SAMSON CONTROLS INC
SAMSON CONTROLS INC. - Manufacturer of Globe Valves, Butterfly Valves, PTFE Lined Valves, Positio……...
The Anguil Vapor Combustion Unit incorporates the efficiency of a thermal oxidizer with the simplicity of an enclosed flare. Anguil VCU technology has several advantages over conventional enclosed combustion systems, whether installed on a continuous emission stream or intended for intermittent use.
It is a durable device that can handle changing emission flow rates and concentrations.
Image Credit: Anguil Environmental Systems
There are two fundamental types of flame burners: open and enclosed. These burners are employed in thermal flaring technologies to destroy hydrocarbons, volatile organic compounds (VOCs), or hazardous air pollutants (HAPs).
Recent limitations on greenhouse gases (GHGs), vapor radiation, visible emissions, and noise pollution have compelled the industry to switch from open flaring to enclosed vapor combustion systems.
Product Overview
Benefits of Anguil’s VCUs
The requirement for water or steam injection is eliminated via a proprietary burner design
The design of the air staging burner further minimizes the output of nitrogen oxides (NOX) and carbon monoxide (CO)
Skid-mounted style makes installation easier and costs less
Multiple independent process streams can be injected separately and simultaneously owing to a specialized burner design
Image Credit: Anguil Environmental Systems
99%+ Destruction Rate Efficiency (DRE), Regulatory Compliance Guaranteed
Optional Corrosion Resistant Coatings
Access Ladder & Platforms to Sample Ports & Combustion Chamber
Free Standing Fuel Train & Control Rack
Forced Draft or Natural Draft Systems
Free Standing Construction
Gas trains are designed to meet FM Global or any international certifications such as CSA, EN, TSSA, or CGA
Programmable Logic Controllers (PLCs): automate operation startup to shut down, minimizing operator interface requirements. Remote telemetry capable with various enclosure options
Air Flow Range and Efficiency
Air Flow Range
Varying flows and concentrations
Turndown Capabilities
10:1 or greater
Destruction and Removal Efficiency
Up to 99.9%
Ideal Applications
Changing vapor concentrations and process flow rates
High emission destruction requirements
Low maintenance demands
Mixing operations, tank vents, loading stations, and more
Features
Features and Design Options
Flame-arresting burners for flashback mitigation and safe operation
Reliable, automatic pilot ignition systems
Sample test and sight ports
Gas trains are designed to meet FM Global or any international certifications such as CSA, EN, TSSA, CGA, and ATEX
Robust Programmable Logic Controller (PLC) based controls with digital data recording, remote telemetry, and various configuration options
Process gas capacities up to 100 MMBTU/H
Destruction rate efficiencies up to 99+%
Multiple burner options for fuel input, including natural gas, propane, and hydrogen, as well as ultra-low NOx or electric heating elements
High turndown capabilities / 10:1 or greater
Fully integrated burner management system
Stainless steel construction on components susceptible to weather damage
Options
Corrosion-resistant metallurgies
Detonation or deflagration flame arrestors
Natural draft or forced draft combustion
Knockout pots for upstream liquid separation
Forced draft configuration
Low, medium, or high-temperature designs
Refractory lined with ceramic fiber insulation
Heat transfer tubes for process heating needs
Image Credit: Anguil Environmental Systems
Operating Cost Reduction Strategies
Oxidizer Service and Preventive Maintenance Evaluations (PME)
How Do Vapor Combustors Work?
Depending on the sector, the terms Low Emission Flare (LEF), Medium Temperature Flare (MTF), High-Temperature Flare (HTF), Industrial Burners, Enclosed Flares, Biogas Flares, Gas Burners, Fired Heaters, Open Flame Flare, Candlestick Flare, Flare Stack, Thermal Combustors, Fire Box, Enclosed Burners, and Vapor Combustor Units (VCUs) could be interchanged.
A purge sequence within the VCU is initiated before the introduction of process gases to eliminate any existing combustibles from the device. Only once the system controls establish a safe state can the pilot ignite. The process gas enters the system via an isolation valve or intake duct. These process emissions are subsequently used to feed the combustion device.
Under low process pressure settings, Anguil’s vapor combustion unit can be configured in a natural draft configuration, eliminating the requirement for combustion air fans, or with a blower package.
The combustion air is typically pulled into the destruction chamber via one or more natural-draft air inlets. Temperature control is provided automatically by modulating control dampers, which provide optimal combustion temperatures for the oxidation of the various components.
In the case of highly variable process circumstances, both in terms of flow and hydrocarbon content, emissions can be fed into the combustion chamber via a variety of different burner heads or stages.
The gradual introduction of process gases results in larger system turndown ratios and lower GHG emissions such as NOX and CO2. This steady, staged combustion burner can also destroy emissions at low working temperatures, typically between 1500 and 1800 °F (815 and 982 °C).
In the combustion chamber, process gases are typically destroyed during operation using an exothermic reaction. When there are insufficient VOCs to support oxidation on its own, additional fuel is needed to achieve destruction temperatures.
In low BTU content process gas conditions, the natural gas burner is solely employed as supplemental firing to maintain operating temperature and emission destruction. The VCU often achieves destruction efficiency of up to 99+% with the right combination of duration, temperature, and turbulence.
SAMSON CONTROLS INC. - Manufacturer of Globe Valves, Butterfly Valves, PTFE Lined Valves, Positio……...
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