CN103918876A - Method for producing rumen-passing protected product for ruminants and granules of rumen-passing protected product - Google Patents
Method for producing rumen-passing protected product for ruminants and granules of rumen-passing protected product Download PDFInfo
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- CN103918876A CN103918876A CN201410151716.1A CN201410151716A CN103918876A CN 103918876 A CN103918876 A CN 103918876A CN 201410151716 A CN201410151716 A CN 201410151716A CN 103918876 A CN103918876 A CN 103918876A
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Abstract
The invention discloses a method for producing a rumen-passing protected product for ruminants and granules of the rumen-passing protected product, and relates to a method for producing rumen passing granules, in particular to the technical field of production of rumen passing granules for ruminants by taking a feed solution and a rumen-passing packing material as major raw materials. In the method, the feed solution is subjected to processes of spraying fluidized bed pelletizing, fluidized bed coating and unqualified product handling through a spraying fluidized bed pelletizing machine, a polishing machine, a sieving machine, a quantitative metering device, a fluidized bed coating machine and a sieving machine. The method is characterized in that rumen-passing pills are produced by the spraying fluidized bed pelletizing process, and rumen-passing coatings are produced by the adjustable fluidized bed coating process, so that the a high-content rumen-passing protected product which meets requirements is obtained. The method is particularly suitable for industrial mass production, and has the advantages of good product quality, high yield, low production cost, stability in running and safety.
Description
Technical field
The present invention relates to the production method of cud particulate material, particularly taking material liquid and the production technical field of crossing cud particulate material of mistake cud packaging material as main material production ruminant.
Background technology
Ruminate the special digestion process that refers to the ruminant such as ox, sheep, the digestive physiological characteristics of ruminant is similar substantially, in details, may have a difference, and the stomach of Adult Bovine, sheep is made up of cud, reticulum, pigtail stomach, abomasum.
The digestive function of cud is far away from abomasum.Abomasum claims again abomasum, accounts for 8% of four total stomach volumes, and its effect is identical with the stomach of nonruminant, can secrete digestive juices and digestive ferment.The abomasum of ruminant can digest indigested feed in cud and the rumen microorganism that enters abomasum together with cud chyme.
Reach at utmost even if rumen microbial protein matter is synthetic, because the degradation of cud, make to enter the needs of giving milk that the protein of small intestine and amino acid, nutriment are still difficult to meet modern high yield cow, must increase the true protein and the amino acid whose amount that enter small intestine.This just need to true protein and must amino acid, nutriment takes rumen-protected measure, the while is rumen-protected there is very large technical barrier.
Such as the lysine (crossing cud lysine) adding in dairy cow diet through conservation treatment can make the amino acid balance more in small intestine chyme; thereby improve the utilization rate of dietary protein; save protein feed; reduce milk cow production cost; improve the content of milk protein of milk production of cow and milk; and then improve the economic benefit that milk cow produces, and reduce the discharge of milk cow nitrogen simultaneously, reduce environmental pollution and there is important function.
To each seed amino acid such as methionine, lysine and phase salt series products, all feeds additives such as Choline Chloride, betaine, albumen are processed into rumen bypass product, have different research in the industry, and performance is verified very good.If can adopt from now on the aspect such as utilization and supplementary feeding method of best coated processing method, amino acid composite article to carry out more deep research, and be applied in time ruminant production, will inevitably bring huge economic benefit to animal husbandry.
At present, two kinds of methods of the main chemoproection of rumen-protected processing method and physical protection.
Chemoproection is mainly nutraceutical chelating salt, and such as in the time that amino acid meets Animal needs, metallic element is easily excessive and poisoning.Physical protection method be mainly adopt do not degrade at ruminant tumor gastric, abomasum and the digestible material of small intestine be packaging material to nutriment such as amino acid is coated with processing.Even if be difficult at present realize under laboratory condition, large production also do not seen the report being successfully prepared, and is mainly confined to preparation technology's restriction yet.Wang Jianhua (academic dissertation 2004) and Guo Yuqin (academic dissertation 2006) adopt different capsulating materials to be coated with processing to lysine under laboratory condition; measure the Rumen rate of coated product; result shows; 24 hours Rumen rate minimums that adopt Nylon Bag to measure are 66.7%, do not reach rumen-protected requirement.
