CN101695504B - Preparation method of nanometer pearl powder - Google Patents
Preparation method of nanometer pearl powder Download PDFInfo
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- CN101695504B CN101695504B CN2009102050926A CN200910205092A CN101695504B CN 101695504 B CN101695504 B CN 101695504B CN 2009102050926 A CN2009102050926 A CN 2009102050926A CN 200910205092 A CN200910205092 A CN 200910205092A CN 101695504 B CN101695504 B CN 101695504B
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- margarita powder
- carbon dioxide
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- margarita
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Abstract
The invention discloses a preparation method of nanometer pearl powder. The preparation method comprises the following steps of superfine pulverizing pearls and crushing by airflow till the average grain diameters of the pear powders is 2-3 microns, heating for drying and the pear powders till the moisture of the pear powders is less than 0.3%; pacing the pear powders in a carbon dioxide pressure vessel, injecting the carbon dioxide in the vessel and pressurizing; communicating the pressure vessel with an air intake pipeline of a circular disk type jet mill, and conveying the materials to the jet mill for milling through a pipeline under the condition of keeping the pressure inside the pressure vessel; mixing the milled pearl powders with water, grinding, filtering, drying and pulverizing by a high-speed disintegrator to obtain the nanometer pearl powders. In the invention, the preparation method is simple and has low cost and high pulverizing efficiency of the pears; and the obtained granules have small particle diameter, are easy to be digested and absorbed by the human body as well as the human skin, and is suitable for being taken as additive in medicines, nutriments and skincare products.
Description
Technical field
The present invention relates to a kind of processing method of Margarita powder, particularly a kind of manufacture method of nanometer Margarita powder.
Background technology
Margarita is a kind of famous and precious Chinese crude drug, have calm the nerves, make eye bright, the effect of detoxifcation and aesthetic health care.Modern science the analysis showed that Margarita contains nearly 20 seed amino acids, 20 various trace elements, porphyrin and abundant calcium class.But Margarita has the hybrid nanostructured, and the calcium carbonate of two-layer nepheline structure (about 200～500 nanometers of thickness) sandwich one layer thickness is several protein layer and water-bearing layers to tens nano thickness, water content about 2～6%.Margarita has very high hardness and toughness, processes very difficult.
It is tens to hundreds of purpose microgranule that traditional mechanical activation comminution only can be processed into Margarita particle diameter, and simple comminution by gas stream also only is processed into Margarita the microgranule that particle diameter is several thousand orders (several microns approximately of a particle diameter), can not be digested and assimilated by human body better.Patent application (CN101062060) discloses a kind of nanometer Margarita powder manufacture method, it is to adopt nitrogen as expanding gas, need the bigger pressure nitrogen that could liquefy, cause technology difficulty and cost to increase, and there is moisture to exist at pearl particles matter sheet interlayer, make liquid gas be difficult to fully infiltrate between nacreous layer, cause the pulverizing of Margarita incomplete, influence the release of Margarita effective ingredient.
Summary of the invention
The objective of the invention is to provide for the difficulty that overcomes existing Margarita powder process technology a kind of manufacture method of nanometer Margarita powder, is with the Margarita drying and dewatering, makes to have the space between pearl particles; Infiltrating under the pressure between the nacreous layer space with carbon dioxide, the Margarita powder granule is expanded in when the jet mill internal pressure descends rapidly, nacreous layer is applied high pressure, make nacreous layer be easy to the fragmentation of dissociating, in conjunction with comminution by gas stream, through ball mill grinding, obtain the Margarita powder of mean diameter again less than 100 nanometers.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of manufacture method of nanometer Margarita powder, its step is as follows:
1, Margarita is crushed to 100～300 orders through super micron mill, again through comminution by gas stream to 2～3 microns of mean diameters, then with the Margarita powder heating, drying to contained humidity less than 0.3%.
2, will place through the Margarita powder of heating, drying in the pressurized carbon dioxide force container, injecting carbon dioxide, 60～100 ℃ are forced into 100～200 atmospheric pressures, keep 3～10 hours, and carbon dioxide is goed deep in the Margarita powder granule nacreous layer.
3, pressure vessel and disc type jet mill admission line are connected, the charging aperture sealing is pulverized by line transportation material under the condition of container inner pressure that keep-ups pressure to jet mill.
4, with the Margarita powder and the mixed of water pulverized, ground 2～6 hours, filter through sand mill (0.1～1.0 millimeter of abrading-ball) by weight 1: 0.8～1: 2.5, oven dry, the pulverizing of high speed disintegrator 3000～8000 rotating speeds promptly gets nanometer Margarita powder.
The abrading-ball particle diameter of described sand mill is 0.1～1.0 millimeter.
Check.Use scanning electron microscope to amplify 50,000 times of checks, through measuring, the Margarita powder particle diameter is all less than 100 nanometers.Detect through the Ma Erwen laser particle analyzer, mean diameter is less than 100 nanometers.
