CN104904991A - Method for producing protein feed raw materials by carrying out enzymolysis and fermentation on soybean meal - Google Patents
Method for producing protein feed raw materials by carrying out enzymolysis and fermentation on soybean meal Download PDFInfo
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Abstract
The invention discloses a method for producing protein feed raw materials by carrying out enzymolysis and fermentation on soybean meal. The method comprises the following steps of: culturing a candida utilis fermentation solution, a bacillus subtilis fermentation solution and a lactobacillus acidophilus fermentation solution in liquid, and preparing into a mixed bacterium solution according to the ratio; filling the soybean meal into an explosion cylinder; carrying out steam explosion under a certain condition; mixing exploded materials, the mixed bacterium solution and molasses at the ratio; meanwhile, adding an enzyme preparation to prepare a mixed material; feeding the mixed material into a special modularized solid-state biological raw material continuous fermentation device to carry out enzymolysis and biological fermentation; and drying the fermented materials to obtain the protein feed raw materials. According to the method disclosed by the invention, the exploded materials, the fermented bacterium solution and the enzyme preparation are mixed and then are conveyed into the special modularized solid-state biological raw material continuous fermentation device to carry out the enzymolysis and biological fermentation, so that the requirements of automatic temperature control, humidity control and ventilation amount control are realized; the biological conversion rate is high, the fermentation period is short, the loss is less, the cost is low, and the mechanical and large-scale production can be realized.
Description
Technical field
The present invention relates to the fermentation of dregs of beans, especially relate to a kind of method that dregs of beans enzymatic hydrolysis and fermentation produces protein feed raw material.
Background technology
Dregs of beans, as the key protein raw material of animal feed, uses widely in feed manufacturing and livestock and poultry, aquaculture industry.But a large amount of ANFs contained in dregs of beans, as trypsin inhibitor, Soybean antigen protein, uric acid, phytolectin, non-starch class polysaccharide etc. have impact on the absorption and digestion of animal to bean-dregs feed.Therefore, need aborning effectively to remove the ANFs in dregs of beans, to improve efficiency of feed utilization; On the other hand, along with the scarcity of the animal protein feed raw material resources such as fish meal and the rising day by day of price, China's aquaculture is also badly in need of wide material sources, high-quality feed protein raw materials substitute with low cost.
Use the microorganism such as bacillus, saccharomycete, lactic acid bacteria can the agricultural byproducts such as direct fermentation dregs of beans, as national patent (application publication number: CN102406134A) discloses a kind of process for solid state fermentation of high digestibility fermented bean dregs.Although these methods can eliminate ANFs, raising digestibility in dregs of beans; but there is mechanization in these methods, large-scale degree is low; labour intensity is large, and the production cycle is long, material loss is large, production cost is high, ANFs decomposes incomplete defect.
Summary of the invention
The object of the present invention is to provide and a kind ofly realize mechanization, method that large-scale production and dregs of beans enzymatic hydrolysis and fermentation with low cost produce protein feed raw material.
For achieving the above object, the present invention can take following technical proposals:
The method that dregs of beans enzymatic hydrolysis and fermentation of the present invention produces protein feed raw material comprises the steps:
the first step, liquid fermentation
A, by cultivate activation candida utili bacterial classification SPSS make suspension, be inoculated in fermentation medium cultivate 20 ~ 24h, obtain candida utili zymotic fluid;
B, by cultivate activation bacillus subtilis bacterial classification SPSS make suspension, be inoculated into cultivation and fermentation 18 ~ 24h in liquid fermentation medium, obtain fermentation of bacillus subtilis liquid;
C, by cultivate activation lactobacillus acidophilus make suspension with SPSS, be inoculated into cultivation and fermentation 18 ~ 22h in liquid fermentation medium, obtain lactobacillus acidophilus zymotic fluid;
D, that above-mentioned three kinds of zymotic fluids are made mixed bacteria liquid is according to a certain percentage for subsequent use;
second step, solid enzymolysis and fermentation
