A kind of buckwheat height polished rice rate processing technology
Technical field
The present invention relates to buckwheat process, be specifically related to a kind of buckwheat height polished rice rate processing technology.
Background technology
The dicotyledonous polygonaceae of Fagopyrum, Fagopyrum, its growth period is short, grows under being suitable for Cold and cool climate environment, popular name maize, triangle wheat, Wu Mai, is very good rain fed crops.Because it has unique nutritive value, be more and more subject to people's attention.But, the feature that, shell toughness little based on buckwheat volume is strong, benevolence fragility is large, the gap of benevolence and shell is little, add restriction and the imperfection of existing buckwheat sheller mechanical performance, carry out shelling with existing hulling machine to it and have great difficulty, clever shell, through decorticator heat treatment, can not all be sloughed by buckwheat, according to the requirement of technique, must carry out material grain to the mixed material after shelling to be separated, to isolate pure shelling buckwheat grain, the buckwheat grain that do not shell then returns hulling machine and continues shelling.Because the tapered trihedral of clever shell of buckwheat is irregular, the buckwheat sheller husking yield that current buckwheat process industry uses is relatively low, causes the material grain separating technology of buckwheat to become the key of buckwheat process process.
Traditional buckwheat material grain is separated general many group vibrating cleaning sieves or the Buckie sieve of adopting and carries out material grain separating technology, and the classifying equipoment needed for this technique needs multicomputer and shelling Unit Combination, and hold facility floor space is comparatively large, and sifting efficiency is lower, and output is less.Due to the grain type characteristic of buckwheat, be comparatively difficult to ensure being separated completely of card band shell material and buckwheat rice.Not only affect the following process of buckwheat, and affect the quality of buckwheat product property and the overall interests of buckwheat process industrialization.Chinese patent CN101449852A discloses a kind of Fagopyrum tataricum hulling and seed of Radix Et Rhizoma Fagopyri Tatarici shell separation processing technique, and its technological process is: by duck wheat cleaning and classification → duck wheat shell process → anhydrate → shell → is separated → drying → process.Duck wheat after separation is divided into seed of Radix Et Rhizoma Fagopyri Tatarici and duck wheat shell two parts, seed of Radix Et Rhizoma Fagopyri Tatarici is processed into various seed of Radix Et Rhizoma Fagopyri Tatarici product, as various products such as tartary-backwheat tea, duck wheat faces, duck wheat shell can be used for pillow, extract flavones or produce other duck wheat shell product, mainly solve the problem of Fagopyrum tataricum hulling difficulty, and the duck wheat shell after shelling has very high percentage of head rice, wide prospect has been opened up in the exploitation for duck wheat.The problem of the difficult and Kernel-hull separation of what above-mentioned disclosed patent mainly solved is Fagopyrum tataricum hulling, material grain is separated employing screening, selection by winnowing, reselection modes, and effect is undesirable.Chinese patent CN103704578A discloses a kind of tartary buckwheat full-nutrition rice and preparation method: duck wheat is after screening, selection by winnowing, de-stone, magnetic separation cleaning, carry out humid heat treatment operation: humid heat treatment operation is by supercharging wheat wetting technique, and normal pressure steams technique, the Trinitarian production technology of low-temperature vacuum drying technique completes in a vessel; Then Fagopyrum tataricum hulling separation, husk rice, polishing classification.Although above-mentioned disclosed patent have employed 2 road looks and selects technique, main purpose is separated abnormal rice kernel, and material grain separating effect is still undesirable.Chinese patent CN103750163A discloses a kind of buckwheat parched rice, is that the water content of sepia shelling is the ripe buckwheat parched rice of 1%-2%, and discloses the production method of buckwheat parched rice, comprise the following steps: a. screens buckwheat; B. buckwheat is cleaned; C. the boiling of high-pressure rotary tank is used; D. by air-cooled for the buckwheat after boiling → gradation → shelling → look choosing → oven dry → look choosing → immersion → draining; E. use frying equipment under the condition of 195 DEG C-300 DEG C, frying buckwheat, make the water content of buckwheat be 1%-2%; F. air-cooled → look choosing.Buckwheat parched rice taste perfume (or spice) is strongly fragrant, and mouthfeel is good, and the nutritional labeling in buckwheat fully can be absorbed by human body; The method making buckwheat parched rice can retain the nutritional labeling of buckwheat, improve the mouthfeel of buckwheat, through committed steps such as autoclaving → immersion → high temperature fryings, reduce the hardness of buckwheat, overcome buckwheat cannot directly frying, the shortcoming such as not crisp, harder, mouthfeel is poor, make the buckwheat of frying become the ready-to-eat food of a kind of easy making, crisp taste.Above-mentioned disclosed patent does not relate generally to material grain and is separated.The complex processing technology that the buckwheat complex processing technology that Wang Yimei, Yang Handong deliver describes a buckwheat in detail, buckwheat fine powder, buckwheat skin (shell) 3 kinds of products are produced simultaneously.Main technique adopts domestic comparatively ripe unit process equipment to combine, comprise the clean and classify of raw material, shelling, the separation of rice shell, the cream-coloured choosing of finished product, fine powder abrasive dust, dedusting and packaging etc., this group technique can obtain buckwheat and buckwheat fine powder to greatest extent, and remains the integrality (grain processing .2010 the 35th volume the 2nd phase) of buckwheat shell to greatest extent.The method that main employing wind, sieve combine carries out rice to the compound after shelling, shell is separated and finished product arranges, the unit that simultaneously shells is more, take up room large, still do not have good separation, hulling (shelled buckwheat or buckwheat rice) and unhulled buckwheat grain (material grain is separated), secondary shelling husking yield is low.
