CN102239931B - Comprehensively deep processing technology for rice bran - Google Patents
Comprehensively deep processing technology for rice bran Download PDFInfo
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- CN102239931B CN102239931B CN2011101328645A CN201110132864A CN102239931B CN 102239931 B CN102239931 B CN 102239931B CN 2011101328645 A CN2011101328645 A CN 2011101328645A CN 201110132864 A CN201110132864 A CN 201110132864A CN 102239931 B CN102239931 B CN 102239931B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses a comprehensively deep processing technology for rice bran, relating to the technical field of agriculture processing. The comprehensively deep processing technology comprises process flows of: taking a raw material, i.e., the rice bran, metering, cleaning, tempering, pelleting, drying, preheating and squeezing; till then, the process is divided into two paths, wherein one path comprises steps of refining crude oil, packing essential oil of the rice bran and storing, and the other path comprises steps of carefully selecting, metering, hydrating, primary alkaline leaching and primary separation; till then, the process is divided into two branches, wherein one branch comprises steps of acid precipitating, separating, dehydrating, neutralizing, dehydrating, sterilization, drying, packing rice bran protein and storing, and the outer branch comprises steps of C/N (carbon/nitrogen) regulating, fermenting, regulating moisture, pelleting, screening, packing organism organic fertilizer and storing. The comprehensively deep processing technology has the characteristics of capability of extracting multiple products, low cost, high extraction efficiency and the like and can be used for the comprehensively deep processing of rice bran, corn embryos and the like.
Description
Technical field
The present invention relates to technical field of agricultural product process, particularly a kind of rice bran comprehensive deep process.
Background technology
Rice bran is a most important class byproduct in the paddy processing, it not only has albumen (14-16%) and the fat (15-23%) of high-load, can sanatory active material but also contain antimicrobial, carcinogenesis and other, such as dietary fiber, polysaccharide, vitamin, oryzanol, mineral matter, phytic acid, protease inhibitor and tannin.In the prior art, the processing of rice bran is confined to the processing of rice bran oil mostly, some technology is also arranged with rice bran oil and rice bran protein comprehensive process.At present, the processing method of rice bran oil roughly has following a few class: the one, and the method for smouldering is the grilled living rice bran of charcoal that utilizes completing combustion, rice bran oil contained in the rice bran is out grilled with giving birth to, and (number of patent application is: 02156713.1) " extracting method of rice bran oil " such as Chinese patent; The 2nd, the extrusion method, to utilize extrusion equipment to giving birth to rice bran and push and utilizing the heat that produces in this extrusion process to make living rice bran expansion, to give birth at last rice bran oil contained in the rice bran and squeeze out, (number of patent application is: 92110189.9) " preparation method of rice bran oil and equipment " such as Chinese patent; The 3rd, extraction utilizes solvent to extract rice bran oil from give birth to rice bran, and (number of patent application is: 200610096767.4) " a kind of method for preparing rice bran oil from rice bran " is to use CO such as Chinese patent
2Supercritical extract.The processing method of rice bran protein, following a few class is roughly arranged: the one, the complex enzyme extraction method, be the defatted rice bran raw material to be added water size mixing, then add plurality of enzymes and carry out enzymolysis, (number of patent application is: 200710071743.8) " extract the method for rice bran protein with complex enzyme " such as Chinese patent; The 2nd, ultrasonic extraction, the defatted rice bran raw material to be added water or highly basic is sized mixing, then adopt ultrasonic wave to process, add amylase again and carry out enzymolysis, (number of patent application is: 200710052196.9) " extracting method of rice bran polysaccharide and rice bran protein " such as Chinese patent; The 3rd, thin albumen slurry extraction method is to starch as solvent with thin albumen, directly extracts rice bran protein from defatted rice bran, and (number of patent application is: 200810047556.0) " process for extracting rice bran protein " such as Chinese patent.
Summary of the invention
Technical problem to be solved by this invention provides a kind ofly can extract multiple product and cost is low, extraction efficiency is high, extract that product is purer, quality rice bran comprehensive deep process method preferably simultaneously.
