CN211721764U

CN211721764U - Screw configuration for preparing peanut protein meat and double-screw extruder

Info

Publication number: CN211721764U
Application number: CN201921835091.5U
Authority: CN
Inventors: 王强; 张金闯; 刘丽; 胡晖; 陈琼玲
Original assignee: Institute of Food Science and Technology of CAAS
Current assignee: Institute of Food Science and Technology of CAAS
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-10-23
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to the technical field of plant protein meat production equipment, and discloses a screw configuration and a double-screw extruder for preparing peanut protein meat, wherein the screw configuration comprises a screw mandrel, and the screw mandrel is sequentially divided into a feeding section, a conveying section, a mixing section, a cooking section, a melting section and a transfer section along the conveying direction; each mandrel section is sleeved with a forward conveying element, and the conveying section, the mixing section, the cooking section and the melting section are also sleeved with forward meshing elements; the cooking section and/or the melting section are/is also sleeved with a reverse conveying element, and the mixing section and/or the cooking section are/is also sleeved with a reverse meshing element. This screw rod configuration is through utilizing multiple screw to make up in different functional segments, forms multistage extrusion effect, is favorable to peanut protein meat fiber structure to form, and the peanut protein meat product of output has the fiber structure that can be compared with chicken breast, and the cellosilk is abundant, and the taste is fine and smooth, and Q plays. The double-screw extruder has a self-cleaning function and can be quickly cleaned.

Description

Screw configuration for preparing peanut protein meat and double-screw extruder

Technical Field

The utility model relates to a plant protein meat production facility technical field especially relates to a screw rod configuration and double screw extruder for preparing peanut protein meat.

Background

The high-moisture extrusion technology can carry out texture recombination on components such as plant protein and the like, and the product has the characteristics of longer fiber length, finer structure, more uniform texture, approach to animal meat and instant eating property. In recent years, vegetable protein meat has received much attention, and therefore, a high-moisture extrusion technique is considered as one of the most potential techniques for preparing vegetable protein meat. The primary apparatus for high moisture extrusion technology is the twin screw extruder, where the screw is the core component. A common modular screw consists of a mandrel and a plurality of helical elements, the arrangement and combination of which on the mandrel is referred to as a screw configuration.

Chinese patent 'a biax extruder for wire drawing albumen' (patent number CN207370007U) discloses a biax extruder for wire drawing albumen, and its technical scheme main points are all equipped with cleaning device on the inner wall in preheating zone, hydration district, curing district and filamentation district, carry out high efficiency clearance to the screw rod of different screw rod configurations of different extrusion sections. Although this patent is an apparatus for preparing a string protein, i.e., a vegetable protein meat, it does not mention a specific screw configuration for the purpose of screw cleaning. Since different screws have different functions, some for mixing and conveying, and some for forming a seal and establishing high pressure. Therefore, the screw configurations required for extrusion texturization of different protein materials are quite different, and no efficient screw configuration for peanut protein meat products exists at present.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a screw rod configuration and double screw extruder for preparing peanut protein meat for solve the unable problem of high-quality peanut protein meat of output of current screw rod configuration.

The embodiment of the utility model provides a screw rod configuration for preparing peanut protein meat, including the screw rod dabber, the screw rod dabber divide into feeding section, transport section, mixing section, section of cooking, melting section and transmission section along direction of delivery in proper order; each mandrel section is sleeved with a forward conveying element, and the conveying section, the mixing section, the cooking section and the melting section are further sleeved with forward meshing elements; the cooking section and/or the melting section are/is also sleeved with a reverse conveying element, and the mixing section and/or the cooking section are/is also sleeved with a reverse meshing element.

Wherein the type of the forward conveying element comprises one or more of R22, R32 and R48.

Wherein the transfer section is provided with R22 forward conveying elements, the feed section, the mixing section, the cooking section and the transfer section are all provided with R32 forward conveying elements, and the feed section and the melting section are all provided with R48 forward conveying elements.

