249results about How to "Increase powder yield" patented technology

The invention relates to the field of food, in particular to a flour processing technology. The flour processing technology comprises the following steps of (1) material preparation; (2) clean wheat proportion; (3) wheat wetting; (4) grinding; (5) powder purification; (6) flour blending. According to the flour processing technology, the problem that some smaller particles in materials, which are processed by 9 reduction roller mills, 6 shelling mills and a purifier, are difficultly grinded sufficiently in a tail mill in the grinding process is solved. The flour processing technology has the advantages that the smaller particles are grinded more sufficiently by utilization of impact mills, so that the flour yield is improved, the integrity rate of wheat bran is improved at the same time, and the quality of flour and by-products are guaranteed.

A circumferential seam type supersonic nozzle for metal gas atomization comprises a gas inlet pipe (4) connected with an external gas bottle. The gas inlet pipe is connected with an annular gas chamber (1) of the nozzle, the center of the nozzle is provided with a central hole (2), a supersonic gas spray pipe (3) of a circumferential seam structure is formed on the inner chamber wall and the outer chamber wall below the gas chamber and comprises stabilizing sections, contracting sections, throats and diffusion sections, a seam profile consists of symmetric curves, the profile of the whole spray pipe is the seam profile formed by the curves AB, BC and CD to take the axis of central hole (2) as the symmetry axis, the profile rotates by 360 degrees around the axis of the central hole (2) so that a curved surface is obtained, and an included angle alpha ranging from 0 degree to 6 degrees but not equal to 0 degree is formed by an extension line of a central line of each seam passage and the axis of the central hole of the nozzle in the profile of the gas spray pipe (3) passing through the axis of the central hole of the nozzle. The supersonic nozzle for gas atomization has the advantages that gas flow is uniform, turbulence level is low, and shock waves are absent in a flow field.

The invention relates to the technical field of food processing, and mainly relates to red-core dragon fruit all-fruit powder and a preparation method thereof. The red-core dragon fruit all-fruit powder is prepared by adopting the step of carrying out freeze-drying or spray-drying after red-core dragon fruit pulp and beta-cyclodextrin are mixed, wherein the red-core dragon fruit pulp is prepared by peeling and pulping fresh or freezing red-core dragon fruits, the adding amount of the beta-cyclodextrin is 0.2-1.0 percent of the dry weight of the red-core dragon fruit pulp, and the red-core dragon fruit all-fruit powder has the characteristics that the content of betanin is not less than 3.4mg / g, the water content is not more than 4.5 percent, the rehydration ratio is 8.0-10, the content of dietary fibers is not less than 11.0 percent, and the fatty acid content is not less than 7 percent. The red-core dragon fruit all-fruit powder provided by the invention is pure-natural all-nutrition fruit powder, ensures the instant effect and the mouth feel and the special flavor of the red-core dragon fruit, brings convenience for storage, transportation and carrying, and is wider in market prospect.

The invention discloses a waxy wheat flour milling technological method. The method comprises the following steps of (1) wheat cleaning; (2) wheat wetting including secondary wheat wetting; and (3) break milling and flour purification. Compared with the prior art, the method has the advantages that damage to starch particles and protein can be reduced in the wheat flour milling process by means of the technological method, the flour yield can be increased, and energy consumption can be reduced.

The raw state grain drying apparatus includes storing barn, discharging barn and machine and controller in between. The machine includes wind guiding no-bottom boxes in sandwich or single wall structure and slowly dewatering cavities crossly arranged inside the machine body, at least one heat-controlling slow dewatering part and one cooling and slow dewatering part, a hot blast port, a moisture discharging port and a cold blast distributor. The present invention is superior to available technology, and has high grain stoving quality, reasonable dewatering process, easy operation, high control precision, low power consumption, low running cost, great once dewatering rate and other advantages.

The invention relates to a supersonic gas atomization spraying disc for metal powder preparation. The supersonic gas atomization spraying disc for metal powder preparation comprises a spraying disc upper lip and a spraying disc lower lip. An annular cooling water cavity is formed inside the spraying disc upper lip. A center hole which penetrates through the thickness of the spraying disc upper lipis formed in the center of the spraying disc upper lip and used for allowing a flow guide nozzle to be placed. A gas inlet pipeline which is used for being connected with an external gas source is arranged on the spraying disc lower lip. An annular gas cavity can be formed after the spraying disc lower lip and the spraying disc upper lip are assembled, and a nozzle which is of a semi-Laval structure is formed in an outlet of the annular gas cavity after the spraying disc upper lip and the spraying disc lower lip are assembled. According to the supersonic gas atomization spraying disc for metal powder preparation, the thermal deformation of the spraying disc is reduced by circulating cooling water, the sealing performance of the whole spraying disc structure is protected, and the service life of the spraying disc is prolonged. The spraying disc upper lip and the spraying disc lower lip are assembled to form the nozzle which is of the circular seam type semi-Laval structure, and the width of the throat portion of the nozzle is adjustable. According to the supersonic gas atomization spraying disc for metal powder preparation, a technological adjustment window is wide, the gas consumption is low, the gas flow inside the spraying disc is uniform, and the fine powder yield can be substantially improved.

