Mining Engineers' Handbook, Volume 1Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
Dari dalam buku
Hasil 1-3 dari 90
Halaman 23-49
... fires in collieries is ignition of CH4 by longflame explosives ; or coal may take fire from flame of over- charged shots . In metal mines , fires were formerly caused by lighted CANDLE ENDS dropping onto timbers or inflammable material ...
... fires in collieries is ignition of CH4 by longflame explosives ; or coal may take fire from flame of over- charged shots . In metal mines , fires were formerly caused by lighted CANDLE ENDS dropping onto timbers or inflammable material ...
Halaman 23-52
... fire of CH4 from blowers , or distilled gases from the coal . Explosive gases may be gener- ated by fires in metal mines having shale walls . Generally , gases from timber fires are not explosive . In collieries , if after the temporary ...
... fire of CH4 from blowers , or distilled gases from the coal . Explosive gases may be gener- ated by fires in metal mines having shale walls . Generally , gases from timber fires are not explosive . In collieries , if after the temporary ...
Halaman 23-58
... fire , it is important to know if the atmosphere near it approaches explosive limits , so that men can be withdrawn . Also , in fighting fires , the presence of CO in the return air indicates an active fire , as otherwise CO is rapidly ...
... fire , it is important to know if the atmosphere near it approaches explosive limits , so that men can be withdrawn . Also , in fighting fires , the presence of CO in the return air indicates an active fire , as otherwise CO is rapidly ...
Isi
COMPRESSED AIR PRACTICE | 15-2 |
Appli | 15-15 |
Hydraulic Compressors | 15-22 |
Hak Cipta | |
22 bagian lainnya tidak diperlihatkan
Edisi yang lain - Lihat semua
Istilah dan frasa umum
adjustment Aerial Tramway anthracite approx assay aver borax buckets Bur Mines capac carriers cars charge chute claim coal mines compressed compressor concentrate conveyer copper cost crusher crushing cu ft cupel cyanide deflection diam discharge distance drill dust elev engineer explosions feed filter fire firedamp gold hoisting horiz intercooler labor lamp less litharge loaders loading lode long ton machine mechanical metal method mill mineral motor operation pipe plant plate plumb-bob pump pyrite rock safety lamps sample screen shaft sheave short ton side silver sizes Sodium carbonate solution speed station steel stopes surface survey Table tape telescope temp tension tests timber tion tons Total towers track cable traction rope tramway Trans transit traverse underground usually vein vertical wire zinc