A, dregs of beans raw material is loaded detonation, pass into the saturated vapor of 180 ~ 250 DEG C after the sealing of detonation tank body, after detonation pressure reaches 0.5 ~ 2.0Mpa, maintain 0.5 ~ 10min, open operated pneumatic valve immediately and carry out steam blasting;
B, the mixed bacteria liquid material after gas explosion, the first step prepared, molasses mix in mixer by weight the ratio of 1:0.6 ~ 1.3:0.03 ~ 0.08, add neutral proteinase 25 ~ 80 IU/g raw material simultaneously, cellulase 50 ~ 180 IU/g raw material, zytase 25 ~ 50 IU/g raw material, mannase 20 ~ 55 IU/g raw material, pectase 35 ~ 80 U/g raw material, phytase 5 ~ 15 U/g raw material, middle temperature amylase 15 ~ 25 U/g raw material, carbohydrase 100 ~ 180 U/g raw material mixes, regulate moisture 35 ~ 45%, make mixed material;
C, mixed material sent in special modular solid-state biological raw material continuous fermentation apparatus and carries out enzymolysis and fermentation, setting enzymolysis and fermentation temperature 28 ~ 45 DEG C, relative humidity 60 ~ 90%, fermentation time 18 ~ 36h:
Mixed material sends into pendulum distributing device by elevator, enter scraper plate distributing device again, evenly be distributed in the upper shed casing of each box unit of the most top layer fermenting cellar of the pylon being provided with N layer fermenting cellar from bottom to top by scraper plate distributing device, after material reaches the cloth height of setting, lower turning type plate-turning door bottom each box unit of top layer is opened automatically, ferments in upper shed casing materials overturning being discharged into below N-1 layer fermenting cellar; Top layer lower turning type plate-turning door after discharging is closed, and starts next round cloth; When material fermentation in the upper shed casing of N-1 layer fermenting cellar is to setting value, fermentation is continued in the upper shed casing by the lower turning type plate-turning door bottom it materials overturning being discharged to N-2 layer fermenting cellar again, the N-1 layer lower turning type plate-turning door closedown that discharging is complete, meet the material under top layer upper shed casing varus unloading, new round cloth is carried out again in top layer upper shed casing, the like, realize continuously fermenting of material; When materials overturning to be discharged in bottom first layer upper shed casing after fermentation, the lower turning type plate-turning door of ground floor is opened, and the material fermented is postponed and gone out hopper and be discharged on discharging drag conveyor;
When material continuously ferments in the upper shed casing of ground floor to N-1 layer fermenting cellar, the humiture of every layer of fermentation materials relies on the air intake temp and humidity regulator be connected on air channel adjustment pipeline to control;
3rd step, dry
After material passes on away by discharging drag conveyor, through less than 80 DEG C low temperature dryings to water content lower than 12.5%, protein feed raw material product can be obtained.
In described second step, the humiture method of adjustment of fermentation materials is:
Material fermentation temperature in the upper shed casing of any layer fermenting cellar box unit, when humidity departs from setting value, open air blast and air exhauster, open the air draft motor-driven valve of this layer of fermenting cellar internal box unit upper shed casing simultaneously, and open the air intake motor-driven valve of the lower floor fermenting cellar each box unit upper shed casing adjacent with this layer, the wind of air blast conveying is by after the adjustment of air intake temp and humidity regulator, enter in lower floor's fermenting cellar each box unit upper shed casing adjacent with this layer through air intake passage, and the crack between a door and its frame of lower turning type flange door through this layer of described fermenting cellar box unit, the tube wall gap of guide duct, after to penetrate in described this layer of fermenting cellar each box unit upper shed casing material bed, discharge from air exhaust passage, when the material in fermenting cellar is in oxygen consumption yeast phase, carry out ventilation oxygen supply according to above-mentioned steps appropriateness unlatching air intake motor-driven valve and air draft motor-driven valve, in the fermentation stability phase, close or turn down air intake motor-driven valve and air draft motor-driven valve.
In described second step the temperature and humidity regulation method of power of blowing be:
When needs hot blast, external heat working medium enters the shell side of tubular heat exchanger, heats the natural wind by tube side, otherwise outside cold working medium enters the shell side of tubular heat exchanger, lowers the temperature to the natural wind by tube side;
When needs humidification, external water source enters humidifier section by pipeline, carries out humidification and dedusting by cascade to the natural wind of process.
