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烘干机内粉尘浓度怎么控制?

2019-06-19 来源:http://www.zhongyanjixie.com 发布人:admin 浏览量:
控制粉尘浓度的方法是控制系统中的气体速度,从而使粉尘在煤尘干燥机系统中肆意飞扬。煤泥干燥机的气流设计速度为5m/s,在此风速下,粉尘不会飞扬。同时,煤是在烘干机的前面,因为含水量较高,基本上没有烟。只有在煤泥干燥机的排放端,随着煤泥中水分的不断减少,才会产生粉尘。在这个阶段,煤泥烘干机的内部结构设置炉篦式圆弧板输送机,甚至输送机板可以不再设置,这样干材料不再可以尽可能地提高,以避免灰尘飞。此外,控制干燥后的产品含水量,防止产品过度干燥,还可以减少粉尘的产生。
The only way to control the dust concentration is to control the gas velocity in the control system, so that the dust can fly freely in the coal dust dryer system. The airflow design speed of the slime dryer is 5 m/s, under which the dust will not fly. At the same time, coal is in front of the dryer, because the water content is high, basically no smoke. Only in the discharge end of the slime dryer, with the continuous reduction of moisture in the slime, will dust be produced. At this stage, the internal structure of the slime dryer is set up with grate circular arc plate conveyor, even the conveyor plate can be no longer set up, so that the dry material can no longer be as high as possible to avoid dust flying. In addition, controlling the moisture content of dried products to prevent excessive drying of products can also reduce the generation of dust.
煤泥干燥系统的六个部分
Six parts of slime drying system
洗煤厂专用煤泥干燥系统的标准配置方案主要包括以下六个部分:
The standard configuration scheme of the special slime drying system for coal washery mainly includes the following six parts:
物料输送输送系统由缓冲给料机、带式输送机、密封刮板输送机等设备组成;
Material conveying system is composed of buffer feeder, belt conveyor, sealed scraper conveyor and other equipment.
由热风炉、刮板除渣器、鼓风机等组成的燃烧加热系统,为煤泥干燥系统提供稳定的高温热介质;
Combustion heating system consisting of hot blast stove, scraper slag remover and blower provides stable high temperature thermal medium for coal slime drying system.
3.煤泥干燥脱水系统由密封给料机、螺旋桨、煤泥干燥机和自密封卸料装置组成;
3. The slurry drying and dewatering system consists of sealed feeder, propeller, slurry dryer and self-sealing unloading device.
木屑烘干机厂家
四、由旋风除尘器等设备组成的环保除尘系统,其作用是回收煤泥干燥产品中出现的细小颗粒,达到煤泥干燥机生产废气排放标准;
4. Environmental protection dust removal system consisting of cyclone dust collector and other equipment, whose function is to recover fine particles in slime drying products and meet the emission standard of waste gas from slime dryer production.
5. 配电测控系统(PCL)是由变压器及配电设备、监控及监控系统、工业电视系统等电气设备组成。该系统充分实现了煤泥干燥系统的在线监测、安全防护、集中或局部自动控制等功能;
5. Distribution measurement and control system (PCL) is composed of transformer and distribution equipment, monitoring and control system, industrial television system and other electrical equipment. The system fully realizes the functions of on-line monitoring, safety protection, centralized or local automatic control of the slime drying system.
产品运输系统。
Product transportation system.
超过六部分有机体的煤泥干燥系统,从喂养,干燥和放电、热、除尘、回收等各环节所有自动控制和监测、煤泥烘干机设备的设置自投产以来,安全运行,深受用户好评,作为用户南洋机械煤炭企业模型项目。
The slime drying system with more than six parts of organisms, including feeding, drying and discharging, heat, dust removal, recycling and other links, all automatic control and monitoring, and the setting of slime dryer equipment, has been running safely since it was put into operation, and has been highly praised by users as a model project of Nanyang mechanical coal enterprise.
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