CN108576831B - System for utilize bean dregs to produce soybean dietary fiber - Google Patents
System for utilize bean dregs to produce soybean dietary fiber Download PDFInfo
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- CN108576831B CN108576831B CN201810732891.8A CN201810732891A CN108576831B CN 108576831 B CN108576831 B CN 108576831B CN 201810732891 A CN201810732891 A CN 201810732891A CN 108576831 B CN108576831 B CN 108576831B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
- A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
- A23L33/22—Comminuted fibrous parts of plants, e.g. bagasse or pulp
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L11/00—Pulses, i.e. fruits of leguminous plants, for production of food; Products from legumes; Preparation or treatment thereof
- A23L11/05—Mashed or comminuted pulses or legumes; Products made therefrom
- A23L11/07—Soya beans, e.g. oil-extracted soya bean flakes
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/49—Removing colour by chemical reaction, e.g. bleaching
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
- B01F27/054—Deformable stirrers, e.g. deformed by a centrifugal force applied during operation
- B01F27/0542—Deformable stirrers, e.g. deformed by a centrifugal force applied during operation deformable by centrifugal force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2201/20—Pressure-related systems for filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
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Abstract
A system for producing soybean dietary fiber by using bean dregs is characterized in that the bean dregs are dissolved in water in a dreg melting and acid regulating tank, the pH value of the bean dregs is regulated by acid and then filtered, the bean dregs are sent into a bean dreg cooking tank for cooking, clear liquid and centrifugal dregs are separated out by a centrifugal separator after cooking, the centrifugal dregs are sent into a decoloring alcohol washing tank for decoloring and deodorizing, filter residues obtained by filter pressing are sequentially dried by a dryer and ground by a pulverizer to obtain powder, and finally the powder is screened to obtain the soybean dietary fiber powder. The invention organically combines the slag melting and acid regulating tank, the bean dreg stewing tank, the decoloring and alcohol washing tank, the centrifugal separator, the filter press, the dryer and the pulverizer to form a complete system for producing soybean dietary fiber by using bean dreg, wherein the decoloring and alcohol washing tank combines an oxidation and decoloring process and an alcohol washing process, so that the industrial mass production is realized, the land of a workshop is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the production of soybean fiber powder in the chemical field, in particular to a system for producing soybean dietary fiber by utilizing bean dregs.
Background
The soybean dietary fiber mainly refers to the general name of high molecular saccharides which cannot be digested by human digestive enzymes in soybeans. The dietary fiber mainly comprises cellulose, pectin, xylan, mannose and the like, and can safely regulate the blood sugar level of a human body, prevent constipation and increase satiety although the dietary fiber can not provide any nutritional ingredients for the human body. Meanwhile, the dietary fiber has the physiological functions of preventing obesity, promoting the proliferation of bifidobacteria and aerobic bacteria, enhancing the function of macrophages and improving the disease resistance, so the medical and nutritional industries recognize that the dietary fiber is the seventh largest nutrient. In addition, the soybean dietary fiber has the characteristics of rich nutrition, unique flavor, safety and convenience in eating and the like, and is outstanding in dietary fiber.
Soybean oil is a major product of soybean, and the byproduct okara remaining after soybean is pressed to obtain soybean oil has been used as a part of animal feed, which not only causes a decrease in added value of soybean products, but also wastes a great part of nutrients of soybean. The research shows that the bean dregs contain 20 percent of protein, 53.3 percent of carbohydrate and 3.3 percent of fat, and also contain minerals such as calcium, iron and the like, so that the natural foundation exists for producing the soybean dietary fiber by using the bean dregs.
In the prior art, soybean dietary fiber is produced by using bean dregs, and the main steps are as follows: wet bean dregs, acid regulating, hot water soaking, neutralization, oxidation decolorization, dehydration drying, crushing, sieving, bean dregs powder, extrusion, cooling, crushing, functional activation and superfine crushing. The production method has been successful in the laboratory at present, but is not well applicable to industrial mass production.
Disclosure of Invention
The invention aims to provide a system for producing soybean dietary fiber by using bean dregs, which organically combines a dreg melting acid regulating tank, a bean dreg cooking tank, a decoloring alcohol washing tank, a centrifugal separator, a filter press, a dryer and a pulverizer to form a complete system for producing soybean dietary fiber by using bean dregs, and the decoloring alcohol washing tank organically combines an oxidation decoloring process and an alcohol washing process into one process, so that the industrial mass production is realized, the workshop area is reduced, and the production efficiency is improved.
