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This page is a translated version of the page Steam Boiler (Railcraft) and the translation is 8% complete.
本文介绍的是the Railcraft Steam Boiler。关于其他用法,请参见Steam Boiler.
Steam Boiler


The Steam Boiler is a multiblock structure from the Railcraft mod. This structure is used to turn water and fuels into Steam, for powering engines and other machines that require it.

Steam Boilers are composed of two parts: the boiler and the firebox. The boiler is composed of Boiler blocks and determines the amount of steam it can produce and store. The firebox is composed of Firebox blocks and determines the maximum dimensions the multi block may be as well as the type of fuel used to heat the boiler.

A Steam Boiler will need a constant supply of water and fuel. The boiler will still burn its fuel without having water present, thereby wasting your resources, so a steady supply of water is crucial for an efficient boiler. Should a boiler that has run dry be re-supplied water while it is hot, the water will flash into steam and over-pressure the boiler, causing a large explosion. This explosion will destroy nearby blocks and injure creatures.

Boiler types

There are two types of Steam Boilers: high pressure and low pressure. Both block types will push steam to adjacent blocks, machines, or transport solutions which can accept fluids. Boilers have a square base, as determined by their firebox.

  • High pressure boilers are composed of High Pressure Boiler Tank blocks. They will take much longer to get to maximum efficiency than low pressure boilers, but will produce twice as much steam (20 mB/t) when fully warmed up. High pressure boilers are typically used for continuous operation where warm-up/cool-down cycles are infrequent.
  • Low pressure boilers are composed of Low Pressure Boiler Tank blocks. They are relatively inexpensive compared to their high pressure counterparts, requiring only iron to create. They produce 10 mB/t when fully warmed up. A 1x1x1 Low Pressure Boiler can power a single Hobbyist's Steam Engine safely.

Firebox types

There are two types of fireboxes: solid fueled and liquid fueled.

  • Solid fueled fireboxes are composed of Solid Fueled Firebox blocks. They consume solid fuels, such as charcoal, coal, coal coke, and other fuel items which do not have a secondary output item (such as lava buckets). Solid fueled fireboxes have the added feature of being able to pull in consumables from adjacent inventories (chests, for example). It is common to use a Steam Oven to feed an adjacent solid fueled boiler, since the boiler will push steam into the steam oven blocks that it touches, and the firebox will pull charcoal from the steam oven blocks that it touches.
  • Liquid fueled fireboxes are composed of Liquid Fueled Firebox blocks. They consume most liquid or fluid fuels, including Creosote Oil. A Coke Oven that is burning wood logs as fuel produces enough creosote to continuously fuel a single 1x2x1 Steam Boiler, and two or three 1x2x1 steam boilers if it is burning coal. A coke oven can thus be used to power a combination of solid and liquid fueled boilers for greater fuel efficiency than just the solid fuels alone.

    Unlike the solid fueled firebox, the liquid fuels must be piped in.

Additional requirements

Water and fuels are piped in to the Firebox, while steam is piped out from any side of any Steam Boiler block.

Solid High Pressure Solid Low Pressure Liquid High Pressure Liquid Low Pressure

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