The expression brickyard designates a factory for the production of building materials from burned clay/tone (products of brickyard).

Details

The location of these enterprises is usually because of the place of the raw material occurrence. In former times were usually small firms, which predried and afterwards in a furnace burned in the open air the still damp bricks in the sun. Depending upon kind of drying still the obvious fuel material was necessary as source of raw material. Thus not only the location but the entire infrastructure depended on it. For example south of Vienna, where large clay/tone occurrences were, the Viennese channel was established, in order to bring the wood from the Viennese forest. In this case that was the cheapest energy source.

The clay/tone won usually in the open mining is not yet ductile in the Rohzustand and in wet or Trockenaufbereitung is cut up gradually and mixed. The ductile masses are then deformed in malmbrick, extruded clay roofing tile, hollow body or by extrusion.

Press roofing tiles are formed out of preformed lumps on dial feed presses.

Clinkers and base plates are manufactured in the dry pressing procedure. The water in warm air-heated machines for drying is extracted. The fresh products are set on furnace cars and burned exactly in tunnel furnaces in one on the base dimensions co-ordinated procedures at temperatures around 1000"°C or 1300"°C (sinter fire).

The world-wide largest brick manufacturer is the Austrian company Wienerberger AG.

See also

Hoffmann Ringofen, brick temple

Articles in category "Brickyard (trade)"

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