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The final phase has begun of Nationwide Boiler's comprehensive pre-delivery testing procedure of the five (5) 650 hp mobile boiler rooms recently sold to a Department of Energy (DOE) facility. After the testing phase is complete, we will begin preparation for the shipment of these boilers to the customer. 

Check out some of the photos taken during the test fire at our shop in Fremont, CA!

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Power Engineering Magazine featured an article in their February 2015 edition entitled “Best Boiler Cleaning Practices”. The article outlined a variety of ways that boiler owners and operators can clean their equipment in order to increase efficiency and even reduce emissions.

Slag deposits, or built up ash that acts as insulation on boiler tubes and protects the tubes from heat, will form on a boiler over time if proper cleaning is not performed. When a boiler is filled with slag, it will require more fuel to reach the same temperature and produce the same output as a clean boiler. A clean boiler will perform 1 to 4 percent more efficiently than a boiler with slag deposits, and because less fuel is required for the same amount of power, it will also produce lower emissions.

Boiler owners and operators can choose from the following methods to perform cleaning on their boilers:

  • Acoustic cleaning; utilizing acoustic energy to knock ash off of boiler tubes without risking damage to the tubes
  • Water lances; high pressure water jets or hydroblasting boiler tubes to remove the slag deposits
  • Soot blowers; a component installed with the boiler that uses compressed air, steam or water to keep slag buildup from occurring without having to shut down the boiler
  • Explosives; quick and convenient way to remove slag without the use of water

Some of these methods can be done while the boiler is running, and others will require the boiler to be taken offline. If offline cleaning is performed, a planned outage will take place and a boiler rental will likely be required to keep plant operations running. Nationwide Boiler can supply rental boilers in a number of sizes and types, from 47.5 hp firetube mobile boiler rooms to the world’s largest 120,000 lb/hr watertube trailer-mounted boiler.

Contact Nationwide Boiler at 1-800-227-1966 for more information, and check out Power Engineering’s full article for more details on these boiler cleaning practices.

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This week Nationwide Boiler has been conducting phase 1 of 2 of a pre-delivery testing procedure for the recent sale of five (5) 650 hp mobile boiler rooms. With this process, Nationwide intends to demonstrate the operational performance of these boilers to the customer, as well as begin familiarizing the customer with the equipment.

The test-fire includes live firing on natural gas at the rated design input of each mobile boiler room, and an oil fire for units equipped with back-up fuel. All safety devices are being tested at their set-points, and emissions are being recorded to ensure they meet local NOx and CO requirements.

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