EP0229875A2 - Device for mixing powdery materials with liquids - Google Patents
Device for mixing powdery materials with liquids Download PDFInfo
- Publication number
- EP0229875A2 EP0229875A2 EP86112292A EP86112292A EP0229875A2 EP 0229875 A2 EP0229875 A2 EP 0229875A2 EP 86112292 A EP86112292 A EP 86112292A EP 86112292 A EP86112292 A EP 86112292A EP 0229875 A2 EP0229875 A2 EP 0229875A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixing tube
- channel
- mixing
- distribution channel
- chambers
- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title 1
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 3
- 230000006698 induction Effects 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229920000867 polyelectrolyte Polymers 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/56—Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/718—Feed mechanisms characterised by the means for feeding the components to the mixer using vacuum, under pressure in a closed receptacle or circuit system
Definitions
- the invention relates to a device for mixing powdery substances with liquids for the production of suspensions or solutions, in particular for mixing and preparing electrolyte powder with water, consisting of a induction bowl that can be filled with powder and a partial flow of the liquid and a downstream one with which Main part of the liquid feedable mixing tube, from where the liquid / powder mixture can be fed to different chambers.
- Such processing plants are used for the production of liquid / powder mixtures in which the powder content is only a few percent or below 1% and in which special precautions are therefore necessary in order to produce a homogeneous mixture and around to maintain homogeneity even during the subsequent ripening or processing phase.
- the induction bowl opens at its lower end into a horizontally extending mixing tube. It has the task, on the one hand, of bringing about the desired mixing of the two components, on the other hand of preventing the incoming liquid flow from splashing up into the induction bowl.
- the water / powder mixture is passed into a first treatment chamber. From there, the mixture gradually reaches a second and possibly a third chamber.
- the various chambers are designed to ensure that the mixture is sufficiently homogeneous and mature before it is removed from the last chamber.
- the object of the present invention is to improve the known system in such a way that it is characterized by more cost-effective and compact expansion and, moreover, it guarantees a high degree of homogeneity of the mixture, both in terms of the powder concentration and in terms of the degree of maturity of the product.
- the mixing tube extends approximately vertically and opens into an allotment channel, which is arranged above the partition between two chambers and that this allotment channel is pivotally mounted about an axis of rotation arranged in its upper region, which in turn is approximately parallel to Partition extends or is aligned with it.
- the cross section of the metering channel is substantially larger than that of the mixing tube, so that the lower end of the mixing tube is free in the Allocation channel protrudes. This eliminates the need for a tight, flexible connection between the rigid mixing tube and the swiveling feed channel, and both line parts can be easily inspected from the outside and cleaned if necessary.
- this design opens up the possibility of also allowing the overflow line from the induction bowl and, if necessary, a bypass line for the liquid to flow freely into the distribution channel.
- the device according to the invention is also ideally suited for the mixing of chemically reacting components in which the formation of steam occurs due to the exothermic course of the reaction, for example when slaking quicklime
- a development of the invention provides for branching off a partial flow of the liquid to be supplied and a water jet pump for suction of brothers from the chambers.
- This water jet pump also conveniently opens into the distribution channel, so that when switching from one chamber to the other, the correct assignment is automatically obtained.
- powder dust can also be extracted from the induction chamber with this or an additional water jet pump.
- the feed pipe for the main part of the liquid does not as previously perpendicular to the lower end of the induction bowl, but instead ends at an acute angle in the mixing tube, such that the angle between the incoming line parts of the induction bowl and the loading tube is less than 60 °, advantageously about 45 °.
- the feed channel be connected to a motorized swivel drive.
- the swiveling of the feed channel can take place automatically when the chamber so far acted on has reached its maximum filling level.
- the fill level can be monitored by level indicators, which automatically trigger the swiveling of the feed channel.
- the mixing device consists of a large container which is divided by a partition 1 arranged in the middle into two adjacent chambers 2 and 3.
