{"id":6229,"date":"2018-03-09T12:40:26","date_gmt":"2018-03-09T11:40:26","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=6229\/"},"modified":"2018-03-09T12:40:26","modified_gmt":"2018-03-09T11:40:26","slug":"long-plates-for-anodic-oxidation","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/en\/6229\/long-plates-for-anodic-oxidation\/","title":{"rendered":"Long plates for anodic oxidation"},"content":{"rendered":"

Revamping and rebuild intervention for the substitution of old heat exchangers<\/a><\/strong>, impossible to recover, installed in anodic oxidation plants<\/strong><\/a>.<\/p>\n

We already covered the topic of anodic oxidation<\/a> a few months ago, talking about aluminium<\/strong> where the treatment process is employed to increase corrosion<\/a> resistance<\/strong> of the material, for harsh environments applications<\/strong>.<\/p>\n

\"scambiatori<\/a><\/p>\n

The process consists in the use a galvanic bath<\/strong>, with a solution of water and sulphuric acid, and the passage of low voltage current.<\/p>\n

<\/p>\n

In the specific case, we installed new long plates heat exchangers<\/a><\/strong> in order to obtain an optimization of acid\u2019s temperatures. Using a lower water load, the heat exchangers achieve optimal acid cooling<\/strong>, thanks to the fact that it remains for a longer time in contact with the cooling water.<\/p>\n

The heat exchangers have been engineered with special materials and executions<\/strong>, aimed to face the severe operating conditions<\/strong> of anodic oxidation plants:<\/p>\n

– special gaskets resistant to sulphuric acid (concentration 18%)
\n– AISI 316 plates with high thickness
\n– connections coated with special corrosion resistant material<\/p>\n","protected":false},"excerpt":{"rendered":"

Revamping and rebuild intervention for the substitution of old heat exchangers, impossible to recover, installed in anodic oxidation plants. 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