Rice wine fermentation byproduct recovery device

Abstract

The invention belongs to the technical field of fermentation by-product recovery, and discloses a rice wine fermentation by-product recovery device, which comprises: a recovery tank; the centrifugal assembly is arranged in the recovery tank and is used for centrifugally recovering the vinasse; the rolling assembly is arranged below the centrifugal assembly and is used for rolling and recycling the centrifugally separated vinasse; the linkage assembly is arranged in the recycling tank and used for being in linkage with the rolling assembly to move when the centrifugal assembly works and cleaning the inner wall of the recycling tank at the same time. According to the vinasse recycling device, the centrifugal assembly and the rolling assembly are arranged, wine liquid in vinasse is centrifugally separated out through work of the centrifugal assembly, meanwhile, a small amount of splashed vinasse can fall on the rolling assembly under movement of the linkage assembly, the linkage assembly is used for driving the rolling assembly to roll the vinasse and separate the wine liquid, and the vinasse recycling effect is good.

Description

Technical Field

[0001] The invention belongs to the technical field of fermentation by-product recovery, and in particular relates to a rice wine fermentation by-product recovery device. Background Art

[0002] Rice wine fermentation is a process in which microorganisms convert starch in rice into sugar and further ferment it into alcohol. In this process, a variety of by-products are produced, such as lees, fermentation gas, residual fermentation liquid, etc. If these by-products are not recycled, they will not only waste resources, but also pollute the environment.

[0003] For example, the Chinese patent application with publication number CN102994295A discloses a method for recycling lees, wherein lees are washed with water, and the lees are soaked in water to become a lees suspension of rice husks and eluted sediments; the lees suspension is filtered after screening to obtain complete rice husks; after the recovered rice husks and fresh rice husks are mixed uniformly in a mass ratio of 1:1, they are added to the fermentation process of liquor to produce liquor; or bran is produced according to a mass ratio of wheat bran: rice husk = 95:5; the filtrate obtained by sieving and filtering is centrifuged or settled, and the obtained precipitate is used to prepare animal feed; the filtrate obtained by sieving and filtering is centrifuged or settled, and the obtained supernatant is recycled and used as washing water for step (1) lees. This method has a high lees utilization value relative to various lees recycling methods described in the prior art, and each component after the lees treatment can be recycled with maximum efficiency, and the recycling effect is excellent.

[0004] The above patents also have the following problems:

[0005] When recycling the lees, the wine in the lees is separated by a single method of filtrate centrifugation, which may cause a small amount of lees to splash out through the centrifugal holes during centrifugation, resulting in poor centrifugation effect and thus poor lees recovery effect. Moreover, during centrifugation, the centrifugal speed cannot be accurately adjusted according to the characteristics of the lees, and the centrifugation time cannot be controlled, which may easily lead to waste of resources due to unnecessary high-speed centrifugation and excessively long centrifugation time. The overall intelligence level is low and needs to be improved. Summary of the invention

[0006] The purpose of the present invention is to provide a rice wine fermentation by-product recovery device for solving the technical problems raised in the prior art.

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a rice wine fermentation by-product recovery device, comprising: a recovery tank; a centrifugal component, arranged inside the recovery tank, for centrifugally recovering the lees; a rolling component, arranged below the centrifugal component, for rolling and recovering the lees separated by centrifugation; a linkage component, arranged inside the recovery tank, for linking the rolling component to move when the centrifugal component is working, and simultaneously cleaning the inner wall of the recovery tank; a slag discharge component, connecting the centrifugal component and the rolling component, for discharging the processed lees in the centrifugal component and the rolling component from the recovery tank.

[0008] Preferably, the centrifugal assembly includes: a centrifugal cylinder, rotatably mounted inside the recovery tank; a drive motor, arranged at the upper end of the recovery tank; a drive shaft, fixedly connected to the output shaft of the drive motor and extending to the inside of the centrifugal cylinder; a connecting rod, arranged inside the centrifugal cylinder, for connecting the centrifugal cylinder and the drive shaft.

[0009] Preferably, the rolling assembly includes: a filter screen, fixedly mounted below the centrifugal cylinder; a roller frame, arranged above the filter screen and slidably connected to the recovery tank; a rolling roller, rotatably mounted on the roller frame and abutting against the surface of the filter screen; and a guide groove, opened on the side wall of the recovery tank, for guiding the roller frame.

