CN113180138B - Puffing extrusion equipment based on vegetable protein dried scallop sauce preparation - Google Patents

Abstract

The invention relates to puffing and extruding equipment based on preparation of vegetable protein shredded dried scallop sauce, and relates to the technical field of food processing. The invention relates to puffing and extruding equipment based on preparation of vegetable protein shredded dry scallop sauce, which comprises a double-screw puffing mechanism, a heating wire and a steam engine, wherein the double-screw puffing mechanism is used for mixing pea protein isolate and soybean protein isolate and puffing and extruding into a fiber structure; the ultrasonic detector is used for detecting the fineness of the vegetable protein fibers; a glossiness measuring instrument for measuring the glossiness of the vegetable protein fiber; the controller is used for adjusting the working condition of the double-screw puffing mechanism according to the fineness and the glossiness of the fibers, so that a fine and flexible protein fiber structure is achieved, and the quality of the prepared dried scallop sauce is improved.

Description

Puffing extrusion equipment based on vegetable protein dried scallop sauce preparation

Technical Field

The invention relates to the technical field of food processing, in particular to puffing and extruding equipment based on preparation of vegetable protein shredded dried scallop sauce.

Background

In recent years, under the condition of serious shortage of animal protein supply, plant protein taking high-protein plants such as soybean or peanut as main sources provides an important development direction for improving human dietary structure and providing high-protein nutritional food. When various protein products are produced using vegetable proteins, for example, vegetarian meat, bean products, and the like, it is necessary to first organize the vegetable proteins to form tissue proteins, and then process them into various products as necessary.

The existing dried scallop silk produced by vegetable protein raw materials usually takes soybean protein isolate, low-temperature soybean meal, wheat gluten and corn starch as main raw materials, and the product has large beany flavor; the existing raw materials for producing the dried scallop shreds are all produced by adopting dry-method extrusion equipment, the raw materials have fibrous feel after rehydration, but the fibrous feel of meat is soft and cannot be similar to the toughness and chewing feel of the dried scallop shreds, when the prepared dried scallop shred products are used for making sauce, the existing plant protein fibers have poor water retention property, are easy to dehydrate in a boiling process to cause fiber breakage, so that a product screw rod is not strong, and on the other hand, the existing plant protein dried scallop shred fibers have insufficient toughness, so that the product is easy to be sticky due to much water in the product after high-temperature sterilization, and has little moisture to generate slag feel, so that the quality of the prepared dried scallop sauce is not high.

Disclosure of Invention

Therefore, the invention provides puffing and extruding equipment based on vegetable protein dried scallop sauce preparation, which is used for overcoming the problem that the quality of prepared dried scallop shreds is not high due to excessive extrusion during the preparation of protein fibers in the prior art.

In order to achieve the above objects, the present invention provides a puffing and extruding apparatus for preparing a vegetable protein-based kauri paste, comprising:

the double-screw puffing mechanism is used for puffing and extruding mixed vegetable protein mixed with pea protein isolate and soybean protein isolate into a fiber structure, and comprises a motor, symmetrically arranged screws, a mixing cavity used for containing mixed materials, a heating wire arranged on the mixing cavity and a steam engine connected with the mixing cavity through a steam pipe, wherein the double screws are arranged in the mixing cavity;

the ultrasonic detector is used for detecting the fineness of the mixed vegetable protein fibers;

a glossiness measuring instrument for detecting the glossiness of the mixed vegetable protein fiber;

the controller is used for adjusting the working condition of the double-screw puffing mechanism according to the fiber fineness and the glossiness;

the controller is internally provided with preset fiber fineness parameters W0, namely R0 and P0, wherein R0 is a preset average fiber diameter, P0 is a preset fiber density, when the pea protein isolate and the soybean protein isolate are mixed and extruded t1, the controller controls the ultrasonic detector to detect the average fiber diameter R and the fiber density P of the extruded fiber, and compares the average fiber diameter R and the fiber density P with the preset average fiber diameter R0 and the preset fiber density P0 in the preset fiber fineness, if R is less than R0 and/or P is less than P0, the controller judges that the fineness of the fiber is unqualified, if R is more than or equal to R0 and P is more than or equal to P0, the controller judges that the fineness of the fiber is qualified and obtains the glossiness of the fiber detected by the glossiness measuring instrument;

the controller is also provided with a preset steam quantity U0, when the controller judges that the fineness of the fibers is unqualified, if R is less than R0, the controller calculates the difference value delta R between the actual average fiber diameter R and the preset fiber diameter R0, selects a corresponding regulating quantity according to the difference value to regulate the spacing between the double screws, if P is less than P0, the controller calculates the difference value delta P between the actual fiber density P and the preset fiber density P0, selects a corresponding regulating coefficient according to the difference value to regulate the rotating speed of the double screws, when the controller regulates the spacing between the double screws for N times, if R is less than R0 or P is less than P0, the controller obtains the actual steam quantity U in the mixing cavity, if the actual steam quantity U is less than or equal to the preset steam quantity U0, the controller regulates and increases the power of the steam machine to increase the steam introducing rate into the mixing cavity, if the actual steam quantity U is higher than the preset steam quantity U0, the controller adjusts the temperature of the steam introduced into the mixing cavity;

the controller is also provided with a preset fiber glossiness G0 and a preset maximum steam temperature Tmax, when the controller obtains the glossiness of the fiber measured by the glossiness measuring instrument, the controller compares the actual glossiness G measured by the glossiness measuring instrument with the preset glossiness G0, if G is less than G0, the controller judges that the glossiness is unqualified and calculates a difference value delta G between the actual glossiness G and the preset glossiness G0, the controller selects a corresponding steam temperature compensation coefficient according to the difference value to compensate the steam temperature, and when the steam temperature reaches the preset maximum steam temperature Tmax, the power of the steam engine is corrected to compensate the steam amount in the mixing cavity.

