Patents Assigned to OUTOTEC (FILTERS) OY
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Patent number: 11292006Abstract: An anti-spin arrangement for a gyratory crusher including at least one seal element configured to provide sealing of the top bearing of the gyratory crusher and at least one anti-spin element configured to reduce the spinning of the head of the crusher. The arrangement further includes a first adjustment element and a second adjustment element, wherein the at least one seal element and the at least one anti-spin element are configured to be individually adjusted with the first adjustment element and the second adjustment element respectively. A gyratory crusher, a mineral material processing plant and a method of adjusting an anti-spin arrangement of a gyratory crusher are also disclosed.Type: GrantFiled: February 24, 2016Date of Patent: April 5, 2022Assignee: METSO OUTOTEC FINLAND OYInventors: Kari Kuvaja, Aki Lautala
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Publication number: 20220097082Abstract: A hydrocyclone for separating feed into overflow and underflow comprises a feed inlet, an overflow outlet, an apex for discharging underflow, an upper section connected to the feed inlet and the overflow outlet, a conical section between the upper section and the apex and a plurality of electrodes for measuring electrical conductivity inside the hydrocyclone to detect the formation of a roping state in the hydrocyclone. The plurality of electrodes are is positioned circumferentially in the conical section on an axial distance from the apex (dmeas); wherein dmeas is at least 5 percent of the axial distance be-tween the apex and the upper section, and dmeas is at most 50 percent of the axial distance between the apex and the upper section.Type: ApplicationFiled: January 11, 2019Publication date: March 31, 2022Applicant: Metso Outotec Finland OyInventors: Matti Sakaranaho, Teemu Soini, Jari Kourunen, Jani Kaartinen, Janne Loimi, Kari Heiskanen
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Publication number: 20220072560Abstract: The present disclosure relates to a monitoring system for a hydraulic system in a comminution apparatus including at least one pressurized accumulator. The monitoring system includes at least one pressure sensor and a control unit, wherein the pressure sensor is connected to the control unit. The pressure sensor is arranged to measure a pressure in the at least one accumulator and the control unit is configured to determine that a pressure in the accumulator is outside of a predefined range. The control unit is further configured to control a pressure regulating system that is arranged to restore the pressure in the pressurized accumulator.Type: ApplicationFiled: December 18, 2019Publication date: March 10, 2022Applicant: Metso Outotec Sweden ABInventors: Ian VanZyl, Carl Nicholls
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Publication number: 20220062951Abstract: A mobile mineral material processing station has a mobile platform having tracks or wheels or a skids for supporting or forming a body that supports in line, in a transport configuration: a feed conveyor; a screen frame and a multi-layer screen; first and second exit conveyors; and a third exit conveyor on top of the first and second exit conveyors. The first exit conveyor turns from a transport position, under the third exit conveyor, to a first operation direction, onto a first side of the station, for operating the station, and back. The second exit conveyor turns from a transport position, under the third exit conveyor, to a second operation direction onto a second side of the station, opposite to the first side, and back.Type: ApplicationFiled: December 19, 2019Publication date: March 3, 2022Applicant: Metso Outotec Finland OyInventor: Vesa-Matti Salminen
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Publication number: 20220062952Abstract: A mobile mineral material processing station has a mobile platform having tracks or wheels or a skids for supporting or forming a body that supports in line, in a transport configuration: a feed conveyor; a screen frame and a multi-layer screen; first and second exit conveyors; and a third exit conveyor on top of the first and second exit conveyors. The first exit conveyor turns from a transport position, under the third exit conveyor, to a first operation direction, onto a first side of the station, for operating the station, and back. The second exit conveyor turns from a transport position, under the third exit conveyor, to a second operation direction onto a second side of the station, opposite to the first side, and back.Type: ApplicationFiled: December 19, 2019Publication date: March 3, 2022Applicant: Metso Outotec Finland OyInventor: Vesa-Matti Salminen
