CN109550545A - A kind of rice fine-processing technique - Google Patents
A kind of rice fine-processing technique Download PDFInfo
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- CN109550545A CN109550545A CN201811439697.7A CN201811439697A CN109550545A CN 109550545 A CN109550545 A CN 109550545A CN 201811439697 A CN201811439697 A CN 201811439697A CN 109550545 A CN109550545 A CN 109550545A
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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
Abstract
The invention discloses a kind of rice fine-processing techniques, comprising the following steps: the air blast impurity elimination → hot-air seasoning → vibration impurity elimination → magnetic separation cleaning → rough separation of husking shelling → paddy → secondary fine stone roller → soda immersion → microwave drying → rice polishing → first sub-sieve → secondary color sorting → ultraviolet-sterilization → weighing is packed and stored；Mineral nutrient element is lost few during rice fine-processing technique of the present invention, and rice nutrition value is higher, is greatly reduced broken rice rate additionally by the temperature in strict control process, is reduced costs waste.
Description
Technical field
The present invention relates to rice manufacture fields, and in particular to a kind of rice fine-processing technique.
Background technique
Staple food one of of the rice as China resident, processing method are continued to develop with the raising of living standards of the people.
Existing rice processing technique mainly includes impurity elimination, drying, husking, the rough separation of paddy, husk rice, polishing and color sorting, wherein
Rice polishing is the topic that people discuss warmly always.Paddy is made of paddy skin, endosperm, plumule, account for respectively total amount 13-15%,
83%-87%, 2%-3%, paddy skin are the outermost layers of rice, mainly contain cellulose and hemicellulose, contain a certain amount of egg
White matter, fat, vitamin and more inorganic salts, the total loss in rice polishing process, aleurone paddy skin and endosperm it
Between, containing more phosphorus, B race abundant and inorganic salts, and polish the rice battalion such as its phosphorus, B race and inorganic salts during the grinding process
Element loss is supported than more serious, therefore polishing rice its nutritional ingredient passed through is greatly reduced, but passes through the rice color of polishing
It is sparkling and crystal-clear bright and clean, and improve the storage property of rice.
A kind of rice processing technique of finishing of the disclosure of the invention of Patent No. CN103464235B, including three big steps
Suddenly, raw grain is cleared up: including going removing light impurities, removal is big miscellaneous, miscellaneous in removal, small miscellaneous, removes stone shoulder to shoulder；Husking husk rice: including husking,
Rough, rice out, rough polishing, rice grading are opened in the rough separation of paddy；Color sorting: finishing polish machine, rice grading are polished, color sorting is packaged.It should
Although the rice processing technique processing technology program for inventing the finishing provided is relatively easy, rice milling yield is high, fail to solve
The certainly excessive deficiency of nutrient component damages in rice polishing process.Therefore, a kind of rice that can solve above-mentioned technical problem is invented
Fine-processing technique, which is one, technical problem to be solved.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of rice fine-processing techniques to solve rice
The serious problem of nutrient component damages in polishing process.
