Danbury, CT – A boiler system functions as a critical component to the continuous operation of a facility. It is important to maintain safe, reliable, and efficient operation while minimizing any downtime of the boiler system to prevent disruption of operation and significant loss. A boiler system consists of many sub-systems working in harmony – the boiler, the burner and its controls, boiler […]
Meeting Customer needs with Complete Packages
Made in the U.S.A., This project was fast tracked so all burners got their own set of wheels! Preferred was happy to work closely with one of our discriminating, long time State Agency customers to package these excellent Preferred combustion and controls with Johnston boilers – together for an ultra high efficiency and low emissions boiler plant. The […]
Five Considerations for Pumping and Storing Liquid Biofuels
-Dan Wallace, Danbury, CT Why do you need to know about biofuel handling? End users, governments, and private enterprises are looking for ways to reduce carbon emissions while minimizing capital equipment costs, and the equipment impacted ranges from backup diesel generators to industrial boilers. While the customer needs for this fuel are becoming more pronounced, third party testing […]
Watchdog Circuits in Burner Management
-Howard Wells, Preferred Utilities, Danbury, CT Introduction Have you ever seen a PLC-based burner management system and wondered “Why are the inputs turning on and off every few seconds?” This “flashing” of the inputs is a type of error checking for the PLC discrete input channels and is required by NFPA 85 for all non-SIL3 rated PLC-based burner […]
NYC Schools Pressure Atomized Combustion
At our newest site in the NYC school system, Preferred converted their burners to (4) Preferred API-AF pressure atomized burners with Preferred’s BurnerMate Universal control systems and opacity monitors. Pressure atomization depends on the oil pressure inside the nozzle tip to spray a fine mist of oil, very similar to a spray bottle. The micronized oil droplets are […]
Prepare your Facility for Cold Weather: Combustion Air Requirements
Parts of the United States have experienced and continue to experience unusually cold temperatures over the last two weeks. In these circumstances, plant operators are usually forced to shut windows and doors in their boiler rooms to keep the cold air out and prevent water lines from freezing. But boilers need to breathe too. Bottling up a boiler […]
Emissions Reduction Strategy at Leading University
Made in the U.S.A. to meet aggressive emissions reduction and sustainability goals with ENSYN Renewable Fuel Oil (RFO, made from sustainably sourced wood waste), this prominent New England university chose Preferred’s burner, and combustion controls design solution for this one of three (two in the future) boiler upgrades. Pictured below is a fuel skid for RFO. The Preferred Ranger API-RF burner, mounted […]
60 Years later Preferred Rotary Tech Performs
These twin 1960 Preferred Utilities Rotary cup, forced draft burners, have been meticulously maintained and retrofitted over the years to provide over 60 years of continuous service to this NYC school location. We love partnering with facilities that take such pride in their boiler room, their equipment, and preventative maintenance. After serving as their combustion engineering and technical […]
New England University pursues Sustainability goals with Preferred strategy
To meet aggressive Emissions Reduction and Sustainability goals with Renewable Fuel Oil (RFO), this New England university chose a Preferred burner and combustion controls for it’s (1) of (3) boiler upgrades. One of the pictures below shows a fuel skid for RFO testing. The Ranger API-RF burner installed here has a 3-fuel setup, involving natural gas with 9ppm NOx, Oil with 90ppm […]
Pressure Atomization Solutions in NYC Schools & beyond
For the last 100 years, Preferred has been dedicated to boiler room solutions. In modern times, that has included advancements in sustainability and efficiency, for a better, cleaner future in energy creation. The addition of pressure atomization to our API-AF burners eliminates the need for air compressors and atomizing air piping, while decreasing footprint, equipment cost, electric cost […]