CN1227985C - Method for prepn. of corncob granule powder carrier - Google Patents
Method for prepn. of corncob granule powder carrier Download PDFInfo
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- CN1227985C CN1227985C CNB021097658A CN02109765A CN1227985C CN 1227985 C CN1227985 C CN 1227985C CN B021097658 A CNB021097658 A CN B021097658A CN 02109765 A CN02109765 A CN 02109765A CN 1227985 C CN1227985 C CN 1227985C
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Abstract
The present invention relates to a method for preparing corncob granule powder carriers, which comprises: threshing corncobs are used as raw materials, the outer bran layers and the sponge cores of the corncobs are removed, separated wood bodies are pressed and cut into granule sheets, and burrs on the surfaces of the wood bodies are removed; the granule sheets are crushed and sieved, and then tableted, shaped, crushed and sieved until designated granularity is achieved; the finished granule powder is sterilized and dried, and finally, granule powder carriers are obtained. The corncob granule powder carriers have high quality and good absorbability, and the rate of finished products reaches 35 to 40%. Compared with the original preparing cost, the corncob granule powder carriers reduce the preparing cost by 3 to 4 times. The corncob granule powder carriers can be used as low-grade veterinary medicine carriers, and can satisfy the technical requirements of the veterinary medicine carriers of various antibiotics.
Description
Technical field
The present invention relates to a kind of preparation method's (the technology Main classification is A23K1/16～1/18) who makes the carrier that veterinary drug, feed addictive and pre-mixing agent use, particularly is the preparation method that raw material is made corncob granule powder carrier with the corncob.
Background technology
At present, a lot of veterinary drug industries need be that carrier is produced apramycin, tens veterinary drug kinds such as Du mycin, choline antibiotic and pre-mixing agent with corncob granule powder.But the method for processing granular powder carrier great majority adopt whole crushing and screening method, be about to whole the pulverizing and screen of corncob of threshing, the granule powder carrier that this method obtains can only be used in the making to choline veterinary drug of low quality, is it right, and the higher veterinary drug of class quality requirement such as Du's mycin etc. then can not satisfy specification requirement, because this class veterinary drug is higher to physical and chemical inspection index requests such as the uniformity of carrier granular, unit weight, microorganisms, so can not make this type of veterinary drug with the carrier that this method obtains; The yield rate of making particulate vector with whole crushing and screening legal system is lower simultaneously; generally can only reach 5～10%; this is because outer bran chaff layer and sponge inner core belong to software; and middle wooden body is harder; their pulverizing that mixes; because the soft body of pulverizing earlier coats and is mixed in the hardwood body therebetween; make the more difficult even fragmentation of wooden body; and hard shive grain also stops up sieve aperture easily; device efficiency is reduced greatly, do not reach the unit weight standard with the particulate vector of whole crushing and screening method, conventional method is when satisfying granularity and require; unit weight has only 240～350g/L usually, and unit weight standard general provision is 450～650g/L.So far, the technology that still not find substitutes above-mentioned preparation method is open, and it is higher promptly to make ratio defective product with corncob, and it is open that every physical and chemical index all satisfies the technology of preparing of the granule powder carrier that all kinds of veterinary drugs produce.
Summary of the invention
The objective of the invention is to overcome many defectives that the method for preparing corncob granule powder carrier exists, a kind of new preparation method is provided, the corncob granule powder carrier that utilizes this method to produce, yield rate height not only, cost of manufacture is low, and every physical and chemical index of carrier all can satisfy the higher veterinary drugs of specification requirement such as producing Du's mycin.
Preparation method of the present invention is to serve as to make the deep processing that raw material was carried out with the threshing corn core, and master operation is raw material → roughing separation → crush-cutting shaping → fragmentation → screening → shaping again, fragmentation, screening → sterilization, and this preparation method's technical characterictic is:
A) the outer and sponge inner core of the bran chaff of removal corncob separates the wooden body in itself and centre;
B) wooden body crush-cutting is become sheet of particles, and remove the bran chaff thorn of wooden surface, enter finishing step afterwards;
C) sheet of particles is carried out fragmentation, screening, what reach designated size enters the finished product operation, and the non-standard fine powder that sieves is done the by-product packing;
D) will not reach big sheet crush-cutting shaping once more, fragmentation, the screening of finished product granularity, until reaching designated size;
E) will enter the particle powder sterilization, oven dry of finished product operation and make granule powder carrier.