The invention has the advantages that the mode adopting gas explosion to combine with enzymolysis and biofermentation is carried out biology to dregs of beans and transformed.Steam explosion technology is utilized to carry out pretreatment to raw material, pass through demolition set, utilize saturated steam by heating raw materials to certain pressure, steam is made to infiltrate material institutional framework inside under pressure, form powerful compressed gas physical efficiency and explosion release at short notice, thus break the large molecular lattice structure of material from molecular level, to the physical arrangement of material and chemical composition, there is very strong reconstruct effect, reduce ANFs, and make material slaking, be convenient to the trans-utilization of solid state fermentation stage enzymolysis and fermentable, shorten fermentation period; Gas explosion simultaneously can reach the object to raw material sterilizing, makes the pollution reducing miscellaneous bacteria in solid fermentation process, ensures the quality of product.
This method adopts modularization automatic fermentation device to carry out solid state fermentation, carries out enzymolysis and biofermentation after the material after explosion mixes with zymocyte liquid and enzyme preparation in the solid-state biological raw material automatic fermentation device of load moduleization.Achieve temperature automatically controlled, to control the ventilation that wets, controls requirement, biological transformation ratio is high, and fermentation period is short, and loss is few, and cost is low, can realize the Production requirement of mechanization, scale.The nutrition class material such as beneficial bacterium, amino acid, biochemical enzymes, somatomedin that secretion is a large amount of with synthesis in biotransformation, adjustment and raising animal body immunity, reach prevent disease, improve survival rate, growth promoting effects, reduce costs, the effects such as increasing both production and income.When using as animal feed raw material, can reduce or not need additionally to add the additive such as probio, enzyme preparation.
Accompanying drawing explanation
Fig. 1 is the structural representation of modular solid-state biological raw material continuous fermentation apparatus special in the present invention.
Fig. 2 is the structural representation of air intake temp and humidity regulator in Fig. 1.
Detailed description of the invention
The method that dregs of beans enzymatic hydrolysis and fermentation of the present invention produces protein feed raw material comprises the steps:
the first step, liquid fermentation
A, candida utili bacterial classification SPSS YPD culture medium being cultivated activation will be used to make suspension, be inoculated in fermentation medium, wherein contain 10% glucose or molasses, 0.5% ammonium sulfate, 0.5% dipotassium hydrogen phosphate, 0.05% magnesium sulfate in fermentation medium used, at ventilation 1:0.4, temperature 30 ~ 32 DEG C, cultivate 20 ~ 24h under pressure 0.06 ~ 0.08Mpa condition, obtain candida utili zymotic fluid;
B, the bacillus subtilis bacterial classification SPSS that beef-protein medium cultivation will be used to activate make suspension, be inoculated in liquid fermentation medium, wherein contain bean cake powder 4.5-6.2% in fermentation medium used, corn flour 1.0-3.0%, wheat bran 1.0-1.5%, disodium hydrogen phosphate 0.4-0.8%, potassium dihydrogen phosphate 0.03-0.05%, magnesium sulfate 0.2-0.6%, sodium chloride 0.5-1.0%; Condition of culture: pressure 0.05-0.1 Mpa, speed of agitator 170-230 r/min, ventilation 1:0. 5-1.2, cultivation temperature 35-37 DEG C, cultivation and fermentation 18 ~ 24h, obtains fermentation of bacillus subtilis liquid;
C, use solid MRS cultivate lactobacillus acidophilus, the lactobacillus acidophilus cultivating activation is made suspension with SPSS, be inoculated in liquid fermentation medium, wherein contain glucose or molasses 20-50g/L, corn steep liquor 20-35 g/L in fermentation medium used, bitter salt 0.25-0.35 g/L, four hydrated manganese sulfate 0.01-0.015 g/L, seven ferric sulfate hydrate 0.01-0.015 g/L, sodium acetate 16-21 g/L, Tween-80 l mL/L; Condition of culture: tank pressure 0.05-0.1 Mpa, quiescent culture, cultivation temperature 30-32 DEG C, cultivation and fermentation 18 ~ 22h, obtain lactobacillus acidophilus zymotic fluid;
