Dust Control Handbook for Industrial Minerals Mining and Processing

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USBM [1938a]. Effect of angle of drilling on dust dissemination. By Brown CE, Schrenk HH.U.S. Department of the Interior, Bureau of Mines Report of Investigations 3381.USBM [1938b]. Relation of dust concentration to depth of hole during wet drilling. ByLittlefield JB, Schrenk HH. U.S. Department of the Interior, Bureau of Mines Report ofInvestigations 3369.USBM [1938c]. Relation of dust dissemination to water flow through rock drills. By BrownCE, Schrenk HH. U.S. Department of the Interior, Bureau of Mines Report of Investigations3393.USBM [1939]. Dust produced by drilling when water is sprayed on the outside of the drill steel.By Johnson JA, Agnew WG. U.S. Department of the Interior, Bureau of Mines Report ofInvestigations 3478.USBM [1943]. Use of wetting agents in reducing dust produced by wet drilling in basalt. ByJohnson JA. U.S. Department of the Interior, Bureau of Mines Report of Investigations 3678.USBM [1951]. Roof bolting and dust control. By Westfield J, Anderson FG, Owings CW,Harmon JP, Johnson L. U.S. Department of the Interior, Bureau of Mines Information Circular7615.USBM [1956]. Dust control in mining, tunneling, and quarrying in the United States. ByOwings CW. U.S. Department of the Interior, Bureau of Mines Information Circular 7760.USBM [1982a]. An evaluation of three wet dust control techniques for face drills. Page SJ.U.S. Department of the Interior, Bureau of Mines Report of Investigations 8596.USBM [1982b]. Evaluation of the use of foam for dust control on face drills and crushers. ByPage SJ. U.S. Department of the Interior, Bureau of Mines Report of Investigations 8595.USBM [1985]. Quartz dust sources during overburden drilling at surface coal mines. ByMaksimovic SD, Page SJ. U.S. Department of the Interior, Bureau of Mines InformationalCircular 9056.USBM [1986]. Investigation of quartz dust sources and control mechanisms on surface mineoperations, Vol. I—Results, analysis, and conclusions. By Zimmer RA, Lueck SR. U.S.Department of the Interior, Bureau of Mines Final Contract Report, NTIS: PB 86–215852, 72pp.USBM [1987]. Optimizing dust control on surface coal mine drills. By Page SJ. U.S.Department of the Interior, Bureau of Mines Technology News 286.USBM [1988]. Impact of drill stem water separation on dust control for surface coal mines. ByPage SJ. U.S. Department of the Interior, Bureau of Mines Technology News 308.Drilling and Blasting 107
USBM [1995]. The reduction of airborne dust generated by roof bolt drill bits through the use ofwater. By Sundae LS, Summers DA, Wright D, Cantrell BK. U.S. Department of the Interior,Bureau of Mines Report of Investigations 9594.Zimmer RA, Lueck SR, Page SJ [1987]. Optimization of overburden drill dust control systemson surface coal mines. Inter J of Surface Min 1(2):155–157.108 Drilling and Blasting
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Report of Investigations 9689Dust C
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FUNDAMENTALS OF DUSTCOLLECTION SYST
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Minimizing Field Fits and Welds ...
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Recommendations for Proper Wet Dril
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CONTROL TECHNOLOGIES FOR FILLING 50
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Effective Filtration ..............
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ILLUSTRATIONSFigure 1.1. Relationsh
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Figure 3.2. The air and water flow
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Figure 9.5. Problem created by heat
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UNIT OF MEASURE ABBREVIATIONSUSED I
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Robert J. Franta, Quotation Enginee
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silica. Quartz is the most common s
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DUST CONTROL HANDBOOK FOR INDUSTRIA
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CHAPTER 1: FUNDAMENTALS OFDUST COLL
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The shape of particles affects how
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EXHAUST SYSTEMS DESIGNAll exhaust s
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stripping, which allows workers to
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When using the air quantities in Ta
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X = distance in feet from the face
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Checklist for Hood EffectivenessThe
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A major disadvantage of the high-ve
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A common misconception when designi
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Avoiding Mitered Elbows Greater Tha
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Figure 1.13. Depiction of the horiz
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Figure 1.14. Typical design of grav
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Baghouse CollectorsBaghouse dust co
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Table 1.2. Emission factors for cru
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Figure 1.17. Typical design of a me
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Reverse Jet (Pulse Jet) CollectorsR
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Figure 1.20. Cartridge collector wi
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Wet scrubbers are particularly adva
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Electrostatic precipitators normall
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may be related to specific applicat
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times. When considering the depth o
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Figure 1.25. Demonstration of how a
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Figure 1.26. A typical fan performa
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Fan TypesThere are two basic types
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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
Page 93 and 94: Table 2.1. Particle/droplet size in
Page 95 and 96: Air Atomizing NozzlesAir atomizing
Page 97 and 98: Hydraulic Flat Fan NozzlesFigure 2.
