A pump capable of shear mixing and supplying high density grout over long distances and through relatively narrow conduits. The pump includes a hopper, a series of agitators in the hopper and a coincident auger and rotor/stator disposed below the hopper. The pump is held together by a pair of side bars having quick release bear clamp clasps for expeditious disassembly.

High density grout pump

of EP0496685Method and device for preparing, transferring and applying a homogenous aqueous mineral suspension, which is fluid and slightly aerated containing pulverulent mineral materials, at least one binder and, possibly other known constituents, through a stage of forming the suspension, in a first mixing zone (3), a stage of pressurising using a pump with an eccentric screw (6), which is characterised in that before its transfer and application to the site, the suspension is subjected to a second mixing stage (7). Method and device are implemented in the fields of building and public works, especially for cleaning down surfaces.

Method and device for preparing, transferring and applying continuously a fluid aqueous mineral cleaning down suspension.

Vorrichtung zur baustellenseitigen Herstellung von pumpfähigen Mörtelmassen

A pump for pumping high density cement or mortar over relatively long distances consists of a container (12) with a vertically mounted rotor which is mounted on a shaft (20). The mortar or cement falls into the housing (32) of a screw conveyor (36) which has cutter blades (38) attached near the outlet end. The cement or mortar is driven to a serpentine rotor (50) which operates in a stator (52). This stator (52) and the end cover (80), which carries the driving motor (42), are fastened to the housing (32) of the screw conveyor (36) by clamps actuated by manually operated levers. USE - Transport of wet mortar or cement.

Pump designed to handle wet cement - has screen conveyor connected to serpentine rotor mounted in stator

of EP0584573A screw mixing device (4) which can be charged with dry material is followed coaxially by a screw pump (7) The screw mixing device (4) and the screw pump (7) have a common drive unit (6, 6a) The common axis, directed obliquely upwards in the conveying direction, encloses an angle of between 10 DEG and 30 DEG with the horizontal The mixing element (5) of the screw mixing device has a first section designed essentially for conveying the dry material as far as a water connector (11) and a second section designed for mixing the dry material with the water The dry material may be dry mortar or only binder In the latter case, the screw mixing device (4) has, at the level of its second section, an opening at the top for charging with sand

Device for making pumpable mortar on the building site

of EP0300342The device for mixing plaster or mortar has, in succession, a mortar container (14), a mixer (15), a pump (12) and a conveying hose, and a vessel (10) provided with a stirrer (21, 23) is connected between the mixer (15) and the pump (12), the mixture having a free surface (37) in contact with the air and moved by the stirrer (21, 23). This enables the air content of the mortar/water mixture to be better controlled. Via the free surface in contact with the air, the same mortar/water mixture, provided with surface-active agents as pore formers, receives far more finely distributed air than is possible with conventional types of air introduction. For this purpose, the stirrer does not even need to strike the air. It can remain below the surface and needs only to generate movement on the surface. By contrast, the mortar, which is provided with anti-foaming agents, defoams on the free surface. The majority of the unwanted air escapes.

Device for continuously mixing mortar with water and for transporting this mixture by pumping

In einer Vorrichtung zum kontinuierlichen Mischen eines Putz­mortels oder Fliesestriches mit Wasser und Verpumpen des Gemisches, die aufeinanderfolgend einen Mortelbehalter (14), einen Mischer (15), eine Pumpe (12) und einen Forderschlauch aufweist, ist zwischen den Mischer (15) und die Pumpe (12) ein mit einem Ruhrwerkzeug (21, 23) versehenes Gefas (10) geschal­tet, in dem die Mischung eine, von dem Ruhrwerkzeug (21, 23) bewegte, freie Oberflache (37) an der Luft hat.

Hans-Peter Dipl.-Ing. Irsch

Papers

Device for continuously mixing mortar with water and for transporting this mixture by pumping

Vorrichtung zum kontinuierlichen Mischen eines Mörtels mit Wasser und Verpumpen des Gemisches