Indirect Burners
Description
Indirect burners are devices designed to provide heat without direct contact between the combustion gases and the material or space being heated. They achieve this by transferring heat through a medium, such as a heat exchanger, ensuring that the combustion by-products do not mix with the heated environment.
Working Principle
Indirect burners operate by using a combustion process to heat a medium, such as air or a thermal fluid, which then transfers the heat to the desired area or material. This method is particularly useful in situations where direct exposure to combustion gases is undesirable. The separation of the combustion process from the heating application allows for cleaner and more controlled heating, making indirect burners valuable in maintaining specific environmental conditions.
Applications
Indirect burners are commonly used in applications where the presence of combustion gases could contaminate the product or process. For example, they are employed in food processing industries to ensure that food products are not exposed to combustion by-products. They are also used in chemical processing where the purity of the product is critical, and in environments requiring precise temperature control, such as certain manufacturing processes.
Advantages over other Burners
One of the primary advantages of indirect burners is their ability to provide clean heat, as the combustion gases do not come into contact with the material being heated. This makes them ideal for applications requiring high levels of purity and cleanliness. Additionally, indirect burners can offer better temperature control compared to direct burners, as the heat transfer can be more precisely managed through the intermediary medium.
Limitations
Indirect burners have some limitations, including extended start-up times due to the need to heat the intermediary medium before effective heat transfer can occur. They may also suffer from energy inefficiencies, as some heat is inevitably lost during the transfer process. Furthermore, indirect systems often require more space and infrastructure compared to direct heating systems.
Considerations
When considering the use of indirect burners, it is important to evaluate the initial costs, which can be higher due to the complexity of the system and the need for additional components like heat exchangers. Operating expenses may also be higher due to potential energy losses and the need for regular maintenance to ensure efficiency and longevity. Durability and accuracy in temperature control are generally good, but the system's complexity can lead to increased maintenance and replacement costs over time.
from Industrial Combustion, LLC
D series burners are performance proven in boiler, heater, furnace, kiln and dryer applications worldwide. The standard D series offers natural gas, propane gas, air atomized #2-6 oil and combination gas/oil fuel options at capacities from 4,200,000 to 42,000,000 MBTU/Hour. The low NOx D series... [See More]
- Firing: Indirect
- Application: Boiler/Heater/Furnace/Kiln
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
Suitable for firetube, firebox and watertube boilers; the E series features a low pressure drop head design and low motor horsepower requirements for increased efficiencies. The E series offers natural gas, propane gas, air atomized #2 oil and combination gas/oil fuel options at capacities from... [See More]
- Firing: Indirect
- Application: Firetube/Firebox/Watertube
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
Suitable for cast iron, firebox and scotch marine boilers; the FP series burners are effective where high heat release is required or where a restricted combustion chamber exists. The FP series offers natural gas, propane gas, pressure atomized #2 oil and combination gas/oil fuel options at... [See More]
- Firing: Indirect
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
- Application: Firebox/Scotch Marine
- Maximum Capacity: 550 to 4200
from Industrial Combustion, LLC
S1 series burners are suitable for scotch marine and watertube boiler applications. The standard S1 series offers natural gas, propane gas, air atomized #2-6 oil and combination gas/oil fuel options at capactities from 46,200,000 to 63,000,000 Btu/hour. The low NOx. Features Include: Gas, light and... [See More]
- Firing: Indirect
- Application: Scotch Marine/Watertube
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Heavy Oil (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
Suitable for firetube, watertube and cost iron boilers; the V series features a unique aerodynamic air damper design which permits accurate air-to-fuel settings for maximum combustion efficiency. The standard V series offers natural gas, propane gas, pressure atomized #2 oil and combination gas/oil... [See More]
- Firing: Indirect
- Application: Firetube/Watertube
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
Suitable for large firetube and watertube applications; the XL series features a unique and precise air metering system which permits accurate air-to-fuel settings for maximum combustion efficiency. The XL series offers natural gas, propane gas, air atomized #2 oil and combination gas/oil fuel... [See More]
- Firing: Indirect
- Application: Firetube/Watertube
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
Suitable for large firetube and watertube applications; the XL series features a unique and precise air metering system which permits accurate air-to-fuel settings for maximum combustion efficiency. The XL series offers natural gas, propane gas, air atomized #2 oil and combination gas/oil fuel... [See More]
- Firing: Indirect
- Application: Firetube/Watertube
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
M series burners are designed for a wide range of applications such as boilers, heaters, furnaces, kilns and dryers. The M series offers natural gas, propane gas, air atomized #2-6 oil and combination gas/oil fuel options at capacities from 1,400,000 to 10,500,000 MBTU/Hour. Full modulation and cam... [See More]
- Firing: Indirect
- Application: Boiler/Heater/Furnace/Kiln
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Heavy Oil (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
The standard MTH series includes full modulation with parallel positioning and offers natural gas and propane gas from 2.5 to 16.0 MM BTU per hour. Capable of low NOx/CO emissions without FGR, the MTH series features a rugged allow fiber material combustion element over a stainless steel frame,... [See More]
- Firing: Indirect
- Application: Low Emissions
- Burner Type: Premix
- Combustion Fuel: Natural Gas (optional feature); Propane (optional feature)
from Industrial Combustion, LLC
Designed around efficiency and operational simplicity, the Q series is perfect for cast iron sectional boilers, firebox, commercial watertube, firetube, furnace and oven applications. The standard Q series features linkageless operation with DC pulse width modulation and parallel positioning gas... [See More]
- Firing: Indirect
- Application: Firebox/Firetube/Watertube
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas