CN107583710A - A kind of processing technology of the rice of the low broken rice rate of low water content - Google Patents
A kind of processing technology of the rice of the low broken rice rate of low water content Download PDFInfo
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- CN107583710A CN107583710A CN201710640895.9A CN201710640895A CN107583710A CN 107583710 A CN107583710 A CN 107583710A CN 201710640895 A CN201710640895 A CN 201710640895A CN 107583710 A CN107583710 A CN 107583710A
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Abstract
The invention discloses a kind of processing technology of the rice of the low broken rice rate of low water content, comprise the following steps：The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying under stirring, obtains pre-processing paddy；Modified gelatin, pretreatment paddy are well mixed, whipping temp is 28 DEG C, is sent into steam and heats, and is sent into rice mill and rolls, the rough separation of paddy, is cooled to room temperature, is polished, color sorting, classification, obtains the rice of the low broken rice rate of low water content.Broken rice rate of the present invention is extremely low, and moisture is low, and long shelf-life, and economic benefit is high.
Description
Technical field
The present invention relates to rice processing technique field, more particularly to a kind of processing work of the rice of the low broken rice rate of low water content
Skill.
Background technology
Rice, it is one of staple food of people's most often feeding.The rice processing of broad sense refers to paddy husking to polished rice product
Comprehensive process process.The work flow of rice includes removal of impurities, husk rice, polishing, color sorting, classification and packaging substantially.It is actual raw
During production, rice processing technique obtains broken rice rate in rice and accounts for 15~30%, and during sale, rice whole grain is than the economic valency cracked rice
Value is high, so to obtain good economic benefit, rice processing enterprises strive improving rice processing technique, broken rice rate is dropped to most
It is low.
The content of the invention
The present invention proposes a kind of processing technology of the rice of the low broken rice rate of low water content, and broken rice rate of the present invention is extremely low, water
Divide content low, and long shelf-life, economic benefit are high.
The present invention proposes a kind of processing technology of the rice of the low broken rice rate of low water content, comprises the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying under stirring, obtains pre-processing paddy；
Modified gelatin, pretreatment paddy are well mixed, whipping temp is 2-8 DEG C, is sent into steam and heats, and is sent into husk rice
Rolled in machine, the rough separation of paddy, be cooled to room temperature, polished, color sorting, classification, obtain the rice of the low broken rice rate of low water content.
Preferably, modified gelatin, the weight ratio of pretreatment paddy are 1-2：60-70.
Preferably, modified gelatin is prepared using following technique：Gelatin, water are mixed and add single-walled carbon nanotube ultrasound
Concussion, vacuum drying, obtains modified gelatin.
Preferably, gelatin, the weight ratio of single-walled carbon nanotube are 2-4：1-2.
Preferably, during ultrasonic vibration, ultrasonic time 20-40min, ultrasonic power 600-750W.
Preferably, in process of vacuum drying, true temp is 75-85 DEG C, vacuum drying time 1-3h.
Preferably, in steam heating process, vapor (steam) temperature is 300-320 DEG C, steam heating time 3-6s.
Preferably, in hot-air drying process, hot-wind-drying time 25-45min, hot blast temperature is 60-70 DEG C.
In the present invention, after the paddy of harvesting is air-dried, heated-air drying can evenly take away paddy surface moisture, paddy surface
It will not become fragile, reduce the probability for the phenomenon that occurs cracking rice, single-walled carbon nanotube has high-specific surface area and strong Van der Waals force,
Compounded under certain technique with gelatin, be dispersed into single-root carbon nano-tube and be wrapped in gelatin molecule surface, in not destroying carbon nanometer tube
Under structure, dispersive property is fabulous, and conductivity of heat is fabulous, can be uniformly dispersed, is heated in steam heating process equal with pretreatment paddy
It is even, and, due to pre-processing paddy Surface coating layer protective layer, be able to can be dropped in pretreatment paddy Surface coating layer protective layer
Low mechanism causes the situation of rice fragmentation, coordinates high-temperature steam Short Time Heating, before guarantee rice husk is suitably humidified expansion
Put, be extremely easy to peel off, after rolling, broken rice rate is extremely low, then again by polishing, color sorting, classification, rice impurity content pole
Low, the present invention greatly reduces broken rice rate compared with traditional handicraft.
Same a batch of paddy of the inventive method processing, broken rice rate have reached less than 2.5%, moisture ＜ 1.5%.
The present invention is vacuum-packed using nitrogen, and rice temperature will not carry vapor, rice finished product less than 15 DEG C in rice during packaging
Shelf-life at least can extend 2 months.
