CN106551404A

CN106551404A - Dietary fiber and method of protein are extracted from bean dregs

Info

Publication number: CN106551404A
Application number: CN201611047997.1A
Authority: CN
Inventors: 曹巧巧
Original assignee: Jiaxing Vocational and Technical College
Current assignee: Jiaxing Vocational and Technical College
Priority date: 2016-11-23
Filing date: 2016-11-23
Publication date: 2017-04-05

Abstract

The present invention provides one kind and dietary fiber and method of protein is extracted from bean dregs, comprises the following steps：1) bean dregs pre-treatment；2) extract degreasing；3) water insoluble dietary fiber is extracted；4) Protein Extraction；5) water-soluble dietary fiber is extracted；Wherein wet bean dregs carry out bean dregs pre-treatment in being put to pretreating device, wet bean dregs are smashed into okara powder, and be oven-dried, okara powder after drying extracts degreasing in being admitted to degreasing plant and obtains defatted bean-dregs powder, defatted bean-dregs powder is put in dietary fiber extraction apparatus one, after adding alkaline reaction, obtain supernatant one and sediment one, sediment one is water insoluble dietary fiber, supernatant one is passed through in Protein Extraction device, after adding acid liquid reaction, obtain supernatant two and sediment two, sediment two is protein, supernatant two is passed through into dietary fiber extraction apparatus two, add ethanol, it is precipitated thing three, sediment three is water-soluble dietary fiber.

Description

Dietary fiber and method of protein are extracted from bean dregs

Technical field

The invention belongs to technical field of chemistry, is related to one kind and dietary fiber and method of protein is extracted from bean dregs.

Background technology

Bean dregs are the Main By products in the processing of the bean products such as bean curd, soymilk, account for the 15%-20% of full dried bean curd weight, According to incompletely statistics, if the wet bean dregs for producing 2kg according to every processing 0.5kg soybean are calculated, current country's soy food product industry It is annual about to produce 20,000,000 tons of wet bean dregs.Research shows that dietary fiber accounts for 50%-60%, thick protein 15%- in bean dregs 20%, crude fat 6%-12%, and the feature thing such as multivitamin, mineral matter, isoflavones, soyasaponin and phytic acid Matter.Ferment due to its water content high (75-85%) and easily for a long time rotten, be taken as mostly feed, the fertilizer of low value Material is discarded.And be to preserve to transport the dried process for carrying out because expense is too greatly without forming good industry chain (supply chain).It is right at present The resources development and utilization of bean dregs is still rested on using which and is prepared at the beginning of the food such as a beef ball, bakery, fast food as major ingredient The addition of processing or as feed.Recently as the rise of the research to bioactivator, a large amount of fibres contained in bean dregs Dimension element and isoflavones, natural VE isoreactivity material are more and more taken seriously, but the extraction to its bean dregs dietary fiber or protein It is substantially single and do not carry out systematic research, still in laboratory stage, for the little of produce reality.

The content of the invention

The purpose of the present invention is there are the problems referred to above for existing technology, it is proposed that it is fine that one kind extracts meals from bean dregs Peacekeeping method of protein, can simplify step, improve production efficiency.

The purpose of the present invention can be realized by following technical proposal：

Dietary fiber and method of protein are extracted from bean dregs, is comprised the following steps：

1) bean dregs pre-treatment：Fresh wet okara is put in pulverizer, pulverizer is ground into wet bean dregs after okara powder, The outlet valve of pulverizer discharge outlet is opened, okara powder is fallen in conveying auger one, start the motor of conveying auger one, motor drives Dynamic screw-conveyer-shaft is rotated, and screw-conveyer-shaft sends into okara powder in feed pipe one, while screw-conveyer-shaft conveys okara powder, by conveying auger Electric heating piece in one is powered, and the inside of heated transportation auger one after electric heating piece energization, okara powder are oven-dried, the okara powder after drying Fall into after reactor one from feed pipe one, motor stalls, electric heating piece remain powered on heating；

2) extract degreasing：Extraction flow container is opened, digestion agent is added in reactor one, start the rabbling mechanism of reactor one Motor, Motor drive shaft rotates, and shaft is stirred to okara powder and digestion agent, and the heat in conveying auger one leads to Cross feed pipe one to be passed through in reactor one, one internal temperature of reactor is maintained at 45～65 DEG C, after extracting 4～6h, open anti- The discharge nozzle one of kettle one, the mixture in reactor one is answered to be passed through centrifuge one from discharge nozzle one and be centrifuged, centrifugal rotational speed is 4000～8000r/min, centrifugation time are 25～45min, and bean dregs grouts are obtained after centrifugation；Open the solids exit of centrifuge one Mouthful, bean dregs grouts are fallen in conveying auger two, open the motor of conveying auger two, while the electric heating piece of conveying auger two is led to Electricity, the inside of heated transportation auger two after electric heating piece energization, bean dregs grouts are oven-dried and dissipate into defatted bean-dregs powder, defatted bean-dregs powder It is transported in reactor two；

3) water insoluble dietary fiber is extracted：Alkali liquid tank is opened, 1mol/L NaOH solutions is added in reactor two, so Buffering flow container is opened afterwards, adds buffer solution, pH value of solution is adjusted to 8～10 in reactor two；Open supersonic generator auxiliary Help extraction, after extracting 1～2h, open the discharge nozzle two of reactor two, the mixture in reactor two from discharge nozzle two be passed through from Scheming two is centrifuged, and centrifugal rotational speed is 5000～9000r/min, and centrifugation time is 20～35min, is centrifuged and obtains supernatant one With sediment one；The liquid outlet of centrifuge two is opened, supernatant one is passed through in reactor three, the solid for opening centrifuge two goes out Material mouth, sediment one are fallen in washer one, open the shower in washer one, and shower sprays deionization to sediment one Water, obtains water insoluble dietary fiber after flushing；

4) Protein Extraction：Acid solution tank is opened, and acid solution is added in reactor three, pH value of solution is adjusted to 4～5, Start the motor of the rabbling mechanism of reactor three, Motor drive shaft is rotated, shaft is intermittent to mixed liquor to be stirred, and extracts After 4～6h, open reactor three discharge nozzle two, the mixture in reactor three from discharge nozzle three be passed through centrifuge three carry out from The heart, centrifugal rotational speed are 5000～9000r/min, and centrifugation time is 20～35min, is centrifuged and obtains supernatant two and sediment two； The liquid outlet of centrifuge three is opened, supernatant two is passed through in the filter bag of reactor four, open the solid outlet of centrifuge three, Sediment two is fallen in washer two, opens the shower in washer two, and shower is to two Air washer of sediment, punching Protein is obtained after washing；

5) water-soluble dietary fiber is extracted：Open the discharging tube of the upper reative cell of reactor four, water in filter bag and little After molecular substance is discharged through filter bag, the discharge nozzle five of filter bag is opened, and the trapped fluid in filter bag is flowed under reactor four Reative cell, opens alcohol tank, ethanol solution is added in downward reative cell, after standing 20～24h, opens going out for lower reative cell under room temperature Expects pipe four, the mixture of lower reative cell are passed through centrifuge four from discharge nozzle four and are centrifuged, and centrifugal rotational speed is 5000～9000r/ Min, centrifugation time are 10～25min, are centrifuged and obtain supernatant three and sediment three；The solid outlet of centrifuge four is opened, Sediment three is fallen in washer three, opens the shower in washer three, and shower is to three Air washer of sediment, punching Water-soluble dietary fiber is obtained after washing.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, step 1) in, inside conveying auger one 65～80 DEG C are heated to, the top of the discharging opening of pulverizer is provided with screen cloth, and okara powder is fallen into after crossing screen cloth in conveying auger one, Screen cloth is 60～80 mesh sieves.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, step 2) in, digestion agent used is for just Hexane, is heated to 55～85 DEG C inside conveying auger two.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, step 3) in also include：Open and rinse The discharging opening of machine one, water insoluble dietary fiber are fallen in conveying auger three, open the motor of conveying auger three, while will conveying The electric heating piece of auger three is powered, electric heating piece be powered after heated transportation auger three inside, water insoluble dietary fiber be oven-dried and It is transported to water insoluble dietary fiber Material collecting box for harvesting.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, step 3) in, ultrasonic extraction parameter is： 300～800w of ultrasonic power, ultrasonic wave added time are 40～60min.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, step 3) also include：Open pressure fan And blast pipe, blast pipe will gas spray into mixed liquor in carry out bubbling.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, step 4) also include：Open washer Two discharging opening, protein are fallen in conveying auger four, open the motor of conveying auger four, while by the electric heating of conveying auger four Piece is powered, and the inside of heated transportation auger four after electric heating piece energization, protein are oven-dried and are transported to protein Material collecting box for harvesting.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, step 5) also include：Open washer Three discharging opening, water-soluble dietary fiber are fallen in conveying auger five, open the motor of conveying auger five, while by conveying auger Five electric heating piece is powered, and the inside of heated transportation auger five after electric heating piece energization, water-soluble dietary fiber are oven-dried and are conveyed To water-soluble dietary fiber Material collecting box for harvesting.

