DE10149C - Process for refining slag in a rotary furnace for the production of cinder blocks - Google Patents
Process for refining slag in a rotary furnace for the production of cinder blocksInfo
- Publication number
- DE10149C DE10149C DENDAT10149D DE10149DA DE10149C DE 10149 C DE10149 C DE 10149C DE NDAT10149 D DENDAT10149 D DE NDAT10149D DE 10149D A DE10149D A DE 10149DA DE 10149 C DE10149 C DE 10149C
- Authority
- DE
- Germany
- Prior art keywords
- furnace
- production
- rotary furnace
- refining slag
- slag
- 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.)
- Active
Links
- 239000002893 slag Substances 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000007670 refining Methods 0.000 title claims description 5
- 239000003818 cinder Substances 0.000 title claims description 3
- 238000000034 method Methods 0.000 title description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000011449 brick Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/54—Producing shaped prefabricated articles from the material specially adapted for producing articles from molten material, e.g. slag refractory ceramic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Metallurgy (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Description
1879.1879.
Klasse 80.Class 80.
GUSTAV MOYSAN in CHAMPIGNEULLES.GUSTAV MOYSAN in CHAMPIGNEULLES.
Patentirt im Deutschen Reiche vom 30. Mai 1879 ab.Patented in the German Empire on May 30, 1879.
Wenn die Schlacken, wie sie aus dem Hochofen kommen, hinlänglich hämmerbar sind, um sich bei einer gewissen Temperatur. in teigartigem Zustande in Formen pressen zu lassen, so stellt man aus denselben Dachziegel u. dergl.. her, indem man die aus dem Hochofen fliefsende Schlacke in einer Art Kelle aus Eisen auffängt, die die für den zu formenden Gegenstand gerade erforderliche Schlackenmenge aufnehmen kann. Während des kurzen Weges von dem Giefsloch nach der Kelle ist die Schlacke bereits etwas erstarrt und bildet nun einen viereckigen Kuchen, welcher aus der Kelle in die Bodenform gestürzt wird, worauf man sofort das Obergesenk niederläfst und die Pressung vollzieht. Der geprefste Ziegel wird schnell aus der Form genommen und in den Kühlofen gebracht.When the slag, as it comes out of the blast furnace, can be hammered sufficiently to itself at a certain temperature. to be pressed into molds in a doughy state, so one makes roof tiles and the like from the same, by the one flowing out of the blast furnace Catches slag in a kind of iron trowel that is straight for the object to be shaped can absorb the required amount of slag. During the short way from the Giefsloch after the ladle, the slag has already solidified a little and now forms a square cake, which is plunged from the trowel into the bottom form, whereupon the upper die is immediately falls down and the pressing takes place. The pressed brick is quickly removed from the mold and put in the cooling furnace.
Dieser Ofen, welcher die Länge von mindestens 40 Ziegeln haben mufs, besteht aus einer grofsen Anzahl gerader Kanäle von der Breite eines Ziegels. Es sind so viele solcher Kanäle vorhanden, dafs jeder Ziegel bei einer gegebenen Production 40 Stunden in dem Ofen verbleiben kann. Die Wände der Kanäle sind aus feuerfestem Material.This furnace, which must be at least 40 bricks in length, consists of a great number of straight channels the width of a brick. There are so many of them Channels are present so that each brick in a given production 40 hours in the furnace can remain. The walls of the channels are made of refractory material.
Am Eingange des Ofens befindet, sich eine Feuerung, welche diesen Theil des Ofens auf schwacher Rothglühhitze erhält. Die Verbrennung des Brennmaterials mufs unter einem kleinen Ueberdruck stattfinden, derart, dafs kalte Luft von aufsen nicht eindringen kann. Die Kanäle sind in einem Winkel von ungefähr 30 ° geneigt, so dafs die Ziegel selbstthätig gegen den Ausgang hin nachrutschen.At the entrance of the furnace there is a Firing which maintains this part of the furnace on weak red-glowing heat. The burn of the fuel must take place under a small excess pressure, such that cold air cannot penetrate from the outside. The channels are at an approximate angle Inclined 30 ° so that the bricks slide automatically towards the exit.
Man kann sonst auch für den gedachten Zweck jeden anderen Glaskühlofen verwenden.Otherwise, any other glass cooling furnace can also be used for the intended purpose.
In der Regel werden die Schlacken, sowie sie aus dem Hochofen kommen, sich für die beschriebene Fabrikation nicht ohne weiteres eignen, sie werden die hierzu erforderliche Hämmerbarkeit nicht besitzen.As a rule, the slag as soon as it comes out of the blast furnace is used for the The fabrication described is not readily suitable, they become the one required for this Not having hammerability.
Um den Schlacken diese Hämmerbarkeit zu geben, werden die Schlacken der in folgendem beschriebenen Raffination unterworfen.In order to give the slag this malleability, the slags are as shown in the following refining as described.