The feeding section is provided with 1-3R 32 forward conveying elements and 1-2R 48 forward conveying elements, the conveying section comprises 3-6R 32 forward conveying elements, the mixing section is provided with 1-2R 32 forward conveying elements, the cooking section is provided with 1-3R 32 forward conveying elements, the melting section is provided with 1-3R 48 forward conveying elements, and the transfer section comprises 3-5R 32 forward conveying elements and 1-2R 22 forward conveying elements.

Wherein the positive engagement element comprises a type R32 × 5 and/or a type R48 × 5.

Wherein the conveying section, the mixing section, the cooking section and the melting section are each provided with R32 x 5 positive engagement elements, and the mixing section and the melting section are each provided with R48 x 5 positive engagement elements.

The conveying section is provided with 1-3R 32 × 5 forward engagement elements, the mixing section is provided with 1-4R 32 × 5 forward engagement elements and 1-2R 48 × 5 forward engagement elements, the cooking section is provided with 1-4R 32 × 5 forward engagement elements, and the melting section is provided with 1-3R 32 × 5 forward engagement elements and 1-2R 48 × 5 forward engagement elements.

Wherein the reverse conveying element comprises L11.

Wherein the reverse engagement element comprises a model number L32 × 5.

The embodiment of the utility model provides a twin-screw extruder for preparing peanut protein meat is still provided, including two above-mentioned screw configurations.

The embodiment of the utility model provides a screw rod configuration and twin-screw extruder for preparing peanut protein meat, wherein the screw rod configuration includes the screw rod dabber, and the screw rod dabber divide into feeding section, transport section, mixing section, section of cooking, melting section and transfer section along direction of delivery in proper order; each mandrel section is sleeved with a forward conveying element, and the conveying section, the mixing section, the cooking section and the melting section are also sleeved with forward meshing elements; the cooking section and/or the melting section are/is also sleeved with a reverse conveying element, and the mixing section and/or the cooking section are/is also sleeved with a reverse meshing element. This screw rod configuration is through utilizing multiple screw to make up in different functional segments, forms multistage extrusion effect, is favorable to peanut protein meat fiber structure to form, and the peanut protein meat product of output has the fiber structure that can be compared with chicken breast, and the cellosilk is abundant, and the taste is fine and smooth, and Q plays. The double-screw extruder has a self-cleaning function and can be quickly cleaned.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a screw configuration for preparing peanut protein meat according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a forward conveying element of type R22 according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a forward feeding element of type R32 according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a forward feeding element of type R48 according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a reverse feed element of type L11 according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a forward engaging element of an embodiment of the present invention, model R32 × 5;

fig. 7 is a schematic structural view of a forward engaging element of an embodiment of the present invention, model R48 × 5;

fig. 8 is a schematic structural view of a reverse engagement element of the embodiment of the present invention, model L32 × 5;

description of reference numerals:

1: a screw mandrel; 2: r22 forward conveying elements; 3: r32 forward conveying elements;

4: r48 forward conveying elements; 5: l11 reverse conveying element; 6: r32 × 5 positive engagement elements;

7: r48 × 5 positive engagement elements; 8: l32 × 5 counter engaging elements;

9: a nut; 10: a feeding section; 20: a conveying section;

30: a mixing section; 40: a cooking section; 50: a melting section;

60: and (5) transmitting the segment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the product parts and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of the upper part, the lower part, the left part and the right part are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

Fig. 1 is a schematic structural diagram of a screw rod configuration for preparing peanut protein meat in the embodiment of the present invention, as shown in fig. 1, the embodiment of the present invention provides a screw rod configuration for preparing peanut protein meat including a screw rod mandrel 1, the screw rod mandrel 1 is divided into six mandrel sections along the conveying direction, and the six mandrel sections are a feeding section 10, a conveying section 20, a mixing section 30, a cooking section 40, a melting section 50 and a transfer section 60 in sequence. Each mandrel section is sleeved with a forward conveying element, and the conveying section 20, the mixing section 30, the cooking section 40 and the melting section 50 are also sleeved with forward meshing elements; the cooking section 40 and/or the melting section 50 are also sheathed with counter-conveying elements and the mixing section 30 and/or the cooking section 40 are also sheathed with counter-engaging elements.

