CN105149035B - A kind of long-grained nonglutinous rice processing method and system of processing - Google Patents

A kind of long-grained nonglutinous rice processing method and system of processing Download PDF

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CN105149035B
CN105149035B CN201510399954.9A CN201510399954A CN105149035B CN 105149035 B CN105149035 B CN 105149035B CN 201510399954 A CN201510399954 A CN 201510399954A CN 105149035 B CN105149035 B CN 105149035B
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rice
machine
surge bunker
buffering
rough
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CN105149035A (en
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代艳玲
周刚
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Hubei Tianbin Machinery Co ltd
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Abstract

The invention discloses a kind of long-grained nonglutinous rice processing method and system of processing, the processing method includes cleaning, goes stone, rice huller paddy and rice husk separation, moistens the techniques such as rough, multistage husk rice, multistage polishing, multistage color sorting, and surge bunker buffering and magnetic separation step are provided with before each key step.So that rice obtained by processing has larger improvement in outward appearance, color and luster, mouthfeel etc., product quality is not only improved, reduces broken rice rate, improves rice milling yield.

Description

A kind of long-grained nonglutinous rice processing method and system of processing
Technical field
Grain processing of the present invention, more particularly to a kind of long-grained nonglutinous rice processing method and system of processing.
Background technology
Paddy is the most important grain variety in China, and its yield accounts for 40% or so of whole total output of grains, and rice It is that paddy forms through the stone roller system that shells." bread is the staff of life ", rice are not only the staple food on our dining tables, and the original of food industry Material.Rice is a flourishing long time product, is constantly expanded by the population of staple food and area of rice.The domestic rice propensity to consume With the improvement of people's living standards, increasing to high quality white rice demand.With the increase of population, and paddy cultivated area Increase is slow, and following domestic rice market demand is increasing, and day is becoming tight.
From the point of view of statistics in recent years, whether from the quantity of processing enterprise, or the personnel of processing are with adding The output of work has obvious growth, and from the point of view of the enterprise development situation of rice processing, private enterprise catches up from behind greatly Imposing manner, quantity cumulative year after year.From the point of view of the yield of the processing of rice in recent years, growth is surprising, is about increased compared with last year every year 5000000 tons or so, from the point of view of the processing situation of each province, have and significantly increase, promote the steady development of China's economy.
At present in rice production enterprise, large enterprise is generally adopted by the production of twin producing line either multiple production line Pattern, the processing of different quality different brackets rice can be completed simultaneously.And this target can not be then realized in medium-sized and small enterprises, it is main If single line produces, a kind of quality rice may only be processed.
In processing technology, although also there is many enterprises to grind processing procedure sequence, the machine of rice mill using multiple tracks in process Interior pressure reduces, light fine ground mill, endosperm be damaged it is small, crack rice few, improve rice milling yield, reduce rough white irregularity.Rice is also entered Polishing is gone, the floating chaff of rice surface is removed, increases the luminosity of the grain of rice, increases the fresh-keeping time.But its rice whitening is with throwing The requirement of light and color sorting is also not enough to the optimum level for reaching rice processing quality.It is big with outlet that current enterprise refines rice The manufacturing procedure of rice typically carries out pearling, 2 grades of polishings, one-level color sorting using 2-3 levels stone roll;During processing mark one meter (general rice) Using 1-2 level stone pearlings, the polishing of 1-2 levels, one-level color sorting or as follows without color sorting, its technological process:
Raw grain → cleaning → go stone → magnetic separation → rice huller paddy+rice husk separation → rough separation of paddy → multistage pearling → rice grading → With rice → 1-2 levels polishing → one-level color sorting → rice grading → length grading → packaging → finished bin.It is but of the prior art Miyi is broken in rice processing method process, and rice milling yield is low, and goes out the inferior shortcoming of rice.
The content of the invention
It is contemplated that the deficiency for long-grained nonglutinous rice processing method of the prior art, there is provided a kind of long-grained nonglutinous rice processing method, lead to Cross the processing method and prepare rice rice milling yield height.
Present invention also offers a kind of long-grained nonglutinous rice system of processing, paddy is processed by the system, there is rice milling yield height, And go out the advantages of meter Pin Zhi is high.
The long-grained nonglutinous rice processing method of the present invention, comprises the following steps:Stone → magnetic separation is gone in raw grain → just clear → cleaning → removing barnyard grass → → surge bunker buffers → hull paddy and rice husk separation → rough separation of surge bunker buffering → paddy → surge bunker buffers → moisten rough → magnetic separation → Surge bunker buffering → first order sand roller opens rough pearling → magnetic separation → surge bunker buffering → second level sand roller pearling → magnetic separation → buffering Storehouse buffering → third level sand roller pearling → surge bunker buffering → rice grading → magnetic separation → surge bunker buffering → fourth stage sand roller is ground In vain → magnetic separation → surge bunker buffering → level V sand roller pearling → surge bunker buffering → rice grading → surge bunker buffering → selected Selected → cool rice of machine → with rice device with rice → magnetic separation → surge bunker buffering → first order polishing → magnetic separation → surge bunker buffering → First order color sorting → magnetic separation → surge bunker buffering → second level polishing → magnetic separation → surge bunker buffering → second level color sorting → buffering Storehouse buffering → rice grading → magnetic separation → surge bunker buffering → third level polishing → magnetic separation → surge bunker buffering → third level color sorting → magnetic separation → surge bunker buffering → fourth stage polishing → surge bunker buffering → rice grading → surge bunker buffering → refiner is selected → magnetic separation → packaging.
Optionally, step removes stone and goes between the magnetic separation after stone to be additionally provided with electronic measurement step, by electronic measurement, The weight of the paddy after stone can be measured away, goes out rice so as to preferably control the operation of other steps and calculate finished product Rate.
Optionally, in the rough step of the profit by moisten the rough biodiversity percentage composition made in brown rice 14~16% it Between, preferably 15%, greatly to reduce the amount of cracking rice.
Optionally, big impurity of the diameter in the just clear removal paddy using cylindrical pre-cleaning screen in more than 5.0mm.
