DE276070C

DE276070C -

Info

Publication number: DE276070C
Application number: DENDAT276070D
Authority: DE

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

KLASSE 12/. GRUPPECLASS 12 /. GROUP

RICHARD FLEISCHER in HERSFELD, H.-N.RICHARD FLEISCHER in HERSFELD, H.-N.

in ununterbrochenem Arbeitsgange.in uninterrupted work.

Patentiert im Deutschen Reiche vom !.Oktober 1913 ab.Patented in the German Empire from October 1913.

Die Erkenntnis derjenigen Mängel, die den früher beispielsweise in der Kaliindustrie gebräuchlichen Lösekesseln anhaften, hat bereits zu zahlreichen Konstruktionen von ununterbrachen arbeitenden Vorrichtungen, beispielsweise Löseapparaten, geführt. Bei derartigen ununterbrochen arbeitenden Vorrichtungen zum Zersetzen, Waschen und Lösen von Salzen, beispielsweise Kalisalzen, werden bereits Rührspiralen verwendet, die das Gut durch einen die Spirale aufnehmenden Trog transportieren, wobei es aber bislang unerläßlich war, die vorerwähnten Rührspiralen mit besonderen Vorrichtungen, wie Becher, Kratzer o. dgl., zu versehen, um das Lösegut von dem Trogboden anzuheben und es alsdann wiederum, und zwar in der Transport richtung, in die Löseflüssigkeit fallen zu lassen. Die bislang zu dem genannten Zweck erforderliche An-Ordnung besonderer Kratzer, Becher o. dgl. hat aber den Nachteil, daß die Herstellungskosten der betreffenden Lösevorrichtungen außerordentlich hoch ausfallen, wobei überdies noch der Ubelstand zu verzeichnen ist, daß die Becher, Kratzer o. dgl. verhältnismäßig leicht beschädigt oder sonstwie unbrauchbar werden.The recognition of those defects that were previously common in the potash industry, for example Adhering dissolving kettles has already led to numerous constructions of uninterrupted working devices, such as dissolving machines, performed. With such continuously operating devices for decomposing, washing and dissolving salts, for example potash salts, agitator spirals are already used, which the material through a transport the spiral receiving trough, but it was previously essential that the above-mentioned agitator spirals with special devices, such as beakers, scratches or the like., to be provided in order to lift the material to be removed from the trough bottom and then in turn, namely in the transport direction to drop into the dissolving liquid. So far special scratches, cups or the like required for the above-mentioned purpose. but has the disadvantage that the manufacturing costs of the release devices concerned turn out to be extraordinarily high, and there is also the disadvantage that the cups, scratches or the like are relatively easily damaged or otherwise unusable will.

. Die Erfindung beseitigt nun die soeben erwähnten Mängel der bekannten, ununterbrochen arbeitenden Vorrichtungen zum Zersetzen und Lösen von Kalisalzen u. dgl., und zwar dadurch, daß durch eine besondere Ausführung der Rührspiralen selbst die Ursachen der betreffenden Nachteile ausgeschaltet, d. h. die bislang erforderlichen besonderen Kratzer, Becher u. dgl. vollständig erübrigt werden. Im wesentlichen besteht die Erfindung darin, daß die Gänge bzw. Windungen der Rührspirale selbst einen gewölbten Querschnitt besitzen, wobei also die Rührspirale aus einem Flacheisen hergestellt ist, das im Hinblick auf den Drehsinn der Rührspirale eine Aushöhlung bzw. Vertiefung aufweist. Bei dem Gegenstande der Erfindung wird also diejenige Arbeit, die bislang besondere, an den Rührspiralen, Transportschnecken o. dgl. vorgesehene Becher, Kratzer o. dgl. erforderlich machte, einfach von der Rührspirale selbst, nämlich von deren besonderen Vertiefung, verrichtet, so daß die weiter oben als Ur-Sachen für die Übelstände der bekannten Apparate genannten Kratzet", Becher u. dgl. vollständig in Fortfall kommen. Weiterhin sieht die Erfindung in Verbindung mit der besonderen Ausgestaltung der Rührspirale noch eine außerordentlich einfache Einrichtung vor, um einen allzu beschleunigten Transport des Lösegutes durch den Trog zu verhüten. Während bislang zur Verminderung der Durchgangsgeschwindigkeit des Materials feststehende oder rotierende Scheidewände benutzt werden, die verhältnismäßig große Flächen darbieten, sind gemäß der Erfindung auf den in vorstehend erwähnter Weise ausgeführten Gängen der Rührspirale einfache Winkel vorgesehen, die in gewissen Entfernungen voneinander quer auf der Arbeitsseite des gewölbten und spiralförmig ge-. The invention now eliminates the just mentioned shortcomings of the known, uninterrupted working devices for decomposing and dissolving potash salts and the like, namely, that by a special design of the agitator spirals themselves the causes of the concerned Disadvantages eliminated, d. H. the special scratches required so far, Cups and the like are completely unnecessary. The invention essentially consists in that the turns or turns of the agitator spiral itself have a curved cross section, so the agitator spiral from one Flat iron is made, which has a cavity with regard to the direction of rotation of the agitator spiral or recess. In the subject matter of the invention, that is Work that has hitherto been special, provided on the agitator spirals, screw conveyors, or the like Cup, scratches or the like made necessary, simply by the agitator itself, namely by their special deepening, so that they are higher up as primordial things for the deficiencies of the known apparatus, the scratches, cups and the like mentioned are completely eliminated sees the invention in connection with the special design of the agitator spiral still an extraordinarily simple setup to speed up one To prevent transport of the solute through the trough. While so far to reduce the speed of passage of the material, fixed or rotating partitions are used, which present relatively large areas, are according to the invention on the steps of the agitator spiral carried out in the above-mentioned manner simple angles are provided which are at certain distances from one another across the working side of the arched and spiral-shaped

