CN100388981C - Method for preparing full natural Nano pearl powder - Google Patents
Method for preparing full natural Nano pearl powder Download PDFInfo
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- CN100388981C CN100388981C CNB2005100503035A CN200510050303A CN100388981C CN 100388981 C CN100388981 C CN 100388981C CN B2005100503035 A CNB2005100503035 A CN B2005100503035A CN 200510050303 A CN200510050303 A CN 200510050303A CN 100388981 C CN100388981 C CN 100388981C
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Abstract
The present invention relates to a method for preparing full natural nanometer pearl powder, which belongs to the technical field of processing the pearl powder for medical application or health care. The method for preparing full natural nanometer pearl powder comprises the steps that pearl fine powder is put into a nanometer pulverizer, pearl fine powder slurry is formed after the pearl fine powder is soaked in the added water, and the slurry is sufficiently pulverized, dispersed and emulsified by strong shearing, strong shock and strong friction in the nanometer pulverizer to obtain the nanometer level pearl powder slurry with the grain diameter of 20 to 200 nm; an agglomeration loose body is formed by a rapid drying process; a secondary pulverizing process is carried out on a superfine pulverizer to form the nanometer pearl powder with the grain diameter of 20 to 200 nm. The present invention causes the pearl fine powder to be influenced by the strong shearing, the strong shock and the strong friction and prompts the laminated structures of pearls to be changed according to a mechanical principle and the particular properties of the shapes and the structures of the pearls in view of the rigid concentric laminated structures of the pearls. Therefore, the pearl fine powder can be pulverized into the nanometer level pearl powder, and the present invention ensures the full natural property and the integrity of the components of the pearls and effectively raises the human body intestine and stomach absorption rate or the skin absorption rate for the pearl powder.
Description
One, technical field
The present invention relates to a kind of preparation method of full natural Nano pearl powder, belong to the processing technique field of medical or pearl powder for health care.
Two, background technology
Pearl is a kind of noble ornament, is again a kind of rare traditional Chinese medicine and nutrient and healthcare products, and its medicinal health value all has clear and definite record in Ming Dynasty's Li Shizhen (1518-1593 A.D.) Compendium of Material Medica and the modern various pharmacopeia and the books that keep healthy.Through the modern medicine analysis, pearl contains various trace elements and other organic substance of seed amino acid and needed by human body surplus in the of 20, has the arresting convulsion of calming the nerves, the benefit that makes eye bright the moon, detoxify and promote granulation, tender skin goes wrinkle, luxuriant growth spring effect such as prolong life.Medicinal pearl is many uses with powder form.For oral administration can treat neurasthenia, insomnia, hypertension, liver depression, constipation, child convulsion, pregnant woman and nursing women take can promote fetus and infant's skeleton development, increase intelligence, moist skin.But the external application face nursing whitening, suppress melanin, but and Zhiduo County plant illnesss such as blister numbness, onychomycosis, allergy, canker sore.Have effects such as hemostasis, accelerating wound healing.
Along with the development of modern high technology, people require more and more higher to health food, nutrient and healthcare products, need pearl powder is more ultra-fine, to improve pearl powder, improve the medicinal of pearl and health care, beauty treatment skin moisten effect by the absorptivity of human body stomach or skin.But pearl makes it be processed into quite difficulty of superfine powder owing to have hard concentric laminated construction.
Existing processing method to pearl roughly has following several: polishing, chemical method prepare instant pearl powder, biochemical process, ball-milling method, extraction method, mechanical case of wet attrition method, mechanical dry type comminuting method etc. in poach and the water.But physical method wherein is difficult to pearl is ground to Nano grade; And some other method is through long high temperature action with pearl, or adding chemical-biological reagent, make it become water-soluble calcium sulfate or calcium chloride (pearl powder), though this pearl powder increases the absorptivity of stomach when taking orally, but chemical change has taken place in composition in the former pearl in process of production, generated new inorganic matter, the natural components of original pearl is partly or entirely changed, and the biological method production cycle is oversize, in addition behind enzymolysis, make pearl component that variation take place, also lost its All Pure Nature and integrality.And ball-milling method commonly used be with pearl after simple coarse crushing, put into the ball mill grinding that ball mill passes through a couple of days, its granularity is attenuated, the shortcoming of this method is to yield poorly, and coarse size is generally more than 30 μ m, and product is subjected to the ball-milling medium pollution and causes color change, influences product quality.
