Pyromat CSB{trademark} low emissions burner for boilers, steam generators and process heaters
Conference
·
OSTI ID:81499
- Alzeta Corporation, Santa Clara, CA (United States)
Alzeta has developed a low NO{sub x} burner for boiler and process heater applications that achieves very low emissions without complicated emissions controls such as flue gas recirculation or staged fuel and air. The Pyromat CSB burner is a semi-radiant, premixed, natural gas fired burner which uses a patented technique to form radiant and blue-flame zones adjacent to each other on a cylindrical porous metal surface. This new technology offers surface heat release rates that are 10 times greater than traditional surface combusters. Because the flame shape is constant over the entire range of operation, and is sized and shaped to meet the specific requirements of the heater, there is no change for flame impingement or nonuniform heating. In one application, thermally enhanced oil recovery, the Pyromat CSB burner is firing on low-Btu gas containing H{sub 2}S drawn from oil wells. Low NO{sub x} FGR burners cannot serve this application because the combustion products corrode the ducting. In addition, premixed burners can operate on low-Btu gases without supplemental natural gases which saves operating expenses. In another application, process heating of fragile fluids, flame impingement can overheat the heat transfer liquid and cause premature tube failure. The Pyromat CSB burner has a constant flame shape over its entire turndown ratio so there is no chance for flame impingement.
- OSTI ID:
- 81499
- Report Number(s):
- CONF-9503131--
- Country of Publication:
- United States
- Language:
- English
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