Dust Control Handbook for Industrial Minerals Mining and Processing

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DUST CONTROL HANDBOOK FOR INDUSTRIAL MINERALS MINING AND PROCESSINGCHAPTER 1:FUNDAMENTALS OFDUST COLLECTIONSYSTEMSIntroduction 1
2 IntroductionDUST CONTROL HANDBOOK FOR INDUSTRIAL MINERALS MINING AND PROCESSING
Page 2 and 3: Report of Investigations 9689Dust C
Page 4: FUNDAMENTALS OF DUSTCOLLECTION SYST
Page 7 and 8: Minimizing Field Fits and Welds ...
Page 9 and 10: Recommendations for Proper Wet Dril
Page 11 and 12: CONTROL TECHNOLOGIES FOR FILLING 50
Page 13 and 14: Effective Filtration ..............
Page 15 and 16: ILLUSTRATIONSFigure 1.1. Relationsh
Page 17 and 18: Figure 3.2. The air and water flow
Page 22: Figure 9.5. Problem created by heat
Page 25 and 26: UNIT OF MEASURE ABBREVIATIONSUSED I
Page 28: Robert J. Franta, Quotation Enginee
Page 32 and 33: silica. Quartz is the most common s
Page 36 and 37: CHAPTER 1: FUNDAMENTALS OFDUST COLL
Page 38 and 39: The shape of particles affects how
Page 40 and 41: EXHAUST SYSTEMS DESIGNAll exhaust s
Page 42 and 43: stripping, which allows workers to
Page 44 and 45: When using the air quantities in Ta
Page 46 and 47: X = distance in feet from the face
Page 48 and 49: Checklist for Hood EffectivenessThe
Page 50 and 51: A major disadvantage of the high-ve
Page 52 and 53: A common misconception when designi
Page 54 and 55: Avoiding Mitered Elbows Greater Tha
Page 56 and 57: Figure 1.13. Depiction of the horiz
Page 58 and 59: Figure 1.14. Typical design of grav
Page 60 and 61: Baghouse CollectorsBaghouse dust co
Page 62 and 63: Table 1.2. Emission factors for cru
Page 64 and 65: Figure 1.17. Typical design of a me
Page 66 and 67: Reverse Jet (Pulse Jet) CollectorsR
Page 68 and 69: Figure 1.20. Cartridge collector wi
Page 70 and 71: Wet scrubbers are particularly adva
Page 72 and 73: Electrostatic precipitators normall
Page 74 and 75: may be related to specific applicat
Page 76 and 77: times. When considering the depth o
Page 78 and 79: Figure 1.25. Demonstration of how a
Page 80 and 81: Figure 1.26. A typical fan performa
Page 82 and 83: Fan TypesThere are two basic types
Page 84 and 85:
Figure 1.30. Typical centrifugal fa
Page 86 and 87:
Figure 1.32. Typical roof ventilato
Page 89 and 90:
DUST CONTROL HANDBOOK FOR INDUSTRIA
Page 91 and 92:
The vast majority of dust particles
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Table 2.1. Particle/droplet size in
Page 95 and 96:
Air Atomizing NozzlesAir atomizing
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Hydraulic Flat Fan NozzlesFigure 2.
