CN102397162A - Method for preparing ultrafine honeysuckle and forsythia powder at normal temperature and special bidirectional airflow screening machine for method - Google Patents
Method for preparing ultrafine honeysuckle and forsythia powder at normal temperature and special bidirectional airflow screening machine for method Download PDFInfo
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- CN102397162A CN102397162A CN2011103829037A CN201110382903A CN102397162A CN 102397162 A CN102397162 A CN 102397162A CN 2011103829037 A CN2011103829037 A CN 2011103829037A CN 201110382903 A CN201110382903 A CN 201110382903A CN 102397162 A CN102397162 A CN 102397162A
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Abstract
The invention discloses a method for preparing ultrafine honeysuckle and forsythia powder at normal temperature. The method comprises the following steps of: drying Chinese herbal medicines, namely honeysuckle, weeping forsythia, mint, fineleaf schizonepeta herb, fermented soybean, great burdock achene, platycodon grandiflorus, common lophatherum herb, liquorice root and reed rhizome drinking tablets, and crushing the Chinese herbal medicines at normal temperature to obtain coarse powder with the particle size of between 60 and 80 meshes; uniformly mixing the obtained coarse powder in the proportion; putting the coarse powder into a rod mill and crushing, feeding into a special bidirectional airflow screening machine by the wind and sieving with a 500-mesh sieve to obtain powder with the particle size of less than or equal to 25 microns, and conveying the powder into a cyclone material collector by the airflow generated by a draught fan and collecting to obtain finished ultrafine honeysuckle and forsythia powder; and collecting the powder which is not sieved with the 500-mesh sieve by a funnel, and conveying the powder into the rod mill by a pipeline and performing cyclic crushing again. The method has the advantages that: the ultrafine honeysuckle and forsythia powder is prepared at normal temperature; the particle size of the prepared finished medicine is less than or equal to 25 microns, so that the cell wall-breaking rate and the bioavailability are greatly improved; and by the bidirectional airflow screening machine used in the method, the preparation process for the ultrafine honeysuckle and forsythia powder is simplified.
Description
Technical field
The present invention relates to the veterinary drug preparation field, especially relate to superfine powder Lonicerae and Forsythiae Powder normal temperature preparation method; The invention still further relates to the special-purpose two-way airflow screening machine that is used for this method.
Background technology
Mostly the Lonicerae and Forsythiae Powder that is applied to poultry at present is the powder of coarse pulverization, has that dosage is big, dosage form is thick, appearance poor, and effective ingredient can not fully discharge, and bioavailability is low to be waited not enoughly, has had a strong impact on Chinese medicine quality and therapeutic effect.Chinese medicine carry out aspect the prevention and treatment of diseases with other chemical synthetic drugs have safe, toxic and side effects is little, effective ingredient is many, hazard residue is few, action target spot is many, can bring into play advantage such as combined effect; And 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 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 Lonicerae and Forsythiae Powder normal temperature preparation method; Efficiently solve present production Lonicerae and Forsythiae Powder 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 superfine powder Lonicerae and Forsythiae Powder normal temperature preparation method.
