CN108837863A - A kind of rice processing technique - Google Patents
A kind of rice processing technique Download PDFInfo
- Publication number
- CN108837863A CN108837863A CN201810884361.5A CN201810884361A CN108837863A CN 108837863 A CN108837863 A CN 108837863A CN 201810884361 A CN201810884361 A CN 201810884361A CN 108837863 A CN108837863 A CN 108837863A
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- Prior art keywords
- rice
- paddy
- impurity
- stone
- processing technique
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B5/00—Grain treatment not otherwise provided for
- B02B5/02—Combined processes
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- Adjustment And Processing Of Grains (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of rice processing techniques, and specific step is as follows：The paddy of harvesting is put into roller receiving sieve and removes the impurity such as straw by screening, and the time is 5-10 seconds；Stone is removed, the paddy after screening in above step is put into stone remover and removes the foreign matters such as mixed soil, sandstone block in paddy, the time is 5-10 seconds；Magnetic separation will go the paddy after stone to be put into magnetic separator and remove the impurity such as iron filings in above step, percentage of impurity is no more than 1%, dries.A kind of rice processing technique of the present invention, by successively screening, removing stone and magnetic separation, all kinds of impurity contained in paddy are effectively filtered out, have cleaned the processing of rice more, increase the clean level of rice, damage of the impurity to processing machine is decreased simultaneously, increases service life, rice grading twice is carried out to rice, reduce broken rice rate, the qualification rate that ensure that rice processing, increases the quality of rice, brings better prospect of the application.
Description
Technical field
The present invention relates to the invention of rice processing technique, improve rice manufacture field traditionally, in particular to it is a kind of big
Rice processing technology.
Background technique
Rice processing is exactly the process for sloughing paddy husk, and paddy seed is made of husk, cortex, embryo and endosperm, paddy
The purpose of processing be with the smallest degree of crushing by endosperm be separately from other sections, be formed with the rice of preferable edible quality, greatly
The nutrition very abundant of rice, is one of main food of Chinese people, to meet the needs of people, needs the processing for rice
Technique constantly improves；
There are certain drawbacks in existing rice processing technique, be not thorough firstly, impurity filters out when in use, and processing rice is dry
Net degree is not high, and process is easy to damage machinery, secondly, broken rice rate is high, processing quality of rice is low, for this purpose,
It is proposed that a kind of rice processing technique.
Summary of the invention
The main purpose of the present invention is to provide a kind of rice processing techniques, can effectively solve asking in background technique
Topic.
To achieve the above object, the technical scheme adopted by the invention is as follows：
A kind of rice processing technique, specific step is as follows：
(1) it screens, the paddy of harvesting is put into roller receiving sieve and removes the impurity such as straw, the time is 5-10 seconds；
(2) stone is removed, the paddy after screening in step (1) is put into stone remover and removes mixed soil, sandstone block in paddy
Equal foreign matters, time are 5-10 seconds；
(3) magnetic separation will go the paddy after stone to be put into magnetic separator and remove impurity, the percentage of impuritys such as iron filings and not surpass in step (2)
Cross 1%；
(4) it dries, the paddy after magnetic separation is spread in drying shed, spread with a thickness of 1-1.5cm, using hot wind to paddy
It is repeatedly dried, until Rice Kernel Moisture Content is 15-17%, is then cooled to room temperature paddy；
(5) paddy after drying is put into hulling machine by decladding, carries out rice decladding；
(6) the rough separation of paddy separates brown rice in the mixture of paddy and husked rice after decladding with unhulled paddy；
(7) thickness is classified, and the brown rice after separation is put into thickness grading machine and removes prematurity grain and broken kernel；
(8) brown rice after classification is put into rice mill and carries out out rough and pearling by husk rice；
(9) rice gradings, the rice by step (8) are put into perfect kernel and imperfect grain point in rice bolter
From；
(10) perfect kernel filtered out in step (9) is put into color selector and removes heterochromatic grain by color sorting；
(11) it polishes, the rice of the heterochromatic grain of removal in step (10) is put into polishing machine, the starch shape of rice surface is made
Collagen layer, extends the shelf life；
(12) secondary rice grading, the rice after polishing in step (11) are put into rice bolter, will be polished
The removing of cracking rice generated in journey, obtains complete rice and packs.
Preferably, the iron filings on magnetic separator magnetite should be removed before step (3) magnetic separation.
Preferably, gap between rubber roller is adjusted in step (5) hulling machine and is no more than 2mm, and husking yield is greater than 75%.
Preferably, the treating capacity of brown rice is 4-6t/h in the step (7).
Preferably, the broken rice rate in the step (9) after bolter is 2.5%.
Preferably, the rice in the step (11) after polishing increases particle no more than 1.5%-2%.