The technical scheme adopted by the invention for realizing the technical purposes is as follows: a system for producing soybean dietary fiber by utilizing bean dregs comprises a melting dreg acid regulating tank, a bean dreg stewing tank and a decoloration alcohol washing tank, wherein the bean dregs are dissolved in the melting dreg acid regulating tank by using water, the pH value of the bean dregs is regulated by using acid and then filtered, the bean dregs are sent into the bean dreg stewing tank to be steamed, the steamed bean dregs are sent into a centrifugal separator to separate clear liquid and centrifugal dregs, the centrifugal dregs are sent into the decoloration alcohol washing tank to be decolored and deodorized, filter residues obtained by filter pressing are sequentially dried by a dryer and ground by a pulverizer to obtain powder, and finally the powder is screened to obtain soybean dietary fiber powder, an oxidation decoloration tank and an alcohol washing tank are respectively arranged at the upper part and the lower part in the shell, wherein a bean dreg feed hopper, an oxidant injection pipe, a water injection pipe and a compressed air injection pipe are respectively arranged at the top of the oxidation decoloration tank, and a discharge port with a control valve plate is arranged at the bottom of the oxidation decoloration tank;
the side wall of the oxidation and decoloration tank is a hollow sandwich structure formed by the outer side wall and the inner side wall, an air bag is arranged in the sandwich structure of the outer side wall and the inner side wall, compressed air is filled into the air bag through a compressed air injection pipe, and then the compressed air is blown into the oxidation and decoloration tank through a plurality of air inflation pipe assemblies for cooling; the inner surface of the inner side wall is distributed with electric heating wires for heating the bean dregs and water in the oxidation and decoloration tank;
the top of the alcohol washing tank is provided with a feed inlet, the feed inlet is positioned under the discharge opening of the oxidation decoloration tank, an ethanol injection pipe and an ethanol extraction pipe are respectively arranged on the side wall of the upper part of the alcohol washing tank, the two pipes are respectively connected with two ethanol pumps and are respectively used for injecting ethanol into the alcohol washing tank and extracting ethanol, and the bottom of the alcohol washing tank is provided with a discharge opening with a control valve plate.
The invention relates to an optimized implementation mode, which is characterized in that the inflation tube assembly comprises a tube body penetrating through the inner side wall and extending into the oxidation decolorizing tank and a plug cover arranged at the end part of the tube body, wherein the plug cover is connected with the tube body in a sliding fit manner through a plug column arranged on the plug cover, a fixed baffle ring with a connecting spring is arranged in the tube body and clings to the inner side wall of the tube body, the free end of the connecting spring is connected with the free end of the plug column, and when the connecting spring is in a free state, the plug cover seals the end part of the tube body; the central position of the plug is provided with a main air passage axially parallel to the plug and a plurality of exhaust holes communicated with the main air passage, one end of the main air passage is communicated with the inside of the pipe body, the other end of the main air passage is closed, the free end of the exhaust hole penetrates through the side wall of the plug, the side wall of the end part of the pipe body is provided with air holes corresponding to the number of the exhaust holes, when compressed air in the air bag pushes the plug to overcome the elasticity of a connecting spring and move to the end part of the pipe body to the limit position, the exhaust holes are correspondingly communicated with the air holes, so that the compressed air in the air bag enters the oxidation decoloration tank through the pipe body, the main air passage, the exhaust holes and the air holes, and the materials in the oxidation decoloration tank are rapidly cooled.
According to a further improvement scheme of the optimized implementation mode, an annular sealing rubber sleeve is arranged on the plug cover in a surrounding mode, the diameter of an inner ring of the annular sealing rubber sleeve is equal to the outer diameter of the end portion of the pipe body, so that the annular sealing rubber sleeve is arranged on the end portion of the pipe body, when the connecting spring is in a free state, the annular sealing rubber sleeve covers the air holes, and when the plug moves to a limiting position under the action of compressed air thrust, the annular sealing rubber sleeve moves away from the surface of the air holes, and the air holes are exposed.
According to another optimized implementation mode of the invention, a turnover filter pressing mechanism is arranged between a discharge hole of the oxidation decoloration tank and a feed hole of the alcohol washing tank, the turnover filter pressing mechanism comprises a turnover frame for receiving materials discharged from the discharge hole, the turnover frame is rectangular or inverted round table-shaped, the bottom of the turnover frame is sealed by a filter screen to form a bean dreg filtering filter frame, the turnover frame is rotationally connected with two fixed blocks through connecting rods at two sides of the turnover frame, a driven gear is fixedly arranged on the connecting rod at one side of the turnover frame, the driven gear is meshed with a driving gear driven by a micro motor to form a transmission gear set, and the micro motor and the transmission gear set drive the connecting rod and the turnover frame to turn 180 degrees, so that the materials in the turnover frame are poured into the feed hole of the alcohol washing tank; the filter press is characterized in that the two fixing blocks are arranged at the end parts of piston rods of two hydraulic cylinders which move synchronously, the piston rods of the two hydraulic cylinders extend out to drive the overturning frame to move upwards, so that the filter press is realized on bean dregs in the overturning frame by extruding with the bottom of the oxidation decolorizing tank, a water receiving tank is arranged below a filter screen at the bottom of the overturning frame, the side wall of the water receiving tank is fixedly connected with the bottom of the overturning frame into an integral sealing structure, the bottom wall of the water receiving tank is inclined, and a drain pipe is arranged at the lowest part of the bottom wall of the water receiving tank.
According to a further improvement scheme of the optimized implementation mode, a feed inlet at the top of the alcohol washing tank extends upwards and expands outwards to form a horn-shaped opening, a shoulder is formed around the feed inlet, and cylinder bases of the two hydraulic cylinders are symmetrically arranged on two sides of the feed inlet on the shoulder.
In another optimized implementation mode of the invention, the parts of the ethanol injection pipe and the ethanol extraction pipe extending into the ethanol washing tank are both positioned in a filter plate frame, and the filter plate frame is a frame body made by welding filter plates and is used for preventing bean dregs from entering the ethanol injection pipe and the ethanol extraction pipe.
