Specialty Minerals wins oldest operating Raymond roller mill contest

May 19, 2004

Raymond roller mills were developed in the late 1800s, and since then more than 2,000 mills have been supplied with the product. Because the mills have proved to be rugged and dependable, a service life in excess of 50 years is not uncommon, despite the harsh working environment in which they are used.

Recently, Raymond operations held a contest to find the oldest operating Raymond roller mill. Specialty Minerals Inc., Adams. Mass., is the contest winner, and will receive a $5,000 credit toward parts and/or service.

Stephen B. Denton, vice president of Raymond Operations, announced that the winning roller mill is a 1918, 50-in. Raymond roller mill that was shipped on May 13, 1918, to New England Lime Co. in West Stockbridge, Mass.

The Adams site has been in continuous operation as a lime and limestone producer since 1848. In 1910, 10 Connecticut and western Massachusetts lime plants merged to form the New England Lime Co. Pfizer bought the Adams site in 1961 to ensure its supply of high-grade lime for making citric acid. In 1992, Pfizer combined the specialty minerals business and its Quigly business into a newly formed company, Minerals Technologies Inc. Specialty Minerals Inc., including the Adams site, is a wholly owned subsidiary of Minerals Technologies Inc. .

In 1973, Specialty Minerals Inc. also upgraded the controls unit, with vent and modern controls (Model 50 differential pressure controller) installed. The major mill drive components were rebuilt in December 2003.

Two honorable mentions in The Oldest Operating Raymond Mill contest are C/G Electrodes in St. Marys, Pa., which has a 42-in. Raymond roller mill that was originally installed in 1922. MI Drilling from Zavalla, Texas, also operates a 50-in. Raymond roller mill dating back to 1935.