CN114482102A - Offshore cylindrical foundation installation sinking drainage pipeline system and recovery method - Google Patents
Offshore cylindrical foundation installation sinking drainage pipeline system and recovery method Download PDFInfo
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- CN114482102A CN114482102A CN202210201705.4A CN202210201705A CN114482102A CN 114482102 A CN114482102 A CN 114482102A CN 202210201705 A CN202210201705 A CN 202210201705A CN 114482102 A CN114482102 A CN 114482102A
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- drainage
- water pump
- pump system
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses an offshore cylinder type foundation mounting sinking drainage pipeline system which comprises a cylinder type foundation, wherein the lower part of the cylinder type foundation is provided with a plurality of sub-cabins, each sub-cabin is provided with two drainage branch pipe openings, the two drainage branch pipe openings are both connected with a drainage branch pipe, the drainage branch pipes are provided with manual valves, the drainage branch pipes are connected with an annular main pipeline, a hydraulic valve is arranged at the joint of the annular main pipeline and the drainage branch pipes, the annular main pipeline is connected with a water pump system through a flange, the water pump system consists of a high-power submersible pump and an electric valve, a hydraulic oil cylinder is sleeved outside the flange, and meanwhile, the recovery method of the water pump system is also disclosed. The invention has the advantages that: the prefabricated tower barrel is convenient to prefabricate, is suitable for batch production of composite tower barrels with different sizes, and can level the barrel type foundation in the sinking process.
Description
Technical Field
The invention belongs to the technical field of offshore wind power foundation sinking, and particularly relates to an offshore cylindrical foundation installation sinking drainage pipeline system and a recovery method.
Background
A cylindrical foundation is widely used as a foundation type of an offshore wind power structure. The installation in foundation soil is mainly divided into several steps: exhaust sinking, drainage sinking, negative pressure solid maintaining and recovery sinking systems; the barrel-type foundation often needs to be leveled in real time in the sinking process, and the sinking levelness of the foundation is ensured to meet the design requirement.
Disclosure of Invention
The invention aims to overcome the limitations and provide a pumping and drainage pipeline system which is convenient to prefabricate, is suitable for batch production of composite tower cylinders with different sizes and can level a cylinder type foundation in a sinking process.
The purpose of the invention is realized by the following technical scheme: the utility model provides an offshore shell type foundation installation is sunk and is taken out drainage pipe-line system, including the shell type basis, shell type basis lower part is equipped with a plurality of branch storehouses, every branch storehouse is last to have seted up two drainage branch mouths of pipe, two drainage branch mouths of pipe all are connected with the drainage branch pipe, manual valve is installed to the drainage branch pipe, the drainage branch pipe is connected with annular main line, the last hydraulic valve of installing with the junction of drainage branch pipe of annular main line, annular main line passes through flange joint with water pump system, water pump system comprises high-power immersible pump and motorised valve, the flange overcoat is equipped with hydraulic cylinder.
A recovery method for an offshore cylinder type foundation installation sinking drainage pipeline system comprises the following steps:
A. two branch drainage pipe openings are formed in a plurality of sub-bins at the lower part of the cylindrical foundation, the two branch drainage pipe openings are connected with a branch drainage pipe, and then the branch drainage pipe is connected with a manual valve;
B. connecting a drainage branch pipe with an annular main pipeline, installing a hydraulic valve at the joint of the annular main pipeline and the drainage branch pipe, connecting a water pump system with the annular main pipeline through a flange, and sleeving a hydraulic oil cylinder outside the flange;
C. when the cylindrical foundation 1 is sunk, the flange 11 is clamped by a hydraulic oil cylinder 12 to perform drainage work in the sub-bin 2, namely, the drainage branch pipe mouth 3 of the corresponding bin is opened, and then an electric valve 10 of a water pump system 8 is opened to achieve the effects of exhausting and draining; when negative pressure drainage is needed, opening the drainage branch pipe mouth 3 of the corresponding bin, opening the submersible pump 9, and then opening the electric valve 10 to perform negative pressure drainage;
D. after the cylindrical foundation 1 is sunk, the hydraulic oil cylinder 12 is loosened, the water pump system 8 is separated from the annular main pipeline 7, and the water pump system 8 is recovered.
Preferably, the specific recovery method in step D is: the hydraulic oil cylinder action condition is judged by observing the pressure change of the hydraulic system, quadruple hydraulic pressure is reserved, the hydraulic oil cylinder is ensured to be completely loosened by increasing the hydraulic pressure, the steel wire rope reserved on the cylindrical foundation of the water pump system is lifted by the floating crane, the water pump system is separated from the annular main pipeline, the water pump system is recycled, and the four lifting lugs are arranged on the water pump system to ensure the balance in the lifting process.
