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To meet New York City emissions regulations and secure a sustainable future for their plant, the 4th largest high pressure steam plant in NYC chose Preferred for its #6 oil to gas and #2 oil conversion.

This plant has a rich history, with four (4) watertube boilers stamped 1939, traditionally burning #6 oil except during World War II when they burned coal because oil was going to the war effort.

Pictured Below: Old panel on the left, new panel on the right- This is one of five new panels. We accommodated the customer with the same look of the old panel, but with state-of-the-art technology.

With (4) watertube boilers and (4) 60,000 gallon, single wall tanks buried 15 feet underground, they had some work to do in order to convert from #6 oil to gas and #2 oil by 1/1/2020, when NYC enacts fines for facilities not in compliance with emissions regulations.

Preferred met the challenge with new oil guns/tips, a complete and new fuel oil system, Allen Bradley PLC combustion controls to replace their old Bailey single-loop controllers, and EPA, DEC, DEP compliant tank gauging system for the single wall, buried tanks.

Spreading Combustion Joy through compliance and innovation!

 

Read the original article here.

By Rich Kirby, Patch Staff Aug 12, 2019 1:30 pm ET

Preferred Utilities is headquartered in Danbury with facilities around the United States employing 90 people. Preferred Utilities is headquartered in Danbury with facilities around the United States employing 90 people. U.S. Senator Chris Murphy (D) announced Preferred Utilities Manufacturing in Danbury is this week’s “Murphy’s Monday Manufacturer.”

Founded in 1920, Preferred Utilities specializes in the manufacturing of burners, instruments and controls, and fuel oil handling equipment for industrial, commercial, and missions critical applications. The company does work for government and municipal buildings, hospitals, colleges and universities, data centers, pharmaceutical companies, waste management plants, and nuclear facilities.

“Preferred Utilities is leading the way in combating climate change by using alternative and renewable fuels to run their business and companies around the world are noticing. They are committed to the Danbury community through partnerships with local schools and charitable organizations. I’m happy to highlight them,” said Murphy in a release.

Preferred Utilities became the first company in the Northeast to convert its boilers to Bio-Residual Oil, which is produced from vegetable grease and animal fat, to power its 50,000 square foot facility in Danbury. They are also one of the first companies in Connecticut to convert its boilers to renewable fuel.

“Although founded in 1920, we moved to Danbury in 1946 and made it our home. Preferred is very attached and dedicated to the greater Danbury community and we employ some of the top people in our industry, born and raised in Connecticut. Because we are a family company, Preferred employs several generations of the same family, all Connecticut residents and members of the community,” said David Bohn, President and CEO of Preferred Utilities Manufacturing Company.

Preferred Utilities is active in the Danbury community, routinely offering internships to high school and college students in the area, and working with organizations like Danbury Hospital, St. Jude Children’s Cancer Hospital, New Pond Farm, and Danbury Music Center, according to the release.

 

Monday, August 12, 2019

Read the original story here.

WASHINGTON – U.S. Senator Chris Murphy (D-Conn.) announced on Monday that Preferred Utilities Manufacturing Corporation in Danbury is this week’s “Murphy’s Monday Manufacturer.” Founded in 1920, Preferred Utilities specializes in the manufacturing of burners, instruments and controls, and fuel oil handling equipment for industrial, commercial, and missions critical applications. The company does work for government and municipal buildings, hospitals, colleges and universities, data centers, pharmaceutical companies, waste management plants, and nuclear facilities. Preferred Utilities became the first company in the Northeast to convert its boilers to Bio-Residual Oil, which is produced from vegetable grease and animal fat, to power its 50,000 square foot facility in Danbury. They are also one of the first companies in Connecticut to convert its boilers to renewable fuel.

“Preferred Utilities is leading the way in combating climate change by using alternative and renewable fuels to run their business and companies around the world are noticing. They are committed to the Danbury community through partnerships with local schools and charitable organizations. I’m happy to highlight them,” said Murphy.

“Although founded in 1920, we moved to Danbury in 1946 and made it our home. Preferred is very attached and dedicated to the greater Danbury community and we employ some of the top people in our industry, born and raised in Connecticut. Because we are a family company, Preferred employs several generations of the same family, all Connecticut residents and members of the community,” said David Bohn, President and CEO of Preferred Utilities Manufacturing Company.

