CN104757388A - Heat-moisture treatment method of bran - Google Patents
Heat-moisture treatment method of bran Download PDFInfo
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- CN104757388A CN104757388A CN201510164389.8A CN201510164389A CN104757388A CN 104757388 A CN104757388 A CN 104757388A CN 201510164389 A CN201510164389 A CN 201510164389A CN 104757388 A CN104757388 A CN 104757388A
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Abstract
The invention relates to a heat-moisture treatment method of bran. The method solves the problems that bran smashing and machining energy consumption is high, the granularity is not uniform, and the bran easily absorbs moisture and goes bad. The method is characterized by comprising the steps of adding baking soda solutions, carrying out cascade colloid pulp milling and pulp liquid water removing and separating sequentially, after water removal, carrying out sterilizing and drying treatment on bran materials through a drying system, and smashing the obtained bran, thus completing the processing technology of the bran. The water content of the dried bran powder is controlled within 14 percent, and the granularity is controlled within the range of 10 meshes to 200 meshes. Compared with an existing method, the method has the advantages that a heat-moisture method powder producing technology is adopted, the powder granularity is high in controllability, a physicochemical reaction process exists in the powder producing process, the produced powder is not likely to absorb moisture, particles are uniform, and the palatability is good; in the bran powder producing process, a low-temperature pulping, water circular-using and efficient drying process is adopted, the method has the advantages of being low in energy consumption and high in efficiency and yield, and continuous scale production can be conveniently achieved.
Description
Technical field
The present invention relates to a kind of humid heat treatment method of wheat bran, be specially the slurrying of wheat bran wet method and be dried to the method for powder.
Background technology
Wheat bran contains abundant dietary fiber.The absorption increasing dietary fiber in diet can beneficial bacterium in Effective multiplication enteron aisle; adjustment improves intestinal microflora; protection intestinal barrier function, has good prevention effect to chronic diseases such as obese diabetes, hypertension, coronary heart disease, cardiovascular and cerebrovascular disease and colon cancers.
The pulverizing of wheat bran dry powder needs to control suitable moisture, temperature, and then pass through powerful broken, its particle size after cracking controls difficulty, and product does not have material changes, sterilizing, the process such as enzyme of going out, and the easy moisture absorption of product, goes bad, and shortens shelf life.
Chinese patent 200610102264.3 oat bran produces the technology of Herba bromi japonici dietary fiber, nutrient powder, provide the oat bran processing method of a kind of microwave deactivating enzyme, complex enzyme hydrolysis, centrifugal separator ultramicro grinding, there is the drawbacks such as technological process is long, energy consumption is high, enzymolysis time is long.
Chinese patent 200810035917.X wheat puffing bran flour, its preparations and applicatio, provide the method for a kind of wheat bran cryogenic freezing ultramicro grinding after extrusion pretreatment, the method can obtain mouthfeel and the quality of wheatfeed, but superfreeze processing procedure to equipment and operation requirements high, energy consumption is large.
Chinese patent 201010230142.9 1 kinds of method for breaking walls of cells of bran by wet grinding; provide a kind of method of enzymic degradation cell membrane, ball mill pulverizing cells of bran; overcome the deficiencies such as Crushing of Ultrafine wall breaking technology sporoderm-broken rate is low, energy consumption is large to a certain extent; but because the restriction of ball mill production capacity and material glue glutinous, constrain the large-scale production of the method.
Therefore, select low consumption, efficiently wheat bran processing method to improve the quality of wheatfeed, improving the product shelf phase is wheat bran resource, each key of higher value application.
Summary of the invention
The object of the invention is that the energy consumption overcoming prior art existence is high, quality control is difficult, the deficiencies such as technological process is long, a kind of humid heat treatment method of wheat bran is provided, the method technique is simple, energy consumption is low, the wheat bran epigranular of gained is controlled, product is through weak base, sterilizing, go out ferment treatment, improve storge quality and the safety in utilization of product, the Flour product good palatability that the wholemeal adopting the method to obtain is cooked, nutritious, the water imbibition of flour slightly increases, but the opaque quality of overall wholemeal improves a lot, product index reaches every food hygienic standard.
