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Development of refined steel production furnace

Ear steel process, in addition to understanding shake the necessary supporting technology to improve the precision,air jordans, the major problem encountered 4S's small-minded than the price. In order to reduce the cost of refined steel,ugg stivali, head outside forces is also developing non-re-baked dog purification steel, such as vacuum degassing, ladle refining argon blowing, dusting off S, hot metal pretreatment process. Figure 8 for the U.S. EF-VD, EFLF. VD, VAR three compare the relative costs of refined steel. ... Circle shown in EF. LF. VD (EAF ~ jealous of a vacuum ladle degassing) clean refined steel to meet the AMS2300 (Standard) requirements, the fins on the cost and EF-~ D (a vacuum degassing furnace) is close, Lai cost than VAR (vacuum a heavy atmosphere remelting) low for nearly two fifths. EF'VD although low cost,stivali ugg, but (sometimes) does not meet the requirements of AMS. Therefore, the development of two Su-furnace refining technology required to produce quality and cheap character sets fine steel, which is no doubt of great significance of the development of mechanical industry, metallurgical industry and mechanical industry therefore need to further cooperation for the development of (furnace) expand the application of fine steel and work together. AISI type of Xinjiang meal pennant different refining processes in Figure 8 the relative cost of production and purification of copper than the reference 【1] family group \2] State is also scheduled special steel punish men by the steel shaft * Vol, 34No. 11i985113] days, Nim din Western New Mexico women's plus 0 Xinjiang fine cicada good at surgery to have that hanging high Kobe Steel reported Vo1.6No. i1986, 1461989 ~ 5 期 ___ - l___ one - a ___ one hundred and eleven ... a ~ ... - ... ---- one thousand one hundred eleven 8 Vo1.10. o. 619,876 Ministry of Metallurgy and long-term technology development program demonstration held in December 1988 I will be a 4, the Ministry of Metallurgy demonstrated long-term technology development program will be held in Shanghai Baoshan Iron and Steel Guest House, attended the meeting were steel companies across the country too, Design and Research Institute colleges and universities, as 34 of 62 units of metallurgical experts, Vice Minister of Ministry of Metallurgical dawn, Tao Jin, deputy director of Baoshan Iron and Steel Plant Caochang Xiang,ugg italia, deputy director attended the meeting. Thirteen is too made by the party, the National People's Congress and commissioned by the State Council, the preparation of the national long-term technology development program, in particular under the leadership of the State Science and Technology Commission, the power of the ministries and organizations, which took six months to write a first draft. \It is divided into six parts - General Report, the principal iron and steel industry processes and new materials, energy resources, metallurgy automation, basic theory. All the parts clearly identified specific technology development side flat, for example, made a general report part of the overall steel industry development objectives are: to continuously improve product quality, economic efficiency and energy saving, under the premise to be a year before the year 2000 } yield more than 2.5 million tons of steel to the end of the century steel production reached 9,000 tons. In the structure of steel products have changed to, steel self-sufficiency rate to 85%, and steel products of international standard rate of more than 6O%, the energy, transport raw materials, light industry and machinery manufacturing industry's need for key species about 100 kinds of basic based on the domestic. Iron and steel industry of the main part of the process and proposed the development of new materials, the variety and quality policy is t technological development as a strategic focus, the technology Pina from extensive to intensive transformation,ugg prezzo, and gradually concentrate refining, finishing, finishing, this must be According to \management methods, to achieve full process, the whole process, industry-wide energy consumption. participants draft outline of the long-term scientific and technological development made many valuable comments. Liming Jin Tao, deputy ministers and deputy director of an important speech. Tangyong Ning for e \. A pair of smoked

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