114 results about "Moisture distribution" patented technology

The invention relates to the technical field of civil engineering, and discloses a road subgrade settlement prediction method and system based on multi-source data. The method comprises the following steps: acquiring and correcting a precipitation sequence and roadbed soil moisture distribution data; analyzing rainfall accumulation characteristics and carrying out penetration risk classification, thereby extracting a penetration depth estimation value, and utilizing finite element analysis to simulate a soil body saturation state change trend; quantifying a soil body supporting capacity reduction range, constructing and calibrating a settlement initiation probability calculation model, and obtaining settlement probability distribution; identifying a high-risk evolution area, integrating path weights and accumulated influence factors, and generating a settlement prediction interval subjected to multi-dimensional verification; and fusing the prediction interval and actual roadbed structure data through a geographic information system to generate a comprehensive evaluation report. According to the method, the whole-process accurate evaluation of the roadbed settlement risk from multi-source perception, mechanism simulation to space prediction is realized, and the accuracy and timeliness of the roadbed settlement risk prediction and the pertinence of engineering maintenance are improved.

The invention belongs to the technical field of intelligent moisture control of filter press filter plates and filter cakes, and relates to an intelligent moisture control method of a filter press filter plate and a filter cake integrated with a high-voltage-resistant electrode array. The method comprises the following steps: embedding a high-voltage-resistant electrode array into the surface of a filter plate, and detecting an electrical impedance parameter of each region in a filter cake forming process in real time; reconstructing water distribution in the filter cake in real time and generating a dynamic image by using the electrical impedance data of the plurality of groups of electrode pairs; meanwhile, establishing a mathematical model between the electrical impedance and the water content of the filter cake to obtain the real-time water content of the filter cake; and according to the moisture distribution image and the moisture content data, dynamically adjusting the parameters of the filter press through a closed-loop feedback system to realize accurate control of the moisture content of the filter cake.

The invention discloses an anti-condensation method for a closed cavity with a ventilation valve, and the method comprises the following steps: setting a plurality of measurement points in the closed cavity to obtain a moisture diffusion coefficient of each measurement point in the closed cavity, and fitting to obtain an influence function of temperature, humidity and a humidity adjusting material on the moisture diffusion coefficient; according to the moisture diffusion coefficient and each influence function, constructing a simulation model to simulate the distribution of moisture in the closed cavity; acquiring internal temperature and humidity and external environment information of the closed cavity; obtaining condensation conditions according to the internal temperature, humidity and external environment information of the closed cavity in combination with a moisture diffusion coefficient; and according to the moisture distribution and condensation conditions in combination with the simulation model, obtaining the use amount and position distribution of the anti-condensation humidity adjusting material. Condensation prevention of the closed cavity with the ventilation valve is achieved.

The invention relates to the technical field of image data processing, in particular to a multiband hyperspectral image fusion method for predicting surface moisture of coal, which comprises the following steps: acquiring visible light and near-infrared images and calculating reflection difference frequency, constructing a grade layer and then executing region mapping and brightness superposition, extracting pixel features and sorting and dividing threshold regions, and identifying boundary change and generating a graph block, and finally reconstructing a moisture distribution graph surface according to a gray scale. According to the method, pixel-level distinguishing is carried out through reflection differences of visible light and near-infrared images, hierarchical layers are constructed based on multi-band reflection changes, layer stacking and classification are completed in combination with characteristics such as brightness, edge changes and space concentration ratio, moisture region boundaries are delimited, and moisture level maps are generated according to gray scale sorting. Fine grading and boundary positioning of the moisture content are realized, the prediction precision is improved, the problems of single-band processing limitation and fusion information loss are solved, and the identification capability of the moisture area in the complex coal surface environment is enhanced.

