一种在用含缺陷大型不锈钢管道复位提升方法
By combining the main lifting system, auxiliary lifting system, and monitoring system with non-destructive testing, the problem of safe lifting of large stainless steel pipelines after settlement was solved, and the safe restoration and stable operation of the pipeline were achieved.
CN116642083BActive Publication Date: 2026-07-17NAT PETROLEUM & NATURAL GAS PIPELINE NETWORK GRP CO LTD LNG TERMINAL MANAGEMENT BRANCH +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NAT PETROLEUM & NATURAL GAS PIPELINE NETWORK GRP CO LTD LNG TERMINAL MANAGEMENT BRANCH
- Filing Date
- 2023-04-11
- Publication Date
- 2026-07-17
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Figure CN116642083B_ABST
Abstract
本发明提供了一种含缺陷大型不锈钢管道复位提升方法，包括以下步骤：步骤1：根据管道应力现状，缺陷状况，提升距离等确定完成复位提升的可能性；步骤2：安装提升系统，所述的提升系统包括主提升系统、辅助提升系统和监测系统；步骤3：将总提升距离划分为多个小提升距离；步骤4：完成一个小提升距离的提升，测量无异常后，进行下一个小提升距离的提升，逐一完成每个小提升距离的提升；步骤5：提升结束，对管道进行支撑固定，将管道恢复至使用条件。本发明的有益效果是可以确保安全地将沉降管道恢复至设计条件来保障管道运行安全。
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