- the actual dosing and mixing device is located above it. It consists of a induction bowl 4, to which the powder to be processed is fed from a storage container 5 by means of a horizontal dosing screw 6.
- the induction bowl 4 is connected to a rinsing line 7, via which part of the liquid to be mixed with the powder reaches the induction bowl in order to convey the powder located there down into a mixing tube 8.
- a feed line 9 opens into this mixing tube 8 for the larger part of the liquid to be mixed with the powder.
- the mixture thus produced then passes into chamber 2 or 3, in which it is constantly mixed by agitators 10 and 11, respectively.
- the structure described largely corresponds to the known mixing plants.
- the mixing tube 8 does not run horizontally as before, but instead runs vertically and extends downwards directly from the outlet of the induction bowl and that the feed line 9 opens into the mixing tube at an acute angle.
- the powder washed out of the induction bowl 5 is subjected to intensive shear stress and swirling.
- this connection construction is considerably cheaper than the previously used four-way connection.
- a pivotable metering channel 12 is arranged below the mixing tube 8, the outlet opening of which can be pivoted either into the left-hand chamber 2 or into the right-hand chamber 3. Its swivel mounting is arranged in the upper area so that its inlet opening is acted upon by the outlet of the mixing tube 8 regardless of the swivel position.
- the distribution channel 12 has an approximately rectangular cross section and is mounted on its two narrow sides on the housing of the mixing device. It is pivoted (in FIG. 4 perpendicular to the plane of the drawing) by an electromotive swivel drive 13 which is controlled by the level controls 14 and 15 visible in FIG. 1. If, for example in FIG. 1, the maximum filling level is reached in the left chamber 2, the distribution channel 12 is automatically folded over to the other chamber 3. Likewise, the valve block 16 can also automatically automatically switch from one chamber to the other for the removal of the finished product.
- all other supply lines for the liquid such as the overflow line 17 from the induction bowl and a bypass line 18, also open into the feed channel 12 through the liquid bypassing the mixing tube 8 into the chamber 1 or 2 is fed.
- FIG. 5 A development of the invention is shown in FIG. 5. It is particularly suitable for mixing processes in which gases or vapors are generated in the chambers.
- a suction line 19 is connected to the essentially closed chambers, which opens into a water jet pump 20. This water jet pump is fed by a branched-off partial stream of the liquid to be supplied. This partial flow and the entrained vapors then flow to the distribution channel 12.
- the invention was described above using the example of a two-chamber container. Of course, the protection also extends to larger mixing devices in which three or four chambers are available through a further partition running perpendicular to partition 1.
- the distribution channel 12 is then to be arranged at the point of intersection between the chambers and must be pivotably mounted in two mutually perpendicular planes so that its outlet opening can be pivoted into each of the chambers.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Description
Die Erfindung geht aus von einer Vorrichtung zur Vermischung pulverförmiger Stoffe mit Flüssigkeiten zur Herstellung von Suspensionen oder Lösungen, insbesondere zur Vermischung und Aufbereitung von Elektrolyt-Pulver mit Wasser, bestehend aus einem mit Pulver und einem Teilstrom der Flüssigkeit beschickbaren Einspülbehälter und einem nachgeschalteten, mit dem Hauptteil der Flüssigkeit beschickbaren Mischrohr, von wo aus die Flüssigkeits/Pulver-Mischung verschiedenen Kammern zuführbar ist.The invention relates to a device for mixing powdery substances with liquids for the production of suspensions or solutions, in particular for mixing and preparing electrolyte powder with water, consisting of a induction bowl that can be filled with powder and a partial flow of the liquid and a downstream one with which Main part of the liquid feedable mixing tube, from where the liquid / powder mixture can be fed to different chambers.
