Novel protein separation and extraction device

Abstract

The utility model discloses a novel protein separation and extraction device which comprises a crushing mechanism and a separation mechanism, and the separation mechanism is arranged at the lower part of the crushing mechanism; the crushing mechanism comprises a first-stage cutting part, a second-stage crushing part and a third-stage grinding part which are sequentially arranged from top to bottom; the first-stage cutting part, the second-stage crushing part and the third-stage grinding part are communicated in sequence; a feeding opening is formed in the upper surface of the first-stage cutting part, and the crushing particle size of the second-stage crushing part is smaller than that of the first-stage cutting part. According to the utility model, three stages of grinding parts are arranged, and the plurality of grinding rollers are uniformly distributed on the driving shaft, so that intermittent grinding of materials is realized under the rotation action of the driving shaft, and the temperature in the grinding cavity is prevented from rising due to heat generated by high-speed friction between the grinding rollers and the grinding disc as well as between the grinding rollers and the materials; the temperature in the grinding cavity can be better stabilized, and a stable operation environment is provided for separation and extraction of vegetable protein.

Description

Technical Field

[0001] The utility model relates to the technical field of plant protein processing, in particular to a novel protein separation and extraction device. Background Art

[0002] Plant protein has attracted much attention for its rich content and wide application fields. These valuable proteins not only provide important raw materials for the food and feed industries, but are also widely used in the fields of medicine and nutritional products. In order to meet the growing production needs, the extraction technology of plant protein is particularly important. The protein extraction work is the process of placing the processed or broken cells in certain conditions and solutions to fully release the extract.

[0003] Prior art CN 209816003 U discloses a protein extraction device, including a separation box, a driving motor is arranged at the middle position of the top outer wall of the crushing box, the output shaft of the driving motor is provided with a rotating rod, and the top of the rotating rod near the outer wall is provided with active crushing knives distributed in an annular manner at equal distances, and the top of the crushing box near the inner wall is provided with auxiliary crushing knives distributed in an annular manner at equal distances. The plant body is fully ground with a grinding belt, a phosphate buffer is used to reduce the change in the pH value in the extract to prevent the activity of the protein from being changed, the extract is ultracentrifuged, and the effect of the vibration motor is cooperated to improve the extraction efficiency of the filter screen for protein.

[0004] However, the above-mentioned existing technologies still have the problem of high heat after grinding. The generated heat cannot be controlled in time, which will cause the plant protein to undergo denaturation, pH value changes, oxidation reactions and other adverse effects, change the chemical properties and biological activity of the plant protein, and affect subsequent research and use.

[0005] Therefore, it is necessary to provide a novel protein separation and extraction device to solve the above-mentioned technical problems. Summary of the invention

[0006] The utility model overcomes the shortcomings of the prior art and provides a novel protein separation and extraction device.

[0007] In order to achieve the above-mentioned object, the technical solution adopted by the utility model is: a novel protein separation and extraction device, comprising: a crushing mechanism and a separation mechanism, wherein the separation mechanism is arranged at the lower part of the crushing mechanism;

[0008] The crushing mechanism comprises: a primary cutting part, a secondary crushing part and a tertiary grinding part arranged in sequence from top to bottom; the primary cutting part, the secondary crushing part and the tertiary grinding part are connected in sequence; a feeding port is arranged on the upper surface of the primary cutting part, and the crushed particle size of the secondary crushing part is smaller than that of the primary cutting part;

[0009] The three-stage grinding part comprises: a grinding chamber, a driving shaft and a grinding disc arranged in the grinding chamber, a plurality of connecting rods arranged on the outer surface of the driving shaft, a grinding roller arranged on the surface of the connecting rod, and a cooling mechanism; the grinding disc is arranged at the bottom of the grinding chamber, and the outer surface of the driving shaft is rotatably connected to the grinding disc;

[0010] The cooling mechanism comprises: a cooling water tank, a water guide groove arranged in the driving shaft and the connecting rod, a reflux groove arranged outside the grinding chamber, and a cold water pipe for connecting the cooling water tank, the water guide groove and the reflux groove; the driving shaft is connected to the water guide groove in the connecting rod;

[0011] The separation mechanism comprises: a stirring device arranged at the lower side of the grinding disc, and a filter screen arranged at the lower part of the stirring device; a collecting pipe is arranged at the lower side of the filter screen.

