CN115434318A - Suction pipe pile recovery system and recovery method - Google Patents
Suction pipe pile recovery system and recovery method Download PDFInfo
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- CN115434318A CN115434318A CN202211202180.2A CN202211202180A CN115434318A CN 115434318 A CN115434318 A CN 115434318A CN 202211202180 A CN202211202180 A CN 202211202180A CN 115434318 A CN115434318 A CN 115434318A
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- pipe pile
- suction pipe
- pile
- suction
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
Abstract
The invention belongs to the technical field of offshore wind power engineering, and particularly relates to a suction pipe pile recovery system and a recovery method of the suction pipe pile recovery system. The suction pipe pile recovery system is convenient for recovering the suction pipe pile and improves the recovery construction efficiency.
Description
Technical Field
The invention belongs to the technical field of offshore wind power engineering, and particularly relates to a suction pipe pile recovery system and a recovery method thereof.
Background
In recent years, renewable clean energy is vigorously developed in China, and offshore wind energy resources are always the focus of much attention. The offshore wind power generation technology is the most important way for the development of offshore wind energy resources at present. At present, the conventional offshore wind turbine foundation is a single-pile foundation and a jacket foundation, but the suction pipe pile is gradually popularized and used along with the expansion of the offshore wind power development range and the complication of environmental conditions. The recycling of the suction pipe pile after the service period expires is very important, so that on one hand, the environmental pollution can be avoided, and on the other hand, the steel can be recycled. The recovery method adopted in the related art is to inject gas into the suction pipe pile to provide uplift force, but the uplift force is only provided by the internal and external pressure difference of the suction pipe pile, the uplift force provided is limited, and the lower end of the suction pipe pile is in viscous connection with a seabed soil layer, so that the recovery of the suction pipe pile is not facilitated.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the invention provides a suction pipe pile recovery system which is convenient for recovering a suction pipe pile and improves the recovery construction efficiency.
The embodiment of the invention also provides a recovery method of the suction pipe pile recovery system.
The suction pipe pile recovery system of the embodiment of the invention comprises: loop wheel machine, suction tubular pile and hollow tubular pile, the one end of loop wheel machine with the suction tubular pile links to each other in order to provide ascending power of pulling up, hollow tubular pile arranges in suction tubular pile's circumference, just hollow tubular pile with suction tubular pile interval arrangement, be equipped with a plurality of preformed holes in order to install a plurality of shower nozzles in hollow tubular pile's circumference, and a plurality of preformed holes and a plurality of shower nozzle one-to-ones.
The suction pipe pile recovery system provided by the embodiment of the invention is convenient for recovering the suction pipe pile and improves the recovery construction efficiency.
In some embodiments, the spray head is rotatable relative to the hollow tube stake to adjust the angle of the spray head.
In some embodiments, suction tubular pile recovery system still includes flotation pontoon, first pump and second pump, flotation pontoon one end with suction tubular pile links to each other, be equipped with air inlet and water passage on the flotation pontoon, first pump with the air inlet links to each other, the second pump with the water passage links to each other.
In some embodiments, the system for recovering the suction pipe pile further comprises a plurality of air bags and a third pump, the plurality of air bags are respectively connected with the third pump, the plurality of air bags are distributed in the suction pipe pile, and the plurality of air bags are arranged at intervals in the circumferential direction of the suction pipe pile.
In some embodiments, the suction pipe pile recovery system further comprises a plurality of first pipes, one end of each of the plurality of first pipes is connected to the third pump, and the other end of each of the plurality of first pipes is connected to the plurality of air bags in a one-to-one correspondence manner.
In some embodiments, the suction pipe pile further comprises a plurality of regulating valves, one end of each regulating valve is connected with the third pump, and the other end of each regulating valve is connected with the first pipes in a one-to-one correspondence manner.