The technical solution used in the present invention is a kind of rice bran comprehensive deep process of invention:
The technological process of its technical scheme one is as follows:
The raw material rice bran, measure, clean, modified, granulation, oven dry, preheating, squeezing, so far, be divided into two-way:
One the tunnel is crude oil refining, rice bran essential oil packing, warehouse-in;
Another road is that selected, metering, aquation, alkali soak, first separation, so far, is divided into again two:
One is acid precipitation, separation, washing, neutralization, dehydration, sterilization, drying, rice bran protein packing, warehouse-in;
Another is C/N adjusting, fermentation, moisture adjusting, granulation, screening, biological organic fertilizer packing, warehouse-in.
The technological process of its technical scheme two is as follows:
The raw material rice bran, measure, clean, modified, granulation, oven dry, cooling, pan feeding storehouse, discharging, preheating, squeezing, so far, be divided into two-way:
One the tunnel is crude oil refining, rice bran essential oil packing, warehouse-in;
Another road is that selected, metering, aquation, alkali soak, first separation, so far, is divided into again two:
One is acid precipitation, separation, washing, neutralization, dehydration, sterilization, drying, rice bran protein packing, warehouse-in;
Another is C/N adjusting, fermentation, moisture adjusting, granulation, screening, biological organic fertilizer packing, warehouse-in.
The technological process of its technical scheme three is as follows:
The raw material rice bran, measure, clean, modified, granulation, oven dry, preheating, squeezing, so far, be divided into two-way:
One the tunnel is crude oil refining, rice bran essential oil packing, warehouse-in;
Another road is that selected, metering, aquation, alkali soak, first separation, secondary alkali are soaked, secondary separation, so far, is divided into again two:
One is acid precipitation, separation, washing, neutralization, dehydration, sterilization, drying, rice bran protein packing, warehouse-in;
Another is C/N adjusting, fermentation, moisture adjusting, granulation, screening, biological organic fertilizer packing, warehouse-in.
The technological process of its technical scheme four is as follows:
The raw material rice bran, measure, clean, modified, granulation, oven dry, cooling, pan feeding storehouse, discharging, preheating, squeezing, so far, be divided into two-way:
One the tunnel is crude oil refining, rice bran essential oil packing, warehouse-in;
Another road is that selected, metering, aquation, alkali soak, first separation, secondary alkali are soaked, secondary separation, so far, is divided into again two:
One is acid precipitation, separation, washing, neutralization, dehydration, sterilization, drying, rice bran protein packing, warehouse-in;
Another is C/N adjusting, fermentation, moisture adjusting, granulation, screening, biological organic fertilizer packing, warehouse-in.
The technological process of its technical scheme five is as follows:
The raw material rice bran, measure, clean, modified, granulation, oven dry, preheating, squeezing, so far, be divided into two-way:
One the tunnel is crude oil refining, rice bran essential oil packing, warehouse-in;
Another road is that selected, metering, aquation, alkali soak, first separation, secondary alkali are soaked, secondary separation, so far, is divided into again two:
One is acid precipitation, separation, so far, is divided into again two:
Article one, be washing, neutralization, dehydration, sterilization, drying, rice bran protein packing, warehouse-in;
Another is neutralization, drying, rice bran polysaccharide packing, warehouse-in;
Another is C/N adjusting, fermentation, moisture adjusting, granulation, biological organic fertilizer packing, warehouse-in.
The technological process of its technical scheme six is as follows:
The raw material rice bran, measure, clean, modified, granulation, oven dry, cooling, pan feeding storehouse, discharging, preheating, squeezing, so far, be divided into two-way:
One the tunnel is crude oil refining, rice bran essential oil packing, warehouse-in;
Another road is that selected, metering, aquation, alkali soak, first separation, secondary alkali are soaked, secondary separation, so far, is divided into again two:
One is acid precipitation, separation, so far, is divided into again two:
Article one, be washing, neutralization, dehydration, sterilization, drying, rice bran protein packing, warehouse-in;
Another is neutralization, drying, rice bran polysaccharide packing, warehouse-in;
Another is C/N adjusting, fermentation, moisture adjusting, granulation, biological organic fertilizer packing, warehouse-in.
Described crude oil refining procedure comprise come unstuck, depickling, decolouring and deodorization procedures.
