EP0471427A2 - Dispositif pour le chargement des fours à fusion - Google Patents

Dispositif pour le chargement des fours à fusion Download PDF

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Publication number
EP0471427A2
EP0471427A2 EP91250220A EP91250220A EP0471427A2 EP 0471427 A2 EP0471427 A2 EP 0471427A2 EP 91250220 A EP91250220 A EP 91250220A EP 91250220 A EP91250220 A EP 91250220A EP 0471427 A2 EP0471427 A2 EP 0471427A2
Authority
EP
European Patent Office
Prior art keywords
furnace
conveyor
conveyed
steep
steep conveyor
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Withdrawn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
EP91250220A
Other languages
German (de)
English (en)
Other versions
EP0471427A3 (en
Inventor
Günther Schmidt
Hans-Dieter Weinem
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.)
Strikfeld W and Koch GmbH
Original Assignee
Strikfeld W and Koch GmbH
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 Strikfeld W and Koch GmbH filed Critical Strikfeld W and Koch GmbH
Publication of EP0471427A2 publication Critical patent/EP0471427A2/fr
Publication of EP0471427A3 publication Critical patent/EP0471427A3/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/18—Arrangements of devices for charging
    • 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
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • 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
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0063—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising endless belts
    • 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
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0065—Lifts, e.g. containing the bucket elevators
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0071—Regulation using position sensors
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0035—Devices for monitoring the weight of quantities added to the charge
    • F27D2021/0042—Monitoring the level of the solid charge

Definitions

  • the invention relates to a charging device for melting furnaces, in which the material to be conveyed is fed to a conveying element which transports the material to be conveyed to the charging point of the furnace and empties it into the furnace.
  • Conveyor belts are also known as feeding devices, which transport the melting material on a slope to the emptying point.
  • conveyor belts require a large length of track to overcome the specified loading height, so that they are often not used for reasons of space.
  • the invention has for its object to provide a charging device for melting furnaces, which enables rapid and low-noise loading to the melting furnace for different sizes of the melting material, the device being inexpensive to buy and operate and requiring little space should be.
  • the loading device consists of a combination of a horizontal conveyor designed as a moving floor and a steep conveyor, any goods in a wide variety of shapes up to certain dimensions and weights can be transported quickly and quietly.
  • Containers of any size can be emptied by hand or by machine into the storage container of the moving floor.
  • the discharge of the melting or conveyed material is independent of the filling status of the container.
  • the device does not require any personal operation.
  • the discharge speed can be varied so that automation is possible.
  • the discharge height at the emptying or loading point is kept significantly lower in the device according to the invention in contrast to conveyor belts or lifting and tipping devices. This helps to protect the oven and reduces the space required at height.
  • the shape of the bag separates the material to be conveyed or melted, thereby avoiding excessive furnace loads in the filling area, since only the contents of a bag or a carrier fall into the furnace chamber.
  • the material to be conveyed or melt is immediately available at the emptying point without a start-up time, as is the case with lifting and tipping devices, since all pockets or carriers are filled and emptied one after the other.
  • 1 is the melting furnace. In such a furnace material is melted, which has individual weights of less than 1 kg to 38 kg and dimensions of 30 x 40 x 10 mm to 800 x 600 x 600 mm. Approximately 1000 to 7000 kg, possibly even more, of the melting material must be filled into the furnace 1 per hour.
  • the loading is carried out via the horizontal conveyor 2 designed as a moving floor and the steep conveyor 3.
  • the moving floor consists of a plurality of side-by-side profile strips 4 with an underlying hydraulic-operated displacement system, not shown. For the sliding movement of the moving floor, also known as the walking floor, part of the profile strips moves as a group by a certain path, whereby the load stops.
  • the steep conveyor 3 consists of a steel frame construction, in the lower area of which a filling opening 6 is provided in a side wall.
  • the profile strips 4 of the horizontal conveyor 2 engage in this filling opening 6.
  • a sliding floor 7 is arranged in the frame construction and extends from the filling opening 6 to the emptying point 8.
  • In the upper area of the steel frame construction there is a drive shaft 9 with two sprockets and a preferably hydraulic drive.
  • Two roller chains 11, to which drivers 12 are attached, are guided over the chain wheels and possibly other chain wheels 10 provided in the frame construction.
  • the drivers 12 form pockets for the melted material, which falls directly from the profile strips 4 of the moving floor 2, which engage in the filling opening 6, into the carriers 12, which are designed as pockets.
  • the chains 11 with the carriers 12 attached to them start to move, as a result of which the melt material is transported upwards on the sliding floor 7.
  • a driver lifting device provided, through which each driver is raised so that it can be completely emptied.
  • the melt material falls from the steep conveyor into the Furnace 1.
  • the melted material 14 is emptied discontinuously into the storage container 5 of the horizontal conveyor 2 by means of a forklift 15 or by means of a crane.
  • the discharge of the melting material 14 from the storage container 5 is independent of its filling state, and the discharge speed can be adapted to the circumstances.
  • the transport capacity of the horizontal conveyor 2, which can also be arranged at an incline, is more than 10 t / h.
  • the melting material 14 falls into the carriers 12 designed as pockets and is transported upwards continuously or discontinuously.
  • the transport speed can also be adapted to the circumstances. Since only small quantities of melting material 14 are always transported in the driving pockets 12, only small quantities fall into the at the emptying point 8 Furnace 1 so that the furnace is not overloaded in the loading area.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Charging Or Discharging (AREA)
EP19910250220 1990-08-13 1991-08-06 Installation for charging of melting furnaces Withdrawn EP0471427A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904025792 DE4025792A1 (de) 1990-08-13 1990-08-13 Beschickungsvorrichtung fuer schmelzoefen
DE4025792 1990-08-13