Extract in dietary fiber and method of protein, in step 3 from bean dregs above-mentioned) in, it is upper that centrifugation is obtained Clear liquid one is first passed through in fluid reservoir one, opens the triple valve of one liquid outlet of fluid reservoir, by fluid reservoir one and the feed liquor of reactor two Pipe eight connectivity, supernatant one is refilled in reactor two, is centrifuged subsequently into centrifuge two again, is repeatedly centrifuged Afterwards, switch the triple valve opening of one liquid outlet of fluid reservoir, by fluid reservoir one and reactor tee joint, supernatant one is passed through into reaction In kettle three；In step 4) in, the supernatant two for obtaining is centrifuged and is first passed through in fluid reservoir two, open the threeway of two liquid outlet of fluid reservoir Valve, fluid reservoir two is connected with the feed tube four of reactor three, and supernatant two is refilled in reactor three, subsequently into from Scheming three is centrifuged again, after being repeatedly centrifuged, switches the triple valve opening of two liquid outlet of fluid reservoir, by fluid reservoir two and reaction Kettle four is connected, and supernatant two is passed through in reactor four；In step 5) in, the supernatant three for obtaining is centrifuged and is first passed through fluid reservoir three In, the triple valve of three liquid outlet of fluid reservoir is opened, fluid reservoir three is connected with the feed tube six of reactor four, supernatant is triple In new injection reactor four, it is centrifuged subsequently into centrifuge four again, after being repeatedly centrifuged, switches three liquid outlet of fluid reservoir Triple valve opening, fluid reservoir three is connected with waste liquid pool, and supernatant three is entered waste liquid pool.

Extract from bean dregs in dietary fiber and method of protein above-mentioned, also including measure water-insoluble meals respectively The step of food fiber, protein and water-soluble dietary fiber characteristic.

Compared with prior art, the present invention has the advantage that：

Pulverizer is connected by conveying auger one with reactor one, is not only realized the conveying of okara powder, and is conveyed strand Electric heating piece is provided with dragon one, with heating function, the okara powder after crushing can be dried, okara powder need not be conveyed again Dried in drying mechanism, directly realize drying in conveying；Extraction is led to after obtaining dietary fiber and protein respectively Cross conveying auger three, conveying auger four and conveying auger five to convey, drying is also realized in conveying, two steps combine raising Production efficiency, reduces production cost.

Description of the drawings

Fig. 1 is the flow chart of the extracting method that the present invention is provided.

Fig. 2 is the structural representation of the extraction system of the present invention.

Fig. 3 is the schematic enlarged-scale view of pretreating device and degreasing plant.

Fig. 4 is the schematic enlarged-scale view of dietary fiber extraction apparatus one.

Fig. 5 is the schematic enlarged-scale view of Protein Extraction device.

Fig. 6 is the schematic enlarged-scale view of dietary fiber extraction apparatus two.

In figure, 1, pulverizer；2nd, conveying auger one；3rd, reactor one；4th, centrifuge one；5th, feed pipe one；6th, feed tube One；7th, discharge nozzle one；8th, extract flow container；9th, reactor two；10th, centrifuge two；11st, washer one；12nd, feed pipe two；13rd, enter Liquid pipe two；14th, feed tube three；15th, discharge nozzle two；16th, conveying auger two；17th, buffer flow container；18th, alkali liquid tank；19th, reactor Three；20th, centrifuge three；21st, washer two；22nd, feed tube four；23rd, feed tube five；24th, discharge nozzle three；25th, acid solution tank；26、 Reactor four；27th, centrifuge four；28th, washer three；29th, feed tube six；30th, feed tube seven；31st, discharge nozzle four；32nd, alcohol tank； 33rd, base；34th, feed pipeline section；35th, feeding pipeline section；36th, delivery pipe body；37th, screw-conveyer-shaft；38th, thermal sleeve；39th, electric heating piece； 40th, screen cloth；41st, pressure fan；42nd, reaction kettle body one；43rd, lid one；44th, temperature sensor；45th, temperature indicator；46th, it is vented Pipe；47th, rabbling mechanism；48th, reaction kettle body two；49th, lid two；50th, supersonic generator；51st, ultrasonic probe；52nd, air inlet Pipe；53rd, air jet pipe；54th, nozzle；55th, liquid flowing tube one；56th, fluid reservoir one；57th, feed tube eight；58th, triple valve one；59th, filter membrane One；60th, filtering area；61st, spraying zone；62nd, shower；63rd, deionization water pot；64th, conveying auger three；65th, delivery pipe body two； 66th, thermal sleeve two；67th, water insoluble dietary fiber Material collecting box for harvesting；68th, reaction kettle body three；69th, lid three；70th, liquid flowing tube two； 71st, fluid reservoir two；72nd, triple valve two；73rd, filter membrane two；74th, conveying auger four；75th, protein Material collecting box for harvesting；76th, dividing plate；77th, on Reative cell；78th, lower reative cell；79th, filter bag；80th, discharge nozzle five；81st, discharging tube；82nd, fluid reservoir three；83rd, triple valve three；84、 Waste liquid pool；85th, filter membrane four；86th, conveying auger five；87th, water-soluble dietary fiber Material collecting box for harvesting.

Specific embodiment

The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, But the present invention is not limited to these embodiments.

Embodiment one

1) bean dregs pre-treatment：Fresh wet okara is put in pulverizer 1, wet bean dregs are ground into okara powder by pulverizer 1 Afterwards, the outlet valve of 1 discharge outlet of pulverizer is opened, the top of the discharging opening of pulverizer 1 is provided with 60 eye mesh screens 40, and okara powder is sieved Fall into after net 40 in conveying auger 1, start the motor of conveying auger 1, Motor drive screw-conveyer-shaft 37 is rotated, screw-conveyer-shaft 37 will Okara powder is sent in feed pipe 1, while screw-conveyer-shaft 37 conveys okara powder, the electric heating piece 39 in conveying auger 1 is led to Electricity, electric heating piece 39 be powered after the inside of conveying auger 1 is heated to into 65 DEG C, okara powder is oven-dried, the okara powder after drying from After feed pipe 1 falls into reactor 1, motor stalls, electric heating piece 39 remain powered on heating；

2) extract degreasing：Extraction flow container 8 is opened, digestion agent is added in reactor 1, digestion agent used is n-hexane, Start the motor of the rabbling mechanism 47 of reactor 1, Motor drive shaft is rotated, and shaft is carried out to okara powder and digestion agent Stirring, the heat in conveying auger 1 are passed through in reactor 1 by feed pipe 1, and one 3 internal temperature of reactor is maintained at 45 DEG C, extract 6h after, open reactor 1 discharge nozzle 1, the mixture in reactor 1 from discharge nozzle 1 be passed through from Scheming 1 is centrifuged, and centrifugal rotational speed is 4000r/min, and centrifugation time is 45min, and bean dregs grouts are obtained after centrifugation；Open centrifugation The solid outlet of machine 1, bean dregs grouts are fallen in conveying auger 2 16, open the motor of conveying auger 2 16, while will be defeated The electric heating piece 39 of auger 2 16 is sent to be powered, the inside of conveying auger 2 16 is heated to 55 DEG C after being powered by electric heating piece 39, bean dregs cake The dregs of rice are oven-dried and dissipate into defatted bean-dregs powder, and defatted bean-dregs pruinescence is delivered in reactor 29；

3) water insoluble dietary fiber is extracted：Alkali liquid tank 18 is opened, 1mol/L NaOH solutions is added in reactor 29, Be then turned on buffering flow container 17, buffer solution is added in reactor 29, pH value of solution is adjusted to 8；Open pressure fan 41 and jet Gas is sprayed into and carry out bubbling in mixed liquor to promote mixing by pipe 53, air jet pipe 53；50 assisted extraction of supersonic generator is opened, Ultrasonic extraction parameter is：Ultrasonic power 400w, ultrasonic wave added time are 60min, after extracting 2h, open the discharging of reactor 29 Pipe 2 15, the mixture in reactor 29 are passed through centrifuge 2 10 from discharge nozzle 2 15 and are centrifuged, and centrifugal rotational speed is 5000r/ Min, centrifugation time are 35min, and centrifugation obtains supernatant one and sediment one；The liquid outlet of centrifuge 2 10 is opened, is centrifuged To supernatant one be first passed through in fluid reservoir 1, open one 56 liquid outlet of fluid reservoir triple valve, by fluid reservoir 1 with it is anti- Answer the feed tube 8 57 of kettle 29 to connect, supernatant one is refilled in reactor 29, subsequently into centrifuge 2 10 again Centrifugation, after being repeatedly centrifuged, switches the triple valve opening of one 56 liquid outlet of fluid reservoir, by fluid reservoir 1 and reactor 3 19 Connection, supernatant one is passed through in reactor 3 19；The solid outlet of centrifuge 2 10 is opened, sediment one falls into washer In one 11, the shower 62 in washer 1 is opened, shower 62 obtains water not after flushing to one Air washer of sediment Soluble dietary fiber；The discharging opening of washer 1 is opened, water insoluble dietary fiber is fallen in conveying auger 3 64, opened defeated The motor of auger 3 64 is sent, while the electric heating piece 39 of conveying auger 3 64 is powered, heated transportation auger after the energization of electric heating piece 39 3 64 inside, water insoluble dietary fiber are oven-dried and are transported to water insoluble dietary fiber Material collecting box for harvesting 67.

