Saturday, August 3, 2013

FIRE ALARM SYSTEM



FIRE TRIANGLE
For the fire, above figure illustrates that for avoiding the fire generally two things cannot be controlled in the Petrochemical Industry i.e. Oxygen and fuel. Only thing we can control is ignition part of it by keeping the environmental and equipment in safe condition.
DETECTION OF FIRE: Detection of fire is achieved through the following monitors.
1.       Smoke detector

2.       Heat detector

3.       Gas detector

4.       UN detector

CONTAINING ELECTRICAL FIRE
Contain of electrical fire through fire extinguishers like BCF cylinder and Halon Gas
HALON GAS:  
Halon gas is used generally in the electrical operating system for the fire extinguishers which is controlled by fire detection panel. The halon gas is generally used (Types are 1211 and 1301) in the Petrochemical Industry).

                Halon gas chemical name is Bromo Chlro Dyflromethane.

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