Rice bran comprehensive deep process of the present invention, collection rice bran oil, rice bran protein, rice bran polysaccharide and four kinds of products of biological organic fertilizer be prepared in one, joint gathers closely, accomplishs without any letup, and save a lot of public links, thereby its production cost is lower; Simultaneously, raw rice bran is carried out preliminary treatment, avoided raw rice bran rotten, therefore the quality of the product that extracts is better; In addition, adopted the heavy method of alkali pickling to extract rice bran protein, and adopted twice alkali to soak and twice separation circuit, can make the tight structure of rice bran become loose, thereby destroyed protein molecule secondary key, particularly hydrogen bond, some polar group is dissociated, and then so that the purity of the rice bran protein that extracts is higher, simultaneously, also improved the efficient that product extracts.
The specific embodiment
Below in conjunction with embodiment, the present invention is further illustrated.Following explanation is to adopt the mode that exemplifies, but protection scope of the present invention should not be limited to this.
Embodiment one:
The rice bran comprehensive deep process of the present embodiment, its concrete technology flow process is as follows:
One, raw material rice bran: by the fresh rice bran of separating in the rice process, as the raw material of rice bran oil processing, directly be transferred the rice bran oil machining production line;
Two, metering: sent here the fresh rice bran as raw material, by metering, be fed to next process at this;
Three, clean: by the fresh rice bran after the metering, clean at this, the impurity such as remove husk, crack rice, and select ferrous contaminants with magnetic separator, then, be fed to next process;
Four, modified: by the fresh rice bran after cleaning, carry out modified at this, fresh rice bran is joined in the modified pot, carry out preheating modified (can adopt steam fumigation or rice bran expansion machine expanded etc. mode), make the expanded typing of fresh rice bran, and become ripe rice bran by giving birth to rice bran, eliminate wherein contained enzymatic activity and microorganism, preserve in good condition various nutrients, refining temperature is generally 60-120 ℃, then, be fed to next process;
Five, granulation: by modified, make the expanded typing of fresh rice bran, become ripe rice bran after, enter comminutor and carry out granulation, its granularity is generally 5-10mm, then, is fed to next process;
Six, oven dry: the ripe rice bran after the granulation is higher because of water content, both has been not easy to store, and also is not easy to squeezing, therefore it need to be dried, at this, granular ripe rice bran is dried remove portion moisture by airflow dryer, its moisture is controlled at below 15%, then its bake out temperature, is fed to next process generally at 60-120 ℃, at this moment, the temperature of granular ripe rice bran is greatly about 40-80 ℃;
So far, finished the preliminary treatment of rice bran.
Seven, preheating: will go out the granular ripe rice bran that material process is sent here, and again carry out preheating, and make its temperature reach 100-120 ℃, moisture and reach 20-25%, and then, be fed to next process;
Eight, squeezing: granular ripe rice bran can enter in the squeezer and squeeze through after the preheating, produces the rice bran crude oil, storage, for subsequent use;
So far, be divided into two-way:
One the tunnel is:
Nine, come unstuck: with rice bran crude oil for subsequent use, adopt conventional method to come unstuck, become the rice bran oil that comes unstuck, for subsequent use;
Ten, depickling: with the rice bran oil that comes unstuck for subsequent use, adopt conventional method to carry out depickling, become the depickling rice bran oil that comes unstuck, for subsequent use;
11, decolouring: with the depickling rice bran oil that comes unstuck for subsequent use, adopt conventional method to decolour, become the depickling decolouring rice bran oil that comes unstuck, for subsequent use;
12, deodorization: the depickling decolouring rice bran oil that comes unstuck with for subsequent use, adopt conventional method to carry out deodorization, become the rice bran essential oil, for subsequent use;
13, rice bran essential oil packing, warehouse-in: rice bran essential oil for subsequent use is carried out packing and packing, become rice bran essential oil finished product, can put in storage or sell.
