天然气净化装置热力管道腐蚀防护控制

Natural Gas Purification Device Thermal Pipeline Corrosion Protection Control

天然气净化在脱硫、脱碳、脱水等加工处理过程中,锅炉蒸汽凝结水系统是工艺主体装置的重要组成部分,所需工业水预处理合格后输送到天然气处理厂。在近几年的生产实践中,除在原水预处理阶段处理合格外,需进一步降低蒸汽及凝结水系统管路液态水中O2、CO2等气体,因此,设置、操作、维护好液态水质腐蚀防控,避免发生管线穿孔,确保天然气加工装置安全生产、保供连续稳定。

In the process of natural gas purification, such as desulfurization, decarburization and dehydration, the boiler steam condensate system is an important part of the main process equipment, and the required industrial water is transported to the natural gas processing plant through pretreatment. In the production practice in recent years, in addition to the qualified treatment in the raw water pretreatment stage, it is necessary to further reduce the O2, CO2 and other gases in the liquid water of the steam and condensate system pipelines. Therefore, setting, operating and maintaining the liquid water corrosion prevention and control To avoid the occurrence of pipeline perforation and equipment vapor-liquid interface, to ensure the safe production and continuous supply of natural gas processing equipment.