选筛

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。

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 result of tests was satisfactory.Based on the understanding of characteristics of cole and its cron-straw mixture, in the study, the movement of cole cron-straw mixture in cleaning shoe were analysed, dominating working parameters of cleaning plant were chosen. It has instructional significance for development and research of cleaning plant of cole combine harvester.

本课题在对油菜及其脱出物各种特性充分研究的基础上，合理地分析了油菜脱出物在气流中和筛面上的运动过程，对影响脱出物运动的各因素进行了分析研究，选择了油菜收获清选装置的各主要工作参数，对于油菜收获机械清选系统的开发与研制具有一定的指导意义。

The company specialized production enrichment plant, provides the technical process, the dressing experiment, the installment instructs www.lzkysb.cn gentle yu 0797-5745599 saw-tooth wave coal jig, the mutual lack of understanding coal jig, side moves the type coal jig, the side moves the type coal jig, gets down moves the type coal jig, the double room mutual lack of understanding coal jig, the dressing coal jig, the movable sieve jig, the saw-tooth wave big pellet coal jig, the JT coal jig, the company produces the coal jig, fights the coal jig only, the mutual lack of understanding coal jig, the twin-bucket coal jig, the saw-tooth wave rectangle coal jig, the saw-tooth wave trapezoidal coal jig, left -likethe right -like coal jig has JT, LTSso on each kind of series, this machine is the stationary screen is minor, is suitable for the classification ore mineral, like the tungsten, the carry gold placer, selects the tin oreso on, may also use inChooses the fine grain materialthe large grain material, gives the ore granularity is 30 millimeters most greatly.

公司专业生产选矿设备，提供工艺流程，选矿实验，安装指导www.lzkysb.cn温良禹0797-5745599锯齿波跳汰机，隔膜跳汰机，旁动式跳汰机，侧动式跳汰机，下动式跳汰机，双室隔膜跳汰机，选矿跳汰机，动筛跳汰机，锯齿波大颗粒跳汰机，JT跳汰机，公司生产的跳汰机，单斗跳汰机，隔膜跳汰机，双斗跳汰机，锯齿波矩形跳汰机，锯齿波梯形跳汰机，左式和右式跳汰机有JT，LTS等各种系列，该机是固定筛子式，适用于选别金属矿石，如钨，含金的砂矿，精选锡矿等，也可用于选细粒物料和粗粒物料，最大给矿粒度为30毫米。

PDA(particle dynamics analyzer system) was used to measure the flow velocity of particles in the XFD-12 flotation cell, the results show that tangential mean velocity in the radial direction changes from positive to negative in the flotation cell, naught point emerge in the medium of the radial direction ,it is where backward fluid emerge ,shear stress of backward fluid induce the particle detachment from bubbles .

汁算数据与实际矿石筛析结果都表明，紊流强度增大，泡沫中粗粒级含量减小。 4。用PDA在XFD-12型8L浮选机中测定的速度值，进行混合区、分离区、泡沫区紊流运动功率谱计算，得紊流脉动频率，混合区小于20Hz，分离区在20-30Hz之间，泡沫区在25-35Hz之间，浮选槽内紊流脉动以低频为主，且紊流脉动动能是混合区大于分离区大于泡沫区。

The present invention is one comprehensive innocuous city solid refuse treating system. In the system, the city solid refuse is first stoved, sterilized and sorted, then magnetically separated to separate out iron containing waste, and finally sieved into the undersize fed to one mixing tank and the oversize further sorted, with the rest matter being crushed and fed also to the mixing tank for fermentation to produce organic fertilizer.

城市固体垃圾无害化、资源化、再生综合利用处理系统，首先将含有大量水分的城市固体垃圾进行烘干、杀菌消毒，进行初级分选，把织物纸类、玻璃、砖头瓦块、废塑料、废橡胶类、废电池、木质类等分拣出来，进入磁选分检出废铁制品，再进入分级筛，筛下物被输送到一个预混罐，筛上物进行再次分选，剩余的垃圾粉碎后也被送入预混罐，在预混罐中加入发酵菌进行混合固体发酵，发酵后成为有机肥。

Main Products---The complete equipment for recycling waste tire: Tire cutter, Strip cutter, Lump cutter, Bead wire separator, Shredder for rubber, Large and Small belt conveyor, Large and Small vibrating sieve, Magnetic separation equipment.

主要产品--废旧轮胎处理成套设备：切圈机，切条机，切块机，口圈分离机，破胶机，大输送机，大振动筛，小输送机，小振动筛，磁选设备。

As for the waste sorting process, to achieve a high standard of sorting out varying particle sizes, rotary screen, winnowing machine or magnetic separator shall be used.

分类处理流程部份，则以采用粗栅、旋转筛、风选机、磁选机，且搭配两种粒径以上之分选线才能达到预期分选品质。

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。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。