RESEARCH AND DEVELOPMENT OF NATURAL DRAFT ULTRA-LOW EMISSIONS BURNERS FOR GAS APPLIANCES
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RESEARCH AND DEVELOPMENT OF NATURAL DRAFT ULTRA-LOW EMISSIONS BURNERS FOR GAS APPLIANCES

  • Author(s): Therkelsen, Peter
  • Cheng, Robert
  • Sholes, darren
  • et al.
Abstract

Combustion systems used in residential and commercial cooking appliances must be robust and easy to use while meeting air quality standards. Current air quality standards for cooking appliances are far greater than other stationary combustion equipment. An advanced low emission combustion system for cooking appliances can reduce air quality impacts from these devices. This project adapted the Lawrence Berkeley National Laboratory (LBNL) Ring-Stabilizer Burner combustion technology for residential and commercial natural gas fired cooking appliances (such as ovens, ranges, and cooktops). LBNL originally developed the Ring-Stabilizer Burner for a NASA funded microgravity experiment. This natural draft combustion technology reduces NOx emissions significantly below current SCAQMD emissions standards without post combustion treatment. Additionally, the Ring-Stabilizer Burner technology does not require the assistance of a blower to achieve an ultra-low emission lean premix flame. The research team evaluated the Ring-Stabilizer Burner and fabricated the most promising designs based on their emissions and turndown.

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