查询词典 ore roasting

Zinc metallurgy is developing rapidly in china and has been the biggest county with zinc metallurgy production. Now the pyrometallurgy in zinc metallurgy techniques was being washed out because of more power consumption and serious pollution. Zinc hydrometallurgy is get zinc from zinc ore concentrate, which contains roasting-leaching-purify-electrolytic deposit in sequence.

我国锌冶金发展迅速，已经发展成为全球最大的锌生产国，但现有的锌冶金生产工艺中火法冶金存在能耗大，污染严重，逐渐被淘汰，而湿法炼锌是将锌精矿经焙烧-浸出-净化-电积获得金属锌。

The process of selective reduction roasting- ammonia leaching is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.

本研究采用选择性还原焙烧—氨浸工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了该工艺氨浸的试验研究。

Selective reduction roasting ; ammonia leaching ; nickeliferous laterite ore ; nickeliferous iron ore ; nickel and cobalt extraction

选择性还原焙烧；氨浸；低品位红土镍矿；镍铁矿；镍钴提取

The process of selective reduction roasting-ammonia leaching-solvent extraction-electrowinning is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.

本研究采用选择性还原焙烧-氨浸-溶剂萃取-电积工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了采用煤作还原剂，选择性还原焙烧的试验研究。

The magnetic ore separator is suitable for granularity material and so on 3mm following magnetite, pyrrhotite, roasting ore, ilmenite wet magnetic dressings, also uses in materials and so on coal, nonmetalliferous ore, building materials eliminates the hard work.

磁选机适用于粒度3mm以下的磁铁矿、磁黄铁矿、焙烧矿、钛铁矿等物料的湿式磁选，也用于煤、非金属矿、建材等物料的除铁作业。

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。

The technological processes of raw ore direct acid-leaching,raw ore salt roasting-water leching or acid leaching and raw ore salt roasting-acid pelletizing curing-acid leaching,etc.

原矿加盐焙烧水浸或酸浸；原矿加盐焙烧一拌酸制粒熟化酸浸等工艺过程。

Uses in the ferrous metallurgy profession producing the oxidized iron ball group, Hard ore concentrate direct return to original state, superfine hard ore concentrate and high ashes recycling advantage; Available in carries on the oxidizing roasting in the colored metallurgy, reducing roasting, sulfating roasting, chlorination roasting, segregation roasting .etc.

在黑色冶金行业中用于生产氧化铁球团、铁精矿直接还原、超细铁精矿及高炉灰的回收利用；在有色冶金中可用于进行氧化焙烧、还原焙烧、硫酸化焙烧、纳化焙烧、氯化焙烧、离析焙烧等，还广泛应用于氧化铝制备。

Through the processes of grinding bastnaesite ore concentrate, mixing the ore powder with NaCO3 in the ratio of 1 to 0.1-0.4, roasting the mixture at 400-800 deg.c for 1-6 hr, elution of the roasted sand with hot water to obtain NaF, drying filtered drag after eluting NaF and mixing the dried drag with ammonium chloride, roasting the mixture at 300-600 deg.c for 1-3 hr, hot water soaking to obtain rare earth chloride solution, extraction with 20% kerosine solution of naphthenic acid, and hydrochloric acid counter extraction to obtain rare earth chloride product.

本发明涉及一种氯化铵法从氟碳铈精矿提取氯化稀土的方法，首先将氟碳铈原精矿磨细，并与NaCO 3 混合，其比例为原矿∶NaCO 3 ＝1∶0.1～0.4，混合均匀后在400℃～800℃焙烧1～6小时，焙砂用热水洗出NaF，洗出NaF的滤渣干燥后与氯化铵混合，于300℃～600℃焙烧1～3小时，再用热水浸取得到氯化稀土溶液，用20％的环烷酸煤油液萃取，再采用盐酸反萃得到氯化稀土产品。

For reducing the fault ratio of shaft ore-roasting furnace, based on the analysis of the fault mechanism and combination of case-based reasoning and variables prediction, an intelligent fault prediction approach is proposed for the shaft furnace roasting process.

为降低竖望炉焙烧过程的故障发生率，基于故障机理的分析，将过程参量预报与案例推理技术相集成，提出了竖炉焙烧过程的智能故障预报方法。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。