CN102475190A - Method for producing puffed soybean powder for livestock feeding - Google Patents
Method for producing puffed soybean powder for livestock feeding Download PDFInfo
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- CN102475190A CN102475190A CN2010105596770A CN201010559677A CN102475190A CN 102475190 A CN102475190 A CN 102475190A CN 2010105596770 A CN2010105596770 A CN 2010105596770A CN 201010559677 A CN201010559677 A CN 201010559677A CN 102475190 A CN102475190 A CN 102475190A
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- texture
- feeding
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- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
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- Beans For Foods Or Fodder (AREA)
Abstract
The invention relates to a method for producing full-fat soybean powder, in particular to a method for producing puffed soybean powder for livestock feeding, which belongs to the field of processing of agricultural and sideline products. The method includes the steps: using a feed screw to feed comminuted soybean powder into a quality conditioner, feeding high-pressure steam (about 75 atmospheres) for pre-regulation, and using a spiral feed screw to push the powder into a spiral extruder. When the powder is pushed forward spirally, heat and high pressure are generated under friction force and pressure generated in grinding so as to eject out the powder into a nozzle of a chamber. Meanwhile, pressure and temperature outside the chamber are decreased sharply, the soybean powder is puffed upon sudden change, cells are crushed further due to evaporation of water, and utilization value of nutrition is improved.
Description
Technical field
The present invention relates to a kind of preparation method of whole soya-bean powder, particularly a kind of preparation method who produces the feeding soy bean powder of livestock and poultry belongs to the agricultural byproducts processing field.
Background technology
Expanded is that material is carried out reducing pressure after the high temperature high pressure process, a kind of process technology of utilizing the expansion characteristics of moisture flash evaporation or material itself that some physicochemical property of material is changed.It is divided into two kinds of airflow puffing and extrusions.Airflow puffing is in closed container, material to be imposed high temperature and high pressure steam to handle, decompression then, and extrusion is to utilize the extruding pressure build up of screw rod steam binding to material, reduces pressure suddenly in the exit.From applying of present China puffing technique, what the overwhelming majority adopted all is extrusion.At present expansion method mainly contain dry method expanded with expanded two kinds of wet method.Dry method is expanded to be meant to heat outward and also not to add water, relies between material and bulking machine outer wall and the screw rod frictional heat each other merely and the processing mode that carries out, and this method is simple to operate; Equipment cost is also low; But swelling temperature is wayward, and nutrition destroys bigger, and power consumption is big.Expanded being meant of wet method adds moisture (water or steam) in puffing process, this method is because water content is higher, and temperature is expanded lower than dry method, and is also easy to control, can keep the nutritional labeling of material preferably, but the equipment relative complex, cost is also higher.
Summary of the invention
The objective of the invention is for overcoming the weak point of prior art; A kind of preparation method who produces the feeding soy bean powder of livestock and poultry is provided, and this preparation method sends into the soy meal of pulverizing in the quality-adjusting device with feeding packing auger, feeds high steam (about 75 atmospheric pressure) and carries out premodulated; Then push in the screw extruder by the screw feed screw feeder; When spiral is pushed ahead, produce frictional force and pressure owing to grind, and then produce heat energy and high pressure sprays to machine thorax mouth.At this moment, the outer pressure and temperature of machine thorax is die-offed, and bean powder expands because of this unexpected variation, and cell further breaks because of the evaporation of moisture, nutritional utilization is worth improves.
The objective of the invention is to realize with following technical scheme: a kind of preparation method who produces the feeding soy bean powder of livestock and poultry is characterized in that: this method is primary raw material with the soybean, through steam regulation of texture, conditioning of texture 5-15 minute, and steam regulation of texture, conditioning of texture temperature: 140-160 ℃; The soy meal of pulverizing is sent in the quality-adjusting device with feeding packing auger, fed high steam (about 75 atmospheric pressure) and carry out premodulated, then carry out extrusion, extrusion time: 3-8 minute, extrusion temperature: 110-200 ℃; Push in the screw extruder by the screw feed screw feeder,, produce frictional force and pressure, and then produce heat energy and spray to machine thorax mouth with high pressure owing to grind when spiral is pushed ahead, again through starch gelatinization, drying, cooling, pack, get product.
