2412 results about "Tobacco leaf" patented technology

The invention provides a method for intelligently and accurately judging the color shape state of tobacco leaves in the curing process, and belongs to the technical field of tobacco leaf curing. The method comprises the steps that firstly, near infrared spectrum data and image data of the tobacco leaves are collected to establish a maturity grading standard, and internal chemical component characteristics and external chromaticity morphological characteristics of the tobacco leaves are extracted through preprocessing; respectively carrying out dimensionality reduction on the two types of data by utilizing a principal component analysis method to obtain principal component characteristics of the near infrared spectrum and principal component characteristics of the image; secondly, performing data fusion on the two types of features, performing feature importance weighting by applying a bimodal feature attention model, and learning different modal feature association and mapping relationships through a multi-head self-attention and mutual attention mechanism by the model; and according to the signal-to-noise ratio of the spectral data, the image definition score and the data consistency evaluation value, dynamically adjusting the modal weight, and finally constructing a tobacco state discrimination model based on weighted fusion data to realize accurate discrimination of the maturity grade of the tobacco.

The invention provides a tobacco leaf grade intelligent classification and quality evaluation method and system based on machine vision, and relates to the technical field of grade classification, and the method comprises the steps: collecting a tobacco leaf multi-angle image to obtain three-dimensional point cloud data, calculating the size, shape contour, surface fluctuation, color distribution and texture trend information of a leaf, and constructing a multi-scale feature descriptor; recursive feature screening is adopted to obtain an optimal weight coefficient, and a comprehensive evaluation index is generated; and determining the tobacco quality grade based on a preset grading threshold. According to the method, objective quantitative evaluation of the tobacco leaf quality is realized, the classification precision is improved, and the subjective difference of manual discrimination is reduced.

The invention discloses a baking method suitable for upper leaves of a flue-cured tobacco variety K326. The method comprises the following steps: S1, harvesting upper leaves of mature tobacco plants and loading them into a tobacco loading chamber of a flue-curing barn; and S2, baking the loaded upper leaves, wherein the baking comprises an early yellowing stage, a middle yellowing stage, a late yellowing stage, an early color fixation stage, a middle color fixation stage, a late color fixation stage, and a tendon drying stage. The dry-bulb temperature steadily increases in the seven stages of the early yellowing stage, the middle yellowing stage, the late yellowing stage, the early color fixation stage, the middle color fixation stage, the late color fixation stage, and the tendon drying stage. The wet-bulb temperature exhibits a "V"-shaped change in the five stages of the middle yellowing stage, the late yellowing stage, the early color fixation stage, the middle color fixation stage, and the late color fixation stage. In the middle yellowing stage and the late yellowing stage, the dry-bulb temperature remains unchanged, showing "double 39-40°C and double 41-42°C", respectively, while the wet-bulb temperature decreases by 0.5-1°C in the latter stage of each stage. The method bakes the upper leaves, significantly reducing the ash content and proportion of the upper leaves, increasing the hue of the tobacco leaves, and improving the proportion of tobacco leaf grades, thereby significantly improving the baking quality of the upper leaves and the income of tobacco farmers.

The invention provides an intelligent and accurate baking layering adjusting method for humidity gradient control, and belongs to the technical field of tobacco leaf baking. Humidity data in the vertical and horizontal directions are obtained through a sensor array, granularity ambiguity is calculated after an initial measurement matrix is established, sharpening preprocessing is performed, granularity stability of each layer is calculated based on a processing result, and the granularity stability of each layer is calculated. Analyzing and establishing a game equilibrium model in combination with a humidity mass transfer kinetic equation, outputting a coupling iteration degree, dynamically adjusting a sequence length parameter of a humidity gradient prediction model to generate a tobacco leaf baking humidity index, and generating a humidity distribution map to identify a key region and a time node according to the index; and constructing a tobacco leaf curing humidity floating matrix to record the humidity change track of each layer, performing trend prediction by adopting the adjusted prediction model, finally adjusting the temperature and humidity parameters of each layer in real time through an intelligent control algorithm to realize layered accurate control, continuously monitoring the humidity gradient change and dynamically optimizing a control strategy until a preset curing quality standard is reached.