In some embodiments, the suction pipe pile includes lug, barrel, apron and a plurality of first board, the barrel is equipped with and holds the chamber, the first board is located hold the intracavity, it is a plurality of the first board is followed the circumference interval arrangement of barrel is in order to with hold the chamber and cut apart into a plurality of subchambers, it is a plurality of the one end of first board with the internal face that holds the chamber links to each other, and is a plurality of the other end interconnect of first board, and is a plurality of the one end that the seabed was kept away from to the first board with the apron links to each other, the other end of apron with the one end of lug links to each other, the other end of lug with the loop wheel machine links to each other.
In some embodiments, the cover plate is provided with a plurality of water guide holes and a plurality of gas injection holes, the plurality of water guide holes and the plurality of gas injection holes correspond to each other one by one, and the plurality of water guide holes and the plurality of gas injection holes are communicated with the plurality of sub-chambers one by one.
The recovery method of the suction pipe pile recovery system provided by the embodiment of the invention comprises the following steps: the unit side friction force of the soil body in unit area is obtained through a soil body experiment on the seabed, and the uplift resistance of the suction pipe pile is further obtained; spraying water by a spray head of the hollow pipe pile to disturb soil around the suction pipe pile;
the crane is connected with the suction pipe pile to provide upward pulling force; inflating the air bag, and providing upward pulling force for the suction pipe pile by the air bag; and connecting the buoy with the suction pipe pile.
The recovery method of the suction pipe pile recovery system provided by the embodiment of the invention is convenient for recovering the suction pipe pile and improves the recovery construction efficiency.
In some embodiments, when the size of the suction pipe pile pulled out of the seabed is larger than the vertical size of the air bag, water is introduced into the suction pipe pile; and after the suction pipe pile is pulled out of the seabed soil body, injecting gas into the suction pipe pile through the gas injection hole.
Drawings
Fig. 1 is a schematic view of a suction tube pile recovery system according to an embodiment of the present invention.
Fig. 2 is a top view of the suction tube stake of fig. 1.
Reference numerals are as follows:
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1, the suction pipe pile recovery system in the embodiment of the present invention includes a crane, a suction pipe pile and a hollow pipe pile 1, one end of the crane is connected to the suction pipe pile to provide an upward pulling force, the hollow pipe pile 1 is arranged in the circumferential direction of the suction pipe pile, the hollow pipe pile 1 and the suction pipe pile are arranged at intervals, a plurality of prepared holes 11 are provided in the circumferential direction of the hollow pipe pile 1 to install a plurality of nozzles, and the plurality of prepared holes 11 correspond to the plurality of nozzles one to one.
Specifically, as shown in fig. 1, the suction tube pile recovery system further includes a pulling rope 2, one end of the crane is connected to the upper end of the pulling rope 2, and the lower end of the pulling rope 2 is connected to the suction tube pile to provide an upward pulling force. The hollow pipe pile 1 is cylindrical, a plurality of preformed holes 11 are formed in the outer wall surface of the hollow pipe pile 1, the preformed holes 11 are suitable for being provided with a plurality of spray heads, inlets of the spray heads are suitable for being connected with a liquid source, or inlets of the spray heads are suitable for being connected with a high-pressure water pump, and the spray heads are suitable for spraying liquid to disturb seabed soil around the suction pipe pile so as to reduce resistance of the soil around the suction pipe pile to the suction pipe pile in the process of upwards pulling.
Optionally, the depth of the hollow pipe pile 1 under the seabed is 0.8 to 1 time of the depth of the suction pipe pile under the seabed, so that the stirring range of the spray head can be increased, and the recovery efficiency can be improved. A preset gap A (not shown) is arranged between the hollow tubular piles 1 and the suction tubular pile, and A is more than or equal to 80cm and less than or equal to 120cm, so that the construction difficulty of the hollow tubular piles 1 is reduced while the disturbance effect is ensured, and the recovery efficiency of the suction tubular pile recovery system is improved.
According to the suction pipe pile recovery system, the hollow pipe pile 1 is arranged, the preformed hole 11 is formed in the hollow pipe pile 1 for installing the spray head, and the spray head is suitable for spraying liquid to stir soil around the suction pipe pile, so that the suction pipe pile is convenient to recover, and the recovery construction efficiency is improved.
In some embodiments, the spray head is rotatable relative to the hollow pipe pile 1 to adjust the angle of the spray head.
