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dephosphorization
相关语句
  脱磷
    THE INJECTION REDUCTION DEPHOSPHORIZATION PROCESS(IRD) FOR HIHG ALLOY STEEL AND ITS INDUSTRIAL APPLICATION
    高合金钢喷射还原脱磷法(IRD)及其工业应用
短句来源
    REDUCING DEPHOSPHORIZATION OF HIGH CHROMIUM MOLTEN STEEL WITH CaSi
    高铬钢液用CaSi还原脱磷
短句来源
    NEW PROGRESS IN RESEARCH AND APPLICATION OF Ba-SERIES SLAG FOR DEPHOSPHORIZATION IN STEELMAKING
    炼钢用钡系渣脱磷的研究与应用取得新进展
短句来源
    SOME PHENOMENA DURING DEPHOSPHORIZATION OF HOT METAL BY SODA ASH IN 400 TON TORPEDO CAR
    用苏打灰在400吨鱼雷车中进行铁水脱磷
短句来源
    The Theoretical Analysis of the Speed of the Dephosphorization and Desulfur-ation of the Oxygen Top-Blown Converter
    从理论上分析氧气顶吹转炉的脱磷与脱硫的速率
短句来源
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  去磷
    It is advantageous for dephosphorization to adding appropriate MgO to the slag. Phosphorus is mainly distributed over C_2S phase in cold slag.
    渣中加入适量MgO有利于去磷,冷凝渣中磷主要分布在C_2S相中。
短句来源
    The possibility of reducing dephosphorization of high vanadium steel and high chromium steel with aluminium\|magnesium alloy has been investigated using thermodynamic analysis. The commercial melting testing for producing steel 0Cr18Ni9Ti and steel W6Mo5Cr4V2 dephosphorized with aluminium\|magnesium alloy has been carried out, with the phosphor in steel decreasing from 0.039% to 0.021% and 0.043% to 0.030% respectively.
    通过热力学分析探讨了铝镁合金还原去磷的可能性 ,并在冶炼 0Cr1 8Ni9Ti钢和W6Mo5Cr4V2钢中用铝镁合金进行还原脱磷工业性试验 ,钢液中的磷分别从 0 .0 39%降至 0 .0 2 1 %及从 0 .0 43%降至 0 .0 30 %。
短句来源
    Analysis of Some Related Thermodynamic Problems in Stainless Steel Refining Process (Ⅱ)——Dephosphorization and Chromium Conservation of Chromium Containing Liquid Iron
    不锈钢冶炼过程中相关热力学问题的解析(Ⅱ)——含铬铁水的去磷保铬
短句来源
    Thermodynamics of Dephosphorization and Chromium Conservation of Cr Bearing Hot Metal in the Early Stage of AOD Process
    AOD前期含铬铁水去磷保铬的热力学分析
    Furthermore,if 3-5% Na_2CO_3 is added into the above flux,the dephosphorization ratio is as high as 66%,Δ[%P] can reach 0.374.In this condition Δ[%C] is less than 0.10 and the utilization ratio of lime is about 63%.
    添加3~5%Na_2CO_(?) 的石灰系复合熔剂,使脱磷脱硫率都得到提高,脱磷率为66%,绝对去磷量最大达0.374%,氧化钙利用率提高到62.95%,而脱碳量在0.10%以下。
短句来源
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  脱磷作用
    Study on Molten Steel Desulphurization Dephosphorization by Effect of Synthetic Refining Slags
    合成精炼渣对钢水脱硫脱磷作用的研究
短句来源
    The project carried out thermal simulation experiment according to some performance properties of refining in laboratory and analysed the crucial factors that affects dephosphorization and desulphurization.
    在实验室内进行热模拟实验,系统分析了影响精炼渣脱硫脱磷作用的关键因素。
短句来源
    It was found that a treatment with a sode-containing slag, though very effective in the dephosphorization of liquid pig-iron, is quite useless for liquid ferro-manganese, but that the same reagent can dephosphorize granular farro-manganese at about 900℃, with a dephosphorization rate of 60~70%.
    试验结果指明,对铁水脱磷很有效的苏打渣处理,对液态锰铁的脱磷效果很差,但在900℃左右,能对粒状锰铁起显著脱磷作用,脱磷率约60~70%,满足炼钢锰铁的要求。
短句来源
    Results show that this slag system is effective in dephosphorization without any adverse influence on the desufurization of Liquid steel.
    结果表明,该渣具有明显脱磷作用,同时不影响脱硫过程。
短句来源
    The manganese activity increases with decreasing carbon content of the liquid, and has a defective action on the oxidative dephosphorization and the manganese conservation, but an effective action on the reductive dephosphorization by calcium.
    碳含量降低 ,锰活度将增加 ,不利于氧化脱磷和保锰。 碳含量高将抑制钙的还原脱磷作用
短句来源
  “dephosphorization”译为未确定词的双语例句
    DEPHOSPHORIZATION BY Na_2CO_3 IN COMBINED BLOWING CONVERTER
    转炉内Na_2CO_3处理生产低磷钢工艺试验研究
短句来源
    Effect of Adding Li_2O, Na_2O, K_2O and BaO into Lime-Based Fluxes on Dephosphorization Controlling of Liquid Steel
    向CaO基熔剂中添加Li_2O,Na_2O,K_2O和BaO对钢水回磷控制效果的影响
短句来源
    Control on Factors Influencing Phosphorus Reversal of Hot Metal in 320t Torpedo during Dephosphorization Process
    320t鱼雷罐脱硫工艺铁水回硫因素控制
短句来源
    Simulation on transport dynamics of hot metal dephosphorization pretreatment by powder injection in torpedo(Ⅰ):study on the mixing time and powder-penetration ratio
    鱼雷罐喷粉预处理传输动力学物理模拟(Ⅰ):均混时间和粉剂穿透比研究
短句来源
    Simulation on transport dynamics of hot metal dephosphorization pretreatment by powder injection in torpedo(Ⅱ): study on the residence time of powder
    鱼雷罐喷粉预处理传输动力学物理模拟(Ⅱ):粉剂停留时间研究
短句来源
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  dephosphorization
In order to reduce the quantity of the disposal slag, the complete removal of silicon from molten pig iron is considered very effective before the dephosphorization in the pretreatment process.
      
