產品自然冷卻后磨至85%-74μm，給到磁選作業，改變磁場分別為71.63kA/m、87.55kA/m、13.46kA/m。試驗結果見圖4，綜合技術經濟指標考慮，磁選作業的磁場強度以87.55kA/m為。磨礦細度條件試驗焙燒產品直接分選時鐵礦物與脈石礦物分離效果差，在分選前需要磨礦。其他條件不變，分別對不磨（-74μm為68%）及磨礦細度分別為-74μm8%、85%、9%、98%的磁化焙燒產品進行了磁選試驗，試驗表明，隨著磨礦產品中-74μm粒級的增加，鐵精礦產率有所下降，全鐵含量隨之提高，當-74μm含量大于85%后，變化速度趨緩。
芯科技，芯創新；燃氣壓力開關，DG10S-3，84447190
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0191015102 CONTACTOR
0191052110 VOLTMETER
0191059116 Ampere meter
0191085203 CAPACITOR
0191085206 CAPACITOR
0191321104 CLAMP PLAST. D=12 STAUFF
0191418074 SPACING SLEEVE
0191496114 WEDGE
0191561114 INSULATING WASHER
0191574114 INSULATED SLEEVE
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0191954101 RUBBER HOSE
0192058101 THERMAL COMPOUND
0192108201 SOLENOID VALVE
0192190051 PRESSURE COIL
0192200103 Hose Nipple
0192207111 Y-steel bearing UCP 214
0192230107 Blind Plug
BALLUFF BTL-5-R1-M0610-Z-MA000--S135-E4 (Surplus New not in factory packaging)
BALLUFF BIS-F-450-000-A (Used, Cleaned, Tested 2 year warranty)
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BALLUFF BIS-C-310-05 (Surplus New not in factory packaging)
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BALLUFF BTL5-A11-M0305-B-SU147-S32 (Used, Cleaned, Tested 2 year warranty)
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BALLUFF BES-516-207-BO-E-03 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BES-516-207-BO-E-03 (Used, Cleaned, Tested 2 year warranty)
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燃氣壓力開關，DG40VC1-5WG/B，75454579
燃氣壓力開關，DG17VC1-6W/B，75455241
燃氣壓力開關，DG40VC1-6W/B，75455243
燃氣壓力開關，DG110VC1-6W/B，75455245
燃氣壓力開關，DG300VC1-6W/B，75455246
燃氣壓力開關，DG17VC1-6WG/B，75455247
燃氣壓力開關，DG40VC1-6WG/B，75455249
燃氣壓力開關，DG110VC1-6WG/B，75455251
燃氣壓力開關，DG300VC1-6WG/B，75455252
燃氣壓力開關，DG40VC9-6W/B，75456344
燃氣壓力開關，DG17VC9-6W/B，75456403
燃氣壓力開關，DG60VC9-6W/B，75456404
燃氣壓力開關，DG150VC9-6W/B，75456405
燃氣壓力開關，DG300VC9-6W/B，75456406
燃氣壓力開關，DG40VC9-6WG/B，75457583
燃氣壓力開關，DG500VC1-6W/B，75457730
燃氣壓力開關，DG500VC1-6WG/B，75458957
燃氣壓力開關，DG17VC8D-6S32，84448004
同期，各單位統計的高爐年平均燃料比為527.57kg/t，比215年升高1.8kg/t。這一時期，各單位統計的高爐焦比升高3.7kg/t，小焦比下降.22kg/t，煤比下降1.9kg/t，實際燃料比應是升高1.58kg/t。與215年同期相比，有31家企業的燃料比在升高。一些企業因高爐原燃料質量惡化、熱風溫度變化、操作水平變化等因素，焦比和煤比同時升高，使燃料比升高。同期，有15家企業出現了焦比升高幅度大于煤比降低的幅度，使煉鐵燃料比升高。
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