Results 1 to 10 of about 51 (51)
采用TMT-20重金属捕集剂沉淀+氧化沉淀+精滤工艺对冶炼废水进行深度处理与回用,工程改造及调试运行结果表明,处理出水可满足《铅锌工业污染物排放标准》(GB 25466-2010)水污染物特别排放限值的要求。处理后废水全部回用于冲渣工段及湿式除尘系统,每年可回用水21.6万m3,节约新鲜水费108万元。该项目年减排CODCr12.96 t,总锌319.68 kg,总铅15.12 kg,总镉14.04 kg,总砷41.04 kg,总汞1.94 kg。该综合治理工程具有明显的环境效益、经济效益和社会效益。
崔燕平, 曾科
doaj
A Test on Desulphurization of 12CaO•7Al2O3 Based Refining Slag
The pre-melting process of12CaO·7Al2O3and the desulphurizing ability of12CaO·7Al2O3based refining slag containing 10%-20%BaO, 2%-6% MgO, 1%-3%Li2Oand(12CaO·7Al2O3)/SiO2=8~10on low carbon steel liquid (% :0.23C, 1.29Mn, 0. 44Si, 0. 026P, 0.023S, 0.04Mo, 0.
曹余良 +4 more
doaj
A Study on Desulphurization of Bearing Steel GCrl5 with LF Bearing BaO Refining Slag Series
The effect of ingredient of LF refining slag series (/% : 28. 75 ~ 58. 05CaO, 12. 50 〜32. 43A12O3, 0 ~ 15BaO, 8 ~ 20SiO2, 6MgO, 10CaFz) on desulphurization of high carbon chromium bearing steel GCrl5 (/% : 0. 99C, 1. 45Cr, 0. 034S) has been studied by Mo
杨吉春 +3 more
doaj
Effect of Embedding Arc Refining Slag on Heat up Rate of Molten Steel in a 60t Ladle Furnace
Based on research of refining slag series by 55~75kg experimental ladle furnace (LF),the commercial production experiment of embedding are refining slag in a 60t ladle furnace has been carried out using three kind of slag:S1 slag-63.6~70.0 lime,22.7~25 ...
刘润藻 +3 more
doaj
Physical Simulation of Inclusion Removal and Slag Entrapment in 210 t RH Refining Process
Effect of steel works 210 t RH refining treatment time, driving gas flow rate, vacuum, number of stomata and immersion depth on inclusion removal and the effect of bottom-blowing pattern and gas flow rate on amount of slag entrapment have been studied by
迟云广 +4 more
doaj
With using Factsage thermodynamic calculation and test in laboratory, the effect of basicity (R)2.5 -5.4, Al2O3(14%-30% ) and MgO (3%-15% ) content on mineralogical phases precipitation in CaO-Al2O3-SiO2-MgO quaternary refining slag for bearing steel ...
唐国章 +3 more
doaj
Optimization of Process Operation and Power Supply Scheme for 150 t LF
The 150t ladle furnace (LF) refining main steels are beam steels for car and wheel steels etc, with production flow sheet 150 t converter-150 t LF-slab casting-continuous rolling. With decreasing the 150t LF average initial slag basicity form 3.
王义芳 +4 more
doaj
With the thermal compensation technology including using CO secondary burning, 3.5% ~5.0% Si high carbon ferrochromium and alloys baking, the reduced product SiO, decreases by 800 kg to increase the deoxidation ability of silicon; with controlling AOD ...
王百顺 +5 more
doaj
The effect of control of 50 t LF refining slag (FeO) , (MnO),/R,( CaO)/[(Al2O3) (SiO2) ] and (S) on [0] index, sulfur partition ratio and Mn/S has been tested and analyzed.
戴永刚
doaj
The effect of argon blowing rate (150 ~450 IVmin) and argon blowing location at ladle bottom (ladle center to 3/4 radius of submerged snorkel) on average flow rate at metal-slag interface in 130 t single snorkel furnace with desulphurizing top slag is ...
芮其宣, 成国光
doaj

