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Nationwide Boiler news and events, industry updates, technical information, and more. You hear it first on The Nationwide Boiler Blog!

Feedwater Treatment - Why It's Important

Proper treatment of feedwater is the most important task in operating any boiler. The feedwater is made from a mixture of fresh water and recovered condensed water—or return water—which is purified in a multitude of degrees. When steam is released from a boiler, the minerals and gases contained in the heated water become concentrated and form deposits that become hazardous to the boiler and its connected components. These deposits result in poor heat transfer, reduced efficiency, scale, and biological fouling. Scale that collects and forms inside the boiler has lower ability to transfer heat than steel and will raise the metal tube temperatures, creating blisters and overheating failures. As the gases dissolve, oxygen, carbon dioxide, and ammonia will react with the metals in the boiler system and lead to corrosion.

To protect your boiler from these harmful contaminants, it is vital that proper chemicals, water analysis and blowdown procedures are correctly followed at all times. Contact a local reputable boiler chemical specialist, such as Garratt Callahan Company, for more information on these procedures and requirements.

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Damage to boiler tubes due to improper feedwater treatment

 

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Being Prepared is Key: Emergency Planning

The best time to plan for installing a temporary steam plant is before the need actually arises. Being prepared is key not only for emergency outages, but also for planned maintenance, increased capacity demand, and other factors that my call for rental equipment. 

Nationwide Boiler's Emergency Preparedness Plan was created to provide users with guidance through the contingency planning process. Inside you will learn the different types and sizes of boilers available, average boiler weights, fuel and power requirements, and more. 

Download your copy today and get to planning!

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Plant Safety Measures & Lockout/Tagout Procedures

The importance of implementing plant safety measures is undeniable, especially when exposed to heat processing equipment. Accidents and injuries in industrial plants are common but can be easily avoided if the right precautions are taken.

According to the U.S. Occupational Safety and Health Administration (OSHA), injuries caused by hazardous energy account for 10 percent of accidents in many industries. Hazardous energy is found in electrical, mechanical, hydraulic, pneumatic, chemical, thermal or other sources in machines and equipment. OSHA’s “lockout/tagout” (LOTO) procedures provide guidelines for controlling this hazardous energy when servicing or maintaining equipment.

LOTO requires that prior to any routine maintenance or service on equipment, an authorized employee must follow certain procedures to ensure safety. After the equipment is turned off and disconnected from its energy source, to prevent the release of hazardous energy a lockout or tagout device must be applied to the energy-isolating device and it must be verified that the energy has been isolated effectively.

If the correct safety measures are not taken, the release of this stored energy could cause serious injury. It is highly recommended that employers create a procedure for employees to follow when dealing with potentially hazardous energy.

For more information on LOTO, procedure requirements and sample procedures, visit OSHA’s Control of Hazardous Energy webpage.

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Proper Boiler Water Treatment is Key

Boiler operators know that one of the most critical aspects of operating a boiler is well balanced water chemistry.  To ensure a well balance mix involves continually monitoring makeup water, condensate, feedwater and boiler water qualities.  

ABB Inc’s Jon Penn recently published an article in Power Engineering that lists four major contaminants that jeopardize power plant operation and maintenance:  dissolved oxygen, hydrazine, sodium and silica.  As mentioned in the article, “The absence of adequate monitoring and control will almost certainly lead to both increased costs and more frequent component failures. Evidence shows that allowing boiler chemistry to vary from specified limits can result in expensive plant outages, potentially incurring costs of more than $1 million per day.”

This is an important subject for all boiler owners and proper water treatment will increase the life of your equipment.  You can read the entire article at: http://www.power-eng.com/articles/print/volume-118/issue-2/abma-special-section/four-boiler-contaminants-that-jeopardize-power-plant-operation-and-maintenance.html

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