DE2109708B2 - Electric arc melting furnace - with gantry bridge sponge iron charging plant - Google Patents
Electric arc melting furnace - with gantry bridge sponge iron charging plantInfo
- Publication number
- DE2109708B2 DE2109708B2 DE19712109708 DE2109708A DE2109708B2 DE 2109708 B2 DE2109708 B2 DE 2109708B2 DE 19712109708 DE19712109708 DE 19712109708 DE 2109708 A DE2109708 A DE 2109708A DE 2109708 B2 DE2109708 B2 DE 2109708B2
- Authority
- DE
- Germany
- Prior art keywords
- bridge
- furnace
- loading
- container
- 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- Withdrawn
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract 10
- 229910052742 iron Inorganic materials 0.000 title claims abstract 5
- 238000010891 electric arc Methods 0.000 title 1
- 230000008018 melting Effects 0.000 title 1
- 238000002844 melting Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 claims 5
- 239000003570 air Substances 0.000 claims 3
- 239000012080 ambient air Substances 0.000 claims 3
- 239000000945 filler Substances 0.000 claims 3
- IIDJRNMFWXDHID-UHFFFAOYSA-N Risedronic acid Chemical compound OP(=O)(O)C(P(O)(O)=O)(O)CC1=CC=CN=C1 IIDJRNMFWXDHID-UHFFFAOYSA-N 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000012707 chemical precursor Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000011343 solid material Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
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; Electric arc furnaces ; Tank furnaces
- F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
- F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
-
- 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
- F27D3/18—Charging particulate material using a fluid carrier
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids or removable covers
- F27D1/1808—Removable covers
- F27D2001/1825—Means for moving the cover
-
- 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
- F27D2003/008—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising cross-beams or gantry cranes
-
- 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
- F27D3/12—Travelling or movable supports or containers for the charge
- F27D2003/125—Charging cars, lift trolleys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
Description
Wie die Fig. 1 und 2 zeigen, bildet den Hauptteil Wie aus Fig. 2 ersichtlich ist, liegen die im Ofender Beschickungsvorrichtung eine fahrbare Beschik- deckel 19 vorgesehenen Beschickungsöffnungen 18 in kungsbrücke 21 mit einem im Grundriß U-förmigen den Eckpunkten eines gedachten Dreiecks, auf dessen Rahmen 1. In der Vorderansicht (Fig. 1) wie auch in Seiten sich die Horizontalprojektionen von drei Elekder Draufsicht (Fig. 2) ist dei Elektroofen 6 beim s troden 20 befinden. Dadurch wird eine optimale Ver-Beschicken von der Brücke 21 an drei Seiten umge- teilung des Beschickungsmaterials im Elektrodenbeben. An den Stützen 2 des Rahmens 1 sind Fahrge- reich ermöglicht. As shown in FIGS. 1 and 2, the main part, as can be seen from FIG. 2, is in the furnace Loading device a mobile loading lid 19 provided loading openings 18 in Kungsbrücke 21 with a U-shaped in plan the corner points of an imaginary triangle on which Frame 1. In the front view (Fig. 1) as well as in the sides, the horizontal projections of three electrodes The top view (Fig. 2) is of the electric furnace 6 at the bottom 20. This is an optimal supply from the bridge 21 on three sides redistribution of the charging material in the electrode quake. Driving areas are made possible on the supports 2 of the frame 1.
stelle 3 mit Laufrädern 4 angeordnet Fahrschienen Die Brücke 21 kann vorteilhafterweise auch zumplace 3 with running wheels 4 arranged rails The bridge 21 can advantageously also to
der Fahrbahn 5 sind zu beiden Seiten des Ofens an- Abheben und Verfahren des Ofendeckels 19, z. B.the roadway 5 are on both sides of the furnace lifting and moving the furnace lid 19, z. B.
geordnet. Die Brücke 21 ist mit einem eigenen An- io bei der Schrottbeschickung oder bei Reparaturarbei-orderly. The bridge 21 has its own anio when loading scrap or during repair work.
