EP0226850B1 - Device for the continuous mixing of dry mixed mortar with water - Google Patents

Device for the continuous mixing of dry mixed mortar with water Download PDF

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Publication number
EP0226850B1
EP0226850B1 EP86116350A EP86116350A EP0226850B1 EP 0226850 B1 EP0226850 B1 EP 0226850B1 EP 86116350 A EP86116350 A EP 86116350A EP 86116350 A EP86116350 A EP 86116350A EP 0226850 B1 EP0226850 B1 EP 0226850B1
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EP
European Patent Office
Prior art keywords
intermediate tank
supply bin
water
aggregate
mixing chamber
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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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EP86116350A
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German (de)
French (fr)
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EP0226850A1 (en
Inventor
Hans-Peter Dipl.-Ing. Irsch
Werner Rödiger
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Pft Putz- und Fordertechnik GmbH
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Pft Putz- und Fordertechnik GmbH
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Priority to AT86116350T priority Critical patent/ATE50440T1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C9/00—General arrangement or layout of plant
    • B28C9/04—General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
    • B28C9/0454—Self-contained units, i.e. mobile plants having storage containers for the ingredients

Definitions

  • the invention relates to a device for continuously mixing dry mortar with water at a construction site, in particular for mechanical plastering, which, following a storage container for the dry mortar, contains an intermediate container in which a loosening device is arranged, a mixing chamber provided with a water supply under the intermediate container and following this has a pump, in particular an eccentric screw pump, for removing the mixture (cf. DE-A 2 407 657).
  • the invention has for its object to expand the possibilities of continuously applying mortar including screed.
  • the device has a closable connecting piece on the side of the intermediate container for an additional device adapted to the device and, if necessary, attachable to it, consisting of a storage container for an additive and a continuous conveying device which flows from this storage container into leads the intermediate container of the device.
  • a variability is obtained which, for example, allows one and the same gypsum plaster to be used in the modifications, that it is somewhat stretched with sand or ash granulate for living rooms, that it is admixed with pearlite for ceilings, used unchanged for bathrooms and toilets with walls to be tiled is, and for special places, such as a fireplace, receives a structure-forming addition, such as round grain made of expanded glass or expanded clay or the like.
  • the modifications can serve not only for economy, but also for quality improvement and optimization to meet different requirements . Leanings can increase the bending tensile strength; in liquid screed they can significantly reduce the undesirable high water content. Expanded clay increases thermal insulation. It is possible to use aggregates that are available at particularly favorable local prices.
  • Fluid bed granulate (ash granulate) from coal-fired power plants comes into consideration here, which is often provided free of charge at the location of the coal-fired power station. It is an excellent additive due to its low weight and its favorable grain size.
  • the flue gas gypsum that now arises in many places as a result of desulphurization can also be used as an additive, which also brings with it a binding ability.
  • the introduction of the additives into the intermediate container provided with the loosening device is particularly important in the invention. This point, still above the water inlet in the dry area, but shortly before the mixing chamber and with the loosening device as a device that now already mixes the solids and, above all, already completely enough to avoid lumps due to the setting of the mortar with the moisture of the aggregate Avoiding has proven feasible.
  • dry mortar will be produced and used, which can range from the previous ready-mixed mortars to pure binders with regard to their factory-introduced additives.
  • the well-known ready-mixed mortar allows additional aggregates for quite a few possible uses.
  • the possibilities of the invention are, however, exploited the more, the less the factory addition contains the dry mortar.
  • mortars will be sought which do not necessarily require a surcharge at the construction site and which tolerate various additives, for which a certain basic set of surcharges could be appropriate.
  • the chemical additives such as exciters, retarders or accelerators, air entraining agents, water retention agents, etc., as a rule, like the binders, cement, lime, gypsum or anhydrite, belong to the industrially manufactured product, but can also be added.