The invention relates to a preparation method of fruit powder, in particular to a preparation method of anti-adhering spray-drying fruit powder, and belongs to the technical field of food processing. The method comprises the following steps: carrying out freezing-thawing treatment on fruits which are high in sugar content and easy to decay; preheating, adding glycerel monostearte and calsium lactate stearate, and stirring evenly; and adding a drying aid, carrying out homogenization treatment and then carrying out spray drying. According to the method provided by the invention, the usage amount of maltodextrin is greatly reduced; wall adhering is avoided to the greatest extent; and the prepared fruit powder is bright in color and luster and good in taste, is loose powder without progress, and is good in wettability and pure in flavor.

The invention provides a preparation method of coconut powder. The preparation method of the coconut powder mainly involves the following steps of carrying out squeezing, carrying out filtration, carrying out blending, carrying out grinding, carrying out sterilization, carrying out drying, and so on. The preparation method of the coconut powder provided by the invention preserves nutrients, as well as natural color, fragrance and flavor, of the coconut fruits to the maximum extent with the preparation processes simplified; the prepared coconut powder has edible safety and reliability, and is good in fluidity, namely good instant dissolving effects; moreover, the preparation method is high in powder yield so that raw-material costs are saved to the maximum extent. The coconut powder can betaken after direct brewing with water; moreover, the coconut powder can be also utilized as a raw material for making products, including soft drinks, candies, instant foods and so on.

The invention relates to a method for preparing WC / MgO composites with high performance, which comprises: (1) 1 to 5Mum micron of WC and MgO are mixed according to quality ratio of 4:1 to 20:1; (2) quality percentage of 0.5 to 5 percent of stearic acid is added so as to prevent powder from bonding on a tank wall and a milling ball, thus promoting discharging rate of the powder; (3) a ball material rate is 4:1 to 10:1; (4) a ball milling tank is vacuumized and inert gas is led in; (5) continuous ball milling is carried out at the rotating speed of 100 to 500r / minute for 0 hour to 70 hours to obtain WC / MgO nano-composite powder; (6) the obtained powder is dried, cooled, pressed and formed; (7) pressed blank is put into a sintering device of discharge plasma to carry out sintering and the temperature is maintained for 3 to 5 minutes. The method has a simple process, low cost, less investment and high yield; besides, the manufactured powder has fine grain sizes as well as relatively high hardness and toughness and the performance is as excellent as WC / CO composite ceramic; the MgO successfully replaces the rare and noble metal Co and the invention is applicable to industrial production.

The invention discloses a preparation method of superfine yak bone powder. The superfine yak bone powder of which the particle size is 500-700nm is processed by preliminary boning, enzymolysis and residual meat removal and smashing on the raw material yak bone, wherein trypsase is adopted to process the preliminarily boned yak bone in the enzymolysis and residual meat removal process; the additive amount of the trypsase according to the amount of the yak bone is 1100-1300U / g; the enzymolysis temperature is 45-55 DEG C; the enzymolysis time is 1.5-2.5 hours; and the pH value is 10-11. According to the method disclosed by the invention, through mild degradation by using biological enzyme, impurities such as yak bone meat can be effectively removed, the purpose of high biological activity of calcium ions in the yak bone powder is achieved, the method has the advantages of simplicity in operation and strong practicability, the prepared yak bone powder is free of peculiar smell, the particle size of over 97% of bone powder in the product reaches 500-700nm, the crude protein is greater than or equal to 26%, the moisture is smaller than or equal to 3.2%, the crude fat is smaller than or equal to 0.5%, calcium is greater than or equal to 30%, phosphorus is greater than or equal to 13.8%, the superfine yak bone powder is even in dispersing, good in taste, free of impurity, and the nutrition in the yak bone is completely preserved, and is easy to be directly absorbed and utilized by a human body.

The invention discloses a method for batch preparation of monodisperse submicrometer silica powder. By adopting the method, kilogram-level monodisperse submicrometer silica powder can be further prepared in batches in a one step by formula optimization and self-production of a multifunctional reaction kettle. Compared with the traditional liquid-phase method, the preparation method disclosed by the invention has three main advantages that 1, the procedure is simple; energy is saved and consumption is reduced; and the production cost of the powder is low; 2, the solvent can be used in cycle, and is low-carbon and environment-friendly; and pollution of an organic solvent on air is removed; and 3, the kilogram-level monodisperse submicrometer silica powder or silica concentrated liquor can be prepared in batches, so that storage, transportation and use are facilitated. By adopting the preparation method disclosed by the invention, application development and business development of domestic monodisperse silica are greatly facilitated.