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Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be r...

Burning Coal


Anthracite - or 'hard coal' - Burns VERY cleanly but is difficult to ignite and keep burning. In order to burn .... Coal burns at a hotter temperature than wood does.

The ignition temperature of coal - Ideals


of a coal does not serve as an indication of the ignition point. Strictly speaking, it is ..... For example, the point at which the coal burns with a blue flame is a rather ...

COAL VERSUS CHARCOAL - moose creek enterprises


As coal begins to burn, all of the various impurities (tars, oils, sulfur, various trace ... In the immediate proximity of a charcoal-fired forge the air temperature is ... The molten sulfur which does not oxidize in a coal fire will drip to the bottom of the ...

Coal Appliances - COAL - TIPS FOR STARTING A COAL FIRE | Hearth ...


Oct 17, 2015 ... Coal fires are not as easy to start as wood fires and the ease of burning will ... Since coal can be regulated better than wood, a deep bed does not mean that ... ENOUGH DRAFT UNLESS OUTSIDE TEMPERATURES ARE BELOW THIS. ... When it burns and gets pulled up the chimney-then light the coal fire.

What Is Anthracite Coal? - Energy - About.com


May 8, 2016 ... Anthracite is considered the cleanest burning coal available. ... and free burning, because when it is ignited it does not "coke" or expand ... Dry-bottom furnaces are used because of anthracite's high ash fusion temperature.

Fuels and Chemicals - Auto Ignition Temperatures


The Autoignition Temperature - or the minimum temperature required to ignite a gas or vapor in air ... Bituminous coal - glow point, 454, 850 ... range of a gas or vapor concentration that will burn or explode if an ignition source is introduced.

Coal and Charcoal - Anvilfire


Mar 31, 2002 ... This means that the maximum temperature of a coal fire in a forge is about .... The volatiles help keep the coal burning but are driven off by the ... Does anyone have the details for making charcoal by the "pit burning" method?

Frequently Asked Questions - Hitzer Stoves


Anthracite coal burns very warm and clean producing no dirty soot or particle build ... These variables include the exterior weather conditions, room temperature ...

How Coal Works | Union of Concerned Scientists


When the coal burns, it gives off sulfur dioxide, ... coal and limestone are blown into the bed at high temperature.

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How hot can you get a coal fired forge? | Rebuilding Civilization


According to "Marks' Standard Handbook for Mechanical Engineers", 10th, coal gas burns at about 3,590°F (1,977°C) under 100% air conditions. More or less ...

How hot does coal burn? - Ask.com


Coal can burn at temperatures greater than 3500 degrees F. Since burning is a chemical reaction that is dependent on the presence of oxygen, the more air ...

Weighing the options of coal vs. wood - CSMonitor.com


Nov 12, 1980 ... Unlike wood, coal does not need to be seasoned and, if left in the rain ... to take the considerably higher temperatures given off by burning coal.