Another road is:
Nine `, selected: sent here the defatted rice bran as raw material, carry out selectedly at this, then the impurity that removal may be sneaked into, be fed to next process;
Ten `, metering: through the defatted rice bran after selected, by metering, be fed to next process at this;
11 `, aquation: the defatted rice bran after the metering, add water and fully stirring, make it carry out sufficient aquation;
12 `, an alkali soak: in the defatted rice bran after abundant aquation, add concentrated NaOH solution, and regulate pH value to 9.0, carry out lixiviate, the time is 2 hours; Simultaneously, in leaching process, adjust the temperature to 60-80 ℃;
13 `, first separation: through 2 hours lixiviate, then, carry out the first time with centrifuge and separate, isolated solid phase is taken off the egg rice bran meal as degreasing, is used as in addition him, and isolated liquid enters into next process;
14 `, secondary alkali soak: with solid phase for subsequent use in the one separation process, add concentrated NaOH solution, and regulate pH value to 9.0, carry out the secondary lixiviate, the time is 2 hours; Simultaneously, in leaching process, adjust the temperature to 60-80 ℃;
15 `, secondary separation: through 2 hours secondary lixiviate, then, carry out the second time with centrifuge and separate, isolated solid phase is taken off the egg rice bran meal as degreasing, is used as in addition him, and isolated liquid is for subsequent use;
So far, be divided into again two:
One is:
16 `, acid precipitation: above-mentioned twice separation, liquid for subsequent use are merged, and add therein dense HCl solution, and regulate pH to 4.0, carry out the acid precipitation, the time is 2 hours, and temperature is controlled at 40-60 ℃;
17 `, separation: after the peracid precipitation, isolate sediment with centrifuge, for subsequent use;
18 `, washing: with sediment for subsequent use, add water and stir, wash, the rice bran polysaccharide that contains in the sediment is washed out, and through precipitation, the clear liquid of skimming top is usefulness in addition, and the sediment of its underpart is the rice bran protein head product, and is for subsequent use;
So far, be divided into again two:
Article one, be:
19 `, neutralization: with rice bran protein head product for subsequent use, inject neutralizing tank, and add NaOH solution and neutralize, regulate pH to 7.0, in and the time be 1 hour; Then, the precipitation, skim top in and clear liquid, the sediment of its underpart is the thick product of rice bran protein, and is for subsequent use;
20 `, dehydration: with the thick product of rice bran protein for subsequent use, adopt dewaterer to slough wherein contained most of moisture (moisture of this moment is approximately 20%), become the thick product of dehydration rice bran protein, for subsequent use;
21 `, sterilization: in the thick product of dehydration rice bran protein for subsequent use, containing some active microorganisms need to kill, and at this, adopts conventional sterilizing methods, and it is carried out sterilization treatment;
22 `, drying: through the thick product of dehydration rice bran protein after the sterilization treatment, also contain more moisture, at this, adopt conventional drying means to carry out drying, the scope that its moisture is fallen be suitable for storing (moisture of this moment is approximately 2-5%), become the rice bran protein product, for subsequent use;
23 ` rice bran proteins packings, warehouse-in: rice bran protein product for subsequent use is carried out packing and packing (for the thick rice bran protein of particle; can pulverize; make it become yardstick suitable particle or powdery), become the rice bran protein finished product, can put in storage or sell.
Another is:
19 ``, neutralization: with clear liquid (containing rice bran polysaccharide) for subsequent use in the 18 ` step (that is: washing step), inject neutralizing tank, add NaOH solution and neutralize, regulate pH to 7.0, in and the time be 1 hour; Become rice bran polysaccharide liquid, for subsequent use;
20 ``, drying: rice bran polysaccharide liquid for subsequent use is concentrated, and adopt spray-dired method to carry out drying, and make the rice bran polysaccharide product of powdery, for subsequent use;
21 ``, rice bran polysaccharide packing, warehouse-in: rice bran polysaccharide product for subsequent use is carried out packing and packing, become the rice bran polysaccharide finished product, can put in storage or sell.
Another is:
16 ```, C/N regulate: isolated degreasing in the 13 ` and two steps of 15 ` is taken off the egg rice bran meal as the raw material of biological organic fertilizer preparation, regulate wherein contained C/N (that is: carbon/nitrogen) ratio at this, then, be loaded in the fermentation vat;
17 ```, fermentation: the egg rice bran meal is taken off in the degreasing that is loaded in the fermentation vat, according to the condition of biogas production, carries out anaerobic fermentation, for producing and life provides biogas energy;
18 ```, moisture are regulated: taking off the egg rice bran meal through the degreasing behind the anaerobic fermentation becomes the natural pond slag, and at this moment, its moisture is larger, is unsuitable for granulating, and need to carry out moisture and regulate, and adopts conventional dewatering, sloughs its most of moisture, granulates in order to be suitable for;
19 ```, granulation: the natural pond slag through after the dehydration, can enter in the granulator, make the suitable natural pond solid impurity particle of yardstick, become the biological organic fertilizer product, for subsequent use;
20 ```, biological organic fertilizer packing, warehouse-in: biological organic fertilizer product for subsequent use is carried out packing and packing (for the thick biological organic fertilizer product of particle, can pulverize, make it become the suitable particle of yardstick), become the biological organic fertilizer finished product, can put in storage or sell.