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Publication number: 20220055546Abstract: An on-road truck body lining for protecting an on-road truck body from wear. The on-road truck body lining includes a plurality of main lining elements and a plurality of edge lining elements. Each main lining element includes a load-facing element having one or more transition sides, each transition side being adapted to meet a corresponding transition side of an adjacent edge lining element. A reinforcement plate having a main portion is fixedly attached to the load-facing element in a stacked configuration and having one or more end portions, each of the one or more end portions protruding out from a transition side of the load-facing element to form a respective flange. In use, the one or more end portions of the reinforcement plate are each arranged to be covered by a respective adjacent edge lining element such that the respective adjacent edge lining element, upon being fixated, clamps the main lining element to the on-road truck body.Type: ApplicationFiled: December 11, 2019Publication date: February 24, 2022Applicant: Metso Outotec Sweden ABInventors: Jens Lagerskiöld, Henrik Persson
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Publication number: 20220055039Abstract: A method of treating process water of a flotation plant is disclosed. The flotation plant comprises a mineral flotation line and a process water circuit for treating underflow and/or overflow of the flotation line. The process water circuit comprises a gravitational solid-liquid separator for dewatering underflow and/or overflow of the mineral flotation line to separate sediment from supernatant comprising at least water and unrecovered fine particles comprising valuable material; and a recover water tank for collecting process water. According to the method, prior to leading supernatant from the gravitational solid-liquid separator into the recover water tank, it is subjected to cleaning flotation, in which at least 90% of the flotation gas bubbles have a size from 0.2 to 250 ?m, in a cleaning flotation unit. An arrangement for treating process water of a flotation plant, and its use are also disclosed.Type: ApplicationFiled: December 18, 2018Publication date: February 24, 2022Applicant: Metso Outotec Finland OyInventor: Kaj Jansson
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Patent number: 11247213Abstract: A flotation method for recovering valuable metal containing ore particles from ore particles suspended in slurry is disclosed. In the method, the slurry is treated in an at least one overflow flotation cell and the valuable metal containing ore particles are recovered by conducting the continuous upwards flow of slurry out of the at least one overflow flotation cell as slurry overflow. At least part of the slurry overflow is conducted to a further treatment step in a treatment system.Type: GrantFiled: August 15, 2016Date of Patent: February 15, 2022Assignee: OUTOTEC (FINLAND) OYInventors: Antti Rinne, Peter Gerard Bourke
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Publication number: 20220023873Abstract: A crusher device such as a cone or gyratory crusher is disclosed. The crusher device includes a shaft defining a first direction parallel to its length. The shaft includes an upper shaft end, a crusher head, and an overload safety device that couples the crusher head to the upper shaft end. The overload safety device includes a biasing device configured to bias the crusher head away from the upper shaft end in the first direction. The overload safety device is configured to permit displacement of the crusher head along the first direction relative to the shaft in response to a force acting on the crusher head in the first direction.Type: ApplicationFiled: July 20, 2021Publication date: January 27, 2022Applicant: Metso Outotec USA Inc.Inventors: Andrzej Niklewski, Paulo Barscevicius
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Patent number: 11224829Abstract: An arrangement and a method for controlling a dewatering process including measuring values representing operating parameters of the gravitational sedimentation device and using the values as input values for a predictive multivariable model for predicting an operating state of the gravitational sedimentation device. The disclosure further relates to obtaining reference values for the operating parameters, determining at least one predicted output for an operating parameter of the gravitational sedimentation device, and comparing the predicted output to at the reference values to determine control values that will affect changes in operation of the gravitational sedimentation device.Type: GrantFiled: February 10, 2017Date of Patent: January 18, 2022Assignee: OUTOTEC (FINLAND) OYInventors: Mika Kosonen, Sakari Kauvosaari
