Cogen Ducts and Roof Stacks

If you need large heavy-gauge ducts and roof stacks, BEPeterson can help. From conception and design to duct fabrication, our ASME-certified engineering solutions meet any plant’s specifications and requirements. From matching existing installations with architectural roof stacks to specialty finishes made with ground welds, our products are fabricated to cater to the most demanding designs.

We believe in bringing value to our customers and building long-lasting partnerships through high-quality fabrication and excellent communication. We utilize advanced manufacturing techniques and low-cost material procurement to supply duct burner systems and roof stacks that withstand extreme environments and provide operational efficiency.

Air Vent

Cogen Ducts

Duct burners improve the cogen system’s efficiency and capacity. They provide supplementary firing that boosts the heat energy of a gas turbine’s exhaust gases, increasing the output of the downstream heat-recovery system generator (HRSG), which ultimately helps to maintain or increase steam production. 

According to the U.S. Energy Information Administration, plants can adapt to varying operating conditions by burning additional fuel to heat the exhaust gases, leading to higher capacity factors, up to 11% more than plants without duct firing. All ductwork must be carefully designed to prevent issues like vortex shedding and excessive vibration. BEPeterson duct burner design and fabrication services ensure high-quality, well-engineered ducts that maximize the system’s efficiency, safety and longevity.

Roof Stacks

Duct burners improve the cogen system’s efficiency and capacity. They provide supplementary firing that boosts the heat energy of a gas turbine’s exhaust gases, increasing the output of the downstream heat-recovery system generator (HRSG), which ultimately helps to maintain or increase steam production. 

According to the U.S. Energy Information Administration, plants can adapt to varying operating conditions by burning additional fuel to heat the exhaust gases, leading to higher capacity factors, up to 11% more than plants without duct firing. All ductwork must be carefully designed to prevent issues like vortex shedding and excessive vibration. BEPeterson duct burner design and fabrication services ensure high-quality, well-engineered ducts that maximize the system’s efficiency, safety and longevity.

Industries and Applications

Cogen ducts and roof stacks are critical in cogeneration applications across diverse industries, from power generation and waste-to-energy to chemical processing and industrial manufacturing. Their main function is to handle exhaust gases and emissions safely, contribute to improving energy efficiency and comply with environmental standards.

Cogen ducts and roof stacks are commonly used in the following ways:

  • Power generation: They optimize energy used in cogeneration power plants and direct exhaust gases and emissions in electricity and steam generation plants.
  • Industrial manufacturing: Ducts and stacks are used in the chemical and petrochemical industries as part of the cogeneration systems that supply energy to handle the system’s emissions.
  • District heating systems: They use ducts and stacks to vent emissions generated by piping heating systems.
  • Renewable energy projects: Biomass power plants utilize ducts and stacks to manage exhaust gases, and waste-to-energy plants use them to handle emissions from waste combustion.

Get Started With BEPeterson

Since 1935, we’ve specialized in custom metal fabrication, including cogen ducts and roof stacks. Our full-service approach provides complete engineering, design and project management support. 

Request a quote from one of our project engineers or email sales@bepeterson.com for more information!

Start your engineering partnership with BEPeterson today!

  • Co Gen Ducts – Square-to-round, elbows.
  • 8 Roof Stacks and Internal Piping.
  • Co Gen Ducts