4) Protein Extraction：Acid solution tank 25 is opened, and acid solution is added in reactor 3 19, pH value of solution is adjusted to 4, Start the motor of the rabbling mechanism 47 of reactor 3 19, Motor drive shaft is rotated, shaft is intermittent to mixed liquor to be stirred, After extracting 4h, the discharge nozzle 2 15 of reactor 3 19 is opened, and the mixture in reactor 3 19 is passed through centrifugation from discharge nozzle 3 24 Machine 3 20 is centrifuged, and centrifugal rotational speed is 5000r/min, and centrifugation time is 35min, and centrifugation obtains supernatant two and sediment Two；The liquid outlet of centrifuge 3 20 is opened, the supernatant two for obtaining is centrifuged and is first passed through in fluid reservoir 2 71, open fluid reservoir 2 71 The triple valve of liquid outlet, fluid reservoir 2 71 is connected with the feed tube 4 22 of reactor 3 19, supernatant two is refilled instead In answering kettle 3 19, it is centrifuged subsequently into centrifuge 3 20 again, after being repeatedly centrifuged, switches the three of 2 71 liquid outlet of fluid reservoir Port valve opening, fluid reservoir 2 71 is connected with reactor 4 26, and supernatant two is passed through in the filter bag 79 of reactor 4 26；Open The solid outlet of centrifuge 3 20, sediment two are fallen in washer 2 21, open the shower 62 in washer 2 21, spray Shower pipe 62 obtains protein to two Air washer of sediment, after flushing；The discharging opening of washer 2 21 is opened, protein falls into In conveying auger 4 74, the motor of conveying auger 4 74 is opened, while the electric heating piece 39 of conveying auger 4 74 is powered, electric heating piece The inside of heated transportation auger 4 74 after 39 energizations, protein are oven-dried and are transported to protein Material collecting box for harvesting 75.

5) water-soluble dietary fiber is extracted：The discharging tube 81 of the upper reative cell 77 of reactor 4 26 is opened, in filter bag 79 After water and small-molecule substance are discharged through filter bag 79, the discharge nozzle 5 80 of filter bag 79, the trapped fluid in filter bag 79 are opened The lower reative cell 78 of reactor 4 26 is flowed into, alcohol tank 32 is opened, in downward reative cell 78, is added ethanol solution, stood under room temperature After 20h, the discharge nozzle 4 31 of lower reative cell 78 is opened, and the mixture of lower reative cell 78 is passed through centrifuge 4 27 from discharge nozzle 4 31 It is centrifuged, centrifugal rotational speed is 5000r/min, and centrifugation time is 25min, centrifugation obtains supernatant three and sediment three；Centrifugation The supernatant three for obtaining first is passed through in fluid reservoir 3 82, opens the triple valve of 3 82 liquid outlet of fluid reservoir, by fluid reservoir 3 82 with The feed tube 6 29 of reactor 4 26 is connected, and supernatant three is refilled in reactor 4 26, subsequently into centrifuge 4 27 It is centrifuged again, after being repeatedly centrifuged, switches the triple valve opening of 3 82 liquid outlet of fluid reservoir, by fluid reservoir 3 82 and waste liquid pool Supernatant three is entered waste liquid pool 84 by 84 connections；The solid outlet of centrifuge 4 27 is opened, sediment three falls into washer three In 28, the shower 62 in washer 3 28 is opened, shower 62 obtains water-soluble to three Air washer of sediment, after flushing Dietary fiber；The discharging opening of washer 3 28 is opened, water-soluble dietary fiber is fallen in conveying auger 5 86, open conveying auger 5 86 motor, while the electric heating piece 39 of conveying auger 5 86 is powered, heated transportation auger 5 86 after the energization of electric heating piece 39 Inside, water-soluble dietary fiber are oven-dried and are transported to water-soluble dietary fiber Material collecting box for harvesting 87.

Embodiment two

1) bean dregs pre-treatment：Fresh wet okara is put in pulverizer 1, wet bean dregs are ground into okara powder by pulverizer 1 Afterwards, the outlet valve of 1 discharge outlet of pulverizer is opened, the top of the discharging opening of pulverizer 1 is provided with 70 eye mesh screens 40, and okara powder is sieved Fall into after net 40 in conveying auger 1, start the motor of conveying auger 1, Motor drive screw-conveyer-shaft 37 is rotated, screw-conveyer-shaft 37 will Okara powder is sent in feed pipe 1, while screw-conveyer-shaft 37 conveys okara powder, the electric heating piece 39 in conveying auger 1 is led to Electricity, electric heating piece 39 be powered after the inside of conveying auger 1 is heated to into 70 DEG C, okara powder is oven-dried, the okara powder after drying from After feed pipe 1 falls into reactor 1, motor stalls, electric heating piece 39 remain powered on heating；

2) extract degreasing：Extraction flow container 8 is opened, digestion agent is added in reactor 1, digestion agent used is n-hexane, Start the motor of the rabbling mechanism 47 of reactor 1, Motor drive shaft is rotated, and shaft is carried out to okara powder and digestion agent Stirring, the heat in conveying auger 1 are passed through in reactor 1 by feed pipe 1, and one 3 internal temperature of reactor is maintained at 55 DEG C, extract 5h after, open reactor 1 discharge nozzle 1, the mixture in reactor 1 from discharge nozzle 1 be passed through from Scheming 1 is centrifuged, and centrifugal rotational speed is 6000r/min, and centrifugation time is 30min, and bean dregs grouts are obtained after centrifugation；Open centrifugation The solid outlet of machine 1, bean dregs grouts are fallen in conveying auger 2 16, open the motor of conveying auger 2 16, while will be defeated The electric heating piece 39 of auger 2 16 is sent to be powered, the inside of conveying auger 2 16 is heated to 70 DEG C after being powered by electric heating piece 39, bean dregs cake The dregs of rice are oven-dried and dissipate into defatted bean-dregs powder, and defatted bean-dregs pruinescence is delivered in reactor 29；

3) water insoluble dietary fiber is extracted：Alkali liquid tank 18 is opened, 1mol/L NaOH solutions is added in reactor 29, Be then turned on buffering flow container 17, buffer solution is added in reactor 29, pH value of solution is adjusted to 9；Open pressure fan 41 and jet Gas is sprayed into and carry out bubbling in mixed liquor to promote mixing by pipe 53, air jet pipe 53；50 assisted extraction of supersonic generator is opened, Ultrasonic extraction parameter is：Ultrasonic power 600w, ultrasonic wave added time are 50min, after extracting 1.5h, open going out for reactor 29 Expects pipe 2 15, the mixture in reactor 29 are passed through centrifuge 2 10 from discharge nozzle 2 15 and are centrifuged, and centrifugal rotational speed is 7000r/min, centrifugation time are 30min, and centrifugation obtains supernatant one and sediment one；The liquid outlet of centrifuge 2 10 is opened, The supernatant one that centrifugation is obtained first is passed through in fluid reservoir 1, opens the triple valve of one 56 liquid outlet of fluid reservoir, by fluid reservoir one 56 are connected with the feed tube 8 57 of reactor 29, supernatant one are refilled in reactor 29, subsequently into centrifuge two 10 are centrifuged again, after being repeatedly centrifuged, switch the triple valve opening of one 56 liquid outlet of fluid reservoir, by fluid reservoir 1 and reaction Kettle 3 19 is connected, and supernatant one is passed through in reactor 3 19；The solid outlet of centrifuge 2 10 is opened, sediment one falls into In washer 1, open washer 1 in shower 62, shower 62 to one Air washer of sediment, after flushing Obtain water insoluble dietary fiber；The discharging opening of washer 1 is opened, water insoluble dietary fiber is fallen in conveying auger 3 64, The motor of conveying auger 3 64 is opened, while the electric heating piece 39 of conveying auger 3 64 is powered, electric heating piece 39 heats defeated after being powered The inside of auger 3 64, water insoluble dietary fiber is sent to be oven-dried and be transported to water insoluble dietary fiber Material collecting box for harvesting 67.

