Case Report of Corrosion Troubles and Those Countermeasures Concerning Aluminum Brass Tube for Marine Use-Shell and Tube Type Heat Exchanger

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概要

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• We experienced corrosion troubles of some Aluminum Brass cooling tubes of a turbo generator condenser. To clarify those causes, we investigated actual conditions and circumstances on board vessels and as seawater flowed into the cooling tubes. This was during the actual operational conditions of the condenser. We considered the protection film of the iron ion on the internal surface of the cooling tubes, and preventive maintenance conditions by means of anodes and/or injection of chlorine and so on. Through results of these investigations we found that such as the proper feeding of iron ion into the cooling tubes, a lack of protective anodes and the excessive interposition of the chlorine (by means of the anti-fouling device effect) of the said corrosion troubles, before reaching our countermeasures for some of them.

• 社団法人 日本マリンエンジニアリング学会の論文

著者

• 木田 隆之

  (株) アイエイチアイ マリンユナイテッド

• 木田 隆之

  (株) アイ・エイチ・アイマリンユナイテッド

• 原田 朋宏

  (株) アイ・エイチ・アイマリンユナイテッド

• 関 進吾

  (株) アイ・エイチ・アイマリンユナイテッド

関連論文

• 「フィンスタビライザー」・「可変ピッチプロペラ」
• Case Report of Corrosion Troubles and Those Countermeasures Concerning Aluminum Brass Tube for Marine Use-Shell and Tube Type Heat Exchanger

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