CN214940523U

CN214940523U - River silt dredging equipment

Info

Publication number: CN214940523U
Application number: CN202120094478.0U
Authority: CN
Inventors: 肖晓龙; 闻腾; 朱德全; 王学田; 吴建军; 许悦雷; 龚金树; 付硕硕
Original assignee: CCCC Tianjin Dredging Engineering Co Ltd
Current assignee: CCCC Tianjin Dredging Engineering Co Ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-30
Anticipated expiration: 2031-01-14

Abstract

The utility model relates to a river silt dredging equipment. The device comprises a ship, wherein a mud cabin is arranged on the ship, a filter screen is arranged in the middle of an inner cavity of the mud cabin, a mud pump is arranged at an inlet at the top of the mud cabin, and a water pump is arranged at an outlet at the bottom of the mud cabin; the middle part of the ship is provided with a stirring device, the stirring device comprises a middle guide sleeve, a lifting rod is arranged in the middle guide sleeve, the lower end of the lifting rod is provided with a hydraulic pump, an output shaft of the hydraulic pump is provided with a stirring impeller, a middle lifting component is also arranged on a deck of the ship, and the side part of the middle guide sleeve is provided with a high-pressure spray head; a mud suction device is arranged at the middle rear part of the ship and comprises a rear guide sleeve, a mud lifting pipeline is arranged in the rear guide sleeve, and a rear lifting assembly is also arranged on a deck of the ship; the tail part of the ship is provided with a mud blocking device. The utility model discloses construct reasonable in design, stir the disturbing effect good, avoid the silt diffusion, promote dredging efficiency and guarantee to dredge the effect to the stirring of silt.

Description

River silt dredging equipment

Technical Field

The utility model belongs to the technical field of dredging equipment, especially, relate to a river silt dredging equipment.

Background

In the construction of polluted water areas, since most of the pollutants are deposited in the bottom sediment of rivers, the bottom sediment containing a large amount of pollutants in the polluted water areas must be dredged when the polluted water areas are treated. In the process of hydraulic engineering construction, engineering dredging is also often required to be carried out at the bottom of a riverbed and the like in order to ensure the smoothness of a water channel and the depth of a water area, and equipment used in the dredging is excavating machinery for excavating by utilizing a bucket or sucking underwater sand and soil by a dredge pump. The method is used for dredging the river channel, removing obstacles, filling and reinforcing dams and the like. Mainly comprising various dredgers, rock drills, tugboats, hopper ships and other auxiliary ships and mud conveying equipment.

The typical sludge dredging equipment is a dredger, a dredger and other devices are arranged on a dredger ship, the dredging treatment of sludge is realized by repeatedly placing a submarine sludge surface and grabbing and lifting the dredger through operating the dredger, the sludge obtained after grabbing and lifting is transferred to a dredger parked near dredger facilities, and then the dredger is transferred to land for treatment. The dredger facility with another structure is provided with a pipeline for continuously sucking mud from the water bottom and a stirring device for stirring the mud surface of the water bottom, wherein the stirring device is used for stirring and loosening the mud on the water bottom in the process of slowly sailing along a dredging line of the dredger, and then the mud is sucked by adopting a mud sucking pipeline.