In summary, the invention has the following advantages: the valve control can realize that the drainage of a single bin or the drainage of a plurality of bins is performed step by step or simultaneously in the sinking installation process of the bin-divided cylindrical foundation, and the levelness of the cylindrical foundation in the sinking installation process meets the design requirement through the real-time reading of the sensor.
Drawings
FIG. 1 is a piping layout of the present invention;
FIG. 2 is an overall front view of the cartridge base of the present invention;
FIG. 3 is an overall top view of the cartridge base of the present invention;
reference numbers in the figures: the system comprises a 1-cylinder type foundation, 2-sub-bins, 3-drainage branch pipe openings, 4-drainage branch pipes, 5-hydraulic valves, 6-manual valves, 7-annular main pipelines, 8-water pump systems, 9-submersible pumps, 10-electric valves, 11-flanges and 12-hydraulic oil cylinders.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1, 2 and 3, the invention provides an offshore cylinder type foundation mounting sinking drainage pipeline system, which comprises a cylinder type foundation 1, wherein a plurality of sub-bins 2 are arranged at the lower part of the cylinder type foundation 1, two drainage branch pipe openings 3 are arranged on each sub-bin 2, the two drainage branch pipe openings 3 are both connected with a drainage branch pipe 4, a manual valve 6 is arranged on each drainage branch pipe 4, the drainage branch pipes 4 are connected with an annular main pipeline 7, a hydraulic valve 5 is arranged at the joint of the annular main pipeline 7 and the drainage branch pipes 4, namely, each sub-bin 2 is respectively connected with the hydraulic valve 5 and the manual valve 6, the annular main pipeline 7 is connected with a water pump system 8 through a flange 11, the water pump system 8 consists of a high-power submersible pump 9 and an electric valve 10 and is a subsequent recovery module, and a hydraulic oil cylinder 12 is sleeved outside the flange 11.
The recovery method comprises the following steps: two branch drainage pipe openings 3 are formed in a plurality of sub-bins 2 at the lower part of a cylindrical foundation 1, the two branch drainage pipe openings 3 are connected with a branch drainage pipe 4, and then the branch drainage pipe 4 is connected with a manual valve 6; connecting a drainage branch pipe 4 with an annular main pipeline 7, installing a hydraulic valve 5 at the joint of the annular main pipeline 7 and the drainage branch pipe 4, connecting a water pump system 8 with the annular main pipeline 7 through a flange 11, and sleeving a hydraulic oil cylinder 12 outside the flange 11;
when the cylindrical foundation 1 is sunk, the flange 11 is clamped by a hydraulic oil cylinder 12 to perform drainage work in the sub-bin 2, namely, the drainage branch pipe mouth 3 of the corresponding bin is opened, and then an electric valve 10 of a water pump system 8 is opened to achieve the effects of exhausting and draining; when negative pressure drainage is needed, opening the drainage branch pipe mouth 3 of the corresponding bin, opening the submersible pump 9, and then opening the electric valve 10 to perform negative pressure drainage;
after the cylindrical foundation 1 is sunk, the hydraulic oil cylinder 12 is loosened, the action condition of the hydraulic oil cylinder 12 is judged by observing the pressure change of a hydraulic system, quadruple hydraulic pressure is reserved, the hydraulic oil cylinder 12 is ensured to be completely loosened by increasing the hydraulic pressure, a steel wire rope on the cylindrical foundation 1 is reserved by a hoisting water pump system 8 through a floating crane, the separation of the water pump system 8 and an annular main pipeline 7 is realized, the water pump system 8 is recovered, and four lifting lugs are arranged on the water pump system 8 to ensure the balance in the hoisting process.
Claims (3)
1. The utility model provides an offshore barrel type foundation installation is sunk and is taken out drainage pipe-line system which characterized in that: including cartridge type basis (1), cartridge type basis (1) lower part is equipped with a plurality of branch storehouses (2), two drainage branch mouth (3) have been seted up on every branch storehouse (2), two drainage branch mouths (3) all are connected with drainage branch pipe (4), manual valve (6) are installed to drainage branch pipe (4), drainage branch pipe (4) are connected with annular main pipeline (7), install hydraulic valve (5) with the junction of drainage branch pipe (4) on annular main pipeline (7), annular main pipeline (7) are connected through flange (11) with water pump system (8), water pump system (8) comprise high-power immersible pump (9) and motorised valve (10), flange (11) overcoat is equipped with hydraulic cylinder (12).
