CN1711886A - Composite granular forage, its manufacture and apparatus - Google Patents
Composite granular forage, its manufacture and apparatus Download PDFInfo
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- CN1711886A CN1711886A CNA2004100500174A CN200410050017A CN1711886A CN 1711886 A CN1711886 A CN 1711886A CN A2004100500174 A CNA2004100500174 A CN A2004100500174A CN 200410050017 A CN200410050017 A CN 200410050017A CN 1711886 A CN1711886 A CN 1711886A
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Abstract
A process for preparing the granular composite feed from the fermented liquid includes such steps as spray granulating, shaping by mechanical stirring and coating. Its apparatus for preparing said feed and the resultant granular composite feed are also disclosed.
Description
Technical field
The present invention relates to the production method of feed addictive, is the production method of the mixed feed particulate material of raw material with the zymotic fluid particularly, realizes the special equipment of this method, and the mixed feed particulate material that is obtained by this method.
Background technology
Feed addictive is meant the various micro constitutents that add in the mixed feed, comprises synthesizing amino acid, vitamin preparation, trace element, antibiotic, enzyme preparation, hormone, antioxidant, anthelmintic drug, mould inhibitor and colouring agent etc.This class feed addictive is to grow up with the raising of animal husbandry intensification degree and the development of compound-feed industries.Wherein, guarantee that amino acid whose comprehensive supply is of paramount importance for the growth of animal, but,, therefore in all kinds of feed strippeds, often need to add the feed addictive that contains this amino acid owing to generally lack essential methionine of growth of animal and lysine in the plant feed.Wherein, lysine is the amino acid that can not synthesize voluntarily in a kind of human body and the animal body, in the metabolism of living organism, play an important role, but in most of grain troughs, lysine is first limiting amino acid, its content is very low, therefore lysine is the main additive of perfect compound feed, lysine can improve amino acid whose balance in the feed, improve efficiency of feed utilization, have the effect that promotes growth of animal and improve meat, its actual type of service mainly contains as L-lysine, contains the L lysine HCL of 78%L-lysine etc.Because L-lysine produces during the fermentation, and the lysine that makes an addition at present in the animal feed mostly is L lysine HCL, it just can obtain after must extracting from thick zymotic fluid, making with extra care, therefore, there are two big shortcomings in this way: one L lysine HCL abstraction process produces a large amount of waste water, it two is to contain a large amount of valuable nutriments in the fermentation byproduct usually, and it is thrown away and will cause the unnecessary wasting of resources as discarded object in L-lysine is purified.
For example, lysine fermentation liquor can be concentrated earlier, again concentrate be removed water in the thick zymotic fluid by simple spray drying process, can obtain to contain the powdered substance of a certain amount of lysine.But the very easily moisture absorption owing to exist from the residual sugar in the zymotic fluid etc. in this powdered substance, free mobility is poor, will lump after the short term stored, can't be used as the raw material of animal feed.
Then can partly overcome the problem that above-mentioned powdered substance exists if can obtain the good pelletized product of free mobility height, storage characteristics and processability.To this, can consider to use can be from the various spray-fluidized bed dryers of commerce acquisition, these spray-fluidized bed dryers can once be realized a plurality of operating process such as the coating, aggegation, evaporation, drying, crystallization, granulation of liquid material, and provide in small, broken bits, porous and can free-pouring spray-dried granules product, but these products exist hygroscopicity higher, and bulk density is very low, will produce a large amount of problems such as powder in subsequent processes.
On this basis; Germany Degussa provides a kind of in Chinese patent 97113051.5 (Granted publication on July 3rd, 2002) be the production method of the animal feed additive of raw material with the zymotic fluid; disclose in the method and in fluid bed, realized the zymotic fluid one-step palletizing; compression and dry; and; the very important point improvement is to introduce enough energy by mechanical means (particle is carried out surface treatment and compression) in fluid bed in this method; cause the increase of packing density of particle and reducing of average particulate diameter; thereby obtain desirable particle diameter and required bulk density; the particle that obtains is spherical in shape basically; have very high intensity and outstanding flowability, and low moisture content.
But the mixed feed particulate material that makes according to the method described above finds that in actual use still there are the following problems: the one, though have outstanding flowability, particulate material is essentially the sphere of homogeneous, and is mobile too high, causes the skewness when puddling; The 2nd, though above-mentioned particulate material is fine and close, but still do not solve well after storing the long period or the moisture absorption problem that under the higher environment of humidity, is easy to produce.