In the actual construction process, the sludge dredging equipment has a plurality of problems: firstly, the stirring effect of a stirring device of a dredger on the mud surface at the bottom of a water is limited, and the agglomerated sludge cannot be effectively treated and collected, so that the dredging effect is influenced; secondly, the sludge is easy to diffuse in the process of extraction and collection, so that the dredging efficiency and effect of the sludge are not ideal; moreover, the existing dredger applies the overflow principle to overflow and discharge the water in the slurry after the sludge is extracted and collected, so that the water is slowly discharged, the mud tank is easy to overflow, and therefore the sludge needs to be frequently transferred and conveyed to the land or the dredger, and the sludge dredging efficiency is influenced. Therefore, the structure of the river sludge dredging equipment needs to be optimally designed to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide a structural design reasonable, stir the disturbing effect good, avoid the silt diffusion, promote the river course silt dredging equipment of dredging efficiency and guaranteeing the dredging effect to the stirring of silt.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a river silt dredging device comprises a ship, wherein a silt cabin is arranged on the ship, a filter screen is arranged in the middle of an inner cavity of the silt cabin, a silt pump is arranged at an inlet at the top of the silt cabin, and a water pump is arranged at an outlet at the bottom of the silt cabin; the middle part of the ship is provided with a stirring device, the stirring device comprises a middle guide sleeve arranged at the bottom of the ship, a lifting rod is arranged in the middle guide sleeve, the lower end of the lifting rod is provided with a hydraulic pump, an output shaft of the hydraulic pump is provided with a stirring impeller, a middle lifting component for driving the lifting rod to move up and down is also arranged on a deck of the ship, the side part of the middle guide sleeve is provided with a high-pressure spray head, and the inlet of the high-pressure spray head is connected to the outlet of the water pump through a high-pressure water pipe; the middle rear part of the ship is provided with a mud suction device, the mud suction device comprises a rear guide sleeve arranged at the bottom of the ship, a mud lifting pipeline is arranged in the rear guide sleeve, a rear lifting assembly for driving the mud lifting pipeline to move up and down is also arranged on a deck of the ship, and the upper end of the mud lifting pipeline is connected with an inlet of a mud pump through a mud suction pipeline; the tail part of the ship is provided with a mud blocking device.

The utility model has the advantages that:

the utility model provides an equipment is dredged to structural design's river course silt compares with current silt dredging equipment, the utility model discloses in set up agitating unit, well rear portion through the middle part at boats and ships and set up the mud suction device, realized at the in-process of boats and ships navigation, agitating unit stirs the continuous construction process of collecting with the silt extraction to the brute force of submarine silt. The mud blocking device is arranged at the rear part of the ship, so that the mud after stirring and dispersing is blocked, the mud is effectively prevented from diffusing to the rear part of the ship, and the mud dredging efficiency and effect are ensured. Through set up the filter screen in the mud cabin, realized the screening processing to silt piece and moisture, moisture adopts water pump and high pressure nozzle to spray the position of stirring after gathering, has consequently increased the stirring effect to the silt mud face, has realized the effective dispersion to the caking mud, has guaranteed the effect of silt dredging. Meanwhile, the water obtained by screening is led out of the mud cabin by adopting the water pump and the high-pressure water pipe, so that the mud cabin is effectively prevented from overflowing quickly, the frequent landing of a ship or the transfer of slurry to a mud barge is avoided, the duration time of continuous dredging operation is ensured, and the efficiency of sludge dredging is ensured. Through setting up middle part lifting unit and rear portion lifting unit and carrying out the lift drive to agitating unit and mud suction device, realized stirring height and the controllable regulation of mud suction height, guaranteed the effect of dredging to silt.

Preferably: the mud guard device comprises a mud guard and a middle winch for driving the mud guard to move up and down; the rear part of the ship is provided with a door-shaped frame through a support rod, a hanging A-shaped frame is arranged at the rear part of the door-shaped frame, pulleys are arranged on the hanging A-shaped frame and the mud guard to form a pulley block, and a steel cable wound and unwound by a middle winch is arranged on the pulley block in a winding mode.

Preferably: the middle lifting component is a middle hydraulic cylinder, a cylinder body of the middle lifting component is fixedly arranged on a deck of the ship, and a piston rod is fixedly connected with a lifting rod; the rear lifting component is a rear hydraulic cylinder, a cylinder body of the rear lifting component is fixedly arranged on a deck of the ship, and a piston rod is fixedly connected with the mud lifting pipeline.

Preferably: the lower end of the lifting mud pipeline is also provided with a mud sucking cover.

Preferably: the front part of the mud cabin is provided with a mud discharge pipe.

Preferably: two left and right outer support frames are arranged on two sides of the rear portion of the ship and are connected with the door-shaped frame through steel cables, pulleys are arranged at the outer ends of the outer support frames, a left side winch and a right side winch are arranged on a deck of the ship, and the steel cables wound and unwound by the side winches the pulleys on the left side and are hoisted with anchors.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the present invention.