Three, summary of the invention
The purpose of this invention is to provide a kind of All Pure Nature and integrality that can guarantee pearl component, can effectively improve pearl powder again by the preparation method of the full natural Nano pearl powder of the stomach of human body or skin absorptivity.
The preparation method of full natural Nano pearl powder of the present invention comprises that the raw material pearl selects, cleans, oven dry, coarse crushing, fine powder are broken, nanometer pulverizing, drying, the pulverizing of aggregate secondary, sterilization treatment and packaging step, wherein:
Described coarse crushing step is processed into particle diameter at 20-300 purpose pearl powder on Roughpulverizer pearl is sheared by force with pearl;
Described fine powder quick short steps are that the pearl meal after the coarse crushing is put into ultrafine crusher suddenly, make powder pearl meal produce bump clocklike with airflow pulverization method with high velocity air, high velocity impact, friction are ground into the pearl fine powder of particle diameter at 2-10 μ m with powder pearl meal each other;
Described nanometer ultramicro grinding step is that the pearl fine powder is put into nano grinder, soak the back and form pearl fine powder slurry, the concentration of pearl fine powder slurry is 30%-50%, in nano grinder by strong shearing, impact and friction pulverized fully, dispersion and emulsification, make the nano-glass pearl powder slurry of particle diameter at 20-200nm;
Described drying steps is with the rapid draing on drying equipment of nano-glass pearl powder slurry, forms the loose body of reuniting;
The secondary pulverising step of described aggregate is the loose body of dried Nano pearl powder reunion to be carried out secondary with airflow pulverization method pulverize on ultrafine crusher, obtains the Nano pearl powder of particle diameter at 20-200nm.
In the preparation method of full natural Nano pearl powder of the present invention, particle diameter can be 70%-75% in the ratio of 40-100nm in the Nano pearl powder that obtains after the aggregate secondary is pulverized.
Method of the present invention compared with prior art has following outstanding advantage and good effect:
1, have hard concentric laminated construction at pearl, lamellar tissue is still very hard after fine powder is broken, and it is still quite difficult to be ground into nano-glass pearl powder.Should guarantee that the natural component of former pearl improves the absorptivity of human body and skin again, the present invention with fine powder the pearl fine powder after broken put into nano grinder, peculiar property according to mechanics principle and pearl shaped and structure, make the pearl fine powder be subjected to strong shearing, impact and friction, impel the pearl layer structure to change, thereby be ground into nano-glass pearl powder.
2, rationally control the concentration of nano-glass pearl powder slurry in the nanometer ultramicro grinding operation, concentration is too low, not only influences product quality, and unfavorable to crushing effect.Reduce because slurry concentration hangs down very much the probability that makes material friction, shearing, collision in crushing process, so crushing effect is poor.Can influence discharging again but slurry concentration is too high, easy putty in the pipeline influences crushing effect in crushing process, and through experiment, slurry concentration should be controlled in the 30%-50% scope and be advisable.
3, the pulverizing of the secondary of aggregate also is the key link of preparation nano-glass pearl powder.It is to bring the material of drying into pulverizing chamber with compressed air that air-flow is pulverized, and makes and adjusts collision, friction between material and mill body and the material mutually, shears, and material is pulverized, and coarseness is thrown to periphery and continued to pulverize, and fines flows out through discharging opening.