Preferred Utilities is committed to addressing climate change and carbon emissions with new, carbon neutral innovations and development of existing alternate fuels in partnership with other companies. They are contributing to sustainable alternative solutions to fossil fuels with low carbon emissions and high energy efficiency. They are active in the Danbury community, routinely offering internships to high school and college students in the area, and working with organizations like Danbury Hospital, St. Jude Children’s Cancer Hospital, New Pond Farm, and Danbury Music Center. Preferred Utilities is headquartered in Danbury with facilities around the United States employing 90 people.

The manufacturing industry plays a crucial role throughout Connecticut communities, creating new jobs and accelerating the state’s economic recovery. Today, Connecticut’s thousands of manufacturers account for 10% of the state’s jobs and 87% of the state’s total exports. In order to protect and grow manufacturing jobs in Connecticut, Murphy has introduced two pieces of legislation that aim to strengthen existing standards and prioritize the purchase of American-made goods, theBuyAmerican.gov Act and the American Jobs Matter Act.

 

Made in the U.S.A., one of two new API-Ranger burners and BurnerMate Universal controls upgrade for existing boilers on factory fire test chamber. This burner and controls package is capable of burning three (3) fuels like ENSYN Renewable Fuel oil, an 85% carbon neutral fuel, along with natural gas and #2 oil. On fire test the Ranger API easily achieved <9 PPM NOx on natural gas.

This innovative and Low-Cost combustion solution is designed to meet sustainability goals, emission reduction requirements, and efficiency improvements for Colleges, Universities, Hospitals, Office Campuses, Apartment Complexes, Manufacturing Facilities and more.

For your Aggressive Sustainability Goals, choose a Preferred burner/controls upgrade to achieve emission / carbon reduction milestones while increasing combustion turn down, efficiency, and reducing electric consumption.

Features: 10:1 turn down on NG, 8:1 turn down on oil, <2.5% O2, 50-100% firing rate, <3.5% O2, 10-40% firing rate. <9 PMM NOx with <26% FGR.

Now that is a lot to be Joyful about!

 
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Given today’s skilled workforce shortage, figuring out how to get the most productivity from the fewest workers has become one of a power sector’s top challenges. How can a plant stay on top of its output requirements when finding and retaining qualified workers is so difficult?

With spare man-hours being a luxury few can afford, two questions are at the top of most plant managers’ minds:

1. How can we avoid downtime?

2. Are we maximizing our workers’ time and capability?

Following are stories of two facilities that found the expertise they needed to address those issues with innovative, “outside-the-box” solutions.

Keeping downtime at bay

Downtime has always been a costly and inconvenient burden, and finding the resources to make up for time lost to equipment failure can be nearly impossible. A well-known North American tissue manufacturer found itself with old boiler equipment that was not up to the job and needed to be replaced—but they had to find a solution that wouldn’t cause downtime, which they simply could not afford.

Their old equipment did not reach full heating capacity as required. The boiler was rated for a certain steam output, but the burner couldn’t provide enough heat to make that steam. They had a second boiler, but switching required a start-and-stop process that added up to higher operating costs. Every stop meant purging the boiler with air and adding additional wear-and-tear on the system. The process also meant lost energy and additional man-hours. It was not a sustainable solution.

They needed a more reliable source of heat, along with ability to meet NOx emission requirements with better fuel efficiency and a safer system. If they didn’t get the NOx emissions into compliance, they risked hefty fines from their home state. So what would work?

A combination of a new burner, new fuel piping train, and a new variable frequency drive (vfd) was proposed to address the heating efficiency problem. This combination saved costs by reusing the existing controls (which had just been put in place a few years earlier). They included Preferred Utilities BurnerMate Universal (BMU) parallel positioning controls, a built-in flame safe guard, and a touch-screen user interface.

The company proposing this solution had been servicing the manufacturer for years, so they had the knowledge to not only source the right equipment but also coordinate the entire project. They provided a highly qualified subcontractor who provided a complete turnkey solution, removing the old boiler and completely replacing it, attaching the new burner and gas lines and wiring the controls. They took just 11 days to install all the equipment and get it fully functional. It met NOx emissions standards and achieved higher efficiency and turn-down. The entire project, from initial analysis to completion, took less than eight weeks.

Working with the right consultants in a case like this is particularly important because they must be experienced with a full range of boiler equipment so they can always utilize the one best suited for the application. Without the right expertise they might recommend ill-suited equipment that will be detrimental to plant staff who will need to deal with the repercussions and possible failure in the future. That’s more risked downtime—something that was simply not an option in this application.

