US3894728A - Slag-removing apparatus - Google Patents

Slag-removing apparatus Download PDF

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Publication number
US3894728A
US3894728A US444648A US44464874A US3894728A US 3894728 A US3894728 A US 3894728A US 444648 A US444648 A US 444648A US 44464874 A US44464874 A US 44464874A US 3894728 A US3894728 A US 3894728A
Authority
US
United States
Prior art keywords
casing
scoops
jack
slag
operating rod
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 - Lifetime
Application number
US444648A
Other languages
English (en)
Inventor
Leopold Berkens
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.)
Elphiac SA
Original Assignee
Elphiac 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 Elphiac SA filed Critical Elphiac SA
Application granted granted Critical
Publication of US3894728A publication Critical patent/US3894728A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1545—Equipment for removing or retaining slag
    • F27D3/1554—Equipment for removing or retaining slag for removing the slag from the surface of the melt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B66C17/12—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for handling workpieces, e.g. ingots, which require to be supported temporarily within, or withdrawn from, a treatment chamber, e.g. tong cranes, soaking-pit cranes, stripper cranes
    • B66C17/14—Tong cranes with means for moving article-pushers relative to the tongs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
    • 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
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1545—Equipment for removing or retaining slag

Definitions

  • ABSTRACT An apparatus for removing slag from a bath of molten metal. It has a casing provided with a gripping device at one end to allow it to be connected to the hook of a travelling crane. Two cooperating metal slag removing scoops are pivotally mounted at the other end of the casing and a mechanism is connected to the scoops to cause their pivoting action when it is moved axially of the casing. The mechanism is actuated by a pneumatic jack housed in the casing and having connections to a source of pneumatic fluid.
  • the scoop operating mechanism is connected to the operating rod of the pneumatic jack so that actuation of the operating rod causes pivoting of the scoops for slag removal.
  • the apparatus includes a rigid structure at the other end of the casing, the scoops being pivotally mounted on the said structure.
  • the latter is preferably further provided with a shield intended to protect the casing and the jack from the heat of the bath of molten metal.
  • the bottom of the casing is filled with heat insulating material.
  • the present invention relates to an apparatus for removing slag from a bath of molten metal.
  • a known apparatus of this type is constituted by twin scoops and by a hydraulically actuated mechanism, the assembly being mounted on a movable support arranged on a self-propelled vehicle. lt is always difficult to move with a self-propelled vehicle about a crucible filled with molten metal. Furthermore, the use of a hydraulic liquid in an ambient atmosphere of high temperature may perturb the operation of the apparatus due to the fact that a certain quantity of hydraulic liquid may reach the evaporation temperature.
  • the purpose of the present invention is to avoid the use of a hydraulic fluid and to make the slag-removing apparatus more easy to handle. It is characterized by the provision of a casing provided at its upper end with a gripping device capable of being connected to the hook of a travellng crane, by a pneumatic cylinder actuating the mechanism of the twin scoops and by means connecting the pneumatic jack to a source of pneumatic fluid and by a heat shield at the lower end of the casing.
  • the apparatus for slag removal is shown to be made up of a casing 1 provided at its upper end with a gripping device, for instance a ring 2 for a hook 3 of a travelling crane, not shown.
  • a pneumatic jack 4 is solid with the casing l and may be connected by means of flexible hoses 5 and 6 to a pneumatic fluid feeding device which may be supported by the travelling crane, for instance.
  • the jack 4 actuates a compensation bar 7 to which two connecting rods 8 and 9 are connected.
  • the compensation bar 7 is guided in a slot 10 of the casing 1.
  • the lower end of the casing 1 has secured thereto a rigid structure 11 supporting the pivots l2 and 13 of two scoops l4 and 15 which are, on the other hand, connected to the compensation bar 7 through respectively the connecting rods 8 and 9.
  • the position of the compensation rod 7 determines the position of the two twin scoops l4 and 15.
  • the apparatus for slag removal is meant to operate above a bath of molten metal at a very high temperature
  • protection against heat is provided by the fact that the structure 11 has a shield plate 16 and that the bottom of the casing 1 is filled with a heat insulating material 17, such as mineral fibres.
  • a rod 18 or a handling bight is fixedly secured to the casing 1.
  • An apparatus for removing slag from a bath of molten metal comprising:
  • a casing having a gripping means at a first end thereof adapted for connection to a hook of a travelling crane;
  • a pneumatic jack within said casing solidly connected thereto near said first end thereof and means for connecting said jack to a source of pneumatic fluid, said jack having an operating rod mobile in said casing;
  • a metallic shield for protecting said casing and jack from the heat of said bath of molten metal, fixed at a second end of said structure, and