Two emphasis of physical protection, taking amino acid such as lysines as typical example, it is water-soluble that the coated difficult point of processing is that lysine has, dressing must be completely, a bit can not expose, otherwise rumen bypass product will failure, so depend primarily on 2 points: the one, core ball is round and smooth, can not have water chestnut to have angle, any irregular contour all cannot, it is large that particle also can not ether because the height point coating thickness of small nut ball thin and very difficult qualified, particle is also easily destroyed in cud too greatly; The 2nd, dressing is wanted evenly, and intensity is suitable, because at inhomogeneous thin place, strength weak place, coating thickness has also been difficult to be cud effect.
Material is protected current common method and shortcoming:
In a kind of ruminant rumen-protected lysine that is 200910237384.8 through application number and production method thereof, disclosed processing step is: at the bottom of auxiliary material mixing, the wet granulation that adds water, full circle ball blast, oven dry, screening, small lot, spray fluidized bed coating, screening obtain finished product.Physical protection except this kind of laboratory method, is not also seen other preparation technologies and is successfully reported at present.
But there is following shortcoming in above-mentioned technique:
1, cannot directly obtain core ball from liquid material one step, cannot produce in enormous quantities, production cost is with high:
A. auxiliary material mixes-adds water wet granulation technology and determined, this technique cannot directly obtain core ball from liquid material one step;
B. owing to first being mixed, then the wet granulation that adds water, and then the restriction of the processing technology of full circle ball blast, every batch of maximum throughput only has 20-30 kilogram, and single cover production line cannot be produced greatly.
C. process complexity, as master operation mixing, granulation, full circle, dressing are little treating capacity equipment, as design 2 tons of output/time just need to approximately 100 cover production lines, capable unstable, dangerous.
D. very, operation is too many for complex process, and product quality is wayward.
E. continous way production is substantially infeasible, and manual operation between operation, interference are too large, artificial pollution path is also many, cannot be made into GMP type production line.
F. powder oven dry repeatedly, the mixing that adds water, granulation, oven dry etc., determined that its producing cost is high.
2, not out, product quality bad (effective content is low), yield are low for high-load, high strength and smooth core ball basic production:
A. be limited by the impact of mixing-wet granulation, add after auxiliary material, finished product content can decline, and now finished product content causes being coated with more material after rising, and the protection effect of crossing cud is influenced.
B. such as carbohydrate nutriment, be subject to viscous effects, must add auxiliary material, otherwise also cannot make core ball.
C. strong absorptive nutriment, such as Choline Chloride, also must add auxiliary material, otherwise also cannot make core ball.
D. such as amidates is except being subject to generally water-soluble, viscous effects, also affected by crystallization property, after wet granulation, full circle, in drying course, there will be crystalline polamer, there is the water caltrop of crystalline solid in surface, so core ball surface is difficult to round and smooth, so it is all more difficult that wet granulation and full circle are produced, and do not add the sterling core ball of auxiliary material and cannot produce at all.
E. the particle of wet granulation, in drying course, very easily occurs that microfissure, granule strength are defective, and in dressing process, easily fragmentation causes dressing finished product defective.
F., when defective work is processed, if return to wet granulation technology, if yield is not returned in the bad adjustment of content, affect too large.
