CN111672555A - Processing technology of water-milled rice - Google Patents
Processing technology of water-milled rice Download PDFInfo
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- CN111672555A CN111672555A CN202010693960.6A CN202010693960A CN111672555A CN 111672555 A CN111672555 A CN 111672555A CN 202010693960 A CN202010693960 A CN 202010693960A CN 111672555 A CN111672555 A CN 111672555A
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- rice
- grains
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- bevel gear
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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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- 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
- B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
- B02B3/04—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers
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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
- B02B7/00—Auxiliary devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B7/00—Water wheels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Adjustment And Processing Of Grains (AREA)
Abstract
The application discloses processing technology of water-milled rice in the technical field of rice processing, which comprises the following steps: step one, raw grain treatment; step two, impurity removal: screening the dried raw grains by using a screening machine, removing large-volume stones and impurities in the raw grains to obtain clean grains, wherein the content of stones in each kilogram of clean grains is less than 1 grain; step three, primary grinding: putting the clean rice into a rice milling device, milling the rice to enable rice bran to fall off; step four, fine grinding: putting the primarily ground clean grains into a stone mill for milling; removing rice bran attached to the surfaces of the rice grains to obtain rice; step five, grading: screening the milled rice in the fourth step by using vibrating screens with different apertures to ensure that the rice grains of the rice are similar in size and same in quality; step six, manual screening: the quality of rice is guaranteed by manually screening abnormal rice grains. The scheme solves the problem that rice grains are easy to break to cause rice billets to fall off from the rice grains in the existing rice processing.
Description
Technical Field
The invention relates to the technical field of rice processing, in particular to a processing technology of water-milled rice.
Background
The rice is a finished product prepared by the working procedures of rice cleaning, rice hulling, rice milling, finished product finishing and the like. The rice milling is that the brown rice is milled by a rice mill, the husked rice is rubbed to separate the cortex from the endosperm, and then the treatments of rice brushing, bran removal, crushing, rice airing and the like are carried out. The existing rice processing method adopts mechanical processing, and the mechanical processing is driven by a motor to operate, so that the force is high during bran removal, the processed rice has more broken rice, the quality of the rice is poor, the screened broken rice is more, and the yield of high-quality rice is influenced. Meanwhile, because the broken rice is more, more rice billets fall off from the rice grains. The rice embryo is the essence of rice, is the meristem of rice, is rich in nutrients necessary for life movement, is rich in more than ten bioactive components, and is an extremely thick natural nutrient source. Therefore, it is important to retain the rice dough on the rice grains during the processing of rice.
Disclosure of Invention
The invention aims to provide a processing technology of water-milled rice, which aims to solve the problem that rice grains are easy to break to cause rice billets to fall off from the rice grains in the existing rice processing.
In order to solve the technical problems, the invention provides the following technical scheme: a processing technology of water-milled rice comprises the following steps:
step one, raw grain treatment: firstly, primary screening is carried out on raw grains, dust and stones in the raw grains are removed, then the raw grains are primarily washed, and the primarily washed raw grains are dried after the primary washing is finished;
step two, impurity removal: screening the dried raw grains by using a screening machine, removing large-volume stones and impurities in the raw grains to obtain clean grains, wherein the content of stones in each kilogram of clean grains is less than 1 grain;
step three, primary grinding: putting the clean rice into a rice milling device, milling the rice to enable rice bran to fall off;
step four, fine grinding: putting the primarily ground clean grains into a stone mill for milling; removing rice bran attached to the surfaces of the rice grains to obtain rice;
step five, grading: screening the milled rice in the fourth step by using vibrating screens with different apertures to ensure that the rice grains of the rice are similar in size and same in quality;
step six, manual screening: the quality of rice is guaranteed by manually screening abnormal rice grains.
