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什么是螺旋给料机

螺旋给料机把经过的物料通过称重桥架进行检测重量,以确定胶带上的物料重量,装在尾部的数字式测速传感器,连续测量给料机的运行速度,该速度传感器的脉冲输出正比于给料机的速度,速度信号和重量信号一起送入给料机控制器,控制器中的微处理器进行处理,产生并显示累计量/瞬时流量。该流量与设定流量进行比较,由控制仪表输出信号控制变频器改变给料机的驱动速度,使给料机上的物料流量发生变化,接近并保持在所设定的给料流量,从而实现定量给料的要求。
给料机由可回转的圆盘、导料套筒和刮板等部分组成。料仓内的物料通过导料套筒堆积在镶有耐磨衬板的圆盘上,圆盘转动,物料被刮板刮出给料。调节刮板位置或导料套筒的高低可改变给料量。圆盘直径一般在3米以下,转速不超过10转/分。圆盘给料机运转平稳可靠,调节给料量较方便,耗能少,但结构比较笨重,适用于粘性较小的粉粒状物料。

Screw feeder to put through the material by weighing bridge weight detection, to determine the weight of the material on the tape, installed in the tail of the digital speed measurement sensor, the continuous measurement of the running speed of the screw feeder, the speed sensor pulse output is proportional to the speed of the feeder, speed signal and weight signal together into the feeder controller, microprocessor controller, to generate and display the cumulant and instantaneous flow rate. The flow and set the flow were compared, by the control instrument output signal converter to control the change of feeder driving speed, the feeder of material flow change, approach and keep in the set feeding flow, so as to realize the demand for quantitative.

The rotary disc feeder, material guide sleeve and scraper etc.. The hopper material through the material guide sleeve in bulk with wear-resistant liner on the disc, disc rotation, the material scraper scraping feeding. Adjust the height of the scraper position or the guide sleeve can be changed to the amount of material. Disc diameter is generally 3 meters below, the speed is not more than 10 rpm. Disk feeder operation was stable and reliable, and the regulation to feed more convenient, less energy consumption, but structure is cumbersome for less viscous powder and granular materials.

 
 
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