CN113000094A - Rice fine processing technology - Google Patents
Rice fine processing technology Download PDFInfo
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- CN113000094A CN113000094A CN202110238638.9A CN202110238638A CN113000094A CN 113000094 A CN113000094 A CN 113000094A CN 202110238638 A CN202110238638 A CN 202110238638A CN 113000094 A CN113000094 A CN 113000094A
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- rice
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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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Abstract
The invention discloses a rice fine processing technology in the field of health food processing, which comprises the following steps of S1: screening and removing impurities; s2: cleaning grains; s3: drying and cooling; s4: shelling; s5: separating the rough rice; s6: moistening brown rice with water; s7: milling rice; s8: grading the white rice; s9: color selection and polishing; s10: sterilizing and drying; s11: packing is preserved, this rice finish machining technology is through the husky separation back of millet, carry out the moist processing to brown rice, increase the moisture content of brown rice, use rubber roll rice huller to unshell and slowly thresh at the shelling in-process simultaneously, and cool down, avoid long-time work and high temperature too high to cause the easy waist of rice grain to explode, and carry out the secondary through sand roll rice huller and iron rod rice machine and grind, broken rice is less, it is high to go out the rice rate, through carrying out sodium hypochlorite solution to the rice and condense in soaking and the electrocoagulation equipment, it gets rid of to condense As microelement in the rice, ensure that food is edible healthy.
Description
Technical Field
The invention relates to the field of food processing, in particular to a rice fine processing technology.
Background
Rice, also known as rice, is a food made from rice through the processes of cleaning, hulling, milling, finishing and the like. The rice contains nearly 64 percent of nutrient substances in the rice and more than 90 percent of nutrient elements required by human bodies, and is a main food for people in most areas of China.
In the fine processing process of the existing rice, due to the influence of the processing technology, a large amount of broken rice and half rice are easy to generate, the rice yield is low, the grains and the rice are wasted, the rice contains rich trace elements, but the rice may contain As elements harmful to human bodies, and the rice has great harm to the human bodies after being taken in a large amount.
Disclosure of Invention
The invention aims to provide a rice finish machining process, which aims to solve the problems that a large amount of broken rice and half rice are easily generated due to the influence of a processing process in the existing rice finish machining process in the background technology, the rice yield is not high, the grain rice is wasted and contains abundant trace elements, but at the same time, the grain rice possibly contains As elements harmful to human bodies, and the human bodies are greatly injured after a large amount of As elements are ingested.
In order to achieve the purpose, the invention provides the following technical scheme: a rice fine processing technology comprises the following steps:
s1: screening and impurity removing: placing the rice in a roller pre-cleaning sieve, and removing straw, dust and shrivelled rice in the rice;
s2: cleaning grains: placing the rice in a grain cleaning machine to remove sand, iron chips and other metal impurities;
s3: drying and cooling: placing the paddy in a tower type dryer for circular drying at the temperature of 50-70 ℃, closing the dryer after the paddy is heated and dried for 10min, naturally placing for 1-2h, detecting the moisture of the paddy by a moisture tester until the moisture of the paddy is 14% -15%, placing in a water pipe type heat exchanger after drying, and performing auxiliary cooling by cooling air;
s4: shelling: placing the paddy in a rubber roller rice huller for hulling;
s5: separating the rough rice: placing the unhulled rice in a rice-husking separator for rice-husking separation, wherein the separation rate is more than 99 percent, and obtaining brown rice;
s6: moistening the brown rice with water: sending the brown rice into an automatic wetting machine, uniformly supplementing water in a water mist form, and detecting the water of the brown rice by a water content detector until the water content is increased to 16-17%;
s7: rice milling: placing the brown rice into a sand-roller rice machine for primary grinding, and then performing secondary grinding in an iron-roller rice machine to obtain white rice;
s8: grading the white rice: putting the rice into a rice separating sieve to separate complete rice grains and broken rice;
s9: color selection and polishing: and (4) placing the rice in a color selector, and removing the heterochromatic rice. Then putting the mixture into a polishing machine for polishing;
s10: and (3) sterilization and drying: soaking rice in sodium hypochlorite solution, coagulating in electrocoagulation equipment, cleaning with clear water, and drying in a dryer until the water content of rice is lower than 14%;
s11: packaging and storing: and putting the rice into a packaging bag, vacuumizing, packaging and sealing, and finally putting the rice into a cool, dry and ventilated warehouse for storage.
