CN111139886A - Movable jet dredging ship used below high-pile wharf - Google Patents
Movable jet dredging ship used below high-pile wharf Download PDFInfo
- Publication number
- CN111139886A CN111139886A CN202010038968.9A CN202010038968A CN111139886A CN 111139886 A CN111139886 A CN 111139886A CN 202010038968 A CN202010038968 A CN 202010038968A CN 111139886 A CN111139886 A CN 111139886A
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- Prior art keywords
- mud
- jet
- pump
- pressure
- sludge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000010802 sludge Substances 0.000 claims abstract description 31
- 239000000523 sample Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 2
- 108010066114 cabin-2 Proteins 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
- E02F3/9262—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with jets
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
Abstract
The invention discloses a movable jet dredging ship used below a high-pile wharf. The dredging ship comprises a ship body, a sludge storage cabin, a sludge pump, a high-pressure water pump, a movable mechanical arm and a sludge suction cover, wherein the sludge storage cabin, the sludge pump and the high-pressure water pump are arranged on the ship body; one end of the sludge storage cabin is connected with the sludge pump, and the other end of the sludge storage cabin is provided with a water outlet pipeline; one end of the movable mechanical arm is fixed on the ship body, and a mud conveying pipe and a jet pipe are arranged in the movable mechanical arm; a mud suction port and a high-pressure jet port are arranged in the mud suction cover; the mud suction port and the high-pressure jet port are respectively connected with the mud conveying pipe and the jet pipe; the mud conveying pipe and the jet pipe are respectively communicated with a mud pump and a high-pressure water pump. According to the invention, the dredging ship is accurately arranged in the dredging range below the high-pile wharf by using the maneuverability and flexibility of the movable mechanical arm, closed dredging operation is carried out through the mud suction cover, high-pressure jet flow is adopted to fully stir and impact the sludge on the bottom bed to form a high-sand-content water body, and finally the high-sand-content water body is sucked into the mud storage cabin, so that the aim of dredging is achieved, and the problem that accurate dredging is difficult to carry out due to the narrow area below the high-pile wharf is solved.
Description
Technical Field
The invention relates to equipment for dredging underwater silt, in particular to a movable jet dredging ship used below a high-pile wharf.
Background
At present, the high pile wharf type is widely used. However, the pile columns below the high-pile wharf are dense, so that a remarkable water blocking effect is caused, the flow resistance of the wharf is increased, the flow velocity of overflowing is reduced, and under the action of a long time, the phenomenon of silt siltation below the high-pile wharf is formed, and large covering pressure is loaded on the pile columns, so that the wharf structure has large potential safety hazards and risks. Meanwhile, the dense pile group arrangement below the high-pile wharf also causes the narrow space range of the high-pile wharf, and the clear width between the piles is not enough to provide enough working space for the traditional large dredging ship and the dredging equipment. At present, dredging measures and equipment capable of efficiently and safely operating below a high-pile wharf are very lacking.
Disclosure of Invention
The invention aims to solve the problem that efficient dredging is difficult to carry out due to the fact that a pile column is dense and a space is narrow and small below a high-pile wharf, and provides a movable jet dredging ship used below the high-pile wharf.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a movable jet dredging ship used below a high-pile wharf comprises a ship body, a sludge storage cabin, a sludge pump, a high-pressure water pump, a movable mechanical arm and a sludge suction cover, wherein the sludge storage cabin, the sludge pump and the high-pressure water pump are arranged on the ship body;
one end of the sludge storage cabin is connected with the sludge pump, and the other end of the sludge storage cabin is provided with a water outlet pipeline; one end of the movable mechanical arm is fixed on the ship body, and a mud conveying pipe and a jet pipe are arranged in the movable mechanical arm; a mud suction port and a high-pressure jet port are arranged in the mud suction cover; the mud suction port and the high-pressure jet port are respectively connected with a mud conveying pipe and a jet pipe in the mobile mechanical arm; the mud conveying pipe and the jet pipe are respectively communicated with a mud pump and a high-pressure water pump.
In the above technical solution, further, an operation controller for controlling the movement of the mobile manipulator is installed on the hull.
Furthermore, a centrifugal pump and a filter for separating mud and water are arranged in the mud storage cabin. After the mud water sucked up by the mud pump enters the mud storage cabin through the pipeline, the mud water is primarily screened by the filter to separate silt and low-silt-content mud water, the silt is reserved in the mud storage cabin, the low-silt-content mud water is finely screened by the centrifugal pump, the centrifuged silt is reserved in the mud storage cabin, and the rest water is discharged out of the mud storage cabin through the water outlet pipeline.
