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炉渣
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  slag
    A TEST OF TITANIA SEPARATION FROM HIGH TITANIA BEARING BLAST FURNACE SLAG
    高钛型高炉渣的渣钛分离试验
短句来源
    Process Modification of Extracting Copper Sulphate from the Cupel Furnace Slag
    从分银炉渣中提取硫酸铜工艺的改进
短句来源
    Discussion on Mineral Processing of Slag of Noranda Reactor
    诺兰达炉渣选矿工艺探讨
短句来源
    STUDY ON COPPER CONCENTRATING FROM CONVERTER SLAG OF COPPER SMELTER
    铜冶炼转炉渣选铜的试验研究
短句来源
    The Debugging and Innovation of the Convertor Slag Floatation Project in Guixi Smeltery
    江铜贵冶转炉渣选矿二期工程调试与技改
短句来源
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  furnace slag
    A TEST OF TITANIA SEPARATION FROM HIGH TITANIA BEARING BLAST FURNACE SLAG
    高钛型高炉渣的渣钛分离试验
短句来源
    Process Modification of Extracting Copper Sulphate from the Cupel Furnace Slag
    从分银炉渣中提取硫酸铜工艺的改进
短句来源
    Cleaner Production Practice of Daye Noranda Furnace Slag Dressing- works
    大冶诺兰达炉渣选矿厂清洁生产实践
短句来源
    Recovery of Titanium from Rich Titanium Blast Furnace Slag
    硫酸法由富钛高炉渣中提取钛
短句来源
    INVESTIGATION AND PRATICALITY OF BENEFICIATION FOR DAYE RUOLANDA FURNACE SLAG
    大冶诺兰达炉渣选矿的研究与实践
短句来源
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  dross slag
    Recovery of Simple Substance Zinc from Dross Slag by Air Separation
    风选回收炉渣中的单质锌
短句来源
  “炉渣”译为未确定词的双语例句
    DISCUSSION ON THE PROCESS DESIGN OF COPPERSLAG BENEFICIATION TECHNOLOGY
    铜炉渣选矿工艺流程设计探讨
短句来源
    Study on Application of Ceramic Filter in Converter Slay Concentrator
    陶瓷过滤机在转炉渣选矿厂的应用研究
短句来源
    STUDY ON SEPERATION TECGNICS OF COPPER ANDSTANNUM CONCERNING STANNUN'S SMELT SIAG
    锡冶炼炉渣铜锡浮选分离工艺研究
短句来源
    A certain iron ore belongs to typical uraniferous ferrolite deposit in which the grades of uranium and iron (U0.10%, Fe>50) reach the commercial mark.
    某铁矿为一典型含铀铁矿岩矿床,矿石中铀和铁均达到工业品位(U0.10%,Fe>50%),铀铁共生关系密切。 在通常的高炉炼铁条件下,铀与铁能达到良好分离,铀几乎完全转入炉渣
短句来源
    The total dissolved Hg concentrations generally range from 12. 5 to 426 ng/L, active Hg varies from 1. 04 to 402 ng/ L, and paniculate Hg changes between 1. 38 and 4 427 ng/L, respectively.
    颗粒态汞变化很大,最低只有1.38 ng/L,最高达4 427 ng/L。 研究表明:(1)直接与矿山冶炼活动排放物炉渣接触的溪流水污染程度最高,总汞高达4.46μg/L;
短句来源
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  slag
The penetration has a relationship with the separate distribution of slag on the weld surface.
      
Then, an observation of scanning electron microscopy (SEM) and an electronic data systems (EDS) analysis of slag were performed respectively.
      
The separate distribution of slag on the weld pool during welding and the great constriction of arc spots were confirmed by TIG welding with helium shielding gas.
      
The relationship between slag distribution and weld penetration was studied by adding aluminum powder into flux AF305 to change the distribution of slag.
      
During welding, the separate distribution of slag on the weld pool results in the great constriction of arc spots, an increase in arc spot force, and an increase in Lorentz force within the arc and weld pool.
      
更多          
  furnace slag
In this study, the effect of the fineness on the high temperature and sulphate resistances of concrete mortar specimens, produced with ground granulated blast-furnace slag (GBFS) replacing cement, is investigated.
      
Mechanisms of phosphate removal from aqueous solution by blast furnace slag and steel furnace slag
      
We report the adsorption of phosphate and discuss the mechanisms of phosphate removal from aqueous solution by burst furnace slag (BFS) and steel furnace slag (SFS).
      
A blended cement containing blast furnace slag and phosphorous slag
      
Blended cement containing blast furnace slag (BFS) and phosphorous slag (PS) is a new kind of cement.
      