Derartige Aufbereitungsanlagen werden zur Herstellung von Flüssigkeits/Pulver-Mischungen verwendet, bei denen der Pulveranteil nur wenige Prozent beträgt oder unterhalb 1 % liegt und bei denen daher besondere Vorkehrungen notwendig sind, um eine homogene Mischung zu erzeugen und um die Homogenität auch während der nachfolgenden Reifungs- oder Aufbereitungsphase aufrecht zu erhalten.Such processing plants are used for the production of liquid / powder mixtures in which the powder content is only a few percent or below 1% and in which special precautions are therefore necessary in order to produce a homogeneous mixture and around to maintain homogeneity even during the subsequent ripening or processing phase.
Bei einer bekannten Aufbereitungsanlage mit den eingangs genannten Merkmalen mündet der Einspülbehälter an seinem unteren Ende in ein horizontal verlaufendes Mischrohr. Es hat die Aufgabe, einerseits die erwünschte Vermischung beider Komponenten herbeizuführen, andererseits ein Hochspritzen des ankommenden Flüssigkeitsstromes in den Einspülbehälter zu verhindern. Nach einer gewissen Vermischungsstrecke wird die Wasser/Pulver-Mischung in eine erste Aufbereitungskammer geleitet. Von dort gelangt die Mischung nach und nach in eine zweite und ggf. in eine dritte Kammer. Die verschiedenen Kammern sollen sicherstellen, daß die Mischung hinreichend homogen und ausgereift ist, ehe sie aus der letzten Kammer entnommen wird.In a known treatment plant with the features mentioned in the introduction, the induction bowl opens at its lower end into a horizontally extending mixing tube. It has the task, on the one hand, of bringing about the desired mixing of the two components, on the other hand of preventing the incoming liquid flow from splashing up into the induction bowl. After a certain mixing distance, the water / powder mixture is passed into a first treatment chamber. From there, the mixture gradually reaches a second and possibly a third chamber. The various chambers are designed to ensure that the mixture is sufficiently homogeneous and mature before it is removed from the last chamber.
Untersuchungen der Anmelderin haben ergeben, daß diese bekannte Anlage trotz Verwendung von drei Aufbereitungskammern nicht immer in der Lage ist, ein genügend homogenes und ausgereiftes Produkt zu gewährleisten. Auch baut die bekannte Anlage relativ voluminös und kostenaufwendig. Denn selbst bei Verwendung von nur zwei Kammern ist die Mischapparatur notwendig, die einen Vierwege-Anschluß für die Pulverzufuhr, die Wasserzufuhr, die Ableitung der Mischung und schließlich eine Ableitung für eventuell aus dem Einspültrichter herunterfallendes Pulver benötigt. Hinzu kommt eine längere Beruhigungsstrecke hinter der Wassereinspeisung.Investigations by the applicant have shown that, despite the use of three treatment chambers, this known system is not always able to ensure a sufficiently homogeneous and mature product. The known system also builds relatively bulky and costly. Because even if only two chambers are used, the mixing apparatus is necessary, which requires a four-way connection for the powder supply, the water supply, the discharge of the mixture and finally a discharge for any powder that may fall from the induction hopper. In addition, there is a longer calming section behind the water feed.
Hiervon ausgehend, liegt die Aufgabe der vorliegenden Erfindung darin, die bekannte Anlage dahingehend zu verbessern, daß sie sich durch kostengünstigeren und kompakteren Ausbau auszeichnet und darüber hinaus eine hohe Mischungshomogenität gewährleistet, sowohl was die Pulverkonzentration als auch, was den Reifegrad des Produktes angeht.Proceeding from this, the object of the present invention is to improve the known system in such a way that it is characterized by more cost-effective and compact expansion and, moreover, it guarantees a high degree of homogeneity of the mixture, both in terms of the powder concentration and in terms of the degree of maturity of the product.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Mischrohr etwa vertikal verläuft und in einen Zuteilkanal mündet, der oberhalb der Trennwand zwischen zwei Kammern angeordnet ist und daß dieser Zuteilkanal schwenkbar um eine in seinem oberen Bereich angeordnete Drehachse gelagert ist, die sich ihrerseits etwa parallel zur Trennwand erstreckt oder mit ihr fluchtet.This object is achieved in that the mixing tube extends approximately vertically and opens into an allotment channel, which is arranged above the partition between two chambers and that this allotment channel is pivotally mounted about an axis of rotation arranged in its upper region, which in turn is approximately parallel to Partition extends or is aligned with it.
