DE747742C - Suspension of the removable lid of arc furnaces - Google Patents

Suspension of the removable lid of arc furnaces

Info

Publication number
DE747742C
DE747742C DED74880D DED0074880D DE747742C DE 747742 C DE747742 C DE 747742C DE D74880 D DED74880 D DE D74880D DE D0074880 D DED0074880 D DE D0074880D DE 747742 C DE747742 C DE 747742C
Authority
DE
Germany
Prior art keywords
ring
cover
suspension
arc furnaces
vault
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
Application number
DED74880D
Other languages
German (de)
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 filed Critical
Priority to DED74880D priority Critical patent/DE747742C/en
Application granted granted Critical
Publication of DE747742C publication Critical patent/DE747742C/en
Expired legal-status Critical Current

Links

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
    • F27B3/12—Working chambers or casings; Supports therefor
    • 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, removable covers
    • F27D1/1808—Removable covers
    • F27D1/1816—Removable covers specially adapted for arc furnaces

Description

Aufhängung der abhebbaren Deckel von Lichtbogenöfen Das aus feuerfesten Steinen oder Stampf- ntasse gebildete, meist kreisrunde Gewölbe an Lichtbogenöfen wird in der Regel durch einen Ring aus Profileisen oder Stahlguß zusatn- tnen-ehalten. Bei größeren Deckeln dieser Art wird der Ring mehrteilig, und -(.war hei Drehstrombetricb meist dreiteilig ausgeführt. I)ic einzelnen Ringseglucnte werden durch Schrauben zusammengehalten. !-)a der Stein- tN-erl:stott des Gewölbes sich 1tci (leg Hrhit- zun;; ausdehnt. werden unter die Muttern (fieser Schrauhen elastische o(lcr lt:tcllgivi)i"e Mittel gelegt, z.11. I.,edern, Ilartholz. l')lei o. (1g1. Solange rle#r I)ccl<cl auf (lern Ofetl aufliegt. genügt <fiese Verbindung (leg einzelnen Pittg- sc-lnente. In tteucrer Zeit jedoch sind Üten gebaut worden, frei tvclclictl (leg 1)ecl:el nach ;edel` Charge abgellobult wird, t1111 (1c11 Ofen von ollen beschickclt zu können. Da; .\1I- heben des Deckels geschieht durch Huborgane. wie z. B. Ketten oder Zugstangen. Es ist nun mit Schwierigkeiten verbunden, eine große Zahl solcher Zugorgane an (lern Deckel ztt @'t'1'\\'t.'Itdelt u11(1 zu (lern Deckelhubwerk hinzu- leiten; (lie Anzahl der Zugorgane ist prak- ti,ih eilg bt,-renzt. In der Regel wird inan den Deckel :in dr(-i oder vier Punkten auf- h:ingen miis,en. I):lltei er-illt sich min (furch (lie narhgieltige @"erltin(lung (leg 1)t'ckelrittg- ,(#,'mcntc u tttemina»@lrr dir t @if:tl» -. dal3 die kreisfürmigett hin@r:@'@;turate (luriltlüingmt »»(1 >1C11 gl'ge`llllllel' 1l11'('1' 11<il'illale'II I.ac# \"t'I'#illit'_ Itcit, wodurch (las ,teittente t ietviiliteei:ihr:lit wird. 1)ic,er Gefahr- er@in- (ltllt-sgC' (le,. au, (le#ttt frei tr:l@ell#lett t;u- tvüll>e tnt(f (1i»1 nteltrtwii:;mt ,#:mit@t@-1:@mt Ri»g I>e,lelt(#o(le I teil<cl .(,l (-@; (#:1t w;1((<11 Riltg attfgell:itlt @@@Icr .1#.;t ,:@ .( 1t .(@:t:;(I(#@t. der seinerseits an dein zum Anheben des Dekkels vorgesehenen Hebezeug aufgehängt ist. Der Deckel kann nunmehr all dein starren Ring all beliebig vielen Punkten aufgehängt oder bei -\uflegung auf den starren Ring auf seinem ganzen Umtang unterstützt werden.Suspension of the removable lid of electric arc furnaces Made of refractory bricks or rammed Wet formed, mostly circular vaults Arc furnaces are usually run by a Add a ring made of profile iron or cast steel tnen-hold. With larger lids this Art the ring is made up of several parts, and - (. Was hot Three-phase electricb mostly designed in three parts. I) ic individual rings are decorated by Screws held together. ! -) a the stone tN-erl: stott of the vault itself 1tci (leg Hrhit- to ;; expands. be under the nuts (nasty screwing elastic o (lcr lt: tcllgivi) i "e Funds placed, z.11. I., edern, Ilartholz. l ') lei o. (1g1. As long as rle # r I) ccl <cl on (learn Ofetl is on. is enough <nasty connection (put individual Pittg- sc-lnente. In expensive times, however, there are exercises been built, free tvclclictl (leg 1) ecl: el nach ; noble` batch is declared, t1111 (1c11 furnace to be able to be fed from ollen. There; . \ 1I- lifting of the lid is done by lifting devices. such as B. chains or tie rods. It is now associated with difficulties, a big one Number of such pulling organs (learn cover ztt @ 't'1' \\ 't.'Itdelt u11 (1 to (learn lid hoist conduct; (The number of pulling organs is practically ti, ih hurry bt, -renzt. Usually inan the lid: in dr (-i or four points on- h: ingen miis, en. I): lltei expires min (furch (lie narhgieltige @ "Erltin (lung (leg 1) t'ckelrittg- , (#, 'mcntc u tttemina »@lrr dir t @if: tl» -. dal3 die Kreisfürmigett hin @ r: @ '@; turate (luriltlüingmt »» (1 > 1C11 gl'ge`llllllel '1l11'('1' 11 <il'illale'II I.ac # \ "t'I '# illit'_ Itcit, whereby (las, teittente t ietviiliteei: you: lit will. 1) ic, he danger- he @ in- (ltllt-sgC '(le,. au, (le # ttt free tr: l @ ell # lett t; u- tvüll> e tnt (f (1i »1 nteltrtwii:; mt, #: with @ t @ -1: @mt Ri »g I> e, lelt (#o (le I part <cl. (, L (- @; (#: 1t w; 1 ((<11 Riltg attfgell: itlt @@@ Icr .1 # .; t,: @. (1t. (@: T:; (I (# @ t. which in turn is suspended from your hoist intended to raise the lid. The lid can now be hung up on all your rigid ring at any number of points or supported over its entire circumference when it is placed on the rigid ring.

