Agitation method and apparatus for fake alloy liquid comprising lightweight solid particle
A technology of solid particles and stirring methods, which is applied to stirring devices, chemical instruments and methods, mixers, etc., can solve the problem that it is difficult to uniformly distribute light solid particles, and it is difficult to stir a pseudo-alloy liquid with uniform distribution of light solid particles. Graphite segregation and other problems, to achieve the effect of solving the segregation of light solid particles
Inactive Publication Date: 2008-07-09
BEIJING JIAOTONG UNIV
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Problems solved by technology
However, for pseudo-alloy liquids containing light solid particles, such as aluminum-graphite, copper-nickel-coated graphite, etc., it is difficult for the above method to achieve uniform distribution of light solid particles in the pseudo-alloy liquid
Under the action of rotation, traveling wave or spiral electromagnetic stirring, the graphite or nickel-plated graphite particles in the form of solid particles in the aluminum-graphite, copper-nickel-plated graphite and other pseudo-alloy liquids either float up under the action of buoyancy or The segregation to the center of the pseudo-alloy liquid during the circumferential movement can easily cause the segregation of graphite or nickel-plated graphite, etc. Therefore, it is difficult to stir a pseudo-alloy liquid with uniform distribution of light solid particles by using conventional electromagnetic stirring methods
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[0019] In conjunction with the accompanying drawings, the method of the present invention is stirred to contain the specific description of light solid particle pseudo-alloy liquid device as follows:
[0020] The stirring device containing the pseudo-alloy liquid containing light solid particles includes: a rotating electromagnetic stirring device, a graphite crucible 2, an upper cover 4, an Ar gas pipe 5, a plug 6, and a bottom frame 9.
[0021] The three pairs of electromagnetic pole pairs 1 of the rotating electromagnetic stirring device are evenly distributed around the graphite crucible 2, and the distance between them and the outer wall of the graphite crucible is 5mm, and a cover 7 is added to the outside of the electromagnetic pole pairs 1.
[0022] The Ar gas pipe 5 is fixed in the hole of the upper cover 4, and the plug 6 is located at the bottom of the graphite crucible 2.
[0023] The graphite crucible 2 is fixed on the bottom frame 9 by mechanical connection, and ...
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The invention discloses a light-solid particle false-alloy liquid stirring method and device, which comprises the following steps: adopting normal rotary electromagnetic stirring to stir false-alloy liquid at connecting pattern of graphite copple and straight blade, utilizing rotary electromagnetic stirring to generate periodical movement for alloy liquid, moving false alloy liquid to periphery continuously through straight blade on the internal wall of graphite copple, moving false alloy liquid on the upper part downwards, inhibiting floating and center-gathering movement for light-solid particle to obtain the even distribution false alloy liquid.
Description
technical field [0001] The invention relates to an electromagnetic stirring method and device for pseudo-alloy liquid containing light solid particles. Background technique [0002] Publication number: CN86104510A, title of invention: "Combined multifunctional liquid metal electromagnetic stirrer", and publication number: CN87104014A, title of invention: "Electromagnetic stirring device for continuous casting steel", the conventional electromagnetic stirring method for metal liquids is described— - Rotating magnetic field stirring, traveling wave magnetic field stirring and helical magnetic field stirring methods. The above stirring method can well solve the problem of uniform stirring for the corresponding molten metal. However, for pseudo-alloy liquids containing light solid particles, such as aluminum-graphite, copper-nickel-plated graphite, etc., it is difficult for the above method to achieve uniform distribution of light solid particles in the pseudo-alloy liquid. Un...
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IPC IPC(8): B01F13/08F27D23/04C22C1/10F27D27/00
Inventor 张鹏杜云慧刘汉武
Owner BEIJING JIAOTONG UNIV