CN102406672B - Room-temperature preparation method of ultramicro powder pomegranate rind pulvis and special two-way airflow screening machine thereof - Google Patents
Room-temperature preparation method of ultramicro powder pomegranate rind pulvis and special two-way airflow screening machine thereof Download PDFInfo
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Abstract
The invention discloses a room-temperature preparation method of ultramicro powder pomegranate rind pulvis. The preparation method comprises the following steps: firstly, naturally airing or drying Chinese herbal medicine pomegranate rind pieces ready for decoction until the moisture content of the pieces ready for decoction is less than or equal to 10%; smashing dried pomegranate rind at room temperature to obtain coarse powder with the granularity of 60-80 meshes; putting the obtained coarse powder in a rod mill for smashing, then sending the smashed powder to a special two-way airflow screening machine by air to screen by a 500-meshed screen, conveying screened powder with the particle size less than or equal to 25 micrometers to a whirlwind collector by airflow generated by a draught fan, and collecting to obtain the finished product of the ultramicro powder pomegranate rind pulvis; and collecting powder which is not screened by the 500-meshed screen by a funnel and conveying the collected powder to the rod mill for circular smashing again. The method has the advantages that the whole preparation process is performed at room temperature; the particle size of prepared finished product medicament is less than or equal to 25 micrometers, thus greatly improving cell wall-broken ratio and bioavailability; and the two-way airflow screening machine used in the invention simplifies the preparation process of the ultramicro powder pomegranate rind pulvis, thus realizing the purpose of controllable quality standard of traditional Chinese medicine pulvis.
Description
Technical field
The present invention relates to the veterinary drug preparation field, especially relate to the diffusing normal temperature preparation method of superfine powder Pericarpium Granati; The invention still further relates to the special-purpose two-way airflow screening machine for this method.
Background technology
Using Chinese herbal medicine additive and prevent and treat eqpidemic disease, substitute and reduce chemical drugs, antibiotic dosage, produces nuisanceless " green livestock and poultry product ", is that current expansion livestock products export, and that improves the quality of products presses for.Be used for raising with different usings method and prescription, improve Abwehrkraft des Koepers, promote growth, reduced the residual drawback of medicine, played the effect of " treating both the principal and secondary aspects of a disease ", be worthy to be popularized.How preventing and treating eqpidemic disease, improve the health level of poultry, accomplish both to prevent and cure diseases, can promote growth again, improve laying rate, meat productivity, and can prevent the drawback of drug resistance and drug residue, is current aquaculture problem anxious to be solved.Using Chinese herbal medicine additive, adopt the method for preventing and treating of the combination of Chinese and Western medicine, is the effective way of dealing with problems.Prove that Chinese herbal medicine additive has the eqpidemic disease of preventing and treating, health invigorating, promotion appetite, promotes growth and improve laying rate, meat productivity, improves the good action of animal products quality through a large amount of production practices.Be to implement " pollution-free food " engineering from now on, direction and the way of development safety, health, nutrition, health, environment-friendly type aquaculture.
Pericarpium Granati claims Punica granatum L. shell, Fructus punicae granati skin, western pomegranate skin etc. again, is the dry peel of plant Punica granatum L..Pericarpium Granati is rich in multiple alkaloid, and modern study shows that it has the effect of essence, anti-bacteria and anti-virus, enhancing animal body immunity extremely.Chinese veterinarian think Pericarpium Granati acid, puckery, go into large intestine, kidney channel, have anthelmintic, the effect of astringing intestine to stop diarrhea, hemostasis.Natural, free of contamination characteristics that Pericarpium Granati has are difficult for producing drug resistance, no hazard residue as medicine at animal body, and no obvious toxic-side effects is nuisanceless, is organic " green " anthelmintic health product.
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 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 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 the small 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 easily is 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 the popularization on veterinary clinic and use.
Summary of the invention
The object of the invention is to provide a kind of superfine powder Pericarpium Granati normal temperature preparation method that looses, efficiently solve have in the present Chinese medicine production that energy consumption is big, the medicine maximum particle diameter is difficult to accurate control, can't produce continuously, difficult problems such as dust is many in the production process, make the finished medicines of preparation have rapid-action, good effect, bioavailability height, effect that the clinical application amount is few.
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 superfine powder Pericarpium Granati.
The superfine powder Pericarpium Granati of the present invention normal temperature preparation method that looses comprises the steps:
The first step, Chinese crude drug Pericarpium Granati decoction pieces is dried naturally or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃ the Pericarpium Granati of drying is pulverized, and obtaining granularity is 60-80 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 by 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 namely gets the superfine powder Pericarpium Granati finished product that looses; The powder of not crossing 500 mesh sieves arrives circulation pulverizing again in the described rod mill through the funnel collection and by line transportation.