Summary of the invention
Technical problem solved by the invention overcomes in existing buckwheat process process shell buckwheat after shelling and be with the defect that shell buckwheat is separated and secondary husking yield is low, the vibration separation screen A of blended stock first through being provided with upper and lower two-layer screen cloth containing small part buckwheat skin, buckwheat rice and band shell buckwheat after buckwheat shelling is screened, utilize the particle size differences between band shell buckwheat and buckwheat rice and automatic classification characteristic, carry out first time paddy to be roughly separated by having appropriate mesh sieve and the screen cloth of forms of motion, buckwheat skin is delivered in the collecting bin of wind network system by suction-type vertical air suction separator; Vibration separation screen A upper sieve net oversize is large grain type band shell buckwheat, and lower screen screenings is broken buckwheat rice and trifle in the world, enters collecting bin; Lower screen oversize is mainly buckwheat rice and part granule type band shell buckwheat, this part compound grain is entered color selector by elevator and carries out look choosing separation, the granule type buckwheat of isolated band shell mixes with upper sieve net oversize (large grain type band shell buckwheat) and after cold-heat treatment, enters hulling machine secondary shell, isolated qualified pure buckwheat rice continues to adopt the vibration separation screen B being provided with two-layer screen cloth to screen, again isolate broken buckwheat rice and gently mix, producing the high-quality buckwheat product of high-purity.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of buckwheat height polished rice rate processing technology, comprises the steps:
1) screen: the vibration separation screen A of batch mixing first through being provided with upper and lower two-layer screen cloth containing small part buckwheat skin, buckwheat rice and band shell buckwheat after shelling is screened, carry out the rough separation of first time paddy, buckwheat skin is delivered in the collecting bin of wind network system by suction-type vertical air suction separator; The upper sieve net oversize of sieve nest is large grain type band shell buckwheat, accounts for the 12-15% with shell buckwheat quality in described batch mixing; Lower screen screenings is broken buckwheat rice and trifle in the world, enters collecting bin; Lower screen oversize is buckwheat rice and granule type band shell buckwheat, and wherein the mass ratio of buckwheat rice is 46-50%;
Further, the described batch mixing batch mixing that to be buckwheat shelling rate be after the shelling of 45-47%;
Further, described vibration separation screen A upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Further, described vibration separation screen A upper strata sieve number is 6 orders;
Further, described vibration separation screen A lower screen mesh number is 9 orders;
Further, the horizontal tilt angle of described vibration separation screen A upper strata screen cloth and lower screen is 2-3 °;
Further, described vibration separation screen A vibrating motor two angle got rid of between block is 18-20 °;
2) look choosing: the lower screen oversize after screening enters color selector by elevator and carries out look choosing separation, carry out tertiary colo(u)r(s) choosing successively, first look time choosing adopts that heterochromatic grain is counter selects technique, second and third look choosing adopts heterochromatic grain key player on a team technique, first time, look selected isolated granule type band shell buckwheat and step 1) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, the buckwheat rice got enters the choosing of second time look, and in batch mixing, the mass ratio of buckwheat rice is 75-80%; Second time look select the continuation of granule type band shell buckwheat and step 1 of getting) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, isolated buckwheat rice enters third time look choosing, in batch mixing, the mass ratio of buckwheat rice is 92-95%, third time look select the granule type band shell buckwheat got and subsidiary go out buckwheat rice be back to first time look and select and again carry out look choosing, isolated semi-finished product buckwheat rice purity reaches 99.7-99.9%;
Further, described color selector basic technological parameters is: feeding capacity is adjusted to: 20-30; Forward sight background luminance: 23; Backsight background luminance: 18; Forward sight disease point width: 2; The pale yellow area of forward sight: 5; Backsight disease point width: 2; The pale yellow area of backsight: 5;
Further, the anti-technological parameter that selects of described heterochromatic grain is: the front side stain of bright sensitivity is: 25; Front side is pale yellow is: 50; Rear side stain is: 25; Rear side is pale yellow is: 50; Dark sensitivity number is all 0;