Specifically, as shown in fig. 1 and fig. 2, the angle of the nozzle relative to the hollow pipe pile 1 is adjustable, so that the angle of the nozzle can be adjusted according to the field construction condition to improve the disturbance range and the disturbance effect on the seabed soil body of the suction pipe pile, reduce the resistance of the suction pipe pile during recovery, and improve the efficiency of the suction pipe pile during recovery.
In some embodiments, the suction pipe pile recovery system further comprises a first pump, a second pump and a plurality of buoys 3, one end of each buoy 3 is connected with the suction pipe pile, an air inlet and a water through port are formed in each buoy 3, the first pump is connected with the air inlet, and the second pump is connected with the water through port.
Specifically, as shown in fig. 1 and 2, one end of a plurality of buoys 3 is connected to the suction pipe pile, the plurality of buoys 3 float in water to provide upward buoyancy, the plurality of buoys 3 may be arranged at intervals in a circumferential direction around the suction pipe pile, the buoys 3 are provided with air inlets and water through ports, a first pump is adapted to drive air into the buoys 3 through the air inlets, a second pump is adapted to drive water into or out of the buoys 3 through the water through ports, when the suction pipe pile is inclined in upward pulling, water is pumped into the water through holes of the buoys 3 on a relatively high side to level the suction pipe pile, or the buoys 3 on a relatively low side are drained out of the water through holes to supply air into the buoys 3 through the water through ports to provide more upward pulling force.
According to the suction pipe pile recovery system, the buoys 3 are arranged, the buoys 3 are connected with the suction pipe pile, the buoys 3 are arranged at intervals in the circumferential direction around the suction pipe pile to provide upward buoyancy, the suction pipe pile is convenient to recover, and the recovery construction efficiency is improved. Be equipped with air inlet and water service hole through flotation pontoon 3, first pump is suitable for through the air inlet and squeezes into gas in flotation pontoon 3, and the second pump is suitable for letting in water or discharge flotation pontoon 3 through the water service hole, is convenient for through flotation pontoon 3 leveling when the suction pipe pile retrieves, improves the efficiency of construction of retrieving.
In some embodiments, the suction pipe pile recovery system further includes a plurality of air bags 4 and a third pump, the plurality of air bags 4 are respectively connected with the third pump, the plurality of air bags 4 are distributed in the suction pipe pile, and the plurality of air bags 4 are arranged at intervals in the circumferential direction of the suction pipe pile.
Specifically, as shown in fig. 1 and 2, a plurality of air bags 4 are distributed on the circumference of the suction pipe pile, a third pump is connected to the air bags 4 to inflate or introduce air into the air bags 4, so as to adjust the size of the air bags 4, for example, the third pump inflates and expands the air bags 4 by inflating the air bags 4, the lower ends of the air bags 4 are in contact with the seabed soil, the upper ends of the air bags 4 are connected to the suction pipe pile, and the inflated air bags 4 generate upward pressure on the suction pipe pile to lift the suction pipe pile upward.
Optionally, the suction tubular pile recovery system further comprises a plurality of first pipes, one ends of the first pipes are connected with the third pump, the other ends of the first pipes are connected with the air bags in a one-to-one correspondence manner, the first pipes stretch out of the suction tubular pile to facilitate the third pump to be communicated with the first pipes, and the recovery efficiency of the suction tubular pile recovery system is improved.
According to the suction pipe pile recovery system provided by the embodiment of the invention, the air bag 4 is arranged, the lower end of the air bag is in contact with a seabed soil body, the upper end of the air bag 4 is connected with the suction pipe pile, and the expanded air bag 4 generates upward pressure on the suction pipe pile to lift the suction pipe pile upwards, so that the suction pipe pile is conveniently recovered, and the recovery construction efficiency is improved.
In some embodiments, the suction tube pile further comprises a plurality of regulating valves, one ends of the plurality of regulating valves are connected with the third pump, and the other ends of the plurality of regulating valves are connected with the plurality of first tubes in a one-to-one correspondence manner.