Special-purpose two-way airflow screening machine of the present invention comprises casing and the downward screen drum of chamber intermediate openings that sets within it, the order number of described screen drum 〉=500 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 pressure chamber on top; Be provided with the door font rotary jet pipe that is constituted by transverse tube and standpipe in the zone between screen drum and casing, the puff prot of described door font rotary jet 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 0.5-2 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 described blast pipe passes that screen drum is connected with the transverse tube middle part of door font rotary jet pipe 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 of described air-introduced machine is pressed and is 1000pa, and the air inducing amount is 3000m
3/ h; The rotating speed of described drive motors is 155 rev/mins; The blast pressure of described aerator is 33kpa, and the blow rate required is 320m
3/ h; The wind pressure that goes out of described powder conveying fan is 24kpa, and air output is 150m
3/ h; The sidewall of described 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 the pharmacological action of medicine, thereby reduced treatment disease dosage, saved medical material, also improved 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 Pericarpium Granati 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 Pericarpium Granati powder preparation of the inventive method preparation is verified by following test: the superfine powder Pericarpium Granati looses to the clinical efficacy of chicken coccidiosis
The superfine powder Pericarpium Granati looses: adopt the inventive method preparation;
The Pericarpium Granati coarse powder: 80 order coarse powder, make by oneself at laboratory;
Diclazuril: content 99%, 100g/ bag, laboratory self-control.
Coccidian oocyst: chicken eimeria tenella spore coccidian oocyst, effluent south agriculture university parasite laboratory provides.
Experimental animal: the assorted chicken of healthy 817 meat of 15 ages in days, totally 150, isolated rearing is also fed and is not contained the complete feed of medicine.
EXPERIMENTAL DESIGN: be divided into 5 groups at random, 30 every group with 150.Be grouped as follows:
The I group adopts the superfine powder Pericarpium Granati to loose and organizes, and feeds by forage volume 1% spice;
The II group adopts Pericarpium Granati coarse powder group, feeds by forage volume 1% spice;
The III group adopts the diclazuril group, feeds by the 1mg/Kg spice;
The IV group adopts the blank group, does not infect and does not treat;
The V group adopts and infects matched group, only infects and does not treat.
The test daily ration: basal diet is pressed the feeding standard autogamy by chicken house, adds respectively in proportion according to EXPERIMENTAL DESIGN and respectively organizes medicine, mix homogeneously.
Test method: except blank, every equal per oral inoculation 1ml eimeria tenella spore egg capsule suspension (contains spore egg capsule 3.0 * 10 during other 4 group of 18 age in days
5Individual).Infect the same day of coccidian oocyst, except matched group, each administration group is evenly sneaked in the feedstuff according to above-mentioned variable concentrations and is fed, and is used in conjunction 7 days.
Infecting the promoting the circulation of blood of going forward side by side of back viewing test chicken spirit every day, appetite, feces just keeps the score.Infected after the same day and the administration the 8th day, and weighed, calculate survival rate, rate of body weight gain of each group; And chicken all catched and killed cuts open inspection, observe and carry out lesion score, hemafecia is kept the score; Calculate egg sac number, egg capsule value and anticoccidial index (ACI).
Criterion:
Test chicken sum in survival rate=group internal memory live chickens number/group * 100%
The relative weight gain rate (%)=(infecting the average weight gain of the average weight gain/blank group of dispensing group) * 100%
Hemafecia keep the score the inoculation egg capsule after the 4th, 5,6,7,8d, keep the score with reference to the method for Morehouse.
Lesion score is pressed the method for Johnson etc., does caecum and the small intestinal lesion score of chicken.Pathological changes value=every group of average lesion score * 10.
The egg capsule value is got and is respectively organized feces, fully mixing, weigh, count the egg sac number (OPG) of every gram feces with the Maxwell, and be converted into the egg capsule value by angle Sesbania cannabina (Retz.) Pers. method.
Anticoccidial index (ACI)=(the relative weight gain rate+survival rate)-(pathological changes value+egg capsule value+hemafecia score)
Effect assessment is judged anticoccidial effect according to ACI: ACI＞180 are for outstanding; ACI=160-180 is good; ACI=120-160 is medium effective; ACI≤120 are invalid.Concrete outcome sees Table 1.
Each test group anticoccidial effect of table 1
| Group | Chicken number (only) | Survival rate (%) | The relative weight gain rate (%) | Hemafecia keep the score (0～4) | Pathological changes value (0～40) | Egg capsule value (0～40) | ACI |
| The I group | 30 | 100 | 89.70 | 0.83 | 12.64 | 5 | 171.23 |
| The II group | 30 | 93.3 | 86.22 | 1.43 | 16.00 | 10 | 152.09 |
| The III group | 30 | 90 | 76.13 | 1.56 | 17.00 | 10 | 137.57 |
| The IV group | 30 | 100 | 100 | 0.00 | 0.00 | 0 | 200 |
| The V group | 30 | 60 | 58.40 | 3.59 | 28.00 | 40 | 46.81 |
Result of the test shows: infect matched group at duration of test, survival rate is 60%, the relative weight gain rate is 58.40%, hemafecia is kept the score, pathological changes value and egg capsule value are respectively 3.59,28.00 and 40, ACI only is 46.81, the pathological model success that this experiment is done is described, the balls worm's ovum has stronger virulence.