Embodiment
Embodiment 1
A kind of processing technology of the rice of the low broken rice rate of low water content, comprises the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying under stirring, obtains pre-processing paddy；
Modified gelatin, pretreatment paddy are well mixed, whipping temp is 6 DEG C, is sent into steam and heats, and is sent into rice mill
In roll, the rough separation of paddy, be cooled to room temperature, polish, color sorting, classification, obtain the rice of the low broken rice rate of low water content.
Embodiment 2
A kind of processing technology of the rice of the low broken rice rate of low water content, comprises the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying 45min under stirring, 60 DEG C of hot blast temperature,
Obtain pre-processing paddy；
2 parts of modified gelatins, 60 parts of pretreatment paddy are well mixed by weight, whipping temp is 8 DEG C, is sent into temperature and is
6s is heated in 300 DEG C of steam, is sent into rice mill and rolls, the rough separation of paddy, be cooled to room temperature, is polished, color sorting, classification, is obtained low
The rice of the low broken rice rate of water content.
In modified gelatin, 2 parts of gelatin, 40 parts of water are mixed into 60min by weight, whipping temp is 785 DEG C, is added
Enter 1 part of single-walled carbon nanotube ultrasonic vibration 40min, ultrasonic power 600W, in 85 DEG C of temperature vacuum drying 1h, obtain being modified bright
Glue.
Embodiment 3
A kind of processing technology of the rice of the low broken rice rate of low water content, comprises the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying 25min under stirring, 70 DEG C of hot blast temperature,
Obtain pre-processing paddy；
1 part of modified gelatin, 70 parts of pretreatment paddy are well mixed by weight, whipping temp is 2 DEG C, is sent into temperature and is
3s is heated in 320 DEG C of steam, is sent into rice mill and rolls, the rough separation of paddy, be cooled to room temperature, is polished, color sorting, classification, is obtained low
The rice of the low broken rice rate of water content.
In modified gelatin, 4 parts of gelatin, 30 parts of water are mixed into 80min by weight, whipping temp is 75 DEG C, is added
Enter 2 parts of single-walled carbon nanotubes ultrasonic vibration 20min, ultrasonic power 750W, in 75 DEG C of temperature vacuum drying 3h, obtain being modified bright
Glue.
Embodiment 4
A kind of processing technology of the rice of the low broken rice rate of low water content, comprises the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying 34min under stirring, 62 DEG C of hot blast temperature,
Obtain pre-processing paddy；
1.5 parts of modified gelatins, 64 parts of pretreatment paddy are well mixed by weight, whipping temp is 6 DEG C, is sent into temperature
To heat 5s in 310 DEG C of steam, it is sent into rice mill and rolls, the rough separation of paddy, be cooled to room temperature, polish, color sorting, classification, obtains
The rice of the low broken rice rate of low water content.
In modified gelatin, 2.5 parts of gelatin, 38 parts of water are mixed into 70min by weight, whipping temp is 83 DEG C,
1.6 parts of single-walled carbon nanotubes ultrasonic vibration 34min, ultrasonic power 710W are added, in 84 DEG C of vacuum drying 1.5h of temperature, are obtained
Modified gelatin.
Embodiment 5
A kind of processing technology of the rice of the low broken rice rate of low water content, comprises the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying 30min under stirring, 64 DEG C of hot blast temperature,
Obtain pre-processing paddy；
1.2 parts of modified gelatins, 68 parts of pretreatment paddy are well mixed by weight, whipping temp is 4 DEG C, is sent into temperature
To heat 4s in 315 DEG C of steam, it is sent into rice mill and rolls, the rough separation of paddy, be cooled to room temperature, polish, color sorting, classification, obtains
The rice of the low broken rice rate of low water content.
In modified gelatin, 3 parts of gelatin, 36 parts of water are mixed into 76min by weight, whipping temp is 80 DEG C, is added
Enter 1.8 parts of single-walled carbon nanotubes ultrasonic vibration 30min, ultrasonic power 725W, in 81 DEG C of vacuum drying 2.5h of temperature, changed
Property gelatin.
Embodiment 6
A kind of processing technology of the rice of the low broken rice rate of low water content, comprises the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying 32min under stirring, 63 DEG C of hot blast temperature,
Obtain pre-processing paddy；
1.3 parts of modified gelatins, 66 parts of pretreatment paddy are well mixed by weight, whipping temp is 5 DEG C, is sent into temperature
To heat 4s in 312 DEG C of steam, it is sent into rice mill and rolls, the rough separation of paddy, be cooled to room temperature, polish, color sorting, classification, obtains
The rice of the low broken rice rate of low water content.
