JL VORTEX AIR CLASSIFIER PROCESS (SECONDARY CLASSIFICATION)JL涡流气流分级机工艺流程示意图(二次分级)

产品用途/ PRODUCT PURPOSE

目前大多数的粉体生产设备所加工的粉体多为粒径比较分散的混合粉，而在实际应用中，只有某一粒度区间或某一粒度段的粉体，才能满足用户的需求。分级机就是从混合粉体中按照某一粒度区间值金星超级粉体分选的设备。它可以与一般的粉碎设备（如球磨机、雷蒙机、气流磨、冲击磨等）联合使用分选出所需求的细粉，及时清除粉料中过粗或过细的颗粒，有效地解决夹带现象而达到控制粒径分布的目的。

物料经给料机投入分级后，被分级的物料先经过预选区，使颗粒完全分散。在分级涡旋力的作用下，粗细粉分离。满足粒度要求的细粉经过分级轮进入细粉捕集系统。粗粉及团聚状细粉降至二次进风处，由此叶栅产生的漩涡离心上升气流对物料进行强烈冲洗。使粗细粉再次分离，细粉随着上升气流进入分级区，粗粉降至一次进风处，接受一次进风气流的强烈冲洗，纯净的粗粉被排出机外。卧式分级轮具有精确的顶点切割尺寸，可保证细粉中不含大颗粒。本分级机具有非常高的分级精度、效率和细度。

At present, most of the powders processed by powder production equipment are mixed powders with relatively dispersed particle sizes. But in the practical applications, only the powder of a certain granularity interval or a certain granularity segment can satisfy the user's demand. The classifier is a device sorting Venus super powders from mixed powders according to a certain granularity interval. It can be combined with the general crushing equipment (such as ball mill, Raymond mill, jet mill and impact mill) to separate the required fine powder and remove excessively coarse/fine particles of the powders in time, effectively solving the entrainment phenomenon to achieve the purpose to control the size distribution of particle. 

After the materials are put into classification by the feeder, the classified materials first pass the pre-selection section, making the particles dispersed completely. The coarse and fine powders are separated under the force of graded vortex. Fine powders meeting the requirements of particle size enter the trapping system of fine powder through the stepped gear. Coarse powders and agglomerated fine powders fall to the secondary air inlet, and the centrifugal updraft in vortex generated by the cascade strongly flushes the materials. The coarse and fine powders are separated again. The fine powders enter into the stepped section along with the updraft, and the coarse powders drop to the primary air inlet, receiving the strong flushing of airflow in the primary air inlet, and making the pure coarse powders discharged out of the machine. The horizontal stepped gear has accurate vertex cutting size, which can ensure that the fine powder does not contain large particles. This classifier has very high classification accuracy, efficiency and fineness.