In another optimized implementation mode of the invention, motor-driven stirring shafts are arranged in the slag melting and acid regulating tank and the oxidation and decoloration tank, at least one group of stirring blades are distributed on the stirring shafts along the height direction of the stirring shafts, each group of stirring blades comprises at least three blade rods, the blade rods are positioned in vertical grooves distributed on the shaft body of the surrounding stirring shafts, the top of each blade rod is hinged with the top of the corresponding vertical groove, and the bottom of each blade rod is provided with an arc-shaped blade.
According to a further improvement of the optimized implementation mode, the central axis of the arc-shaped blade is parallel to the central axis of the blade rod, the connecting point of the central axis of the arc-shaped blade and the central axis of the blade rod is located at one side of the arc-shaped blade, annular cutting grooves corresponding to the stirring blade groups are arranged on the stirring shaft body, each annular cutting groove is communicated with all vertical grooves in one group of stirring blades, and therefore the arc-shaped blades in the group of stirring blades are located in the annular cutting grooves.
Compared with the prior art, the invention has the following beneficial effects:
1) The invention organically combines the acid mixing tank, the bean dreg stewing tank, the decoloring and alcohol washing tank, the centrifugal separator, the filter press, the dryer and the pulverizer to form a complete system for producing soybean dietary fibers by using bean dreg, wherein the decoloring and alcohol washing tank organically combines an oxidation decoloring process and an alcohol washing process into one process and is combined in the same shell, the bean dreg after being subjected to oxidation decoloring by the oxidation decoloring tank can be directly fed into the alcohol washing tank to be repeatedly washed by ethanol for a plurality of times, and the workshop land can be reduced and the production efficiency can be improved while the industrial mass production is realized;
2) According to the invention, the heating function of the bean dregs in the oxidation and decoloration tank is realized by installing the electric heating wire in the oxidation and decoloration tank, meanwhile, the oxidation and decoloration tank is arranged into a double-layer hollow structure, the air bags are installed in the interlayer, then the air bags are filled with compressed air into the tank body through the plurality of air inflation pipe assemblies, and the bean dregs in the reaction tank are rapidly cooled by the air so as to facilitate the oxidation and decoloration reaction, thereby improving the oxidation and decoloration effect of the hydrogen peroxide and reducing the consumption of the hydrogen peroxide;
3) The end part of the tube body of the inflation tube assembly is provided with the plug cover and the plug column which slides in the plug cover and is connected with the plug cover to seal the tube body, so that water or bean dregs are prevented from entering the tube body to be blocked, the plug cover and the plug column are fixed at the end part of the tube body through the connecting spring, when compressed air is introduced into the air bag, the compressed air pushes the plug column to move, so that a main air passage in the plug column, an exhaust hole and an air hole on the tube body are communicated, the compressed air enters the reaction tank, and after the compressed air is stopped being introduced, the plug column and the plug cover retract under the action of the elasticity of the connecting spring, so that a through air passage formed by the main air passage, the exhaust hole and the air hole is disconnected, and the water is prevented from entering the inflation tube assembly along the air hole; in order to ensure the sealing effect, water is prevented from entering the inflation tube assembly, an annular sealing rubber sleeve is arranged on the plug cover around the plug, the annular sealing rubber sleeve is sleeved on the tube body, and when the connecting spring is in a free state, the air holes are covered to prevent water from entering;
4) Because the bean dregs discharged from the oxidation and decoloration tank are provided with water, hydrogen peroxide and other liquids, the amount of ethanol used is increased when the bean dregs are directly discharged into the alcohol washing tank, and in order to solve the problem, the invention adopts a turnover filter pressing mechanism between the two, the materials discharged from the oxidation and decoloration tank are filter pressed by the turnover filter pressing mechanism, then the filtrate is discharged out of the tower body, and the bean dregs are poured into the alcohol washing tank for ethanol washing after being turned along with a turnover frame;
5) In an oxidation decoloration tank and a slag melting and acid regulating tank, water is firstly required to be added to dissolve bean dregs, so that the subsequent oxidant hydrogen peroxide or acid is conveniently added, in order to ensure the dissolution effect in the process, a stirring shaft is arranged, stirring blades on the stirring shaft are composed of a plurality of blade rods with arc blades, the blade rods are hinged in vertical grooves on a shaft body, under the natural condition, the blade rods are positioned in the vertical grooves and cannot influence the addition of the bean dregs, and once the stirring shaft rotates under the driving of a driving motor, the blade rods are separated from the vertical grooves to prop up under the action of centrifugal force, so that the bean dregs are stirred.
