2019 №07 (08) DOI of Article
2019 №07 (01)

The Paton Welding Journal 2019 #07
TPWJ, 2019, #7, 41-46 pages
Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       #7, 2019 (July)
Pages                      41-46

Risk factors and criteria of fire and explosion hazard at ferroalloys grinding

A.E. Marchenko
E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua

Considered are the main indices, characterizing the fire and explosion hazard of products of grinding of ferroallys, applied in electrode technology. The effect of grinder type on behaviour of ferroalloy powders is noted, and comparative evaluation of industrial installations used in electrode production, is given. A conclusion is made about the need for regular certification of each specific technology of ferroalloys grinding. 11 Ref., 4 Tables, 3 Figures.
Keywords: welding production, fire and explosion hazard, electrode technology, ferroalloys grinding, manufacturing quality, technology certification
Received:                24.04.19
Published:               24.07.19


1. Toleshov, A.K. (2009) Method of evaluation of fire and explosion hazard of production processes of metal and alloy powders. Metallurg, 6, 30–33 [in Russian].
2. Nedin, V.V., Nejkov, O.D., Alekseev, A.G. et al. (1971) Fire hazard of industrial powders. Kiev, Naukova Dumka [in Russian].
3. (1990) GOST 12.1.044–89 SSBT: Fire and explosion hazard of substances and materials. Range of blast data and methods of their determination. Moscow, Standarty[in Russian].
4. Toleshov, A.K. (1995) Standard characteristics of fire and explosion hazard of ferroalloys powder made in electrode production. Metallurg, 4, 19–21 [in Russian].
5. Babajtsev, I.V., Toleshov, A.K., Derzhavets, A.A. (1995) Evaluation of inflammability of powders of metals and alloys. Ibid., 9, 26–27 [in Russian].
6. Rules of arrangement of electric units PUE7 [in Russian].
7. Nejkov, O.D., Vasilieva, G.D., Kuzub, A.P. et al. et al. (1971) Examination of explosibility of ferrosilicon, ferromanganese, ferrotitanium, ferrochrome, silicocalcium and manganese powders. Prevention of sudden explosions of gas-dispersed systems. Kiev, Naukova Dumka, 36–44 [in Russian].
8. Gridin, A.A., Serebryakova, V.V., Babajtsev, I.V. et al. (1985) Study of disintegrator processes of dispersion and activation of explosion and fire hazardous ferroalloys. Stal, 11, 36–37 [in Russian].
9. Strizhko, L.S., Babajtsev, I.V., Toleshov, A.K. (1998) Prevention of explosions in refining of ferroalloys. Metallurg, 9, 27–28 [in Russian].
10. Babajtsev, I.V., Gerusova, V.P., Delyan, V.I. (1983) Passivation of powders of silicocalcium. Izv. Vuzov. Chyorn. Metallurgiya, 5, 151–152 [in Russian].
11. Babajtsev, I.V., Toleshov, A.K., Shchepelev, A.V. (1996) Decrease of explosion hazard of ferroalloys powders during vibrogrinding. Ibid., 1, 73–74 [in Russian].