In the figure:

1. an anchor; 2. a fender; 3. an outer support bracket; 4. hanging an A-shaped frame; 5. a gate frame; 6. a support bar; 7. a rear lifting assembly; 8. a mud suction line; 9. a middle hoist; 10. a middle lifting assembly; 11. a lifting rod; 12. a dredge pump; 13. a control room; 14. a mud chamber; 15. a rear guide sleeve; 16. lifting the mud pipeline; 17. a mud suction cover; 18. a lateral winch; 19. a middle guide sleeve; 20. a hydraulic pump; 21. agitating the impeller; 22. a high pressure spray head; 23. a high pressure water pipe; 24. a water pump; 25. a vessel; 26. and (4) a filter screen.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1 and 2, the river sludge dredging apparatus of the present invention includes a ship 25, a sludge tank 14 is disposed on the ship 25, a filter screen 26 is disposed in the middle of the inner cavity of the sludge tank 14, a sludge pump 12 is disposed at the top inlet of the sludge tank 14, and a water pump 24 is disposed at the bottom outlet.

As shown in the figure, the mud tank 14 is mounted at the front of the vessel 25, and the control room 13 of the vessel 25 is located at the top of the mud tank 14. A filter screen 26 in the mud chamber 14 is used for screening mud, large mud is trapped in the upper space of the mud chamber 14, water flows through the filter screen 26 into the lower space of the mud chamber 14, the mud pump 12 is used for conveying mud into the mud chamber 14, and the water pump 24 is used for pumping out water in the mud chamber.

In this embodiment, a mud pipe is provided at the front of the mud chamber 14, and the mud pipe is located on the chamber wall above the filter screen 26, and further, the filter screen 26 may be provided with a slope to allow the mud cake to flow toward the mud pipe at the front. After a certain period of sludge dredging construction, the ship 25 is pulled to the shore, and is washed and unloaded by matching a slurry discharge pipe with a large amount of cleaning water source sent by the dredge pump 12, or in the dredging construction process, the ship 25 is parked at the side position, and slurry in the tank is transferred to the tank position of the barge through the slurry discharge pipe and a transfer pipeline and is unloaded by the barge pulled to the shore.

The stirring device is arranged in the middle of the ship 25 and used for stirring the underwater mud surface strongly, so that the caking mud is stirred and scattered, and the pumping and the collection are convenient.

The stirring device comprises a middle guide sleeve 19 arranged at the bottom of a ship 25, a lifting rod 11 is arranged in the middle guide sleeve 19, a hydraulic pump 20 is arranged at the lower end of the lifting rod 11, a stirring impeller 21 is arranged on an output shaft of the hydraulic pump 20, a middle lifting component 10 for driving the lifting rod 11 to move up and down is further arranged on a deck of the ship 25, the lifting rod 11 drives the hydraulic pump 20 and the stirring impeller 21 to move up and down under the driving action of the middle lifting component 10, the stirring impeller 21 has a proper distance with the underwater mud surface, and the stirring effect is ensured.

In this embodiment, the middle lifting assembly 10 is a middle hydraulic cylinder, a cylinder body of the middle lifting assembly is fixedly mounted on a deck of the ship 25, a piston rod of the middle lifting assembly is fixedly connected with the lifting rod 11, and the middle hydraulic cylinder is controlled to act through a shipborne hydraulic station.

And a high-pressure spray nozzle 22 is installed at the side part of the middle guide sleeve 19, specifically, the high-pressure spray nozzle 22 is fixedly connected with the middle guide sleeve 19 through a bracket, and the inlet of the high-pressure spray nozzle 22 is connected to the outlet of a water pump 24 through a high-pressure water pipe 23. Thus, the water pump 24 delivers the water in the mud tank 14 to the high pressure nozzle 22 through the high pressure water pipe 23 in a high pressure form, as shown in the drawing, with the spraying direction of the high pressure nozzle 22 directed downward, providing a supplementary agitating function to the agitating impeller 21. The high-pressure water source is sprayed towards the lower sludge surface in a jet flow mode, the caking sludge can be better crushed, and the stirring impeller 21 further breaks up the sludge blocks.