[0012] In a preferred embodiment of the utility model, the primary cutting part comprises: a first servo motor, and a plurality of cutting rollers arranged at the output end of the first servo motor; the axial direction of the cutting rollers is arranged along the horizontal direction.

[0013] In a preferred embodiment of the utility model, the secondary crushing part includes: a second servo motor, and a plurality of crushing rollers arranged at the output end of the second servo motor; the crushing rollers are axially arranged in a horizontal direction, and the crushing rollers are arranged directly below the cutting rollers.

[0014] In a preferred embodiment of the present invention, the crushing particle size of the crushing roller is smaller than that of the cutting roller.

[0015] In a preferred embodiment of the utility model, the three-stage grinding section also includes a third servo motor, which is arranged outside the grinding chamber, and the output end of the third servo motor is provided with a first bevel gear, and the upper end of the driving shaft is provided with a second bevel gear, and the first bevel gear is meshingly connected with the second bevel gear.

[0016] In a preferred embodiment of the present invention, the three-stage grinding part further includes a liquid inlet, which is arranged on the side wall of the grinding chamber and is higher than the grinding roller.

[0017] In a preferred embodiment of the utility model, the liquid introduced into the liquid inlet is buffer solution and water.

[0018] In a preferred embodiment of the present invention, a plurality of sieve holes are provided on the surface of the grinding disc.

[0019] In a preferred embodiment of the present invention, the connecting rods are equidistantly distributed around the driving shaft, and the grinding roller is sleeved on the outside of the connecting rods.

[0020] In a preferred embodiment of the utility model, a plurality of scrapers are arranged on the outer surface of the driving shaft, and the scrapers are arranged obliquely, and the inclination angle is 30 to 60 degrees.

[0021] The utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0022] (1) The utility model provides a novel protein separation and extraction device, which is provided with a crushing mechanism, wherein a primary cutting part, a secondary crushing part and a tertiary grinding part are arranged in sequence from top to bottom, and the material is coarsely crushed, finely crushed and ground into powder in sequence, thereby achieving complete crushing of the material, which is helpful for the release of the target protein, and each crushing level is connected in sequence, which can realize continuous processing of the material and improve the efficiency of the extraction process.

[0023] (2) The utility model is provided with a three-stage grinding section. A plurality of grinding rollers are evenly distributed on the driving shaft. Under the rotation of the driving shaft, intermittent grinding of the material is realized, thereby preventing the heat generated by the high-speed friction between the grinding rollers and the grinding disc, and between the grinding rollers and the material from causing the temperature in the grinding chamber to rise. Compared with the prior art, the utility model can better stabilize the temperature in the grinding chamber and provide a stable operating environment for the separation and extraction of plant protein.

[0024] (3) The utility model is provided with a cooling mechanism, including: a cooling water tank, a water guide groove arranged in the driving shaft and the connecting rod, a reflux groove arranged outside the grinding chamber, and a cold water pipe for connecting the cooling water tank, the water guide groove and the reflux groove, and the driving shaft is connected to the water guide groove in the connecting rod. The cooling water can return to the cooling water tank along the circulation path of the cooling water tank, the cooling water pipe, the water guide groove, the reflux groove, and then back to the cooling water tank. The water guide groove performs heat exchange inside the grinding chamber, and the reflux groove is arranged outside the grinding chamber for heat exchange, so as to absorb and dissipate the heat generated by the grinding work in the grinding chamber, further control the temperature in the grinding chamber, and provide a stable operating environment for the separation and extraction of plant protein. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0026] Figure 1 It is a front view structural diagram of a preferred embodiment of the utility model;

[0027] Figure 2 It is a three-dimensional structural diagram of a preferred embodiment of the utility model;

[0028] Figure 3 This is a three-dimensional structural diagram of the grinding chamber of the preferred embodiment of the utility model;

[0029] Figure 4 It is a cross-sectional view of the grinding chamber of the preferred embodiment of the utility model;

[0030] Figure 5 It is a schematic diagram of the cooling mechanism structure of a preferred embodiment of the utility model;

[0031] In the figure: 100, crushing mechanism; 110, primary cutting part; 120, secondary crushing part; 130, tertiary grinding part; 140, feeding port; 150, cooling mechanism; 131, grinding chamber; 132, driving shaft; 133, grinding disc; 134, connecting rod; 135, grinding roller; 136, liquid inlet; 137, scraper; 151, cooling water tank; 152, water guide trough; 153, reflux trough; 154, cooling water pipe; 200, separation mechanism; 210, stirring device; 220, filter screen; 230, collecting pipe. DETAILED DESCRIPTION

[0032] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0033] like Figure 1 As shown, a novel protein separation and extraction device comprises: a crushing mechanism 100 and a separation mechanism 200 , wherein the separation mechanism 200 is arranged at the lower part of the crushing mechanism 100 .

