About boiler cleaning?
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When the boiler was cleaning slag, the temperature inside was too high. The worker's feet were also burned while wearing high-temperature-proof shoes. What is the solution?
The best way is to wait for the temperature to drop before cleaning, otherwise you have to wear fireman's clothes.
While cleaning the slag, flushing with groundwater can reduce the temperature of the slag.
It is a powder boiler with a surface temperature of up to 600 degrees. And it's very dusty inside.
A 260t circulating fluidized bed boiler I am responsible for happened to be cleaning slag today. The situation is like this. During the inspection after the No. 1 furnace was shut down normally, it was found that part of the wind cap fell off, causing a large amount of slag to fall into the water-cooled air chamber. The water-cooled air chamber was not designed with a slag pipe or sewage pipe. The slag could only be removed from the manhole door bit by bit. It was very inconvenient, and the slag temperature was very high and it was not ventilated. We can only lay wooden shelves on the surface of the slag, which is very laborious.
Ventilate it first and let the temperature drop.
It’s better to wait until the temperature drops before cleaning, safety first.
Before shutting down our boiler, we blow off more sewage to lower the water temperature in the drum and water pipes. Then we push out the coal and continue to turn on the blower and induced draft. Soon the temperature of the furnace drops down. When entering the furnace to clean the ash and coke, the draft is turned on, so it is neither hot nor too dusty. I don't know if the boiler you are talking about is applicable.
Don't you clean the slag according to the boiler maintenance regulations? ? Why go in at such a high temperature? ? ? ?
Yes, how can anyone endure such a high temperature inside? Moreover, it is not safe to cover your eyes with sweat at high temperatures. It is recommended that you go in after the temperature drops or, as the sea friends on the forum said, turn on the fan to blow air inside to lower the temperature! !