System and method for adjusting raw material flowing speeds in high-flux preparation of multi-element gradient materials

A technology of gradient materials and adjustment systems, applied in mixing methods, chemical instruments and methods, fluid mixers, etc., can solve the problems of restricting scientific and technological progress and social development, bottlenecks in material research and development, and high costs, so as to shorten the batching time, Simple structure and convenient operation

Inactive Publication Date: 2019-12-06
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The original traditional material research and development methods relying on human experience and trial-and-error methods have low efficiency, long cycles and high costs, which have seriously restricted scientific and technological progress and social development, making material research and development enter a bottleneck

Method used

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  • System and method for adjusting raw material flowing speeds in high-flux preparation of multi-element gradient materials
  • System and method for adjusting raw material flowing speeds in high-flux preparation of multi-element gradient materials
  • System and method for adjusting raw material flowing speeds in high-flux preparation of multi-element gradient materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0073] Design a Mg-Zn-Sn gradient alloy rod;

[0074] Measure the mass of certain pure magnesium granules, pure zinc granules, and pure tin (white tin) granules through a balance, and determine their volumes through measuring cups, etc., and divide the two to obtain pure magnesium granules, pure zinc granules, and pure tin (white tin) Particle bulk density ρ' Mg , ρ' Zn , ρ' Sn (unit: g / cm 3 );

[0075] Select a certain pure magnesium particle, and calibrate its feeding speed in the three screw feeding pipelines of A, B, and C as Ⅹ A =0.254, X B =0.170, X C =0.170 (unit: g / circle), the bulk density of pure magnesium particles is ρ' Mg (unit: g / cm 3 );

[0076] Input rod length L=12cm, cross-sectional area S=7.07cm 2 , the number of segmental gradients along the length direction n=5;

[0077] Input the volume percentage change of each component in the bar (ie raw material components Mg, Zn, Sn): C Mg1 =99.38%, C Mg2 =99.26%, C Mg3 =99.13%, C Mg4 =99.01%, C Mg5 =...

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Abstract

The invention belongs to the field of material preparation and mainly discloses a system and a method for adjusting raw material flowing speeds in high-flux preparation of multi-element gradient materials such as round tube rods made of materials such as multi-element alloys, resins and glass of which chemical components are in continuous gradient variation along a length direction. The system mainly comprises a PLC (programmable logic controller) control system, raw material granule or powder storage devices, a screw rod conveying pipeline, a raw material mixer, and the like. The device has the advantages of being simple in structure, convenient in operation, easy to control, and the like. According to the device, different raw material storage devices are controlled by the system to continuously convey raw materials into the mixer at continuous and variable speeds, the raw materials from different raw material storage devices are uniformly mixed in the raw material mixer and are continuously fed into a smelting device, and sequential smelting is completed. By adopting the method, continuous gradient material blending of components of materials such as alloys, resin and glass of different components can be achieved, the blending time can be shortened, preparation procedures are simplified, the cost is lowered, and the preparation efficiency of the material is improved.

Description

technical field [0001] The invention belongs to the field of material processing and preparation, and mainly relates to a high-throughput preparation of multi-component gradients for rounds, tubes, and shaped rods of materials such as multi-component alloys, resins, and glass whose chemical composition changes continuously along the length direction. Systems and methods for regulating feed flow rates of materials. Background technique [0002] Advanced metal, resin, and glass materials are widely used in information, aerospace, automobile, energy, construction, biomedical and other fields by virtue of their excellent comprehensive mechanical properties, physical and chemical properties, and corrosion resistance. The original traditional material research and development methods relying on human experience and trial-and-error methods have low efficiency, long cycles and high costs, which have seriously restricted scientific and technological progress and social development, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/24B01F15/02B01F15/00B01F3/18
CPCB01F23/69B01F25/82B01F35/22141B01F35/7164B01F35/71775
Inventor 李静媛田少鲲陈雨来谢建新
Owner UNIV OF SCI & TECH BEIJING
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