CN104782986A - Method for preparing special pre-gelatinized starch feed for aquaculture - Google Patents
Method for preparing special pre-gelatinized starch feed for aquaculture Download PDFInfo
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- CN104782986A CN104782986A CN201510207474.8A CN201510207474A CN104782986A CN 104782986 A CN104782986 A CN 104782986A CN 201510207474 A CN201510207474 A CN 201510207474A CN 104782986 A CN104782986 A CN 104782986A
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- starch
- gelatinized
- feed
- gelatinized starch
- aquaculture
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Abstract
The invention discloses a method for preparing a special pre-gelatinized starch feed for aquaculture. Pre-gelatinized starch is prepared through adding chemical additives into native starch, which serves as a raw material, and is prepared through the following specific steps: (1) adding purified de-ionized water into the native starch, and stirring so as to prepare a moist starch mixture; (2) adding the chemical additives into the starch mixture, and stirring for 10 minutes; (3) feeding the mixture to a bulking machine for pre-gelatinization, drying so as to obtain white, transparent and strip-shaped products, and then, crushing, thereby obtaining special pre-gelatinized starch for an aquatic product feed. According to the method, the prepared pre-gelatinized starch is white and transparent, so that the feed utilization of aquatic products can be increased, the efficiency of the feed is increased, and the culture cost is reduced.
Description
Technical field
The present invention relates to a kind of preparation method of feed addictive, particularly relate to the preparation method of the special pre-gelatinized starch feed of a kind of aquaculture.
Background technology
In aquaculture process, in order to reduce the scatter rate of feed in water, improving stability and efficiency, alleviating water pollution, often need to add the feed addictives such as pre-gelatinized starch in feed.China produced pre-gelatinized starch from 80 years 20th century, but owing to producing many-sided reasons such as raw material used, equipment and technology, the Quality and yield of the pre-gelatinized starch of production is all the time all undesirable.Recent years, no matter the production of pre-gelatinized starch was that output or quality are all significantly improved along with the development of special aquaculture industry, and the technical merit especially utilizing cassava to produce pre-gelatinized starch has unprecedented development., all there is the problem that product yellowing transparency is inadequate in the pre-gelatinized starch product made a general survey of these production technologies and produce, the opaque feed that can affect aquatic products of pre-gelatinized starch yellowing, thus affect the efficiency of feed, causes aquaculture cost high.In addition, utilize twin-roll pre-gelatinized machine to produce pre-gelatinized starch, maximum shortcoming is that energy consumption for drying is large, and production cost is high.
Summary of the invention
Technical problem to be solved by this invention is the preparation method of the special pre-gelatinized starch feed of aquaculture providing a kind of quality height white clear.
The technical solution adopted for the present invention to solve the technical problems is: the preparation method of the special pre-gelatinized starch feed of a kind of aquaculture, comprises the steps:
(1) in batch mixing pond, peninsula board ative starch and flourish Star ative starch is added with the ratio of 2:1, stir while add through the deionization waterside of purification process, puddle and form moistening starch compound, the addition of deionized water is 15 ~ 20% of ative starch gross weight;
(2) the millesimal ratio in ative starch gross weight in starch compound adds chemical addition agent, then stirs 10 minutes;
(3) use extrusion expansion technology that starch compound is clamp-oned bulking machine, heating pressurization, is extruded by pore, carries out pre-gelatinized, dry process; Described step (3) is pressurized to (7 ~ 8) X10
5pa, being heated to temperature is 125 ~ 140 DEG C, and the pore diameter in described step (3) is 0.1 ~ 0.8mm.The bulking machine of described step (3) is double helix exrusion bulking machine.
As the improvement of technique scheme, deionization electrical conductivity of water≤10mu used in described step (1).
Improve as another of technique scheme, the chemical addition agent in described step (2) is one or more in sodium carbonate, sodium chloride, NaOH.
As the another improvement of technique scheme, also comprise step (4): the water content naturally utilizing chimneying dry technology to make pre-gelatinized starch to keep stable after cooling.