Drawings
FIG. 1 is a schematic overall flow chart of the present invention;
FIG. 2 is a schematic structural diagram of a decolorizing alcohol wash tank;
FIG. 3 is a schematic diagram of a sidewall structure of an oxidation and decolorization tank;
FIG. 4 is a schematic structural view of an inflation tube assembly;
FIG. 5 is a schematic diagram of the structure of the turnover press mechanism;
FIG. 6 is a schematic view of the structure of the blade bars on the stirring shaft;
FIG. 7 is a schematic view of a blade lever and arcuate blade configuration;
fig. 8 is a schematic structural view of a okara digester in an embodiment;
FIG. 9 is a schematic view of the internal structure of FIG. 8;
FIG. 10 is a schematic view of the external structure of FIG. 8;
FIG. 11 is a schematic view showing the internal structure of the steam base (not shown in metal mesh) of FIG. 8;
FIG. 12 is a schematic view showing the internal structure of the steam base (metal mesh is shown) of FIG. 8;
reference numerals: 1. a slag melting and acid regulating tank, 2, a bean dreg stewing tank, 201, a steam base, 202, a tank body, 203, a central sleeve, 204, a partition plate, 205, a charging port, 206, a central shaft, 207, a baffle plate, 208, a metal net, 209, a driving motor, 2010, a transmission chain, 2011, a storage hopper, 2012, a discharging port, 2013, an electric heating wire, 3, a centrifugal separator, 4, a decolorizing alcohol washing tank, 5, an oxidation decolorizing tank, 501, a bean dreg feeding hopper, 502, an oxidant injection pipe, 503, a water injection pipe, 504, a compressed air injection pipe, 505, a discharge port, 506, an electric heating wire, 507, an outer side wall, 508, an inner side wall, 509, an air bag, 6, an air charging pipe assembly, 601, a pipe body, 602 and a plug, 603, an exhaust hole, 604, a plug cover, 605, an annular sealing gum cover, 606, an air hole, 607, a main air passage, 608, a connecting spring, 609, a fixed baffle ring, 7, a turnover filter pressing mechanism, 701, a turnover frame, 702, a fixed block, 703, a drain pipe, 704, a hydraulic cylinder, 705, a water receiving tank, 706, a transmission gear set, 707, a micro motor, 8, an alcohol washing tank, 801, an ethanol extraction pipe, 802, an ethanol injection pipe, 803, a filter plate frame, 804, a slag discharge hole, 805, a feed inlet, 806, a shoulder, 9, a filter press, 10, a dryer, 11, a pulverizer, 12, a stirring shaft, 1201, a vertical groove, 1202, an annular cutting groove, 1203, an arc blade, 1204 and a blade lever.
Detailed Description
The invention will be further elucidated with reference to specific embodiments and the accompanying drawings.
1-7, a system for producing soybean dietary fiber by using bean dregs comprises a dreg acid regulating tank 1, a bean dreg stewing tank 2 and a decoloration alcohol washing tank 4, wherein, bean dregs are dissolved in water in the dreg acid regulating tank 1, are filtered after the pH value of the bean dregs is regulated by acid, the bean dregs are sent into the bean dreg stewing tank 2 for stewing, are sent into a centrifugal separator 3 for separating clear liquid and centrifugal dregs after stewing, the centrifugal dregs are sent into the decoloration alcohol washing tank 4 for decoloration and deodorization, filter residues obtained by filter press 9 for filter pressing are sequentially dried by a dryer 10 and ground into powder by a pulverizer 11, finally, the powder is screened to obtain soybean dietary fiber powder, a shell body sealed by the decoloration alcohol washing tank 4 is respectively provided with an oxidation tank 5 and an alcohol washing tank 8 at the upper part and the lower part in the shell body, wherein, the top part of the oxidation decoloration tank 5 is respectively provided with a bean dreg feed hopper 501, an oxidant injection pipe 503 and a compressed air injection pipe 504, the bottom of the oxidation decoloration tank 5 is provided with a valve plate 505 with a control vent, and the valve plate is provided with a control valve plate which can be controlled by a large control channel, and the valve plate can be removed by the control valve in practice;
the side wall of the oxidation and decoloration tank 5 is a hollow sandwich structure formed by an outer side wall 507 and an inner side wall 508, the inner side wall 508 is made of a heat insulation material, so that heat is prevented from being transferred to the outside when the oxidation and decoloration tank is heated, an air bag 509 is arranged in the sandwich of the outer side wall 507 and the inner side wall 508, compressed air is filled into the air bag 509 through a compressed air injection pipe 504, and then the compressed air is blown into the oxidation and decoloration tank 5 through a plurality of air inflation pipe assemblies 6 for cooling; an electric heating wire 506 for heating bean dregs and water in the oxidation and decoloration tank 5 is distributed on the inner surface of the inner side wall 508, and a connecting line of the electric heating wire 506 can be arranged in a hollow interlayer of the side wall and controlled to be heated by a controller;
the top of the alcohol washing tank 8 is provided with a feed inlet 805, the feed inlet 805 is positioned under the discharge outlet 505 of the oxidation and decoloration tank 5, an alcohol injection pipe 802 and an alcohol extraction pipe 801 are respectively arranged on the side wall of the upper part of the alcohol washing tank 8, the two pipes are respectively connected with two alcohol pumps and are respectively used for injecting alcohol into the alcohol washing tank 8 and extracting alcohol, and a slag discharge outlet 804 with a control valve plate is arranged at the bottom of the alcohol washing tank 8.
The foregoing is a basic embodiment of the present invention, and further optimizations, improvements, or limitations may be made on the above basis:
for example, in an optimized embodiment of the present invention, the inflation tube assembly 6 includes a tube body 601 extending into the oxidation decolorizing tank 5 through the inner sidewall 508 and a plug cap 604 disposed at an end of the tube body 601, wherein the plug cap 604 is slidably connected with the tube body 601 through a plug post 602 disposed thereon, a fixed stop ring 609 with a connecting spring 608 is disposed in the tube body 601 and closely attached to the inner sidewall thereof, a free end of the connecting spring 608 is connected with a free end of the plug post 602, and when the connecting spring 608 is in a free state, the plug cap 604 seals an end of the tube body 601; the central position of the plug 602 is provided with a main air passage 607 which is parallel to the axial direction of the plug 602 and a plurality of exhaust holes 603 which are communicated with the main air passage 607, one end of the main air passage 607 is communicated with the inside of the pipe body 601, the other end of the main air passage 607 is closed, the free ends of the exhaust holes 603 penetrate through the side wall of the plug 602, the side wall of the end part of the pipe body 601 is provided with air holes 606 corresponding to the exhaust holes 603, when the compressed air in the air bag 509 pushes the plug 602 to move to the limit position towards the end part of the pipe body 601 against the elastic force of the connecting spring 608, the limit position is the position of the plug 602 when the elastic force of the connecting spring 608 is balanced with the thrust of the compressed air, at the moment, the plug 602 is still positioned in the pipe body 601, the exhaust holes 603 are correspondingly communicated with the air holes 606, so that the compressed air in the air bag 509 enters the oxidation decoloration tank 5 through the pipe body 601, the main air passage 607, the exhaust holes 603 and the air holes 606, and the air holes 606 are quickly cooled.
