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工业烘干机（煤泥烘干机）机械结构及工作原理
[ucl=from-www.suishijiqi.cn/hongganjijiage.htm]工业烘干机（煤泥烘干机）一、工业烘干机（煤泥烘干机）机械结构及工作原理
煤泥烘干机主要由热源、打散装置、带式上料机、进料机、回转滚筒、带式出料机、引风机、卸料器和配电柜构成。煤泥烘干机的工作原理如下：煤泥由于具有一定的粘性，在干燥过程中湿煤泥进入干燥机后分以下几个工作区：一是导料区，湿煤泥进入此区与高温热风接触迅速蒸发水分，物料在大导角的抄板抄动下，形不成粘结便被导入下一个工作区； 二是清理区，湿煤泥在此区被抄板抄抄起形成料幕状态，物料落下时易形成粘结滚筒壁现象，在此区由于设备设计有清扫装置，清扫装置便十分合理地清扫了内壁粘附的物料，在这个过程中，清扫装置对于物料 团球结块也起破碎作用，从而增加了热交换面积，提高了干燥速率；三是倾斜扬料板区，湿煤泥在此区已 呈低水分松散状态，物料在此区已不具有粘结现象，经过热交换后物料达到所要求的水分状态，进入最后 的出料区；四是出料区，滚筒在此区不设抄板，物料在此区滚动滑行至排料口，完成整个干燥过程。
二、工业烘干机（煤泥烘干机）主要特点
1、烘干机抗过载能力强，处理量大，燃料消耗少，干燥成本低；
2、采用顺流干燥方式，烟气与湿物料由同一侧进入干燥机，可以利用高温烟气获得很高的蒸发强度，烘干机出口温度低，热效率高；
3、可根据不同的物料性质改变运行参数，使物料在烘干机筒体内能够形成稳定的全断面料幕，质热交换更为充分；
4、新型给料、排料装置，杜绝了滚筒干燥机给料堵塞、不连续、不均匀和返料等现象，降低了除尘系统的负荷；
5、新型内部结构，强化了对已分散物料的清扫和热传导作用，消除了筒体内壁的沾粘现象，对物料水分、粘性的适应性更强；
6、烘干机实现了 “ 零水平推力 ” ，大大减少了挡托轮的磨损，筒体运转平稳可靠；
7、烘干机采用 “ 调心式托轮装置 ” ，使托轮和滚圈的配合永远呈线性接触，从而大大降低了磨损和动力损耗；
8、可根据用户要求控制产品粒度和水分，烘干煤泥时产品水分可达 8% 以下，粒度可控制在 8mm 以下。
三、工业烘干机（煤泥烘干机）工艺流程图[/ucl]
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