Specifically, the screw mandrel 1 is installed in a barrel of an extruder through threaded connectors at two ends, the screw mandrel 1 is a rotating shaft with a groove (or an external spline) on the outer surface, and keys matched with the groove (or internal splines matched with the external spline) are arranged on the inner wall surfaces of the conveying element and the meshing element so as to be sleeved on the screw mandrel 1, and the tail end of the screw mandrel 1 is fixed by a nut 9. Different mandrel segments are sleeved with elements of different sizes, different types and/or different numbers according to different functions. More specifically, the diameter of the screw mandrel 1 is 20 mm-50 mm, and the ratio of the length to the diameter is 20: 1-30: 1. In a particular embodiment, the screw spindle 1 has a diameter of 36mm and a length to diameter ratio of 24: 1.

Conveying element all adopts threaded component including forward conveying element and reverse conveying element, can be single thread groove, double thread groove or triple thread groove, can also adopt different helical pitches according to the demand. The conveying direction of the forward conveying element is consistent with the extruding direction and is mainly used for conveying and mixing; while the conveying direction of the counter conveying element is opposite to the extrusion direction and serves as a resistance element for forming the seal and establishing the high pressure.

The engaging elements include forward engaging elements and reverse engaging elements, each formed by a plurality of engaging pieces (or cutouts) in the form of a plate, which are staggered at angles generally including 30 °, 45 °, 60 ° and 90 °. The positive engagement element is mainly used for mixing and shearing materials and has conveying capacity. The reverse engaging element is mainly used for increasing the resistance of the forward movement of the material, so that the back pressure is increased, the circulating flow of the material in a high-shear area is increased, and the purposes of strong dispersion and mixing are achieved.

The feeding section 10 functions to feed the powdery material into the barrel of the extruder; the conveying section 20 has the function of stirring the powder material and pushing the powder material forward; the mixing section 30 has a function of uniformly mixing the powdery material with liquid such as water; the cooking section 40 has the function of heating, cooking and shearing the pasty materials; the function of the melting section 50 is to further heat the molten material and extend the material travel time; the transfer section 60 functions to convey the molten material to the end of the barrel of the extruder.

The screw configuration for preparing peanut protein meat provided by the embodiment comprises a screw mandrel, wherein the screw mandrel is sequentially divided into a feeding section, a conveying section, a mixing section, a cooking section, a melting section and a transfer section along a conveying direction; each mandrel section is sleeved with a forward conveying element, and the conveying section, the mixing section, the cooking section and the melting section are also sleeved with forward meshing elements; the cooking section and/or the melting section are/is also sleeved with a reverse conveying element, and the mixing section and/or the cooking section are/is also sleeved with a reverse meshing element. This screw rod configuration is through utilizing multiple screw to make up in different functional segments, forms multistage extrusion effect, is favorable to peanut protein meat fiber structure to form, and the peanut protein meat product of output has the fiber structure that can be compared with chicken breast, and the cellosilk is abundant, and the taste is fine and smooth, and Q plays.

Further, as shown in fig. 1 to 4, the models of the forward conveying elements include one or more of R22, R32, and R48. Specifically, as shown in fig. 2, R22 indicates that the conveying direction of the conveying element is rightward, the lead is 22mm, and the length is 22 mm. As shown in fig. 3, R32 indicates that the conveying direction of the conveying element is rightward, the lead is 32mm, and the length is 32 mm. As shown in fig. 4, R48 indicates that the conveying direction of the conveying element is rightward, the lead is 48mm, and the length is 48 mm.

Further, the transfer section 60 is provided with R22 forward conveying elements 2, the feeding section 10, the mixing section 30, the cooking section 40 and the transfer section 60 are each provided with R32 forward conveying elements 3, and the feeding section 10 and the melting section 50 are each provided with R48 forward conveying elements 4.

