CN102429937A - Superfine powder purslane powder normal-temperature preparation method and special double-direction air flow screening machine thereof - Google Patents
Superfine powder purslane powder normal-temperature preparation method and special double-direction air flow screening machine thereof Download PDFInfo
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- CN102429937A CN102429937A CN2011103829357A CN201110382935A CN102429937A CN 102429937 A CN102429937 A CN 102429937A CN 2011103829357 A CN2011103829357 A CN 2011103829357A CN 201110382935 A CN201110382935 A CN 201110382935A CN 102429937 A CN102429937 A CN 102429937A
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Abstract
The invention discloses a superfine powder purslane powder normal-temperature preparation method. The method comprises the following steps of: washing Chinese medicinal crop purslane, drying, cutting into long sections and drying until water content is less than or equal to 10 percent; crushing the sectioned traditional Chinese medicine at normal temperature to obtain coarse powder with particle size of 60-100 meshes; filling the coarse powder in a rod mill and crushing; feeding into a special double-direction air flow screening machine through air and screening through a 500-mesh screen; conveying the powder with particle size of less than or equal to 25 microns obtained by screening into a cyclone collector through an air flow produced by an induced draught fan to collect a superfine powder purslane powder finished product; and collecting the powder which does not pass through the 500-mesh screen through a funnel, conveying to the rod mill through a pipeline and then circularly crushing. The method has the advantages that: the preparation process is performed at the normal temperature; the prepared finished medicament has the particle size of less than or equal 25 microns, and the cell wall breakage rate and the bioavailability are greatly improved; and through the double-direction air flow screening machine used in the method, the preparation process for the superfine powder purslane powder is simplified, and the aim of controllable quality standard of traditional Chinese medicine powder is fulfilled.
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 Herba Portulacae; The invention still further relates to the special-purpose two-way airflow screening machine that is used for this method.
Background technology
Diarrhea in livestock be China and even world's aquaculture one of technical barrier.Domestic animal also seriously hinders the sound development of aquaculture because of the dead breed enterprise that gives that suffers from diarrhoea causes enormous economic loss, is a technical problem that needs to be resolved hurrily.What the main cause of morbidity comprised Escherichia coli and other cause of diseases infects factors such as dyspepsia, immunity degradation, ablactation and environmental stimulus.At present; Diarrhoea to pathogenic microorganism causes is mainly used antibiotic, chemotherapy; But along with being widely used of antibiotics; Its drawback also highlights day by day, as the generation, the immunity of organisms that cause endogenous infection and superinfection, fastbacteria descend and medicine residual etc., thereby antibiotic application is restricted.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.
Herba Portulacae head is stated from Shennong's Herbal, one of integration of edible and medicinal herbs wild plant of assert as health ministry, the history of utilizing in existing 1,100 of China.Scientific research in recent years finds that it is a kind of health functional food, has great medical value again, has showed wide application prospect.Herba Portulacae has the effect of heat-clearing and toxic substances removing, damp eliminating leukorrhagia stopping, is used for treating diseases such as hematodiarrhoea, leukorrhagia, carbuncle, erysipelas, scrofula more.In addition, it also has stronger bacteriostasis, enteritis, coccus, coccidiosis and escherichia coli etc. is also had good prevention effect, and do not have the bitterness of common Chinese herbal medicine, and good palatability can be widely used in the animal and fowl fodder.
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 Herba Portulacae normal temperature preparation method that looses; Efficiently solve present production Herba Portulacae 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 superfine powder Herba Portulacae.
The superfine powder Herba Portulacae of the present invention normal temperature preparation method that looses comprises the steps:
The first step, the Chinese crude drug Herba Portulacae is cleaned, dries, cut into the long section of 3-5cm, natural drying or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃, the Chinese medicine of cutting is pulverized, and obtaining granularity is 60-100 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 superfine powder Herba Portulacae; 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 Herba Portulacae 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 Herba Portulacae powder preparation of the inventive method preparation is able to checking through following test:
Superfine powder Herba Portulacae preparation of the present invention is to the clinical efficacy of diarrhea of weaned piglets and fertility performance
Test drug and material:
The superfine powder Herba Portulacae looses, and adopts the present invention's preparation;
The Herba Portulacae coarse powder: 80 order coarse powder, make by oneself at laboratory;
Experimental animal: 180 of the DLY piglets that employing pig farm, Changyuan County, Xinxiang, Henan Province 21 ages in days wean, health is anosis, body weight is close; Be divided into 3 groups at random; Every group 60; Make its weaning weight consistent as far as possible, carry out feeding experiment respectively, the isolated rearing and the not complete feed of drug of feeding with public female sex ratio.
