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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0364937 (1989-06-12) |
우선권정보 | SE-0005365 (1986-12-12) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 4 |
The scrap that is to be charged into an electric arc furnace is preheated by a gas in a closed circuit and this gas is heated in a heat exchanger by the exhaust fumes from the furnace. A minor part of the circulating gas is continuously led off to a burner in which it is burnt with a gas as fuel at
A method of heating material, which is to be charged into a furnace, with heating apparatus which heating apparatus includes a first conduit which receives exhaust fluid from the furnace, a second conduit in fluid communication with the first conduit for circulating a second fluid adjacent the mater
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