A method for inoculating molten iron. The method comprises passing the molten iron through a filter assembly at an approach velocity of about 1 to about 60 cm/sec. The filter assembly comprises a filter element and an inoculation pellet in contact with the filter element. The pellet has an inoculant dissolution rate of at least 1 mg/sec. to no more than 320 mg/sec. and comprises about 40-99. 9%, by weight, carrier comprising ferrosilicon. The pellet further comprises about 0. 1-60%, by weight, at least one inoculating agent selected from a group consisting of cerium, strontium, zirconium, calcium, manganese, barium, bismuth, magnesium, titanium and aluminum or from rare earths.
Inoculant-Strainer With Improved Filtration Effectiveness And Inoculant Dissolution
Leonard S. Aubrey - Arden NC, US Donald B. Craig - Fletcher NC, US Steven H. Martin - Hendersonville NC, US
Assignee:
Porvair PLC - Norfolk
International Classification:
C21C007/00
US Classification:
266229, 266216, 75316
Abstract:
A strainer for molten metal. The strainer comprises a well and a multiplicity of passages. Each passage comprises a first cavity a second cavity with a smaller equivalent diameter than the first cavity. A neck is between the first cavity and second cavity. An inoculation pellet is received in the well.
Novel Filtration System For Large Cast Iron Castings
Donald B. Craig - Fletcher NC, US Steven H. Martin - Hendersonville NC, US Rudolph A. Olson - Hendersonville NC, US Robert Simpson - Sycamore IL, US Eldon Rohlena - Dekalb IL, US
International Classification:
B01D 25/00 B01D 29/50
US Classification:
266227
Abstract:
An improved filter assembly for molten metal is described. The assembly has a canister with at least one port wherein the port allows filtered molten metal to flow from the canister. A plurality of filter elements is in the canister wherein the filter elements separate a volume of the canister into a primary chamber and a secondary chamber wherein the secondary chamber is in direct flow communication with the port. A ported cover is over the canister wherein the ported cover prohibits unfiltered molten metal from flowing directly into the secondary chamber. The molten metal flows from the primary chamber to the secondary chamber through a filter element.
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Donald Craig Principal
Paradise Hills Elementary Schl Elementary and Secondary Schools
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Donald Craig Hematology/oncology
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University of Wisconsin System Noncommercial Research Organization College/University · Eating Place College/University · Ret Books College/University · Elementary/Secondary School · College/University · Ret Sporting Goods/Bicycles College/University · School of Architecture & Urban Planning · Medical Doctor's Office College/University
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College of Southern Idaho 2012 - 2014
University of South Florida 1999 - 2004
Bachelors, Business Administration, Management, Business Administration and Management
St. Petersburg College 1994 - 1999
Associates, Business Administration, Management, Business Administration and Management
Saint Petersburg Junior College 1994 - 1998
Associates, Associate of Arts, Management, History
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Hello, well a little about me so you know i am me, hmmmm well if i have invited you I must know you, or you know me, dam, Sorry I am not great with these thing, but here goes. My name is Donald, or D...
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