According to a further improvement of the optimized implementation mode of the invention, an annular sealing rubber sleeve 605 is arranged on the plug cover 604 around the plug 602, the diameter of the inner ring of the annular sealing rubber sleeve 605 is equal to the outer diameter of the end part of the pipe body 601, so that the annular sealing rubber sleeve 605 is hooped on the end part of the pipe body 601, when the connecting spring 608 is in a free state, the air holes 606 are covered by the annular sealing rubber sleeve 605, and when the plug 602 moves to a limit position under the action of the pushing force of compressed air, the annular sealing rubber sleeve 605 is moved away from the surfaces of the air holes 606, and the air holes 606 are exposed;
when the annular sealing gum cover 605 is arranged, the plug 602 and the pipe body 601 can be designed to be in clearance fit, so that the plug 602 slides in the pipe body 601, but the clearance is not excessively large, preferably not more than 1mm, and lubricating oil can be injected between the plug 602 and the pipe body.
For another example, in another optimized embodiment of the invention, a turning press filtration mechanism 7 is arranged between the discharge port 505 of the oxidation and decoloration tank 5 and the feed port 805 of the alcohol washing tank 8, the turning press filtration mechanism 7 comprises a turning frame 701 for receiving the material discharged from the discharge port 505, the turning frame 701 is a rectangular or inverted round table frame body, the bottom of the turning frame 701 is sealed by a filter screen to form a bean dreg filtering frame, the turning frame 701 is rotationally connected with two fixed blocks 702 through connecting rods at two sides of the turning frame 701, a driven gear is fixedly arranged on the connecting rod at one side of the turning frame 701 and meshed with a driving gear driven by a micro motor 707 to form a transmission gear set 706, and the connecting rod and the turning frame 701 are driven by the micro motor 707 and the transmission gear set 706 to turn 180 degrees, so that the material in the turning frame 701 is poured into the feed port 805 of the alcohol washing tank 8; the micro motor 707 is arranged on a fixed block 702, in actual production, the power output by the micro motor 707 can be reduced through a speed reducer and then drives the turnover frame 701 to slowly turn through the transmission gear set 706, so that bean dregs in the turnover frame 701 are prevented from being thrown out, the turnover of the turnover frame 701 is realized by controlling the forward and backward rotation of the micro motor 707, and in order to prevent the turnover from exceeding, the rotation of the micro motor 707 can be set for a plurality of circles, so that the turnover frame 701 can be just rotated for 180 degrees after the speed reducer is reduced and the transmission gear set 706; the two fixing blocks 702 are arranged at the end parts of piston rods of the two hydraulic cylinders 704 which move synchronously, the piston rods of the two hydraulic cylinders 704 extend out to drive the turnover frame 701 to move upwards, so that the turnover frame 701 is extruded with the bottom of the oxidation decoloration tank 5, press filtration of bean dregs in the turnover frame 701 is realized, an integrated sealing structure is arranged below a filter screen at the bottom of the turnover frame 701 and fixedly connected with a water receiving tank 705, the bottom wall of the water receiving tank 705 is inclined, a drain pipe 703 is arranged at the lowest part of the water receiving tank 705, the drain pipe 703 is a hose and is positioned at one side of the piston rod of the hydraulic cylinders 704, thus the piston rod is not blocked in the rotation process, and the drain pipe 703 discharges filtered liquid into a special collecting container outside the decoloration alcohol washing tank 4;
according to a further improvement of the above-mentioned optimized embodiment of the invention, the feed port 805 at the top of the alcohol washing tank 8 extends upward and expands outward to form a trumpet-shaped opening, the area of the trumpet-shaped opening is larger than the area of the top of the turnover frame 701, so that the material can be prevented from being scattered in the turnover process of the turnover frame 701, the area of the top opening of the turnover frame 701 is larger than the area of the discharge port 505, a convex shoulder 806 is formed around the feed port 805, and the cylinder bases of the two hydraulic cylinders 704 are symmetrically arranged on two sides of the feed port 805 on the convex shoulder 806.
For another example, in another preferred embodiment of the present invention, the parts of the ethanol injection pipe 802 and the ethanol extraction pipe 801 extending into the ethanol washing tank 8 are both located in the filter plate frame 803, and the filter plate frame 803 is a frame made of welded filter plates, so as to prevent the bean dregs from entering the ethanol injection pipe 802 and the ethanol extraction pipe 801.
