CN110720545A - Method for improving extraction yield of isolated soy protein - Google Patents
Method for improving extraction yield of isolated soy protein Download PDFInfo
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- CN110720545A CN110720545A CN201911130100.5A CN201911130100A CN110720545A CN 110720545 A CN110720545 A CN 110720545A CN 201911130100 A CN201911130100 A CN 201911130100A CN 110720545 A CN110720545 A CN 110720545A
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- shear
- shearing
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/14—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from leguminous or other vegetable seeds; from press-cake or oil-bearing seeds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Polymers & Plastics (AREA)
- Beans For Foods Or Fodder (AREA)
Abstract
The invention relates to a method for improving the extraction yield of isolated soy protein, which is realized according to the following steps: step 1: disassembling the front end cover of the shear pump by using a wrench, then disassembling the front end cover of the shear pump, the rotor and the stator by using an inner hexagonal wrench, and respectively measuring the tooth pitch of the disassembled shear teeth by using calipers; step 2: calculating the tooth pitch of the teeth needing to be sheared according to the modulus m; and step 3: processing the shearing teeth with the required tooth pitch by a shearing tooth processing device; and 4, step 4: the machined shear teeth are then installed into the shear pump. The pitch of the shearing teeth of the shearing pump between the second extraction and the third extraction is further reduced by changing the pitch of the shearing teeth, and the extraction rate of the soybean protein is improved by utilizing the centrifugal force and the hydraulic action of the stator under the rapid operation of the rotor.
Description
Technical Field
The invention relates to an extraction process of isolated soy protein, in particular to a method for improving the extraction yield of isolated soy protein, belonging to the field of deep processing of soybeans.
Background
The processing of soybean protein is the most potential and promising field in the deep processing of soybeans, and most products are high-technology-content and high-added-value products. The isolated soy protein is a protein product with high nutritive value and has good functional properties including gel property, water retention property, emulsifying property, foaming property and the like. The method is widely applied to the following research directions: adding soybean protein into the staple food and researching the application of the soybean protein; adding soybean protein into meat canned products and researching application technology; development and development of soybean protein films; research and industrial development of the soybean protein functional beverage; research and development of soybean protein puffed functional feed; research and development of producing artificial real silk products by utilizing soybean protein; research and development of soybean protein fine chemical products.
In actual production, the main factor influencing the yield of the isolated soy protein is the extraction process, so that the improvement of the extraction rate becomes the main key point of the production process of the isolated soy protein. The solid phase CP content after the secondary extraction is a key index for measuring the protein extraction effect. At present, the production process of the soybean protein isolate adopts 'alkali dissolution and acid precipitation', only most of 7S and 11S proteins are recovered in the production, the extraction rate is low, the protein loss is caused, and the production cost is directly influenced.
In the existing soybean protein isolate extraction process technology, the content of the CP of the solid-phase bean dregs after secondary alkali adding dissolution extraction is 17-19%, and a centrifugal pump, a rotor pump and a shear pump between a secondary extraction tank and a third extraction tank only play a role in pipeline conveying and control of the liquid level and the overall stability of each tank. But the production yield is only 44-45%; in addition, the processes of ultrafiltration extraction, ion exchange extraction, electro-acidification and the like are complex, the cost is high, and the operation is difficult.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problem of low extraction rate of the soybean protein in the prior art.
Therefore, the technical scheme adopted by the invention is that the method for improving the extraction yield of the isolated soy protein is realized according to the following steps:
step 1: disassembling the front end cover of the shear pump by using a wrench, then disassembling the front end cover of the shear pump, the rotor and the stator by using an inner hexagonal wrench, and respectively measuring the tooth pitch of the disassembled shear teeth by using calipers;
step 2: calculating the tooth pitch of the teeth needing to be sheared according to the modulus m;
and step 3: processing the shearing teeth with the required tooth pitch by a shearing tooth processing device;
and 4, step 4: the machined shear teeth are then installed into the shear pump.
Preferably, in step 2, the pitch is calculated as P ═ m pi, where P is the pitch, m is the modulus, and pi is the circumferential ratio.