In order to address the above problem better, inventors of the present invention recognize that the mixed feed particulate material that is directly obtained by zymotic fluid should meet the following conditions simultaneously and could address the above problem fully:
(1) particulate material is made up of a certain size crystalline particle, reduces the ratio of fine particle in product as far as possible, and the bulk density of particulate material should be at 600Kg/m
3More than;
(2) particulate material smooth surface, have good mobility, be easy to puddle, but prevent that again particulate material from being the sphere of homogeneous with other feedstuff, thereby cause the skewness when puddling because of flowability is too high, so require the particulate material shape after the processing to should be irregular relatively;
(3) particulate material should be able to still keep higher moisture resistance in long term storage or under the higher relatively environment of humidity, and avoids caking.
Summary of the invention
Recognize above-mentioned requirement to desirable mixed feed particulate material, it is the production method of the mixed feed particulate material of raw material with the zymotic fluid that the practical exploration of inventors of the present invention by repeatedly gone out a cover effective, by the resulting mixed feed particulate material of this method, and be the production equipment of realizing the mixed feed particulate material of this method, thereby finished the present invention.
Of the present invention be that zymotic fluid makes composite particles shape feed through mist projection granulating, mechanical agitation shaping and three steps of dressing in the production method of mixed feed particulate material of raw material with the zymotic fluid.
In addition, of the present invention be in the production method of mixed feed particulate material of raw material with the zymotic fluid, zymotic fluid makes composite particles shape feed through mist projection granulating, mechanical agitation shaping and three steps of dressing, wherein, by between described mist projection granulating and mechanical agitation shaping process, the particle that obtains through mist projection granulating being carried out the sorting first time and the part particle is carried out the mechanical agitation shaping; By between described mechanical agitation shaping and dressing process, the particle that obtains through the mechanical agitation shaping being carried out the sorting second time and the part particle is carried out dressing.
Production equipment system for realizing that mixed feed particulate material production method designs of the present invention, it comprises mist projection granulating unit, mechanical agitation shaping unit and dressing unit, wherein, the outlet of described mist projection granulating unit links to each other with the inlet of first sorting unit, one outlet of this first sorting unit links to each other with the inlet of described mechanical agitation shaping unit, and another outlet of described first sorting unit links to each other with described mist projection granulating unit inlet by a breaker; The outlet of described mechanical agitation shaping unit links to each other with described dressing unit inlet by second sorting unit, and another outlet of this second sorting unit links to each other with the inlet of described spraying rolling granulation unit; The outlet of described dressing unit links to each other with the 3rd sorting unit, and by the 3rd sorting unit output final products, another outlet of the 3rd sorting unit links to each other with described breaker.
Comprise tunning in the whole or most zymotic fluid and other component by the resulting mixed feed particulate material of method of the present invention, the coating agent dressing is used on its surface, and the content of coating agent is less than 1wt%, and bulk density is at 600～700Kg/m
3, the mixovariation coefficient is less than 10%, and hygroscopicity is less than 40%, and water content is lower than 1wt%, and the size of 98% particle is between 0.3～1.5mm, and the size of 90% particle is between 0.45～1.0mm.
Description of drawings
Fig. 1 is in one embodiment of the present invention, is the process flow diagram of production method of the mixed feed particulate material of raw material with the zymotic fluid.
The specific embodiment
Below, in conjunction with the accompanying drawings the specific embodiment of the present invention is described further, but illustration does not constitute any limitation of the invention.