The invention has the beneficial effects as follows: the pre-gelatinized starch utilizing the present invention to produce is white clear shape, the pre-gelatinized starch of white clear shape can improve the utilization of aquatic products to feed, improves the efficiency of feed, reduces aquaculture cost; In addition utilize production method of the present invention, the energy consumption for drying of pre-gelatinized starch is few, and production cost is low.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
The present invention take ative starch as raw material, add chemical addition agent to prepare the pre-gelatinized starch of white clear, concrete steps are as follows: (1) adds peninsula board ative starch and flourish Star ative starch with the ratio of 2:1 in batch mixing pond, stir while add through the deionization waterside of purification process, puddle and form moistening starch compound, the addition of deionized water is 15 ~ 20% of ative starch gross weight; (2) the millesimal ratio in ative starch gross weight in starch compound adds chemical addition agent, then stirs 10 minutes; (3) use extrusion expansion technology that starch compound is clamp-oned bulking machine, heating pressurization, is extruded by pore, carries out pre-gelatinized, dry process; Be pressurized to (7 ~ 8) X10 in step (3)
5pa, being heated to temperature is 125 ~ 140 DEG C, and the pore diameter in step (3) is 0.1 ~ 0.8mm.
After (3) step, obtain white clear pre-gelatinized starch into strips, obtain the special pre-gelatinized starch of aquatic feeds by pulverizing, its characteristic is as follows:
| Outward appearance | White powder |
| Fineness (80 target accurate sub-sieve percent of pass %)≤ | 90.0 |
| Baidu (457nm blue emission rate)≤ | 75.0 |
| Moisture (%)≤ | 6.0 |
| Ash content (%)≤ | 0.6 |
| Viscosity (5%, 25 DEG C, mPaS)≤ | 3000 |
Embodiment 1:
First use batch mixing pond scrub, in batch mixing pond, put into peninsula board ative starch 2 tons and flourish Star ative starch 1 ton again, add 450 kilograms of deionized waters through purification process, require deionization electrical conductivity of water≤10mu, while stir, form moistening starch compound; Then add the sodium carbonate of 3 kilograms, then stir 10 minutes.Then use extrusion expansion technology that starch compound is clamp-oned double helix bulking machine, heating pressurization, makes starch denaturalization, is extruded by 0.1mm pore, carries out pre-gelatinized, dry process; Be pressurized to (7 ~ 8) X10 in this step
5pa, being heated to temperature is 125 ~ 140 DEG C.Obtaining white clear product into strips through pre-gelatinized, dry process, obtaining the special pre-gelatinized starch of aquatic feeds through pulverizing.
Embodiment 2:
First use batch mixing pond scrub, in batch mixing pond, put into peninsula board ative starch 2 tons and flourish Star ative starch 1 ton again, add 600 kilograms of deionized waters through purification process, require deionization electrical conductivity of water≤10mu, while stir, form moistening starch compound; Then add the sodium chloride of 3 kilograms, then stir 10 minutes.Then use extrusion expansion technology that starch compound is clamp-oned double helix bulking machine, heating pressurization, makes starch denaturalization, is extruded by 0.8mm pore, carries out pre-gelatinized, dry process; Be pressurized to (7 ~ 8) X10 in this step
5pa, being heated to temperature is 125 ~ 140 DEG C.Obtaining white clear product into strips through pre-gelatinized, dry process, obtaining the special pre-gelatinized starch of aquatic feeds through pulverizing.
Embodiment 3:
First use batch mixing pond scrub, in batch mixing pond, put into peninsula board ative starch 2 tons and flourish Star ative starch 1 ton again, add 500 kilograms of deionized waters through purification process, require deionization electrical conductivity of water≤10mu, while stir, form moistening starch compound; Then add the NaOH of 3 kilograms, then stir 10 minutes.Then use extrusion expansion technology that starch compound is clamp-oned double helix bulking machine, heating pressurization, makes starch denaturalization, is extruded by 0.6mm pore, carries out pre-gelatinized, dry process; Be pressurized to (7 ~ 8) X10 in this step
5pa, being heated to temperature is 125 ~ 140 DEG C.Obtain white clear product into strips through pre-gelatinized, dry process, utilize chimneying dry technology to carry out drying after crushed, obtain the pre-gelatinized starch that water content keeps stable aquatic feeds special.
Although describe embodiments of the present invention above, those skilled in the art can make various distortion or amendment within the scope of the appended claims.