Furthermore, the forward conveying element is provided with 1-2R 22 forward conveying elements 2, 9-19R 32 forward conveying elements 3 and 2-5R 48 forward conveying elements 4. Wherein, feeding section 10 is equipped with 1 ~ 3R 32 forward conveying element 3 and 1 ~ 2R 48 forward conveying element 4, carry section 20 and include 3 ~ 6R 32 forward conveying element 3, mixing section 30 is equipped with 1 ~ 2R 32 forward conveying element 3, section 40 of cooking is equipped with 1 ~ 3R 32 forward conveying element 3, melting section 50 is equipped with 1 ~ 3R 48 forward conveying element 4, transfer section 60 includes 3 ~ 5R 32 forward conveying element 3 and 1 ~ 2R 22 forward conveying element 2.

Further, as shown in fig. 1 and 5, the reverse conveying member includes a model number L11. Specifically, L11 indicates that the conveying direction of the conveying element is leftward, with a lead of 22mm and a length of 11 mm. More specifically, the reverse conveying element comprises 2-5L 11 reverse conveying elements 5. Wherein, the cooking section 40 is provided with 1-2L 11 reverse conveying elements 5, and the melting section 50 is provided with 1-3L 11 reverse conveying elements 5.

Further, as shown in fig. 1, 6 and 7, the types of the positive engagement elements include R32 × 5 and/or R48 × 5. Specifically, as shown in fig. 6, R32 × 5 indicates that the direction of the stagger angle of the engaging element is the same as the extrusion direction, and includes 5 engaging pieces, a length of 32mm, and a stagger angle of 45 °. As shown in fig. 7, R48 × 5 indicates that the direction of the stagger angle of the engaging element is the same as the extrusion direction, and includes 5 engaging pieces having a length of 48mm and a stagger angle of 45 °.

Further, the conveying section 20, the mixing section 30, the cooking section 40 and the melting section 50 are each provided with R32 × 5 forward engagement elements 6, and the mixing section 30 and the melting section 50 are each provided with R48 × 5 forward engagement elements 7.

Further, the forward engagement elements include 4 to 14R 32X 5

forward engagement elements

6 and 2 to 4R 48X 5 forward engagement elements 7. Wherein, the conveying section 20 is provided with 1-3R 32 × 5 forward engagement elements 6, the mixing section 30 is provided with 1-4R 32 × 5 forward engagement elements 6 and 1-2R 48 × 5 forward engagement elements 7, the cooking section 40 is provided with 1-4R 32 × 5 forward engagement elements 6, and the melting section 50 is provided with 1-3R 32 × 5 forward engagement elements 6 and 1-2R 48 × 5 forward engagement elements 7.

Further, as shown in fig. 1 and 8, the reverse engagement element includes a model number L32 × 5. Specifically, L32 × 5 indicates that the direction of the stagger angle of the engaging element is opposite to the extrusion direction, and includes 5 engaging pieces with a length of 32mm and a stagger angle of 45 °. More specifically, the reverse engagement element includes 2 to 5L 32 × 5 reverse engagement elements 8. Wherein, the mixing section 30 is provided with 1-2L 32X 5 reverse meshing elements 8, and the cooking section 40 is provided with 1-3L 32X 5 reverse meshing elements 8.

The embodiment of the utility model provides a twin-screw extruder for preparing peanut protein meat still provides, including two above-mentioned screw rod configurations, two screw rod configurations can the syntropy meshing.

As can be seen from the above embodiments, the screw configuration and the twin-screw extruder for preparing peanut protein meat provided by the utility model comprise a screw mandrel, wherein the screw mandrel is sequentially divided into a feeding section, a conveying section, a mixing section, a cooking section, a melting section and a transfer section along the conveying direction; each mandrel section is sleeved with a forward conveying element, and the conveying section, the mixing section, the cooking section and the melting section are also sleeved with forward meshing elements; the cooking section and/or the melting section are/is also sleeved with a reverse conveying element, and the mixing section and/or the cooking section are/is also sleeved with a reverse meshing element. This screw rod configuration is through utilizing multiple screw to make up in different functional segments, forms multistage extrusion effect, is favorable to peanut protein meat fiber structure to form, is particularly useful for high moisture extrusion method preparation peanut protein meat, and the peanut protein meat product of output has the fiber structure that can be compared with chicken breast, and the cellosilk is abundant, and the taste is exquisite, and Q plays. The double-screw extruder has a self-cleaning function and can be quickly cleaned.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A screw configuration for preparing peanut protein meat is characterized by comprising a screw mandrel, wherein the screw mandrel is sequentially divided into a feeding section, a conveying section, a mixing section, a cooking section, a melting section and a transfer section along a conveying direction; each mandrel section is sleeved with a forward conveying element, and the conveying section, the mixing section, the cooking section and the melting section are further sleeved with forward meshing elements; the cooking section and/or the melting section are/is also sleeved with a reverse conveying element, and the mixing section and/or the cooking section are/is also sleeved with a reverse meshing element.