The invention provides a tobacco leaf curing process control method and device based on reinforcement learning, and relates to the field of tobacco leaf manufacturing. The method comprises the steps that environment parameters and tobacco leaf physical and chemical indexes in a baking room are obtained, the environment parameters comprise temperature field distribution data, humidity data and gas concentration data, and the tobacco leaf physical and chemical indexes comprise water content data, morphological data and physiological activity data of tobacco leaves; constructing a multi-dimensional state vector based on the environmental parameters and the physical and chemical indexes of the tobacco leaves; processing the multi-dimensional state vector through a pre-trained hierarchical reinforcement learning model to generate a dynamic control parameter; and the heating power, the ventilation rate and the humidity compensation amount of the baking equipment are adjusted according to the dynamic control parameters. Through the technical scheme provided by the invention, the problem of insufficient adaptability of a traditional PID control method for baking tobacco leaves is solved, the adaptive capacity of the tobacco leaf baking control process is improved, and the tobacco leaf baking quality is improved.

The invention discloses enterobacter hormaechei XW-01 and a microbial preparation thereof, the strain (preservation number is CCTCC NO: M 20242595) can efficiently degrade protein, total sugar and nicotine in tobacco leaves, sensory indexes such as aroma and aroma quantity are remarkably improved, and protease activity is remarkably improved when the enterobacter hormaechei XW-01 and wheat bran act synergistically. The microbial preparation is obtained through the processes of strain activation, fermentation culture and microbial agent preparation, and when the microbial preparation is applied to tobacco leaf treatment, through the steps of water content adjustment, preparation spraying, sealed fermentation, low-temperature drying and the like, the technical breakthrough that the protein content is reduced, the tar release amount is reduced, and the comprehensive quality grade is improved is achieved. Compared with a traditional method, the technology has the advantages that the treatment period is shortened, the cost is greatly reduced, the COD value of wastewater is greatly reduced, the cigarette quality and the production environmental protection property are remarkably improved, and the method has a wide industrial application prospect.

The present invention discloses a flue-curing method for reducing ash on upper tobacco leaves. The method shortens the yellowing time at or before 38°C, maintains the same dry-bulb and wet-bulb temperatures at 40°C, stops the circulating fan, reduces the temperature and humidity difference between different tobacco layers in the flue-curing barn, then lowers the wet-bulb temperature. This process is repeated to cause the tobacco leaves to soften, wilt, and turn yellow. The dry-bulb temperature is then raised to 44°C, causing the main ribs to soften. The high temperature is then returned to 42°C, and the wet-bulb temperature is lowered by 1-2°C at 42°C to control the water loss of the tobacco leaves to 40-45%, inhibiting the activity of polyphenol oxidase and promoting yellowing. The dry-bulb and wet-bulb temperatures are then lowered by 1-2°C at the initial color setting stage, slowing the heating rate. A medium temperature, medium humidity, and slow heating are used for color setting in the middle color setting stage. The temperature is then slowly increased in the later color setting stage. The flue-curing time at a steady temperature of 54°C is extended to increase the water loss and dryness of the tobacco leaves. The wet-bulb temperature is increased during the dry rib drying stage. This method can significantly reduce the occurrence of ash on tobacco leaves and improve the appearance quality of the upper tobacco leaves after curing.

The invention discloses a method for identifying insect pests of tobacco leaves. The method comprises the following steps: S1, acquiring near infrared spectrum data and visible light image data of the tobacco leaves; s2, pre-processing parameters are dynamically adjusted according to the data quality indexes, smoothing processing and derivative calculation are carried out on the near infrared spectrum data, and spectrum feature vectors are obtained; s3, processing the visible light image data through a feature extraction algorithm to generate an image feature vector; s4, splicing the preprocessed spectral feature vector and the preprocessed image feature vector to form a fused feature vector; s5, a convolutional neural network model is used to process the fusion feature vector, and the convolutional neural network model comprises an attention mechanism so as to identify the insect pest type; and S6, outputting a pest recognition result. The method can solve the problems that in the prior art, the morphological characteristics of the tobacco diseases cannot be comprehensively captured due to data singleness, near infrared spectrum data are easily interfered by environmental factors, and the characteristics are lost after preprocessing, so that the accuracy of identifying the insect pests of the tobacco is improved.

The invention provides a flue-cured tobacco leaf image distortion correction enhancement method, and belongs to the technical field of flue-cured tobaccos. Distortion segmentation point detection is carried out on an obtained flue-cured tobacco leaf image, and an illumination change area caused by unevenness of a tobacco leaf surface is identified by using an illumination homogenization algorithm based on a Poisson equation; secondly, constructing a distortion jump point matrix to mark gray abrupt change positions caused by shadows and light reflection between adjacent areas, then decomposing and reconstructing multi-scale image features by adopting a Laplacian pyramid image fusion algorithm, and eliminating optical interference generated by surface fluctuation through a designed fusion rule; and finishing processing when the accuracy reaches a set range, otherwise, carrying out correction and optimization again, thereby solving the technical problem that the image quality and the subsequent analysis accuracy are influenced by shadow and light reflection generated during image acquisition due to unevenness of the tobacco leaves in the prior art.

