Clinkers?

ColdHouse · Post by **ColdHouse** » Sat. Feb. 04, 2023 5:01 pm

davidmcbeth3 wrote: ↑
Sat. Feb. 04, 2023 4:55 pm
http://www.penncoal.com/

Got bit delivered from them.....?

I think not. Looks, burns, and feels like Anthracite.

davidmcbeth3 · Post by **davidmcbeth3** » Sat. Feb. 04, 2023 5:10 pm

ColdHouse wrote: ↑
Sat. Feb. 04, 2023 5:01 pm
I think not. Looks, burns, and feels like Anthracite.

They delivered it to you tho?

I might want to call them about some bit..that Essex steam train buys bit I know..where they get it I don't know.

ColdHouse · Post by **ColdHouse** » Sat. Feb. 04, 2023 5:17 pm

davidmcbeth3 wrote: ↑
Sat. Feb. 04, 2023 5:10 pm
They delivered it to you tho?

I might want to call them about some bit..that Essex steam train buys bit I know..where they get it I don't know.

I purchased a truckload from them. They in turn arranged bagging and transport and billed me for the entire service. It was delivered to a Farmington CT location where my wife is employed. They offloaded the truck and I picked it up 6 skids at a time and brought it home.

ShawnLiNy · Post by **ShawnLiNy** » Sat. Feb. 04, 2023 5:28 pm

Retro_Origin wrote: ↑
Sat. Feb. 04, 2023 4:30 pm
Clinkers are only problematic because of air or feed restriction, a nuisance item, they doesn't indicate poor quality or improper burn- if anything the reverse. Am I right in saying that? Or am I misunderstanding things?

You are correct as far as fused silica/clay clinkers ( these can come from high quality coal , lower quality coal contains rock , higher mineral content etc which find themselves and grow larger) in the layers and structure of coal not just errant pebbles in the batch

nut · Post by **nut** » Mon. May. 08, 2023 10:23 am

I just cleaned out the ashes from my Glacier Bay. I found some good size clinkers just above the grate. This explains the airflow problems all season. Also had trouble shaking down the stove uniformly. Never had a problem in all my years burning in this stove until switching to Blaschak 3 seasons ago.

Hoytman · Post by **Hoytman** » Mon. May. 08, 2023 12:20 pm

Burned Blashak for 4 years now. That’s all the experience I have with anthracite…not much. Never had a problem once I figured things out. The rest were man-made problems. I’m just talking about myself here.

I think next year I’ll start fully cleaning out the stove at least once each year during mid-season. Just as insurance against problems.

davidmcbeth3 · Post by **davidmcbeth3** » Mon. May. 08, 2023 12:33 pm

I concur with Hoytman. I've burned Santa Claus coal on and off , exclusively this season. Zero clinkers this season. First season some..getting used to the stove settings.

waytomany?s · Post by **waytomany?s** » Mon. May. 08, 2023 12:34 pm

nut wrote: ↑
Mon. May. 08, 2023 10:23 am
I just cleaned out the ashes from my Glacier Bay. I found some good size clinkers just above the grate. This explains the airflow problems all season. Also had trouble shaking down the stove uniformly. Never had a problem in all my years burning in this stove until switching to Blaschak 3 seasons ago.

Now that you know it can happen, just fish for them once a week. Should be able to feel them with your poker or when shaking seems to give poor results.

Sunny Boy · Post by **Sunny Boy** » Mon. May. 08, 2023 1:00 pm

Yesterday I used up the last bag of 6 tons of Blaschak I bought last year. And I've used many tons of it before - both bagged and bulk in my range and my base heater. I've also used tons of Kimmels and Lehigh. Of those three, I've found that the Blaschak is the least prone to clinker and grow iron "meteorites".

I also find that they all are more prone to clinker in the deep firebed of my base heater than in the range with its shallower firebed. The base heater having a magazine that puts a lot of coal weight on the firebed to compress the coal when it is hot enough that it gets fusible and "sticky".

Back when the range grates were warped, and I could rotate them I'd have to shut the range down about every week or so and dig out the clinkers that were filling the bottom of the firebed.

However, since having new grates recast, I don't have problems with clinkers growing because at least once a day I rotate the triangular grates in both stoves. That chews up and dumps the clinkers before they get too tough.

It's not just brand of coal that causes clinkers, depth of firebed and how hot you run it also contribute.

Paul

Post by **StokerDon** » Mon. May. 08, 2023 6:07 pm

The Clinker equation is pretty simple.

Burn coal hotter than its ash fusion temperature, you create Clinkers. For Anthracite the ash fusion temperature is in the 1200 to 1400 degree range.

Here's a small one from my Axeman Anderson. It sometimes spits ones out that are the size of a small Pizza!

.JPG | 475.4KB | IMG_0003 (2).JPG

-Don

Retro_Origin · Post by **Retro_Origin** » Mon. May. 08, 2023 9:27 pm

StokerDon wrote: ↑
Mon. May. 08, 2023 6:07 pm
The Clinker equation is pretty simple.

Burn coal hotter than its ash fusion temperature, you create Clinkers. For Anthracite the ash fusion temperature is in the 1200 to 1400 degree range.

Here's a small one from my Axeman Anderson. It sometimes spits ones out that are the size of a small Pizza!
IMG_0003 (2).JPG

-Don

Even the children she makes are beautiful...

Sunny Boy · Post by **Sunny Boy** » Tue. May. 09, 2023 6:20 pm

Ok,.... which one of you guys has been chucking clinkers ?

https://www.yahoo.com/news/apparent-meteorite-cra ... 53636.html

I've had some iron slag "meteorites" grow close to this size back when I still had warped grates in the range.

Paul

davidmcbeth3 · Post by **davidmcbeth3** » Tue. May. 09, 2023 8:45 pm

Sunny Boy wrote: ↑
Tue. May. 09, 2023 6:20 pm
Ok,.... which one of you guys has been chucking clinkers ?

https://www.yahoo.com/news/apparent-meteorite-cra ... 53636.html

I've had some iron slag "meteorites" grow close to this size back when I still had warped grates in the range.

Paul

My father was killed by a meteorite .