LNG燃料動(dòng)力船舶雙壁管施工工藝

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摘    要：隨著國家對(duì)環(huán)境保護(hù)的重視程度與日俱增，對(duì)新能源戰(zhàn)略和節(jié)能減排措施大力推進(jìn)落實(shí)，LNG燃料動(dòng)力船舶的建造進(jìn)入了高速發(fā)展期。本文簡要介紹了LNG供氣系統(tǒng)的構(gòu)成、雙壁管的結(jié)構(gòu)形式和現(xiàn)場(chǎng)施工工藝過程，總結(jié)了雙壁管制作、安裝施工中的相關(guān)注意事項(xiàng)，期望對(duì)相關(guān)從業(yè)人員有所益處。

關(guān)鍵詞：船舶；LNG燃料；雙壁管；焊接；密性試驗(yàn)

中圖分類號(hào)：U664.84                               文獻(xiàn)標(biāo)志碼：A

Construction Technology of Double-Walled Pipe of

LNG Fuel Powered Ship

ZHENG Zhengshuang

（ China Classification Society Industry Corporation，  Wuhan 430000 ）

Abstract： With the increasing attention of the country to environmental protection， as well as the implementation of new energy strategies and energy conservation and emission reduction measures， the construction of LNG fuel powered ships has entered into a period of rapid development.This article briefly introduces the composition of the LNG gas supply system， the structural form of double-walled pipe and the on-site construction technology. This article also summarizes the relevant matters，which need attention in production and installation of the double-wall pipe. Expected to be benefiial to the relevant practitioners.

Key words： ship;  LNG fuel;  double-walled pipe;  welding;  tightness test

1     引言

近幾年，隨著國家對(duì)環(huán)境保護(hù)的重視程度與日俱增，對(duì)新能源戰(zhàn)略和節(jié)能減排措施的大力推進(jìn)落實(shí)，LNG燃料動(dòng)力船舶的建造進(jìn)入了高速發(fā)展期。（剩余4905字）