D, that above-mentioned three kinds of zymotic fluids are made mixed bacteria liquid is according to a certain percentage for subsequent use;
second step, solid enzymolysis and fermentation
A, dregs of beans raw material is loaded detonation, coefficient is 60 ~ 80%, passes into the saturated vapor of 180 ~ 250 DEG C, maintain 0.5 ~ 10min, open operated pneumatic valve immediately and carry out steam blasting after detonation pressure reaches 0.5 ~ 2.0Mpa after the sealing of detonation tank body;
B, the mixed bacteria liquid material after gas explosion, the first step prepared, molasses mix in mixer by weight the ratio of 1:0.6 ~ 1.3:0.03 ~ 0.08, add neutral proteinase 25 ~ 80 IU/g raw material simultaneously, cellulase 50 ~ 180 IU/g raw material, zytase 25 ~ 50 IU/g raw material, mannase 20 ~ 55 IU/g raw material, pectase 35 ~ 80 U/g raw material, phytase 5 ~ 15 U/g raw material, middle temperature amylase 15 ~ 25 U/g raw material, carbohydrase 100 ~ 180 U/g raw material mixes, regulate moisture 35 ~ 45%, make mixed material;
C, mixed material sent in special modular solid-state biological raw material continuous fermentation apparatus and carries out enzymolysis and fermentation, setting enzymolysis and fermentation temperature 28 ~ 45 DEG C, relative humidity 60 ~ 90%, fermentation time 18 ~ 36h, as shown in Figure 1, the pylon of this continuous fermentation apparatus is provided with five layers of fermenting cellar
:
Mixed material sends into pendulum distributing device 2 by elevator 1, enter scraper plate distributing device 3 again, be evenly distributed in the upper shed casing of each box unit 4 of layer 5 fermenting cellar by scraper plate distributing device 3, the cloth height reaching setting when material (that is: is detected by material-level measure sensor 5 and transfers data to the industrial computer of control system, industrial computer sends instruction and stops upstream equipment charging) after, turnover panel executing agency 6 bottom box unit controls lower turning type plate-turning door and automatically opens, materials overturning is discharged into below the 4th layer of fermenting cellar upper shed casing in ferment, now the lower turning type plate-turning door of the 4th layer of each box unit of fermenting cellar is in closed condition, material obtains once inside out in the process scattered, layer 5 lower turning type plate-turning door after discharging is after the time of setting, and industrial computer controls it and closes, and starts to enter next round cloth, material fermentation in the upper shed casing of the 4th layer of fermenting cellar is after setting-up time, industrial computer sends instruction, open the lower turning type plate-turning door of the 4th each box unit 4 of fermenting cellar, material scatters in the upper shed casing of each box unit 4 of third layer fermenting cellar under gravity, material scatter in process obtain second time stirring.After the time of setting, the lower turning type plate-turning door that industrial computer controls the 4th layer of each box unit 4 of fermenting cellar is closed, and enters next round charging.
The course of work of third layer fermenting cellar, second layer fermenting cellar is identical with the 4th layer of fermenting cellar, no longer repeats; When after fermentation during materials overturning is discharged in ground floor upper shed casing, the lower turning type plate-turning door that industrial computer controls ground floor is opened, and the material fermented is postponed and gone out hopper 7 and be discharged on discharging drag conveyor 8;
The upper shed casing of each box unit 4 of the most top layer fermenting cellar of pylon of the modular solid-state biological raw material continuous fermentation apparatus that the present invention is special only plays cloth effect, and do not ferment, each layer fermenting cellar below top layer carries out fermentation work continuously;
When material continuously ferments successively in the upper shed casing of each layer fermenting cellar, in every layer of fermenting cellar, the humiture of fermentation materials relies on the air intake temp and humidity regulator 9 be connected on air channel adjustment pipeline to control;
3rd step, dry
After material passes on away by discharging drag conveyor 8, through less than 80 DEG C low temperature dryings to water content lower than 12.5%, protein feed raw material product can be obtained.
