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Handbook for Dust Control in Mining

By Kissell, Fred N., Ph. D.

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Book Id: WPLBN0000125170
Format Type: PDF eBook
File Size: 0.3 MB
Reproduction Date: 2005
Full Text

Title: Handbook for Dust Control in Mining  
Author: Kissell, Fred N., Ph. D.
Volume:
Language: English
Subject: Health., Medical research, Medical reports
Collections: Medical Library Collection
Historic
Publication Date:
Publisher: Centers for Disease Control and Prevention

Citation

APA MLA Chicago

Kissell, F. N., & D, P. (n.d.). Handbook for Dust Control in Mining. Retrieved from http://hawaiilibrary.net/


Excerpt
ABOUT THIS HANDBOOK: This handbook describes effective methods for the control of mineral dusts in mines and tunnels. It assumes the reader is familiar with mining. The first chapter deals solely with dust control methods, regardless of the application. It is a brief tutorial on mining dust control and will be of help to the reader whose dust control problem does not conveniently fit any of the mining equipment niches described in later chapters. The subsequent chapters describe dust control methods for different kinds of mines and mining equipment. This includes underground coal and hard-rock mines, as well as surface mines, stone mines, and hard-rock tunnels. Because dust sampling has so many pitfalls, a chapter on methods used to sample dust is included. For those occasions when there is no practical engineering control, a chapter on respirators is also included.

Table of Contents
CONTENTS Page About this handbook................................................................................................................................................... 1 Acknowledgments ...................................................................................................................................................... 1 Chapter 1.—Dust control methods in tunnels and underground mines ....................................................................... 3 Chapter 2.—Continuous miner and roof bolter dust control ..................................................................................... 23 Chapter 3.—Longwall dust control ........................................................................................................................... 39 Chapter 4.—Dust control in stone mines................................................................................................................... 57 Chapter 5.—Surface mine dust control...................................................................................................................... 73 Chapter 6.—Underground hard-rock dust control ..................................................................................................... 83 Chapter 7.—Control of dust in hard-rock tunnels ..................................................................................................... 97 Chapter 8.—How to find the major dust sources..................................................................................................... 109 Chapter 9.—Dust respirators in mines and tunnels ................................................................................................. 119 Index....................................................................................................................................................................... 129 ILLUSTRATIONS 1-1. Rollback of dust resulting from nonuniform airflow.......................................................................................... 5 1-2. A half-curtain raises the air velocity to confine the dust cloud .......................................................................... 6 1-3. Falling material drags air with it, so air must be extracted at the high-pressure side of the transfer point......... 7 1-4. Spray-generated airflow carries dust back to the shearer operator ..................................................................... 9 1-5. Water spray test that can lead to overrating spray effectiveness ...................................................................... 10 1-6. Airborne capture performance of four types of spray nozzles.......................................................................... 11 2-1. Machine-mounted scrubber design................................................................................................................... 24 2-2. Dust scrubber used with blowing ventilation ................................................................................................... 26 2-3. Excessive air blown toward the face will cause dust to bypass the scrubber inlets.......................................... 27 2-4. Dust scrubber used with exhaust ventilation .................................................................................................... 28 2-5. Half-curtain location........................................................................................................................................ 31 2-6. Modified cutting cycle..................................................................................................................................... 32 2-7. Antirollback water spray system ...................................................................................................................... 33 3-1. Longwall dust sampling locations ......................

 

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