The invention relates to the technical field of industrial detection, and discloses a high-precision petroleum coke moisture content analysis system, which comprises a petroleum coke multispectral characteristic processing module, a moisture analysis algorithm matching module and a moisture content execution module, petroleum coke is finely divided into three independent analysis levels of fine powder, medium particles and coarse particles according to particle sizes, detection weights are dynamically distributed based on mass proportions of all the particle sizes, when the proportion of the fine powder exceeds a critical threshold value, the system automatically improves the detection weights of the fine powder, the high water absorption characteristic of the fine powder caused by sharp increase of the specific surface area is captured, and the detection accuracy is improved. Aiming at the capillary moisture adsorption phenomenon caused by fine powder enrichment, the system generates a compensation coefficient positively correlated with the fine powder concentration in real time, the structural deviation caused by neglecting the particle size-moisture relevance in a traditional method is eliminated, the detection precision of a high-fine powder sample reaches a new height, a three-dimensional moisture distribution diagram is constructed through a distributed sensor network, and the detection precision of the high-fine powder sample is improved. The inherent defect that materials are regarded as a static homogeneous system in a traditional method is overcome.

The invention discloses an energy-saving control method and system for an oatmeal low-temperature wheat drying tower, and relates to the technical field of agricultural and sideline food processing.The method comprises the steps that incoming material characteristic parameters of the feeding end of the oatmeal low-temperature wheat drying tower, working condition parameters of current drying sections and tempering sections and environment parameters are obtained in real time; inputting into a material drying state prediction model and a waste heat prediction model, and outputting a real-time moisture distribution feature vector and a material temperature prediction value of a current tempering section outlet; calculating to obtain a waste heat potential coefficient of the characterization material in the current state; constructing a second state vector, inputting the second state vector into a pre-trained energy-saving control optimization model, and outputting to obtain an energy-saving control instruction set of a next drying section; and according to the energy-saving control instruction set, performing energy-saving adjustment on an execution mechanism of the wheat drying tower. The technical problems that an existing low-temperature wheat drying tower is low in energy utilization efficiency, and self-sustaining waste heat of materials in a tempering section cannot be fully utilized are solved.

The embodiment of the invention provides a method and device for obtaining the humidity of fabric in a fabric treatment appliance, and the method comprises the following steps: during the drying operation period of the fabric treatment appliance, obtaining the humidity of the fabric; acquiring an air temperature parameter of the fabric treatment appliance related to air circulating in the fabric treatment appliance during the drying operation and a drainage characteristic parameter related to liquid water separated from the fabric in the fabric treatment appliance through the drying operation; a humidity of the fabric in the fabric treatment appliance is determined based at least on the air temperature parameter and the drainage characteristic parameter. The application also relates to a fabric treatment appliance and a computer program product. According to the method and the device, the real-time humidity of the fabric can be determined without being influenced by the accumulation form and humidity distribution of the fabric, so that the measurement accuracy of the humidity of the fabric is improved, and a humidity sensor with high cost and limited measurement conditions is prevented from being used; therefore, the technical purpose of accurately obtaining the humidity of the fabric in the fabric treatment appliance at low cost is achieved.

The invention belongs to the technical field of food processing, and particularly relates to a preparation method and application of resistant starch. By optimizing drying process parameters (temperature, humidity control and the like), the damage of spray drying (high-temperature hydrogen bond damage), vacuum freeze drying (water loss of a crystal channel caused by sublimation of ice crystals) and traditional hot air drying (untimely loss of bound water caused by unregulated moisture distribution) to the starch double-helix structure in the prior art is effectively avoided. By maintaining a moisture environment required by recrystallization of starch molecules, ordered arrangement of starch chains is promoted, the relative crystallinity of the resistant starch is remarkably improved, and the problems of incomplete crystal structure and limited digestion resistance caused by an existing drying process are solved; and a key technical support is provided for large-scale application in the fields of baked foods, meal replacement products, pharmaceutical preparations and the like.

