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Editing 40d:Refined coal
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− | + | '''Refined coal''' and '''fuel coal''' are two in-game terms that refer to any unit of charcoal or coke, the two fuels are used to power high-temperature industries, namely metalworking and glassworking. One unit of either of these fuels is required for every task at a conventional (non-magma) [[smelter]], [[forge]], [[kiln]], or [[glass furnace]]. Magma versions of these facilities do not need fuel, and in fact cannot use conventional fuel to power them if their magma sources fail. | |
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− | '' | + | ''(Note that [[Bituminous coal]] is '''not''' a "refined coal" or "fuel coal", though it is directly related.)'' |
− | + | == "Fuel" == | |
− | + | Though not seen in-game, the single word "fuel" is sometimes used informally in the forums and in various wiki articles in place of the in-game terms "refined coal" or "fuel coal". Since some understandable confusion can arise over the usage of the various terms "'''refined coal'''", "'''fuel coal'''", "'''charcoal'''" and "'''coke'''" (and also "[[bituminous coal]], which is ''not'' a fuel), the simple umbrella term "fuel" will be used in the explanations in this article. | |
− | Though not seen in-game, the single word "fuel" is sometimes used informally in the forums and in various wiki articles in place of the in-game terms "refined coal" | ||
− | The two sub-types of fuel are ''charcoal'' and ''coke'', and they are | + | The two sub-types of fuel are ''charcoal'' and ''coke'', and they are identical for in-game purposes, even if they come from different sources and have different in-game names. Whenever you see "fuel coal" or "refined coal", those refer to ''either'' charcoal or coke - they are interchangeable, and either one will serve the same purpose, as fuel for the desired activity. |
− | Both charcoal and coke come in [[ | + | Both charcoal and coke come in [[block]]s, and are stockpiled in the Bars/Block [[stockpile]] under the "coal" entry. There is currently no way (nor need) to distinguish between the two when designating stockpiles. |
− | At the risk of repetition, but to be perfectly clear - ''despite the different names, there is no distinction between charcoal and coke for any | + | At the risk of repetition, but to be perfectly clear - ''despite the different names, there is no distinction between charcoal and coke for any game activities.'' Both are "refined coal" or "coal fuel", or just "fuel". |
− | + | Charcoal and coke are ''not'' [[fire-safe]] building materials. | |
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== In-game usage == | == In-game usage == | ||
− | At a conventional (non-magma) | + | At a conventional (non-magma) smelter, if you try to add a smelting task and have no fuel, you will see the message: |
<blockquote>"'''Must have coal fuel'''"</blockquote> | <blockquote>"'''Must have coal fuel'''"</blockquote> | ||
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If you have queued up several tasks and then run out of fuel, you will get an announcement similar to: | If you have queued up several tasks and then run out of fuel, you will get an announcement similar to: | ||
− | <blockquote>"'''[[ | + | <blockquote>"'''[[Urist|Urist McFuelUser]] cancels job: Needs refined coal.'''"</blockquote> |
Note that a forge or glass furnace ''will'' let you add tasks if you have no fuel, and only once a dwarf arrives and finds they cannot complete that task will you get the announcement to that effect. You will get one announcement for each un-fueled task that is unable to be completed. Jobs are canceled when there is no fuel. | Note that a forge or glass furnace ''will'' let you add tasks if you have no fuel, and only once a dwarf arrives and finds they cannot complete that task will you get the announcement to that effect. You will get one announcement for each un-fueled task that is unable to be completed. Jobs are canceled when there is no fuel. | ||
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When you get either of these messages, you need more fuel - either charcoal or coke will serve equally well. | When you get either of these messages, you need more fuel - either charcoal or coke will serve equally well. | ||
− | + | == The two sub-types of fuel == | |
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+ | There are 2 sub-types of conventional fuel - [[charcoal]] and [[coke]]. Charcoal and coke are identical in use - one unit of either one powers one activity at a conventional smelter, forge, kiln or glass furnace. The only difference is their source. | ||
− | + | [[Wood]] does not burn hot enough to fuel these activities or facilities, and (in Dwarf Fortress) you cannot burn [[bituminous coal]] or [[lignite]] that has been mined and not refined in a smelter (altho' they are flammable). | |
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=== Charcoal, from wood=== | === Charcoal, from wood=== | ||
− | :Charcoal is created at a [[wood furnace]] using one [[wood]] log by a [[dwarf]] with the [[Wood | + | :Charcoal is created at a [[wood furnace]] using one [[wood]] log by a [[dwarf]] with the [[Wood burning|Wood Burning]] [[labour]] enabled. [[Skill|Skill levels]] in the [[wood burner|Wood Burner]] [[skill]] are not required but reduce the time required for this activity. |
::* Required Building - [[Wood furnace]] | ::* Required Building - [[Wood furnace]] | ||
− | ::* Required | + | ::* Required Labour enabled - [[Wood burning]] |
::* Required Material - [[Wood]] | ::* Required Material - [[Wood]] | ||
===Coke, from bituminous coal or lignite=== | ===Coke, from bituminous coal or lignite=== | ||
− | :Coke is a type of refined coal, and is identical to charcoal for all game purposes. It is created at a [[smelter]] using one unit of fuel by a [[dwarf]] with the [[Furnace operating|Furnace Operating]] | + | :Coke is a type of refined coal, and is identical to charcoal for all game purposes. It is created at a [[smelter]] using one unit of fuel by a [[dwarf]] with the [[Furnace operating|Furnace Operating]] labour enabled. [[Skill|Skill levels]] in the [[Furnace operator|Furnace Operator]] skill are not required but reduce the time required for this activity. |
− | :Coke can be created | + | :Coke can be created with [[bituminous coal]], producing 3 coke (net gain of 2 fuel), or [[lignite]], producing 2 coke (net gain of 1 fuel). Magma smelters do not require conventional fuel for this process, and so the yield for each is +1 greater. |
− | ::*Required Building - [[Smelter | + | ::*Required Building - [[Smelter]] |
− | ::*Required | + | ::*Required Labour enabled - [[Furnace operating]] |
::*Required Material - [[Bituminous coal]] or [[lignite]] | ::*Required Material - [[Bituminous coal]] or [[lignite]] | ||
::::::: - ''plus'' one unit of fuel per unit smelted, if at a conventional smelter | ::::::: - ''plus'' one unit of fuel per unit smelted, if at a conventional smelter | ||
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== Magma facilities == | == Magma facilities == | ||
− | Magma replaces conventional fuel for [[magma smelter]]s, [[magma forge]]s, [[magma kiln]]s and [[magma | + | Magma replaces conventional fuel for [[magma smelter]]s, [[magma forge]]s, [[magma kiln]]s and [[magma furnace]]s. No fuel is needed, nor can be used, for activities at these facilities. |
== Pig iron and steel production == | == Pig iron and steel production == | ||
− | Note that when [[smelting]] [[pig iron]] or [[steel]] | + | Note that when [[smelting]] [[pig iron]] or [[steel]], one unit of either charcoal or coke is required in the reaction. Again, there is no distinction - both charcoal and coke serve equally well in the production of [[bar]]s of either. That same one unit can simultaneously serve as the fuel for the activity at conventional (non-magma) smelters, so there is no savings at [[magma smelter]]s in producing these two materials - one (and only one) charcoal or coke is consumed each time, either way. See those articles for more information. |
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:* [[Smelting]] | :* [[Smelting]] | ||
− | + | [[Category:Physics]] | |
− | + | [[Category:Materials]] |