FR27473E - Method and apparatus for the direct production of iron and ferrous derivatives - Google Patents

Method and apparatus for the direct production of iron and ferrous derivatives

Info

Publication number
FR27473E
FR27473E FR27473DA FR27473E FR 27473 E FR27473 E FR 27473E FR 27473D A FR27473D A FR 27473DA FR 27473 E FR27473 E FR 27473E
Authority
FR
France
Prior art keywords
ferrous
derivatives
iron
direct production
direct
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
Other languages
French (fr)
Inventor
Jules-Alfred Lepiney
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 filed Critical
Application granted granted Critical
Publication of FR27473E publication Critical patent/FR27473E/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/08Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • C21B13/085Making spongy iron or liquid steel, by direct processes in rotary furnaces wherein iron or steel is obtained in a molten state

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR27473D 1922-12-30 1922-12-30 Method and apparatus for the direct production of iron and ferrous derivatives Expired FR27473E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR27473T 1922-12-30

Publications (1)

Publication Number Publication Date
FR27473E true FR27473E (en) 1924-07-07

Family

ID=8665783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27473D Expired FR27473E (en) 1922-12-30 1922-12-30 Method and apparatus for the direct production of iron and ferrous derivatives

Country Status (1)

Country Link
FR (1) FR27473E (en)

Similar Documents

Publication Publication Date Title
FR27473E (en) Method and apparatus for the direct production of iron and ferrous derivatives
FR569365A (en) Method and apparatus for the direct production of iron and ferrous derivatives
FR27347E (en) Method and apparatus for the direct production of iron and ferrous derivatives
FR738096A (en) Method and apparatus for the direct production of welded iron
FR625213A (en) Method and apparatus for the production of iron and steel
FR524603A (en) Process for the reduction of iron ores
FR592438A (en) Process for the production of carbonyl iron
FR599582A (en) Method and apparatus for the production of sheets
FR533616A (en) Method and device for the direct production of iron and steel
FR522282A (en) Improved method and apparatus for making wrought iron
FR607134A (en) Process for the production of carbonyl iron
FR546848A (en) Method and apparatus for the decomposition of ores
FR557161A (en) Method and apparatus for agglomeration of ores
FR521554A (en) Method and apparatus for the carburizing of articles, especially iron articles
FR568578A (en) Method and apparatus for the continuous production of concrete
FR547497A (en) Method and apparatus for the economical production of heat
FR538184A (en) Method and apparatus for the manufacture of solid or hollow agglomerates
CH100779A (en) Method and apparatus for the production of steam.
FR555802A (en) Process for the production of iron alloys
FR26239E (en) Method and apparatus for the manufacture of colloidal solutions of metalloids
FR527604A (en) Advanced processes and apparatus for the direct reduction of iron ores
FR659819A (en) Method and apparatus for surface hardening of iron
FR600977A (en) Method and apparatus for the production of cast iron
FR572690A (en) Process for making stainless iron and similar alloys
FR563964A (en) Apparatus and method for concentrating heavy sands