Superfine powder Lonicerae and Forsythiae Powder normal temperature preparation method of the present invention comprises the steps:
The first step, choose crude drug Flos Lonicerae, Fructus Forsythiae, Herba Menthae, Herba Schizonepetae, Semen Sojae Preparatum, Fructus Arctii, Radix Platycodonis, Herba Lophatheri, Radix Glycyrrhizae, Rhizoma Phragmitis decoction pieces respectively; Naturally dry or dry to moisture≤10%;
In second step, respectively that above-mentioned raw materials medicated powder is broken under 20 ℃~25 ℃ temperature, obtaining granularity is 60~80 purpose coarse powder;
The 3rd step, with the second step gained coarse powder in Flos Lonicerae: the weight portion ratio mix homogeneously of Fructus Forsythiae: Herba Menthae: Herba Schizonepetae: Semen Sojae Preparatum: Fructus Arctii: Radix Platycodonis: Herba Lophatheri: Radix Glycyrrhizae: Rhizoma Phragmitis=12:9:6:6:6:9:5:4:4:6;
The 4th step, with the 3rd 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 gets superfine powder Lonicerae and Forsythiae Powder finished product; 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; Improve cell wall breaking rate and bioavailability greatly, strengthened pharmacological action, thereby reduced treatment disease dosage; Practiced thrift medical material; Also improve simultaneously the abnormal smells from the patient and the mouthfeel of medicine, made that directly adopting water way to take medicine to poultry is achieved, changed the deficiency that Chinese powder medicine can only spice can not be drunk water and take; The two-way airflow screening machine that uses in the inventive method has been simplified the preparation technology of superfine powder Lonicerae and Forsythiae Powder 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 Lonicerae and Forsythiae Powder preparation of the inventive method preparation is able to checking through following test:
Test one:
Trial drug and grouping:
I group: the superfine powder Lonicerae and Forsythiae Powder that adopts the present invention's preparation;
The II group: Lonicerae and Forsythiae Powder, according to two ones of " Chinese veterinary drug allusion quotation " versions in 2010, manufacture experimently at laboratory;
The III group: oxytetracycline powder, the 100g/ bag, content: 98.5%, prepared in laboratory;
The IV group: matched group, do not treat to medicine.
Avian pasteurella multocida C
48-1Strain: China Veterinary Drugs Supervisory Inst. provides.
Experimental animal: the healthy blue brown chicken crowd in sea of chicken house 90 ages in days, select 400 according to the principle of body weight size basically identical and be divided into 4 groups, 100 every group, make an experiment.
Test method: healthy chicken flock is carried out challenge test.Use avian pasteurella multocida C
48-1Challenge test is carried out in strain, sets up disease model, and behind the counteracting toxic substances, the fowl cholera symptom appears in the chicken crowd, after laboratory is made a definite diagnosis, randomly draws 800 with making a definite diagnosis the morbidity chicken crowd who infects fowl cholera, is divided into 4 groups, 200 every group, treats experiment.
Usage and consumption are respectively:
The I group is fed (admix material by 1% of feedstuff weight portion and raise, down together) by 1% spice, and the II group is fed by 2% spice, and the III group is fed by 0.5% spice, carries out therapeutic test; Establish matched group (IV group) simultaneously, need not any Drug therapy.Experimental period is 7 days, and each is organized drug therapy Cure Effect Against Fowl Cholera result of the test and relatively sees Table one.
Table one:
Can find out from above-mentioned result of the test; Superfine powder Lonicerae and Forsythiae Powder group; The Lonicerae and Forsythiae Powder group; There were significant differences for oxytetracycline powder group and blank group (p < 0.05), and superfine powder Lonicerae and Forsythiae Powder group therapeutic effect thinks thus that apparently higher than oxytetracycline powder group and Lonicerae and Forsythiae Powder group (p < 0.05) the superfine powder Lonicerae and Forsythiae Powder has good effect in prevention and treatment fowl cholera.
Test two:
1, experimental animal: 350 of the blue brown chickling in the healthy sea of 21 ages in days are divided into 7 groups at random;
2, Strain is used in test: infectious bronchitis virus type strain M41 and positive serum, check institute available from Chinese veterinary drug.
Trial drug and grouping and medicining condition are seen table two.
Table two:
Group | Number of animals (only) | Medicining condition | Usage and dosage |
1 | 50 | Do not infect, do not treat group (blank control group) | Need not any |
2 | 50 | Infect, do not treat group | Infect not medication |
3 | 50 | Infect moroxydine treatment group | 1.0g/kg water/sky |
4 | 50 | Infect Lonicerae and Forsythiae Powder fine powder |
2% spice/ |
5 | 50 | Infect superfine powder Lonicerae and Forsythiae Powder high dose group | 1% spice/sky |
6 | 50 | Infect dose groups in the superfine powder Lonicerae and Forsythiae Powder | 0.5% spice/sky |
7 | 50 | Infect superfine powder Lonicerae and Forsythiae Powder low dose group | 0.25% spice/sky |
Criterion:
Cure: recover normal with spirit, appetite, drug withdrawal 2 time-of-week inside not recidivist cure;
Produce effects: clinical symptoms obviously alleviates after the medication treatment, and spirit and appetite transfer the treatment produce effects well to;
Invalid: symptom does not disappear after medication, the state of an illness do not take a turn for the better and treat during because of primary disease death be invalid.
