Manufacturing method for ultrafine shell powder

A manufacturing method and superfine powder technology, applied in grain processing, nanotechnology, etc., can solve the problem that shell powder is difficult to reach the ultrafine powder scale, and achieve the effects of simple and easy production organization, avoiding loss and denaturation, and simple process flow

Inactive Publication Date: 2012-11-14
王志平 +2
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  • Abstract
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Problems solved by technology

[0007] The processing method of existing shell powd

Method used

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  • Manufacturing method for ultrafine shell powder

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Embodiment Construction

[0025] attached by figure 1 Shown: the dotted line box in the figure is the shellfish superfine powder processing flow chart.

[0026] Taking the processing of 100kg Hawaiian shells as an example, the present invention is realized in this way:

[0027] 1. Cleaning: Firstly, use the drum washing machine to remove the silt, aquatic plants and other adsorbents that are easy to remove on the surface of Hawaiian shells (by-products of aquatic product processing, shells that remove shellfish). Then use heated 3% to 5% sodium hydroxide aqueous solution to soak it for 40 minutes, and the heating temperature does not exceed 60°C. Finally, the shells soaked and drained in the sodium hydroxide solution are washed with water for 10 to 15 minutes by using a rotary drum cleaning machine to further remove the remaining caustic soda solution and adsorbates.

[0028] If there is a special requirement for the purity of the finished product powder, it needs to be pickled after the above-...

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Abstract

The invention discloses a manufacturing method for ultrafine shell powder. The manufacturing method is realized through the following seven processing steps: cleaning, drying, primary crushing, crushing of fine powder, crushing of micro powder, processing of nanometer powder and post processing. According to the invention, conch shells which are a byproduct obtained after meat of conches is removed through aquatic product processing are used as a raw material; process flow of the manufacturing method is simple, different finished products can be obtained at different stages, each processing step is carried out at a low temperature, physical processing is employed, and therefore, biological activity of the shell powder is maintained and loss and denaturation of a majority of active substances are avoided.

Description

technical field [0001] The present invention relates to a manufacturing method of shell superfine powder, specifically a kind of marine biological hard shell whose basic material structure is calcium carbonate, such as oyster shell, Hawaiian shell, scallop shell, mussel shell, conch shell, etc. A method for producing superfine powder of shellfish. Background technique [0002] As we all know, in the field of powder engineering, powder particles can be divided into five categories: coarse powder, medium-fine powder, fine powder, micro-powder, and nano-powder. The powder with a particle size > 0.5mm is called coarse powder, which can be obtained by mechanical crushing; the powder with a particle size between 0.074 and 0.5mm is called medium-fine powder, which can be obtained by mechanical coarse grinding; the particle size is 10 The powder of ~74μm is called fine powder, which can be obtained by mechanical fine grinding; Ultrafine grinding or chemical method; powder with ...

Claims

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Application Information

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IPC IPC(8): B02C19/06B02C17/00B82Y40/00
Inventor 王志平于晶辉李清德
Owner 王志平
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