4) Protein Extraction：Open acid solution tank 25, add acid solution in reactor 3 19, by pH value of solution adjust to 4.5, start the motor of the rabbling mechanism 47 of reactor 3 19, Motor drive shaft is rotated, and shaft is intermittent to mixed liquor Stirring, after extracting 5h, opens the discharge nozzle 2 15 of reactor 3 19, and the mixture in reactor 3 19 is passed through from discharge nozzle 3 24 Centrifuge 3 20 is centrifuged, and centrifugal rotational speed is 7000r/min, and centrifugation time is 30min, and centrifugation obtains supernatant two and precipitation Thing two；The liquid outlet of centrifuge 3 20 is opened, the supernatant two for obtaining is centrifuged and is first passed through in fluid reservoir 2 71, open fluid reservoir two The triple valve of 71 liquid outlets, fluid reservoir 2 71 is connected with the feed tube 4 22 of reactor 3 19, supernatant two is refilled In reactor 3 19, it is centrifuged subsequently into centrifuge 3 20 again, after being repeatedly centrifuged, switches 2 71 liquid outlet of fluid reservoir Triple valve opening, fluid reservoir 2 71 is connected with reactor 4 26, and supernatant two is passed through in the filter bag 79 of reactor 4 26；Open The solid outlet of centrifuge 3 20 is opened, sediment two is fallen in washer 2 21, opens the shower 62 in washer 2 21, Shower 62 obtains protein to two Air washer of sediment, after flushing；The discharging opening of washer 2 21 is opened, protein falls Enter in conveying auger 4 74, open the motor of conveying auger 4 74, while the electric heating piece 39 of conveying auger 4 74 is powered, electric heating The inside of heated transportation auger 4 74 after the energization of piece 39, protein are oven-dried and are transported to protein Material collecting box for harvesting 75.

5) water-soluble dietary fiber is extracted：The discharging tube 81 of the upper reative cell 77 of reactor 4 26 is opened, in filter bag 79 After water and small-molecule substance are discharged through filter bag 79, the discharge nozzle 5 80 of filter bag 79, the trapped fluid in filter bag 79 are opened The lower reative cell 78 of reactor 4 26 is flowed into, alcohol tank 32 is opened, in downward reative cell 78, is added ethanol solution, stood under room temperature After 22h, the discharge nozzle 4 31 of lower reative cell 78 is opened, and the mixture of lower reative cell 78 is passed through centrifuge 4 27 from discharge nozzle 4 31 It is centrifuged, centrifugal rotational speed is 7000r/min, and centrifugation time is 20min, centrifugation obtains supernatant three and sediment three；Centrifugation The supernatant three for obtaining first is passed through in fluid reservoir 3 82, opens the triple valve of 3 82 liquid outlet of fluid reservoir, by fluid reservoir 3 82 with The feed tube 6 29 of reactor 4 26 is connected, and supernatant three is refilled in reactor 4 26, subsequently into centrifuge 4 27 It is centrifuged again, after being repeatedly centrifuged, switches the triple valve opening of 3 82 liquid outlet of fluid reservoir, by fluid reservoir 3 82 and waste liquid pool Supernatant three is entered waste liquid pool 84 by 84 connections；The solid outlet of centrifuge 4 27 is opened, sediment three falls into washer three In 28, the shower 62 in washer 3 28 is opened, shower 62 obtains water-soluble to three Air washer of sediment, after flushing Dietary fiber；The discharging opening of washer 3 28 is opened, water-soluble dietary fiber is fallen in conveying auger 5 86, open conveying auger 5 86 motor, while the electric heating piece 39 of conveying auger 5 86 is powered, heated transportation auger 5 86 after the energization of electric heating piece 39 Inside, water-soluble dietary fiber are oven-dried and are transported to water-soluble dietary fiber Material collecting box for harvesting 87.

Embodiment three

1) bean dregs pre-treatment：Fresh wet okara is put in pulverizer 1, wet bean dregs are ground into okara powder by pulverizer 1 Afterwards, the outlet valve of 1 discharge outlet of pulverizer is opened, the top of the discharging opening of pulverizer 1 is provided with 80 eye mesh screens 40, and okara powder is sieved Fall into after net 40 in conveying auger 1, start the motor of conveying auger 1, Motor drive screw-conveyer-shaft 37 is rotated, screw-conveyer-shaft 37 will Okara powder is sent in feed pipe 1, while screw-conveyer-shaft 37 conveys okara powder, the electric heating piece 39 in conveying auger 1 is led to Electricity, electric heating piece 39 be powered after the inside of conveying auger 1 is heated to into 80 DEG C, okara powder is oven-dried, the okara powder after drying from After feed pipe 1 falls into reactor 1, motor stalls, electric heating piece 39 remain powered on heating；

2) extract degreasing：Extraction flow container 8 is opened, digestion agent is added in reactor 1, digestion agent used is n-hexane, Start the motor of the rabbling mechanism 47 of reactor 1, Motor drive shaft is rotated, and shaft is carried out to okara powder and digestion agent Stirring, the heat in conveying auger 1 are passed through in reactor 1 by feed pipe 1, and one 3 internal temperature of reactor is maintained at 65 DEG C, extract 4h after, open reactor 1 discharge nozzle 1, the mixture in reactor 1 from discharge nozzle 1 be passed through from Scheming 1 is centrifuged, and centrifugal rotational speed is 8000r/min, and centrifugation time is 25min, and bean dregs grouts are obtained after centrifugation；Open centrifugation The solid outlet of machine 1, bean dregs grouts are fallen in conveying auger 2 16, open the motor of conveying auger 2 16, while will be defeated The electric heating piece 39 of auger 2 16 is sent to be powered, the inside of conveying auger 2 16 is heated to 85 DEG C after being powered by electric heating piece 39, bean dregs cake The dregs of rice are oven-dried and dissipate into defatted bean-dregs powder, and defatted bean-dregs pruinescence is delivered in reactor 29；

3) water insoluble dietary fiber is extracted：Alkali liquid tank 18 is opened, 1mol/L NaOH solutions is added in reactor 29, Be then turned on buffering flow container 17, buffer solution is added in reactor 29, pH value of solution is adjusted to 10；Open pressure fan 41 and spray Gas is sprayed into and carry out bubbling in mixed liquor to promote mixing by tracheae 53, air jet pipe 53；Open the auxiliary of supersonic generator 50 to carry Take, ultrasonic extraction parameter is：Ultrasonic power 800w, ultrasonic wave added time are 40min, after extracting 1h, open going out for reactor 29 Expects pipe 2 15, the mixture in reactor 29 are passed through centrifuge 2 10 from discharge nozzle 2 15 and are centrifuged, and centrifugal rotational speed is 9000r/min, centrifugation time are 20min, and centrifugation obtains supernatant one and sediment one；The liquid outlet of centrifuge 2 10 is opened, The supernatant one that centrifugation is obtained first is passed through in fluid reservoir 1, opens the triple valve of one 56 liquid outlet of fluid reservoir, by fluid reservoir one 56 are connected with the feed tube 8 57 of reactor 29, supernatant one are refilled in reactor 29, subsequently into centrifuge two 10 are centrifuged again, after being repeatedly centrifuged, switch the triple valve opening of one 56 liquid outlet of fluid reservoir, by fluid reservoir 1 and reaction Kettle 3 19 is connected, and supernatant one is passed through in reactor 3 19；The solid outlet of centrifuge 2 10 is opened, sediment one falls into In washer 1, open washer 1 in shower 62, shower 62 to one Air washer of sediment, after flushing Obtain water insoluble dietary fiber；The discharging opening of washer 1 is opened, water insoluble dietary fiber is fallen in conveying auger 3 64, The motor of conveying auger 3 64 is opened, while the electric heating piece 39 of conveying auger 3 64 is powered, electric heating piece 39 heats defeated after being powered The inside of auger 3 64, water insoluble dietary fiber is sent to be oven-dried and be transported to water insoluble dietary fiber Material collecting box for harvesting 67.