[0010] Preferably, the linkage assembly includes: driving teeth, which are arranged at intervals on the outer wall of the centrifugal cylinder; a moving rod, which is arranged on the outside of the centrifugal cylinder and is slidably connected to the top of the inner part of the recovery tank; a gear, which is rotatably sleeved on the moving rod; annular teeth, which are arranged on the inner wall of the recovery tank and mesh with the gear; a slider, which is arranged on the top of the moving rod; a slide groove, which is opened on the top of the inner part of the recovery tank and matches the slider. A scraper is arranged on one side of the moving rod and contacts the inner wall of the recovery tank, and is used to scrape off the lees separated by centrifugation on the inner wall of the recovery tank; wherein, when the centrifugal cylinder rotates at a high speed, the driving teeth mesh with the gear, so that the gear drives the moving rod to move along the annular teeth, thereby realizing the uniform movement of the moving rod.

[0011] Preferably, the slag discharge assembly includes: an outer tube body, which is integrally arranged with the drive shaft and passes through the bottom end of the centrifugal barrel; a first opening, which is symmetrically arranged on both sides of the outer tube body; an inner tube body, which is arranged inside the outer tube body and fits against the inner wall of the outer tube body; a second opening, which is symmetrically arranged on both sides of the inner tube body and is staggered with the first opening; a first protrusion, which is arranged on the inner wall of the outer tube body and is located above the inner tube body; and a second protrusion, which is arranged at the upper end of the inner tube body and abuts against the first protrusion.

[0012] Preferably, it also includes a control system, the control system includes:

[0013] A data acquisition module collects comprehensive data information of the recovery device, including density, viscosity, liquid-solid ratio and temperature of the lees;

[0014] The data analysis module generates a centrifugal coefficient based on the comprehensive data information, and generates a corresponding centrifugal speed level based on the centrifugal coefficient;

[0015] A data acquisition module, used for collecting a historical training data set of the recovery device, the historical training data set including centrifugal comprehensive impact data and centrifugal time;

[0016] The time prediction module trains a machine learning model for predicting centrifugal time based on a historical training data set, collects real-time centrifugal comprehensive impact data, and inputs it into the trained machine learning model to predict the centrifugal time.

[0017] Preferably, the centrifugal coefficient is obtained by weighted calculation of density, viscosity, liquid-solid ratio and temperature of the lees.

[0018] Preferably, the centrifugal speed level is generated as follows:

[0019] The centrifugal speed grades include primary centrifugal speed, secondary centrifugal speed and tertiary centrifugal speed, wherein the primary centrifugal speed, the secondary centrifugal speed and the tertiary centrifugal speed increase in sequence;

[0020] The centrifugal coefficient is Lx, and the threshold range of the preset centrifugal coefficient is Lx1, Lx2, Lx1 <Lx2;

[0021] If Lx≤Lx1, at this time, the data analysis module generates a first-level centrifugal speed;

[0022] If Lx2≥Lx>Lx1, at this time, the data analysis module generates a secondary centrifugal velocity;

[0023] If Lx>Lx2, at this time, the data analysis module generates three levels of centrifugal speed.

[0024] Preferably, the training method of the machine learning model for predicting centrifugation time includes:

[0025] Convert the collected historical training data set into a corresponding set of feature vectors;

[0026] Each group of feature vectors is used as the input of the machine learning model, the machine learning model takes the centrifugation time corresponding to each group of centrifugal comprehensive influence data as the output, the centrifugation time actually corresponding to each group of centrifugal comprehensive influence data is used as the prediction target, and minimizing the loss function value of the machine learning model is used as the training target; when the loss function value of the machine learning model is less than or equal to the preset target loss value, the training is stopped; the machine learning model is one of SVM regression, random forest regression or neural network regression model.

[0027] Preferably, the comprehensive centrifugal influence data include density, viscosity, liquid-solid ratio, temperature and centrifugal speed of the lees.

[0028] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0029] 1. The present invention provides a centrifugal component and a rolling component, and can utilize the centrifugal component to centrifugally separate the wine in the lees. At the same time, a small amount of lees splashed out will fall on the rolling component under the movement of the linkage component, and the linkage component can be used to drive the rolling component to roll the lees to separate the wine, so that the lees recovery effect is good.