3, existing coating method cannot be produced greatly, and difficult quality guarantee:
A. fluidized-bed coating machine in the market, single batch processing amount is greater than 300 kilograms also not having, influenced when large production, reason is that a batch hopper adopts artificial cart type, bucket capacity maximum only has 1500 liters, thereby can only process 300 kilograms, the core ball entering is along with the carrying out of dressing process, volume can constantly increase, until when 2 times of left and right, changeless spray gun, top spray form, the spray gun of end spray form, all cause coating quality to be difficult to qualified, find to be greater than 20 kilograms every batch when treating capacity through application study, simultaneously dressing weightening finish reaches 100% when above, coating quality will be defective,
Such as: in normal fluid bed, when fluidisation, bulky grain can be partial to and be concentrated on below, and granule can be partial to and be concentrated on top, the changeless spray gun in position, in the time that fluidisation material level increases, for the fluidisation position increasing, spray gun is easily spraying not; The spray gun of top spray form, in the time that fluidisation controlling level changes greatly, gun slot can change from fluosolids upper level, cause coating quality to change, and granule bag is more; Common fountain fluidisation shape, the spray gun of end spray form, in the time that fluidisation controlling level changes greatly, fountain fluidized state occurs that the reasons such as variation, the increasing of adhesion rate cause off quality.
B. due to above-described reason, uniformity and rounding, the intensity of sterling core ball have problem, directly cause the inhomogeneities of dressing.
In sum, above-mentioned technical method both just can be successfully prepared core ball, because process is too complicated, was also difficult to be applied to industrialized mass.
The inventor discloses a kind of technique possibility that directly obtains core ball from liquid material in 2,012,102,562,273 1 kinds of spray pelleting process, but also cannot obtain perfect qualified core ball, in addition common fluidized bed granulation process is produced particle density not degree of rounding of grains not the uniformity not granule strength not particle surface smoothness not or cannot produce greatly continuously, can not produce the core ball that met cud requirement.
Summary of the invention
The object of the invention is to propose a kind of production method that can overcome prior art defect, can produce high-quality ruminant rumen-protected product.
Technical solution of the present invention is: first material liquid is adopted fluidized bed with spraying to make ball method and produce core ball particle, then adopt fluidized bed coating method at the core ball particle outer wrapping coating agent of resistance to cud.
First the present invention is made ball unit and can directly be obtained meeting from various liquid state raw material one steps such as zymotic fluids the high strength core ball finished product of rumen bypass product requirement by fluidized bed with spraying, then complete cud art for coating in fluidized bed coating unit, must be cud finished product.This production method can be produced the ruminant rumen-protected product particle material of sterling matter that does not add any excipient auxiliary material easily; not only be applicable to the large production of continous way; and product quality is high, yield is high; producing cost is low; stable, safety, also avoided the side effect bringing to animal because adding auxiliary material effectively.
In the time producing core ball particle, can adopt two kinds of different techniques:
One is: in fluidized bed with spraying, in the spray-dired polishing mode that adopts simultaneously, polishing and compression processing are carried out in core ball surface.This technique dry and that polishing combines can directly obtain qualified core ball from liquid material one step, and can obtain adding the sterling matter core ball of auxiliary material, the effect that adopts polishing mode is that the possible spinule of core ball particle surface or high point are removed, and makes core ball meet profile, the particle diameter of cud core ball, the requirement of surface smoothness.As be external polishing, only to particle surface processing; In fluidized bed with spraying, be in increasing, every one deck outer surface is carried out to polishing.
Another kind is: the reunion rate of controlling the particle in fluidized bed with spraying is per hour≤and 2%, adopt and carry out fluidized bed with spraying lower than critical weightening finish than mode and make ball, this scheme can not adopt the situation one of polishing mode, directly obtain qualified core ball, and technique is the simplest.
Critical weightening finish is than implication: reach face weightening finish than time, the reunion rate of particle is per hour is greater than 2%.
Reunion rate implication: in fluidized bed with spraying, often randomly draw 1000 particles through spraying in 1 hour, the granule number together of reuniting accounts for the ratio that extracts number.
In the fluidized bed with spraying of making ball, when weightening finish than lower than a critical weightening finish than time, can directly obtain without external polishing unit ganoid core ball.
In the time of the core ball particle outer wrapping coating agent of resistance to cud, the height that connects the atomization region of the spray gun of the coating agent of resistance to cud improves along with the increase of fluidisation material level.This technique can adapt to coating production in enormous quantities, ensures qualified product, and more crucial be every batch can reach 20 tons for the treatment of capacities, has broken through the current restriction of 20 kilograms every batch.