One of the most important problems in the steelmaking process is an increase of the disposal slag mainly discharged from the dephosphorization process.
      
Dephosphorization of ferromanganese using BaCO3-based fluxes by submerged injection of powders: A preliminary kinetic study
      
Additionally, the factors affecting dephosphorization and chromium retention of the fluxes are also investigated.
      
A thermodynamic study of BaO-BaF2-Cr2O3 system fluxes used for dephosphorization of chromium-containing iron melts
      
更多          


Bath reactions during the oxidizing period of electric-furnace steelmaking withinjection were studied. It is found that,under favourable conditions,a rate of carbon removal ofabout 0.015—0.020%C per minute(that of the normal smelting with ore beingaround 0.005% C per minute only)may be obtained;(FeO)and[O]decreasesignificantly and approach to equilibrium with[C]during the oxidizing period,andthe decrement of[O]increases proportionately with the increase of the rate ofcarbon removal.Dephosphorization during the...

Bath reactions during the oxidizing period of electric-furnace steelmaking withinjection were studied. It is found that,under favourable conditions,a rate of carbon removal ofabout 0.015—0.020%C per minute(that of the normal smelting with ore beingaround 0.005% C per minute only)may be obtained;(FeO)and[O]decreasesignificantly and approach to equilibrium with[C]during the oxidizing period,andthe decrement of[O]increases proportionately with the increase of the rate ofcarbon removal.Dephosphorization during the oxidizing period is found to be rather ineffective,the average[P]removed amounts to about 0.004% only.With a supplementaryoperation of dephosphorization during the melting period,[P]can be reduced toless than 0.015% at the end of oxidizing period.However,the dephosphorizationmechanism in the case of the oxygen smelting is still not yet clear.