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Patent number: 11199513Abstract: An X-ray fluorescence analyzer including an X-ray tube for emitting incident X-rays in the direction of a first optical axis. A slurry handling unit is configured to maintain a constant distance between a sample of slurry and the X-ray tube. A first crystal diffractor is located in a first direction from the slurry handling unit. The first crystal diffractor includes a first crystal and a first radiation detector configured to detect fluorescent X-rays diffracted by the first crystal at a first energy resolution. A second crystal diffractor is located in a second direction from the slurry handling unit. The second crystal diffractor includes a second crystal and a second radiation detector configured to detect fluorescent X-rays diffracted by the second crystal at a second energy resolution.Type: GrantFiled: April 20, 2018Date of Patent: December 14, 2021Assignee: Outotec (Finland) OyInventors: Tommi Koskinen, Antti Pelli, Heikki Sipilä
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Publication number: 20210379605Abstract: A method for treating process water of a flotation arrangement is disclosed. The process comprising the steps of a) dewatering overflow of a mineral flotation circuit in a gravitational solid-liquid separator to separate a sediment from a supernatant comprising water, silica-containing particles and soluble SiO2, fine particles, microbes, and residual flotation chemicals; b) subjecting the supernatant to cleaning flotation, in which at least 90% of the flotation gas bubbles have a size from 0.2 to 250 ?m, in a cleaning flotation unit for collecting at least silica-containing particles, for separating at least silica-containing particles from the supernatant into cleaning flotation overflow, and for forming purified process water as cleaning flotation underflow; c) removing cleaning flotation overflow as tailings; and d) recirculating purified process water into the mineral flotation circuit. A process water treatment arrangement is also disclosed.Type: ApplicationFiled: October 29, 2018Publication date: December 9, 2021Applicant: Metso Outotec Finland OyInventor: Kaj Jansson
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Patent number: 11167932Abstract: The assembly of the disclosure includes two inclined side rollers and two central rollers, each one of the rollers being mounted around a respective shaft. The shaft of each side roller has an upper end hinged to a respective support portion arranged on one side of the conveyor belt, the shaft of each central roller having ends mounted on opposite sides of a rocker frame. Each one of the opposite sides of the frame has a median portion hinged, in an suspended way, at the lower end of the shaft of a respective side roller.Type: GrantFiled: March 29, 2019Date of Patent: November 9, 2021Assignee: Metso Outotec Finland OyInventors: Rodrigo Alfredo Gomes, Andrzej Niklewski
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Publication number: 20210323002Abstract: A flotation cell for treating particles suspended in slurry and for separating the slurry into an underflow and an overflow is disclosed. The flotation cell includes a flotation tank including a center, a perimeter, a bottom, and a side wall; and a launder and a launder lip surrounding the perimeter of the flotation tank. The flotation tank further includes blast tubes for introducing slurry infeed into the flotation tank. A flotation line, as well as a use of the flotation line is also disclosed.Type: ApplicationFiled: August 1, 2018Publication date: October 21, 2021Applicant: Metso Outotec Finland OyInventors: Peter Bourke, Steve Schmidt, Antti Rinne, Jere Tuominen, Valtteri Vaarna, Aleksi Peltola
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Publication number: 20210325321Abstract: An X-ray fluorescence analyzer system including an X-ray tube, a slurry handling unit, and a crystal diffractor located in a first direction from the slurry handling unit. The crystal diffractor separates a predefined wavelength range from fluorescent X-rays that propagate into the first direction, and directs the fluorescent X-rays in the separated predefined wavelength range to a radiation detector. The crystal diffractor includes a pyrolytic graphite crystal. The predefined wavelength range includes characteristic fluorescent radiation of a pre-defined element of interest with its atomic number Z between 41 and 60, the ends included. An energy resolution of the radiation detector is better than 600 eV at the energy of the characteristic fluorescent radiation.Type: ApplicationFiled: February 18, 2019Publication date: October 21, 2021Applicant: Outotec (Finland) OyInventors: Heikki Sipilä, Antti Pelli, Tommi Koskinen
