EP2387620B1 - Installation de chargement de four à cuve - Google Patents

Installation de chargement de four à cuve Download PDF

Info

Publication number
EP2387620B1
EP2387620B1 EP10700743.7A EP10700743A EP2387620B1 EP 2387620 B1 EP2387620 B1 EP 2387620B1 EP 10700743 A EP10700743 A EP 10700743A EP 2387620 B1 EP2387620 B1 EP 2387620B1
Authority
EP
European Patent Office
Prior art keywords
panel
fluid
fluid channels
heated
charge material
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.)
Not-in-force
Application number
EP10700743.7A
Other languages
German (de)
English (en)
Other versions
EP2387620A1 (fr
Inventor
Guy Thillen
Jeannot Loutsch
Thorsten Philippi
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.)
Paul Wurth SA
Original Assignee
Paul Wurth SA
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 Paul Wurth SA filed Critical Paul Wurth SA
Publication of EP2387620A1 publication Critical patent/EP2387620A1/fr
Application granted granted Critical
Publication of EP2387620B1 publication Critical patent/EP2387620B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/10—Charging directly from hoppers or shoots
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/18—Bell-and-hopper arrangements
    • C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/20—Arrangements of devices for charging

Definitions

  • dust build-up due to condensation of blast furnace gas in combination with wet equalizing gas and dust particles from the charge material, may occur.
  • dust build-up may accumulate on a protection ring and hinder the material gate from properly closing the hopper discharge opening.
  • the limit switch which indicates that the material gate is in its closed position, may not be activated.
  • the charging sequence is thereby interrupted and is then necessary either to mechanically remove the build-up or to change the limit switch position.
  • the latter can however cause further problems such as excessive wear on the seal on the sealing valve arranged downstream. This is caused by the fact that the material gate is not correctly closed and that a larger gap allows more charge material to leak through the closed material gate.
  • the dust build-up may be such that, in the closed position of the material gate, the latter rests on the dust build-up, thereby falsifying the weighing results of the charge material fed into the hopper.
  • the copper heated panels also provide good heat transfer, enabling the heated plate to be heated to a higher temperature, when compared to the conventional stainless steel heated panels.
  • the fluid channels comprise a fluid inlet and a fluid outlet, the fluid inlet and outlet being connected to a fluid circuit for delivering a hot fluid, e.g. steam, to the heated panel.
  • a hot fluid e.g. steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Tunnel Furnaces (AREA)
  • Furnace Details (AREA)

Claims (8)

