CN102512509A - Normal-temperature preparation method for ultra-micro fine Chinese pulsatilla powder and special bidirectional airflow sieving machine thereof - Google Patents
Normal-temperature preparation method for ultra-micro fine Chinese pulsatilla powder and special bidirectional airflow sieving machine thereof Download PDFInfo
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Abstract
The invention discloses a normal-temperature preparation method for ultra-micro fine Chinese pulsatilla powder. The method comprises the following steps of: firstly, cleaning traditional Chinese medicine Chinese pulsatilla decoction pieces, and drying the decoction pieces until the water content is less than or equal to 10 percent; crushing cut traditional Chinese medicine at normal temperature to obtain crude powder of which the granularity is 60 to 100 meshes; after milling the obtained crude powder in a rod mill, blowing the powder into a special bidirectional airflow sieving machine, sieving the powder with a 500-mesh sieve, blowing the obtained powder of which the particle size is less than or equal to 25 mum through airflow generated by a draught fan into a cyclone collector, and collecting the powder to obtain the finished product of the ultra-micro fine Chinese pulsatilla powder; and collecting the powder which does not pass through the 500-mesh sieve through a hopper, and conveying the powder through a pipe into the rod mill to be recovered and crushed. The method has the advantages that: the whole preparation process is performed at normal temperature without low temperature or other special additional conditions, the particle size of the prepared medicament is less than or equal to 25 mum, the cell wall-broken rate and the bioavailability are greatly improved, and the pharmacological effect is enhanced. Due to the adoption of the bidirectional airflow sieving machine, the preparation process of the ultra-micro fine Chinese pulsatilla powder is greatly simplified.
Description
Technical field
The present invention relates to the veterinary drug preparation field, especially relate to the diffusing normal temperature preparation method of the superfine powder Radix Pulsatillae; The invention still further relates to the special-purpose two-way airflow screening machine that is used for this method.
Background technology
China is the big country of raising pigs, and along with the continuous progress and the development of pig industry, survival rate of current piglet and resistance against diseases have all had large increase.The change of Along with people's consumption idea, pursuing green non-pollution food has become consumption fashion.If just can cause and seriously influence to fertility performance, resistance against diseases and the survival rate etc. of piglet but reduce in the pig starter feed antibiotic use amount.Therefore it is little to seek a kind of toxicity, and health is not had influence, have the medicine with the antibiotic same function to replace antibiotic use simultaneously, and under actual production conditions, it is minimum to guarantee that feeding cost is reduced to.Chinese herbal medicine is the culture rarity of China; Carrying out having antibiotic and the incomparable superiority of chemical synthetic drug aspect the prevention and treatment of diseases: safe, toxic and side effects is little, effective ingredient is many, hazard residue is few, action target spot is many, can bring into play combined effect; Be difficult for producing drug resistance, scalable immunity of organisms, enhancing body resistance against diseases in anti-bacteria and anti-virus.More and more stress food safety in the our times various countries, call under green, the ecological overall background, apply prevention and the control that herbal medicine carries out Animal diseases and be of great practical significance.
The Radix Pulsatillae beginning is stated from and Shennong's Herbal, has the effect of heat-clearing and toxic substances removing, eliminating pathogenic heat from blood to cure dysentery, removing dampness and killing parasites.From ancient times as controlling the dysentery key medicine, the record of treatise on Febrile Diseases existing " hematodiarrhoea weight person's Radix Pulsatillae Decoction master it " down.The Radix Pulsatillae is the dry root of the ranunculaceae plant Radix Pulsatillae; Modern study confirms; That the Radix Pulsatillae has is antibacterial, antiviral, protozoacide effect; Remove this and also have human body immunity improving power, suppress macrophage secretion IL-6, anticancer, antiinflammatory, antidiarrheal, calmness, analgesia, inhibition bowel movement, treating endotoxemia isoreactivity, multiple diseases such as digestive system, urinary system, cardiovascular system and hemopoietic system are had therapeutical effect preferably.
