CN103070972A - Normal temperature preparation method of Radix Scrophulariae and licorice submicron powder, and special bidirectional airflow screener therefor - Google Patents
Normal temperature preparation method of Radix Scrophulariae and licorice submicron powder, and special bidirectional airflow screener therefor Download PDFInfo
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- CN103070972A CN103070972A CN2012105287297A CN201210528729A CN103070972A CN 103070972 A CN103070972 A CN 103070972A CN 2012105287297 A CN2012105287297 A CN 2012105287297A CN 201210528729 A CN201210528729 A CN 201210528729A CN 103070972 A CN103070972 A CN 103070972A
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Abstract
The invention discloses a Radix Scrophulariae and licorice submicron powder having a chicken immunity enhancement effect, and a preparation method thereof. The submicron powder is composed of Radix Astragali, Radix Scrophulariae, licorice, Divaricate Saposhnikovia Root and Rhizoma Atractylodis Macrocephalae. The preparation method comprises the following steps: respectively picking the above components, removing impurities, carrying out coarse crushing, and screening by a 24 mesh sieve; weighing the obtained crude powders according to formula proportions, mixing, and baking in a 60DEG C drying box to the water content of below 7%; and crushing the obtained dried mixture in a rod mill, sending to a special bidirectional airflow screener through a fan for 300 mesh sieve screening, conveying the screened powder to a cyclone collector to obtain the Radix Scrophulariae and licorice submicron powder, collecting the unscreened powder by a funnel, and conveying the collected powder to the rod mill through a pipeline for secondary crushing. The particle size of 90% of the processed powder is less than 30mum. The Radix Scrophulariae and licorice submicron powder has the advantages of reasonable formula, small addition, undoubted effects, easy method implementation, and large-scale production. The preparation method enables the whole preparation process to be carried out at normal temperature and the cell wall breaking rate to be improved; and the special bidirectional airflow screener simplifies the preparation technology of the Radix Scrophulariae and licorice submicron powder.
Description
Technical field
The present invention relates to a kind of technology of preparing of superfine powder, particularly a kind of dosage form that can strengthen the chicken immune effect also relates to the preparation method of this superfine powder and the special bilateral airflow sieving machine that is used for the method simultaneously.
Background technology
The Chinese medicine of at present clinical practice mostly is ordinary powder, has that dosage form is thick, dosage is large, and effective ingredient can not discharge fully, and bioavailability is low to be waited not enoughly, has had a strong impact on Chinese medicine quality and treatment curative effect.
The Chinese medicine ultra-fine powder technology is that application modern physics or the chemical method that developed recently gets up carried out micronized new technique to material, the cell wall breaking rate of general Chinese crude drug 〉=95%, thereby break through original effective ingredient and must by the approach of cell wall release, bring into play drug effect and more be conducive to crude drug.Chinese crude drug discharges fully through effective ingredient after the cell wall breaking, is conducive to the poultry body to the absorbing of medicine, and its therapeutic effect has qualitative leap.Such preparation is compared with Chinese medicine powder, has the characteristics such as the effective ingredient rate of release is fast, bioavailability is high, the clinical effect effect is remarkable, dosage is few, and shows huge market potential.
Although there is plurality of advantages in Chinese medicine ultra-fine powder, remain in actual production in some problems and a difficult problem: (1) production efficiency is low, the power consumption height is the principal element of restriction veterinary Chinese medicine superfine powder large-scale production.Rod mill when most of material has reached fineness requirement, always has the small part coarse powder to be mixed in wherein in traditional closed circuit crushing process, this part coarse powder is further pulverized reached granularity requirements, need to prolong grinding time, so that crush efficiency is low, also increase considerably power consumption; (2) the material uniformity was poor after there were classification in selecting crude drugs with winnower classification and grading wheel classification, had greatly affected the quality of production of herbal medicine superfine powder; (3) traditional one-way gas flow screening, during owing to micronizing, with particle size reduction, the material particles surface area increases, and adsorptivity increases, and mobile variation easily is gathered into bulky grain, is difficult to carry out so that surpass the sieve classification of crossing of 200 order fineness medicated powder.
The existence of above-mentioned factor has had a strong impact on standardization, the large-scale production of herbal medicine superfine powder, and the popularization on veterinary clinic and use.
Summary of the invention
The object of the invention is to disclose a kind of preparation method that can strengthen the ginseng grass superfine powder of fowl poultry immune effect, this dosage form prescription is simple, prescription is reasonable, effective ingredient discharges fully, and addition is little, and onset is rapid, preparation stabilization, and it is convenient to use, and effect is remarkable.By the Immune Profile In Chicks newcastle disease vaccine is observed the immunological enhancement of vaccine is observed, confirm that this joins careless superfine powder the Immune Profile In Chicks newcastle disease vaccine is had good immunological enhancement.
