吹管是电站锅炉投运前的重要试运步骤之一。吹管质量的控制和吹管工艺的正确实施对锅炉和汽轮机的安全运行有着直接影响。国内外主要有两种电站锅炉吹管工艺,即降压蒸汽吹管法和稳压蒸汽吹管法。降压吹管和稳压吹管技术在超(超)临界机组自流锅炉的吹管过程中都有应用。
吹管试验 [分化] blowpipe test
吹管焊接 solder with the blow tube ; blow pipe welding
气焊吹管 gas welding torch ; welding blowpipe ; gas welding blowpipe
吹管嘴 blowpipe nozzle ; blast pipe nozzle
氢氧吹管 oxy-hydrogen blowpipe ; oxy-hydrogen torch ; oxygen hydrogen torch
氧乙炔吹管 oxyacetylene blow pipe
焊接吹管 [机] welding torch ; soldering blow tube
乙炔截割吹管 acetylene cutting torch
直吹管 belly pipe ; blow pipe ; blast pipe ; straight blasting pipe
最后他们使用吹管使水银蒸发,以最终得到黄金。
They then vaporise the mercury using a blowtorch, leaving gold behind.
由于直吹管空间小,因而氧对煤粉燃烧率影响不大。
Pulverized coal burnout is slightly affected by oxygen because the space of blowpipe is small.
在下班或工作日结束的时候,关闭钢瓶阀门,放出调整器和吹管设备内的压力。
At the end of the shift or work day, close the cylinder valve and bleed the pressure off the regulator and torch equipment.
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