For humiture when ensureing material fermentation meets design requirement, in each layer fermenting cellar, the humiture adjustment of material can be carried out by the following method:
For third layer, when material fermentation temperature in industrial computer to detect third layer fermenting cellar box unit 4 upper shed casing by Temperature Humidity Sensor, when humidity departs from setting value, industrial computer sends instruction, open air blast 10 and air exhauster 11, open the air intake motor-driven valve 12 towards second layer fermenting cellar each box unit upper shed casing and the air draft motor-driven valve 13 towards third layer fermenting cellar internal box unit upper shed casing simultaneously, after the wind that air blast 10 is carried is regulated by air intake temp and humidity regulator 9, enter in second layer fermenting cellar each box unit upper shed casing through air intake passage 14, and the crack between a door and its frame of lower turning type flange door through third layer fermenting cellar box unit, the tube wall gap of guide duct, after to penetrate in third layer fermenting cellar each box unit upper shed casing material bed, discharge from air exhaust passage 15, that is: wind-force second layer fermenting cellar from below enters, be discharged from third layer fermenting cellar after penetrating the material in third layer fermenting cellar, humiture in third layer fermenting cellar is adjusted, regulative mode is ingenious and remarkably productive, when the material in fermenting cellar is in oxygen consumption yeast phase, carry out ventilation oxygen supply according to above-mentioned steps appropriateness unlatching air intake motor-driven valve 12 and air draft motor-driven valve 13, in the fermentation stability phase, can close or turn down air intake motor-driven valve 12 and air draft motor-driven valve 13.
The wind-force of air blast conveying enters air intake temp and humidity regulator 9(as shown in Figure 2) in after the control method of concrete humiture be:
When needing hot blast in fermenting cellar, industrial computer controls Electrocontrolled tee valve 16 and opens the valve with external source UNICOM, external heat working medium enters the shell side 17 of tubular heat exchanger, heats the natural wind by tube side 18, to improve the temperature of fermentation materials in fermenting cellar; Otherwise industrial computer controls Electrocontrolled tee valve 16 and opens the valve with external source UNICOM, and outside cold working medium enters the shell side 17 of tubular heat exchanger, lowers the temperature to the natural wind by tube side 18, to reduce the temperature of fermentation materials in fermenting cellar;
When needing to carry out humidification to the material in fermenting cellar, industrial computer controls electrically-controlled valve 19 and opens, external water source enters in humidifier tube 21 by pipeline 20,5 ~ 10cm Hou five road the cascade 22 formed can carry out humidification, and (per pass cascade is all controlled by a tap to the natural wind through humidifier tube 21, the height of the relative humidity that can detect according to fermenting cellar humidity meter, regulated the humidity entering fermentation room air by the quantity opening and closing tap, thus improve relative humidity; If relative humidity higher than 90% time, stronger ventilation amount can be carried out, to reduce the relative humidity in fermenting cellar by opening air blast 10 and air exhauster 11); Meanwhile, also dust removal process can be obtained by the wind of humidifier tube 21 simultaneously.Certainly, also can carry out humidification and hyperthermic treatment to the natural wind sent into simultaneously, or humidification and cooling processing.
Below by specific embodiment, the present invention will be further described in detail.
embodiment 1
The method that dregs of beans enzymatic hydrolysis and fermentation of the present invention produces protein feed raw material comprises the steps:
the first step, liquid fermentation
The concrete preparation method of candida utili zymotic fluid, fermentation of bacillus subtilis liquid, lactobacillus acidophilus zymotic fluid is with described in detailed description of the invention, and it is for subsequent use that it is made mixed bacteria liquid in the ratio of 1:1:1;
second step, solid enzymolysis and fermentation
A, dregs of beans raw material is loaded detonation, coefficient is 60 ~ 80%, passes into the saturated vapor of 200 DEG C, maintain 5 min, open operated pneumatic valve and carry out steam blasting in 0.00875s after detonation pressure reaches 1.0 MPa after the sealing of detonation tank body;
B, the mixed bacteria liquid material after gas explosion, the first step prepared, molasses mix in mixer by weight the ratio of 1:0.6:0.08, add neutral proteinase 75 U/g raw material simultaneously, cellulase 180 IU/g raw material, zytase 50 IU/g raw material, mannase 55 IU/g raw material, pectase 35 U/g raw material, phytase 10 IU/g raw material, middle temperature amylase 20 U/g raw material, carbohydrase 180 U/g raw material, mix rear adjustment moisture to 38%, make mixed material;
C, mixed material sent in special modular solid-state biological raw material continuous fermentation apparatus as shown in Figure 1 and carries out enzymolysis and fermentation, setting enzymolysis and fermentation temperature 28 ~ 45 DEG C, relative humidity 60 ~ 90%, fermentation time 34h
:
3rd step, dry
After fermentation, material temperature below 80 DEG C is dried to water content lower than 12.5% protein feed raw material product, crude protein content 47.8% in finished product protein feed raw material, acid-soluble protein content 5.72%.
