GB717576A - A process for reducing powdery ores without a previous agglomeration - Google Patents

A process for reducing powdery ores without a previous agglomeration

Info

Publication number
GB717576A
GB717576A GB6260/51A GB626051A GB717576A GB 717576 A GB717576 A GB 717576A GB 6260/51 A GB6260/51 A GB 6260/51A GB 626051 A GB626051 A GB 626051A GB 717576 A GB717576 A GB 717576A
Authority
GB
United Kingdom
Prior art keywords
bath
per cent
layer
slag
molten
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.)
Expired
Application number
GB6260/51A
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.)
FORNI LUBATTI SOC
Original Assignee
FORNI LUBATTI SOC
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 FORNI LUBATTI SOC filed Critical FORNI LUBATTI SOC
Publication of GB717576A publication Critical patent/GB717576A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B15/00—Other processes for the manufacture of iron from iron compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

A process for reducing powdery ores without agglomeration is carried out in an open furnace by preparing in the furnace a layer of molten salt (or salts) or molten slag, which is maintained at a suitable temperature by means of an electric current following a substantially horizontal path through a slag resistance, pouring on to the molten bath a mixture of powdered ore and coal and slag forming or corrective substances to form a layer of as far as possible uniform thickness on the bath. The mixture is dried by heat from the bath and the reduction is started and completed as the materials are brought to fusion and are absorbed in the bath in the form of droplets. The gaseous products pass through the charge layer which they heat, and leave the furnace at a low temperature (e.g. 50-150 DEG C.). The slag and molten metal formed settle and are withdrawn at intervals to maintain their thicknesses within desired limits. In an example the charge comprises 65 per cent. of ore (iron oxide with an Fe2 O3 content of about 80 per cent.), 20 per cent. coal and 15 per cent. of limestone (with 96 per cent. CaO) together with a small amount of pyrolusite and forms a layer on the bath of about 30 cms. The bath temperature is kept at about 1500 DEG C.
GB6260/51A 1950-03-15 1951-03-15 A process for reducing powdery ores without a previous agglomeration Expired GB717576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT717576X 1950-03-15

Publications (1)

Publication Number Publication Date
GB717576A true GB717576A (en) 1954-10-27

Family

ID=11314893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6260/51A Expired GB717576A (en) 1950-03-15 1951-03-15 A process for reducing powdery ores without a previous agglomeration

Country Status (1)

Country Link
GB (1) GB717576A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006420A1 (en) * 1978-04-01 1980-01-09 Hoechst Aktiengesellschaft Composition containing carbonaceous material for electrothermic reduction processes and method for the production thereof
WO1997040197A1 (en) * 1996-04-19 1997-10-30 Ipcor N.V. Metal containing compound reduction and melting process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006420A1 (en) * 1978-04-01 1980-01-09 Hoechst Aktiengesellschaft Composition containing carbonaceous material for electrothermic reduction processes and method for the production thereof
WO1997040197A1 (en) * 1996-04-19 1997-10-30 Ipcor N.V. Metal containing compound reduction and melting process

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