Further, when the controller judges that the fineness of the fiber is unqualified and R is less than R0, the controller calculates the difference value delta R between the actual average fiber diameter R and the preset average fiber diameter R0, sets delta R = R0-R, selects a corresponding regulating quantity according to the difference value to regulate the spacing between the double screws,

wherein the controller is also provided with a first preset fiber diameter difference Delta R1, a second preset fiber diameter difference Delta R2, a third preset fiber diameter difference Delta R3, a first interval adjustment quantity Delta H1, a second interval adjustment quantity Delta H2 and a third interval adjustment quantity Delta H3, wherein Delta R1 is more than Delta R2 and less than Delta R3, Delta H1 is more than Delta H2 and less than Delta H3,

when the delta R1 is not less than the delta R < delta R2, the controller selects a first interval adjustment quantity delta H1 to adjust the interval of the double screws;

when the delta R2 is not less than the delta R < delta R3, the controller selects a second distance adjustment delta H2 to adjust the distance between the double screws;

when the delta R is larger than or equal to the delta R3, the controller selects a third distance adjusting quantity delta H3 to adjust the distance between the double screws;

when the controller selects the ith interval adjustment amount delta Hi to adjust the interval of the twin screws, i =1, 2 and 3 are set, the controller sets the adjusted interval of the twin screws to H2, and sets H2= H1+ delta Hi, wherein H1 is the initial interval of the twin screws.

Further, when the controller judges that the fineness of the fibers is unqualified and P is less than P0, the controller calculates the difference delta P between the actual fiber density P and the preset fiber density P0, selects a corresponding adjusting coefficient according to the difference to adjust the rotating speed of the twin-screw,

wherein the controller is also provided with a first fiber density difference delta P1, a second fiber density difference delta P2, a third fiber density difference delta P3, a first rotating speed adjusting coefficient K1, a second rotating speed adjusting coefficient K2 and a third rotating speed adjusting coefficient K3, wherein delta P1 is more than delta P2 and less than delta P3, 1 is more than K1 and more than K2 and less than K3 and less than 2,

when the delta P1 is not less than the delta P which is less than the delta P2, the controller selects a first speed regulating coefficient K1 to regulate the rotating speed of the double screws;

when the delta P2 is not less than the delta P which is less than the delta P3, the controller selects a second rotating speed adjusting coefficient K2 to adjust the rotating speed of the double screws;

when the delta P is larger than or equal to the delta P3, the controller selects a third rotating speed adjusting coefficient K3 to adjust the rotating speed of the double screws;

when the controller selects the j-th rotating speed adjusting coefficient Kj to adjust the rotating speed of the twin screws, j =1, 2 and 3 are set, the controller sets the rotating speed of the adjusted twin screws to be V2, and V2= V1 xKj is set, wherein V1 is the initial rotating speed of the twin screws.

Further, when the controller adjusts the distance between the twin screws N times, R is less than R0 or P is less than P0 and U is less than U0, the controller calculates the difference value delta U between the actual steam flow U and the preset steam flow U0, sets delta U = U0-U, selects the corresponding power adjusting coefficient according to the difference value to adjust the power of the steam increasing machine so as to increase the speed of the steam introduced into the mixing cavity, so that the steam flow in the mixing cavity is increased,

wherein the controller is also provided with a first steam quantity difference delta U1, a second steam quantity difference delta U2, a third steam quantity difference delta U3, a first power regulating coefficient X1, a second power regulating coefficient X2 and a third power regulating coefficient X3, wherein delta U1 is more than delta U2 is more than delta U3, 1 is more than X1 is more than X2 is more than X3 is more than 2,

when the delta U1 is larger than or equal to the delta U which is smaller than the delta U2, the controller selects a first power adjusting coefficient X1 to adjust and increase the power of the steam generator;

when the delta U2 is not less than the delta U < delta U3, the controller selects a second power adjusting coefficient X2 to adjust and increase the power of the steam generator;

when the delta U is larger than or equal to the delta U3, the controller selects a third power adjusting coefficient X3 to adjust and increase the power of the steam generator;

when the controller selects the nth power adjusting coefficient Xn to adjust the power of the boosting steam engine, the controller sets the adjusted power of the steam engine to be E2, and sets E2= E1 Xn, wherein E1 is the initial operation power of the steam engine.

Further, when the controller adjusts the distance between the twin screws for N times and U is less than U0, if R is less than R0, the controller selects a first temperature adjustment coefficient Tx1 to adjust the temperature of the steam introduced into the mixing cavity, if P is less than P0, the controller selects a second temperature adjustment coefficient Tx2 to adjust the temperature of the steam introduced into the mixing cavity, if R is less than R0 and P is less than P0, the controller selects a third temperature adjustment coefficient Tx3 to adjust the temperature of the steam introduced into the mixing cavity, 1 < Tx2 is set, when the controller selects an s temperature adjustment coefficient Txs to adjust the temperature of the steam introduced into the mixing cavity, s =1, 2, 3 is set, the controller sets the adjusted temperature to T2, and sets T2= T1 × Txs, wherein T1 is the initial steam temperature.