The invention discloses an in-situ detection device and method integrating an electrochemical impedance spectroscopy technology and static sounding, and aims to realize synchronous in-situ detection of macromechanical parameters and microcosmic electrochemical properties of a soil body so as to improve the comprehensiveness and accuracy of geotechnical engineering field test. The device comprises an electrochemical test probe rod, a static sounding annular probe and a test analyzer, and the electrochemical test probe rod is provided with a linearly arranged three-electrode system and is integrally installed through an insulation module; the static sounding annular probe is provided with a plurality of sensors; the test method comprises the steps of connection of the test analyzer and the probe rod, penetration of the probe into the soil body, electrochemical test parameter setting, impedance spectrum acquisition, data fitting analysis and the like. Compared with a traditional drilling collection method, the method has the advantages that the original state of the soil body can be effectively kept, and meanwhile, the stratum structure identification, the moisture distribution prediction and the unfrozen water content analysis are realized in combination with the microscopic information obtained by the electrochemical impedance spectroscopy and the static sounding mechanical indexes, so that the macroscopic and microscopic properties of the soil layer are comprehensively reflected.

The utility model relates to the technical field of agricultural machinery, in particular to a high-speed rice transplanter seedling feeding device capable of pre-humidifying seedlings, which comprises a seedling feeding device, the seedling feeding device comprises a seedling feeding table, a seedling pressing rod, an electric seedling feeding belt and a seedling taking port, a pre-humidifying mechanism is arranged on the seedling feeding table, and the pre-humidifying mechanism comprises a support frame, a supporting rod and a driving device, one end of the supporting frame is fixedly connected to the outer wall of the seedling feeding table, and the other end of the supporting frame is fixedly connected with a water conveying pipe. The pre-humidifying mechanism is arranged, the suction head is placed in the water source, the water source can be a water bucket, then the water pump is started, and the inclined nozzle rotates to spray water, so that water is more uniformly scattered on seedlings, and the situation that local seedlings are excessively humidified while other parts are insufficiently humidified is avoided; the humidity of the whole seedling area is ensured to be consistent, and in the seedling conveying process, uniform humidification is beneficial to maintaining the moisture balance of the whole seedlings, and uneven moisture distribution is prevented.

The invention relates to a method, in particular a computer-aided method, for monitoring the moisture of a fixed insulation arrangement (I) and / or a liquid and / or gaseous insulating medium of an electrical device (1), in particular a transformer (1) or a choke, which is in contact with a fixed insulation arrangement (I), wherein the method comprises the following steps: S1) a simulation model of the electrical device is provided and / or created; S2) a simulation of the moisture distribution in the electrical device (1), in particular in the fixed insulation arrangement (I) and / or in the insulating medium, is carried out using the simulation model.

The invention relates to the technical field of industrial control systems, in particular to a multi-data real-time acquisition control system for wheat wetting, which comprises a segmented water injection control unit used for controlling a water injection execution mechanism according to a segmented water injection proportioning scheme to inject water into wheat in a stirring or material turning state in a multi-time small-dose interval manner; and the wettability calculation unit is used for introducing the wettability index, collecting second data in the stage of segmented water injection and wheat wetting standing, analyzing the moisture distribution difference and the time change trend of the wheat at different positions according to the second data, and calculating the wettability index of the current batch of wheat according to a wettability evaluation model. The wettability index of the current batch of wheat is calculated according to the wettability evaluation model, the wettability index is compared with a preset wettability target threshold value through a threshold value judgment unit, a wheat wetting completion instruction is automatically output when the threshold value is reached, and an adjustment strategy is generated according to wettability index deviation and multi-parameter change when the threshold value is not reached.

The invention discloses a glazing device for ceramic sculpture processing, and relates to the technical field of glazing, the glazing device for ceramic sculpture processing comprises a supporting frame, a bottom plate is fixedly connected to the supporting frame, and a supporting side plate is fixedly connected to the supporting frame. Before a ceramic sculpture green body is glazed, water is continuously sprayed to the first rolling brush and the second rolling brush through the spray head, and brushing water replenishing is performed on the ceramic sculpture green body between the first rolling brush and the second rolling brush, so that manual water replenishing is not needed, non-uniform water distribution caused by manual water replenishing is avoided, and the quality and appearance of a glaze surface are improved; and before the ceramic sculpture blanks are glazed, a screw rod is manually rotated, and the distance between a rolling brush I and a rolling brush II is adjusted, so that the ceramic sculpture blanks with different sizes are uniformly moisturized, the glazing effect is improved, the glazing is more uniform and firmer, and the texture and attractiveness of ceramic works are improved.

