Method for preparing aluminum particles through rotary cup centrifugal granulation
A technology of centrifugal granulation and granulation equipment, applied in the field of metallurgical engineering, can solve the problems of poor particle size distribution control, poor production stability, a large amount of compressed air, etc., and achieve the effects of reducing energy consumption, saving costs, and being easy to obtain.
Inactive Publication Date: 2017-12-15
CHONGQING UNIV
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Problems solved by technology
The preparation of aluminum particles by gas atomization requires a large amount of compressed air, high energy consumption, and poor production stability
In addition, the gas atomization process has relatively poor control over the particle size distribution
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[0044] The present invention will be described in further detail below.
[0045] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "vertical", "top", "bottom", "inner" and "outer" are based on The orientations or positional relationships shown in the drawings are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations on the Invention.
[0046] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or ...
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Abstract
The invention relates to a method for preparing aluminum particles through rotary cup centrifugal granulation. The aluminum particles are prepared through a granulation device. The device mainly comprises a rotating granulation system used for granulating molten aluminum, an air cooling system used for cooling aluminum drops splashing out during granulation, a metal particle collection structure used for collecting the falling aluminum particles, and an air collection system used for collecting hot air used for cooling the aluminum drops. The method comprises the steps that firstly, heating aluminum ingots, so as to obtain molten aluminum; then, adjusting a driving motor till a rotary cup has the target rotation speed; and pouring molten aluminum into the rotary cup, and starting to carry out granulation to obtain the aluminum particles. According to the method, the porous rotary cup and proper rotation speed are selected, so that the particle size of most of the obtained aluminum particles is guaranteed to be 4 mm to 8 mm as much as possible.
Description
technical field [0001] The invention relates to the technical field of metallurgical engineering, in particular to a method for preparing aluminum particles by rotor cup centrifugal granulation. Background technique [0002] Ferrovanadium is a ferroalloy composed of vanadium and iron, which is mainly used as an alloy additive for steelmaking. After adding ferrovanadium to the steel, the hardness, strength, wear resistance and ductility of the steel can be significantly improved, and the cutting performance of the steel can be improved. Ferrovanadium is often used in the production of carbon steel, low-alloy steel strength steel, high-alloy steel, tool steel and cast iron, and high-vanadium ferrovanadium is also used as an additive for non-ferrous alloys. [0003] According to the different reducing agents used in ferrovanadium smelting, it is usually divided into three types: carbothermal method, silicothermal method or aluminothermic method. The aluminothermic reduction i...
Claims
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Login to View More IPC IPC(8): B22F9/10
CPCB22F9/10
Inventor 吕学伟贺文超李雪琴严志明吕学明党杰游志雄余文轴白晨光
Owner CHONGQING UNIV