Further, described heterochromatic grain key player on a team technological parameter is: the front side stain of dark sensitivity is: 30-40; Front side is pale yellow is: 83-88; Rear side stain is: 30-40; Rear side is pale yellow is: 83-88; Bright sensitivity number is all 0;
3) cold-heat treatment: by step 2) first time and the second time granule type band shell buckwheat selected of look and step 1) in the large grain type band shell buckwheat Homogeneous phase mixing that retains of upper strata screen cloth, be placed in steam box and shakeout, thickness of feed layer 5-10cm, pass into steam treatment 5-10min, steam pressure 0.05-0.11MPa, stir, leave standstill 8-12min, then in-21--25 DEG C of freezing 16-20min; Finally put into microwave dryer to shakeout, thickness of feed layer 4-6cm, in frequency 2450MHz, power 4-6kW, temperature 80-85 DEG C microwave irradiation 3-8min, enter the shelling of hulling machine secondary in batches;
Further, described microwave irradiation is Batch irradiation;
Preferably, described Batch irradiation is microwave irradiation 10s, interval 30s;
4) screen: select isolated buckwheat rice to adopt the vibration separation screen B sieving and grading being provided with upper and lower two-layer screen cloth through look, isolate broken buckwheat rice and gently mix, obtaining finished product buckwheat rice;
Further, described vibration separation screen B upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Further, described vibration separation screen B upper strata sieve number is 6.5 orders;
Further, described vibration separation screen B lower screen mesh number is 10 orders;
Further, the horizontal tilt angle of described vibration separation screen B upper strata screen cloth and lower screen is 14-16 °;
Further, described vibration separation screen B vibrating motor two angle got rid of between block is 70-90 °.
Beneficial effect:
Screening technology, cold-heat treatment technique and look select technique to organically combine by material grain separating technology of the present invention, preferably resolve the problem that the separation of the rear mixed material of buckwheat process process shelling, classification and band shell buckwheat secondary shell, especially after cold-heat treatment: 1) because buckwheat skin is different with the component of buckwheat rice, the coefficient of expansion is also different, therefore, after appropriate cold-heat treatment buckwheat skin and buckwheat rice can automatically loose, peel off, be convenient to band shell granule type buckwheat secondary and shell and be separated; 2) after freezing, produce the eucaryotic cell structure that tiny ice crystal body also can stab the large molecule bonding material between buckwheat skin and buckwheat rice, promote buckwheat skin and buckwheat rice is loose, peel off; 3) different from buckwheat rice moisture through the buckwheat skin of steam treatment after freezing, adopt microwave drying, buckwheat skin is heated with buckwheat rice simultaneously and dynamics is different, the buckwheat skin heating power that moisture content is high is stronger, buckwheat rice heating power is more weak, the gap of heating power also can promote buckwheat skin and buckwheat rice in conjunction with loose, peel off, be convenient to the shelling of band shell granule type buckwheat secondary, relative to other mode of heating, microwave drying effect is more remarkable; 4) increase the aberration of band shell buckwheat and buckwheat rice, be convenient to color selector screening, enhance look and select effect; 5) drying of appropriateness can also increase finished product buckwheat rice wheat fragrance while guarantee presentation quality; After can making shelling by this technique, buckwheat material grain separation rate reaches 99.9%, secondary husking yield reaches more than 95%; the credit rating of buckwheat rice of manufacturing a finished product is better than industry primary standard; the purity of buckwheat rice can reach more than 99.9%; unsound grain quality≤1%, impurity≤0.10% (mineral matter≤0.05%; non-husking yield≤0.05%), crack rice≤1% and surface-brightening, cleaning have obvious buckwheat fragrance, expect after achieving buckwheat shelling that grain is separated the object of high-quality, high efficiency, high yield and scale.
It should be noted that the technique effect of material grain separating technology of the present invention is each processing step technical characteristic and technical scheme collaborative, interactional result mutually, the not superposition of simple technical scheme, the effect that the combination of each technical characteristic produces, considerably beyond the summation of each monotechnics characteristic effect, has advanced and practicality preferably.
Accompanying drawing explanation
Fig. 1 is processing process figure of the present invention.
