CN217709492U - Slurry mixing and liquefying system for food-grade rice protein - Google Patents
Slurry mixing and liquefying system for food-grade rice protein Download PDFInfo
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- CN217709492U CN217709492U CN202121951093.8U CN202121951093U CN217709492U CN 217709492 U CN217709492 U CN 217709492U CN 202121951093 U CN202121951093 U CN 202121951093U CN 217709492 U CN217709492 U CN 217709492U
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Abstract
The utility model relates to a size mixing liquefaction system of food level rice albumen, including the raw materials crushing unit, size mixing unit and liquefaction unit, the raw materials crushing unit is including carrying out kibbling high shear pump to the rice, size mixing unit includes citric acid tank, size mixing tank, starch milk jar and amylase jar, the export of high shear pump links to each other with the starch milk entry of size mixing tank, the export of citric acid tank links to each other through measuring pump one with the acid injection mouth of size mixing tank, the bottom export of size mixing tank links to each other with the entry of first screw pump, the export of first screw pump links to each other with the entry of starch milk jar, the export of amylase jar also links to each other with the entry of starch milk jar through measuring pump two, the export of starch milk jar links to each other with the entry of second screw pump, the export of second screw pump links to each other with the feed inlet of one-level jet pump, the discharge gate of one-level jet pump links to each other with the entry of one-level maintenance pipe. The rice protein prepared by the system can ensure the biological activity, avoid the residue problem of concentrated acid and concentrated alkali, and is safe and reliable.
Description
Technical Field
The utility model relates to a rice protein preparation system especially relates to a size mixing liquefaction system of food level rice protein, belongs to rice protein and makes technical field.
Background
The quality of rice protein is generally recognized as the highest among rice proteins, belongs to high-quality plant protein, has higher biological value than other proteins, has the nutritional value comparable to cow milk and eggs, has the characteristics of low sensitivity, reasonable amino acid composition and the like, and can be used as food for infants and special people. The rice protein also has a certain health care function, and researches show that the rice protein can reduce blood pressure, reduce cholesterol, resist cancers, prevent chronic diseases and the like.
The protein content of rice is only about 8%, wherein the gluten content is about 80% at most, and the main protein extracted from the rice is gluten, but the interaction force of starch and protein causes the protein to cover and wrap starch more, and the separation and removal of starch and protein are the primary problems of the extraction of rice protein.
At present, the main methods for separating protein and starch are an alkali extraction method and a protease hydrolysis method, the physicochemical properties of rice protein are seriously damaged by a concentrated alkali solution in the alkali extraction method, the quality of the rice protein is influenced by the problem of concentrated alkali residue, the water consumption and the alkali consumption are high, and the method has certain difficulty in being applied to industrial production. Although the protease hydrolysis method is mild, the extracted protein has low purity, high protein recovery rate and high cost, and cannot be used for industrial application of rice protein extraction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a size mixing liquefaction system of food level rice protein, realized retrieving respectively of rice starch liquefaction liquid and rice protein, the rice protein of making can guarantee biological activity, improves protein content to about 80%, avoids the problem of remaining of concentrated acid and concentrated alkali, safe and reliable.
In order to solve the technical problem, the utility model discloses a size mixing liquefaction system of food-grade rice protein, including raw materials crushing unit, size mixing unit and liquefaction unit, raw materials crushing unit includes the high shear pump that smashes rice, size mixing unit includes citric acid jar, size mixing jar, starch milk jar and amylase jar, liquefaction unit includes one-level jet pump and one-level holding tube; the outlet of the high-shear pump is connected with a starch milk inlet of the slurry mixing tank, the outlet of the citric acid tank is connected with an acid injection port of the slurry mixing tank through a first metering pump, the bottom outlet of the slurry mixing tank is connected with the inlet of a first screw pump, the outlet of the first screw pump is connected with the inlet of the starch milk tank, the outlet of the amylase tank is also connected with the inlet of the starch milk tank through a second metering pump, the outlet of the starch milk tank is connected with the inlet of a second screw pump, the outlet of the second screw pump is connected with a feed inlet of the first-stage injection pump, and the discharge port of the first-stage injection pump is connected with the inlet of the first-stage maintaining pipe.
