一种水下管段局部干式喷砂除锈装置及方法
本发明公开一种水下管段局部干式喷砂除锈装置及方法,属于水下管道维护技术领域。装置包括隔水罩、抽水系统、喷砂机构和砂料回收系统,隔水罩围合水下管段的待除锈部位并与管段外壁形成密封的作业腔,抽水系统抽出作业腔内的水使作业腔内形成局部干式环境,喷砂机构在干式环境下对管段外壁喷砂除锈,砂料回收系统在喷砂的同时回收砂料并排出粉尘。本方案在水下管段局部形成干式环境后进行喷砂,除锈质量不受水体浑浊影响,同时回收砂料、减少海洋污染。
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