[0030] 2. The present invention can accurately reflect the instantaneous state of the lees by setting up a control system through real-time data collection and generate a centrifugal coefficient adapted to current conditions. The system can accurately adjust the centrifugal speed; real-time adjustment of the centrifugal speed can avoid using too high a speed when unnecessary, thereby reducing energy consumption; by accurately predicting the centrifugation time, it can ensure that the equipment completes the separation task within the optimal time period, avoiding waste of resources due to too long centrifugation time or incomplete separation due to too short time. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 Shows a front view of the present invention;

[0033] Figure 2 A cross-sectional view of the present invention is shown;

[0034] Figure 3 A top view of the present invention is shown;

[0035] Figure 4 The schematic diagram of the structure of the slag discharge assembly of the present invention is shown;

[0036] Figure 5 A top view of a slag discharge assembly of the present invention is shown;

[0037] Figure 6 A control system module diagram of embodiment 3 of the present invention is shown.

[0038] Figure numerals: 100, recovery tank; 101, feed port; 102, discharge port; 103, guide eaves; 200, centrifugal assembly; 201, centrifugal cylinder; 202, drive motor; 203, drive shaft; 204, connecting rod; 300, rolling assembly; 301, filter screen; 302, roller frame; 303, rolling roller; 304, guide groove; 400, linkage assembly; 401, drive teeth; 402, moving rod; 403, gear; 404, ring teeth; 405, slider; 406, slide groove; 407, scraper; 500, slag discharge assembly; 501, outer tube body; 502, first opening; 503, inner tube body; 504, second opening; 505, first protrusion; 506, second protrusion. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example 1

[0041] Reference Figure 1-Figure 2 As shown, the rice wine fermentation by-product recovery device comprises: a recovery tank 100, a centrifugal assembly 200, a rolling assembly 300, a linkage assembly 400 and a slag discharge assembly 500, wherein the upper half of the recovery tank 100 is cylindrically arranged, and the lower half is funnel-shaped, so as to facilitate the collection of rice wine in the lees, a feed inlet 101 is provided at the top of the recovery tank 100 for adding the lees to be recovered into the recovery tank 100, and a discharge port 102 is provided at the bottom of the recovery tank 100 for discharging the centrifugally collected rice wine, the centrifugal assembly 200 is arranged inside the recovery tank 100 for centrifugally recovering the lees; the rolling assembly 300 is arranged below the centrifugal assembly 200 for rolling and recovering the lees separated by centrifugation; the linkage assembly 400 is arranged inside the recovery tank 100 for linking the rolling assembly 300 to move when the centrifugal assembly 200 is working, and simultaneously cleaning the inner wall of the recovery tank 100.

[0042] In this embodiment, the wine lees to be recycled can be added into the centrifugal component 200 through the feed inlet 101, and then the centrifugal component 200 is used to centrifuge the wine lees to separate the rice wine liquid in the wine lees. During the centrifugation process, a small amount of wine lees is crushed and distributed on the inner wall of the recovery tank 100. At this time, the inner wall of the recovery tank 100 can be cleaned by the linkage component 400. The inner wall of the recovery tank 100 is also surrounded by a guide eave 103, and the guide eave 103 is located above the rolling component 300. The guide eave 103 can be used to guide the wine lees cleaned from the inner wall of the recovery tank 100 to the rolling component 300, and the linkage component 400 is used to drive the rolling component 300 to roll the wine lees on its surface, so that the wine liquid in the wine lees can be fully squeezed out, ensuring that the separation effect of the wine lees and the wine liquid is good, and the effective recovery of the wine lees can be achieved.

[0043] Specifically, refer to Figure 2 As shown, the centrifugal assembly 200 includes: a centrifugal cylinder 201, a driving motor 202, a driving shaft 203 and a connecting rod 204, wherein the centrifugal cylinder 201 is rotatably installed inside the recovery tank 100, the side wall of the centrifugal cylinder 201 is arranged in a mesh shape, and the bottom end of the centrifugal cylinder 201 is arranged in a funnel shape, which can facilitate the accumulation of wine lees after centrifugation at the bottom, and thus facilitate the later discharge; the driving motor 202 is arranged at the upper end of the recovery tank 100; the driving shaft 203 is fixedly connected to the output shaft of the driving motor 202 and extends to the inside of the centrifugal cylinder 201; the connecting rod 204 is arranged inside the centrifugal cylinder 201, and is used to connect the centrifugal cylinder 201 and the driving shaft 203.