Nano-pearl powder with method preparation of the present invention is applicable to the production of medicine, nutrition, beauty treatment, powder pearl for health care and powder product, has guaranteed the All Pure Nature and the integrality of pearl composition, has effectively improved pearl powder by the absorptivity of human body stomach or skin.
Four, the specific embodiment
The main technique flow process of the inventive method is as follows:
The raw material pearl selects → cleans → dry → coarse crushing → fine powder is broken → nanometer pulverizing → drying → aggregate secondary pulverizing → sterilization treatment → packing.
Wherein:
Pearl selects raw material: choose free of contamination jib pearl inside the body of a freshwater mussel, checkmate simultaneously pearl and Impurity removal.
Clean: the pearl of picking out is cleaned, filters and do with clear water, soak with medicinal alcohol again.
Oven dry: the dried pearl of alcohol-pickled back filter is put into the insulating box that has air blast dry, temperature is controlled in the 60-70 ℃ of scope.
Coarse crushing: adopt efficient Roughpulverizer that pearl is sheared by force, multiple impact flows out qualified meal rapidly, and underproof meal continues to pulverize, and makes it reach grain and is the requirement of 20-300 purpose pearl meal.
Fine powder is broken: with the pearl meal through the feeder dosing; send in the mixed pulverizer of grain and be carrier with compressed air; pulverizing chamber inner chamber excircle is a plurality of nozzles of distribution evenly; high velocity air enters pulverizing chamber through nozzle; material produces bump clocklike with high velocity air; high velocity impact, friction are pulverized material mutually.In crushing process, the pearl powder that granularity is different forms different centrifugal force in swirling eddy, coarse grain is thrown to periphery and continued to pulverize, and particulate is discharged with air-flow center tremie pipe and entered gathering system, thereby obtains the pearl fine powder of about particle diameter 2 μ m.
Nanometer ultramicro grinding: the pearl fine powder is put into nano grinder, add distilled water immersion and formed the pearl powder slurry in 30 minutes, slurry concentration should be controlled in the 30%-50% scope, make that slurry runs foul of each other, shears in pulverizing chamber, friction, slurry enter from the bottom, ultra-fine grinding through the stretch journey, period time repeatedly again is until the nano-glass pearl powder slurry of pulverizing out 20-200nm.
Dry: as the nano-glass pearl powder starch to be put into the drying box of tape drum wind, make its rapid draing form Nano pearl powder loose body of reuniting.
The secondary of aggregate is pulverized: the loose body and function ultrafine crusher of dried Nano pearl powder reunion is carried out secondary pulverize, with its nature, carry out at normal temperatures, do not add any other material, form the Nano pearl powder of particle diameter at 20-200nm.
Sterilization treatment: Nano pearl powder must be subjected to the pollution of air and external environment in process of production, so must could guarantee microbiological indicator within the limits prescribed through sterilization treatment before packing.Sterilization can be carried out in sterilization tank, also can shine with ultraviolet ray, cobalt 60.
Adopt the Nano pearl powder of above-mentioned technology preparation can reach desirable effect fully, its granularity detects mostly between 20-200nm through Britain Ma Erwen laser nano particle size analyzer, 99.99% particle is all less than 135nm, wherein 40nm-100nm accounts for 72%, and good reproducibility, particle size distribution is narrow.Particle size distribution test the results are shown in following table 1.
