Bin Custom Built for Rice and a

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Stoker Coal Boiler: efm 520 stoker fitzgibbons pressure vessel
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Coal Size/Type: rice
Other Heating: alpine propane condensing boiler radiant floor
Location: Wernersville pa

Post Mon. Jan. 14, 2008 8:01 pm

Hello everyone
I am able to custom build my coal bin for rice and auger operation, I will be able to slope the sides to the auger but I am missing some critical data at what slope does rice coal flow , how can I isolate the bin from the auger incase of maintainence. While this is not 520 specific it is thouigh
thanks for any help

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Stoker Coal Boiler: Leisure Line WL110 Dual Fuel, natural gas
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Coal Size/Type: Rice and Buckwheat Anthracite
Location: Wilkes Barre, PA

Post Mon. Jan. 14, 2008 8:55 pm

Welcome fran, generally speaking a 45* angle works pretty well. If you use OSB you might have to put a layer of tile board, or create a smoother surface to get it to slide easily to the auger.

The doghouse design found in the Axeman Anderson manual works well (you can use the search function to find it), as long as you can pull the auger back from the bin to work on it. Otherwise you will have to devise some kind of removable section to pull the auger out sideways. In any case you will need to prevent the coal from spilling out of the bin by sliding a door in place.

I'm sure others will chime in with some practical suggestions. Keep us posted as you complete your set up. :)

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Post Mon. Jan. 14, 2008 8:56 pm

In the 520 manual online, there is a drawing of a coal bin. It's not a bad design.

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Richard S.
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Stoker Coal Boiler: Van Wert VA1200
Coal Size/Type: Buckwheat/Anthracite
Location: NEPA

Post Mon. Jan. 14, 2008 9:49 pm

If the bin comes to point at the bottom how a typical hopper would you only need a little swing gate. Nothing fancy. For that matter you really don't need that. Forcing a auger & pipe into a little pile of coal is not an issue, just try to keep as much of the pipe exposesd as possible so it's not buried. If worse comes to worse you can hammer the pipe in then screw the auger in. Note that I'm talking from experience with Van-Wert and the auger is at a right angle off the back of the furnace so the furnace itself is not in the way. I can just disconnect the pipe and pull it out.

As for the bin itself realistically unless you have a high ceiling (I'd suggest 10foot or higher) this is very hard to accomplish. You're going to loose a lot of space on the sides, if you don't have a lot space vertically you won't be able to make a very large bin. Wherever the worm is you can basically take a line 40-45 degrees from there and that's all dead space on the one side. If you have a really high ceiling your set. Best bet if you have low ceilings is to just get a 55 gallon drum and/or just put the worm right in the bin. Shovel the rest when it reaches the point it cant take anymore. At that point you can put the 55 gallon drum in the bin too.

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