Specifically, as shown in fig. 1 and 2, one end of the regulating valve is connected to the third pump, the other end of the third valve is communicated with the first pipe, and the regulating valve is suitable for regulating the amount of gas pumped into the air bag 4 by the third pump, so as to regulate the level of the suction tube pile during the upward pulling process, or the gas in the air bag 4 is pumped to regulate the level of the suction tube pile during the upward pulling process.
In some embodiments, the suction pipe pile comprises a lifting lug 5, a cylinder 6, a cover plate 7 and a plurality of first plates 8, the cylinder 6 is provided with a containing cavity, the first plates 8 are arranged in the containing cavity, the first plates 8 are arranged along the circumferential direction of the cylinder 6 at intervals so as to divide the containing cavity into a plurality of sub-cavities, one ends of the first plates 8 are connected with the inner wall surface of the cylinder 6, the other ends of the first plates 8 are connected with each other, one ends, far away from the seabed, of the first plates 8 are connected with the cover plate 7, the other end of the cover plate 7 is connected with one end of the lifting lug 5, and the other end of the lifting lug 5 is connected with a crane.
Specifically, as shown in fig. 1 and 2, the chamber is held in having in the barrel 6, and the one end of first board 8 links to each other with the internal face that holds the chamber, and the other end interconnect of first board 8 is in order to form a plurality of subchambers, and a plurality of gasbags 4 are suitable for and distribute in a plurality of subchambers, and then carry on spacingly to gasbags 4, avoid gasbags 4 to shift and cause the slope of suction pipe pile.
The cover plate 7 is connected with the upper end of the barrel 6, the cover plate 7 is further connected with the upper end of the first plate 8 to seal the upper end of the suction pipe pile, the stability of the suction pipe pile is improved, the lower ends of the lifting lugs 5 are connected with the cover plate 7, the lifting lugs 5 are further suitable for being connected with a crane, the number of the lifting lugs 5 is multiple, correspondingly, the number of the crane is multiple, the lifting lugs 5 are connected with the crane in a one-to-one correspondence mode, the plurality of lifting lugs 5 are connected with the crane in a one-to-one correspondence mode, the suction pipe pile can be leveled through the crane, and the stability and the safety of the suction pipe pile recovery system are improved.
In some embodiments, the cover plate 7 is provided with a plurality of water guide holes and a plurality of gas injection holes, the plurality of water guide holes and the plurality of gas injection holes correspond to each other one by one, and the plurality of water guide holes and the plurality of gas injection holes are communicated with the plurality of sub-chambers one by one.
Specifically, as shown in fig. 1 and fig. 2, the upper ends of the cover plates 7 are provided with water guide holes and gas injection holes, and the gas injection holes are suitable for injecting gas into the sub-chambers, or the gas injection holes are suitable for discharging gas in the sub-chambers of the suction pipe pile, so that the suction pipe pile is leveled in the process of pulling up the suction pipe pile. The water guide holes are suitable for discharging water in the suction pipe pile, or the water guide holes lead the water into the suction pipe pile so as to level the suction pipe pile in the upward pulling process.
The recovery method of the suction pipe pile recovery system comprises the steps of obtaining unit side friction force of soil in unit area through soil body experiments on a seabed, further obtaining uplift resistance of the suction pipe pile, spraying water to the spray head of the hollow pipe pile 1 to disturb the soil body around the suction pipe pile, connecting a crane with the suction pipe pile to provide upward uplift force, inflating the air bag 4, providing uplift force to the suction pipe pile by the air bag 4, and connecting the buoy 3 with the suction pipe pile.
Specifically, as shown in fig. 1 and 2, friction force of soil mass per unit area to the inside and outside of the cylinder 6 is obtained through experiments, the friction force of the inside and outside of the cylinder 6 is calculated, the pulling resistance of the suction pipe pile is obtained by adding the gravity of the suction pipe pile, the hollow pipe piles 1 are arranged at intervals in the circumferential direction of the suction pipe pile, nozzles are arranged on the suction pipe pile, water is sprayed through the nozzles to disturb the soil mass around the suction pipe pile, a crane with a proper specification is selected to be connected with the suction pipe pile to provide pulling-up force for the suction pipe pile, meanwhile, the air bag 4 is inflated through the first pipe, the upper end of the air bag 4 is connected with a cover plate 7, the lower end of the air bag 4 is in contact with seabed soil mass, the air bag 4 is inflated to provide upward thrust for the cover plate 7, and the buoy 3 is connected with the suction pipe pile to provide pulling-up force.