[0044] In this embodiment, the driving motor 202 can be used to drive the driving shaft 203 to rotate, and then the centrifuge barrel 201 can be driven to rotate at high speed through the connecting rod 204. When the centrifuge barrel 201 rotates at high speed, the wine in the lees inside the centrifuge barrel 201 is discharged through the through holes on the centrifuge barrel 201 under the action of centrifugal force, thereby realizing solid-liquid separation of the lees.

[0045] Specifically, refer to Figure 2As shown, the rolling assembly 300 includes: a filter screen 301, a roller frame 302, a rolling roller 303 and a guide groove 304, wherein the filter screen 301 is fixedly installed below the centrifugal cylinder 201, and the filter screen 301 is tilted from the edge to the center part as a whole, so that the lees on the filter screen 301 can be gathered to the center part of the filter screen 301, so as to facilitate the discharge of the lees on the filter screen 301 in the later stage; the roller frame 302 is arranged above the filter screen 301 and is slidably connected to the recovery tank 100; the rolling roller 303 is rotatably installed on the roller frame 302 and abuts against the surface of the filter screen 301, and the rolling roller 303 can roll the lees on the surface of the filter screen 301 to squeeze out the wine in the lees; the guide groove 304 is opened on the side wall of the recovery tank 100, and is used to guide the roller frame 302, so that the roller frame 302 can move along the guide groove 304 to avoid the roller frame 302 from offset when moving.

[0046] Specifically, refer to Figure 2 and Figure 3 As shown, the linkage assembly 400 includes: driving teeth 401, which are arranged at intervals on the outer wall of the centrifugal cylinder 201, and the number of driving teeth 401 can be customized according to the diameter of the centrifugal cylinder 201; a moving rod 402, which is arranged on the outer side of the centrifugal cylinder 201 and is slidably connected to the top of the inside of the recovery tank 100; a gear 403, which is rotatably sleeved on the moving rod 402; a ring tooth 404, which is arranged on the inner wall of the recovery tank 100 and meshes with the gear 403; a slider 405, which is arranged on the inner wall of the recovery tank 100 and meshes with the gear 403; The top of the moving rod 402; the slide groove 406 is opened at the top of the inside of the recovery tank 100 and matches the slider 405; the scraper 407 is arranged on one side of the moving rod 402 and contacts the inner wall of the recovery tank 100, and is used to scrape off the lees centrifuged onto the inner wall of the recovery tank 100; wherein, the centrifugal cylinder 201 rotates at a high speed while the driving teeth 401 engage with the gear 403, so that the gear 403 drives the moving rod 402 to move along the ring teeth 404, thereby realizing the uniform motion of the moving rod 402.

[0047] In this embodiment, while the centrifugal drum 201 rotates at a high speed, the driving teeth 401 can be engaged with the gear 403 to drive the gear 403 to rotate. The gear 403 rotates and moves along the ring teeth 404, thereby driving the moving rod 402 to slide along the slide groove 406 through the slider 405. The sliding of the moving rod 402 can also drive the scraper 407 to move, and the scraper 407 can be used to scrape off the lees attached to the inner wall of the recovery tank 100. The scraped lees slide onto the filter screen 301 through the guide eaves 103, which is convenient for the subsequent crushing of the lees on the filter screen 301.

[0048] Working principle: During operation, the wine lees to be processed are added into the centrifugal cylinder 201 through the feed port 101, and then the driving motor 202 is started to work. The driving motor 202 rotates clockwise and drives the driving shaft 203 to rotate. The driving shaft 203 rotates and drives the centrifugal cylinder 201 to rotate through the connecting rod 204. The centrifugal cylinder 201 rotates at a high speed, and the wine lees inside the centrifugal cylinder 201 can be separated from the solid and liquid under the action of centrifugal force, and the wine liquid inside the wine lees can be separated. During the centrifugal process, a small amount of wine lees inside the centrifugal cylinder 201 is broken and splashed onto the inner wall of the recovery tank 100 under the action of centrifugal force. At this time, the centrifugal cylinder 201 rotates and utilizes the driving teeth 40 1 meshes with the gear 403, driving the gear 403 to rotate, and the gear 403 moves along the ring teeth 404 while rotating, thereby driving the moving rod 402 to slide along the slide groove 406 through the slider 405, and the moving rod 402 can drive the scraper 407 to move while sliding, and the scraper 407 is used to scrape off the wine lees attached to the inner wall of the recovery tank 100, and the scraped wine lees slide onto the filter screen 301 through the guide flange 103, and the moving rod 402 drives the roller frame 302 to move while moving, and then the rolling roller 303 can be used to roll the wine lees on the filter screen 301, so as to roll and separate the wine liquid in the wine lees, thereby realizing the effective separation of the wine liquid in the wine lees.