Further, when the controller obtains the glossiness of the fiber measured by the glossiness measuring instrument and the actual glossiness G is less than the preset glossiness G0, the controller calculates the difference value delta G between the actual glossiness G and the preset glossiness G0, sets delta G = G0-G, selects a corresponding temperature compensation coefficient according to the difference value to compensate the temperature of the steam introduced into the mixing cavity,

wherein the controller is also provided with a first glossiness difference delta G1, a second glossiness difference delta G2, a third glossiness difference delta G3, a first temperature compensation coefficient Tk1, a second temperature compensation coefficient Tk2 and a third temperature compensation coefficient Tk3, wherein delta G1 is more than delta G2 and less than delta G3, 1 is more than Tk and less than Tk2,

when the delta G1 is not less than delta G and is less than delta G2, the controller selects a first temperature compensation coefficient Tk1 to compensate the temperature of the steam introduced into the mixing cavity;

when the delta G2 is not less than the delta G which is less than the delta G3, the controller selects a second temperature compensation coefficient Tk2 to compensate the temperature of the steam introduced into the mixing cavity;

when the delta G is larger than or equal to the delta G3, the controller selects a third temperature compensation coefficient Tk3 to compensate the temperature of the steam introduced into the mixing cavity;

when the controller selects a z-th temperature compensation coefficient Tkz to compensate the temperature of the steam introduced into the mixing cavity, z =1, 2 and 3 is set, the controller sets the temperature of the steam after compensation to be T3, and T3= T1 × Tkz or T3= T2 × Tkz is set.

Further, when the controller selects the z-th temperature compensation coefficient Tkz to compensate the temperature of the steam introduced into the mixing cavity, the controller obtains the temperature T of the steam in the mixing cavity and compares the temperature T with the preset maximum steam temperature, if T is larger than Tmax, the controller sets the temperature of the steam introduced into the mixing cavity as the preset maximum temperature Tmax and selects the power of the corresponding steam engine according to the glossiness difference value to correct the power to compensate the steam amount in the mixing cavity when the setting is completed,

wherein the controller is further provided with a first power compensation coefficient Ke1, a second power compensation coefficient Ke2 and a third power compensation coefficient Ke3, 1 < Ke1 < Ke2 < Ke3 < 2,

when the delta U1 is not less than the delta U < the delta U2, the controller selects a first power compensation coefficient Ke1 to compensate the power of the steam generator;

when the delta U2 is not less than the delta U < the delta U3, the controller selects a second power compensation coefficient Ke2 to compensate the power of the steam generator;

when the delta U is larger than or equal to the delta U3, the controller selects a third power adjusting coefficient Ke3 to compensate the power of the steam generator;

when the controller selects the nth ' power compensation coefficient Xn ' to adjust the power of the steam generator, the controller sets the power of the compensated steam generator to be E3, and sets E3= E2 Xn '.

Further, the controller is also provided with a preset double-screw maximum rotating speed Vmax, when the controller adjusts the rotating speed of the double screws, the controller obtains the actual rotating speed of the double screws, if the actual rotating speed V is greater than the preset double-screw maximum rotating speed Vmax, the controller calculates the difference value delta V of the rotating speed of the double screws, sets delta V = V-Vmax, selects a corresponding preset steam quantity adjusting coefficient according to the difference value to adjust the preset steam quantity U0,

wherein the controller is also provided with a first rotating speed difference value delta V1, a second rotating speed difference value delta V2, a third rotating speed difference value delta V3, a first preset steam quantity regulating coefficient Us1, a second preset steam quantity regulating coefficient Us2 and a third preset steam quantity regulating coefficient Us3, wherein delta V is more than delta V and less than delta V, Us is more than 1 and less than Us and less than 2,

when the delta V1 is not less than delta V and is less than delta V2, the controller selects a first preset steam flow adjusting coefficient Us1 to adjust the preset steam flow;

when the delta V2 is not less than delta V and is less than delta V3, the controller selects a second preset steam flow adjusting coefficient Us2 to adjust the preset steam flow;

when the delta V is larger than or equal to the delta V3, the controller selects a third preset steam flow adjusting coefficient Us3 to adjust the preset steam flow;

when the controller selects the mth preset steam flow adjusting coefficient Usm to adjust the preset steam flow, setting m =1, 2 and 3, and setting the adjusted preset steam flow to U1 and U1= U0 × Usm.

Compared with the prior art, the invention has the beneficial effects that the pea protein isolate and the soybean protein isolate are used as main raw materials, the pea protein isolate belongs to non-hydrophilic protein, and the protein fiber texture is hard after the puffing and the extruding; the isolated soy protein has good hydrophilicity, and the texture and toughness of the fiber after puffing and extruding are good; the protein is easy to modify incompletely in the puffing and extruding process, so that the thread combination and the kneading block of the double-screw puffing equipment for high-humidity extrusion are improved, and the extruding and meshing mode of screws is changed by adopting different thread combinations, so that a fine and tough protein fiber structure is achieved.

Particularly, a preset fiber fineness parameter and a preset fiber glossiness are set in the controller, the actual fiber fineness and glossiness are detected by an ultrasonic detector and a glossiness detector, the actual fiber fineness and glossiness are further compared, whether the fiber is qualified or not is judged according to a comparison result, and when the controller judges that the fiber is unqualified, the screw spacing and the rotating speed of the double-screw puffing mechanism and the steam quantity and the power of the steam engine are adjusted, so that the fineness of the prepared fiber is higher than the preset fiber fineness parameter, the glossiness of the prepared fiber is higher than the preset glossiness, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Furthermore, by setting a preset fiber diameter difference value and a screw spacing adjustment amount in the controller, when the controller judges that the fineness of the fibers is unqualified and R is less than R0, the corresponding spacing adjustment amount is selected according to the comparison result of the calculated actual fiber diameter difference value and the preset fiber diameter difference value to adjust the spacing between the double screws, so that the control precision of the puffing equipment for preparing the protein fibers is improved, the texture and the toughness of the prepared protein fibers are further improved, and the quality of the prepared dried scallop sauce is further improved.