  • the intermediate container does not necessarily have to be structurally separate from the mixing chamber. It could also have the shape of an extension of a predominantly cylindrical mixing chamber upwards and differ from the actual mixing chamber in that it lies in a dry area. On the other hand, if one accepts a large overall height, an intermediate container in the form of a lowermost section of the storage container would also be conceivable. This intermediate container would then differ from the storage container by the range of action of the loosening device.
  • the conveying device of the additional device provided according to the invention should have an adjustable drive, preferably with a motor adjustable by a frequency converter, so that the proportion of the aggregate can be adjusted as required.
  • a proportioning screw is particularly suitable for measuring the proportion precisely.
  • the conveying device further comprises a screw conveyor arranged in the storage container for the aggregate near the bottom, and the Dosing screw has a shaft which is coaxial with the screw conveyor, preferably horizontal, and forms the connection between the storage container for the aggregate and the intermediate container of the device.
  • the connecting piece can expediently be closed by an insert which is flush with the wall of the intermediate container. Then there is no dead space (in the extension nozzle) if the additional device is not connected.
  • the drawing shows an embodiment of the invention.
  • the storage container 3 consists of an overall flat, approximately 50 ° against the horizontal inclined bottom 4 with a semicircular lower section and an adjoining rectangular upper section and a wall 5 attached to this floor such that the container widening upwards Cross section and an upper edge lying in a horizontal plane.
  • the bottom 4 has an approximately conical recess 6 coaxially with its semicircular lower section.
  • a gear motor 7 is seated from below, the shaft of which penetrates the bottom in a seal and is connected to a feed wheel 8.
  • the feed wheel 8 sweeps across the floor 4 with blades 9 and ejects the material through a recess 10 arranged in the floor at the upper end of its path.
  • a material-collecting intermediate container 11 is attached to the bottom and funnel-shaped in a lower section. It opens into a mixing chamber 12.
  • the mixing chamber 12 is provided with a stirring tool which has a shaft which is driven by a motor 13 arranged at the top and which at the same time drives an eccentric screw pump 14 which follows the mixing chamber 12 at the bottom.
  • a conveyor and loosening device in the form of a spiral 15 adapted to the funnel wall of the intermediate container sits on the shaft in the intermediate container 11. The spiral 15 sweeps over the funnel wall at a short distance and loosens the material and pushes it downwards.
  • a hose connection 16 is attached to the outlet of the eccentric screw pump 14.
  • a water fitting 17 for uniformly introducing the mixing water into the mixing chamber, an air compressor 18 for generating the spray air for plastering mortar and an air remote control switch 19 for switching the device on and off.
  • the additional device 20 has a storage container 24 for additives on a machine frame 23 supported partly on rollers 21 and partly on a bracket 22.
  • a feed screw 25 leads through the storage container 24 close above its bottom and, with the same shaft 26, merges into a metering screw 28 arranged in a tube 27.
  • the shaft 26, which carries the screw conveyor 25 and the metering screw 28, is driven by a geared motor 29 mounted on the outside of the storage container. This is infinitely adjustable by means of a frequency converter.
  • the metering screw 28 can thus be set to any delivery rate.
  • the tube 27 is inserted with its end at 30 tightly into a nozzle 31 formed on the funnel-shaped lower section of the intermediate container 11.
  • the device and the additional device 20 can both be loaded with sacked goods or in shovels. You can also get supplements to feed them with pneumatic conveyors. They can be placed under silos or on other containers, whereby the device can be loaded in this way and the additional device in that way.

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  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

1. An apparatus for the continuous mixing of dry mortar with water at a building site, more particularly for mechanical plastering, comprising a supply bin (3) for the dry mortar connected to an intermediate tank (11) containing a fragmenting appliance (15), a mixing chamber (12) having a water supply beneath the intermediate tank (11), and a pump (14), more particularly an eccentric worm pump (14), connected to the mixing chamber for the removal of the mixture, characterised in that a sealable connection piece (31) is provided on the side of the intermediate tank for an additional apparatus (20) which is adapted to be attached to said apparatus if required, said additional apparatus (20) consisting of a supply bin (24) for an aggregate and a continuous conveyor unit (25-29), which leads out of this supply bin (24) into the intermediate tank (11).