In modified gelatin, 2.8 parts of gelatin, 37 parts of water are mixed into 73min by weight, whipping temp is 82 DEG C,
1.7 parts of single-walled carbon nanotubes ultrasonic vibration 32min, ultrasonic power 715W are added, in 83 DEG C of vacuum drying 2h of temperature, are changed
Property gelatin.
Prepare the rice of the low broken rice rate of low water content using embodiment 5, broken rice rate 1.8%, moisture 1.32%,
It is vacuum-packed using nitrogen, rice temperature is 15 DEG C during packaging, without vapor, rice finished product extended shelf-life in rice
2 months.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. the processing technology of the rice of the low broken rice rate of a kind of low water content, it is characterised in that comprise the following steps：
The paddy of harvesting is gone into the removal of impurity, room temperature air-dries, the heated-air drying under stirring, obtains pre-processing paddy；
Modified gelatin, pretreatment paddy are well mixed, whipping temp is 2-8 DEG C, is sent into steam and heats, and is sent into rice mill
Roll, the rough separation of paddy, be cooled to room temperature, polish, color sorting, classification, obtain the rice of the low broken rice rate of low water content.
2. the processing technology of the rice of the low broken rice rate of low water content according to claim 1, it is characterised in that modification is bright
Glue, the weight ratio of pretreatment paddy are 1-2：60-70.
3. the processing technology of the rice of the low broken rice rate of low water content according to claim 1, it is characterised in that modified gelatin
Prepared using following technique：Gelatin, water are mixed and add single-walled carbon nanotube ultrasonic vibration, vacuum drying, is modified
Gelatin.
4. the processing technology of the rice of the low broken rice rate of low water content according to claim 3, it is characterised in that gelatin, list
The weight ratio of wall carbon nano tube is 2-4：1-2.
5. the processing technology of the rice of the low broken rice rate of low water content according to claim 3, it is characterised in that ultrasonic vibration
During, ultrasonic time 20-40min, ultrasonic power 600-750W.
6. the processing technology of the rice of the low broken rice rate of low water content according to claim 3, it is characterised in that done in vacuum
During dry, true temp is 75-85 DEG C, vacuum drying time 1-3h.
7. the processing technology of the rice of the low broken rice rate of low water content according to claim 1, it is characterised in that in steam plus
In thermal process, vapor (steam) temperature is 300-320 DEG C, steam heating time 3-6s.
8. the processing technology of the rice of the low broken rice rate of low water content according to claim 1, it is characterised in that in hot air drying
During dry, hot-wind-drying time 25-45min, hot blast temperature is 60-70 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786965A (en) * | 2018-06-20 | 2018-11-13 | 贵州省松茂农牧有限公司 | A kind of reduction broken rice rate white rice processing method |
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| KR20020004713A (en) * | 2000-07-07 | 2002-01-16 | 장준호 | Refinement method of rice bran |
| CN1597120A (en) * | 2004-09-14 | 2005-03-23 | 湖南省天龙米业有限公司 | Novel processing technology of high-grade polished rice |
| CN103464235A (en) * | 2013-08-30 | 2013-12-25 | 安徽省稼仙米业集团有限公司 | Rice fine processing process |
| CN105013553A (en) * | 2014-04-23 | 2015-11-04 | 贵州省施秉县黔香米业有限公司 | Method for processing and purifying rice |
| CN105149035A (en) * | 2015-07-09 | 2015-12-16 | 代艳玲 | Long-shaped rice processing method and system |
| CN105536916A (en) * | 2016-02-24 | 2016-05-04 | 连城县永进米业有限公司 | Fine processing technology of rice |
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2017
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Patent Citations (6)
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|---|---|---|---|---|
| KR20020004713A (en) * | 2000-07-07 | 2002-01-16 | 장준호 | Refinement method of rice bran |
| CN1597120A (en) * | 2004-09-14 | 2005-03-23 | 湖南省天龙米业有限公司 | Novel processing technology of high-grade polished rice |
| CN103464235A (en) * | 2013-08-30 | 2013-12-25 | 安徽省稼仙米业集团有限公司 | Rice fine processing process |
| CN105013553A (en) * | 2014-04-23 | 2015-11-04 | 贵州省施秉县黔香米业有限公司 | Method for processing and purifying rice |
| CN105149035A (en) * | 2015-07-09 | 2015-12-16 | 代艳玲 | Long-shaped rice processing method and system |
| CN105536916A (en) * | 2016-02-24 | 2016-05-04 | 连城县永进米业有限公司 | Fine processing technology of rice |
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Application publication date: 20180116 |