As the utility model discloses an improvement, the export of one-level maintainer pipe links to each other with the entry of one-level flash tank, and the export of one-level flash tank links to each other through the entry of first delivery pump with one-level laminar flow jar, and the export of one-level laminar flow jar links to each other with the entry of third screw pump, and the export of third screw pump links to each other with the feed inlet of second grade jet pump, and the discharge gate of second grade jet pump links to each other with the entry of second grade maintainer pipe, the export of second grade maintainer pipe links to each other with the entry of second grade flash tank, and the export of second grade flash tank links to each other through the entry of second delivery pump with second grade laminar flow jar.
As a further improvement, the export of second grade laminar flow jar links to each other with the entry of third delivery pump, and the export of third delivery pump links to each other with the entry of one-level decanter centrifuge, and the export of the light phase of one-level decanter centrifuge links to each other with the fermentation unit, and the export of the heavy phase protein of one-level decanter centrifuge links to each other with the entry of one-level protein jar, and the export of one-level protein jar links to each other with the entry of second grade decanter centrifuge through the fourth delivery pump, and the export of the heavy phase protein of second grade decanter centrifuge links to each other with the entry of second grade protein jar, the export of the light phase of second grade decanter centrifuge with the entry of starch milk jar links to each other.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: the system applies amylase, adopts a two-stage jet liquefaction process, thoroughly separates starch from protein, fully liquefies the starch to form clear liquefied liquid, is used for the fermentation industry, realizes gradient utilization, has mild reaction process, and does not damage the biological activity of the rice protein. The food grade citric acid solution avoids the problem of concentrated alkali residue, and is safe and reliable. The whole system has less enzyme dosage, mild reaction condition and higher protein extraction rate. And a horizontal screw centrifuge is adopted to replace a common plate frame in the separation process, so that the sealing performance is good, the pollution of mixed bacteria is avoided, no equipment dead angle exists, the quality and the quality characteristic of the rice protein are not influenced, the method is a good method for extracting the rice protein, and has a wide prospect.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Figure 1 is the flow chart of the pulp-mixing and liquefying system of the food-grade rice protein.
In the figure: 1. a citric acid tank; 2. a first metering pump; 3. a high shear pump; 4. a slurry mixing tank; 5. a first screw pump; 6. a starch milk tank; 7. a second screw pump; 8. an amylase tank; 8a, a metering pump II; 9. a primary jet pump; 10. a primary holding tube; 11. a first-stage flash tank; 12. a first delivery pump; 13. a primary laminar flow tank; 14. a third screw pump; 15. a secondary jet pump; 16. a secondary holding tube; 17. a secondary flash tank; 18. a second delivery pump; 19. a secondary laminar flow tank; 20. a third delivery pump; 21. a first-stage horizontal screw centrifuge; 22. a first-level protein tank; 23. a fourth delivery pump; 24. a secondary horizontal screw centrifuge; 25. a secondary protein tank.
Detailed Description
As shown in figure 1, the utility model discloses a food level rice protein's pulping liquefaction system includes raw materials crushing unit, pulping unit and liquefaction unit, and raw materials crushing unit includes carries out kibbling high shear pump 3 to the rice, and pulping unit includes citric acid jar 1, pulping tank 4, starch milk jar 6 and amylase jar 8, and liquefaction unit includes one-level jet pump 9, one-level stay tube 10 and one-level laminar flow jar 13.
The export of high shear pump 3 links to each other with the starch milk entry of mixing thick liquid jar 4, the export of citric acid jar 1 links to each other through measuring pump 2 and the notes sour mouth of mixing thick liquid jar 4, the bottom export of mixing thick liquid jar 4 links to each other with the entry of first screw pump 5, the export of first screw pump 5 links to each other with the entry of starch milk jar 6, the export of amylase jar 8 also links to each other with the entry of starch milk jar 6 through measuring pump two 8a, the export of starch milk jar 6 links to each other with the entry of second screw pump 7, the export of second screw pump 7 links to each other with the feed inlet of one-level jet pump 9, the discharge gate of one-level jet pump 9 links to each other with the entry of one-level maintenance pipe 10.