  1. Système de chargement de haut-fourneau (12) pour alimenter un matériau de charge à l'intérieur du foyer d'un haut-fourneau (10), ledit système (12) comprenant au moins deux trémies (16) pour stocker temporairement un matériau de charge, chaque trémie (16) comprenant un ensemble de décharge (30) pour alimenter ledit matériau de charge de la trémie (16) respective jusque dans le foyer d'un haut-fourneau (10) ; ledit ensemble de décharge (30) comprenant :
    un canal de décharge incliné (36) ayant, à son extrémité inférieure, un clapet de matière (38) permettant une maîtrise du flux de matériau de charge à l'extrémité inférieure du canal de décharge (36) ;
    un anneau de protection (50) agencé à proximité du clapet de matière (38) pour conduire le matériau de charge dudit canal de décharge (36) jusqu'à un siège d'étanchéité (46) dudit ensemble de décharge (30);
    un panneau chauffé (52) agencé sur ledit anneau de protection (50), ledit panneau chauffé (52) étant formé par un corps en cuivre en forme de panneau (66) ayant des canaux de fluide (70) agencés dans celui-ci de façon à former un canal menant d'une entrée de fluide (72) jusqu'à une sortie de fluide (74).
  2. Système selon la revendication 1, dans lequel lesdits canaux de fluide (70) dans ledit corps en cuivre en forme de panneau sont des canaux de fluide formés par moulage.
  3. Système selon la revendication 1, dans lequel lesdits canaux de fluide (70) dans ledit corps en cuivre en forme de panneau sont des canaux de fluide formés par perçage.
  4. Système selon la revendication 3, dans lequel des bouchons sont agencés dans les parties d'extrémité desdits canaux de fluide percés.
  5. Système selon l'une quelconque des revendications 1 à 4, dans lequel ledit panneau chauffé (52) a une forme correspondant à la forme dudit canal de décharge (36), dans lequel ledit corps en cuivre en forme de panneau (66) est formé en ledit panneau chauffé en forme (52) après formation desdits canaux de fluide (70) dans celui-ci.
  6. Système selon l'une quelconque des revendications 1 à 5, dans lequel ledit panneau chauffé (52) comprend un élément de connexion (76) pour connecter ledit panneau chauffé (52) audit anneau de protection (50).
  7. Système selon la revendication 6, dans lequel un alliage de cuivre résistant à l'usure est agencé sur une partie inférieure d'une face avant du panneau chauffé (52) et sur une face avant de l'élément de connexion (76).
  8. Système selon l'une quelconque des revendications 1 à 7, dans lequel lesdits canaux de fluide comprennent une entrée de fluide (72) et une sortie de fluide (74), lesdites entrée et sortie de fluide (72, 74) étant connectées à un circuit de fluide pour délivrer un fluide chaud audit panneau chauffé (52).
EP10700743.7A 2009-01-15 2010-01-15 Installation de chargement de four à cuve Not-in-force EP2387620B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU91513A LU91513B1 (en) 2009-01-15 2009-01-15 Shaft furnace charging installation
PCT/EP2010/050461 WO2010081879A1 (fr) 2009-01-15 2010-01-15 Installation de chargement de four à cuve

Publications (2)

Publication Number Publication Date
EP2387620A1 EP2387620A1 (fr) 2011-11-23
EP2387620B1 true EP2387620B1 (fr) 2013-09-04

Family

ID=40801932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10700743.7A Not-in-force EP2387620B1 (fr) 2009-01-15 2010-01-15 Installation de chargement de four à cuve

Country Status (9)

Country Link
US (1) US20110271884A1 (fr)
EP (1) EP2387620B1 (fr)
KR (1) KR20110110157A (fr)
CN (2) CN201440029U (fr)
BR (1) BRPI1006860A2 (fr)
CA (1) CA2746620A1 (fr)
LU (1) LU91513B1 (fr)
RU (1) RU2011132472A (fr)
WO (1) WO2010081879A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107957196B (zh) * 2017-10-31 2019-02-15 重庆琅博宛冶金材料有限公司 一种方便进料的冶炼炉
CN118548706B (zh) * 2024-07-02 2025-10-28 江西金德铅业股份有限公司 一种底吹炉下料装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU59207A1 (fr) 1969-07-31 1969-12-10 Wurth Anciens Ets Paul
LU64909A1 (fr) 1972-03-06 1972-07-06
JPS63128107A (ja) * 1986-11-18 1988-05-31 Kobe Steel Ltd 高炉ベルレス用下部シ−ル弁洩れ防止方法
JPH01149910A (ja) * 1987-12-04 1989-06-13 Nkk Corp 蒸気ヒーターの防食処理方法
JP3911362B2 (ja) * 1999-04-28 2007-05-09 東鉄工株式会社 高炉原料装入装置
LU91113B1 (en) * 2004-10-18 2006-04-19 Wurth Paul Sa Method and device for calibrating a weighing system of a hopper
EP1811045A1 (fr) * 2006-01-20 2007-07-25 Paul Wurth S.A. Trémies multiples pour chargement d'un haut fourneau

Also Published As

Publication number Publication date
CN201440029U (zh) 2010-04-21
BRPI1006860A2 (pt) 2016-03-15
KR20110110157A (ko) 2011-10-06
CA2746620A1 (fr) 2010-07-22
WO2010081879A1 (fr) 2010-07-22
LU91513B1 (en) 2010-07-16
US20110271884A1 (en) 2011-11-10
RU2011132472A (ru) 2013-02-10
CN102264918A (zh) 2011-11-30
EP2387620A1 (fr) 2011-11-23

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