The specific implementation that the height in atomization region improves along with the increase of fluidisation material level has following two kinds at least:
The one,, at least two group spray guns of differing heights are set in fluidized bed with spraying, by control the spray gun of opening successively differing heights from bottom to top.
The 2nd,, the swingable spray gun of angle is set in fluidized bed with spraying, by control, angle of gun is swung from bottom to top.
Two kinds of modes all can make the range of atomization being formed by spray gun be submerged in the fluidisation bed of material, to adapt to coating production in enormous quantities, ensure qualified product.
The product feature that adopts above method to make is: described particulate material is made up of active ingredient graininess core ball and the dressing of resistance to cud being wrapped in outside core ball, the diameter that it is characterized in that described particulate material is 0.6～3.6mm, the diameter of described graininess core ball is 0.3～1.8mm, described particulate material to be shaped as class spherical or spherical.
Core ball of the present invention can be for not adding the sterling matter core ball of excipient auxiliary material, shell is the dressing composition of resistance to cud, in the cud finished product excessively of fat type, effective nutrition content is normally between 40～60%, in the cud finished product excessively of cellulose or resinous type, effective nutrition content is normally between 80～90%, because do not add auxiliary material, the technical scheme that effective component content is 200910237384.8 than application number exceeds approximately 20%.
Brief description of the drawings
Fig. 1 is a kind of process flow diagram of the present invention.
Fig. 2 is a kind of structural representation of fluidized-bed coating machine.
Fig. 3 is the structural representation of another kind of fluidized-bed coating machine.
Fig. 4 is the rumen-protected product photo that adopts the present invention to make.
In figure, 1 makes ball machine for fluid bed, and 2 is polishing unit, and 3 is screening machine, 4 is quantitative measuring device, and 5 is adjustable fluidized-bed coating machine, and 6 is finished product screen extension set, 7 for making ball machine cyclone separator, and 8 is secondary ash collector, and 9 is crystal seed machine, 10 is seed-coating machine cyclone separator, 11 is packing machine, and 12 is that echo plex mode one, 13 is echo plex mode two, 14 is core ball conveying device, and 15 was cud semi-finished product conveying devices.
The 21 technique air inlets that are coating device in Fig. 2,3,22 is inlet air plenum, and 23 is a point wind web plate, and 24 is housing, 25 is separation chamber, and 26 is exhaust outlet, and 27 is first row spray gun, 28 is second row spray gun, and 29 is the 3rd row's spray gun, and 30 is that angle adjustable spray gun, 31 is fluidising chamber.
Detailed description of the invention
A kind of taking FE-5 concentrate sterling as raw material to produce below, it is that example further illustrates the present invention that rumen-undegraded fat grain weight amount accounts for 50% rumen-protected product, but illustration does not form any limitation of the invention.
One, equipment is prepared: the present invention connects production equipment has continuous spraying, fluidizing bed to make ball machine 1, polishing unit 2, screening machine 3, quantitative measuring device 4, fluidized-bed coating machine 5, screening machine 6 etc., as shown in Figure 1.
Wherein fluidized-bed coating machine 5 is adjustable fluidized-bed coating machine, the range of atomization height of its spray gun improves along with the increase of fluidisation material level, can adapt to coating production in enormous quantities, ensure qualified product, more crucial be every batch can reach 20 tons for the treatment of capacities, has broken through the current restriction of 20 kilograms every batch.
As shown in Figure 2, scheme one is: in fluidized-bed coating machine 5, be provided with the opening sequence of the first row spray gun 27, second row spray gun 28 and the 3rd row's spray gun 29, the three row's spray guns that highly do not wait along with the increase of fluidisation material level, from 27 to 29 orders are opened.
As shown in Figure 3, scheme two is: the uniform row's spray gun 30 of the interior sustained height of fluidized-bed coating machine 5, can adopt angle controller, and make spray gun 30 along with the increase of fluidisation grain position swings from bottom to top, to ensure the dressing uniformity of cud particle.
Two, raw material is prepared:
FE-5 concentrate through membrane filtration, ion-exchange, acid adjustment, the processing such as concentrated, must be produced core ball particle material liquid first successively.