The invention discloses a nucleic acid product, a kit and a method for detecting aspergillus and application of the nucleic acid product, the kit and the method in detecting mildewed tobacco leaves. The nucleic acid product comprises a primer pair and a probe for detecting aspergillus, the primer pair comprises an upstream primer with a nucleotide sequence as shown in SEQ ID NO: 1 and a downstream primer with a nucleotide sequence as shown in SEQ ID NO: 2, and the nucleotide sequence of the probe is as shown in SEQ ID NO: 3. The nucleic acid product can specifically detect aspergillus, can realize rapid detection of tobacco mildew based on qPCR technology, has high sensitivity, simple operation, low cost and fast detection speed, can complete the whole detection process within several hours, does not need uncapping in amplification and detection processes, and avoids aerosol pollution caused by uncapping detection in common PCR.

The utility model relates to the technical field of tobacco leaf curing equipment, in particular to a special supporting device for a curing barn, which comprises a left support and a right support which are arranged on two sides of the inner wall of the curing barn at equal height, a plurality of driven sliders are slidably arranged on the left support, a plurality of driving sliders are slidably arranged on the right support, and the driven sliders are mutually connected through hinge components. The corresponding side faces of the driving sliding block and the driven sliding block are each provided with a groove used for being inserted into the end of a tobacco rod or the end of a tobacco clamp in a matched mode. The device is simple in structure, can meet the requirement that workers carry out tobacco loading operation at the door of the curing barn and then enter the curing barn at equal intervals, and is simple in overall operation.

The invention provides a method for discriminating color uniformity of flue-cured tobacco leaves, and belongs to the technical field of flue-cured tobacco leaf detection.The method comprises the steps that a camera and a light source system are arranged above a conveying belt to dynamically obtain flue-cured tobacco leaf images, and a tobacco leaf area is extracted in a self-adaptive mode through an inter-class variance maximization algorithm; the method comprises the following steps: constructing four color feature matrixes of gradual change, sudden change, stability and chaos, optimizing linear independence of feature vectors by adopting a Gram-Schmidt orthogonalization process, and eliminating correlation among features through a feature space reconstruction algorithm based on feature vector orthogonalization; and calculating the pixel average value and the standard deviation of the tobacco leaf area, counting the number of pixels in the specified interval to obtain a color uniformity value, and adjusting the filter parameters and the image processing frequency according to the frequency domain characteristics to form a closed-loop feedback control system, thereby solving the technical problem that the accuracy of the color uniformity judgment of the cured tobacco leaves is insufficient.

The invention relates to bacillus megatherium XW-02 (the preservation number is CCTCC NO: M 2025185), a microbial preparation of the bacillus megatherium XW-02, and application of the microbial preparation. The bacillus megatherium XW-02 has the advantages that the preservation number is CCTCC NO: M 2025185; the strain can efficiently express xylanase through xylan induction, hemicellulose in tobacco leaves is remarkably degraded, chemical composition is optimized, and combustion harmful substances are reduced. The treated cigar has the advantages that the aroma richness is improved, the purity is improved, the taste mellowness is improved, and the overall quality is improved by 1-2 grades. The xylan extracted from agricultural wastes is used as an inducer to construct a green biological manufacturing system, the cost is reduced by more than 80% compared with the traditional process, and the emission of three wastes is reduced. The process compatibility is high, the method can be matched with an existing production line only by additionally arranging a strain culture module, the single-line annual tobacco leaf treatment amount reaches 500 tons, and economic benefits are remarkable. The invention provides a safe, efficient and environment-friendly quality improvement solution for the tobacco industry, and has great industrialization value.

The application discloses a kind of intelligent dynamic adjustment feeding machine and feeding method, belong to tobacco processing field, the feeding machine includes feeding device, cutting device, feeding device and controller, it is characterized in that: the cutting device includes first conveyor belt, first baffle being arranged in the both sides of first conveyor belt, and the cutter and the pressing mechanism that are driven by power device and reciprocate up and down between the first baffle of both sides, pressure sensor is arranged on the support of cutting device bottom, the controller is connected with the power mechanism of each device motion part and sensor signal;The application adopts automation control, realizes unmanned operation, improves equipment processing capacity and production efficiency, cutting device is cut off tobacco in the mode similar to guillotine, reduces to break, and for a large number of incoming materials can also be easily cut off;Meanwhile, according to the quality data measured by pressure sensor, the controller can control the running speed of first and second conveyor belts, realize the real-time control of the mass flow of tobacco, complete accurate feeding.