Hierdurch ergibt sich der Vorteil, daß die Mischung je nach Stellung des Zuteilkanals entweder in die linke oder in die rechte Kammer geleitet wird, ohne daß aufwendige Leitungs- oder Ventilarmaturen notwendig sind. Der Betrieb der erfindungsgemäßen Anlage erfolgt derart, daß immer eine kammer gefüllt wird, während aus der anderen Kammer die fertige Mischung abgezogen wird. Das Umpumpen zwischen den einzelnen Kammern entfällt. Dies hat nicht nur Kostenvorteile, sondern es werden auch die schädlichen Einflüsse der Produktförderung auf die Homogenität der Mischung und des Reifegrades ausgeschaltet.This has the advantage that, depending on the position of the metering channel, the mixture is either passed into the left or right chamber, without the need for complex line or valve fittings. The system according to the invention is operated in such a way that one chamber is always filled while the finished mixture is drawn off from the other chamber. Pumping between the individual chambers is not necessary. This not only has cost advantages, it also eliminates the harmful effects of product promotion on the homogeneity of the mixture and the degree of maturity.
Konstruktiv besonders günstig ist es, wenn der Querschnitt des Zuteilkanals wesentlich größer als der des Mischrohres ist, so daß das untere Ende des Mischrohres frei in den Zuteilkanal hineinragt. Dadurch erübrigt sich eine dichte flexible Verbindung zwischen dem starren Mischrohr und dem schwenkbaren Zuteilkanal und beide Leitungsteile sind leicht von außen zu inspizieren und ggf. zu reinigen.It is structurally particularly favorable if the cross section of the metering channel is substantially larger than that of the mixing tube, so that the lower end of the mixing tube is free in the Allocation channel protrudes. This eliminates the need for a tight, flexible connection between the rigid mixing tube and the swiveling feed channel, and both line parts can be easily inspected from the outside and cleaned if necessary.
Außerdem eröffnet diese Bauform die Möglichkeit, auch die Überlaufleitung aus dem Einspülbehälter sowie ggf. eine Bypass-Leitung für die Flüssigkeit frei in den Zuteilkanal münden zu lassen.In addition, this design opens up the possibility of also allowing the overflow line from the induction bowl and, if necessary, a bypass line for the liquid to flow freely into the distribution channel.
Da die erfindungsgemäße Vorrichtung auch bestens für die Vermischung chemisch reagierender Komponenten geeignet ist, bei denen es durch exothermen Reaktionsverlauf zur Dampfbildung kommt, etwa beim Löschen von gebranntem Kalk, ist in Weiterbildung der Erfindung vorgesehen, einen Teilstrom der zuzuführenden Flüssigkeit abzuzweigen und einer Wasserstrahlpumpe zum Absaugen von Brüden aus den Kammern zuzuführen. Auch diese Wasserstrahlpumpe mündet zweckmäßig in den Zuteilkanal, so daß sich beim Umschalten von der einen auf die andere kammer automatisch die richtige Zuordnung ergibt. Gleichermaßen kann mit dieser oder einer zusätzlichen Wasserstrahlpumpe auch Pulverstaub aus der Einspülkammer abgesaugt werden.Since the device according to the invention is also ideally suited for the mixing of chemically reacting components in which the formation of steam occurs due to the exothermic course of the reaction, for example when slaking quicklime, a development of the invention provides for branching off a partial flow of the liquid to be supplied and a water jet pump for suction of brothers from the chambers. This water jet pump also conveniently opens into the distribution channel, so that when switching from one chamber to the other, the correct assignment is automatically obtained. Equally, powder dust can also be extracted from the induction chamber with this or an additional water jet pump.