By the changes of contents of ANFs in dregs of beans during different disposal method be:
。
embodiment 2
The method that dregs of beans enzymatic hydrolysis and fermentation of the present invention produces protein feed raw material comprises the steps:
the first step, liquid fermentation
The concrete preparation method of candida utili zymotic fluid, fermentation of bacillus subtilis liquid, lactobacillus acidophilus zymotic fluid is with described in detailed description of the invention, and it is for subsequent use that it is made mixed bacteria liquid in the ratio of 2:1:1;
second step, solid enzymolysis and fermentation
A, dregs of beans raw material is loaded detonation, coefficient is 60 ~ 80%, passes into the saturated vapor of 215 DEG C, maintain 2min, open operated pneumatic valve immediately and carry out steam blasting after detonation pressure reaches 1.5Mpa after the sealing of detonation tank body;
B, the mixed bacteria liquid material after gas explosion, the first step prepared, molasses mix in mixer by weight the ratio of 1:1.2:0.03, add neutral proteinase 55 U/g raw material simultaneously, cellulase 100 IU/g raw material, zytase 40 IU/g raw material, mannase 35 IU/g raw material, pectase 55 U/g raw material, phytase 15 IU/g raw material, middle temperature amylase 25 U/g raw material, carbohydrase 160 U/g raw material, mix rear adjustment moisture to 42%, make mixed material;
C, mixed material sent in special modular solid-state biological raw material continuous fermentation apparatus as shown in Figure 1 and carries out enzymolysis and fermentation, setting enzymolysis and fermentation temperature 28 ~ 45 DEG C, relative humidity 60 ~ 90%, fermentation time 28h
:
3rd step, dry
After fermentation, material temperature below 80 DEG C is dried to water content lower than 12.5% protein feed raw material product, crude protein content 46.3% in finished product protein feed raw material, acid-soluble protein content 5.89%.
By the changes of contents of ANFs in dregs of beans during different disposal method be:
。
embodiment 3
The method that dregs of beans enzymatic hydrolysis and fermentation of the present invention produces protein feed raw material comprises the steps:
the first step, liquid fermentation
The concrete preparation method of candida utili zymotic fluid, fermentation of bacillus subtilis liquid, lactobacillus acidophilus zymotic fluid is with described in detailed description of the invention, and it is for subsequent use that it is made mixed bacteria liquid in the ratio of 2:2:1;
second step, solid enzymolysis and fermentation
A, dregs of beans raw material is loaded detonation, coefficient is 60 ~ 80%, passes into the saturated vapor of 250 DEG C, maintain 0.5 min, open operated pneumatic valve immediately and carry out steam blasting after detonation pressure reaches 2.0 Mpa after the sealing of detonation tank body;
B, the mixed bacteria liquid material after gas explosion, the first step prepared, molasses mix in mixer by weight the ratio of 1:0.8:0.05, add neutral proteinase 35 U/g raw material simultaneously, cellulase 80 IU/g raw material, zytase 25 IU/g raw material, mannase 25 IU/g raw material, pectase 80 U/g raw material, phytase 5 IU/g raw material, middle temperature amylase 15 U/g raw material, carbohydrase 120 U/g raw material, mix rear adjustment moisture to 41%, make mixed material;
C, mixed material sent in special modular solid-state biological raw material continuous fermentation apparatus as shown in Figure 1 and carries out enzymolysis and fermentation, setting enzymolysis and fermentation temperature 28 ~ 45 DEG C, relative humidity 60 ~ 90%, fermentation time 32h
:
3rd step, dry
After fermentation, material temperature below 80 DEG C is dried to water content lower than 12.5% protein feed raw material product, crude protein content 47.2% in finished product protein feed raw material, acid-soluble protein content 5.52%.