The fine grinding of rumen-undegraded fat powder, obtains the coating agent of resistance to cud.The present invention to the coating agent of resistance to cud without any restriction, as long as met the requirement of cud, such as all rumen-undegraded fat T300 on sale, ethyl cellulose, various resinaes etc. on market, in the present embodiment, proper and economical with rumen-undegraded fat.
Three, production technology:
1, produce lysine hydrochloric acid salt core ball: make and in ball machine 1, material liquid is carried out to fluidized bed with spraying coating with the dry flow of 2 tons/h and make ball at fluid bed, seed is grown up to be coated with form, preferably increase weight than the implication that is not more than 20%(weightening finish ratio: in fluidized bed with spraying, material gross weight is 10kg, the 1kg dry that sprays into per hour, dry composition is grown up on crystal seed material, now weightening finish is than being 10%), then be dried with cooling, then the treating capacity in core ball conveyance conduit 14 enters 2(polishing unit, polishing unit 2 is 2000～2400kg/h), core ball after polishing enters screening machine 3 again and screens, the particle of qualified size scope enters the quantitative measuring device 4 that Liang Tai is used alternatingly, suitable core ball particle size range is 0.5～0.7mm.
The small particle of the bulky grain sieving out through screening machine 3 after crystal seed machine 9 is processed and under sieve carries out defective work treatment process by echo plex mode 1, and the dust material that primary dust removing device 7 and secondary ash collector 8 are collected can enter defective work treatment process 12.
In addition, in said process, concentrate also can directly be inputted without membrane filtration, ion-exchange, acid adjustment, the technique such as concentrated fluid bed and make ball machine 1 and operate, but it is preferred mode that zymotic fluid is carried out to above-mentioned processing, because after pretreatment, effective content is the highest, good crystallinity, be easy to be pelletized into shape, can be coated with and cross cud materials more, and can reduce production costs.In addition, zymotic fluid in the present invention is amino acid whose zymotic fluid preferably, such as methionine, lysine, threonine, tryptophan etc., can also add some auxiliary materials, such as microcrystalline cellulose, starch, dextrin, medicine etc., other material liquids are also such as there being the high nutrients such as Choline Chloride, albumen, polysaccharide, peptide class, alkaloids.All can carry out according to existing known method or process membrane filtration of the present invention, ion-exchange, acid adjustment, the effectively processing procedure such as concentrated.
The flow process that fluid bed is made ball machine 1 is not limited to above-mentioned embodiment.Be preferred embodiment, make ball machine cyclone separator 7 for primary dust removing, collect material and adopt crystal seed echo plex mode 1, secondary ash collector 8 adopts sack cleaner, collect material mode adopt echo plex mode 1 or echo plex mode 2 13 all passable, the coating that fluid bed is made ball machine 1 is made ball, dryly, cooling can be merged into a bed and also can implement separately, and another embodiment is polishing unit 2 to be incorporated into fluid bed make in ball machine 1, forms integral type core ball production unit.
The above-mentioned particle of making ball that completes outputs in polishing unit 2, the preferred scheme in polishing unit 2 is only to process particle surface, do not destroy particle entirety, can adopt the effect of wind-force or the effect of mechanical forces, possible particle surface spinule or high point are removed, make core ball meet profile, the particle diameter of cud core ball, the requirement of surface smoothness, another polishing embodiment is that particle surface is sprayed to low dry matter content feed liquid or pure water, by particle surface layer recrystallization, calendering, play the effect that mould on soft state surface, thereby play more smooth effect.
Make ball machine 1 and polishing unit 2 forms behind core ball unit by continuous spraying, fluidizing bed, the technique of producing core ball has been avoided the defect of the conventional wet processing in laboratory, and the particle diameter of core ball can accurate adjustment, between 0.3～1.8mm arbitrarily adjust, and can realize screening aperture magnitude difference be not more than 1.5.
