电蒸汽锅炉http://www.jnshengxin.cn/在设计时考虑在制造、安装、检修和进行锅炉水压试验时需排除容器内空气，因此在汽包或饱和蒸汽引出管、各级过热器、再热器上联箱或连通管均设计了空气管。很多时候，锅炉投入使用后会发生空气管泄漏事故，泄漏部位大多为空气管与管接头对接焊缝和空气支管与空气总管角焊缝。分析泄漏原因为：空气管路一般为安装单位根据现场情况自行排放，各类监督检查不重视，焊口无坡口、对口偏斜、管道开孔为气割、焊缝夹渣、气孔、未焊透等缺陷较多，运行中由于震动、热应力等原因使内在缺陷发展成泄漏。
Electric steam boilers designed to take in the manufacture, installation, maintenance and boiler pressure test conducted to the exclusion of the air inside the container, so the drum or saturated steam extraction tube, levels superheater, reheater header on or connecting pipe are designed air duct. In many cases, the air duct leakage will occur after the boiler in use, mostly for air pipe leak site and butt weld pipe fittings and manifolds and air duct fillet. Leakage analysis for: air line installation is generally self-discharge unit according to the site, do not pay attention to all kinds of supervision and inspection, no groove weld counterparts deflection, pipe openings for gas cutting, welding slag, porosity, incomplete through many other defects, running due to vibration, thermal stress and other reasons so inherent defects develop into leaks.
电蒸汽锅炉排污疏水管道属于安装单位根据现场情况自行敷设，大多数是沿锅炉敷设。此类管道泄漏有以下几种情况：因管道敷设焊口背面焊接条件差，焊接缺陷多，从而导致泄漏；管道与阀门对接焊口泄漏较多，原因多为管道未打坡口且对口不同心、偏折、强力对口等；联箱管接头与管道对接焊口或焊止线泄漏，主要因为管道固定在钢架上，而联箱随炉膨胀，由于锅炉起停频繁，导致焊口疲劳；管道因内外腐蚀减薄而爆管，主要是内部不流动疏水和外部雨水的腐蚀造成。
Electric steam boiler units installed sewage drains are laid according to the situation on their own, mostly along the boiler installation. Such pipeline leak in the following situations: Due to weld pipe laying on the back of poor welding, weld defects, leading to leakage; butt weld pipe and valve leak more and more reasons for not playing the pipe beveling and their counterparts in different heart , deflection, and other powerful counterparts; header pipe fittings and pipe butt weld or solder stop line leakage, mainly because the pipe is fixed on a steel frame, while the expansion header with the furnace, boiler due to start and stop frequently, leading to weld fatigue; inside and outside the pipe due to corrosion thinning and burst pipes, mostly immobile hydrophobic internal and external corrosion caused by rain.
由于电蒸汽锅炉http://www.jnshengxin.cn/主、再热蒸汽系统、给水系统的温度套管大多数为螺纹连接式，投运后随着启停次数的增加，管内介质流动引起振动，会造成因温度套管螺纹处泄漏而在低谷时焊补或机组调停时更换温度套管，给安全、经济运行带来一定的威胁。
Because electric steam boilers Lord, temperature reheat steam system, water supply system for threaded bushing majority type, put into operation with the increase in the number of start and stop, causing medium flow tube vibration will cause leaks due to temperature casing thread the replacement of the low temperature of the casing at the time of mediation when welding or crew to safety, the economy has brought a threat.
