Why is nitrogen used to displace air at the start of operation, and what is its purpose?
Thread Content
Why is nitrogen used to displace air at the start of operation, and what is its purpose?
From a safety perspective, nitrogen does not readily react with other substances. Prevent various flammable and explosive situations from occurring at the start of operations. From an economic perspective, it is easier to obtain compared to other inert gases such as nitrogen.
Prevent process gases from mixing with air to reach the explosive limit
Prevent mixing with process materials and air to reach the explosive lower limit, thereby avoiding safety accidents resulting from reaction with oxygen in the air or contamination of the materials after such reactions.
One should use their own brain to think about it.
From a safety perspective, nitrogen does not readily react with other substances. Prevent various flammable and explosive situations from occurring at the start of operations. From an economic perspective, it is easier to obtain compared to other inert gases such as nitrogen.
This statement is not absolute; it’s not necessary to do this before starting up all production units. What’s the use of replacing the gas inside an open reactor with nitrogen?
Prevent oxygen in the air from reacting with the material
Because nitrogen is the cheapest and safest inert gas, for driving safety
One reason is that nitrogen is an inert gas that does not readily react with other substances, thereby preventing the media present in the air from affecting the operation of the equipment. One is to remove any moisture that may be present in the equipment through displacement (common in low-temperature cryogenic systems)