New Energy Efficient Technology of Cellular Glass

Abstract:

On the base of volcanic glass - perlite, the energy-efficient technology of cellular glass for heat-insulating purposes has been developed. Compositions of nanosized modifier and redox gas formers were developed by the method of experimental-statistical modeling and optimization of probability parameters, allowing to obtain cellular glasses with low average density and almost closed porosity in a single technological process at technologically acceptable temperatures. In the production of cellular glasses (foam glass) of new generation, based on natural glassy rocks of silicate and aluminosilicate composition modified with sodium hydroxide, in the presence of water and gas-forming additives, during mixing and sintering, the components react at the nanoscale level to form glass under low softening temperature and sufficient quantity of foam stabilizers. The main scientific results - the use of nanotechnological modification of amorphous silicate and aluminosilicate rocks in the technology of cellular glass for construction and technical purposes, the development of compositions and method for the production of cellular glass using energy-saving technology with the following performance parameters: average density of 115...250kg/m³, coefficient of thermal conductivity 0,051...0.075W/(m•K), water absorption 1.6...4.0%, compressive strength 0.14...4.20 MPa, hydrolytic glass class I...III.

• Periodical: Key Engineering Materials (Volume 828)
• Pages: 146-152
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.828.146
• Online since: December 2019
• Authors: Emma Saakyan*, Artavazd Arzumanyan, Gagik Galstyan
• Keywords: Cellular Glass, Power Consumption Technology, Sodium Hydroxide, Thermal Insulation, Volcanic Glass Wool

References

[1] M.V. Darbinian, E. R. Sahakyan, USSR C.A. 292,909 (1966).

[2] E.R. Sahakyan, Physical and chemical researches and development of technological parameters for the production of foam glass from perlite, Yerevan, (1970).

[3] S.A. Bakhchisaraytseva, E.R. Sahakyan, Research by the method of IR-spectroscopy of phase transformations occurring in the process of foam stone production, Izv.AN USSR, Inorganic materials. 11 (1971) 2057-2060.

[4] E.R. Sahakyan, New artificial cellular materials, lightweight aggregates and products on their base, Moscow, (1992).

[5] E. Saakyan, Ar. Arzumanyan, G. Galstyan, Chemical technology of cellular glass production, E3S Web of Conferences Form-2019 XXII International Scientific Conference Construction the Formation of Living Environment,. 97 (2019) 1-6.

DOI: 10.1051/e3sconf/20199702012

[6] E.R. Sahakyan, USSR C.A. 1,089,069. (1984).

[7] E.R. Sahakyan, R.A. Patent 3,118 (2016).

[8] E.R. Sahakyan, USSR C.A. 1,359,259 (1987).

[9] G.G. Babayan, E.R. Saakyan, R.R. Sarkisyan, N.S. Afrikyan, Gasparyan N.S., USSR C.A. 1,426,955 (1988).

[10] Shill F., Foamglass,, Izd.lit. by constr., Moscow, (1965).

[11] B.K. Demidovich, Foamglass, Science and Technology, Minsk, 1075.

[12] Ya.I. Vaysman, Yu.A. Ketov, V.S. Korzanov, M.P. Krasnovskikh, Peculiarities of gas formation chemistry at one-step synthesis of foam glass from sodium hydroxide and nitrate, Construction materials. 11 (2018) 64-67.

[13] A.G. Apkaryan, Porous glass-ceramic materials modified with light-melting and organic additives for engineering purposes: production, structure, and thermophysical properties, Tomsk, (2018).

[14] G.G. Gnesin, Silicon carbide materials, Metallurgy, Moscow, (1977).

[15] A.E. Belyaeva, R.V. Konakova, Silicon carbide: technology, properties, application, ISMA, Kharkov, (2010).

[16] E.R. Saakyan, The processes of formation of cellular glass structure, Scientific works of NUACA 72 (2019) 75-81.

[17] V.A. Voznesensky, T.V. Lyashchenko, S.V. Koval and others, Modern methods of optimization of composite materials, Budevelnik, Kiev, (1983).

[18] V.A. Voznesensky, S.V. Koval, T.V. Lyashchenko, Experimentally - statistical modeling and optimization of probabilistic indicators of the quality of construction composites, Knowledge, Kiev, (1991).

[19] V.B. Tikhomirov, Planning and analysis of the experiment, Light industry, Moscow, (1974).

[20] A.N. Seidel, Elementary measurement errors, Nauka, Moscow, (1967).

[21] E.R. Sahakyan, A.A. Arzumanyan, R.A. Patent 3,286A. (2019).