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Liquefied gas transport ship

A technology for transporting ships and liquefied petroleum gas, which is applied in the directions of transportation and packaging, hulls, and ship construction. It can solve problems affecting ship blind spots, high costs, and unfavorable ship stability, and achieve good floating stability and little change in draft. , cost-saving effect

Active Publication Date: 2022-01-11
JIANGNAN SHIPYARD GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional liquefied gas carriers usually use cargo fuel by adding deck tanks. In this way, deck tanks need to be placed on the deck, and corresponding liquid cargo pipelines and supporting fittings will be added, which will increase the cost; at the same time , the position of the deck tank and its facilities is very high, which will affect the blind area of ​​the ship, and its high center of gravity is not conducive to the stability of the ship

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] For small liquefied gas carriers, such as figure 1 As shown, according to the requirements of endurance, the transverse bulkhead 41 extends along the entire width of the liquid tank 3, and the longitudinal bulkhead 42 extends along the entire length of the liquid tank 3, and is located on the center line of the liquid tank 3. From a top view, both Arranged in a cross shape, the liquid tank 3 is divided into two fuel areas 5 and two liquid cargo areas 6, and the two fuel areas 5 can meet the endurance requirements of a small liquefied gas carrier. The air chamber 2 is located directly above the intersection of the transverse bulkhead 41 and the longitudinal bulkhead 42 , and the tops of the two fuel areas 5 and the two liquid cargo areas 6 are connected to the air chamber 2 . At the bottom of the liquid tank 3 , directly below the air chamber 2 , there is also a liquid collecting tank 31 located at the intersection of the transverse bulkhead 41 and the longitudinal bulkh...

Embodiment 2

[0041] For medium-sized liquefied gas carriers, such as figure 2 As shown, according to the requirement of endurance, the transverse bulkhead 41 is connected between the longitudinal bulkhead 42 and a side wall of the liquid tank 3, and the longitudinal bulkhead 42 extends along the entire length of the liquid tank 3 and is located on the centerline of the liquid tank 3, Viewed from a top view, the two are arranged in a T-shape, dividing the liquid tank 3 into a fuel area 5 and two liquid cargo areas 6 . The air chamber 2 is located directly above the junction of the transverse bulkhead 41 and the longitudinal bulkhead 42 , and the tops of a fuel area 5 and two liquid cargo areas 6 are connected to the air chamber 2 . At the bottom of the liquid tank 3, directly below the air chamber 2, there is also a sump 31 located at the intersection of the transverse bulkhead 41 and the longitudinal bulkhead 42. Extending to the bottom of the sump 31, the liquid cargo entering the sump ...

Embodiment 3

[0043] For large liquefied gas carriers, such as image 3 As shown, according to the requirement of endurance, the transverse bulkhead 41 is connected between the longitudinal bulkhead 42 and a side wall of the liquid tank 3, and the longitudinal bulkhead 42 extends along the entire length of the liquid tank 3 and is located on the centerline of the liquid tank 3, Viewed from a top view, the transverse bulkhead 41 and the longitudinal bulkhead 42 are arranged in a T shape, dividing the liquid tank 3 into a fuel area 5 and two liquid cargo areas 6, and a horizontal bulkhead 43 is provided at the bottom of the fuel area 5, wherein A cargo area 6 extends below the horizontal bulkhead 43 . The air chamber 2 is located directly above the junction of the transverse bulkhead 41 and the longitudinal bulkhead 42 , and the tops of a fuel area 5 and two liquid cargo areas 6 are connected to the air chamber 2 . A first liquid collection tank 311 is provided at the bottom of the fuel area...

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Abstract

The invention provides a liquefied gas transport ship, a transverse bulkhead is arranged in a liquid tank in the width direction of the liquid tank, a longitudinal bulkhead is arranged in the length direction of the liquid tank, the transverse bulkhead is perpendicular to the longitudinal bulkhead, the liquid tank is divided into at least one fuel area, a left liquid cargo area and a right liquid cargo area, and the tops of the fuel area and the tops of the two liquid cargo areas communicate with a gas chamber. The liquefied gas transport ship has the beneficial effects that the transverse bulkhead and the longitudinal bulkhead are arranged in the liquid tank, the liquid tank is divided into at least one fuel area and two liquid cargo areas, and cargoes used as fuel are independently stored in the fuel areas, so that the cargoes carried by the liquefied gas carrier can be effectively utilized, and the cost of adding deck tanks and corresponding liquid cargo pipelines is saved; meanwhile, full-load sailing of other liquid cargo areas can be guaranteed, so that a free liquid level does not appear in the liquid cargo areas, and the stability is better; moreover, the fuel area is closer to the middle part of the ship than the head fuel oil tank and the tail fuel oil tank, the ship draught change is not large in the using process, and better floating state stability can be kept.

Description

technical field [0001] The invention relates to the technical field of liquefied gas transportation, in particular to a liquefied gas transportation ship. Background technique [0002] Liquefied gas is the main industrial and civil fuel and chemical raw material. It is a kind of clean energy without pollution. It occupies a very important position in the world's energy structure, accounting for about 20% to 25% of the total energy. The proportion of liquefied gas energy utilization in industrially developed countries has far exceeded 50%, and China has also risen to 10%, and is in the process of further rapid growth. At present, the annual growth rate of world gas energy consumption has been higher than the growth rate of oil and coal demand, and its shipping volume is also increasing year by year. [0003] Liquefied gas carriers are mainly used to transport gas energy such as liquefied petroleum gas (LPG), petrochemical products (ethane, butane, ethylene, vinyl chloride mo...

Claims

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Application Information

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IPC IPC(8): B63B11/04B63B25/12
CPCB63B11/04B63B25/12B63B25/08
Inventor 陈兵林青山蔡乾亚胡可一郑双燕何儒周鑫元
Owner JIANGNAN SHIPYARD GRP CO LTD
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