160results about How to "Reduce broken rice rate" patented technology

The invention discloses a refined rice processing method. The refined rice processing method comprises the following steps of rice screening, stone removal, magnetic separation and rice shelling, rice-bran separating, secondary shelling, thickness grading, moisture measurement and drying or atomizing, rice milling and white rice grading, rice cooling, polishing, color sorting, secondary white rice grading and moisture content detection, and packaging. The refined rice processing method comprises a plurality of impurity removal steps, and consequently, the purity of rice is guaranteed, the produced rice is high in purity, and the safety and the processing efficiency in the processing process are guaranteed. In the rice shelling and rice milling steps of the refined rice processing method, the material temperature is strictly controlled so that the material can be always kept in a relative low temperature appropriate environment, and the crack ratio and the broken rice rate can be reduced and the complete particle rate can be increased; the original faint scent of rice is maintained. The refined rice processing method is used for solving the problems of surface damage and uneven polishing in the rice polishing process by controlling the polishing water temperature and the dampening amount; as a result, the surfaces of all the rice grains polished can be kept smooth and clean, and the quality guarantee period of the rice can be prolonged.

The invention discloses a method for milling rice in an embryos retaining manner. A domestic machine for milling rice in an embryos retaining manner is used for milling the rice and comprises a grain hopper, a power transmission system, a polishing system, a machine shell and a system for screening milled rice with embryos, wherein the grain hopper, the power transmission system, the polishing system and the system for screening the milled rice with the embryos are mounted in the machine shell; a feeding opening of the grain hopper is formed in the machine shell; an outlet of the grain hopper is connected with the polishing system; the polishing system is connected with the system for screening the milled rice with the embryos; and the power transmission system provides required power for the polishing system. Finished rice is bright and clean, embryo retaining rate is high, rice husks, rice polishings, the milled rice with embryos and broken rice can be screened automatically, so that the milled rice with embryos do not contain the rice husks, the rice polishings or the broken rice, moreover, in a rice milling process, the temperature is stable, and the energy consumption is small.

The invention discloses a rice fine processing technology which comprises the following steps of unhusked rice screening, stone removal, magnetic separation, soaking in a dietary alkali solution, washing, drying and moisture removal, rice husking, husked rice separation, thickness classification, rice milling, soaking in a soaking solution, drying and moisture removal, white rice classification, rice cooling, polishing, color sorting, secondary white rice classification, sterilization and packaging. According to the method, processing technological procedures are simple, the milled rice rate is high, the production cost of rice processing enterprises can be reduced, and the rice produced through the method is clean, good in degree of finish and low in broken rice rate.

The invention discloses a minitype rice husking machine, which comprises a rice husking shell, a rice husking hopper, a motor, a rice discharging hopper and a sieving body, wherein the motor is located in the rice husking shell, is installed through a motor installing rack, and is directly fixed with a rice husking revolving shaft. A motor butt-joint hole is formed in the rice husking revolving shaft and the revolving shaft is directly butt jointed and fixed with the motor; a groove is arranged on the rice husking revolving shaft; a main body part of the rice husking revolving shaft is provided with a material propelling screw and a reverse screw reversed to the propelling screw; butt joint and fixation between the motor and the rice husking revolving shaft can be realized through bolts; a spring is arranged between the motor and the rice husking revolving shaft; and the two ends of the spring are directly clamped at the two bolts. The problem that the traditional rice husking equipment slips when adopting a belt to transmit is solved, and in addition, the rice husking revolving shaft is directly driven through the motor, so that the energy loss in a transmission process is reduced.

The invention discloses high-plumule millet nutritious rice flour, which comprise the components of plumule-containing millet outer flour, soybean flour, all-millet flour and wheat flour in a weight mixing ratio of 20-30:1-5:3-5:60-80. The processing method of the nutritious rice flour comprises: removing large-size impurities by using a primary cleaning screen; removing small-size impurities in a vibrating screen; removing light impurities; removing stones by a stone removing machine; dressing by magnetic separation; primarily striking grains for husking 40 to 50 percent of grains; secondarily striking grains for husking over 90 percent of grains; dressing by magnetic separation; forcefully coarsening by a roller 1 and coarsely rolling; finely rolling by a roller 4; taking the plumule-containing outer flour by a flour sucker; grading by a grader; dressing by magnetic separation; mixing by a mixer; and packing. The high-plumule millet nutritious rice flour is advantageous over rice flour in terms of vitamin content, mineral content, trace element content and the like, can be used to make various foods and has a balance nutrition structure due to the combination of coarse and fine rice flour. The high-plumule millet nutritious rice flour can improve body immunity and has a remarkable health-care effect. The high-plumule millet nutritious rice flour contains rich dietary fibers and therefore is favorable for promoting gastrointestinal motility and digestion of people. A problem of coarse mouthfeel of millet is solved. The high-plumule millet nutritious rice flour has a strong and agreeable fragrance and is suitable for people of all ages.

