Title: Protective heating method used for circulating purification outside industrial electric furnace
Application Number: 86104946 Application Date: 1986.08.04
Publication Number: 1011120 Publication Date: 1987.05.20
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C21D1/76,F27D7/06
Applicant(s) Name: Labour Service Co., Qianjiang Machinery Plant Address:
Inventor(s) Name: Jiang Xuyi
Attorney & Agent: LIU JIANMIN
Abstract:
     This invention provide a protective gheating method of outside circulating purification for industrial electric-furnace. By this method,the gases within the electric furnace are exhausted to outside, then treated for purification and deoxidization outside, finally fed back to the furnace. After several circulation, the gases inside the furnade can be purified with the residual oxigen content below 10 ppm. Said method is particularly suitable for protection of furnace for less metal heated with out oxidization.
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