In the inventive method wooden body is handled with needing to carry out roughing between bran chaff skin and sponge inner core separate, be about to corncob and be processed into the mixture of diameter in 5～10mm granularity.Behind roughing and separation circuit, to carry out extrusion shearing to wooden body and become sheet of particles, promptly utilize mechanical presses and shearing, it is the sheet of particles of 1.5～3.0mm that isolated wooden body crush-cutting is become thickness, in process, because broken gradually, the reproduced goods granularity is diminished gradually, pellet hardness increases gradually, so the present invention adopts repeatedly crush-cutting shaping, fragmentation, screening operation, and this process can repeat 1～3 time.Make the round woody body be become the strip sheet of particles by crush-cutting, strip is fractured into littler circular granular again until the granularity that reaches regulation.The internal structure of sheet of particles has obtained change in this process, and hardness also decreases, and has therefore also improved the output and the yield rate of product.
Granularity according to the standard particle powder carrier of the inventive method preparation can reach 30～70 orders, and powder particle size is 70～300 orders.
Preparation method of the present invention compares with the preparation method of existing corncob granule powder carrier has following advantage:
1, yield rate improves greatly, can reach 35～40%, and cost of manufacture has reduced by 3～4 times than originally;
2, product quality improves greatly, every physics and chemistry test index all reaches or is higher than the technical standard of domestic and international veterinary carriers, not only can make choline inferior grade veterinary drug carrier, can also satisfy the requirement of various veterinary drug productions such as Du's mycin, apramycin, pre-mixing agent with carrier;
3, design technology is reasonable, saves equipment energy consumption and parts depreciation, and usage ratio of equipment improves greatly.
Description of drawings and embodiment
Below by process chart of the present invention the inventive method is described in detail.
Accompanying drawing is a process flow diagram of the present invention.
The corncob raw material is the corncob of threshing, and through the grizzly cleaning, removal organic and inorganic impurity wherein is after after the air dry, make the moisture content of raw material corncob reduce to 12～18%.Corncob is processed into the mixture of diameter in 5～10mm granularity, then corncob bran chaff skin is separated with the wooden body of centre with the sponge inner core, isolated bran chaff and cavernous body are made by-product; Again wooden body crush-cutting is shaped to the sheet of particles that thickness is 1.5～3.0mm, and removes the bran chaff burr of wooden surface, enter finishing step afterwards.Because the sheet of particles smooth surface does not have burr, no bran chaff is sneaked into broken process, saves power both for step fine finishining down, has accelerated broken speed again, has improved yield rate.
The semi-finished product sheet of particles is carried out fragmentation, screening, what reach designated size enters the finished product operation, the bulky grain sheet that does not reach the finished product granularity is by crush-cutting shaping once more, fragmentation and screening, until reaching designated size, crush-cutting shaping, fragmentation once more, screen this process and repeat to prepare granularity twice and reach 30～70 purpose standard particle powder carriers, the powder particle size under the back sieve of sieving be 70～300 orders as by-product, be mainly used to do feed pre-mixing agent and additive, also can make the raw material of hot-face insulation brick.
Always producing some flies chaff in the preparation process of the present invention, so in crush-cutting shaping, fragmentation, screen each operation and all adopt blowing device to carry out selection by winnowing to the granule powder carrier that enters the finished product operation, make in each operation bran chaff pruinescence subsidiary in the semi-finished product and finished product at any time selection by winnowing fall, thereby the unit weight that guarantees the finished particle powder carrier reaches standard.
The particle powder that enters the finished product operation is sterilized, dried, and sterilising temp is controlled at 100～160 ℃, and sterilization time is 10～30 minutes, and the moisture content of oven dry back granule powder carrier is controlled at≤and 8%.Behind sterilizing, drying, carrier is regulated acid-base value handle, the present invention selects for use liquefied ammonia to make conditioning agent, and it is neutral that the carrier pH value after the processing reaches, i.e. PH=7.
