Granulation unit, grading granulation equipment and use method of grading granulation equipment

A kind of granulation equipment and granulation technology, which is applied in the field of material granulation, can solve the problems that the particle aspect ratio cannot be unified, the particle size aspect ratio cannot be adjusted, and the particle size cannot meet the gradation.

Active Publication Date: 2022-04-12
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The shortcomings of the existing granulation unit and granulation equipment: 1. The granulation unit generally ensures the uniformity of the particles, resulting in a relatively single particle size and shape, and the size of the particles obtained by extrusion cutting cannot meet certain requirements. Grading, 2. The length-to-diameter ratio of particles obtained by extrusion cutting cannot be adjusted, and the length-to-diameter ratios of particles of different sizes cannot be unified, which cannot meet actual production needs. For this reason, the present invention proposes a granulation unit, gradation Granulation equipment and methods of use thereof

Method used

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  • Granulation unit, grading granulation equipment and use method of grading granulation equipment
  • Granulation unit, grading granulation equipment and use method of grading granulation equipment
  • Granulation unit, grading granulation equipment and use method of grading granulation equipment

Examples

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Effect test

Embodiment 1

[0081] Select the representative construction industry standard "JTG / T F20-2015 Technical Rules for Road Pavement Base Construction" in the pavement base C-B-1 gradation design requirements, and its specific gradation is shown in Table 1. Since artificial aggregates mainly replace natural aggregates with medium and coarse particle sizes, it is necessary to set a level of fine aggregates to participate in the gradation design. The gradation of this fine aggregate can be obtained directly from natural stone mills, so it is not specific. Since the synthetic gradation is composed of artificial aggregate and fine aggregate, the gradation of artificial aggregate can be calculated under the conditions that both the synthetic gradation and the fine aggregate gradation are given. According to Table 1, the particle size of the aggregate and the mixing ratio of the aggregate in each particle size range can be determined, so as to calculate the size range of each extrusion hole 11 and the...

Embodiment 2

[0094] Select the representative construction industry standard "JTG / T F20-2015 Technical Rules for Road Pavement Base Construction" in the pavement base C-C-3 gradation design requirements, and its specific gradation is shown in Table 4. Since artificial aggregates mainly replace natural aggregates with medium and coarse particle sizes, it is necessary to set a level of fine aggregates to participate in the gradation design. The gradation of this fine aggregate can be obtained directly from natural stone mills, so it is not specific. Since the synthetic gradation is composed of artificial aggregate and fine aggregate, the gradation of artificial aggregate can be calculated under the conditions that both the synthetic gradation and the fine aggregate gradation are given. According to Table 4, the particle size of the aggregate and the mixing ratio of the aggregate in each particle size range can be determined, so as to calculate the size range of each extrusion hole 11 and the...

Embodiment 3

[0107] Select the representative construction industry standard "JTG / T F20-2015 Technical Rules for Road Pavement Base Construction" in the AC-25 gradation design requirements of the pavement base. The specific gradation is shown in Table 7. Since artificial aggregates mainly replace natural aggregates with medium and coarse particle sizes, it is necessary to set a level of fine aggregates to participate in the gradation design. The gradation of this fine aggregate can be obtained directly from natural stone mills, so it is not specific. Since the synthetic gradation is composed of artificial aggregate and fine aggregate, the gradation of artificial aggregate can be calculated under the conditions that both the synthetic gradation and the fine aggregate gradation are given. According to Table 7, the particle size of the aggregate and the mixing ratio of the aggregate in each particle size range can be determined, so as to calculate the size range of each extrusion hole 11 and ...

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Abstract

The invention relates to a granulation unit, grading granulation equipment and a use method thereof, the granulation unit comprises an extrusion disc and a cutting assembly, the extrusion disc is provided with at least two extrusion holes, and the cutting assembly is used for circularly cutting materials extruded from the extrusion holes. In each cutting period, each extrusion hole is cut at least once, and the cutting times of part of the extrusion holes are different from the cutting times of the other part of the extrusion holes. According to the granulation unit and the grading granulation equipment, the size and the number of the extrusion holes in any extrusion disc can be adjusted according to actual requirements, and the number and the relative positions of the cutters on the cutting blades can be designed according to the actual requirements, so that the particle sizes and the shapes of cut material particles are diversified, and the particle sizes and the shapes of the cut material particles are more uniform. The output quantity proportion of particles with different sizes can be adjusted, the size of the particles obtained through extrusion cutting can meet certain grading, and the length-diameter ratio of the particles obtained through extrusion cutting can be adjusted.

Description

technical field [0001] The invention relates to the technical field of material granulation, in particular to a granulation unit, gradation granulation equipment and a use method thereof. Background technique [0002] my country is a big country that produces solid waste. Taking phosphogypsum solid waste as an example, the reserves of phosphogypsum in my country have reached 400 million tons, and 75 million tons are still produced every year, and the utilization rate of phosphogypsum is only 20%. With the implementation of the policy of determining production according to sales in some provinces of our country, the recycling and utilization of solid waste resources will become the mainstream way of solid waste treatment in our country. From the perspective of application volume, solid waste has great potential in the construction industry. Due to its complex chemical composition, acidity and alkalinity and other factors, it is difficult to achieve a high utilization rate of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/20
Inventor 刘刚邢宏源曹庭维管彬梁杨实黄傲丁明巍房帅印
Owner WUHAN UNIV OF TECH
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