2. A method of recovering a marine cylinder foundation installation submergence and drainage pipeline system according to claim 1, characterized in that: the method comprises the following steps:
A. two branch drainage pipe openings (3) are formed in a plurality of sub-bins (2) at the lower part of a cylindrical foundation (1), the two branch drainage pipe openings (3) are connected with a branch drainage pipe (4), and then the branch drainage pipe (4) is connected with a manual valve (6);
B. connecting a drainage branch pipe (4) with an annular main pipeline (7), installing a hydraulic valve (5) at the joint of the annular main pipeline (7) and the drainage branch pipe (4), connecting a water pump system (8) with the annular main pipeline (7) through a flange (11), and sleeving a hydraulic oil cylinder (12) outside the flange (11);
C. when the cylindrical foundation (1) is sunk, the flange (11) is clamped by a hydraulic oil cylinder (12) to perform drainage work in the sub-bin (2), namely, a drainage branch pipe opening (3) corresponding to the bin is opened, and then an electric valve (10) of a water pump system (8) is opened to achieve the effects of exhausting and draining; when negative pressure drainage is needed, opening a drainage branch pipe opening (3) of the corresponding bin, opening the submersible pump (9), and then opening the electric valve (10) to perform negative pressure drainage;
D. after the cylindrical foundation (1) is sunk, the hydraulic oil cylinder (12) is loosened, the water pump system (8) is separated from the annular main pipeline (7), and the water pump system (8) is recovered.
3. The method for recovering a submerged drainage pipeline system installed on an offshore cylinder foundation as claimed in claim 2, wherein the method comprises the following steps: the specific recovery method in the step D comprises the following steps: judge hydraulic cylinder (12) action condition through observing hydraulic system pressure variation, reserve quadruple hydraulic pressure, ensure hydraulic cylinder (12) and loosen completely through the mode that increases hydraulic pressure, lift by crane water pump system (8) through the floating crane and reserve the wire rope on cartridge type basis (1), realize the separation of water pump system (8) and annular main line (7), retrieve water pump system (8), set up four lugs on water pump system (8) and guaranteed the balance of lifting by crane the in-process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210201705.4A CN114482102A (en) | 2022-03-03 | 2022-03-03 | Offshore cylindrical foundation installation sinking drainage pipeline system and recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210201705.4A CN114482102A (en) | 2022-03-03 | 2022-03-03 | Offshore cylindrical foundation installation sinking drainage pipeline system and recovery method |
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| CN114482102A true CN114482102A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210201705.4A Pending CN114482102A (en) | 2022-03-03 | 2022-03-03 | Offshore cylindrical foundation installation sinking drainage pipeline system and recovery method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506394A (en) * | 2022-10-18 | 2022-12-23 | 河北工程大学 | Pump prying block system for multi-cabin cylinder foundation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195110A (en) * | 2013-03-29 | 2013-07-10 | 天津大学 | Stable bucket-shaped foundation sinking negative pressure testing device |
| CN104929144A (en) * | 2015-05-04 | 2015-09-23 | 浙江大学 | Deepwater suction type barrel-shaped foundation intermittent penetration equipment and installation method |
| CN206554134U (en) * | 2017-03-13 | 2017-10-13 | 江苏道达风电设备科技有限公司 | A kind of device that pressure monitoring and automatic boosting in bucket foundation are combined for offshore wind farm |
| CN113212655A (en) * | 2021-06-11 | 2021-08-06 | 西北工业大学 | Suction anchor device for unmanned underwater vehicle to reside on seabed and control method thereof |
-
2022
- 2022-03-03 CN CN202210201705.4A patent/CN114482102A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195110A (en) * | 2013-03-29 | 2013-07-10 | 天津大学 | Stable bucket-shaped foundation sinking negative pressure testing device |
| CN104929144A (en) * | 2015-05-04 | 2015-09-23 | 浙江大学 | Deepwater suction type barrel-shaped foundation intermittent penetration equipment and installation method |
| CN206554134U (en) * | 2017-03-13 | 2017-10-13 | 江苏道达风电设备科技有限公司 | A kind of device that pressure monitoring and automatic boosting in bucket foundation are combined for offshore wind farm |
| CN113212655A (en) * | 2021-06-11 | 2021-08-06 | 西北工业大学 | Suction anchor device for unmanned underwater vehicle to reside on seabed and control method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506394A (en) * | 2022-10-18 | 2022-12-23 | 河北工程大学 | Pump prying block system for multi-cabin cylinder foundation |
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Effective date of registration: 20220913 Address after: East of Haidi Road and South of Beihai Dike, Rudong Yangkou Port Economic Development Zone, Nantong City, Jiangsu Province, 226000 Applicant after: CGN RUDONG OFFSHORE WIND POWER GENERATION CO.,LTD. Applicant after: JIANGSU DAODA WIND POWER EQUIPMENT TECHNOLOGY CO.,LTD. Address before: 226000 No. 8 Huanghe Road, Tongzhou Bay River Sea linkage development demonstration zone, Tongzhou City, Nantong City, Jiangsu Province Applicant before: JIANGSU DAODA WIND POWER EQUIPMENT TECHNOLOGY CO.,LTD. |