The invention has the following working principle and beneficial effects: this scheme is carried out the prescreening and is washed just to former grain earlier, removes dust, stone and other debris in the former grain, cleans the raw materials and reduces the quality of rice in having a large amount of dust and debris to sneak into the rice when avoiding later stage processing, then dries former grain, removes unnecessary moisture. And then, removing impurities from the raw grains by the step II, so that less than one stone is contained in each kilogram of clean grains. Then the clean rice in the second step is put on a grinding disc, the waterwheel is driven to rotate by the flowing of water, the waterwheel drives a driving shaft fixedly connected with the waterwheel to rotate when rotating, the driving shaft drives a driving bevel gear to rotate when rotating, the driving bevel gear drives a driving bevel gear meshed with the driving bevel gear to rotate when rotating, the driving bevel gear drives a driving shaft to rotate when rotating, the driving shaft drives the driving bevel gear at the top end of the driving shaft to rotate when rotating, as the driving shaft is sleeved with a sleeve, one end of a stone roller is fixedly connected with the sleeve, a rotating shaft is fixedly connected on a round mandrel of the stone roller, one end of the rotating shaft far away from the stone roller penetrates through the sleeve and is fixedly connected with the rotating bevel gear, the rotating bevel gear is meshed with the driving bevel gear, the driving bevel gear at the top end of the rotating shaft drives the rotating shaft to rotate when rotating, the rotating shaft drives the, and then milling the clean rice on the milling disc, grinding off the rice bran attached to the rice grains through fine milling in the fourth step to obtain finished rice, and finally sorting the rice with different grain sizes through vibrating screens with different apertures to obtain the rice with different grades.
This scheme drives the rotation that the stone ground was driven to the rotation of waterwheel through the flow of water and mills former grain, and the rotational speed is slow when so when the husk rice is difficult to smash the grain of rice owing to drive the stone through the waterwheel and grind the rotation, so the rice base just can not drop from the grain of rice for the clean and nutritive value of the rice that processes out is high.
Furthermore, the rice milling device in the third step comprises a waterwheel, a stone roller and a roller, wherein the center of the roller is rotatably connected with a vertical transmission shaft, two ends of the transmission shaft are respectively positioned above and below the roller, two ends of the transmission shaft are both fixedly connected with a transmission bevel gear, the transmission shaft is sleeved with a sleeve, the sleeve and the sleeve are positioned above the roller, one end of the stone roller is fixedly connected with the sleeve, a rotating shaft is fixedly connected with a round center shaft of the stone roller, one end of the rotating shaft, which is far away from the stone roller, penetrates through the sleeve and is positioned in the sleeve, the end of the rotating shaft is fixedly connected with a rotating bevel gear, and the rotating bevel gear is meshed with the transmission bevel; the driving shaft is fixedly connected to the waterwheel, one end, far away from the waterwheel, of the driving shaft is fixedly connected with a driving bevel gear, and the driving bevel gear is meshed with a transmission bevel gear below the grinding disc.
And further, before primary grinding in the third step, drying the clean grains in the second step for 2-3 minutes by using an air heater. The aim is to reduce the moisture content of the rice bran by the hot air blower, so that the rice bran becomes crisp and is convenient for rolling and shelling.
Furthermore, a plurality of grooves are uniformly distributed on the stone roller and the rolling disc. Its purpose is through the recess increase stone roll with clean the frictional force between the millet, be convenient for fall the rice bran.
And furthermore, sieving the rice by using a fine mesh screen after manual screening in the step six, wherein a dust suction device is arranged below the fine mesh screen. The purpose is to further ensure the quality of rice by sucking the rice flour in the rice through a dust suction device.
Further, the stone roll is made of marble. The stone roller made of marble is firm, and is not easy to be broken and to drop slag and dust in the rice milling process.
Drawings
Fig. 1 is a schematic structural view of a rice milling device in the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a stone roller 1, a limiting plate 2, a roller 3, a driving shaft 4, a driving bevel gear 5, a transmission bevel gear 6, a transmission shaft 7, a sleeve 8, a rotating bevel gear 9 and a rotating shaft 10.
The embodiment is basically as shown in the attached figure 1:
a processing technology of water-milled rice comprises the following steps:
step one, raw grain treatment: firstly, primary screening is carried out on raw grains, dust and stones in the raw grains are removed, then the raw grains are primarily washed, and the primarily washed raw grains are dried after the primary washing is finished;
step two, impurity removal: screening the dried raw grains by using a screening machine, removing large-volume stones and impurities in the raw grains to obtain clean grains, wherein the content of stones in each kilogram of clean grains is less than 1 grain;
step three, primary grinding: and (3) before primary grinding, drying the clean rice in the step two for 2-3 minutes by using an air heater, and then putting the clean rice into a rice milling device for milling rice to enable rice bran to fall off.