Optionally, the cleaning is to remove removing light impurities, below diameter 5.0mm using vibrating cleaning sieve or rotary flat sieve It is remaining big miscellaneous in small miscellaneous and just clear.
Optionally, it is described except barnyard grass screens out barnyard grass using vibration at high speed.
Optionally, the rough separation of the paddy is successively including the use of gravity type paddy separator separating step, surge bunker buffer step Rough step is removed with using plansifter for paddy separation.
Present invention also offers a kind of long-grained nonglutinous rice system of processing, including the following master device being disposed adjacent successively:Receiving sieve → Cleaning sieve → except the sand of barnyard grass sieve → stone remover → hulling machine → grain separating machine → rough device of plansifter for paddy separation → profit → first The abrasive type rice whitening machine of the abrasive type rice whitening machine of roller rice mill → second → the 3rd → abrasive type rice whitening machine → the of the first white rice grader → the four The refiner → cool rice barn → of the white rice grader of five abrasive type rice whitening machines → second → first with rice device → first polishing machine → the first Color selector → 4th of the polishing machine of the white rice grader of the color selector of the polishing machine of color selector → second → second → the 3rd → the 3rd → the 3rd The white rice grader of polishing machine → the 4th → the second refiner → packing device;
Be provided with surge bunker above each master device, the surge bunker outlet above each master device with master below The entrance connection of device, is provided with elevator between two neighboring master device, adjacent thereto upper one of the entrance of elevator The rice output outlet connection of master device, the outlet of elevator is connected with the surge bunker above next master device;
Second abrasive type rice whitening machine, the 3rd abrasive type rice whitening machine, the 4th abrasive type rice whitening machine, the 5th abrasive type rice whitening machine, second White rice grader, the 3rd white rice grader, the 3rd white rice grader, the second polishing machine, the 3rd polishing machine, the 4th polishing machine, Between two color selectors and the 3rd color selector and each surge bunker of top, or each surge bunker of top and surge bunker upstream Threeway is provided between elevator, one of outlet of the threeway is connected with elevator downstream;
The hulling machine, the first abrasive type rice whitening machine, the second abrasive type rice whitening machine, the 3rd abrasive type rice whitening machine, the 4th sand roller husk rice Machine, the 5th abrasive type rice whitening machine, the first polishing machine, the second polishing machine, the 3rd polishing machine, the first color selector, the second color selector and Each surge bunker above three color selectors and it is provided with magnetic separator between the elevator of each surge bunker upstream.
Optionally, the rough device of profit includes spraying machine and is arranged at net rough storehouse, the spray below spraying machine The entrance of mist dampener is connected with the lift outlet of its upstream, passes through three between the entrance and spraying machine in the net rough storehouse Lead to and connect, the outlet in the net rough storehouse is connected with the elevator of the first abrasive type rice whitening machine upstream.
Optionally, flow scale, the entrance of the flow scale and proposing for upstream are additionally provided between stone remover and hulling machine The machine of liter is connected by threeway, and lower surge bunker, outlet and the lower surge bunker below of flow scale are provided with below flow scale Entrance is connected, and the outlet of the lower surge bunker is connected with elevator entrance downstream, can be to going due to being provided with flow scale Paddy after stone is measured.
Pyatyi sand roller pearling, level Four polishing, three-level color sorting, level Four rice point are employed in the long-grained nonglutinous rice processing method of the present invention Level so that the rice being prepared has the advantages of quality is high, additionally, due to sand roller pearling is used, with using stone roll in the prior art Pearling is compared, and it is larger to overcome stone roll pearling rice mill pressure, is easily produced and is cracked rice during pearling, so as to reduce production The problem of rice milling yield of product, by sand roller pearling, pressure is smaller in abrasive type rice whitening machine, is not likely to produce and cracks rice, by moisten it is rough also more Further reduce and crack rice, so as to improve rice milling yield, in addition, being all provided with before rice huller paddy, abrasive type rice whitening machine, polishing machine, color selector Magnetic separation step is put, can remove magnetisable material by magnetic separation prevents injury device, due in the rough separation of paddy, moistening rough, sand roller stone roller In vain, surge bunker buffer step is added before the step such as rice grading, polishing and color sorting, it can be ensured that material charging is uniform, so as to Using rice has higher quality.
The long-grained nonglutinous rice system of processing of the present invention is due to using abrasive type rice whitening machine pearling, with using stone roll rice mill in the prior art Pearling is compared, and it is larger to overcome stone roll pearling rice mill pressure, is easily produced and is cracked rice during pearling, so as to reduce production The problem of rice milling yield of product, by sand roller pearling, pressure is smaller in abrasive type rice whitening machine, is not likely to produce and cracks rice, and is moistened by moistening rough machine It is rough also further reduce crack rice, so as to improve rice milling yield, in addition, rice huller paddy, abrasive type rice whitening machine, polishing machine, color selector Before be provided with magnetic separator, can remove magnetisable material by magnetic separation prevents injury device, due to paddy it is rough separation, moisten rough, sand Surge bunker is added before the steps such as roller pearling, rice grading, polishing and color sorting, it can be ensured that material charging is uniform, so as to use Rice has higher quality, is provided with multiple threeways in the entire system in addition, and adding for long-grained nonglutinous rice can be flexibly selected by threeway Work step is rapid, technique is flexibly used, and is suitable for all kinds of rice processing requests.
Brief description of the drawings
Fig. 1-1,1-2,1-3,1-4 head and the tail connect the structural representation of the long-grained nonglutinous rice system of processing for the present invention.
Mark is illustrated as in figure:1- receiving sieves;The white rice graders of 101- first;The white rice graders of 102- second; The white rice graders of 103- the 3rd;The white rice graders of 104- the 4th;2- cleaning sieves;The refiners of 201- first;The essences of 202- second Select machine;3- sieves except barnyard grass;The polishing machines of 301- first;The polishing machines of 302- second;The polishing machines of 303- the 3rd;304- the 4th is polished Machine;4- stone removers;The color selectors of 401- first;The color selectors of 402- second;The color selectors of 403- the 3rd;5- hulling machines;6- paddy Rough seperator;7- plansifter for paddy separation;8- flow scales;The abrasive type rice whitening machines of 901- first;The abrasive type rice whitening machines of 902- second; The abrasive type rice whitening machines of 903- the 3rd;The abrasive type rice whitening machines of 904- the 4th;The abrasive type rice whitening machines of 905- the 5th;The cool rice barns of 10-;11- matches somebody with somebody Rice device;12- packing devices;13- surge bunkers;14- elevators;15- threeways;16- magnetic separators;First time grain of 171- Hole;Second time grain hole of 172-;The three times grain holes of 173-;18- spraying machines;19- rough storehouses only;20- finished bins;21- Impurity storage tank.
Embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Embodiment 1
The long-grained nonglutinous rice processing method of the present embodiment, comprises the following steps:Stone → magnetic is removed in raw grain → just clear → cleaning → removing barnyard grass → Paddy is hulled in choosing → surge bunker buffers → and rough → magnetic separation is moistened in rice husk separation → rough separation of surge bunker buffering → paddy → surge bunker buffers → → surge bunker buffering → first order sand roller opens rough pearling → magnetic separation → surge bunker buffering → second level sand roller pearling → magnetic separation → slow Rush storehouse buffering → third level sand roller pearling → surge bunker buffering → rice grading → magnetic separation → surge bunker buffering → fourth stage sand roller Pearling → magnetic separation → surge bunker buffering → level V sand roller pearling → surge bunker buffering → rice grading → surge bunker buffering → essence Selected → cool rice of machine → with rice device is selected with rice → magnetic separation → surge bunker buffering → first order polishing → magnetic separation → surge bunker buffering → first order color sorting → magnetic separation → surge bunker buffering → second level polishing → magnetic separation → surge bunker buffering → second level color sorting → slow Rush storehouse buffering → rice grading → magnetic separation → surge bunker buffering → third level polishing → magnetic separation → surge bunker buffering → third level color Choosing → magnetic separation → surge bunker buffering → fourth stage polishing → surge bunker buffering → rice grading → surge bunker buffering → refiner essence Choosing → magnetic separation → packaging.
In the present embodiment, optionally, step removes stone and goes after stone to be additionally provided with electronic measurement step between magnetic separation, passes through Electronic measurement, the weight of the paddy after stone can be measured away, so as to preferably control the operation of other steps and meter Calculate rice milling yield.
In the present embodiment, optionally, existed in the rough step of profit by moistening the rough biodiversity percentage composition made in brown rice Between 14~16%, preferably 15%, greatly to reduce the amount of cracking rice.
In the present embodiment, optionally, the diameter in the just clear removal paddy using cylindrical pre-cleaning screen is more than 5.0mm's Big impurity.
In the present embodiment, optionally, the cleaning is to remove removing light impurities, diameter using vibrating cleaning sieve or rotary flat sieve Below 5.0mm small miscellaneous and it is just clear in it is remaining big miscellaneous.
It is optionally, described except barnyard grass screens out barnyard grass using vibration at high speed in the present embodiment.
In the present embodiment, optionally, the rough separation of the paddy successively including the use of gravity type paddy separator separating step, delay Rush storehouse buffer step and remove rough step using plansifter for paddy separation.
After testing, the rice processed by the long-grained nonglutinous rice processing method of the present embodiment, rice milling yield can reach more than 60%, and current The production technology rice milling yield of production same level quality is generally 54%, so the long-grained nonglutinous rice processing method processing long-grained nonglutinous rice of the present invention has The advantages of rice milling yield is high.
Embodiment 2
A kind of long-grained nonglutinous rice system of processing is present embodiments provided, including the following master device being disposed adjacent successively:Receiving sieve 1 → Vibratory sieve 2 → except barnyard grass sieves 3 → stone remover, 4 → hulling machine, 5 → grain separating machine, 6 → plansifter for paddy separation 7 → rough device of profit → The white rice grader 101 of first abrasive type rice whitening machine, 901 → the second 902 → the 3rd abrasive type rice whitening machine of abrasive type rice whitening machine 903 → the first → The refiner 201 of 4th 904 → the 5th abrasive type rice whitening machine of abrasive type rice whitening machine, 905 → the second white rice grader 102 → the first → cool rice Storehouse 10 → match somebody with somebody the color selector 402 of 401 → the second polishing machine of rice device 11 → the first polishing machine, 301 → the first color selector 302 → the second The Sibai of → the three the 104 → the 3rd the 303 → the 3rd the 4th polishing machines of 403 → 13- of color selector of polishing machine of white rice grader 304 → the Rice 202 → the packing device of refiner 12 of classifying screen 105 → the second;
Be provided with surge bunker 13 above each master device, the surge bunker 13 above each master device export with below Master device entrance connection, be provided with elevator 14 between two neighboring master device, the entrance of elevator 14 is adjacent thereto A upper master device rice output outlet connection, the outlet of elevator 14 is connected with the surge bunker 13 above next master device;
Second abrasive type rice whitening machine 902, the 3rd abrasive type rice whitening machine 903, the 4th abrasive type rice whitening machine 905, the 5th sand roller are ground Rice machine 905, the second white rice grader 102, the 3rd white rice grader 103, the 4th white rice grader 104, the second polishing machine 302, 3rd polishing machine 303, the 4th polishing machine 304, the second color selector 402 and the 3rd color selector 403 and the surge bunker 13 of each top Between, or threeway 15 is each provided between the surge bunker 13 of top and the elevator 14 of the upstream of surge bunker 13, described three Logical 15 one of outlet is connected with elevator 14 downstream;
The hulling machine 5, the first abrasive type rice whitening machine 901, the second abrasive type rice whitening machine 902, the 3rd abrasive type rice whitening machine 903, Four abrasive type rice whitening machines 904, the 5th abrasive type rice whitening machine 905, the first polishing machine 301, the second polishing machine 302, the 3rd polishing machine 303, First color selector 401, each surge bunker 13 of the second color selector 402 and the top of the 3rd color selector 403 and each upstream of surge bunker 13 Elevator 14 between be provided with magnetic separator 16.
