ONLINE self-study

Online self study l.jpg
1 / 54
0
0
1236 days ago, 438 views
PowerPoint PPT Presentation
ONLINE self-study. Ignitable Dust Wellbeing and Security Mindfulness Preparing. Course Targets. Pick up a comprehension of the dangers connected with Ignitable Dust. Comprehend the UNC mechanical work environment prerequisites to enhance working environment wellbeing. . Presentation. Presentation.

Presentation Transcript

Slide 1

´╗┐ONLINE self-concentrate Combustible Dust Health and Safety Awareness Training

Slide 2

Course Objectives Gain a comprehension of the perils related with Combustible Dust. Comprehend the UNC modern work environment prerequisites to help enhance working environment security.

Slide 3

Introduction

Slide 4

Introduction Accidents in Industry brought about by Combustible Dusts In industry, clean is created as a by-result of a few procedures that incorporate material passing on, pulverizing, and screening, sanding, and trimming of overabundance material. The formation of clean does not really represent a security and wellbeing hazard. Be that as it may, where burnable clean is created and permitted to collect, it can prompt to disastrous outcomes. As of late, ignitable tidy blasts have brought about death toll, numerous wounds, and considerable property harm. The constrain from such a blast can bring about worker passings, wounds, and devastation of whole structures. Such occurrences have murdered scores of workers and harmed hundreds in the course of recent decades.

Slide 5

Introduction Accidents in Industry brought on by Combustible Dusts For instance, burnable sugar clean was the fuel for a gigantic blast and fire that happened Feb. 7, 2008, at the Imperial Sugar Co. plant in Port Wentworth, GA., bringing about 13 passings and hospitalization of 40 more laborers, some of whom got extreme consumes. The following is a representation of the office after the blast.

Slide 6

Introduction Accidents in North Carolina brought on by Combustible Dusts A blast and fire happened on Jan 29, 2003, at West Pharmaceutical Services plant in Kinston, N.C.. This fiasco brought about the passings of six specialists, harm to many representatives, and employment misfortunes to hundreds because of pulverization of the plant. The office delivered elastic plugs and different items for restorative utilize. The fuel for the blast was a fine plastic powder that had amassed unnoticed over a suspended roof over the assembling region. Between April 1988 and February 2006, 17 businesses in North Carolina had burnable tidy blasts in which 76 workers were harmed, nine of whom passed on.

Slide 7

Introduction Accidents in North Carolina brought about by Combustible Dusts Above: Courtesy U.S. Substance Safety Investigation Board Above: Aerial View of blast and fire that happened on Jan 29, 2003, at West Pharmaceutical Services plant in Kinston, N.C

Slide 8

Introduction What Materials Can Form a Combustible Dust? Materials that may frame an ignitable clean include: Metals, (for example, aluminum and magnesium) Wood Coal Plastics Biosolids Sugar Paper, Soap Dried blood, Certain materials. In numerous mischances, businesses and workers were unconscious that a peril even existed.

Slide 9

Introduction What Materials Can Form a Combustible Dust? A flammable tidy blast risk may exist in an assortment of enterprises, including: sustenance (e.g., treat, sugar, zest, starch, flour, sustain), grain, tobacco, plastics, wood, paper, mash, elastic, furniture, materials, pesticides, pharmaceuticals, colors, coal, metals (e.g., aluminum, chromium, iron, magnesium, and zinc), and fossil fuel control era. Above: Courtesy U.S. Compound Safety Investigation Board, November 2003, deadly mischance at a car parts plant blast in the U.S. that included aluminum tidy that began close to an aluminum chip dissolving heater.

Slide 10

Introduction What Materials Can Form a Combustible Dust? Most natural materials, many metals, (for example, aluminum), and some nonmetallic inorganic materials can consume or detonate if: Finely partitioned Dispersed in adequate fixation

Slide 11

Definitions

Slide 12

What is Combustible Dust? Any flammable material (and a few materials ordinarily viewed as noncombustible) can consume quickly when in a finely partitioned frame. On the off chance that such a tidy is suspended in air in the correct focus, it can get to be distinctly dangerous.

Slide 13

What is Combustible Dust? National Fire Protection Association (NFPA 654): "any finely isolated strong material that is 420 microns or littler in measurement (material going through a No. 40 Standard Sieve) and shows a fire or blast risk when scattered and touched off in air."

Slide 14

What is Combustible Dust? OSHA National Emphasis Program (NEP): "A burnable particulate strong that shows a fire or deflagration danger when suspended in air or some other oxidizing medium over a scope of focuses, paying little respect to molecule size or shape."

Slide 15

Definitions Deflagration: Propagation of an ignition zone at a speed that is not as much as the speed of sound in unreacted medium (versus explosion). Blast: The blasting or burst of a walled in area (counting a room or constructing) or a holder because of the improvement of inside weight from deflagration.