As another preferred embodiment of the present invention, a motor-driven stirring shaft 12 is disposed in each of the slag melting and acid regulating tank 1 and the oxidation and decoloration tank 5, at least one group of stirring blades are distributed on the stirring shaft 12 along the height direction of the stirring shaft, each group of stirring blades includes at least three blades 1204, the blades 1204 are located in vertical grooves 1201 distributed around the shaft body of the stirring shaft 12, the top of each blade 1204 is hinged with the top of its corresponding vertical groove 1201, and the bottom is provided with an arc blade 1203;
according to a further improvement of the optimized embodiment of the invention, the central axis of the arc-shaped blade 1203 is parallel to the central axis of the blade lever 1204, the connecting point of the central axis and the central axis of the blade lever 1204 is positioned at one side of the arc-shaped blade 1203, annular cutting grooves 1202 corresponding to the number of the stirring blade groups are arranged on the shaft body of the stirring shaft 12, and each annular cutting groove 1202 is communicated with all vertical grooves 1201 in one group of stirring blades, so that the arc-shaped blade 1203 in the group of stirring blades is positioned in the annular cutting groove 1202.
The slag melting and acid regulating tank 1, the bean dreg cooking tank 2, the centrifugal separator 3, the filter press 9, the dryer 10 and the pulverizer 11 can be all made of the existing equipment; of course, the following equipments are preferably used for the okara digester 2:
201. steam base, 202, tank, 203, central sleeve, 204, isolation plate, 205, feed inlet, 206, central shaft, 207, baffle, 208, metal mesh, 209, driving motor, 2010, transmission chain, 2011, storage hopper, 2012, discharge opening, 2013, heating wire
The bean dreg cooking pot 2 shown in fig. 8-12 comprises a steam base 201 and a pot body 202 arranged on the steam base 201, wherein the pot body 202 is of a cylinder structure with an open lower end and a closed upper end, a central sleeve 203 is arranged in the pot body 202 along the axis of the pot body, the inside of the pot body 202 is divided into 6 fan-shaped storage chambers with the same shape through 6 vertical separation plates 204, two sides of the separation plates 204 are respectively in sealing connection with the outer wall of the central sleeve 203 and the inner wall of the pot body 202, a charging port 205 is arranged at the top of the pot body 202 corresponding to each storage chamber, a cap is arranged at the charging port 205, and when charging is needed, the cap is opened, and charging is performed manually.
The steam base 201 is a barrel structure with an open upper end, a central shaft 206 is fixedly arranged in the steam base 201, the lower end of the central shaft 206 is fixed on the steam base 201, the upper end of the central shaft 206 extends out of the steam base 201, the steam base 201 is divided into a water storage cavity and a discharge cavity by two baffles 207, two sides of each baffle 207 are respectively and hermetically connected with the central shaft 206 and the inner wall of the steam base 201, the shape of the discharge cavity is the same as that of any one of the storage cavities in the steaming tank 202, an electric heating wire 2013 for heating water is arranged in the water storage cavity, other necessary components capable of realizing the operation of the electric heating wire 2013 are in the prior art, the structural form of steaming equipment in the prior art can be adopted, and how the electric heating wire works is not the innovation point of the invention, and the details are not given. The lateral wall of water storage chamber is provided with the water filling mouth, and the lateral wall that steam base 201 is located discharge chamber department is provided with discharge opening 2012, is provided with the stock guide of slope in the discharge chamber, and the lower one end of stock guide horizontal position is located discharge opening 2012. The opening part of the steam base 201 is provided with a metal net 208, the mesh diameter of the metal net 208 is 1.5mm, the opening ratio of the metal net 208 is 50%, the metal net 208 is provided with a notch corresponding to the discharging cavity, and in order to improve the supporting strength of the metal net 208, a plurality of struts for supporting the metal net 208 can be arranged in the water storage cavity of the steam base 201.
The upper end edge of the steam base 201 is provided with an annular sliding rail, the lower end edge of the tank body 202 is provided with an annular sliding groove matched with the annular sliding rail, a central shaft 206 of the steam base 201 is arranged in a central sleeve 203 of the tank body 202 in a penetrating mode, and the annular sliding rail at the upper end of the steam base 201 is clamped in the annular sliding groove at the lower end of the tank body 202, so that the tank body 202 can freely rotate on the steam base 201, and rotation of the tank body 202 can be achieved through manpower. The bean dregs added into the tank 202 are accumulated on the metal net 208, steamed by steam generated from the lower part, and move under the pushing of the isolating plate along with the rotation of the tank 202, and when moving to the notch of the metal net 208, the bean dregs fall into the discharging cavity of the steam base 201 and are transferred to the next process from the discharging cavity.
Besides the manual force to realize the rotation of the tank 202, the tank 202 can be driven to rotate by a power assembly, the power assembly comprises a driving motor 209, a speed reducer, a main chain wheel, a secondary chain wheel and a transmission chain 2010, the upper end of the central sleeve 203 extends out of the top of the tank 202, the secondary chain wheel is sleeved on the central sleeve 203, the main chain wheel is sleeved on an output shaft of the speed reducer, an input shaft of the speed reducer is connected with an output shaft of the driving motor 209, and the transmission chain 2010 is sleeved between the main chain wheel and the secondary chain wheel. When the tank 202 needs to be rotated, the driving motor 209 is started to drive the main sprocket to rotate, and power is transmitted to the auxiliary sprocket through the chain, so that the tank 202 rotates around the central shaft 206 due to the fact that the auxiliary sprocket is fixed on the tank 202.