Dadurch, daß die Mischung beim Übergang in den relativ zum Mischrohr schrägstehenden Zuteilkanal auf dessen eine Wand aufprallt und außerdem durch die Querschnittsänderung eine erhebliche Verwirbelung des Produktes erzwungen wird, ergibt sich bereits eine sehr hohe Misch-Effektivität. Sie läßt sich erfindungsgemäß noch weiter steigern, indem das Beschickrohr für den Hauptteil der Flüssigkeit nicht wie bisher senkrecht an das untere Ende des Einspülbehälters, sondern stattdessen spitzwinklig in das Mischrohr mündet, derart, daß der Winkel zwischen den ankommenden Leitungsteilen des Einspülbehälters und des Beschickrohres kleiner 60°, zweckmäßig etwa 45° beträgt. Dadurch prallt die zugeführte Flüssigkeitsströmung mitsamt den mitgerissenen Pulverpartikelchen auf die gegenüberliegende Rohrwand des Mischrohres und die zum Agglomerieren neigenden Pulverpartikelchen werden zuverlässig zerschlagen.The fact that the mixture impinges on the one wall at the transition into the feed channel, which is inclined relative to the mixing tube, and, in addition, due to the change in cross-section, causes considerable swirling of the product, results in a very high mixing effectiveness. According to the invention, it can be increased even further by the fact that the feed pipe for the main part of the liquid does not as previously perpendicular to the lower end of the induction bowl, but instead ends at an acute angle in the mixing tube, such that the angle between the incoming line parts of the induction bowl and the loading tube is less than 60 °, advantageously about 45 °. As a result, the supplied liquid flow, together with the entrained powder particles, impacts the opposite tube wall of the mixing tube and the powder particles, which tend to agglomerate, are reliably broken up.
Um die Betriebsweise der erfindungsgemäßen Vorrichtung zu automatisieren, empfiehlt es sich, daß der Zuteilkanal mit einem motorischen Schwenkantrieb verbunden ist. Dadurch kann automatisch das Umschwenken des Zuteilkanales erfolgen, wenn die bisher beaufschlagte Kammer ihre maximale Füllhöhe erreicht hat. Die Füllhöhe kann durch Füllstandsanzeiger überwacht werden, die automatisch das Verschwenken des Zuteilkanales auslösen.In order to automate the operation of the device according to the invention, it is recommended that the feed channel be connected to a motorized swivel drive. As a result, the swiveling of the feed channel can take place automatically when the chamber so far acted on has reached its maximum filling level. The fill level can be monitored by level indicators, which automatically trigger the swiveling of the feed channel.
Schließlich hat es sich im Sinne einfacher Montage als günstig erwiesen, den Zuteilkanal lösbar in seinen beiden Schwenklagern anzuordnen, etwa indem er von oben in seine Schwenklager einsteckbar ist und dabei eine drehfeste Verbindung mit der Abtriebswelle des Schwenkantriebes eingeht.Finally, in the sense of simple assembly, it has proven to be advantageous to releasably arrange the distribution channel in its two swivel bearings, for example by inserting it into its swivel bearing from above and thereby establishing a rotationally fixed connection with the output shaft of the swivel drive.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles anhand der Zeichnung; dabei zeigt:
- Fig. 1 eine Frontansicht der Mischvorrichtung;
- Fig. 2 eine Ansicht derselben Mischvorrichtung von oben;
- Fig. 3 den Einspülbehälter mit Mischrohr und Zuteilkanal in vergrößerter Schnittdarstellung;
- Fig. 4 eine um 90° geklappte Seitenansicht von Fig. 3 im Teilschnitt und
- Fig. 5 die gleiche Ansicht mit zusätzlichen Wasserstrahlpumpen.
