Retrofit Existing Boilers To Meet Low Nox Emissions Requirements
Retrofit Existing Boilers To Meet Low Nox Emissions Requirements
2 PagesBOILER DIVISION CASE STUDY J.G. Boswell Tomato Company Buttonwillow, California Boiler Retrofit CUSTOMER APPLICATION AND KEY CHALLENGES Two Cleaver Brooks Industrial Watertube boilers are responsible for plant opera- tions that include processing approxi- mately 4,800 tons/day of fresh tomatoes with a 240,000 pph peak steam demand at 350 psig saturated conditions. The boilers were originally supplied in the year 2000 with burners designed to meet the then current San Joaquin Unified Air Pollution Control District Rule 4306 requiring units over 20 mmbtu/hr to oper- ate at less than 9 ppm NOx. In 2007, the Air District began workshops with the intent to further limit NOx emissions. With this new rule pending, J.G. Boswell approached R.F. MacDonald Co request- ing a solution tha
