DE1039234B - Process for increasing the performance of pelletizing ores - Google Patents

Process for increasing the performance of pelletizing ores

Info

Publication number
DE1039234B
DE1039234B DEM27182A DEM0027182A DE1039234B DE 1039234 B DE1039234 B DE 1039234B DE M27182 A DEM27182 A DE M27182A DE M0027182 A DEM0027182 A DE M0027182A DE 1039234 B DE1039234 B DE 1039234B
Authority
DE
Germany
Prior art keywords
cooling
performance
increasing
ores
pelletizing
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.)
Pending
Application number
DEM27182A
Other languages
German (de)
Inventor
Dipl-Chem Dr Kurt Meyer
Dipl-Chem Dr Hans Rausch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Priority to DEM27182A priority Critical patent/DE1039234B/en
Publication of DE1039234B publication Critical patent/DE1039234B/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/26—Cooling of roasted, sintered, or agglomerated ores

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

Verfahren zur Leistungssteigerung beim Pelletisieren von Erzen In der Patentanmeldung M 21530 VI/ 18a ist ein Verfahren zur Leistungssteigerung beim Pelletisieren von Erzen beschrieben, das im wesentlichen darin besteht, den Anteil der Wanderrostfläche, der bisher für die Vortrocknung verwendet wurde, dadurch für das eigentliche Vorbrennen und Brennen nutzbar zu machen, daß die Vortrocknung vom Wanderrost auf einen eigenen Vortrocknungsapparat verlegt wird. BesondereAusführungsformen dieserErindung sehen vor, als Vortrockenapparat solche Vorrichtungen zu verwenden, die im Rahmen des Gesamtprozesses ohnehin notwendig sind, wie z. B. Aufgabebänder oder Aufgahebunker.Process for increasing the performance of pelletizing ores In the patent application M 21530 VI / 18a is a process for increasing the performance of Pelletizing of ores described, which essentially consists in the proportion the traveling grate that was previously used for pre-drying, thereby for to make the actual pre-firing and firing usable that the pre-drying of Traveling grate is laid on its own pre-drying device. Special designs this invention provide to use such devices as the pre-drying apparatus, which are already necessary as part of the overall process, such as B. Feed belts or loading bunker.

Gemäß der Erfindung wird die Leistung des Sinterbandes dadurch weiter gesteigert, daß auch der für die Kühlung der fertig gebrannten Pellets gebrauchte Anteil der Wanderrostfläche für das eigentliche Brennen nutzbar gemacht wird, indem die Kühlung vom Wanderrost auf einen eigenen Kühlapparat verlegt wird. Da die thermische Beanspruchung der Kühlvorrichtung wenigstens zeitlich nicht so groß ist wie die des Wanderrostes beim Brennen, ist es schon aus diesem Grund möglich, die Kühlvorrichtung einfacher zu gestalten. Außerdem haben die fertig gebrannten Pellets bereits eine so hohe Festigkeit erreicht, daß eine derartige schonende Behandlung wie auf dem Wanderrost nicht mehr notwendig ist. Daher ist es möglich, für die Kühlung einfachere Apparate, z. B. einen Kühlschacht oder eine Kühltrommel zu verwenden.According to the invention, the performance of the sintered belt is thereby enhanced increased that also the one used for cooling the finished fired pellets Proportion of the traveling grate surface is made usable for the actual burning by the cooling from the traveling grate is relocated to its own cooling device. Since the thermal Stress on the cooling device is not as great as that, at least in terms of time the traveling grate when burning, it is possible for this reason alone to use the cooling device easier to design. In addition, the finished fired pellets already have one so high strength achieved that such a gentle treatment as on the Traveling grate is no longer necessary. Therefore, it is possible for simpler cooling Apparatus, e.g. B. to use a cooling shaft or a cooling drum.

Dadurch wird der weitere Vorteil erzielt, daß die Kühlung statt im Kreuzstrom, im Gegenstrom durchgeführt werden kann, wodurch die erwärmte Kühlluft mit höherer Temperatur anfällt, so daß ihre Abwärme besser ausgewertet werden kann, sowie daß kleinere Kühlluftmengen notwendig sind, was eine Entlastung der Gebläse bedeutet.This has the further advantage that the cooling instead of in the Cross-flow, counter-flow can be carried out, creating the heated cooling air occurs at a higher temperature so that its waste heat can be better evaluated, and that smaller amounts of cooling air are necessary, which relieves the fan means.

Außerdem wurde gefunden, daß die Pellets bei der Kühlung im Gegenstrom meist fester werden als bei der Kühlung im Gleich- oder Kreuzstrom.It was also found that the pellets in the cooling in countercurrent are usually more solid than when cooling in cocurrent or cross-flow.

Claims (3)

PATENTANSPRÜCHE: 1. Verfahren zur Leistungssteigerung beim Pelletisieren von Erzen nach Patentanmeldung M 21530 V1/ 18a, dadurch gekennzeichnet, daß auch die Kühlung der fertig gebrannten Pellets in einem eigenen Kühlapparat im Gegenstrom erfolgt. PATENT CLAIMS: 1. Process for increasing pelletizing performance of ores according to patent application M 21530 V1 / 18a, characterized in that also cooling of the finished pellets in a separate cooling device in countercurrent he follows. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Kühlapparat ein Kühlschacht verwendet wird. 2. The method according to claim 1, characterized in that as a cooling apparatus a cooling shaft is used. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Kühlapparat eine Kühltrommel verwendet wird. In Betracht gezogene Druckschriften: Deutsche Patentschrift Nr. 926 774; schweizerische Patentschrift Nr. 228 396.3. The method according to claim 1, characterized in that that a cooling drum is used as a cooling device. Considered publications: German Patent No. 926 774; Swiss patent specification No. 228 396.
DEM27182A 1955-05-23 1955-05-23 Process for increasing the performance of pelletizing ores Pending DE1039234B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM27182A DE1039234B (en) 1955-05-23 1955-05-23 Process for increasing the performance of pelletizing ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM27182A DE1039234B (en) 1955-05-23 1955-05-23 Process for increasing the performance of pelletizing ores

Publications (1)

Publication Number Publication Date
DE1039234B true DE1039234B (en) 1958-09-18

Family

ID=7300044

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM27182A Pending DE1039234B (en) 1955-05-23 1955-05-23 Process for increasing the performance of pelletizing ores

Country Status (1)

Country Link
DE (1) DE1039234B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013871A1 (en) * 1979-01-30 1980-08-06 VOEST-ALPINE Aktiengesellschaft Process and apparatus for cooling burnt material such as sinters or pellets

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH228396A (en) * 1942-08-22 1943-08-31 Holderbank Cement Device for the heat treatment of goods of various kinds, in particular for burning cement, alkaline earth carbonates, e.g. B. lime, magnesite and dolomite.
DE926774C (en) * 1951-02-16 1955-04-25 Metallgesellschaft Ag Device for the treatment of hot goods

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH228396A (en) * 1942-08-22 1943-08-31 Holderbank Cement Device for the heat treatment of goods of various kinds, in particular for burning cement, alkaline earth carbonates, e.g. B. lime, magnesite and dolomite.
DE926774C (en) * 1951-02-16 1955-04-25 Metallgesellschaft Ag Device for the treatment of hot goods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013871A1 (en) * 1979-01-30 1980-08-06 VOEST-ALPINE Aktiengesellschaft Process and apparatus for cooling burnt material such as sinters or pellets

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