In addition, the bean dreg cooking pot 2 further comprises a feeding component for feeding the bean dreg into the pot 202, the feeding component comprises a storage hopper 2011 arranged above the pot 202 and a belt conveyor for conveying bean dreg into the storage hopper 2011, a discharging hole at the lower end of the storage hopper 2011 is positioned above a rotating track of a feeding hole 205 of the pot 202, the diameter of the discharging hole is smaller than that of the feeding hole 205, an electric control valve is arranged at the feeding hole 205, and circuit control setting is performed according to requirements and intelligent control needs of the whole device. It should be noted that the storage hopper 11 is located at the rear of the rotation direction of the discharge cavity, that is, after one of the storage cavities of the tank 202 empties the bean dregs therein at the discharge cavity, the storage hopper 2011 rotates to the next station, and is located directly above the station.
The structure principle and the working principle of the bean dreg stewing pot 2 are as follows: the 6 fan-shaped storage chambers of the cooking pot are named as #1-6 respectively, and the time for cooking the bean dregs is 100min, and each storage chamber reaches the discharge chamber after 5 times of rotation, namely the bean dregs need to be stopped for 20min after each time of rotation. During initial operation, #6 is located the top of steam base's row material chamber, and at this moment, adds the bean dreg raw materials that wait to cook in to #1 through storage hopper 2011, and after waiting to cook for 20min, rotate the cooking jar, make #1 move forward, #2 reach the feeding position and carry out the feeding, and so on, when #1 reached row material chamber, discharge the material through row material chamber, at this moment, #6 is located storage hopper 2011 below and carries out feeding and cooking, has realized the continuous steamed operation of bean dreg.
Claims (7)
1. A system for producing soybean dietary fiber by using bean dregs comprises a melting dreg acid regulating tank (1), a bean dreg stewing tank (2) and a decoloration alcohol washing tank (4), wherein the bean dregs are dissolved in the melting dreg acid regulating tank (1) by water, the pH value of the bean dregs is regulated by acid and then filtered, the bean dregs are sent into the bean dreg stewing tank (2) to be stewed, the bean dregs are sent into a centrifugal separator (3) to separate clear liquid and centrifugal dregs after being stewed, the centrifugal dregs are sent into the decoloration alcohol washing tank (4) to decolor and remove smell, filter residues obtained by filter press (9) are sequentially dried by a dryer (10) and ground by a pulverizer (11) to be made into powder, and finally the powder is screened to obtain the soybean dietary fiber powder, and the system is characterized in that: the upper part and the lower part in the shell are respectively provided with an oxidation and decoloration tank (5) and an alcohol washing tank (8), wherein the top of the oxidation and decoloration tank (5) is respectively provided with a bean dreg feed hopper (501), an oxidant injection pipe (502), a water injection pipe (503) and a compressed air injection pipe (504), and the bottom of the oxidation and decoloration tank (5) is provided with a discharge hole (505) with a control valve plate;
the side wall of the oxidation and decoloration tank (5) is a hollow sandwich structure formed by an outer side wall (507) and an inner side wall (508), an air bag (509) is arranged in the sandwich structure of the outer side wall and the inner side wall, the air bag (509) is filled with compressed air through a compressed air injection pipe (504), and then compressed air is blown into the oxidation and decoloration tank (5) through a plurality of air inflation pipe assemblies (6) for cooling; an electric heating wire (506) for heating the bean dregs and water in the oxidation and decoloration tank (5) is distributed on the inner surface of the inner side wall (508);
a turnover filter pressing mechanism (7) is arranged between a discharge hole (505) of the oxidation decoloring tank (5) and a feed hole (805) of the alcohol washing tank (8), the turnover filter pressing mechanism (7) comprises a turnover frame (701) for receiving materials discharged from the discharge hole (505), the turnover frame (701) is a rectangular or inverted round table-shaped frame body, the bottom of the turnover frame is sealed by a filter screen to form a bean dreg filtering filter frame, the turnover frame (701) is rotationally connected with two fixed blocks (702) through connecting rods at two sides of the turnover frame (701), a driven gear is fixedly arranged on the connecting rod at one side of the turnover frame (701), and is meshed with a driving gear driven by a micro motor (706) to form a transmission gear set (706), and the connecting rod and the turnover frame (701) are driven by the micro motor (707) to turn 180 degrees, so that the materials in the turnover frame (701) are poured into the feed hole (805) of the alcohol washing tank (8); the two fixing blocks (702) are arranged at the end parts of piston rods of two hydraulic cylinders (704) which move synchronously, the piston rods of the two hydraulic cylinders (704) extend out to drive the turnover frame (701) to move upwards, so that the turnover frame (701) is extruded with the bottom of the oxidation decoloration tank (5), press filtration of bean dregs in the turnover frame (701) is realized, a water receiving tank (705) is arranged below a filter screen at the bottom of the turnover frame (701), the side wall of the water receiving tank (705) is fixedly connected with the bottom of the turnover frame (701) into an integral sealing structure, the bottom wall of the water receiving tank (705) is inclined, and a drain pipe (703) is arranged at the lowest part of the bottom wall of the water receiving tank;
the top of alcohol washing jar (8) has feed inlet (805), and this feed inlet (805) is located under bin outlet (505) of oxidation decoloration jar (5), is provided with ethanol injection pipe (802) and ethanol extraction pipe (801) respectively on the upper portion lateral wall of alcohol washing jar (8), and these two pipelines are connected with two ethanol pumps respectively, are used for injecting ethanol and extracting ethanol in alcohol washing jar (8) respectively, are provided with slag discharging port (804) of taking control valve plate in the bottom of alcohol washing jar (8).
