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您當前的位置：首頁(yè) ? 新聞動(dòng)態(tài) ? 公司新聞  ? 如何正確進(jìn)行不銹鋼反應釜拋光

如何正確進(jìn)行不銹鋼反應釜拋光

來(lái)源： 時(shí)間：2015-04-21 13:21:01 瀏覽次數：

不銹鋼反應釜管內外表面(特別如電解拋光、機械拋光后)具有良好的鈍化層，耐腐蝕能力較強。不銹鋼反應釜內外表面光潔度高，介質(zhì)粘附很少有利于耐腐蝕。反應傳遞管內表面光潔度高液體介質(zhì)滯留越少
不銹鋼反應釜管內外表面(特別如電解拋光、機械拋光后)具有良好的鈍化層，耐腐蝕能力較強。不銹鋼反應釜內外表面光潔度高，介質(zhì)粘附很少有利于耐腐蝕。反應傳遞管內表面光潔度高液體介質(zhì)滯留越少，有利于沖洗，特別在制藥行業(yè)。不銹鋼反應釜管內表面機械拋光：有旋轉與直線(xiàn)拋光。這里以旋轉機械拋光為例：機械拋光設備較為簡(jiǎn)單，動(dòng)力與拋光盤(pán)、拋光設備較為簡(jiǎn)單，動(dòng)力與拋光盤(pán)、拋光蠟。
不銹鋼反應釜管內表面電解拋光(電化學(xué)拋光)：電解拋光液不銹鋼管內表面在陽(yáng)上，拋光液在和內流動(dòng)通以低電壓大電流而進(jìn)行電解拋光處理。這時(shí)管內表面同時(shí)進(jìn)行著(zhù)兩個(gè)相互矛盾的過(guò)程，即金屬表面鈍化層(含稠性粘膜)生成與溶解。由于表面微觀(guān)的凸起部分和凹進(jìn)部分成膜進(jìn)入鈍化的條件是不同的，又由于陽(yáng)溶解。由于表面微觀(guān)凸起部分和凹進(jìn)部分成膜進(jìn)入鈍化的條件是不同的，又由于陽(yáng)溶解，陽(yáng)區金屬鹽濃度不斷增加，在表面形成一種高電阻的稠性粘膜。該膜在凹凸處厚度不同導致陽(yáng)表面電流密度大，放電溶解速度快，在短時(shí)間內達到削平突出的微觀(guān)部分的目的，能達到很高的光潔度Ra≤0.2-0.4μm。并在這種作用下，管內表增加了含量，增加了金屬表面鈍化層的耐腐蝕能力。
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