In the present embodiment, optionally, the rough device of profit includes spraying machine 18 and is arranged under spraying machine 18 The net rough storehouse 19 in side, the entrance of the spraying machine 18 connect with the outlet of elevator 14 of its upstream, and the net rough storehouse 19 enters Connected between mouth and spraying machine 18 by threeway, the outlet and the upstream of the first abrasive type rice whitening machine 901 in the net rough storehouse 19 Elevator 14 connects.
Optionally, flow scale 8, the entrance of the flow scale 8 and upstream are additionally provided between stone remover 4 and hulling machine 5 Elevator 14 connected by threeway 15, be provided with lower surge bunker 13 in the lower section of flow scale 8, the outlet of flow scale 8 with it The entrance of lower surge bunker 13 connection of side, the outlet of the lower surge bunker 13 is connected with the entrance of elevator 14 downstream, due to setting Flow scale 8 is equipped with, can be to going the paddy after stone to measure.
In the present embodiment, it is preferred that in receiving sieve 1, cleaning sieve 2, except barnyard grass sieve 3, stone remover 4, hulling machine 5, the rough separation of paddy Machine 6, plansifter for paddy separation 7, the rough device of profit, the first abrasive type rice whitening machine 901, the second abrasive type rice whitening machine 902, the 3rd sand roller husk rice Machine 903, the first white rice grader 101, the 4th abrasive type rice whitening machine 904, the 5th abrasive type rice whitening machine 905, the second white rice grader 102nd, the first refiner 201, cool rice barn 10, with rice device 11, the first polishing machine 301, the first color selector 401, the second polishing machine 302nd, the second color selector 402, the 3rd white rice grader 103, the 3rd polishing machine 303, the 3rd color selector 403, the 4th polishing machine 304th, the air outlet of the 4th white rice grader 104, the air outlet of the second refiner 202 and each elevator 14, each surge bunker 13 Air outlet is connected to Geldart-D particle spiral dust catcher (not shown), the Geldart-D particle spiral dust catcher by pipeline respectively The port of export be connected with pulse dust collector (not shown) and rice husk precipitation apparatus (not shown) in turn, be arranged such energy Enough the impurity such as rice husk caused by each equipment is recovered in rice husk precipitation apparatus by Geldart-D particle spiral dust catcher, sunk in rice husk Drop to settle rice husk in equipment and collect, ensure long-grained nonglutinous rice processing environment air quality, avoid polluting environment.
Additionally, it is preferred that, impurity storage tank 21 is respectively arranged with the impurities outlet that each device is isolated, so as to isolating Impurity be collected, avoid pollute environment.
Second time grain is further preferably provided with the lower section of grain separating machine 6 and cheats 172, the brown rice transfered to other localities for storage, second Lower grain hole 172 is connected with the charging aperture of the elevator 14 of the upstream of grain separating machine 6, so as to which second time grain to be cheated to the brown rice in 172 Lifted in grain separating machine 6, to realize that the brown rice to investigation mission outside the city or town carries out follow-up processing, in the lower section with rice device 11 preferably also The three times grains hole 173 is provided with, for storing investigation mission outside the city or town rice, elevator is set in the three time grains cheat 173, so as to by the three times grains Investigation mission outside the city or town meter Ti Sheng in hole 173 carries out matching somebody with somebody rice in rice device 11.
Each device in the present embodiment and detailed process are illustrated below:
A, according to paddy and brown rice production process property, material is mainly paddy before equipment hulling machine 5, using common Elevator, after hulling machine 5, material is brown rice and rice, all using slow hoister, avoids the grain of rice because in lifting process It is damaged.
B, the cool storehouse cylinder cross section of rice barn 10 is typically square, and general 2.25~3.5 meters of the length of side is (sometimes according to physical condition It is fixed), storehouse inner wall surface is smooth, can add and do nonpoisonous anti-corrosive paint.Orlop does funneling, and sharp bottom is not less than 60 with horizontal plane angle Degree, is easy to rice to flow.In order to produce automatic classification when preventing rice export, cause quality uneven, to storehouse cylinder cross-sectional area Larger orlop, using multiple exit form, typically using 2~6 outlets, while material in storehouse can be avoided dead angle to be present, it is ensured that Accomplish material first in first out.
The direction perpendicular to the ground in storehouse, 4~8 Guan Shangchong of insertion have a stainless steel tube of tiny holes, aperture with the grain of rice not It can drop out and be defined.The pipe is mainly used in the ventilation and heat of rice inside storehouse, is connected with independent blower fan, blower fan one end is provided with tune Air door, air quantity can be adjusted according to rice surface temperature and water regime, up to the effect of cool-down dehumidification.The cool rice time is generally 12 Hour, rice temperature is reduced to room temperature, reach optimal husk rice temperature.
Surrounding in storehouse, observation window is equipped with every 1 meter of height, observation window is arranged on storehouse using food-grade safety glass Opening, the size of observation window is generally 200*200mm.
C, before main process apparatus, each surge bunker 13 mainly plays buffering material, it is ensured that mass flow uniformly enters down In one of equipment, avoid enter into down that the material of one of equipment is excessive or very few, or even the phenomenon without material occurs, so as to influence to set Standby normal operation and preferable processing technology.The size of surge bunker 13 is determined according to yield, such as produces 100 tons of rice processing of rice daily The surge bunker that can use 1 ton of size of technique.
D, magnetic separator 16 is provided with before the equipment of high speed rotation, before hulling machine 5, each abrasive type rice whitening machine, each polishing machine.By In each color selector category optoelectronic device, to avoid iron impurities from damaging equipment, magnetic plant can be set before him.The mesh of magnetic plant Be to remove paddy, iron impurities contained in rice, avoid iron impurities damage, damage equipment, in addition because of collision friction and Flashing, dust explosion accident is caused, influence processing technology and the production of equipment.Magnetic separator 16 can be used to carry out magnetic impurity Separation.