trieb 14 ausgestattet ten, benutzt werden. Dazu ist die Brücke 21 zusätz-Drive 14 can be used. Bridge 21 is also
Auf drei erhöhten Grundplatten 16, die über der lieh mit Einhängevorrichtungen sowie Hubwerken 22 Plattform 7 angeordnet sind, sind Anschlußstellen für ausgestattet Dadurch wird der Einsatz eines Portals Beschickungsmaterial enthaltende transportable Be- zum Heben und Verfahren des Ofendeckels 19 erhälter 8 vorgesehen. Die Behälter 8 sind mit ange- 15 spartOn three raised base plates 16, which are borrowed with suspension devices and hoists 22 Platform 7 are arranged, connection points are equipped for this makes the use of a portal Transportable loading container containing loading material for lifting and moving the furnace lid 19 8 provided. The containers 8 are saved with 15
schweißten Pratzen 15 ausgestattet, die sich auf den _. . , . . _, ,. . ... ■ t welded claws 15, which are on the _. . ,. . _,,. . ... ■ t
Grundplatten 16 abstützen Während des Verfahrens .Die Arbeitsweise der Beschickungsvorrichtung istSupport base plates 16 during the process. The mode of operation of the loading device is
der Brücke 21 werden die vertikal aufgestellten Be- me f *=*·the bridge 21, the vertically erected loading me f * = * ·
hälter 8 mit HiKe von Haltevorrichtungen 23 auf den Die mit dem Beschickungsmaterial gefüllten BeGrundplatten 16 gesichert. ao halter 8 werden auf der Beladestelle mit Hilfe einesContainers 8 with hooks of holding devices 23 on the base plates filled with the loading material 16 secured. ao holder 8 are on the loading point with the help of a
Unterhalb der Plattform 7 sind drei geschlossene Kranes auf die an dem Brückenrahmen 1 angeord-Schwing-Förderrinnen 9 angeordnet Sie sind mit netea Grundplatten 16 aufgelegt und durch Halteeigenen Antrieben ausgestattet und auf an der Rah- vorrichtungen 23 in ihren Stellungen gesichert. Die menkonstruktion befestigten Laufschienen 10 In Behälter 8 stehen senkrecht. Ihre Ausläufe 13 sind Richtung zur Ofenmitte verfahrbar. Während der 25 nach unten gerichtet Die Förderer 9 sind in ihren Beschickung kann Schutzgas in die Förderer 9 ge- Stellungen nahe dem äußeren Brückenumfang arreblasen werden, um eine eventuelle Reduktion des tiert. Die Brücke 21 wird über das Ofengefäß 6 be-Beschickungsgutes zu vermeiden. wegt, und die Förderer 9 werden in Richtung zurBelow the platform 7 are three closed cranes on the vibrating conveyor troughs arranged on the bridge frame 1 9 They are placed with netea base plates 16 and hold their own Equipped drives and secured on the frame devices 23 in their positions. the Menkonstruktion attached rails 10 in container 8 are vertical. Your outlets are 13 Can be moved towards the center of the furnace. During the 25 downward the conveyors 9 are in their Charging can blow inert gas into the conveyor 9 in positions close to the outer circumference of the bridge be to a possible reduction of the animal. The bridge 21 is loaded via the furnace vessel 6 to avoid. moves away, and the conveyors 9 are in the direction of
Während des Verfahrens der Beschickungsbrücke Ofenachse ausgefahren. In der ausgefahrenen Stellung
21 über den Ofen 6 werden die Förderrinnen 9 zu- 30 werden nun die sich genau übereinander befindlichen
rückgezogen, um genügend Raum für die Elektroden Ausläufe 13 des Behälters 8 und Abfüllstutzen 12 der
20 und deren Halterung frei zu lassen. In der Be- Förderer 9 mit Hilfe von einer Dichtungseinrichtung,
schickungsstellung der Brücke 21 werden die Förder- z. B. Sandtasse, gasdicht miteinander verbunden,
rinnen 9 in Richtung zur Ofenmitte ausgefahren und Dann werden Ausläufe 13 geöffnet, das Beschickungsdort
arretiert. Die Auslässe 11 der Förderer 9 befin- 35 material gelangt in die Schwing-Förderrinne 9 und
den sich dann über den im Ofendeckel 19 vorge- von dort durch die Auslässe 11 und Beschickungssehenen
Beschickungsöffnungen 18, und die Abfüll- öffnungen 18 in den Ofenraum 17.
