进口系列英标槽钢材料介绍
冶金矿产：为了进步微细粒物料过滤的功率，过滤机正围绕着下降滤饼和过滤介质阻力的方向在改善，如增加絮凝剂和助滤剂，选用合理的过滤介质等。陶瓷过滤机即归于织物介质外新式多孔固体介质的运用。－精矿和尾矿运送技能澳大利亚怒江选矿厂选用了f244mm长约9km的长距离铁精矿运送管道，其泵站配有4×45kW电动机驱动的柱塞泵排出压力15～141MPa运送铁精矿25万t/a，运用率达97%。浓度超越4%的尾矿水力运送技能正在逐步推广之中。
英标槽钢规格表：
PFC125x65x15 125x65x5.5x9.5 14.8 S355JR/J0/J2
PFC150x75x18 150x75x5.5x10 17.9 S355JR/J0/J2
PFC150x90x24 150x90x6.5x12 23.9 S355JR/J0/J2
PFC180x75x20 180x75x6x10.5 20.3 S355JR/J0/J2
PFC180x90x26 180x90x6.5x12.5 26.1 S355JR/J0/J2
PFC200x75x23 200x75x6x12.5 23.4 S355JR/J0/J2
PFC200x90x30 200x90x7x14 29.7 S355JR/J0/J2
PFC230x75x26 230x75x6.5x12.5 25.7 S355JR/J0/J2
PFC2300x90x32 230x90x7.5x14 32.2 S355JR/J0/J2
PFC260x75x28 260x75x7x12 27.6 S355JR/J0/J2
PFC260x90x35 260x90x8x14 34.8 S355JR/J0/J2
PFC300x90x41 300x90x9x15.5 41.4 S355JR/J0/J2
PFC300x100x46 300x100x9x16.5 45.5 S355JR/J0/J2
PFC380x100x54 380x100x9.5x17.5 54 S355JR/J0/J2
PFC 430x100x64 430x100x11x19 64.4 S355JR/J0/J2
英标槽钢理论重量表：
英标槽钢 CH229x89x33 228.6x88.9x8.6x13.3 32.7 S355JR/J0/J2
英标槽钢 CH254x76x28 254x76.2x8.1x10.9 28.2 S355JR/J0/J2
英标槽钢 CH203x89x30 203.2x88.9x8.1x12.9 29.8 S355JR/J0/J2
英标槽钢 CH152x76x18 152.4x76.2x6.4x9 17.9 S355JR/J0/J2
英标槽钢 CH152x89x24 152.4x88.9x7.1x11.6 23.9 S355JR/J0/J2
英标槽钢 CH178x76x21 177.8x76.2x6.6x10.3 20.8 S355JR/J0/J2
英标槽钢 CH254x89x36 254x88.9x9.1x13.6 35.7 S355JR/J0/J2
英标槽钢 CH305x89x42 304x88.9x10.2x13.7 41.8 S355JR/J0/J2
英标槽钢 CH178x89x27 177.8x88.9x7.6x12.3 26.8 S355JR/J0/J2
英标槽钢 CH203x76x24 203.2x76.2x7.1x11.2 23.9 S355JR/J0/J2
英标槽钢 CH229x76x26 228.6x76.2x7.6x11.2 26.1 S355JR/J0/J2
英标槽钢 CH305x102x46 304.8x101.6x10.2x14.8 46.2 S355JR/J0/J2
英标槽钢 CH381x102x55 381x101.6x10.4x16.3 55 S355JR/J0/J2
英标槽钢 CH432x102x65 431.8x101.6x12.2x16.8 65.5 S355JR/J0/J2
英标槽钢 CH76x38x7 76.2x38.1x5.1x6.8 6.7 S355JR/J0/J2
英标槽钢 CH102x51x10 101.6x50.8x6.1x7.6 10.4 S355JR/J0/J2
英标槽钢 CH127x64x15 127x63.5x6.4x9.2 14.9 S355JR/J0/J2
英标型钢：
为了确保喷吹进程的安稳性和喷口的疏通，宜选用高压喷吹，即喷嘴出口压力要高于喷嘴出口处的临界压力，在以氮气为载体的铁水预处理条件下，喷吹镁粒的临界压力约为喷口外部压力(铁水静压力+大气压力)的1.7倍。低于临界压力喷吹时，铁水的动摇使喷口处的压差P处于不安稳状况，能够扰乱整个供气体系不能安稳，即呈现脉冲现象，乃至构成喷口或体系阻塞。高于临界压力的喷吹，流股不受外界p的搅扰，因此能完结无脉冲的安稳喷吹。