4) Protein Extraction：Acid solution tank 25 is opened, and acid solution is added in reactor 3 19, pH value of solution is adjusted to 5, Start the motor of the rabbling mechanism 47 of reactor 3 19, Motor drive shaft is rotated, shaft is intermittent to mixed liquor to be stirred, After extracting 6h, the discharge nozzle 2 15 of reactor 3 19 is opened, and the mixture in reactor 3 19 is passed through centrifugation from discharge nozzle 3 24 Machine 3 20 is centrifuged, and centrifugal rotational speed is 9000r/min, and centrifugation time is 20min, and centrifugation obtains supernatant two and sediment Two；The liquid outlet of centrifuge 3 20 is opened, the supernatant two for obtaining is centrifuged and is first passed through in fluid reservoir 2 71, open fluid reservoir 2 71 The triple valve of liquid outlet, fluid reservoir 2 71 is connected with the feed tube 4 22 of reactor 3 19, supernatant two is refilled instead In answering kettle 3 19, it is centrifuged subsequently into centrifuge 3 20 again, after being repeatedly centrifuged, switches the three of 2 71 liquid outlet of fluid reservoir Port valve opening, fluid reservoir 2 71 is connected with reactor 4 26, and supernatant two is passed through in the filter bag 79 of reactor 4 26；Open The solid outlet of centrifuge 3 20, sediment two are fallen in washer 2 21, open the shower 62 in washer 2 21, spray Shower pipe 62 obtains protein to two Air washer of sediment, after flushing；The discharging opening of washer 2 21 is opened, protein falls into In conveying auger 4 74, the motor of conveying auger 4 74 is opened, while the electric heating piece 39 of conveying auger 4 74 is powered, electric heating piece The inside of heated transportation auger 4 74 after 39 energizations, protein are oven-dried and are transported to protein Material collecting box for harvesting 75.

5) water-soluble dietary fiber is extracted：The discharging tube 81 of the upper reative cell 77 of reactor 4 26 is opened, in filter bag 79 After water and small-molecule substance are discharged through filter bag 79, the discharge nozzle 5 80 of filter bag 79, the trapped fluid in filter bag 79 are opened The lower reative cell 78 of reactor 4 26 is flowed into, alcohol tank 32 is opened, in downward reative cell 78, is added ethanol solution, stood under room temperature After 24h, the discharge nozzle 4 31 of lower reative cell 78 is opened, and the mixture of lower reative cell 78 is passed through centrifuge 4 27 from discharge nozzle 4 31 It is centrifuged, centrifugal rotational speed is 9000r/min, and centrifugation time is 10min, centrifugation obtains supernatant three and sediment three；Centrifugation The supernatant three for obtaining first is passed through in fluid reservoir 3 82, opens the triple valve of 3 82 liquid outlet of fluid reservoir, by fluid reservoir 3 82 with The feed tube 6 29 of reactor 4 26 is connected, and supernatant three is refilled in reactor 4 26, subsequently into centrifuge 4 27 It is centrifuged again, after being repeatedly centrifuged, switches the triple valve opening of 3 82 liquid outlet of fluid reservoir, by fluid reservoir 3 82 and waste liquid pool Supernatant three is entered waste liquid pool 84 by 84 connections；The solid outlet of centrifuge 4 27 is opened, sediment three falls into washer three In 28, the shower 62 in washer 3 28 is opened, shower 62 obtains water-soluble to three Air washer of sediment, after flushing Dietary fiber；The discharging opening of washer 3 28 is opened, water-soluble dietary fiber is fallen in conveying auger 5 86, open conveying auger 5 86 motor, while the electric heating piece 39 of conveying auger 5 86 is powered, heated transportation auger 5 86 after the energization of electric heating piece 39 Inside, water-soluble dietary fiber are oven-dried and are transported to water-soluble dietary fiber Material collecting box for harvesting 87.

It is contemplated that dietary fiber in bean dregs and protein are carried out step by step arithmetic by research chemical acid alkali partition method, to which Main technologic parameters are optimized, while bean dregs SDF, bean dregs IDF and protein are obtained, and the bean dregs dietary fiber to extracting Initial analysis is carried out with the characteristic of protein, the comprehensive utilization and deep development for bean dregs is utilized and provide certain reference frame, Exploitation for dietary fiber and vegetable protein provide new way, not only realize recycling for discarded bean dregs, improve product Added value, widens range of application, for promoting bean product processing enterprises to increase income, food processing enterprises extra earning and promotes local economy Development have very important theory significance and realistic meaning.

Present invention additionally comprises determining the step of water insoluble dietary fiber, protein and water-soluble dietary fiber characteristic respectively Suddenly, specially：

1. the measure of dietary fiber retention ability：Weigh appropriate above-mentioned bean dregs water insoluble dietary fiber, dry bean dregs to be put into In graduated cylinder, 20 DEG C of water are subsequently adding, fiber is placed on after draining on filter paper by abundant submergence saturation fiber 1h, being retained in filter paper On combine the fibre migration of water and weigh in a surface plate, obtain wet dietary fiber, the quality of wet bean dregs；

2. the measure of dietary fiber swellability：Take appropriate bean dregs water insoluble dietary fiber or dry bean dregs are put into graduated cylinder In, enough 20 DEG C water is subsequently adding to certain volume, read volume after adding water, shake up and 24h is stood at 20 DEG C, then read Cumulative volume, draws the swellability of sample；

3. dietary fiber is to the adsorbing measure of grease：Weigh appropriate above-mentioned bean dregs water-soluble dietary fiber, bean dregs Water insoluble dietary fiber, dry bean dregs, are put in centrifuge tube, add edible peanut oil 24g, 37 DEG C of standing 1h, are put into centrifuge In, 20min is centrifuged with 4000r/min, is removed upper strata oil, is blotted the peanut oil dissociated in residue, the bean dregs after oil suction of weighing to obtain Water-soluble dietary fiber, bean dregs water insoluble dietary fiber, the quality of dry bean dregs, calculate oil absorption；

4. dietary fiber is to the adsorbing measure of cholesterol：The yolk of Fresh Egg is taken, it is abundant with 9 times of quality distilled water Emulsion is beaten into, appropriate bean dregs water-soluble dietary fiber, bean dregs water insoluble dietary fiber, dry bean dregs is weighed and is put into 200mL Triangular flask in, blank group is added without dietary fiber or dry bean dregs, adds 50g dilution egg yolk liquids, stirs, regulation system pH It is worth to 7.0, is placed in water bath chader, then 37 DEG C of vibration 2h under 4000r/min is centrifuged 15min, draws 0.04mL supernatants Liquid, surveys absorbance at the 550nm wavelength using o-phthalaldehyde method, is calculated before and after absorption in egg yolk liquid according to calibration curve method Cholesterol level；

5. dietary fiber is to the adsorbing measure of sodium taurocholate：Accurately weigh appropriate sodium taurocholate and add 100mL The NaCl solution of 0.15mol/L, adds appropriate bean dregs water-soluble dietary fiber, bean dregs water insoluble dietary fiber, dry beans Slag, stirs, 37 DEG C of vibration 2h of water-bath, and 20min is centrifuged with 4000r/min then, after being cooled to room temperature, 1mL is accurately measured Supernatant, while doing blank test, determines its absorbance, before and after calculating absorption according to calibration curve method at wavelength 620nm The content of sodium taurocholate in solution；

6. protein foaming characteristic and foaming stability are determined：Weigh the above-mentioned protein examples of 3g and add 50mL pure water, adjust pH Be worth to after 7.0 and stir 10min, then plus pure water to 100mL as test fluid, 3min is homogenized under 1000r/min speed, is remembered immediately The foam volume that record top occurs, represents foaming characteristic with this, after standing 30min, records its foam volume again, calculates foaming Property and foaming stability；

7. the measure of protein emulsibility and emulsion stability：2.5g sample dispersions are weighed in 50mL water, plus 50mL colors Oil being drawn, 1min being homogenized under 2000r/min speed, 5min is centrifuged with 1200r/min in centrifuge, emulsion layer is recorded respectively Volume and liquid cumulative volume, calculate emulsibility, emulsification sample be placed in 80 DEG C of water-baths and heat 30min, then at originally 15min is cooled down in water, 5min is centrifuged with 1200r/min in centrifuge, record remains in that the volume of emulsified state, calculates Emulsion stability；

8. the measure of protein retentiveness：Weigh appropriate Protein from Soy Bean Dregs, the sample of soybean protein isolate is placed in centrifugation Guan Zhong, connecting leg are weighed, and add appropriate distilled water (to make sample that moisture can just be separated out after centrifugation, divide if no moisture is separated out It is repeatedly a small amount of to add distilled water until just having elutriation to go out), it is in pulpous state but anhydrous precipitation sample to be stirred evenly to sample with glass bar Till, glass bar is dried on tube wall, sample is put in centrifuge, and 10min is centrifuged with 2000r/min, supernatant is removed, and is claimed Weight, if no supernatant, should add water and stir evenly and be centrifuged again, to having a small amount of supernatant after being centrifuged, calculate retention ability；

9. the measure of protein holding oiliness：The sample for accurately weighing appropriate Protein from Soy Bean Dregs or soybean protein isolate is placed in In centrifuge tube, connecting leg is weighed, and adds appropriate peanut oil (to make sample that oil can just be separated out after centrifugation, divide if oil-free is separated out It is repeatedly a small amount of to add peanut oil until just there is oily precipitation), sample is stirred evenly to sample is in pulpous state but oil-free is separated out with glass bar Till, glass bar is dried on tube wall, sample is put in centrifuge, and 10min is centrifuged with 2000r/min, sample upper strata is gone to Oil, weighs.If upper strata does not have oily precipitation, should add after peanut oil is stirred evenly and be centrifuged again, to after being centrifuged have upper strata to have a small amount of oil Till precipitation, calculate and hold oily power.

