DE2006770B2

DE2006770B2 - MIXED SILO FOR PLASTIC SHREDDING

Info

Publication number: DE2006770B2
Application number: DE19702006770
Authority: DE
Inventors: Franz 3302 Schandeiah Nünemann
Original assignee: MIAG Mühlenbau und Industrie GmbH, 3300 Braunschweig
Priority date: 1970-02-14
Filing date: 1970-02-14
Publication date: 1972-07-13
Also published as: DE2006770A1

Description

3 43 4

pen an der tiefsten Stelle des Sammeltrichters in das durch Querrohre 18 im Zulaufhals des Silodek-pen at the lowest point of the collecting funnel into the through cross pipes 18 in the inlet neck of the silo

dessen Wand ein Fenster befindet. kels 19 axial beweglich abgestützt ist.whose wall is a window. kels 19 is supported axially movable.

Das Zentralrohr stellt einen glatten einfachen Ein- Für die Ausbildung des Zentralrohres mit denThe central tube provides a smooth, simple input for the formation of the central tube with the

baukörper mit einfach umrandeten Auslauf öffnungen darin enthaltenen Ablaufkanälen gibt es mehrereThere are several structures with single-edged outlet openings contained therein drainage channels

dar und ermöglicht somit ein weitestgehend Störunge- β Möglichkeiten. Nach Fig. 3 enthält das Zentralrohr4and thus enables the greatest possible number of disturbances. According to FIG. 3, the central tube contains 4

freies Auslaufen der verschiedenen Chargen, die sich Innenablaufkanäle 7 mit halbkreisförmigem Quc--free drainage of the various batches, which are inner drainage channels 7 with semicircular Quc-

erst im Mischraum unter dem Silo treffen, wobei die schnitt und Rippen 6. Durch diese, das Zentralrohr 4only meet in the mixing room under the silo, whereby the cut and ribs 6. Through this, the central tube 4

im Zentralrohr befindlichen Ablaufkanäle dafür sor- sowie entsprechende Teile der Innenablaufkanäle 7The drainage channels located in the central pipe and corresponding parts of the internal drainage channels 7 are provided for this

gen, daß ein günstiger Mischeffekt erzielt wird. Die werden die Ablaufkanäle 8 gebildet. Der Aufwandgen that a favorable mixing effect is achieved. The drainage channels 8 are formed. The effort

erfindungsgemäße Ausbildung erlaubt ein vollständi- io für diese Ausführung ist verhältnismäßig hoch, daTraining according to the invention allows a complete io for this version is relatively high because

ges Leerfahren des Mischsilos. Die Kräfteverhältnisse die Rippen 6 auf die Innenkanäle 7 aufgeschweißt,emptying the mixing silo. The balance of power, the ribs 6 welded onto the inner channels 7,

sind gut zu beherrschen, da das Zentralrohr unten auf zwei solcher Körper in das Zentralrohr 4 eingescho-are easy to control, as the central tube below is inserted into the central tube 4 on two such bodies.

dem Auslauftrichter steht und oben nur axial geführt ben und dann die Rippen 6 an ihrem freien Endethe discharge funnel is and above only axially out ben and then the ribs 6 at their free end

zu werden braucht, wie später näher beschrieben gegen das Zentralrohr 4 abgedichtet werden müssen,needs to be sealed against the central tube 4, as described in more detail later,

wird. Der von den Ablaufkanälen eingeschlossene t§ um Spalten zu vermeiden.will. The t§ enclosed by the drainage channels to avoid gaps.

Mittenraum des Zentralrohres kann ebenfalls ein Nach F i g. 4 wird ein Vorteil dadurch erzielt, daß oder mehrere Ablaufkanäle enthalten, bei denen man um einen zentralen Innenkanal 9 herum L-produrch Dimensionierung ein den guten Mischeffekt filierte Stangen 10 anordnet und mit dem Innenstörendes Auslaufverhalten beeinflußt werden kann. kanal 9 sowie gegeneinander verschweißt. Das Zen-In the middle of the central tube, a according to F i g. 4, an advantage is achieved in that or contain several drainage channels, in which one L-produrch around a central inner channel 9 Dimensioning a good mixing effect fileted rods 10 and arranged with the interior disruptive The leakage behavior can be influenced. channel 9 and welded to each other. The zen

Die Erfindung wird im folgenden an Hand von ao tralrohr wird in diesem Fall durch die in Umfangs-The invention is in the following with reference to ao tralrohr is in this case by the in circumferential

Ausführungsbeispielen, die in der Zeichnung darge- richtung liegenden Schenkel der L-profiliertenEmbodiments, the leg of the L-profiled one lying in the drawing depiction

stellt sind, näher erläutert. Es zeigt Stangen 10 gebildet. Auch hierfür ist der Herstel-are explained in more detail. It shows rods 10 formed. For this, too, the manufacturer

F i g. 1 einen Axialschnitt durch einen erfindungs- lungsaufwand recht hoch wegen der vielen Schweißgemäß ausgebildeten Silo ohne Oberteil, nähte. Der bei der Herstellung zuletzt gebildete F i g. 1 shows an axial section through a very high cost of the invention because of the many welded silos without an upper part, seams. The last one formed during manufacture

F i g. 2 die Hälfte eines Querschnitts in Höhe der »5 Ablaufkanal 8 muß aus einem Radialteil und ausF i g. 2 half of a cross-section at the level of the »5 drainage channel 8 must consist of a radial part and from

Schnittlinie A-A in Fig.. 1, einem Umfangsteil zusammengesetzt werden.Section line A-A in Fig. 1, a peripheral part are assembled.