The invention provides a fresh tobacco leaf chlorophyll content integrated model prediction method, medium and system, and belongs to the technical field of tobacco leaf detection.The method comprises the steps that transmission spectrums of fresh tobacco leaves with different maturity degrees are collected and subjected to black and white correction; dividing the leaf into six areas, collecting spectrums, and calculating an average value; carrying out multiple pretreatments on the original spectrum and dividing a data set; analyzing and establishing a relationship between the chlorophyll content and the spectrum based on a photosynthetic pigment absorption mechanism, and screening key wavelengths; the FMR-NSGA multi-objective optimization algorithm is fused with the F test and mutual information method to screen characteristic wavelengths; dynamically eliminating redundant features by using a recursive feature elimination method; establishing a parameter mapping function, and automatically determining a model hyper-parameter according to the wavelength importance index; a Stacking framework is constructed, hyper-parameters are dynamically optimized by adopting a grey wolf optimization algorithm, the prediction precision is improved, and the technical problem of rapid and accurate prediction of the chlorophyll content of the fresh tobacco leaves is solved.

The utility model discloses a folding type movable belt loading and unloading machine, and relates to the technical field of material transferring, loading and unloading equipment. Comprising a rack, a loading and unloading transportation device, a lifting device, a moving device and a control box 10, the loading and unloading transportation device comprises a loading and unloading transportation fixing assembly and a loading and unloading transportation bending assembly; the loading and unloading transportation fixing assembly is low in left and high in right, the lower left portion of the loading and unloading transportation fixing assembly is connected with the left end of the rack, and the lower right portion of the loading and unloading transportation fixing assembly is supported by the upper ends of stand columns 17 arranged on the front side and the rear side of the upper right portion of the rack. The right end of the loading, unloading, transporting and fixing assembly is rotationally hinged to the left end of the loading, unloading, transporting and bending assembly. The upper end of the lifting device is rotatably hinged to the lower portion of the middle left portion of the loading, unloading, transporting and bending assembly, and the lower end of the lifting device is rotatably hinged to the right end of the rack. The automatic loading and unloading device has the characteristics of convenience in use, better stability, safety, reliability, loading and unloading functions and the like, and can be used for transferring agricultural and sideline products, industrial products and luggage goods such as kelp, tobacco leaves, beet, hemp fiber and the like.

The invention relates to a detection method and a detection system for an internal pore structure of tobacco leaves, and belongs to the technical field of tobacco detection. According to the method for detecting the internal pore structure of the tobacco leaf, the to-be-detected tobacco leaf is subjected to X-ray micro-CT scanning, so that a high-resolution visual image can be provided, detailed internal structure information of a tobacco leaf sample can be displayed, and related parameter information of the pore structure of the tobacco leaf can be quantitatively calculated through processing; comprise pore volume, surface area, porosity, layer-by-layer porosity and the like. Experimental results show that rapid characterization of the internal pore structure of the tobacco leaf can be realized by using the method, and technical support is provided for nondestructive research of the internal structure of the tobacco leaf and visual analysis. According to the method for detecting the internal pore structure of the tobacco leaf, the problems that the detection efficiency is low, the destructiveness is large and multiple detection technologies need to be used at the same time when the internal pore structure of the tobacco leaf is detected at present can be solved, and the internal pore structure of the tobacco leaf can be accurately and intuitively reproduced.

The utility model relates to a tobacco wheel type fixed-distance wire cutter which is characterized by comprising a base, a first supporting frame arranged on the left side portion of the base and a second supporting frame arranged on the right side portion of the base, the first supporting frame is rotationally connected with a first rotating disc used for winding iron wires, and the rotating axis of the first rotating disc is parallel to the ground. A winding iron wire is wound on the peripheral ring of the first rotating disc, the perimeter of the peripheral ring of the first rotating disc is 2.2-2.6 m, the second supporting frame is rotationally connected with a second rotating disc used for being sleeved with an iron wire ring, and the rotating axis of the second rotating disc is perpendicular to the ground. And a rotating shaft of the first rotating disc is connected with a handle for driving the first rotating disc to rotate. The tobacco wheel type fixed-distance wire cutter is convenient to operate and use when used for cutting iron wires with fixed lengths, and the efficiency is greatly improved.