For achieving the above object, the technical scheme taked of the present invention is as follows:
A kind of humid heat treatment method of wheat bran, comprise wheat bran wet method defibrination and dry process two main technique, it is characterized in that: wheat bran is put in agitator tank after collecting, add saleratus solution, then pulpous state feed liquid is made through cascade colloid mill, pulpous state feed liquid is through processed, and after dehydration, wheat bran material carries out sterilizing-drying process through drying system, and the wheat bran obtained is further through having pulverized the treatment process of wheat bran.
The humid heat treatment method of described a kind of wheat bran, is characterized in that: the addition of saleratus solution be 5-50% to wheat bran amount, solution temperature is 40-70 DEG C, saleratus solution concentration 0.1-1%.
The humid heat treatment method of described a kind of wheat bran, is characterized in that: cascade colloid mill is the tandem process of more than 2 grades, and control grain diameter in slurry and reduce gradually, afterbody controls out-feed liquid particle diameter at 80-500 micron.
The humid heat treatment method of described a kind of wheat bran, is characterized in that: slurry obtains through processed system the material that moisture content is less than 90%, and dewatering system is centrifuge, filter press or vacuum suction filter.
The humid heat treatment method of described a kind of wheat bran, is characterized in that: drying system is divided into preheating section, dryer section and cooling section, and dry run moisture evaporation rate is adjustable, and after dry, moisture content of material is less than 12%, and drop temperature is less than 40 DEG C; Drying system can be one or both and above combined system of microwave dryer, fluidized bed dryer, spray drying system, vacuum drying system.
The humid heat treatment method of described a kind of wheat bran, is characterized in that: the granularity of wheatfeed finally controls in 10-200 order scope.
The humid heat treatment method of described a kind of wheat bran, is characterized in that: wheat bran is not limited to wheat bran, also has corn, the cereal brans such as oat.
The present invention compared with the existing methods, has the following advantages:
1, adopt wet heating flouring technology, powder granularity controllability is strong, pulverizing process with physical reaction process, obtained wheat bran powder uniform particles, good palatability, the product of drying and dehydrating, sterilizing, the enzyme that goes out easily is preserved;
2, wheat bran pulverizing process adopts low temperature slurrying, cycling use of water and highly effective drying technique, has the advantages that energy consumption is little, efficiency is high, yield is high, is convenient to realize serialization large-scale production.
Accompanying drawing explanation
Fig. 1 is the humid heat treatment method process chart of a kind of wheat bran of the present invention.
Detailed description of the invention
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in further detail, but do not form any limitation of the invention.
The wheat bran that tradition powder process obtains is placed in priming reaction case, add the saleratus solution that temperature is 50 DEG C 0.2%, solid-liquid ratio is 1:0.5, be uniformly mixed and be placed in 400 micron order colloid mills, while add waterside slurrying, it is 1.0 times of inventories that amount of water controls, and slurry realizes fast dewatering operation under the process of continuous disc centrifuge, and obtaining moisture is wheat bran pie material within 85%.
Pie material is delivered in microwave dryer through conveyer belt, realize sterilizing, go out enzyme and drying process, drying system is divided into preheating section, dryer section and cooling section, after dry, moisture content of material is less than 12%, drop temperature is 35 DEG C, and then pulverize the machine-processed wheatfeed obtained finally through plant, its moisture is less than 13%.
Wheatfeed adopts ox-hide damp-prrof packing, normal temperature storage, and shelf life of products can reach 6-8 month.
Through adopting Brabender ICC BIPEA300 test, to contrast situation simply as shown in the table with not backfilling flour quality for the flour quality backfilling the wheat bran after 14% wet heating process.
As can be seen from the above table, after the wheat bran of backfill this method, the water absorption rate of flour adds 9.8%, formation time extends 1.22min, its stabilization time, opaque quality are improved, and opaque performance figure improves 24%, can significantly improve opaque quality after the wheat bran backfill that this method is processed is described.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is carried out, all within scope.
