查询词典 low grade ore

XZM Ultrafine mill is a machine for producing fineness and ultra-powder. It is mainly used for grinding the materials whose hardness is middle and low, moisture below 6%, and Moths hardness should be blow 9 grade and non-explosion and non-flammability, such as: calcite, chalk, limestone, dolomite, kaolin, bentonite, steatite, mica, magnesite, illite, pyrophillite, vermiculite, meerschaum, attapulgite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate ore, potassium ore pumice, etc.

XZM 中速微粉磨是一种细粉及超细粉的加工设备，它主要适用于中、低硬度物料的研磨粉碎，如高岭土、石灰石、方解石、滑石、大理石、重晶石、石膏、白垩、白云石、膨润土、云母、菱镁矿、伊利石、叶腊石、蛭石、海泡石、凹凸棒石、累托石、硅藻土、石墨、明矾石、萤石、磷矿石、钾矿石、浮石等湿度小于6％，莫氏硬度在9级以下非易燃易爆的非金属物料。

Aiming at the questions such as low grinding concentration,thick fineness of iron ore concentrate and high grade of tailing caused by the wet pre-selecting process before grinding,through the check of the flow and the results of small-scale test,puts forward the improved measures such as increasing grinding concentration,adding demagnetizer,screening the undersize first then floating,etc.

针对磨前湿式预选工艺造成的磨矿浓度降低、铁精矿粒度变粗、尾矿品位偏高等问题，通过流程考查和小型试验研究，提出了提高磨矿浓度、加设脱磁器、对筛下物料进行先筛分后浮选等改进措施。

ABSTRACT: The fractal characteristics of low silica sinter with different Brazil high grade iron ore were investigated by using Least Square to measure the fractal dimensions.

本文探讨了低硅烧结矿在不同高品位巴西粉条件下粒度分布的分形特征，并用最小二乘法测定了其分形维数。

In view of the low ore grade and recovery of the flotation concentration ,improving grinding fineness,promoting the concentration grade of copper 1.94% and the recovery of copper 3.32%,it can increate copper morn than 540t and the profits morn than 18,000,000 RMB,we achieved strikingly economic profits.

针对该矿浮选精矿品位及回收率偏低的现实，通过提高磨矿细度，铜精矿品位提高1.94%，铜回收率提高3.32%，每年多回收铜540t，增加利润1800多万元，取得了很好的经济效益。

According to the property of mud of gas of plum steel blast furnace, undertook to its zincic experiment studies receiving iron to fall, no matter use magnetic separation,the result makes clear or classification the law all can reclaim from which content of major iron ore and purify is major zinc, stock of will tall zinc, low zinc undertakes effective depart, iron concentrate yield and grade all achieve 52% above, iron metal reclaims rate 70%, take off zinc to lead 50% above.

梗概： 介绍了梅钢高炉瓦斯泥的性质、试验情况及结果，国内外处理使用含锌高炉瓦斯泥的方法。根据梅钢高炉瓦斯泥的性质，对其进行了收铁降锌的试验探究，结果表明无论用磁选还是分级法均能从中回收大部分铁矿物并去除大部分锌，将高锌、低锌物料进行有效分离，铁精矿产率和品位均达到52%以上，铁金属回收率70%，脱锌率50%以上。

The high-purity manganese carbonate is prepared by leaching manganese with sulfur dioxide, removing impurities, carbonating and crystallizing from Xiangtan's low-grade manganese ore .

采用湘潭低品位的贫软锰矿为原料，对二氧化硫气体湿法浸锰、浸出液除杂、碳化结晶制备高纯碳酸锰的工艺进行了研究。

With the reduction mechanisms of the pellets containing carbon in the metal bath and the mechanisms of CVD used to attain nanometer fines, the experiment research on directly obtaining nanometer ZnO powder from the zinc-oxide ore in low grade , have been carried out.

利用含碳球团在金属浴中的还原机理和气相化学反应法制备纳米粉的原理，进行了从低品位氧化锌矿直接制取纳米氧化锌粉的实验研究。

Vitriol mountain town alumstone exploits cost low , entire exploit be a strip mining, the ore may ascertain whose use , potasium sulphate , may produce alums , inferior may produce a swelling agent , early strong medium agent , accelerating agent first-class but giving birth to a child according to the grade.

矾山镇的明矾石开采成本低，整个开采是露天采矿，矿石可根据品位确定其用途，上等可生产硫酸钾、中等可生产明矾、下等可生产膨胀剂、早强剂、速凝剂。

This kind of sulfide ore is relatively refractory and it is difficult to improve production ibexes, with high cost and low benefit. During 1988 to 2000, the per-product ability is 157.5 ton per day, primitive mineral tin grade is 1.89% and obtained 52~54% tin concentrated, with 51.06% recovery. Tin grade of 1.5% make mining and processing keep equal.

这种硫化矿比较难选，生产指标一直难以提高，处理该类型矿石生产指标低，成本高，效益差。1998年至2000年的三年间，平均生产能力157.5吨／日，原矿锡品位1.89％，产出的锡精矿含锡52～54％，锡回收率51.06％，原矿采选持平锡品位为1.5％。

In the process of converter smelting, a fair quantity of iron oxide ball with high grade, low moiwture content and low in purity is added to converter instead of ore as the adjusting agent of temperature and slag.

在转炉冶炼过程中向炉内试验加入一定量的含铁品位高、水分少、杂质低的氧化铁球来代替矿石，作为转炉调温调渣剂，结果表明，加入氧化铁球后，转炉反应平稳，调渣迅速，不会产生剧烈反应造成喷溅，并有利于提高金属收得率。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。