The boiler efficiency is usually reduced to 84-85% when a coal fired boiler is converted to natural gas. The biggest change is due to the combustion of Hydrogen. This is normally a 4% heat loss while firing coal and about a 11% heat loss while firing natural gas. When firing other losses such as dryGet a Quote
Design considerations. The main goal when designing a boiler is to extract as much of the energy from the fuel as possible. To do so both the fixed carbon and volatile matter must be burned completely. Since one part is solid and the other gas this task is not easy.Get a Quote
Upgrading your furnace or boiler from 56% to 90% efficiency in an average cold-climate house will save 1.5 tons of carbon dioxide emissions each year if you heat with gas or 2.5 tons if you heat with oil.Get a Quote
Basic principles of burning natural gas are discussed along with impacts on the current equipment. The differences associated with converting major power boiler types -- package boilers and field-erected wall and t-fired units are reviewed. Other boilers biomass and coal stokers recovery boilers and fluidized bed boilers -- can utilize natural gas as an auxiliary fuel for startup or load carrying capacity.Get a Quote
A number of small modifications to the boiler are required the most important of which is a reduction of the orifice size to control the flow of the gas. The flow rate of the input gas must also be adjusted to take care of the fact that hydrogen is much less dense than natural gas but has a higher calorific value.Get a Quote
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