更多          


A certain iron ore belongs to typical uraniferous ferrolite deposit in which the grades of uranium and iron (U0.10%, Fe>50) reach the commercial mark. Uranium is intimately associated with iron in the uraniferous iron ore. Having been investigated and tested, it is concluded that when the ore is treated as under normal iron-smelting conditions in a blast furnace, uranium can be satisfactorily separated from iron and shifted to the slag from which the recovery of uranium is uneconomical.

某铁矿为一典型含铀铁矿岩矿床,矿石中铀和铁均达到工业品位(U0.10%,Fe>50%),铀铁共生关系密切。 在通常的高炉炼铁条件下,铀与铁能达到良好分离,铀几乎完全转入炉渣。但从炉渣中尚不能经济而有效地回收铀。从铁矿原矿中提取铀受矿石岩性和铀的赋存状态的影响。含铀褐铁矿样经焙烧后用常规酸浸出法处理,铀浸出率可提高15.6~60%。高温焙烧过程加入Na_2CO_3或V_2O_5,铀的浸出率可以达到90%以上。 根据该含铀铁矿的特性,作者在结论中提出了先提铀后炼铁的综合利用原则流程。

Coal reserves and high yield clening dirt in Liuzhi Panxian Shuicheng coal field are abundant. In view of evidence based principally on chemical properties of coal dirt in this coal field and in point of economic geology with together environmental geology the possibility of its comprehn sive utilization is discussed. It is worthy to make an investigation on coal dirt in coal geologic exploration.

六盘水矿区的煤炭储量丰富,产生大量洗矸。本文主要根据该区矸石的化学性质,以经济地质学和环境地质学相结合的观点,研究其综合利用的可能性。在煤田地质勘探中,煤矸石是值得研究的。 煤矸石主要用于建筑材料、耐火粘土、沸腾燃烧和回收煤炭,有些可以提取铝化工产品,硫精矿和从炉渣中磁选铁精矿等,煤矸石综合利用工艺是处理煤矸石并获取最大经济效益的基础。

This paper presents a general introduction to the main developments of mineral processing science and technology in China in 1986,including theoretical research, pretreatment of crude ore,processes,equipment,reagents,wear-resistant materials, mathematical model and computer application,comprehensive utilization of natural resources and enviormental protection. By the instrumental analysis of PES,without the collector molecules in the pulp, the elemental sulphur was monitored on the surface of galena.In this...

