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脱磷
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  dephosphorization
    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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  dephosphorization effect
    The results show that when the operation design case 4, 16% ~19% slag volume, and 13t lime consumption are used, the dephosphorization effect of smelting medium phosphorus hot metal is the best.
    结果表明,采用方案4,渣量在16%~19%,石灰用量在13t左右,转炉脱磷效果较好。
    STUDY ON FACTORS INFLUENCING DEPHOSPHORIZATION EFFECT IN LD BY PATTERN RECOGNITION METHOD
    模式识别方法研究影响转炉炼钢脱磷的因素
短句来源
    Study on Dephosphorization Effect of CaO-based Flux in Liquid Steel Secondary Refining
    钢液二次精炼中CaO基熔剂脱磷效果的研究
短句来源
    The main conclusions are summarized as follows: With suitable composition CaCl_2-containing slag can simultaneously remove phosphor and sulphur from iron melts at refining temperature, and its dephosphorization effect is better than that of CaF_2-containing slag. This probably is due to stable compound Ca_5(PO_4)_3Cl which exists in CaCl_2-containing slag.
    结论如下:只要配比合适,在精炼温度下,含CaCl_2渣具有同时脱磷、脱硫的作用,而且脱磷效果明显优于含CaF_2渣,这很可能与含CaCl_2渣中生成稳定的Ca_5(PO_4)_3Cl有关;
短句来源
    The dephosphorization effect of flux containing Na_2CO_3, CaO etc. in converter and the influe-nce of some affecting factors have been studied in a converter model. It is shown that the P content of liquid steel with midium or low carbon may be easily reduced to<0.010% by using 3~ 5 kg Na_2CO_3/t.
    实验室内用模型复吹转炉研究了含Na_2CO_3、CaO等混合脱磷剂炉内脱磷效果及若干工艺因素的影响,试验证明,吨钢Na_2CO_3用量3~5kg可使中、低碳钢液磷含量降至<0.010%。
短句来源
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  “脱磷”译为未确定词的双语例句
    STUDY ON DEPHOSPHORIZING CAPABILITY OF CaO-CaF_2-SiO_2 SLAGS
    CaO-CaF_2-SiO_2渣系脱磷能力的研究
短句来源
    Effect on the Dephosphorizing Ability of BaO-based Slags for Stainless Liquid Steel
    BaO基渣系对不锈钢脱磷能力的影响
短句来源
    DDephosphorization of GCr15 Bearing Steel with BaCO3 Slag in Deoxidation Period
    GCr15轴承钢还原期的BaCO_3渣脱磷
短句来源
    Full Electron System Slag Thermodynamics Applied to De phosphorized BaO-Base Slag System
    全电子系炉渣热力学在BaO基脱磷渣系中的应用
短句来源
    EXPERIMENTAL RESEARCH FOR THE DEPHOSPHORIZING OF IF STEEL IN LADLE
    IF钢水炉外脱磷的实验研究
短句来源
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  dephosphorization
Dephosphorization of a sphene concentrate with dilute mineral acids
      
The dephosphorization parameters for sphene concentrates are determined.
      
The dephosphorization efficiency decreases in the following order: HCl >amp;gt; H2SO4 >amp;gt; HNO3.
      
Alkali-leaching and acid-leaching were proposed for the dephosphorization of Changde iron ore, which contains an average of 1.12% for phosphorus content.
      
While dephosphorization of hot metal is theoretically ruled out in the Indian context, dephosphorization of liquid steel can also not be considered because of its adverse effect on ladle refractories and steel cleanliness.
      
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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.

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 has been...

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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