Another purpose of the present invention is to provide a kind of special bilateral airflow sieving machine that is applied to join careless superfine powder normal temperature preparation method.
The careless superfine powder normal temperature preparation method of ginseng of the present invention may further comprise the steps:
The first step: get the Radix Astragali, Radix Saposhnikoviae, the Rhizoma Atractylodis Macrocephalae, Radix Scrophulariae, each crude drug of Radix Glycyrrhizae; Clean, dry;
Second step: with the coarse pulverization of above-mentioned raw materials medicine, getting granularity is 24 purpose coarse powder;
The 3rd step: each crude drug after the coarse pulverization is pressed the Radix Astragali: the weight ratio mix homogeneously of Radix Saposhnikoviae: the Rhizoma Atractylodis Macrocephalae: Radix Scrophulariae: Radix Glycyrrhizae=6:2:2:2:2;
The 4th step: coarse powder places 60 ℃ of baking ovens to dry to moisture≤7% after will mixing;
The 5th step: will mix coarse powder after the oven dry and put in the rod mill (16) after the pulverizing, send into special bilateral airflow sieving machine by wind and cross 300 mesh sieves, sieve to such an extent that the air-flow that produced by air-introduced machine (5) of the fine powder of particle diameter≤38 μ m is transported to that collection namely gets the careless superfine powder of ginseng in the tornado feeder set (17); The powder of not crossing 300 mesh sieves is delivered to again circulation pulverizing in the rod mill (16) through funnel (3) collection and by pipeline (18);
The 6th goes on foot: go on foot the 4th and seal preservation after the ginseng grass superfine powder mixing of collecting is sub-packed in aluminium foil bag.
The bidirectional airflow sieving machine of the careless superfine powder normal temperature preparation method of ginseng of the present invention special use comprises casing and the downward screen drum of chamber intermediate openings that sets within it, and the order number of described screen drum is 300 orders; The nozzle of screen drum is connected mutually with the funnel upper shed that is arranged on the casing bottom; Chassis cavity is connected with air-introduced machine by the negative constant pressure on top; The door font rotation cardia pipe that is made of transverse tube and standpipe is arranged at the region division between screen drum and casing, the cardia mouth of described door font rotation cardia pipe is for axially being opened in groove on its tube wall along described transverse tube and standpipe respectively, described groove is offered towards the screen drum direction respectively, the groove width 0.5-2mm 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 described blast pipe passes that screen drum is connected with the transverse tube middle part of door font rotation spray trachea and rolls by rolling bearing and is connected; The air inlet of blast pipe extends outside the described hopper side walls and is connected with the blast orifice of aerator; Be provided with feed pipe in screen drum, be provided with the buffering umbrella above the discharging opening of described feed pipe, 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 pressure of described air-introduced machine is 1000pa, and the air inducing amount is 3000 m
3/ h; The rotating speed of described drive motors (8) is 155 to turn/min; The blast pressure of described aerator (11) is 33kpa, and the blow rate required is 320 m
3/ h; The wind pressure that goes out of described powder conveying fan (15) is 24kpa, and air output is 150 m
3/ h; Distance is 25mm between the transverse tube (6) that the sidewall of described screen drum (2) and roof difference are corresponding and the standpipe (7).
The invention has the advantages that whole preparation process carries out at normal temperatures; The final drug granularity of preparation≤38 μ m have greatly improved cell wall breaking rate and bioavailability, have saved medical material; The bidirectional airflow sieving machine that uses among the present invention has been simplified the preparation technology who joins careless superfine powder greatly, has realized the large-scale production of Chinese medicine ultra-fine powder.
The clinical effectiveness of the ginseng grass superfine powder of the present invention's preparation passes through following verification experimental verification:
1. experimental animal: 300 plumages, 1 age in days Luo Man egg cock.Raising to 10 age in days is chosen, and is divided into 5 groups, 60 every group, establishes 3 repetitions.The 1st ~ 3 group in basal diet, add respectively 2%, the 1% careless superfine powder of ginseng and 2% ginseng grass loose, the 4th group is immune not medication of matched group immunity, the 5th group is that the blank group is not immune without medicine.Experimental period is 42 days.
The experimental animal packet transaction sees Table 1.
Table 1 experimental animal packet transaction
| Group | Process |
| The careless superfine powder group of 2% ginseng | Careless |
| The careless superfine powder group of 1% ginseng | Careless superfine powder 1% mixed feeding is joined in immunity |
| The loose group of 2% ginseng grass | Immunity, loose 2% mixed feeding of ginseng grass |
| The immunity matched group | Immunity, not administration |
| The blank group | Not immune, not administration |
2. test with vaccine and test material: the newcastle disease IV is vaccine, and magnificent biological engineering company limited product, specification: 1000 plumage/bottles are irrigated in Binzhou, Shandong; Lot number: 111224.Newcastle standard antigen, feminine gender and positive serum, available from China Veterinary Drugs Supervisory Inst., the antigen HA 1:256 that tires.