The broken technology of Chinese medicine ultra-fine powder is renewal and the development to traditional crushing technology; It had both kept the advantage of Chinese medicine technology of preparing; Injected new vitality for the modern production of Chinese medicine again; Have a extensive future, but in actual production, remain in some problems and a difficult problem: (1) production efficiency is low, the power consumption height is the principal element of restriction Chinese medicine ultra-fine powder large-scale production for animals.Rod mill is in traditional closed circuit method crushing process; When most of material has reached fineness requirement, always there is few part coarse powder to be mixed in wherein, make this part coarse powder further be crushed to the granularity that requires need prolong the pulverizing time significantly; Make crush efficiency reduce, power consumption significantly increases; (2) it is poor that there are the material particular diameter uniformity after the classification in selecting crude drugs with winnower classification and grading wheel classification; Influenced the quality of production of herbal medicine compound recipe superfine powder greatly; Especially when being applied to the use of animal drinking-water, because a small amount of not existence of breaking cellular wall cell is difficult to reach instructions for use.(3) traditional one-way gas flow is sieved, because Chinese medicine is when carrying out micronizing, along with reducing of particle diameter; Material particles surface area and surface energy increase; Adsorptivity increases, and mobile variation is prone to be gathered into bulky grain etc. and causes the sieve classification of crossing that surpasses 200 order fineness medicated powder to be difficult to carry out.The existence of above-mentioned factor has had a strong impact on standardization, the large-scale production of herbal medicine superfine powder, and popularization on veterinary clinic and use.
Summary of the invention
The object of the invention is to provide a kind of superfine powder Radix Pulsatillae normal temperature preparation method that looses; Efficiently solve the present production Radix Pulsatillae loose have that energy consumption is big, the medicine maximum particle diameter is difficult to accurate control, can't continuous production, difficult problems such as dust is many in the production process, make the finished medicines of preparation have rapid-action, good effect, bioavailability is high, the clinical application amount is few effect.
Another purpose of the present invention is to provide a kind of special-purpose two-way airflow screening machine that is applied to the diffusing normal temperature preparation method of the superfine powder Radix Pulsatillae.
The superfine powder Radix Pulsatillae of the present invention normal temperature preparation method that looses comprises the steps:
The first step, Chinese crude drug Radix Pulsatillae decoction pieces is cleaned, dried or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃, the Chinese medicine of cutting is pulverized, and obtaining granularity is 65-100 purpose coarse powder;
The 3rd step, with the second step gained coarse powder place pulverize in the rod mill after; Be fed into special-purpose two-way airflow screening machine through wind and cross 500 mesh sieves, the air-flow that the powder that obtains particle diameter≤25 micron of sieving is produced by air-introduced machine is transported to collect in the tornado feeder set and promptly get the diffusing finished product of the superfine powder Radix Pulsatillae; The powder of not crossing 500 mesh sieves arrives circulation pulverizing once more in the said rod mill through the funnel collection and through line transportation.
Special-purpose two-way airflow screening machine of the present invention comprises JIKE and sets within it the downward screen drum of chamber intermediate openings, the order number of said screen drum >=500 orders; The nozzle of screen drum is connected with the funnel upper shed that is arranged on the JIKE bottom mutually; Chassis cavity is connected with air-introduced machine through the negative pressure chamber on top; Be provided with the door font rotating spraying trachea that constitutes by transverse tube and standpipe in the zone between screen drum and JIKE; The puff prot of said door font rotating spraying trachea is for axially being opened in the groove on its tube wall along said transverse tube and standpipe respectively; Said groove is offered towards the screen drum direction respectively; The groove width 0.5-2 millimeter of groove, the middle part of transverse tube and drive motors driving coupling; Be provided with blast pipe in the screen drum centre position, the air outlet of said blast pipe passes screen drum and is connected with the transverse tube middle part of door font rotating spraying trachea and is connected through the rolling bearing rolling; The air inlet of blast pipe extends outside the said hopper side walls and is connected with the blast orifice of aerator; In screen drum, be provided with feed pipe, above the discharging opening of said feed pipe, be provided with the buffering umbrella, the charging aperture of feed pipe extends outside the hopper side walls and is communicated with powder conveying fan air outlet through wind stopping device.
The air inducing of said air-introduced machine is pressed and is 1000pa, and the air inducing amount is 3000m
3/ h; The rotating speed of said drive motors is 155 rev/mins; The blast pressure of said aerator is 33kpa, and the blow rate required is 320m
3/ h; The wind pressure that goes out of said powder conveying fan is 24kpa, and air output is 150m
3/ h; The sidewall of said screen drum and roof respectively with corresponding standpipe and transverse tube between distance be 25 millimeters.
