Optimizing method of mixing arm length and installation angle of vertical planetary mixer
A technology of planetary mixer and optimization method, which is applied to chemical instruments and methods, mixers with rotating stirring devices, mixers, etc., can solve problems that do not conform to efficient and economical design theory, consume a lot of time, etc.
Active Publication Date: 2022-03-08
FUZHOU UNIV +1
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Problems solved by technology
However, at present, there is no uniform industry standard or design criterion for determining the length of the mixing arm. It will undoubtedly take a lot of time and materials to compare one by one through experimental methods, which is not in line with the efficient and economical design theory.
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[0043] In order to make the features and advantages of this patent more obvious and easy to understand, the following special examples are described in detail as follows:
[0044] Such as Figure 5 As shown, the specific optimization steps adopted by the method for optimizing the design length and installation angle of the stirring arm proposed in the embodiment of the present invention are as follows.
[0045] Step S1: if figure 1 As shown, firstly, the diameter of the stirring tank 14 is determined according to the predetermined stirring capacity of the mixer. The predetermined stirring capacity can be calculated from the diameter and height of the mixing drum, and its value needs to be determined according to the actual production demand installation space. Such as Figure 4 As shown, there are 6 parameters related to the length of the stirring arm, which are divided into a, b, c, d, e, and f. First, it is necessary to determine the selection range of these 6 parameters i...
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The present invention proposes a method for optimizing the length and installation angle of the mixing arm of a vertical planetary mixer, which is characterized in that: firstly, the value range of each parameter of the mixer is determined, and the value ranges of different parameters are divided into equivalent values by traversal Calculate the values and coordination forms of different parameters; then divide the bottom surface of the stirring tank into grids and use the intersection points of the grids as marking points. The initial value of the marking point is set to 0. It is 1; the number of marked points and the total number of marked points with a statistical value of 1 and the ratio between them are calculated to obtain the area that the stirring scraper scrapes from the bottom of the stirring tank within a certain period of time; by comparing the length of different stirring arms with the initial installation phase The variation curve of stirring area coverage with stirring time in the corner case is used to optimize the structure. It can provide a theoretical basis for the design of the key structural dimensions of the vertical planetary agitator in a more accurate and rapid manner.
Description
technical field [0001] The invention belongs to the technical field of mechanical equipment design and parameter optimization, and in particular relates to a method for optimizing the length and installation angle of a stirring arm of a vertical planetary mixer. Background technique [0002] The vertical planetary mixer is a high-efficiency forced mixer with a wide range of applications. It is generally composed of two parts: a low-speed revolving sun wheel stirring part and a high-speed self-rotating planetary wheel stirring part. Its core stirring components include gear reducer, stirring tank, stirring arm, stirring scraper, etc. The stirring structure is driven by a motor to rotate, so that the materials perform complex shearing, rolling, and diffusion movements in the stirring tank to achieve the purpose of stirring. Planetary mixers are suitable for stirring and mixing, particle dispersion, accelerated dissolution and Reaction, conditioning and other processes. [00...
Claims
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IPC IPC(8): B01F27/072B01F27/11B01F27/2322B01F27/85
CPCB01F27/85
Inventor 陈淑梅郑基楠傅鑫源付云峰傅国华黄惠
Owner FUZHOU UNIV