This invention discloses a microwave drying uniformity optimization strategy based on COMSOL simulation: S1, establish a three-dimensional numerical simulation model of electromagnetic field and heat, mass transfer and velocity field using COMSOL; S2, COMSOL simulates the model using a preset "constant microwave power strategy"; simulates and analyzes the temperature, moisture distribution and microwave energy absorption law inside the material under constant microwave power; S3, COMSOL simulates the model using a preset "intermittent variable microwave power strategy"; simulates and analyzes the temperature, moisture distribution and microwave energy absorption law inside the material under constant microwave power; S4, verify the accuracy and data consistency of the simulation conclusions of "S2" and "S3" through experiments; if the simulation conclusions and data deviate too much from the experimental conclusions and data, return to "S1" and re-optimize the three-dimensional numerical simulation model; thus achieving a significant improvement in the microwave drying uniformity of raspberry pulp.

The invention discloses a medium and late maturing corn precise cultivation method and system based on density regulation and control, and particularly relates to the field of agricultural plant cultivation environment control. A difference value is generated by collecting plant spacing information, a leaf area index is compared with a photosynthetic parameter, the growth state of crops in a region is judged, and water supply is adjusted according to the growth state; the cultivation density is optimized in combination with real-time environmental parameters, finally, the corresponding relation between the water demand and the cultivation density is converted into irrigation regulation and control, and accurate management of the corn in the dynamic environment is achieved. According to the method, through step-by-step difference calculation, parameter comparison and matching adjustment, the cultivation space distribution is balanced, and the problem caused by local over-density or over-sparse is avoided; through crossover operation of the leaf area index, the photosynthetic rate, the transpiration rate and the temperature, dual matching of the health index and the density is formed; through difference comparison of moisture and density correlation, dynamic adjustment of the irrigation amount is achieved, moisture distribution among plants is more reasonable, and the accuracy of cultivation management is improved.

The invention provides a water and fertilizer control system and method based on artificial intelligence, and the method comprises the steps: extracting a chlorophyll absorption index of a crop in a current growth stage and a vegetation index of a growth environment from a canopy multispectral image of the crop, and carrying out the nutrition diagnosis of the growth environment of the crop based on the chlorophyll absorption index and the vegetation index. Obtaining the nutrition stress state of each nutrient element, and determining the target fertilizer solution concentration of each nutrient element according to each nutrition stress state; determining the crop coefficient of the crop in the current growth stage, and performing moisture balance on the crop growth environment according to the crop coefficient, the moisture distribution characteristic in the soil moisture content data and the rainfall evaporation characteristic in the meteorological information of the crop growth environment to obtain the net water demand of the crop in the current growth stage; and generating a fertilization control instruction for directly driving the water and fertilizer integrated equipment based on each target fertilizer solution concentration and the net water demand. Based on the scheme, collaborative decision-making of water and fertilizer supply and demand in a crop growth environment can be realized.

The utility model relates to the technical field of double-shaft mixing machines, and provides a double-shaft mixing machine for laying hen premix production, which comprises a rack, a mixing box, two partition plates, a mixing mechanism, a discharging mechanism and a rotating mechanism, the mixing box is rotatably connected in the rack, the two partition plates are fixedly connected in the mixing box, the mixing mechanism is arranged on the two partition plates, and the discharging mechanism is arranged on the rack. The mixing box is arranged on the rack and is used for mixing and stirring feed, the discharging mechanism is arranged at the top end of the mixing box and is used for uniformly discharging nutrient substances, and the rotating mechanism is arranged on the rack and is used for driving the mixing box to overturn and discharge. The problem that the mixing uniformity is easily influenced due to the fact that the powder is easily adhered to a place with higher humidity and nutrient substances are difficult to adhere to a place with lower humidity in the prior art is solved.

