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A floating platform and method for maintaining floating state and stability control during loading and unloading thereof

A floating platform, no-load state technology, applied in the direction of floating buildings, etc., can solve the problem of increasing the oil content of ballast water, and achieve the effect of reducing the requirements of the heating system, improving the space utilization rate, and reducing the layout of the piping system

Active Publication Date: 2017-12-05
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different from the tank washing treatment process, the oil content in the ballast water will be greatly increased in the later stage of this technology, requiring higher-capacity treatment equipment to meet the process requirements, adding another factor that restricts operational efficiency

Method used

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  • A floating platform and method for maintaining floating state and stability control during loading and unloading thereof
  • A floating platform and method for maintaining floating state and stability control during loading and unloading thereof
  • A floating platform and method for maintaining floating state and stability control during loading and unloading thereof

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Experimental program
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Effect test

Embodiment 1

[0061] Embodiment 1 loading and unloading process

[0062] In order to ensure that the vertical position of the center of buoyancy does not change, and to limit the vertical change of the center of gravity to always be within a safe and controllable range, in conjunction with the above subdivision design, the present invention formulates a set of innovative loading and unloading procedures.

[0063] If the platform has a drilling function unit, it is generally divided into two working conditions, that is, the drilling working condition and the production oil recovery working condition. In drilling conditions, ballast water is also used to adjust the floating state of the platform to ensure that the waterline surface of the platform is always at the full-load waterline. This process is clear and not specifically described here. For ease of understanding, the loading and unloading process of production oil production conditions is divided into two stages and explained separatel...

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Abstract

The invention discloses a floating platform provided with a plurality of layers of cabins in the height direction of the floating platform. When the load of each cabin is full or loading and unloading are carried out, the gravity center is always located on a vertical line where the gravity center of the whole floating platform is located. A plurality of annular cabins are branch cabins with the volume being the equal ratio, and the volume ratio of every two adjacent cabins in the vertical direction is equal to the inverse ratio of the density of liquid stored in the cabins. In the actual loading process, by adjusting crude oil or seawater loaded by the cabins of the different layers, the floating platform can always maintain the constant water discharge amount, and the position of the water plane keeps unchanged so that the floating platform can always have the optimum hydrodynamic performance.

Description

technical field [0001] The invention relates to a floating platform and a method for controlling the floating state and steady state of the floating platform during loading. Involving patent classification B63 Ships or other water craft; Ship-related equipment B63B Ships or other water craft; Marine equipment B63B35 / 00 Ships suitable for special purposes or similar floating structures B63B35 / 44 Floating structures, water warehouses, Water drilling platforms or water workshops, such as those carrying oil-water separation equipment. Background technique [0002] In 2013, Tianjin University, State Key Laboratory of Water Conservancy Engineering Simulation and Safety, Tang Yougang's team proposed a new type of multi-barrel FPSO (also known as FDPSO) made of concrete. This new type adopts the patented technology of "closed air pressure connected ballast seawater and crude oil equal mass flow rate replacement process" proposed by CNOOC expert Wu Zhirong as the design basis, and r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B35/44
Inventor 黄一王文华姚宇鑫叶茂生刘刚张崎李红霞陈景杰董磊
Owner DALIAN UNIV OF TECH
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