Rumford oven
A Rumford furnace or Rüdersdorfer furnace is a kiln for the industrial production of quicklime , in which separate combustion chambers are available for lime and fuel.
technology
The separation of fuel and lime made it possible at the beginning of the 19th century to produce large quantities of high-quality quicklime for the construction industry , as it could not be contaminated through contact with the fuel:
The combustion chamber on the side is completely separated from the actual combustion chamber. A single transverse channel connects the two shafts through which the hot gases from the combustion chamber reach the combustion chamber. Lime is poured into the combustion chamber from above, the ash from the combustion chamber falls into a separate shaft from which it can be removed. The lime cools down in the combustion chamber below the combustion chamber, as the heating gases flow upwards from the combustion chamber. The upper part of the combustion chamber, which is not in direct contact with the combustion chamber, serves as a preheating chamber and is isolated from the combustion chamber by means of hollow chambers filled with coal dust.
Historical development
The first Rumford oven was built in Rüdersdorf near Berlin in 1804 , and it can still be viewed today in the Rüdersdorf Museum Park . The construction of the furnace followed the specifications of Benjamin Thompson Count Rumford, by whose nickname the furnace became known. In the years that followed, the corresponding technology spread across Europe.