By the changes of contents of ANFs in dregs of beans during different disposal method be:
。
Claims (3)
1. dregs of beans enzymatic hydrolysis and fermentation produces a method for protein feed raw material, it is characterized in that: comprise the steps:
the first step, liquid fermentation
A, by cultivate activation candida utili bacterial classification SPSS make suspension, be inoculated in fermentation medium cultivate 20 ~ 24h, obtain candida utili zymotic fluid;
B, by cultivate activation bacillus subtilis bacterial classification SPSS make suspension, be inoculated into cultivation and fermentation 18 ~ 24h in liquid fermentation medium, obtain fermentation of bacillus subtilis liquid;
C, by cultivate activation lactobacillus acidophilus make suspension with SPSS, be inoculated into cultivation and fermentation 18 ~ 22h in liquid fermentation medium, obtain lactobacillus acidophilus zymotic fluid;
D, that above-mentioned three kinds of zymotic fluids are made mixed bacteria liquid is according to a certain percentage for subsequent use;
second step, solid enzymolysis and fermentation
A, dregs of beans raw material is loaded detonation, pass into the saturated vapor of 180 ~ 250 DEG C after the sealing of detonation tank body, after detonation pressure reaches 0.5 ~ 2.0Mpa, maintain 0.5 ~ 10min, open operated pneumatic valve immediately and carry out steam blasting;
B, the mixed bacteria liquid material after gas explosion, the first step prepared, molasses mix in mixer by weight the ratio of 1:0.6 ~ 1.3:0.03 ~ 0.08, add neutral proteinase 25 ~ 80 IU/g raw material simultaneously, cellulase 50 ~ 180 IU/g raw material, zytase 25 ~ 50 IU/g raw material, mannase 20 ~ 55 IU/g raw material, pectase 35 ~ 80 U/g raw material, phytase 5 ~ 15 U/g raw material, middle temperature amylase 15 ~ 25 U/g raw material, carbohydrase 100 ~ 180 U/g raw material mixes, regulate moisture 35 ~ 45%, make mixed material;
C, mixed material sent in special modular solid-state biological raw material continuous fermentation apparatus and carries out enzymolysis and fermentation, setting enzymolysis and fermentation temperature 28 ~ 45 DEG C, relative humidity 60 ~ 90%, fermentation time 18 ~ 36h:
Mixed material sends into pendulum distributing device by elevator, enter scraper plate distributing device again, evenly be distributed in the upper shed casing of each box unit of the most top layer fermenting cellar of the pylon being provided with N layer fermenting cellar from bottom to top by scraper plate distributing device, after material reaches the cloth height of setting, lower turning type plate-turning door bottom each box unit of top layer is opened automatically, ferments in upper shed casing materials overturning being discharged into below N-1 layer fermenting cellar; Top layer lower turning type plate-turning door after discharging is closed, and starts next round cloth; When material fermentation in the upper shed casing of N-1 layer fermenting cellar is to setting value, fermentation is continued in the upper shed casing by the lower turning type plate-turning door bottom it materials overturning being discharged to N-2 layer fermenting cellar again, the N-1 layer lower turning type plate-turning door closedown that discharging is complete, meet the material under top layer upper shed casing varus unloading, new round cloth is carried out again in top layer upper shed casing, the like, realize continuously fermenting of material; When materials overturning to be discharged in bottom first layer upper shed casing after fermentation, the lower turning type plate-turning door of ground floor is opened, and the material fermented is postponed and gone out hopper and be discharged on discharging drag conveyor;
When material continuously ferments in the upper shed casing of ground floor to N-1 layer fermenting cellar, the humiture of every layer of fermentation materials relies on the air intake temp and humidity regulator be connected on air channel adjustment pipeline to control;
3rd step, dry
After material passes on away by discharging drag conveyor, through less than 80 DEG C low temperature dryings to water content lower than 12.5%, protein feed raw material product can be obtained.
2. dregs of beans enzymatic hydrolysis and fermentation according to claim 1 produces the method for protein feed raw material, it is characterized in that: in described second step, the humiture method of adjustment of fermentation materials is:
Material fermentation temperature in the upper shed casing of any layer fermenting cellar box unit, when humidity departs from setting value, open air blast and air exhauster, open the air draft motor-driven valve of this layer of fermenting cellar internal box unit upper shed casing simultaneously, and open the air intake motor-driven valve of the lower floor fermenting cellar each box unit upper shed casing adjacent with this layer, the wind of air blast conveying is by after the adjustment of air intake temp and humidity regulator, enter in lower floor's fermenting cellar each box unit upper shed casing adjacent with this layer through air intake passage, and the crack between a door and its frame of lower turning type flange door through this layer of described fermenting cellar box unit, the tube wall gap of guide duct, after to penetrate in described this layer of fermenting cellar each box unit upper shed casing material bed, discharge from air exhaust passage, when the material in fermenting cellar is in oxygen consumption yeast phase, carry out ventilation oxygen supply according to above-mentioned steps appropriateness unlatching air intake motor-driven valve and air draft motor-driven valve, in the fermentation stability phase, close or turn down air intake motor-driven valve and air draft motor-driven valve.