The invention discloses an automatic rice milling unit and a control method. The automatic rice milling unit comprises a control device and three sequentially connected rice milling machines. Each rice milling machine comprises a feed door, a rice milling chamber, a roller and a discharge door, wherein the feed door is arranged at the top of the rice milling chamber, the discharge door is arranged at the bottom of the rice milling chamber, both the opening degrees of the feed door and the discharge door can be adjusted, the roller is arranged in the rice milling chamber, and the rotation speed of the roller can be adjusted; the discharge door of the first rice milling machine is connected with the feed door of the second rice milling machine; the discharge door of the second rice milling machine is connected with the feed door of the third rice milling machine; and the rice milling unit further comprises four detection devices; the control device is used for adjusting the opening degrees of the feed doors and the discharge doors of all the rice milling machines, and the rotation speed of the roller according to milled objects detection data obtained by the first detection device, the second detection device, the third detection device and the fourth detection device. Through the automatic rice milling unit and the control method, labor cost can be reduced, and rice quality is improved.

The invention belongs to the field of rice processing, and particularly relates to a fine processing technology of rice. The technology solves the problems that an existing rice processing technologyhas a poor rice processing effect, and processed rice has a high broken rice rate. The technology comprises the following steps of removing impurities in the rice, and then putting the rice in a placewith sufficient sunlight for airing; husking the rice through a rice husker; putting the preliminarily-husked rice into a husked rice separator for husked rice separation, then sifting out unhusked rice, and re-sending the unhusked rice into the rice husker for husking; milling the husked rice to be white through a rice mill; removing brown rice, yellow rice and other mixed-color rice grains in the rice through a color sorter; polishing the rice through a polisher; sterilizing the rice through ultraviolet light; conducting quantitative vacuum nitrogen filling packaging on the sterilized rice,and storing the packaged rice into a rice barn. According to the fine processing technology, a traditional technology is improved, so that the broken rice rate of the processed rice is lowered, and the fine processing effect of the rice is improved.

The invention discloses a rice processing technology. The rice processing technology comprises the following specific steps of screening, specifically, harvested rice is put into a roller precleaner for removing straw and other impurities, and the time is 5 to 10 seconds; stone removing, specifically, the rice screened in the above step is put into a stone remover to remove soil, sandstone blocksand other foreign matters mixed in the rice, and the time is 5 to 10 seconds; magnetic separating, specifically, the rice with the stone removed in the above step is put into a magnetic separator to remove iron chips and other impurities, and the impurity rate is not more than 1%; and dehumidifying. According to the rice processing technology, through screening layer by layer, stone removal and magnetic separation, various impurities in the rice are effectively filtered out, so that the rice processing is cleaner; the cleanliness of the rice is increased, meanwhile the damage of the impuritiesto the processing machine is reduced, and the service life is prolonged; the white rice is graded twice, the broken rice rate of the rice is reduced, the qualified rate of the rice processing is ensured, the rice quality is increased, and better use prospects are brought.

A rice processing system having reduced rate of broken rice comprises a rice conveying and wetting device, a husking device, a rice mill and a polisher. The rice conveying and wetting device is used for wetting cleaned rice and allowing water attaching to the surface of rice to quickly permeate into husks and husked rice. The husking device is used for husking the wetted rice provided by the rice conveying and wetting device so as to husk the wetted rice and separate the husks from the husked rice. The rice mill is used for milling the husked rice conveyed by the husking device so as to obtain white rice. The polisher is used for polishing the white rice conveyed by the rice mill so as to obtain polished rice which is crystal clear and smooth.

The invention relates to the technical field of food processing, one of grain deep processing, in particular to a production method of germinated rice. The production method has the following advantages: more particularly, germination of unhusked rice is directly accelerated to prepare germinated unhusked rice and then the germinated unhusked rice is processed into the finished product, namely germinated rice; in the implementation process, the unhusked rice is soaked and sterilized in ozone water solution prepared by an ozone generator and a gas-liquid mixing pump, so that the pesticides on the surface of the unhusked rice can be effectively oxidized, the pesticide residues can be reduced and the quality of the germinated rice product can be guaranteed; after being soaked in cold water and warm water alternately, the unhusked rice is put in the environment with temperature being 30-33 DEG C and relative humidity being 85-90% to undergo germination acceleration to prepare the germinated unhusked rice; the germinated unhusked rice is processed into the germinated rice after being dried in the low temperature state; the comprehensive nutritive indexes of the germinated rice product produced by the method greatly exceed the comprehensive nutritive indexes of the common rice; the germinated rice product has magical effect on improving sub-health of modern people; and the product has low production cost, good effects and good prospect.

