Diatomaceous earth as a perspective raw material for production of foamglass
A. L. Vinitskiya, G. K. Ryabovb, G. K. Ryabova, A. V. Meshkova, Ju. A. Korostelevab, Ye. G. Fetuhinab
a Scientific and Technical Center «Silica materials and technologies»
b Industrial Investment Company «Diatomit-Invest» LLC, Ulyanovsk
Annotation: Foam glass is a material with good thermal and sound insulating and incombustible properties, moisture resistance, fire- and biostability and high mechanical strength. The foam glass characterized by homogenous fine porous structure and low rates of water absorption (3–5 % vol.) and thermal conductivity (0,050–0,055 W/m·K) is produced on the technology including the following steps: preparation of diatomaceous earth, glass melting, quenching and glass granules producing, grinding of glass granules and preparation of foam glass batch, batch foaming, producing and annealing of foam glass products. The batch consists of the following components: 64–70 % diatomaceous earth, 14–18 % dolomite, 15–20 % soda ash, 0–5 % sodium sulfate. The temperature of frit foaming is 10–20 °C lower and the duration of foaming is of 10–15 % less than of Fourcault glass. All samples had a homogenous high porous structure with density of 125–135 kg/m3 and compressive strength of 0.7–1.1 MPa. Glass on diatomite base is produced on traditional technology for the first time. The work was released within the contract № 13.G25.31.0092 dated 22.10.2012 «High-technology production of foam glass ceramics on opal-cristobalite raw material base» coded 2010-218-02-246.
Keywords: foam glass, diatomaceous earth (diatomite), technology of producing, composition of batch.
Pages: 63-70.
Link for citation: Vinitskiy, A. L.; Ryabov, G. K.; Ryabov, G. K. [et al.]. Diatomaceous earth as a perspective raw material for production of foamglass. – Text : electronic. – In: Modern Industrial and Civil Construction. – 2012. – Vol. 8, N 2. – Р. 63-70. – URL: https://donnasa.ru/publish_house/journals/spgs/2012-2/01_vinickij_ryabov_senik_meschkov_korosteleva_fetyuhina.pdf (date of access: 19.09.2024). (in Russian)
Vol. 8, N 2 (2012)Journal: Modern Industrial and Civil Construction
Publish house: Donbas National Academy of Civil Engineering and Architecture