stutzen 12 der Förderer liegen genau unter den Aus- Nach Beendigung des Beschickungsvorganges wirdThe furnace axis is extended during the movement of the loading bridge. In the extended position 21 over the furnace 6, the conveyor troughs 9 are now withdrawn, which are exactly one above the other, in order to leave enough space for the electrode outlets 13 of the container 8 and filling spouts 12 of the 20 and their holders. In the loading conveyor 9 with the aid of a sealing device, the loading position of the bridge 21, the conveyor z. B. sand cup, gas-tight connected to each other, channels 9 extended towards the middle of the furnace and then outlets 13 are opened, the charging point locked. The outlets 11 of the conveyors 9 are located. Material arrives in the vibrating conveyor trough 9 and then via the infeed openings 18 provided in the furnace cover 19 from there through the outlets 11 and charging points and the filling openings 18 into the furnace chamber 17.
nozzles 12 of the conveyor are exactly below the after completion of the loading process
laufen 13 der Behälter 8. Die Abfüllstutzen 12 der die Brücke 21 vom Ofen 6 zurückgefahren. Die lee-Förderer 9 sind an die Ausläufe 13 der Behälter 9 40 ren Behälter 8 werden gegen neue, gefüllte Behälter mit Hilfe einer Dichtungseinrichtung gegebenenfalls eingetauscht. Die Vorrichtung ist nunmehr für einen Sandtasse, gasdicht anschließbar. weiteren Arbeitsvorgang bereit.13 of the container 8 run. The filling nozzle 12 of the bridge 21 of the furnace 6 is moved back. The Lee Sponsors 9 are to the outlets 13 of the container 9 40 ren container 8 are against new, filled containers exchanged if necessary with the help of a sealing device. The device is now for one Sand cup, can be connected gas-tight. ready for further work.
Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings
Claims (7)
löst. Beim Beschicken soll möglichst vermieden F i g. 1 eine Beschickungsvorrichtung nach der Er-Sponge iron, has not yet been explained in a satisfactory manner according to the drawings. It shows
solves. When loading, F i g should be avoided as much as possible. 1 a loading device after the
bungsluft in Kontakt kommt, weil dann eine uner- F i g. 2 in Draufsicht,that the load with the surrounding area is 65 in the working position, in front view,
practice air comes into contact, because then an un- F i g. 2 in plan view,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712109708 DE2109708B2 (en) | 1971-03-02 | 1971-03-02 | Electric arc melting furnace - with gantry bridge sponge iron charging plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712109708 DE2109708B2 (en) | 1971-03-02 | 1971-03-02 | Electric arc melting furnace - with gantry bridge sponge iron charging plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2109708A1 DE2109708A1 (en) | 1972-09-14 |
| DE2109708B2 true DE2109708B2 (en) | 1973-07-26 |
Family
ID=5800194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712109708 Withdrawn DE2109708B2 (en) | 1971-03-02 | 1971-03-02 | Electric arc melting furnace - with gantry bridge sponge iron charging plant |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2109708B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368676A (en) * | 1980-07-16 | 1983-01-18 | Fmc Corporation | Apparatus for collection of gases and particulates in a furnace feed system |
-
1971
- 1971-03-02 DE DE19712109708 patent/DE2109708B2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2109708A1 (en) | 1972-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHJ | Nonpayment of the annual fee |