Description

Die Erfindung betrifft eine Vorrichtung zum kontinuierlichen Mischen von Trockenmörtel mit Wasser an einer Baustelle, insbesondere für das maschinelle Verputzen, die im Anschluß an einen Vorratsbehälter für den Trockenmörtel einen Zwischenbehälter, in dem eine Lockerungseinrichtung angeordnet ist, unter dem Zwischenbehälter eine mit einer Wasserzuführung versehene Mischkammer und im Anschluß an diese eine Pumpe, insbesondere Exzenter-Schneckenpumpe, zum Abfördern der Mischung aufweist (vgl. DE-A 2 407 657).The invention relates to a device for continuously mixing dry mortar with water at a construction site, in particular for mechanical plastering, which, following a storage container for the dry mortar, contains an intermediate container in which a loosening device is arranged, a mixing chamber provided with a water supply under the intermediate container and following this has a pump, in particular an eccentric screw pump, for removing the mixture (cf. DE-A 2 407 657).

Fertige Trockenmörtel und Vorrichtungen zum kontinuierlichen Mischen dieser Trockenmörtel mit Wasser waren Teil der Entwicklung des "Maschineneputzens", bei dem mittels einer Düse unter Verwendung von Treibluft Gips- oder andere Mörtel auf die Wand und Estriche auf den Boden aufgetragen werden. Die werksseitige Fertigstellung des Trockenmörtels mit allen Feststoffbestandteilen erlaubt das kontinuierliche Arbeiten an der Baustelle, wo nur noch die Mischung mit dem Wasser hergestellt werden muß.Finished dry mortars and devices for the continuous mixing of these dry mortars with water were part of the development of "machine cleaning", in which gypsum or other mortar is applied to the wall and screeds to the floor by means of a nozzle using propellant air. The factory completion of the dry mortar with all solid components allows continuous work on the construction site, where only the mixture with the water has to be made.

Der Erfindung liegt die Aufgabe zugrunde, die Möglichkeiten des kontinuierlichen Aufbringens von Mörteln einschließlich Estrichen zu erweitern.The invention has for its object to expand the possibilities of continuously applying mortar including screed.

Gemäß der Erfindung wird dieser Zweck dadurch erfüllt, daß die Vorrichtung seitlich an dem Zwischenbehälter einen verschließbaren Anschlußstutzen aufweist für eine der Vorrichtung angepaßte, bei Bedarf an sie ansetzbare Zusatzvorrichtung, bestehend aus einem Vorratsbehälter für einen Zuschlagstoff und einer kontinuierlichen Fördereinrichtung, die aus diesem Vorratsbehälter in den Zwischenbehälter der Vorrichtung führt.According to the invention, this purpose is achieved in that the device has a closable connecting piece on the side of the intermediate container for an additional device adapted to the device and, if necessary, attachable to it, consisting of a storage container for an additive and a continuous conveying device which flows from this storage container into leads the intermediate container of the device.