The present invention shown in Figure 1 is a kind of embodiment of production method of the mixed feed particulate material of raw material with the zymotic fluid, wherein, zymotic fluid earlier through impurity separate, add acid is synthetic etc. effectively handle after, again through evaporation and concentration, the production of hybrid seeds, spraying rolling granulation, drying, sorting, stirring shaping, dressing, operation such as sorting makes the composite particles shape feed as animal feed additive again.After said process enters steady state operation, at first, be transported in the spraying rolling granulating fluidized bed 2 as new seed by the fine particle of the mechanical roller mill generation of in mechanical agitation trimmer 7, carrying out with by the fine particle that the Mechanical Crushing of carrying out in mechanical crusher 5 produces, afterwards, roll in spraying and by the zymotic fluid after the aforementioned processing is sprayed seed constantly to be increased in granulating fluidized bed 2 with spraying rolling granulation function, carry out roll-drying simultaneously, then, particle enters in the vibratory sieve 6, carry out sorting according to particle size, larger particles portion outlet from it enters and carries out Mechanical Crushing in the mechanical crusher 5 and handle, for the rolling granulation prepares new seed and returns spraying and roll in granulating fluidized bed 2, simultaneously, the particle that conforms with the product granularity requirement enters the mechanical agitation trimmer 7 from lower part outlet, and the shaping of rolling is handled.The particle that process rolling shaping is handled is transported in the separator 9 under the effect of air blast 8 and separates, gently promptly return in the spraying rolling granulating fluidized bed 2 as new seed mutually than granule, heavy phase is that larger particles enters the dressing operation of rolling in the dressing fluid bed 11, at last, particle after coated enters vibratory sieve 14, the particle that conforms with the product granularity requirement is from its underpart outlet output, obtain product 15, the bigger particle of failing to export then returns in the mechanical crusher 5, carry out Mechanical Crushing and handle, reenter in the spraying rolling granulating fluidized bed 2 as new seed.
In addition, in said process, zymotic fluid can be not yet in advance through impurity separate, add acid synthetic, concentrate and directly the input spraying roll and carry out aforesaid operations in granulating fluidized bed 2.But it is a kind of more preferably embodiment of the present invention that zymotic fluid is carried out above-mentioned preliminary treatment, and this is because the good crystallinity of the mixed feed particulate material that obtains after these preliminary treatment of process is easy to granulating and forming, and can reduces production costs.In addition, zymotic fluid among the present invention is to contain the zymotic fluid that is useful on as the animal feed additive raw material, preferably containing fermented product is amino acid whose zymotic fluid, and preferred especially fermented product is the zymotic fluid of lysine, threonine or tryptophan, and most preferably fermented product is the zymotic fluid of L-lysine.And, as required, under the condition that does not influence effect of the present invention, can also contain other material in the zymotic fluid, for example medicine such as aureomycin etc.
The above-mentioned impurity that zymotic fluid of the present invention is carried out separates, adds the synthetic and method for concentration of acid or process all can be carried out according to association area known method or process.
Roll in granulating fluidized bed 2 in above-mentioned spraying, after the equal compress aerofoil of fluid bed evenly distributes, pass the material in the bed, material (seed) particle is suspended among the air-flow, form fluidized state through the thermal current that accurately calculates.In this state, solid particle is separated from one another, when liquid is that zymotic fluid is when being sprayed into bed, the drop that sprays into can be from all directions near solid particle, spread at the solid the surface of the seed, because being the material particles of fluidized state mixes in fluid bed uniformly, and fully contact with air-flow, carry out ferocious heat transfer and mass transfer, so the very fast curing of liquid film is also dry, like this, after repeatedly sprinkling, diffusion and curing, particle is grown up gradually, and formation is the basic particle for sphere of the fine and close growth of onion shape.
The above-mentioned particle of finishing granulation is outputed in the vibratory sieve 6 by spraying rolling granulating fluidized bed 2, particle is carried out sorting here, larger particles is delivered to carries out Mechanical Crushing in the mechanical crusher 5 and handle, the shaping of rolling to the mechanical agitation trimmer 7 of all the other particle transport is handled.Wherein, can be according to different situations, as to different zymotic fluids and different product demands and the screening capacity of vibratory sieve 6 is adjusted, to satisfy of the requirement of next process to grain graininess, for example, when zymotic fluid is when mainly containing the zymotic fluid of L-lysine, more preferably situation is by the screening capacity of vibratory sieve 6 is set, make to have only and satisfy particle diameter and just can enter less than the particle of 1.7mm and carry out mechanical shaping in the mechanical agitation trimmer 7, particle diameter then enters greater than the particle of 1.7mm and carries out Mechanical Crushing in the mechanical crusher 5 and handle, and rolls in granulating fluidized bed 2 for the rolling granulation prepares new seed and it is turned back to spraying.Above-mentioned mechanical crusher 5 is hammer mill in the present embodiment, but also can adopt roller-crushing mill, impact grinding etc.Above-mentioned mechanical agitation trimmer 7 mainly comprises reconditioning shock plate or reconditioning impact rod in the present embodiment, during operation, its linear velocity is controlled at suitable scope, and under certain input power, particle is carried out the reconditioning shaping, like this, just the bulk density of the particle after the reconditioning shaping can be controlled at 600kg/m
3More than, particularly be controlled at 600～700Kg/m
3, and the surface quality of particle is improved, and obtain the surface of rule relatively, be convenient to next step Cotton seeds.In the present embodiment, more preferably reconditioning shaping condition is that reconditioning shock plate or the excellent linear velocity of reconditioning impact are set in 5～30m/s adjustablely, and maximal input is 75KW.
