Abstract: A wear part for a mineral material processing apparatus includes an outer wear surface which includes an initial phase wear surface to be put in crushing contact with an opposite wear surface, and an end phase wear surface to be taken vertically into use in the crushing process from under the initial wear surface when the wear is progressing. The wear part includes an end phase wear surface with a protrusion to be put in use when the wear of the outer wear surface is progressing. By means of the protrusion, the working life of the wear part can be prolonged. A mineral material processing apparatus and a mineral material processing plant is also disclosed.

Abstract: A method for operating a mineral material crusher, a system including a crusher, and a crushing plant. The mineral material crusher, includes a first crushing element and a second crushing element, defining a crusher gap therebetween. The crusher gap is maintained using at least one hydraulic cylinder, the hydraulic liquid pressure in at least one of the hydraulic cylinders is measured and hydraulic liquid is evacuated from the hydraulic cylinder when the hydraulic liquid pressure exceeds a set opening pressure limit. During the crushing process the following steps are repeated: generating, based on the hydraulic liquid pressure measurement, a representative value of a normal hydraulic liquid pressure in the at least one hydraulic cylinder caused by the crushable material in that crushing application; comparing the generated representative value and the set opening pressure limit; and selecting opening pressure limit which is higher than the measured normal hydraulic liquid pressure.

Abstract: A frame of a jaw crusher comprises a front wall for receiving crushing force and side walls connected to the front wall. The frame of the jaw crusher comprises a front part and a rear part joinable to the front part, and the front part comprises the front wall, and a major part of the front wall and the front part of both side walls form a unitary piece. A jaw crusher and a crushing plant.

Abstract: A cone crusher having a frame, an outer blade adapted to be locked to the frame, an inner blade eccentrically and vertically movable relative to the outer blade, and the inner blade and the outer blade define there between a crushing chamber, a main shaft which is stationary relative to the frame, an eccentric bearing-mounted on the main shaft, a support cone on which the inner blade is arranged, and an adjustment shaft by means of which the support cone is vertically movable from below. A hollow space is arranged inside the main shaft, the adjustment shaft is arranged to the hollow space, a load cylinder is arranged to a lower end of the main shaft which load cylinder comprises an adjustment piston acting to a lower end of the adjustment shaft, a pressure medium supply is arranged to a pressure volume under the adjustment piston for moving vertically the adjustment shaft, and a lubricant supply is arranged above the adjustment piston for directing lubricant via the hollow space to targets to be lubricated.

Abstract: A wear part for a mineral material processing apparatus includes an outer wear surface which comprises an initial phase wear surface to be put in crushing contact with an opposite wear surface, and an end phase wear surface to be taken vertically into use in the crushing process from under the initial wear surface when the wear is progressing. The wear part comprises an end phase wear surface with a protrusion to be put in use when the wear of the outer wear surface is progressing. By means of the protrusion working life of the wear part can be prolonged. A mineral material processing apparatus and a mineral material processing plant.

Abstract: A movable processing apparatus for mineral material processing and a frame for the processing apparatus which apparatus comprises a movable frame which frame comprises a support part for supporting the frame against the ground and a rear part which is attached to the support part for receiving mineral material and a neck part which comprises a curved bottom surface, and the support part and the rear part are attached to each other through the neck part. The frame further comprises a centre part, above the support part, which centre part is attached to the support part, and a curved nape part which comprises a curved upper surface and through which nape part the centre part and the rear part are attached to each other, and that the upper surface and the bottom surface are curved in opposite directions.

Abstract: An apparatus for mineral material processing including a movable frame and a side conveyor which is attached to the frame and a pivot joint for the side conveyor which pivot joint is attached between the side conveyor and the frame, and the side conveyor is pivotable horizontally around the pivot joint to one or more operating positions at least on one side of the processing apparatus and to a transportation position.

Abstract: A mineral material processing plant and a method for controlling thereof. The mineral material processing plant includes at least one motor, at least one actuator, a control system, an arrangement for holding the operating speed of the at least one actuator substantially unchanged. The control system is configured to control the processing plant in such a way that a change of amount and/or quality of material arriving to be processed is recognized and in response to the recognized change of amount and/or quality of the material arriving to be processed, the load of a motor is recognized, and in response to the recognized load of the motor, the running speed of the motor or motors of the mineral material processing plant is increased or decreased so that the operating speed of at least one actuator is held substantially unchanged.

Abstract: A feed apparatus for feeding mineral material includes a first frame, a feed box fixed to the first frame and having walls for the mineral material to be loaded to the apparatus, and a feed device joined to the first frame so that the material ends up onto a transport surface of a transport member of the feed device. The transport surface and a bottom edge of the wall of the feed box form a gap therebetween. The feed apparatus includes distance adjustment members to move the transport surface and the bottom edge relative to each other. Preferably the distance adjustment members are pivoted on the first frame and the feed. device. A method for adjusting the feed apparatus includes moving the transport surface of the feed device and the bottom edge of the wall of the feed box relative to each other by distance adjustment members.

Abstract: A method for lifting an inner wear part of a gyratory or cone crusher and an inner wear part lifting tool for use with the method. The gyratory or cone crusher has a frame, an outer wear part fixable to the frame and the inner wear part fixable to a support cone of the crusher which outer and inner wear part define a crushing chamber. The inner wear part has an inner surface including a first inner support surface arranged, in a crushing phase, to be supported by a first counter surface of the support cone. In a first phase, a lifting arm of a lifting tool is arranged inside the inner wear part and under the inner surface of the inner wear part. In a second phase, an upper second counter surface of the lifting arm is coupled with a second inner support surface of the inner wear part.

