蒸汽锅炉外部检查有哪些重点?

对于运行中的锅炉,应对蒸汽锅炉外部的可见部分经常进行检查,主要检验锅炉管理,锅炉本体检验,安全附件、自控及;ぷ爸玫募煅,辅机和附件的检验,分汽(水)缸、锅炉范围内管道、支吊架的检验,水质管理和水处理设备的检验等。必要时,可拆除局部绝热材料进行检验。

1、安全附件、自控及;ぷ爸眉煅 
压力表在最高许可工作压力处是否划有红线标记,是否定期检验,有无铅封。压力表是否指示正确,可用标准压力表进行校验。安全阀需要校验安全阀的开启度和回座压力,运行时才能校验,安全阀校验后应有铅封。
Maximum allowable working pressure gauge in place if marked with red tags, whether regular inspections, with or without seals. Pressure gauge that indicates whether the correct standard gauge available for verification. Valve opening degree and the need to verify the back seat pressure relief valve, the runtime only after verification, check valve should seal.
2、水位表是否清晰,两侧水位表指示是否一致,阀门等处有无漏水、漏汽。水位表汽、水连通管是否畅通,照明设备是否完好等。
Water table is clear, both sides of the water table indicates whether the agreement, valves, etc. for leaks, steam leakage. Water gauge steam, water connecting pipe is smooth, lighting equipment is intact and so on.
3、自控及;ぷ爸,检查表计控制装置是否灵敏可靠,自动或手动控制是否能正常转换。
Automatic control and protection devices, check whether the meter is sensitive and reliable control devices, whether automatic or manual control can be properly converted.
4、各类门孔是否严密,有无渗漏和腐蚀。
All kinds of doors are tight holes, leaks and corrosion.
5、消烟除尘、脱硫装置检查:烟囱排放物是否达到国家规定标准,炉渣及处理炉渣的扬尘是否污染环境。除尘蜕硫的污水排放是否符合规定等
Smoke and dust removal, desulfurization unit tests: whether stack emissions meet the state standards, slag and dust processing slag whether environmental pollution. Sulfur dust shed effluent meets the requirements, etc.

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