F i g. 3 bis 7 Querschnitte durch verschieden ausge- Ähnlich aufwendig ist eine Ausbildung des Zen-F i g. 3 to 7 cross-sections through differently designed

bildete Zentralrohre, tralrohres mit den Ablaufkanälen 8 durch Verbindungformed central pipes, tralrohres with the drainage channels 8 through connection

F i g. 8 einen Teil eines Axialschnittes durch das Z-profilierter Stangen 25, deren Innenschenkel denF i g. 8 a part of an axial section through the Z-profiled rods 25, the inner legs of which

untere Ende des Mischsilos und 30 Innenkanal, deren Außenschenkel das Zentralrohrlower end of the mixing silo and 30 inner channel, the outer leg of which is the central pipe

F i g. 9 die Hälfte eines Axialschnittes durch den und deren Stege die Radialtrennwände für die Aboberen Teil des Mischsilos. laufkanäle 8 bilden (F i g. 5).F i g. 9 half of an axial section through the web and its webs the radial partition walls for the Aboberen Part of the mixing silo. Form running channels 8 (Fig. 5).

Der Mischsilo besteht aus einem zylindrischen Be- Demgegenüber ist es nach F i g. 6 vorteilhaft, das hälter 1, der an seinem unteren Ende in einen Sam- Zentralrohr mit den Ablaufkanälen 20 aus Trapezmeltrichter 11 übergeht. Auf diesem steht konzen- 35 rohren zu bilden, die mit geraden oder gebogenen trisch zum Behälter 1 ein Zentralrohr 4, welches Umgangsflächen ausgeführt sein können. Als Vorteil mehrere an seiner inneren Umfangsfläche nebenein- ergibt sich, daß nur wenig Schweißnähte gezogen zu ander angeordnete Ablaufkanäle 2 umschließt. In werden brauchen. In F i g. 9 ist dargestellt, wie in der Mitte ist ein Innenablaufkanal 3 vorgesehen. In einem dieser trapezförmigen Ablaufkanäle 20 ein verschiedenen Höhen 5 enden die Ablaufkanäle 2 40 Fenster 15 eingelassen ist. Endkappen 21, wie zu in Kappen 21, die nach Fenstern 15 des Zentral- F i g. 1 beschrieben, erübrigen sich,
rohres 4 hin offen sind, diese aber dicht umschließen. Man kann das Zentralrohr auch mit quadratischem Am Sammeltrichter 11 ist ein zentrales Auslauf rohr Querschnitt ausführen, wie in Fig. 7 dargestellt, und 14 angeordnet, durch das das gemischte Gut in eine es aus einzelnen Ablaufkanälen 23 mit quadratischem nicht dargestellte Nachmischkammer ausläuft. In 45 Querschnitt zusammensetzen. In diesem Fall bildet diese münden auch Restauslaufrohre 13, die durch sich eine Verschneidungslinie 22, durch die sich im Fenster 12 mit den tiefsten Stellen des Raumes zwi- Sammeltrichter 11 ohne weiteres Mulden bilden sehen Sammeltrichter 11 und Zentralrohr 4 in Ver- (Fig. 8), an deren tiefsten Stellen die Fenster 12, bindung stehen. Damit das Gut restmengenfrei den wie schon zu Fig. 1 beschrieben, angeordnet wer-Fenstern 12 zufließt, sind zwischen Sammeltrichter 50 den können. Zur Verbesserung der Auslaufverhält-11 und Zentralrohr 4 mehrere Keilrippen 16 vorge- nisse sind die Ablaufkanäle 23 quadratischen Quersehen. Auf dem Zentralrohr sitzt ein Kopfteil 17, Schnitts unten mit Schrägfiächen 24 zu versehen.The mixing silo consists of a cylindrical bed. In contrast, it is shown in FIG. 6 advantageous, the container 1, which merges at its lower end into a central Sam tube with the drainage channels 20 from trapezoidal funnel 11. Concentrated tubes are to be formed on this, which with straight or curved trisch to the container 1 a central tube 4, which can be designed around surfaces. The advantage of having several side by side on its inner circumferential surface is that only a few welded seams are drawn to enclose drainage channels 2 arranged on the other. In will need. In Fig. 9 shows how an inner drainage channel 3 is provided in the middle. In one of these trapezoidal drainage channels 20 at different heights 5, the drainage channels 2 40 windows 15 are embedded. End caps 21, as in caps 21, which follow windows 15 of the central F i g. 1, it is not necessary
tube 4 are open, but enclose them tightly. You can also run the central tube with a square At the collecting funnel 11 is a central outlet pipe cross-section, as shown in Fig. 7, and 14 arranged through which the mixed material runs out into one of individual drainage channels 23 with a square post-mixing chamber, not shown. Assemble in 45 cross-section. In this case, this also forms residual outlet pipes 13, which through them an intersection line 22, through which in the window 12 with the deepest points of the space between collecting funnel 11 form without further troughs, collecting funnel 11 and central pipe 4 into (Fig. 8 ), at the lowest points of which the windows 12 are binding. So that the material is free of residues, as already described for FIG. In order to improve the outlet conditions and central tube 4, several V-ribs 16 are provided, the drainage channels 23 are square transverse views. A head part 17 is seated on the central tube and is to be provided with inclined surfaces 24 at the bottom.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