This paper presents a general introduction to the main developments of mineral processing science and technology in China in 1986,including theoretical research, pretreatment of crude ore,processes,equipment,reagents,wear-resistant materials, mathematical model and computer application,comprehensive utilization of natural resources and enviormental protection. By the instrumental analysis of PES,without the collector molecules in the pulp, the elemental sulphur was monitored on the surface of galena.In this case,it is pro- ved that the mechanism of galena flotation in the collector molecule free pulp is due to the formation of elemental sulphur hydrophobic film on the mineral surface,The study of seperation between cupric ion activated pyrite and chalcocite shows that it can be effectively achieved by using chelating reagent.When tartaric acid is used,the adsorption of tartaric radicals on the surface of activated pyrite makes its hydrophi- bility increase and molecule adsorption bf collector decrease.However,it rarely ma- kes difference to chalcocite.In the pulp of nickel sulfide ore from Jinchuan Mine, the large amount of Mg(Ⅱ)is present.In the medium of alkaline,the flotability of pentlandite which is the main valuable mineral in the deposit is markedly depressed. By means of PES,AES and ESR,the investigation was made.The mechanism of Mg(Ⅱ)affection is proved to be the result of surface compound film of magnesium hydroxide being formed.The reagent of sodium meta-phosphate serves as a chelating agent and is able to dissolve the magnesium hydroxide on mineral surface so that the flotability of pentlandite can be greatly improved.The pre-adsorption of cupric ion is able to prevent the hydroxidization of pentlandite surface.In the process of shear flocculation-flotation for ultrafine wolframite,the main aim of high speed stirring is to overcome the repulsive energy barriar between ultraflne wolframite particles and facilitate the formation of flocs.As the result,the particle size of wolframite for flotation can be increased from 4.1μm to 8.5μm and rate of shear flocculation flotation is 4.1 times as quick as that of conventional flotation. Finely ground hematite can be aggregated in the presence of ultrafine magnetite which has natural magnetism.This hypothesis gives a better interpretation of selective flocculation-desliming process for the raw material of which is finely ground in Bao Tao iron oxide mine. The new point of view about rate equation of flotation model has been given in the study of flotation kinetecs.The one-to one correspondence between the integrated form of rate equation for a batch process and the distribution of rate constents at initial time is proved.The relationship between the average rate constant of flotation material presented in the cell and time t is reduced from the distribution of rate cons- tants.It is that the instantaneous decreasion rate of K(t)is directy proportional to he variance of the distribution of rate constants at any moment t. In the development of new processes and equipment,for the efficiency enhancement of raw material pretreatment,the vibrating feeding-screeningwashing process is intro- duced in Yichun tantalite-columbite mine.Screening and desliming of crude ore in co- nveying process are carried out and clogging problem in crushing circuit is avoided. Sequential branch flotation processes has been applied in practice.The reagent co- nsumption is 29.2% lower and copper grade of concentrate is 2.41% higher in Dexin Copper Mine when this technology is used.In the flotation practice of lead-zinc co- mplex ore,multi stage fine grinding and benzal-dithiophosphate are applied.The reco- very of lead and silver is up to 30% when flowsheet of selective flotation for lead, bulk flotation for zinc-sulphur and zinc-sulphur seperation is assigned.The extractive metallurgy of gold has achieved important advance.Two processing plant using car- bon-pulp method were set up,leaching recovery of gold reached to 95-98%.Pile leac- hing technology was adopted to treat ores with low gold content and metal recovery is about 70% with 0.6Kg/T of sodium cynide consumption. New types of gravity seperatiou equipment have been developed including 24m~2jig,LX-200mm double drum centrifugal concentrator and belt-vibrating sluice. Flotation machine,reagent feeder,magnetic separator and filter of latest version have been offered and apprciation from user obtained. Industry practice shows that sodium hydroxamite mixing with butylxanthate can be used to considerablly improve the technical performance in the flotation of copper oxide ore with lower expense.Research work shows that the nonionic polar collector containing bivelent sulphur like isopropylthiocarbamate(Z-200)and diethylthiocarba- mate(E-105)can be employed to extract iron oxide from copper oxide ore by means of flotation and the technical performance is obviously better than that of xanthate. Good result have been got in the flotation of galamine using organic ammonium salt as collector.In the flotation of scheelite from calcium bearing gangue mineral,a kind of collector with two radicals of opposite charge has been proved to have good sele- ctivity.SG series of sesbania and its derivatives are the new types of flocculant.They have characteristics of excellent solubility in a wide range temperature,lower energy consumption,no poisoning,no secondary contamination and high effectiveness with small amount adding and so on.High energy radiation of gamma-ray can be used to increase the efficiency of some types of collector.When water solution Aerosol-22 is exposed to the radiation of Co-60,the concentration of sulfonate will increase and the improvement of collecting ability can make the cassiterite recovery 20-30% higher. Rubber liner wear-resistant material is now widely applied in mineral processing plant.Polyurethane synthesis material has shown great advantage.The attention has been paid to materials and shape of grinding media and its technique of manufactu- ring.The hardness and some other mechanical properties can be improved when pro- per material and pretreatment of heating are assigned and therefore the consumption of media will be eonsiderablly lowered. The computer application in mineral processing field of reseach,design,techno- logy development in industry and enterprise manegment is more pubic.The explicit programm must be orgnized and the strategy must be made to strengthen the research about computer technology and develop more systematically. The advance of slag and residue treatment and utilization has be gained.Gold and iron concentrate are recovered from slag of pyrite roasting process.The further recovery can be realized by processing dross from smelting furnace.

本文介绍了1986年中国选矿科技的主要进展,包括选矿理论研究、选前作业、选矿工艺、选矿设备、选矿药剂、耐磨材料、选矿数模及计算机应用、综合利用及环境保护等方面的进展情况。采用光电子能谱在无捕收剂浮选方铅精矿的矿物表面检测到了元素硫的存在,证实了方铅矿无捕收剂浮选的机理是在方铅矿表面氧化生成疏水性的元素硫。被铜离子活化的黄铁矿与辉铜矿浮选分离的研究表明,采用有机络合剂可以实现二者的有效分离。当采用酒石酸时,酒石酸在已活化的黄铁矿表面选择性吸附增加其亲水性,同时还生成比乙基黄酸亚铜更稳定的表面络合物,减少乙基黄药的吸附量,而这两种表面效应在辉铜矿表面均不明显。金川镍矿浮选矿浆中,存在大量的 Mg~(2+),矿浆呈碱性时,Mg~(2+)对镍黄铁矿浮选有抑制作用。电子能谱和顺磁共振技术研究表明,镍黄铁矿表面羟化镁晶态膜的形成是 Mg~(2+)抑制作用的本质。六偏磷酸钠可以溶解镍黄铁矿表面的羟化镁膜,硫酸铜预先与镍黄铁矿作用,使其表面失去对 OH-的吸附活性。黑钨矿的剪切絮凝浮选,强烈搅拌的主要作用是克服粒子间存在的斥力能峰,添加长烃链捕收剂,可显著提高粒子间的引力作用能,导致黑钨矿粒子间产生絮团,使粒度分布 d_(8...