Process of the present invention is simple, cost is low, the crush efficiency height of Margarita, the gained grain diameter is little, all great changes will take place for physical propertys such as the light of Margarita powder, electricity, magnetic, and chemical property becomes vivaciously, and Margarita powder is easy to be absorbed by human consumption, also, be suitable for medicine, nutrition and skin care item and use as additive easily by skin absorbs.
The specific embodiment
The invention will be further described with indefiniteness embodiment below.
Embodiment
Margarita is crushed to 100～300 orders through super micron mill, again through comminution by gas stream to 2～3 microns of mean diameters, then with the Margarita powder heating, drying to contained humidity less than 0.3%.
In 200L pressure carbon dioxide jar, add Margarita powder 120kg, injecting carbon dioxide, injection pressure keeps 40 atmospheric pressure, heats then to 80 ℃, is forced into 150 atmospheric pressure, keeps 6 hours; Pressure vessel and disc type jet mill admission line are connected, the charging aperture sealing, in the pressure vessel under the situation of keep-uping pressure material pulverize to jet mill by line transportation; The Margarita powder 120 kg of pulverizing is mixed with 180 kg of water, ground 4 hours, filter through sand mill (abrading-ball 0.1-1.0 millimeter), oven dry, high speed disintegrator 6000 rotating speeds are pulverized, and promptly get nanometer Margarita powder.
Check.Use scanning electron microscope to amplify 30,000 times of checks, through measuring, the Margarita powder particle diameter is all less than 100 nanometers.Detect through the Ma Erwen laser particle analyzer, mean diameter is less than 100 nanometers.
Claims (2)
1. the manufacture method of a nanometer Margarita powder is characterized in that, its step is as follows:
1), Margarita is crushed to 100～300 orders through super micron mill, again through comminution by gas stream to 2～3 microns of mean diameters, then with the Margarita powder heating, drying to contained humidity less than 0.3%;
2), will place through the Margarita powder of heating, drying in the pressurized carbon dioxide force container, injecting carbon dioxide, 60～100 ℃ are forced into 100～200 atmospheric pressures, keep 3～10 hours, and carbon dioxide is goed deep in the Margarita powder granule nacreous layer;
3), pressure vessel and disc type jet mill admission line are connected, the charging aperture sealing is pulverized by line transportation material under the condition of container inner pressure that keep-ups pressure to jet mill;
4), with Margarita powder and the mixed of water pulverized by weight 1: 0.8～1: 2.5, be that 0.1～1.0 millimeter sand mill ground 2～6 hours through ball radius, filter, oven dry, the pulverizing of high speed disintegrator 3000～8000 rotating speeds promptly gets nanometer Margarita powder.
2. the manufacture method of nanometer Margarita powder according to claim 1, it is characterized in that: the abrading-ball particle diameter of described sand mill is 0.1～1.0 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102050926A CN101695504B (en) | 2009-10-19 | 2009-10-19 | Preparation method of nanometer pearl powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102050926A CN101695504B (en) | 2009-10-19 | 2009-10-19 | Preparation method of nanometer pearl powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101695504A CN101695504A (en) | 2010-04-21 |
| CN101695504B true CN101695504B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102050926A Active CN101695504B (en) | 2009-10-19 | 2009-10-19 | Preparation method of nanometer pearl powder |
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| CN (1) | CN101695504B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966140B (en) * | 2010-10-28 | 2012-07-25 | 浙江欧诗漫集团德清生物科技有限公司 | Method for preparing fishy smell removed submicron pearl powder with regular geometric shape |
| CN102274243B (en) * | 2011-09-16 | 2012-08-22 | 无锡市西施美日化有限公司 | Method for producing pearl powder by porcelain ball rolling water grinding process |
| 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 |
| CN107157900A (en) * | 2017-05-05 | 2017-09-15 | 海南京润珍珠生物技术股份有限公司 | A kind of saturating white sun screen of the naked adornment for adding Nano pearl powder and preparation method thereof |
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2009
- 2009-10-19 CN CN2009102050926A patent/CN101695504B/en active Active
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| CN101695504A (en) | 2010-04-21 |
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Denomination of invention: Preparation method of nanometer pearl powder Effective date of registration: 20160518 Granted publication date: 20110831 Pledgee: Haikou rural commercial bank Limited by Share Ltd Pledgor: Hainan Jingrun Zhenzhu Biological Technology Co., Ltd. Registration number: 2016460000001 |
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Date of cancellation: 20200831 Granted publication date: 20110831 Pledgee: Haikou rural commercial bank Limited by Share Ltd. Pledgor: HAINAN JINGRUN PEARL BIOTECHNOLOGY Co.,Ltd. Registration number: 2016460000001 |