The Bruest ® Catalytic Heater
Bruest Catalytic Heaters are designed for safety, efficiency, and ease of use in mind. The heaters are offered in multiple sizes, BTU ratings, and configurations to meet varying application requirements. All Bruest Catalytic Heaters are available for installation in Class I, Division 1 or 2, Group D locations. ATEX certifications for Group II, Categories 2 or 3, Hazard G locations are available.
EXPLOSION PROOF INFRARED HEATERS
Catalytic heater TECHNOLOGY OVERVIEW
Catalytic Heaters differ from conventional heating with the introduction of the catalyst. Normal ignition temperature of natural gas in air is approximately 1260°F. In the presence of a catalyst, an oxidation- reduction reaction occurs to release the energy in the gas into infrared energy, carbon dioxide, and water vapor at a temperature lower than the autoignition temperature of the fuel. Catalytic heat, as a radiant energy source, will flood the area with heat energy much like a light bulb floods the area around it with light. The intensity of the heat energy varies with the square of the distance and travels any distance without loss as long as it does not contact matter which absorbs it. It does not heat the air as the radiant heat passes through air as an electromagnetic wave. It only heats solid or liquid surfaces. The flameless heat, at a temperature lower than the ignition temperature of natural gas, makes Bruest’s Catalytic Heaters well suited for natural gas and gas equipment heating applications.Catalytic HEater Applications
Bruest Catalytic Heaters are suitable for all heating applications. Typical applications include:- Instrument Heating
- Freeze Protection
- Building Heat
- Portable Personnel Heating
Operational Concept
The catalytic heater is first heated by the enclosed electric heating element. Typical warmup time is about 15 to 20 minutes. Once the catalytic pad has been warmed up, gas can be introduced via the safety valve, if so equipped, to begin the catalytic heating process. Gas enters the heater via the dispersion tube assembly and is dispersed by the dispersion screen. The gas diffuses through the insulation to come in contact with the catalyst to begin the catalytic conversion process.
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