本文介绍了1986年中国选矿科技的主要进展,包括选矿理论研究、选前作业、选矿工艺、选矿设备、选矿药剂、耐磨材料、选矿数模及计算机应用、综合利用及环境保护等方面的进展情况。采用光电子能谱在无捕收剂浮选方铅精矿的矿物表面检测到了元素硫的存在,证实了方铅矿无捕收剂浮选的机理是在方铅矿表面氧化生成疏水性的元素硫。被铜离子活化的黄铁矿与辉铜矿浮选分离的研究表明,采用有机络合剂可以实现二者的有效分离。当采用酒石酸时,酒石酸在已活化的黄铁矿表面选择性吸附增加其亲水性,同时还生成比乙基黄酸亚铜更稳定的表面络合物,减少乙基黄药的吸附量,而这两种表面效应在辉铜矿表面均不明显。金川镍矿浮选矿浆中,存在大量的 Mg~(2+),矿浆呈碱性时,Mg~(2+)对镍黄铁矿浮选有抑制作用。电子能谱和顺磁共振技术研究表明,镍黄铁矿表面羟化镁晶态膜的形成是 Mg~(2+)抑制作用的本质。六偏磷酸钠可以溶解镍黄铁矿表面的羟化镁膜,硫酸铜预先与镍黄铁矿作用,使其表面失去对 OH-的吸附活性。黑钨矿的剪切絮凝浮选,强烈搅拌的主要作用是克服粒子间存在的斥力能峰,添加长烃链捕收剂,可显著提高粒子间的引力作用能,导致黑钨矿粒子间产生絮团,使粒度分布 d_(80)由4.1微米增加到8.5微米,并使浮选速度增加4.1倍。微细粒磁铁矿具有天然磁性,其周围细粒赤铁矿在磁力的作用下产生磁团聚。应用这一理论,较好的解释了包头氧化矿细磨后实现选择性团聚脱泥的工艺现象。提出了矿物浮选速度模型新见解,认为速率方程的积分形式与槽内欲浮物料的速率常数初始分布是——对应的。由 K 值分布概念导出平均 K 值随时间变化的规律、即平均 K 值的下降速率与K 值分布的方差成正比研制新设备、采用新工艺提高选前作业效率,介绍了宜春钽铌矿采用振动给矿筛洗工艺,使矿石在输送过程中实现筛分和脱泥,解决了碎矿堵塞难题。分支串流浮选工艺在生产中得到应用。德兴铜选厂采用该工艺,药耗降低29.2%,铜精矿品位提高2.41%。复杂多金属铅锌硫化矿石采用阶段细磨,苯胺黑药优先选铅,锌硫混选而后分离新工艺,使铅、银回收率提高30%以上。黄金选冶工艺获重大进展,建成两个全泥炭浆法提金厂,金浸出率可达95~98%。低品位含金矿石采用堆浸法提金工艺,浸出率为70%左右,氰化钠耗量为0.6公斤/吨。介绍了重选新设备,包括24米~2大型跳汰机、LX-2000毫米双转鼓离心选矿机和振动皮带溜槽。浮选机、加药机、磁选机、过滤机均有新产品推出,受到用户欢迎。生产实践表明,异羟肟酸钠与丁黄药混用浮选氧化铜矿石,精矿品位及回收率均显著提高,且药费降低。研究结果表明,Z-200和酯105这两种含硫非离子型极性捕收剂从氧化铁矿石中浮选氧化铜,其指标明显优于黄药。以胺盐作为捕收剂浮选异极矿,获得了好的结果。一种以两性化合物为基础的混合药剂,从含钙脉石矿物中浮选白钨矿,显示出良好的选择性。SG 型田菁胶及其衍生物是一种新型絮凝剂,该类药剂具有溶解水温范围宽、节能、无毒、不会造成二次污染、用量少等优点。某些药剂经γ射线辐照,可以提高捕收性能。以钴60辐照 Aerosol-22的水溶液,可使溶液中的磺酸盐含量增加,能使锡石回收率提高20~30%。衬胶耐磨材料正在选厂推广,聚氨酯合成材料在试用中显示出更大的优越性。磨矿介质的材质,加工工艺及介质形状均已引起注意,选用适宜的材料,恰当的进行热处理,可提高钢球的硬计算机在选矿科研、设计、生产技术和生产管理等领域的应用日益普及。目前,急需在自发、分散、单项研究的基础上进行统筹规划,明确奋斗目标,制定发展策略,有计划的安排力量,进行系统的研究和开发。废渣的治理和利用取得了进展,从黄铁矿烧渣中回收了黄金和铁精矿。从高炉渣中,可进一步回收铁。

 
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