Ausführutlgsrnöglichkeiten der beiden erwähnten Bartarten sind in der Zeichnung jlt; den Abb. t und = dargestellt.Details of the two types of beard mentioned are given in the drawing jlt; Fig. t and = shown.

Mit a ist <las in beiden Abb. I und st81g nerne Deckelgewölbe eines Ofens b bezeic@l riet. Das Gewölbe a wird durch den Deckelring c. der aus mehreren Segmenten gebildet wird, zusammengehalten. Die Segmente sind unter sich durch abgefederte Schrauben d miteinander verbunden. Der aus den geliannteri Teilen gebildete Deckel wirkt in beiden Millen rlrt einem besonderen Tragring f zusarnrnen, der voll den angedeuteten Ketten ä eines nicht dargestellten Hebezeuges getragen bzw. gehoben arid -esenkt wird. In Abb. i ist der Deckelring c durch eine-Vielzahl von Ketten e reit dein Tragring f verbunden. während bei der Ausführung nach Abb: 2 der Ring feinen nach innen gerichteten Tragrand h aufweist, auf welchem der Deckelring c, der (las Mauer-«-crk a zusammenhält, aufstellt.With a <las in both Fig. I and the stern cover vault is one Ofens b bezeic @ l advised. The vault a is through the cover ring c. of several Segments is formed, held together. The segments are cushioned among themselves Screws d connected together. The lid formed from the geliannteri parts acts in both millennia together with a special support ring f, which fully indicated chains ä of a hoist, not shown, carried or lifted arid is lowered. In Fig. I, the lid ring c is supported by a multitude of chains e riding your support ring f connected. while in the execution according to Fig: 2 the ring has fine inwardly directed support rim h, on which the cover ring c, who (read wall - «- crk a holds together, sets up.