[0049] Example 2

[0050] Reference Figure 2 , Figure 4 and Figure 5 As shown, in order to facilitate the discharge of the processed lees on the centrifugal drum 201 and the filter screen 301, the present invention further includes a slag discharge assembly 500 on the basis of Example 1, which connects the centrifugal assembly 200 and the rolling assembly 300 and is used to discharge the processed lees in the centrifugal assembly 200 and the rolling assembly 300 from the recovery tank 100;

[0051] Specifically, refer to Figure 4 , Figure 5As shown, the slag discharge assembly 500 includes: an outer tube body 501, a first opening 502, an inner tube body 503, a second opening 504, a first protrusion 505 and a second protrusion 506, wherein the outer tube body 501 is integrated with the drive shaft 203 and passes through the bottom end of the centrifugal cylinder 201; the first opening 502 is symmetrically arranged on both sides of the outer tube body 501 and is located at the bottom end of the centrifugal cylinder 201 and the center of the filter screen 301; the inner tube body 503 is arranged inside the outer tube body 501 and is connected to the inner wall of the outer tube body 501 The bottom end of the inner tube body 503 extends to the outside of the recovery tank 100 and is rotatably connected to the recovery tank 100; the second openings 504 are symmetrically arranged on both sides of the inner tube body 503 and staggered with the first openings 502; there are two first protrusions 505, which are symmetrically arranged on the inner wall of the outer tube body 501 and located above the inner tube body 503; there are four second protrusions 506, which are arranged at the upper end of the inner tube body 503, respectively located above the two ends of the second openings 504, and abut against the first protrusions 505;

[0052] In this embodiment, when centrifugal separation is performed, the driving motor 202 drives the outer tube body 501 to rotate clockwise. At this time, the first protrusion 505 abuts against the second protrusion 506. The outer tube body 501 rotates and drives the inner tube body 503 to rotate synchronously. At this time, the first opening 502 and the second opening 504 are staggered; when the centrifugal separation work is completed and the treated wine lees need to be discharged, the driving motor 202 can be reversed. At this time, after the outer tube body 501 rotates 45 degrees in the opposite direction, the first protrusion 505 abuts against the second protrusion 506, the outer tube body 501 rotates and drives the inner tube body 503 to rotate synchronously at a uniform speed. At this time, the first opening 502 and the second opening 504 are connected, and the wine lees located at the bottom end of the centrifugal cylinder 201 enter the inner tube body 503 through the first opening 502 and the second opening 504, and the wine lees in the center of the filter screen 301 also enter the inner tube body 503 through the first opening 502 and the second opening 504, and are discharged through the inner tube body 503.

[0053] In this embodiment, the first opening 502 and the second opening 504 on the outer tube body 501 and the inner tube body 503 can be connected to realize the discharge of materials. When not in use, the first opening 502 and the second opening 504 only need to be misaligned to close the outlet, which is simple to operate and easy to use.

[0054] Example 3

[0055] Reference Figure 6 As shown, the present invention further includes a control system based on Example 2. The control system includes a data acquisition module, a data analysis module, a data acquisition module and a time prediction module. The modules are connected by wired / wireless means to realize data transmission.

[0056] A data acquisition module collects comprehensive data information of the recovery device, including density, viscosity, liquid-solid ratio and temperature of the lees;

[0057] Specifically, the greater the density of the lees, the greater the centrifugal force required, and the centrifugal speed also needs to be increased accordingly to overcome the larger inertial force and achieve effective separation; the density of the lees can be obtained in real time through a density sensor.

[0058] Specifically, the higher the viscosity of the lees, the greater the fluid resistance, so it may be necessary to reduce the centrifugation speed and extend the centrifugation time to avoid the formation of an uneven separation layer; the viscosity of the lees can be measured in real time by an online viscometer;

[0059] Specifically, the liquid-to-solid ratio of the lees refers to the ratio of solids to liquids in the lees. When the liquid content is high, a higher centrifugal speed is required to effectively remove the liquid; when the solid content is high, the centrifugal speed should be moderate to avoid compression and agglomeration of the solids; it can be monitored in real time by an online moisture sensor or a solid-to-liquid ratio analyzer (such as a near-infrared spectrometer);

[0060] Specifically, the temperature of the lees affects its viscosity and density. Increasing temperature usually reduces viscosity, allowing higher centrifugal speeds. When the temperature decreases, the viscosity increases and the speed needs to be reduced to ensure uniform separation. This can be obtained in real time through a temperature sensor.

