Dead Spot in Coal Bed

Modern and vintage hand fired coal stove are similar to a wood stove and in some cases can burn either. They need to be regulated and fed by hand usually every 12 to 24 hours depending on your usage. They require no power to operate making them ideal for rural settings with long power outages.
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italia899
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Posts: 56
Joined: Tue. Feb. 07, 2006 10:33 pm
Stove/Furnace Make: Brunco
Stove/Furnace Model: Hearthglow
Location: NE Ohio

Post Fri. Oct. 27, 2006 10:45 am

Hello,

I have been burning coal for about 2 straight weeks and I love it (first year burning coal). The high temps. outside have been 45-50 and the lows around 38-40 in NE Ohio. I have a Brunco hand fired fireplace insert. I have been burning a mixture of about 70% nut and 30% pea anthracite.

I have been getting dead spots or ash build up (if those terms are interchangeable) in the center of the very front of the coal bed, about 4 inches in length, 1 inch in depth. I fill the coal in the front up to the bottom of the glass. The rest of the coal bed is to the top of the firebrick. These dead spots come after a good 10-12 hrs. of burn time. Is this normal? When the temps get colder and the draft increases will the dead spots come sooner or will they disappear? Thanks!

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davemich
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Posts: 132
Joined: Tue. Dec. 20, 2005 6:26 pm
Location: St Joseph, Mi.

Post Sat. Oct. 28, 2006 9:07 am

I get those dead spots as well. I use a little quarter inch metal rod to assist in the shaking of my grate. I run this rod along the grate by opening my ash door and sticking the rod in on the pivots of each of my 2 grates. This process moves a lot of ash that shaking didn't dislodge. This seems to assist in getting rid of the dead spots.

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italia899
Member
Posts: 56
Joined: Tue. Feb. 07, 2006 10:33 pm
Stove/Furnace Make: Brunco
Stove/Furnace Model: Hearthglow
Location: NE Ohio

Post Sat. Oct. 28, 2006 11:23 am

So you run the rod underneath the grates? I will try this, thanks Dave.

One thing I just realized: I have been shaking in only one direction (middle to back) and have not been shaking from middle to front. Hmmmm...that may explain the dead spots in the front.

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davemich
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Posts: 132
Joined: Tue. Dec. 20, 2005 6:26 pm
Location: St Joseph, Mi.

Post Sun. Oct. 29, 2006 7:04 am

My shaking of the grates consists of several jerky back and forth motions of each grate (I have 2). Mine run the length of the fire box. Invariably a lot of ash settles on the grate when I shake and the rod just clears that ash off.

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