Advantage of the present invention is: the TRANSIENT HIGH TEMPERATURE that is produced in this preparation method's the soybean puffing process can interrupt the secondary key between protein molecule; And do not influence amino acid whose elementary key, improved the digestibility of protein on the contrary, because expanded HTHP effect; The eleocyte of soybean is broken; Fat wherein is vulnerable to the effect of digestive ferment, and therefore, the digestibility of fat obviously improves.
Below in conjunction with embodiment the present invention is described further;
The specific embodiment
Embodiment 1.
Soybean is pulverized, send in the quality-adjusting device with feeding packing auger, feed high steam (about 75 atmospheric pressure) and carry out premodulated, using the interior temperature of steam control quality-adjusting device is 150 ℃, and controlling the modified time through the control charging rate is 10 minutes.Then carry out extrusion, push in the screw extruder, when spiral is pushed ahead by the screw feed screw feeder; Produce frictional force and pressure owing to grind, make the extruding built-in temperature reach 170 ℃, it is 5 minutes that the control charging rate makes the time of staying of material in extruder; Utilize the high temperature in the extruder to make starch gelatinization, to the ejection of machine thorax mouth, moisture volatilizees rapidly under the effect of heat energy and high pressure; Make material dry rapidly, through cooling, packing, get product then.
Embodiment 2.
Soybean is pulverized, send in the quality-adjusting device with feeding packing auger, feed high steam (about 75 atmospheric pressure) and carry out premodulated, using the interior temperature of steam control quality-adjusting device is 155 ℃, and controlling the modified time through the control charging rate is 12 minutes.Then carry out extrusion, push in the screw extruder, when spiral is pushed ahead by the screw feed screw feeder; Produce frictional force and pressure owing to grind, make the extruding built-in temperature reach 180 ℃, it is 7 minutes that the control charging rate makes the time of staying of material in extruder; Utilize the high temperature in the extruder to make starch gelatinization, to the ejection of machine thorax mouth, moisture volatilizees rapidly under the effect of heat energy and high pressure; Make material dry rapidly, through cooling, packing, get product then.
Claims (1)
1. preparation method who produces the feeding soy bean powder of livestock and poultry, it is characterized in that: this method is primary raw material with the soybean, through steam regulation of texture, conditioning of texture 5-15 minute, steam regulation of texture, conditioning of texture temperature: 140-160 ℃; The soy meal of pulverizing is sent in the quality-adjusting device with feeding packing auger, fed high steam (about 75 atmospheric pressure) and carry out premodulated, then carry out extrusion, extrusion time: 3-8 minute, extrusion temperature: 110-200 ℃; Push in the screw extruder by the screw feed screw feeder,, produce frictional force and pressure, and then produce heat energy and spray to machine thorax mouth with high pressure owing to grind when spiral is pushed ahead, again through starch gelatinization, drying, cooling, pack, get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105596770A CN102475190A (en) | 2010-11-21 | 2010-11-21 | Method for producing puffed soybean powder for livestock feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105596770A CN102475190A (en) | 2010-11-21 | 2010-11-21 | Method for producing puffed soybean powder for livestock feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102475190A true CN102475190A (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105596770A Pending CN102475190A (en) | 2010-11-21 | 2010-11-21 | Method for producing puffed soybean powder for livestock feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102475190A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107259143A (en) * | 2017-07-03 | 2017-10-20 | 合肥卓畅农业科技有限公司 | A kind of pig starter feed and preparation method thereof |
-
2010
- 2010-11-21 CN CN2010105596770A patent/CN102475190A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107259143A (en) * | 2017-07-03 | 2017-10-20 | 合肥卓畅农业科技有限公司 | A kind of pig starter feed and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120530 |