The present invention also provides a kind of system for extracting dietary fiber and protein, is applied to said extracted method, such as Fig. 2 extremely Shown in Fig. 6, including the pretreating device, degreasing plant, dietary fiber extraction apparatus one, Protein Extraction device being sequentially connected and Dietary fiber extraction apparatus two；Pretreating device includes pulverizer 1 and conveying auger 1, the discharging opening connection conveying of pulverizer 1 The charging aperture of auger 1；Degreasing plant includes reactor 1 and centrifuge 1, and reactor 1 has feed pipe one 5, feed liquor Pipe 1 and discharge nozzle 1, feed tube 1 are connected with extraction flow container 8, contain leaching liquor in extraction flow container 8, conveying auger 1 The feed pipe 1 of discharging opening coupled reaction kettle 1, the discharge nozzle 1 of reactor 1 connect the charging aperture of centrifuge 1；Meals Fiber extraction element one includes reactor 29, centrifuge 2 10 and washer 1, and reactor 29 has feed pipe 2 12, enters Liquid pipe 2 13, feed tube 3 14 and discharge nozzle 2 15, the solid outlet of centrifuge 1 pass through conveying auger 2 16 and reactor 29 feed pipe 2 12 is connected, and feed tube 2 13 is connected with buffering flow container 17, contains buffer solution, feed tube in buffering flow container 17 3 14 are connected with alkali liquid tank 18, and alkali liquid tank 18 contains NaOH solution, the connection centrifuge 2 10 of discharge nozzle 2 15 of reactor 29 Charging aperture, the solid outlet of centrifuge 2 10 connect the charging aperture of washer 1；Protein Extraction device includes reactor 3 19, centrifuge 3 20 and washer 2 21, reactor 3 19 have feed tube 4 22, feed tube 5 23 and discharge nozzle 3 24, The liquid outlet of centrifuge 2 10 is connected with the feed tube 4 22 of reactor 3 19 by pipeline, feed tube 5 23 and 25 phase of acid solution tank Even, acid solution is contained in acid solution tank 25, the discharge nozzle 3 24 of reactor 3 19 connects the charging aperture of centrifuge 3 20, centrifuge 3 20 solid outlet connects the charging aperture of washer 2 21；Dietary fiber extraction apparatus two include reactor 4 26, centrifugation Machine 4 27 and washer 3 28, reactor 4 26 have feed tube 6 29, feed tube 7 30 and discharge nozzle 4 31, centrifuge 3 20 Liquid outlet be connected with the feed tube 6 29 of reactor 4 26 by pipeline, feed tube 7 30 is connected with alcohol tank 32, in alcohol tank 32 Ethanol is contained, the discharge nozzle 4 31 of reactor 4 26 connects the charging aperture of centrifuge 4 27, the solid outlet of centrifuge 4 27 The charging aperture of connection washer 3 28.

The system can be used for extracting the dietary fiber and protein in bean dregs, and wet bean dregs are put in pretreating device, Wet bean dregs are smashed into okara powder by pretreating device, and are dried, and the okara powder after drying is carried out in being admitted to degreasing plant Degreasing obtains defatted bean-dregs powder, and defatted bean-dregs powder is put in dietary fiber extraction apparatus one, after adding alkaline reaction, obtains Clear liquid one and sediment one, sediment one are water insoluble dietary fiber, and supernatant one is passed through in Protein Extraction device, plus After entering acid liquid reaction, supernatant two and sediment two are obtained, sediment two is protein, supernatant two is passed through dietary fiber and is carried Device two is taken, ethanol is added, thing three is precipitated, sediment three is water-soluble dietary fiber.

Specifically, the discharging opening of pulverizer 1 is located at the bottom of pulverizer 1, and the discharging opening is provided with outlet valve；Conveying auger One 2 include base 33, charging pipeline section 34 and feeding pipeline section 35, and feeding pipeline section 35 is rotatably connected at base 33 by bearing, Charging pipeline section 34 is connected with feeding pipeline section 35 and is rotatably connected by flange bearing, and charging pipeline section 34 is vertically situated at powder The underface of broken machine 1, feeds the charging aperture of the upper end opening for conveying auger 1 of pipeline section 34, feeds the upper end of pipeline section 34 It is connected with the outlet valve of pulverizer 1, feeding pipeline section 35 tilts to reactor 1, the upper end of feeding pipeline section 35 from bottom to up The discharging opening being open as conveying auger 1, the upper end of feeding pipeline section 35 pass through flange phase with the feed pipe 1 of reactor 1 Even；Feeding pipeline section 35 includes delivery pipe body 36, is provided with screw-conveyer-shaft 37 in delivery pipe body 36, and screw-conveyer-shaft 37 is controlled by motor, conveying 36 outer concentric gap of body is arranged with thermal sleeve 38, and heating chamber, heating chamber are formed between delivery pipe body 36 and thermal sleeve 38 Interior compartment of terrain is provided with the electric heating piece 39 being sequentially connected electrically, and electric heating piece 39 is attached to the outer surface of delivery pipe body 36.

Preferably, screen cloth 40 is removably installed above the discharging opening of pulverizer 1；Feeding pipeline section 35 has air inlet, Air inlet is connected with pressure fan 41.

Specifically, reactor 1 includes reaction kettle body 1 and lid 1, and the lid of lid 1 is located at reaction kettle body 1 On, feed pipe 1 and feed tube 1 are fixedly arranged on lid 1, and connect with reaction kettle body 1 respectively, and discharge nozzle 1 is located at The bottom of reaction kettle body 1；Temperature sensor 44, the connection temperature indicator of temperature sensor 44 are provided with reaction kettle body 1 45, temperature indicator 45 is installed in the outer surface of reaction kettle body 1；Blast pipe 5346, blast pipe are additionally provided with lid 1 Relief valve is connected with 5346.Reactor 1 also has rabbling mechanism 47, and rabbling mechanism 47 includes being installed on lid 1 Motor and the shaft in reaction kettle body 1 is stretched into, on shaft, there are multiple stirring vanes, shaft is in bending, shaft Upper end be connected by the output shaft transmission of shaft coupling and motor；Conveying auger 2 16 is identical with the structure of conveying auger 1.

Reactor 29 includes reaction kettle body 2 48 and lid 2 49, and the lid of lid 2 49 is located on reaction kettle body 2 48, feeds Pipe 2 12, feed tube 2 13 and feed tube 3 14 are fixedly arranged on lid 2 49 respectively, and discharge nozzle 2 15 is located at reaction kettle body 2 48 Bottom, the discharging opening of conveying auger 2 16 are connected with 2 12 flange of feed pipe of reactor 29；Reaction kettle body 2 48 is externally provided with super Sonic generator 50, the connection ultrasonic probe 51 of supersonic generator 50, ultrasonic probe 51 are in reaction kettle body 2 48, instead Answer and in kettle 2 48, be additionally provided with temperature sensor 44, the connection temperature indicator 45 of temperature sensor 44, temperature indicator 45 are fixed In the outer surface of reaction kettle body 2 48.

