Treatment method of molten iron pretreatment slag

• Main Authors: LUO SHENG, GAO MAOGEN, FAN SHENGPING, YAN WENMING, MA DA, LEI WEI
• Format: Patent
• Language: Chinese; English
• Published: 03.04.2013
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The invention relates to a treatment method of molten iron pretreatment slag. The method comprises the steps that: I, molten iron pretreatment slag is delivered to a slag field; II, the molten iron pretreatment slag is poured into a storage field; molten iron pretreatment slag with a size larger than 500mm is crushed; the molten iron pretreatment slag is stored in a material storage chamber; and dust suppression is carried out by using water spray. III, wetted molten iron pretreatment slag is delivered into a pit; molten iron pretreatment slag with a size larger than 200mm is sorted out by using a steel grate; iron-containing slag therein is sorted by using a magnetic plate crane, and is delivered to a scrap steel yard; IV, molten iron pretreatment slag with a size no larger than 200mm is delivered into a treatment line; slag iron is sorted by an iron separator and by drum magnetic separation; and tail slag is stored; and V, particle size grading is carried out upon sorted slag iron with a size no larger than