Step four, fine grinding: putting the primarily ground clean grains into a stone mill for milling; removing rice bran attached to the surfaces of the rice grains to obtain rice;
step five, grading: screening the milled rice in the fourth step by using vibrating screens with different apertures to ensure that the rice grains of the rice are similar in size and same in quality;
step six, manual screening: the quality of rice is guaranteed by manually screening abnormal rice grains.
Step seven, removing powder: sift through the fine mesh screen for the rice after carrying out the manual work screening, the below of fine mesh screen is equipped with dust extraction, absorbs the rice flour in the rice through dust extraction.
The rice milling device in the third step is shown in an attached drawing 1, and comprises a waterwheel, a stone roller 1 made of marble and a grinding disc 3 made of marble, wherein a plurality of grooves are uniformly distributed on the stone roller 1 and the grinding disc 3, a limiting plate 2 is annularly arranged on the circumference of the grinding disc 3, a vertical transmission shaft 7 is rotatably connected to the center of the grinding disc 3, two ends of the transmission shaft 7 are respectively positioned above and below the grinding disc 3, a transmission bevel gear 6 is fixedly connected to two ends of the transmission shaft 7, a sleeve 8 is sleeved on the transmission shaft 7, the sleeve 8 and the sleeve 8 are positioned above the grinding disc 3, one end of the stone roller 1 is fixedly connected with a sleeve 8, a rotating shaft 10 is fixedly connected to the round center shaft of the stone roller 1, one end of the rotating shaft 10, far away from the stone roller 1, penetrates through the sleeve 8 and is positioned in the sleeve 8, the end of the rotating shaft 10 is fixedly connected with a rotating; fixedly connected with drive shaft 4 on the waterwheel, the one end fixedly connected with drive bevel gear 5 that the waterwheel was kept away from to drive shaft 4, drive bevel gear 5 and the meshing of drive bevel gear 6 of rolling 3 below.
The specific implementation process of the rice milling device is as follows:
putting the clean rice in the step two on a grinding disc 3, driving a waterwheel to rotate through the flow of water, driving a driving shaft 4 fixedly connected with the waterwheel to rotate when the waterwheel rotates, driving a driving bevel gear 5 to rotate when the driving shaft 4 rotates, driving a transmission bevel gear 6 meshed with the driving bevel gear 5 to rotate when the driving bevel gear 5 rotates, driving a transmission shaft 7 to rotate when the transmission bevel gear 6 rotates, driving the transmission bevel gear 6 at the top end of the transmission shaft 7 to rotate when the transmission shaft 7 rotates, wherein a sleeve 8 is sleeved on the transmission shaft 7, one end of a stone roller 1 is fixedly connected with the sleeve 8, a rotating shaft 10 is fixedly connected on a circular mandrel of the stone roller 1, one end of the rotating shaft 10 far away from the stone roller 1 penetrates through the sleeve 8 and is fixedly connected with a rotating bevel gear 9, the rotating bevel gear 9 is meshed with the transmission bevel gear 6, so that the driving bevel gear 9 at the top end of the rotating shaft, when the rotating shaft 10 rotates, the stone roller 1 is driven to rotate on the roller base 3 by taking the sleeve 8 as a circle center, and then the clean grain on the roller base 3 is milled.
Claims (6)
1. A processing technology of water-milled rice is characterized in that: the method comprises the following steps:
step one, raw grain treatment: firstly, primary screening is carried out on raw grains, dust and stones in the raw grains are removed, then the raw grains are primarily washed, and the primarily washed raw grains are dried after the primary washing is finished;
step two, impurity removal: screening the dried raw grains by using a screening machine, removing large-volume stones and impurities in the raw grains to obtain clean grains, wherein the content of stones in each kilogram of clean grains is less than 1 grain;
step three, primary grinding: putting the clean rice into a rice milling device, milling the rice to enable rice bran to fall off;
step four, fine grinding: putting the primarily ground clean grains into a stone mill for milling; removing rice bran attached to the surfaces of the rice grains to obtain rice;
step five, grading: screening the milled rice in the fourth step by using vibrating screens with different apertures to ensure that the rice grains of the rice are similar in size and same in quality;
step six, manual screening: the quality of rice is guaranteed by manually screening abnormal rice grains.