Detailed description of the invention
The present invention is described below by specific embodiment.Unless stated otherwise, technological means used in the present invention is method known in those skilled in the art.In addition, embodiment is interpreted as illustrative, but not limits the scope of the invention, and the spirit and scope of the invention only limited by claims.To those skilled in the art, under the prerequisite not deviating from essence of the present invention and scope, the various change carry out the material component in these embodiments and consumption or change also belong to protection scope of the present invention.
The device fabrication producer that following examples use and model:
1. vibration separation screen A: name of product: vibration separation screen; Model: TQLZ100*200; Manufacturer: Yongxiang Grain Machinery Co., Ltd., hubei;
2. vibration separation screen B: name of product: vibration separation screen; Model: TQLZ80*150; Manufacturer: Yongxiang Grain Machinery Co., Ltd., hubei;
3. color selector: name of product: all-digital intelligent color selector; Model: QR4CCDQ; Manufacturer: Yongxiang Grain Machinery Co., Ltd., hubei;
Embodiment 1
A kind of buckwheat height polished rice rate processing technology, comprises the steps:
1) screen: the vibration separation screen A of batch mixing first through being provided with upper and lower two-layer screen cloth containing small part buckwheat skin, buckwheat rice and band shell buckwheat after shelling is screened, carry out the rough separation of first time paddy, buckwheat skin is delivered in the collecting bin of wind network system by suction-type vertical air suction separator; The upper sieve net oversize of sieve nest is large grain type band shell buckwheat, accounts for 14% with shell buckwheat quality in described batch mixing; Lower screen screenings is broken buckwheat rice and trifle in the world, enters collecting bin; Lower screen oversize is buckwheat rice and granule type band shell buckwheat, and wherein the mass ratio of buckwheat rice is 48%;
The described batch mixing batch mixing that to be buckwheat shelling rate be after the shelling of 46%;
Described vibration separation screen A upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen A upper strata sieve number is 6 orders;
Described vibration separation screen A lower screen mesh number is 9 orders;
The horizontal tilt angle of described vibration separation screen A upper strata screen cloth and lower screen is 2.5 °;
Described vibration separation screen A vibrating motor two angle got rid of between block is 19 °;
2) look choosing: the lower screen oversize after screening enters color selector by elevator and carries out look choosing separation, carry out tertiary colo(u)r(s) choosing successively, first look time choosing adopts that heterochromatic grain is counter selects technique, second and third look choosing adopts heterochromatic grain key player on a team technique, first time, look selected isolated granule type band shell buckwheat and step 1) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, the buckwheat rice got enters the choosing of second time look, and in batch mixing, the mass ratio of buckwheat rice is 78%; Second time look select the continuation of granule type band shell buckwheat and step 1 of getting) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, isolated buckwheat rice enters third time look choosing, in batch mixing, the mass ratio of buckwheat rice is 93.5%, third time look select the granule type band shell buckwheat got and subsidiary go out buckwheat rice be back to first time look and select and again carry out look choosing, isolated semi-finished product buckwheat rice purity reaches 99.9%;
Described color selector basic technological parameters is: feeding capacity is adjusted to: 25; Forward sight background luminance: 23; Backsight background luminance: 18; Forward sight disease point width: 2; The pale yellow area of forward sight: 5; Backsight disease point width: 2; The pale yellow area of backsight: 5;
The anti-technological parameter that selects of described heterochromatic grain is: the front side stain of bright sensitivity is: 25; Front side is pale yellow is: 50; Rear side stain is: 25; Rear side is pale yellow is: 50; Dark sensitivity number is all 0;
Described heterochromatic grain key player on a team technological parameter is: the front side stain of dark sensitivity is: 35; Front side is pale yellow is: 85; Rear side stain is: 35; Rear side is pale yellow is: 85; Bright sensitivity number is all 0;
3) cold-heat treatment: by step 2) first time and the second time granule type band shell buckwheat selected of look and step 1) in the large grain type band shell buckwheat Homogeneous phase mixing that retains of upper strata screen cloth, be placed in steam box and shakeout, thickness of feed layer 8cm, pass into steam treatment 8min, steam pressure 0.08MPa, stir, leave standstill 10min, then in-23 DEG C of freezing 18min; Finally put into microwave dryer to shakeout, thickness of feed layer 5cm, in frequency 2450MHz, power 5kW, temperature 82 DEG C of microwave Batch irradiation 5min, enter the shelling of hulling machine secondary in batches;
Described Batch irradiation is microwave irradiation 10s, interval 30s;
4) screen: select isolated buckwheat rice to adopt the vibration separation screen B sieving and grading being provided with upper and lower two-layer screen cloth through look, isolate broken buckwheat rice and gently mix, obtaining finished product buckwheat rice;
Described vibration separation screen B upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen B upper strata sieve number is 6.5 orders;
Described vibration separation screen B lower screen mesh number is 10 orders;
The horizontal tilt angle of described vibration separation screen B upper strata screen cloth and lower screen is 15 °;
Described vibration separation screen B vibrating motor two angle got rid of between block is 80 °.