Der hierzu verwendete Raffinirofen hat eine cylindrische Form, ist aufsen von Eisen und im Innern mit feuerfestem Material gefüttert. An beiden Enden, woselbst die Flamme einu.nd austritt, läuft er enger zu. Er läfst sich um seine horizontal gelegene Längsaxe drehen und wird mit directem Feuer oder durch Gas geheizt. Die abziehende Wärme kann zum Heizen des Kühlofens verwendet werden. Der Ofen dreht sich auf vier Rollen, welche auf einem Wagen angebracht sind, derart, dafs der ganze Ofen nach dem Hochofen hingefahren, dort gefüllt und dann an seine Feuerung zurückgefahren werden kann.The refinery furnace used for this purpose has a cylindrical shape, is made of iron and on the outside Lined with fireproof material inside. At both ends where the flame comes together exits, it runs closer. It can be rotated around its horizontally located longitudinal axis and is heated by direct fire or by gas. The withdrawing heat can be used to Heating the cooling furnace can be used. The oven rotates on four rollers which are on are attached to a carriage in such a way that the whole furnace is driven to the blast furnace, can be filled there and then returned to its furnace.
Wenn ein Ofen gefüllt werden soll, so fährt man ihn an den Hochofen und läfst die Schlacke einfliefsen. Dann bringt man ihn zu . der Feuerung zurück, auf welcher man ein starkes Feuer unterhält. Der Ofen wird alsdann langsam gedreht und unter der. Wirkung der Drehung beginnt das Raffiniren, welches dadurch vollendet wird, dafs man dem Bade Eisengekrätze aus dem Schweifsofen zusetzt. Das eisenhaltige Silicat wirkt hier nach Art der Alkalien, welche man bei der Glasfabrikation verwendet, und verleiht der Masse eine Hämmerbarkeit bei niederer Temperatur, welche dem Formen durch Pressen sehr förderlich ist.When a furnace is to be filled, it is driven to the blast furnace and the slag is removed flow in. Then you bring him to. back to the furnace, on which one has a strong Fire maintains. The furnace is then slowly turned and placed under the. Effect of rotation Refining begins, which is accomplished by adding iron dross to the bath clogs from the welding furnace. The iron-containing silicate acts here like alkalis, which is used in the manufacture of glass, and gives the mass a hammerability low temperature, which is very conducive to molding by pressing.
Will man eine noch vollkommenere Hämmerbarkeit haben, welche für sehr grofse Formstücke erforderlich sein dürfte, .so setzt man dem Bade noch eine gröfsere Menge alkalischer Stoffe zu, entweder in Form von Glasscherben oder eines besonders bereiteten Zuschlages.If one wants an even more perfect hammerability, which for very large shaped pieces It may be necessary to add a larger amount of more alkaline to the bath Substances, either in the form of broken glass or a specially prepared surcharge.
Zu diesem Zwecke schmilzt man ein Gemenge von Schlacke und Alkalien, und zwar mit dem gröfstmöglichen Procentsatze von letzteren, und setzt die so gewonnene Masse dem Bade nach Mafsgabe des zu erreichenden Grades der Hämmerbarkeit zu.For this purpose a mixture of slag and alkalis is melted with the the largest possible percentage of the latter, and add the mass thus obtained to the bath According to the degree of malleability to be achieved.
Von dem eisenhaltigen Gekrätze setzt man möglichst wenig zu, um das Gewicht der geformten Gegenstände nicht allzusehr zu vermehren. Der Zusatz variirt zwischen 10 und 30 pCt.As little as possible of the ferrous dross is added to the weight of the formed Not to multiply objects too much. The addition varies between 10 and 30 pct.
Durch Anwendung geriffelter Formen oder Bestreuen der in der Kelle befindlichen Ziegel mit Sand kann man die Ziegel auf der Oberfläche rauh machen..By using corrugated shapes or by sprinkling the bricks in the trowel sand can be used to make the bricks rough on the surface.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE14187T |
Publications (1)
Publication Number | Publication Date |
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DE10149C true DE10149C (en) |
Family
ID=32602202
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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DENDAT14187D Active DE14187C (en) | Process for refining slag in a rotary furnace for the production of cinder blocks | ||
DENDAT10149D Active DE10149C (en) | Process for refining slag in a rotary furnace for the production of cinder blocks |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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DENDAT14187D Active DE14187C (en) | Process for refining slag in a rotary furnace for the production of cinder blocks |
Country Status (1)
Country | Link |
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DE (2) | DE10149C (en) |
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- DE DENDAT14187D patent/DE14187C/en active Active
- DE DENDAT10149D patent/DE10149C/en active Active
Also Published As
Publication number | Publication date |
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DE14187C (en) |
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