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JL VORTEX AIR CLASSIFIER PROCESS (SECONDARY CLASSIFICATION)JL渦流氣流分級(jí)機(jī)工藝流程示意圖(二次分級(jí))

產(chǎn)品用途/ PRODUCT PURPOSE

目前大多數(shù)的粉體生產(chǎn)設(shè)備所加工的粉體多為粒徑比較分散的混合粉，而在實(shí)際應(yīng)用中，只有某一粒度區(qū)間或某一粒度段的粉體，才能滿足用戶的需求。分級(jí)機(jī)就是從混合粉體中按照某一粒度區(qū)間值金星超級(jí)粉體分選的設(shè)備。它可以與一般的粉碎設(shè)備（如球磨機(jī)、雷蒙機(jī)、氣流磨、沖擊磨等）聯(lián)合使用分選出所需求的細(xì)粉，及時(shí)清除粉料中過(guò)粗或過(guò)細(xì)的顆粒，有效地解決夾帶現(xiàn)象而達(dá)到控制粒徑分布的目的。

物料經(jīng)給料機(jī)投入分級(jí)后，被分級(jí)的物料先經(jīng)過(guò)預(yù)選區(qū)，使顆粒完全分散。在分級(jí)渦旋力的作用下，粗細(xì)粉分離。滿足粒度要求的細(xì)粉經(jīng)過(guò)分級(jí)輪進(jìn)入細(xì)粉捕集系統(tǒng)。粗粉及團(tuán)聚狀細(xì)粉降至二次進(jìn)風(fēng)處，由此葉柵產(chǎn)生的漩渦離心上升氣流對(duì)物料進(jìn)行強(qiáng)烈沖洗。使粗細(xì)粉再次分離，細(xì)粉隨著上升氣流進(jìn)入分級(jí)區(qū)，粗粉降至一次進(jìn)風(fēng)處，接受一次進(jìn)風(fēng)氣流的強(qiáng)烈沖洗，純凈的粗粉被排出機(jī)外。臥式分級(jí)輪具有精確的頂點(diǎn)切割尺寸，可保證細(xì)粉中不含大顆粒。本分級(jí)機(jī)具有非常高的分級(jí)精度、效率和細(xì)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.