4, respectively organize drug therapy infectious bronchitis of chicken effect test result and relatively see Table three.
Table three
Group | Sickness rate (%) | Cure rate (%) | Obvious effective rate (%) | Case fatality rate (%) |
1 | 0 | 0 | 0 | 0 |
2 | 100 | 0 | 0 | 100 |
3 | 100 | 70 | 87 | 13 |
4 | 100 | 92 | 96 | 4 |
5 | 100 | 94 | 96 | 4 |
6 | 100 | 86 | 90 | 10 |
7 | 100 | 78 | 89 | 12 |
Can find out that from result of the test superfine powder Lonicerae and Forsythiae Powder high dose group therapeutic effect the best is 94%.Lonicerae and Forsythiae Powder fine powder group and superfine powder Lonicerae and Forsythiae Powder group cure rate are all apparently higher than moroxydine group (p < 0.05); Superfine powder Lonicerae and Forsythiae Powder group cure rate is apparently higher than Lonicerae and Forsythiae Powder fine powder group (p < 0.05), so the superfine powder Lonicerae and Forsythiae Powder has good effect at the treatment infectious bronchitis of chicken.
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, superfine powder Lonicerae and Forsythiae Powder normal temperature preparation method of the present invention comprises the steps:
The first step, choose crude drug Flos Lonicerae, Fructus Forsythiae, Herba Menthae, Herba Schizonepetae, Semen Sojae Preparatum, Fructus Arctii, Radix Platycodonis, Herba Lophatheri, Radix Glycyrrhizae, Rhizoma Phragmitis decoction pieces respectively; Naturally dry or dry to moisture≤10%;
In second step, respectively that above-mentioned raw materials medicated powder is broken under 20 ℃~25 ℃ temperature, obtaining granularity is 60~80 purpose coarse powder;
The 3rd step, with the second step gained coarse powder in Flos Lonicerae: the weight portion ratio mix homogeneously of Fructus Forsythiae: Herba Menthae: Herba Schizonepetae: Semen Sojae Preparatum: Fructus Arctii: Radix Platycodonis: Herba Lophatheri: Radix Glycyrrhizae: Rhizoma Phragmitis=12:9:6:6:6:9:5:4:4:6;
The 4th 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 3rd 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 superfine powder Lonicerae and Forsythiae Powder finished product.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.
Claims (3)
1. a superfine powder Lonicerae and Forsythiae Powder normal temperature preparation method is characterized in that: comprise the steps:
The first step, choose crude drug Flos Lonicerae, Fructus Forsythiae, Herba Menthae, Herba Schizonepetae, Semen Sojae Preparatum, Fructus Arctii, Radix Platycodonis, Herba Lophatheri, Radix Glycyrrhizae, Rhizoma Phragmitis decoction pieces respectively; Naturally dry or dry to moisture≤10%;
In second step, respectively that above-mentioned raw materials medicated powder is broken under 20 ℃~25 ℃ temperature, obtaining granularity is 60~80 purpose coarse powder;
The 3rd step, with the second step gained coarse powder in Flos Lonicerae: the weight portion ratio mix homogeneously of Fructus Forsythiae: Herba Menthae: Herba Schizonepetae: Semen Sojae Preparatum: Fructus Arctii: Radix Platycodonis: Herba Lophatheri: Radix Glycyrrhizae: Rhizoma Phragmitis=12:9:6:6:6:9:5:4:4:6;
The 4th step, with the 3rd 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 gets superfine powder Lonicerae and Forsythiae Powder finished product; 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 said superfine powder Lonicerae and Forsythiae Powder of claim 1 normal temperature preparation method, 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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CN108607046A (en) * | 2016-12-13 | 2018-10-02 | 河南后羿实业集团有限公司 | A kind of animal compound Lonicera and Forsythia oral solution and preparation method thereof |
CN113577207A (en) * | 2021-08-04 | 2021-11-02 | 云浮市皇家药业有限公司 | Lonicera and forsythia loose powder and preparation method and device thereof |
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