Air inlet pipe 52 is additionally provided with reaction kettle body 2 48, the outer end of air inlet pipe 52 is in outside reaction kettle body 2 48, air inlet pipe In reaction kettle body 2 48, the outer end of air inlet pipe 52 is connected with intake valve, and intake valve passes through pipeline and pressure fan for 52 the inner 41 or the relief valve of reactor 1 be connected, the inner connection air jet pipe 53 of air inlet pipe 52, air jet pipe 53 is in bending, jet The side wall of pipe 53 and reaction kettle body 2 48 is mutually fixed, and adjacent to the bottom of reaction kettle body 2 48, the both sides up and down of air jet pipe 53 It is respectively provided with row's nozzle 54；Liquid flowing tube 1 is additionally provided with reaction kettle body 2 48；Dietary fiber extraction apparatus one also include liquid storage Tank 1, fluid reservoir 1 have inlet and a liquid outlet, fluid reservoir 1 be arranged on centrifuge 2 10 and reactor 3 19 it Between, feed tube 8 57 is additionally provided with lid 2 49, the liquid outlet of centrifuge 2 10 is connected with the inlet of fluid reservoir 1, liquid storage The liquid outlet of tank 1 is provided with liquid pump and triple valve 1, and the one outlet of the triple valve 1 passes through pipeline coupled reaction kettle two 9 feed tube 8 57, another feed tube 4 22 of outlet by pipeline coupled reaction kettle 3 19 of the triple valve 1；Rinse One 11 introversion of machine is tiltedly provided with filter membrane 1, and filter membrane 1 is detachably secured to the inwall of washer 1 by support, filter It is filtering area 60 below film 1, is spraying zone 61 above filter membrane 1, the inwall of spraying zone 61 is installed with multiple showers 62, Shower 62 is connected with deionization water pot 63, and the charging aperture of washer 1 is opened in the upper end of spraying zone 61, washer one 11 discharging opening is opened on the side wall of spraying zone 61, and the bottom of filtering area 60 offers liquid outlet；The discharging of washer 1 The charging aperture of mouth connection conveying auger 3 64, conveying auger 3 64 include delivery pipe body 2 65, are provided with strand in delivery pipe body 2 65 Imperial axle 37, screw-conveyer-shaft 37 are controlled by motor, and 2 65 outer concentric gap of delivery pipe body is arranged with thermal sleeve 2 66, delivery pipe body two Heating chamber is formed between 65 and thermal sleeve 2 66, compartment of terrain is provided with the electric heating piece 39 being sequentially connected electrically, electric heating piece in heating chamber 39 outer surfaces for being attached to delivery pipe body 2 65, the discharging opening connection water insoluble dietary fiber Material collecting box for harvesting of conveying auger 3 64 67。

Reactor 3 19 includes reaction kettle body 3 68 and lid 3 69, and the lid of lid 3 69 is located on reaction kettle body 3 68, enters Liquid pipe 4 22 and feed tube 5 23 are fixedly arranged on lid 3 69, and connect with reaction kettle body 3 68 respectively, the side of reaction kettle body 3 68 Wall is provided with liquid flowing tube 2 70；Located at the bottom of reaction kettle body 3 68, the lower section of reaction kettle body 3 68 is centrifuge to discharge nozzle 3 24 3 20, Protein Extraction device also includes fluid reservoir 2 71, and fluid reservoir 2 71 has inlet and liquid outlet, and fluid reservoir 2 71 sets Put between centrifuge 3 20 and reactor 4 26, the liquid outlet of centrifuge 3 20 is connected with the inlet of fluid reservoir 2 71, store up The liquid outlet of flow container 2 71 is provided with liquid pump and triple valve 2 72, and the one outlet of triple valve 2 72 passes through pipeline coupled reaction kettle three 19 feed tube 4 22, another feed tube 6 29 of outlet by pipeline coupled reaction kettle 4 26 of triple valve 2 72；Rinse 2 21 introversion of machine is tiltedly provided with filter membrane 2 73, and filter membrane 2 73 is detachably secured to the inwall of washer 2 21 by support, filter It is filtering area 60 below film 2 73, is spraying zone 61 above filter membrane 2 73, the inwall of spraying zone 61 is installed with multiple showers 62, Shower 62 is connected with deionization water pot 63, and the charging aperture of washer 2 21 is opened in the upper end of spraying zone 61, washer two 21 discharging opening is opened on the side wall of spraying zone 61, and the bottom of filtering area 60 offers liquid outlet；The discharging of washer 2 21 The charging aperture of mouth connection conveying auger 4 74, conveying auger 4 74 include delivery pipe body 2 65, are provided with strand in delivery pipe body 2 65 Imperial axle 37, screw-conveyer-shaft 37 are controlled by motor, and 2 65 outer concentric gap of delivery pipe body is arranged with thermal sleeve 2 66, delivery pipe body two Heating chamber is formed between 65 and thermal sleeve 2 66, compartment of terrain is provided with the electric heating piece 39 being sequentially connected electrically, electric heating piece in heating chamber 39 outer surfaces for being attached to delivery pipe body 2 65, the discharging opening connection protein Material collecting box for harvesting 75 of conveying auger 4 74.

Reactor 3 19 also includes rabbling mechanism 47, and rabbling mechanism 47 includes the motor being installed on lid 3 69 and stretches into Shaft in reaction kettle body 3 68, the upper end for having multiple stirring vanes, shaft on shaft pass through shaft coupling and motor Output shaft transmission be connected.

A fixed dividing plate 76 in reactor 4 26, dividing plate 76 separate reactor 4 26 for upper reative cell 77 and lower reative cell 78, a filter bag 79 is provided with upper reative cell 77, filter bag 79 is made up of filter membrane three, and 79 upper opening of filter bag, feed tube 6 29 are fixed At the top of reactor 4 26, feed tube 6 29 penetrates the upper opening of filter bag 79, and the bottom of filter bag 79 connects discharge nozzle 5 80, Discharge nozzle 5 80 wears dividing plate 76 and stretches into lower reative cell 78, and the side wall of upper reative cell 77 is connected with discharging tube 81, discharging tube 81 It is connected with liquid pump；Feed tube 7 30 is installed in the side wall of lower reative cell 78, and discharge nozzle 4 31 is located at the bottom of lower reative cell 78；Meals Food fiber extraction element two also includes fluid reservoir 3 82, and the liquid outlet of centrifuge 4 27 is connected with the inlet of fluid reservoir 3 82, The liquid outlet of fluid reservoir 3 82 is provided with liquid pump and triple valve 3 83, and the one outlet of triple valve 3 83 is connected by pipeline reacts The feed tube 6 29 of room 77, another outlet of triple valve 3 83 connect waste liquid pool 84 by pipeline；Washer 3 28 is tilted Be provided with filter membrane 4 85, filter membrane 4 85 is detachably secured to the inwall of washer 3 28, below filter membrane 4 85 is by support Filtering area 60, is spraying zone 61 above filter membrane 4 85, and the inwall of spraying zone 61 is installed with multiple showers 62, shower 62 with go Ion water pot 63 is connected, and the charging aperture of washer 3 28 is opened in the upper end of spraying zone 61, and the discharging opening of washer 3 28 is opened It is located on the side wall of spraying zone 61, the bottom of filtering area 60 offers liquid outlet；The discharging opening connection conveying of washer 3 28 is twisted The charging aperture of dragon 5 86, conveying auger 5 86 include delivery pipe body 2 65, are provided with screw-conveyer-shaft 37, screw-conveyer-shaft in delivery pipe body 2 65 37 are controlled by motor, and 2 65 outer concentric gap of delivery pipe body is arranged with thermal sleeve 2 66, delivery pipe body 2 65 and thermal sleeve Heating chamber is formed between 2 66, compartment of terrain is provided with the electric heating piece 39 being sequentially connected electrically in heating chamber, electric heating piece 39 is attached to conveying The outer surface of body 2 65, the discharging opening connection water-soluble dietary fiber Material collecting box for harvesting 87 of conveying auger 5 86.

Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Although more having used pulverizer 1 herein；Conveying auger 1；Reactor 1；Centrifuge 1；Feed pipe one 5；Feed tube 1；Discharge nozzle 1；Extraction flow container 8；Reactor 29；Centrifuge 2 10；Washer 1；Feed pipe 2 12；Enter Liquid pipe 2 13；Feed tube 3 14；Discharge nozzle 2 15；Conveying auger 2 16；Buffering flow container 17；Alkali liquid tank 18；Reactor 3 19；From Scheming 3 20；Washer 2 21；Feed tube 4 22；Feed tube 5 23；Discharge nozzle 3 24；Acid solution tank 25；Reactor 4 26；Centrifugation Machine 4 27；Washer 3 28；Feed tube 6 29；Feed tube 7 30；Discharge nozzle 4 31；Alcohol tank 32；Base 33；Charging pipeline section 34； Feeding pipeline section 35；Delivery pipe body 36；Screw-conveyer-shaft 37；Thermal sleeve 38；Electric heating piece 39；Screen cloth 40；Pressure fan 41；Reaction kettle body one 42；Lid 1；Temperature sensor 44；Temperature indicator 45；Blast pipe 46；Rabbling mechanism 47；Reaction kettle body 2 48；Lid two 49；Supersonic generator 50；Ultrasonic probe 51；Air inlet pipe 52；Air jet pipe 53；Nozzle 54；Liquid flowing tube 1；Fluid reservoir one 56；Feed tube 8 57；Triple valve 1；Filter membrane 1；Filtering area 60；Spraying zone 61；Shower 62；Deionization water pot 63；It is defeated Send auger 3 64；Delivery pipe body 2 65；Thermal sleeve 2 66；Water insoluble dietary fiber Material collecting box for harvesting 67；Reaction kettle body 3 68；Lid Body 3 69；Liquid flowing tube 2 70；Fluid reservoir 2 71；Triple valve 2 72；Filter membrane 2 73；Conveying auger 4 74；Protein Material collecting box for harvesting 75； Dividing plate 76；Upper reative cell 77；Lower reative cell 78；Filter bag 79；Discharge nozzle 5 80；Discharging tube 81；Fluid reservoir 3 82；Triple valve three 83；Waste liquid pool 84；Filter membrane 4 85；Conveying auger 5 86；87 grade term of water-soluble dietary fiber Material collecting box for harvesting, but be not precluded from using The possibility of other terms.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；Them It is all contrary with spirit of the invention to be construed to any additional restriction.