The invention discloses a parboiled rice production and graded soaking method.The method is technically characterized in that cleaned unhulled rice is subjected to graded soaking two times.The cleaned unhulled rice is soaked in a solution of citric acid with the concentration being 1% and cellulose enzyme (enzyme activity is 5000 u/g and concentration is 0.010-0.015%) for the first time, soaking temperature is 45-55 DEG C, soaking pressure is 300-400 kpa, and soaking time is 1-2 h.The unhulled rice soaked for the first time is subjected to filtration so that soaking liquid can be filtered out, second time of normal pressure soaking is performed, and soaking is performed for 2-3 h in a selenium solution with the concentration being 60 micron mol/L at the temperature of 30-45 DEG C.After the unhulled rice is processed, water content is controlled to be 40-42%, the unhulled rice is conveyed into a cooking vessel through a conveying device, the cooking vessel is closed, 120 DEG C saturated steam is introduced, and starch of unhulled rice endosperms is fast gelatinized.The cooked unhulled rice is gradually dried till the water content is 14%, the temperature of the unhulled rice is gradually lowered through a tempering technology after each drying procedure, and it is guaranteed that temperature and water of various portions of the unhulled rice are uniform; the dried unhulled rice is hulled, ground and packaged, and parboiled rice finished products are made.

The barley shelling machine of the present invention relates to the field of agricultural product processing equipment, in particular to a barley shelling machine, comprising a feeding hopper and a fixed grinding disc, characterized in that the feeding hopper is connected to an upper casing through a base, and the fixed grinding disc is There is a feeding channel in the center, which communicates with the feeding hopper; a main shaft is connected to the upper casing through a bearing seat, and the bearing seat is fixedly connected with the upper casing. One end of the main shaft is fixedly connected with a rotating grinding disc, and the other end is There is a belt pulley connected to it, the central axes of the rotating grinding disc and the fixed grinding disc are on the same straight line, and the rotating grinding disc and the fixed grinding disc are arranged parallel to each other; the invention has the advantages of simple structure, high husking efficiency, low broken rice rate, and low energy consumption. The relative speed between the fixed grinding disc and the rotating grinding disc is used to rub the coix seed grain, and the mutual rubbing and friction between the barley grain and the sand grains of the mill disc makes the cortex of the barley grain be torn under different forces, so as to achieve the purpose of shelling.

The invention discloses a refining method for rice processing, and belongs to the field of rice processing. The method comprises the steps that unhusked rice is tedded, specifically, the unhusked riceis tedded in a cement floor in a clear weather with sufficient sunlight; impurities in the unhusked rice are removed, specifically, the unhusked rice is conveyed to a vibrating screen and a magneticseparator in sequence; husked rice is wetted and dried, specifically, the unhusked rice is conveyed into an atomizing device through a conveyor belt, is wetted and then is heated by adopting an automatic constant-temperature heating device; husking is carried out, specifically, the unhulled rice is conveyed into a rice huller for husking treatment; paddy separation is carried out, specifically, the husked rice is conveyed to a specific gravity paddy separator through a conveyor belt for paddy separation; the husked rice is wetted and dried, specifically, the husked rice is conveyed into the atomizing device through the conveyor belt and is wetted; rice milling is carried out, specifically, a rice mill is adopted, it is guaranteed that the stone content of cleaned grains is smaller than 1 grain/kg; milled rice is wetted; the milled rice is polished; color sorting is carried out; sterilizing is carried out; and packaging is carried out. The method has the advantages that the broken ricerate is lower, the appearance quality of the rice is good, the edible quality is high, and the economic benefits of rice processing enterprises are increased.

The invention relates to the technical field of cereal processing, in particular to a rice processing method. The rice processing method specially comprises the following steps that after being washed, unhulled rice is soaked in a sodium carbonate water solution with the concentration being 5% and then is subjected to vacuum freezing and centrifugal treatment, and the unhulled rice is put into water and hulled; brown rice is put into a 2% calcium glycerophosphate water solution to be soaked, the brown rice is put into water after being subjected to vacuum freezing and instant high-temperature treatment, and hulling is carried out; and after rice is dried at a lower temperature, a layer of cow milk protein peptide is sprayed onto the surface of the rice in a mist manner, then, the rice is introduced into a polishing machine to be polished, the rice is dried in an instant high-low-temperature drying manner till the water content is lower than 2%. The finally obtained rice grains are uniform, smooth in surface, satiate and crystal clear.

The invention provides a novel rice milling emery roll which comprises an emery roll body and a metal core sleeve which is embedded in an inner hole of the emery roll body. The novel rice milling emery roll is characterized in that the emery roll body is a special-shaped body composed of a square part and an arc-shaped part, the horizontal plane of the arc-shaped part is connected to the square part, the out-protruding surface of the arc-shaped part points outwards, and long-strip-shaped air spraying holes are respectively formed in two sides of the protruding arc-shaped part. The novel rice milling emery roll is simple in structure, low in manufacturing cost and good in machining quality, can reduce energy consumption and can be widely used in the rice milling industry.