Abstract: In a mineral material processing method, mineral material is processed in a mineral material processing plant. Heat generated in heat sources of the processing plant and/or fuel used in a motor of the processing plant is cooled in a cooler of the processing plant. The cooler is equipped with a blower. Wetting water is directed to the mineral material for binding dust generated in the processing. Heat of at least one heat source of the processing plant and/or heat of the fuel is transferred to the wetting water before using the wetting water for dust binding. The wetting water is directed, before the dust binding, to a first heat exchanger for receiving heat in the wetting water.

Abstract: A mineral material processing plant and a method for controlling thereof The mineral material processing plant includes at least one motor, at least one actuator, a feeder device, a control system, and an arrangement for recognizing a need to switch off a standby-mode. The control system is configured to control the processing plant in such a way that the need to switch off a standby mode is automatically recognized. In response to the recognized need to switch off the standby mode the running speed of a motor or motors of the mineral material processing plant is raised from a stand-by speed (Rsb) to a process speed (Rf); and the feeding of mineral material into the processing plant is enabled.

Abstract: A conveyor for conveying mineral material vertically includes a conveyor frame; at least two conveyor main rolls or pairs of conveyor main pulleys, a plurality of conveyor guide rolls or conveyor guide pulleys and a first and a second endless conveyor belt. The main rolls or pulleys are arranged on top of each other and the guide rolls or pulleys are arranged outside each conveyor main roll or pulley at a circumference of a circle. The endless conveyor belts alternate between being moved on either a main roll or a pair of main pulleys or on a group of guide rolls or guide pulleys. The endless conveyor belts are arranged to be moved at a speed that any material being conveyed stays in contact with the surface of either the first or the second endless conveyor belts when being moved on a the conveyor guide rolls or pulleys.

Abstract: A screen module for mineral material includes support structures such as cross beams or longitudinal beams for fixing the screen module to a body of a mineral material processing apparatus, and for fixing an upper screening means above the support structures, and lower longitudinal supports which are fixed below the support structures for supporting a lower screening means below the lower longitudinal supports. A processing apparatus and a processing plant.

Abstract: A crusher for crushing mineral material, a method for decreasing give in a crusher and a mineral material processing plant. The crusher includes a movable and a fixed crushing element arranged to receive a force. The crusher further includes a hydraulic cylinder and a piston inside the hydraulic cylinder and a piston rod attached to the piston which extends through a first end of the hydraulic cylinder and is connected to the movable crushing element. The hydraulic cylinder has a first space around the part of the piston rod in the hydraulic cylinder and a second space limited by the first space and the piston. The crusher further includes a valve and a hydraulic fluid connection from the valve to the first space. The valve is configured to enable a flow of hydraulic fluid into the first space in response only to the piston moving in the hydraulic cylinder towards the second space due to said force.

Abstract: A conveyor body for conveying mineral material includes a middle section having a first end and a second end, and a first pivot axis passes through the first end of the middle section, and the middle section is arranged to be pivoted around the first pivot axis from an operation position of the conveyor to a transport position and back to the operation position, and a second pivot axis passes through the second end of the middle section to pivot a head section sideways around the second pivot axis from the operation position of the conveyor which head section is connectable to the middle section through the second pivot axis, wherein the middle section includes a top plate, a bottom plate, and vertical side plates which are fixed between the top plate and the bottom plate.

Abstract: An apparatus including a rotor position detection unit with a sensor configured to detect an angular position of a rotor of a horizontal shaft impact crusher, the rotor having attached thereon a group of hammers. A motor control system is configured to change the rotation speed of the rotor and an automation and control system is configured to control the motor control system in response to the detected angular position of the rotor. The rotor position detection unit is configured to detect a first and second angular position of the rotor corresponding to a first and second position of a hammer of the group of hammers attached to the rotor. The motor control system comprises a frequency converter and a brake configured to enable the stopping of the rotor.

Abstract: A movable processing apparatus for mineral material processing comprises a movable frame and a side conveyor which is attached to the frame, and a pivot joint for the side conveyor which pivot joint is attached between the side conveyor and the frame, and the side conveyor is pivotable horizontally around the pivot joint to one or more operating positions at least on one side of the processing apparatus and to a transportation position.

Abstract: A mineral material processing plant and a method for controlling thereof. The processing plant includes at least one motor, at least one actuator, a control and adjusting system, a switch for switching the processing plant to a standby mode and an arrangement for keeping selected actuators in operation with a reduced standby speed. In the method, a command is given to the processing plant to switch to the standby mode and in response to the command to switch to the standby mode, feeding of mineral material to the processing plant is limited and speed of the motor or motors of the processing plant is reduced from the processing speed (Rf) to a reduced standby speed (Rsb) and it is ensured that selected actuators of the processing plant remain operating with a reduced speed.

Abstract: A conveyor for conveying mineral material vertically includes a conveyor frame; at least two conveyor main rolls or pairs of conveyor main pulleys, a plurality of conveyor guide rolls or conveyor guide pulleys and a first and a second endless conveyor belt. The main rolls or pulleys are arranged on top of each other and the guide rolls or pulleys are arranged outside each conveyor main roll or pulley at a circumference of a circle. The endless conveyor belts alternate between being moved on either a main roll or a pair of main pulleys or on a group of guide rolls or guide pulleys. The endless conveyor belts are arranged to be moved at a speed that any material being conveyed stays in contact with the surface of either the first or the second endless conveyor belts when being moved on a the conveyor guide rolls or pulleys.