在輸油、輸氣管線防腐施工過程中，直縫鋼管表面處理是決定管道防腐使用壽命的關(guān)鍵因素之一，它是防腐層與直縫鋼管能否牢固結(jié)合的前提。經(jīng)研究專業(yè)機(jī)構(gòu)研究，防腐層的壽命除取決于涂層種類、涂覆質(zhì)量和施工環(huán)境等因素外，直縫鋼管的表面處理對(duì)防腐層壽命的影響約占5％，應(yīng)嚴(yán)格按照防腐層規(guī)范對(duì)直縫鋼管表面的要求，不斷改進(jìn)直縫鋼管表面處理方法，直縫鋼管除繡方法主要有以下幾種：清洗利用溶劑、乳劑清洗鋼材表面，以達(dá)到去除油、油脂、灰塵、潤滑劑和類似的有機(jī)物，但它不能去除鋼材表面的銹、氧化皮、焊藥等，因此在防府作業(yè)中只作為輔助手段。
執(zhí)行器IC20-60W3T芯科技，芯創(chuàng)新；88012990
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0192207111 Y-steel bearing UCP 214
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BALLUFF BTL-5-R1-M0610-Z-MA000--S135-E4 (Surplus New not in factory packaging)
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BALLUFF BMOA66RM-X63-1 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BIS-C-310-05 (Surplus New not in factory packaging)
BALLUFF C49BPE00PY050M CONNECTOR *NEW IN ORIGINAL PACKAGE*
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BALLUFF BNS-519-D04-L12-062-10 LIMIT SWITCH BNS519D04L1206210
BALLUFF BTL5-A11-M0305-B-SU147-S32 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BES-Q08ZE-POC20B-BV06 (Surplus New In factory packaging)
BALLUFF BNS-519-101-1-WS-067 (Used, Cleaned, Tested 2 year warranty)
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BALLUFF BES-516-207-BO-E-03 (Used, Cleaned, Tested 2 year warranty)
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燃?xì)鈮毫﹂_關(guān)，DG40VC1-5WG/B，75454579
燃?xì)鈮毫﹂_關(guān)，DG17VC1-6W/B，75455241
燃?xì)鈮毫﹂_關(guān)，DG40VC1-6W/B，75455243
燃?xì)鈮毫﹂_關(guān)，DG110VC1-6W/B，75455245
燃?xì)鈮毫﹂_關(guān)，DG300VC1-6W/B，75455246
燃?xì)鈮毫﹂_關(guān)，DG17VC1-6WG/B，75455247
燃?xì)鈮毫﹂_關(guān)，DG40VC1-6WG/B，75455249
燃?xì)鈮毫﹂_關(guān)，DG110VC1-6WG/B，75455251
燃?xì)鈮毫﹂_關(guān)，DG300VC1-6WG/B，75455252
燃?xì)鈮毫﹂_關(guān)，DG40VC9-6W/B，75456344
燃?xì)鈮毫﹂_關(guān)，DG17VC9-6W/B，75456403
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燃?xì)鈮毫﹂_關(guān)，DG300VC9-6W/B，75456406
燃?xì)鈮毫﹂_關(guān)，DG40VC9-6WG/B，75457583
燃?xì)鈮毫﹂_關(guān)，DG500VC1-6W/B，75457730
燃?xì)鈮毫﹂_關(guān)，DG500VC1-6WG/B，75458957
燃?xì)鈮毫﹂_關(guān)，DG17VC8D-6S32，84448004
在此基礎(chǔ)上，于25年下半年對(duì)選礦廠焙燒磁選二次磁選精礦進(jìn)行了陽離子反浮選半工業(yè)分流試驗(yàn)，取得了顯著的效果，在嚴(yán)冬季節(jié)、常溫條件下，72h穩(wěn)定試驗(yàn)結(jié)果表明，一次粗選、一次精選、四次掃選反浮選流程指標(biāo)為精礦品位61.82%，SiO2含量5.46%，作業(yè)回收率93.98%。與同期單一磁選流程生產(chǎn)指標(biāo)相比，精礦鐵品位提高4.5%，SiO2降低4.65%。陽離子反浮選生產(chǎn)實(shí)踐根據(jù)半工業(yè)分流試驗(yàn)結(jié)果，27年酒鋼對(duì)選礦廠焙燒磁選系統(tǒng)進(jìn)行了陽離子反浮選提質(zhì)降雜改造，改造后的工藝流程為三段階段磨礦、四次磁選－陽離子反浮選流程，也就是在弱磁選五次選別的基礎(chǔ)上，取消第五次選別，將第四次磁選的精礦引入再磨－反浮選系統(tǒng)。
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