(2) technical solution
The present invention is achieved by the following technical programs:
A kind of rice fine-processing technique, comprising the following steps: air blast impurity elimination → hot-air seasoning → vibration impurity elimination → magnetic separation is clear
Reason → rough the separation of husking shelling → paddy → secondary fine stone roller → soda immersion → microwave drying → rice polishing → first sub-sieve → bis-
Secondary color sorting → ultraviolet-sterilization → weighing is packed and stored；
S1 air blast impurity elimination: harvested paddy is acted under air blower and cuts weeds and do flat paddy；
S2 hot-air seasoning: by the paddy after air blast impurity elimination be dried to before air flow dryer water content 22%-28% it
Between, 35-45 DEG C of drying temperature；
S3 vibrates impurity elimination: the paddy after hot-air seasoning being put into vibrating screener and carries out vibration screening, screening removal paddy
In sandstone；
S4 magnetic separation cleaning: the paddy after vibration impurity elimination is put into magnetic separator and handles a period of time, so that being mixed into paddy
Ferrous contaminants all remove；
The shelling of S5 husking: the paddy after magnetic separation is cleared up is put into processing in hulling machine and obtains preliminary hulled rice, and passes through
Extraction hot-air and the mode for blasting cold air make the temperature in hulling machine working chamber be no more than 25 DEG C；
The rough separation of S6 paddy: it is not low that the rice tentatively to shell is put into the progress rough separation of paddy, separation rate in grain separating machine
In 96%；
S7 secondary fine is ground: brown rice being sent into rice mill and carries out secondary fine stone roller, and makes smart stone roller in a manner of being passed through cold air
Brown rice temperature is maintained at 22-28 DEG C in the process；
S8 soda impregnates: the rice after essence is ground, which is put into NaHCO3 solution, impregnates 10-15min, keeps in soaking process
Solution temperature is at 60-75 DEG C；
S9 microwave drying: it is drained after the rice being immersed in NaHCO3 solution is picked up, and is put into microwave dryer and dries
It does to water content and is no more than 14%；
The polishing of S10 rice: the rice after drying being put into polishing rice machine and is polished, and removal is bonded in the floating of surface
Chaff；
The first sub-sieve of S11: rice by polishing by belt line transport to carry out on rice bolter perfect kernel with not
The separation of perfect kernel；
Bis- color sortings of S12: the complete rice come out by first sub-sieve is put into color sorting and carries out color sorting；
S13 ultraviolet-sterilization: the rice after color sorting is transported through into ultraviolet-sterilization room by belt line；
S14 weighing is packed and stored: the rice after sterilization being put on electronic scale and carries out weighing packaging, and will be packaged big
Rice is put into the rice barn that temperature is 5-10 DEG C and stores.
Preferably, the average magnetic induction intensity of magnetic separator is 300-400mT in the step 4, and the magnetic separation time is 60-80s.
Preferably, the concentration of NaHCO3 solution is 3%-5% in the step 8.
Preferably, drying temperature is 40-45 DEG C in microwave dryer in the step 9.
Preferably, when rice polishes in the step 10, rice temperature is at 25-30 DEG C in holding polishing process.
Preferably, the heterochromatic grain content in the step 11 after secondary color sorting is lower than 1%.
(3) beneficial effect
1, the rice after essence is ground is put into NaHCO3 and is soaked for a period of time, and the stratum granulosum gelatinization thickening viscosity of rice surface increases
Add, enables to the stratum granulosum for being attached to surface of the nutriments strengths such as phosphorus and B race and the inorganic salts between paddy skin and endosperm
On, so that the loss of phosphorus during the polishing process and the nutriments such as B race and inorganic salts is greatly reduced, the rice battalion after processing
Feeding value is higher；
2, the present invention is strict controlled in hot-air seasoning, husking shelling, secondary fine stone roller, microwave drying and rice polishing process
The temperature of middle rice, can be effectively reduced because rice internal difference in temperature it is excessive caused by brittleness increase, also greatly reduce plus
The increase of the broken rice rate of rice during work reduces the cost waste of paddy in process.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of rice fine-processing technique, specific procedure of processing are as follows:
S1 air blast impurity elimination: harvested paddy is acted under air blower and cuts weeds and do flat paddy；
S2 hot-air seasoning: by the paddy after air blast impurity elimination be dried to before air flow dryer water content 22%-28% it
Between, 40 DEG C of drying temperature；
S3 vibrates impurity elimination: the paddy after hot-air seasoning being put into vibrating screener and carries out vibration screening, screening removal paddy
In sandstone；
S4 magnetic separation cleaning: the paddy after vibration impurity elimination is put into magnetic separator, then in the average magnetic induction intensity of 350mT
Lower effect 70s, so that mixed ferrous contaminants all remove in paddy；
The shelling of S5 husking: the paddy after magnetic separation is cleared up is put into processing in hulling machine and obtains preliminary hulled rice, and passes through
Extraction hot-air and the mode for blasting cold air make the temperature in hulling machine working chamber be maintained at 20 DEG C；
The rough separation of S6 paddy: the rice tentatively to shell being put into grain separating machine and carries out the rough separation of multiple paddy, guarantees separation
Rate is greater than 96%；
S7 secondary fine is ground: brown rice being sent into rice mill and carries out secondary fine stone roller, and makes smart stone roller in a manner of being passed through cold air
Brown rice temperature is maintained at 25 DEG C in the process；
S8 soda impregnates: the rice after essence is ground, which is put into the NaHCO3 solution that concentration is 4%, impregnates 12min, impregnates
Keep solution temperature at 70 DEG C in journey；
S9 microwave drying: draining after the rice being immersed in NaHCO3 solution is picked up, and be put into microwave dryer,
Water content is dried at a temperature of 40 DEG C no more than 14%；
The polishing of S10 rice: the rice after drying being put into polishing rice machine and is polished, and is kept by blasting cold wind
Temperature removes the floating chaff for being bonded in surface at 28 DEG C；
The first sub-sieve of S11: rice by polishing by belt line transport to carry out on rice bolter perfect kernel with not
The separation of perfect kernel；
Bis- color sortings of S12: the complete rice come out by first sub-sieve is put into color sorting and carries out color sorting, guarantees secondary color sorting
Heterochromatic grain content afterwards is lower than 1%；
S13 ultraviolet-sterilization: the rice after color sorting is transported through into ultraviolet-sterilization room by belt line；
S14 weighing is packed and stored: the rice after sterilization being put on electronic scale and carries out weighing packaging, and will be packaged big
Rice is put into the rice barn that temperature is 5-10 DEG C and stores.