The burner installed in this application burned natural gas, achieved a 10-1 turn-down, and reached 30ppm NOx (the previous level was 50ppm). Additionally, the installation included a 40,000 pounds-per-hour steam boiler and a Cleaver Brooks water tube boiler.

Keeping boilers under control

A mammoth steel processing plant was far behind in a boiler upgrade project. They turned to an outside consultant to help them pinpoint the problems in the application and get the project back on track.

This was the largest project of its kind in the United States at the time. The engineer had to guarantee less than 25.65 PPM NOx and less than 48.60 PPM CO. The project also required 85 dBA noise level at three feet. All of these stringent requirements ended up being met.

An added challenged faced by the consultant concerned the type of controls to be implemented in the application. The management of this facility had traditionally been against Human Machine Interface/Operator Interface Terminals (HMI/OIT) and had not allowed them. Given their experience with these types of controls, the consultant’s challenge was to convince the customer that offering an OIT is an advantage.

In the end, this solution was accepted because the consultant offered a BMU. The LCD screen is standard on the BMU and is a back-up that will provide them with the boiler-burner operation should the OIT fail. To assist in the rollout of these new controls, the consultant also offered a two-day on-site training session.

The consultant matched the proper controls to the boilers and fast-tracked the resulting installation. A four-week submittal, proposed to the consulting engineers, got approval for both boilers and burners to proceed with manufacturing and meet the schedule.

The final application included three X-Plus burners on three B&W 60,000 PPH boilers with BMU controls. The control system and VFD was located on a high ambient temperature environment of 139°F and in corrosive atmosphere. All controls, hardware, and VFD were rated for 122°F. NEMA 4X requirement encloses the heat from the temperature rise and will exceed all temperature rating of the electrical components. In order to meet the reliability requirements, the consultant provided a NEMA 4X enclosure with NEMA 4 rated air conditioning system.

In both these applications, timing was critical. They could not allow the boiler system to fail, but they also could not afford a lengthy downtime for upgrades. Overcoming a pre-conceived mindset and looking for creative solutions allowed the facilities to resolve their problems and stay productive. In the end, an outside perspective gave them access to both the knowledge and technology they needed to conserve workforce time and talent.

About the author: David Bohn is President and CEO at Preferred Utilities Manufacturing Corporation, an engineering-based manufacturer of products for commercial, institutional, industrial and nuclear power facilities.

 

Our SECOND burner and controls retrofit for Bates College on one of their existing 700 HP Cleaver-Brooks™ boilers so they can burn ENSYN Renewable Fuel Oil (100% renewable fuel source derived from trees) as their primary heating source! With our help, Bates is on the verge of reaching their 2020 emissions and carbon reduction milestones while increasing combustion efficiency and reducing electric consumption.

Read the full story here.

 

 

The EPA made changes to the 1988 Underground Storage Tank (UST) regulations back in 2015, but the changes have not gone into effect until a date soon approaching, October 13, 2018. According to the EPA, the changes to the UST regulations are because of new technology proven to be reliable and accurate and the wide variety of new fuels on the market.

There are four main reasons for the EPA’s changes to the UST regulations: 

·       Operating and maintaining UST equipment properly

·       Prevent and detect UST spills and Releases

·       Protect against groundwater pollution

·       Even standard for all UST


Below are some of the following new changes to the EPA regulations that must be completed by October 13, 2018.

1.       Secondary Containment, Interstitial Leak Detection, Dispenser Containment1

When installing or replacing UST and piping owners must install secondary containment. Along with secondary containment, the owner must place interstitial monitoring as spill monitoring in these new tanks and pipes. Every new UST must have an Under-Dispenser Containment (UDC) installed.

2.       New Minimum Training Requirements2

Each operator working with a UST must be trained on the equipment by the manufacturer. Class A and B operators must receive training before October 13, 2018, or within 30 days of returning to work responsibilities. Class C workers must be trained before October 13, 2018.

3.       Walk Through Checks and Tests of Equipment3

Every 30 days the following equipment must be checked and tested: spill prevention equipment, release detection equipment, containment sump testing, and release detection system.

4.       Updated Criteria for Storing New Fuels4

New regulations for UST storing new emerging fuels.

