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Bagasse boiler furnace design

Wednesday, July 26, 2017   By: all [2166] 0 Stars
Hi, How are you dear members.

I need information about bagasse boiler furnace design. Equations, reference values, etc.

Thanks.

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Wednesday, July 26, 2017   By: Ross Burns [390] 5 Stars
I think you know you will need at least a hired consultant to help you design your steam generator to burn or combust Bagasse. A big boiler manufacture is really needed to complete your design in detail and commissioning.

Sugar cane has sugar like raw juice lock in with the leafy matter or leafy pulp that we call Bagasse, which is a waste by-product. It has a low Btu per pound content of around 4000-Btu per lb. There is a lot of water in Bagasse of around 50 percent making combustion difficult. Interestingly, wood bark has twice the Btu per lb as Bagasse, but has about the same moisture amount. So dewatering Bagasse to some extent is something to consider, but we can still have stable combustion at 65% moisture content.

You may want to consider blending your Bagasse during combustion with wood or coal depending on local conditions.

The lower furnace is likely to be grated with traveling grates or vibrating grates which are well suited for biomass like Bagasse, but others are not.

The rest of the boiler or steam generator is pretty much the same as burning coal or wood.

Ross



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