Issues related to coal-fired boilers
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What methods do fellow coal-fired boiler users use for ignition? Isn’t it by heating the furnace with firewood before turning on the burner? Also, when the burner shuts down, how is the fuel supply cut off? Is it through a valve or by simply stopping the operation of the coal grinder?
Coal-fired boilers are ignited using oil guns; nowadays, oil guns are the common method for ignition, though oil-free ignition methods exist as well, but they are rare； Don’t heat the furnace with firewood first and then turn on the burner! ! ! When the burner shuts down, oil burners achieve this by closing the oil valve ； There are two situations in which the coal powder burner stops: 1. In a direct-fired coal grinding system, it is the coal grinder that stops operating ； 2. The stored-grind coal preparation system involves shutting down the coal feeder. For the specific steps and details, you can check the relevant regulations.