3. testing index: (14 ages in days, D before vaccine immunity
0) randomly draw 10 plumages from full group, blood sampling is measured the ND specific antibody as initially tiring.7(D after the first immunisation immunity
7), 14(D
14), 21(D
21), 28(D
28), 35(D
35), 42(D
42) day every group get at random 6 chicken wing venous blood collections, detect serum N D specific antibody titres with β-micromethod.
Each group index of surveying the results are shown in Table 2
Table 2 is respectively organized the variation (log2) that ND-HI tires
| Group | D 0 | D 7 | D 14 | D 21 | D 28 | D 35 | D 42 |
| The careless superfine powder group of 2% ginseng | 2.1±0.9 a | 3.8±0.7 a | 5.2±0.4 a | 7.6±0.5 a | 7.8±0.4 a | 7.3±0.5 ab | 7.0±0.4 ab |
| The careless superfine powder group of 1% ginseng | 2.1±0.9 a | 3.5±0.5 a | 5.2±0.5 a | 7.5±0.5 a | 7.7±0.5 a | 7.2±0.5 ab | 7.0±0.5 ab |
| The loose group of 2% ginseng grass | 2.1±0.9 a | 3.3±0.5 a | 5.0±0.4 ab | 7.3±0.5 ab | 7.5±0.5 ab | 6.8±0.8 ab | 6.4±0.5 bc |
| The immunity matched group | 2.1±0.9 a | 3.3±0.5 a | 4.3±0.5 b | 6.5±0.5c | 7.0±0.6 b | 6.7±0.5 b | 6.0±0.5c |
| The blank group | 2.1±0.9 a | 1.5±0.5 b | 1.0±0.8 c | 0.5±0.7 d | 0.3±0.5 c | 0.0±0.0 c | 0.0±0.0 d |
Annotate: with the different alphabetical person's significant differences of column data subscript (
p＜0.05).
The result who shows from table 2 can find out: more each medication group is higher than or is significantly higher than immune matched group at the serum N D of most time point antibody titer, shows, joins careless superfine powder and has better enhancing immunization.It is near with the loose 2% dosage winding of ginseng grass to join careless superfine powder 1% dosage group effect, be because thereby Chinese medicine barrier of cell wall after micronizing is broken and makes wherein that effective ingredient directly comes out, its effective ingredient and content stripping increase, improve its its biologic activity and make drug effect more rapidly, fully, thereby greatly reduce dosage.
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 bilateral airflow sieving machine of the present invention.
Specific embodiments
Below in conjunction with embodiment, to details are as follows according to the specific embodiment provided by the invention:
The first step: get the Radix Astragali, Radix Saposhnikoviae, the Rhizoma Atractylodis Macrocephalae, Radix Scrophulariae, each crude drug of Radix Glycyrrhizae; Clean, dry;
Second step: with the coarse pulverization of above-mentioned raw materials medicine, getting granularity is 24 purpose coarse powder;
The 3rd step: each crude drug after the coarse pulverization is pressed the Radix Astragali: the weight ratio mix homogeneously of Radix Saposhnikoviae: the Rhizoma Atractylodis Macrocephalae: Radix Scrophulariae: Radix Glycyrrhizae=6:2:2:2:2;
The 4th step: coarse powder places 60 ℃ of baking ovens to dry to moisture≤7% after will mixing;
The 5th step: at first open powder conveying fan 15, air-introduced machine 5, aerator 11, drive motors 8.The wind pressure that goes out of powder conveying fan 15 is 24kpa, and air output is 150 m
3/ h; The air inducing pressure of air-introduced machine 5 is 1000pa, and the air inducing amount is 3000 m
3/ h; The blast pressure of aerator 11 is 33kpa, and the blow rate required is 320 m
3/ h; The rotating speed of drive motors 8 is 155 to turn/min.
1, with after the 4th step, the gained coarse powder placed rod mill 16 interior pulverizing, rod mill 16 interior powder body to be fractionated are arranged in the downward screen drum 2 of casing 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, and by the impulsive force of buffering umbrella 13 reduction powder body to be fractionated in screen drum 2, make powder body to be fractionated in screen drum 2 interior dispersions; The order number of screen drum 2 is 300 orders.
