分级筛

Especially, the combined application of various beneficiation processes and successful development of new type high-efficiency magnetic separation equipment, fine screen classification equipment and flotation reagents have promoted china s iron ore beneficiation technology to an internationally advanced level, with some concentrators metallurgical performances rea...

特别是各种选矿工艺的联合应用、新型高效磁选设备、细筛分级设备和浮选药剂的研制成功，使我国的铁矿石选矿技术处于国际先进水平，个别选厂的选矿指标已达国际领先水平。对今后铁矿石选矿新技术的发展方向提出了看法。

Especially, the combined application of various beneficiation processes and the sucess-ful development of new type high-efficiiency magnetic separation equipment, fine screen classification equipment and flotation reagents have promoted China s iron ore beneficiation technology to an internationally advanced level, with some concentrators metallurgical performances ...

特别是各种选矿工艺的联合应用、新型高效磁选设备、细筛分级设备和浮选药剂的研制成功，使我国的铁矿石选矿技术处于国际先进水平，个别选厂的选矿指标已达国际领先水平。并对今后选矿新技术的发展方向提出了看法。

The results show that this classifier has better efficiency performance in processing the flour and talcum powder in the range of 49 μm(300 mesh)-84 μm(180 mesh).

结果表明，该筛分机对处理粒度为49μm(300目)-84μm(180 目)的面粉和滑石粉具有较高的分级效率。

Suitable for grading granulated stuffs and screening out powder and liquid.

适用于料物的颗粒分级选别及粉末、液体的筛分。

The rod mill is a good grinding device to reduce over-smash. Meanwhile, to avoid the over-smash caused by the settlement of spiral-graded heavy minerals, the closed-circuit grinding procedure of rod mill and high-frequency vibration screen will be taken.

棒磨机是减少过粉碎的较佳磨矿设备，同时为了避免螺旋分级重矿物沉入返砂而造成过粉碎的弊端，选用棒磨与高频振筛的闭路磨矿流程。

Arc shaker used for coal preparation plant and concentrator materials to be dewatered, removing mud, off medium work, grading slurry recovery.

弧形振动筛主要用于选煤厂及选矿厂对物料进行予先脱水，脱泥，脱介作业，分级煤泥回收。

Its serise product in the colored golden mine ,the black mine ,the buliding materials siliceous sand stone production,the metal power system takes,the minerals profession promotion application and so on intensive processing has reached more than 380 Taiwan,is the fine grain material screen sizing effective equipment.

其系列产品在有色矿山、黑色矿山、建材玻璃砂生产、金属粉末制取、矿产品深加工等行业推广应用已达380多台，是细粒物料筛分分级的有效设备。

After particle distribution analysis and test of penetration of oil perforation to steel target,the influence of particles arrangement and distribution of powder shaped charge liner on performance of jet was studied and the liner was treated by thermal treatment.

利用筛分法，将127型石油射孔弹药型罩中的铜粉进行颗粒分级，并与其他金属粉进行粒度级配，通过粒度分布分析及射孔弹侵彻钢靶试验，研究了粉末药型罩中金属颗粒的粒度级配及分布对聚能射流性能的影响，同时对药型罩进行了热处理研究。

The complete set equipments of ball mill, crusher, magnetic separator, flotation machine, spiral sorting machine and dryer, etc are suitable in selecting black and non-ferrous metal such as iron, copper, gold, silver, lead, zinc tungsten, molybdenum, tin, manganese, etc and nonmetal mine such as fluorite and graphite. The sand and crushed stone detritus equipments like jaw breaker, counter-attack breaker, sand-maker, shaker, sand washer, conveyer, etc apply to constructions of airport, railroad, highway, common freeway and architectures of national large-size bridge, cross-harbor tunnel, land tunnel, new high-level building etc.

球磨机、破碎机、磁选机、浮选机、螺旋分级机、烘干机等成套选矿设备，适用于选铁、铜、金、银、铅、锌钨、钼、锡、锰等黑色、有色金属矿及萤石、石墨等非金属矿；颚式破碎机、反击式破碎机、制砂机、振动筛、洗砂机、输送机等砂石破碎设备适用于飞机场、铁路、高速公路、普通公路及国家大型桥梁、海底隧道、陆地隧道、新型高层楼房等建筑材料制造行业。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。