Selection of material and wall thickness of long-distance direct buried heating pipes
Taking the long-distance large temperature difference central heating project of Ningxia Huadian Lingwu Co.,Ltd.to Yinchuan City as an example,in order to ensure the safety of the long-distance heating pipeline,the material and wall thickness of the directly buried heating pipeline in the long-distance heating project were selected based on the requirements of the long-distance heating project.The results show that when the diameter of the working pipe is less than DN800,the pipe material is Q235B.When the diameter of the working pipe is greater than or equal to DN800,the pipe material is the working pipe made of Q355B.The results show that the scheme can meet the safety of the operation of the engineering pipe network and the cost is low.
long-distance direct buried heating pipelinematerialwall thickness
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