CN1090913C - Method for preparing coarsely ground corn - Google Patents
Method for preparing coarsely ground corn Download PDFInfo
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- CN1090913C CN1090913C CN00110643A CN00110643A CN1090913C CN 1090913 C CN1090913 C CN 1090913C CN 00110643 A CN00110643 A CN 00110643A CN 00110643 A CN00110643 A CN 00110643A CN 1090913 C CN1090913 C CN 1090913C
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- teeth
- slag
- grits
- corn
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Abstract
The present invention relates to a method for preparing refining corn grits. The present invention has the method that corn raw grains whose cutin ratio is from 75 to 85% are adopted first, the water content of the corn raw grains is dried to be lower than 14% by a natural airing mode, and then, skin layers of the corn raw grains are removed by a huller. The corn raw grains are crushed by a grit breaker, great grits and germ are separated from the corn raw grains by a germ separator, the great grits are refined, the great grits of basically extracted germ enter the huller and the germ separator to be treated again and crushed finely and finally, a joint production technology is adopted according to grit granularity requirements, the refining corn grits with order granularity are obtained by eight pairs of grinding rolls with different tooth shape and roll clearance to carry out separation milling, grit power is sieved, and the peeling and germ extraction are carried out further. The method is simple and practicable, the traditional grit making method is changed fundamentally, the grits have high precision, order granularity and less skin content, and the total yield, the umbilical skin threshing performance and the bulking effect of the grits are increased obviously.
Description
The present invention relates to a kind of production method of fast-food type raw-food material, especially for the preparation method of the coarsely ground corn of corn chuckchuck sound body convenient for production or other dilated food.
Along with dilated food and fast-food type food, as listings such as instant gruel, convenient rice, maize pulp demand as its primary raw material is increasing, to the maize pulp quality requirements, all have higher requirements as threshing rate, expansion rate etc., maize pulp quality quality will directly influence the dilated food quality or make things convenient for chuckchuck sound physique amount, and the key of maize pulp quality then is the control of navel skin content.Adopt the maize pulp of produced in conventional processes far can not adapt to or make things convenient for the quality requirements of the raw material of chuckchuck sound body as dilated food.This reason wherein mainly contain following some: one, conventional method system slag is not controlled the raw grain quality, promptly select for use raw material variety do not consider vitreousness what, vitreousness is low, expansion rate is also low; Do not consider the drying mode of raw grain, generally through the raw grain of heated-air drying, water content skewness in it influences expansion effect.Its two, conventional method system slag follows the theory of flour processing, only pays attention to milling processing ground-slag repeatedly, in general, though the precision of slag increases, slag yield is low, it is big to contain the skin amount in the finished product slag, especially the quality of corn flour descends and is difficult to meet the requirements; Its three, the break of conventional method raw grain only stresses to extract the bigger slag of granularity, so slag yield is low, the classification of slag is thinless, contains a large amount of embryos in the slag, is difficult to propose.Therefore, the quality that improves maize pulp makes it to adapt to the bulking process requirement, has become the insoluble always problem of people.
The preparation method who the purpose of this invention is to provide a kind of coarsely ground corn, this method is simple, fundamentally changes tradition system slag method, the precision height of slag, granularity is neat, and it is few to contain skin, and what significantly improve slag always goes out rate, threshing rate and expansion effect.
The object of the present invention is achieved like this; It is the corn raw grain of 75-85% that this method is at first selected vitreousness for use, the mode that adopts nature to dry is dried to and moisturely is not more than 14%, after sloughing cortex with peeling machine then, use the slag breaker coarse crushing, be separated into big slag, embryo through stripper, refining to big slag, substantially the big slag that proposes embryo is entered peeling machine and stripper is handled again, in small, broken bits at last, the granularity requirements of pressing slag, adopt joint production process, by 8 pairs of grinding rollers of isodont, different roll clearances not, separately grind and carry out ground-slag and jig, further embryo is carried in peeling, by the grading screening, promptly get the neat coarsely ground corn of granularity.
Because the present invention fundamentally changes traditional maize pulp processing method, through scientific appraisal, optimize unique processing method, so the coarsely ground corn of producing has the precision height, contains the advantage that skin is few, granularity is neat, expansion effect is good.Its main cause just is:
One, strict control raw grain quality considers that one of essential condition of influence the maize pulp expansion effect is the vitreousness of raw grain itself, and the selection vitreousness is the highest at the expansion rate of 75-85%.Another condition that influences the maize pulp expansion effect is that the distribution of raw grain internal moisture is wanted evenly, therefore strict control raw grain drying means, stop to adopt heated-air drying, be not more than 14% and should dry naturally to moisture, to prevent because of heated-air drying, change, influence the maize pulp expansion effect and cause the raw grain internal moisture to distribute.
Two, big slag is refining: with peeling machine peeling back break, the big slag of isolating embryo enters peeling machine and stripper is handled again, makes with extra care, and makes the navel skin content of big slag reduce to minimum to greatest extent with preferred corn raw grain.Add this procedure and can reduce the burden of postorder ground-slag operation required precision.