[0034] like Figure 2 As shown, the crushing mechanism 100 includes: a primary cutting part 110, a secondary crushing part 120 and a tertiary grinding part 130 arranged in sequence from top to bottom; the primary cutting part 110, the secondary crushing part 120 and the tertiary grinding part 130 are connected in sequence; a feeding port 140 is provided on the upper surface of the primary cutting part 110, and the crushing particle size of the secondary crushing part 120 is smaller than that of the primary cutting part 110.

[0035] The utility model provides a novel protein separation and extraction device, which is provided with a crushing mechanism 100, a primary cutting part 110, a secondary crushing part 120 and a tertiary grinding part 130 which are arranged in sequence from top to bottom, and the material is coarsely crushed, finely crushed and ground into powder in sequence, so as to achieve complete crushing of the material, which is helpful for the release of the target protein, and each crushing level is connected in sequence, so as to achieve continuous processing of the material and improve the efficiency of the extraction process.

[0036] like Figure 3 As shown, the three-stage grinding section 130 includes: a grinding chamber 131, a driving shaft 132 and a grinding disc 133 arranged in the grinding chamber 131, a plurality of connecting rods 134 arranged on the outer surface of the driving shaft 132, a grinding roller 135 arranged on the surface of the connecting rod 134, and a cooling mechanism 150; the grinding disc 133 is arranged at the bottom of the grinding chamber 131, and the outer surface of the driving shaft 132 is rotatably connected to the grinding disc 133.

[0037] The circumferential surface of the grinding disc 133 is fixedly connected to the inner wall of the grinding chamber 131 , and a plurality of sieve holes are provided on the surface of the grinding disc 133 . The grinding chamber 131 is connected to the separation mechanism 200 through the sieve holes. The material is ground into powder in the grinding chamber 131 and enters the separation mechanism 200 through the sieve holes.

[0038] It is worth noting that a material guide pipe is provided between the bottom of the secondary pulverizing section 120 and the upper surface of the grinding chamber 131 , which is responsible for conveying the crushed materials passing through the secondary pulverizing section 120 to the inside of the grinding chamber 131 .

[0039] The three-stage grinding part 130 in this embodiment also includes a third servo motor, which is arranged outside the grinding chamber 131. The output end of the third servo motor is provided with a first bevel gear, and the upper end of the driving shaft 132 is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear. The utility model drives the driving shaft 132 to rotate through the transmission of the third servo motor, the first bevel gear and the second bevel gear, and then drives the grinding roller 135 to rotate around the driving shaft 132 in the grinding chamber 131 to achieve grinding of the material.

[0040] The three-stage grinding section 130 in this embodiment also includes a liquid inlet 136, which is arranged on the side wall of the grinding chamber 131 and is higher than the grinding roller 135. The liquid introduced into the liquid inlet 136 is a buffer solution and water; the buffer solution is preferably a phosphate buffer solution. During the grinding process of the material, the phosphate buffer solution is used to reduce the large changes in the pH value in the extract, prevent the activity of the protein from being changed, and improve the purity of the protein extraction.

[0041] In this embodiment, the connecting rods 134 are equidistantly distributed around the driving shaft 132 , and the grinding rollers 135 are sleeved on the outside of the connecting rods 134 , that is, the grinding rollers 135 rotate around the axis of the connecting rods 134 .

[0042] The outer surface of the driving shaft 132 in this embodiment is provided with a plurality of scrapers 137, and the scrapers 137 are inclined at an angle of 30 to 60 degrees. The scrapers 137 are arranged close to the surface of the driving shaft 132, and can scrape the material close to the surface of the driving shaft 132 into the grinding area of ​​the grinding roller 135 during the rotation of the driving shaft 132, thereby avoiding the occurrence of grinding dead angles.

[0043] The utility model is provided with a three-stage grinding section 130, and a plurality of grinding rollers 135 are evenly distributed on a driving shaft 132. Under the rotation of the driving shaft 132, intermittent grinding of the material is achieved, so that the heat generated by the high-speed friction between the grinding rollers 135 and the grinding disc 133, and between the grinding rollers 135 and the material does not cause the temperature in the grinding chamber 131 to increase. Compared with the prior art, the temperature in the grinding chamber 131 can be better stabilized, thereby providing a stable operating environment for the separation and extraction of plant protein.