Claims

wound iron of the stirring device are arranged and as a result of this transverse position can have no part in the lifting of the goods, but hold up the transported goods to be lifted by the spiral itself and thus reduce the speed of the material. In addition, the aforementioned angles also serve to stiffen the spiral itself. It is readily apparent that the subject matter of the invention represents the simplest possible means, which is by no means subject to the risk of injury mentioned at the beginning with regard to the scratches, cups and the like previously required, but also has the advantage that its use reduces the manufacturing costs Release devices and the like are significantly reduced compared to those of the previously known apparatus. The drawing illustrates the subject matter of the invention in one embodiment. FIG. 1 shows a side view of the stirring or transport device with a sectioned trough, although only two of the four spirals indicated in FIG. 2 are shown for the sake of clarity. Figure 2 is a vertical section through the new device. In the illustrated embodiment, α is the trough into which the material to be dissolved is fed in order to now be directed towards the dissolving liquid expediently introduced from the other side of the trough. According to the invention, the agitator spirals b are designed such that their cross section (see. Fig. 2) shows a curvature, the curvature of the flat iron forming the agitator spirals b is directed backwards with respect to the direction of rotation of the shaft c. As a result, the stirring spirals themselves are able to lift the loosening material located on the bottom and then drop it back into the dissolving liquid in such a way that the loosening material falls in the direction of transport. Expediently, stiffening angles d are arranged on the individual spirals b, b, transversely to the flat iron, which are at suitable distances from one another and, on the one hand, a stiffening of the. Apply stirring spirals, on the other hand, but also have the effect that the material is held up, that is, prevented from passing through the device too quickly. As already mentioned above and as is readily apparent, the subject matter of the invention obviates the scratches, cups and the like previously required, but also the large rotating partitions previously used to reduce the passage speed. The subject of the invention thus leads to a significant reduction in the manufacturing costs of the devices for decomposing, washing and dissolving salts, especially crude potash salts, and also has the advantage that such injuries, as they have been in the hitherto common, with special scratches, cups and . Like. Working release devices are inevitable, can no longer occur. Godfather τ-An Proverbs:

1. Device for treatment, in particular for dissolving salts, ζ. Β. Crude potash salts, in uninterrupted work, characterized in that for No need for the scratches, beakers and the like that were previously required provided with a curved cross-section or made of curved or hollowed out Flat iron are made, the cavity or curvature of the agitator spirals Lifting the material to be dissolved and reintroducing the latter into the dissolving liquid, namely in the transport direction, takes over.

2. Embodiment of the device according to claim 1, characterized in that that on the arched agitator spirals, transversely to the corridors of the agitator spiral forming arched flat iron

o. the like. (b, b) simple stiffening angles (d, d) are arranged, which on the one hand apply a stiffening of the spirals, but on the other hand also serve to reduce the passage speed of the release material.

1 sheet of drawings.