2. The processing technology of water-milled rice according to claim 1, characterized in that: the rice milling device in the third step comprises a waterwheel, a stone roller and a roller, wherein the center of the roller is rotatably connected with a vertical transmission shaft, two ends of the transmission shaft are respectively positioned above and below the roller, the two ends of the transmission shaft are both fixedly connected with a transmission bevel gear, a sleeve is sleeved on the transmission shaft, the sleeve and the sleeve are positioned above the roller, one end of the stone roller is fixedly connected with the sleeve, a rotating shaft is fixedly connected with the round center shaft of the stone roller, one end of the rotating shaft, which is far away from the stone roller, penetrates through the sleeve and is positioned in the sleeve, the end of the rotating shaft is fixedly connected with a rotation bevel gear, and the rotation bevel gear is meshed with the; the driving shaft is fixedly connected to the waterwheel, one end, far away from the waterwheel, of the driving shaft is fixedly connected with a driving bevel gear, and the driving bevel gear is meshed with a transmission bevel gear below the grinding disc.
3. The processing technology of water-milled rice according to claim 2, characterized in that: and (5) drying the clean grains in the step two for 2-3 minutes by using an air heater before primary grinding in the step three.
4. The process for processing water-milled rice according to claim 3, wherein the process comprises the following steps: and a plurality of grooves are uniformly distributed on the stone roller and the grinding disc.
5. The process for processing water-milled rice as claimed in claim 4, wherein: and step six, sieving the rice by using a fine mesh screen after manual screening, wherein a dust suction device is arranged below the fine mesh screen.
6. The process for processing water-milled rice according to claim 5, wherein the process comprises the following steps: the stone roll is made of marble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010693960.6A CN111672555A (en) | 2020-07-17 | 2020-07-17 | Processing technology of water-milled rice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010693960.6A CN111672555A (en) | 2020-07-17 | 2020-07-17 | Processing technology of water-milled rice |
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| CN111672555A true CN111672555A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010693960.6A Pending CN111672555A (en) | 2020-07-17 | 2020-07-17 | Processing technology of water-milled rice |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10272423A (en) * | 1997-03-31 | 1998-10-13 | Tiger Kawashima Co Ltd | Grain sorting device |
| CN102527459A (en) * | 2011-12-26 | 2012-07-04 | 袁英 | Stone-milling rice production line processing technique, and production line |
| CN103752366A (en) * | 2014-02-19 | 2014-04-30 | 宁夏吴忠市永波粮油有限公司 | Rice-finishing production process |
| CN104668021A (en) * | 2015-03-10 | 2015-06-03 | 安徽天利粮油集团股份有限公司 | Rice screening method |
| CN206075699U (en) * | 2016-08-10 | 2017-04-05 | 唐泽修 | A kind of water conservancy machinery exhibiting device |
| CN107597241A (en) * | 2017-09-29 | 2018-01-19 | 贵州神农米业有限公司 | A kind of processing technology of rice |
| CN110479401A (en) * | 2019-09-18 | 2019-11-22 | 安徽省淏天农业科技有限公司 | A kind of processing technology of organic rice |
-
2020
- 2020-07-17 CN CN202010693960.6A patent/CN111672555A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10272423A (en) * | 1997-03-31 | 1998-10-13 | Tiger Kawashima Co Ltd | Grain sorting device |
| CN102527459A (en) * | 2011-12-26 | 2012-07-04 | 袁英 | Stone-milling rice production line processing technique, and production line |
| CN103752366A (en) * | 2014-02-19 | 2014-04-30 | 宁夏吴忠市永波粮油有限公司 | Rice-finishing production process |
| CN104668021A (en) * | 2015-03-10 | 2015-06-03 | 安徽天利粮油集团股份有限公司 | Rice screening method |
| CN206075699U (en) * | 2016-08-10 | 2017-04-05 | 唐泽修 | A kind of water conservancy machinery exhibiting device |
| CN107597241A (en) * | 2017-09-29 | 2018-01-19 | 贵州神农米业有限公司 | A kind of processing technology of rice |
| CN110479401A (en) * | 2019-09-18 | 2019-11-22 | 安徽省淏天农业科技有限公司 | A kind of processing technology of organic rice |
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Application publication date: 20200918 |
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| RJ01 | Rejection of invention patent application after publication |