[0044] like Figure 4 and Figure 5 As shown, the cooling mechanism 150 includes: a cooling water tank 151, a water guide groove 152 arranged in the driving shaft 132 and the connecting rod 134, a reflux groove 153 arranged on the outside of the grinding chamber 131, and a cold water pipe for connecting the cooling water tank 151, the water guide groove 152 and the reflux groove 153; the driving shaft 132 is connected to the water guide groove 152 in the connecting rod 134; the water guide groove 152 on the driving shaft 132 is connected to the cooling water pipe 154 using a rotating joint, and the transmission of cooling water is not affected during the rotation of the driving shaft 132.

[0045] It is worth mentioning that a water pump is provided on the cooling water tank 151. The water pump draws water from the cooling water tank 151, and transports it to the water guide groove 152 of the driving shaft 132 through the cooling water pipe 154, and then enters the water guide groove 152 in the connecting rod 134 respectively, and then flows into the reflux groove 153, and finally flows back to the cooling water tank 151 through the cooling water pipe 154 connected to the bottom of the reflux groove 153, thereby realizing the circulation of cooling water.

[0046] The utility model is provided with a cooling mechanism 150, including: a cooling water tank 151, a water guide groove 152 arranged in the driving shaft 132 and the connecting rod 134, a reflux groove 153 arranged outside the grinding chamber 131, and a cold water pipe for connecting the cooling water tank 151, the water guide groove 152 and the reflux groove 153, and the driving shaft 132 is connected with the water guide groove 152 in the connecting rod 134. The cooling water can return to the cooling water tank 151 along the circulation path of the cooling water tank 151, the cooling water pipe 154, the water guide groove 152, the reflux groove 153, and then return to the cooling water tank 151. The water guide groove 152 performs heat exchange inside the grinding chamber 131, and the reflux groove 153 is arranged outside the grinding chamber 131 for heat exchange, so as to absorb and dissipate the heat generated by the grinding work in the grinding chamber 131, further control the temperature in the grinding chamber 131, and provide a stable operating environment for the separation and extraction of plant protein.

[0047] The separation mechanism 200 in this embodiment includes: a stirring device 210 disposed at the lower side of the grinding disc 133 , and a filter screen 220 disposed at the lower part of the stirring device 210 ; a collecting pipe 230 is disposed at the lower side of the filter screen 220 .

[0048] The primary cutting part 110 in this embodiment includes: a first servo motor, and a plurality of cutting rollers arranged at the output end of the first servo motor; the axial direction of the cutting rollers is arranged in a vertical direction, and a plurality of cutting blades are arranged on the surface of the cutting rollers. The cutting device in the prior art can complete the preliminary cutting of the material. This is the prior art and will not be elaborated here.

[0049] The secondary crushing section 120 in this embodiment includes: a second servo motor, and a plurality of crushing rollers arranged at the output end of the second servo motor; the crushing rollers are axially arranged in the horizontal direction, and the crushing rollers are arranged directly below the cutting rollers; preferably, the two crushing rollers are arranged in parallel, and the material is crushed from the gap between the two crushing rollers to achieve a smaller crushing particle size. This is the prior art and will not be elaborated here.

[0050] The number of the second servo motor can be one, which drives the two crushing rollers to rotate through a chain and sprocket combination transmission. The number of the second servo motor can also be two, which are directly connected to the two crushing rollers respectively. This is the prior art and will not be described in detail here.

[0051] The crushing roller in this embodiment has a smaller crushing particle size than the cutting roller, and the raw material is crushed progressively to gradually become finer crushed materials.

[0052] When the utility model is used, the plant body is first poured into the feeding port 140, and the plant body is firstly coarsely crushed by the cutting part, and then enters the secondary crushing part 120 for fine crushing, and then enters the tertiary grinding part 130 for grinding. The third servo motor drives the driving shaft 132 to rotate through the meshing of the first bevel gear and the second bevel gear. The rotation of the driving shaft 132 drives the connecting rod 134 to rotate, that is, drives the grinding roller 135 to rotate to intermittently grind the material on the surface of the grinding disk 133. After grinding, the raw materials are collected into the guide pipe through the sieve holes, enter the stirring device 210 for stirring, and then the extract is filtered through the filter screen 220, so as to achieve protein separation and extraction.

