Low NOx Burners
Description
Low NOx burners are specialized combustion devices designed to minimize the emission of nitrogen oxides (NOx) during the combustion process. These burners achieve this by optimizing the air-fuel mixture and controlling the combustion temperature, which are critical factors in reducing NOx formation.
Working Principle
Low NOx burners operate by carefully managing the combustion process to limit the formation of nitrogen oxides. NOx is primarily formed through two mechanisms: thermal NOx, which occurs at high temperatures when nitrogen in the air reacts with oxygen, and fuel NOx, which results from nitrogen compounds in the fuel reacting with oxygen. Low NOx burners reduce thermal NOx by lowering the peak flame temperature and controlling the excess oxygen levels in the combustion chamber. This is achieved through precise air-fuel ratio control, which is essential for maintaining stable operation and low emissions .
Applications
Low NOx burners are used in various industrial applications where controlling emissions is critical. For example, they are employed in oil field steam flood steam generators to achieve very low NOx emission levels of less than 6 PPM . They are also used in glass melting furnaces, where controlling the peak flame intensity is crucial to minimizing NOx formation .
Advantages over other Burners
Low NOx burners offer significant advantages over traditional burners by effectively reducing NOx emissions, which are a major environmental concern. They achieve this without the need for extensive exhaust aftertreatment systems, making them more efficient and cost-effective in the long run . Additionally, they contribute to better fuel economy and improved combustion efficiency .
Limitations
One of the limitations of low NOx burners is the need for precise control of the air-fuel ratio to maintain stable combustion and low emissions. Deviations in excess oxygen levels can lead to issues such as flameouts or increased NOx formation . Additionally, while they reduce thermal NOx, fuel NOx can still be a challenge, especially when using fuels with high nitrogen content .
Considerations
When considering the implementation of low NOx burners, several factors should be taken into account. Initial costs may be higher due to the advanced technology and control systems required. However, these costs can be offset by the reduced need for exhaust aftertreatment and the potential for fuel savings. Operating expenses may also be lower due to improved combustion efficiency. Durability and maintenance costs will depend on the specific design and materials used, but regular maintenance is essential to ensure optimal performance and longevity. Accurate monitoring and control systems are crucial for maintaining the desired air-fuel ratio and minimizing emissions .
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
- Application: Boiler/Heater/Furnace/Kiln
- Maximum Capacity: 4200 to 42000
from Cleaver-Brooks
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. The MTH has a rugged fecralloy alloy fiber material combustion element with metal fiber construction over a stainless steel frame for flexibility,... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
- Application: Steam and Hot Water Boilers
- Material of Construction: Steel
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
- Application: Firetube/Firebox/Watertube
- Maximum Capacity: 8400 to 42000
from Cleaver-Brooks
The NTH burner operates on natural gas, propane gas, propane/air mix, or a combination of gas/oil fuels at capacities ranging from 1.5 to 12.5 MMBTU. Design features induced FGR and FGR modulating valve. Features: Top- or rear-mount panel options. Backward-curved impeller provides adequate... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 1500000 to 12500000
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]
- Application: Firebox/Scotch Marine
- Maximum Capacity: 550 to 4200
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
- Fuel Consumed: 4 to 30
from Cleaver-Brooks
Suitable for firetube, watertube, firebox and cast iron boilers, the standard V series offers natural gas, propane gas, pressure atomized #2 oil and combination gas/oil fuel options from 1.3 to 16.8 MMBTU. The low NOx V series offers natural gas, propane gas, pressure atomized #2 oil, and... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 1300000 to 16800000
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Heavy Oil (optional feature); Propane (optional feature)
- Application: Scotch Marine/Watertube
- Maximum Capacity: 46200 to 63000
from Cleaver-Brooks
Our innovative flame stabilizer system with a two-zone fuel manifold generates uniform combustion and even heat distribution to fit any HRSG configuration. NATCOM ’s in-house simulation experience allows accurate and complete modeling of the turbine exhaust flow, distribution grid, combustion,... [See More]
- Burner Type: Duct Burner
- Combustion Fuel: Natural Gas; Propane
- Application: Steam and Hot Water Boilers
- Material of Construction: Steel
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
- Application: Firetube/Watertube
- Maximum Capacity: 1300 to 14700
from Cleaver-Brooks
The NXT product line features heavy-duty fan construction to reduce noise and prolong equipment life, a windbox-mounted control panel with swing-away capability for shipment clearance, a custom control system in single-point, parallel, or fully metered configuration, a precise, rugged CAMLINK... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 20000000 to 600000000
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
- Application: Firetube/Watertube
- Maximum Capacity: 67200 to 92500
from Cleaver-Brooks
Retrofitting is simple with burner systems from NATCOM. As a single-source provider, we guarantee a trouble-free retrofit process from start to finish. Our experienced engineers oversee each project and work closely with NATCOM ’s global customer support team to ensure a successful outcome. [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 20000000 to 400000000
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Propane (optional feature)
- Application: Firetube/Watertube
- Maximum Capacity: 37800 to 63000
from Cleaver-Brooks
The perfect burner solution for industrial drying, air heating, or thermal oxidizing processes. These custom systems feature cutting-edge engineering, system modeling, and testing to ensure the highest performance and lowest emissions in your thermal processing application. Features: Lower NOx... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 50000000 to 400000000
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas (optional feature); Light Oil (optional feature); Heavy Oil (optional feature); Propane (optional feature)
- Application: Boiler/Heater/Furnace/Kiln
- Maximum Capacity: 1400 to 10500
from Cleaver-Brooks
By optimizing the combustion air distribution and fuel mixing dynamics using proprietary CFD software, NATCOM-patented HyperMix ™ technology can minimize NOx, CO, and PM emissions on new or retrofit projects meeting the most demanding air permit requirements. Burner systems can be easily... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 50000000 to 400000000
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]
- Burner Type: Premix
- Combustion Fuel: Natural Gas (optional feature); Propane (optional feature)
- Application: Low Emissions
- Material of Construction: Steel
from Cleaver-Brooks
The true forced draft design of the burners allows for trouble-free operation and superior efficiency across a wide range of applications. A backward-curved impeller ensures adequate combustion air for exceptional performance at various furnace pressures and high-altitude applications. The cam trim... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 3400000 to 42000000
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]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas
- Application: Firebox/Firetube/Watertube
- Maximum Capacity: 375 to 2500
from Cleaver-Brooks
Suitable for firetube, firebox, and watertube boilers; the E series features a low pressure drop firing head design and low blower motor horsepower requirement for increase efficiencies. Advanced technology allows the E series to offer low NOx emissions options, up to 10:1 turndown on natural gas,... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 8400000 to 42000000
from Cleaver-Brooks
The S1 series is suitable for firetube and watertube boiler applications. The standard S1 series offers natural gas, propane gas, air-atomized #2 or #6 oil and combination gas/oil fuel options from 46.2 to 63.0 MMBTU. The LNS1 series offers natural gas, propane gas, air-atomized #2 oil and... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 33000000 to 63000000
from Cleaver-Brooks
Suitable for large firetube and watertube applications, the XL series is offered in two standard configurations- vertical and horizontal. Vertical configurations support capacities ranging from 37.8 to 63.0 MMBTU, and horizontal configurations support capacities from 67.2 to 92.4 MMBTU. The... [See More]
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
- Application: Steam and Hot Water Boilers
- Maximum Capacity: 37800000 to 92400000