Preferably, the step of S4: shelling: in the hulling process, the rubber roller huller is closed for 40-60min every time the rubber roller huller is processed for 10min, and is matched with a fan for cooling, wherein the rubber roller huller adopts an EPDM high-wear-resistant rubber roller.
Preferably, the step of S6: moistening the brown rice with water: the moistened rice needs to be placed in a rice bin for 9-11 h.
Preferably, the step of S10: the concentration of the sodium hypochlorite solution in the sterilization and drying process is 100-120 ppm.
Compared with the prior art, the invention has the beneficial effects that: this rice fine processing technology, after separating through the millet brown rice, carry out the moist processing to brown rice, increase the moisture content of brown rice, use rubber roll rice huller to unshelling and slowly thresh simultaneously at the shelling in-process, and cool down, avoid long-time work and high temperature too high to cause the easy waist of rice grain to explode, and carry out the secondary through sand roll rice huller and iron rod rice huller and grind, broken rice is less, it is high to go out the rice rate, through carrying out sodium hypochlorite solution to the rice and soaking and condense in the electrocoagulation equipment, condense and get rid of As microelement in the rice, ensure that food is edible healthy.
Detailed Description
The technical solutions in the following embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A rice fine processing technology comprises the following steps: placing paddy in a roller primary cleaning sieve to remove straw, dust and shriveled paddy, placing the paddy in a grain cleaning machine to remove gravel, iron chips and other metal impurities, placing the paddy in a tower type dryer to be circularly dried at the temperature of 50 ℃, closing the dryer when the paddy is heated and dried for 10min, naturally placing the paddy for 1h, detecting the moisture of the paddy by a moisture tester until the paddy is 14% until the paddy is dried, placing the paddy in a water pipe type heat exchanger to be subjected to auxiliary cooling by cooling air after the drying is finished, placing the paddy in a rubber roller rice huller to be hulled, closing the rubber roller rice huller for 40min when the rubber roller rice huller is processed for 10min in the hulling process, cooling by a fan, placing the hulled paddy in a paddy huller to be subjected to rough grain separation with the separation rate of more than 99 percent to obtain brown rice, sending the brown rice into an automatic huller, uniformly supplementing water in the form of water mist, detecting the water content of the brown rice by a water content tester until the water content is increased to 16%, placing the moistened rice in a rice bin for 9 hours, placing the brown rice in a sand-roll rice mill for primary grinding, then performing secondary grinding in an iron-roll rice mill to obtain white rice, placing the white rice in a white rice separation sieve to separate complete rice grains and broken rice, placing the rice in a sodium hypochlorite solution with the concentration of 100ppm for soaking, placing the rice in an electrocoagulation device for coagulation, washing the rice with clear water, finally placing the rice in a dryer for drying until the water content of the rice is lower than 14%, finally placing the rice in a packaging bag for vacuumizing, packaging and sealing, and placing the rice in a cool, dry and ventilated warehouse for storage.
Example 2
A rice fine processing technology comprises the following steps: placing paddy in a roller primary cleaning sieve to remove straw, dust and shriveled paddy, placing the paddy in a grain cleaning machine to remove gravel, iron chips and other metal impurities, placing the paddy in a tower type dryer to be circularly dried at the temperature of 60 ℃, closing the dryer after the paddy is heated and dried for 10min, naturally placing for 1.5h, detecting the moisture of the paddy by a moisture tester until the water content of the paddy is 14.5%, placing the paddy in a water pipe type heat exchanger after the drying is finished, carrying out auxiliary cooling by cooling air, placing the paddy in a rubber roller rice huller to be hulled, closing the rubber roller rice huller for 50min after the rubber roller rice huller is processed for 10min in the hulling process, cooling by a fan, placing the hulled paddy in a paddy huller to be hulled, separating the grain with the separation rate of more than 99%, obtaining brown rice, sending the brown rice into an automatic wetting machine, uniformly supplementing water in the form of water mist, detecting the water content of the brown rice by a water content tester until the water content is increased to 16.5%, placing the moistened rice in a rice bin for 10 hours, placing the brown rice in a sand-roller rice mill for primary grinding, then performing secondary grinding in an iron-roller rice mill to obtain white rice, placing the white rice in a white rice separation sieve to separate complete rice grains and broken rice, placing the rice in a sodium hypochlorite solution with the concentration of 110ppm for soaking, placing the rice in an electrocoagulation device for coagulation, washing the rice with clear water, finally placing the rice in a dryer for drying until the water content of the rice is lower than 14%, finally placing the rice in a packaging bag, vacuumizing, packaging and sealing, and placing the rice in a cool, dry and ventilated warehouse for storage.
