CN106858072A - A kind of spray drying production technology of crab micro-encapsulated diet - Google Patents
A kind of spray drying production technology of crab micro-encapsulated diet Download PDFInfo
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- CN106858072A CN106858072A CN201510920749.2A CN201510920749A CN106858072A CN 106858072 A CN106858072 A CN 106858072A CN 201510920749 A CN201510920749 A CN 201510920749A CN 106858072 A CN106858072 A CN 106858072A
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Abstract
The invention discloses a kind of spray drying production technology of crab micro-encapsulated diet, its operating procedure is as follows：1. crush：Raw material and additive are crushed with micronizer respectively；2. solution is allocated：Wall material is soaked, is heated, and add emulsifying agent and stabilizer, dissolve it, raw material is added after cooling；3. homogeneous：In order to improve microencapsulated oil powder and yield, at the same in avoiding homogenizing process suck large quantity of air so that in material enhanced oxygen accelerate core oxidation, consider selection homogenization cycles；4. it is spray-dried：EAT and leaving air temp, charging rate, input concentration can all influence the collection of product, extremely important；5. product generation：Feed product is collected, packaging of being sieved after cooling gets product.The method that the spray drying process of the invention produces crab micro-encapsulated diet, compared with traditional bait, micro-encapsulated diet has low cost, high income, operates flexibly, with good product quality a little, is adapted to industrialized production, there is good application prospect.
Description
Technical field
The present invention relates to a kind of production technology of aquaculture feed, particularly a kind of crab micro-encapsulated diet
Spray drying production technology.
Background technology
Micro-capsule is the spherical vesicles with certain permeability, and outer layer is pellicle, and inside is liquid core.
In recent years, microcapsule technology was widely used in microorganism, animal and plant cells, enzyme and other various biologies
The immobilization aspect of active material and chemicals.Conventional micro-capsule is alginic acid/polylysine micro-capsule.
Because technology of preparing is more complicated, the saccilar process time is more long, has one to the bioactivity of the material that is embedded
Fixed influence, and polylysine price costly, thus limit the use of this micro-capsule.Prepare
The stock of micro-capsule generally has the polyelectrolyte such as protein, lipid and sugar.Shitosan is that part is sloughed
The chitin of acetyl degree, the latter has excellent toughness and inertia, and hydrophilic, nontoxic, porous, uniform,
Chitin content in nature is also very abundant simultaneously.Given this, this experiment is this from chitin
The particularity of natural polymer functional group, and set out the advantages of nontoxic, hydrophily, it is deacetylated with concentrated base
Shitosan is obtained, globular chitosan is then reached in aforementioned manners, and embedded yeast with appropriate method
In globular chitosan, the microcapsules of better performances are prepared, and inquired into shitosan balling-up condition, embedding
The optimum condition of yeast, and shitosan is used as the feasibility of immobilization material carrier.Spray drying is to be
Systemization technology is applied to a kind of method of dry materials.In hothouse by solvent or diluent through atomization after, with heat
In the contact of air, moisture rapid vaporization obtains dry products.The method can directly make solution, milkiness
Liquid dries powdering or particulate preparation, can save the operations such as devaporation, crushing.
It is mainly used as the open-mouthed bait of crab seed due to micro-encapsulated diet, the eating habit in seed stage,
Digestive physiology and nutritional need are markedly different from adulthood, and compared with conventional feed, crab microcapsules are raised
Material has many obvious advantages.
The content of the invention
It is an object of the invention to provide a kind of spray drying production technology of crab micro-encapsulated diet, with tradition
Bait is compared, and micro-encapsulated diet has low cost, high income, operates flexibly, with good product matter
Amount a little, is adapted to industrialized production, there is good application prospect, to achieve the above object, the present invention
The technical scheme of use is：
A kind of spray drying production technology of crab micro-encapsulated diet, it is characterised in that its operating procedure is such as
Under：
(1) crush：Raw material and additive are crushed with micronizer respectively；
(2) solution is allocated：Wall material is soaked, is heated, and add emulsifying agent and stabilizer, make its molten
Solution, adds raw material after cooling；
(3) homogeneous：In order to improve microencapsulated oil powder and yield, while being sucked in avoiding homogenizing process
Large quantity of air causes the oxidation of enhanced oxygen acceleration core in material, considers selection homogenization cycles；
(4) it is spray-dried：EAT and leaving air temp, charging rate, input concentration can all influence
The collection of product, it is extremely important；
(5) product generation：Feed product is collected, packaging of being sieved after cooling gets product.
