prevention and control of spontaneous combustion - Mining and

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BLOCK NO. LINE NO. STEMMINGHEIGHT PRODUCT KG / METER DATE HOLE PLAN DRILLED RE-DRILL BACK-FILL REQUIERED TRUCK ACTUAL TONS DISCREP. BLASTER SIGN. NO. DEPTH DEPTH REPORT TO SUP TONS NUMBER PUMPED ± DISCREPANCIES SIGNATURES AECI TECHNICIAN BLASTER ATCOM DRILL & BLAST SECTION AECI/DRILL & BLAST CONTROL SHEET 41 FORM 2
BLAST TYPE: PRESPLIT PARTING OVERBURDEN COAL MIDBURDEN OTHER INFO: No. ROWS No. HOLES No. LINES AVE. DEPTH PATTERN BCM'S/TONS HOLE DIA. POW. FACTOR EXPL. ACCESSORIES AGENT ANF. P701 COAL P/SPLIT PARTING P701 BURDENS UNIT R / UNIT BENCHMASTERS 10m x 475ms m x ms HT DA 12m BOOSTERS 150gr x 38mm 400gr x 53mm LEAD IN (REEL) 200m POWERCORD 8gr x 250m DOGBONE RELAYS 40 m/s ELEC. DETONATOR CARRICK SLEEVES 425mm x 250m GAS BAGS 250mm iMpunzi Division ATCOM DRILL & BLAST SECTION BLASTING COST REPORT DATE:......................................... RAMP:...................................... BLOCK:........................................... DENSITY TEST BLAST RESULT: WEATHER SUN CLOUDY RAIN FRAGMENTATION GOOD AVE. POOR FLY ROCK NO YES BACK BREAK NO YES 42 TOTAL COST / BCM - TON FORM 3 MISSFIRES; ACTION TAKEN ........................................................................................................ BLASTER ........................................................................ SUPERVISOR ........................................................................ M/O ........................................................................ QUANTITY COST ........................................................................................................
Page 1 and 2: PREVENTION AND CONTROL OF SPONTANEO
Page 3 and 4: The guidelines have also built upon
Page 5 and 6: Case study 3 (ATCOM Colliery) .....
Page 7 and 8: How to use the best practice guidel
Page 9 and 10: temperature is raised and, accordin
Page 11 and 12: on a complex relationship of a rang
Page 13 and 14: combustion. Examples of commonly us
Page 15 and 16: Other gases, all of which are flamm
Page 17 and 18: ank of coal, (3) weathering, (4) mo
Page 19 and 20: literature but probably the most im
Page 21 and 22: In addition to heatings during mini
Page 23 and 24: • Mono-valents such as sodium chl
Page 25 and 26: Approximately 87% of the sand is re
Page 27 and 28: • Burning spoils • General prob
Page 29 and 30: Control of spontaneous combustion a
Page 31 and 32: • The use of a pre-split blasting
Page 33 and 34: Control of spontaneous combustion a
Page 35 and 36: within the time taken for spontaneo
Page 37 and 38: Appendix 1 ATCOM Colliery Hot Hole
Page 39 and 40: • The survey department will desi
Page 41 and 42: Hot hole area preparation • Areas
Page 43 and 44: DRILL RIG BIT SIZE Revision Date: S
Page 45: DATE : ………………………
Page 49 and 50: FROM : BLASTING SUPERVISOR TO : MAG
Page 51: Appendix 2 Kleinkopje Colliery Spon
Page 54 and 55: All of the mines experiencing serio
Page 56 and 57: During the top coal removal, the in
Page 58 and 59: etween the pillars, are drilled 0.5
Page 60 and 61: When buffer blasting is not practic
Page 62 and 63: Appendix 4 Definitions 57
Page 64 and 65: Cladding - Covering of the highwall
Page 66 and 67: Water cannon - Water cannons are us
Page 68 and 69: Appendix 5 COALTECH 2020 A literatu
Page 70 and 71: Table of contents Preface .........
Page 72 and 73: 1 Introduction Spontaneous combusti
Page 74 and 75: Pyrites The oxidation of pyrites ha
Page 76 and 77: Exogenous factors 5 Temperature in
Page 78 and 79: of extraction, in that the producti
Page 80 and 81: They also identified the factors fo
Page 82 and 83: Initially the coal sample and vesse
Page 84 and 85: Gouws and Wade 27 found with their
Page 86 and 87: Figure 3.1.2: ESSH expert system ar
Page 88 and 89: and larger meet this criterion. How
Page 90 and 91: • The base should be reasonably l
Page 92 and 93: gases at different stages during th
Page 94 and 95: on remote sensing by ITC. Two case
Page 96 and 97:
3) SPOT Band 3 and TM Bands 5 and 7
Page 98 and 99:
6 Control of spontaneous combustion
Page 100 and 101:
Liquid phase: Cools by conduction a
Page 102 and 103:
6.1.2.3 Biotechnological methods In
Page 104 and 105:
Accessing hot spots is usually a pr
Page 106 and 107:
17 Guney, M., Equilibrium Humiditie
Page 108 and 109:
48 Anonymous 1, Biological Oxidatio
Page 110 and 111:
27. Bardocz V, A New Hypothesis Con
Page 112 and 113:
59. Chakravorty R N, Kolada R J, Pr
Page 114 and 115:
89. Drakeley T J, The Liberation of
Page 116 and 117:
120.Gill F S, Browning E J, Spontan
Page 118 and 119:
149.Haldane J S, Makgill R H, The S
Page 120 and 121:
179.Kim AG, Laboratory Determinatio
Page 122 and 123:
208.Singh R N, Denby B, Ren T X, A
Page 124 and 125:
236.Francart W J, Beiter D A, Barom
Page 126 and 127:
266.Gaofeng K, Environmental Monito
Page 128 and 129:
290.Langer G, Hermulheim W, Bresser
Page 130 and 131:
Premature detonations and blasting
Page 132 and 133:
Samples of minerals for testing mus
Page 134:
isks. There are numerous publicatio
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