DE202004009704U1 - Device for granulation of molten slags, especially blast furnace slags, comprising a slag channel, ultrasonic spray nozzles and a closed chamber - Google Patents
Device for granulation of molten slags, especially blast furnace slags, comprising a slag channel, ultrasonic spray nozzles and a closed chamber Download PDFInfo
- Publication number
- DE202004009704U1 DE202004009704U1 DE202004009704U DE202004009704U DE202004009704U1 DE 202004009704 U1 DE202004009704 U1 DE 202004009704U1 DE 202004009704 U DE202004009704 U DE 202004009704U DE 202004009704 U DE202004009704 U DE 202004009704U DE 202004009704 U1 DE202004009704 U1 DE 202004009704U1
- Authority
- DE
- Germany
- Prior art keywords
- nozzles
- slag
- nozzle
- slags
- chamber
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/10—Slag pots; Slag cars
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/072—Tanks to collect the slag, e.g. water tank
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Granulation flüssige Schlacken, insbesondere Hochofenschlacken, zum Zweck ein Schlackenpulver erzeugen und kann ergänzend zu stehenden im Betrieb Granulationsanlagen verwendet werden.The The invention relates to a device for granulating liquid slags, especially blast furnace slag, for the purpose of producing a slag powder and can be complementary granulation systems used in operation.
An
bekannten und stehenden im Betrieb Vorrichtungen zur Granulation
Hochofenschlacken mittels viel Wasser, zum Beispiel der Firma P.Wurth, wird
der Schlackensand mit einen breites bis 4,0mm Kornspektrum und hohen
Wassergehalt hergestellt. Die Herstellung des Schlackenpulvers erfordert
zusätzlich
die Trocknung und Ausmahlung des Schlackensandes. Die deutsche Patentschrift
Die
deutschen Offenlegungsschriften
Aufgabe der Erfindung ist es, eine Vorrichtung zur Verfügung zu stellen, mit deren Hilfe es möglich ist, Schlacke aus dem flüssigen Zustand kontinuierlich in einen Zustand zu überführen, in dem die Schlacke als das glasige Schlackenpulver vorliegt. Erfindungsgemäß ist hierzu eine Vorrichtung zur Granulation flüssiger Schlacken vorgesehen, in der aus der Luft und einer begrenzter Menge des Wassers eine zweiphasige Nebelüberschallströmung erzeugt ist, mittels deren die flüssige Schlacke an einzelne pulvrige Teilchen augenblicklich zerrissen ist. Dann die Teilchen sind schwebend in der entstandene feuchte Luftströmung (Luft-Dampf-Gemisch) fortgetrieben, abgekühlt und im Multizyklon injiziert, in dem aus der Luftströmung getrennt werden.task the invention is to provide a device with which Help it possible is slag from the liquid Condition to continuously convert to a state in which the slag as the glassy slag powder is present. According to the invention a device for granulating liquid slags is provided, in which one from the air and a limited amount of water two-phase supersonic flow is generated, by means of which the liquid Slag instantly torn to powdery particles is. Then the particles are floating in the resulting damp airflow (Air-steam mixture) expelled, cooled and injected in the multicyclone, in which from the air flow be separated.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der Beschreibung im Zusammenhang mit der Zeichnung. In der Zeichnung zeigt die einzige Figur eine schematische Ansicht einer erfindungsgemäßen Vorrichtung zur Granulation flüssigen Schlacken.Further Features and advantages of the invention result from the claims and the description in connection with the drawing. In the drawing the single figure shows a schematic view of a device according to the invention liquid for granulation Slags.
Die
Vorrichtung besteht aus einer geschlossener Kammer
Die
Einspritz- Überschalldüse
Zwei
Auffangbehälter
Ein
Ausführungsbeispiel
der Erfindung wird anhand der
Der
Druck im Wasserrohr
Beim
Aufprall der Strömungen
wird die Schlacke augenblicklich (explosionsähnlich) an einzelne feine und
abgekühlte
bis etwa 700°C
Teilchen zerrissen. Die feinen Teilchen werden schwebend in der
entstandenen feuchten Luftströmung
fortgetrieben und dabei bis etwa 150°C abgekühlt. Die schweren Teilchen
mit Korngroße
mehr als 100μm
werden in zwei Auffangbehälter
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004009704U DE202004009704U1 (en) | 2004-06-16 | 2004-06-16 | Device for granulation of molten slags, especially blast furnace slags, comprising a slag channel, ultrasonic spray nozzles and a closed chamber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004009704U DE202004009704U1 (en) | 2004-06-16 | 2004-06-16 | Device for granulation of molten slags, especially blast furnace slags, comprising a slag channel, ultrasonic spray nozzles and a closed chamber |
Publications (1)
Publication Number | Publication Date |
---|---|
DE202004009704U1 true DE202004009704U1 (en) | 2004-09-30 |
Family
ID=33103849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202004009704U Expired - Lifetime DE202004009704U1 (en) | 2004-06-16 | 2004-06-16 | Device for granulation of molten slags, especially blast furnace slags, comprising a slag channel, ultrasonic spray nozzles and a closed chamber |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE202004009704U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100453655C (en) * | 2006-10-11 | 2009-01-21 | 中冶华天工程技术有限公司 | Blastfurnace slag combined treating system |
WO2011109993A1 (en) * | 2010-03-08 | 2011-09-15 | 中冶建筑研究总院有限公司 | Steel slag self-slaking device using residual heat and pressure and method thereof |
CN107058654A (en) * | 2017-03-01 | 2017-08-18 | 武汉科技大学 | Blast furnace slag ultrasonic flushing device |
-
2004
- 2004-06-16 DE DE202004009704U patent/DE202004009704U1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100453655C (en) * | 2006-10-11 | 2009-01-21 | 中冶华天工程技术有限公司 | Blastfurnace slag combined treating system |
WO2011109993A1 (en) * | 2010-03-08 | 2011-09-15 | 中冶建筑研究总院有限公司 | Steel slag self-slaking device using residual heat and pressure and method thereof |
CN107058654A (en) * | 2017-03-01 | 2017-08-18 | 武汉科技大学 | Blast furnace slag ultrasonic flushing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20041104 |
|
R156 | Lapse of ip right after 3 years |
Effective date: 20080101 |