A monster

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Vonda
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Hand Fed Coal Stove: Chubby born 1980
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Post by Vonda » Mon. Apr. 15, 2019 11:42 pm

I was wondering why my stove kept going out. Look what I found. It is almost as big as the ash pan. How are these formed

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franco b
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Post by franco b » Tue. Apr. 16, 2019 9:23 am

Vonda wrote:
Mon. Apr. 15, 2019 11:42 pm
I was wondering why my stove kept going out. Look what I found. It is almost as big as the ash pan. How are these formed
I would not call that a clinker, but just an agglomeration of ash partially hardened.

The Chubby does not have a draw center. The center of the grate gets very little agitation, so ash accumulates there. The recommendation is to floss that portion from below to clear it of ash.


 
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Vonda
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Post by Vonda » Tue. Apr. 16, 2019 9:36 am

Thanks. This is the first time I had ever had one right in the center like this.

 
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Sunny Boy
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Post by Sunny Boy » Tue. Apr. 16, 2019 10:22 am

Sometimes, if the fire gets hot enough, some coal parts of what makes up coal ash will fuse into larger chunks. As Franco said if it's not removed by shaking the grates, or by flossing up through the grates with a poker, it can accumulate.

When I run my range hot it fuses ash like that. But by rotating the triangular grates at least once each day, the teeth grinds them up while they are still relatively small before they can get to world-class size like yours. :D

Many of the old coal stoves and ranges came with a right-angled tip poker to do that flossing up through the grates.

Paul

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