The utility model relates to mine support technical field, concretely is mine slope support device, including frame, be equipped with spraying mechanism on the frame, the spraying mechanism includes a plurality of sheltering lid, screw rod, a plurality of support pipe, communicating groove and connecting mouth, the support pipe all are fixedly connected with the hose, all are fixedly connected with atomizing nozzle on the hose, all are fixedly connected with the hinged seat on the sheltering lid, the screw rod is connected with the lifting seat on the screw thread, the lifting seat is fixedly connected with a plurality of round rods, all are rotatably connected with the linkage link on the round rod, the utility model's beneficial effects are: the spraying mechanism uses, and the powerful water pressure can drive the hose irregular rotation, and then drive the nozzle to spread the water mist and spray in a large range, make the fixed frame internal space can all even contact the water mist, effectively avoid the problem that the edge moisture concentrates, the moisture penetration is uneven in the middle part, guarantee the moisture distribution consistency in the area.

The invention discloses a microwave drying uniformity optimization strategy based on COMSOL simulation. The microwave drying uniformity optimization strategy comprises the steps that S1, a three-dimensional numerical simulation model of an electromagnetic field and a heat and mass transfer and velocity field is established through COMSOL; s2, the COMSOL performs analog simulation on the simulation model by adopting a preset'constant microwave power strategy '; simulating and analyzing the temperature, moisture distribution and microwave energy absorption rule in the material under the constant microwave power; s3, the COMSOL performs analog simulation on the simulation model by adopting a preset'intermittent variable microwave power strategy '; simulating and analyzing the temperature, moisture distribution and microwave energy absorption rule in the material under the constant microwave power; s4, verifying the accuracy and data coincidence of analog simulation conclusions of the S2 and the S3 through a test; if the deviation between the analog simulation conclusion and data and the experimental conclusion and data is too large, returning to the step S1 and re-optimizing the three-dimensional numerical simulation model; and the microwave drying uniformity of the raspberry pulp is remarkably improved.

This invention discloses a humidification device for nylon porous fine denier elastic yarn, relating to the field of chemical fiber processing technology. The invention includes a support base beam, on which a support column is fixedly connected, and on which a humidification shell is fixedly connected. Support end plates are respectively provided on both sides of the humidification shell; one support end plate is connected to a return box, and the other support end plate is connected to a humidification tube. The return box is provided with an inlet guide ring, and the humidification tube has an outlet hole. A moisture distribution box is provided inside the humidification shell, and a condensation filtration mechanism is provided inside the moisture distribution box. This invention, through graded filtration and flow equalization, condensation regulation, and continuous humidification, avoids concentrated moisture impact on the yarn bundle, reducing yarn shaking, adhesion, fuzzing, and breakage, and ensuring continuous and uniform humidification of the yarn bundle along the running direction.

The present application relates to the technical field of detection and optimization of oil paper insulation material, and provides a method and system for determining moisture distribution in oil paper insulation under different temperature fields, which comprises the following steps: an oil paper insulation state evaluation step: a physical model of the oil paper insulation is established, and insulation performance indexes of the oil paper insulation are calculated based on historical operation data and the physical model; a moisture distribution determination step: the distribution of moisture in the oil paper insulation is analyzed based on the insulation performance indexes, and if the deviation of the moisture distribution from an expected distribution is greater than a first threshold value, a detection or treatment strategy is adjusted so that the deviation of the moisture distribution in the oil paper insulation from the expected distribution is less than or equal to the first threshold value; an insulation performance optimization step: if the insulation performance of all the oil paper insulation meets a predetermined standard, the detection ends; otherwise, the insulation performance of a region to be optimized is optimized, and the moisture distribution determination step is returned; the present application can effectively guarantee the reliability of the oil paper insulation and prolong the service life thereof.

