Grey Forecas ting of Corrosion Speed for Electric Heat - Concomitance Pipes of Buried Pipeline at Liaohe Teshi

Journal of Liaoning Petrochemical University ›› 2007, Vol. 27 ›› Issue (1): 47-49.

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Grey Forecas ting of Corrosion Speed for Electric Heat - Concomitance Pipes of Buried Pipeline at Liaohe Teshi

1. S chool o f Storage - Transport and Architecture Engineering , Liaoning University of Petroleum &Chemical Technology , Fushun Liaoning 113001, P. R. China ;
2. Liaohe Oi l f ield Economy ,Trade and the Real Estate Corporation , Panj in Liaoning 124010 , P. R. China

Received:2006-08-03 Published:2007-03-20 Online:2017-07-05

辽河特石埋地管道电伴热管腐蚀速度灰色预测辽河特石埋地管道电伴热管腐蚀速度灰色预测

王戬丽¹ , 申龙涉¹ , 王　红² , 马祥礼^{2 ,} 张金亮², 王为民^{1 *}

1. 辽宁石油化工大学储运与建筑工程学院, 辽宁抚顺113001;
2. 辽河油田经济贸易置业总公司, 辽宁盘锦124010

作者简介:王戬丽(1977 - ), 女, 辽宁辽阳市, 在读硕士。

Abstract

Abstract:

　Buried pipelines at Teshi , Liaohe area locate in a complicated and variable corrosion environment. Most of pipelines go through paddy fields. So it is necessary to predict the corroding speed of the pipelines. Samples from heat - concomitance pipes of spot buried pipelines were processed to make test pieces and tested by a corrosion speed measure . By applying the theoretical principles and modeling process of grey system theory , GM(1, 1) model of corroding speed was established. The model was used in grey forecasting for data of test pieces. Residual test method is adopted for checking . Forecasting results were analyzed and discussed. Results show that the model is correct , but the model can only reflect the corrosion effect from lightly corroding and naturally corroding . The model adepts to short - term forecasting .

Key words: 　Corrosion speed , Grey forecasting , Buried pipeline , , Electric heat - concomitance

摘要： 　辽河特石埋地管道所经区域的自然地表环境因素复杂多变, 大部分经过水稻田地, 因此有必要对该管线进行腐蚀速度的预测。从现场埋地管道的伴热管取样, 经过加工做成试件, 利用腐蚀速度测试仪进行测试。应用灰色系统理论的数学原理及建模过程, 建立了腐蚀速率GM(1, 1)模型。应用该模型对测试试件的数据进行灰色预测, 采用“ 残差检验法” 进行检验, 并对预测模型的结果进行了分析讨论, 预测结果表明, 模型是正确的。但该模型只能反映腐蚀轻重并且由于自然腐蚀的影响, 故该预测模型适合较短期的预测。

关键词: 腐蚀速率, 　灰色预测, 　埋地管道, 　电伴热

WANG Jian - li, SHEN Lo ng - she,et al. Grey Forecas ting of Corrosion Speed for Electric Heat - Concomitance Pipes of Buried Pipeline at Liaohe Teshi[J]. Journal of Liaoning Petrochemical University, 2007, 27(1): 47-49.

王戬丽, 申龙涉,王　红, 马祥礼,张金亮, 王为民. 辽河特石埋地管道电伴热管腐蚀速度灰色预测辽河特石埋地管道电伴热管腐蚀速度灰色预测[J]. 辽宁石油化工大学学报, 2007, 27(1): 47-49.

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Grey Forecas ting of Corrosion Speed for Electric Heat - Concomitance Pipes of Buried Pipeline at Liaohe Teshi

辽河特石埋地管道电伴热管腐蚀速度灰色预测辽河特石埋地管道电伴热管腐蚀速度灰色预测

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Grey Forecas ting of Corrosion Speed for Electric Heat - Concomitance Pipes of Buried Pipeline at Liaohe Teshi

辽河特石埋地管道电伴热管腐蚀速度灰色预测 辽河特石埋地管道电伴热管腐蚀速度灰色预测

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辽河特石埋地管道电伴热管腐蚀速度灰色预测辽河特石埋地管道电伴热管腐蚀速度灰色预测