According to the recovery method of the suction pipe pile recovery system, the hollow pipe piles 1 are arranged at intervals in the circumferential direction of the suction pipe pile, the spray heads are arranged on the suction pipe pile, water is sprayed through the spray heads to disturb soil around the suction pipe pile, the resistance of the suction pipe pile to pull up is reduced, the suction pipe pile is convenient to recover, and the recovery construction efficiency is improved.
In some embodiments, when the size of the suction pipe pile pulled out of the seabed is larger than the vertical size of the air bag 4, water is introduced into the suction pipe pile, and after the suction pipe pile is pulled out of the seabed soil body, gas is injected into the suction pipe pile through the gas injection hole.
Specifically, as shown in fig. 1 and 2, after the air bag 4 expands to the maximum allowable range, the suction pipe pile continues to be pulled out, that is, when the pulled seabed size of the suction pipe pile is larger than the vertical size of the air bag 4 at this time, the air bag 4 does not provide upward thrust to the suction pipe pile cover plate 7, the suction pipe pile is provided with a water guide hole, water is injected into the suction pipe pile through the water guide hole at this time, the water pressure in the suction pipe pile is larger than the water pressure outside the suction pipe pile, and then water in the lifting process of the suction pipe pile flows out from the lower side of the cylinder 6, that is, water is injected into the suction pipe pile to provide upward lifting force for the suction pipe pile. After the suction pipe pile is pulled out of the soil body, the suction pipe pile is leveled by injecting gas into the suction pipe pile, for example, the gas is injected into the suction pipe pile through a gas outlet. And then the recovery of the suction pipe pile is completed.
According to the recovery method of the suction pipe pile recovery system, water is introduced into the suction pipe pile, so that the water pressure in the suction pipe pile is greater than the water pressure outside the suction pipe pile, water flows out of the lower portion of the barrel 6 when the suction pipe pile rises, namely water is injected into the suction pipe pile to provide lifting force for the suction pipe pile to rise upwards, the suction pipe pile is recovered conveniently, and the recovery construction efficiency is improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A suction tube pile recovery system is characterized by comprising:
loop wheel machine, suction tubular pile and hollow tubular pile, the one end of loop wheel machine with the suction tubular pile links to each other in order to provide ascending power of pulling up, hollow tubular pile arranges in suction tubular pile's circumference, just hollow tubular pile with suction tubular pile interval arrangement, be equipped with a plurality of preformed holes in order to install a plurality of shower nozzles in hollow tubular pile's circumference, and a plurality of preformed holes and a plurality of the shower nozzle one-to-one.
2. The suction tube pile recovery system of claim 1, wherein the spray head is rotatable relative to the hollow tube pile to adjust an angle of the spray head.
3. The suction tubular pile recovery system of claim 1, further comprising a buoy, a first pump and a second pump, wherein one end of the buoy is connected to the suction tubular pile, the buoy is provided with an air inlet and a water through port, the first pump is connected to the air inlet, and the second pump is connected to the water through port.
4. The system for recycling the suction pipe pile of claim 1, further comprising a plurality of air bags and a third pump, wherein the plurality of air bags are respectively connected with the third pump, the plurality of air bags are distributed in the suction pipe pile, and the plurality of air bags are arranged at intervals in the circumferential direction of the suction pipe pile.
5. The suction tube pile recovery system according to claim 4, further comprising a plurality of first tubes, one ends of the plurality of first tubes being connected to the third pump, and the other ends of the plurality of first tubes being connected to the plurality of air bags in a one-to-one correspondence.
6. The suction tube pile recycling system according to claim 5, further comprising a plurality of regulating valves, wherein one ends of the plurality of regulating valves are connected to the third pump, and the other ends of the plurality of regulating valves are connected to the plurality of first tubes in a one-to-one correspondence.