The invention provides an automatic soil moisture distribution measuring method based on multi-source data decoupling. The automatic soil moisture distribution measuring method comprises the following steps: collecting multi-source heterogeneous data and carrying out time alignment operation; performing feature enhancement and decoupling on the multi-source heterogeneous data to obtain anti-interference features; performing tensor fusion on the anti-interference features, and constructing a credibility weight matrix; performing feature matching on the multi-source heterogeneous data and a soil database to determine a soil type; taking the soil type as a constraint condition, and combining with the credibility weight matrix to construct a characteristic equation; solving the characteristic equation through a two-channel network model to obtain a theoretical moisture value; performing interpolation operation on the theoretical moisture values in the space-time coordinate system based on the plurality of theoretical moisture values to obtain a three-dimensional moisture field; and performing gradient calculation on the three-dimensional moisture field through a finite element analysis method to obtain a real moisture value. According to the method, through dynamic alignment of multi-source heterogeneous data, anti-interference feature decoupling and soil type constraint modeling, the precision and universality of soil moisture measurement are improved.

The invention discloses a quality-energy consumption collaborative optimization apple slice radio frequency vacuum drying intelligent regulation and control strategy, which comprises the following steps: monitoring parameters such as moisture content and temperature of apple slices in real time, adjusting process parameters (drying temperature, vacuum degree and polar plate spacing) of radio frequency vacuum equipment in stages, supplying energy as required according to the water removal requirement of the apple slices, and carrying out vacuum drying on the apple slices. And the drying energy consumption is effectively reduced, and accurate drying is achieved. And tempering is added in the two drying processes, so that water distribution in the apple slices is balanced, and the phenomenon of local overheating in subsequent drying is prevented. Through the strategy, the energy consumption required by drying is effectively reduced, the nutritional ingredients of the prepared dried apple slices are effectively reserved, and the color and luster are excellent. The problems of high energy consumption and long consumed time in the prior art are effectively solved, and the drying quality of the apple slices is remarkably improved.

The invention discloses a soil conservation device applied to an agricultural photoelectric station and a conservation method, and relates to the technical field of water and soil conservation. The soil conservation device comprises a water collection mechanism and a buffer unit, and the detachable water collection mechanism is arranged at the lower end of a photovoltaic panel and the buffer unit is arranged on the soil surface; rainwater originally dripping along the lower edge of the photovoltaic panel in a concentrated mode can be effectively collected and dispersed, scouring and erosion to soil are remarkably reduced, and the surface structure of cultivated land is protected. According to the device, part of rainwater is guided into the soil below the photovoltaic panel through the recharge channel, the problem of drought under the panel caused by shielding is relieved, and the uniformity of soil moisture distribution is improved. The device is simple in structure and convenient to install and maintain, and the agricultural photoelectric station does not need to be transformed. The conservation method comprises the steps of parameter setting, installation and operation, external energy is not needed, maintenance is easy and convenient, the soil structure is effectively conserved, the cultivated land quality is improved, and meanwhile engineering feasibility and economical efficiency are achieved.

This application discloses a method, device, and medium for monitoring moisture in wheat warehouses. The method includes: data modeling of the warehouse used for storing wheat to obtain a warehouse model, and dividing the warehouse into several storage units within the warehouse model; determining the core data corresponding to each storage unit; analyzing the current state of the warehouse based on the warehouse model and the collected current data; and locating the current abnormal state based on the warehouse's structural data. Through data modeling and storage unit division, this method solves the problems of difficulty in detecting the causes, scope, and severity of abnormal wheat moisture levels, as well as the inaccurate problem location and untimely handling. It enables real-time early warning of abnormalities such as uneven wheat moisture distribution, excessively high wheat moisture, excessively rapid moisture changes, excessive moisture differences between adjacent points, mold, and compaction within the warehouse.

The application discloses a kind of rice water absorption performance classification and moisture distribution optimization method and control system, by analyzing the water absorption performance of rice, moisture diffusion distribution, realizes the accurate control of rice cooking process.First, the water absorption performance of rice is classified using support vector machine algorithm, and the moisture distribution equation is constructed to calculate the internal moisture distribution of rice.Then, according to the moisture distribution, the heat transfer process is optimized.Finally, the heating power is dynamically adjusted, the internal heat distribution of rice is optimized, and the uniformity of moisture absorption is realized.The application accurately controls the whole process of rice cooking by multidimensional data analysis and intelligent algorithm application, effectively improves the consistency and taste of rice quality, and provides a new technical scheme for intelligent cooking equipment.

