Abstract: A decanter centrifuge, for separating a sludge into components, with a rotor and a scroll arranged inside the rotor. The rotor is configured at least partially as a solid bowl rotor with at least a cylindrical section and a conical section. The rotor includes a first end face, concluding the cylindrical section of the rotor, with a first diameter, and a second end face, concluding the conical section, with a second smaller diameter. A flange with one or multiple openings is arranged on the first end face, wherein one or multiple weir plates are fastened to the flange which at least partially cover the openings and are arranged to set a liquid level inside the rotor and form a first radial outlet edge for letting out a liquid at the first end face. The weir plates include an elastically deformable coating on their side facing the flange.

Abstract: A fastening system for screening machines and/or setting machines for fastening replaceable screen lining segments and/or replaceable anti-wear elements in or to a screening machine having at least one frame which receives the screen lining segments and/or supports the anti-wear elements. For fastening of a screen lining segment and/or of an anti-wear element at least one adapter is fastened to the frame, the adapter having at least one magnet. The magnet interacts with the frame and/or with at least one ferromagnetic coupling element arranged in a vibration-proof manner in or on the screen lining segment and/or anti-wear element and in this way produces a magnetic connection between the adapter and the frame and/or between the adapter and the screen lining segment and/or anti-wear element. Additionally, a screening machine having such a fastening system.

Abstract: The invention relates to a centrifuge basket for a screen centrifuge, in particular a screen helical-conveyor, a push-type or vibrating screen centrifuge, with an outer conical supporting basket (10, 20) and screen segments (12, 22, 32) enclosed in the supporting basket (10, 20), the supporting basket (10, 20) on its rear edge having an annular groove (17) into which the screen segments (12, 22, 32) are positively inserted, the screen segments (12, 22, 32) on their side facing the supporting basket (10, 20) having at least one clip (13, 23, 33) which is transversed by at least one screw (15, 25) and by means of which the screen segments (12, 22, 32) are detachably fixed on the front edge of the supporting basket (10, 20).

Abstract: The invention relates to a method for producing a screen netting (1), whereby openings (2) are made in a blank by means of water jet cutting, whereby the water jet cutting is carried out in several steps, whereby in a first step, a pre-cutting of the openings (2) of the screen netting (1) is carried out, and in at least one second step, a finish-cutting of the openings (2) of the screen netting (1) is carried out. The invention also relates to a screen netting (1) that is produced in such a way.

Abstract: The invention relates to an inlet elbow (1), in particular for a screen centrifuge, whereby the inlet elbow (1) comprises a bend (8) in which material to be transported is deflected and wherein the bend (8) comprises a curved screen (6) by means of which liquid is removed from the material and discharged.

Abstract: The invention relates to a centrifuge basket for a screen centrifuge, in particular a screen helical-conveyor, a push-type or vibrating screen centrifuge, with an outer conical supporting basket (10, 20) and screen segments (12, 22, 32) enclosed in the supporting basket (10, 20), the supporting basket (10, 20) on its rear edge having an annular groove (17) into which the screen segments (12, 22, 32) are positively inserted, the screen segments (12, 22, 32) on their side facing the supporting basket (10, 20) having at least one clip (13, 23, 33) which is transversed by at least one screw (15, 25) and by means of which the screen segments (12, 22, 32) are detachably fixed on the front edge of the supporting basket (10, 20).

Abstract: The invention relates to an endless screw of a centrifuge for discharging centrifuged material from a centrifuge, comprising a series of thin ceramic plates which are fixed next to one another at the outer edge of the screw, characterized in that at least two formed ceramic projections, particularly ceramic pins, protrude from the thin ceramic plates and are arranged in one or two lateral faces of the edge of the screw, i.e. in recesses which are profiled according to the protrusions or pins.

Abstract: The invention relates to an endless screw of a centrifuge for discharging centrifuged material from a centrifuge, comprising a series of thin ceramic plates which are fixed next to one another at the outer edge of the screw, characterized in that at least two formed ceramic projections, particularly ceramic pins, protrude from the thin ceramic plates and are arranged in one or two lateral faces of the edge of the screw, i.e. in recesses which are profiled according to the protrusions or pins.

Abstract: The invention relates to an outer support basket of the centrifuge basket of a screen centrifuge, wherein screen segments can be secured by conical means in the support basket, the support basket has a plurality of concentric support rings with a rectangular cross section with greater width than thickness and the broad sides of the rings lie parallel to one another and at right angles to the basket axis, wherein the support rings are spaced apart from one another by axially parallel rods which run through the support rings.

Abstract: A pusher centrifuge has a housing and a centrifuge drum arranged in the housing. A pusher bottom is arranged in the centrifuge drum. A filler pipe is connected to the housing and extends concentrically into the centrifuge drum. Material to be centrifuged is introduced into the centrifuge drum through the filler pipe in a direction of filling. A distribution cone is positioned downstream of the filler pipe in the centrifuge drum. The distribution cone has a wide end and a narrow end. The wide end is positioned facing the pusher bottom and spaced from the pusher bottom by an annular gap. An annular cup is arranged at the pusher bottom and projects concentrically from the pusher bottom into the centrifuge drum. It surrounds the wide end of the distribution cone.

Abstract: An eccentric vibrating mill with at least one grinding container, to which is solidly attached the exciter unit as vibrating drive, and in which for the purposes of improving the grinding properties of conventional vibrating mills according to the present invention there is provision for the grinding container to be excited eccentrically on one side, that is, outside the gravity axis and the mass center of the grinding container, whereby a balancing mass is provided for balancing the eccentric mass and the drive side spring axis lies between the gravity axes of the grinding container and the exciter unit and the exciter unit is operated such that uneven vibrations such as circular, elliptical and linear vibrations are produced.

Abstract: A safety coupling having a first drive/output element that is coupled with a second drive/output element via two disengageable coupling elements in the form of two-armed levers that are pivotably disposed on the second drive/output element. First lever arms of these levers are counterstops that in an engaged state of the coupling are disposed in the path of movement of stops that are disposed on the first drive/output element. Second lever arms are supported against a support plate that is shiftable against the force of a compression spring. When an unacceptably high torque occurs, the levers, as a result of forces acting upon the first lever arms, are first pivoted against the compression spring and shift the support plate. After a prescribed pivot angle has been exceeded, the second lever arms, under the effect of the compression spring, pivot further into an end position in which the first lever arms are disposed completely beyond the path of movement of the stops; the coupling is disengaged.

Abstract: A screening machine in which screens or portions of screens of elastic material and having substantially the shape of conical frustums are arranged one below the other. The circular edges of the screens are supported by holders which are mounted to a rotating shaft by means of bearings. The bearings of alternate holders being mounted on eccentric crank pins to drive such holders, without their rotating, in a substantially circular horizontal oscillatory motion to impart to each screen a rapid vibratory motion in which every section thereof participates. The vibratory motion results from a portion moving into and out of tension in conjunction with the rotation of eccentric crank pins.

Abstract: A vibratory centrifuge for the dewatering of coal sludge, washed small coal or slack which comprises a revolvable conical screen which has a diameter that increases towards its discharge end. The conical screen is vibratable in an axial direction and includes radial steps each having a height of at least 20 mm to rearrangement or loosen the material in the zone of each step.

Abstract: A two-stage pusher centrifuge with a pusher bottom and an axially displaceable cylindrical inner drum which serves as pusher element for a subsequent outer drum which is cylindrical within the pusher region. That cylindrical section of the outer drum which is located in the pusher region is followed by a conically widening section conically widening toward the open drum end.