The invention has the advantages that whole process of preparation all carries out at normal temperatures, do not need low temperature or special additional conditions; Final drug particle diameter≤25 micron of preparation have been improved cell wall breaking rate and bioavailability greatly, have strengthened pharmacological action; Thereby reduced treatment disease dosage, practiced thrift medical material, also improved the abnormal smells from the patient and the mouthfeel of medicine simultaneously; Improve drug quality, prolonged storage life; The two-way airflow screening machine that uses in the inventive method has been simplified the preparation technology that the superfine powder Radix Pulsatillae looses greatly, has realized the purpose that the Chinese powder medicine quality standard is controlled, be suitable for large-scale industrial production.
Clinical therapeutic efficacy according to the superfine powder Radix Pulsatillae powder preparation of the inventive method preparation is able to checking through following test:
Superfine powder Radix Pulsatillae preparation of the present invention is to the influence of the fertility performance of ablactational baby pig
Test drug and material:
The superfine powder Radix Pulsatillae looses, and adopts the present invention's preparation;
Radix Pulsatillae coarse powder: 80 order coarse powder, make by oneself at laboratory;
Chlortetracycline: content >=98%, 100g/ bag, laboratory self-control.
Experimental animal: the Du * length * Dasanyuan in 4 ages in week is hybridized 100 of ablactational baby pig, body weight (7.65 ± 0.15) kg, the not complete feed of drug of feeding.
Feeding and management: ablactational baby pig gets into scrubs before the pig house comprehensively and sterilizes.Ablactational baby pig is adopted free choice feeding, feeds every day 4 times, and the duck-beak type water fountain provides drinking-water, clears up feces every day, keeps cleaning in the circle, carries out conventional anthelmintic epidemic prevention before the test.Natural lighting, ventilation, piglet immunological and disinfectant program etc. all carries out according to the pig farm feeding and management.
EXPERIMENTAL DESIGN: 100 ablactational baby pig are divided into 5 processed group at random by the close principle of body weight, and each handles 4 repetitions, and each repeats 5 piglets.The 1st group for the diffusing group of the superfine powder Radix Pulsatillae, according to the amount spice of forage volume 0.05%; The 2nd group is Radix Pulsatillae coarse powder group, according to the amount spice of forage volume 0.05%; The 3rd group is the antibiotic group, according to the amount spice use chlortetracycline of forage volume 0.025%; The 4th group is the blank group.Except that the blank group, its excess-three group is according to above-mentioned addition, and prophylactic is 28 days continuously.
Index determining
The mensuration of growth performance index: the 1st, 14, the 28 day 07:30 that formally begins in test takes by weighing every weight of testing piglet on an empty stomach; Write down every group of each stage consumption forage volume respectively, calculate daily gain (ADG), daily ingestion amount (ADFI) and material anharmonic ratio (F/G), diarrhea rate.Concrete outcome is seen table 1.
Daily gain (g/d)=(weight one initial weight during off-test)/test natural law
The consumption of daily ingestion amount (g/d)=every group of feedstuff of duration of test/test natural law
Material anharmonic ratio=duration of test feedstuff total feed consumption rate/experimental period, asked the total augment weight amount
Diarrhea rate (%)=(a diarrhoea number * diarrhoea natural law)/(testing total number of total natural law * piglet) * 100%
Table 1 Radix Pulsatillae superfine powder etc. are to the influence of piglet fertility performance
The result shows in the table: in the ablactational baby pig feedstuff, add the superfine powder Radix Pulsatillae three and Radix Pulsatillae coarse powder and compare with blank control group, test later stage daily gain effect all is higher than the blank group but is lower than the antibiotic group, and the difference between 3 groups is not remarkable.Improved 8.12% and 4.09% from the daily gain of diffusing group of result's superfine powder Radix Pulsatillae of testing the full phase and Radix Pulsatillae coarse powder group respectively than blank control group; The material anharmonic ratio has reduced by 10.50% and 3.65% than blank group respectively, and the daily gain of the diffusing group of the superfine powder Radix Pulsatillae is not obvious with material anharmonic ratio and chlortetracycline group difference.From the diarrhea rate result, the effect of the diffusing group of the superfine powder Radix Pulsatillae is best, reduces by 34.14% than blank group, and Radix Pulsatillae coarse powder group is taken second place, and reduces by 27.24%, and the chlortetracycline group reduces by 26.21%.This shows, in the ablactational baby pig feedstuff, add the Chinese crude drug Radix Pulsatillae and not only can improve daily gain, reduce feedstuff-meat ratio and diarrhea rate, can also avoid the chemical sproof generation of antibiotic and chemical synthetic drug.And the superfine powder Radix Pulsatillae loose with Radix Pulsatillae coarse powder when Isodose uses, the superfine powder Radix Pulsatillae looses and shows than coarse powder remarkable advantages more.