Furthermore, the high-pressure water pump comprises a water taking pipe, and the water taking pipe extends below the water level and can take water on site to supplement the water source of the high-pressure jet flow. Wherein, the high-pressure water pump can output water with pressure not lower than 4 MPa.
Furthermore, the mobile mechanical arm is formed by connecting a plurality of supporting arms through rotating shafts, and a high-definition probe, an underwater searchlight and a positioning device are arranged at each rotating shaft, so that underwater real-time monitoring can be performed, and safety operation of the mobile mechanical arm is guaranteed.
Furthermore, the mud suction cover is in a hemispherical shell shape, corrosion-resistant steel is adopted, a high-strength corrosion-resistant sealing rubber strip is arranged on the shell-shaped edge, the elongation of the rubber strip is 200% -600%, and the tear strength is 2-7 MPa.
Furthermore, the mud suction cover is a detachable part, and the size of the mud suction cover can be selected according to the diameter of the wharf pile foundations and the clear width between the pile foundations in the actual dredging project.
Furthermore, a filter screen is arranged at the end part of the sludge suction port.
Furthermore, the high-pressure jet opening is cylindrical, a plurality of high-pressure nozzles are uniformly arranged at the end part, and the high-pressure nozzles are used for jetting water with the speed of not less than 70 m/s.
The design principle of the invention is as follows:
the invention pressurizes the water body by the high-pressure water pump arranged on the ship body and sprays high-speed jet flow from the high-pressure jet flow port, thereby rapidly increasing the turbulence degree of the water body, destroying the form of deposited silt by using the impact force of the jet flow, rapidly starting the silt, promoting the silt to be mixed with the water body to form the high-sand-content water body, and finally being pumped out of a desilting operation area by the mud suction port.
The invention has the following beneficial effects:
(1) high efficiency. The device of the invention utilizes the impact force of high-pressure jet flow, can effectively start silt falling on a bed, quickly enhance the turbulent motion of water, promote the silt to be mixed with the water to form high-silt-content water, and accelerate the dredging operation range of the silt pumped out of the lower part of a high-pile wharf.
(2) And (4) ecological property. The device provided by the invention is pressurized by the high-pressure water pump to spray high-pressure jet which is a gas-liquid mixture, comprises the components of seawater and air, is clean and environment-friendly, is non-toxic and harmless, and cannot damage the marine environment. When the device works, the high-sand-content water body formed by jet flow stirring can be quickly pumped out of the dredging operation area by the mud suction port, and the operation area is covered by the mud suction cover, so that the device is closed to operate, and sewage cannot flow out of the operation area to influence the normal operation of a wharf.
(3) And (4) safety. When the device works, the dredging ship is stably berthed at the front edge of the wharf, the mud suction cover is accurately delivered to the dredging area below the wharf through the movable mechanical arm, high-pressure jet flow only acts in the range of the mud suction cover, and the sealing rubber strip with the buffering function is wrapped on the outer edge of the mud suction cover, so that the wharf and other structures cannot be damaged, and the situation that the wharf structures are collided when the traditional large dredging ship works by using a twisting suction head or a raking suction head is not needed to be worried.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention below a high piled wharf.
FIG. 2 is a schematic cross-sectional view of a mobile robot arm according to the present invention.
In the figure: 1. a hull; 2. a sludge storage cabin; 3. a mud pump; 4. a high pressure water pump; 5. moving the mechanical arm; 6. A mud suction cover; 7. a sludge suction port; 8. a high-pressure jet orifice; 9. a high-pile wharf; 10. a bottom bed; 51. a jet pipe; 52. a mud conveying pipe; 53. a rotating shaft.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, the concrete implementation of the invention comprises a hull 1, a mud storage cabin 2, a mud pump 3 and a high-pressure water pump 4 are arranged on the hull 1, the hull is connected with a mud suction cover 6 for bottom bed dredging through a mobile mechanical arm 5, a mud suction port 7 and a high-pressure jet port 8 are arranged in the mud suction cover 6, and are respectively communicated with the mud pump 3 and the high-pressure water pump 4 on the hull 1 through a mud conveying pipe 52 and a jet pipe 51 in the mobile mechanical arm 5.