Publications (2)

Publication Number Publication Date
EP0471427A2 true EP0471427A2 (fr) 1992-02-19
EP0471427A3 EP0471427A3 (en) 1993-03-03

Family

ID=6412251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910250220 Withdrawn EP0471427A3 (en) 1990-08-13 1991-08-06 Installation for charging of melting furnaces

Country Status (2)

Country Link
EP (1) EP0471427A3 (fr)
DE (1) DE4025792A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114216326A (zh) * 2021-12-24 2022-03-22 青岛中智达环保熔炼设备有限公司 冲天炉系统物料输送大倾角皮带机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB669228A (en) * 1950-05-18 1952-04-02 T An Tesch A B Improvements in methods of charging furnaces, especially shaft furnaces
US3334787A (en) * 1965-10-11 1967-08-08 Kisha Seizo Kabushiki Kaisha Vibratory hopper feeder
DE2854585A1 (de) * 1978-12-18 1980-07-17 Smit Ovens Nijmegen Bv Einrichtung zum trocknen und brennen von emaillierware
US4234283A (en) * 1978-04-18 1980-11-18 Automated Production Systems Corporation Scrap metal fed system for a closed rotary kiln or heating oven

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB669228A (en) * 1950-05-18 1952-04-02 T An Tesch A B Improvements in methods of charging furnaces, especially shaft furnaces
US3334787A (en) * 1965-10-11 1967-08-08 Kisha Seizo Kabushiki Kaisha Vibratory hopper feeder
US4234283A (en) * 1978-04-18 1980-11-18 Automated Production Systems Corporation Scrap metal fed system for a closed rotary kiln or heating oven
DE2854585A1 (de) * 1978-12-18 1980-07-17 Smit Ovens Nijmegen Bv Einrichtung zum trocknen und brennen von emaillierware

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BLAST FURNACE AND STEEL PLANT Bd. 58, Nr. 10, Oktober 1970, OSCEOLA MILLS US Seiten 733 - 743 E.L.FOGLEMAN ET AL. 'Operational and Economic Aspects of prereduced iron usage in electric arc furnaces' *

Also Published As

Publication number Publication date
EP0471427A3 (en) 1993-03-03
DE4025792A1 (de) 1992-02-20

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