There is a silo for mixing bulk goods with patent claims: 'tubular inserts arranged therein are known, the upper openings of which are at different heights of the

1. Misohsilo for plastic chips with a silo and their lower ends close to the vertical standing, in its lower part in s outlet opening of the silo in a common a collecting funnel overflowing container and mixing point, the insert from meheinem concentric tubes extending from the wall of the funnel with between the drilled to its axis upwardly extending adjacent pipes remaining free annular spaces be-central pipe, which is distributed over its circumference in the diameter from top to bottom Windows arranged at different heights are xo larger, but the tubes themselves are shorter in length has, characterized in that (German patent specification 1217756). Disadvantageous the central tube (4) several on its inside - in this embodiment, that the individual tubes circumferentially arranged side by side, in the Sam- mutually by radial ribs to each other mutually cut off Opening drainage channels (2, 3 or 8 zen are that the leakage of the goods in many places or, 20 or 23), each of which complicates or prevents 15. Furthermore, the nem upper end with a window (15) of the amount that must first run out before the Central tube (4) is connected, and that the mixing effect is too great because the space with Central tube (4) through wedge ribs (16) with the immiscible part of the material from the outlet Collecting funnel (11) is connected, extending to the upper edge of the lowest tube. the between two wedge ribs (16) at the lowest ao many necessary to achieve the mixing effect Place of the collecting funnel (11) in the wall of which pipes require a considerable amount of material, a window (12) is located. There is also a mixing silo with an

2. Mixing silo according to claim 1, characterized by a funnel extending upwardly from the central pipe indicates that the drainage channels (8, 20, 23) are known, which have outlet polygonal cross-sections at different heights, being 25 containing openings through hollow-cylindrical rail neighbors Channels may be common across each other, albeit in different ways Have walls. Extent, can be opened (German patent

3. Mixing silo according to claim 1 or 2, characterized in writing 560 659). Apart from the fact that the swing marks, The fact that the drainage channels (20, 23) is disadvantageous in terms of complexity and operational safety trapezoidal or rectangular, in particular 30, is a constancy of the square drains Have cross-section, the conditions due to the mutual influence of the Central tube (4) from one wall each of all of the outflowing amount cannot be reliably implemented. Drainage channels is formed. In another known, silo-like mixing

4. Mixing silo according to one of claims 1 to 3, device are in a vertical position characterized in that the drainage channels 35 cylindrical container, which in its lower part (8, 20, 23) from several parts (9, 10 or 25) merges into a collecting funnel, several are put together in the same way. vertically distributed moderately over its cross-section

Installed outlet pipes with windows arranged at different heights (USA patent

40 3 456 922). Due to the freestanding in the container Single pipes, this facility is not readily available on silos with great heights and large

The invention relates to a mixing silo that can be transferred to a cross-section, since, as is known, vertical plastic chips with a vertical tube built into silo cells during the loading of its lower part into a collecting funnel, especially when the cell is being removed and one from the wall of the emptying, considerable horizontally and vertically acting funnel concentric to its axis upwards are subjected to the loads, whereby in particular extending central pipe, which over its circumference can lead to the horizontal forces to buckle the pipes arranged windows arranged at different heights and therefore points through side streaks. 50 exercises have to be intercepted. Such plastic chips or similar granules, however, tend to have a detrimental effect on the discharge of the filling, especially with sharp edges, cut and abraded material and can, especially in the case of material residues and similar running-difficult materials with running-difficult admixtures, tend to be particularly strong to result in undesirable bridging.
To set corners, edges or gaps and from 55 the object of the invention is to give a mixing silo for there to cause disturbances, z. B. to form plastic chips of the type mentioned so formation of bridges and non-running good that not only a favorable mixing effect, accumulations. The latter in particular are to be carefully avoided in the case of plastic but also a trouble-free leakage of the material, since mixing silos for plastic granulate can be completely emptied and a complete emptying of the mixing silo is guaranteed.

got to. This object is achieved according to the invention

The mixing effect in known mixing silos consists in that the central pipe has several, at its inside

in that along the height of the silo several circumferences of the openings are arranged next to one another, in the

openings are provided through which the silo filling contains meltron opening drainage channels from

takes place at the same time, so that from the individual 65 each of which at its upper end with a window

Batches with which the silo is filled, a through-hole of the central pipe is connected, and that the

Quality of the cut results, on the largely identical central tube by wedge ribs with the collecting line

stay it matters. connected with each other, with two