DE511463C - Screwless attachment of the scrapers to agitators in sulfatoefs - Google Patents
Screwless attachment of the scrapers to agitators in sulfatoefsInfo
- Publication number
- DE511463C DE511463C DEB131169D DEB0131169D DE511463C DE 511463 C DE511463 C DE 511463C DE B131169 D DEB131169 D DE B131169D DE B0131169 D DEB0131169 D DE B0131169D DE 511463 C DE511463 C DE 511463C
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- wedge
- agitators
- scrapers
- scratch
- 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
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/02—Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates; Preparation of bisulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Description
Schraubenlose Befestigung der Kratzer an Rührwerken in Sulfatöfen In mechanischen Sulfatöfen von der Bauart ,des sogenannten Mannheimer Ofens, in welchen ,der Arbeitsvorgang bei hohen Temperaturen vor sich geht, bei denen die zu den Rühriverlzen verwendeten Materialien erheblich an Festigkeit verlieren, werden die Kratzer mit Schrauben oder mit einfachen Keilen befestigt. ' Diese Befestigungs-veisen haben .den Nachteil, ,daß infolge der Einwirkung der hohen Temperaturen auf die Befestigungsmittel und der hohen mechanischen Beanspruchung derselben die Kratzer häufig los werden, sich aus ihrer Lage verschieben und herausfallen, was eine vorzeitige Außerbetriebsetzung der Ofen zur Folge .hat.Screwless attachment of the scrapers to agitators in sulfate ovens In mechanical sulfate furnaces of the type known as the Mannheim furnace, in which, the operation is carried out at high temperatures, at which the the materials used for the stirring pins will lose a considerable amount of strength the scratches attached with screws or with simple wedges. 'These ways of fastening have the disadvantage that as a result of the effect of high temperatures on the Fastening means and the high mechanical stress on them, the scratches frequently get rid of themselves, shift themselves out of position and fall out of what is premature Putting the furnace out of operation.
Es wurde nun gefunden, daß dieser Übel- stand bei .gleichzeitiger Verwendung eines Druck- und eines Zugkeiles in Verbindung mit den mit einem Nocken versehenen Kratzern beseitigt wird. Vorliegende Erfindung hat den Vorteil, daß ein Herausfallen der Kratzer unmöglich wird und außerdem die Möglichkeit besteht, los gewordene Kratzer während des Betriebes in ihre ursprüngliche Lage zu bringen und befestigen zu können.It has now been found that this deficiency is eliminated with the simultaneous use of a pressure and a tension wedge in conjunction with the scratches provided with a cam. The present invention has the advantage that it is impossible for the scratches to fall out and, in addition, there is the possibility of being able to bring loose scratches into their original position during operation and to be able to fix them.
In beiliegender Zeichnung ist (die Ausführungsform veranschaulicht, und zwar zeigt Abb. z den Rührarm mit Kratzer :im senkrechten Schnitt, Abb. a den Querschnitt und Abb. 3 den Grundriß. Es sind a der Rührarm, b der Kratzer mit konischem Schaft und Nocken e, c der Druckkeil und d der Zugkeil.In the accompanying drawing (the embodiment is illustrated, namely Fig. z shows the agitator arm with a scratch: in a vertical section, Fig. a den Cross-section and Fig. 3 the plan. They are a the agitator arm, b the scraper with a conical Shaft and cams e, c the pressure wedge and d the tension wedge.
Durch Zugkeil d und Druckkeil c, von welchen der Keil d von außen zugänglich ist, während der Keil c in einer im Kratzergehäuse angebrachten Aussparung liegt, wird der lose in das Kratzergehäuse eingesetzte, am Schaft mit Nocken e versehene Kratzer durch Anschlagen des von außen zugänglichen Keils um etwa Nockenhöhe gehoben und -dabei der Schaft im Kratzergehäuse festgepreßt.By pulling wedge d and pressure wedge c, of which the wedge d from the outside is accessible, while the wedge c in a recess made in the scratch housing is loosely inserted into the scraper housing and provided with cams e on the shaft Scratches lifted by hitting the externally accessible wedge by about cam height and the shaft is pressed tightly in the scratch housing.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB131169D DE511463C (en) | Screwless attachment of the scrapers to agitators in sulfatoefs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB131169D DE511463C (en) | Screwless attachment of the scrapers to agitators in sulfatoefs |
Publications (1)
Publication Number | Publication Date |
---|---|
DE511463C true DE511463C (en) | 1930-10-30 |
Family
ID=6997796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEB131169D Expired DE511463C (en) | Screwless attachment of the scrapers to agitators in sulfatoefs |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE511463C (en) |
-
0
- DE DEB131169D patent/DE511463C/en not_active Expired
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