The particle of finishing mechanical shaping in above-mentioned mechanical agitation trimmer 7 enters under the effect of air blast 8 in the separator 9, finishes the sorting of the second time to particle in this separator 9.In the present embodiment, adopt the selection by winnowing mode that particle is sieved, can be by setting the selection by winnowing condition, density, the relative smaller particles of particle diameter are returned in the spraying rolling granulating fluidized bed 2, the particle of this part accounts for 60～90wt%, finishes the sorting of particle before dressing but also can adopt other sorting means for example to sieve to wait.
Enter in the dressing fluid bed 11 through the above-mentioned second heavier particle of step after the sorting, with coating agent to the product surface dressing that rolls.Among the present invention, the coating agent that uses is not particularly limited, as long as this coating agent is as the acceptable coating agent of feed addictive, for example, can list as stearic acid, paraffin, cyclodextrin, polysaccharide, hydroxypropyl methylcellulose (HPMC), hydroxypropyl cellulose (HPC), polyethylene glycol (PEG), polyvinylpyrrolidone (PVP), acrylic resin, HPMCP (HPMCP), cellulose acetate phthalate (CAP), shellac, ethyl cellulose (EC) or zein etc.These coating agents can use separately, also can be with two or more group and use.By using coating agent, can make grain products possess moisture barrier properties comprises preferably.Coating agent forms dressing at particle surface is to be made into certain density coating agent solution by using in dressing fluid bed 11, with certain speed of spraying into spray, dry and realize.In the present invention, lower limit to the content of coating agent is not particularly limited, make grain products possess enough moisture barrier properties comprises as long as can realize by dressing, and with different fermentations liquid is the particle that makes of raw material because the composition that is easy to moisture absorption that wherein contains and the difference of content, and the consumption of therefore corresponding required coating agent also can be different.But the consumption of coating agent preferably can be controlled at the content of dried coating agent and account in the 1wt% of finished product gross weight, preferably is controlled at 0.8～1.0wt%.If the ratio that the content of dried coating agent accounts for the finished product gross weight greater than 1wt%, then makes manufacturing cost increase.And, the concentration of coating agent solution is not particularly limited, as long as can forming the concentration of solution or suspension, selected coating agent all is suitable for.
Through sorting for the third time, output conforms with the particle of product granularity requirement, obtains desired product 15 to the particle after above-mentioned Cotton seeds.
Smooth and the out-of-shape of particle surface of the product 15 that obtains by method of the present invention, the flowability of finished product is more suitable in mixing with all feeds raw material, and be difficult for moisture absorption through the coated granules product, product storing and the performance of using in the relative higher area of humidity have been improved, and the wear resistance of product improves greatly, and dust content is almost nil.
Below, by preferred embodiment the present invention is done further more specifically explanation, but the present invention is not limited to the described scope of these embodiment.
In an embodiment the hygroscopicity of the compound lysine finished product of resulting feed grade and the mensuration of mixture homogeneity are carried out in accordance with the following methods.
Hygroscopic mensuration:
1. instrument: drier plane ware insulating box hygrometer thermometer assay balance
2. method: in the ware of plane, add water, put into empty drier, sealing.Drier is put into the insulating box (drier place hygrometer and thermometer) of 25 ℃ of constant temperature, left standstill 8 hours.Make the humidity 90% that reaches capacity in the drier.Take by weighing lysine 1g, 1.5g and 2g more respectively, be put into respectively in three plane wares, the plane ware is put on the dividing plate of drier (drier keeps the saturated humidity state) sealing always.Drier is put in 25 ℃ of saturated humidity insulating boxs again, leave standstill two hours after, every one hour weighing lysine weight, when treating before and after the lysine that twice weight difference is less than 0.02g.This moment, lysine reached maximum sucting wet state, and calculate the lysine hygroscopicity this moment, takes the mean:
a＝〔(b-c)/c〕*100％
A is the lysine hygroscopicity, and b is that lysine reaches maximum hygroscopic weight, and c is the weight of dry lysine.
The mensuration of mixture homogeneity:
1. instrument and equipment: pony mixer, kjeldahl apparatus is analyzed sieve, and assay balance disappears and boils stove, buret (acid), kjeldahl flask, conical flask, volumetric flask disappears and boils pipe.
