钒铁

The small size particles produced during ferrovanadium sizing operation are formed into nitrided briquette so as to obtain nitrided ferrovanadium, The effect of ferroalloy size, pressure, nitriding temperature and nitniding time was studied on the nitrogen content of the product.

对高钒铁合金精整过程中产生的细颗粒物料进行压块渗氮，得到氮化钒铁产品，研究了合金粒度、压块压强、渗氮温度、渗氮时间对产品含氮量的影响。

An ICP AES method for the determination of Cu,Si,Al,P,Cr,Ni,Mn,W in ferrovanadium has been established, based on the selection of proper wavelength and background correction.

叙述采用等离子发射光谱法同时测定钒铁中的铜、硅、铝、磷、铬、镍、钨、锰等微量元素，试样用稀王水分解，选择适当的波长与背景校正进行分析测定，方法回收率在 95%～ 1 0 5%之间，相对标准偏差均小于 4%，本方法快速准确，精密度良好。

In the end. the application of the Zr-V-Fe getter in the electronic device, vacuum technology and scientific research are introduced.

同时，介绍了锆钒铁吸气剂在电子器件、真空技术和科学研究中的应用。

Iron is recovered in the form of jarosite and ferric hydroxide that the concentrations of them determinate with dichromate method are

其中铁以黄铁钒和氢氧化铁的形式回收利用，经GB/T 223.7-2002重铬酸钾滴定法滴定其铁含量分别为72.37％，62.0％己达到可综合利用的水平。

Produce the BF gas mud 100, OOOt every year. The raw mineral of puddling is the magnetite containing vanadium and titanium. The grade of iron is only 53%. The grade of sinter mineral is only 47-48%. So the percentage composition of iron is relatively low, only 29.70%. The grade of zinc is relatively high, reach 9.92%. And the percentage composition of carbon is relatively high, reach 16. 80%. In the next place, the BF gas mud is the production through sinter in high temperature.

攀钢炼铁的原矿物为钒钛磁铁矿，铁品位仅为53％，烧结矿品位为47％～48％，所以攀钢高炉瓦斯泥的铁品位也相对较低，仅为29.70％，并且含锌量高，达到了9.92％，含碳则高达16.80％；其次高炉瓦斯泥是高炉冶炼过程中的产物，SiO_2、Al_2O_3和铁部分熔融在一起，选矿难度增加。

Further,semisteel,V_2O_5 flakes and titanium dioxide are achieved separately according to vanadium recovery from hot metal/vanadium slag and titanium recovery from titanium-beating sl.

通过进一步的铁水提钒、钒渣提钒和硫酸法提钛处理，生产出合格的半钢、片状 V_2O_5和钛白产品，元素回收率分别达到88%、 42%和75%，最终实现了铁、钒、钛的分离和综合回收利用。

The high iron and low silica sintering of titaniferous iron concentrate was realized with optimal proportioning ore under the present condition in Panzhihua New Steel and Vanadium Limited Company.

在攀枝花新钢钒股份有限公司炼铁厂现有的资源条件下，通过优化配矿实现含钛铁精矿高铁低硅烧结，烧结矿全铁的质量分数从49.20%提高到51.46%，SiO2的质量分数从5.30%降低到4.05%。

In 1973 the Institute of Chemical Metallurgy was engaged to carry out research on fluidizcd roasting of titaniferous iron ore containing vanadium, with the special objective of utilizing the local resources of natural gas and hydraulic electric power, by reduction of the ore with a hydrogen-rich gas followed by melting of the reduced cinder in an electric furnace in order to separate the iron from a slag rich in vanadium and titanium.

化工冶金研究所于1973年接受了&流态化焙烧还原钒钛铁矿&的任务，要求结合当地资源，用天然气还原铁精矿，用水力发电熔化焙砂，再从熔渣中提取钒和钛。我们对流态化还原的若干方面开展了试验研究，包括铁精矿还原反应数据的获得和有关分析，以及可供应用的两种流态化反应器的工程研究。第一种是气控式多层流态化床，第二种是快速流态化反应器。此外，对于流态化还原中的失流以及熔砂的渣～铁分离和从熔渣中提取钒钛，也进行了试验研究。

On the basis of the above,aiming at its characteristics and improving recovery rates of elements,the developing direction of comprehensive utilization of vanadium-bearing titanomagnetite is put forward to realizing the recoveries of iron,vanadium,and titanium all together.

在此基础上，针对钒钛磁铁矿特点和提高元素回收率的目标，提出了今后实现铁、钒、钛全面回收利用的钒钛磁铁矿资源综合利用发展方向。

The effect of roasting temperature and time,and kind of sodium agent and proportioning on the roasting of Panzhihua V-Fe concentrate was studied.

研究了焙烧温度、焙烧时间、钠化剂种类、配比等对攀枝花钒铁精矿焙烧的影响，得出了焙烧阶段最佳条件为焙烧温度为1 300℃、焙烧时间为120 min、Na2CO3含量为6%。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。