Claims (4)
1. a preparation method for the special pre-gelatinized starch feed of aquaculture, is characterized in that, comprise the steps:
In batch mixing pond, add peninsula board ative starch and flourish Star ative starch with the ratio of 2:1, stir while add through the deionization waterside of purification process, puddle and form moistening starch compound, the addition of deionized water is 15 ~ 20% of ative starch gross weight;
Millesimal ratio in ative starch gross weight in starch compound adds chemical addition agent, then stirs 10 minutes;
Use extrusion expansion technology that starch compound is clamp-oned bulking machine, heating pressurization, is extruded by pore, carries out pre-gelatinized, dry process;
Described step (3) is pressurized to (7 ~ 8) X10
5pa, being heated to temperature is 125 ~ 140 DEG C, and the pore diameter in described step (3) is 0.1 ~ 0.8mm, and the bulking machine of described step (3) is double helix exrusion bulking machine.
2. the preparation method of the special pre-gelatinized starch feed of a kind of aquaculture according to claim 1, is characterized in that, deionization electrical conductivity of water≤10mu used in described step (1).
3. the preparation method of the special pre-gelatinized starch feed of a kind of aquaculture according to claim 1, is characterized in that, the chemical addition agent in described step (2) is one or more in sodium carbonate, sodium chloride, NaOH.
4. the preparation method of the special pre-gelatinized starch feed of a kind of aquaculture according to claim 1, is characterized in that, also comprises step (4): the water content naturally utilizing chimneying dry technology to make pre-gelatinized starch to keep stable after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510207474.8A CN104782986A (en) | 2015-04-28 | 2015-04-28 | Method for preparing special pre-gelatinized starch feed for aquaculture |
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| CN201510207474.8A CN104782986A (en) | 2015-04-28 | 2015-04-28 | Method for preparing special pre-gelatinized starch feed for aquaculture |
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| CN104782986A true CN104782986A (en) | 2015-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613055A (en) * | 2019-09-27 | 2019-12-27 | 江苏瑞牧生物科技有限公司 | Method for improving viscosity of special whole wheat flour for feed |
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| CN101704895A (en) * | 2009-11-16 | 2010-05-12 | 浙江大学 | Preparation method of highly viscous feeding pregelatinized starch |
| CN102718876A (en) * | 2012-06-13 | 2012-10-10 | 华南理工大学 | High-liquidity starch and preparation method and application thereof |
| CN103739721A (en) * | 2014-01-02 | 2014-04-23 | 开平联技化工有限公司 | Pre-gelatinized starch and preparation method thereof |
| CN103833862A (en) * | 2014-02-27 | 2014-06-04 | 华南理工大学 | Oxidized glutinous rice starch as well as preparation method and application thereof |
| CN104211819A (en) * | 2014-09-09 | 2014-12-17 | 青岛农业大学 | Preparation method and modification method of taro starch nanoparticles as well as application of taro starch nanoparticles |
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2015
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| WO2001066600A1 (en) * | 2000-03-09 | 2001-09-13 | Hercules Incorporated | Stabilized microfibrillar cellulose |
| CN1679435A (en) * | 2004-04-09 | 2005-10-12 | 吕启晟 | Starch swelling forming method |
| CN101033259A (en) * | 2006-03-10 | 2007-09-12 | 四平帝达变性淀粉有限公司 | Process of preparing pregelatinization acetyl oxidation starch |
| CN101704895A (en) * | 2009-11-16 | 2010-05-12 | 浙江大学 | Preparation method of highly viscous feeding pregelatinized starch |
| CN102718876A (en) * | 2012-06-13 | 2012-10-10 | 华南理工大学 | High-liquidity starch and preparation method and application thereof |
| CN103739721A (en) * | 2014-01-02 | 2014-04-23 | 开平联技化工有限公司 | Pre-gelatinized starch and preparation method thereof |
| CN103833862A (en) * | 2014-02-27 | 2014-06-04 | 华南理工大学 | Oxidized glutinous rice starch as well as preparation method and application thereof |
| CN104211819A (en) * | 2014-09-09 | 2014-12-17 | 青岛农业大学 | Preparation method and modification method of taro starch nanoparticles as well as application of taro starch nanoparticles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613055A (en) * | 2019-09-27 | 2019-12-27 | 江苏瑞牧生物科技有限公司 | Method for improving viscosity of special whole wheat flour for feed |
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