Embodiment 2:
A kind of rice fine-processing technique, specific procedure of processing are as follows:
S1 air blast impurity elimination: harvested paddy is acted under air blower and cuts weeds and do flat paddy；
S2 hot-air seasoning: by the paddy after air blast impurity elimination be dried to before air flow dryer water content 22%-28% it
Between, 35 DEG C of drying temperature；
S3 vibrates impurity elimination: the paddy after hot-air seasoning being put into vibrating screener and carries out vibration screening, screening removal paddy
In sandstone；
S4 magnetic separation cleaning: the paddy after vibration impurity elimination is put into magnetic separator, then in the average magnetic induction intensity of 300mT
Lower effect 80s, so that mixed ferrous contaminants all remove in paddy；
The shelling of S5 husking: the paddy after magnetic separation is cleared up is put into processing in hulling machine and obtains preliminary hulled rice, and passes through
Extraction hot-air and the mode for blasting cold air make the temperature in hulling machine working chamber be maintained at 20 DEG C；
The rough separation of S6 paddy: the rice tentatively to shell being put into grain separating machine and carries out the rough separation of multiple paddy, guarantees separation
Rate is greater than 96%；
S7 secondary fine is ground: brown rice being sent into rice mill and carries out secondary fine stone roller, and makes smart stone roller in a manner of being passed through cold air
Brown rice temperature is maintained at 22 DEG C in the process；
S8 soda impregnates: the rice after essence is ground, which is put into the NaHCO3 solution that concentration is 3%, impregnates 15min, impregnates
Keep solution temperature at 75 DEG C in journey；
S9 microwave drying: draining after the rice being immersed in NaHCO3 solution is picked up, and be put into microwave dryer,
Water content is dried at a temperature of 40 DEG C no more than 14%；
The polishing of S10 rice: the rice after drying being put into polishing rice machine and is polished, and is kept by blasting cold wind
Temperature removes the floating chaff for being bonded in surface at 25 DEG C；
The first sub-sieve of S11: rice by polishing by belt line transport to carry out on rice bolter perfect kernel with not
The separation of perfect kernel；
Bis- color sortings of S12: the complete rice come out by first sub-sieve is put into color sorting and carries out color sorting, guarantees secondary color sorting
Heterochromatic grain content afterwards is lower than 1%；
S13 ultraviolet-sterilization: the rice after color sorting is transported through into ultraviolet-sterilization room by belt line；
S14 weighing is packed and stored: the rice after sterilization being put on electronic scale and carries out weighing packaging, and will be packaged big
Rice is put into the rice barn that temperature is 5-10 DEG C and stores.