Claims

1. dietary fiber and method of protein are extracted from bean dregs, it is characterised in that comprised the following steps：

1) bean dregs pre-treatment：Fresh wet okara is put in pulverizer, pulverizer is ground into wet bean dregs after okara powder, open The outlet valve of pulverizer discharge outlet, okara powder are fallen in conveying auger one, start the motor of conveying auger one, and Motor drive is twisted Imperial axle is rotated, and screw-conveyer-shaft sends into okara powder in feed pipe one, while screw-conveyer-shaft conveys okara powder, by conveying auger one Electric heating piece be powered, electric heating piece be powered after heated transportation auger one inside, okara powder is oven-dried, and the okara powder after drying is from entering After expects pipe one falls into reactor one, motor stalls, electric heating piece remain powered on heating；

2) extract degreasing：Extraction flow container is opened, digestion agent is added in reactor one, start the electricity of the rabbling mechanism of reactor one Machine, Motor drive shaft are rotated, and shaft is stirred to okara powder and digestion agent, the heat in conveying auger one pass through into Expects pipe one is passed through in reactor one, and one internal temperature of reactor is maintained at 45～65 DEG C, after extracting 4～6h, opens reactor One discharge nozzle one, the mixture in reactor one are passed through centrifuge one from discharge nozzle one and are centrifuged, and centrifugal rotational speed is 4000 ～8000r/min, centrifugation time are 25～45min, and bean dregs grouts are obtained after centrifugation；Open the solid outlet of centrifuge one, beans The blob of slag dregs of rice are fallen in conveying auger two, open the motor of conveying auger two, while the electric heating piece of conveying auger two is powered, electric heating The inside of heated transportation auger two after piece energization, bean dregs grouts are oven-dried and dissipate into defatted bean-dregs powder, the conveying of defatted bean-dregs pruinescence Into in reactor two；

3) water insoluble dietary fiber is extracted：Alkali liquid tank is opened, 1mol/L NaOH solutions, Ran Houkai are added in reactor two Buffering flow container is opened, and buffer solution is added in reactor two, pH value of solution is adjusted to 8～10；Open supersonic generator auxiliary to carry Take, after extracting 1～2h, open the discharge nozzle two of reactor two, the mixture in reactor two is passed through centrifuge from discharge nozzle two Two are centrifuged, and centrifugal rotational speed is 5000～9000r/min, and centrifugation time is 20～35min, is centrifuged and obtains supernatant one and sink Starch one；The liquid outlet of centrifuge two is opened, supernatant one is passed through in reactor three, open the solids exit of centrifuge two Mouthful, sediment one is fallen in washer one, opens the shower in washer one, and shower sprays deionization to sediment one Water, obtains water insoluble dietary fiber after flushing；

4) Protein Extraction：Acid solution tank is opened, acid solution is added in reactor three, pH value of solution is adjusted to 4～5, is started The motor of the rabbling mechanism of reactor three, Motor drive shaft are rotated, and shaft is intermittent to mixed liquor to be stirred, extract 4～ After 6h, the discharge nozzle two of reactor three is opened, and the mixture in reactor three is passed through centrifuge three from discharge nozzle three and is centrifuged, Centrifugal rotational speed is 5000～9000r/min, and centrifugation time is 20～35min, is centrifuged and obtains supernatant two and sediment two；Open The liquid outlet of centrifuge three, supernatant two is passed through in the filter bag of reactor four, opens the solid outlet of centrifuge three, precipitation Thing two is fallen in washer two, open washer two in shower, shower to two Air washer of sediment, after flushing Obtain protein；

5) water-soluble dietary fiber is extracted：Open the discharging tube of the upper reative cell of reactor four, the water and small molecule in filter bag After material is discharged through filter bag, the discharge nozzle five of filter bag is opened, and the trapped fluid in filter bag flows into the lower reaction of reactor four Room, opens alcohol tank, ethanol solution is added in downward reative cell, and the discharge nozzle of lower reative cell after standing 20～24h, is opened under room temperature Four, the mixture of lower reative cell is passed through centrifuge four from discharge nozzle four and is centrifuged, and centrifugal rotational speed is 5000～9000r/min, Centrifugation time is 10～25min, is centrifuged and obtains supernatant three and sediment three；Open the solid outlet of centrifuge four, precipitation Thing three is fallen in washer three, open washer three in shower, shower to three Air washer of sediment, after flushing Obtain water-soluble dietary fiber.

2. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that step 1) In, 65～80 DEG C are heated to inside conveying auger one, the top of the discharging opening of pulverizer is provided with screen cloth, after okara powder crosses screen cloth Fall in conveying auger one, screen cloth is 60～80 mesh sieves.

3. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that step 2) In, digestion agent used is n-hexane, and 55～85 DEG C are heated to inside conveying auger two.

4. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that step 3) In also include：The discharging opening of washer one is opened, water insoluble dietary fiber is fallen in conveying auger three, open conveying auger three Motor, while the electric heating piece of conveying auger three is powered, electric heating piece be powered after heated transportation auger three inside, water-insoluble Dietary fiber is oven-dried and is transported to water insoluble dietary fiber Material collecting box for harvesting.

5. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that step 3) In, ultrasonic extraction parameter is：300～800w of ultrasonic power, ultrasonic wave added time are 40～60min.

6. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that step 3) Also include：Pressure fan and blast pipe are opened, blast pipe sprays into gas in mixed liquor and carries out bubbling.

7. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that step 4) Also include：The discharging opening of washer two is opened, protein is fallen in conveying auger four, open the motor of conveying auger four, while The electric heating piece of conveying auger four is powered, the inside of heated transportation auger four after electric heating piece energization, protein are oven-dried and defeated Deliver to protein Material collecting box for harvesting.

8. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that step 5) Also include：The discharging opening of washer three is opened, water-soluble dietary fiber is fallen in conveying auger five, open the electricity of conveying auger five Machine, while the electric heating piece of conveying auger five is powered, the inside of heated transportation auger five after electric heating piece energization, aqueous soluble dietary are fine Dimension is oven-dried and is transported to water-soluble dietary fiber Material collecting box for harvesting.

9. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that in step 3), in, the supernatant one for obtaining is centrifuged and is first passed through in fluid reservoir one, open the triple valve of one liquid outlet of fluid reservoir, by fluid reservoir one With the feed tube eight connectivity of reactor two, supernatant one is refilled in reactor two, subsequently into centrifuge two again from The heart, after being repeatedly centrifuged, switches the triple valve opening of one liquid outlet of fluid reservoir, by fluid reservoir one and reactor tee joint, will Supernatant one is passed through in reactor three；In step 4) in, the supernatant two for obtaining is centrifuged and is first passed through in fluid reservoir two, open liquid storage The triple valve of two liquid outlet of tank, fluid reservoir two is connected with the feed tube four of reactor three, supernatant two is refilled reaction In kettle three, it is centrifuged subsequently into centrifuge three again, after being repeatedly centrifuged, the triple valve for switching two liquid outlet of fluid reservoir is opened Mouthful, fluid reservoir two is connected with reactor four, supernatant two is passed through in reactor four；In step 5) in, it is upper that centrifugation is obtained Clear liquid three is first passed through in fluid reservoir three, opens the triple valve of three liquid outlet of fluid reservoir, by fluid reservoir three and the feed liquor of reactor four Pipe six is connected, and supernatant three is refilled in reactor four, is centrifuged subsequently into centrifuge four again, is repeatedly centrifuged Afterwards, switch the triple valve opening of three liquid outlet of fluid reservoir, fluid reservoir three is connected with waste liquid pool, supernatant three is entered into waste liquid Pond.

10. it is according to claim 1 that dietary fiber and method of protein are extracted from bean dregs, it is characterised in that also to wrap Include the step of determining water insoluble dietary fiber, protein and water-soluble dietary fiber characteristic respectively.