Furthermore, by setting a fiber density difference value and a rotation speed regulating coefficient in the controller, when P is less than P0, the rotation speed of the screw is regulated by calculating the difference value between the actual fiber density and the preset fiber density and selecting a corresponding screw rotation speed regulating coefficient according to the difference value, so that the control precision of the puffing equipment for preparing the protein fiber is improved, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Furthermore, by setting a steam quantity difference value and a power regulating coefficient in the controller, when the controller detects that the steam quantity in the mixing cavity is lower than the preset steam quantity, the difference value of the actual steam quantity and the preset steam quantity is calculated, and the corresponding power regulating coefficient is selected according to the difference value to regulate the power of the steam engine, so that the control precision of the puffing equipment for preparing the protein fiber is improved, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Furthermore, by setting the temperature regulating coefficient in the controller, when the number of times of regulating the distance between the twin screws reaches N times, if the average fiber diameter is lower than the preset average fiber diameter or the actual fiber density is lower than the preset fiber density or both the actual average fiber diameter and the average fiber density are lower than the preset value, the corresponding temperature regulating coefficient is selected to regulate the steam temperature of the mixing cavity, so that the control precision of the puffing equipment for preparing the protein fiber is improved, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Furthermore, by setting the glossiness difference value and the temperature compensation coefficient in the controller, when the actual glossiness of the fiber detected by the glossiness is lower than the preset glossiness, the difference value between the actual glossiness and the preset glossiness is calculated, and the corresponding temperature compensation coefficient is selected according to the comparison result of the difference value and the preset glossiness difference value so as to compensate the temperature of the steam introduced into the mixing cavity, so that the control precision of the puffing equipment for preparing the protein fiber is improved, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Furthermore, the preset maximum steam temperature and the first power compensation coefficient are set in the controller, when the controller selects the z-th temperature compensation coefficient Tkz to compensate the steam temperature introduced into the mixing cavity, the steam temperature in the mixing cavity is higher than the preset maximum steam temperature, the corresponding power compensation coefficient is selected according to the glossiness difference value to compensate the power of the steam engine, the control precision of puffing equipment for preparing protein fibers is improved, the texture and the toughness of the prepared protein fibers are further improved, and the quality of the prepared dried scallop sauce is further improved.

Furthermore, the controller is provided with the preset maximum rotating speed, the preset rotating speed difference value and the steam quantity regulating coefficient, when the controller regulates the rotating speed of the double screws, the actual rotating speed of the double screws is larger than the preset maximum rotating speed, the corresponding steam quantity regulating coefficient is selected according to the actual rotating speed difference value to regulate the damaged steam quantity, the control precision of puffing equipment for preparing the protein fiber is improved, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Drawings

FIG. 1 is a schematic structural diagram of a puffing and extruding device based on vegetable protein dried scallop sauce preparation;

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Fig. 1 is a schematic structural diagram of a puffing and extruding apparatus for preparing vegetable protein dry shredded scallop sauce according to the present invention.

The invention provides puffing and extruding equipment based on vegetable protein dried scallop sauce preparation, which comprises the following components:

the double-screw puffing mechanism is used for puffing and extruding mixed vegetable protein mixed by pea protein isolate and soybean protein isolate into a fiber structure, and comprises a motor 1, symmetrically arranged screws 2, a mixing chamber 3 for containing mixed materials, a heating wire 4 arranged on the mixing chamber and a steam generator 5 connected with the mixing chamber through a steam pipe, wherein the double screws are arranged in the mixing chamber;

an ultrasonic detector 6 for detecting the fineness of the mixed vegetable protein fibers;

a glossiness measuring instrument 7 for measuring glossiness of the mixed vegetable protein fiber;

the controller 8 is used for adjusting the working condition of the double-screw puffing mechanism according to the fineness and the glossiness of the fibers;

the preceding upper portion end of hybrid chamber has the feed inlet respectively and the rear end is provided with the discharge gate, the controller respectively with the motor and the screw rod phase-change controller of twin-screw bulking mechanism, ultrasonic detector and glossiness detector are connected, the steam engine is used for carrying hot steam through the steam pipe extremely the hybrid chamber is in order to make the bulk of the misce bene in the hybrid chamber, twin-screw bulking mechanism is at the extrusion during misce bene, the controller acquires the fibrous quantity of albumen of ultrasonic detector detection appearance detection, quality and the quantity that the controller acquireed the albumen silk are in order to calculate the fibrous actual fibre of albumen to compare actual fibre and preset fibre, whether the albumen fibre that the controller was judged according to the comparison result and was prepared accords with the fibre requirement.

The controller is internally provided with preset fiber fineness parameters W0, namely R0 and P0, wherein R0 is preset average fiber diameter, P0 is preset fiber density, when the pea protein isolate and the soybean protein isolate are mixed and extruded t1, the controller controls the ultrasonic detector to detect the average fiber diameter R and the fiber density P of the extruded fiber, and compares the average fiber diameter R and the fiber density P with the preset average fiber diameter R0 and the preset fiber density P0 in the preset fiber fineness, if R is less than R0 and/or P is less than P0, the controller judges that the fineness of the fiber is unqualified, and if R is more than or equal to R0 and P is more than or equal to P0, the controller judges that the fineness of the fiber is qualified and obtains the glossiness of the fiber detected by the glossiness measuring instrument;

the controller is also provided with a preset steam quantity U0, when the controller judges that the fineness of the fibers is unqualified, if R is less than R0, the controller calculates the difference value delta R between the actual average fiber diameter R and the preset fiber diameter R0, selects a corresponding regulating quantity according to the difference value to regulate the spacing between the double screws, if P is less than P0, the controller calculates the difference value delta P between the actual fiber density P and the preset fiber density P0, selects a corresponding regulating coefficient according to the difference value to regulate the rotating speed of the double screws, when the controller regulates the spacing between the double screws for N times, if R is less than R0 or P is less than P0, the controller obtains the actual steam quantity U in the mixing cavity, if the actual steam quantity U is less than or equal to the preset steam quantity U0, the controller regulates and increases the power of the steam machine to increase the steam introducing rate into the mixing cavity, if the actual steam quantity U is higher than the preset steam quantity U0, the controller adjusts the temperature of the steam introduced into the mixing cavity;

the controller is also provided with a preset fiber glossiness G0 and a preset maximum steam temperature Tmax, when the controller obtains the glossiness of the fiber measured by the glossiness measuring instrument, the controller compares the actual glossiness G measured by the glossiness measuring instrument with the preset glossiness G0, if G is less than G0, the controller judges that the glossiness is unqualified and calculates a difference value delta G between the actual glossiness G and the preset glossiness G0, the controller selects a corresponding steam temperature compensation coefficient according to the difference value to compensate the steam temperature, and when the steam temperature reaches the preset maximum steam temperature Tmax, the power of the steam engine is corrected to compensate the steam amount in the mixing cavity.

