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Goods hold structure of ultra-large crude oil ship without swash bulkhead

A super-large, crude oil technology, applied in the direction of hull compartment, hull, ship construction, etc., can solve the problems of increased hull structure weight, increased assembly workload of shipyards, etc., to reduce the effect, save assembly workload, and reduce the number of parts Effect

Pending Publication Date: 2022-04-08
708TH RES INST OF CSSC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problems that a large number of parts need to be produced due to the setting of the swash bulkhead in the VLCC, the increase in the assembly workload of the shipyard and the increase in the weight of the hull structure

Method used

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  • Goods hold structure of ultra-large crude oil ship without swash bulkhead
  • Goods hold structure of ultra-large crude oil ship without swash bulkhead
  • Goods hold structure of ultra-large crude oil ship without swash bulkhead

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Embodiment

[0036] Taking a 310,000-dwt VLCC with an overall length of about 333m, a molded width of 60m, and a molded depth of 30m as an example, a set of optimal design parameters for the cargo tank structure arrangement of a VLCC without swash bulkheads is introduced.

[0037] 1. Subdivision of VLCC cargo tanks without swash bulkheads. like figure 2 As shown, the cargo tank of a traditional VLCC is divided into five tanks along the longitudinal direction, and the typical tank length is 50.94m. The effective sloshing lengths of the first four side cargo oil tanks from bow to stern are all greater than 0.13 times the structural ship length, and sloshing bulkheads are required. And as Figure 5 As shown, in the subdivision form adopted by the present invention, the lengths of the cargo tanks are different, and the length of the three groups of cargo oil tanks on the shorter side is taken as 43.2m, so that the effective sloshing length is less than 0.13 times the length of the structura...

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Abstract

The invention relates to a cargo hold structure of a non-swash bulkhead of an ultra-large crude oil ship, and belongs to the technical field of ship design and manufacturing. Two longitudinal bulkheads are arranged on the ultra-large crude oil ship in the length direction of a ship body, a cargo hold is divided into side cargo oil tanks on the two sides and a middle cargo oil tank in the middle in the width direction of the ship body, the side cargo oil tanks are of a bulkhead structure without swash, and second transverse supports are arranged in the side cargo oil tanks in the width direction of the ship body. According to the invention, through the subdivision arrangement of the cargo hold with unequal length, the shorter side cargo oil tank is not provided with a swash bulkhead, so that a considerable number of parts can be reduced, and the assembly workload of a shipyard is saved; and the hull structure weight reduction effect is obvious.

Description

technical field [0001] The invention relates to a cargo tank structure without a swash bulkhead for an ultra-large crude oil carrier, and belongs to the technical field of ship design and manufacture. Background technique [0002] The unique characteristics of the traditional VLCC structural arrangement are (such as figure 1 As shown): There are 2 longitudinal bulkheads 1, which divide the crude oil tanker into three cargo oil tanks (i.e. 2 side cargo oil tanks and 1 middle cargo oil tank) in the transverse direction. Between the longitudinal bulkheads 1 there are Brace-2 is used to reduce the span of the vertical girders 3 of the longitudinal bulkhead and improve the overall bearing capacity of the transverse strong frame. [0003] The cargo hold of a typical VLCC is arranged with equal length, and the length of the hold is usually about 50 meters (such as figure 2 shown). Since the center cargo oil tank is equipped with vertical girders 3 and cross braces 1-2, which ha...

Claims

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Application Information

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IPC IPC(8): B63B11/02B63B25/08
Inventor 张帆尚保国王元陈倩王竟宇傅建鹏
Owner 708TH RES INST OF CSSC
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