Embodiment two:
The present embodiment and embodiment one are basic identical, just between the 6th step (that is: baking operation) and the 7th step (that is: preheating procedure), have increased cooling, pan feeding storehouse, discharging three process:
Cooling: by the granular ripe rice bran that baking operation is sent here, owing to containing a certain amount of moisture, temperature is slightly high in addition, is not easy to store, need to be cooled to normal temperature could store, thereby, by online air-cooled mode, granular ripe rice bran is cooled off, then, be fed to next process;
The pan feeding storehouse: through cooled granular ripe rice bran, can enter circular material storehouse and store, the purpose of storage is to regulate the production of forward and backward each operation, avoids the supporting error because of equipment fault or production capacity, the stopping or blocking of the sliver that causes;
Discharging: by the granular ripe rice bran output that drawing mechanism expects that circle store in the storehouse, deliver to next process.
Other is all identical with embodiment one, does not repeat them here.
Rice bran comprehensive deep process of the present invention both can be used for the comprehensive deep processing of rice bran, also can be used for the comprehensive deep processing of maize germ etc.
Claims (2)
1. rice bran comprehensive deep process is characterized in that technological process is as follows:
One, raw material rice bran: by the fresh rice bran of separating in the rice process, as the raw material of rice bran oil processing, directly be transferred the rice bran oil machining production line;
Two, metering: sent here the fresh rice bran as raw material, by metering, be fed to next process at this;
Three, clean: by the fresh rice bran after the metering, clean at this, the impurity such as remove husk, crack rice, and select ferrous contaminants with magnetic separator, then, be fed to next process;
Four, modified: by the fresh rice bran after cleaning, carry out modified at this, fresh rice bran is joined in the modified pot, carry out preheating modified, make the expanded typing of fresh rice bran, and become ripe rice bran by giving birth to rice bran, eliminate wherein contained enzymatic activity and microorganism, preserve in good condition various nutrients, refining temperature is generally 60-120 ℃, then, be fed to next process;
Five, granulation: by modified, make the expanded typing of fresh rice bran, become ripe rice bran after, enter comminutor and carry out granulation, its granularity is generally 5-10mm, then, is fed to next process;
Six, oven dry: the ripe rice bran after the granulation is higher because of water content, both has been not easy to store, and also is not easy to squeezing, therefore it need to be dried, at this, granular ripe rice bran is dried remove portion moisture by airflow dryer, its moisture is controlled at below 15%, then its bake out temperature, is fed to next process generally at 60-120 ℃, at this moment, the temperature of granular ripe rice bran is at 40-80 ℃;
So far, finished the preliminary treatment of rice bran;
Seven, preheating: will go out the granular ripe rice bran that material process is sent here, and again carry out preheating, and make its temperature reach 100-120 ℃, moisture and reach 20-25%, and then, be fed to next process;
Eight, squeezing: granular ripe rice bran can enter in the squeezer and squeeze through after the preheating, produces the rice bran crude oil, storage, for subsequent use;
So far, be divided into two-way:
One the tunnel is:
Nine, come unstuck: with rice bran crude oil for subsequent use, adopt conventional method to come unstuck, become the rice bran oil that comes unstuck, for subsequent use;
Ten, depickling: with the rice bran oil that comes unstuck for subsequent use, adopt conventional method to carry out depickling, become the depickling rice bran oil that comes unstuck, for subsequent use;
11, decolouring: with the depickling rice bran oil that comes unstuck for subsequent use, adopt conventional method to decolour, become the depickling decolouring rice bran oil that comes unstuck, for subsequent use;
12, deodorization: the depickling decolouring rice bran oil that comes unstuck with for subsequent use, adopt conventional method to carry out deodorization, become the rice bran essential oil, for subsequent use;
13, rice bran essential oil packing, warehouse-in: rice bran essential oil for subsequent use is carried out packing and packing, become rice bran essential oil finished product, can put in storage or sell;
Another road is:
Nine `, selected: sent here the defatted rice bran as raw material, carry out selectedly at this, then the impurity that removal may be sneaked into, be fed to next process;
Ten `, metering: through the defatted rice bran after selected, by metering, be fed to next process at this;
11 `, aquation: the defatted rice bran after the metering, add water and fully stirring, make it carry out sufficient aquation;
12 `, an alkali soak: in the defatted rice bran after abundant aquation, add concentrated NaOH solution, and regulate pH value to 9.0, carry out lixiviate, the time is 2 hours; Simultaneously, in leaching process, adjust the temperature to 60-80 ℃;
