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Bohou sieve

A screening equipment and screen surface technology, applied in the direction of screen, solid separation, grid, etc., can solve the problems of unsatisfactory coal screening effect, mechanical strength and process effect can not have both, to achieve high screening efficiency, treatment powerful effect

Inactive Publication Date: 2007-12-26
吴玲 +2
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  • Abstract
  • Description
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Problems solved by technology

The main performance is that the mechanical strength and process effect cannot be achieved at the same time. For example, the mechanical strength of ordinary circular vibrating screen, equal thickness screen, rotary probability screen and probability screen is relatively reliable, but the effect on the treatment of difficult-to-screen coal is not ideal, while the string screen , relaxation sieve, spiral grading sieve and other mechanical strength and screening effect also have some problems, but the process effect is better than the former

Method used

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Embodiment Construction

[0023] The present invention will be described in further detail below according to accompanying drawing:

[0024] In accompanying drawing 1, sieve box 1: The sieve box is used for retaining material, does not participate in vibration. Blocking plate 2: Participate in the vibration of the sieve, used for blocking and supporting the screen wire plate. Screen surface 3: The screen surface of the present invention is fastened to the rectangular beam of the exciter, and vibrates synchronously with the exciter, and the vibration direction is perpendicular to the screen surface to realize linear vibration. The size of the screen surface can be combined freely in multiple sections according to the installation conditions and processing capacity requirements on site. The screen wires on the screen surface are arranged in a forward direction. During the screening process, the screen wires have a secondary vibration function, and the movement of materials on the screen surface Ability ...

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Abstract

The present invention provides one sieving apparatus completing effective sieving based on the granularity of sieved material. The present invention has vibrating sieve plate, no-vibration sieve box, great vibration amplitude, great vibration strength and elastic sieve surface for meeting the requirement of vibration machine and suiting the needs of sieving humid small-granularity sticky material. The present invention has excellent sieving effect and great processing capacity. The present invention has altered mechanical structure of sieve, adopts the moving mode of several independent circular surfaces in vibration and no-vibration frame, lowers the vibration participating mass of the sieve and realizes large-scale sieving apparatus. In addition, secondary damping can lower the dynamic load of sieve.

Description

technical field [0001] The invention belongs to screening equipment for coal, metallurgy and other industries, and is used for screening wet and difficult-to-sieve materials such as coal and minerals. Specifically, the present invention is a screening device for effectively screening according to different particle sizes. Background technique [0002] The dry screening of wet fine-grained and difficult-to-sieve materials is a difficult point in today's screening technology, because it is difficult for wet and fine-grained difficult-to-sieve materials to stick to each other and become loose, or stick to the screen surface to make the effective screening of the screen surface The reduction of the area leads to a decrease in the screening efficiency, and the material group is difficult to loosen and stratify, and the overall movement makes the screening process impossible. Therefore, the screening of wet fine-grained viscous materials is a major issue that needs to be solved u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07B1/28
Inventor 孙刚
Owner 吴玲
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