The shortage of contact shoe in ore smelting electric arc furnace is analysed from its performance.
从矿热炉对铜瓦的性能要求方面分析了铸造铜瓦的缺陷。
General method and other new technologies of ore smelting electric arc furnace starting-up are introduced.
介绍了矿热炉开炉的一般方法和两种开炉新工艺。
An ore smelting electric are furnace with low-frequency electric power could save electric energy and electrode, and raising their production furthermore.
低频电源应用于矿热炉中，能提高产量，节约电能与电极。
The structure, characteristics of water cooled cable in busbar and some parts material selection are all introduced about 30MVA ore smelting electric arc furnace.
介绍了30MVA矿热矿短网系统中水冷电缆的结构、特点，以及其中某些零件材质的选用。
The ore will be heated toalmost 2, 000 degrees Celsius (3, 600 degrees Fahrenheit) during smelting.
在熔炼过程中，矿石将要被加热到几乎摄氏两千度（华氏三千六百度）。
The smelting reduction process saves energy and lessens pollution through using of ore fines without any pretreatment and agglomeration.
由于使用无需任何预处理和造块的矿粉，熔融还原法既可节能、又能减少污染。
Conclusions Ore mining and smelting induces high-arsenic drinking waters, resulting in arsenism prevalence in Shangluo City.
结论矿物冶炼和开采引起水砷污染，导致砷中毒在陕西省商洛市流行。
The quality improvement of sinter ore is the basic measures for BF smelting and high efficiency. Methods were presented to improve the basicity according to the different ore burden.
改善烧结矿质量是强化高炉冶炼，提高效益的基本措施；通过不同外矿配比，提高烧结矿碱度达到改善烧结矿质量的途径。
The experiment of smelting HCFeCr was performed with SRC chromic ore pellets in order to reduce cost of production, increase economic benefit and look for ways of using chromic fine ore.
为了降低生产成本、提高经济效益及探索铬粉矿的利用途径，进行了SRC铬球团矿冶炼高碳铬铁的试验。
Therefore, the current domestic enterprises mainly produce ferronickel with nickel oxide ore by electric furnace smelting or blast furnace smelting.
因此，目前国内企业对进口氧化镍矿的处理主要是采用电炉熔炼或高炉冶炼生产镍铁。
Indonesia Jinchuan WP&RKA Laterite Nickel Ore Project mainly covers smelting plant area, power plant area, office & living area as well as public and auxiliary utilities.
RKA红土镍矿项目主要包括冶炼厂区、电厂厂区、办公生活区和公辅设施等。 本次招标包括施工准备阶段、工程施工阶段及工程保修阶段全部工程的监理。
At present, the domestic seven big copper smelting enterprises are close consultation, so that the 2012 pure copper smelting processing problems and international related ore enterprises negotiations.
目前，国内七大铜冶炼企业正在紧密磋商，以便就2012年精铜冶炼加工费问题与国际相关矿企展开谈判。
Using sponge iron reduced by iron ore concentrate powder as raw material, the smelting process of pure iron is investigated through non vacuum induction furnace and vacuum induction furnace.
以由铁精矿粉直接还原出来的海绵铁为原料，以非真空感应炉和真空感应炉为冶炼设备，对纯铁的冶炼工艺进行了研究与试验。
Trials of a new smelting reduction process for ferrochromium manufacture in shaft furnace with carbon bearing chrome-ore pellet was carried out by the authors.
作者就含碳铬矿球团在竖炉内熔融还原冶炼铬铁合金的新工艺进行了试验。
The several important links are analysed on smelting HC FeCr with fine india ore totally. The matters needing attention are pointed out in smelting HC FeCr with fine india ore totally.
分析了全印度粉铬矿冶炼高碳铬铁的几个重要环节，指出了全印度粉铬矿冶炼高碳铬铁应注意的事项。
Components of smelting coal and iron ore were got from technical analysis. Effective calorific value of coal, component of reductive gas and smelting heat of ore were calculated from the analysis.
经工业分析测得熔炼煤及矿石成分，并通过计算得到相应有效热值、煤气成分与熔炼热。
The paper introduces the application of programmable controller PLC in power automatic regulation system of electric ore - smelting furnaces.
本文介绍了可编程序控制器PLC在矿热电炉功率自动调节系统上的应用。
During the smelting of an iron ore containing high fluoride content in a small blast furnace, the hearth refractories were severely corroded.
在某地高氟含量铁矿石的冶炼过程中，炉缸粘土质高炉砖砖视遭到了极其严重的破坏作用。
The invention relates to the technical field of ore dressing, in particular to a mercury-antimony smelting separation process.
本发明涉及选矿技术领域，具体涉及汞锑冶炼分离工艺。
Direct reduction is an iron smelting process for producing metallic iron using gas, liquid fuels and non-coke coal as energy to reduce pellets, lump ore and fine ore under solid state.
直接还原是一种以气体、液体燃料或非焦煤为能源，使用球团矿、块矿、粉矿在固态下进行还原生产金属铁的炼铁工艺技术。
Iron is extracted from the ore by smelting in the blast furnace.
铁是通过高炉冶炼从矿石中提取的。
The method for smelting nickel-containing molten iron by use of laterite ore has the advantages of lower production cost for smelting nickel-containing molten iron and less environmental pollution.
本用红土矿冶炼含镍铁水的方法冶炼含镍铁水的产成本较低、减少 环环境污染。
When copper sulphide ore began to be used for copper smelting in ancient China is an haportant problem.
中国古代何时利用硫铜矿冶炼金属钢一直是引人注目的问题。
The mined ore should be directly put into the smelting furnace.
一期工程要求矿石直接入炉冶炼。
In the flow process of processing and smelting of ore, pumps play an important role of conveying a variety of fluids.
在矿石的选冶流程中，泵类起着输送各种流体的作用。
In the process of copper flash smelting, because the moisture contents of copper ore is a very important parameter, it must be controlled between 0.1-0.3% by pneumatic drying.
在铜闪速炉炼生产过程中，入炉铜精矿的水分是一个非常重要的参数，必须通过气流干燥过程控制在0.1 ~ 0.3%之间。
Metals produced from smelting ore rather than refining scrap or alloys.
指从矿石中提炼出来的，而不是提炼碎屑或合金而得的金属。
Smelting test showed that an alloy contained 20% Cr can be produced by shaft furnace with carbon bearing chrome-ore pellets.
热态试验表明，竖炉用含碳铬矿球团可以冶炼出含铬20%的铬铁合金。
The main technological processes are: crushing raw materials, proportioning, smelting with ore furnace, refining, casting ingot, and trimming.
主要工艺过程为：原料破碎、配料、矿热炉熔炼、精炼、铸锭、精整。
The main technological processes are: crushing raw materials, proportioning, smelting with ore furnace, refining, casting ingot, and trimming.
主要工艺过程为：原料破碎、配料、矿热炉熔炼、精炼、铸锭、精整。
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