7. The suction tubular pile recovery system of claim 6, characterized in that, the suction tubular pile includes lug, barrel, apron and a plurality of first board, the barrel is equipped with holds the chamber, the first board is located hold the intracavity, it is a plurality of first board is followed the circumference interval arrangement of barrel is in order to with hold the chamber and cut apart into a plurality of subchambers, it is a plurality of the one end of first board with the internal face of barrel links to each other, and is a plurality of the other end interconnect of first board, and is a plurality of the one end that the seabed was kept away from to first board with the apron links to each other, the other end of apron with the one end of lug links to each other, the other end of lug with the loop wheel machine links to each other.
8. The suction tube pile recovery system according to claim 7,
the cover plate is provided with a plurality of water guide holes and a plurality of gas injection holes, the water guide holes are in one-to-one correspondence with the gas injection holes, and the water guide holes are in one-to-one correspondence with the gas injection holes and the sub-chambers.
9. A recovery method of a suction pipe pile recovery system is characterized by comprising the following steps:
the unit side friction force of the soil body in unit area is obtained through a soil body experiment on the seabed, and the uplift resistance of the suction pipe pile is further obtained;
a spray head of the hollow pipe pile sprays water to disturb soil around the suction pipe pile;
a crane is connected with the suction pipe pile to provide upward pulling force;
inflating the air bag, and providing upward pulling force for the suction pipe pile by the air bag;
and connecting the buoy with the suction pipe pile.
10. The recovery method of a suction tube pile recovery system according to claim 9,
when the size of the suction pipe pile pulled out of the seabed is larger than the vertical size of the air bag, water is introduced into the suction pipe pile;
and after the suction pipe pile is pulled out of the seabed soil body, injecting gas into the suction pipe pile through the gas injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211202180.2A CN115434318A (en) | 2022-09-29 | 2022-09-29 | Suction pipe pile recovery system and recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211202180.2A CN115434318A (en) | 2022-09-29 | 2022-09-29 | Suction pipe pile recovery system and recovery method |
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| CN115434318A true CN115434318A (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211202180.2A Pending CN115434318A (en) | 2022-09-29 | 2022-09-29 | Suction pipe pile recovery system and recovery method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443660B1 (en) * | 2000-11-27 | 2002-09-03 | Oceaneering International, Inc. | Method and system for manipulating an object located underwater |
| CN108797588A (en) * | 2018-05-30 | 2018-11-13 | 江苏海上龙源风力发电有限公司 | A kind of weak soil sea bed offshore wind turbine single-pile foundation overall pulling down auxiliary mould and remove technique |
| CN108951624A (en) * | 2018-09-06 | 2018-12-07 | 南京吉欧地下空间科技有限公司 | A kind of air bag pile pulling device and pile-pulling construction method |
| CN214940343U (en) * | 2021-04-24 | 2021-11-30 | 张继红 | Floating suction cylinder foundation |
| CN114875953A (en) * | 2022-06-13 | 2022-08-09 | 中国华能集团清洁能源技术研究院有限公司 | Suction type pile-barrel composite foundation |
-
2022
- 2022-09-29 CN CN202211202180.2A patent/CN115434318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443660B1 (en) * | 2000-11-27 | 2002-09-03 | Oceaneering International, Inc. | Method and system for manipulating an object located underwater |
| CN108797588A (en) * | 2018-05-30 | 2018-11-13 | 江苏海上龙源风力发电有限公司 | A kind of weak soil sea bed offshore wind turbine single-pile foundation overall pulling down auxiliary mould and remove technique |
| CN108951624A (en) * | 2018-09-06 | 2018-12-07 | 南京吉欧地下空间科技有限公司 | A kind of air bag pile pulling device and pile-pulling construction method |
| CN214940343U (en) * | 2021-04-24 | 2021-11-30 | 张继红 | Floating suction cylinder foundation |
| CN114875953A (en) * | 2022-06-13 | 2022-08-09 | 中国华能集团清洁能源技术研究院有限公司 | Suction type pile-barrel composite foundation |
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