Specifically, the pea protein isolate and the soybean protein isolate are used as main raw materials, the pea protein isolate belongs to non-hydrophilic protein, and the protein fiber texture is hard after puffing and extruding; the isolated soy protein has good hydrophilicity, and the fiber texture and toughness after puffing and extruding are good; the protein is easy to modify incompletely in the puffing and extruding process, so that the thread combination and the kneading block of the double-screw puffing equipment for high-humidity extrusion are improved, and the extruding and meshing mode of screws is changed by adopting different thread combinations, so that a fine and tough protein fiber structure is achieved.

Particularly, the controller is internally provided with a preset fiber fineness parameter and a preset fiber glossiness, the ultrasonic detector and the glossiness detector are used for detecting the actual fiber fineness and the glossiness, the actual fiber fineness and the glossiness are further compared, whether the fiber is qualified or not is judged according to a comparison result, and when the controller judges that the fiber is unqualified, the screw spacing and the rotating speed of the double-screw puffing mechanism and the steam quantity and the power of the steam engine are adjusted, so that the fineness of the prepared fiber is higher than the preset fiber fineness parameter, the fiber glossiness is higher than the preset glossiness, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

The raw material ratio for preparing the dried scallop shreds in the embodiment of the invention is as follows: 40-60 parts of pea protein isolate and 40-60 parts of soybean protein isolate.

Referring to fig. 1, when the controller determines that the fineness of the fiber is not qualified and R is less than R0, the controller calculates a difference Δ R between an actual average fiber diameter R and a preset average fiber diameter R0, sets Δ R = R0-R, selects a corresponding adjustment amount according to the difference to adjust the spacing between the twin screws,

wherein the controller is also provided with a first preset fiber diameter difference Delta R1, a second preset fiber diameter difference Delta R2, a third preset fiber diameter difference Delta R3, a first interval adjustment quantity Delta H1, a second interval adjustment quantity Delta H2 and a third interval adjustment quantity Delta H3, wherein Delta R1 is more than Delta R2 and less than Delta R3, Delta H1 is more than Delta H2 and less than Delta H3,

when the delta R1 is not less than the delta R < delta R2, the controller selects a first interval adjustment quantity delta H1 to adjust the interval of the double screws;

when the delta R2 is not less than the delta R < delta R3, the controller selects a second distance adjustment delta H2 to adjust the distance between the double screws;

when the delta R is larger than or equal to the delta R3, the controller selects a third distance adjusting quantity delta H3 to adjust the distance between the double screws;

when the controller selects the ith interval adjustment amount delta Hi to adjust the interval of the twin screws, i =1, 2 and 3 are set, the controller sets the adjusted interval of the twin screws to H2, and sets H2= H1+ delta Hi, wherein H1 is the initial interval of the twin screws.

Specifically, a preset fiber diameter difference value and a screw spacing adjustment amount are set in the controller, when the controller judges that the fineness of the fibers is unqualified and R is less than R0, the corresponding spacing adjustment amount is selected according to the comparison result of the calculated actual fiber diameter difference value and the preset fiber diameter difference value to adjust the spacing of the double screws, so that the control precision of the puffing equipment for preparing the protein fibers is improved, the texture and the toughness of the prepared protein fibers are further improved, and the quality of the prepared dried scallop sauce is further improved.

Referring to fig. 1, when the controller determines that the fineness of the fiber is not qualified and P is less than P0, the controller calculates a difference Δ P between the actual fiber density P and the preset fiber density P0, selects a corresponding adjustment coefficient according to the difference to adjust the rotation speed of the twin screws,

wherein the controller is also provided with a first fiber density difference delta P1, a second fiber density difference delta P2, a third fiber density difference delta P3, a first rotating speed adjusting coefficient K1, a second rotating speed adjusting coefficient K2 and a third rotating speed adjusting coefficient K3, wherein delta P1 is more than delta P2 and more than delta P3, 1 is more than K1 and more than K2 and more than K3 and more than 2,

when the delta P1 is not less than the delta P which is less than the delta P2, the controller selects a first speed regulating coefficient K1 to regulate the rotating speed of the double screws;

when the delta P2 is not less than the delta P which is less than the delta P3, the controller selects a second rotating speed adjusting coefficient K2 to adjust the rotating speed of the double screws;

when the delta P is larger than or equal to the delta P3, the controller selects a third rotating speed adjusting coefficient K3 to adjust the rotating speed of the double screws;

when the controller selects the j-th rotating speed adjusting coefficient Kj to adjust the rotating speed of the twin screws, j =1, 2 and 3 are set, the controller sets the rotating speed of the adjusted twin screws to be V2, and sets V2= V1 xKj, wherein V1 is the initial rotating speed of the twin screws.