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
US444648A 1973-02-21 1974-02-21 Slag-removing apparatus Expired - Lifetime US3894728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE795691 1973-02-21

Publications (1)

Publication Number Publication Date
US3894728A true US3894728A (en) 1975-07-15

Family

ID=3860787

Family Applications (1)

Application Number Title Priority Date Filing Date
US444648A Expired - Lifetime US3894728A (en) 1973-02-21 1974-02-21 Slag-removing apparatus

Country Status (7)

Country Link
US (1) US3894728A (fr)
JP (1) JPS49113362A (fr)
BE (1) BE795691A (fr)
DE (1) DE2408447C3 (fr)
FR (1) FR2218540B1 (fr)
GB (1) GB1418258A (fr)
IT (1) IT1008915B (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102351126A (zh) * 2011-10-10 2012-02-15 岳睿 液压式多功能机械抓手
CN102514932A (zh) * 2011-11-30 2012-06-27 浙江大学 薄壁罐自动抓取机械手
US20120167718A1 (en) * 2003-12-15 2012-07-05 Fuchun Sheng Method for scooping-up slag from liquid iron
CN104697349A (zh) * 2015-02-05 2015-06-10 江西瑞林装备有限公司 一种液体表层漂浮粉体物的捞取装置和捞取方法
CN104713380A (zh) * 2015-03-13 2015-06-17 苏州圣谱拉新材料科技有限公司 一种冶炼炉表层残渣去除装置
CN105855530A (zh) * 2015-01-23 2016-08-17 鞍钢股份有限公司 一种钢包用刮渣、破渣装置及其使用方法
US20180009029A1 (en) * 2015-02-05 2018-01-11 Jiangxi Nerin Equipment Co., Ltd. Melting pot, and float salvaging apparatus and method for melting pot
CN107764077A (zh) * 2017-10-25 2018-03-06 中冶陕压重工设备有限公司 一种盐浴炉捞渣抓斗
EP3480323A4 (fr) * 2016-06-30 2019-12-18 Baoshan Iron & Steel Co., Ltd. Procédé de traitement à cylindres et dispositif de traitement approprié pour un traitement de quantité totale de laitier d'acier
CN115635040A (zh) * 2022-10-27 2023-01-24 安徽省凤形新材料科技有限公司 一种耐磨合金材料热处理加热炉用下料装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139695U (fr) * 1974-09-20 1976-03-24
JPS5410906U (fr) * 1977-06-24 1979-01-24
CN103851921B (zh) * 2012-11-28 2016-01-13 沈阳铝镁设计研究院有限公司 一种用于混合炉的气动抓斗
JP6513939B2 (ja) * 2014-11-26 2019-05-15 三明機工株式会社 ノロ取り装置及び方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US418231A (en) * 1889-12-31 Automatic coal-bucket
US1309846A (en) * 1919-07-15 Eobebt m
US2217629A (en) * 1938-08-15 1940-10-08 John C Williams Corp Automatic control means for dredge buckets
US2583645A (en) * 1948-10-05 1952-01-29 Hannen Clemens Vibrating arrangement for the separation of admixtures from molten metal baths
US3041057A (en) * 1958-12-08 1962-06-26 William S Pearson Drossing system for galvanizing kettles
US3198567A (en) * 1962-05-03 1965-08-03 Konink Nl Hoogorens En Staalfa Breeze grab
US3360254A (en) * 1964-10-02 1967-12-26 Bbc Brown Boveri & Cie Apparatus for slag removal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR345767A (fr) * 1904-08-23 1904-12-15 Nicolas Savon Benne dragueuse pour le chargement et le déchargement de matières quelconques déposées en vrac
FR409830A (fr) * 1909-11-30 1910-05-02 Albert Morillon Benne preneuse automatique
FR1325723A (fr) * 1962-03-19 1963-05-03 Benoto Sa Benne preneuse à commande hydraulique
JPS4817209U (fr) * 1971-07-03 1973-02-27

