open hearth furnace वाक्य
उदाहरण वाक्य
मोबाइल
- 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.
- 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.
- While arguably the first primitive open hearth furnace was the bloomeries ( including the Catalan forge ), finery forges, and puddling furnaces from its application.
- Various processes have been used for this, including finery forges, puddling furnaces, Bessemer converters, open hearth furnaces, basic oxygen furnaces, and electric arc furnaces.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- The work environment around an open hearth furnace is said to be extremely dangerous, although that may be even more true of the environment around a basic oxygen or electric arc furnace.
- The Bessemer process and open hearth furnace steel-making were in use by 1865, but the advantages of steel rails which lasted much longer than iron rails had not yet been demonstrated.
- Modern furnaces will take a charge of iron of up to 350 tons and convert it into steel in less than 40 minutes, compared to 10 12 hours in an open hearth furnace.
- He worked at a steel mill rebuilding open hearth furnaces to support his family and ran for the Tobias Striders, Beverly Hills Striders and Pacific Coast track clubs to maintain his amateur status.
- The furnace is constructed to pull the hot air over the iron without the fuel coming into direct contact with the iron, a system generally known as a reverberatory furnace or open hearth furnace.
- Rebuilding of the plant took place through the 1920s; the primary steel production of open hearth furnaces and mills were not rebuilt, the new equipment is focussed on wagon production and metal stamping.
- This plant contained four blast furnaces, twelve open hearth furnaces, several blooming mills, two Bessemer converters, a Depression, the Brier Hill works was shut down, but it reopened in 1937.
- The opening of the third furnace in June 1890 led to a renewed decision to start producing steel; this happened in 1892 after two 12-ton Martin open hearth furnaces and two Bessemer converters were installed.
- This included basic oxygen furnace ( BOF ) technology that was already being installed at other U . S . Steel plants to replace the outdated open hearth furnace technology, but wasn't installed at the Duluth Works.
- In Hunedoara steel works, Romania the last 420-tonne capacity open hearth furnace was shut down on 12 June 1999, demolished and scrapped between 2001 and 2003, but the eight smokestacks of the furnaces remained until February 2011.
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