Metso Finland Oy

An arrangement for dust blocking in a cone crusher, a cone crusher, and a method for the dust blocking and manufacturing the cone crusher, in which a crusher head is supported by a support cone. A linear actuator vertically moves the crusher head for setting adjustment and/or tramp iron release. A lower surface of the support cone, at least in part, defines a downwards opening annular cavity. The crusher head radially movably supports a seal ring. A lip is formed for the annular cavity by the seal ring. A slip ring extends into the annular cavity beyond the seal ring and forms a counter-surface for the seal ring. The slip ring at least in part defines a pressurised gas supply channel and an entry channelling interconnecting the pressurised gas supply channel to the annular cavity.

A cone crusher head, system, and crusher including the cone crusher head and system. A conical mantle radially extends from an interference fit section and has a head diameter D ch . The conical mantle has a wear part support surface and a shaft support surface. The interference fit section has a nominal interference fit diameter D if . The conical mantle has an armpit groove for receiving a slip ring. The armpit groove is covered by the conical mantle with an armpit thickness L a . Fretting wear is reduced by dimensioning the crusher head so that a ratio of the head diameter D ch to the nominal interference fit diameter D if is most 2.5; and a ratio of the head diameter D ch to the armpit thickness L a is at least 10.5.

A replacement kit of wear lining elements for a screw flight system in a vertical grinding mill including a helical screw flight. The screw flight system further includes a guiding system including at least one guide pin configured to be arranged on one of the helical screw flight and the at least one wear lining element, and at least one guide hole arranged on the other of the helical screw flight and the at least one wear lining element, wherein the at least one guide hole being configured to receive the at least one guide pin.

A double shaft paddle mixer, including a barrel chamber, and a first paddle screw and a second paddle screw. The first paddle screw is provided with first paddles and the second paddle screw is provided with second paddles. The barrel chamber includes a crushing zone and a mixing zone. The crushing zone is partly separated from the mixing zone by a partition member. A first inlet is connected to the crushing zone and a second inlet is connected to the mixing zone and an outlet connected to the mixing zone. The double shaft paddle mixer can be part of an arrangement and part of a method for producing paste.

A filter plate assembly which is resistant to both wear and deformation caused by creeping, while facilitating maintenance thereof. A filtrate vat is provided that is formed on, and integral with the filter plate, in addition to a separate, replaceable vat liner. In this way, a rigid structure of the filtrate vat capable of resisting deformation may be achieved, while the vat liner separates the filtrate from the filtrate vat and the associated filter plate, providing wear resistance and facilitating maintenance. The present disclosure further concerns the filter plate and the filtrate vat.

A sealing strip for sealing adjacent filter plate assemblies of a horizontal filter press. The disclosure is based on the idea of providing the sealing strip with a stiffener at a base portion of the sealing strip, positioned such that it intersects with a line running through a ridge provided on a distal portion of the sealing strip and extending along a vertical direction, perpendicular to both the length direction and the width direction of the sealing strip, as seen along the cross-sectional profile of the sealing strip. A filter frame, a filter frame assembly and a filter apparatus having such a sealing strip are also provided.

A grid and a vat for a vat assembly of a vertical filter press such as a tower press is disclosed. The grid is provided with a topographical pattern engaging with a corresponding, inverse topographical pattern on the filtrate vat. The topographical patterns guide the filtrate flow towards a filtrate outlet and reduces the formation of vortices and turbulent flow of the filtrate, hence increasing the filtrate flow rate through the vat. Simultaneous, the topographical patterns improve secure attachment of the grid onto the vat, thereby allowing increased travel speed of the filter medium during advancement thereof. As a result, the cycle time of a filtration process may be reduced, and consequently, the overall capacity of the associated filter press is increased. A filtrate vat assembly and a vertical filter are also disclosed.

A burner lance for industrial heating equipment includes a first fuel channel for fuel, the first fuel channel being provided with a first fuel outlet member at an outlet end of the burner lance. The burner lance further includes a first air channel for air, the first air channel being provided with a first air outlet member at the outlet end, and a second fuel channel for fuel, the second fuel channel being provided with a second fuel outlet member at the outlet end. At least the second fuel outlet member is provided with a widening member configured to widen the angle of the fuel flow exiting the burner lance outwards from the longitudinal axis of the burner lance. The first air channel is provided radially outwards from at least two of the fuel channels at the outlet end.

A belt or chain driven mineral material processing device vibrator. The vibrator includes a vibrator shaft drive wheel configured to reside at least partially in a radial direction around a bearing of a vibrator shaft that extends through a device frame of a mineral material processing device. An eccentric is configured to be mounted to the vibrator shaft so that the eccentric extends in axial direction of the vibrator shaft beyond the vibrator shaft drive wheel outwards of the device frame. A method for vibrating a mineral material processing device by a belt or chain, a method for producing a belt or chain driven mineral material processing device vibrator, a method for controlling a belt or chain driven mineral material processing device vibrator, and a mobile mineral material processing plant including the mineral material processing device vibrator are also disclosed.

A conveyor belt scraper blade configured to scrape off material from a conveyor belt surface. The conveyor belt scraper blade includes a supporting shell structure presenting a scraper tip at a first end and a mounting base at a second, opposite, end and being tapered towards the scraper tip at least at the first end, and one or more scraper elements arranged within the supporting shell structure so as to at least partially fill an interior thereof at the first end. The supporting shell structure is made of a first material and the one or more scraper elements are made of a second material, and wherein the first and second materials are different. A method for manufacturing a conveyor belt scraper blade is also provided.