And an operation controller for controlling the movement of the movable mechanical arm 5 is arranged on the ship body 1. The sludge storage cabin 2 is internally provided with a centrifugal pump and a filter for separating sludge from water. The high pressure water pump 4 comprises a water intake pipe which extends below the water level and can take water on site to supplement the water source of the high pressure jet. Wherein, the high pressure water pump 4 should be capable of outputting water with pressure not lower than 4 MPa. The mobile mechanical arm 5 is formed by connecting a plurality of supporting arms through rotating shafts 53, and each rotating shaft 53 is provided with a high-definition probe, an underwater searchlight and a positioning device, so that underwater real-time monitoring can be performed, and safety operation of the mobile mechanical arm is guaranteed. The mud absorbing cover 6 is in a hemispherical shell shape, corrosion-resistant steel is adopted, a high-strength corrosion-resistant sealing rubber strip is arranged on the shell-shaped edge, the elongation of the rubber strip is 200% -600%, and the tear strength is 2-7 MPa. Inhale mud cover 6 for can dismantle the part, can be according to in the actual dredging project, the diameter of pier pile foundation and the clear width between the pile foundation and decide the suitable mud cover size of inhaling. The end part of the sludge suction port 7 is provided with a filter screen. The high-pressure jet opening 8 is cylindrical, a plurality of high-pressure nozzles are uniformly arranged at the end part, and the high-pressure nozzles are used for jetting water with the speed of not less than 70 m/s.
The invention relates to a movable jet dredging ship used below a high-pile wharf, which comprises the following specific working processes:
the ship body 1 is stably berthed at the front edge of a high-pile wharf 9, and the movable mechanical arm 5 is controlled to accurately deliver the mud suction cover 6 to a desilting area below the wharf. And then the bottom of the mud suction cover 6 is attached to the mud surface of the bottom bed 10 to form a closed working space. The mud pump 3 is started, the water body in the operation space is pumped out to form vacuum, then the high-pressure water pump 4 is started to spray high-pressure jet flow to impact the bottom bed, the sludge of the bottom bed is stirred up, and finally the high-sand-content water body in the operation space is sucked out by means of the suction force of the mud pump 3, so that the dredging purpose is achieved.
The operation controller is loaded on the ship body 1 and used for controlling the movement of the movable mechanical arm 5, and a high-definition probe, an underwater searchlight and a positioning device are mounted at each position of a rotating shaft 53 of the movable mechanical arm 5, so that underwater real-time monitoring can be performed, and the underwater real-time monitoring is used for accurately delivering the mud suction cover 6 to a specified position.
As shown in fig. 2, the mud conveying pipe 52 and the jet pipe 51 are both wrapped in the mobile mechanical arm 5 to form an integrated component, so as to avoid winding in a complex working space below the high-pile wharf.
The mobile mechanical arm 5 can be customized as required, wherein the rotation angle of the rotating shaft 53 is not more than 135 degrees so as to avoid the blockage of the channel in the mud conveying pipe 52 and the jet pipe 51 and the influence on the normal dredging operation of the ship body 1.
The size of the mud suction cover 6 can be determined according to the diameter of the wharf pile foundations and the clear width between the pile foundations in the actual dredging project. During the desilting operation, move through moving arm 5 and inhale mud cover 6 and carry out the desilting along a stake a week, later to the stake between not by inhaling the scope that mud cover 6 covered desilting. And carrying out dredging operation in different regions, inspecting whether the back-dredging condition exists after the operation flow is completed in the same region, and if so, supplementing the dredging operation at the back-dredging position.
The sludge storage cabin 2 is internally provided with a centrifugal pump and a filter for separating sludge from water. The working process is as follows: firstly, the filter carries out preliminary solid-liquid separation on a mud-water mixture sucked out from a bottom bed by a mud pump 3, silt and low-sand-content mud water are separated, the silt is left in a mud storage cabin 2, the low-sand-content mud water is sieved by a centrifugal pump, the centrifuged silt is left in the mud storage cabin 2, and other water bodies are discharged out of the mud storage cabin 2 through a water outlet pipeline, so that the effective carrying capacity of the mud storage cabin is improved. The mud water sucked up enters the mud storage cabin 2 through a pipeline and then passes through a filter for primary screening.
The above embodiments are provided for illustration and not for limiting the scope of the invention, and various modifications and adaptations made by the above embodiments are within the scope of the invention.
Claims (9)
1. The utility model provides a portable efflux desilting ship for high stake pier below which characterized in that: comprises a ship body (1), a mud storage cabin (2), a mud pump (3), a high-pressure water pump (4), a movable mechanical arm (5) and a mud suction cover (6), wherein the mud storage cabin, the mud pump and the high-pressure water pump are arranged on the ship body (1);
one end of the sludge storage cabin (2) is connected with the sludge pump (3), and the other end is provided with a water outlet pipeline; one end of the movable mechanical arm (5) is fixed on the ship body (1), and a mud conveying pipe (52) and a jet pipe (51) are arranged in the movable mechanical arm (5); a mud suction port (7) and a high-pressure jet port (8) are arranged in the mud suction cover (6); the mud suction port (7) and the high-pressure jet port (8) are respectively connected with a mud conveying pipe (52) and a jet pipe (51) in the mobile mechanical arm (5); the mud conveying pipe (52) and the jet pipe (51) are respectively communicated with the mud pump (3) and the high-pressure water pump (4).
2. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 1, wherein: the ship body (1) is provided with an operation controller for controlling the movement of the movable mechanical arm (5).
3. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 1, wherein: the sludge storage cabin (2) is internally provided with a centrifugal pump and a filter for separating sludge from water.
4. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 1, wherein: the high-pressure water pump (4) comprises a water taking pipe, the water taking pipe extends below the water level and can take water on site to supplement a water source of high-pressure jet flow, and the high-pressure water pump (4) is used for outputting water with the pressure not lower than 4 MPa.
5. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 1, wherein: the mobile mechanical arm (5) is formed by connecting a plurality of supporting arms through rotating shafts (53), and a high-definition probe, an underwater searchlight and a positioning device are arranged at each rotating shaft (53).
6. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 1, wherein: the mud suction cover (6) is in a hemispherical shell shape, corrosion-resistant steel is adopted, a high-strength corrosion-resistant sealing rubber strip is arranged on the shell-shaped edge, the elongation of the rubber strip is 200% -600%, and the tear strength is 2-7 MPa.
7. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 6, wherein: the mud suction cover (6) is a detachable part.
8. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 1, wherein: the end part of the sludge suction port (7) is provided with a filter screen.
9. The mobile jet dredging vessel for use under a high piled wharf as claimed in claim 1, wherein: the high-pressure jet opening (8) is cylindrical, and a plurality of high-pressure spray heads are uniformly arranged at the end part and used for jetting water with the jet speed not lower than 70 m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038968.9A CN111139886A (en) | 2020-01-14 | 2020-01-14 | Movable jet dredging ship used below high-pile wharf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038968.9A CN111139886A (en) | 2020-01-14 | 2020-01-14 | Movable jet dredging ship used below high-pile wharf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111139886A true CN111139886A (en) | 2020-05-12 |
Family
ID=70525035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010038968.9A Pending CN111139886A (en) | 2020-01-14 | 2020-01-14 | Movable jet dredging ship used below high-pile wharf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111139886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030254A (en) * | 2022-06-28 | 2022-09-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Water-air sand flushing equipment for preventing and dredging high-pile wharf |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004238905A (en) * | 2003-02-05 | 2004-08-26 | Fukumaru Kensetsu Kk | Mud suction apparatus |
| CN207260220U (en) * | 2017-08-25 | 2018-04-20 | 上海环能企业发展有限公司 | A kind of silt-cleaning vessel for river way |
| CN107956231A (en) * | 2017-12-13 | 2018-04-24 | 李林 | A kind of high-pressure jet formula underwater desilting device and dredger |
| CN109469139A (en) * | 2018-11-08 | 2019-03-15 | 马鞍山沐及信息科技有限公司 | A kind of dredger |
| CN211849668U (en) * | 2020-01-14 | 2020-11-03 | 浙江大学 | Movable jet dredging ship used below high-pile wharf |
-
2020
- 2020-01-14 CN CN202010038968.9A patent/CN111139886A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004238905A (en) * | 2003-02-05 | 2004-08-26 | Fukumaru Kensetsu Kk | Mud suction apparatus |
| CN207260220U (en) * | 2017-08-25 | 2018-04-20 | 上海环能企业发展有限公司 | A kind of silt-cleaning vessel for river way |
| CN107956231A (en) * | 2017-12-13 | 2018-04-24 | 李林 | A kind of high-pressure jet formula underwater desilting device and dredger |
| CN109469139A (en) * | 2018-11-08 | 2019-03-15 | 马鞍山沐及信息科技有限公司 | A kind of dredger |
| CN211849668U (en) * | 2020-01-14 | 2020-11-03 | 浙江大学 | Movable jet dredging ship used below high-pile wharf |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030254A (en) * | 2022-06-28 | 2022-09-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Water-air sand flushing equipment for preventing and dredging high-pile wharf |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Yangyang Inventor after: Chen Weiyi Inventor after: Zhu Jiahui Inventor after: Wang Lizhong Inventor before: Chen Weiyi Inventor before: Gao Yangyang Inventor before: Zhu Jiahui Inventor before: Wang Lizhong |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200512 |