DE390937C - Device for internal heating of furnace furnaces for hardening, tempering, annealing, quenching and melting - Google Patents
Device for internal heating of furnace furnaces for hardening, tempering, annealing, quenching and meltingInfo
- Publication number
- DE390937C DE390937C DEE28588D DEE0028588D DE390937C DE 390937 C DE390937 C DE 390937C DE E28588 D DEE28588 D DE E28588D DE E0028588 D DEE0028588 D DE E0028588D DE 390937 C DE390937 C DE 390937C
- Authority
- DE
- Germany
- Prior art keywords
- tempering
- hardening
- annealing
- quenching
- melting
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
Description
Vorrichtung zur Innenbeheizung von Wannenöfen zum Härten, Anlassen, Glühen, Vergüten und Schmelzen. . Bei den bekannten Vorrichtungen zum Erhitzen der Wannen für Härte-, Anlaß-, Glüh-und Vergütungsverfahren sind bei einem verhältnismäßig hohen Brennstoffverbrauch die Wannen in kurzer Zeit durchgebrannt.Device for internal heating of tank furnaces for hardening, tempering, Annealing, quenching and tempering and melting. . In the known devices for heating the Troughs for hardening, tempering, annealing and tempering processes are proportionate to one high fuel consumption burned out the tubs in a short time.
Müssen in der Wanne erstarrte Stoffe erneut geschmolzen werden, so kann es bei zu schneller Erwärmung häufig vorkommen, daß die Wannen am Boden aufplatzen. In die erstarrende Masse eingesteckte konische Stöpsel können dies nicht immer verhindern..If substances that have solidified in the tub have to be melted again, see this If heated too quickly, it can often happen that the tubs burst open on the floor. Conical plugs inserted into the solidifying mass cannot always prevent this.
Der Ersatz -der Wannen und gegebenenfalls der Verlust des Wanneninhaltes bedingt naturgemäß einen bedeutenden Kostenaufwand, der unter Umständer. die Verwendung in Frage steilt.The replacement of the tubs and, if necessary, the loss of the contents of the tub naturally entails a significant cost outlay, which under certain circumstances. the usage in question.
Nach "der Erfindung wird ein Durchbrennen der Wannen dadurch ausgeschlossen, daß das in der Feuerungstechnik an sich bekannte Prinzip' der Innenheizung zur Verwendung kommt.According to "the invention, the tubs will not burn through, that the principle of internal heating, which is known per se in combustion technology, is used comes.
In der Zeichnung ist eine beispielsweise Ausführung der -Vorrichtung dargestellt. Auf dem Mauerwerk A ruht die Wanne B, die zweckmäßigerweise mit einer Isolierschicht C umkleidet ist.In the drawing, an example embodiment of the device is shown. The tub B, which is expediently covered with an insulating layer C, rests on the masonry A.
' Die Füllung der Wanne wird! durch die für die beabsichtigte Erwärmung erforderlichen Temperaturen bestimmt.'The tub will be filled! by that for the intended warming required temperatures.
Die Vorrichtung ist als Rauchrohrfeuerung ausgebildet und! besitzt einen außerhalb der Wanne liegenden sichtbaren und infolgedessen leicht kontrollierbaren Brenner D. Die Heizgase werden in möglichst sanft gekrümmten Rohren E am Boden der @V'anne entlanggeführt und entweichen durch das Abzugsrohr F.The device is designed as a smoke pipe and! owns one that is visible outside the tub and therefore easily controllable Burner D. The heating gases are curved as gently as possible Pipes E are guided along the bottom of the @ V'anne and escape through the flue pipe F.
Die Rohre können glatt, mit Rippen oder Wulsten versehen sein. Das für die Rohre und gegebenenfalls für ihre Auskleidung zu verwendende Material richtet sich nach den Bestandteilen des Wanneninhaltes und den erforderlichen Temperaturen.The tubes can be smooth, ribbed or beaded. That for the pipes and, if necessary, the material to be used for their lining according to the components of the tank contents and the required temperatures.
Der Brenner kann mit jedem beliebigen Brennstoff, C31, Gas o. dgl., gespeist werden: auch kann elektrische Heizung verwendet werden.The burner can be operated with any fuel, C31, gas or the like. powered: electrical heating can also be used.
Wird im Laufe der Zeit ein Rohr schadhaft, so dringt der Inhalt der Wanne in das Rohr, worauf die Flamme sofort zurückschlägt, ohne weiteren Schaden anzurichten. Durch Einsetzen eines Ersatzrohres kann in einigen Minuten die Störung behoben werden.If a pipe becomes damaged over time, the contents of the penetrate Tub in the pipe, whereupon the flame flashes back immediately, without further damage to prepare. By inserting a replacement pipe, the fault can be eliminated in a few minutes be resolved.
Da das Durchbrennen stets unter der Oberfläche des Wanneninhaltes, also unter Luftabschluß erfolgt, so ist selbst bei Verwendung von C31 oder anderen brennbaren Stoffen eine Entzündung des 'Wanneninhaltes ausgeschlossen. Die im schlimmsten Falle im Rohr zum Aufflammen kommende Menge reicht in keinem Falle zur Zersetzung der, Bestandteile aus. Bei Anwendung der elektrischen Heizung sind die Rohre beinahe unbegrenzt haltbar. Die seither sehr hohen Ausgaben für das Umsetzen der Wannen und Brenner fallen bei der vorliegenden Anordnung ganz weg. _ .Since the burning through is always below the surface of the tank contents, This is done with the exclusion of air, even when using C31 or others inflammation of the contents of the tank is excluded. The worst If the amount flares up in the pipe, it is in no way sufficient for decomposition der, components from. When using electric heating, the pipes are almost Shelf life indefinitely. The very high expenses for moving the tubs since then and burners are completely eliminated in the present arrangement. _.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEE28588D DE390937C (en) | 1922-10-13 | 1922-10-13 | Device for internal heating of furnace furnaces for hardening, tempering, annealing, quenching and melting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEE28588D DE390937C (en) | 1922-10-13 | 1922-10-13 | Device for internal heating of furnace furnaces for hardening, tempering, annealing, quenching and melting |
Publications (1)
Publication Number | Publication Date |
---|---|
DE390937C true DE390937C (en) | 1924-03-03 |
Family
ID=7073428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEE28588D Expired DE390937C (en) | 1922-10-13 | 1922-10-13 | Device for internal heating of furnace furnaces for hardening, tempering, annealing, quenching and melting |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE390937C (en) |
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