Test is divided into groups:
The I group adopts the superfine powder Herba Portulacae to loose, and feeds by 0.5% spice of feedstuff weight;
The II group adopts the Herba Portulacae coarse powder, feeds by 0.5% spice of feedstuff weight;
The III group is the blank group.
Test method: claim initial weight morning on an empty stomach when on-test, and feed according to above-mentioned addition and respectively organize medicine every day.After 30 days, claim that the end is heavy morning on an empty stomach, accurate recording feed intake, situations such as piglet searches for food, spirit, fur, feces.
Supply the raising of examination piglet: piglet is raised by the special messenger, and every circle is established 1 crib, 1 automatic drinking bowl, and every day, 8:00,12:00,17:00 respectively added material 1 time, and the material of not eating up is collected, dries, is weighed, record, and writes down the feed consumption rate of every day.
Testing index: to repeat is unit, measures the weightening finish respectively organize piglet, daily ingestion amount, daily gain, feedstuff-meat ratio, diarrhea rate (diarrhea rate=diarrhoea number/(60 * 30d) * 100 ﹪).
Date processing: feed intake, daily gain, feedstuff-meat ratio and diarrhea rate are carried out variance analysis and multiple comparisons, and concrete outcome is seen table 1.
Table 1 multiple comparisons analysis result
Observe from the test overall process, the test group growing-finishing pig is searched for food, is drunk water and all act normally, and does not find abnormal conditions such as a pig death.The result shows in the table 1: diffusing group of superfine powder Herba Portulacae and Herba Portulacae coarse powder group all are superior to matched group at aspects such as daily gain, material anharmonic ratio, diarrhea rates.Compare with matched group, the material anharmonic ratio and the diarrhea rate of the diffusing group of superfine powder Herba Portulacae reduce by 5.45% and 38.4% respectively.The material anharmonic ratio and the diarrhea rate of Herba Portulacae coarse powder reduce by 2.22% and 23.1% respectively.This shows that Herba Portulacae makes an addition in the piglet diet, can obviously reduce diarrhea rate and the feedstuff-meat ratio of piglet, improve daily gain and fertility performance, chemical sproof generation when having avoided antibiotic and chemical synthetic drug to use.When Isodose used, the superfine powder Herba Portulacae loose and has the incomparable superiority of Herba Portulacae coarse powder.
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 Herba Portulacae of the present invention normal temperature preparation method that looses comprises the steps:
The first step, the Chinese crude drug Herba Portulacae is cleaned, dries, cut into the long section of 3-5cm, natural drying or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃, the Chinese medicine of cutting is pulverized, and obtaining granularity is 60-100 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 superfine powder Herba Portulacae.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 Herba Portulacae that obtains is sub-packed in the aluminium foil bag every bag heavy 1000g.
Claims (3)
1. the diffusing normal temperature preparation method of superfine powder Herba Portulacae is characterized in that: comprise the steps:
The first step, the Chinese crude drug Herba Portulacae is cleaned, dries, cut into the long section of 3-5cm, natural drying or dry to moisture≤10%;
Second goes on foot, under 20 ℃～25 ℃, the Chinese medicine of cutting is pulverized, and obtaining granularity is 60-100 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 superfine powder Herba Portulacae; 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 Herba Portulacae 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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Cited By (4)
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| CN104095892A (en) * | 2014-08-07 | 2014-10-15 | 卜政安 | Extracting method for improving active ingredient content of purslane |
| CN108130774A (en) * | 2017-12-23 | 2018-06-08 | 郑州默尔电子信息技术有限公司 | Block-resistant type waste paper pulp crushing apparatus |
| CN108131897A (en) * | 2017-12-21 | 2018-06-08 | 郑州诚合信息技术有限公司 | A kind of powder drying device with screening function |
| CN111632736A (en) * | 2020-06-16 | 2020-09-08 | 甘肃中科聚合石油科技有限公司 | Multilayer backward flow formula polyacrylamide suspending agent raw materials grinder |
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| CN111632736A (en) * | 2020-06-16 | 2020-09-08 | 甘肃中科聚合石油科技有限公司 | Multilayer backward flow formula polyacrylamide suspending agent raw materials grinder |
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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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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. |