Specifically, by setting a fiber density difference value and a rotation speed regulating coefficient in the controller, when P is less than P0, the control precision of puffing equipment for preparing protein fiber is improved by calculating the difference value between the actual fiber density and the preset fiber density and selecting a corresponding screw rotation speed regulating coefficient according to the difference value to regulate the rotation speed of the screw, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Referring to fig. 1, when the controller adjusts the distance between the twin screws N times, R < R0, or P < P0, and U < U0, the controller calculates the difference Δ U between the actual steam flow U and the preset steam flow U0, sets Δ U = U0-U, and selects the corresponding power adjustment coefficient according to the difference to adjust the power of the steam engine to increase the steam flow rate into the mixing cavity, so as to increase the steam flow in the mixing cavity,

wherein the controller is also provided with a first steam quantity difference delta U1, a second steam quantity difference delta U2, a third steam quantity difference delta U3, a first power regulating coefficient X1, a second power regulating coefficient X2 and a third power regulating coefficient X3, wherein delta U1 is more than delta U2 is more than delta U3, 1 is more than X1 is more than X2 is more than X3 is more than 2,

when the delta U1 is larger than or equal to the delta U which is smaller than the delta U2, the controller selects a first power adjusting coefficient X1 to adjust and increase the power of the steam generator;

when the delta U2 is not less than the delta U < delta U3, the controller selects a second power adjusting coefficient X2 to adjust and increase the power of the steam generator;

when the delta U is larger than or equal to the delta U3, the controller selects a third power adjusting coefficient X3 to adjust and increase the power of the steam generator;

when the controller selects the nth power adjusting coefficient Xn to adjust the power of the boosting steam engine, the controller sets the adjusted power of the steam engine to be E2, and sets E2= E1 Xn, wherein E1 is the initial operating power of the steam engine.

Specifically, a steam quantity difference value and a power adjusting coefficient are set in the controller, when the controller detects that the steam quantity in the mixing cavity is lower than a preset steam quantity, the difference value between the actual steam quantity and the preset steam quantity is calculated, and a corresponding power adjusting coefficient is selected according to the difference value to adjust the power of the steam engine, so that the control precision of puffing equipment for preparing protein fibers is improved, the texture and the toughness of the prepared protein fibers are further improved, and the quality of the prepared dried scallop sauce is further improved.

Referring to fig. 1, when the controller adjusts the distance between the twin screws N times and U is less than U0, if R is less than R0, the controller selects a first temperature adjustment coefficient Tx1 to adjust the temperature of the steam introduced into the mixing chamber, if P is less than P0, the controller selects a second temperature adjustment coefficient Tx2 to adjust the temperature of the steam introduced into the mixing chamber, if R is less than R0 and P is less than P0, the controller selects a third temperature adjustment coefficient Tx3 to adjust the temperature of the steam introduced into the mixing chamber, and sets 1 < Tx2, when the controller selects an s temperature adjustment coefficient Txs to adjust the temperature of the steam introduced into the mixing chamber, s =1, 2, 3 is set, the controller sets the adjusted temperature to T2, sets T2= T1 × Txs, where T1 is the initial steam temperature.

Specifically, by setting the temperature regulating coefficient in the controller, when the number of times of regulating the distance between the twin screws reaches N times, if the average fiber diameter is lower than the preset average fiber diameter or the actual fiber density is lower than the preset fiber density or both the actual average fiber diameter and the average fiber density are lower than the preset value, the corresponding temperature regulating coefficient is selected to regulate the steam temperature of the mixing cavity, so that the control precision of puffing equipment for preparing protein fibers is improved, the texture and the toughness of the prepared protein fibers are further improved, and the quality of the prepared dried scallop sauce is further improved.

Referring to fig. 1, when the controller obtains the glossiness of the fiber measured by the glossiness measuring apparatus and the actual glossiness G is less than the preset glossiness G0, the controller calculates a difference Δ G between the actual glossiness G and the preset glossiness G0, sets Δ G = G0-G, and selects a corresponding temperature compensation coefficient according to the difference to compensate the temperature of the steam introduced into the mixing chamber,

wherein the controller is also provided with a first glossiness difference value delta G1, a second glossiness difference value delta G2, a third glossiness difference value delta G3, a first temperature compensation coefficient Tk1, a second temperature compensation coefficient Tk2 and a third temperature compensation coefficient Tk3, wherein delta G1 is more than delta G2 and less than delta G3, 1 is more than Tk and more than Tk, and more than Tk is more than Tk and less than 2,

when the delta G1 is not less than the delta G and is less than the delta G2, the controller selects a first temperature compensation coefficient Tk1 to compensate the temperature of the steam introduced into the mixing cavity;

when the delta G2 is not less than the delta G which is less than the delta G3, the controller selects a second temperature compensation coefficient Tk2 to compensate the temperature of the steam introduced into the mixing cavity;

when the delta G is larger than or equal to the delta G3, the controller selects a third temperature compensation coefficient Tk3 to compensate the temperature of the steam introduced into the mixing cavity;

when the controller selects a z-th temperature compensation coefficient Tkz to compensate the temperature of the steam introduced into the mixing cavity, z =1, 2 and 3 is set, the controller sets the temperature of the steam after compensation to be T3, and T3= T1 × Tkz or T3= T2 × Tkz is set.