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for dust knockdown or suppression,
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Nozzle MaintenanceFigure 2.14. Typi
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Accidental DamageInadvertent harm t
Page 105 and 106:
NDT Educational Resource Center, Io
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78 Wet Spray SystemsDUST CONTROL HA
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contains a piston which delivers ha
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produce an increase in the penetrat
Page 113 and 114:
Dry DrillingDry drilling is accompl
Page 115 and 116:
Circular ShroudIn contrast to the u
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The collector airflow has a more su
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Air-Blocking ShelfThe air-blocking
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dust emissions from mast lowering,
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This simple procedure of creating a
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Figure 3.15. Air ring seal used to
Page 127 and 128:
Figure 3.17. Illustrations showing
Page 129 and 130:
unsubstantiated due to the inconsis
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safety considerations may preclude
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Figure 3.22. A filtration unit, loc
Page 135 and 136:
Miller S, Emerick JC, Vogely WA [19
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USBM [1995]. The reduction of airbo
Page 139 and 140:
110 Drilling and BlastingDUST CONTR
Page 141 and 142:
Wet Control MethodsPREVENTION AND S
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Figure 4.2. Examples of compressive
Page 145 and 146:
Figure 4.5. Illustration of a dry (
Page 147 and 148:
Figure 4.6. Illustration of a dry (
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Wet dust control methods for crushi
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Work Practices to Minimize Dust Exp
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Some specialty grinding operations
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should be frequently inspected for
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Open screen decks slowly to allow i
Page 160 and 161:
Page 162 and 163:
CHAPTER 5: CONVEYING AND TRANSPORTT
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Figure 5.3. Basic depiction of mate
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that the material falls before land
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Figure 5.10. Skirtboard used within
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CarrybackMaterial that sticks or cl
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CONVEYOR DESIGN AND MAINTENANCE ISS
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Figure 5.15. Conveyor transfer encl
Page 176 and 177:
High-volume, high-pressure sprays s
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Figure 5.19. Depiction of a bucket
Page 180 and 181:
Figure 5.21. Depiction of two types
Page 182 and 183:
Figure 5.25. Venturi eductor utiliz
Page 184 and 185:
Page 186 and 187:
CHAPTER 6: BAGGINGThis chapter disc
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caused during manufacturing, includ
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Overall PerforationsThe use of over
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Figure 6.5. Open-top bag being load
Page 194 and 195:
Bagging operators should be aware t
Page 196 and 197:
Figure 6.8. Exhaust hood to capture
Page 198 and 199:
In the original design, a single no
Page 200 and 201:
The OASIS is a relatively simple de
Page 202 and 203:
Figure 6.13. Bag storage shelves sh
Page 204 and 205:
Figure 6.14. Bag and belt cleaner d
Page 206 and 207:
other industrial application using
Page 208 and 209:
The robotic arm automatic palletize
Page 210 and 211:
For many years, this plastic wrappi
Page 212 and 213:
warehouse location until a later ti
Page 214 and 215:
used successfully to perform this c
Page 216 and 217:
Page 218 and 219:
CHAPTER 7: BULK LOADINGDuring the b
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Figure 7.2. Loading spout discharge
Page 222 and 223:
Cascading Loading SpoutFigure 7.5 i
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a seal at the entry and exit points
Page 226:
REFERENCESBiere G, Swinderman RT, M
Page 229 and 230:
200 Bulk LoadingDUST CONTROL HANDBO
Page 231 and 232:
many years, as well as some new and
Page 233 and 234:
Figure 8.2. Air spray manifold desi
Page 235 and 236:
Figure 8.3. Test subject wearing po
Page 237 and 238:
Spills of product material are a co
Page 239 and 240:
epetitive dust leaks should not sim
Page 241 and 242:
Effective Upward Airflow PatternThe
Page 243 and 244:
Figure 8.8. Open-structure design c
Page 245 and 246:
manually removing the bags and plac
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Figure 8.12. Increase in worker’s
Page 249 and 250:
In other cases, an operation may wa
Page 251 and 252:
Cecala AB, O'Brien AD, Pollock DE,
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224 Controls for Secondary SourcesD
Page 255 and 256:
where C o = outside respirable dust
Page 257 and 258:
minimal improvement in the cab's ai
Page 259 and 260:
RECOMMENDATIONS FOR FILTRATION/PRES
Page 261 and 262:
Effective FiltrationFigure 9.4. Res
Page 263 and 264:
average decay times were between 16
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Figure 9.6. Filtration unit showing
Page 267 and 268:
This table highlights a number of c
Page 269 and 270:
NIOSH [2001b]. Technology news 486:
Page 271 and 272:
Page 273 and 274:
upon the wind velocity (or disturba
Page 275 and 276:
Maximum size is the largest particl
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Figure 10.4. Use of end-dumping wit
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conditions. Performance of each of
Page 281 and 282:
A water truck, used to apply water
Page 283 and 284:
Surfactants work by reducing the su
Page 285 and 286:
which differed for the various site
Page 287 and 288:
Figure 10.9. Self-tarping dump truc
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percent [Fryrear and Skidmore 1985]
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Figure 10.12. The armoring process
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A current method of stockpile forma
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Figure 10.15. Demonstration of how
Page 297 and 298:
Chekan GJ, Cecala AB, Colinet JF [2
Page 299 and 300:
Midwest Research Institute [1981].
Page 302 and 303:
Page 304 and 305:
GLOSSARYAbrader. An implement used
Page 306 and 307:
Carryback. Material that sticks or
Page 308 and 309:
End-dumping. A process of spreading
Page 310 and 311:
Open structure building design. A p
Page 312 and 313:
Table bushing. A bushing used to se
Page 314:
Delivering on the Nation’s promis
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