A rocket heater mass heater or rocket mass circulation is a space heating system developed from rocket stoves, an efficient wood burning stove, and stone heating. The basic characteristic is an isolated combustion chamber where fuel (generally wood) is burned with high efficiency at very high temperatures, and large thermal mass is in contact with exhaust gases that absorb most of the heat generated before the gas is released into the atmosphere..
In the earliest developed form, wood is fed gravity into the "J-shaped" combustion chamber, from which the hot gases enter the vertical combustion chamber or the secondary vertical combustion chamber of highly isolated ceramic refractories, the exhaust which then passes along the horizontal metal. Ducting is embedded in a large tuna thermal shop. The thermal store is large enough to hold heat for hours and can form part of the building's structure. They have proven to be popular with natural buildings and in permaculture designs; they are usually self-built and have not been recognized by all building codes that govern the design and construction of heating systems within the building.
Newer alternative developments have institutionalized a batch-fed horizontal fire box inserted into a vertical heat riser or secondary combustion chamber. Also, the horizontal canal flow through mass can be replaced by a large "bell" of larger cross sections where the hot gases are slow and the stratification and the gas cooled out near the bottom as in some brick heating. This development can be used in various combinations in specific instances.
The internal vertical insulation funnel, the combustion chamber, ensures efficient high-temperature combustion and creates enough draft to drive the exhaust through the rest of the system. The exhaust gas is cooled to a relatively low temperature inside the thermal store, about 50 ° C (122 ° F), and in some steam designs in these gases condenses into liquids, releasing latent heat associated with condensation which further increases efficiency. by means of boiler (gas) condensation.
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Source of the article : Wikipedia
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