DE163353C - - Google Patents

Description

IMPERIAL

PATENT OFFICE.

PATENT LETTERING

JVl 163353 CLASS 6 b.

NICOLAI MINUTH in RIGA.

On chopping and seeding blades. Patented in the German Empire on November 21, 1903.

When working in the brewhouse in the brewery, lautering is one of the most important processes since the size of the yield from the malt depends to a great extent on it. One uses therefore, with good reason, great care has been taken in furnishing and equipping the lauter tun and seeks in particular the mechanical devices which loosen up the grain, the so-called chopping

ίο and finally the creation of the Get the grains, the Ausrebern, to make it as expedient as possible. The requirements, which are to be placed on a chopping machine are as follows: I. Even and good loosening the firmly stored grains, 2. the simplest possible construction, 3. the possibility of the machine, especially inside the vat, easy to clean, 4. the possibility of the Whole machine, when it is not in operation, to be lifted over the grains. For the Above all, it is important that the spent grains are removed from the spent grains completed lautering in a short time, otherwise the requirements also apply here, which are mentioned under 2, 3 and 4.

Machines are the most common

of the following design: Horizontal shafts held by means of cross pieces and driven by means of gear wheels are attached to the vertical main drive shaft that goes through the bottom of the lauter tun, which carry the actual raking arms. Often there is only one such shaft with raking arms, corresponding to the radius of the lauter tun, while the exhaust device is attached to cross pieces across from it, the working parts of which consist of vertically positioned blades or the like, which push the spent grains in front of them to the exhaust hatch. These expectorant bodies are lifted over the spent grains by means of special devices during the chopping process. More recently, the main drive shaft on which the devices just described are seated is often arranged to be movable in a vertical direction, so that the entire device can be lifted over the spent grains. Plow-like devices are also used which, on the one hand, loosen them up and, on the other hand, if they are rotated accordingly in their vertical axes or by reversing the movement, they cause emptying. Even if these machines meet the work requirements placed on them, they have the disadvantage that they are quite cumbersome and expensive, while keeping them clean is difficult. However, one has also used chopping devices in the form of a straight knife or rather a sloping shovel α (FIGS. 1 to 2), which sit on the drive shaft going through the bottom of the lauter tun; these knives are set in rotation at the bottom of the lauter tun or raised and lowered during the rotation. However, this facility has found little acceptance, probably mainly because an effective

Claims (3)

Sames Ausreberern thus not possible and an Ausrebervorrichtung according to the usual Patterns cannot be combined well with it. The object of the present invention relates to a Aufhack- and Ausreber device, which is designed as follows: On the rotating, up and down drive shaft b (Fig. 4) is arranged a double wing, the cross-section of which is such that it is at the Movement in one direction can be used for chopping and when moving in the opposite direction for emptying. The cross-section of this double wing can, as indicated in FIG. 4, be triangular or from structural considerations which can be seen in FIG. 3 or have a similar shape and which are tapered towards the ends. The edge d (Fig. 3) precedes the chopping, the surface ef precedes the stripping. The position of the Ausreberluke g (Fig 4 and 6) is not important. If this is in the cylindrical part of the tub, the wing can be straight or curved (FIG. 5); if this is in the ground, the wing can have a shape as indicated in FIGS. 6 and 7. The whole wing can of course also be lifted over the grains if required. The advantages of this design are that the most even and strongest possible loosening of the spent grains is possible, since there is no grain of grain in the vat that is not moved out of its position and raised by the height of the surface ef (Fig. 3). The heights of the layers, which to a certain extent are cut by edge d (FIG. 3), can be made as thin as desired. The emptying happens completely, with the whole device being used equally on both sides. The construction is the simplest imaginable and therefore cheap and cleaning is very easy. It is not necessary that the surface de (Fig. 3) is a plane, it can also be wave-like or similarly shaped, so that the edge d is wave-shaped or saw-shaped; this can produce a very similar effect as with the plow-like devices mentioned above, if simply cutting through the spent grains should not appear sufficient. Finally, the two wing halves on the drive shaft can also be against each other be shifted in the vertical direction so that one half prepares the other half (Fig. 8undo.). Of course, the possibility of using just one wing is not excluded to work in the length of the tub radius instead of a double wing. The now commonly used lauter tuns are felt to be a nuisance, that when sparging through a turnstile from above, the grains are uneven leached out, since the lower layers are still heavily flavored when the upper layers Layers have already been completely freed from it. Vertical raking arms hollow and for the It is known to make the passage of water suitable. Accordingly, by simple Attachment or installation of perforated or slotted pipes in the new wing or through its hollow design and supplying water through the hollow main drive shaft to the above-mentioned inconvenience to remedy this and to add water to any desired spent grains (Fig. 10, 11 and 12). In addition, in this embodiment the wing can also be used as a sparging apparatus. In some factories, mashing and lautering are carried out in one and the same vat, and it is difficult to create a device for such vessels which can be used both for good mashing and for chopping and stripping. In this case, too, the wing described does a good job, since it can be used as an effective mashing and stirring apparatus when rotating, preceded by the surface ef (FIG. 3), the wing again mashing at any layer height and its movement as required can be accelerated. Finally, since the edges e and f (Fig. 3) do not need to lie in an upright plane, and the entire wing is not bound to a fixed shape, the entire surface ef (Fig. 3) can be similar to that of the tried and tested Propeller mash blades can be made without affecting the performance as a chopping or stripping device. Moving the vertical main drive shaft up and down does not cause any difficulties and can by means of pistons in a cylinder in any way and with any number of revolutions of the wing a full rise and fall. Godfather nt-A ν Proverbs: I. Raising and lowering shaft attached Aufhack- and Austreberflügel, which is used according to the direction of rotation of the shaft either for chopping or Austrebern, characterized in that the shape and cross section of the wing are chosen such that the wing when moving in one Direction cuts and loosens the grains with its edge (d) , while it moves in the opposite direction by means of the surface (ef ) opposite the edge (d) pushes the spent grains in front of it to the exhaust hatch. ■ 2. An embodiment of the under i. named Aufhack- and Ausreberflügel, characterized by a cavity extending lengthwise through the wing and openings opening into it, so that the wing on the one hand for sparging, on the other hand for the supply of water in any layer height of the Marc itself can be used. 3. An embodiment of the blade mentioned under 1. and 2., characterized in that the surface (ef) is shaped in the manner of a propeller blade, so that the blade is also suitable for mashing. 1 sheet of drawings.