Liquid cargo tank arrangement form capable of effectively reducing 20000-30000 m<3> liquefied gas carrier cost

Abstract

The invention discloses a liquid cargo tank arrangement form capable of effectively reducing 20000-30000 m<3> liquefied gas carrier cost. The number of liquid cargo tanks is only two, the two liquid cargo tanks include the first liquid cargo tank near a bow and a second liquid cargo tank near a stern, a first transverse bulkhead and a second transverse bulkhead are arranged between the first liquid cargo tank and the second liquid cargo tank, the first transverse bulkhead is close to the first liquid cargo tank, and the second transverse bulkhead is close to the second liquid cargo tank; a non-cargo loading tank is formed between the first transverse bulkhead and the second transverse bulkhead, the distance between the first transverse bulkhead and the second transverse bulkhead is Lvoid,the Lvoid is larger than or equal to L<2/3>/3-L1-L2, wherein L is the length of a liquefied gas carrier, L1 is the distance from the tail of the first liquid cargo tank to the first transverse bulkhead, and L2 is the distance from the head of the second liquid cargo tank to the second transverse bulkhead. The liquid cargo tank arrangement form can reduce the ship initial investment cost, can alsoeffectively simplify the operation process of the liquefied gas carrier and improves the operational safety of the liquefied gas carrier.

Description

technical field [0001] The invention relates to the technical field of ships, in particular to a liquid cargo tank layout form that can effectively reduce the cost of a liquefied gas ship of 20,000 to 30,000 square meters. Background technique [0002] Due to various historical reasons, the current 20,000 to 30,000-square-meter liquefied gas ships on the market generally adopt the form of three liquid cargo tanks, except that due to the lifting capacity of the shipyard, they cannot achieve three tanks and instead adopt the form of four liquid cargo tanks. Such as figure 1 As shown, the liquefied gas ship is provided with three liquid cargo tanks, namely liquid cargo tank 101 , liquid cargo tank 102 and liquid cargo tank 103 . From an economic point of view, three liquid cargo tanks are better than four liquid cargo tanks, so now the mainstream schemes of various design institutes and shipyards all adopt the form of three liquid cargo tanks. Each liquid cargo tank is an ind...

AI Technical Summary

Problems solved by technology

[0007] A conventional liquefied gas ship of 20,000 to 30,000 cubic meters adopts the form of three liquid cargo tanks. This form not only increases the cost of tank materials, insulation materials, steel materials, cargo pumps, and cargo maintenance systems, but also increases the cost of liquefied gas. The loss of liquid cargo and the operational complexity of the crew during the ship's transportation

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