A method for improving the extraction yield of soybean protein isolate by using a shearing tooth processing device comprises the following steps:
the top end of the box body is provided with a rotating shaft, and a toothed plate is arranged on the rotating shaft;
the L-shaped supporting arm consists of a horizontal plate and a vertical plate, one end of the vertical plate is fixedly connected with one side of the top end of the box body, the other end of the vertical plate is connected with one end of the horizontal plate, and the other end of the horizontal plate extends to the upper part of the box body;
the hydraulic cylinder is arranged at the bottom end of the horizontal plate, a hydraulic rod of the hydraulic cylinder vertically extends downwards and is provided with a cutter gear, and the hydraulic rod is parallel to the rotating shaft.
Preferably, a driving device is arranged in the box body, and the driving device comprises:
the motor is arranged on the inner wall of the box body, an output shaft of the motor vertically extends downwards and is provided with a first chain wheel;
the rotating shaft is installed on the wall surface of the box body through a bearing, the lower end of the rotating shaft extends into the box body and is provided with a second chain wheel, and the first chain wheel is connected with the second chain wheel through a chain.
Preferably, a limit block is arranged on the rotating shaft and is positioned between the toothed plate and the box body.
Preferably, the cutter gear is in threaded connection with the hydraulic rod, and a fastening nut is arranged at the lower end of the hydraulic rod.
Preferably, four supporting legs are symmetrically arranged at the bottom end of the box body.
Preferably, the bottom end of the supporting leg is provided with a universal wheel.
Preferably, a switch is arranged on the side wall of the box body, and the switch is electrically connected with the motor.
Preferably, the horizontal plate is provided with a sliding block, the bottom end of the sliding block is fixedly connected with the top end of the outer wall of the hydraulic cylinder, the sliding block can slide left and right along the horizontal plate, the horizontal plate is provided with a plurality of threaded holes along the horizontal direction, the outer wall of the sliding block is provided with screws, and the screws penetrate through the sliding block and are installed in the threaded holes.
The technical scheme of the invention has the following advantages: the invention relates to a method for improving the extraction yield of isolated soy protein, which is realized according to the following steps: step 1: disassembling the front end cover of the shear pump by using a wrench, then disassembling the front end cover of the shear pump, the rotor and the stator by using an inner hexagonal wrench, and respectively measuring the tooth pitch of the disassembled shear teeth by using calipers; step 2: calculating the tooth pitch of the teeth needing to be sheared according to the modulus m; and step 3: processing the shearing teeth with the required tooth pitch by a shearing tooth processing device; and 4, step 4: the machined shear teeth are then installed into the shear pump. The pitch of the shearing teeth of the shearing pump between the second extraction and the third extraction is further reduced by changing the pitch of the shearing teeth, and the stator is utilized to carry out strong shearing, centrifugal extrusion, impact fracture, liquid layer friction, uniform and fine turbulence and dispersed emulsification on the materials under the action of centrifugal force and hydraulic force of the rotor running fast. Through reciprocating circulation, the emulsifying effect and the shearing effect are further improved, the original bean dregs are further ground, the dissolution can be further promoted, the extraction effect is improved, the CP of the bean dregs is reduced, and the extraction rate of the soybean protein is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a shearing tooth processing device according to the present invention.
Fig. 2 is a top view of the inventive shear tooth machining apparatus.
Fig. 3 is a schematic structural diagram of the slider in the present invention.
The drawings are numbered as follows: the device comprises a box body 1, a rotating shaft 2, a toothed plate 3, a 4-L-shaped supporting arm 41, a horizontal plate 42, a vertical plate 5, a hydraulic cylinder 6, a hydraulic rod 7, a cutter gear 8, a motor 9, an output shaft 10, a first chain wheel 11, a box-type bottom plate die support 12, a second chain wheel 13, a limiting block 13, a supporting leg 14, a universal wheel 15, a sliding block 16, a threaded hole 17, a screw 18 and a bearing 19.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a method for improving the extraction yield of isolated soy protein, which is realized by the following steps:
step 1: disassembling the front end cover of the shear pump by using a wrench, then disassembling the front end cover of the shear pump, the rotor and the stator by using an inner hexagonal wrench, and respectively measuring the tooth pitch of the disassembled shear teeth, the gap between the rotor and the stator and the outer diameter of the rotor by using calipers;
step 2: calculating a modulus m according to the number of the shearing teeth, the tooth pitch, the current value of a shearing pump, the secondary extraction flow, the CP data of the bean dregs and the resistance, and calculating the tooth pitch of the shearing teeth according to the modulus m;
and step 3: processing the shearing teeth with the required tooth pitch by a shearing tooth processing device;
and 4, step 4: the machined shear teeth are then installed into the shear pump.
