1、

Decomposing zinc ferrite to zinc oxide and ferroferric oxide selectively under reduction atmosphere was proposed, and acid leaching and magnetic separation processes were carried out to separate zinc and iron from reduced zinc calcine according to their characteristic difference.

本研究拟在弱还原气氛下将锌焙砂中的铁酸锌选择性分解为氧化锌及四氧化三铁,依据二者理化性质的差异,采用弱酸浸出-磁选组合工艺实现铁锌的分离。

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2、

it has advanced technology, suitable process, low cost and energy consumption, high quality and capacity, and obvious economical and environmental profits to calcine cement clinker with converter steel slag.

转炉钢渣配烧水泥熟料,可降低能耗和成本,提高水泥产量和质量,具有显著的经济效益和环境效益。

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3、

secondly, by substituting calcium carbide sludge for limestone as calcareous raw material to calcine cement clinker, effect of calcium carbide sludge batching on clinker calcination was studied, and then cement convention performance was determined.

其次,以电石渣为钙质原料替代石灰石烧制水泥熟料,考察电石渣配料对熟料煅烧的影响,并进行了水泥常规性能的测定。

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4、

the laboratory scale electric hearting fluidized bed is used to calcine desulfurized gypsum into calcined gypsum, and the calcined gypsum will have maximum conversion after 70 minutes calcinations at temperature in 110 ℃~ 130 ℃.

利用小型电加热流化床试验台对脱硫石膏进行焙烧实验以制备熟石膏,试验发现,焙烧温度在110℃~130℃左右,停留时间约为70min时,熟石膏的生成率最大。

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5、

ag~+, zr~ ( 4+) and sn~ ( 4+) doping markedly improved the photocatalytic activity, and the temperature to calcine had different influences on the photocatalytic activity of different metal ions-doped coupled semiconductors.

在分别掺杂含量为10-4mol/g的Ag+,Zr4+,Sn4+离子后催化活性有明显提高;焙烧活化处理温度对掺杂不同金属离子催化剂活性有不同的影响。

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6、

based on the experiments, the author studied the process technology of reduction roasting-acid leaching to the marmatite-oxide calcine, which not only improved the leaching rate of zinc, but also protected iron element.

在试验基础上对高铁闪锌矿的氧化焙砂进行了还原焙烧&酸浸工艺进行了研究,不仅提高了锌离子的浸出率,还将铁元素得到了保护。

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7、

co-roasting process for molybdenite and pyrolusite was newly developed based on the strong oxidizability of molybdenite and the reducibility of pyrolusite, and how to treat the calcine and separate mo and mn was the key of new process.

基于软锰矿的强氧化性和辉钼矿的还原性及资源的综合利用,开发出软锰矿与辉钼矿共同焙烧新工艺,焙砂的处理及Mo,Mn分离是该新工艺的关键。

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8、

the industrial tests show that the jarosite process can be used to handle the zinc calcine with high concentration of sb by controlling the leaching rate of sb in the neutral leaching process.

扩大试验验证,控制锑在中性浸出过程中的浸出率,黄钾铁矾法可以处理含锑高的锌焙烧料。

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9、

utilization of steel slag and reduced slag burden to calcine high strength cement clinker

利用钢渣、还原渣配料煅烧高强水泥熟料

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10、

a study on shaft kiln to calcine dolomite with coke-oven gas

燃用焦炉煤气的竖窑煅烧白云石技术研究

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11、

as one of the principal manufacturing equipment to calcine active lime, rotary kiln is applied broadly and has the excellent market prospect.

回转窑作为煅烧活性石灰的主要设备之一,有着广泛的用途和非常好的发展前景。

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12、

it is adopted different burning and cooling means for different high-c3s cement raw meal to calcine clinker in the lab.

本文采用不同烧成方式及不同冷却方式,对不同配料的高C3S水泥生料进行了实验室烧制。

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13、

the calcination of petroleum coke is an extremely complex process including physics and chemical change, but the carbon rotary kiln is a typical equipment to calcine petroleum coke.

石油焦的煅烧是一个极其复杂的物理、化学过程,而炭素回转窑是煅烧石油焦的核心设备。

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14、

here discussed are the technical measures taken to adopt the high silicate ratio burden to calcine the high strength clinker and the comprehensive improvement plans for the cement powder process.

论述了立窑水泥企业采用高硅酸率配料煅烧高强熟料的技术措施,讨论了水泥粉磨工艺综合改造方案。

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15、

therefore, try to look for a relatively low temperature to calcine precursor, the phase change is not complete at this low temperature, only a portion of precursor is transformed to the thermodynamically stable α-al2o3, mostly in the form of transition phases of al2o3.

所以就思考,能不能在一个相对较低的温度下煅烧前驱体,使前驱体的相变不完全,只有一部分转变为热力学上稳定的α-Al2O3,大部分以过渡相Al2O3的形式存在。

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16、

The result of lithofacies shows that impertinency of cement to calcine and condensation has certain effect on the paste agglomeration.

岩相分析结果认为,水泥煅烧气氛和冷凝制度的不合理也对水泥净浆结粒有一定影响。

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17、

therefore, new technology of using acetylene sludge to calcine clinker will be discussed in this article.

所以本文对利用电石渣煅烧水泥熟料的新工艺进行了研究。

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18、

chinese codex(2000 edition)said that processing of ruddle is to calcine it thoroughly and quench with vinegar and grind it into meal.

《中国药典》2000年版规定,对代赭石的炮制要用“煅至红透,醋淬,碾成粗粉的方法”。

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19、

several noticeable problems on utilizing wastes to calcine cement clinker

利用废弃物煅烧水泥熟料需注意的几个问题

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20、

in order to improve the reflective ability of functional materials and enhance the emittance in far ir band, the frostings were enveloped by titanium dioxide and the functional materials were disposed by calcine. therefore it can decrease the exterior temperature of the coating film efficiently.

通过二氧化钛对玻璃粉的包膜处理,功能材料的高温锻烧处理,提高了功能材料的反射作用,增强了远红外的发射能力,从而有效降低了涂层的表面温度。

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