A mud suction device is installed at the middle rear part of the ship 25 and is used for pumping mud at the bottom of the water. The mud suction device comprises a rear guide sleeve 15 arranged at the bottom of a ship 25, a lifting mud pipeline 16 is arranged in the rear guide sleeve 15, a rear lifting component 7 for driving the lifting mud pipeline 16 to move up and down is further arranged on a deck of the ship 25, the lifting mud pipeline 16 moves up and down under the driving action of the rear lifting component 7, therefore, the height of a mud suction port at the bottom can be adjusted, the distance between the mud suction port and a mud bottom surface is more reasonable by adjusting the height of the lifting mud pipeline 16, and the mud suction effect is favorably ensured.

The upper end of the lifting mud pipeline 16 is connected with an inlet of the mud pump 12 through a mud suction pipeline 8, the mud suction pipeline 8 can be selected from flexible pipelines with reinforcing ribs on the inner wall, and therefore when the lifting mud pipeline 16 moves up and down, the mud suction pipeline 8 adapts to the action of the lifting mud pipeline 16 through the self deformation capacity, and meanwhile the integrity and the reliability of a mud channel are guaranteed.

In this embodiment, the rear lifting assembly 7 is a rear hydraulic cylinder, a cylinder body of the rear lifting assembly is fixedly mounted on a deck of the ship 25, a piston rod of the rear lifting assembly is fixedly connected with the lifting mud pipe 16, and the rear hydraulic cylinder is controlled to act through a ship-mounted hydraulic station.

In this embodiment, in order to further improve the pumping effect on the sludge, a sludge suction cover 17 is further installed at the lower end of the sludge lifting pipe 16, the front part of the sludge suction cover 17 is open, the dispersed sludge slurry enters through the front opening, and the dispersed sludge slurry goes upward to enter the sludge cabin 14 along the sludge lifting pipe 16 and the sludge suction pipeline 8.

The tail part of the ship 25 is provided with a mud blocking device which is used for blocking the dispersed mud from diffusing to the rear part of the ship 25, so that the mud enters the mud suction cover 17 as far as possible to be extracted.

As shown in the drawing, the mud guard includes a mud guard 2 and a middle winch 9 for driving the mud guard 2 to move up and down, and the middle winch 9 is installed on a deck of the ship 25. A portal frame 5 is arranged at the rear part of a ship 25 through a support rod 6, a hanging A-shaped frame 4 is arranged at the rear part of the portal frame 5, the hanging A-shaped frame 4 inclines towards the rear part of the ship 25 and is pulled through a steel cable between the portal frame 5, pulleys are arranged on the hanging A-shaped frame 4 and a fender 2 to form a pulley block, and the steel cable which is wound and unwound by a middle winch 9 is wound on the pulley block. Like this, receive and release the wire rope through controlling middle part hoist engine 9, can control the height of fender 2, when boats and ships 25 are sailed, fender 2 promotes to the high level, and when boats and ships 25 were in the dredging operating condition, fender 2 transferred to the low level (the bottom edge falls on submarine mud face).

In view of the fact that the vessel 25 may be required to perform dredging in a given body of water under certain circumstances, in this embodiment, the vessel 25 may be provided with anchoring means to facilitate anchoring under such circumstances. Specifically, the anchor device comprises a left outer support bracket 3 and a right outer support bracket 3 which are arranged on two sides of the rear portion of the ship 25, the outer support brackets 3 are connected with a door-shaped frame 5 through steel cables, pulleys are arranged at the outer ends of the outer support brackets 3, a left side winch 18 and a right side winch 18 are arranged on a deck of the ship 25, and the steel cables wound and unwound by the side winches 18 bypass the pulleys on the side and are hoisted with anchors 1. The two anchors 1 are anchored and broken by operating the two side winches 18.