Compare with matched group, interpolation 1% superfine powder Pericarpium Granati looses chicken coccidiosis is had the obvious treatment effect in the feedstuff, and the anticoccidial index is 171.23, belongs to the good medicine of curative effect.And the anticoccidial index of Pericarpium Granati coarse powder group and diclazuril group is respectively 152.09 and 137.57, and therapeutic effect all is worse than the diffusing group of superfine powder Pericarpium Granati.This shows, loose to treat the sick better effects if of chicken eimeria tenella with the superfine powder Pericarpium Granati, not only can avoid the chemical sproof generation of antibiotic and chemical synthetic drug, and with the Pericarpium Granati coarse powder when Isodose uses, have the advantage that the Pericarpium Granati coarse powder can not be substituted.
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 of the present invention.
The specific embodiment
As shown in Figure 1, 2, the superfine powder Pericarpium Granati of the present invention normal temperature preparation method that looses comprises the steps:
The first step, Chinese crude drug Pericarpium Granati decoction pieces is dried naturally or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃ the Pericarpium Granati of drying is pulverized, and obtaining granularity is 60-80 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, the second step gained coarse powder is placed pulverize in the rod mill 16 after, 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 in the rod mill 16, and by the impulsive force of buffering umbrella 13 reduction powder body to be fractionated in screen drum 2, powder body to be fractionated is disperseed in screen drum 2; The order number of screen drum 2 is 500 orders;
2, the powder body to be fractionated that disperse in the screen drum 2 carry out classification by screen drum 2 under air-introduced machine 5 effects, and fine powder negative pressure chamber 4 through casing 1 top under the negative-pressure air-flow effect that air-introduced machine 5 produces of passing screen drum 2 is transported to and collects the superfine powder Pericarpium Granati that namely the gets particle diameter≤25 micron finished product that looses in the tornado feeder set 17.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 transported to circulation pulverizing again in the described rod mill 16 by pipeline 18;
3, door font rotary jet pipe rotates by rolling bearing 10 under drive motors 8 drives, the wind that aerator 11 is sent is in blast pipe 9 enters described 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 even 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 to stop up sieve screen apertures at screen drum 2 caking simultaneously, 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 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 superfine powder Pericarpium Granati that obtains is sub-packed in the aluminium foil bag, and every bag weighs 500g or 1000g.
Claims (2)
1. the diffusing normal temperature preparation method of superfine powder Pericarpium Granati is characterized in that: comprise the steps:
The first step, Chinese crude drug Pericarpium Granati decoction pieces is dried naturally or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃ the Pericarpium Granati of drying is pulverized, and obtaining granularity is 60-80 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 by 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 in the tornado feeder set (17) collection and namely gets the superfine powder Pericarpium Granati finished product that looses; The powder of not crossing 500 mesh sieves is transported to circulation pulverizing again in the described rod mill (16) through funnel (3) collection and by pipeline (18);
Described special-purpose two-way airflow screening machine 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) 〉=500 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 pressure chamber (4) on top; Be provided with the door font rotary jet pipe that is constituted by transverse tube (6) and standpipe (7) in the zone that is positioned between screen drum (2) and the casing (1), the puff prot of described door font rotary jet 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 0.5-2 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 described blast pipe (9) passes screen drum (2) and is connected with transverse tube (6) middle part of door font rotary jet pipe 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).
2. the superfine powder Pericarpium Granati according to claim 1 normal temperature preparation method that looses, it is characterized in that: the air inducing of described air-introduced machine (5) is pressed and is 1000pa, and the air inducing amount is 3000m
3/ h; The rotating speed of described drive motors (8) is 155 rev/mins; The blast pressure of described aerator (11) is 33kpa, and the blow rate required is 320m
3/ h; The wind pressure that goes out of described powder conveying fan (15) is 24kpa, and air output is 150m
3/ h; The sidewall of described screen drum (2) and roof respectively with corresponding standpipe (7) and transverse tube (6) between distance be 25 millimeters.
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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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Owner name: HENAN KANGXING BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HENAN KANGXING PHARMACEUTICAL CO., LTD. Effective date: 20140418 Owner name: HENAN KANGXING PHARMACEUTICAL CO., LTD. Effective date: 20140418 |
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Free format text: CORRECT: ADDRESS; FROM: 451464 ZHENGZHOU, HENAN PROVINCE TO: 454971 JIAOZUO, HENAN PROVINCE |
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Effective date of registration: 20140418 Address after: 454971, Henan, Jiaozuo province Wuzhi Zhan Zhen Ma Ying Dong Patentee after: Henan Kang Xing Biotechnology Co., Ltd. Patentee after: Henan Health Star Pharmaceutical Co., Ltd. Address before: 451464, No. 2, Hing Road, Baisha Industrial Park, Zhongmu County, Henan, Zhengzhou Patentee before: Henan Health Star Pharmaceutical Co., Ltd. |