13 `, first separation: through 2 hours lixiviate, then, carry out the first time with centrifuge and separate, isolated solid phase is taken off the egg rice bran meal as degreasing, is used as in addition him, and isolated liquid enters into next process;
14 `, secondary alkali soak: with solid phase for subsequent use in the one separation process, add concentrated NaOH solution, and regulate pH value to 9.0, carry out the secondary lixiviate, the time is 2 hours; Simultaneously, in leaching process, adjust the temperature to 60-80 ℃;
15 `, secondary separation: through 2 hours secondary lixiviate, then, carry out the second time with centrifuge and separate, isolated solid phase is taken off the egg rice bran meal as degreasing, is used as in addition him, and isolated liquid is for subsequent use;
So far, be divided into again two:
One is:
16 `, acid precipitation: above-mentioned twice separation, liquid for subsequent use are merged, and add therein dense HCl solution, and regulate pH to 4.0, carry out the acid precipitation, the time is 2 hours, and temperature is controlled at 40-60 ℃;
17 `, separation: after the peracid precipitation, isolate sediment with centrifuge, for subsequent use;
18 `, washing: with sediment for subsequent use, add water and stir, wash, the rice bran polysaccharide that contains in the sediment is washed out, and through precipitation, the clear liquid of skimming top is usefulness in addition, and the sediment of its underpart is the rice bran protein head product, and is for subsequent use;
So far, be divided into again two:
Article one, be:
19 `, neutralization: with rice bran protein head product for subsequent use, inject neutralizing tank, and add NaOH solution and neutralize, regulate pH to 7.0, in and the time be 1 hour; Then, the precipitation, skim top in and clear liquid, the sediment of its underpart is the thick product of rice bran protein, and is for subsequent use;
20 `, dehydration: with the thick product of rice bran protein for subsequent use, adopt dewaterer to slough wherein contained most of moisture, the moisture of this moment is approximately 20%, becomes the thick product of dehydration rice bran protein, and is for subsequent use;
21 `, sterilization: in the thick product of dehydration rice bran protein for subsequent use, containing some active microorganisms need to kill, and at this, adopts conventional sterilizing methods, and it is carried out sterilization treatment;
22 `, drying: the thick product of dehydration rice bran protein through after the sterilization treatment, also contain more moisture, at this, adopt conventional drying means to carry out drying, make its moisture fall the scope that is suitable for storing, the moisture of this moment is 2-5%, become the rice bran protein product, for subsequent use;
23 ` rice bran proteins packing, warehouse-in: rice bran protein product for subsequent use is carried out packing and packing, become the rice bran protein finished product, can put in storage or sell;
Another is:
19 ``, neutralization: with clear liquid for subsequent use in the 18 ` step, inject neutralizing tank, add NaOH solution and neutralize, regulate pH to 7.0, in and the time be 1 hour; Become rice bran polysaccharide liquid, for subsequent use;
20 ``, drying: rice bran polysaccharide liquid for subsequent use is concentrated, and adopt spray-dired method to carry out drying, and make the rice bran polysaccharide product of powdery, for subsequent use;
21 ``, rice bran polysaccharide packing, warehouse-in: rice bran polysaccharide product for subsequent use is carried out packing and packing, become the rice bran polysaccharide finished product, can put in storage or sell;
Another is:
16 ```, C/N regulate: isolated degreasing in the 13 ` and two steps of 15 ` is taken off the egg rice bran meal as the raw material of biological organic fertilizer preparation, regulate wherein contained C/N (that is: carbon/nitrogen) ratio at this, then, be loaded in the fermentation vat;
17 ```, fermentation: the egg rice bran meal is taken off in the degreasing that is loaded in the fermentation vat, according to the condition of biogas production, carries out anaerobic fermentation, for producing and life provides biogas energy;
18 ```, moisture are regulated: taking off the egg rice bran meal through the degreasing behind the anaerobic fermentation becomes the natural pond slag, and at this moment, its moisture is larger, is unsuitable for granulating, and need to carry out moisture and regulate, and adopts conventional dewatering, sloughs its most of moisture, granulates in order to be suitable for;
19 ```, granulation: the natural pond slag through after the dehydration, can enter in the granulator, make the suitable natural pond solid impurity particle of yardstick, become the biological organic fertilizer product, for subsequent use;
20 ```, biological organic fertilizer packing, warehouse-in: biological organic fertilizer product for subsequent use is carried out packing and packing, become the biological organic fertilizer finished product, can put in storage or sell.