The export of one-level maintenance pipe 10 links to each other with the entry of one-level flash tank 11, the export of one-level flash tank 11 links to each other with the entry of one-level laminar flow jar 13 through first delivery pump 12, the export of one-level laminar flow jar 13 links to each other with the entry of third screw pump 14, the export of third screw pump 14 links to each other with the feed inlet of second grade jet pump 15, the discharge gate of second grade jet pump 15 links to each other with the entry of second grade maintenance pipe 16, the export of second grade maintenance pipe 16 links to each other with the entry of second grade flash tank 17, the export of second grade flash tank 17 passes through second delivery pump 18 and links to each other with the entry of second grade laminar flow jar 19.
The export of second grade laminar flow jar 19 links to each other with the entry of third delivery pump 20, the export of third delivery pump 20 links to each other with the entry of one-level decanter centrifuge 21, the light phase export of one-level decanter centrifuge 21 links to each other with the fermentation unit, the heavy phase protein export of one-level decanter centrifuge 21 links to each other with the entry of one-level protein jar 22, the export of one-level protein jar 22 links to each other with the entry of second grade decanter centrifuge 24 through fourth delivery pump 23, the heavy phase protein export of second grade decanter centrifuge 24 links to each other with the entry of second grade protein jar 25, the light phase export of second grade decanter centrifuge 24 links to each other with the entry of starch milk jar 6.
Rice is crushed and sieved by a 80-mesh sieve, then the rice is scattered by a high-shear pump 3 to bond starch, the starch is prepared to be mixed into starch milk, the starch milk is mixed into the starch mixing tank 4 until the concentration is 35 wt%, citric acid in a citric acid tank 1 is fed into the starch mixing tank 4 by a metering pump I2, the pH value of the starch milk is accurately regulated to 5.5-5.8, the optimal working pH value of amylase during liquefaction is reached, the amylase can fully act, the starch milk is completely liquefied, and the starch milk after being mixed is pumped into a starch milk tank 6 by a first screw pump 5.
Amylase in the amylase tank 8 is accurately added into the starch milk tank 6 through a metering pump II 8a, after the pH value suitable for the working environment of the amylase is adjusted, the amylase is added, the adding proportion of the amylase is that 0.25g of amylase is added to each kg of dry starch, the amylase is pumped out through a second screw pump 7 after acting on the internal structure of the starch, and is injected into a first injector 9 for primary injection liquefaction, starch granules are decomposed and are dispersed to be fully gelatinized, and clean and clear liquefied liquid is generated, and impurities are few. The first ejector 9 uses steam as a power source, and the temperature of the steam is 105 ℃.
The primary liquefied liquid is cooled to 95 ℃ through a primary maintaining pipe 10 and a primary flash tank 11, and is conveyed into a primary laminar flow tank 13 through a first conveying pump 12 for heat preservation for 90-120min to be liquefied uniformly, and then is conveyed into a secondary injection pump 15 through a third screw pump 14 for secondary injection liquefaction, wherein the temperature of steam adopted by the secondary injection pump 15 is 110-120 ℃, and the starch can be further dispersed.
The second-stage liquefied liquid thoroughly kills the high-temperature resistant amylase in the second-stage maintaining pipe 16, simultaneously, the protein is further solidified, then enters a second-stage flash tank 17 for flash evaporation and is cooled to 95 ℃, the second-stage liquefied liquid is conveyed to a second-stage laminar flow tank 19 by a second conveying pump 18 for uniform and full liquefaction and enzyme inactivation again, the temperature is kept for 90min, the starch milk is continuously and fully liquefied, and after the iodine is qualified and the liquefied liquid is confirmed to have no starch, the liquefied liquid is conveyed to a first-stage horizontal decanter centrifuge 21 of the separation unit by a third conveying pump 20.
And flash steam discharged from the tops of the primary flash tank 11 and the secondary flash tank 17 is used as a heat source of the later pesticide residue extraction unit.
