Global Patent Index - EP 0204935 A1

EP 0204935 A1 19861217 - Method for controlling the charging of a shaft furnace.

Title (en)

Method for controlling the charging of a shaft furnace.

Title (de)

Verfahren zum Kontrollieren der Beschickung eines Schachtofens.

Title (fr)

Procédé de contrÔle du chargement d'un four à cuve.

Publication

EP 0204935 A1 19861217 (FR)

Application

EP 86105644 A 19860423

Priority

LU 85892 A 19850510

Abstract (en)

[origin: ES8703618A1] A process for controlling the charging of a shaft furnace of the type utilizing a distribution spout and one or more storage hoppers with each hopper being provided with a dosing device for regulating the flow of charging material from the hopper to the spout. The shaft furnace also includes a weighing system to determine the contents (weight) of the hopper and to adjust the position of the dosing device wherein the dosing valve is opened whenever the real flow Qr is below the reference flow Qc and is held in position when the real flow Qr is above the reference flow Qc.

IPC 1-7

C21B 7/18; F27B 1/20

IPC 8 full level

C21B 7/18 (2006.01); C21B 7/20 (2006.01); F27B 1/20 (2006.01); F27B 1/26 (2006.01); F27D 3/10 (2006.01)

CPC (source: EP KR US)

C21B 7/18 (2013.01 - EP KR US); C21B 7/20 (2013.01 - EP US); F27B 1/20 (2013.01 - EP US)

Citation (search report)

  • [A] JP S4913122 A 19740205
  • [A] EP 0090923 A1 19831012 - KRUPP POLYSIUS AG [DE]
  • [A] PATENT ABSTRACTS OF JAPAN vol. 009, no. 175 (C - 292)<1898> 19 July 1985 (1985-07-19)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 008, no. 273 (C - 256)<1710> 13 December 1984 (1984-12-13)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 006, no. 011 (C - 88)<889> 22 January 1982 (1982-01-22)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 009, no. 104 (C - 279)<1827> 8 May 1985 (1985-05-08)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 009, no. 171 (C - 291)<1894> 16 July 1985 (1985-07-16)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 005, no. 106 (C - 62)<778> 10 July 1981 (1981-07-10)

Designated contracting state (EPC)

AT BE DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0204935 A1 19861217; EP 0204935 B1 19890322; AT E41679 T1 19890415; AU 5687486 A 19861120; AU 574574 B2 19880707; BR 8602270 A 19870121; CA 1269831 A 19900605; CN 1006554 B 19900124; CN 86103226 A 19861105; CZ 320186 A3 19940119; DE 3662533 D1 19890427; ES 554736 A0 19870301; ES 8703618 A1 19870301; IN 165912 B 19900210; IN 167117 B 19900901; JP H0776372 B2 19950816; JP S61266512 A 19861126; KR 860009133 A 19861220; KR 930009386 B1 19931002; LU 85892 A1 19861205; SU 1493112 A3 19890707; US 4714396 A 19871222; ZA 863206 B 19870225

DOCDB simple family (application)

EP 86105644 A 19860423; AT 86105644 T 19860423; AU 5687486 A 19860430; BR 8602270 A 19860508; CA 507894 A 19860429; CN 86103226 A 19860509; CS 320186 A 19860504; DE 3662533 T 19860423; ES 554736 A 19860507; IN 406DE1986 A 19860505; IN 469DE1986 A 19860528; JP 10754186 A 19860509; KR 860003656 A 19860510; LU 85892 A 19850510; SU 4027420 A 19860507; US 86208386 A 19860512; ZA 863206 A 19860429