M-14907
发布时间:2019-01-10 14:55:28点击率:
M-14907
M-14907
M-14907
M-14907
其现场采用布袋除尘器进行高温烟气净化。从设备的实际性能考虑,滤袋容许承受温度一般为100℃左右,与高温烟气温度(一般可以达到300℃)相比差距很大, 《联系人;欧先生》 现场1台易驱630KW变频器拖动主风机在系统中主要起到把烟气引入到除尘室的作用,是除尘系统的动力。风机处于长时间、大负荷的工作状态。为避免温度过高导致风机运行故障,系统运行时,要对风机进行实时故障检测。风机故障主要是由于风机轴温度过高而烧坏其某些部件进而导致系统运行瘫痪。在系统运行中,把风机轴温度控制在60摄氏度以内。因此在风机轴处加一个温度传感器,随时监测风机的温度。风机温度过热,就要停止风机,系统其他设备也要停止工作。(现场在电机轴上装上水管水冷处理,以保证风机的24小时工作。)如果各部分都正常,烟气在风机的引风力作用下,经管道进入布袋除尘器进行净化。 现场冷却后的烟气安全进入布袋除尘器,通过控制10个除尘室进烟阀和反吸阀的循环关断动作来完成烟气净化。反吸是利用逆气流帮助滤袋内表面积尘的剥落与沉降,动力由反吸风机完成。
《座机:0592-5709825》
《传真:0592-5917519》
《24小时热线:18030229053微信同步》
《QQ :2479261344》
《QQ邮箱:2479261344@qq》
所以必须首先需要对高温烟气进行降温,并对降温过程进行实时监控。具体办法是:在吸风管道前后两端各安装一个温度传感器,分别用于检测烟气吸口处和布袋除尘器入口处的烟气温度;在管道中部安装一个电动蝶阀,当两个温度传感器感检测到的温度超过设定值时电动蝶阀打开,从而混入一定量的冷空气,把烟气冷却。
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