Claims (7)
1. the humid heat treatment method of a wheat bran, comprise wheat bran wet method defibrination and dry process two main technique, it is characterized in that: wheat bran is put in agitator tank after collecting, add saleratus solution, then pulpous state feed liquid is made through cascade colloid mill, pulpous state feed liquid is through processed, and after dehydration, wheat bran material carries out sterilizing-drying process through drying system, and the wheat bran obtained is further through having pulverized the treatment process of wheat bran.
2. the humid heat treatment method of a kind of wheat bran according to claim 1, is characterized in that: the addition of saleratus solution be 5-50% to wheat bran amount, solution temperature is 40-70 DEG C, saleratus solution concentration 0.1-1%.
3. the humid heat treatment method of a kind of wheat bran according to claim 1, is characterized in that: cascade colloid mill is the tandem process of more than 2 grades, and control grain diameter in slurry and reduce gradually, afterbody controls out-feed liquid particle diameter at 80-500 micron.
4. the humid heat treatment method of a kind of wheat bran according to claim 1, is characterized in that: slurry obtains through processed system the material that moisture content is less than 90%, and dewatering system is centrifuge, filter press or vacuum suction filter.
5. the humid heat treatment method of a kind of wheat bran according to claim 1, it is characterized in that: drying system is divided into preheating section, dryer section and cooling section, dry run moisture evaporation rate is adjustable, and after dry, moisture content of material is less than 12%, and drop temperature is less than 40 DEG C; Drying system can be one or both and above combined system of microwave dryer, fluidized bed dryer, spray drying system, vacuum drying system.
6. the humid heat treatment method of a kind of wheat bran according to claim 1, is characterized in that: the granularity of wheatfeed finally controls in 10-200 order scope.
7. the humid heat treatment method of a kind of wheat bran according to claim 1, is characterized in that: wheat bran is not limited to wheat bran, also has corn, the cereal brans such as oat.
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| CN201510164389.8A CN104757388B (en) | 2015-04-08 | 2015-04-08 | A kind of humid heat treatment method of wheat bran |
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| CN201510164389.8A CN104757388B (en) | 2015-04-08 | 2015-04-08 | A kind of humid heat treatment method of wheat bran |
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| CN104757388B CN104757388B (en) | 2018-04-03 |
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Citations (5)
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|---|---|---|---|---|
| CN1559309A (en) * | 2004-03-09 | 2005-01-05 | 青岛百乐麦食品有限公司 | Method for extracting edible bran fiber from wheat bran |
| CN1973681A (en) * | 2006-12-13 | 2007-06-06 | 山西金绿禾燕麦研究所 | Technological process of producing oat diet fiber and nutritious powder with oat bran |
| CN101637281A (en) * | 2008-07-31 | 2010-02-03 | 福建省水产研究所 | Method for preparing kelp polysaccharide food |
| CN101703257A (en) * | 2009-11-02 | 2010-05-12 | 太原纠偏食品开发有限公司 | High compound fiber rectification food additive |
| CN102182089A (en) * | 2011-03-30 | 2011-09-14 | 西南大学 | Short fiber food waste residue-based nano cellulose and preparation method thereof |
-
2015
- 2015-04-08 CN CN201510164389.8A patent/CN104757388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559309A (en) * | 2004-03-09 | 2005-01-05 | 青岛百乐麦食品有限公司 | Method for extracting edible bran fiber from wheat bran |
| CN1973681A (en) * | 2006-12-13 | 2007-06-06 | 山西金绿禾燕麦研究所 | Technological process of producing oat diet fiber and nutritious powder with oat bran |
| CN101637281A (en) * | 2008-07-31 | 2010-02-03 | 福建省水产研究所 | Method for preparing kelp polysaccharide food |
| CN101703257A (en) * | 2009-11-02 | 2010-05-12 | 太原纠偏食品开发有限公司 | High compound fiber rectification food additive |
| CN102182089A (en) * | 2011-03-30 | 2011-09-14 | 西南大学 | Short fiber food waste residue-based nano cellulose and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郝春明: "全麦粉的制备及其品质特性研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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