F, it is worth noting that, the equipment that abrasive type rice whitening machine category rotates at a high speed, it is necessary to safety opening terminal:Before start, it is necessary to will Feed hopper is cleaned out with the foreign matter (such as screw, nut, iron block) in whitening chamber, while checks and influence start is whether there is in equipment Material or influence other foreign matters of equipment, most handy hand fluctuation spindle drive wheel, should not have the phenomenon blocked, if any then necessary Excluded.It is normal etc. equipment open drive during start, then charging processing, when adjusting flow and precision, it should be noted that power is born Ammeter is closed in the lotus control that can not overload, and the ram weight on pressure door should be adjusted according to the precision of raw material variety and needs It is whole, or change different weight ram (when just starting meter, as ram adjust it is too fast, it is easy to cause whitening chamber to block).In If way production leading portion material does not catch up with, feed gate should be closed, feed gate, Bu Yao are slowly opened again after waiting material abundance Produced during whitening chamber underfill material.Production finishes, and should first close entrance gate, and after 1min is rerunned, the rice of whitening chamber grinds After, after material all clears out, turn off power.
Should be adjusted in production process according to machining accuracy, raw material condition, yield size the disengaging port strobe of rice machine, rice knife, The parameters such as rice huller screen, suction air volume size.
In whole technological process, it should be noted that it is following some:
1st, lower grain hole 171 is preferably provided with before receiving sieve 1, raw grain is first poured into lower grain hole 171, then boosted machine 14 liftings are into the surge bunker 13 of the top of receiving sieve 1, when raw grain is through lower grain hole 171, because dust is larger, to avoid to personnel's body Body injures and the influence to environment, should increase suction air volume, avoids raising outside dust.Suction air volume is typically in 1000~2000m3/h.Rice Paddy lifting means uses common elevator, can be according to specific Yield selection model.
2nd, receiving sieve 1:The just clear purpose of receiving sieve 1 is to remove the big impurity in paddy, such as stalk, weeds, cloth waste, fiber crops Rope, larger stone, soil block etc., such as without cleaning, following apparatus can be blocked.Now many grain processing enterprises, for figure Grain convenient, that just purchase is returned, direct blanking production, therefore, contained impurity is more.This procedure can be using clear at the beginning of cylinder Sieve, typically uses sieve diameter 13.0~20.0mm screens.(note:It is miscellaneous greatly to generally refer to be deposited in more than diameter 5.0mm sieve apertures Impurity.Impurity refers to by diameter 5.0mm sieve apertures, the impurity remained in more than diameter 2.00mm sieve apertures shoulder to shoulder.Small impurity refers to logical Cross the screenings of diameter 2.0mm sieve apertures.) exit material is to be substantially free of big miscellaneous paddy, barnyard grass, light small miscellaneous and material shoulder to shoulder Material.
3rd, cleaning sieve 2:Cleaning sieve 2 effect be that material is further cleared up, mainly clear removing light impurities and it is small it is miscellaneous with And part is big miscellaneous.Cleaning sieve 2 typically uses vibrating cleaning sieve or rotary flat sieve., can be according to original during using vibrating cleaning sieve Material situation, select different screen sizes.For raw grain containing miscellaneous more, upper strata compass screen surface may be selected circular hole compass screen surface, and sieve diameter 5.0~ 10mm, it is blocked up and influence screen technique to prevent from sieving the impermeable or bed of material, it is main remove it is big miscellaneous.Second layer compass screen surface sieve diameter 2.0 ~5.0mm, circular hole, strip hole, delthyrium, mainly remove small miscellaneous.6 ° of screen angle, 20 ° of angle of throw, screenings are small It is miscellaneous.At material outlet, equipped with vertical air suction road, remove light miscellaneous in material.The common elevator of lifting means.Exit thing Expect for containing paddy, barnyard grass and the material of impurity shoulder to shoulder.
4th, except barnyard grass sieve 3:Except the effect of barnyard grass sieve 3 is to remove big grain barnyard grass, exit material is containing the paddy and shoulder to shoulder thing of impurity Material.
5th, stone remover 4:Stone remover 4 is mainly used in removing the impurity such as stone shoulder to shoulder.It is equal using suction, pressure-type dry stoner Can.10 ° of stone working face inclination angle is gone to, the mean wind speed by crimped wire woven mess after stone remover 4 is 1.2~1.3m/s.Using suction Specific-gravity stoner, suction air volume are determined according to yield, and crimped wire woven mess uses one side projection fish scale hole screen face.The stone cleaned out is direct Packing.The common elevator of lifting means, exit material contain paddy.
0.6% is not to be exceeded containing miscellaneous total amount by the paddy after stone remover, wherein 1/kg is not to be exceeded containing sandstone, containing barnyard grass 130/kg is not to be exceeded.
6th, flow scale 8:A paddy flow scale 8 is provided with behind stone remover 4, mainly measures the amount of paddy, for meter Calculate labour's account cost and provide safeguard and calculate rice milling yield.
7th, hulling machine:Purpose is to make paddy husking, and brown rice, paddy and husk are carried out into husk separation by selection by winnowing.Will Ask:Paddy husking rate is more than 80%, in rice husk separation process, is no more than 30/kg, the rough mixing of paddy containing full grain grain in rice husk Amount containing rice husk is no more than 0.8% in thing.
General to use gas hold-down roller hulling machine, the equipment yield is high, and energy consumption is low, and noise is low, and roll-in regulation is accurate, is easy to certainly Dynamic control, drum structure is simple, the features such as convenient disassembly.Paddy passes through feed arrangement, is entered in the form of individual layer grain material Rice huller paddy working face, makes working face (two rubber rolls, referred to as fast slow rollers or fixed and moving of the paddy side by two different motion speeds Roller, for working face made of rubber) extruding, rub the effect of tearing with the hands and slough rice husk (also referred to as extruding rub with the hands avulsion shell).According to rice The floating velocity of shell has larger difference with paddy, brown rice, therefore available pneumatic concentration separates rice husk from the lower thing of rice huller.In addition, Rice husk and paddy, the density unit weight of brown rice, coefficient of friction etc. also have larger difference, thing under rice huller is produced well automatic Classification, is then engaged with pneumatic concentration again, is more beneficial for improving the effect of selection by winnowing separation and reduces energy consumption.Typically using outside suction It is preferable with wind regime separation rice husk effect, device interior is in negative pressure state, raised so as to avoid outside equipment dust.Directly hulling Paddy machine discharge port end has drops down plate, air register and aspiration channel for husk separation, makes automatic point of generation when thing is by dropping down plate under rice huller Level, by air register regulating air volume, is sucked away in aspiration channel, has reached the effect of husk separation.