Man erhält eine Variabilität, die es beispielsweise erlaubt, ein und denselben Gipsputz in den Abwandlungen zu verwenden, daß er für Wohnräume etwas mit Sand oder Aschegranulat gestreckt wird, für Decken eine Zumischung von Perlit erhält, für Badezimmer und Toiletten mit zu verfliesenden Wänden unverändert verwendet wird, und für besondere Stellen, wie etwa an einem Kamin, einen strukturbildenden Zuschlag erhält, wie etwa Rundkorn aus Blähglas oder Blähton o. dgl.. Die Abwandlungen können nicht nur der Wirtschaftlichkeit, sondern auch der Qualitätsverbesserung und der Optimierung auf verschiedene Anforderungen hin dienen. So können Magerungen die Biegezugfestigkeit erhöhen; in Fließestrich können sie den unerwünscht hohen Wasseranteil erheblich senken. Blähton erhöht die Wärmedämmung. Es können örtlich besonders preisgünstig zu Verfügung stehende Zuschlagstoffe genutzt werden. In Betracht kommt hier vor allem Wirbelschichtgranulat (Aschegranulat) aus Kohlekraftwerken, das am Standort des Kohlekraftwerks oft kostenlos zur Verfügung gestellt wird. Es ist auf Grund seines geringen Gewichts und seiner günstigen Körnung ein ausgezeichneter Zuschlagstoff. Auch der infolge der Entschwefelung jetzt vielerorts anfallende Rauchgasgips kann als ein Zuschlag benutzt werden, der überdies eine Bindefähigkeit mitbringt.A variability is obtained which, for example, allows one and the same gypsum plaster to be used in the modifications, that it is somewhat stretched with sand or ash granulate for living rooms, that it is admixed with pearlite for ceilings, used unchanged for bathrooms and toilets with walls to be tiled is, and for special places, such as a fireplace, receives a structure-forming addition, such as round grain made of expanded glass or expanded clay or the like. The modifications can serve not only for economy, but also for quality improvement and optimization to meet different requirements . Leanings can increase the bending tensile strength; in liquid screed they can significantly reduce the undesirable high water content. Expanded clay increases thermal insulation. It is possible to use aggregates that are available at particularly favorable local prices. Fluid bed granulate (ash granulate) from coal-fired power plants comes into consideration here, which is often provided free of charge at the location of the coal-fired power station. It is an excellent additive due to its low weight and its favorable grain size. The flue gas gypsum that now arises in many places as a result of desulphurization can also be used as an additive, which also brings with it a binding ability.

Verglichen mit den im Fertigmörtel enthaltenen Zuschlägen erbringt dies eine Einsparung an Frachtaufwand und schon bei der Herstellung eine Einsparung an Energie, nämlich für das Trocknen feuchter Zuschlagstoffe, wie Wirbelschichtgranulat und auch natürlicher Sand es sind.Compared to the aggregates contained in the ready-mixed mortar, this results in a saving in freight costs and already in the production in energy savings, namely for drying moist aggregates, such as fluidized bed granules and natural sand.

Besonders wesentlich ist an der Erfindung das Einbringen der Zuschlagstoffe in den mit der Lockerungseinrichtung versehenen Zwischenbehälter. Diese Stelle, noch über der Wassereinführung im trockenen Bereich, aber doch kurz vor der Mischkammer und mit der Lockerungseinrichtung als einer hier nun schon die Feststoffe vermischenden und vor allem dabei schon vollständig genug erfassenden Einrichtung, um Klumpenbildung aufgrund Abbindung des Mörtels mit der Feuchtigkeit des Zuschlags zu vermeiden, hat sich als gangbar erwiesen.The introduction of the additives into the intermediate container provided with the loosening device is particularly important in the invention. This point, still above the water inlet in the dry area, but shortly before the mixing chamber and with the loosening device as a device that now already mixes the solids and, above all, already completely enough to avoid lumps due to the setting of the mortar with the moisture of the aggregate Avoiding has proven feasible.

Nach der Vorstellung der Erfindung wird man Trockenmörtel herstellen und verwenden, die hinsichtlich ihrer werksseitig eingebrachten Zuschlagstoffe von den bisherigen Fertigmörteln bis hin zu reinen Bindemitteln reichen können. Die bekannten Fertigmörtel erlauben für nicht wenige Verwendungsmöglichkeiten noch weitere Zuschlagstoffe. Die Möglichkeiten der Erfindung werden indessen umso mehr ausgeschöpft, je weniger werksseitigen Zuschlag die Trockenmörtel enthalten. Andererseits wird man mit Rücksicht auf eine möglichst universelle Verwendbarkeit Mörtel anstreben, die eines Zuschlags an der Baustelle nicht unbedingt bedürfen und die verschiedene Zuschlagstoffe vertragen, wofür ein gewisser Grundstock an Zuschlägen zweckmäßig sein könnte. Die chemischen Zusätze, wie Anreger, Verzögerer oder Beschleuniger, Luftporenbilder, Wasserrückhaltemittel usw. werden in der Regel wie die Bindemittel, Zement, Kalk, Gips oder Anhydrit, zum industriell hergestellten Produkt gehören, können aber gleichfalls zugegeben werden.According to the idea of the invention, dry mortar will be produced and used, which can range from the previous ready-mixed mortars to pure binders with regard to their factory-introduced additives. The well-known ready-mixed mortar allows additional aggregates for quite a few possible uses. The possibilities of the invention are, however, exploited the more, the less the factory addition contains the dry mortar. On the other hand, with a view to the most universal usability, mortars will be sought which do not necessarily require a surcharge at the construction site and which tolerate various additives, for which a certain basic set of surcharges could be appropriate. The chemical additives, such as exciters, retarders or accelerators, air entraining agents, water retention agents, etc., as a rule, like the binders, cement, lime, gypsum or anhydrite, belong to the industrially manufactured product, but can also be added.

