饱和潜水支持船呼吸气管清洁度控制

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摘    要：本文根据我司完成的多艘饱和潜水支持船建造以及海工船加装饱和潜水系统的经验总结，系统论述了呼吸气管从备料预制到船上施工全过程中清洁度的控制要点，并根据呼吸气管清洁度的技术要求，提出了管路清洗的工艺流程及和检验方案，为其他同类工程提供借鉴。

关键词：饱和潜水；呼吸气管；清洁度；清洗工艺

中图分类号：U671.91                               文献标识码：A

Cleanliness Control of Breathing Pipe Line for Saturation Diving Support Vessel

ZHUANG Xuesheng，  LONG Ben

（ Yiu-lian Dockyards （Shekou） Limited，  Shenzhen 518054 ）

Abstract： According to the experience summary of the saturation diving system equipped and completed for some saturation diving support ships and marine engineering ships built in Yiu-lian Dockyards， this paper systematically elaborates the control points of breathing pipe line cleanliness during the whole process from material preparation & prefabrication to fabrication aboard the ship， and technical requirements of cleanness of breathing pipe line after installation， and puts forward the cleaning procedure of pipeline and inspecting procedure. It can provide experience reference for the similar projects of other shipyards.

Key words： saturation diving; breathing pipe line; cleanliness; cleaning procedure

1     前言

饱和潜水是一种在大水深条件下，开展长时间作业的潜水方式， 被广泛应用于50～300 m水深范围内海底管线与电缆的铺设、检测与维修、海管除蜡、海管悬跨段治理、安装立管、膨胀弯、电缆护管、FPSO单点系泊系统等常规海洋工程中。（剩余4548字）