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Boilers | Why return condensate to the - Plant Services

One of highest return on investments is to return condensate to the boiler. As fuel costs continue to rise, its imperative to focus on recovering condensate in every industrial steam operation. Condensate contains not only water, but also boiler treatment chemicals and the energy transferred during combustion.

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Condensate piping for Condensing Boilers & Furnaces

Plumbing & heating codes & suggestions for disposal of condensate produced by high efficiency gas-fueled condensing boilers & furnaces. This article series discusses the installation, operation & maintenance as well as defect inspections for high efficiency oil and gas fired heating boilers & furnaces, condensing boilers, and similar energy

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Condensate Return | CleanBoiler.org

Condensate Return. Introduction. Condensate (water or condensed steam) reduces the quality of the steam but is too high value to discard. Condensate can contain up to 20% of the energy required to make the steam in the boiler. Maximize the amount of condensate that is returned to the boiler to save both energy and water treatment chemicals.

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BOILER WATER TREATMENT AND CONDENSATE RETURN LINE PROTECTION

Carbon dioxide is an acid and it dissolves in the condensate as it is formed. This lowers the pH of the condensate to a point where actual acid attack of the pipe occurs. The neutralizing amines simply neutralize this acid. If soda ash is used for boiler water treatment it too breaks down in the boiler to form caustic soda and carbon dioxide.

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Economizers | CleanBoiler.org

Stack Economizers should be considered as an efficiency measure when large amounts of make-up water are used (ie: not all condensate is returned to the boiler or large amounts of live steam are used in the process so there is no condensate to return) or there is a simultaneous need for large quantities of hot water for some other use.

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Condensate Return Pumps and Boiler Feed Units | Boiler Supplies

Consisting of one or more feed & condensate return pumps and any type of Receiver tank needed form Carbon & Stainless Steel receiver tanks. The system automatically supplements condensate with makeup water to replace system losses. In the Boiler Feed Cold water is heated by mixing with hot condensate return and pumped to the boiler on demand.

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Operation, Maintenance and Installation Manual Condensate and

heating units and return lines must be equipped with properly selected Armstrong traps in good working order . With improper or malfunctioning steam traps, steam or water above 190°F may return to the condensate pump . For best operation, condensate should be 160°F or less . Although Armstrong pumps can operate at higher

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Steam Heat Condensate Piping, Pumps, Return Lines

Condensate return pumps are also needed even when the steam boiler is in the same building, if condensate collection and piping are at locations too low to drain by gravity back to the steam boiler. Watch out : where a separate condensate receiver is used, a feed pump to move condensate back to the boiler must be energized by a boiler-mounted condensate return pump controller.

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How to size a condensate return unit - Xylem Applied Water

Most pumped condensate return units operate from a vented tank. Remember, steam heating applications using thermostatic traps drain condensate around 160 to 180 degrees. At 180 degrees, a condensate pump mounted to a collection tank at the same level as the pump will have about 15 feet of NPSHA in the water.

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Plant Engineering | Best Practices for Condensate System Piping

The best method for improving steam system energy efficiency, reducing chemical costs, and reducing make-up water costs is to return the maximum quantity of condensate to the boiler plant. There are several factors that impact the reliability, performance, longevity, and maintenance requirements for

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