Three, classification in small, broken bits: it is in small, broken bits to make with extra care big slag, adopts joint production process, by 8 pairs of not isodont, different roll clearance grinding rollers, separately grinds, and carries out ground-slag and jigs, and by grading, utilizes the principle of light fine ground branch, and varigrained slag is extracted respectively.This not only improves the precision of slag, reduce the skin amount that contains, what increase slag always goes out rate, threshing rate is reached more than 95%, and because of its classification is thinner, so epigranular, thereby guarantee to improve the expansion effect of its postorder, while is energy savings also, guarantees to utilize the finished product quality of maize pulp for raw material, reaches result in unexpected positive.
Below in conjunction with embodiment the present invention is further described.
Embodiment 1, produces the coarsely ground corn that granularity is 2.0mm-2.5mm
One, preferred raw grain dries naturally
Choosing of raw grain should be guaranteed the kind of its vitreousness at 75-85%, allows it dry naturally then, and drying back institute water content is not more than 14%.
Two, big slag is refining
With dry after clear up qualified raw grain with the peeling machine decortication after, carry out coarse crushing with slag breaker, separate through stripper, big slag with after embryo separates, refining to big slag, the big slag that proposes embryo is substantially entered peeling machine and stripper is handled again, in small, broken bits at last, press the granularity requirements of slag, adopt joint production process, by 8 pairs of isodonts not, the grinding roller of different roll clearances grinds, and used grinding roller flute profile is respectively 10 teeth/inch, 12 teeth/inch, 14 teeth/inch, 16 teeth/inch, 18 teeth/inch, 20 teeth/inch, 22 teeth/inch, 24 teeth/inch, grinding roller is divided into four groups, every group two, roll clearance is respectively 5mm therebetween, 4mm, 3.5mm, 2.5mm.
Carry out ground-slag then and jig, further embryo is carried in peeling, and by the grading screening, it is neat promptly to get granularity, and granularity is the coarsely ground corn of 2.0mm-2.5mm.
The every index of the coarsely ground corn of the inventive method is compared with conventional method has notable difference, sees following table for details:
| Project | Conventional method | The inventive method |
| Always go out rate (%) output (ton/class) and contain skin amount (%) precision (%) | 50 8 1.5 90 | 64 15 0.3 96 |
Claims (1)
1, a kind of preparation method of coarsely ground corn, it is the corn raw grain of 75-85% that this method is at first selected vitreousness for use, the mode that adopts nature to dry is dried to and moisturely is not more than 14%, after sloughing cortex with peeling machine then, use the slag breaker coarse crushing, be separated into big slag through stripper, embryo, refining to big slag, the big slag that proposes embryo is substantially entered peeling machine and stripper is handled again, in small, broken bits at last, press the granularity requirements of slag, adopt joint production process, by 8 pairs of isodonts not, different roll clearance grinding rollers separately grind, and carry out ground-slag and jig, further embryo is carried in peeling, by the grading screening, promptly get the neat coarsely ground corn of granularity, used grinding roller flute profile is respectively: 10 teeth/inch, 12 teeth/inch, 14 teeth/inch, 16 teeth/inch, 18 teeth/inch, 20 teeth/inch, 22 teeth/inch, 24 teeth/inch, used grinding roller are divided into four groups, two every group, roll clearance is respectively 5mm therebetween, 4mm, 3.5mm, 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00110643A CN1090913C (en) | 2000-07-11 | 2000-07-11 | Method for preparing coarsely ground corn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00110643A CN1090913C (en) | 2000-07-11 | 2000-07-11 | Method for preparing coarsely ground corn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1279903A CN1279903A (en) | 2001-01-17 |
| CN1090913C true CN1090913C (en) | 2002-09-18 |
Family
ID=4580623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00110643A Expired - Fee Related CN1090913C (en) | 2000-07-11 | 2000-07-11 | Method for preparing coarsely ground corn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1090913C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106071835A (en) * | 2016-05-31 | 2016-11-09 | 四川可士可果业股份有限公司 | The raw dry particulate manufacturing method of Semen Maydis |
| CN108212463A (en) * | 2018-01-03 | 2018-06-29 | 中农鸿笙有限公司 | A kind of corn flour precise machining device and method for fine finishing |
| CN108201908B (en) * | 2018-01-03 | 2021-01-12 | 刘青山 | Preparation method of instant corn flour |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049112A (en) * | 1989-07-31 | 1991-02-13 | 吉林市江北粮油加工厂 | A kind of production technology of corn rice |
| CN1230360A (en) * | 1998-03-31 | 1999-10-06 | 汤兆铮 | Instant corn and its production |
-
2000
- 2000-07-11 CN CN00110643A patent/CN1090913C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049112A (en) * | 1989-07-31 | 1991-02-13 | 吉林市江北粮油加工厂 | A kind of production technology of corn rice |
| CN1230360A (en) * | 1998-03-31 | 1999-10-06 | 汤兆铮 | Instant corn and its production |
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| Publication number | Publication date |
|---|---|
| CN1279903A (en) | 2001-01-17 |
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