The working process is as follows:

the river sludge dredging equipment is sailed to a construction water area, a mud guard 2 is firstly put under water, and the bottom edge of the mud guard 2 falls into a water bottom mud surface; then, the middle hydraulic cylinder and the rear hydraulic cylinder are adjusted through the shipborne hydraulic station, and the stirring impeller 21 and the sludge suction cover 17 of the stirring device move to a height position with a proper distance from the bottom sludge surface;

the hydraulic pump 20 is driven by the shipborne hydraulic station to drive the stirring impeller 21 to rotate, so that stirring and dispersing effects on the sludge are generated; then the mud pump 12 is started, the mud slurry enters the mud suction cover 17, upwards passes through the mud lifting pipeline 16 and the mud suction pipeline 8, enters the space above the mud cabin 14, and enters the space below after being screened by the filter screen 26; after a certain time, starting a water pump 24, conveying water in the mud chamber 14 to a high-pressure nozzle 22 by the water pump 24 through a high-pressure water pipe 23, and spraying the water to the mud surface of the mud in a high-speed jet manner to break mud blocks; keeping the above working condition, the vessel 25 sails along the dredging path at low speed; after the sludge slurry in the sludge tank 14 is fully collected, the ship 25 sails ashore and is unloaded.

Claims

1. A river silt dredging device is characterized in that: the mud-pumping unit comprises a ship (25), wherein a mud cabin (14) is arranged on the ship (25), a filter screen (26) is arranged in the middle of an inner cavity of the mud cabin (14), a mud pump (12) is installed at an inlet at the top of the mud cabin (14), and a water pump (24) is installed at an outlet at the bottom of the mud cabin; the middle part of a ship (25) is provided with a stirring device, the stirring device comprises a middle guide sleeve (19) arranged at the bottom of the ship (25), a lifting rod (11) is arranged in the middle guide sleeve (19), the lower end of the lifting rod (11) is provided with a hydraulic pump (20), an output shaft of the hydraulic pump (20) is provided with a stirring impeller (21), a middle lifting component (10) for driving the lifting rod (11) to move up and down is further arranged on a deck of the ship (25), a high-pressure spray nozzle (22) is arranged on the side part of the middle guide sleeve (19), and the inlet of the high-pressure spray nozzle (22) is connected to the outlet of a water pump (24) through a high-pressure water pipe (23); a mud suction device is arranged at the middle rear part of the ship (25), the mud suction device comprises a rear guide sleeve (15) arranged at the bottom of the ship (25), a mud lifting pipeline (16) is arranged in the rear guide sleeve (15), a rear lifting assembly (7) for driving the mud lifting pipeline (16) to move up and down is also arranged on a deck of the ship (25), and the upper end of the mud lifting pipeline (16) is connected with an inlet of a mud pump (12) through a mud suction pipeline (8); the tail part of the ship (25) is provided with a mud blocking device.

2. The river sludge dredging apparatus as set forth in claim 1, wherein: the mud guard device comprises a mud guard (2) and a middle winch (9) for driving the mud guard (2) to move up and down; a door-shaped frame (5) is installed at the rear part of a ship (25) through a support rod (6), a hanging A-shaped frame (4) is installed behind the door-shaped frame (5), pulleys are installed on the hanging A-shaped frame (4) and a fender (2) to form a pulley block, and a steel cable wound and unwound by a middle winch (9) is wound on the pulley block.

3. The river sludge dredging apparatus as set forth in claim 2, wherein: the middle lifting component (10) is a middle hydraulic cylinder, the cylinder body of the middle lifting component is fixedly arranged on a deck of the ship (25), and the piston rod is fixedly connected with the lifting rod (11); the rear lifting component (7) is a rear hydraulic cylinder, the cylinder body of the rear hydraulic cylinder is fixedly arranged on the deck of the ship (25), and the piston rod is fixedly connected with the lifting mud pipeline (16).

4. The river sludge dredging apparatus as set forth in claim 3, wherein: the lower end of the lifting mud pipeline (16) is also provided with a mud sucking cover (17).

5. The river sludge dredging apparatus as set forth in claim 4, wherein: a mud discharge pipe is arranged at the front part of the mud cabin (14).

6. The river sludge dredging apparatus as set forth in claim 5, wherein: two left and right outer support brackets (3) are arranged on two sides of the rear part of the ship (25), the outer support brackets (3) are connected with a door-shaped frame (5) through steel cables, pulleys are arranged at the outer ends of the outer support brackets (3), a left side winch (18) and a right side winch (18) are arranged on a deck of the ship (25), and the steel cables wound and unwound by the side winches (18) bypass the pulleys on the side and are hoisted with anchors (1).