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Document ID (ISN)29932
CIS number 78-1504
ISSN - Serial title 0409-2961 - Bezopasnost' truda v promyšlennosti
Year 1977
Convention or series no.
Author(s) Popov M.V.
Title Prevention of methane explosions in the event of untoward stoppage of mine fans
Original title Predupreždenie vzryva metana pri vynuždennoj ostanovke ventiljatorov [in Russian]
Bibliographic information Nov. 1977, No.11, p.53-54. Illus.
Abstract Accidental stoppage of ventilation in gassy mines can cause the methane concentration in the coal face to reach explosive concentrations within minutes. The article presents an electric system designed to provide automatic shutoff of the electric power supply in underground worksites in such an event.
Descriptors (primary) interlock protection; mine gases; coal mining; explosion prevention; mine ventilation
Descriptors (secondary) design of electric circuits; fans; methane; description of equipment
Document type -
Subject(s) Fire and explosions
Broad subject area(s)
Browse category(ies) Explosions
Mining and quarrying
Safety devices