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解答換熱器常見的泄漏問題

時間：2020-06-17 來源：行業動態瀏覽次數：238

換熱器常見的泄漏問題有哪些？主要原因如下:鋼板和板的腐蝕，鋼板的裂縫，板和板的變形，不均勻的夾緊螺栓，密封墊圈等。具體的失效形式可能由下列條件引起：

圖為：管式換熱器

第一：由于水質不符合水處理設備操作不當,以及冷熱媒介之間的溫差,在板式換熱器表面污垢(硬質合金,硅,導致污染)可憐的熱傳導,降低傳熱的影響,點狀腐蝕會引起嚴重的穿孔泄漏;

第二：換熱器的底部、墊圈底部、油箱底部或板角、密封孔和墊圈外側的間隙將導致介質的保持。由于介質的非均勻性，造成裂縫腐蝕;

第三：換熱器在沖壓過程中產生殘余應力，如果鹵素離子和介質的濃度(如氯等離子體)或H2S長時間暴露，可能會導致板的應力腐蝕開裂;

第四：換熱器中的不銹鋼板在焊接過程中產生晶間腐蝕;換熱板材料不合適，使用壽命太長，使用壽命超過，泄漏造成

? 上一篇: 換熱器的防腐保養

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