AT216031B - Device for the formation of a suspension of solid, powdery substances in a carrier gas for the purpose of introduction into a metal bath - Google Patents

Device for the formation of a suspension of solid, powdery substances in a carrier gas for the purpose of introduction into a metal bath

Info

Publication number
AT216031B
AT216031B AT933259A AT933259A AT216031B AT 216031 B AT216031 B AT 216031B AT 933259 A AT933259 A AT 933259A AT 933259 A AT933259 A AT 933259A AT 216031 B AT216031 B AT 216031B
Authority
AT
Austria
Prior art keywords
carrier gas
introduction
suspension
solid
formation
Prior art date
Application number
AT933259A
Other languages
German (de)
Inventor
Paul Ing Metz
Original Assignee
Arbed
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 Arbed filed Critical Arbed
Application granted granted Critical
Publication of AT216031B publication Critical patent/AT216031B/en

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  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Treating Waste Gases (AREA)

Description

  

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  Vorrichtung zur Bildung einer Suspension fester, pulverförmiger Stoffe in einem Träger- gas zum Zwecke der Einführung in ein Metallbad 
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   Die Platte 15 und die   Düsen) 16   werden durch die Leitung 17 versorgt, jedoch kann dies ebenso aus der Hauptleitung erfolgen. 



   Wenn die Speisung der Leitung 1 ausfällt, so fällt in der Leitung 17 der Druck rasch auf einen sehr kleinen Wert, während es einige Zeit dauert, bis der Druck in der Leitung 20 abnimmt. Im Augenblick des Ausfalles   öffnet   sich das Einwegventil 18 für den Durchtritt von Gas, welches sich unter Druck in der Leitung 20 und im Oberteil des Behälters befindet. Dadurch bildet sich in der Leitung 17 ein gewisser Gasdruck aus, welcher zur Beaufschlagung der verschiedenen porösen Platten und Düsen für eine gewisse Zeit nach dem Ausfall des Gasdruckes in der Leitung 1 ausreicht. Es besteht dann keine Gefahr, dass sich verschiedene Teile im Verlaufe des Fliessens des pulverförmigem Materials verstopfen könnten. 



    PATENTANSPRÜCHE :   
1. Vorrichtung zur Bildung einer Suspension fester, pulverförmiger Stoffe in einem Trägergas zum Zwecke der Einführung in ein Metallbad, dadurch gekennzeichnet, dass die Trägergashauptleitung, welche eine Venturidüse oder eine andere Düse speist, die an einer Stelle angeordnet ist, wo das pulverförmige Material in den Gasstrom eingeführt wird, mit einem regelbaren Ventil ausgestattet ist, vor welchem die das Absetzen und Hängen verhindernden Einrichtungen und nach welchem eine Leitung grossen Querschnittes, die im Oberteil des Vorratsbehälters für das pulverförmige Material mündet, angeschlossen sind.



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  Device for the formation of a suspension of solid, powdery substances in a carrier gas for the purpose of introduction into a metal bath
 EMI1.1
 

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   The plate 15 and the nozzles 16 are supplied by the line 17, but this can also be done from the main line.



   If the feed to the line 1 fails, the pressure in the line 17 falls rapidly to a very small value, while it takes some time for the pressure in the line 20 to decrease. At the moment of failure, the one-way valve 18 opens for the passage of gas which is under pressure in the line 20 and in the top of the container. This creates a certain gas pressure in line 17, which is sufficient to act on the various porous plates and nozzles for a certain time after the gas pressure in line 1 has failed. There is then no risk that various parts could become clogged in the course of the flow of the powdery material.



    PATENT CLAIMS:
1. Device for forming a suspension of solid, powdery substances in a carrier gas for the purpose of introduction into a metal bath, characterized in that the carrier gas main line, which feeds a Venturi nozzle or another nozzle, which is arranged at a point where the powdery material in the gas flow is introduced, is equipped with a controllable valve, in front of which the devices preventing settling and hanging and after which a line of large cross-section, which opens into the upper part of the storage container for the powdery material, is connected.

 

Claims (1)

2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die das Absetzen und Hängen verhindernden Einrichtungen mit Leitungen kleinen Querschnittes an die Trägergashauptleitung angeschlossen sind. 2. Device according to claim 1, characterized in that the devices preventing the settling and hanging are connected to the main carrier gas line with lines of small cross section. 3. Vorrichtung nach Anspruch l, dadurch gekennzeichnet, dass die im Oberteil des Vorratsbehälters mündende Leitung mindestens einen der Düse des Einblasrohres gleichen Querschnitt aufweist. 3. Apparatus according to claim l, characterized in that the line opening into the upper part of the storage container has at least one of the nozzle of the injection pipe having the same cross section.
AT933259A 1959-07-13 1959-12-23 Device for the formation of a suspension of solid, powdery substances in a carrier gas for the purpose of introduction into a metal bath AT216031B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE216031X 1959-07-13

Publications (1)

Publication Number Publication Date
AT216031B true AT216031B (en) 1961-07-10

Family

ID=3866021

Family Applications (1)

Application Number Title Priority Date Filing Date
AT933259A AT216031B (en) 1959-07-13 1959-12-23 Device for the formation of a suspension of solid, powdery substances in a carrier gas for the purpose of introduction into a metal bath

Country Status (1)

Country Link
AT (1) AT216031B (en)

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