Page 99 and 100: for dust knockdown or suppression,
Page 101 and 102: Nozzle MaintenanceFigure 2.14. Typi
Page 103 and 104: Accidental DamageInadvertent harm t
Page 105 and 106: NDT Educational Resource Center, Io
Page 107 and 108: 78 Wet Spray SystemsDUST CONTROL HA
Page 109 and 110: contains a piston which delivers ha
Page 111 and 112: 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
Page 117 and 118: The collector airflow has a more su
Page 119 and 120: Air-Blocking ShelfThe air-blocking
Page 121 and 122: dust emissions from mast lowering,
Page 123 and 124: This simple procedure of creating a
Page 125 and 126: 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
Page 131 and 132: safety considerations may preclude
Page 133 and 134: Figure 3.22. A filtration unit, loc
Page 135: Miller S, Emerick JC, Vogely WA [19
Page 139 and 140: 110 Drilling and BlastingDUST CONTR
Page 141 and 142: Wet Control MethodsPREVENTION AND S
Page 143 and 144: 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 (
Page 149 and 150: Wet dust control methods for crushi
Page 151 and 152: Work Practices to Minimize Dust Exp
Page 153 and 154: Some specialty grinding operations
Page 155 and 156: should be frequently inspected for
Page 157 and 158: Open screen decks slowly to allow i
Page 162 and 163: CHAPTER 5: CONVEYING AND TRANSPORTT
Page 164 and 165: Figure 5.3. Basic depiction of mate
Page 166 and 167: that the material falls before land
Page 168 and 169: Figure 5.10. Skirtboard used within
Page 170 and 171: CarrybackMaterial that sticks or cl
Page 172 and 173: CONVEYOR DESIGN AND MAINTENANCE ISS
Page 174 and 175: Figure 5.15. Conveyor transfer encl
Page 176 and 177: High-volume, high-pressure sprays s
Page 178 and 179: 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
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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
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Bagging operators should be aware t
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Figure 6.8. Exhaust hood to capture
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In the original design, a single no
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The OASIS is a relatively simple de
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Figure 6.13. Bag storage shelves sh
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Figure 6.14. Bag and belt cleaner d
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other industrial application using
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The robotic arm automatic palletize
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For many years, this plastic wrappi
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warehouse location until a later ti
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used successfully to perform this c
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CHAPTER 7: BULK LOADINGDuring the b
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Figure 7.2. Loading spout discharge
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Cascading Loading SpoutFigure 7.5 i
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a seal at the entry and exit points
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REFERENCESBiere G, Swinderman RT, M
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200 Bulk LoadingDUST CONTROL HANDBO
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many years, as well as some new and
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Figure 8.2. Air spray manifold desi
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Figure 8.3. Test subject wearing po
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Spills of product material are a co
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epetitive dust leaks should not sim
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Effective Upward Airflow PatternThe
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Figure 8.8. Open-structure design c
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manually removing the bags and plac
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Figure 8.12. Increase in worker’s
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In other cases, an operation may wa
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Cecala AB, O'Brien AD, Pollock DE,
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224 Controls for Secondary SourcesD
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where C o = outside respirable dust
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minimal improvement in the cab's ai
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RECOMMENDATIONS FOR FILTRATION/PRES
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Effective FiltrationFigure 9.4. Res
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average decay times were between 16
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Figure 9.6. Filtration unit showing
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This table highlights a number of c
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NIOSH [2001b]. Technology news 486:
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upon the wind velocity (or disturba
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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
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A water truck, used to apply water
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Surfactants work by reducing the su
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which differed for the various site
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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
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Chekan GJ, Cecala AB, Colinet JF [2
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Midwest Research Institute [1981].
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GLOSSARYAbrader. An implement used
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Carryback. Material that sticks or
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End-dumping. A process of spreading
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Open structure building design. A p
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Table bushing. A bushing used to se
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Delivering on the Nation’s promis
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