[0053] Furthermore, during the grinding process, the cooling water returns to the cooling water tank 151 along the circulation path of the cooling water tank 151, the cooling water pipe 154, the water guide groove 152, the reflux groove 153, and the water guide groove 152 performs heat exchange inside the grinding chamber 131, while the reflux groove 153 is arranged outside the grinding chamber 131 for heat exchange, thereby absorbing and dissipating the heat generated by the grinding work in the grinding chamber 131 and controlling the temperature inside the grinding chamber 131.

[0054] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A novel protein separation and extraction device, comprising: A crushing mechanism (100) and a separation mechanism (200), characterized in that: the separation mechanism (200) is arranged at the lower part of the crushing mechanism (100); The crushing mechanism (100) comprises: a primary cutting part (110), a secondary crushing part (120) and a tertiary grinding part (130) which are arranged in sequence from top to bottom; the primary cutting part (110), the secondary crushing part (120) and the tertiary grinding part (130) are connected in sequence; a feeding port (140) is arranged on the upper surface of the primary cutting part (110); and the crushed particle size of the secondary crushing part (120) is smaller than that of the primary cutting part (110); The three-stage grinding section (130) comprises: a grinding chamber (131), a driving shaft (132) and a grinding disc (133) arranged in the grinding chamber (131), a plurality of connecting rods (134) arranged on the outer surface of the driving shaft (132), a grinding roller (135) arranged on the surface of the connecting rod (134), and a cooling mechanism (150); the grinding disc (133) is arranged at the bottom of the grinding chamber (131), and the outer surface of the driving shaft (132) is rotatably connected to the grinding disc (133); The cooling mechanism (150) comprises: a cooling water tank (151), a water guide groove (152) arranged in the driving shaft (132) and the connecting rod (134), a reflux groove (153) arranged outside the grinding chamber (131), and a cooling water pipe (154) for connecting the cooling water tank (151), the water guide groove (152) and the reflux groove (153); the driving shaft (132) is in communication with the water guide groove (152) in the connecting rod (134); The separation mechanism (200) comprises: a stirring device (210) arranged at the lower side of the grinding disc (133), a filter screen (220) arranged at the lower part of the stirring device (210); and a collection pipe (230) is arranged at the lower side of the filter screen.

2. A novel protein separation and extraction device according to claim 1, characterized in that: The primary cutting part (110) comprises: a first servo motor, and a plurality of cutting rollers arranged at the output end of the first servo motor; the axial direction of the cutting rollers is arranged along the vertical direction.

3. A novel protein separation and extraction device according to claim 2, characterized in that: The secondary crushing part (120) comprises: a second servo motor, and a plurality of crushing rollers arranged at the output end of the second servo motor; the crushing rollers are arranged axially in the horizontal direction, and the crushing rollers are arranged directly below the cutting rollers.

4. A novel protein separation and extraction device according to claim 3, characterized in that: The crushing roller has a smaller crushing particle size than the cutting roller.

5. A novel protein separation and extraction device according to claim 1, characterized in that: The three-stage grinding section (130) further comprises a third servo motor, which is arranged outside the grinding chamber (131); a first bevel gear is arranged at the output end of the third servo motor; a second bevel gear is arranged at the upper end of the driving shaft (132); the first bevel gear is meshingly connected with the second bevel gear.

6. A novel protein separation and extraction device according to claim 1, characterized in that: The three-stage grinding section (130) further comprises a liquid inlet (136), wherein the liquid inlet (136) is arranged on a side wall of the grinding chamber (131) and is arranged higher than the grinding roller (135).

7. A novel protein separation and extraction device according to claim 6, characterized in that: The liquid introduced into the liquid inlet (136) is buffer solution and water.

8. A novel protein separation and extraction device according to claim 1, characterized in that: The surface of the grinding disc (133) is provided with a plurality of sieve holes.

9. A novel protein separation and extraction device according to claim 1, characterized in that: The connecting rods (134) are equidistantly distributed around the driving shaft (132), and the grinding rollers (135) are sleeved on the outside of the connecting rods (134).

10. A novel protein separation and extraction device according to claim 1, characterized in that: The outer surface of the driving shaft (132) is provided with a plurality of scrapers (137), and the scrapers (137) are arranged obliquely, with an inclination angle of 30 to 60 degrees.

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