How big do you make a coal bin

Re: How big do you make a coal bin

PostBy: Scottaw On: Fri Jan 17, 2014 10:12 pm

Ggans, try to find grain bags if you want to bag your own coal. Breweries and feed stores have lots of them. They're a heavy woven plastic, usually 70-80lb when full of grain. I've filled them full of coal and not had one break.
Scottaw
 
Stove/Furnace Make: Hitzer
Stove/Furnace Model: 50-93

Re: How big do you make a coal bin

PostBy: alpineboard On: Thu Jun 26, 2014 8:41 pm

48" x 48" x 48"=110592 cubic inches divide that by 12 cubed(1728)=64 cubic feet
coal is 50 pounds/cubic feet , so (50 pounds/cubic feet) x (64 cubic feet)= 3200 pounds
minus the volume of 11 2x4's=150 pounds, so 3200-150=3050 pounds if filled completely.
I put the 2x4's on the inside of the bin and the bin looses 150 pounds as compared to
putting the sheathing on the inside, the bin looses 700 pounds. A difference of 500 pounds..
This bin cost $65.00 , home depot , 3 sheets 1/2" usb, I did put a top and door on it, (11) 2x4's, 3" screws and 2" screws.
The coal was free for the loading, 2 loads = 2 tons, so I built 2 of these, one for home and
one for shop, no more carrying one building to another,
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alpineboard
 
Stove/Furnace Make: jotul
Stove/Furnace Model: 507

Re: How big do you make a coal bin

PostBy: windyhill4.2 On: Thu Jun 26, 2014 9:15 pm

The easy way to do math for those like me who never got into mathimagican school .. 4'x4'x4' = 64 divide by 40 = 1.6 ton or 3200 #
windyhill4.2
 
Stoker Coal Boiler: 1960 EFM520 installed in truck box
Hand Fed Coal Stove: Crane 404 with variable blower
Coal Size/Type: 404-nut, 520 rice ,anthracite for both


Re: How big do you make a coal bin

PostBy: lsayre On: Thu Jun 26, 2014 9:21 pm

For pea I've simplified it down to 1.3 cubic yards = 1 ton
lsayre
 
Stoker Coal Boiler: AHS S130 Coal Gun
Coal Size/Type: Anthracite Pea
Other Heating: Resistance Boiler (It has been fixed!)

Re: How big do you make a coal bin

PostBy: paulm On: Thu Aug 14, 2014 3:14 pm

I am thinking about switching from bagged rice coal to bulk to save money. Rather than a bin, is there a reason not to simply pile the coal on the ground outside, and cover with a tarp??
paulm
 

Re: How big do you make a coal bin

PostBy: whistlenut On: Thu Aug 14, 2014 3:51 pm

The short answer is: yes. However it would be more intelligent to get it up off the ground and water or ice in the winter. You can do it anyway you want, but a little time spent constructing a frame and sides with a floor would sure help with storage, cleaning up, etc. Bare ground is a PITA to clean up. Obviously 4' dimensions for plywood, Advantec and 1/2" is OK, but 5/8" is better. The question is: How much do you use or need on hand? Mid winter delivery is not much fun, if even available. The simple box 4 by 8 by 4'tall (with a center wall for support) would hold 4*8*4 or 128 cubic feet, +/- divided by 43 cu.ft/ton or 2.97 tons in a perfect world. Safely, 2.5 tons. If you budget would allow it, a hinged roof that was waterproof would eliminate any wet coal issues, leaves, pine needles, etc. Do not forget that for this bin to last, you should use screws and or bolts along with nails to secure the floor, sides, ends top.......
whistlenut
 
Stoker Coal Boiler: AA130's,260's, AHS130&260's,EFM900,GJ&VanWert
Hand Fed Coal Boiler: Franks Boiler,Itasca415,NYer130,Van Wert
Hot Air Coal Stoker Furnace: Yellow Flame
Hot Air Coal Stoker Stove: Alaska-4,Keystoker-2,
Hand Fed Coal Stove: Alaska,Gibraltor,Keystone,Vc Vigilant 2
Hand Fed Coal Furnace: Van Wert, NYer's, Ford,Jensen.
Coal Size/Type: Rice,Buck,Pea,Nut&Stove
Other Heating: Oil HWBB

Re: How big do you make a coal bin

PostBy: Lightning On: Thu Aug 14, 2014 6:31 pm

When wet coal freezes in the winter, its like digging thru concrete to break it up.. You'll wanna keep it as dry as possible.
Lightning
 
Hand Fed Coal Furnace: Clayton 1537G
Coal Size/Type: Nut/Stove Size Mix

Re: How big do you make a coal bin

PostBy: Richard S. On: Thu Aug 14, 2014 7:02 pm

paulm wrote:I am thinking about switching from bagged rice coal to bulk to save money. Rather than a bin, is there a reason not to simply pile the coal on the ground outside, and cover with a tarp??


You can do that but I would suggest putting a tarp under as well as over it, especially if it's for a stoker. You don't even really need it over the coal except to keep the rain and snow off it so it doesn't freeze together.
Richard S.
 
Stoker Coal Boiler: Van Wert VA1200
Coal Size/Type: Buckwheat/Anthracite

Re: How big do you make a coal bin

PostBy: paulm On: Mon Aug 18, 2014 9:13 am

thanks for you valuable replies and suggestions. I will plan to build a solid bin that will last for years. I looked for ready made coal bunkers to buy rather than build - but, interestingly, it looks as though they are commonly for sale in the UK, but not in the USA . For this year, I may go with bagged until I have time to build a good setup for bulk.
paulm
 

Re: How big do you make a coal bin

PostBy: Phil May On: Fri Oct 03, 2014 6:02 pm

Just got done it will hold 25 ton
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Phil May
 
Stoker Coal Boiler: EFM 700
Coal Size/Type: Buckwheat
Stove/Furnace Make: EFM
Stove/Furnace Model: 700