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I’m told this is, or part of, a coal stoker tuyere? Can anyone tell me which it is, and what it’s purpose is?
PHC News Columnist
Minnich Hydronic Consulting & Design
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The stoker stove made it possible to sleep thru the nite. It was called the Risdan Stoker stove. He had a bunch rusting on his property. He told me that 2 bankers that he went to for financing stole his business. Concerning bankers, some things never seem to change.
Ya, I'm that old.
Minnich Hydronic Consulting & Design
Minnich Hydronic Consulting & Design
Just think of the last 40 years
cell phones (remember phone booths)
fiberglass ladders (remember wooden ladders)
battery tools (100ft cords...if you could find an outlet)
Turbo Torch
digital meters
pex, propress
refrigerant leak detectors (remember the halide torch)
Minnich Hydronic Consulting & Design
Minnich Hydronic Consulting & Design
Bob
Vaporstat with a 12oz cut-out and 4oz cut-in
3PSI gauge
Minnich Hydronic Consulting & Design
Is there any chance that the burn pot and auger are still intact and you could take a another picture of them and upload it??
If I remember the wilbert stokers correctly the burn pot rotated as the coal was being augered into the base of the burn pot at the same time the combustion air was being blown through the auger tube.
I THINK the Wilbert Stoker has a cam arm and gear that meshed with the teeth cast in to the burn pot along the top edge. There is a cam arm that was rotated by a gear attached to the coal tube and spun the pot at the same time the auger was feeding the coal.
If you contact the folks at marks supply in Shenandoah, pa they can tell you what it is and whether is belongs to a Wilbert or Iron fireman coal stoker or another brand of post world war one coal stoker.
From what I remember of the Van Wert coal stokers with the stationary burn pot with the underfed coal burn pot that uses a combustion fan with a gear box that also rotates the coal auger with a roller chain drive system through a belt driven electric motor.
It uses replaceable steel rings in the burn pot to allow the combustion air to enter the bottom of the burn pot using gasket rope to seal the rings and the base of the burn pot.
The EFM coal stoker also uses stationary burn pot with an underfed coal auger with a through drive system for the gearbox that rotates the auger as it the electric motor rotates the combustion fan with no V belts or chain drive.
Rather than using air diverter rings the burn pots on the efm units use heavy screens to allow the combustion air to enter the cast burn pot for the combustion air.
The Wilberts and the iron fireman and others used a lot of coal to make hot water or steam and I believe that they also had replaceable combustion air diverter rings and sealing gaskets.
The older stokers either spun the pot with a cam arm and gear that rotated the pot OR had an ash cutting ring that was lifted and lowered with a gear driven cam arm as the stoker was fed the rice anthracite coal in to the base of the burn pot to replace the burned rice coal that was flowing to the edge to be cut cut off the dead coal ash clinker that would fall into an ash basket.
There are some videos on you tube that show how some of the older stokers and the new stokers work.
To this day I regret not purchasing the Van Wert VA 400 coal stoker 37 years later as I would not have had the problems I have had with this keystoker that I had to have repaired and I would have eliminated my use of oil entirely for hydronic heat.
I hate my baseboard heat as I do not have enough thermal mass/water to keep my heating slow and even like I would with gravity hot water or 200+ linear feet of small radiators with 500 gallons of water in the system.
I believe that your Keystoker is designed for hard coal only. I do not know what you are trying to accomplish with your heating system but if you do not like it there are a lot of things you can change. If you want thermal mass add it. you could switch to cast iron standing rads or convecters or cast iron baseboard . All types are still available and there are a lot of guys out that will install the system that you want. Oh and gravity, you could install it but why would you?
Minnich Hydronic Consulting & Design