- Fig. 1 is a front view of the mixing device;
- Figure 2 is a top view of the same mixing device;
- 3 shows the induction bowl with mixing tube and feed channel in an enlarged sectional view;
- Fig. 4 is a 90 ° folded side view of Fig. 3 in partial section and
- Fig. 5 shows the same view with additional water jet pumps.
Wie die Fig. 1 und 2 zeigen, besteht die Mischvorrichtung aus einem großen Behälter, der durch eine in der Mitte angeordnete Trennwand 1 in zwei nebeneinanderliegende Kammern 2 und 3 unterteilt ist. Darüber befindet sich die eigentliche Dosier- und Mischeinrichtung. Sie besteht aus einem Einspülbehälter 4, dem das zu verarbeitende Pulver aus einem Vorratsbehälter 5 mittels einer horizontalen Dosierschnecke 6 zugeführt wird. Außerdem ist der Einspülbehälter 4 an einen Spülleitung 7 angeschlossen, über die ein Teil der mit dem Pulver zu vermischenden Flüssigkeit in den Einspülbehälter gelangt, um das dort befindliche Pulver nach unten in ein Mischrohr 8 zu fördern. In dieses Mischrohr 8 mündet eine Zuleitung 9 für den größeren Teil der mit dem Pulver zu vermischenden Flüssigkeit. Die so erzeugte Mischung gelangt sodann in die Kammer 2 oder 3, in der sie durch Rührwerke 10 bzw. 11 ständig vermischt wird. Insoweit entspricht der beschriebene Aufbau weitgehend den bekannten Mischanlagen.1 and 2 show, the mixing device consists of a large container which is divided by a
Wesentlich an der vorliegenden Erfindung ist, daß das Mischrohr 8 nicht wie bisher horizontal, sondern stattdessen vertikal verläuft und sich unmittelbar vom Ausgang des Einspülbehälters nach unten erstreckt und daß die Zuleitung 9 unter einem spitzen Winkel in das Mischrohr mündet. Dadurch wird das aus dem Einspülbehälter 5 herausgespülte Pulver einer intensiven Scherbeanspruchung und Verwirbelung unterzogen. Gleichzeitig ist diese Anschlußkonstruktion wesentlich kostengünstiger als der bisher übliche Vierwege-Anschluß.It is essential to the present invention that the
Erfindungswesentlich ist ebenso, daß unterhalb des Mischrohres 8 ein schwenkbarer Zuteilkanal 12 angeordnet ist, dessen Austrittsöffnung wahlweise in die linke Kammer 2 oder in die rechte kammer 3 geschwenkt werden kann. Seine Schwenklagerung ist im oberen Bereich angeordnet, damit seine Eintrittsöffnung unabhängig von der Schwenkposition vom Ausgang des Mischrohres 8 beaufschlagt wird.It is also essential to the invention that a
Wie Fig. 4 zeigt, hat der Zuteilkanal 12 etwa rechteckigen Querschnitt und ist an seinen beiden Schmalseiten am Gehäuse der Mischvorrichtung gelagert. Seine Verschwenkung (in Fig. 4 senkrecht zur Zeichnungsebene) erfolgt durch einen elektromotorischen Schwenkantrieb 13, der von den in Fig. 1 sichtbaren Niveauregulierungen 14 und 15 angesteuert wird. Ist beispielsweise in Fig. 1 in der linken Kammer 2 die maximale Füllhöhe erreicht, so wird der Zuteilkanal 12 automatisch zu der anderen Kammer 3 umgeklappt. Ebenso kann auch automatisch der Ventilblock 16 für die Entnahme des fertigen Produktes automatisch von der einen auf die andere Kammer umgeschaltet werden.As shown in FIG. 4, the
Wie Fig. 4 außerdem zeigt, münden in den Zuteilkanal 12 auch alle sonst noch vorhandenen Zuführleitungen für die Flüssigkeit, etwa die Überlaufleitung 17 aus dem Einspülbehälter und eine Bypass-Leitung 18, durch die Flüssigkeit unter Umgehung des Mischrohres 8 in die Kammer 1 oder 2 zugeführt wird.As also shown in FIG. 4, all other supply lines for the liquid, such as the
