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防腐(耐腐)伴热采样管 伴热取样复合管

信息来源:皖缆集团 浏览次数:3956 发布时间:2014-03-28

    防腐(耐腐)伴热采样复合管内设有电伴热带装置,目的是为了提高烟气温度,使烟气内的水分完全汽化,防止SO2等气态污染物溶入水中,产生测量误差。所以要求温度控制到150度左右。在选用防腐伴热采样复合管时必须知道其类型,通常有自限温电伴热和恒功率电伴热两种,这样便于采用不同的维护方式。

 

防腐(耐腐)伴热采样管 伴热取样复合管


    自限温电伴热采样复合管的需要进行温度控制,加热温度一般很高,温度控制系统要保证可靠,防止造成管线烧损,日常维护过程中需要检查两端加热温度是否一致。自限温电伴热采样复合管一般不会出现中间开路或不加热现象,但在温度计安装时接触探头一定要与伴热带紧密接触,防止造成测量不准,烧损取样管线;

 

    恒功率电伴热采样复合管日常维护过程中,同样需要监测两端温度,定期需要检查管路中间加热情况,如果发生仪表参数跳变也可能是这一原因。


    自限温电热带的自动控温功能,可以保证采样管内维持一定的恒温,保证采集样品与初始值保持基本一致,最终确保前述三系统连续、正确的采集样气。根据采集样气的成份、温度等实际情况,采样导管可以选用不同材质,电热带可以根据用户选型选用高、中、低温的产品,另外根据功能配置各种导线等。


    恒功率电热带亦称并联式电热带,电源母线为二根平行绝缘铜线,在绝缘层中间缠绕电热丝,并将该电热丝每隔一定距离(即“发热节长”)与母线连接,形成连续并联电阻。母线通电后,各并联电阻发热,因而形成一条连续的加热带。该产品可用于非爆场合和工厂一区,二区爆炸气体T3组场所。


应用领域
    1、煤、油和气体燃烧;
    2、发电厂中的废气监测;
    3、 垃圾焚烧设备;
    4、精炼、石化和化工行业的过程气体;
    5、室内空气监测;
    6、试验台上进行的发动机废气测量;
    7、水分析中的防冻;
    8、其它分析测量;

 

防腐(耐腐)伴热采样复合管线结构图

 

防腐(耐腐)伴热采样复合管线生产图

 

相关信息:伴热管缆(采样复合管)安装与使用说明 

 

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