 18, the sludge collection tank 11 and the sludge hopper are vibrated synchronously, and then the grid filter plate 12 in the filtering interception mechanism is used to quickly filter and intercept the granular sand and gravel in the sludge, and the sludge part is further introduced into the screw extrusion solid-liquid separator 9 through the sludge pump 8, and the screw extrusion solid-liquid separator 9 is used to perform the sludge solid-liquid separation operation, and the separated water body can be directly When discharged back into the river channel, only the silt with very little water content after squeezing needs to be temporarily stored. The integrated operation has high efficiency and does not require the configuration of transfer ships. It is suitable for dredging of small areas and narrow rivers. It should be pointed out that the selection and structure of the above-mentioned spiral squeezing solid-liquid separator 9 can be referred to the horizontal spiral unloading sedimentation centrifuge of Zhejiang Zhengda Environmental Protection. After the mud liquid enters the inner cavity of the high-speed rotating drum through the feed port, the solid matter with a larger specific gravity in the mud quickly settles to the inner wall of the drum under the action of centrifugal force and is discharged from the outside of the drum through the solid phase outlet by the spiral pusher; at the same time, the liquid phase water with a smaller specific gravity forms an inner liquid ring under the action of centrifugal force and is discharged from the outside of the drum through the liquid phase overflow port. The drum and the spiral pusher rotate at high speed at the same time. Due to a certain speed difference between the two, the solid matter settled on the drum wall is continuously pushed to the liquid outlet by the spiral pusher for discharge, and the entire separation process is carried out continuously.

[0018] During the specific implementation process, as a preferred setting, a feed hopper 20 is provided on the top of the above-mentioned mud collection tank 11, and anti-collision plates 21 are staggered along the inclined direction in the feed hopper 20. The sludge contains a large amount of sand and gravel with larger particle size. If it is directly discharged into the mud collection tank 11, it will cause a greater impact on the grid filter plate 12. Therefore, an anti-collision plate 21 is provided in the feed hopper 20, which can effectively reduce the height difference when the sand and gravel enter, and improve the overall stability of the device.

[0019] In the specific implementation process, as a preferred setting, the above-mentioned mud fixing frame 10 is symmetrically provided with a jet cleaning mechanism on both sides, wherein the jet cleaning mechanism includes a water tank 22, a booster pump 23 and a jet cleaning component. The water tank 22 is provided on one side of the fixing frame 10, and the jet cleaning component is provided on the fixing frame 10 and is symmetrically arranged along the mud collecting tank 11. The liquid inlet end of the booster pump 23 is connected to the water tank 22, and the liquid outlet end is connected to the jet cleaning component; the above-mentioned jet cleaning component includes a guide pipe 24, a liquid distribution pipe 25 and a nozzle 26. The guide pipe 24 is provided on the fixing frame 10 and is connected to the booster pump The water outlet end of 23 is connected, the liquid separation pipe 25 is arranged on the side wall of the guide pipe 24 along the inclined direction and the outlet end is directly above the grid filter screen plate 12, and the nozzle 26 is installed on the outlet end of the liquid separation pipe 25. When in use, the booster pump 23 is turned on regularly, and the booster pump 23 is used to pump out the clean water in the water tank 22, and inject it into the guide pipe 24 after pressurization. Under the action of water pressure, the clean water is further discharged through the nozzle 26 at one end of the liquid separation pipe 25, thereby achieving the flushing effect on the grid filter screen plate 12, avoiding mud adhering to the filter screen plate to cause blockage, and improving the filtration interception efficiency.

[0020] Although the embodiments of the present invention have been shown and described, it will be understood 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 present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A riverbed sediment pumping and drainage device for water conservancy projects, comprising a hull, characterized in that: A suspension is provided at one end of the hull, a winch is provided on the suspension, one end of a steel wire rope of the winch is connected to a mud suction head, a mud pump is provided on the hull, an inlet end of the mud pump is connected to the mud suction head through a mud discharge pipe, a filtering interception mechanism is provided at the outlet end of the mud pump, and a drainage end of the filtering interception mechanism is connected to a spiral extrusion solid-liquid separator through a mud pump; The filtering interception mechanism includes a fixing frame, an elastic support component is provided on the fixing frame, a mud collecting trough is installed on the elastic support component, grid filter screen plates are arranged in layers in the mud collecting trough, slag discharge ports are opened on the sides of the mud collecting trough corresponding to the positions of the grid filter screen plates, a collecting hopper is provided below the slag discharge ports, a mud hopper is provided at the bottom of the mud collecting trough, the lower part of the mud hopper is connected to the liquid inlet end of the mud pump, and a vibration motor is installed on the lower side wall of the mud hopper.

2. A riverbed sediment pumping and drainage device for water conservancy projects according to claim 1, characterized in that: The elastic support assembly includes a support, a compression spring and a connecting seat. The support is arranged on a fixing frame, the compression spring is installed on the support, and the connecting seat is welded to the side wall of the mud collecting tank and connected to the compression spring.

3. The device for pumping out riverbed sediment for water conservancy projects according to claim 1, characterized in that: A feed hopper is provided on the top of the mud collecting tank, and anti-collision plates are staggeredly provided in the feed hopper along an inclined direction.

4. The device for pumping out riverbed sediment for water conservancy projects according to claim 1, characterized in that: Spray cleaning mechanisms are symmetrically arranged on both sides of the fixing frame.

5. The device for pumping out riverbed sediment for water conservancy projects according to claim 4, characterized in that: The jet cleaning mechanism includes a water tank, a booster pump and a jet cleaning component. The water tank is arranged on one side of the fixed frame. The jet cleaning component is arranged on the fixed frame and symmetrically along the mud collection tank. The liquid inlet end of the booster pump is connected to the water tank, and the liquid outlet end is connected to the jet cleaning component.

6. The device for pumping out riverbed sediment for water conservancy projects according to claim 5, characterized in that: The jet cleaning component includes a guide pipe, a liquid separation pipe and a nozzle. The guide pipe is arranged on a fixed frame and is connected to the water outlet end of the booster pump. The liquid separation pipe is arranged on the side wall of the guide pipe in an inclined direction and the outlet end is directly opposite to the grid filter plate. The nozzle is installed on the outlet end of the liquid separation pipe.

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