The liquefied liquid is subjected to primary separation through a primary horizontal decanter centrifuge 21, the starch liquefied liquid and fat separated from the light phase of the primary separation are sent to a fermentation system for fermentation, and the primary heavy phase protein enters a primary protein tank 22 and is mixed with the raw materials in a solid-to-liquid ratio of 1:4, adding water for washing, and sending the protein subjected to the first-stage washing into a second-stage horizontal screw centrifuge 24 by a fourth delivery pump 23 for second-stage separation, wherein the separation factors of the two stages are 3200, and the time is 1min; the light phase clarified liquefied liquid of the second-stage separation returns to the starch milk tank 6 through a liquefied liquid return pipe for size mixing, the protein content in the second-stage heavy phase protein is about 67 percent, and the light phase clarified liquefied liquid enters a second-stage protein tank 25 for temporary storage.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention. The technical features of the present invention that have not been described can be realized by or using the prior art, and are not described herein again.
Claims (3)
1. The utility model provides a size mixing liquefaction system of food level rice protein, includes that raw materials smashes unit, size mixing unit and liquefaction unit, raw materials smashes the unit and includes and carries out kibbling high shear pump, its characterized in that to rice: the pulping unit comprises a citric acid tank, a pulping tank, a starch milk tank and an amylase tank, and the liquefying unit comprises a primary jet pump and a primary maintaining pipe; the outlet of the high-shear pump is connected with a starch milk inlet of the slurry mixing tank, the outlet of the citric acid tank is connected with an acid injection port of the slurry mixing tank through a first metering pump, the bottom outlet of the slurry mixing tank is connected with the inlet of a first screw pump, the outlet of the first screw pump is connected with the inlet of the starch milk tank, the outlet of the amylase tank is also connected with the inlet of the starch milk tank through a second metering pump, the outlet of the starch milk tank is connected with the inlet of a second screw pump, the outlet of the second screw pump is connected with a feed inlet of the primary jet pump, and the discharge port of the primary jet pump is connected with the inlet of the primary maintaining pipe.
2. The system for slurrying and liquefying food-grade rice protein according to claim 1, wherein: the export of one-level maintenance pipe links to each other with the entry of one-level flash tank, and the export of one-level flash tank links to each other through the entry of first delivery pump with one-level laminar flow jar, and the export of one-level laminar flow jar links to each other with the entry of third screw pump, and the export of third screw pump links to each other with the feed inlet of second grade injection pump, and the discharge gate of second grade injection pump links to each other with the entry of second grade maintenance pipe, the export of second grade maintenance pipe links to each other with the entry of second grade flash tank, and the export of second grade flash tank passes through the entry of second delivery pump with second grade laminar flow jar and links to each other.
3. The system for slurrying and liquefying food-grade rice protein according to claim 2, wherein: the export of second grade laminar flow jar links to each other with the entry of third delivery pump, and the export of third delivery pump links to each other with the entry of one-level decanter centrifuge, and the export of the light phase of one-level decanter centrifuge links to each other with the fermentation unit, and the export of the heavy phase protein of one-level decanter centrifuge links to each other with the entry of one-level protein jar, and the export of one-level protein jar links to each other with the entry of second grade decanter centrifuge through the fourth delivery pump, and the export of the heavy phase protein of second grade decanter centrifuge links to each other with the entry of second grade protein jar, the export of the light phase of second grade decanter centrifuge with the entry of starch milk jar links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951093.8U CN217709492U (en) | 2021-08-19 | 2021-08-19 | Slurry mixing and liquefying system for food-grade rice protein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951093.8U CN217709492U (en) | 2021-08-19 | 2021-08-19 | Slurry mixing and liquefying system for food-grade rice protein |
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| Publication Number | Publication Date |
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| CN217709492U true CN217709492U (en) | 2022-11-01 |
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| CN202121951093.8U Active CN217709492U (en) | 2021-08-19 | 2021-08-19 | Slurry mixing and liquefying system for food-grade rice protein |
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| CN (1) | CN217709492U (en) |
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- 2021-08-19 CN CN202121951093.8U patent/CN217709492U/en active Active
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