Make in ball machine 1 at fluid bed, through the thermal current of accurate Calculation after fluidized bed air distribution plate distributes, enter fluid bed, make an interior material seed particles fluidisation, above-mentioned concentrate atomization is entered in fluid bed, mainly grow up with coating way on seed particles surface, and be coated with point and have enough calendering force effects, each painting point is enough little, like this after multi-layer coated, particle is slowly grown up, form the spheric granules that fine and close intensity is enough, and it is fast that this fluid bed preferably possesses granule growth, the intellectuality effect that bulky grain is grown slow, between particle, adhesion rate is few, after adhesion, can separate, to form uniform particle, preferably this fluid bed is made ball machine 1 and is also had function and be: serialization is produced, treating capacity is large, there is internal heater heat supply, operating cost is low, 2012102562273 1 kinds of spray pelleting process are exactly a kind of well implementation basis, on this basis, add internal heater configuration, mechanical energy effect, can obtain better semi-finished product core ball.
Make in ball machine 1 at fluid bed, when weightening finish than lower than a critical weightening finish than time, can directly obtain without external polishing unit 2 qualified core ball product.
Critical weightening finish is than implication: reach face weightening finish than time, the reunion rate of particle is per hour is greater than 2%; Reunion rate implication: in fluidized bed with spraying, often randomly draw 1000 particles through spraying in 1 hour, the granule number together of reuniting accounts for the ratio that extracts number.
Adopt technique of the present invention, the diameter of the graininess core ball of making is 0.3～1.8mm.
2, produce rumen-protected product: will be added in adjustable fluidized-bed coating machine 5 by the quantitative lysine hydrochloric acid salt core ball of quantitative measuring device 4, by the spray gun of rumen-undegraded fat fen-ting amount access seed-coating machine 5 in batches.
As shown in Figure 2, seed-coating machine technique air intake 21 is entered by inlet air plenum 22, after undue wind web plate 23 distributes, enter in the housing 24 of adjustable fluidized-bed coating machine 5, make the interior material particles fluidisation of seed-coating machine 5, flood first row spray gun 27, above-mentioned packaging material liquid is entered bed from 27 atomizations of first row spray gun, mainly grow up with coating way at particle surface, after multi-layer coated, particle is slowly grown up like this, when fluidisation material level grows to while flooding second row spray gun 28, open second row spray gun 28, open successively the 3rd row's spray gun 29, until obtain forming cud particle.
As shown in Figure 3, seed-coating machine technique air intake 21 is entered by inlet air plenum 22, after undue wind web plate 23 distributes, enter in the housing 24 of adjustable fluidized-bed coating machine 5, make the interior material particles of seed-coating machine 5 in the interior fluidisation of fluidising chamber 31, adopt angle controller, make spray gun 30 along with the increase of fluidisation grain position swings from bottom to top, keep range of atomization to be submerged in the fluidisation bed of material, to ensure the dressing uniformity of cud particle simultaneously.
The treating capacity of dressing operation of the present invention is that 10000～12000kg/ criticizes, every batch 2.5 hours.
Coated semi-finished product particle enters screening machine 6 by crossing cud semi-finished product conveyance conduit 15, and treating capacity is 4000～5000kg/h, and qualified particle enters packing machine 11 and carries out packaging, and the treating capacity of packing machine 11 is 4000kg/h.The defective particle being sieved out by screening machine 6 enters defective work treatment process by echo plex mode 2 13.
In above technique, adjustable fluidized-bed coating machine 5 is adjustable fluidized-bed coating machine, the range of atomization height that it is characterized in that spray gun is raised along with the increase of fluidisation material level, this technique can adapt to coating production in enormous quantities, ensure qualified product, more crucial be every batch can reach 20 tons for the treatment of capacities, has broken through the current restriction of 20 kilograms every batch.
The feed liquid pipeline of spray gun adopts thermal-insulating scheme, and the temperature after insulation, higher than the melting point of crossing cud grease material, ensures that pipeline is noncondensing.
As shown in Figure 4, the diameter of product is 0.6～3.6mm to the rumen-protected product of high-load that employing the present invention makes, and is shaped as class spherical or spherical.