Preferably, in step 2, the pitch is calculated as P ═ m pi, where P is the pitch, m is the modulus, and pi is the circumferential ratio.
The beneficial technical effects of the technical scheme are as follows: the pitch of the shearing teeth of the shearing pump between the second extraction and the third extraction is further reduced by changing the pitch of the shearing teeth, and the stator is utilized to carry out strong shearing, centrifugal extrusion, impact fracture, liquid layer friction, uniform and fine turbulence and dispersed emulsification on the materials under the action of centrifugal force and hydraulic force of the rotor running fast. Through reciprocating circulation, the emulsifying effect and the shearing effect are further improved, the original bean dregs are further ground, the dissolution can be further promoted, the extraction effect is improved, the CP of the bean dregs is reduced, and the extraction rate of the soybean protein is improved. The method can reduce the CP of the soybean dregs by 3-4 percent, stably control the CP of the soybean dregs to be below 16 percent, improve the extraction rate of the soybean protein by 10 percent on the original basis, stabilize the extraction rate to be above 55.5 percent, have simple process and can reduce the production cost.
A shearing tooth processing device is applied to a method for improving the extraction yield of soy protein isolate, and as shown in figures 1-2, the shearing tooth processing device comprises:
the refrigerator comprises a refrigerator body 1, wherein a rotating shaft 2 is arranged at the top end of the refrigerator body 1, and a toothed plate 3 is arranged on the rotating shaft 2;
the L-shaped support arm 4 is composed of a horizontal plate 41 and a vertical plate 42, one end of the vertical plate 42 is fixedly connected with one side of the top end of the box body 1, the other end of the vertical plate 42 is connected with one end of the horizontal plate 41, and the other end of the horizontal plate 41 extends to the upper part of the box body 1;
the hydraulic cylinder 5 is arranged at the bottom end of the horizontal plate 41, a hydraulic rod 6 of the hydraulic cylinder 5 vertically extends downwards and is provided with a cutter gear 7, and the hydraulic rod 6 is parallel to the rotating shaft 2.
The working principle and the beneficial technical effects of the technical scheme are as follows: a cutter gear 7 is mounted on a hydraulic rod 6, then the rotary shaft 2 drives the toothed plate 3 to rotate, the hydraulic cylinder 5 is started, the hydraulic rod 6 pushes the cutter gear 7 to perform gear shaping on the toothed plate 3, the toothed plate 3 rotates, and the toothed plate 3 and the cutter gear 7 are in meshing transmission, so that the toothed plate 3 is machined into shearing teeth with required tooth pitch; the L-shaped support arm 4 serves to support the hydraulic cylinder 5 above the tank 1. The processed shearing teeth are arranged in the shearing pump, the tooth pitch of the shearing teeth of the shearing pump is further reduced, and the stator is used for strongly shearing, centrifugally extruding, impacting and breaking, liquid layer friction, uniform and fine turbulence and dispersed emulsification under the action of centrifugal force and hydraulic force of the rotor running fast. Through reciprocating circulation, the emulsifying effect and the shearing effect are further improved, the original bean dregs are further ground, the dissolution can be further promoted, and the extraction rate of the soybean protein is improved.
In one embodiment, a driving device is disposed in the box body 1, and the driving device includes:
the motor 8 is arranged on the inner wall of the box body 1, an output shaft 9 of the motor 8 vertically extends downwards, and a first chain wheel 10 is installed;
the rotating shaft 2 is installed on the wall surface of the box body 1 through a bearing 19, the lower end of the rotating shaft 2 extends into the box body 1 and is provided with a second chain wheel 11, and the first chain wheel 10 is connected with the second chain wheel 11 through a chain 12.
The working principle and the beneficial technical effects of the technical scheme are as follows: the motor 8 drives the first chain wheel 10 to rotate, the first chain wheel 10 is driven to rotate through the transmission of the chain 12, and the first chain wheel 10 drives the toothed plate 3 to rotate so as to process shearing teeth. The transmission precision of the chain and the chain wheel is high, so that the machining precision of the shearing teeth is greatly improved.
In one embodiment, the rotating shaft 2 is provided with a limit block 13, and the limit block 13 is located between the toothed plate 3 and the box body 1.
