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Chemical Technology, Control and Management

Abstract

Some specific features of combustion and smoke formation of wood materials, as well as toxicity of gases released from combustion of local wood, are studied. It is established that the concentration of the released smoke and its nature depend on the structural features and chemical composition of the combustible material. It was found that the beginning of the exothermic decomposition of wood begins at a temperature of 270-280 ° C. In this process, a significant amount of heat is released during the process. For calcareous wood, the heat of decomposition is 260 kcal / kg. This heat is sufficient for the practical implementation of the process until the end without heating from the outside, provided that the losses to the environment are excluded. Some recommendations on the choice of the type of wood in the manufacture of building structures have been developed.

First Page

43

Last Page

49

References

1. Leonovich A.A. Gorenie drevesiny'; - M; Himiya. 1992 g. -342 s. 2. Mirkamilov T.M., Muhamedgaliev B.A. Polimerny'e antipireny'; -Tashkent;TGTU, 1996. - 278 s. 3. Jonson R.,Fenimore D. Fire and flammability woods// Jour.Amer.chem.soc. A3,2011,r.460-467. 4. Muhamedgaliev B.A., Mirzoitov M.M. Snijenie goryuchesti derevyanny'h stroitel'ny'h konstrukcii; -Tashkent;TGTU, 2013. - 180 s.

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