The material grain separation rate of above-mentioned technique reaches 99.9%, secondary husking yield reaches 98%, the credit rating of finished product buckwheat rice is better than industry primary standard, the purity of buckwheat rice can reach 99.98%, unsound grain quality 0.2%, impurity 0.02% (mineral matter 0.01%, non-husking yield 0.01%), crack rice 0.3%.
Embodiment 2
A kind of buckwheat height polished rice rate processing technology, comprises the steps:
1) screen: the vibration separation screen A of batch mixing first through being provided with upper and lower two-layer screen cloth containing small part buckwheat skin, buckwheat rice and band shell buckwheat after shelling is screened, carry out the rough separation of first time paddy, buckwheat skin is delivered in the collecting bin of wind network system by suction-type vertical air suction separator; The upper sieve net oversize of sieve nest is large grain type band shell buckwheat, accounts for 12% with shell buckwheat quality in described batch mixing; Lower screen screenings is broken buckwheat rice and trifle in the world, enters collecting bin; Lower screen oversize is buckwheat rice and granule type band shell buckwheat, and wherein the mass ratio of buckwheat rice is 46%;
The described batch mixing batch mixing that to be buckwheat shelling rate be after the shelling of 45%;
Described vibration separation screen A upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen A upper strata sieve number is 6 orders;
Described vibration separation screen A lower screen mesh number is 9 orders;
The horizontal tilt angle of described vibration separation screen A upper strata screen cloth and lower screen is 2 °;
Described vibration separation screen A vibrating motor two angle got rid of between block is 18 °;
2) look choosing: the lower screen oversize after screening enters color selector by elevator and carries out look choosing separation, carry out tertiary colo(u)r(s) choosing successively, first look time choosing adopts that heterochromatic grain is counter selects technique, second and third look choosing adopts heterochromatic grain key player on a team technique, first time, look selected isolated granule type band shell buckwheat and step 1) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, the buckwheat rice got enters the choosing of second time look, and in batch mixing, the mass ratio of buckwheat rice is 75%; Second time look select the continuation of granule type band shell buckwheat and step 1 of getting) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, isolated buckwheat rice enters third time look choosing, in batch mixing, the mass ratio of buckwheat rice is 92%, third time look select the granule type band shell buckwheat got and subsidiary go out buckwheat rice be back to first time look and select and again carry out look choosing, isolated semi-finished product buckwheat rice purity reaches 99.7%;
Described color selector basic technological parameters is: feeding capacity is adjusted to: 20; Forward sight background luminance: 23; Backsight background luminance: 18; Forward sight disease point width: 2; The pale yellow area of forward sight: 5; Backsight disease point width: 2; The pale yellow area of backsight: 5;
The anti-technological parameter that selects of described heterochromatic grain is: the front side stain of bright sensitivity is: 25; Front side is pale yellow is: 50; Rear side stain is: 25; Rear side is pale yellow is: 50; Dark sensitivity number is all 0;
Described heterochromatic grain key player on a team technological parameter is: the front side stain of dark sensitivity is: 30; Front side is pale yellow is: 83; Rear side stain is: 30; Rear side is pale yellow is: 83; Bright sensitivity number is all 0;
3) cold-heat treatment: by step 2) first time and the second time granule type band shell buckwheat selected of look and step 1) in the large grain type band shell buckwheat Homogeneous phase mixing that retains of upper strata screen cloth, be placed in steam box and shakeout, thickness of feed layer 5cm, pass into steam treatment 5min, steam pressure 0.05MPa, stir, leave standstill 8min, then in-21 DEG C of freezing 16min; Finally put into microwave dryer to shakeout, thickness of feed layer 4cm, in frequency 2450MHz, power 4kW, temperature 80 DEG C of microwave Batch irradiation 3min, enter the shelling of hulling machine secondary in batches;
Described Batch irradiation is microwave irradiation 10s, interval 30s;
4) screen: select isolated buckwheat rice to adopt the vibration separation screen B sieving and grading being provided with upper and lower two-layer screen cloth through look, isolate broken buckwheat rice and gently mix, obtaining finished product buckwheat rice;
Described vibration separation screen B upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen B upper strata sieve number is 6.5 orders;
Described vibration separation screen B lower screen mesh number is 10 orders;
The horizontal tilt angle of described vibration separation screen B upper strata screen cloth and lower screen is 14 °;
Described vibration separation screen B vibrating motor two angle got rid of between block is 70 °.