[0061] The data analysis module generates a centrifugal coefficient based on the comprehensive data information, and generates a corresponding centrifugal speed level based on the centrifugal coefficient;

[0062] The eccentricity coefficient is generated as follows:

[0063]

[0064] Wherein, Lx is the centrifugal coefficient, Md is the density of the lees in the centrifugal cylinder 201, Yg is the liquid-solid ratio of the lees in the centrifugal cylinder 201, Wd is the temperature of the lees in the centrifugal cylinder 201, Nd is the viscosity of the lees in the centrifugal cylinder 201, are weight coefficients, which are determined by technicians in this field according to specific application requirements. All are greater than 0;

[0065] Among them, the greater the density of the lees in the centrifuge barrel 201, the greater the liquid-solid ratio of the lees, the higher the temperature of the lees, and the lower the corresponding viscosity of the lees, the greater the centrifugal coefficient, and the faster the corresponding centrifugal speed; conversely, the smaller the density of the lees in the centrifuge barrel 201, the smaller the liquid-solid ratio of the lees, the lower the temperature of the lees, and the higher the corresponding viscosity of the lees, the smaller the centrifugal coefficient, and the slower the corresponding centrifugal speed.

[0066] It should be noted that the formulas involved in the above-mentioned are all calculated by removing dimensions and taking numerical values. They are a formula that is closest to the actual situation obtained by collecting a large amount of data and performing software simulation. The weight coefficients in the formulas and the various preset thresholds in the analysis process are set by technical personnel in this field according to actual conditions or obtained by simulating a large amount of data; the size of the weight coefficient is to quantify each parameter to obtain a specific value for subsequent comparison. The size of the weight coefficient depends on the amount of sample data and the corresponding processing coefficients initially set by technical personnel in this field for each group of sample data; as long as it does not affect the proportional relationship between the parameters and the quantized values.

[0067] The centrifuge speed levels are generated as follows:

[0068] The centrifugal speed grades include a primary centrifugal speed, a secondary centrifugal speed and a tertiary centrifugal speed, wherein the primary centrifugal speed, the secondary centrifugal speed and the tertiary centrifugal speed increase in sequence.

[0069] The preset threshold range of the eccentricity coefficient is Lx1, Lx2, Lx1 <Lx2;

[0070] If Lx≤Lx1, at this time, the data analysis module generates a first-level centrifugal speed;

[0071] If Lx2≥Lx>Lx1, at this time, the data analysis module generates a secondary centrifugal velocity;

[0072] If Lx>Lx2, at this time, the data analysis module generates three levels of centrifugal speed.

[0073] Among them, Lx1 and Lx2 are determined by technical personnel in this field according to specific application requirements.

[0074] Exemplarily, the rotational speeds of the drive motor 202 corresponding to the first-stage centrifugal speed, the second-stage centrifugal speed, and the third-stage centrifugal speed are 2000 rpm, 5000 rpm, and 8000 rpm, respectively; the rotational speed of the drive motor 202 can also be customized according to specific circumstances; the rotational speed of the drive motor 202 is controlled according to the corresponding centrifugal speed level.

[0075] A data acquisition module, used for collecting a historical training data set of the recovery device, the historical training data set including centrifugal comprehensive impact data and centrifugal time;

[0076] Specifically, the comprehensive impact data of centrifugation include density, viscosity, liquid-to-solid ratio, temperature and centrifugal speed of the lees.

[0077] The centrifugal speed is the rotation speed of the driving motor 202, which can be obtained by the Hall effect sensor. The faster the centrifugal speed, the shorter the required centrifugal time, because the greater centrifugal force can speed up the separation process; when the speed is lower, the centrifugal time needs to be extended to achieve the same separation effect;

[0078] The centrifugation time refers to the time required for the wine lees to enter the recovery tank 100 and be centrifugally treated to reach the standard state, which can be obtained by a timer.