Der Zwischenbehälter braucht nicht unbedingt konstruktiv von der Mischkammer getrennt zu sein. Er könnte auch die Form einer Verlängerung einer, vornehmlich zylindrischen, Mischkammer nach oben haben und sich von der eigentlichen Mischkammer dadurch unterscheiden, daß er in einem trockenen Bereich liegt. Andererseits wäre, wenn man große Bauhöhe in Kauf nimmt, auch ein Zwischenbehälter in Form eines untersten Abschnittes des Vorratsbehälters denkbar. Dieser Zwischenbehälter würde sich dann von dem Vorratsbehälter durch den Wirkungsbereich der Lockerungseinrichtung unterscheiden.The intermediate container does not necessarily have to be structurally separate from the mixing chamber. It could also have the shape of an extension of a predominantly cylindrical mixing chamber upwards and differ from the actual mixing chamber in that it lies in a dry area. On the other hand, if one accepts a large overall height, an intermediate container in the form of a lowermost section of the storage container would also be conceivable. This intermediate container would then differ from the storage container by the range of action of the loosening device.

Die Fördereinrichtung der nach der Erfindung vorgesehenen Zusatzvorrichtung sollte einen verstellbaren Antrieb aufweisen, vorzugsweise mit einem durch einen Frequenzumformer verstellbaren Motor, damit der Anteil des Zuschlagstoffes nach Bedarf eingestellt werden kann.The conveying device of the additional device provided according to the invention should have an adjustable drive, preferably with a motor adjustable by a frequency converter, so that the proportion of the aggregate can be adjusted as required.

Den Anteil genau abzumessen, ist eine Dosierschnecke besonders geeignet.A proportioning screw is particularly suitable for measuring the proportion precisely.

Nach einer zweckmäßigen Ausgestaltung der Erfindung umfaßt die Fördereinrichtung ferner eine in dem Vorratsbehälter für den Zuschlagstoff nahe dem Boden angeordnete Förderschnecke, und die Dosierschnecke weist eine mit der Förderschnecke achsgleiche, vorzugsweise waagerechte, Welle auf und bildet die Verbindung zwischen dem Vorratsbehälter für den Zuschlagstoff und dem Zwischenbehälter der Vorrichtung.According to an expedient embodiment of the invention, the conveying device further comprises a screw conveyor arranged in the storage container for the aggregate near the bottom, and the Dosing screw has a shaft which is coaxial with the screw conveyor, preferably horizontal, and forms the connection between the storage container for the aggregate and the intermediate container of the device.

Zweckmäßigerweise ist der Anschlußstutzen durch einen Einsatz verschließbar, der bündig mit der Wandung des Zwischenbehälters abschließt. Dann ist (in dem Ansatzstutzen) kein Totraum vorhanden, wenn die Zusatzvorrichtung nicht angeschlossen ist.The connecting piece can expediently be closed by an insert which is flush with the wall of the intermediate container. Then there is no dead space (in the extension nozzle) if the additional device is not connected.

Die Zeichnung gibt ein Ausführungsbeispiel der Erfindung wieder.The drawing shows an embodiment of the invention.