2. A system for producing soybean dietary fiber using okara as claimed in claim 1, wherein: the inflatable tube assembly (6) comprises a tube body (601) penetrating through the inner side wall (508) and extending into the oxidation decolorizing tank (5) and a plug cover (604) arranged at the end part of the tube body (601), wherein the plug cover (604) is connected with the tube body (601) in a sliding fit manner through a plug column (602) arranged on the plug cover, a fixed baffle ring (609) with a connecting spring (608) is arranged in the tube body (601) and clung to the inner side wall of the tube body, the free end of the connecting spring (608) is connected with the free end of the plug column (602), and when the connecting spring (608) is in a free state, the plug cover (604) seals the end part of the tube body (601); the central position of cock stem (602) is provided with main air flue (607) and a plurality of exhaust hole (603) that communicate rather than axial parallel with main air flue (607), main air flue (607) one end and inside intercommunication of body (601), the other end is sealed, the lateral wall of cock stem (602) is run through to the free end of exhaust hole (603), be provided with bleeder vent (606) that correspond with exhaust hole (603) quantity on the tip lateral wall of body (601), when the elasticity overcoming connecting spring (608) of compressed air promotion cock stem (602) in gasbag (509) to body (601) tip motion extreme position, exhaust hole (603) and bleeder vent (606) are corresponding put through, so that compressed air in gasbag (509) is through body (601), main air flue (607), exhaust hole (603) and bleeder vent (606) enter into oxidation decoloration jar (5), the material in it carries out the rapid cooling.
3. A system for producing soybean dietary fiber using okara as claimed in claim 2, wherein: an annular sealing rubber sleeve (605) is arranged on the plug cover (604) around the plug (602), the diameter of the inner ring of the annular sealing rubber sleeve (605) is equal to the outer diameter of the end part of the pipe body (601), so that the annular sealing rubber sleeve (605) is hooped at the end part of the pipe body (601), when the connecting spring (608) is in a free state, the air holes (606) are covered by the annular sealing rubber sleeve (605), and when the plug (602) moves to a limit position under the action of the pushing force of compressed air, the annular sealing rubber sleeve (605) moves away from the surfaces of the air holes (606) to expose the air holes (606).
4. A system for producing soybean dietary fiber using okara as claimed in claim 1, wherein: the feed inlet (805) at the top of the alcohol washing tank (8) extends upwards and expands outwards to form a horn-shaped opening, a shoulder (806) is formed around the feed inlet (805), and cylinder bases of the two hydraulic cylinders (704) are symmetrically arranged on two sides of the feed inlet (805) on the shoulder (806).
5. A system for producing soybean dietary fiber using okara as claimed in claim 1, wherein: the parts of the ethanol injection pipe (802) and the ethanol extraction pipe (801) extending into the ethanol washing tank (8) are located in filter plate frames (803), and the filter plate frames (803) are frame bodies made of filter plates by welding and are used for preventing bean dregs from entering the ethanol injection pipe (802) and the ethanol extraction pipe (801).
6. A system for producing soybean dietary fiber using okara as claimed in claim 1, wherein: the utility model discloses a device for removing waste residue, including a slag melting and acid regulating tank (1), an oxidation and decoloration tank (5), a motor-driven (12) stirring shaft is arranged in each of the slag melting and acid regulating tank (1) and the oxidation and decoloration tank (5), at least one group of stirring blades are distributed on the stirring shaft (12) along the height direction of the stirring shaft, each group of stirring blades comprises at least three blade bars (1204), the blade bars (1204) are positioned in vertical grooves (1201) distributed on the shaft body of the surrounding stirring shaft (12), and the top of each blade bar (1204) is hinged with the top of the corresponding vertical groove (1201), and arc blades (1203) are arranged at the bottom of each blade bar.
7. The system for producing soybean dietary fiber using okara as defined in claim 6, wherein: the central axis of the arc-shaped blade (1203) is parallel to the central axis of the blade rod (1204), the connecting point of the central axis and the central axis is positioned at one side of the arc-shaped blade (1203), annular cutting grooves (1202) corresponding to the number of the stirring blade groups are arranged on the shaft body of the stirring shaft (12), each annular cutting groove (1202) is communicated with all vertical grooves (1201) in one group of stirring blades, and therefore the arc-shaped blade (1203) in the group of stirring blades is positioned in the annular cutting groove (1202).
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| CN201810732891.8A CN108576831B (en) | 2018-07-05 | 2018-07-05 | System for utilize bean dregs to produce soybean dietary fiber |
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| CN201810732891.8A CN108576831B (en) | 2018-07-05 | 2018-07-05 | System for utilize bean dregs to produce soybean dietary fiber |
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| CN112537088B (en) * | 2020-12-04 | 2022-07-22 | 黄冈市吉宏包装有限公司 | Corrugated container board glue recovery unit |
| CN113967658B (en) * | 2021-09-27 | 2022-08-30 | 嘉兴职业技术学院 | Terylene textile secondary recycling treatment device |
| CN114642984A (en) * | 2022-03-04 | 2022-06-21 | 江西万工铝业有限公司 | Process of environment-friendly water-based paint |
| CN116213034B (en) * | 2022-11-22 | 2024-07-12 | 山西五台山天域农业开发有限公司 | Quinoa preprocessing device and technology for quinoa vegetable protein milk product |
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