Dadurch, daß all diese Leitungen ebenso wie das Mischrohr 8 frei in den Zuteilkanal 12 hineinragen, ergeben sich zusätzliche Kosten- und Montagevorteile und der Aufprall auf die in Strömungsrichtung liegende Seitenwand des Zuteilkanals bringt einen zusätzlichen Mischeffekt.The fact that all these lines, like the
Eine Weiterbildung der Erfindung ist in Fig. 5 dargestellt. Sie ist vor allem für solche Mischvorgänge geeignet, bei denen in den Kammern Gase oder Dämpfe entstehen. Zu diesem Zweck ist an die im wesentlichen verschlossenen Kammern eine Absaugleitung 19 angeschlossen, die in eine Wasserstrahlpumpe 20 mündet. Diese Wasserstrahlpumpe wird von einem abgezweigten Teilstrom der zuzführenden Flüssigkeit gespeist. Dieser Teilstrom und die mitgerissenen Dämpfe strömen sodann zu dem Zuteilkanal 12.A development of the invention is shown in FIG. 5. It is particularly suitable for mixing processes in which gases or vapors are generated in the chambers. For this purpose, a
Mit einer zweiten, gleichartig angeordneten Wasserstrahlpumpe 21 kann außerdem für eine ständige Entstaubung des Einspülbehälters 4 gesorgt werden.With a second, similarly arranged
Die Erfindung wurde vorstehend am Beispiel eines Zweikammer-Behälters beschrieben. Selbstverständlich ersteckt sich der Schutz aber auch auf größere Mischvorrichtungen, bei denen durch eine senkreckt zur Trennwand 1 laufende weitere Trennwand drei oder vier kammern zur Verfügung stehen. Der Zuteilkanal 12 ist dann im Kreuzungspunkt zwischen den Kammern anzuordnen und muß in zwei aufeinander senkrechten Ebenen schwenkbar gelagert werden, damit sich seine Austrittsöffnung in jede der Kammern schwenken läßt.The invention was described above using the example of a two-chamber container. Of course, the protection also extends to larger mixing devices in which three or four chambers are available through a further partition running perpendicular to
Claims (10)
dadurch gekennzeichnet,
daß das Mischrohr (8) etwa vertikal in einen Zuteilkanal (12) mündet, der oberhalb der vertikalen Trennwand (1) zwischen zwei Kammern (2, 3) angeordnet ist und daß dieser Zuteilkanal (12) schwenkbar um eine in seinem oberen Bereich angeordnete Drehachse gelagert ist, die sich ihrerseits etwa parallel zur Trennwand (1) erstreckt oder mit ihr fluchtet.1. Apparatus for mixing powdery substances with liquids for the production of suspensions or solutions, in particular for mixing and processing polyelectrolyte powder with water, consisting of a induction bowl that can be filled with powder and a partial flow of the liquid and a downstream one with the main part of the Liquid feedable mixing tube, from where the liquid / powder mixture can be fed to different chambers,
characterized,
that the mixing tube (8) opens approximately vertically into an allotment channel (12) which is arranged above the vertical partition (1) between two chambers (2, 3) and that this allotment channel (12) is pivotable about an axis of rotation arranged in its upper region is mounted, which in turn extends approximately parallel to the partition (1) or is flush with it.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86112292T ATE62149T1 (en) | 1986-01-20 | 1986-09-05 | DEVICE FOR MIXING POWDERED MATERIALS WITH LIQUIDS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8601244U DE8601244U1 (en) | 1986-01-20 | 1986-01-20 | Device for mixing powdery substances with liquids |