Slide 16

Definitions Other NEP Definitions: Minimum Explosive Concentration (MEC): the base centralization of tidy suspended in air that will bolster a deflagration. ordinarily 2-3 requests of size higher than "wellbeing" based word related presentation levels. Ordinarily present just inside process gear (transports, storehouses, and so on.) Accumulations of tidy in working zones, when exasperates, may bring about brief groupings of clean more noteworthy than the MEC.

Slide 17

How a Dust Explosion Occurs How a Dust Explosion Occurs :

Slide 18

How a Dust Explosion Occurs " Dust Explosion Pentagon " Fuel (flammable clean), Heat/Ignition (fire), Oxygen in air , Dispersion of tidy particles Confinement of tidy cloud

Slide 19

How a Dust Explosion Occurs When the greater part of the components in the Dust Explosion Pentagon are set up, quick burning known as deflagration ( a fast consuming slower than the speed of sound) can happen. In the event that this occasion is bound by a walled in area, for example, a building, room, vessel or process gear, the subsequent weight rise can bring about a blast (a quick consuming quicker than the speed of sound). Above Illustration-Imperial Sugar Co. plant burnable clean blast in Port Wentworth, GA., bringing about 13 passings and hospitalization of 40 more specialists

Slide 20

How a Dust Explosion Occurs

Slide 21

How a Dust Explosion Occurs Secondary Explosions Are Catastrophic An underlying (essential) blast in handling gear or in zones where criminal tidy has amassed may unstick extra tidy or harm an accumulation framework, (for example, a conduit, vessel or gatherer). This tidy, if lighted, brought about extra blasts, which can bring about harm that is more extreme than the first blast because of expanded focuses and amounts of scattered ignitable tidy.

Slide 22

Possible Ignition Sources Possible start sources incorporate :

Slide 23

Possible Ignition Sources Possible start sources incorporate : Open flares and starts (welding, modern granulating and cutting, matches, and so forth.) Hot Surfaces (dryers, heading, warmers, and so forth.) Heat from Mechanical Impacts Electrical Discharges (switch and outlet initiation) Electrostatic Discharges (friction based electricity) Smoldering or copying dust Smoking materials (cigarettes, lighters, stogies, and so on.)

Slide 24

How Much Dust is Too Much Dust? What amount of clean is excessively tidy?

Slide 25

How Much Dust is Too Much Dust? NFPA 654 cautions that a clean layer > 1/32 of an inch (or the thickness of a run of the mill paper cut) aggregated on surface ranges of no less than 5 percent of a room's floor/or above roof territory introduces a huge blast peril. Take note of: The U.S. Compound Safety Investigation Board (CSB) found that West Pharmaceutical blast that happened in Kinston, NC, was brought on by clean gatherings principally under ┬╝ inch.

Slide 26

How Much Dust is Too Much Dust? About one-fourth of all clean blasts in the US in the course of the most recent 25 years include metal tidies. *Aluminum metal gathering represented the larger part of these occasions (fundamentally connected with clean accumulation frameworks, for example, mechanical sack houses).

Slide 27

Combustible Dust Safety Hazards That May Contribute to the Combustible Dust Hazard

Slide 28

Safety Hazards That May Contribute to the Combustible Dust Hazard Common Trends Related to Combustible Dust Identified by OSHA: The Hazard was not perceived, Ineffective housekeeping, Inadequate designing controls, Ineffective process controls, Unapproved electrical (e.g. lacking holding and establishing for control of electricity produced via friction).

Slide 29

Combustible Dust Regulatory Standards Related to Combustible Dust

Slide 30

Regulatory Standards Currently there is not a standard for burnable tidy, but rather OSHA infringement can be refered to under the General Industry General Duty Clause and other wellbeing benchmarks identified with Combustible Dust as takes after: 29 CFR 1910.22 - General Requirements: Housekeeping 29 CFR 1910.38 - Emergency Action Plans 29 CFR 1910.94 - Ventilation 29 CFR 1910.107 - Spray Finishing Using Flammable and Combustible Materials 29 CFR 1910.146 - Permit-Required Confined Spaces (references ignitable clean)

Slide 31

Regulatory Standards 29 CFR 1910.178 - Powered Industrial Trucks 29 CFR 1910.269 - Electric Power Generation, Transmission and Distribution (coal taking care of) 29 CFR 1910.272 - Grain Handling Facilities 29 CFR 1910.307 - Hazardous (characterized) Locations (for electric hardware) 29 CFR 1910.1200 - Hazard Communication

Slide 32

Combustible Dust Combustible Dust Hazard Assessment & Mitigation

Slide 33

Hazard Assessment & Mitigation NFPA 654 , Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids Contains exhaustive direction on the control of tidies to avert blasts. This NFPA Std. is equipped more towards architects amid the plan phase of offices.

Slide 34

Hazard Assessment & Mitigation An exhaustive peril asse

SPONSORS