The material grain separation rate of above-mentioned technique reaches 99.9%, secondary husking yield reaches 96%, the credit rating of finished product buckwheat rice is better than industry primary standard, the purity of buckwheat rice can reach 99.96%, unsound grain quality 0.3%, impurity 0.04% (mineral matter 0.02%, non-husking yield 0.02%), crack rice 0.5%.
Embodiment 3
A kind of buckwheat height polished rice rate processing technology, comprises the steps:
1) screen: the vibration separation screen A of batch mixing first through being provided with upper and lower two-layer screen cloth containing small part buckwheat skin, buckwheat rice and band shell buckwheat after shelling is screened, carry out the rough separation of first time paddy, buckwheat skin is delivered in the collecting bin of wind network system by suction-type vertical air suction separator; The upper sieve net oversize of sieve nest is large grain type band shell buckwheat, accounts for 15% with shell buckwheat quality in described batch mixing; Lower screen screenings is broken buckwheat rice and trifle in the world, enters collecting bin; Lower screen oversize is buckwheat rice and granule type band shell buckwheat, and wherein the mass ratio of buckwheat rice is 50%;
The described batch mixing batch mixing that to be buckwheat shelling rate be after the shelling of 47%;
Described vibration separation screen A upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen A upper strata sieve number is 6 orders;
Described vibration separation screen A lower screen mesh number is 9 orders;
The horizontal tilt angle of described vibration separation screen A upper strata screen cloth and lower screen is 3 °;
Described vibration separation screen A vibrating motor two angle got rid of between block is 20 °;
2) look choosing: the lower screen oversize after screening enters color selector by elevator and carries out look choosing separation, carry out tertiary colo(u)r(s) choosing successively, first look time choosing adopts that heterochromatic grain is counter selects technique, second and third look choosing adopts heterochromatic grain key player on a team technique, first time, look selected isolated granule type band shell buckwheat and step 1) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, the buckwheat rice got enters the choosing of second time look, and in batch mixing, the mass ratio of buckwheat rice is 80%; Second time look select the continuation of granule type band shell buckwheat and step 1 of getting) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, isolated buckwheat rice enters third time look choosing, in batch mixing, the mass ratio of buckwheat rice is 95%, third time look select the granule type band shell buckwheat got and subsidiary go out buckwheat rice be back to first time look and select and again carry out look choosing, isolated semi-finished product buckwheat rice purity reaches 99.8%;
Described color selector basic technological parameters is: feeding capacity is adjusted to: 30; Forward sight background luminance: 23; Backsight background luminance: 18; Forward sight disease point width: 2; The pale yellow area of forward sight: 5; Backsight disease point width: 2; The pale yellow area of backsight: 5;
The anti-technological parameter that selects of described heterochromatic grain is: the front side stain of bright sensitivity is: 25; Front side is pale yellow is: 50; Rear side stain is: 25; Rear side is pale yellow is: 50; Dark sensitivity number is all 0;
Described heterochromatic grain key player on a team technological parameter is: the front side stain of dark sensitivity is: 40; Front side is pale yellow is: 88; Rear side stain is: 40; Rear side is pale yellow is: 88; Bright sensitivity number is all 0;
3) cold-heat treatment: by step 2) first time and the second time granule type band shell buckwheat selected of look and step 1) in the large grain type band shell buckwheat Homogeneous phase mixing that retains of upper strata screen cloth, be placed in steam box and shakeout, thickness of feed layer 10cm, pass into steam treatment 10min, steam pressure 0.11MPa, stir, leave standstill 12min, then in-25 DEG C of freezing 20min; Finally put into microwave dryer to shakeout, thickness of feed layer 6cm, in frequency 2450MHz, power 6kW, temperature 85 DEG C of microwave Batch irradiation 8min, enter the shelling of hulling machine secondary in batches;
Described Batch irradiation is microwave irradiation 10s, interval 30s;
4) screen: select isolated buckwheat rice to adopt the vibration separation screen B sieving and grading being provided with upper and lower two-layer screen cloth through look, isolate broken buckwheat rice and gently mix, obtaining finished product buckwheat rice;
Described vibration separation screen B upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen B upper strata sieve number is 6.5 orders;
Described vibration separation screen B lower screen mesh number is 10 orders;
The horizontal tilt angle of described vibration separation screen B upper strata screen cloth and lower screen is 16 °;
Described vibration separation screen B vibrating motor two angle got rid of between block is 90 °.