Embodiment 3:
A kind of rice fine-processing technique, specific procedure of processing are as follows:
S1 air blast impurity elimination: harvested paddy is acted under air blower and cuts weeds and do flat paddy；
S2 hot-air seasoning: by the paddy after air blast impurity elimination be dried to before air flow dryer water content 22%-28% it
Between, 45 DEG C of drying temperature；
S3 vibrates impurity elimination: the paddy after hot-air seasoning being put into vibrating screener and carries out vibration screening, screening removal paddy
In sandstone；
S4 magnetic separation cleaning: the paddy after vibration impurity elimination is put into magnetic separator, then in the average magnetic induction intensity of 400mT
Lower effect 60s, so that mixed ferrous contaminants all remove in paddy；
The shelling of S5 husking: the paddy after magnetic separation is cleared up is put into processing in hulling machine and obtains preliminary hulled rice, and passes through
Extraction hot-air and the mode for blasting cold air make the temperature in hulling machine working chamber be maintained at 25 DEG C；
The rough separation of S6 paddy: the rice tentatively to shell being put into grain separating machine and carries out the rough separation of multiple paddy, guarantees separation
Rate is greater than 96%；
S7 secondary fine is ground: brown rice being sent into rice mill and carries out secondary fine stone roller, and makes smart stone roller in a manner of being passed through cold air
Brown rice temperature is maintained at 28 DEG C in the process；
S8 soda impregnates: the rice after essence is ground, which is put into the NaHCO3 solution that concentration is 4%, impregnates 12min, impregnates
Keep solution temperature at 70 DEG C in journey；
S9 microwave drying: draining after the rice being immersed in NaHCO3 solution is picked up, and be put into microwave dryer,
Water content is dried at a temperature of 45 DEG C no more than 14%；
The polishing of S10 rice: the rice after drying being put into polishing rice machine and is polished, and is kept by blasting cold wind
Temperature removes the floating chaff for being bonded in surface at 30 DEG C；
The first sub-sieve of S11: rice by polishing by belt line transport to carry out on rice bolter perfect kernel with not
The separation of perfect kernel；
Bis- color sortings of S12: the complete rice come out by first sub-sieve is put into color sorting and carries out color sorting, guarantees secondary color sorting
Heterochromatic grain content afterwards is lower than 1%；
S13 ultraviolet-sterilization: the rice after color sorting is transported through into ultraviolet-sterilization room by belt line；
S14 weighing is packed and stored: the rice after sterilization being put on electronic scale and carries out weighing packaging, and will be packaged big
Rice is put into the rice barn that temperature is 5-10 DEG C and stores.
Embodiment 4:
A kind of rice fine-processing technique, specific procedure of processing are as follows:
S1 air blast impurity elimination: harvested paddy is acted under air blower and cuts weeds and do flat paddy；
S2 hot-air seasoning: by the paddy after air blast impurity elimination be dried to before air flow dryer water content 22%-28% it
Between, 40 DEG C of drying temperature；
S3 vibrates impurity elimination: the paddy after hot-air seasoning being put into vibrating screener and carries out vibration screening, screening removal paddy
In sandstone；
S4 magnetic separation cleaning: the paddy after vibration impurity elimination is put into magnetic separator, then in the average magnetic induction intensity of 350mT
Lower effect 70s, so that mixed ferrous contaminants all remove in paddy；
The shelling of S5 husking: the paddy after magnetic separation is cleared up is put into processing in hulling machine and obtains preliminary hulled rice, and passes through
Extraction hot-air and the mode for blasting cold air make the temperature in hulling machine working chamber be maintained at 20 DEG C；
The rough separation of S6 paddy: the rice tentatively to shell being put into grain separating machine and carries out the rough separation of multiple paddy, guarantees separation
Rate is greater than 96%；
S7 secondary fine is ground: brown rice being sent into rice mill and carries out secondary fine stone roller, and makes smart stone roller in a manner of being passed through cold air
Brown rice temperature is maintained at 25 DEG C in the process；
S8 soda impregnates: the rice after essence is ground, which is put into the NaHCO3 solution that concentration is 5%, impregnates 15min, impregnates
Keep solution temperature at 75 DEG C in journey；
S9 microwave drying: draining after the rice being immersed in NaHCO3 solution is picked up, and be put into microwave dryer,
Water content is dried at a temperature of 45 DEG C no more than 14%；
The polishing of S10 rice: the rice after drying being put into polishing rice machine and is polished, and is kept by blasting cold wind
Temperature removes the floating chaff for being bonded in surface at 26 DEG C；
The first sub-sieve of S11: rice by polishing by belt line transport to carry out on rice bolter perfect kernel with not
The separation of perfect kernel；
Bis- color sortings of S12: the complete rice come out by first sub-sieve is put into color sorting and carries out color sorting, guarantees secondary color sorting
Heterochromatic grain content afterwards is lower than 1%；
S13 ultraviolet-sterilization: the rice after color sorting is transported through into ultraviolet-sterilization room by belt line；
S14 weighing is packed and stored: the rice after sterilization being put on electronic scale and carries out weighing packaging, and will be packaged big
Rice is put into the rice barn that temperature is 5-10 DEG C and stores.