[0079] The time prediction module trains a machine learning model for predicting centrifugal time based on a historical training data set, collects real-time centrifugal comprehensive impact data, and inputs it into the trained machine learning model to predict the centrifugal time;

[0080] The training method of the machine learning model for predicting centrifugation time includes:

[0081] Convert the collected historical training data set into a corresponding set of feature vectors;

[0082] Each group of feature vectors is used as the input of the machine learning model. The machine learning model takes the centrifugation time corresponding to each group of centrifugal comprehensive influence data as the output, the centrifugation time actually corresponding to each group of centrifugal comprehensive influence data is used as the prediction target, and minimizing the loss function value of the machine learning model is used as the training target; training is stopped when the loss function value of the machine learning model is less than or equal to the preset target loss value.

[0083] The machine learning model may be one of the models such as SVM regression, random forest regression or neural network regression.

[0084] The machine learning model loss function value is the mean square error;

[0085] Mean square error is one of the commonly used loss functions. Minimization is used as the goal to train the model so that the machine learning model better fits the data, thereby improving the performance and accuracy of the model;

[0086] In the loss function, MSE is the loss function value of the machine learning model, x is the feature vector group number; m is the number of feature vector groups; y is the number of feature vector groups; x is the centrifugation time predicted by the x-th group of feature vectors, is the centrifugal time actually corresponding to the xth group of eigenvectors;

[0087] Other model parameters of the machine learning model, target loss value, optimization algorithm, training set test set validation set ratio, and loss function optimization are all achieved through actual engineering implementation and continuous experimental tuning.

[0088] The working time of the driving motor 202 is controlled according to the predicted centrifugal time; when the working time of the driving motor 202 is the same as the predicted centrifugal time, the driving motor 202 is controlled to be powered off and stop working.

[0089] In summary, by setting up a control system, the instantaneous state of the lees can be accurately reflected through real-time data collection, and a centrifugal coefficient adapted to the current conditions can be generated. The system can accurately adjust the centrifugal speed. This dynamic adjustment makes the separation effect better. Both the liquid extraction efficiency and the solid recovery rate can be optimized. Real-time adjustment of the centrifugal speed can avoid using excessively high speeds when unnecessary, thereby reducing energy consumption.

[0090] By accurately predicting the centrifugation time, it can be ensured that the equipment completes the separation task within the optimal time period. It avoids the waste of resources caused by too long centrifugation time or incomplete separation caused by too short time; by predicting and controlling the centrifugation time, it can ensure that each batch of lees is separated under the optimal conditions, reducing quality fluctuations. Accurately controlling the time can avoid excessive centrifugation that causes the breakage of solid particles or the increase of impurities in the liquid.

[0091] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0092] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rice wine fermentation byproduct recovery device, characterized in that: include: Recovery tank (100); A centrifugal assembly (200), arranged inside the recovery tank (100), and used for centrifugally recovering wine lees; A rolling assembly (300) is arranged below the centrifugal assembly (200) and is used to roll and recover the wine lees separated by centrifugation; A linkage assembly (400) is arranged inside the recovery tank (100) and is used to link the rolling assembly (300) to move when the centrifugal assembly (200) is working, and to clean the inner wall of the recovery tank (100) at the same time; The slag discharge assembly (500) is connected to the centrifugal assembly (200) and the rolling assembly (300) and is used to discharge the lees processed in the centrifugal assembly (200) and the rolling assembly (300) from the recovery tank (100).

2. The rice wine fermentation byproduct recovery device according to claim 1, characterized in that: The centrifugal assembly (200) comprises: A centrifugal cylinder (201) is rotatably mounted inside the recovery tank (100); A driving motor (202) is arranged at the upper end of the recovery tank (100); A drive shaft (203) is fixedly connected to the output shaft of the drive motor (202) and extends into the interior of the centrifugal cylinder (201); A connecting rod (204) is arranged inside the centrifugal cylinder (201) and is used to connect the centrifugal cylinder (201) and the driving shaft (203).

3. The rice wine fermentation byproduct recovery device as claimed in claim 2, characterized in that: The rolling assembly (300) comprises: A filter screen (301) is fixedly installed below the centrifugal cylinder (201); A roller frame (302) is arranged above the filter screen (301) and is slidably connected to the recovery tank (100); A rolling roller (303) is rotatably mounted on the roller frame (302) and abuts against the surface of the filter screen (301); A guide groove (304) is provided on the side wall of the recovery tank (100) and is used to guide the roller frame (302).

