直接还原,direct reduction
1)direct reduction直接还原
1.Producing iron nuggets with direct reduction from coal mixed pellets;内配煤团块直接还原法制备铁粒技术研究
2.One-step process for direct reduction of Xinjiang magnetite concentrate;一步法直接还原新疆磁铁精矿
3.Experimental investigation of direct reduction of Brazil Carajas iron-rich hematite fines;巴西赤铁矿富矿粉直接还原试验研究
英文短句/例句

1.direct reduced iron直接还原直接还原
2.To thinking of the quality of DRI two parts, namely direct reduction and steelmaking on electric furnace must be considered.直接还原铁质量,必须兼顾直接还原生产和电炉炼钢两个生产环节。
3.Study on Behaviors of Red Mud Direct Reduction and Reduction Reinforcement赤泥直接还原反应行为及其还原强化研究
4.STUDY ON PELLETIZING DIRECT REDUCTION PROCESS OF HIGH Sn, Zn, As CONTENT IRON ORE CONCENTRATES高锡锌砷铁精矿球团直接还原的研究
5.Technology of Direct Reducing and Alloying of Vanadium Oxide in EAF/Ladle电弧炉/钢包钒渣直接还原合金化工艺
6.It was commissioned in 1997.该直接还原铁厂已于1997 年投入运行。
7.The Application of DRI to Steelmaking in CFHI直接还原铁在一重炼钢生产中的应用
8.Present Status and Development Trends of DRI Processes at Home直接还原铁在我国的发展现状及前景
9.The Experimental Research on Direct Reduction of Iron Scrap Immixed with Waste Plastics;内配废塑料铁鳞直接还原的实验研究
10.Development and Prospect on Coal-based Direct Reduction Iron in China我国煤基直接还原铁发展现状及前景
11.Estimation of Using Reducing Gas from Garbage to Produce Direct Reduced Iron垃圾制燃气生产直接还原铁工艺估算
12.Industrial Trial on Direct Reduction Iron Production by Rotary Hearth Furnace转底炉生产直接还原铁的工业性试验
13.Effects of Different Types of Coal on Direct Reduction of Refractory Iron Ore煤种对某难选铁矿石直接还原的影响
14.Study on model and experiment of Mn Ore Smelting Reduction in BOF Process锰矿直接还原合金化模型与实验研究
15.Preliminary numerical simulation of shaft furnace process for DRI production竖炉生产直接还原铁过程的数值模拟
16.Effects of technical factors on iron nuggets separated from slag by Wcomet processWcomet直接还原法渣铁分离影响因素研究
17.Technique and Estimation of Using Reducing Gas from Iron Ore-coal Briquette to Produce Direct Reduced Iron铁矿煤球团内生还原气生产直接还原铁工艺及估算
18.STUDY ON THE PREPARING MANGANESE SULFATE FROM DIRECTLY REDUCTIVING PYROLUSITE软锰矿直接还原浸取制备硫酸锰的研究
相关短句/例句

direct reduced iron直接还原铁直接还原铁
3)direct reduction iron直接还原铁
1.Automation for manufacturing process of direct reduction iron;直接还原铁生产过程自动化
2.The reason why no evident development of coke oven gas(COG) to make direct reduction iron(DRI) was analyzed.分析了焦炉煤气生产直接还原铁没有发展起来的原因,介绍了焦炉煤气生产直接还原铁的4种工艺流程及国内外用焦炉煤气生产直接还原铁试验与研究进展情况等,认为山西省具备了用焦炉煤气大规模生产直接还原铁的基本条件,应积极争取条件,大规模发展焦炉煤气生产直接还原铁。
3.The suggestion was made to utilize the coke oven gas as the reductant of iron ore to produce direct reduction iron(DRI) in a shaft furnace.建议利用焦炉煤气作为铁矿石的还原剂 ,在竖炉中生产直接还原铁 ;论述了其基本工艺过程和技术上的可能性及经济上的合理性。
4)DRI直接还原铁
1.Production practice of applying DRI in steelmaking for retained mandrel steel;直接还原铁在限动芯棒钢冶炼中的生产实践
2.Controlling DRI Quality;DRI直接还原铁质量控制
3.DRI AS A SUBSTITUTE OF SCRAP USED FOR STEELMAKING IN ELECTRIC ARC FURNACES;直接还原铁作为废钢替代品在电弧炉中的应用
5)Direct reduced iron直接还原铁
1.Analysis on the effect of application of direct reduced iron in converters;直接还原铁在转炉的应用效果分析
2.Determination of metallic iron in direct reduced iron by potassium dichromate titration after decomposition of sample by ferric chloride三氯化铁分解重铬酸钾滴定法测定直接还原铁中金属铁
3.Recycling reducing gas was heated to 1 100 ℃ with blast furnace gas,fuel gas from garbage power,low caloric value gas or with heat from hot coke,hot direct reduced iron (DRI),or other heat in a hot-blast stove.在高炉热风炉中用高炉煤气、垃圾制燃气、低热值煤气加热循环还原气,或用红焦、热DRI(直接还原铁)等热量加热循环还原气至1100℃,输入还原竖炉加热铁矿煤球团,生产DRI,从炉顶气中回收硫和CO2,炉顶气净化后作为还原气循环使用。
6)DR(Direction Reduction)直接还原(DR)
延伸阅读

直接还原直接还原direct reduction zhIJie huanyuan直接还原(direet reduetion)用固体碳将金属氧化物还原成金属的过程,属还原熔炼范畴。在还原中当有固体碳存在时,还原过程分两步进行。首先是CO将金属氧化物还原: MeO十CO一Me+CO:式中Me代表某一金属。反应生成的COZ与固体碳进行碳的气化反应,即布多尔(Boudouad)反应: COZ+C一ZCO重新产生的CO维持反应的继续进行。 直接还原过程中气相成分取决于碳的气化反应当温度高于1273K时,CO:几乎全部转变成厂CO,气相中的CO:可忽略不计。而温度低于1273K时,CO:不能全部转变为CO,气相由CO及CO:二者共同组成。因而大致可以以1273K为分界来研究直接还原的有关过程。