Brick Liners Maintenance Montana

Many structures in Montana built in the 1970s through the mid-1980s were equipped with free-standing, acid-resistant brick linings. Although some of these independent brick-lined chimneys operate dry and encounter minimal problems, many work downstream of old-generation wet FGD systems still using bypassed flue gas for reheat.

Local Companies

Asphalt Plus, Inc.
406-697-1499
4610 Country Garden Road
Billings, MT
Nielsen Masonry Inc
(406) 752-1498
538 Willow Glen Dr
Kalispell, MT
Mike Madden's Masonry
(406) 363-1403
737 Curdys Cove Loop Trlr 9
Hamilton, MT
Price Preston Masonry
(406) 449-2567
19 Dove Ln
Helena, MT
Sweeney Masonry Contractors
(406) 962-3604
51 Boyd Cooney Dam Rd
Joliet, MT
Big Sky Masonry
(406) 388-9100
251 Arden Dr
Belgrade, MT
Smith Precision Masonry Inc
(406) 388-1310
PO Box 10032
Bozeman, MT
Masonry by Muller
(406) 755-1050
PO Box 2236
Kalispell, MT
Breding Sandy A
(406) 252-4808
1020 Terry Ave
Billings, MT
Cooper Masonry
(406) 452-2635
406 19th St SW
Great Falls, MT

Provided By:

Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: April 1, 2007

By Kenny Kendall

Many structures built in the 1970s through the mid-1980s were equipped with free-standing, acid-resistant brick linings. Although some of these independent brick-lined chimneys operate dry and encounter minimal problems, many work downstream of old-generation wet FGD systems still using bypassed flue gas for reheat.

At its inception, the acid-resistant brick liner was touted as the answer to one of this type of chimney's biggest maintenance problems – liners made from carbon steel that were quickly damaged by the harsh acidic environment found downstream of the wet scrubbers.

Unfortunately, though, the new brick liners were not a panacea. After two or three decades of service, the majority of these liners have developed a lean or deflected position as a result of operating wet. Studies indicate that numerous complex factors can influence this deflection, but there is very rarely a common contributor.

Liner lean

Only two common factors were identified in all leaning liner cases: the use of bypass gas for reheat and the application of red shale brick in the liner construction. Other varied factors that can influence liner lean include the quantity and composition of moisture deposited on the liner impingement area, composition of the coal used, flue gas reheat methods, and fluctuating flue gas temperatures.

Click here to read full article from Masonry Construction

Featured Local Company

Asphalt Plus, Inc.

406-697-1499
4610 Country Garden Road
Billings, MT

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