2. method: 25 kilograms of medical stones (or 15 kilograms of medical stones, 10 kilograms of wheat brans) are poured in 25 kilograms of mixers, added 0.05 kilogram of lysine.Fully stir after 15 minutes and stop.Top in mixer, the sample of 15 points is on average got at middle part, bottom.Sample is decided nitrogen, measure amino acid content, obtain the coefficient of variation of sample, average.
a’＝(s/x)*100％
A ' is the coefficient of variation, and s is a standard deviation, x mean value
As the material to be processed in the present embodiment is L-lysine fermentation liquor concentrate, and the dry matter content of this concentrate is about 50wt%, wherein, accounts for the 66wt% of total dry matter content in the L-lysine content of FE-5, and weight is 100,000kg.The seed that is used for the spraying rolling granulation of present embodiment is the compound lysine finished product of making according to the inventive method of 65% feed grade, and weight is 4000kg.
The drying machine volume that spraying is rolled in granulating fluidized bed is 20 cubic metres, add hot-air at 80～200 ℃ with interior adjustable.Earlier above-mentioned seed is all dropped in the granulating fluidized bed drying machine of spraying rolling, keep bed inner exhaust gas temperature about 90 ℃, so that seed is in fluidized state.Above-mentioned L-lysine fermentation liquor concentrate is sprayed in the fluid bed dryer with vaporific from 60 nozzles, and flow progressively is increased to 4200kg/h from 0.The control exhaust temperature keeps material level and discharging continuously in the bed at 90～100 ℃.Discharging is sieved, enter hammer mill greater than the particle of 1.2mm and pulverize, carry out reconditioning in the mechanical arrangement for grinding smaller or equal to entering of 1.2mm than granule.The linear velocity of reconditioning shock plate is that 5～30m/s is adjustable, and peak power output is 75Kw.Material after the reconditioning gently promptly accounts for 60～90wt% than small-particle mutually through sorting, reenters as new seed together in the granulating fluidized bed drying machine of spraying rolling with the material of pulverizing through hammer mill.Heavy phase is that larger particles enters in the dressing fluid bed.
In the dressing fluid bed, coating agent is a cyclodextrin, and concentration is 10wt%, sprays into the flow velocity of about 300kg/h, sieves after the oven dry again, wherein, accounts for 98wt% smaller or equal to the particle of 1.5mm, is product; Larger particles greater than 1.5mm enters hammer mill, returns in the granulating fluidized bed drying machine of spraying rolling.
The major parameter of resulting granules product is as follows:
L-lysine content: 51～53%
Bulk density: 640g/L
Moisture content :≤1%
Particle size distribution :≤0.45mm～2%
≤1.0mm ～50％
≤1.5mm ～98％
Mixovariation coefficient: 8.6%
Hygroscopicity: 25.3%
Dust: do not have obviously visible dust
Present embodiment is a continuous flow procedure, and product is compound lysine sulfate.Raw material is for being the lysine fermentation liquor of main medium with corn starch sugar, corn steep liquor and sulfate of ammoniac, zymotic fluid acid production rate 12～17g/l, and residual sugar is lower than 1.0g/l.At first the pH value of zymotic fluid is adjusted to 2.5～4.5 with the concentrated sulfuric acid of 98% content, then evaporation and concentration to DS40～50% as the dry raw material of granulating.
Granulating fluidized bed, dressing fluid bed sectional area that this example is used are respectively 9 square metres and 3 square metres, stir trimmer power 75KW.The thermal source that uses is 10bar steam, and the air mass flow and the temperature that enter fluid bed are adjustable, and temperature regulating range is 80～160 ℃, and Flow-rate adjustment is beated according to blast, observation bed and the dust situation is determined by experience.Inlet amount 5m
3/ h; Coating agent is a cyclodextrin, inlet amount 0.3m
3/ h (DS10%).Technical process is above-listed described with patent specification.The about 3000kg/h of the product that obtains, the major parameter of product is with embodiment 1.
The method according to this invention can be raw material with the zymotic fluid, after necessary pre-treatment, prepares composite particles material feed addictive by operations such as the production of hybrid seeds, mist projection granulating, mechanical agitation shaping, dressings.Above-mentioned operation is carried out in the different equipment of function respectively, and the smooth and out-of-shape of the particle surface that obtains, flowability are more suitable for realizing evenly mixing with other feedstuffs, and have more good moisture barrier properties comprises.