Description of drawings
Fig. 1 is the production equipment system figure of the method for the invention.
Fig. 2 is the structural representation of special-purpose two-way airflow screening machine according to the invention.
The specific embodiment
Like Fig. 1, shown in 2, the superfine powder Radix Pulsatillae of the present invention normal temperature preparation method that looses comprises the steps:
The first step, Chinese crude drug Radix Pulsatillae decoction pieces is cleaned, dried or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃, the Chinese medicine of cutting is pulverized, and obtaining granularity is 65-100 purpose coarse powder;
The 3rd goes on foot, at first opens powder conveying fan 15, air-introduced machine 5, aerator 11, drive motors 8.The blow pressure of powder conveying fan 15 is 24kpa, and the blowing amount is 150m
3/ h; The air inducing of air-introduced machine 5 is pressed and is 1000pa, and the air inducing amount is 3000m
3/ h; The blast pressure of aerator 11 is 33kpa, blow rate required 320m
3/ h; The rotating speed of drive motors 8 is 155 rev/mins.
1, with the second step gained coarse powder place pulverize in the rod mill 16 after; Powder body to be fractionated is arranged in the downward screen drum 2 of JIKE 1 inner chamber intermediate openings being brought into by high velocity air through wind stopping device 14, feed pipe 12 under the power of the blowing effect of powder conveying fan 15 in the rod mill 16; And, powder body to be fractionated is disperseed in screen drum 2 through the impulsive force of buffering umbrella 13 reduction powder body to be fractionated in screen drum 2; The order number of screen drum 2 is 500 orders;
2, dispersive powder body to be fractionated carries out classification through screen drum 2 in the screen drum 2 under air-introduced machine 5 effects, and fine powder negative pressure chamber 4 through JIKE 1 top under the negative-pressure air-flow effect that air-introduced machine 5 produces of passing screen drum 2 is transported to collect in the tornado feeder set 17 and promptly gets the diffusing finished product of the superfine powder Radix Pulsatillae.The powder body sinking warp through screen drum 2 is collected with the funnel 3 that screen drum 2 under sheds are connected mutually and is transported in the said rod mill 16 circulation once more through pipeline 18 and pulverizes;
3, door font rotating spraying trachea rotates through rolling bearing 10 under drive motors 8 drives; The wind that aerator 11 is seen off is in blast pipe 9 gets into said transverse tube 6 and standpipe 7; And through be opened in the puff prot ejection that has the groove structure on transverse tube 6 and standpipe 7 tube walls respectively vertically towards screen drum 2 directions; Form the evenly blowback air-flow in screen drum 2 at screen drum 2 end faces and side; Powder body in the screen drum 2 is further atomized, stop powder body on screen drum 2, to lump simultaneously and stop up sieve screen apertures, make the powder body that does not pass through screen drum 2 along with the air-flow whirlpool that forms sinks to getting in the funnel 3.The groove width that is opened in groove on transverse tube 6 and standpipe 7 tube walls is respectively vertically selected between 0.5 millimeter-2 millimeters as required, between the roof of transverse tube 6 and standpipe 7 and corresponding screen drum 2 and the sidewall apart from being respectively 25 millimeters.
The diffusing finished product of the superfine powder Radix Pulsatillae that obtains is sub-packed in the aluminium foil bag every bag heavy 1000g.
Claims (3)
1. the diffusing normal temperature preparation method of the superfine powder Radix Pulsatillae is characterized in that: comprise the steps:
The first step, Chinese crude drug Radix Pulsatillae decoction pieces is cleaned, dried or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃, the Chinese medicine of cutting is pulverized, and obtaining granularity is 65-100 purpose coarse powder;
The 3rd step, with the second step gained coarse powder place pulverize in the rod mill (16) after; Be fed into special-purpose two-way airflow screening machine through wind and cross 500 mesh sieves, the air-flow that the powder that obtains particle diameter≤25 micron of sieving is produced by air-introduced machine (5) is transported to collect in the tornado feeder set (17) and promptly get the diffusing finished product of the superfine powder Radix Pulsatillae; The powder of not crossing 500 mesh sieves is transported to circulation pulverizing once more in the said rod mill (16) through funnel (3) collection and through pipeline (18).