Further, step (1) is respectively crushed raw material and additive with micronizer, granularity
≤5μm。
Further, step (2) is by the wall materials such as gelatin, sodium alginate, carragheen at normal temperatures cold water
Immersion 20-30min, in heating water bath at 65-80 DEG C, and adds emulsifying agent and stabilizer, dissolves it,
Raw material is added after cooling.
Further, step (3) homogeneous is conducive to being sufficiently mixed core and wall material, and homogenization cycles are to micro-
The yield and efficiency of capsule have considerable influence, and it is 5-6 times to consider selection homogenization cycles.
Further, step (4) air intake and go out respectively 180-200 DEG C of point temperature and 75-95 DEG C, compress
Atmospheric pressure is 2MPa or so, and shower nozzle atomizer rotating speed is 15000-20000r/min or so；Charging speed
Degree is defined as constant current flow rate pump in 900r/min；Input concentration is 50%, can be generated more uniform micro-
Encapsulated particles.
Further, step (5) is sieved by cyclone collection feed product, after cooling and packed,
Get product.
The method have the advantages that：
1. method of the present invention general equilibrium ground provides the required nutrient of each stage seed growth, can
Part replaces some fresh foods, has broken away from the quilt that aquatic animal fry produces the natural bait that places one's entire reliance upon
Dynamic situation, at the same can also avoid because using natural biological bait to the negative effect caused by water body；
2. the method for the present invention is remarkably improved the immune of body by adding trophism Immune-enhancing effect material
Power, anti-adversity ability and survival rate etc.；
3. the method for the present invention has good physical property, including water stability, suspension, expansion
The ability of dissipating and suitable particle diameter；
4. the method for the present invention has good attractant and palatability, makes the attractant of micro-encapsulated diet
By force, digest and absorb that rate is high, feed coefficient is low, can greatly improve ingest success rate and the growth of seed
Rate；
5. the method for the present invention is compared with traditional bait, micro-encapsulated diet have low cost, high income,
Operation flexibly, with good product quality a little, is adapted to industrialized production, has well using preceding
Scape.
Specific embodiment
With reference to specific embodiment, the invention will be further described
Embodiment 1
A kind of spray drying production technology of crab micro-encapsulated diet, comprises the following steps：
(1) raw material and additive are crushed with micronizer respectively, granularity≤5 μm.
(2) 20min will be soaked in the wall materials such as gelatin, sodium alginate, carragheen at normal temperatures cold water, in
Heating water bath at 60 DEG C, and emulsifying agent and stabilizer are added, it is dissolved, raw material is added after cooling.
(3) homogeneous is conducive to being sufficiently mixed core and wall material, homogenization cycles to the yield of microcapsules and
Efficiency has considerable influence, and it is 5 times to consider selection homogenization cycles.
(4) air intake is respectively 170 DEG C and 70 DEG C with a point temperature is gone out, and compressed air pressure is 1MPa or so,
Shower nozzle atomizer rotating speed is 15000r/min or so；Charging rate is defined as constant current flow rate pump and exists
60r/min；Input concentration is 30%, can generate more uniform microcapsule particle.
(5) by cyclone collection feed product, packaging of being sieved after cooling gets product.
Embodiment 2
A kind of spray drying production technology of crab micro-encapsulated diet, comprises the following steps：
(1) raw material and additive are crushed with micronizer respectively, granularity≤5 μm.
(2) 30min will be soaked in the wall materials such as gelatin, sodium alginate, carragheen at normal temperatures cold water, in
Heating water bath at 70 DEG C, and emulsifying agent and stabilizer are added, it is dissolved, raw material is added after cooling.
(3) homogeneous is conducive to being sufficiently mixed core and wall material, homogenization cycles to the yield of microcapsules and
Efficiency has considerable influence, and it is 5 times to consider selection homogenization cycles.
(4) air intake is respectively 190 DEG C and 90 DEG C with a point temperature is gone out, and compressed air pressure is 2MPa or so,
Shower nozzle atomizer rotating speed is 20000r/min or so；Charging rate is defined as constant current flow rate pump and exists
80r/min；Input concentration is 40%, can generate more uniform microcapsule particle.
