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Success Story

Condensate Pumps At Molson’s Present Energy Savings

Mechanical Pressure Powered Condensate Pumps Provide Energy Savings at Canada’s Oldest Brewery Company.

Molson’s, Canada’s oldest brewery, since 1786, and North America’s oldest beer brand has brewing methods rooted in a tradition of quality. The Molson’s Vancouver British Columbia plant has received many inter-company awards for the efficiency of their plant operations. When a project was identified to reduce the flash steam losses from the brewing kettles, Scott Gordon, Molson’s Chief Engineer contacted Andrew Reynolds. Eliminate flash steam losses without affecting the brewing process.

The original design employed float and thermostatic steam traps that returned condensate via an overhead return line to a vented condensate transfer tank. This produced flash steam losses. Between brews and during certain recipe runs, jackets of the brew kettles would be flooded with condensate affecting heat transfer.

The solution was condensate pump packages for each kettle. By closing the condensate return system, flash steam losses were eliminated. The kettle condensate is now transferred directly to the dome of the DA tank. The design also insured that all condensate is removed immediately from the brew kettles under all process conditions.

The results are the pressure-powered pumps are saving Molson’s money by reducing flash steam losses. An added benefit is increased output from the kettles. By reducing brew times, more output from the same kettles are being realized.

Scott Gordon reports, “The numbers are still coming in. We have achieved energy savings by eliminating flash steam losses. Our brew kettles are operating more efficiently. It has been a very successful project.”

 

Did You Know?
Return Condensate to the Boiler

An attractive method of improving your power plant’s energy efficiency is to increase the condensate return to the boiler. Returning hot condensate to the boiler makes sense for several reasons. As more condensate is returned, less make-up water is required, saving fuel, makeup water, and chemicals and treatment costs. The energy in the condensate can be more than 10% and up to 25% of the total steam energy content of a typical system.

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Andrew worked with me on a turnkey hot water tank replacement managing the contractor in the demolition and installation of a new instantaneous hot water heater. The project proceeded smoothly and the system worked as promised. It has been in operation for a number of years now with no complaints. Andrew has the products and knowledge I know I can trust.