2. rice bran comprehensive deep process according to claim 1 is characterized in that technological process is as follows:
Between the 6th step baking operation and the 7th step preheating procedure, increased cooling, pan feeding storehouse, discharging three process:
Cooling: by the granular ripe rice bran that baking operation is sent here, owing to containing a certain amount of moisture, temperature is slightly high in addition, is not easy to store, need to be cooled to normal temperature could store, thereby, by online air-cooled mode, granular ripe rice bran is cooled off, then, be fed to next process;
The pan feeding storehouse: through cooled granular ripe rice bran, can enter circular material storehouse and store, the purpose of storage is to regulate the production of forward and backward each operation, avoids the supporting error because of equipment fault or production capacity, the stopping or blocking of the sliver that causes;
Discharging: by the granular ripe rice bran output that drawing mechanism expects that circle store in the storehouse, deliver to next process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN102550934B (en) * | 2012-01-11 | 2014-09-24 | 东方集团粮油食品有限公司 | Full-cream stable rice bran powder |
| CN102585998A (en) * | 2012-03-14 | 2012-07-18 | 湖南省中科农业有限公司 | Preparation method of rice bran oil |
| CN102586001A (en) * | 2012-03-14 | 2012-07-18 | 湖南省中科农业有限公司 | Comprehensive preparation method of rice bran oil and rice bran protein |
| CN103859067B (en) * | 2014-03-25 | 2016-08-17 | 华中农业大学 | A kind of nutrition Rice oil and production method thereof |
| CN106307011B (en) * | 2016-08-24 | 2019-06-07 | 江南大学 | A kind of preparation method of edible full fat rice bran |
| CN108185110B (en) * | 2018-01-09 | 2021-07-30 | 中南林业科技大学 | Method for improving functional properties of rice bran protein |
| CN110679394A (en) * | 2019-11-10 | 2020-01-14 | 董霞 | Comprehensive utilization process method for agricultural wastes |
| CN112126516A (en) * | 2020-09-24 | 2020-12-25 | 泰安天兴木业科技有限公司 | Biomass refining technology for producing pollution-free and zero-emission biomass |
| CN115109640A (en) * | 2021-03-18 | 2022-09-27 | 山东友康天然植物科技有限公司 | Low-temperature squeezing extraction method of wheat germ oil |
| CN114652657B (en) * | 2022-03-07 | 2024-02-09 | 科丽思化妆品（上海）有限公司 | Skin care composition with anti-aging and anti-blue light effects and preparation method thereof |
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| CN1560266A (en) * | 2004-03-08 | 2005-01-05 | 江南大学 | Preparation process of rise bran polysaccharose kind active component |
| CN101455242A (en) * | 2008-12-26 | 2009-06-17 | 河南华泰粮油机械工程有限公司 | Rice bran first-level oil refinement production method |
| CN101536727A (en) * | 2009-04-10 | 2009-09-23 | 河南华泰粮油机械工程有限公司 | Production method for extracting and separating protein from rice bran |
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| CN1560266A (en) * | 2004-03-08 | 2005-01-05 | 江南大学 | Preparation process of rise bran polysaccharose kind active component |
| CN101455242A (en) * | 2008-12-26 | 2009-06-17 | 河南华泰粮油机械工程有限公司 | Rice bran first-level oil refinement production method |
| CN101536727A (en) * | 2009-04-10 | 2009-09-23 | 河南华泰粮油机械工程有限公司 | Production method for extracting and separating protein from rice bran |
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