Table 1
| Particle diameter nm | Part by weight % |
| ＜10 | 3.1 |
| 10-25 | 6 |
| 25-40 | 12.1 |
| 40-55 | 15.5 |
| 55-70 | 13.5 |
| 70-85 | 27.1 |
| 85-100 | 15.9 |
| 100-115 | 4.9 |
| 115-135 | 1.89 |
| Add up to | 99.99 |
Claims (2)
1. the preparation method of a full natural Nano pearl powder comprises that the raw material pearl selects, cleans, oven dry, coarse crushing, fine powder are broken, nanometer pulverizing, drying, the pulverizing of aggregate secondary, sterilization treatment and packaging step, it is characterized in that:
Described coarse crushing step is processed into particle diameter at 20-300 purpose pearl powder on Roughpulverizer pearl is sheared by force with pearl;
Described fine powder quick short steps are that the pearl meal after the coarse crushing is put into ultrafine crusher suddenly, with airflow pulverization method powder pearl meal are ground into the pearl fine powder of particle diameter at 2-10 μ m;
Described nanometer ultramicro grinding step is that the pearl fine powder is put into nano grinder, soak the back and form pearl fine powder slurry, the concentration of pearl fine powder slurry is 30%-50%, in nano grinder by strong shearing, impact and friction pulverized fully, dispersion and emulsification, make the nano-glass pearl powder slurry of particle diameter at 20-200nm;
Described drying steps is with the rapid draing on drying equipment of nano-glass pearl powder slurry, forms the loose body of reuniting;
The secondary pulverising step of described aggregate is the loose body of dried Nano pearl powder reunion to be carried out secondary with airflow pulverization method pulverize on ultrafine crusher, obtains the Nano pearl powder of particle diameter at 20-200nm.
2. the preparation method of full natural Nano pearl powder according to claim 1, particle diameter can be 70%-75% in the ratio of 40-100nm in the Nano pearl powder that it is characterized in that obtaining after the aggregate secondary is pulverized.
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| CNB2005100503035A CN100388981C (en) | 2005-05-12 | 2005-05-12 | Method for preparing full natural Nano pearl powder |
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| CNB2005100503035A CN100388981C (en) | 2005-05-12 | 2005-05-12 | Method for preparing full natural Nano pearl powder |
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| CN100388981C true CN100388981C (en) | 2008-05-21 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101757035B (en) * | 2009-11-20 | 2013-01-09 | 天津兆阳纳米科技有限公司 | Preparation method of stable nanometer pearl dispersion liquid |
| CN101721431B (en) * | 2009-12-11 | 2013-01-23 | 天津兆阳纳米科技有限公司 | Compound nano pearl starch ball and production process thereof |
| CN102247911B (en) * | 2011-06-20 | 2013-09-11 | 张婉菁 | Nano water volatile pearl processing method and device |
| CN102744136B (en) * | 2012-07-13 | 2014-04-30 | 四川厚德医药科技有限公司 | Preparation method for nanometre pearl powder and prepared nanometer pearl powder |
| CN103333222B (en) * | 2013-07-10 | 2014-12-17 | 浙江长生鸟珍珠生物科技有限公司 | Pearl natural active peptide having whitening efficacy, and extraction method and application thereof |
| CN104475213A (en) * | 2014-11-10 | 2015-04-01 | 张藜泷 | Method for preparing ultra-fine Hetian jade powder |
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| CN1416821A (en) * | 2001-11-07 | 2003-05-14 | 焦柏忠 | Nanometer level pearl product and its prepn process |
| CN1526412A (en) * | 2003-09-25 | 2004-09-08 | 宁波澳美尼生物工程有限公司 | Making process of nanometer level pearl powder and shell powder |
| CN1541655A (en) * | 2003-04-30 | 2004-11-03 | 北京自然爱康生物技术发展有限公司 | Nano-scale pearl powder preparation method |
| CN1582966A (en) * | 2003-08-22 | 2005-02-23 | 中科纳米技术工程中心有限公司 | Preparation of nano pearls powder |
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| CN1416821A (en) * | 2001-11-07 | 2003-05-14 | 焦柏忠 | Nanometer level pearl product and its prepn process |
| CN1351869A (en) * | 2001-11-13 | 2002-06-05 | 浙江大学 | Method for preparing nanometer level pearli powder |
| CN1541655A (en) * | 2003-04-30 | 2004-11-03 | 北京自然爱康生物技术发展有限公司 | Nano-scale pearl powder preparation method |
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