Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Production method of acid-resistant, alkali-resistant and high-temperature-resistant foamed ceramic heat-insulation lining used in chimney
The invention discloses a production method of an acid-resistant, alkali-resistant and high-temperature-resistant foamed ceramic heat-insulation lining used in a chimney. The heat-insulation lining is prepared from following raw materials, according to certain weight part ratios, clay, bentonite, calcite, dolomite, sandstone, talcum, silicon carbide and a peptizing agent. The production method includes following steps: 1) crushing the raw materials into granular materials being less than 10 mm; 2) stirring and homogenizing the granular materials in a ball mill and wet-milling the granular materials into slurry material in 250 meshes; 3) feeding the slurry material into a drying column, increasing the temperature to 320 DEG C to dry and pelletize the slurry material to obtain pellets; 4) placing the pellets in a kiln car and sintering the pellets in a tunnel kiln at 1200-1250 DEG C; and 5) decreasing the temperature to normal temperature and moving the sintered product after the pellets remains at the sintering temperature zone for 3-10 h, and cutting the sintered product into building blocks according to requirement. The close-pore ceramic heat-insulation material, which is formed through high-temperature roasting to the raw materials blended according to certain weight part ratios and is high in porosity, has the characters of being fire-proofing and flame-retarding, being less in deformation coefficient, is anti-aging, is stable in performance and is toxic-free and environment-friendly. The material is good in compatibility with a wall base layer and a plaster layer, is good in safety and stability, has the same service life of a building, and provides guarantee to heat insulation and high temperature resistance of various chimney buildings.
Production method of acid-resistant, alkali-resistant and high-temperature-resistant foamed ceramic heat-insulation lining used in chimney
The invention discloses a production method of an acid-resistant, alkali-resistant and high-temperature-resistant foamed ceramic heat-insulation lining used in a chimney. The heat-insulation lining is prepared from following raw materials, according to certain weight part ratios, clay, bentonite, calcite, dolomite, sandstone, talcum, silicon carbide and a peptizing agent. The production method includes following steps: 1) crushing the raw materials into granular materials being less than 10 mm; 2) stirring and homogenizing the granular materials in a ball mill and wet-milling the granular materials into slurry material in 250 meshes; 3) feeding the slurry material into a drying column, increasing the temperature to 320 DEG C to dry and pelletize the slurry material to obtain pellets; 4) placing the pellets in a kiln car and sintering the pellets in a tunnel kiln at 1200-1250 DEG C; and 5) decreasing the temperature to normal temperature and moving the sintered product after the pellets remains at the sintering temperature zone for 3-10 h, and cutting the sintered product into building blocks according to requirement. The close-pore ceramic heat-insulation material, which is formed through high-temperature roasting to the raw materials blended according to certain weight part ratios and is high in porosity, has the characters of being fire-proofing and flame-retarding, being less in deformation coefficient, is anti-aging, is stable in performance and is toxic-free and environment-friendly. The material is good in compatibility with a wall base layer and a plaster layer, is good in safety and stability, has the same service life of a building, and provides guarantee to heat insulation and high temperature resistance of various chimney buildings.
Production method of acid-resistant, alkali-resistant and high-temperature-resistant foamed ceramic heat-insulation lining used in chimney
HOU ZHENDONG (Autor:in) / MAO XIMIN (Autor:in) / LIU DAQUAN (Autor:in) / HOU HUIFENG (Autor:in)
09.12.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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