A> Internal inspect of trouble boiler: Look at the combustor, gas pass, electrostatic precipitators, super-heater, re-heater,economizer, preheater, cold slag bucket, milling system,as well as parts to make certain that nobody is working inside,no tools are nevertheless behind,no sundries on heating surface,scaffolding is slowly removed,no fouling and slagging in cold ash bucket,no sundries in slag conveyor and slag warehouse.
B> External inspect of domestic trouble boiler: To become ensure the insulation of trouble boiler furnace wall and also other parts is well,supports and hangers are intact and firm,long soot blower influences exit position,flue gas temperature probe and parts expansion indicators is intact and correct,lighting is good,fire machines are complete etc.
C> Pre heater external inspection: Ensure the appearance of preheater is complete,driving and variable speed device is extremely good,oil a greater level some part is normal,sealing device is really a useful one,pipeline valves are complete,don't possess a leakage,the cooling water of bearing box is usual.
D> Combustion system checking of domestic hot water boiler:Ensure the thermal insulating of burner is nice,no fouling is around the oxygen passage and bellows,oil gun, igniter and electromagnetic valve are intact and good,oil gun and igniter come in the exit position.
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Building a hot water boiler |
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