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A discontinuous graded gravel screening device and screening method thereof

A screening device and a technology for grading crushed stones, which are applied in chemical instruments and methods, screening, solid separation, etc., can solve problems such as affecting the screening effect and blocking the screen holes

Active Publication Date: 2022-04-19
湖南省欣宏建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that when materials are screened on the screen, some materials will block the screen holes, which will affect the screening effect.

Method used

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  • A discontinuous graded gravel screening device and screening method thereof
  • A discontinuous graded gravel screening device and screening method thereof
  • A discontinuous graded gravel screening device and screening method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The application discloses a discontinuous grading gravel screening device. refer to figure 1 with figure 2 The discontinuous grading crushed stone screening device includes an installation frame 1 and a screen 2 arranged in the installation frame 1 for screening materials. The installation frame 1 is provided with a feeding bin 11 for placing materials. When screening, the material is placed in the upper bin 11, and enters the installation frame 1 to be screened through the screen 2.

[0041] refer to figure 1 with figure 2, a feeding plate 3 is arranged in the installation frame 1, the feeding plate 3 is a hollow structure and openings are opened at both ends, one end of the feeding plate 3 is arranged correspondingly to the upper silo 11, and the other end is arranged obliquely toward the ground The screening net 2 is arranged on the side of the feeding plate 3 close to the ground, and the screening net 2 is provided with a plurality of screening holes 21 for sc...

Embodiment 2

[0051] A screening method of a discontinuous grading gravel screening device comprises the following steps:

[0052] In the first step, the material is poured into the feeding bin 11, the material enters the feeding plate 3 through the feeding bin 11, and the material is screened through the screening net 2 in the feeding board 3;

[0053] In the second step, the driving member 61 drives the screening net 2 to move in the installation frame 1 through the adjustment plate 62 and the adjustment rod 63, and at the same time reciprocates under the action of the reset component 7, thereby improving the screening effect on materials;

[0054] In the third step, the materials of different particles flow out of the installation frame 1 through the first discharge pipe 12 and the second discharge pipe 13, and the materials of different particle sizes are classified;

[0055] In the fourth part, the transmission member 821 drives the auxiliary sleeve 81 to rotate through the transmissio...

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Abstract

This application relates to the technical field of crushed stone screening, in particular to a discontinuous graded crushed stone screening device, which includes an installation frame placed on the ground and a feeding plate set in the installation frame for conveying materials. A screening net for screening materials is arranged in the plate, and a feeding bin for feeding materials is arranged on the installation frame connected with the conveying plate, and the installation frame is sequentially arranged in the direction toward the ground for conveying materials. The middle plate and the bottom plate of the middle plate, the middle plate and the end of the conveying plate away from the upper hopper are connected, the bottom plate and the end of the middle plate are connected away from the conveying plate, and the screening nets are respectively slidably arranged on the conveying plate, the middle On the board and the bottom plate, the installation frame is provided with an adjustment assembly and a reset assembly for adjusting the position of the screen, and an auxiliary assembly for cleaning the screen is provided on the installation frame. The application has the effect of improving screening efficiency.

Description

technical field [0001] The present application relates to the technical field of crushed stone screening, in particular to a discontinuous graded crushed stone screening device and a screening method thereof. Background technique [0002] In the construction of engineering mineral materials, according to the particles of mixed mineral materials of different particles, they are divided into continuous gradation and intermittent gradation. Small continuous distribution, each level occupies an appropriate proportion, this kind of mineral mixture composed of particles from large to small step by step, and matched with each other in proportion; intermittent gradation refers to the mineral mixture in the entire distribution space of mineral particles In the process, one or several consecutive particle sizes are removed from the middle to form a discontinuous gradation, which is called discontinuous gradation. At the construction site, it is necessary to screen the mineral materia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07B1/36B07B1/42B07B1/46
CPCB07B1/36B07B1/42B07B1/46B07B2201/04
Inventor 唐凯文朱杰何刘朱晓秋朱建兵
Owner 湖南省欣宏建设工程有限公司
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