JPS57174424A - Treatment method of dust of metal smelting furnace constituted so as to preheat charging material of smelting metal - Google Patents

Treatment method of dust of metal smelting furnace constituted so as to preheat charging material of smelting metal

Info

Publication number
JPS57174424A
JPS57174424A JP5829781A JP5829781A JPS57174424A JP S57174424 A JPS57174424 A JP S57174424A JP 5829781 A JP5829781 A JP 5829781A JP 5829781 A JP5829781 A JP 5829781A JP S57174424 A JPS57174424 A JP S57174424A
Authority
JP
Japan
Prior art keywords
dust
metal
smelting furnace
gas
furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5829781A
Other languages
Japanese (ja)
Inventor
Tamiya Kishida
Masayasu Miyagawa
Yutaka Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP5829781A priority Critical patent/JPS57174424A/en
Publication of JPS57174424A publication Critical patent/JPS57174424A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

PURPOSE: To collect a metallic element in dust by saving resources and with high efficiency percentage, by granulating the dust of a metal smelting furnace, reducing and fusing it by produced gas of a shaft smelting furnace, separating it from slag, and separately utilizing the latent heat of high temperature gas of the smelting furnace.
CONSTITUTION: Dust produced from a metal smelting furnace is granulated to pellets. Dust pellets and coke are charged into a shaft smelting furnace 1, the coke is burnt by blowing in hot blast from a tuyere 3, and high temperature reduction gas is produced. The pellets are reduced and converted to an alloy in the course of going down in the furnace 1, is separated from slag in a separating chamber 2, and is collected from a pouring gate 21. On the other hand, high temperature gas going up in the furnace 1 is led into one of metal preheating vessels 5, 6, is burnt by air in the vessels 5, 6, becomes a higher temperature, and preheats a material. Radiated gas is discharged into the atmosphere through a heat exchanger 7 and a dust collector 8, and an accelerator which has passed through a blower 10 and the heat exchanger 7, for instance, hot blast is sent to the tuyere 3.
COPYRIGHT: (C)1982,JPO&Japio
JP5829781A 1981-04-17 1981-04-17 Treatment method of dust of metal smelting furnace constituted so as to preheat charging material of smelting metal Pending JPS57174424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5829781A JPS57174424A (en) 1981-04-17 1981-04-17 Treatment method of dust of metal smelting furnace constituted so as to preheat charging material of smelting metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5829781A JPS57174424A (en) 1981-04-17 1981-04-17 Treatment method of dust of metal smelting furnace constituted so as to preheat charging material of smelting metal

Publications (1)

Publication Number Publication Date
JPS57174424A true JPS57174424A (en) 1982-10-27

Family

ID=13080279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5829781A Pending JPS57174424A (en) 1981-04-17 1981-04-17 Treatment method of dust of metal smelting furnace constituted so as to preheat charging material of smelting metal

Country Status (1)

Country Link
JP (1) JPS57174424A (en)

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