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污泥脱水机工作原理

出处:/   发布日期:2015-02-09 17:28:38   
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详细内容

 1、污泥絮凝

压滤脱水前为了提高污泥水,改善滤饼的属性,增加材料的透湿性,需要物化处理的污泥,机器使用先进的新的双过程絮凝絮凝反应的设备来达到最好的效果,该方法不仅絮凝团块,加上紧张,还可以节省大量试剂,操作成本低,经济效益是显而易见的。
 
2、重力浓缩脱水
 
打架后污泥均匀成网布,带向前运行,免费的水通过足够长的时间的重压下自由重力脱水区进入水槽,重力脱水时间也可以说是高度集中,主要作用是脱去大部分自由水和间隙水的污泥,减少污泥的流动性,促进污泥在屏幕上的厚重的积累,提高污泥的力量挤压。
 
3、低\\ \/中压脱水
 
重力脱水后污泥流动性几乎完全丧失,滤带运行,污泥通过楔形区域海绵辊、上下过滤器与间距逐渐减小,材料开始轻微的压力,滤液从双方开始溢出的过滤器,滤带运行,压力逐渐增加。同时也逐渐增强的挤压稳定的絮凝。
 
4、挤压辊(或)夹高压脱水
 
从中压区域进入高污泥后,这个地区的污泥由1 ~ 3组夹辊(或)强烈挤压后体积大幅收缩,自由水间隙内的污泥在满,在这一点上,高固体含量的滤饼的形成。

Belt type sludge dewatering machine working principle: the sludge pump into the dynamic (static) state mixer, and at the same time to join the concentration of 0.05 ~ 0.1% Yin (Yang) ion flocculant mixed solution and reaction after fully and slag (mud) in the plasma of tiny solid particles (or suspended) gather large lumps of flocculent, condensed material between bound water and surface water is separated into free water, when the material being transported spreading to the extended gravity predewatering area (or belt conveyor concentrate on board) on the screen, under the action of gravity, free water leak through the mesh on the back of the separation, form the flow state of sludge, to squeeze dewatering, the implementation of the maximum pressure conditions and then move as the mesh belt clamping between the upper and lower two mesh belt, after filtering with adjustable tension belt and diminishing diameter of roller and the roller, the implementation of continuous increase of slow to roll extrusion, shear force, through the wedge area, low pressure, medium pressure, high and strong to roll pinching area will slag (mud) in the slurry water after continuous extrusion out supercharging way, step by step and finally form the low moisture content of filter cake discharge, by scraping board, upper and lower filter with separate, after washing water of high pressure and rolling brush to clean the filter surface micro particles in pores, continue to enter the next dehydration cycle.

 
 
 


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