5.       Past Deferrals for equipment were Removed5 6

The old deferral system for emergency generator tanks, field constructed tanks (FCT), airport hydrant systems (AHS) and wastewater treatment tank systems has changed due to new technology giving operators the ability to correctly and securely monitor these tanks.

6.       Updated Codes of Practice7 

New and updated codes of practice.

7.       State Program Approval (SPA)8

The EPA now requires that your state follow the new updated changes made to the UST regulations, even if you are in Indian country.

For a comprehensive list of changes made by the EPA go to: https://www.epa.gov/ust/revising-underground-storage-tank-regulations-revisions-existing-requirements-and-new#compliance

For a more detailed breakdown of each change go to: https://www.epa.gov/sites/production/files/2015-07/documents/regs2015-crosswalk.pdf

These kind of changes blindside many facilities. Preferred Utilities can help. We provide expertise along with a wide variety of valves, leak detection probes, and tank monitoring systems that help facilities keep up to date with the new regulation compliance. Preferred Utilities’ full staff of knowledgeable engineers work to keep the best products available, so your facility stays safe, secure and compliant. 

For the full line of services and products Preferred Utilities Manufacturing Corporation offers please click on the link below or call 203-743-6741.

Preferred Utilities Manufacturing Corporation

 

 

References and Links

1. https://www.epa.gov/ust/secondary-containment-and-under-dispenser-containment-2015-requirements

2. https://www.epa.gov/ust/operator-training-minimum-training-requirements-and-training-options

3. https://www.epa.gov/ust/operating-and-maintaining-ust-systems-2015-requirements

4. https://www.epa.gov/ust/emerging-fuels-and-underground-storage-tanks-usts

5. https://www.epa.gov/ust/emergency-power-generator-ust-systems-2015-requirement-release-detection

6. https://www.epa.gov/ust/field-constructed-tanks-and-airport-hydrant-systems-2015-requirements

7. https://www.epa.gov/ust/underground-storage-tanks-usts-laws-and-regulations#code

8. https://www.epa.gov/ust/state-underground-storage-tank-ust-programs#which

 

 

Team members from our Danbury, New York, and Boston offices along with associates of Preferred Utilities got together on August 9th for the 7th Robert G. Bohn Memorial Invitational golf tournament. This tournament is hosted by David Bohn and Preferred annually to celebrate the life and successes of Mr. Bohn’s father, the late Robert G. Bohn.

 

A U.S. Naval Air Corps pilot, Robert G. Bohn graduated from Greenbriar Military Academy and Dartmouth College and joined the family business after WWII in 1947. President and CEO of Preferred from 1963 to 1995; he continued as CEO and Chairman of the Board until 2011.

Robert Bohn’s accomplishments at Preferred include acquiring three companies: the instruments division of General Controls, W.N. Best, and Rimcor. These companies provided Preferred’s instruments, controls, and combustion lines of equipment. He was also the creator of Preferred Engineering with a group of local engineers.

One of our favorite traditions here at Preferred is remembering Robert G. Bohn with a sport he loved, and honoring his memory as a gentleman, leader, colleague, and friend.

 

Pictured: one of two Preferred Special Combustion burners and control cabinets to be installed at an American steel manufacturer in Ohio, and utilized on twin super heaters used in the steel manufacturing process.

The burners, atmospheric element style heaters, use stoichiometric combustion to produce heat input for the super heater. The Preferred UV Self-Checking Quanta-Flame Scanner monitors the flame.

The control cabinets are PCC-IV based, multi-loop controllers combined with the Preferred M-85 Flame Safeguard Controller and Preferred Quanta-Max, a state-of-the-art microcomputer-based burner management system (BMS).

These components work in tandem with the scanner and other safety products on the burner and fuel train to produce safe, stable, and efficient combustion process.

Learn more about Preferred Special Combustion Equipment (PSCE)

 

A high efficiency and very “green” 50 KPPH Packaged Burner System about to ship out to one of the world’s largest privately held companies. 

Preferred Special Combustion Engineering (PSCE) provides a complete package combustion system for new or OEM watertube boiler projects. A complete packaged burner system (including controls) all from one source will optimizes burner to boiler special interface, allows for maximum pre-wiring of the system devices, provides a more complete checkout process, and minimizes field errors and commission time.

These often overlooked factors add up to real dollars saved.

For more information or to discuss your application, contact Brian Sy at (203) 297-4800 or by email at bsy@preferred-mfg.com