4. The rice wine fermentation byproduct recovery device as claimed in claim 3, characterized in that: The linkage assembly (400) comprises: Driving teeth (401) are arranged at intervals on the outer wall of the centrifugal cylinder (201); A moving rod (402) is arranged outside the centrifugal cylinder (201) and is slidably connected to the top end of the recovery tank (100); A gear (403) rotatably sleeved on the moving rod (402); Ring teeth (404), the ring is arranged on the inner wall of the recovery tank (100) and meshes with the gear (403); A slider (405) is arranged on the top of the moving rod (402); A slide groove (406) is provided at the top of the inner part of the recovery tank (100) and matches with the slide block (405); A scraper (407) is arranged on one side of the moving rod (402) and contacts the inner wall of the recovery tank (100) to scrape off the lees centrifugally separated onto the inner wall of the recovery tank (100); The centrifugal cylinder (201) rotates at a high speed while the driving teeth (401) mesh with the gear (403), so that the gear (403) drives the moving rod (402) to move along the ring teeth (404), thereby achieving uniform motion of the moving rod (402).

5. The rice wine fermentation byproduct recovery device according to claim 4, characterized in that: The slag discharge assembly (500) comprises: An outer tube body (501) is integrally arranged with the driving shaft (203) and passes through the bottom end of the centrifugal cylinder (201); The first opening (502) is symmetrically arranged on both sides of the outer tube body (501); An inner tube body (503) is arranged inside the outer tube body (501) and is in contact with the inner wall of the outer tube body (501); The second opening (504) is symmetrically arranged on both sides of the inner tube body (503) and is staggered with the first opening (502); A first protrusion (505) is arranged on the inner wall of the outer tube (501) and is located above the inner tube (503); The second convex block (506) is arranged at the upper end of the inner tube body (503) and abuts against the first convex block (505).

6. The rice wine fermentation byproduct recovery device according to claim 1 or 5, characterized in that: Also included is a control system, the control system comprising: A data acquisition module collects comprehensive data information of the recovery device, including density, viscosity, liquid-solid ratio and temperature of the lees; The data analysis module generates a centrifugal coefficient based on the comprehensive data information, and generates a corresponding centrifugal speed level based on the centrifugal coefficient; A data acquisition module, used for collecting a historical training data set of the recovery device, the historical training data set including centrifugal comprehensive impact data and centrifugal time; The time prediction module trains a machine learning model for predicting centrifugal time based on a historical training data set, collects real-time centrifugal comprehensive impact data, and inputs it into the trained machine learning model to predict the centrifugal time.

7. The rice wine fermentation byproduct recovery device according to claim 6, characterized in that: The centrifugal coefficient is obtained by weighted calculation of density, viscosity, liquid-solid ratio and temperature of the lees.

8. The rice wine fermentation byproduct recovery device according to claim 7, characterized in that: The centrifugal speed levels are generated as follows: The centrifugal speed grades include primary centrifugal speed, secondary centrifugal speed and tertiary centrifugal speed, wherein the primary centrifugal speed, the secondary centrifugal speed and the tertiary centrifugal speed increase in sequence; The centrifugal coefficient is Lx, and the threshold range of the preset centrifugal coefficient is Lx1, Lx2, Lx1 <Lx2; If Lx≤Lx1, at this time, the data analysis module generates a first-level centrifugal speed; If Lx2≥Lx>Lx1, at this time, the data analysis module generates a secondary centrifugal velocity; If Lx>Lx2, at this time, the data analysis module generates three levels of centrifugal speed.

9. The rice wine fermentation byproduct recovery device according to claim 8, characterized in that: The training method of the machine learning model for predicting centrifugal time includes: Convert the collected historical training data set into a corresponding set of feature vectors; Each group of feature vectors is used as the input of the machine learning model, the machine learning model takes the centrifugation time corresponding to each group of centrifugal comprehensive influence data as the output, the centrifugation time actually corresponding to each group of centrifugal comprehensive influence data is used as the prediction target, and minimizing the loss function value of the machine learning model is used as the training target; training is stopped when the loss function value of the machine learning model is less than or equal to the preset target loss value; the machine learning model is SVM regression, random forest regression or neural network regression.

10. The rice wine fermentation byproduct recovery device according to claim 9, characterized in that: The comprehensive centrifugal influence data include density, viscosity, liquid-solid ratio, temperature and centrifugal speed of the lees.

Images