What should I do if the burner on the gas branch pipe is clogged?
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Many burners have been damaged due to leaks, and I wonder if experts have any effective solutions?
The burner is a device that controls the amount of gas distributed to each vertical flame channel in the combustion chamber of a two-zone side-entry coke oven. There are only orifice plates on the gas branch pipes, and nozzles (small orifice plates) on the lower nozzles – are there no burners? Is what the original poster is referring to an ignition channel burner being formed due to leakage, or is it the graphite in the vertical brick gas channels (or header bricks) of the downward-firing coke oven that is blocked? This post was last edited by 26722672 on 2009-2-25 20:17.]
Treatment method for graphite buildup in vertical brick gas channels: Heat them with coke oven gas or create a leak; a small amount of graphite does form in such vertical brick gas channels (to be precise, at the gas outlet of the lamp brick). When carbon deposits accumulate, the air introduced through the carbon removal holes can be used to burn them away. Sometimes, other factors prevent the introduced air from burning the graphite, causing it to accumulate thicker and thicker until the vertical brick gas channels become blocked. We utilize the carbon-removal pore principle: we connect one end of a rubber tube to compressed air and the other end to a short iron pipe, which is then inserted directly into the lower nozzle (it’s best to do this as soon as the flow direction changes from upward to downward). Turning on the air supply for a few minutes is sufficient to completely remove the carbon buildup, and this can be done by two people. This post was last edited by 26722672 on 2009-2-25 21:46]
What I’m referring to is the part in the combustion chamber at the top of the branch pipe leading to it; due to leakage, the perforated bricks there were melted and turned into dead ends.
Still don’t understand: o Is it a leak from the carbonization chamber into the combustion chamber that has melted the lamp base brick? Or...? This post was last edited by 26722672 on 2009-2-25 21:47.]
Yes, it’s likely that a leak in the carbonization chamber has damaged the burner brick, which is the hole through which gas is supplied into the combustion chamber.
Has the lamp holder brick melted? There are quite serious issues with temperature control; heat can only be circulated from below upwards. When the bricks deteriorate, stainless steel pipes are inserted from below to replace the original brick gas ducts. . Personal opinion, for reference only. . .
Can steel pipes withstand such high temperatures?
It should be a lamp holder brick; one can only insert a rod from below upwards.
Are you burning furnace gas? It is possible to use 10-mm rebar to push from the bottom up, and it is also feasible to combine this with using rebar of 20 mm or more to drive from the top down; generally, this approach will succeed – that’s our experience. As for the lamp base bricks being gone, well, it doesn’t matter. As long as gas is supplied, there will be heat – it’s still better than having no heat at all, right? However, the problem of leakage from the carburization chamber must be resolved. I suggest setting the pressure in the gas collection pipe to a higher level, which will reduce leakage from the carburization chamber into the combustion chamber. Once graphite has gradually formed on the furnace walls, the normal pressure for the gas collection pipe can be restored. Also, if you keep doing this, it’s better to keep the collector pipe pressure high for an extended period; although this will result in more smoke coming from the furnace, it’s still better than damaging the furnace, right? Haha, my personal suggestion is for reference only.