VLCC cargo oil tank segmentation and gantry carrying process

A cargo oil tank and process technology, applied to ships and other directions, can solve the problems of prolonging the docking period, increasing the working hours, affecting the ship's docking cycle, etc., and achieving the effect of shortening the cycle, saving the operation time, and reducing the difficulty of operation and construction.

Pending Publication Date: 2021-12-21
DALIAN COSCO KHI SHIP ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the segmental division and PE unit of the cargo oil tank in the traditional VLCC, the upper door-type deck segmental longitudinal seam is divided into two, and the lower door-type LA and W segments are combined with P.E. and loaded. The above operation method increases the field work At the same time, it increases the working hours in the dock, prolongs the docking period, and affects the docking cycle of subsequent ships

Method used

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  • VLCC cargo oil tank segmentation and gantry carrying process
  • VLCC cargo oil tank segmentation and gantry carrying process
  • VLCC cargo oil tank segmentation and gantry carrying process

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Embodiment 1

[0037] Please refer to the attached figure 1 , 2 , of which, attached figure 1 , 2 The segmentation process of the cargo oil tank in the VLCC provided by the embodiment of the present application is respectively shown, and the cargo oil tank in the VLCC is divided into several groups of segments along the length direction:

[0038] Segments include: upper deck, longitudinal bulkheads, intermediate structural segments:

[0039] Divide the upper deck into two sections DCS and DCP along the plane of symmetry;

[0040] Divide the longitudinal bulkhead into two segments, LAP and LAS, along the plane of symmetry;

[0041] The intermediate structural section is located between the two sections of the longitudinal bulkhead.

[0042] formed as figure 1 DCS, DCP, LAP, LAS and beam structure in the figure 1 Indicated by the letter W) or formed as figure 2 DCS, DCP, LAP, LAS and tight transverse bulkheads in the figure 2 Indicated by the letter TA).

Embodiment 2

[0044] combined with Figure 1-4 , the present embodiment provides a cargo oil hatch type loading process in VLCC, which is carried out in sections as in Embodiment 1: the loading process includes the following steps:

[0045] S1. Pre-folding:

[0046] Door-to-door fixed offer P.E:

[0047] Each segment of DCS and each segment of DCP are individually P.E with the deck as BASE to form the total DCS segment and the total DCP segment:

[0048] Then turn both the DCS total section and the DCP total section 180°, and then perform P.E to get the door-to-door model;

[0049] Bottom-type fixed offer P.E:

[0050] Perform P.E on each section of LAP with the bulkhead as BASE to form the total section of LAP;

[0051] Turn over the total section of LAP by 90° and perform P.E with the intermediate structure section to form intermediate one;

[0052] Each segment of the LAS is P.E with the bulkhead as BASE to form the total LAS segment, and then the total LAS segment is turned 90° and...

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Abstract

The invention provides a VLCC cargo oil tank segmentation and carrying process, which is characterized in that a VLCC cargo oil tank is divided into a plurality of segments in the length direction; the segments comprise an upper deck, a longitudinal bulkhead and a middle structure segment; the upper deck is divided into a DCS segment and a DCP segment along the symmetry plane; the longitudinal bulkhead is divided into an LAP segment and an LAS segment along the symmetry plane; and the middle structure segment is located between the two segments of the longitudinal bulkhead, the middle structure segment is of a cross beam structure or a sealed transverse bulkhead, and then carrying is conducted according to the segments. The invention belongs to the technical field of cargo oil tank segmentation and carrying, and the original LB segment deck small group and large group integration operation is omitted; and no turning-over fortification exists in a fixed disc in the dock, external field operation is turned into internal field operation, the operation procedure is advanced, the construction time of the in-dock operation is shortened, and the dock period is shortened.

Description

technical field [0001] The invention relates to the field of cargo oil tank segmentation and carrying technology, in particular to the process of cargo oil tank segmentation and door type loading in VLCC. Background technique [0002] A cargo oil tank is a hold on a ship (generally an oil tanker) loaded with cargo oil, and is a structure used to store large oil tanks. [0003] In the segmental division and PE unit of the cargo oil tank in the traditional VLCC, the upper door-type deck segmental longitudinal seam is divided into two, and the lower door-type LA and W segments are combined with P.E. and loaded. The above operation method increases the field work At the same time, it increases the working hours in the dock, prolongs the docking period, and affects the docking cycle of subsequent ships. Contents of the invention [0004] In order to solve the segmentation division of the cargo oil tank in the traditional VLCC and the PE unit, the upper door-type deck segmental...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B73/20B63B73/40
CPCB63B73/20B63B73/40
Inventor 瞿荣泽张阳史明川宋兆祥祝晓
Owner DALIAN COSCO KHI SHIP ENG
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