铁路特大桥挖孔桩专项方案(施工及安全)

1、Technical Description for Iron Ore Mixer铁矿石混料机技术说明Process Modern Product Line for Pelletizing Plant工艺方案 现代化的球团预混生产线Application of Ploughshare mixer 犁铧式混合机的应用领域Ores which are finely ground for concentrating, and ore dust produced during the mining process must be compacted before smelting. Pelletizin

2、g is an increasingly important process for fine grain ore concentrates. One condition for economical pelletization of wet or dry ground ore concentrates is a uniform, agglomeration-free mix with additives. This pre-treatment of ore concentrate is a vital step for downstream pelletizing in particular

3、 where bentonite and /or other additives are intermixed, and where liquid components are added.矿石为地面的精矿，作为选矿用，在采矿过程中产生的矿粉尘必须在熔炼之前压缩。粒化是精铁矿的重要过程。湿或者干的地面精矿经济粒化的一个条件是均一，有添加剂的无团状物的混合。精铁矿的预处理是接下来粒化的重要阶段，特别是彭润土和/或者其他添加剂的混合，其中有液体成分的添加。Solution of Ploughshare mixer for iron ore concentrate犁铧式混合机在铁精矿领域的解决方案T

4、he ore concentrate, with dry or liquid additives, is charged continuously to the mixer. The high speed rotating mixing tools, in coordination with the filling level, create an intense motion of the material and rapid dispersion of the particles. The rubbing effect caused by this action assures accur

5、ate dispersion of the liquid additives and prevents the formation of agglomerations or undesirable water spots. The Ploughshare mixing tools have been designed especially for ore mixing. The mixing tools disperse the product, create a rubbing effect and return the product in axial direction, which i

6、s essential for accurate mixing. A long wear life of the exchangeable mixing tools is assured by the special hard metal reinforcement.干的或者带有液体添加剂的精铁矿，连续装于混合机。高转速的混合工具，与填料水平相符合，产生物料的强力运动和颗粒的迅速分散。这种运动所产生的物料运动效应应确保液体添加剂的准确分散，阻止球团的形成和不必要的滴水斑点。犁铧式的混合工具为矿石混合特殊设计混合轴分散物料，产生物料运动效应，再把物料带回轴的方向，这对精确的混合是很必要的。易更换

7、的混合工具的长时间耐磨寿命是通过特殊硬质金属的加固来保证的。Technical advantage 技术特点Homogeneous mixing and moistening without the formation of agglomerations or wet spots.均一的混合和湿度，没有球团或者滴水斑点的产生。Assured moisture distribution within a limited range of specified tolerances.在特定的公差限定范围内确保湿度分布。Bentonite savings due to precise and unif

8、orm dispersion in the mixer混合机内的精确和均匀的分布，节省膨润土。Highly robust and wear-proof mixer construction due, in particular, to the rubber lining in the mixing drum reduction of product build up which in turn reduces vibration of the machine.强有力的耐磨混合机结构，特别是混合桶内的橡胶衬板，减少混合桶上物料的结层，从而减少设备的振动。Low maintenance conce

9、pt 维护费用低。Equipped with large Inspection doors for easier maintenance 带有大的检验门，维护方便。Horizontal structure, low construction height卧式布置，安装高度低。Equipped with screwed mixing elements which can be easy exchanged混合部件采用螺栓连接，方便更换。Advantages of Ploughshare mixer for iron ore concentrate compared to Vertical Sys

10、tems 犁铧式混合机在铁精矿领域比垂直式的优势Continuous flow and continuous product discharge because of the defined mixing distance in a horizontal drum between inlet and outlet of the mixer. Every particle has the same retention time.由于混合机水平滚桶的入口和出口有确定的混合距离，因此混合机可以实现连续混合，并连续卸料。每个颗粒都有相同的混合时间。According to the design of

11、a vertical mixing system, this can not be granted.垂直混合系统的设计不具有这种功能Ploughshare mixer guarantees a constant, and continuously discharge to the afterwards Pelletising unit. A like grade and quality of the green pellets is granted.犁铧式混合机可以保证为下游的造粒系统提供连续不断的物料.并保证每个生球团具有同样级别和质量On a vertical system the dis

12、charge will be controlled by the weight of the batch; means a constant and unchanging quality can not be granted. 对于垂直式系统，卸料是由分批重量控制的,这就意味着该系统不能保证连续不变质量.According to the form and arrangement of the mixing elements there is a continuous back mixing of the iron ore particles in a mechanical generated

13、fluid-bed. These back mixing effect (3 steps in direction to the discharge; 2 steps back to the feeding) gives more safety to compensate fluctuation of the dosing systems. The material gets in a three-dimensional movement at the same time there is a axial transport to the discharge.根据混合机部件的形式和布置,混合铁

14、矿石颗粒时在机械产生的流化床部分有一个连续的回流混合过程.这种回流混合过程(3步是卸料的方向,2步是向入料的方向)将会更安全的补偿定量给料系统的波动.材料将会得到三维立体的运动,同时,也会沿轴向运动以便卸料.These in a ploughshare mixer generated mechanical fluid bed enlarge the surface of the ore concentrate this promotes uniform mixing of all the individual particles with Betontit and other dry or i

15、f required with wet additives.犁铧式混合机产生的机械流化床原理将增大提高铁精矿表面积,这将提高每种材料颗粒混合均匀度，像膨润土，和其他干的或者要求所需的湿的添加剂These intensive mixing can not be granted in a vertical mixing system.这些混合的优势是垂直式混合系统所不能达到的Because of the horizontal designed mixing drum of the Ploughshare mixer there is less height required. Vertical s

16、ystems are in need of much more height.由于混合机采用了水平设计的混合滚桶,因此,重量轻.而垂直系统则需要更大的高度.Ploughshare mixer for heavy duty application is robust and wear resistance designed.有专门为重型机械行业设计的犁铧式混合机具有坚固耐磨的特点.The mixing drum and endplates are equipped with a rubber lining (screwed segments-easy to exchange, thickness

17、 32mm); this reduce a build up of the material on the drum as well as vibration. The body of the drum and endplates are protected against wear.混合滚桶和端板里面有橡胶的衬板(螺丝连接且分块容易更换,厚度32mm);这就减少了材料在滚桶的堵塞和振动.桶体和端板是被保护的,耐磨的.Mixing elements are high protected against wear by special and proven coating of tungsten

18、 carbide with high lifetime.混合部件表面是一层高耐磨的特殊材料碳化钨并具有很长寿命.Ploughshare mixer ensure a long lifetime and reliable in operation in compare to low maintenance work and costs for the mixer and control. 犁铧式混合机确保使用中的长寿命，和可靠的，同时混合机和控制的低维护工作和费用The Ploughshare mixer is a single shaft mixer equipped with heavy d

19、uty bearings in a housing outside of the mixing drum. Only 1 drive with a fixed speed is required. The mechanical discharge controls the filling level, retention time and the throughput of the material by means of adjustable segments. 犁铧式混合机是单轴混合机，在混合桶的机壳外表面装有重型轴承。只需要1个固定速度的驱动。机械的卸料控制进料水平度，混合时间，通过调节可调单元来控制产品的产量。In compare to a vertical system no we