Preferably, the broken rice rate in the step (12) after bolter is no more than 1%.
Compared with prior art, the present invention has the advantages that：
1, by successively screening, removing stone and magnetic separation, all kinds of impurity contained in paddy have effectively been filtered out, have made adding for rice
Work more cleans, and increases the clean level of rice, while decreasing damage of the impurity to processing machine, increases using the longevity
Life；
2, rice grading twice is carried out to rice, reduces broken rice rate, ensure that the qualification rate of rice processing, increased
The quality of rice；
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
(1) it screens, the paddy of harvesting is put into roller receiving sieve and removes the impurity such as straw, the time is 5 seconds；
(2) stone is removed, the paddy after screening in step (1) is put into stone remover and removes mixed soil, sandstone block in paddy
Equal foreign matters, time are 5 seconds；
(3) magnetic separation will be gone the paddy after stone to be put into the impurity such as removing iron filings in magnetic separator, be answered before magnetic separation in step (2)
Remove the iron filings on magnetic separator magnetite, percentage of impurity 1%；
(4) it dries, the paddy after magnetic separation is spread in drying shed, spread with a thickness of 1cm, paddy is carried out using hot wind
It is repeatedly dry, until Rice Kernel Moisture Content is 15%, then paddy is cooled to room temperature；
(5) paddy after drying is put into hulling machine by decladding, is carried out rice decladding, is adjusted between rubber roller in hulling machine
Gap is no more than 2mm, and husking yield is greater than 75%；
(6) the rough separation of paddy separates brown rice in the mixture of paddy and husked rice after decladding with unhulled paddy；
(7) thickness is classified, and the brown rice after separation is put into thickness grading machine and removes prematurity grain and broken kernel, brown rice
Treating capacity is 4t/h；
(8) brown rice after classification is put into rice mill and carries out out rough and pearling by husk rice；
(9) rice gradings, the rice by step (8) are put into perfect kernel and imperfect grain point in rice bolter
From the broken rice rate after bolter is 2.5%；
(10) perfect kernel filtered out in step (9) is put into color selector and removes heterochromatic grain by color sorting；
(11) it polishes, the rice of the heterochromatic grain of removal in step (10) is put into polishing machine, the starch shape of rice surface is made
Collagen layer, extends the shelf life, and the rice after polishing increases particle and is no more than 2%；
(12) secondary rice grading, the rice after polishing in step (11) are put into rice bolter, will be polished
The removing of cracking rice generated in journey, obtains complete rice and packs, and the broken rice rate after bolter is no more than 1%.
Embodiment 2
(1) it screens, the paddy of harvesting is put into roller receiving sieve and removes the impurity such as straw, the time is 7 seconds；
(2) stone is removed, the paddy after screening in step (1) is put into stone remover and removes mixed soil, sandstone block in paddy
Equal foreign matters, time are 7 seconds；
(3) magnetic separation will be gone the paddy after stone to be put into the impurity such as removing iron filings in magnetic separator, be answered before magnetic separation in step (2)
Remove the iron filings on magnetic separator magnetite, percentage of impurity 0.5%；
(4) dry, the paddy after magnetic separation spread in drying shed, spread with a thickness of 1.3cm, using hot wind to paddy into
Row is repeatedly dry, until Rice Kernel Moisture Content is 16%, is then cooled to room temperature paddy；
(5) paddy after drying is put into hulling machine by decladding, is carried out rice decladding, is adjusted between rubber roller in hulling machine
Gap is no more than 2mm, and husking yield is greater than 75%；
(6) the rough separation of paddy separates brown rice in the mixture of paddy and husked rice after decladding with unhulled paddy；
(7) thickness is classified, and the brown rice after separation is put into thickness grading machine and removes prematurity grain and broken kernel, brown rice
Treating capacity is 5t/h；
(8) brown rice after classification is put into rice mill and carries out out rough and pearling by husk rice；
(9) rice gradings, the rice by step (8) are put into perfect kernel and imperfect grain point in rice bolter
From the broken rice rate after bolter is 2.5%；
(10) perfect kernel filtered out in step (9) is put into color selector and removes heterochromatic grain by color sorting；
(11) it polishes, the rice of the heterochromatic grain of removal in step (10) is put into polishing machine, the starch shape of rice surface is made
Collagen layer, extends the shelf life, and the rice after polishing increases particle and is no more than 1.7%；
(12) secondary rice grading, the rice after polishing in step (11) are put into rice bolter, will be polished
The removing of cracking rice generated in journey, obtains complete rice and packs, and the broken rice rate after bolter is no more than 1%.
