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Method for mounting large-size discharging platform

An installation method and platform technology, applied in the directions of loading/unloading, transportation and packaging, and processing of building materials, etc., can solve problems such as increasing the difficulty of construction quality control, increasing the use time of cranes, and reducing construction safety, so as to achieve heightened safety Sex and construction quality, simple installation method and wide application range

Inactive Publication Date: 2011-06-15
COSCO DALIAN SHIPYARD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the gradual development of the world's deep-sea oilfields, the demand for floating production, storage and offloading units (FPSO) and other offshore products in the international market is increasing. It is converted from a tanker. In the supertanker conversion (FPSO) process, adding a new unloading platform to the extension of the bow deck on the ship is always one of the important projects in the conversion of the floating production storage and offloading unit (FPSO). The weight of the general unloading platform is 150-230 tons, in the process of supertanker conversion floating production storage and offloading (FPSO) in the past, the installation of the unloading platform was mainly carried out by large floating cranes. Due to the change of the line type at the head and tail, the installation process required a large range of repairs and adjustment, the sealing cannot be carried out immediately, and the crane can only be allowed to loosen the hook until the sealing is completed. The installation process of the first unloading platform takes 2-3 days, which will greatly increase the use time of the crane, and at the same time work at night, which reduces the The safety of construction and the difficulty of construction quality control have increased. In order to reduce production costs, improve production efficiency and construction safety, a scientific, reasonable and safe installation method design is essential

Method used

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Embodiment Construction

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Abstract

The invention discloses a method for mounting a large-size discharging platform, comprising the following steps of: A. designing a tooling bracket and a bearing triangular bracket according to the self structure, the weight, the gravity center and the mounting position of the discharge platform, welding the tooling bracket at the designated position of a deck and mounting the bearing triangular bracket at the designated position of an outer board of a ship body at the bottom of the discharging platform; B. mounting a drawing and adjusting lifting lug at the designated position and arranging a hoisting lifting lug on the deck of the discharging platform; C. assembling a steel wire rope, a chain block and different shackles together; and D. hoisting a discharging platform structure to a mounting position, connecting the shackles connected with the chain block on the ship with the drawing and adjusting lifting lug on the discharging platform, tightening the chain block and releasing a hook of a hoist. According to the method for mounting the large-size discharging platform, the use time of hoisting on the sea is greatly shortened, the safety for the mounting process is improved, the time for using the hoist is shortened to 4-6 hours from 2-3 days, the cost is saved and the service efficiency of hoisting resources is improved.

Description

Installation method of large unloading platform technical field The invention relates to the field of floating production, storage and unloading devices refitted from supertankers, in particular to an installation method of a large unloading platform. Background technique With the gradual development of the world's deep-sea oilfields, the demand for floating production, storage and offloading units (FPSO) and other offshore products in the international market is increasing. It is converted from a tanker. In the supertanker conversion (FPSO) process, adding a new unloading platform to the extension of the bow deck on the ship is always one of the important projects in the conversion of the floating production storage and offloading unit (FPSO). The weight of the general unloading platform is 150-230 tons, in the process of supertanker conversion floating production storage and offloading (FPSO) in the past, the installation of the unloading platform was mainly carried out ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/14B65G69/22
Inventor 曹凯张平于海涛张延年
Owner COSCO DALIAN SHIPYARD
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