Aus Abb. 2 ist ersichtlich, daß (leg Ring f gleichzeitig als "Tuchglocke für (nie Sandalt dichturig lt dient. Bei (leg Ausführung nach :\lil>, i ist diese Glocke an. der unteren Aufsetzfläche des Ringes c aneordnet.. From Figure 2 it is seen that (leg ring never f at the same time as "cloth bell for (Sandalt is tightly urig lt leg At (embodiment according to:. \ Lil>, i this bell is at the lower seating surface of the ring c aneordnet..

Claims (1)

PATENTANSPRÜCHE: i. Aufhängung der abliebbaren Deckel von Lichtbogenöfen, deren aus feuerfesten Steinen oder Stampfrnasse bestellendes frei tragendes Gewölbe durch einen mehrteiligen Ring aus Profileisen zusammengehalten wird, dadurch gekennzeichnet. (iaß der aus dem Gewölbe (a) und denn mehrteiligen Ring (c) bestehende Deckel all einem starren Ring (f) aufgehängt ist oder auf diesem lose aufliegt, der seinerseits all dein zum Abheben des Deckels vorgesehenen I-Iebeieug aufgehiingt ist. Aufhängung nach Anspruch i, da-.durch gekennzeichnet, (laß bei Aufsetzen des Deckels auf den Zwischenring dieser nlit seinem unteren Teil in die Sandtasse (h) eilitaucht. Zur Abgrenzung des Anmeldungsgegenstandes vom Stand der Technik sind rni Erteilungsverfahren folgende Druckschriften in Betracht gezogen worden: USA.-Patentschriften .... N r. i 77",776, 3 0q3 187; deutsche Patentschrift . . . . - ;-t8 602 schweizerische Patentschrift - 182 j5.22.
PATENT CLAIMS: i. Suspension of the lids of electric arc furnaces, which can be set off, whose cantilevered vault, which is made of refractory bricks or rammed earth, is held together by a multi-part ring made of profile iron, characterized. (In other words, the cover, consisting of the vault (a) and the multi-part ring (c), is suspended from a rigid ring (f) or rests loosely on it, which in turn is suspended from all the parts intended for lifting the cover Claim i, characterized in that, when the cover is placed on the intermediate ring, the lower part of the latter is immersed in the sand cup (h). To distinguish the subject of the application from the prior art, the following documents have been considered for the granting procedure: USA patents .... N o. i 77 ", 776, 3 0q3 187; German patent specification. . . . -; -t8 602 Swiss patent specification - 182 j5.22.
DED74880D 1937-03-17 1937-03-17 Suspension of the removable lid of arc furnaces Expired DE747742C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED74880D DE747742C (en) 1937-03-17 1937-03-17 Suspension of the removable lid of arc furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED74880D DE747742C (en) 1937-03-17 1937-03-17 Suspension of the removable lid of arc furnaces

Publications (1)

Publication Number Publication Date
DE747742C true DE747742C (en) 1944-10-11

Family

ID=7061791

Family Applications (1)

Application Number Title Priority Date Filing Date
DED74880D Expired DE747742C (en) 1937-03-17 1937-03-17 Suspension of the removable lid of arc furnaces

Country Status (1)

Country Link
DE (1) DE747742C (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1778776A (en) * 1922-12-21 1930-10-21 American Arch Company Inc Furnace roof
DE548602C (en) * 1930-12-25 1932-04-14 Emil Bednarsky Device for producing and inserting vaulted belts for Siemens-Martin-OEfen
CH182522A (en) * 1935-02-16 1936-02-15 Sulzer Ag Electric furnace lid.
US2052187A (en) * 1935-07-16 1936-08-25 Electric Furnace Co Method and apparatus for heat treating ingots

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1778776A (en) * 1922-12-21 1930-10-21 American Arch Company Inc Furnace roof
DE548602C (en) * 1930-12-25 1932-04-14 Emil Bednarsky Device for producing and inserting vaulted belts for Siemens-Martin-OEfen
CH182522A (en) * 1935-02-16 1936-02-15 Sulzer Ag Electric furnace lid.
US2052187A (en) * 1935-07-16 1936-08-25 Electric Furnace Co Method and apparatus for heat treating ingots

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