JPS548195A - Reducing method for sulfur compounds generated by blast furnace slag treatment - Google Patents

Reducing method for sulfur compounds generated by blast furnace slag treatment

Info

Publication number
JPS548195A
JPS548195A JP7284977A JP7284977A JPS548195A JP S548195 A JPS548195 A JP S548195A JP 7284977 A JP7284977 A JP 7284977A JP 7284977 A JP7284977 A JP 7284977A JP S548195 A JPS548195 A JP S548195A
Authority
JP
Japan
Prior art keywords
blast furnace
furnace slag
sulfur compounds
slag treatment
reducing method
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
JP7284977A
Other languages
Japanese (ja)
Inventor
Norio Yasuzawa
Hideo Ito
Mitsuo 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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP7284977A priority Critical patent/JPS548195A/en
Publication of JPS548195A publication Critical patent/JPS548195A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/42—Sulphur removal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/066—Receptacle features where the slag is treated
    • C21B2400/074—Tower structures for cooling, being confined but not sealed
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

PURPOSE:To reduce the generation of harmful gases such as SO2 and H2S in the production of ballast or granulated slag from molten blast furnace slag, by desulfurizing the molten slag to lower the S content to a specified value or below in advance.
JP7284977A 1977-06-21 1977-06-21 Reducing method for sulfur compounds generated by blast furnace slag treatment Pending JPS548195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7284977A JPS548195A (en) 1977-06-21 1977-06-21 Reducing method for sulfur compounds generated by blast furnace slag treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7284977A JPS548195A (en) 1977-06-21 1977-06-21 Reducing method for sulfur compounds generated by blast furnace slag treatment

Publications (1)

Publication Number Publication Date
JPS548195A true JPS548195A (en) 1979-01-22

Family

ID=13501231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7284977A Pending JPS548195A (en) 1977-06-21 1977-06-21 Reducing method for sulfur compounds generated by blast furnace slag treatment

Country Status (1)

Country Link
JP (1) JPS548195A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101173498B1 (en) 2010-12-28 2012-08-14 재단법인 포항산업과학연구원 Apparatus for granulation and sensible heat collection of melting slag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101173498B1 (en) 2010-12-28 2012-08-14 재단법인 포항산업과학연구원 Apparatus for granulation and sensible heat collection of melting slag

Similar Documents

Publication Publication Date Title
ES453173A1 (en) Apparatus for direct reduction of sulfur-containing iron ore
JPS55110711A (en) Desulfurization of molten pig iron
ES444545A1 (en) Method of producing low sulfur steel
JPS548195A (en) Reducing method for sulfur compounds generated by blast furnace slag treatment
ES455324A1 (en) Electric smelting of lead sulphate residues
HUP0001892A2 (en) Method for desulfurizing off-gases
JPS5226374A (en) Process for removal of sulfur oxides in exhaust gases
GB1526851A (en) Process for the desulphurisation of furnace exhaust gases
JPS5435813A (en) Controlling method for carbon content of reduced pellets
JPS53108067A (en) Removing method for mercury included in roasting furnace gas containing sulfur dioxide
JPS52114503A (en) Slag for remelting electroslag
JPS5261113A (en) Desulfurization method of blast furnace slag
JPS5623220A (en) Molten iron desulfurizing method
JPS522807A (en) Process for treatment of blast furnace gas ashes
JPS53145807A (en) Production of purified coke oven gas
JPS5226361A (en) Process for refining of harmful gases
KR850700042A (en) How to adjust the shape of inclusions in steel
JPS5232895A (en) Process for controlling supplying quantity of lime in the wet recovery process of sulfur in the waste gas as gypsum with lime
JPS5224185A (en) Treatment of calcium carbide desulfurization slag
JPS5235714A (en) Process for producing low sulfursteel
JPS5426995A (en) Stabilization treating method for blast furnace slag
SU395396A1 (en) METHOD FOR DISPOSING OF DOMAIN SLAGS
JPS51142413A (en) Method of removing sulfur in slag used in desulfurization of molten ir on
JPS5242411A (en) Process for continuous desulfurization of molten cast iron
Volovik Desulphurization Processes with the Injection of Fluxes into the Hearth of a Blast Furnace Operating with Enriched Blast