Example 3
A rice fine processing technology comprises the following steps: placing paddy in a roller primary cleaning sieve to remove straw, dust and shriveled paddy in the paddy, placing the paddy in a grain cleaning machine to remove gravel, iron chips and other metal impurities, placing the paddy in a tower type dryer to be circularly dried at the temperature of 70 ℃, closing the dryer when the paddy is heated and dried for 10min, naturally placing the paddy for 2h, detecting the moisture of the paddy by a moisture tester until the paddy is 15%, placing the paddy in a water pipe type heat exchanger to be subjected to auxiliary cooling by cooling air after the drying is finished, placing the paddy in a rubber roller rice huller to be hulled, closing the rubber roller rice huller for 60min when the rubber roller rice huller is processed for 10min in the hulling process, cooling by a fan, placing the hulled paddy in a paddy huller to be subjected to rough grain separation with the separation rate of more than 99%, obtaining the brown rice, sending the brown rice into an automatic huller, uniformly supplementing water in the form of water mist, detecting the water content of the brown rice by a water content tester until the water content is increased to 17%, placing the moistened rice in a rice bin for 11h, placing the brown rice in a sand-roll rice mill for primary grinding, then performing secondary grinding in an iron-roll rice mill to obtain white rice, placing the white rice in a white rice separation sieve to separate complete rice grains and broken rice, placing the rice in a sodium hypochlorite solution with the concentration of 120ppm for soaking, placing the rice in an electrocoagulation device for coagulation, washing the rice with clear water, finally placing the rice in a dryer for drying until the water content of the rice is lower than 14%, finally placing the rice in a packaging bag for vacuumizing, packaging and sealing, and placing the rice in a cool, dry and ventilated warehouse for storage.
According to the preparation method, after the brown rice is separated from the rice, the brown rice is subjected to water moistening treatment, the water content of the brown rice is increased, meanwhile, a rubber roll rice huller is used for hulling and tempering in the hulling process, the temperature is reduced, the phenomenon that rice grains are easy to waist explode due to long-time work and overhigh high temperature is avoided, secondary grinding is performed through a sand roll rice huller and an iron roll rice huller, broken rice is few, the rice yield is high, and the As trace elements in the rice are removed through condensation in sodium hypochlorite solution soaking and electrocoagulation equipment of the rice, so that the edible health of food is ensured.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. A rice fine processing technology is characterized by comprising the following steps:
s1: screening and impurity removing: placing the rice in a roller pre-cleaning sieve, and removing straw, dust and shrivelled rice in the rice;
s2: cleaning grains: placing the rice in a grain cleaning machine to remove sand, iron chips and other metal impurities;
s3: drying and cooling: placing the paddy in a tower type dryer for circular drying at the temperature of 50-70 ℃, closing the dryer after the paddy is heated and dried for 10min, naturally placing for 1-2h, detecting the moisture of the paddy by a moisture tester until the moisture of the paddy is 14% -15%, placing in a water pipe type heat exchanger after drying, and performing auxiliary cooling by cooling air;
s4: shelling: placing the paddy in a rubber roller rice huller for hulling;
s5: separating the rough rice: placing the unhulled rice in a rice-husking separator for rice-husking separation, wherein the separation rate is more than 99 percent, and obtaining brown rice;
s6: moistening the brown rice with water: sending the brown rice into an automatic wetting machine, uniformly supplementing water in a water mist form, and detecting the water of the brown rice by a water content detector until the water content is increased to 16-17%;
s7: rice milling: placing the brown rice into a sand-roller rice machine for primary grinding, and then performing secondary grinding in an iron-roller rice machine to obtain white rice;
s8: grading the white rice: putting the rice into a rice separating sieve to separate complete rice grains and broken rice;
s9: color selection and polishing: and (4) placing the rice in a color selector, and removing the heterochromatic rice. Then putting the mixture into a polishing machine for polishing;
s10: and (3) sterilization and drying: soaking rice in sodium hypochlorite solution, coagulating in electrocoagulation equipment, cleaning with clear water, and drying in a dryer until the water content of rice is lower than 14%;
s11: packaging and storing: and putting the rice into a packaging bag, vacuumizing, packaging and sealing, and finally putting the rice into a cool, dry and ventilated warehouse for storage.
2. A rice finishing process according to claim 1, characterized in that: the S4: shelling: in the hulling process, the rubber roller huller is closed for 40-60min every time the rubber roller huller is processed for 10min, and is matched with a fan for cooling, wherein the rubber roller huller adopts an EPDM high-wear-resistant rubber roller.
3. A rice finishing process according to claim 1, characterized in that: the S6: moistening the brown rice with water: the moistened rice needs to be placed in a rice bin for 9-11 h.
4. A rice finishing process according to claim 1, characterized in that: the S10: the concentration of the sodium hypochlorite solution in the sterilization and drying process is 100-120 ppm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238638.9A CN113000094A (en) | 2021-03-04 | 2021-03-04 | Rice fine processing technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110238638.9A CN113000094A (en) | 2021-03-04 | 2021-03-04 | Rice fine processing technology |
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| CN113000094A true CN113000094A (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996370A (en) * | 2021-11-06 | 2022-02-01 | 申海峰 | Rice processing technology |
Citations (7)
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|---|---|---|---|---|
| CN2146303Y (en) * | 1992-09-08 | 1993-11-17 | 湖南省湘粮机械厂 | Combined machine for processing polished rice |
| CN2865852Y (en) * | 2006-01-28 | 2007-02-07 | 刘益民 | Rice refining machine Set |
| CN106000516A (en) * | 2016-05-31 | 2016-10-12 | 余庆县大凉山米业有限责任公司 | Rice process |
| CN109550545A (en) * | 2018-11-29 | 2019-04-02 | 唐山曹妃甸区稻口香米业有限公司 | A kind of rice fine-processing technique |
| CN109954535A (en) * | 2018-08-28 | 2019-07-02 | 安徽宏虎粮油有限公司 | A kind of refining methd of rice processing |
| CN110075949A (en) * | 2019-05-20 | 2019-08-02 | 安徽晨阳粮油股份有限公司 | A kind of big rice processing method improving rice milling yield |
| CN110860325A (en) * | 2018-08-28 | 2020-03-06 | 寿县永良粮油食品有限公司 | Processing technology for reducing broken rice rate of rice |
-
2021
- 2021-03-04 CN CN202110238638.9A patent/CN113000094A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2146303Y (en) * | 1992-09-08 | 1993-11-17 | 湖南省湘粮机械厂 | Combined machine for processing polished rice |
| CN2865852Y (en) * | 2006-01-28 | 2007-02-07 | 刘益民 | Rice refining machine Set |
| CN106000516A (en) * | 2016-05-31 | 2016-10-12 | 余庆县大凉山米业有限责任公司 | Rice process |
| CN109954535A (en) * | 2018-08-28 | 2019-07-02 | 安徽宏虎粮油有限公司 | A kind of refining methd of rice processing |
| CN110860325A (en) * | 2018-08-28 | 2020-03-06 | 寿县永良粮油食品有限公司 | Processing technology for reducing broken rice rate of rice |
| CN109550545A (en) * | 2018-11-29 | 2019-04-02 | 唐山曹妃甸区稻口香米业有限公司 | A kind of rice fine-processing technique |
| CN110075949A (en) * | 2019-05-20 | 2019-08-02 | 安徽晨阳粮油股份有限公司 | A kind of big rice processing method improving rice milling yield |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996370A (en) * | 2021-11-06 | 2022-02-01 | 申海峰 | Rice processing technology |
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