Sie zeigt einen senkrechten Schnitt durch eine Vorrichtung zum kontinuierlichen Mischen von Trockenmörtel mit Wasser und eine Zusatzvorrichtung für einen Zuschlagstoff.It shows a vertical section through a device for the continuous mixing of dry mortar with water and an additional device for an aggregate.

In einem auf Rollen 1 abgestützten Maschinengestell 2 ist ein Vorratsbehälter 3 für einen Trockenmörtel angeordnet, wie Putz-, Estrich- oder Mauermörtel. Der Vorratsbehälter 3 besteht aus einem im ganzen ebenen, etwa um 50° gegen die waagerechte geneigten Boden 4 mit einem halbkreisförmigen unteren Abschnitt und einem daran anschließenden rechteckigen oberen Abschnitt sowie einer an diesen Boden angesetzten Wandung 5 derart, daß der Behälter einen sich nach oben erweiternden Querschnitt und einen in einer waagerechten Ebene liegenden oberen Rand erhält. Der Boden 4 weist koaxial mit seinem halbkreisförmigen unteren Abschnitt eine ungefähr konische Einziehung 6 auf. An der Stirnseite der konischen Einziehung 6 sitzt von unten ein Getriebemotor 7, dessen Welle den Boden in einer Dichtung durchsetzt und mit einem Förderrad 8 verbunden ist. Das Förderrad 8 streicht mit Schaufeln 9 über den Boden 4 und wirft das Material durch eine am oberen Ende seiner Bahn in dem Boden angeordnete Aussparung 10 aus.A storage container 3 for a dry mortar, such as plaster, screed or masonry mortar, is arranged in a machine frame 2 supported on rollers 1. The storage container 3 consists of an overall flat, approximately 50 ° against the horizontal inclined bottom 4 with a semicircular lower section and an adjoining rectangular upper section and a wall 5 attached to this floor such that the container widening upwards Cross section and an upper edge lying in a horizontal plane. The bottom 4 has an approximately conical recess 6 coaxially with its semicircular lower section. At the end of the conical recess 6, a gear motor 7 is seated from below, the shaft of which penetrates the bottom in a seal and is connected to a feed wheel 8. The feed wheel 8 sweeps across the floor 4 with blades 9 and ejects the material through a recess 10 arranged in the floor at the upper end of its path.

Unter der Aussparung 10 ist an den Boden ein das Material auffangender, in einem unteren Abschnitt trichterförmiger Zwischenbehälter 11 angesetzt. Er mündet in eine Mischkammer 12. Die Mischkammer 12 ist mit einem Rührwerkzeug versehen, das eine von einem oben angeordneten Motor 13 angetriebene Welle aufweist, die zugleich eine unten auf die Mischkammer 12 folgende Exzenter-Schneckenpumpe 14 antreibt. Ferner sitzt an der Welle in dem Zwischenbehälter 11 eine Förder- und Lockerungseinrichtung in Form einer der Trichterwandung des Zwischenbehälters angepaßten Wendel 15. Die Wendel 15 überstreicht die Trichterwandung mit geringem Abstand und lockert das Gut dabei auf und schiebt es nach unten. Am Ausgang der Exzenter-Schneckenpumpe 14 ist schließlich ein Schlauchanschluß 16 angebracht.Under the cutout 10, a material-collecting intermediate container 11 is attached to the bottom and funnel-shaped in a lower section. It opens into a mixing chamber 12. The mixing chamber 12 is provided with a stirring tool which has a shaft which is driven by a motor 13 arranged at the top and which at the same time drives an eccentric screw pump 14 which follows the mixing chamber 12 at the bottom. Furthermore, a conveyor and loosening device in the form of a spiral 15 adapted to the funnel wall of the intermediate container sits on the shaft in the intermediate container 11. The spiral 15 sweeps over the funnel wall at a short distance and loosens the material and pushes it downwards. Finally, a hose connection 16 is attached to the outlet of the eccentric screw pump 14.

