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加热管封口作业规范


1).要求有钎焊法兰类或速接板类零件时,钎焊件必须牢固可靠;

(1). Requires a soldered flanges or fast connecting plate parts, welding parts must be solid and reliable;

(2).用于加热液体类或是密闭电加热管,应能承受0.31.2MPa压力。历时5mm的静水 压力试验无渗漏现象。

(2) for heating liquid or closed electric heating tube, should be able to withstand the pressure of 0.3 ~ 1.2MPa. Hydrostatic pressure test lasted for 5mm no leakage phenomenon.

工夹量具及设备:氧焊设备、各种焊条。

Folder measuring and equipment: oxygen welding equipment, a variety of electrode.

13) 封口

13) seal

(1).时候封口按生产令进行;

(1). When the sealing according to production order of;

(2).将两端MgO粉挖掉34mm深度,并清理干净。特别注意其管内壁及螺纹部分不 得有镁粉存在;

(2). Both ends of the MgO powder and dig out the depth of 3 ~ 4mm, and clean. Pay special attention to the inner wall of the pipe and threaded part does not have magnesium exist;

(3).封口前逐件检查使其元件耐压2000/1s,无击穿闪络,绝缘无穷大;

(3). Before sealing examined them one by one the elements withstand voltage 2000V/1s, no breakdown of insulation flashover, infinite;

(4).入封口胶,应旋转磁堵压上,然后上螺母、垫圈;

(4). The sealing glue, should be rotated magnetic plug pressure, then the nut,washer;

(5).两次口的电加热管应按操作规程执行。

(5). Two the mouth of the electric heating pipe should be according tooperating procedures.