Four, summary of benefits of the present invention:
1, can directly directly obtain the core ball of sterling from liquid material one step, can produce greatly continuously, producing cost is low:
A. adopt fluidized bed with spraying to carry out production and the consecutive production of core ball semi-finished product, finished product, production technology is simple, has established production basis greatly, according to design, can reach the above level of production continuously of 6 tons/h, compare 20-30kg/ and criticize, producing cost is low much doubly.
B. because be consecutive production, operation is simple, and product quality is easily controlled, and Human disturbance reduces, artificial pollution approach reduces, and can be processed into GMP production line.
C. producing cost is low, and this process does not have wet granulation adding water repeatedly, drying course; And be applicable to large production, the producing cost with scale effect is low.
2, can produce the core ball of high-load, or even not add 100% pure content core ball of auxiliary material, superior product quality, yield is high
A. content is higher, because core ball can add any auxiliary material, in equal packaging material consumption situation, whole content is higher.
B. because core ball can adopt polishing and soft state technology for moulding, core ball can be very complete and smooth, intensity raising, and packaging material is more even, rumen-protected better effects if, superior product quality.
C. the wet method such as high-carbohydrate, strong absorptive is difficult to the material of granulation, adopts the present invention, can produce very easily high-quality core ball.
D. defective treatment process, in production line, can all process, and improves yield (wet granulation defective work is difficult to recycle).
E. adopted the combination of metering device, coat weight is more accurate; Can adopt semi-automatic or automation continuously acting production lines, product quality is subject to Human disturbance little.
3, adopted the adjustable fluid bed art for coating of innovation, can reach 20 tons/batches of large levels of production, quality can ensure.
A. fluid bed adopts the some row's spray guns that highly do not wait, and spray gun opening sequence is the process of opening along with the increase of fluidisation material level, from low to high, has established the level that can reach 20 tons/batches, and comparison documents, has improved more than 1000 times.
B. spray gun also can adopt the adjustable spray gun of angle 24, and along with the increase of fluidisation grain position, angle of gun is from becoming downwards upwards, to ensure the uniformity of dressing.
C. the present invention has ensured the reliability of coating quality, and along with the increase of fluidisation material level, the corresponding work of spraying area height of spray gun improves, and ensures that the interior each particle of fluid bed can reach the object of even dressing as far as possible.
4, production technology is simple, stable, safety; Process is simple and be large treatment facility, fluidized bed with spraying form make ball and art for coating, be easily designed to semi-automation or automatic production line.
Claims (7)
1. a production method for ruminant rumen-protected product, is characterized in that first material liquid being adopted fluidized bed with spraying to make ball method and produces core ball particle, then adopt fluidized bed coating method at the core ball particle outer wrapping coating agent of resistance to cud.
2. production method according to claim 1, is characterized in that in the time producing core ball particle, in fluidized bed with spraying, adopts polishing mode to carry out polishing to core ball surface and compression is processed spray-dired simultaneously.
3. production method according to claim 1, is characterized in that: in the time producing core ball particle, in the time producing core ball particle, the reunion rate of controlling the particle in fluidized bed with spraying is per hour≤and 2%.
4. production method according to claim 1, is characterized in that the height that connects the atomization region of the spray gun of the coating agent of resistance to cud improves along with the increase of fluidisation material level in the time of the core ball particle outer wrapping coating agent of resistance to cud.
5. production method according to claim 4, is characterized in that, in the time of the core ball particle outer wrapping coating agent of resistance to cud, at least two group spray guns of differing heights being set in fluidized bed with spraying, by control the spray gun of opening successively differing heights from bottom to top.
6. production method according to claim 4, is characterized in that, in the time of the core ball particle outer wrapping coating agent of resistance to cud, the swingable spray gun of angle being set in fluidized bed with spraying, by control, angle of gun is swung from bottom to top.
7. the ruminant rumen-protected particulate material that method is made as claimed in claim 1; described particulate material is made up of active ingredient graininess core ball and the dressing of resistance to cud being wrapped in outside core ball; the diameter that it is characterized in that described particulate material is 0.6～3.6mm; the diameter of described graininess core ball is 0.3～1.8mm, described particulate material to be shaped as class spherical or spherical.
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Application publication date: 20140716 |