Direct Burners
Description
Direct burners are devices designed to produce a controlled flame for heating purposes. They are used to convert fuel into heat energy, which can then be utilized for various industrial processes. The primary function of direct burners is to provide a consistent and efficient source of heat.
Working Principle
Direct burners operate by mixing fuel with air and igniting the mixture to produce a flame. This process involves the use of a burner control system that ensures safe and efficient operation. The control system monitors flame safety and ensures that the burner operates under safe conditions, as dictated by standards from organizations such as CSA, NFPA, FM, and CEN . The use of advanced materials, such as engineered ceramics, in burner components can enhance performance by extending component life and reducing maintenance costs .
Applications
Direct burners are used in a variety of industrial applications. For example, they are employed in submerged combustion heating and evaporation processes, where they provide the necessary heat for these operations . Additionally, they are used in industries that require high-temperature processes, such as metalworking and ceramics manufacturing.
Advantages over other Burners
Direct burners offer several advantages over other types of burners. For instance, the use of engineered ceramics in burner components allows them to operate over a wider temperature range and provides high resistance to thermal fatigue . This results in decreased maintenance costs and extended component life. Furthermore, direct burners can be designed to produce low emissions, making them environmentally friendly options for industrial heating .
Limitations
One limitation of direct burners is the potential for environmental concerns related to emissions. The sparging of gas into a liquid can create fine droplets that may be transported with the gas, resulting in suspended particulates in the stack gas. The environmental impact of these particulates depends on their nature, concentration, and site-specific environmental permits .
Considerations
When considering the use of direct burners, several factors should be taken into account. Initial costs can vary depending on the materials and design of the burner. Operating expenses are influenced by the efficiency of the burner and the cost of fuel. Durability is enhanced by the use of advanced materials, such as engineered ceramics, which can reduce maintenance and replacement costs . Accuracy in burner operation is ensured by sophisticated control systems that monitor safety and performance .
from Detroit Radiant Products Company
15 inch commercial grade rotisserie or range boiler burner [See More]
- Firing: Direct
- Application: Commonly Used in Gas Barbecues And Ranges
- Burner Type: Radiant / Infrared
- Combustion Fuel: Natural Gas (optional feature); Propane (optional feature)
from Solaronics, Inc.
Custom designed gas infrared burners for commercial cooking, boiler, humidifier & dishwasher applications. Burner surface styles include ceramic tile, wire mesh and woven ceramic fiber in various shapes, sizes and capacities. [See More]
- Firing: Direct
- Application: Curing, Drying, Pre-Heating, Dehydrating, Cooking, Evaporating, Immersion Heating, Chemical Processes
- Burner Type: Radiant / Infrared
- Combustion Fuel: Natural Gas
from Cleaver-Brooks
M series models are offered in natural gas, propane and combination gas/oil fuel options from 1.4 to 10.5 MMBTU. Full modulation and cam trim adjustment provide optimum performance to meet load demand. A backward-curved impeller ensures adequate combustion air for exceptional performance at various... [See More]
- Firing: Direct
- Application: Steam and Hot Water Boilers
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
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]
- Firing: Direct
- Application: Steam and Hot Water Boilers
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
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]
- Firing: Direct
- Application: Steam and Hot Water Boilers
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
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]
- Firing: Direct
- Application: Steam and Hot Water Boilers
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas; Light Oil; Propane
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]
- Firing: Direct
- Application: Steam and Hot Water Boilers
- Burner Type: Duct Burner
- Combustion Fuel: Natural Gas; Propane
from Cleaver-Brooks
We provide fuel trains that precisely and repeatedly meter the fuel flow to your specific burner application. Our design team has in-depth experience with diverse fuel compositions, fuel supply conditions, and burner arrangements. Features: NFPA 85, FM, CSA B149.3, ASME B31.1 or B31.3. Safety... [See More]
- Firing: Direct
- Combustion Fuel: Natural Gas; Hydrogen, Digester Gas, Tail Gas
- Application: Steam and Hot Water Boilers
- Material of Construction: Steel
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]
- Firing: Direct
- Application: Steam and Hot Water Boilers
- Burner Type: Nozzle Mixing
- Combustion Fuel: Natural Gas