Embodiment:
The corncob raw material is the corncob of threshing, and through the grizzly cleaning, removal organic and inorganic impurity wherein is after after the air dry, make the moisture content of raw material corncob reduce to 12～18%.Corncob is processed into the mixture of diameter in 5～10mm granularity, then corncob bran chaff skin is separated with the wooden body of centre with the sponge inner core, isolated bran chaff and cavernous body are made by-product; Again wooden body crush-cutting is shaped to the sheet of particles that thickness is 1.5～3.0mm, and removes the bran chaff burr of wooden surface, enter finishing step afterwards.The semi-finished product sheet of particles is carried out fragmentation, screening, what reach designated size enters the finished product operation, the bulky grain sheet that does not reach the finished product granularity is by crush-cutting shaping once more, fragmentation and screening, until reaching designated size, crush-cutting shaping, fragmentation once more, screen this process and repeat to prepare granularity twice and reach 30～70 purpose standard particle powder carriers, the powder particle size under the back sieve of sieving be 70～300 orders as by-product, be mainly used to do feed pre-mixing agent and additive, also can make the raw material of hot-face insulation brick.In crush-cutting shaping, fragmentation, screen each operation and the granule powder carrier that enters the finished product operation all entered and carry out selection by winnowing in the blowing device.The particle powder that enters the finished product operation is sterilized, dried, and sterilising temp is controlled at 100～160 ℃, and sterilization time is 10～30 minutes, and the moisture content of oven dry back granule powder carrier is controlled at≤and 8%.Behind sterilizing, drying, carrier to be regulated acid-base value processing the present invention select for use liquefied ammonia to make conditioning agent, it is neutral that the carrier pH value after the processing reaches, i.e. PH=7.
Claims (8)
1, the preparation method of corncob granule powder carrier is that the corncob with threshing serves as to make the deep processing that raw material was carried out, and it is characterized in that:
A) the outer and sponge inner core of the bran chaff of removal corncob separates the wooden body in itself and centre;
B) wooden body crush-cutting is become sheet of particles, and remove the bran chaff thorn of wooden surface, enter finishing step afterwards;
C) sheet of particles is carried out fragmentation, screening, what reach designated size enters the finished product operation, and the non-standard fine powder that sieves is made by-product;
D) will not reach the crush-cutting shaping once more of bulky grain sheet, fragmentation, the screening of finished product granularity, up to reaching designated size;
E) will enter the particle powder sterilization, oven dry of finished product operation and make granule powder carrier.
2,, it is characterized in that crush-cutting shaping, fragmentation once more, screen this process and can repeat 1～3 time according to the preparation method of the described granule powder carrier of claim 1.
3,, it is characterized in that in crush-cutting shaping, fragmentation, screen each operation and the granule powder carrier that enters the finished product operation all blown and carry out selection by winnowing according to the preparation method of claim 1 or 2 described granule powder carriers.
4, according to the preparation method of the described granule powder carrier of claim 1, it is characterized in that sterilising temp and time are controlled to be 100 ℃～160 ℃ in the sterilizing, drying operation, 10～30 minutes, the moisture content of oven dry back granule powder carrier is controlled at≤and 8%.
5, according to the preparation method of the described granule powder carrier of claim 1, the granularity that it is characterized in that the standard particle powder carrier for preparing according to the method described above can reach 30～70 orders, the granularity of fine powder is 70～300 orders, and the thickness of sheet of particles reaches 1.5～3.0mm after the crush-cutting shaping.
6,, it is characterized in that the corncob raw material is carried out drying to be handled, and makes the moisture content of raw material corncob reduce to 12～18% according to the preparation method of the described granule powder carrier of claim 1.
7, according to the preparation method of the described granule powder carrier of claim 1, it is characterized in that at wooden body and bran chaff outerly with before the sponge core separates, corncob is processed into the mixture of diameter in 5～10mm granularity.
8, according to the preparation method of the described granule powder carrier of claim 1, it is characterized in that carrier being regulated acid-base value handling in sterilization, oven dry back, make carrier be neutral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021097658A CN1227985C (en) | 2002-05-20 | 2002-05-20 | Method for prepn. of corncob granule powder carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021097658A CN1227985C (en) | 2002-05-20 | 2002-05-20 | Method for prepn. of corncob granule powder carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1459237A CN1459237A (en) | 2003-12-03 |
| CN1227985C true CN1227985C (en) | 2005-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021097658A Expired - Fee Related CN1227985C (en) | 2002-05-20 | 2002-05-20 | Method for prepn. of corncob granule powder carrier |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922970A (en) * | 2017-03-10 | 2017-07-07 | 大连理工大学 | Specificity with corncob as carrier is shelled shell egg antibody preparation and preparation method thereof |
| CN106962610A (en) * | 2017-04-10 | 2017-07-21 | 内蒙古德盛农业科技发展有限公司 | The preparation method of corncob granule powder |
| CN109675046B (en) * | 2018-12-27 | 2022-06-03 | 青岛海科生物技术有限公司 | Production method and production system of corncob glycosyl medical carrier |
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2002
- 2002-05-20 CN CNB021097658A patent/CN1227985C/en not_active Expired - Fee Related
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