• 不锈钢盘管特点高温蒸汽抗冲击腐蚀、耐腐蚀

    Thee characteristics of stainless steel coil high temperature steam, impact corrosion and ammonia corrosion;

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  • 铜管腐蚀造成凝汽器泄漏给水重要原因

    Ammoniac Corrosion of condenser copper tubes is the major cause of condenser leakage and copper content in boiler feed water.

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  • 特别是采用B_(30)白铜可有效地防止凝汽器铜管腐蚀

    Using B30 paktong tubes in condenser, especially in air extracting area, can significantly prevent condenser tubes from corrosion.

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  • 由于聚集氧的存在出现过冷度情况铜管腐蚀不可避免的。

    Ammonia corrosion of condenser copper tubes in the air removal section cannot be avoided as a result of ammonia collection and existence under super cooling condition.

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  • 无水提塔喷嘴高速蒸汽产生介质活化腐蚀联合作用腐蚀严重通过材质、结构优化取得良好的效果。

    By the joint action of cavitation corrosion produced in the high speed stream and medium activation corrosion, the spray nozzles of anhydrous ammonia stripper corrode seriously.

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  • 主要汽提塔腐蚀状况衬里焊缝发生频繁泄漏原因应对措施以及维护检修中的注意事项等进行探讨

    This article presents the situation of ammonia stripper corrosion, discusses reasons for frequent leaking of the lining welding and the countermeasures, as well as the cautions for the maintenance.

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  • 通过制冷压力容器应力腐蚀开裂进行调查分析试验研究提出切实可行对策措施

    In this paper, we raise really available measures through the investigation, analysis, test and research about the stress corrosion cracking of pressure vessel for ammonia refrigerating equipments.

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  • 采用电化学极化失重研究了纯铜管、304不锈钢开口、低氧密闭两种状态下不同浓度溶液中的腐蚀性能

    The corrosion performance of tubes of copper and 304 stainless steel in ammonia solutions with different ammonia concentration are studied by electrochemical polarization and weight-loss method.

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  • 介绍了合成装置甲醇换热器EA-206工艺设备情况,腐蚀机理进行了分析。

    The main process and equipment of methanol heat exchanger EA - 206 in ammonia unit are introduced, and corrosion mechanisms is studied.

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  • 某公司立式冷凝器波纹换热管采用316L不锈钢制造,使用1年后陆续发生腐蚀穿孔现象

    The recuperator tube of ammonia condenser on a factory was made of 316l stainless steel and pitted after used for only one year.

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  • 通过冷却水、传热管以及分析检验,发现冷凝器传热管泄漏由冷却水对金属的电化学腐蚀引起

    It was found that the leakage cause of the ammonia condenser tubes was the electrochemical corrosion due to the cooling water based on the analysis on the cooling water, tubes and the scales.

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  • 仪表适用于测量液体气体压力真空测量碳钢、奥氏体不锈钢铅类焊料腐蚀作用的介质的压力和真空。

    It is used for pressure and vacuum of ammoniac liquid and gas as well as of zhe madia which can't corrode carbon steel, stainless steel and solders like tin and lead.

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  • 介绍了酮苯装置立式冷凝器失效情况,确定海水局部腐蚀冷凝器失效主要原因

    The corrosion failure of vertical ammonia-seawater condenser used in acetone-benzol plant was introduced. It is determined that the main failure reason is caused by seawater local corrosion.

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  • UHMWPE非氧化性硫酸硝酸浓度较大盐酸、磷酸、氢氟酸、甲酸、乙酸)、和胺及各种碱、溶液都好的性、两种材料都不强氧化性酸的腐蚀

    UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.

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  • 废热锅炉是合成装置重要设备之一,大管焊缝受高温高压及介质腐蚀,运行年后会产生裂纹,影响装置的正常运行。

    To find the cause of perforation corrosion in a boiler tube, the chemical composition, mechanical properties, microstructure of tubes, the corrosion product and the water quality have been analyzed.

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  • 废热锅炉是合成装置重要设备之一,大管焊缝受高温高压及介质腐蚀,运行年后会产生裂纹,影响装置的正常运行。

    To find the cause of perforation corrosion in a boiler tube, the chemical composition, mechanical properties, microstructure of tubes, the corrosion product and the water quality have been analyzed.

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