Embodiment 3
(1) it screens, the paddy of harvesting is put into roller receiving sieve and removes the impurity such as straw, the time is 10 seconds；
(2) stone is removed, the paddy after screening in step (1) is put into stone remover and removes mixed soil, sandstone block in paddy
Equal foreign matters, time are 10 seconds；
(3) magnetic separation will be gone the paddy after stone to be put into the impurity such as removing iron filings in magnetic separator, be answered before magnetic separation in step (2)
Remove the iron filings on magnetic separator magnetite, percentage of impurity 0%；
(4) dry, the paddy after magnetic separation spread in drying shed, spread with a thickness of 1.5cm, using hot wind to paddy into
Row is repeatedly dry, until Rice Kernel Moisture Content is 17%, is then cooled to room temperature paddy；
(5) paddy after drying is put into hulling machine by decladding, is carried out rice decladding, is adjusted between rubber roller in hulling machine
Gap is no more than 2mm, and husking yield is greater than 75%；
(6) the rough separation of paddy separates brown rice in the mixture of paddy and husked rice after decladding with unhulled paddy；
(7) thickness is classified, and the brown rice after separation is put into thickness grading machine and removes prematurity grain and broken kernel, brown rice
Treating capacity is 6t/h；
(8) brown rice after classification is put into rice mill and carries out out rough and pearling by husk rice；
(9) rice gradings, the rice by step (8) are put into perfect kernel and imperfect grain point in rice bolter
From the broken rice rate after bolter is 2.5%；
(10) perfect kernel filtered out in step (9) is put into color selector and removes heterochromatic grain by color sorting；
(11) it polishes, the rice of the heterochromatic grain of removal in step (10) is put into polishing machine, the starch shape of rice surface is made
Collagen layer, extends the shelf life, and the rice after polishing increases particle and is no more than 1.5%；
(12) secondary rice grading, the rice after polishing in step (11) are put into rice bolter, will be polished
The removing of cracking rice generated in journey, obtains complete rice and packs, and the broken rice rate after bolter is no more than 1%.
Table 1 is the contrasting detection of each data in procedure of processing in embodiment 1-3 rice processing and implementation, and testing result is as follows
Table：
By 1 experimental data of table it is found that percentage of impurity gradually decreases, by successively sieving with screening and the increase for going the stone time
It selects, remove stone and magnetic separation, effectively filtered out all kinds of impurity contained in paddy, cleaned the processing of rice more, increase big
The clean level of rice, while damage of the impurity to processing machine is decreased, increase service life；And two are carried out to rice
Secondary rice grading, reduces broken rice rate, ensure that the qualification rate of rice processing, increases the quality of rice, as shown in Table 1
Three groups of embodiments increase the clean level of rice, reduce broken rice rate, ensure that the qualification rate of rice processing, wherein
Embodiment 3 is optimal selection.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of rice processing technique, it is characterised in that：Specific step is as follows：
(1) it screens, the paddy of harvesting is put into roller receiving sieve and removes the impurity such as straw, the time is 5-10 seconds；
(2) stone is removed, the paddy after screening in step (1) is put into stone remover to remove mixed soil, sandstone block etc. in paddy different
Object, time are 5-10 seconds；
(3) magnetic separation will go the paddy after stone to be put into magnetic separator and remove impurity, the percentage of impuritys such as iron filings and be no more than in step (2)
1%；
(4) it dries, the paddy after magnetic separation is spread in drying shed, spread with a thickness of 1-1.5cm, paddy is carried out using hot wind
It is repeatedly dry, until Rice Kernel Moisture Content is 15-17%, then paddy is cooled to room temperature；
(5) paddy after drying is put into hulling machine by decladding, carries out rice decladding；
(6) the rough separation of paddy separates brown rice in the mixture of paddy and husked rice after decladding with unhulled paddy；
(7) thickness is classified, and the brown rice after separation is put into thickness grading machine and removes prematurity grain and broken kernel；
(8) brown rice after classification is put into rice mill and carries out out rough and pearling by husk rice；
(9) rice gradings, the rice by step (8), which is put into rice bolter, separates perfect kernel with imperfect grain；
(10) perfect kernel filtered out in step (9) is put into color selector and removes heterochromatic grain by color sorting；
(11) it polishes, the rice of the heterochromatic grain of removal in step (10) is put into polishing machine, the Starch formation glue of rice surface is made
Matter layer, extends the shelf life；
(12) secondary rice grading, the rice after polishing in step (11) are put into rice bolter, will be in polishing process
The removing of cracking rice generated, obtains complete rice and packs.
2. a kind of rice processing technique according to claim 1, it is characterised in that：It should be clear before step (3) magnetic separation
Except the iron filings on magnetic separator magnetite.
3. a kind of rice processing technique according to claim 1, it is characterised in that：It is adjusted in step (5) hulling machine
Gap is no more than 2mm between rubber roller, and husking yield is greater than 75%.