2. Screw configuration for the preparation of peanut protein meat according to claim 1, characterized in that the models of said forward conveying element include one or more of R22, R32 and R48, wherein R22 indicates the conveying direction of said forward conveying element to the right, with a lead of 22mm and a length of 22 mm; r32 represents that the conveying direction of the forward conveying element is rightward, the lead is 32mm, and the length is 32 mm; r48 shows that the conveying direction of the positive conveying element is rightward, the lead is 48mm, and the length is 48 mm.

3. A screw configuration for making peanut protein meat as claimed in claim 2, wherein said transfer section is provided with R22 forward conveying elements, said feed section, said mixing section, said cooking section and said transfer section are each provided with R32 forward conveying elements, and said feed section and said melting section are each provided with R48 forward conveying elements.

4. A screw configuration for preparing peanut protein meat as claimed in claim 3, wherein said feed section is provided with 1-3R 32 forward conveying elements and 1-2R 48 forward conveying elements, said conveying section is provided with 3-6R 32 forward conveying elements, said mixing section is provided with 1-2R 32 forward conveying elements, said cooking section is provided with 1-3R 32 forward conveying elements, said melting section is provided with 1-3R 48 forward conveying elements, said transfer section is provided with 3-5R 32 forward conveying elements and 1-2R 22 forward conveying elements.

5. Screw configuration for the preparation of peanut protein meat according to claim 1, characterized in that said positive engagement element has a model number comprising R32 x 5 and/or R48 x 5, wherein R32 x 5 indicates that the direction of the angle of intersection of said positive engagement element is the same as the extrusion direction, comprising 5 engagement blocks, with a length of 32mm and an angle of intersection of 45 °; r48 × 5 indicates that the direction of the stagger angle of the positive engaging element is the same as the extrusion direction, and includes 5 engaging pieces with a length of 48mm and a stagger angle of 45 °.

6. Screw configuration for the preparation of peanut protein meat according to claim 5, characterized in that said conveying section, said mixing section, said cooking section and said melting section are each provided with R32 x 5 positive engagement elements, said mixing section and said melting section are each provided with R48 x 5 positive engagement elements.

7. A screw configuration for making peanut protein meat as claimed in claim 5, wherein said conveying section is provided with 1-3R 32 x 5 forward engaging elements, said mixing section is provided with 1-4R 32 x 5 forward engaging elements and 1-2R 48 x 5 forward engaging elements, said cooking section is provided with 1-4R 32 x 5 forward engaging elements, and said melting section is provided with 1-3R 32 x 5 forward engaging elements and 1-2R 48 x 5 forward engaging elements.

8. Screw configuration for the preparation of peanut protein meat according to claim 1, characterized in that the model of the reverse conveying element comprises L11, wherein L11 indicates that the conveying direction of the reverse conveying element is to the left, with a lead of 22mm and a length of 11 mm.

9. Screw configuration for the preparation of peanut protein meat according to claim 1, characterized in that said counter-engagement element has a size comprised of L32 x 5, wherein L32 x 5 indicates that the direction of the angle of intersection of the counter-engagement element is opposite to the extrusion direction, comprising 5 engagement blocks, with a length of 32mm and an angle of intersection of 45 °.

10. A twin screw extruder for preparing peanut protein meat comprising two screw configurations as claimed in any one of claims 1 to 9.