The working principle and the beneficial technical effects of the technical scheme are as follows: the limiting block 13 can prevent the toothed plate 3 from moving downwards and crushing the bearing.
In one embodiment, the cutter gear 7 is in threaded connection with the hydraulic rod 6, and the lower end of the hydraulic rod 6 is provided with a fastening nut.
The working principle and the beneficial technical effects of the technical scheme are as follows: the fastening nut can be used for firmly fixing the cutter gear 7 on the hydraulic rod 6, and the cutter gear 7 is prevented from loosening during machining to influence machining precision.
In one embodiment, four support legs 14 are symmetrically arranged at the bottom end of the box body 1.
The working principle and the beneficial technical effects of the technical scheme are as follows: the support legs 14 serve to support the case 1 such that the case 1 is at a certain height from the ground, thereby preventing the components in the case 1 from being wetted.
In one embodiment, the bottom end of the support leg 14 is provided with a universal wheel 15.
The working principle and the beneficial technical effects of the technical scheme are as follows: the universal wheels 15 facilitate moving and carrying of the device.
In one embodiment, a switch is disposed on a side wall of the box body 1, and the switch is electrically connected to the motor 8.
The working principle and the beneficial technical effects of the technical scheme are as follows: the switch is used for turning on or off the motor 8.
In one embodiment, as shown in fig. 3, a sliding block 16 is disposed on the horizontal plate 41, a bottom end of the sliding block 16 is fixedly connected to a top end of an outer wall of the hydraulic cylinder 5, the sliding block 16 can slide left and right along the horizontal plate 41, a plurality of threaded holes 17 are horizontally disposed on the horizontal plate 41, a screw 18 is disposed on an outer wall of the sliding block 16, and the screw 18 passes through the sliding block 16 and is installed in the threaded hole 17.
The working principle and the beneficial technical effects of the technical scheme are as follows: when the position of the cutter gear 7 in the horizontal direction needs to be adjusted, the movable sliding block 16 moves on the horizontal plate 41, after the position is moved to the required position, the screw 18 is screwed into the corresponding threaded hole 17, so that the sliding block 16 is fixed, and then the hydraulic cylinder 5 is started to process the shearing teeth. Because the sliding block can conveniently move on the horizontal plate, the displacement of the cutter gear 7 in the horizontal direction is adjusted, and therefore the cutting teeth with different sizes are machined.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The method for improving the extraction yield of the isolated soy protein is characterized by comprising the following steps of:
step 1: disassembling the front end cover of the shear pump by using a wrench, then disassembling the front end cover of the shear pump, the rotor and the stator by using an inner hexagonal wrench, and respectively measuring the tooth pitch of the disassembled shear teeth by using calipers;
step 2: calculating the tooth pitch of the teeth needing to be sheared according to the modulus m;
and step 3: processing the shearing teeth with the required tooth pitch by a shearing tooth processing device;
and 4, step 4: the machined shear teeth are then installed into the shear pump.
2. The method as claimed in claim 1, wherein the pitch is calculated as P-m pi in step 2, wherein P is pitch, m is modulus, and pi is circumferential ratio.
3. A method for improving the extraction yield of isolated soy protein by using a shearing tooth processing device is characterized in that the shearing tooth processing device comprises:
the gear box comprises a box body (1), wherein a rotating shaft (2) is arranged at the top end of the box body (1), and a toothed plate (3) is arranged on the rotating shaft (2);
the L-shaped supporting arm (4) is composed of a horizontal plate (41) and a vertical plate (42), one end of the vertical plate (42) is fixedly connected with one side of the top end of the box body (1), the other end of the vertical plate (42) is connected with one end of the horizontal plate (41), and the other end of the horizontal plate (41) extends to the upper part of the box body (1);
the hydraulic cylinder (5) is arranged at the bottom end of the horizontal plate (41), a hydraulic rod (6) of the hydraulic cylinder (5) vertically extends downwards and is provided with a cutter gear (7), and the hydraulic rod (6) is parallel to the rotating shaft (2).