2, the powder body to be fractionated of screen drum 2 interior dispersions carries out classification by screen drum 2 under air-introduced machine 5 effects, and fine powder negative pressure chamber 4 through casing 1 top under air-introduced machine 5 generation negative-pressure air-flow effects of passing screen drum 2 is delivered to collect in the tornado feeder set 17 and namely gets the careless superfine powder of ginseng; The powder body by screen drum 2 does not sink through collecting with the funnel 3 that screen drum 2 under sheds are connected mutually and being delivered to again circulation pulverizing in the described rod mill 16 by pipeline 18;
3, door font rotation spray trachea rotates by rolling bearing 10 under drive motors 8 drives, the wind that aerator 11 is sent enters described transverse tube 6 and standpipe 7 through aerator 9, and the blowback air-flow in the screen drum 2 vertically respectively, powder body in the screen drum 2 is further atomized, stop simultaneously powder body at screen drum 2 caking blocking screen mesh, make not powder body by screen drum 2 along with the air-flow whirlpool that forms sinks to entering in the funnel 3.The groove width that is opened in vertically respectively groove on transverse tube 6 and standpipe 7 tube walls is selected between 0.5mm-2mm as required, and distance is respectively 25mm between the roof of transverse tube 6 and standpipe 7 and corresponding screen drum 2 and the sidewall.
The 6th step: the ginseng grass superfine powder with the 5th step collected, be sub-packed in respectively in the aluminium foil bag, every bag of 500g or 1000g sealing are kept in Dark Place.
Claims (3)
1. normal temperature preparation method with the ginseng grass superfine powder that strengthens the chicken immune effect of vaccine, it is characterized in that: used component medicine is nontoxic, innocuous substance, and preparation comprises the steps:
The first step: get the Radix Astragali, Radix Saposhnikoviae, the Rhizoma Atractylodis Macrocephalae, Radix Scrophulariae, each crude drug of Radix Glycyrrhizae; Clean, dry;
Second step: with the coarse pulverization of above-mentioned raw materials medicine, getting granularity is 24 purpose coarse powder;
The 3rd step: each crude drug after the coarse pulverization is pressed the Radix Astragali: the weight ratio mix homogeneously of Radix Saposhnikoviae: the Rhizoma Atractylodis Macrocephalae: Radix Scrophulariae: Radix Glycyrrhizae=6:2:2:2:2;
The 4th step: coarse powder places 60 ℃ of baking ovens to dry to moisture≤7% after mixing;
The 5th goes on foot: after mixed coarse powder is put the interior pulverizing of rod mill (16), send into special bilateral airflow sieving machine by wind and cross 300 mesh sieves, sieve to such an extent that the air-flow that produced by air-introduced machine (5) of the fine powder of particle diameter≤38 μ m is transported to that collection namely gets the careless superfine powder of ginseng in the tornado feeder set (17); The powder of not crossing 300 mesh sieves is delivered to again circulation pulverizing in the rod mill (16) through funnel (3) collection and by pipeline (18);
The 6th goes on foot: go on foot the 4th and seal preservation after the ginseng grass superfine powder mixing of collecting is sub-packed in aluminium foil bag.
2. as claimed in claim 1, join the special bilateral airflow sieving machine of careless superfine powder normal temperature preparation method, it is characterized in that: comprise casing (1) and the downward screen drum of chamber intermediate openings (2) that sets within it, the order number of described screen drum (2) is 300 orders; The nozzle of screen drum (2) is connected mutually with funnel (3) upper shed that is arranged on casing (1) bottom; Casing (1) inner chamber is connected with air-introduced machine (5) by the negative constant pressure (4) on top; At the region division that is positioned between screen drum (2) and the casing (1) the door font rotation cardia pipe that is made of transverse tube (6) and standpipe (7) is arranged, the cardia mouth of described door font rotation cardia pipe is for axially being opened in groove on its tube wall along described transverse tube (6) and standpipe (7) respectively, described groove is offered towards screen drum (2) direction respectively, the groove width 0.5-2mm 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 described blast pipe (9) passes screen drum (2) and is connected with transverse tube (6) middle part of door font rotation spray trachea and is connected by rolling bearing (10) rolling; The air inlet of blast pipe (9) extends outside described 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 described 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 bilateral airflow sieving machine as claimed in claim 2, it is characterized in that: the air inducing pressure of described air-introduced machine (5) is 1000pa, the air inducing amount is 3000 m
3/ h; The rotating speed of described drive motors (8) is 155 to turn/min; The blast pressure of described aerator (11) is 33kpa, and the blow rate required is 320 m
3/ h; The wind pressure that goes out of described powder conveying fan (15) is 24kpa, and air output is 150 m
3/ h; Distance is 25mm between the transverse tube (6) that the sidewall of described screen drum (2) and roof difference are corresponding and the standpipe (7).
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Application publication date: 20130501 |