Weiter zu erkennen sind eine Wasserarmatur 17 zum gleichmäßigen Einführen des Anmachwassers in die Mischkammer, ein Luftkompressor 18 zum Erzeugen der Anspritzluft für Putzmörtel und ein Luftfernsteuerschalter 19 zum Ein- und Ausschalten der Vorrichtung.Also recognizable are a water fitting 17 for uniformly introducing the mixing water into the mixing chamber, an air compressor 18 for generating the spray air for plastering mortar and an air remote control switch 19 for switching the device on and off.

So weit ist die Vorrichtung aus der DE-OS 24 07 657 sowie durch vielfältige Benutzung bekannt.So far the device is known from DE-OS 24 07 657 as well as from various uses.

An die beschriebene Vorrichtung ist eine Zusatzvorrichtung 20 angesetzt: Die Zusatzvorrichtung 20 weist auf einem teils auf Rollen 21, teils auf einem Bügel 22 abgestützten Maschinengestell 23 einen Vorratsbehälter 24 für Zuschlagstoffe auf. Nahe über seinem Boden führt durch den Vorratsbehälter 24 eine Förderschnecke 25, die mit gleicher Weller 26 in eine in einem Rohr 27 angeordnete Dosierschnecke 28 übergeht. Angetrieben ist die die Förderschnecke 25 und die Dosierschnecke 28 tragende Welle 26 durch einen außen an dem Vorratsbehälter angebrachten Getriebemotor 29. Dieser ist durch einen Frequenzumformer stufenlos verstellbar. Die Dosierschnecke 28 kann dadurch auf beliebige Fördermengen eingestellt werden.An additional device 20 is attached to the described device: The additional device 20 has a storage container 24 for additives on a machine frame 23 supported partly on rollers 21 and partly on a bracket 22. A feed screw 25 leads through the storage container 24 close above its bottom and, with the same shaft 26, merges into a metering screw 28 arranged in a tube 27. The shaft 26, which carries the screw conveyor 25 and the metering screw 28, is driven by a geared motor 29 mounted on the outside of the storage container. This is infinitely adjustable by means of a frequency converter. The metering screw 28 can thus be set to any delivery rate.

Das Rohr 27 ist mit seinem Ende bei 30 dicht in einen an dem trichterförmigen unteren Abschnitt des Zwischenbehälters 11 angeformten Stutzen 31 eingesteckt.The tube 27 is inserted with its end at 30 tightly into a nozzle 31 formed on the funnel-shaped lower section of the intermediate container 11.

Die Vorrichtung wie die Zusatzvorrichtung 20 können beide mit Sackware oder schaufelweise beschickt werden. Sie können auch Ergänzungen erhalten, um sie mit pneumatischen Förderanlagen zu beschicken. Sie können unter Silos oder an anderen Behältern angeordnet werden.Dabei läßt sich die Vorrichtung auf diese und die Zusatzvorrichtung auf jene Weise beschicken.The device and the additional device 20 can both be loaded with sacked goods or in shovels. You can also get supplements to feed them with pneumatic conveyors. They can be placed under silos or on other containers, whereby the device can be loaded in this way and the additional device in that way.

Claims (5)

1. An apparatus for the continuous mixing of dry mortar with water at a building site, more particularly for mechanical plastering, comprising a supply bin (3) for the dry mortar connected to an intermediate tank (11) containing a fragmenting appliance (15), a mixing chamber (12) having a water supply beneath the intermediate tank (11), and a pump (14), more particularly an eccentric worm pump (14), connected to the mixing chamber for the removal of the mixture, characterised in that a sealable connection piece (31) is provided on the side of the intermediate tank for an additional apparatus (20) which is adapted to be attached to said apparatus if required, said additional apparatus (20) consisting of a supply bin (24) for an aggregate and a continuous conveyor unit (25-29), which leads out of this supply bin (24) into the intermediate tank (11).
2. An apparatus as specified in Claim 1, characterised in that the conveyor unit (25-29) has an adjustable drive (29), preferably with a motor (29) which can be infinitely adjusted by a frequency converter.
3. An apparatus according to Claim 1 or 2, characterised in that the conveyor unit (25-29) comprises a metering screw (28).
4. An apparatus according to Claim 3, characterised in that the conveyor unit (25-29) also comprises a screw conveyor (25) disposed near the bottom of the supply bin (24) for the aggregate and the metering screw (28) has a shaft (26) having the same axis as the screw conveyor (25), which is preferably horizontal, and forms the connection between the supply bin (24) for the aggregate and the intermediate container (11) of the apparatus.
5. An apparatus as specified in one of Claims 1 to 4, characterised in that the connection piece (31) can be sealed by an insert flush with the wall of the intermediate tank (11).
EP86116350A 1985-12-07 1986-11-25 Device for the continuous mixing of dry mixed mortar with water Expired - Lifetime EP0226850B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86116350T ATE50440T1 (en) 1985-12-07 1986-11-25 DEVICE FOR CONTINUOUS MIXING OF DRY MORTAR WITH WATER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853543325 DE3543325A1 (en) 1985-12-07 1985-12-07 DEVICE FOR CONTINUOUSLY MIXING DRY MORTAR WITH WATER
DE3543325 1985-12-07