8th, grain separating machine 6 and plansifter for paddy separation 7:It is required that brown rice rice containing amount is no more than 30/kg, rice huller paddy is returned containing rough Amount is no more than 10%, returns the machine material flow and is less than 40% with the ratio between rough flow only.
The rough separation of paddy mainly uses gravitational separation process, i.e. gravity type paddy separator, using paddy and brown rice on proportion, surface The difference of the physical characteristics such as coefficient of friction, by inclined in two-way and coarse work face of reciprocating vibration is done, produces mixture of paddy and husked rice Raw automatic classification, paddy " floating ", and brown rice " sinking ", brown rice are upward to move from work under the promotion of coarse work face boss Make the top discharge in face.Paddy then moves down in the presence of self gravitation and charging thrust, is discharged by lower outlet, so as to real The rough separation of existing paddy.
Plansifter for paddy separation 7 is rubbed using paddy and brown rice in granularity, proportion, unit weight and surface roughness and surface The difference of the physical characteristics such as coefficient is wiped, mixture of paddy and husked rice is produced automatic classification, dynamics on the compass screen surface for making plane rotation motion Greatly, proportion is small, shaggy paddy floats on material upper strata, and small, more smooth than great, the surface brown rice of granularity is sunken to bottom Layer.Brown rice contacts with compass screen surface and passes through sieve aperture, turns into screenings, paddy is obstructed by brown rice layer, and can not be contacted with compass screen surface, no Sieve aperture easily is passed through, turns into oversize, so as to realize the rough separation of paddy.
In this process, gravity type paddy separator is used for the separation of main body mixture of paddy and husked rice, and plansifter for paddy separation 7 is used for Gravity type paddy separator isolates back the secondary screening of the mixture of paddy and husked rice of the machine, it is therefore an objective to improves separating effect.Because gravity paddy is rough Seperator is the separation of main body mixture of paddy and husked rice, in equipment debugging, can be turned net rough mouth and paddy mouth down, it is ensured that net rough matter Amount, reduce in paddy and contain rough amount, so as to avoid the secondary rice huller paddy of brown rice.
9th, rough device is moistened:Peeling degree is to weigh the Main Basiss of rice processing accuracy.Due to brown rice peel layer and endosperm knot Close very close, all cortexes of brown rice are all ground relatively difficult, particularly some moistures are very low, storage time compares Long brown rice, many economic benefit and rice cracked rice, have a strong impact on processing enterprise can be produced by reaching the high machining accuracy of comparison The reasonable utilization of paddy resource, therefore, brown rice is carried out moistening rough.Brown rice most preferably enter grind moisture when, it is rough go out white rate highest, go out broken Rate is minimum, and power consumption most saves, and product quality is best.The optimum moisture of general long-grained nonglutinous rice pearling is 15%, therefore the size of rate of water added, Gap according to optimum moisture and the original moisture of brown rice is foundation.If the moisture of the brown rice after shelling close to optimum moisture, 0.3% or so water need to only be added, it is therefore an objective to moisten cortex, and supplement the moisture loss during pearling.It can use and spray Water dispenser, ensure the uniformity of dampening.Moisten it is rough carried out in net rough storehouse, it is typically quenched using cold water, moisten the rough 1 hour time.
10th, the first abrasive type rice whitening machine 901:Because brown rice surface is harder, therefore using grinding the pearling mode based on pearling of cutting, Rough pearling is carried out out to brown rice with sand roller rice machine.During work, by the finished net brown rice of Qian Dao workshop sections, enter from feed hopper and grind In rice machine whitening chamber, with the rotation of sand roller, brown rice advances along sand roller perficial helical, and the abrasive action that sand roller is rotated by high speed obtains To pearling, finally by the helicla flute in sand roller, the grain of rice is pushed to exit, is flowed out from discharging gate.Meanwhile in strong air draught Under effect, force chaff powder to depart from the grain of rice, discharge sieve aperture, finally by suction chaff systematic collection rice bran.
11st, second and third, four, five abrasive type rice whitening machines:Rice needs to grind processing procedure sequence by multiple tracks, pressure in the machine of rice mill Small, light fine ground mill, endosperm is damaged small, few, then rice milling yield raising of cracking rice, the rough white irregularity of reduction.Due to the structural strength of long-grained nonglutinous rice It is poor compared with the polished rice in northeast, therefore, during rice whitening, the side of three-level, level Four or Pyatyi sand roller rice machine pearling can be used Formula, typically using level Four, Pyatyi sand roller pearling.Multistage light stone roller, reduces whitening pressure, so as to reduce out broken rate, improves finished product Rice milling yield.Threeway is installed after per pass sand roller rice machine, is easy to the flexible operating of technique, i.e., according to the processing situation and product of raw material Matter requirement, the different technological process of appropriate selection.Concentration equipment is equipped with before per pass rice machine, avoids magnetisable material damage from setting It is standby.
12nd, white rice grader:Each white rice grader is preferably flat turn sieve, in the 3rd abrasive type rice whitening machine 903 and the 5th sand roller Behind rice mill 905, white rice grader is placed respectively.First white rice grader 101, it is mainly used in extracting first three road sand roller husk rice Cracked rice caused by machine, so as to mitigate the operating pressure of follow-up equipment.Carried in this road it is broken during, can suitably relax whole rice Requirement, only extract small brokens.Second white rice grader 102 is mainly used in extracting all broken caused by former road sand roller rice machines Rice, be advantageous to be lifted the processing quality of rice, mitigate the pressure store of cool rice barn.Carried in this road it is broken in, to be strict with whole rice Requirement, can by it is big it is broken be put into follow-up roller and select machine to carry out final election, selected, the whole rice and general meter Yi Qi chosen are imported into The cool cool rice of rice barn.Small broken and big broken rice can be packed or be sent to as needed with rice device, match somebody with somebody rice for finished product.