3. dregs of beans enzymatic hydrolysis and fermentation according to claim 1 and 2 produces the method for protein feed raw material, it is characterized in that: in described second step the temperature and humidity regulation method of power of blowing be:
When needs hot blast, external heat working medium enters the shell side of tubular heat exchanger, heats the natural wind by tube side, otherwise outside cold working medium enters the shell side of tubular heat exchanger, lowers the temperature to the natural wind by tube side;
When needs humidification, external water source enters humidifier section by pipeline, carries out humidification and dedusting by cascade to the natural wind of process.
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CN106578402A (en) * | 2016-12-06 | 2017-04-26 | 江南大学 | High-protein fermented soybean meal and preparation method thereof |
CN106720931A (en) * | 2016-12-06 | 2017-05-31 | 江南大学 | A kind of peanut protein of low SNSP and preparation method thereof |
CN109452450A (en) * | 2018-10-18 | 2019-03-12 | 桂林精成生物科技有限公司 | A kind of industrialized production fermented bean dregs and preparation method thereof |
WO2019122192A1 (en) * | 2017-12-22 | 2019-06-27 | Hamlet Protein A/S | Vertical plug-flow process for bio-conversion of biomass involving enzymes |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1911066A (en) * | 2006-08-24 | 2007-02-14 | 武汉邦之德牧业科技有限公司 | Process of strengthening deep fermentation of soybean dregs with composite enzyme |
CN101401614A (en) * | 2008-10-30 | 2009-04-08 | 河南省龙腾高科实业有限公司 | Multi-bacterial fermentation production of protein feedstuff with steam exploration of vegetables dregs and cotton dregs and method thereof |
CN101642187A (en) * | 2009-09-02 | 2010-02-10 | 张培举 | Protein feed rich in small peptides and multi-enzyme bacteria and preparation method thereof |
CN101914432A (en) * | 2010-07-28 | 2010-12-15 | 顾建洪 | Tower solid fermentation device |
CN104171279A (en) * | 2014-08-08 | 2014-12-03 | 哈尔滨远大牧业有限公司 | Piglet fodder anti-stress additive as well as preparation method and application thereof |
-
2015
- 2015-06-30 CN CN201510384186.XA patent/CN104904991A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1911066A (en) * | 2006-08-24 | 2007-02-14 | 武汉邦之德牧业科技有限公司 | Process of strengthening deep fermentation of soybean dregs with composite enzyme |
CN101401614A (en) * | 2008-10-30 | 2009-04-08 | 河南省龙腾高科实业有限公司 | Multi-bacterial fermentation production of protein feedstuff with steam exploration of vegetables dregs and cotton dregs and method thereof |
CN101642187A (en) * | 2009-09-02 | 2010-02-10 | 张培举 | Protein feed rich in small peptides and multi-enzyme bacteria and preparation method thereof |
CN101914432A (en) * | 2010-07-28 | 2010-12-15 | 顾建洪 | Tower solid fermentation device |
CN104171279A (en) * | 2014-08-08 | 2014-12-03 | 哈尔滨远大牧业有限公司 | Piglet fodder anti-stress additive as well as preparation method and application thereof |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105767912A (en) * | 2016-01-14 | 2016-07-20 | 河南农业大学 | Method for removing anti-nutritional factors from bean meal |
CN106578402A (en) * | 2016-12-06 | 2017-04-26 | 江南大学 | High-protein fermented soybean meal and preparation method thereof |
CN106720931A (en) * | 2016-12-06 | 2017-05-31 | 江南大学 | A kind of peanut protein of low SNSP and preparation method thereof |
WO2019122192A1 (en) * | 2017-12-22 | 2019-06-27 | Hamlet Protein A/S | Vertical plug-flow process for bio-conversion of biomass involving enzymes |
CN109452450A (en) * | 2018-10-18 | 2019-03-12 | 桂林精成生物科技有限公司 | A kind of industrialized production fermented bean dregs and preparation method thereof |
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