FR449212A - Method and apparatus for the production of iron and steel - Google Patents

Method and apparatus for the production of iron and steel

Info

Publication number
FR449212A
FR449212A FR449212DA FR449212A FR 449212 A FR449212 A FR 449212A FR 449212D A FR449212D A FR 449212DA FR 449212 A FR449212 A FR 449212A
Authority
FR
France
Prior art keywords
iron
steel
production
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
Albert Hiorth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR449212A publication Critical patent/FR449212A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
FR449212D 1912-10-10 1912-10-10 Method and apparatus for the production of iron and steel Expired FR449212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR449212T 1912-10-10

Publications (1)

Publication Number Publication Date
FR449212A true FR449212A (en) 1913-02-20

Family

ID=1489760

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449212D Expired FR449212A (en) 1912-10-10 1912-10-10 Method and apparatus for the production of iron and steel

Country Status (1)

Country Link
FR (1) FR449212A (en)

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