Method for operating an agitating device and a digester wherein the digester (1) is filled with a substrate (7) and wherein an agitating device (10) controlled by a control device (50) is disposed in the digester (1). The following process steps are carried out. a) A target load curve (60) is lodged in the control device (50) b) the control device (50) prescribes a target speed of rotation (61) c) the control device (50) operates the agitating device (10) at an actual speed of rotation (71) corresponding to the prescribed target speed of rotation (61); d) the control device captures an actual measurement value (81) which is characteristic of the torque of the agitating device (10) at the actual speed of rotation (71); e) the control device (50) derives from the actual measurement value (81) an actual characteristic value (91) of the applied torque of the agitating device (10); f) the control device (50) compares the derived actual characteristic value (73) against the target characteristic value (63) of the substrate (7) resulting from the target load curve (60) at the prescribed target speed of rotation (61); g) the control device (50) controls the agitating device (10) in dependence on the result of comparison.

A stirring unit of a machine for making liquid or semi-liquid food products, including: a first base element rotatable about a first axis and having a plurality of first mixing vanes and a plurality of scraping appendages connected to the mixing vanes; a first actuator, connected to the base element to set it in rotation about the first axis, a second base element rotatable about a second axis and having a second mixing vane; a processing container forming a processing chamber for processing a base product and in which the first base element and the second base element are mounted; a second actuator, connected to the second base element to rotate it, the first base element and the second base element being configured to rotate independently of each other and the first actuator and the second actuator being configured to be activated independently of each other.

Embodiments of a system and a method for continuously manufacturing a joint compound can be used to produce ready mix joint compound. The system includes means for continuously mixing wet and dry joint compound ingredients together and means for homogenizing multiple volumetric units of mixed joint compound to reduce variation in at least one joint compound material property (e.g., viscosity) across multiple successively produced volumetric units of mixed joint compound (relating to standard commercial packaging sizes for joint compound, such as five-gallon pails, for example) relative to the material property of the respective multiple volumetric units before passing through the means for homogenizing.

Provided is a mixing apparatus. The mixing apparatus comprises a housing defining a primary chamber, an inlet for receiving material into the mixing apparatus, as well as an outlet for discharging material from the mixing apparatus. The housing provides within the primary chamber a plurality of rotating shafts, each rotating shaft having a plurality of flailing fixtures associated therewith.

A mixer unit comprising a mixing chamber comprising a de-agglomerator with a de-agglomeration shaft with de-agglomeration means, a mixer with a mixer shaft with two or more mixing paddles, arranged for mixing and impelling particles and powders in an upstream direction towards the de-agglomerator wherein said de-agglomeration shaft is arranged above, and in parallel with said mixer shaft, so that all particles will be impelled towards the de-agglomerator, each time particles are lifted. Further said mixing chamber comprising a first portion of said mixing chamber having an inner profile adjacent and curved about an upper part of said de-agglomerator and arranged to guide particles and powders impelled by said mixing paddles over said de-agglomeration shaft and into a liquid spray.

Provided is a mixing apparatus. The mixing apparatus comprises a housing defining a primary chamber, an inlet for receiving material into the mixing apparatus, as well as an outlet for discharging material from the mixing apparatus. The housing provides within the primary chamber a plurality of rotating shafts, each rotating shaft having a plurality of flailing fixtures associated therewith.

Provided is a dust stop device for a sealed kneader, the device being capable of excellent supply of lubricating oil. The sealed kneader includes a pair of rotors and a supporting member. The dust stop device includes a rotating ring attached to each rotor and a stationary ring attached to the supporting member. Both the rings have respective contact surfaces which make surface contact with each other. The stationary ring has a lubricating-oil supply portion with a through-hole. A part of the through-hole, the part including a part opened in the contact surface, is a long hole extending along a circumferential direction of rotation of the rotating ring.

A device for making of a multi-components product material. The device includes a processing and homogenizing chamber for primary particle components. The chamber includes at least two sets of rotary shovels, which rotate in parallel in a mutually counter-rotating, homogenizing mode, inlet(s) into the chamber for at least one secondary component in a fluid state and/or fine particulate material state, which interacts with the primary components while they are moved around in the chamber by sets of the shovels, and an outlet in the chamber to allow the primary and secondary components to leave the chamber as the multi-component product material.

A method and a device are for making of a multi-components product material. The device includes a processing and homogenizing chamber for primary particle components. The chamber includes at least two sets of rotary shovels, which rotate in parallel in a mutually counter-rotating, homogenizing mode, inlet(s) into the chamber for at least one secondary component in a fluid state and/or fine particulate material state, which interacts with the primary components while they are moved around in the chamber by sets of the shovels, and an outlet in the chamber to allow the primary and secondary components to leave the chamber as the multi-component product material.

A method for operating an agitating device and a digester, wherein the digester is filled with a substrate and an agitating device is in the digester. These steps are performed: a) A target load curve is lodged in the control device; b) the control device prescribes a target rotation speed; c) the control device operates the agitating device at an actual speed corresponding to a target speed; d) the control device captures an actual agitating device torque measurement value at the actual speed of rotation; e) the control device derives from the actual measurement value an actual characteristic value of the agitating device applied torque; f) the control device compares the derived actual characteristic value against the target characteristic value of the substrate resulting from the target load curve at the prescribed target speed; and g) the control device controls the agitating device in dependence on the result of comparison.