DE8601244U | 1986-01-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0229875A2 true EP0229875A2 (en) | 1987-07-29 |
EP0229875A3 EP0229875A3 (en) | 1988-07-27 |
EP0229875B1 EP0229875B1 (en) | 1991-04-03 |
Family
ID=6790722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86112292A Expired - Lifetime EP0229875B1 (en) | 1986-01-20 | 1986-09-05 | Device for mixing powdery materials with liquids |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0229875B1 (en) |
AT (1) | ATE62149T1 (en) |
DE (1) | DE8601244U1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6004024A (en) * | 1997-11-14 | 1999-12-21 | Calgon Corporation | Emulsion feed assembly |
RU2481149C2 (en) * | 2011-07-12 | 2013-05-10 | Владимир Иванович Казанцев | Plant for preparation and dispensing solutions of reagents |
RU188162U1 (en) * | 2018-10-11 | 2019-04-01 | Общество с ограниченной ответственностью "Газпром добыча Ноябрьск" | DEVICE FOR PREPARING AND FEEDING CHEMICAL SOLUTION |
RU2710428C1 (en) * | 2019-05-20 | 2019-12-26 | Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" | Mobile reagent complex |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3835534A1 (en) * | 1988-10-19 | 1990-04-26 | Brinkmann Maschinenfabrik Gmbh | Filling level meter for mixing machines |
DE102006012463B4 (en) * | 2006-03-17 | 2009-07-30 | Bhs-Sonthofen Gmbh | mixing device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2174089A (en) * | 1939-02-06 | 1939-09-26 | C S Johnson Co | Mixing apparatus |
US2238343A (en) * | 1937-02-19 | 1941-04-15 | T L Smith Co | Concrete mixing plant |
US2522293A (en) * | 1948-11-30 | 1950-09-12 | Noble Bert | Charging chute |
FR2147013A1 (en) * | 1971-07-29 | 1973-03-09 | Richier Sa | |
US4125331A (en) * | 1977-05-09 | 1978-11-14 | The Dow Chemical Company | Mixing apparatus |
-
1986
- 1986-01-20 DE DE8601244U patent/DE8601244U1/en not_active Expired
- 1986-09-05 AT AT86112292T patent/ATE62149T1/en not_active IP Right Cessation
- 1986-09-05 EP EP86112292A patent/EP0229875B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2238343A (en) * | 1937-02-19 | 1941-04-15 | T L Smith Co | Concrete mixing plant |
US2174089A (en) * | 1939-02-06 | 1939-09-26 | C S Johnson Co | Mixing apparatus |
US2522293A (en) * | 1948-11-30 | 1950-09-12 | Noble Bert | Charging chute |
FR2147013A1 (en) * | 1971-07-29 | 1973-03-09 | Richier Sa | |
US4125331A (en) * | 1977-05-09 | 1978-11-14 | The Dow Chemical Company | Mixing apparatus |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6004024A (en) * | 1997-11-14 | 1999-12-21 | Calgon Corporation | Emulsion feed assembly |
US6313198B1 (en) | 1997-11-14 | 2001-11-06 | Calgon Corporation | Emulsion feed assembly and method |
RU2481149C2 (en) * | 2011-07-12 | 2013-05-10 | Владимир Иванович Казанцев | Plant for preparation and dispensing solutions of reagents |
RU188162U1 (en) * | 2018-10-11 | 2019-04-01 | Общество с ограниченной ответственностью "Газпром добыча Ноябрьск" | DEVICE FOR PREPARING AND FEEDING CHEMICAL SOLUTION |
RU2710428C1 (en) * | 2019-05-20 | 2019-12-26 | Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" | Mobile reagent complex |
Also Published As
Publication number | Publication date |
---|---|
EP0229875B1 (en) | 1991-04-03 |
ATE62149T1 (en) | 1991-04-15 |
DE8601244U1 (en) | 1986-02-27 |
EP0229875A3 (en) | 1988-07-27 |
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