4. a kind of rice processing technique according to claim 1, it is characterised in that：The processing of brown rice in the step (7)
Amount is 4-6t/h.
5. a kind of rice processing technique according to claim 1, it is characterised in that：Pass through bolter in the step (9)
Broken rice rate afterwards is 2.5%.
6. a kind of rice processing technique according to claim 1, it is characterised in that：In the step (11) after polishing
Rice increase particle be no more than 1.5%-2%.
7. a kind of rice processing technique according to claim 1, it is characterised in that：Pass through bolter in the step (12)
Broken rice rate afterwards is no more than 1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884361.5A CN108837863A (en) | 2018-08-06 | 2018-08-06 | A kind of rice processing technique |
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|---|---|---|---|
| CN201810884361.5A CN108837863A (en) | 2018-08-06 | 2018-08-06 | A kind of rice processing technique |
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| CN108837863A true CN108837863A (en) | 2018-11-20 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759175A (en) * | 2018-11-23 | 2019-05-17 | 颍上县迪沟米业有限公司 | A kind of glutinous rice processing technology |
| CN111545275A (en) * | 2020-05-13 | 2020-08-18 | 湖南天知香米业有限公司 | Rice processing technology |
| CN111672554A (en) * | 2020-06-04 | 2020-09-18 | 湖南省天天来米业有限公司 | Refined rice processing method capable of reducing broken rice rate |
| CN111992482A (en) * | 2020-08-20 | 2020-11-27 | 芷江凯丰米业有限公司 | Rice processing method and equipment |
| CN112221558A (en) * | 2020-10-30 | 2021-01-15 | 惠州市年年丰实业有限公司 | Rice finish machining cold polishing process |
| CN112452386A (en) * | 2020-12-03 | 2021-03-09 | 颍上县阜淮米业有限责任公司 | Rice processing technology |
| CN113786882A (en) * | 2021-09-09 | 2021-12-14 | 唐山泽恩米业有限公司 | Rice multistage screening and fine processing technology |
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| JPH09276722A (en) * | 1996-04-12 | 1997-10-28 | Satake Eng Co Ltd | Raw material supplying device of rice husking and milling machine |
| CN105728087A (en) * | 2016-03-25 | 2016-07-06 | 汉寿县华鑫米业有限责任公司 | Rice production and processing technology |
| CN108043494A (en) * | 2017-12-11 | 2018-05-18 | 湖南金之香米业有限公司 | A kind of high-quality environmentally friendly rice method for producing |
| CN207385552U (en) * | 2017-10-26 | 2018-05-22 | 黄梅县永盛米业有限公司 | It is a kind of to reduce the rice production system cracked rice |
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2018
- 2018-08-06 CN CN201810884361.5A patent/CN108837863A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09276722A (en) * | 1996-04-12 | 1997-10-28 | Satake Eng Co Ltd | Raw material supplying device of rice husking and milling machine |
| CN105728087A (en) * | 2016-03-25 | 2016-07-06 | 汉寿县华鑫米业有限责任公司 | Rice production and processing technology |
| CN207385552U (en) * | 2017-10-26 | 2018-05-22 | 黄梅县永盛米业有限公司 | It is a kind of to reduce the rice production system cracked rice |
| CN108043494A (en) * | 2017-12-11 | 2018-05-18 | 湖南金之香米业有限公司 | A kind of high-quality environmentally friendly rice method for producing |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759175A (en) * | 2018-11-23 | 2019-05-17 | 颍上县迪沟米业有限公司 | A kind of glutinous rice processing technology |
| CN111545275A (en) * | 2020-05-13 | 2020-08-18 | 湖南天知香米业有限公司 | Rice processing technology |
| CN111672554A (en) * | 2020-06-04 | 2020-09-18 | 湖南省天天来米业有限公司 | Refined rice processing method capable of reducing broken rice rate |
| CN111992482A (en) * | 2020-08-20 | 2020-11-27 | 芷江凯丰米业有限公司 | Rice processing method and equipment |
| CN111992482B (en) * | 2020-08-20 | 2022-03-11 | 芷江凯丰米业有限公司 | Rice processing method and equipment |
| CN112221558A (en) * | 2020-10-30 | 2021-01-15 | 惠州市年年丰实业有限公司 | Rice finish machining cold polishing process |
| CN112452386A (en) * | 2020-12-03 | 2021-03-09 | 颍上县阜淮米业有限责任公司 | Rice processing technology |
| CN113786882A (en) * | 2021-09-09 | 2021-12-14 | 唐山泽恩米业有限公司 | Rice multistage screening and fine processing technology |
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Application publication date: 20181120 |