The material grain separation rate of above-mentioned technique reaches 99.9%, secondary husking yield reaches more than 97%, the credit rating of finished product buckwheat rice is better than industry primary standard, the purity of buckwheat rice can reach 99.97%, unsound grain quality 0.4%, impurity 0.03% (mineral matter 0.02%, non-husking yield 0.01%), crack rice 0.4%.
Embodiment 4
A kind of buckwheat height polished rice rate processing technology, comprises the steps:
1) screen: the vibration separation screen A of batch mixing first through being provided with upper and lower two-layer screen cloth containing small part buckwheat skin, buckwheat rice and band shell buckwheat after shelling is screened, carry out the rough separation of first time paddy, buckwheat skin is delivered in the collecting bin of wind network system by suction-type vertical air suction separator; The upper sieve net oversize of sieve nest is large grain type band shell buckwheat, accounts for 12% with shell buckwheat quality in described batch mixing; Lower screen screenings is broken buckwheat rice and trifle in the world, enters collecting bin; Lower screen oversize is buckwheat rice and granule type band shell buckwheat, and wherein the mass ratio of buckwheat rice is 50%;
The described batch mixing batch mixing that to be buckwheat shelling rate be after the shelling of 45%;
Described vibration separation screen A upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen A upper strata sieve number is 6 orders;
Described vibration separation screen A lower screen mesh number is 9 orders;
The horizontal tilt angle of described vibration separation screen A upper strata screen cloth and lower screen is 2 °;
Described vibration separation screen A vibrating motor two angle got rid of between block is 20 °;
2) look choosing: the lower screen oversize after screening enters color selector by elevator and carries out look choosing separation, carry out tertiary colo(u)r(s) choosing successively, first look time choosing adopts that heterochromatic grain is counter selects technique, second and third look choosing adopts heterochromatic grain key player on a team technique, first time, look selected isolated granule type band shell buckwheat and step 1) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, the buckwheat rice got enters the choosing of second time look, and in batch mixing, the mass ratio of buckwheat rice is 75%; Second time look select the continuation of granule type band shell buckwheat and step 1 of getting) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, isolated buckwheat rice enters third time look choosing, in batch mixing, the mass ratio of buckwheat rice is 95%, third time look select the granule type band shell buckwheat got and subsidiary go out buckwheat rice be back to first time look and select and again carry out look choosing, isolated semi-finished product buckwheat rice purity reaches 99.9%;
Described color selector basic technological parameters is: feeding capacity is adjusted to: 20; Forward sight background luminance: 23; Backsight background luminance: 18; Forward sight disease point width: 2; The pale yellow area of forward sight: 5; Backsight disease point width: 2; The pale yellow area of backsight: 5;
The anti-technological parameter that selects of described heterochromatic grain is: the front side stain of bright sensitivity is: 25; Front side is pale yellow is: 50; Rear side stain is: 25; Rear side is pale yellow is: 50; Dark sensitivity number is all 0;
Described heterochromatic grain key player on a team technological parameter is: the front side stain of dark sensitivity is: 40; Front side is pale yellow is: 83; Rear side stain is: 40; Rear side is pale yellow is: 83; Bright sensitivity number is all 0;
3) cold-heat treatment: by step 2) first time and the second time granule type band shell buckwheat selected of look and step 1) in the large grain type band shell buckwheat Homogeneous phase mixing that retains of upper strata screen cloth, be placed in steam box and shakeout, thickness of feed layer 5cm, pass into steam treatment 10min, steam pressure 0.05MPa, stir, leave standstill 12min, then in-21 DEG C of freezing 20min; Finally put into microwave dryer to shakeout, thickness of feed layer 4cm, in frequency 2450MHz, power 6kW, temperature 80 DEG C of microwave irradiation 8min, enter the shelling of hulling machine secondary in batches;
4) screen: select isolated buckwheat rice to adopt the vibration separation screen B sieving and grading being provided with upper and lower two-layer screen cloth through look, isolate broken buckwheat rice and gently mix, obtaining finished product buckwheat rice;
Described vibration separation screen B upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen B upper strata sieve number is 6.5 orders;
Described vibration separation screen B lower screen mesh number is 10 orders;
The horizontal tilt angle of described vibration separation screen B upper strata screen cloth and lower screen is 14 °;
Described vibration separation screen B vibrating motor two angle got rid of between block is 90 °.
The material grain separation rate of above-mentioned technique reaches 99.9%, secondary husking yield reaches 96%, the credit rating of finished product buckwheat rice is better than industry primary standard, the purity of buckwheat rice can reach 99.94%, unsound grain quality 0.8%, impurity 0.06% (mineral matter 0.03%, non-husking yield 0.03%), crack rice 0.8%.