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Patent number: 11148146Abstract: A cone crusher, including a supporting device being arranged inside a cavity of a main shaft of the crusher. The supporting device is arranged to support a crushing head, and to be vertically displaceable for adjusting the width of a crushing gap. The supporting device has an upper portion enclosed by the crushing head, the upper portion being arranged to provide support to the crushing head. A lower portion extends downwards within the cavity of the main shaft, wherein the upper portion and the lower portion have different outer dimensions as defined transverse to the shaft axis. A pressure-active surface is formed at a transition between the upper portion and the lower portion so as to form a variable-volume compression chamber within the cavity below the pressure-active surface.Type: GrantFiled: March 25, 2019Date of Patent: October 19, 2021Assignee: Metso Outotec Finland OyInventors: Pierrick Boulay, Mika Peltonen, Paulo Barscevicius, Aki Lautala, Nicolas Gallay, Jonathon Hoogland, Andrzej Niklewski, Maxime Delahaye, Kari Kuvaja
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Publication number: 20210308688Abstract: The present disclosure relates to a crusher mantle lifting device. Attachment elements are configured to be attachable to a crusher mantle. Each attachment element includes a main portion having an inner surface facing the mantle and an outer surface. A locking portion projects from the inner surface and is configured to protrude into a corresponding opening in the mantle. One or more lifting portions project from the outer surface. A tightening means is configured to press the attachment elements towards the crusher mantle. The disclosure also relates to an arrangement and a method.Type: ApplicationFiled: August 30, 2019Publication date: October 7, 2021Applicant: Metso Outotec Finland OyInventors: Mikko Malkamäki, Tuomas Teeri
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Publication number: 20210255123Abstract: An X-ray fluorescence analyzer includes an X-ray tube for emitting incident X-rays in the direction of a first optical axis. A slurry handling unit is configured to maintain a constant distance between a sample of slurry and the X-ray tube. A first crystal diffractor is located in a first direction from the slurry handling unit and configured to separate a predefined first wavelength range from fluorescent X-rays that propagate into the first direction. The first crystal diffractor is configured to direct the fluorescent X-rays in the separated predefined first wavelength range to a first radiation detector. The first crystal diffractor includes a pyrolytic graphite crystal that has a diffractive surface, which is a simply connected surface. The first radiation detector is a solid-state semiconductor detector.Type: ApplicationFiled: April 20, 2018Publication date: August 19, 2021Applicant: Outotec (Finland) OyInventors: Tommi Koskinen, Antti Pelli, Heikki Sipilä
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Publication number: 20210255121Abstract: An X-ray fluorescence analyzer comprises an X-ray tube for emitting incident X-rays in the direction of a first optical axis. A slurry handling unit is configured to maintain a constant distance between a sample of slurry and the X-ray tube. A first crystal diffractor is located in a first direction from the slurry handling unit, and configured to separate a predefined first wavelength range from fluorescent X-rays that propagate into the first direction. It is configured to direct the fluorescent X-rays in the separated predefined first wavelength range to a first radiation detector. The input power rating of said X-ray tube is at least 400 watts. The first crystal diffractor comprises a pyrolytic graphite crystal. The optical path between said X-ray tube and the slurry handling unit is direct with no diffractor therebetween.Type: ApplicationFiled: April 20, 2018Publication date: August 19, 2021Applicant: Outotec (Finland) OyInventors: Tommi Koskinen, Antti Pelli, Heikki Sipilä
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Publication number: 20210255122Abstract: An X-ray fluorescence analyzer including an X-ray tube for emitting incident X-rays in the direction of a first optical axis. A slurry handling unit is configured to maintain a constant distance between a sample of slurry and the X-ray tube. A first crystal diffractor is located in a first direction from the slurry handling unit. The first crystal diffractor includes a first crystal and a first radiation detector configured to detect fluorescent X-rays diffracted by the first crystal at a first energy resolution. A second crystal diffractor is located in a second direction from the slurry handling unit. The second crystal diffractor includes a second crystal and a second radiation detector configured to detect fluorescent X-rays diffracted by the second crystal at a second energy resolution.Type: ApplicationFiled: April 20, 2018Publication date: August 19, 2021Applicant: Outotec (Finland) OyInventors: Tommi Koskinen, Antti Pelli, Heikki Sipilä