Embodiment 5:
A kind of rice fine-processing technique, specific procedure of processing are as follows:
S1 air blast impurity elimination: harvested paddy is acted under air blower and cuts weeds and do flat paddy；
S2 hot-air seasoning: by the paddy after air blast impurity elimination be dried to before air flow dryer water content 22%-28% it
Between, 40 DEG C of drying temperature；
S3 vibrates impurity elimination: the paddy after hot-air seasoning being put into vibrating screener and carries out vibration screening, screening removal paddy
In sandstone；
S4 magnetic separation cleaning: the paddy after vibration impurity elimination is put into magnetic separator, then in the average magnetic induction intensity of 350mT
Lower effect 70s, so that mixed ferrous contaminants all remove in paddy；
The shelling of S5 husking: the paddy after magnetic separation is cleared up is put into processing in hulling machine and obtains preliminary hulled rice, and passes through
Extraction hot-air and the mode for blasting cold air make the temperature in hulling machine working chamber be maintained at 24 DEG C；
The rough separation of S6 paddy: the rice tentatively to shell being put into grain separating machine and carries out the rough separation of multiple paddy, guarantees separation
Rate is greater than 96%；
S7 secondary fine is ground: brown rice being sent into rice mill and carries out secondary fine stone roller, and makes smart stone roller in a manner of being passed through cold air
Brown rice temperature is maintained at 26 DEG C in the process；
S8 soda impregnates: the rice after essence is ground, which is put into the NaHCO3 solution that concentration is 3%, impregnates 10min, impregnates
Keep solution temperature at 60 DEG C in journey；
S9 microwave drying: draining after the rice being immersed in NaHCO3 solution is picked up, and be put into microwave dryer,
Water content is dried at a temperature of 40 DEG C no more than 14%；
The polishing of S10 rice: the rice after drying being put into polishing rice machine and is polished, and is kept by blasting cold wind
Temperature removes the floating chaff for being bonded in surface at 26 DEG C；
The first sub-sieve of S11: rice by polishing by belt line transport to carry out on rice bolter perfect kernel with not
The separation of perfect kernel；
Bis- color sortings of S12: the complete rice come out by first sub-sieve is put into color sorting and carries out color sorting, guarantees secondary color sorting
Heterochromatic grain content afterwards is lower than 1%；
S13 ultraviolet-sterilization: the rice after color sorting is transported through into ultraviolet-sterilization room by belt line；
S14 weighing is packed and stored: the rice after sterilization being put on electronic scale and carries out weighing packaging, and will be packaged big
Rice is put into the rice barn that temperature is 5-10 DEG C and stores.
To compare beneficial effects of the present invention, by the specific gravity of the broken rice of rice process into embodiment 5 of embodiment 1
It is counted, and the phosphorus content and iron content of general rice measure to embodiment 1 to embodiment 5 and in the market,
Record result such as the following table 1:
Table 1
| Test object/performance | Broken rice specific gravity | Hectogram rice phosphorus content | Hectogram rice iron content |
| Embodiment 1 | 8.7% | 168mg | 3.1mg |
| Embodiment 2 | 7.9% | 166mg | 3.0mg |
| Embodiment 3 | 9.2% | 174mg | 3.4mg |
| Embodiment 4 | 8.4% | 159mg | 2.9mg |
| Embodiment 5 | 9.0% | 169mg | 3.2mg |
| General rice | 15% (national standard) | 134mg | 2.5mg |
As can be seen from Table 1 for broken rice proportion in process, machining process of the present invention
Middle broken rice is less, greatly reduces cost waste.In addition, for phosphorus content in every hectogram rice and iron content, it is common big
The content of rice is less, and rice prepared by the present invention, nutritive value are higher.
