Posts Tagged ‘ combustible gas ’

9 Safety Lessons You Should Learn from Hoeganaes Combustible Dust Explosion

Recently, the US Chemical Safety Board (CSB) released a report and animated video about three fires and explosions that happened at Hoeganaes Corp. plant in Gallatin, Tennessee, in 2011. Hoeganaes Corp. is a manufacturer of atomized steel and iron powders.

These accidents caused five people died and three people injured. Fine iron powder was involved in these accidents. These accidents were combustible dust explosion.

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15 Ideas for Workplace Safety Posters

Workplace safety posters can make a big difference. They can prevent an accident at work to occur. Many people can be prevented from doing unsafe actions after seeing such text and graphical messages.

safety-postersWorkplace safety posters are effective ways to remind people about potential hazards at workplace. They can deliver safety message effectively through text and graphical posters. And the good news is that you have full control on designing workplace safety posters for your workplaces.

However, you may have problem in creating workplace safety posters. There is no idea that comes into your mind. That’s no problem. In this post, I’d like share 15 ideas for workplace safety posters. So, keep reading this article to brainstorm idea. (more…)

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What Types of Construction Safety Equipment Should You Prepare?

Preparing appropriate types and enough quantity of construction safety equipment are ones of the important steps you have to do to ensure safety during construction work inside your workplace area or chemical plant.

construction-safety-equipmentsYou may rely on your daily safety equipments to fulfill the requirement of construction safety equipments. But, it is not enough. Take a moment to think about it. Construction work is much different with your daily plant operation. You will need different types of safety equipment.

Fail to fulfill the appropriate construction safety equipment will endanger the safety of your construction workers, employees and plant facilities. (more…)

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Facts You Should Know About LEL Monitor and LEL Meter

LEL monitor or combustible gas monitor is a very vital aspect in hot work safety. Failure in doing accurate LEL monitor will bring to a catastrophic condition. The same condition will also happen when you use improperly calibrated LEL meter or LEL detector, which is used to measure LEL percentage of combustible gas or vapor in the atmosphere.

Before doing LEL monitor or operating LEL meter, you should know exactly the following facts. They will help you how to do LEL monitor properly. (more…)

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Again, Another Hot Work Related Accident Was Happened

Yesterday morning (9/11), a hot work related accident was happened at Dupont’s Yerkes plant on River Road in Tonawanda, US. In that work accident one contractor worker was killed and another worker was injured.

accident-at-workThe accident was happened when two contractor workers were welding on a 10,000 gallon chemical storage tank. The tank exploded during the welding work. The tank is usually used to store vinyl fluoride.

According to Dupont official, the chemical storage tank was emptied and cleaned up for several times to make sure it is safe to do welding work. However, some chemical reactions took place when the welding work was in process and caused the chemical storage tank exploded. (more…)

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Understanding LEL of Common Combustible Gases

by Lukman Nulhakiem

LEL-of-common-combustible-gasesThere are many common combustible gases found in chemical plant. These combustible gases have one similarity. They can be ignited when their concentration in air are within their flammability limits.

What are flammability limits? Flammability limits or commonly known as explosive limits are defined as concentration of combustible gas in mixture with air in which they can be ignited and exploded in the presence of source of ignition.

The lowest concentration of a combustible gas in mixture with air where it still can be ignited is called by Lower Explosive Limit (LEL) or Lower Flammable Limit (LFL). Whereas, the highest concentration of a combustible gas in mixture with air where it still can be ignited is called by Upper Explosive Limit (UEL) or Upper Flammable Limit (UFL). (more…)

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Combustible Gas Detectors – Overview

Combustible gas detectors are ones of the basic safety equipments required when there is combustible gas inside the plant site. Auto-ignition temperature and Lower Explosive Limit (LEL) describe the potential dangers of combustible gases.

Auto-ignition temperature is the lowest temperature at which combustible gas could be ignited spontaneously (self-sustained combustion), without the presence of source of ignition. Meanwhile, Lower Explosive Limit or LEL is the lowest concentration of combustible gas in the air that will propagate flame when exposed to a source of ignition.

There are two types of combustible gas detectors in market. The first type is electrocatalytic (catalytic bead), which is also referred to passive type of gas detector. The second type is infrared detector, which uses infrared absorption as detecting technology. It is the active type. (more…)

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