研究了电炉吹氧冶炼氧化期的熔池反应。观察到:在良好的操作情况下,吹氧冶炼的脱碳速度可以达到0.015—0.020%C/分钟(矿石冶炼的只有0.005%C/分钟左右);吹氧过程中,(FeO)和[O]显著降低并与[C]趋近平衡,[O]的减少量与脱碳速度间有直线关系。并注意到吹氧冶炼氧化期脱磷效果较差,平均脱磷量仅为0.004%左右;采用熔化期脱磷操作后,氧化期末[P]可以降低到小于0.015%。至于吹氧冶炼的脱磷过程,目前还不完全了解。

Experimental work on oxygen steelmaking in a 5 ton bottom blown converter is described, both with and without lime powder injection. With lime powder injection, decarburization and dephosphorization take place simultaneously. The metal has a higher residual manganese. Desulphurization efficiency is higher and FeO content in the slag lower than in the BOF process, under similar conditions of temperature and slag composition. In addition, a higher oxygen flow rate is allowable in the bottom-blown process....

Experimental work on oxygen steelmaking in a 5 ton bottom blown converter is described, both with and without lime powder injection. With lime powder injection, decarburization and dephosphorization take place simultaneously. The metal has a higher residual manganese. Desulphurization efficiency is higher and FeO content in the slag lower than in the BOF process, under similar conditions of temperature and slag composition. In addition, a higher oxygen flow rate is allowable in the bottom-blown process.

本文叙述首钢5吨底吹氧气转炉喷石灰粉吹炼低磷铁的工艺,分析其冶金效果.底吹氧气转炉喷石灰粉炼钢,具有脱碳、脱磷同时进行和较顶吹氧气转炉有较高的余锰含量、更高的脱硫效率、更大的供氧强度和较低的渣中(FeO)含量等冶金优点.由顶吹氧气转炉炉身改造的5吨底吹氧气转炉,已取得与同车间同吨位顶吹氧气转炉相当的炉令.载粉吹氧的氧枪单位消耗为1.65毫米/炉.钢铁料消耗为1126公斤/吨钢,金属收得率为92.5%,比顶吹高2%.底吹氧气转炉喷石灰粉炼钢,因供氧方式影响了氧化机理、反应速度和反应接近平衡的程度,所以与不喷粉的底吹氧气转炉炼钢,以及顶吹氧气转炉炼钢有不同的冶金特性.

Bottom-blown converters have many tuyeres at bottom to blow in oxygen, and at the same time to inject lime powder through the tuyere with oxygen. Thus, they have advantages such as: quiet blowing, high metal yields, outstanding desulfurization and dephosphorization, intense mixing of the bath resulting in rapid carbon removal to very low levels. Since the installation of the first production unit to date, the new steelmaking process has reached an installed capacity of 35 million T/y, and new progress...

Bottom-blown converters have many tuyeres at bottom to blow in oxygen, and at the same time to inject lime powder through the tuyere with oxygen. Thus, they have advantages such as: quiet blowing, high metal yields, outstanding desulfurization and dephosphorization, intense mixing of the bath resulting in rapid carbon removal to very low levels. Since the installation of the first production unit to date, the new steelmaking process has reached an installed capacity of 35 million T/y, and new progress has been made in technology by Q-BOP/OBM. For example, at the Kawasaki Chiba works, gas recovery for Q-BOP is 125.5 Nm~3/T. The life of furnace lining for one campaign is 3150 heats and bottom life for one campaign 1646 heats. Turn-down performance of existing Q-BOP facilities is 96.1%. All these major advantages will certainly bring bottom-blown oxygen converter process a very bright future.

氧气底吹转炉的主要特点是在炉底多氧枪供氧,同时可以随氧流喷入石灰粉.因此它具有以下特点:吹炼平稳、金属收得率高;脱磷、脱硫好,熔池搅拌好,易于冶炼低碳钢.从氧气底吹转炉第一座设备投产到现在已有3500万吨的生产能力,而且在Q-BOP/OBM的技术上取得新的进展.例如日本川崎千叶厂,O-BOP的煤气回收率达125.5标米~3/吨,炉体寿命达到3150炉,炉底寿命1646炉,Q-BOP转炉终点命中率达到96.1%.这些将给氧气底吹转炉的发展指出光明的前景.

 
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