From the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to aforementioned implementation
Invention is explained in detail for example, those skilled in the art should understand that: it still can be to aforementioned each reality
Technical solution documented by example is applied to modify or equivalent replacement of some of the technical features；And these modification or
Person's replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of rice fine-processing technique, which comprises the following steps: air blast impurity elimination → hot-air seasoning → vibration impurity elimination
→ magnetic separation cleaning → rough the separation of husking shelling → paddy → secondary fine stone roller → soda immersion → microwave drying → rice polishing → first
Sub-sieve → secondary color sorting → ultraviolet-sterilization → weighing is packed and stored；
S1 air blast impurity elimination: harvested paddy is acted under air blower and cuts weeds and do flat paddy；
S2 hot-air seasoning: being dried to water content between 22%-28% for the paddy after air blast impurity elimination before air flow dryer,
35-45 DEG C of drying temperature；
S3 vibrates impurity elimination: the paddy after hot-air seasoning being put into vibrating screener and carries out vibration screening, screening removes in paddy
Sandstone；
S4 magnetic separation cleaning: the paddy after vibration impurity elimination is put into magnetic separator and handles a period of time, so that mixed in paddy contain
Iron tramp all removes；
The shelling of S5 husking: the paddy after magnetic separation is cleared up is put into processing in hulling machine and obtains preliminary hulled rice, and passes through extraction
Hot-air and the mode for blasting cold air make the temperature in hulling machine working chamber be no more than 25 DEG C；
The rough separation of S6 paddy: the rice tentatively to shell is put into the progress rough separation of paddy, separation rate in grain separating machine and is not less than
96%；
S7 secondary fine is ground: brown rice being sent into rice mill and carries out secondary fine stone roller, and makes smart stone roller process in a manner of being passed through cold air
Middle brown rice temperature is maintained at 22-28 DEG C；
S8 soda impregnates: the rice after essence is ground, which is put into NaHCO3 solution, impregnates 10-15min, keeps solution in soaking process
Temperature is at 60-75 DEG C；
S9 microwave drying: it is drained after the rice being immersed in NaHCO3 solution is picked up, and is put into microwave dryer and is dried to
Water content is no more than 14%；
The polishing of S10 rice: the rice after drying being put into polishing rice machine and is polished, and removal is bonded in the floating chaff on surface；
The first sub-sieve of S11: rice by polishing by belt line transport to carry out on rice bolter perfect kernel with it is imperfect
The separation of grain；
Bis- color sortings of S12: the complete rice come out by first sub-sieve is put into color sorting and carries out color sorting；
S13 ultraviolet-sterilization: the rice after color sorting is transported through into ultraviolet-sterilization room by belt line；
S14 weighing is packed and stored: the rice after sterilization being put on electronic scale and carries out weighing packaging, and packaged rice is put
Enter and is stored in the rice barn that temperature is 5-10 DEG C.
2. a kind of rice fine-processing technique according to claim 1, which is characterized in that magnetic separator is flat in the step 4
Equal magnetic induction intensity is 300-400mT, and the magnetic separation time is 60-80s.
3. a kind of rice fine-processing technique according to claim 1, which is characterized in that NaHCO3 solution in the step 8
Concentration be 3%-5%.
4. a kind of rice fine-processing technique according to claim 1, which is characterized in that microwave dryer in the step 9
Middle drying temperature is 40-45 DEG C.
5. a kind of rice fine-processing technique according to claim 1, which is characterized in that rice polishes in the step 10
When, keep polishing process in rice temperature at 25-30 DEG C.
6. a kind of rice fine-processing technique according to claim 1, which is characterized in that in the step 12 after secondary color sorting
Heterochromatic grain content be lower than 1%.
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| CN110075950A (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 reducing broken rice rate |
| CN110508345A (en) * | 2019-08-29 | 2019-11-29 | 颍上县皖润米业有限公司 | A kind of rice processing technique |
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| CN111229357A (en) * | 2020-01-12 | 2020-06-05 | 龙门县云鹏双丰鱼农业科技有限公司 | Rice processing technology |
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