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US418231A (en) * 1889-12-31 Automatic coal-bucket
US1309846A (en) * 1919-07-15 Eobebt m
US2217629A (en) * 1938-08-15 1940-10-08 John C Williams Corp Automatic control means for dredge buckets
US2583645A (en) * 1948-10-05 1952-01-29 Hannen Clemens Vibrating arrangement for the separation of admixtures from molten metal baths
US3041057A (en) * 1958-12-08 1962-06-26 William S Pearson Drossing system for galvanizing kettles
US3198567A (en) * 1962-05-03 1965-08-03 Konink Nl Hoogorens En Staalfa Breeze grab
US3360254A (en) * 1964-10-02 1967-12-26 Bbc Brown Boveri & Cie Apparatus for slag removal

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120167718A1 (en) * 2003-12-15 2012-07-05 Fuchun Sheng Method for scooping-up slag from liquid iron
US8679223B2 (en) * 2003-12-15 2014-03-25 Fuchun Sheng Method for scooping-up slag from liquid iron
CN102351126A (zh) * 2011-10-10 2012-02-15 岳睿 液压式多功能机械抓手
CN102351126B (zh) * 2011-10-10 2014-07-09 淮海工学院 液压式多功能机械抓手
CN102514932A (zh) * 2011-11-30 2012-06-27 浙江大学 薄壁罐自动抓取机械手
CN105855530A (zh) * 2015-01-23 2016-08-17 鞍钢股份有限公司 一种钢包用刮渣、破渣装置及其使用方法
CN104697349B (zh) * 2015-02-05 2016-08-17 江西瑞林装备有限公司 一种液体表层漂浮粉体物的捞取装置和捞取方法
CN104697349A (zh) * 2015-02-05 2015-06-10 江西瑞林装备有限公司 一种液体表层漂浮粉体物的捞取装置和捞取方法
US20180009029A1 (en) * 2015-02-05 2018-01-11 Jiangxi Nerin Equipment Co., Ltd. Melting pot, and float salvaging apparatus and method for melting pot
AU2016214885B2 (en) * 2015-02-05 2019-04-18 Jiangxi Nerin Equipment Co., Ltd. Melting pot, and float salvaging apparatus and method for melting pot
US10639710B2 (en) * 2015-02-05 2020-05-05 Jiangxi Nerin Equipment Co., Ltd. Melting pot, and float salvaging apparatus and method for melting pot
CN104713380A (zh) * 2015-03-13 2015-06-17 苏州圣谱拉新材料科技有限公司 一种冶炼炉表层残渣去除装置
EP3480323A4 (fr) * 2016-06-30 2019-12-18 Baoshan Iron & Steel Co., Ltd. Procédé de traitement à cylindres et dispositif de traitement approprié pour un traitement de quantité totale de laitier d'acier
US11519043B2 (en) * 2016-06-30 2022-12-06 Baoshan Iron & Steel Co., Ltd. Roller treatment process and treatment device suitable for total-amount steel slag treatment
CN107764077A (zh) * 2017-10-25 2018-03-06 中冶陕压重工设备有限公司 一种盐浴炉捞渣抓斗
CN107764077B (zh) * 2017-10-25 2019-03-26 中冶陕压重工设备有限公司 一种盐浴炉捞渣抓斗
CN115635040A (zh) * 2022-10-27 2023-01-24 安徽省凤形新材料科技有限公司 一种耐磨合金材料热处理加热炉用下料装置

Also Published As

Publication number Publication date
DE2408447C3 (de) 1980-10-16
IT1008915B (it) 1976-11-30
FR2218540A1 (fr) 1974-09-13
FR2218540B1 (fr) 1976-05-14
DE2408447A1 (de) 1974-08-22
GB1418258A (en) 1975-12-17
BE795691A (fr) 1973-08-21
JPS49113362A (en) 1974-10-29
DE2408447B2 (de) 1980-02-28

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