4. A shear tooth machining device as claimed in claim 3, wherein a drive means is provided within the housing (1), the drive means comprising:
the motor (8) is arranged on the inner wall of the box body (1), an output shaft (9) of the motor (8) vertically extends downwards and is provided with a first chain wheel (10);
the utility model discloses a chain wheel, including box (1), pivot (2) and second sprocket (11), pivot (2) are installed through bearing (19) on the box (1) wall, pivot (2) lower extreme extends to in the box (1) to install second sprocket (11), first sprocket (10) with second sprocket (11) are connected through chain (12).
5. A cutting tooth machining device according to claim 3, characterized in that a limit block (13) is arranged on the rotating shaft (2), and the limit block (13) is located between the toothed plate (3) and the box body (1).
6. A shear tooth machining device according to claim 3, characterized in that the tool gear (7) is threadedly connected to the hydraulic rod (6), and the hydraulic rod (6) is provided at its lower end with a fastening nut.
7. A cutting tooth machining device according to claim 3, characterized in that four support legs (14) are symmetrically arranged at the bottom end of the box body (1).
8. A shear tooth machining device according to claim 7, characterized in that the bottom end of the support leg (14) is provided with a universal wheel (15).
9. A cutting tooth machining device according to claim 3, characterized in that a switch is provided on the side wall of the housing (1), said switch being electrically connected to the motor (8).
10. A shear tooth processing device according to claim 3, wherein a sliding block (16) is arranged on the horizontal plate (41), the bottom end of the sliding block (16) is fixedly connected with the top end of the outer wall of the hydraulic cylinder (5), the sliding block (16) can slide left and right along the horizontal plate (41), a plurality of threaded holes (17) are arranged on the horizontal plate (41) along the horizontal direction, a screw (18) is arranged on the outer wall of the sliding block (16), and the screw (18) passes through the sliding block (16) and is installed in the threaded hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130100.5A CN110720545A (en) | 2019-11-18 | 2019-11-18 | Method for improving extraction yield of isolated soy protein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130100.5A CN110720545A (en) | 2019-11-18 | 2019-11-18 | Method for improving extraction yield of isolated soy protein |
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| CN110720545A true CN110720545A (en) | 2020-01-24 |
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| CN201911130100.5A Pending CN110720545A (en) | 2019-11-18 | 2019-11-18 | Method for improving extraction yield of isolated soy protein |
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| CN101185982A (en) * | 2006-11-07 | 2008-05-28 | 利布赫尔齿加工技术有限公司 | Gear shaping machine and method for manufacturing or processing gear wheel |
| CN205032262U (en) * | 2015-10-16 | 2016-02-17 | 广州市艺德磁电科技有限公司 | A high shear dispersed emulsion machine for kaolin is modified to be reinforceed |
| CN205629554U (en) * | 2016-04-12 | 2016-10-12 | 绍兴文理学院 | Gear machining machine tool |
| CN206415717U (en) * | 2016-11-16 | 2017-08-18 | 慈溪市劲马动力机械有限公司 | A kind of single driving synchronization gear shapping machine |
| CN107530802A (en) * | 2015-09-28 | 2018-01-02 | 三菱重工工作机械株式会社 | Gear cutting machine and method |
| CN109096362A (en) * | 2018-08-27 | 2018-12-28 | 克东禹王大豆蛋白食品有限公司 | A method of it reducing protein isolate two and extracts bean dregs crude protein |
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2019
- 2019-11-18 CN CN201911130100.5A patent/CN110720545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185982A (en) * | 2006-11-07 | 2008-05-28 | 利布赫尔齿加工技术有限公司 | Gear shaping machine and method for manufacturing or processing gear wheel |
| CN107530802A (en) * | 2015-09-28 | 2018-01-02 | 三菱重工工作机械株式会社 | Gear cutting machine and method |
| CN205032262U (en) * | 2015-10-16 | 2016-02-17 | 广州市艺德磁电科技有限公司 | A high shear dispersed emulsion machine for kaolin is modified to be reinforceed |
| CN205629554U (en) * | 2016-04-12 | 2016-10-12 | 绍兴文理学院 | Gear machining machine tool |
| CN206415717U (en) * | 2016-11-16 | 2017-08-18 | 慈溪市劲马动力机械有限公司 | A kind of single driving synchronization gear shapping machine |
| CN109096362A (en) * | 2018-08-27 | 2018-12-28 | 克东禹王大豆蛋白食品有限公司 | A method of it reducing protein isolate two and extracts bean dregs crude protein |
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Application publication date: 20200124 |