· PDF fileFURNACE EXPLOSION Furnace explosion is rare, but very severe in nature. This situation exists because furnace is supplied with explosive accumulation. Just a minute part of those explosive charges receive sufficient ignition energy to actually cause an explosion.
There can be many different causes, such as failure of the safety valves, corrosion of critical parts of the boiler, or low water level. Corrosion along the edges of lap joints was a common cause of early boiler explosions. The second kind is a fuel/air explosion in the furnace, which would more properly be termed a firebox explosion.
OverviewThe defective or damaged pressure parts of biomass fired boiler can cause the explosion in a certain extent,such as,the corrosion and wear of steel,the defects forming in manufacture,troubleshooting and weld,poor heat transfer because of dirt accumulation,rapid cooling because of unright feedwater,may cause the explosion accidents.
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In liquid fuels the spillage is the main cause of fire in the boiler, the gaseous fuels leakage and detection of this leakage is the major concern also the electrical gadgets used in this area should confine to fire protection standards.
Sometimes people do not run the water softener plant because of cost. This is a suicidal decision. By the water, pump water sends to the boiler and ignite by burning gas or oil inside the boiler. There are two common mechanical safety valves with each boiler.
01-10-2019· Generally there are three main reasons a boiler may explode. The first of these is crown sheet failure. The crown sheet is the part of the boiler above the firebox which is covered with water at all times. The boiler is under pressure and this pressure keeps the water from boiling.
23-04-2020· Boiler explosions can result from a number of factors. The primary reason for them is a faulty pressure relief valve. Inner corrosion of the boiler plates is another primary reason a boiler will explode or suffer a catastrophic failure.
The main causes of the explosion accident are as follows. Illegal operation: firstly, before igniting the stove, the operator doesn't clean seriously the hearth or the cleaning time is not enough. When the natural gas in the furnace meets the fire, the boiler will explode.