2. according to the special-purpose two-way airflow screening machine of the diffusing normal temperature preparation method of the said superfine powder Radix Pulsatillae of claim 1, it is characterized in that: comprise JIKE (1) and the downward screen drum of chamber intermediate openings (2) that sets within it, the order number of said screen drum (2) >=500 orders; The nozzle of screen drum (2) is connected with funnel (3) upper shed that is arranged on JIKE (1) bottom mutually; JIKE (1) inner chamber is connected with air-introduced machine (5) through the negative pressure chamber (4) on top; Zone being positioned between screen drum (2) and the JIKE (1) is provided with the door font rotating spraying trachea that is made up of transverse tube (6) and standpipe (7); The puff prot of said door font rotating spraying trachea is for axially being opened in the groove on its tube wall along said transverse tube (6) and standpipe (7) respectively; Said groove is offered towards screen drum (2) direction respectively; The groove width 0.5-2 millimeter of groove, the middle part of transverse tube (6) and drive motors (8) driving coupling; Be provided with blast pipe (9) in screen drum (2) centre position, the air outlet of said blast pipe (9) passes screen drum (2) and is connected with transverse tube (6) middle part of door font rotating spraying trachea and is connected through rolling bearing (10) rolling; The air inlet of blast pipe (9) extends outside said funnel (3) sidewall and is connected with the blast orifice of aerator (11); In screen drum (2), be provided with feed pipe (12); Be provided with buffering umbrella (13) in the discharging opening of said feed pipe (12) top, the charging aperture of feed pipe (12) extends outside funnel (3) sidewall and is communicated with powder conveying fan (15) air outlet through wind stopping device (14).
3. special-purpose two-way airflow screening machine according to claim 2 is characterized in that: the air inducing of said air-introduced machine (5) is pressed and is 1000pa, and the air inducing amount is 3000m
3/ h; The rotating speed of said drive motors (8) is 155 rev/mins; The blast pressure of said aerator (11) is 33kpa, and the blow rate required is 320m
3/ h; The wind pressure that goes out of said powder conveying fan (15) is 24kpa, and air output is 150m
3/ h; The sidewall of said screen drum (2) and roof respectively with corresponding standpipe (7) and transverse tube (6) between distance be 25 millimeters.
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| CN102512538A (en) * | 2011-11-28 | 2012-06-27 | 河南省康星药业有限公司 | Normal-temperature preparation method for ultrafine golden flower asthma-relieving powder and special bilateral airflow sieving machine thereof |
| CN102397347B (en) * | 2011-11-28 | 2013-08-28 | 河南省康星药业股份有限公司 | Submicron powder pulvis rhei normal temperature preparation method and special two-way airflow screen grader |
| CN102406672B (en) * | 2011-11-28 | 2013-08-28 | 河南省康星药业股份有限公司 | Room-temperature preparation method of ultramicro powder pomegranate rind pulvis and special two-way airflow screening machine thereof |
| CN102397370B (en) * | 2011-11-28 | 2013-08-28 | 河南省康星药业股份有限公司 | Submicron powder Jinfang Baidu San normal temperature preparation method and special two-way airflow screen grader |
| CN102429992B (en) * | 2011-11-28 | 2013-10-16 | 河南省康星药业股份有限公司 | Superfine powder houttuynia herb normal-temperature preparation method |
| CN102423333B (en) * | 2011-11-28 | 2013-12-04 | 河南省康星药业股份有限公司 | Ultramicro powder epimedium constant-temperature preparation method |
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Address after: 451464, No. 2, Hing Road, Baisha Industrial Park, Zhongmu County, Henan, Zhengzhou Applicant after: Henan Health Star Pharmaceutical Co., Ltd. Address before: 451464, No. 2, Hing Road, Baisha Industrial Park, Zhongmu County, Henan, Zhengzhou Applicant before: Henan Kangxing Pharmaceutical Co., Ltd. |
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