Embodiment 5
A kind of buckwheat height polished rice rate processing technology, comprises the steps:
1) screen: the vibration separation screen A of batch mixing first through being provided with upper and lower two-layer screen cloth containing small part buckwheat skin, buckwheat rice and band shell buckwheat after shelling is screened, carry out the rough separation of first time paddy, buckwheat skin is delivered in the collecting bin of wind network system by suction-type vertical air suction separator; The upper sieve net oversize of sieve nest is large grain type band shell buckwheat, accounts for 15% with shell buckwheat quality in described batch mixing; Lower screen screenings is broken buckwheat rice and trifle in the world, enters collecting bin; Lower screen oversize is buckwheat rice and granule type band shell buckwheat, and wherein the mass ratio of buckwheat rice is 46%;
The described batch mixing batch mixing that to be buckwheat shelling rate be after the shelling of 47%;
Described vibration separation screen A upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen A upper strata sieve number is 6 orders;
Described vibration separation screen A lower screen mesh number is 9 orders;
The horizontal tilt angle of described vibration separation screen A upper strata screen cloth and lower screen is 3 °;
Described vibration separation screen A vibrating motor two angle got rid of between block is 18 °;
2) look choosing: the lower screen oversize after screening enters color selector by elevator and carries out look choosing separation, carry out tertiary colo(u)r(s) choosing successively, first look time choosing adopts that heterochromatic grain is counter selects technique, second and third look choosing adopts heterochromatic grain key player on a team technique, first time, look selected isolated granule type band shell buckwheat and step 1) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, the buckwheat rice got enters the choosing of second time look, and in batch mixing, the mass ratio of buckwheat rice is 80%; Second time look select the continuation of granule type band shell buckwheat and step 1 of getting) in the large grain type band shell buckwheat that retains of upper strata screen cloth mix, isolated buckwheat rice enters third time look choosing, in batch mixing, the mass ratio of buckwheat rice is 92%, third time look select the granule type band shell buckwheat got and subsidiary go out buckwheat rice be back to first time look and select and again carry out look choosing, isolated semi-finished product buckwheat rice purity reaches 99.7%;
Described color selector basic technological parameters is: feeding capacity is adjusted to: 30; Forward sight background luminance: 23; Backsight background luminance: 18; Forward sight disease point width: 2; The pale yellow area of forward sight: 5; Backsight disease point width: 2; The pale yellow area of backsight: 5;
The anti-technological parameter that selects of described heterochromatic grain is: the front side stain of bright sensitivity is: 25; Front side is pale yellow is: 50; Rear side stain is: 25; Rear side is pale yellow is: 50; Dark sensitivity number is all 0;
Described heterochromatic grain key player on a team technological parameter is: the front side stain of dark sensitivity is: 30; Front side is pale yellow is: 88; Rear side stain is: 30; Rear side is pale yellow is: 88; Bright sensitivity number is all 0;
3) cold-heat treatment: by step 2) first time and the second time granule type band shell buckwheat selected of look and step 1) in the large grain type band shell buckwheat Homogeneous phase mixing that retains of upper strata screen cloth, be placed in steam box and shakeout, thickness of feed layer 10cm, pass into steam treatment 5min, steam pressure 0.11MPa, stir, leave standstill 8min, then in-25 DEG C of freezing 16min; Finally put into microwave dryer to shakeout, thickness of feed layer 6cm, in frequency 2450MHz, power 4kW, temperature 85 DEG C of microwave irradiation 3min, enter the shelling of hulling machine secondary in batches;
4) screen: select isolated buckwheat rice to adopt the vibration separation screen B sieving and grading being provided with upper and lower two-layer screen cloth through look, isolate broken buckwheat rice and gently mix, obtaining finished product buckwheat rice;
Described vibration separation screen B upper strata screen cloth and lower screen are the square-mesh screen that diameter is the stainless steel braided steel wire of 0.8mm;
Described vibration separation screen B upper strata sieve number is 6.5 orders;
Described vibration separation screen B lower screen mesh number is 10 orders;
The horizontal tilt angle of described vibration separation screen B upper strata screen cloth and lower screen is 16 °;
Described vibration separation screen B vibrating motor two angle got rid of between block is 70 °.
The material grain separation rate of above-mentioned technique reaches 99.9%, secondary husking yield reaches 95%, the credit rating of finished product buckwheat rice is better than industry primary standard, the purity of buckwheat rice can reach 99.9%, unsound grain quality 1%, impurity 0.1% (mineral matter 0.05%, non-husking yield 0.05%), crack rice 1%.