Specifically, by setting the glossiness difference value and the temperature compensation coefficient in the controller, when the actual glossiness of the fiber detected by the glossiness difference value is lower than the preset glossiness, the difference value between the actual glossiness and the preset glossiness is calculated, and the corresponding temperature compensation coefficient is selected according to the comparison result of the difference value and the preset glossiness difference value so as to compensate the temperature of the steam introduced into the mixing cavity, so that the control precision of the puffing equipment for preparing the protein fiber is improved, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

Continuing to refer to fig. 1, when the controller selects the z-th temperature compensation coefficient Tkz to compensate the temperature of the steam introduced into the mixing chamber, the controller obtains the temperature T of the steam in the mixing chamber and compares the temperature T with the preset maximum steam temperature, if T is greater than Tmax, the controller sets the temperature of the steam introduced into the mixing chamber to the preset maximum temperature Tmax and selects the power of the corresponding steam engine according to the gloss difference value to correct the power to compensate the steam amount in the mixing chamber when the setting is completed,

wherein the controller is also provided with a first power compensation coefficient Ke1, a second power compensation coefficient Ke2 and a third power compensation coefficient Ke3, 1 < Ke1 < Ke2 < Ke3 < 2,

when the delta U1 is not less than the delta U < the delta U2, the controller selects a first power compensation coefficient Ke1 to compensate the power of the steam generator;

when the delta U2 is not less than the delta U < the delta U3, the controller selects a second power compensation coefficient Ke2 to compensate the power of the steam generator;

when the delta U is larger than or equal to the delta U3, the controller selects a third power adjusting coefficient Ke3 to compensate the power of the steam generator;

when the controller selects the nth ' power compensation coefficient Xn ' to adjust the power of the steam generator, the controller sets the power of the compensated steam generator to be E3, and sets E3= E2 Xn '.

Specifically, the preset maximum steam temperature and the first power compensation coefficient are set in the controller, when the controller selects the z-th temperature compensation coefficient Tkz to compensate the steam temperature introduced into the mixing cavity, and the steam temperature in the mixing cavity is higher than the preset maximum steam temperature, the corresponding power compensation coefficient is selected according to the gloss difference value to compensate the power of the steam engine, so that the control precision of the puffing equipment for preparing the protein fiber is improved, the texture and the toughness of the prepared protein fiber are further improved, and the quality of the prepared dried scallop sauce is further improved.

With reference to fig. 1, the controller of the puffing and extruding device for preparing scallop sauce based on vegetable protein includes a preset maximum rotating speed Vmax of the twin screws, when the controller adjusts the rotating speed of the twin screws, the controller obtains the actual rotating speed of the twin screws, if the actual rotating speed V is greater than the preset maximum rotating speed Vmax of the twin screws, the controller calculates a difference value Δ V of the rotating speeds of the twin screws, sets Δ V = V-Vmax, and selects a corresponding preset steam quantity adjusting coefficient according to the difference value to adjust a preset steam quantity U0,

wherein the controller is also provided with a first rotating speed difference value delta V1, a second rotating speed difference value delta V2, a third rotating speed difference value delta V3, a first preset steam quantity regulating coefficient Us1, a second preset steam quantity regulating coefficient Us2 and a third preset steam quantity regulating coefficient Us3, wherein delta V is more than delta V and less than delta V, Us is more than 1 and less than Us and less than 2,

when the delta V1 is not less than delta V and is less than delta V2, the controller selects a first preset steam flow adjusting coefficient Us1 to adjust the preset steam flow;

when the delta V2 is not less than delta V and is less than delta V3, the controller selects a second preset steam flow adjusting coefficient Us2 to adjust the preset steam flow;

when the delta V is larger than or equal to the delta V3, the controller selects a third preset steam flow adjusting coefficient Us3 to adjust the preset steam flow;

when the controller selects the mth preset steam flow adjusting coefficient Usm to adjust the preset steam flow, setting m =1, 2 and 3, and setting the adjusted preset steam flow to be U1 and U1= U0 × Usm.

Specifically, the controller is provided with the preset maximum rotating speed, the preset rotating speed difference value and the steam quantity adjusting coefficient, when the controller adjusts the rotating speed of the double screws, the actual rotating speed of the double screws is larger than the preset maximum rotating speed, the corresponding steam quantity adjusting coefficient is selected according to the actual rotating speed difference value to adjust the damaged steam quantity, the control precision of puffing equipment for preparing protein fibers is improved, the texture and the toughness of the prepared protein fibers are further improved, and the quality of the prepared dried scallop sauce is further improved.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A puffing and extruding device based on vegetable protein dried scallop sauce preparation is characterized by comprising the following components:

the double-screw puffing mechanism is used for puffing and extruding mixed vegetable protein mixed with pea protein isolate and soybean protein isolate into a fiber structure, and comprises a motor, symmetrically arranged screws, a mixing cavity used for containing mixed materials, a heating wire arranged on the mixing cavity and a steam engine connected with the mixing cavity through a steam pipe, wherein the double screws are arranged in the mixing cavity;

the ultrasonic detector is used for detecting the fineness of the mixed vegetable protein fibers;

a glossiness measuring instrument for detecting the glossiness of the mixed vegetable protein fiber;

the controller is used for adjusting the working condition of the double-screw puffing mechanism according to the fineness and the glossiness of the fibers;

the controller is internally provided with preset fiber fineness parameters W0, namely R0 and P0, wherein R0 is preset average fiber diameter, P0 is preset fiber density, when the pea protein isolate and the soybean protein isolate are mixed and extruded t1, the controller controls the ultrasonic detector to detect the average fiber diameter R and the fiber density P of the extruded fiber, and compares the average fiber diameter R and the fiber density P with the preset average fiber diameter R0 and the preset fiber density P0 in the preset fiber fineness, if R is less than R0 and/or P is less than P0, the controller judges that the fineness of the fiber is unqualified, and if R is more than or equal to R0 and P is more than or equal to P0, the controller judges that the fineness of the fiber is qualified and obtains the glossiness of the fiber detected by the glossiness measuring instrument;

