open hearth furnace उदाहरण वाक्य

उदाहरण वाक्य

1. Becker dropped out of high school during his freshman year in 1944 and got a job working an open hearth furnace in the Granite City mill.
2. In 1910 a third plant was opened which included an open hearth furnace, a steel plate mill and other equipment for the working of steel.
3. While arguably the first primitive open hearth furnace was the bloomeries ( including the Catalan forge ), finery forges, and puddling furnaces from its application.
4. Various processes have been used for this, including finery forges, puddling furnaces, Bessemer converters, open hearth furnaces, basic oxygen furnaces, and electric arc furnaces.
5. Most open hearth furnaces were closed by the early 1990s, not least because of their slow operation, being replaced by the basic oxygen furnace or electric arc furnace.
6. Scrap steel loaded by overhead cranes using electromagnetic grabs fed the Siemens Martin Open hearth furnaces via charging machines tipping  coffin-like loading containers directly into the furnaces.
7. During the decade after c . 1957 onwards the Appleby-Frodingham works pioneered the use of a variation of the open hearth furnace utilising oxygen named the AJAX furnace.
8. In 1913, another open hearth furnace and certain auxiliary equipment were added, which raised the annual capacity of the company to 180, 000 tons of open hearth ingots.
9. Steel manufacture ended at the site in 1978; the site had manufactured steel with an open hearth furnace, the type of melting shops that British Steel wanted to discontinue.
10. In May 2007, Kerr-McGee Corp spent $ 18 million on pollution controls in the first comprehensive Clean Air Act when it installed a new open hearth furnace in 1993.