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Flare gas industry

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Flare gas industry
Flare gas is a system that is used to burn unwanted flammable gases that release in various oil and gas projects such as refineries and chemical plants.
What we do
Flare gas stacks types and their use cases in various sites
A gas flare is a process of burning surplus and unwanted flammable gas in various industrial projects in the fields of oil and gas. It is also known as a flare stack, which is a gas-burning device used in industrial plants such as chemical plants, petroleum refineries, and natural gas plants. They are also used at oil and gas extraction sites with oil wells, gas wells, and offshore oil and gas rigs.
Industrial plants release flammable gases in their processings, which should be driven to safety valves that are connected to flare stacks. Oil and gas extraction sites also use the same device for burning-off flammable unwanted gases associated with petroleum gas. Flare gas or flare stack is a technical device that includes many mechanical procedures to separate flammable unwanted gases from oil and gas products. In the following, we will introduce different types of these systems and industrial devices.

Unicatecno Company solutions for flare gas

As a high-profile engineering company, Unicatecno Company provides a different solution for this purpose. Our solutions are usable in various industries and they are adaptable to different conditions of our clients. Our main values are creativity, affordability, and quality. But as you might know, the balance between these values could be changed according to our client’s conditions. We offer engineering solutions to build and use any type of flare gas that is more suitable for our client’s certain situation.

We also offer packaging options and solutions for flare gas procedures. These packaged systems are with all the necessary components that should be used in this process, without any need to add any technical or engineering features to them.

And finally, we offer procurement services for this kind of project. We are familiar with many industrial resources that are our partners and cooperatives, which strengthen our company to provide procurement services to our respective clients.

Flare gas types

Flare gas or flare stacks are generally categorized in two different ways:

  •        By the height of the flare stack
  •        By the method of mixing and burning flammable gases

As you might know, the height should be planned and designed according to different requirements of the site, so this kind of categorization does not help us to understand various components of these systems. In the following, we will introduce various types of flare stacks by their conditions and technical features.

Air-Assisted flares
In many oil and gas sites, there is no adequate steam to use steam-assisted flares. In these situations, air-assisted flares are a very suitable alternative that can be used to burn flammable gases. Air-assisted flares are built with a burner that looks like a spider that is located near the top of a steel cylinder. Burning air is provided by a fan in this cylinder, and the amount of this air can be varied by fan speed. Their main advantage is that they can be used in sites where steam is not available. However, they are generally not economical for those situations in which gas volume is large, but because they are more environment-friendly their usage is increasing in recent years.
Steam-Assisted Flares
This type of flares is the most common type that you can find at many refineries and chemical plants. They are single burner tips that are elevated above ground for safety reasons and burn the flammable gases in a flame above the tip. This type of flare gas system injects steam into the burning zone to induce air into the flame.
Non-Assisted Flares
This type of flares comes without any auxiliary for enhancing the mixing of air into their flame. Their usage is very limited to the sites where gas streams have low heat content that burns without producing smoke. For these situations, technical teams decide to use this type of flares to burn these flammable gases safely.
Pressure-Assisted Flares
This kind of flares uses steam pressure to promote mixing at the burner. They can burn flammable gases without smoke, which makes them very desired for those plants that are located in the cities or urban places.
Enclosed Ground Flares
The last type of flare gas is enclosed ground flare. They are very useful in urban areas as they don’t have any flame tip that could be seen from outside and use various quality procedures that can reduce contaminations which are common in other flares.
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