(5) by cyclone collection feed product, packaging of being sieved after cooling gets product.
Embodiment 3
A kind of spray drying production technology of crab micro-encapsulated diet, comprises the following steps：
(1) raw material and additive are crushed with micronizer respectively, granularity≤5 μm.
(2) 25min will be soaked in the wall materials such as gelatin, sodium alginate, carragheen at normal temperatures cold water, in
Heating water bath at 60 DEG C, and emulsifying agent and stabilizer are added, it is dissolved, raw material is added after cooling.
(3) homogeneous is conducive to being sufficiently mixed core and wall material, homogenization cycles to the yield of microcapsules and
Efficiency has considerable influence, and it is 6 times to consider selection homogenization cycles.
(4) air intake is respectively 180 DEG C and 80 DEG C with a point temperature is gone out, and compressed air pressure is 1MPa or so,
Shower nozzle atomizer rotating speed is 18000r/min or so；Charging rate is defined as constant current flow rate pump and exists
70r/min；Input concentration is 35%, can generate more uniform microcapsule particle.
(5) by cyclone collection feed product, packaging of being sieved after cooling gets product.
The above, is only presently preferred embodiments of the present invention, and not technical scheme is made
Any formal limitation.Every any letter made to above example according to technical spirit of the invention
Single modification, equivalent variations and modification, still fall within the range of technical scheme.
Claims (6)
1. a kind of spray drying production technology of crab micro-encapsulated diet, it is characterised in that its operation step
It is rapid as follows：
(1) crush：Raw material and additive are crushed with micronizer respectively；
(2) solution is allocated：Wall material is soaked, is heated, and add emulsifying agent and stabilizer, make its molten
Solution, adds raw material after cooling；
(3) homogeneous：In order to improve microencapsulated oil powder and yield, while being sucked in avoiding homogenizing process
Large quantity of air causes the oxidation of enhanced oxygen acceleration core in material, considers selection homogenization cycles；
(4) it is spray-dried：EAT and leaving air temp, charging rate, input concentration can all influence
The collection of product, it is extremely important；
(5) product generation：Feed product is collected, packaging of being sieved after cooling gets product.
2. the spray drying production technology of a kind of crab micro-encapsulated diet according to claim 1,
Characterized in that, step (1) is respectively crushed raw material and additive with micronizer, granularity
≤5μm。
3. the spray drying production technology of a kind of crab micro-encapsulated diet according to claim 1,
Characterized in that, step (2) is by the wall materials such as gelatin, sodium alginate, carragheen at normal temperatures cold water
Immersion 20-30min, in heating water bath at 65-80 DEG C, and adds emulsifying agent and stabilizer, dissolves it,
Raw material is added after cooling.
4. the spray drying production technology of a kind of crab micro-encapsulated diet according to claim 1,
Characterized in that, step (3) homogeneous is conducive to being sufficiently mixed core and wall material, homogenization cycles are to micro-
The yield and efficiency of capsule have considerable influence, and it is 5-6 times to consider selection homogenization cycles.
5. the spray drying production technology of a kind of crab micro-encapsulated diet according to claim 1,
Characterized in that, step (4) air intake and going out respectively 180-200 DEG C of point temperature and 75-95 DEG C, compress
Atmospheric pressure is 2MPa or so, and shower nozzle atomizer rotating speed is 15000-20000r/min or so；Charging speed
Degree is defined as constant current flow rate pump in 900r/min；Input concentration is 50%, can be generated more uniform micro-
Encapsulated particles.
6. the spray drying production technology of a kind of crab micro-encapsulated diet according to claim 1,
Characterized in that, step (5) is by cyclone collection feed product, packaging of being sieved after cooling,
Get product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107568432A (en) * | 2017-10-26 | 2018-01-12 | 南宁学院 | A kind of red tilapia larvae forage and preparation method thereof |
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2015
- 2015-12-11 CN CN201510920749.2A patent/CN106858072A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107568432A (en) * | 2017-10-26 | 2018-01-12 | 南宁学院 | A kind of red tilapia larvae forage and preparation method thereof |
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Application publication date: 20170620 |