EP0112084A1 - Vorrichtung an Hochöfen - Google Patents

Vorrichtung an Hochöfen Download PDF

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Publication number
EP0112084A1
EP0112084A1 EP83307233A EP83307233A EP0112084A1 EP 0112084 A1 EP0112084 A1 EP 0112084A1 EP 83307233 A EP83307233 A EP 83307233A EP 83307233 A EP83307233 A EP 83307233A EP 0112084 A1 EP0112084 A1 EP 0112084A1
Authority
EP
European Patent Office
Prior art keywords
bore
lance
collar
blast pipe
chamber
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.)
Withdrawn
Application number
EP83307233A
Other languages
English (en)
French (fr)
Inventor
Peter Whiteoak
Geza Hanniker
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.)
British Steel Corp
Original Assignee
British 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 British Steel Corp filed Critical British Steel Corp
Publication of EP0112084A1 publication Critical patent/EP0112084A1/de
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal

Definitions

  • This invention relates to blast furnace apparatus for the production of iron.
  • a blast furnace apparatus wherein granular coal is arranged to be injected by means of a lance through a blast pipe thereof including a check valve assembly in the wall of the blast pipe through which the lance is passed, said check valve assembly including a chamber disposed above and radially outwardly from a bore passing therethrough and adapted to receive the lance; a partial collar adapted to be seated around the bore and opening on one side into the chamber, the collar having a face inclined away from the outlet mouth of the blast pipe; and a ball adapted to be held in the chamber by the lance when passed through the valve into the blast pipe and adapted to run down the inclined face of the collar into the bore upon withdrawal of the lance from the bore so as to close the bore and seal the valve assembly.
  • the ball is preferably of stainless steel.
  • the check valve assembly 1 is mounted on a cylinder 2 welded to a wall 3 of a blast pipe of a blast furnace (not shown).
  • the b;ast pipe is provided in known manner with a curved gas inlet such that the cylindrical attachment of the check valve can be attached generally tangentially to the curved inlet with the lance 4 extending directly towards the tuyere outlet.
  • the valve assembly 1 includes a major body portion 5 attached to the attachment cylinder 2 at one end and a handle carrying sub-assembly 6 at the other end.
  • a bore 7 is provided through the main assembly block 5 and sub-assembly 6, to enable the hollow granular coal injecting lance 4 to be passed therethrough into the blast pipe for fuel injection purposes.
  • the main body portion 5 of the check valve 1 includes a chamber 8 disposed above the bore and injection lance, within which a steel ball 9 is held by the lance.
  • a partial collar member 10 having a vertical cross section somewhat in the form of an isosceles triangle.
  • the collar member 10 has a face 11 towards the tuyere generally at right angles to the axis of the lance 4, whilst the face 12 directed away from the tuyere is inclined at an angle of approximately 45° to the axis of the lance 4 . Should it be necessary to remove the lance 4 for reasons of blockage or excess wear or other reasons, this can readily be withdrawn from the blast pipe through the check valve assembly 1. As soon as the lance is free from the stainless steel ball 9 this immediately runs down the inclined face 12 of the partial collar 10 and connects for sealing purposes with edges of an annular recess 13 within the main body portion 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)
EP83307233A 1982-12-03 1983-11-28 Vorrichtung an Hochöfen Withdrawn EP0112084A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08234573A GB2131529B (en) 1982-12-03 1982-12-03 Charging solid fuel to a blast furnace via the blast pipe
GB8234573 1982-12-03

Publications (1)

Publication Number Publication Date
EP0112084A1 true EP0112084A1 (de) 1984-06-27

Family

ID=10534727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83307233A Withdrawn EP0112084A1 (de) 1982-12-03 1983-11-28 Vorrichtung an Hochöfen

Country Status (5)

Country Link
EP (1) EP0112084A1 (de)
AU (1) AU2140483A (de)
ES (1) ES8502539A1 (de)
GB (1) GB2131529B (de)
ZA (1) ZA838592B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0208132A1 (de) * 1985-06-13 1987-01-14 Mitsubishi Materials Corporation Kupferkonverter
KR101224704B1 (ko) * 2008-10-03 2013-01-21 닛산 지도우샤 가부시키가이샤 조립 배터리를 위한 배터리 셀 및 감시 장치
CN104611489A (zh) * 2015-02-05 2015-05-13 山西太钢不锈钢股份有限公司 一种高炉喷煤喷枪及其制作方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432996A (en) * 1945-10-01 1947-12-23 Kennecott Copper Corp Apparatus for punching tuyeres of copper converters and the like
GB1067508A (en) * 1964-06-04 1967-05-03 Normandie Ste Metallurgique Closure device for the fuel injection aperture in a hot blast tuyere for a blast furnace

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432996A (en) * 1945-10-01 1947-12-23 Kennecott Copper Corp Apparatus for punching tuyeres of copper converters and the like
GB1067508A (en) * 1964-06-04 1967-05-03 Normandie Ste Metallurgique Closure device for the fuel injection aperture in a hot blast tuyere for a blast furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0208132A1 (de) * 1985-06-13 1987-01-14 Mitsubishi Materials Corporation Kupferkonverter
KR101224704B1 (ko) * 2008-10-03 2013-01-21 닛산 지도우샤 가부시키가이샤 조립 배터리를 위한 배터리 셀 및 감시 장치
CN104611489A (zh) * 2015-02-05 2015-05-13 山西太钢不锈钢股份有限公司 一种高炉喷煤喷枪及其制作方法

Also Published As

Publication number Publication date
ES527740A0 (es) 1985-01-01
AU2140483A (en) 1984-06-07
ZA838592B (en) 1984-07-25
GB2131529B (en) 1986-08-20
GB2131529A (en) 1984-06-20
ES8502539A1 (es) 1985-01-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): DE FR IT SE

17P Request for examination filed

Effective date: 19841213

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19870120

RIN1 Information on inventor provided before grant (corrected)

Inventor name: WHITEOAK, PETER

Inventor name: HANNIKER, GEZA