A kind of powder granulation method

A powder and granulation technology, which is applied in special adhesive granulation, explosives, etc., can solve the problems of granulation efficiency and particle size consistency, and the raw materials hang on the wall, etc., and achieve granulation efficiency and granulation consistency. High, simple structure, reducing the effect of hanging on the wall

Active Publication Date: 2022-02-15
长沙华秦高新科技有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The invention provides a powder granulation method, which is used to overcome the defects of raw material hanging on the wall, granulation efficiency and particle size consistency in the prior art, greatly reduce the phenomenon of raw material hanging on the wall, and improve the granulation efficiency and the uniformity of granulation. sex and consistency

Method used

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Examples

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Embodiment 1

[0018] An embodiment of the present invention provides a powder granulation method, comprising the following steps:

[0019] Step 1, adding the granulable material into the flexible chamber; the granulable material here is understood as any material that can be prepared into granules through combination, rolling, friction and / or collision in the flexible chamber. Pelletizable materials include fireworks, medicine, grain, feed, waste, wood pellets, etc. The granulatable material may include additives and / or be processed by heat, soaking or comminution to increase the cohesion of the granules being prepared. Pelletizable materials also include biofuels such as wood pellets;

[0020] The flexible cavity is made of flexible materials, specifically polymer materials (such as polyethylene, polypropylene, polyvinyl chloride, TPU (thermoplastic polyurethane elastomer rubber), etc.), metal materials (such as aluminum foil, copper foil, etc.), Inorganic non-metallic materials (carbon ...

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PUM

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Abstract

The invention discloses a powder granulation method, which comprises the following steps: step 1: adding granulable materials into a flexible cavity; Combination, rolling, friction and/or collision of granulated materials to achieve efficient and high-quality granulation. This solution solves the problems of material hanging on the wall, complex equipment structure, and low granulation efficiency in the prior art. The omnidirectional movement of the flexible cavity promotes the combination, rolling, friction and/or collision of granulated materials to achieve granulation , and the elastic shaking and tearing of the flexible wall of the cavity caused by the omnidirectional movement of the cavity makes the material adhered to the wall fall off quickly, which realizes the simple structure of the equipment, and high granulation efficiency and uniformity of granulation particle size.

Description

technical field [0001] The invention relates to the technical field of granule forming such as fireworks, medicine, food and fertilizer, in particular to a powder granulation method. Background technique [0002] The existing granulation methods in the fields of pharmaceuticals, food, and chemical fertilizers mainly adopt wet granulation, that is, adding liquids such as binders to powdery materials, so that fine powders can pass through the forming process under the action of binders and external forces. Nucleation, growth, and molding to finally form granules or pellets; in the granulation process, powder materials and liquids are usually added to a closed cavity, and the cavity is rotated at high speed, and the powder materials and liquid are fully mixed by reamer stirring to form Paste material, by applying high-pressure gas, make the paste material pass through the forming pressure head to realize material granulation; [0003] At present, there are many granulation and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J2/28C06B33/14C06B45/32
Inventor 贺晓秦
Owner 长沙华秦高新科技有限公司
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