The invention discloses a method for regulating and controlling the quality of ready-to-eat poultry meat based on composite treatment of thermal ultrasound, a germinating agent and a licorice extract, and belongs to the technical field of food processing. The method comprises the following steps: performing germination induction treatment on meat products by adopting a germinating agent, then adding a licorice extract, mixing, performing thermal ultrasonic treatment, and finally performing vacuum packaging and storage. According to the method, the color stability of the instant chicken breast can be remarkably improved, the meat color is natural and bright, the sensory acceptance of the product is remarkably improved, the moisture distribution of the chicken breast can be effectively regulated and controlled, free water loss is reduced, the proportion of water not prone to flowing is increased, the water-retaining property of the product is enhanced, the phenomena that the meat is dry and tender are improved, and the eating juiciness and palatability are improved; characteristic flavor substances can be stably reserved, loss of key flavor components such as alcohols and esters is reduced, generation of putrefying peculiar smell is inhibited, the flavor of the product is purer, the flavor consistency in the shelf life is higher, and the problem that the flavor is seriously deteriorated in traditional high-temperature sterilization is solved.

The invention discloses application of oil tea cake protein in improving 3D printing performance of plant meat, and belongs to the technical field of food processing. According to the application, part of plant protein in the polysaccharide / protein composite system ink adopted for plant meat 3D printing is replaced by oil tea cake protein. The camellia oleifera cake protein is successfully developed and applied to preparation of the 3D printing plant meat, the apparent viscosity and storage modulus of the ink can be improved by adding the camellia oleifera cake protein, formation of a compact structure and change of moisture distribution of the ink are promoted, and the camellia oleifera cake protein shows excellent rheological adaptability; a printing sample has good self-supporting performance and printing precision. In addition, after the oil-tea cake protein is added, the thermal stability and the oxidation resistance of a printing sample are remarkably enhanced, and the protein digestibility is also improved to a certain extent. The oil-tea cake protein is extracted from the plant waste oil-tea cake, a sustainable protein raw material is provided for 3D printing in the food industry, and the additional value of the tea seed cake is increased.

The hot air circulation drying system comprises a bottom plate, a shell is fixedly connected to the upper end of the bottom plate, a processing cavity is formed in the shell, rectangular openings are formed in the inner walls of the left side and the right side of the processing cavity, and a fabric body is arranged on the two rectangular openings in a penetrating mode; the drying mechanism comprises a U-shaped plate arranged in the processing cavity, two horizontal parts of the U-shaped plate are located on the upper portion and the lower portion of the fabric body respectively, cavities are formed in the two horizontal parts of the U-shaped plate, and air-blowing strip-shaped openings are formed in the opposite side walls of the two cavities. The drying system adopts circulating drying, heat energy loss is reduced, in addition, in the drying process, airflow can be used for intermittently blowing the upper side and the lower side of the fabric, fabric shaking is achieved through fabric elasticity, moisture distribution on the surface of the fabric is destroyed through the mechanical action, internal moisture is promoted to migrate to the surface, and the overall drying speed is increased.

The application provides a method for analyzing tobacco moisture migration characteristics based on LF-NMR technology, and belongs to the technical field of electric digital data processing.The method comprises the following steps: standardizing sample pretreatment, determining moisture state by low-field nuclear magnetic resonance, establishing a moisture migration dynamic model, calculating a moisture diffusion coefficient matrix, constructing a moisture loss prediction model, adjusting migration parameters by using a moisture diffusion optimization function, analyzing whole-leaf moisture distribution by using a neural network model of a multi-scale attention mechanism, performing different temperature gradient experiments, analyzing moisture migration difference between main veins and leaf tissue, and verifying prediction model accuracy, so that precise quantitative analysis of tobacco moisture migration dynamic characteristics in different microstructures is realized.The method combines low-field nuclear magnetic resonance technology with moisture diffusion theory and deep learning, accurately identifies moisture migration characteristics in tobacco microstructure, and provides a scientific basis for tobacco curing process optimization.