13rd, refiner:White rice grader yield is high, has again and the function of chaff is gone with cool rice except dwelling.But either plane Roto-siofter or slide sieve, all can not be clean by whole rice and separation of cracking rice, and often contains whole rice in cracking rice containing cracking rice in whole rice.Will Want to obtain crack rice few whole rice and the whole rice crack rice mixed people as far as possible in of containing as far as possible to put forward more, it is simple by the method screened It is difficult to gather effect.Refiner is a kind of equipment being classified by length, and its separative efficiency is high, strong adaptability, but yield is relatively low.Such as The outlet material of rotary flat sieve is handled with refiner, then, the quality and quantity of whole rice will be enhanced.Refiner is profit It is classified with the pocket material different to length.Refiner typically uses cylinder separator, and its main working parts is in one Surface strikes out the horizontal cylinder of pocket, also known as roller.Short grain collecting tank is provided with roller.It is small it is broken, in it is broken then can be in cylinder Inner surface forms relative motion contact pocket and separated.Cylinder refiner mainly plays an inspection, so favourable In the rice milling yield for improving finished product rice.The processing of this procedure be hundred meters of gradation sizings from it is various crack rice, recovery, which is mixed in, cracks rice In whole rice, while cracking rice for similar size is sorted out, accomplishes that homogeneity merges.
14th, cool rice barn 10:For rice polishing, whether brightness and the broken index of increasing, cold rice polishing are substantially better than hot rice and thrown Light.Therefore, increase cool rice barn before polishing machine and carry out cool rice technique, make meter Wen close to room temperature, after not only improving rice polishing Brightness, increasing broken 1~2% can be reduced, improve rice percentage of head rice, increased caused by reducing fuel factor broken.
This technology uses the cool rice of cool rice barn 10 12 hours, and smooth treatment is done in storehouse, it is ensured that material is first without dead angle, material in storehouse Enter and first go out, to rice barn inside heat absorption dehumidification treatments, surrounding every 1 meter of height in storehouse is set to be seen the middle seamless steel pipe by holes punched on surface Window is examined, is easy to understand rice barn inner case in time.Cool rice barn uses multiple exit structure, specifically determines to export according to the area in storehouse Number, typically using 2~6 outlets.
15th, with rice device 11:With the packaging of rice device 11 with rice barn, with rice device and belt conveyor, from rice barn discharging opening Rice grain pattern out is crossed with rice device with being fallen on after rice on belt conveyor, and the elevator in downstream is then transported to by belt conveyor In.In recent years, horn of plenty rice product structure, more and more used in newly-built rice factory and match somebody with somebody rice technique.It is general to use in China General rice is matched somebody with somebody into rice in the way of certain formula collocation, mixing.Key equipment with rice be flow controller (matching somebody with somebody rice device) and Mixing apparatus.Whether rice device is matched somebody with somebody using positive displacement or weight-type, its purpose is just as, and is all intellectualized operation, automatically Change degree is high, and operation is also simple and convenient.User presses according to each flow value for matching somebody with somebody rice device of formula setting, intelligent flow regulating system The system mathematic model is adjusted, and drives valve execution system regulation hopper section, flow is reached setting value, completes to match somebody with somebody The quantitative criteria of rice.
From the material come out with rice device 11, typically conveyed using belt conveyor.Upper and lower lamination, into following process work During sequence, will preferably it mix.Mixing apparatus need not be specially equipped with, causes to increase broken.
In addition, the capacity with rice device typically takes the storage time of 1~2 hour to calculate.Storehouse number typically takes 4~6, with rice Place big broken, whole rice, other kind rice etc. respectively, some clients also require by it is small it is broken be also individually placed in finished bin, according to Need to match somebody with somebody rice.
16th, polishing machine:The polishing of rice is necessary programs of the refined meter Jia Gong with producing high quality white rice, and polishing is mainly borrowed Help rubbing action to remove the floating chaff of rice surface, increase the luminosity of the grain of rice, increase the fresh-keeping time.Polishing typically uses iron roll Polishing machine, the operation principle of iron roll polishing and iron roll pearling are essentially identical, wipe from pearling, by collision, polish pressure, rolling, axle Completed after to conveying and 5 process collective effects of spray damping.But polishing is not to grind to remove overall chaff layer, but grinds and remove trickle chaff Raised starch particulate on powder and rough surface., from compared with working method is come, following difference be present with pearling in polishing:1. polishing pressure Power is low;2. the density for polishing grain of rice fluid is small;3. the grain of rice leaves the speed of iron roll during polishing;4. specific yield Polishing Motion Area is big.In the art using 4 polishings.Per pass polishing uses threeway below, makes technique flexible, is easy to according to raw material Quality and processing situation, specifically determine technological process.Multiple tracks polishes, and multistage light stone roller, on the premise of quality is ensured, reduces husk rice Pressure, reduction are cracked rice, and improve the quality and rice milling yield of finished product rice.
17th, color selector:Apparatus of selecting rice color be according to the difference of rice optical characteristics, will be different in rice using photoelectric technology Coloured particles automatic sorting comes out, and so as to reach lifting rice quality, goes deimpurity effect.Selected thing enters from the hopper at top Machine, by the vibration of vibrator assembly, sorted materials glide along passage, accelerate the observation area entered in separation chamber that falls, and Passed through between sensor and background board.In the presence of light source, according to the power and color change of light, system is set to produce output letter The work of number drive magnetic valve blows out heterochromatic particle and is blown in the waste chamber of receiving hopper, and good sorted materials drop down onto splicing under continuing Struggle against finished product intracavitary, so as to reach the purpose sorted.
There is good color sorting effect for shallow water Huang in the requirement of high-end color sorting, scab, the rice that shades, once take out of than can Up to 1:More than 1, it is secondary to take out of than can reach 15:More than 1 is (bad:It is good);Heterochromatic, scab and other impurities are selected once to take out of than can Up to 1:More than 1, it is secondary to take out of than up to 15:More than 1 is (bad:It is good);Core is selected once to take out of in vain than up to 1:More than 1, it is secondary to take out of Than up to 25:More than 1;The complete white grain of choosing, complete yellow grain are once taken out of than up to 1:More than 1, it is secondary to take out of than up to 30:More than 1 It is (bad:It is good).
Modern rice processing enterprises, in grain purchases, it is typically all directly to purchase, directly processes, therefore supplied materials quality Also it is uneven, yellow rice kernel, heterochromatic rice, go mouldy etc. it is more, it is therefore, big using three-level color sorting, lifting during processing arrangement The processing quality of rice.In the certified products exit of every grade of color selector, using threeway, to improve the flexibility of technique.