Publications (2)

Publication Number Publication Date
EP0226850A1 EP0226850A1 (en) 1987-07-01
EP0226850B1 true EP0226850B1 (en) 1990-02-21

Family

ID=6287916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86116350A Expired - Lifetime EP0226850B1 (en) 1985-12-07 1986-11-25 Device for the continuous mixing of dry mixed mortar with water

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EP (1) EP0226850B1 (en)
AT (1) ATE50440T1 (en)
DE (2) DE3543325A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4025590A1 (en) * 1990-08-13 1992-02-27 Koch Marmorit Gmbh Mortar mixing and pumping device - is suitable for prepn. of fine grain mortar for renovation work
DE4437107A1 (en) * 1994-10-18 1996-04-25 Putzmeister Maschf Pneumatic conveyor for dry powdery or granular material
DE19805084B4 (en) * 1998-02-09 2007-11-08 Maxit France S.A.S. Process for the preparation of screed of anhydrite
FR2888525A1 (en) * 2005-07-13 2007-01-19 Stemmi Sarl Humid product e.g. liquid concrete, production and ejection installation for building site, has assembly with material mixing device disposed at base of hopper and provided with liquid supply conduit for obtaining humid product
KR101029850B1 (en) 2010-08-20 2011-04-18 케미콘시스템 주식회사 Mortar pumping device of double mixing structure for preventing fibrous deposits
CN108327071A (en) * 2018-02-01 2018-07-27 曾袁 A kind of novel automatic decoration equipment
CN109335358A (en) * 2018-09-21 2019-02-15 贵州砂浆博士科技有限公司 A kind of transferring storage device of mortar production and processing
CN112374192A (en) * 2021-01-18 2021-02-19 烟台壹恒智能新材料有限公司 Conveying device for producing dry-mixed mortar powder

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Publication number Priority date Publication date Assignee Title
IT1120654B (en) * 1979-04-11 1986-03-26 Turbosol A I Spa MACHINE FOR CONTINUOUS MIXING AND SPRAY DISTRIBUTION OF PRODUCTS FOR PLASTERING AND COATING OF MASONRY WALLS
US4298288A (en) * 1980-01-25 1981-11-03 Anthony Industries, Inc. Mobile concreting apparatus and method
DE3013592C2 (en) * 1980-04-09 1983-09-29 P.F.T. Putz- und Fördertechnik GmbH, 8715 Iphofen Device for mixing, conveying and spraying plaster mortar
DE3126086C2 (en) * 1981-07-02 1985-03-21 Hebel Gasbetonwerk Gmbh, 8080 Emmering Process for preparing the dry components for the production of aerated concrete
DK156546C (en) * 1982-04-30 1990-01-29 Framix B V METHOD AND APPARATUS FOR MANUFACTURING MORTEL

Also Published As

Publication number Publication date
ATE50440T1 (en) 1990-03-15
DE3543325A1 (en) 1987-06-11
EP0226850A1 (en) 1987-07-01
DE3669070D1 (en) 1990-03-29

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