Claims (10)
1. the production method of mixed feed particulate material, it is a raw material with the zymotic fluid, makes the composite particles material that comprises the tunning in whole or most of zymotic fluids, it is characterized in that, this method comprises mist projection granulating, mechanical agitation shaping and three processes of dressing successively.
2. method according to claim 1 is characterized in that, described mist projection granulating process is to carry out in the spraying rolling is granulating fluidized bed.
3. method according to claim 1 is characterized in that, described mechanical agitation shaping process is to carry out in the mechanical agitation trimmer.
4. method according to claim 1 is characterized in that, described dressing process is to carry out in the dressing fluid bed.
5. method according to claim 3 is characterized in that, in the described mechanical agitation shaping process, the linear velocity of reconditioning mechanism is 5～30m/s, and maximal input is 75KW.
6. method according to claim 1 is characterized in that, by between described mist projection granulating and mechanical agitation shaping process the particle through mist projection granulating being carried out the sorting first time and the part particle is carried out the mechanical agitation shaping; By between described mechanical agitation shaping and dressing process, the particle through the mechanical agitation shaping being carried out the sorting second time and the part particle is carried out dressing; Carry out sorting for the third time by the particle after dressing is finished and obtain the composite particles material.
7. method according to claim 1 is characterized in that, described zymotic fluid is the zymotic fluid of L-lysine.
8. method according to claim 1 is characterized in that, the weight in the coatings that forms on the particle in the described dressing process accounts for below 1% of particle gross weight.
9. mixed feed particulate material, it is a raw material with the zymotic fluid, comprises the tunning in the whole or most zymotic fluid, it is 600～700Kg/m that coating agent dressing, bulk density are used in its surface
3, the mixovariation coefficient is less than 10%, and hygroscopicity is less than 40%.
10. the equipment of mixed feed particulate material, comprise spraying rolling granulation unit, mechanical agitation shaping unit and dressing unit, wherein, the outlet of described mist projection granulating unit links to each other with the inlet of described mechanical agitation shaping unit by first sorting unit, and another outlet of this first sorting unit links to each other with described spraying rolling granulation unit inlet by a breaker; The outlet of described mechanical agitation shaping unit links to each other with described dressing unit inlet by second sorting unit, and another outlet of this second sorting unit links to each other with the inlet of described spraying rolling granulation unit; The outlet of described dressing unit links to each other with the 3rd sorting unit, links to each other by the 3rd sorting unit and exports final products, and another outlet of the 3rd sorting unit links to each other with the inlet of described breaker.
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| CNB2004100500174A CN100417334C (en) | 2004-06-24 | 2004-06-24 | Composite granular forage, its manufacture and apparatus |
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|---|---|---|---|
| CNB2004100500174A CN100417334C (en) | 2004-06-24 | 2004-06-24 | Composite granular forage, its manufacture and apparatus |
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| CN1711886A true CN1711886A (en) | 2005-12-28 |
| CN100417334C CN100417334C (en) | 2008-09-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105475610A (en) * | 2014-09-19 | 2016-04-13 | 泰衍企业有限公司 | Granular feed production method and product thereof |
| CN106333086A (en) * | 2016-10-31 | 2017-01-18 | 福建深纳生物工程有限公司 | Slow-release microelement premix and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2451748C1 (en) | 2008-03-03 | 2012-05-27 | Глобал Био-Чем Текнолоджи Груп Компани Лимитед | Recombinant dna and method of obtaining l-lysine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8883191A (en) * | 1990-12-17 | 1992-06-18 | Archer-Daniels-Midland Company | Method of making granulated l-lysine |
| AU706285B2 (en) * | 1995-05-16 | 1999-06-10 | Ajinomoto Co., Inc. | Feed additive |
| DE19621930C1 (en) * | 1996-05-31 | 1997-12-11 | Degussa | Process for the preparation of an animal feed additive based on fermentation broth |
-
2004
- 2004-06-24 CN CNB2004100500174A patent/CN100417334C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105475610A (en) * | 2014-09-19 | 2016-04-13 | 泰衍企业有限公司 | Granular feed production method and product thereof |
| CN106333086A (en) * | 2016-10-31 | 2017-01-18 | 福建深纳生物工程有限公司 | Slow-release microelement premix and preparation method thereof |
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| CN100417334C (en) | 2008-09-10 |
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