17th, packing device 12:The packing method of rice finished product mainly has gassiness packaging, vacuum packaging, three kinds of gas flush packaging.Bag Dress specification mainly has 1kg, 2.5kg, 5kg, 10kg, 25kg, 50kg equal-specification.Different bags can be selected according to different requirements Dress mode and packing specification.
In the rice processing industry in modern times, while the technique of use above advantage, make rice in outward appearance, color and luster, mouthfeel etc. Aspect has larger improvement, not only improves product quality, reduces percentage of raw brokens, improves rice milling yield.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic; And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (10)

1. a kind of long-grained nonglutinous rice processing method, it is characterised in that comprise the following steps:Raw grain → just clear → cleaning → removing barnyard grass → go stone → Paddy is hulled in magnetic separation → surge bunker buffers → and rough → magnetic is moistened in rice husk separation → rough separation of surge bunker buffering → paddy → surge bunker buffers → Choosing → surge bunker buffering → first order sand roller open rough pearling → magnetic separation → surge bunker buffering → second level sand roller pearling → magnetic separation → Surge bunker buffering → third level sand roller pearling → surge bunker buffering → rice grading → magnetic separation → surge bunker buffering → fourth stage sand Roller pearling → magnetic separation → surge bunker buffering → level V sand roller pearling → surge bunker buffering → rice grading → surge bunker buffering → Selected → cool rice of refiner → delay with rice device with rice → magnetic separation → surge bunker buffering → first order polishing → magnetic separation → surge bunker Punching → first order color sorting → magnetic separation → surge bunker buffering → second level polishing → magnetic separation → surge bunker buffering → second level color sorting → Surge bunker buffering → rice grading → magnetic separation → surge bunker buffering → third level polishing → magnetic separation → surge bunker buffering → third level Color sorting → magnetic separation → surge bunker buffering → fourth stage polishing → surge bunker buffering → rice grading → surge bunker buffering → refiner Selected → magnetic separation → packaging.
2. long-grained nonglutinous rice processing method according to claim 1, it is characterised in that step is removed stone and gone between the magnetic separation after stone It is additionally provided with electronic measurement step.
3. long-grained nonglutinous rice processing method according to claim 1, it is characterised in that rough make brown rice by moistening in the rough step of the profit In biodiversity percentage composition between 14~16%.
4. long-grained nonglutinous rice processing method according to claim 1, it is characterised in that described that rice is just removed using cylindrical pre-cleaning screen clearly The big impurity of diameter in paddy in more than 5.0mm.
5. long-grained nonglutinous rice processing method according to claim 2, it is characterised in that the cleaning be using vibrating cleaning sieve or Rotary flat sieve goes removing light impurities, below diameter 5.0mm it is small miscellaneous and just clear in it is remaining big miscellaneous.
6. long-grained nonglutinous rice processing method according to claim 2, it is characterised in that described except barnyard grass screens out barnyard grass using vibration at high speed.
7. long-grained nonglutinous rice processing method according to claim 1, it is characterised in that the rough separation of paddy is successively including the use of gravity Grain separating machine separating step, surge bunker buffer step and use plansifter for paddy separation remove rough step.
8. a kind of long-grained nonglutinous rice system of processing, it is characterised in that including the following master device being disposed adjacent successively:Receiving sieve → cleaning sieve → except the sand roller husk rice of barnyard grass sieve → stone remover → hulling machine → grain separating machine → rough device of plansifter for paddy separation → profit → first The sand roller of the abrasive type rice whitening machine of the white rice grader of the abrasive type rice whitening machine of the abrasive type rice whitening machine of machine → second → the 3rd → first → the 4th → the 5th The refiner → cool rice barn → of the white rice grader of rice mill → second → first with rice device → color selector of first polishing machine → first The polishing machine of the color selector of the polishing machine of the white rice grader of the color selector of → the second polishing machine → second → the 3rd → the 3rd → the 3rd → the 4th → the four white rice grader → the second refiner → packing device;
Be provided with surge bunker above each master device, the surge bunker outlet above each master device with master device below Entrance connection, be provided with elevator between two neighboring master device, the entrance of an elevator upper main dress adjacent thereto The rice output outlet connection put, the outlet of elevator is connected with the surge bunker above next master device;
Second abrasive type rice whitening machine, the 3rd abrasive type rice whitening machine, the 4th abrasive type rice whitening machine, the 5th abrasive type rice whitening machine, the second rice Classifying screen, the 3rd white rice grader, the 4th white rice grader, the second polishing machine, the 3rd polishing machine, the 4th polishing machine, the second color Select between machine and the 3rd color selector and each surge bunker of top, or each surge bunker of top and lifting of surge bunker upstream Threeway is provided between machine, one of outlet of the threeway is connected with elevator downstream;
The hulling machine, the first abrasive type rice whitening machine, the second abrasive type rice whitening machine, the 3rd abrasive type rice whitening machine, the 4th abrasive type rice whitening machine, Five abrasive type rice whitening machines, the first polishing machine, the second polishing machine, the 3rd polishing machine, the first color selector, the second color selector and the 3rd color sorting Each surge bunker above machine and it is provided with magnetic separator between the elevator of each surge bunker upstream.
9. long-grained nonglutinous rice system of processing according to claim 8, it is characterised in that the rough device of the profit include spraying machine and The net rough storehouse being arranged at below spraying machine, the entrance of the spraying machine are connected with the lift outlet of its upstream, institute State and connected only between the entrance and spraying machine in rough storehouse by threeway, in the outlet and the first abrasive type rice whitening machine in the net rough storehouse The elevator connection of trip.
10. long-grained nonglutinous rice system of processing according to claim 8, it is characterised in that also set up between stone remover and hulling machine There is flow scale, the entrance of the flow scale and the elevator of upstream are connected by threeway, are provided with below flow scale lower slow Storehouse is rushed, the outlet of flow scale is connected with lower surge bunker entrance below, outlet and the lifting downstream of the lower surge bunker Machine entrance connects.
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