the controller is also provided with a preset steam quantity U0, when the controller judges that the fineness of the fibers is unqualified, if R is less than R0, the controller calculates the difference value delta R between the actual average fiber diameter R and the preset fiber diameter R0, selects a corresponding regulating quantity according to the difference value to regulate the spacing between the double screws, if P is less than P0, the controller calculates the difference value delta P between the actual fiber density P and the preset fiber density P0, selects a corresponding regulating coefficient according to the difference value to regulate the rotating speed of the double screws, when the controller regulates the spacing between the double screws for N times, if R is less than R0 or P is less than P0, the controller obtains the actual steam quantity U in the mixing cavity, if the actual steam quantity U is less than or equal to the preset steam quantity U0, the controller regulates and increases the power of the steam machine to increase the steam introducing rate into the mixing cavity, if the actual steam quantity U is higher than the preset steam quantity U0, the controller adjusts the temperature of the steam introduced into the mixing cavity;

the controller is also provided with a preset fiber glossiness G0 and a preset maximum steam temperature Tmax, when the controller obtains the glossiness of the fiber measured by the glossiness measuring instrument, the controller compares the actual glossiness G measured by the glossiness measuring instrument with the preset glossiness G0, if G is less than G0, the controller judges that the glossiness is unqualified and calculates a difference value delta G between the actual glossiness G and the preset glossiness G0, the controller selects a corresponding steam temperature compensation coefficient according to the difference value to compensate the steam temperature, and when the steam temperature reaches the preset maximum steam temperature Tmax, the power of the steam engine is corrected to compensate the steam amount in the mixing cavity.

2. The puffing and extruding apparatus for preparing vegetable protein-based kadsura pepper sauce as claimed in claim 1, wherein when the controller determines that the fineness of the fiber is not acceptable and R < R0, the controller calculates a difference Δ R between an actual average fiber diameter R and a preset average fiber diameter R0, sets Δ R = R0-R, and selects a corresponding adjustment amount according to the difference to adjust the spacing between the twin screws,

wherein the controller is also provided with a first preset fiber diameter difference delta R1, a second preset fiber diameter difference delta R2, a third preset fiber diameter difference delta R3, a first interval adjustment quantity delta H1, a second interval adjustment quantity delta H2 and a third interval adjustment quantity delta H3, wherein delta R1 is more than delta R2 is more than delta R3, delta H1 is more than delta H2 is more than delta H3,

when the delta R1 is not less than the delta R < delta R2, the controller selects a first interval adjustment quantity delta H1 to adjust the interval of the double screws;

when the delta R2 is not less than the delta R < delta R3, the controller selects a second distance adjustment quantity delta H2 to adjust the distance between the double screws;

when the delta R is larger than or equal to the delta R3, the controller selects a third distance adjustment quantity delta H3 to adjust the distance between the double screws;

when the controller selects the ith interval adjustment amount delta Hi to adjust the interval of the twin screws, i =1, 2 and 3 are set, the controller sets the adjusted interval of the twin screws to H2, and sets H2= H1+ delta Hi, wherein H1 is the initial interval of the twin screws.

3. The puffing and extruding apparatus for preparing vegetable protein-based kadsura coccinea sauce as claimed in claim 2, wherein when the controller determines that the degree of fineness of the fiber is not acceptable and P < P0, the controller calculates a difference Δ P between the actual fiber density P and the preset fiber density P0 and selects a corresponding adjustment coefficient according to the difference to adjust the rotation speed of the twin screws,

wherein the controller is also provided with a first fiber density difference delta P1, a second fiber density difference delta P2, a third fiber density difference delta P3, a first rotating speed adjusting coefficient K1, a second rotating speed adjusting coefficient K2 and a third rotating speed adjusting coefficient K3, wherein delta P1 is more than delta P2 and less than delta P3, 1 is more than K1 and more than K2 and less than K3 and less than 2,

when the delta P1 is not less than the delta P which is less than the delta P2, the controller selects a first speed regulating coefficient K1 to regulate the rotating speed of the double screws;

when the delta P2 is not less than the delta P which is less than the delta P3, the controller selects a second rotating speed adjusting coefficient K2 to adjust the rotating speed of the double screws;

when the delta P is larger than or equal to the delta P3, the controller selects a third rotating speed adjusting coefficient K3 to adjust the rotating speed of the double screws;

when the controller selects the j-th rotating speed adjusting coefficient Kj to adjust the rotating speed of the twin screws, j =1, 2 and 3 are set, the controller sets the rotating speed of the adjusted twin screws to be V2, and sets V2= V1 xKj, wherein V1 is the initial rotating speed of the twin screws.

4. The puffing and extruding apparatus for preparing vegetable protein-based kauri paste as claimed in claim 1, wherein when the controller adjusts the interval between the twin screws N times, R < R0 or P < P0 and U < U0, the controller calculates a difference Δ U between the actual steam flow U and the preset steam flow U0, sets Δ U = U0-U, and selects a corresponding power adjustment coefficient according to the difference to adjust the power of the steamer to increase the steam flow rate into the mixing chamber so as to increase the steam flow rate in the mixing chamber,

wherein the controller is also provided with a first steam quantity difference delta U1, a second steam quantity difference delta U2, a third steam quantity difference delta U3, a first power regulating coefficient X1, a second power regulating coefficient X2 and a third power regulating coefficient X3, wherein delta U1 is more than delta U2 is more than delta U3, 1 is more than X1 is more than X2 is more than X3 is more than 2,

when the delta U1 is larger than or equal to the delta U which is smaller than the delta U2, the controller selects a first power adjusting coefficient X1 to adjust and increase the power of the steam generator;

when the delta U2 is not less than the delta U < delta U3, the controller selects a second power adjusting coefficient X2 to adjust and increase the power of the steam generator;

when the delta U is larger than or equal to the delta U3, the controller selects a third power adjusting coefficient X3 to adjust and increase the power of the steam generator;

when the controller selects the nth power adjusting coefficient Xn to adjust the power of the boosting steam engine, the controller sets the adjusted power of the steam engine to be E2, and sets E2= E1 Xn, wherein E1 is the initial operation power of the steam engine.

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