July 2018

Environment and Safety

A brief guide to fire zone analysis

Every process plant has a dedicated disposal system to ensure that gases from equipment, instruments and pressure safety valves are flared to follow environmental norms for the gases vented to the atmosphere from the flare stack.

Kadam N., IBI Chematur Engineering

Every process plant has a dedicated disposal system to ensure that gases from equipment, instruments and pressure safety valves are flared to follow environmental norms for the gases vented to the atmosphere from the flare stack.  To estimate the combined relief load for the external fire scenario, the maximum extent of the fire should be estimated. API 5211 defines a fire impact area of 230 m2 to 460 m2 around the source of fire. However, it does not define the exact shape of the area. For a simplified approach, the shape is always considered as a circle, often referred to as a fire circle. This ensures that every piece of equipment in the fire circle radius is considered for estimating th

Log in to view this article.

Not Yet A Subscriber? Here are Your Options.

1) Start a FREE TRIAL SUBSCRIPTION and gain access to all articles in the current issue of Hydrocarbon Processing magazine.

2) SUBSCRIBE to Hydrocarbon Processing magazine in print or digital format and gain ACCESS to the current issue as well as to 3 articles from the HP archives per month. $399 for an annual subscription*.

3) Start a FULL ACCESS PLAN SUBSCRIPTION and regain ACCESS to this article, the current issue, all past issues in the HP Archive, the HP Process Handbooks, HP Market Data, and more. $1,995 for an annual subscription.  For information about group rates or multi-year terms, contact J'Nette Davis-Nichols at Jnette.Davis-Nichols@GulfEnergyInfo.com or +1 713.520.4426*.

*Access will be granted the next business day.

Related Articles

From the Archive

Comments

Comments

{{ error }}
{{ comment.comment.Name }} • {{ comment.timeAgo }}
{{ comment.comment.Text }}