摘要:
Methods for preparing and compositions including untreated and surface-treated alkaline earth metal carbonate particulates are described. For example, a method for processing alkaline earth metal carbonate may include introducing alkaline earth metal carbonate into a stirred media mill, and dry grinding the alkaline earth metal carbonate in the stirred media mill to produce an untreated alkaline earth metal carbonate particulate having certain characteristics. In some examples, the method may include introducing carboxylic acid and/or carboxylic acid salt into the stirred media mill, and dry grinding the alkaline earth metal carbonate and the carboxylic acid and/or carboxylic acid salt in an integrated dry grinding and surface-treating process in the stirred media mill to produce a surface-treated alkaline earth metal carbonate particulate. In some examples, heating may be added during the dry grinding process.
摘要:
Certain aspects of the technology disclosed herein include an apparatus and method for forming nanoparticles. The method includes a mechanical milling process induced by aerodynamic, centrifugal, and centripetal forces and further augmented by ultrasound, magnetic pulse, and high voltage impact. A nanoparticle mill having an atmospheric and luminance controlled environment can form precisely calibrated nanoparticles. A nanoparticle mill can include first aerodynamic vane configured to rotate around a central axis of the nanoparticle mill in a first direction, and a second aerodynamic vane configured to rotate around the central axis in a second direction. An aerodynamic shape of an aerodynamic vane can be configured to cause particles within the nanoparticle mill to flow around the aerodynamic vane. The nanoparticle mill can include a primary product line, a nanoparticle sampling line, a particle programming array, a solidifying chamber, or any combination thereof.
摘要:
The invention relates to an agitator ball mill, with a grinding container, the inner side of which is made of a ceramic material, a rotor arranged inside the grinding container with a grinding gap formed between the surface of rotor and the inner side of the grinding container, a plurality of cams, fitted to the inner side of the grinding container and extend radially inwards. Wherein the ratio of the height of each cam and the inner diameter of the grinding container is 0.05, and wherein the ratio of the height of each cam and the grinding gap width is 0.35.
摘要:
The present invention relates to apparatus for simultaneous grinding and froth flotation of at least one crude mineral and/or pigment, a process carried out in the apparatus for manufacturing at least one ground mineral and/or pigment, use of the ground mineral and/or pigment bearing phase obtainable by the process in paper applications as well as in paper, plastics, paints, coatings, adhesives, sealants, food, feed, pharma, concrete, cement, cosmetic, water treatment and/or agriculture applications, preferably in a wet end process of paper machine, in cigarette paper, board, and/or coating applications, or as support for rotogravure and/or offset and/or ink jet printing and/or continuous ink jet printing and/or flexography and/or electrophotography and/or decoration surfaces and the ground mineral and/or pigment bearing phase or ground mineral and/or pigment obtainable by the process.
摘要:
In some embodiments, a gravity aided grinding mill apparatus may include an intake for receiving a grinding media and a grindable material. A first elongated runner may be in communication with the intake, and a first doubleback coupling may be in communication with the first elongated runner. Grinding media and grindable material may travel in a first direction across the first elongated runner into the first doubleback coupling and the first doubleback coupling may change the direction of travel of grinding media and grindable material into a second direction. A second elongated runner may be in communication with the first doubleback coupling, and the second elongated runner may receive the grinding media and grindable material traveling in the second direction from the first doubleback coupling. The grinding media and grindable material may be communicated from an output and across a grizzly screen.
摘要:
Disclosed is a method of mechanically crushing microalgae cells of the genus Chlorella at an industrial scale, the mechanical crushing being carried out in a horizontal ball mill system. In the method, the balls have an apparent density of between 2 and 3.5 kg/1, the filling rate of the crushing chamber is greater than or equal to 80%, and preferably greater than or equal to 85%, and the mechanical crushing is carried out continuously by a series of successive passes.
摘要:
The invention relates to a method and handling device for the maintenance of agitator ball mills with a horizontally disposed grinding container. The handling device comprises a transport means and at least one holding unit for machine parts of an agitator ball mill, wherein the transport means is connected to the holding unit in a detachable manner.
摘要:
The invention relates to the devices for dry and wet fine and ultrafine grinding in a wide range of materials, including organic and cellulose-containing, in a mill and can be used in powder metallurgy, radiochemical, medical, agricultural and other industries.The mill has a body having oppositely charge and discharge pipes. The rotor in form of a disc with grinding elements, mounted on a drive shaft within the body with clearance relative to its lateral surface. The body is freely oriented in the diametric plane of the axis of rotation of the rotor with the possibility of its fixing in the shifted position. The rotor from the side of discharge pipe has blades that perform the functions of the classifier. The charge pipe is equipped with a device to control a supply of air or water to the central part of the rotor.
摘要:
A granular body grinding device includes a case for containing granular bodies; a drive shaft supported by the case to be rotationally drivable; and a grinding disc having a disc-like disc main body that is fixed on the drive shaft and that is formed with disc surfaces perpendicular to the axial direction of the drive shaft, and formed with a grinding surface at the disc surface of at least one of the disc surfaces on both sides of the disc main body. The grinding device further includes a fluidizing device for fluidizing the granular bodies in a floating state by sending air from the bottom surface portion of the case, to form a fluidized bed in which at least a part of the grinding surface is soaked.
摘要:
A vertical ball mill for grinding a solid input material to form a slurry, and includes a grinding tank which defines a mixing chamber, rotatable main auger assembly having mixing blade in a lower portion of the mixing chamber and a materials flow guide. The flow conduit is provided within the grinding tank interior, and includes one or more conduit segments configured to direct input material downwardly in the grinding tank towards the lower mixing chamber and auger mixing blade. An impeller is provided within the flow conduit, with a blade configuration selected to effect the downward flow of input material through the conduit segments and outwardly therefrom adjacent to the mixing blade as the auger assembly is rotated.