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peterg
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Join Date: Aug 2013
Posts: 2

Boiler Furnace Conversion

08/10/2013 2:07 PM

Dear sir

please let me know what changes to be done in baggasse boiler furnace for burning 100% briquette. at present boiler furnace designed for only 100% bagasse burning & we want to conevert it in 100% briqutte.

we tried to burn in exisisting furnace but we face problem of ash melting in furnace & then molten ash stuck to furncae wall.
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RAMConsult
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Engineering Fields - Power Engineering - New Member

Join Date: May 2007
Location: NYC metropolitan area.
Posts: 3230
Good Answers: 444
#1

Re: boiler furnace conversion

08/10/2013 2:18 PM

The most important thing to change is the premise that some anonymous group of engineers will help you redesign your boiler and firing control system for free. Boiler design is an art as well as a science, and as you have discovered can't be approached in a random fashion. There are experts who do this for a living, hire them now to save time and money in the future.

__________________
 “Tell me and I forget. Teach me and I remember. Involve me and I learn.” Ben Franklin.
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lyn
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Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#2

Re: boiler furnace conversion

08/10/2013 2:26 PM

RAMConsult is right.

Some things are not free. This is one.

Do yourself a favor and break loose a buck and hire someone.

Samarth Engineers & Consultants Maharashtra India - SlideShare

Conversion of furnace oil fired boiler to briquette-fired system ...

Nash Mechanical services, furnace installation, Remodel projects ...
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tcmtech
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Join Date: Jun 2009
Location: South of Minot North Dakota
Posts: 8376
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#3

Re: Boiler Furnace Conversion

08/10/2013 9:14 PM

Obviously if it is running so hot that it it melting the furnace you are putting way too much fuel and air to it so that should be some clue as to what needs to be adjusted or modified.
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MUKULMAHANT
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Engineering Fields - Systems Engineering - New Member Hobbies - Model Rocketry - New Member

Join Date: Dec 2006
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#4

Re: Boiler Furnace Conversion

08/10/2013 10:52 PM

Go on increasing Oxygen % . You will burn everything .Some % baggasse should help.
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dhayanandhan
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Engineering Fields - Mechanical Engineering - New Member

Join Date: May 2008
Location: CHENNAI, TAMIL NADU, INDIA.
Posts: 1851
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#5

Re: Boiler Furnace Conversion

08/11/2013 2:01 PM

Dear Mr.peterg,

It appears from your posting, that the problem was handled in a hapahazard way.

Several Factors, like, Heat Flux, Heat Release Rate, Excess Air, Furnace Temp. etc. apart from other factors play a vital role, in the Boiler Working.

Baggasse has 38% Volatile Matter and also Mill Baggasse has 50% Moisture and released during ignition. Volatile Matter Burns with a LONG FLAME and Moisture is driven out from the Baggasse and gets mixed in the flue gas, and remains as SUPER HEATED STEAM in the Flue Gas. The residue mass - on the grate, burns where the heat flux is less.

But the briqutte will not have Volatile Matter and even if it has - it may not be as that of Baggasse.

You may have to go from the 1st step and you cannot blindly do as you feel. Pl. post more working data and design parameters of the Boiler.

DHAYANANDHAN.S
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Users who posted comments:

dhayanandhan (1); lyn (1); MUKULMAHANT (1); RAMConsult (1); tcmtech (1)

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