The invention relates to the technical field of tobacco leaf element analysis, in particular to a detection method for volatile compounds in tobacco leaves and a clustering analysis method for the tobacco leaves. The method for detecting the volatile compounds in the tobacco leaves comprises the following steps: drying and pulverizing tobacco leaves to be detected to prepare sample powder of the tobacco leaves to be detected; extracting the mixed solution of the tobacco leaf sample powder to be detected and the internal standard solution by adopting a headspace solid-phase microextraction method to prepare an extracting solution; carrying out gas chromatography-mass spectrometry detection on the extract liquor; wherein an extraction head used by the headspace solid-phase microextraction method is a divinylbenzene / carbon molecular sieve / polydimethylsiloxane composite coating extraction head, and the parameters of the headspace solid-phase microextraction method are as follows: the extraction temperature is 75-85 DEG C, the extraction time is 45-55 minutes, the desorption time is 4-6 minutes, and the equilibrium time is 3-7 minutes. The method for detecting the volatile compounds in the tobacco leaves, provided by the invention, can effectively separate and analyze the volatile components, and is simple and efficient.

The invention relates to a walking deviation correction method for a crawler-type tobacco leaf loading machine of a bulk curing barn, which belongs to the technical field of tobacco drying equipment and comprises an inclined rotary lifting type tobacco loading mechanism, a double-motor crawler walking chassis and a walking deviation automatic correction system. The tobacco loading mechanism drives a lifting mechanism to obliquely rotate through an electric push rod and is matched with a secondary lifting device to realize full-layer tobacco loading; the crawler chassis is independently driven by double motors, is small in turning radius and adapts to a narrow space; the walking deviation automatic correction system achieves real-time deviation correction through sensor fusion and fuzzy control. The problems that traditional manual tobacco loading is low in efficiency and high in safety risk are solved, the curing barn does not need to be transformed, and the tobacco loading device is suitable for mechanical tobacco loading operation of the three-layer bulk curing barn.

The utility model discloses a mountain tobacco leaf automatic harvester conveyer which comprises two conveying parts and movable supports, the two conveying parts are fixedly connected to the movable supports on the corresponding sides, the distance between the two conveying parts is larger than the maximum diameter of tobacco plants and smaller than the average width of tobacco leaves, and the upper ends of the conveying parts are located over a top frame; the conveying part comprises an L-shaped conveying belt and a linear conveying belt; short arms of the L-shaped conveying belts are arranged at the lower parts of the harvesting parts on the corresponding sides, and long arms of the L-shaped conveying belts are arranged on the outer sides of the harvesting parts on the corresponding sides; the linear conveying belt is fixedly connected to the movable support on the corresponding side and is parallel to the long arm, and the distance between the linear conveying belt and the long arm is smaller than the thickness of tobacco leaves. The problem that in the prior art, tobacco leaves cannot be collected from a harvesting part while the tobacco leaves are matched with the harvesting part, and follow-up harvesting work cannot be disturbed is solved.

The invention belongs to the technical field of tobacco, and particularly relates to a method for manufacturing reconstituted tobacco through a thick slurry method, the reconstituted tobacco through the thick slurry method and an aerosol generating product. The invention provides a method for manufacturing reconstituted tobacco through a thick slurry method. The method comprises the following steps that A, reconstituted tobacco slurry containing a cross-linked essence and fragrance carrier is prepared; and B, the reconstituted tobacco slurry is subjected to tape casting, spreading and forming, and the reconstituted tobacco is obtained after drying and shaping. The cross-linked carrier generated by the reaction of cyclodextrin and binary acid is a better carrier for the tobacco flavor and perfume, has a loading rate higher than that of a traditional carrier (such as beta-cyclodextrin), also has better thermal stability, and is not easy to decompose during heating. As the thick slurry method inevitably needs a high-temperature drying step, the essence and fragrance carrier with good thermal stability can significantly improve the loading effect of the essence and fragrance in the product. The invention also provides the reconstituted tobacco and the aerosol generating product prepared by the method.

The invention discloses a reconstituted tobacco preparation method based on a compound enzyme technology, which comprises the following steps: carrying out surface impurity removal pretreatment on a reconstituted tobacco sheet base to obtain a standby sheet base; dissolving cellulase and pectinase in water according to a certain mass ratio to prepare an enzyme solution; the preparation method comprises the following steps: spraying a citric acid-disodium hydrogen phosphate buffer solution to the surface of a standby film base, then spraying an enzyme solution to the surface of the standby film base, carrying out an enzymatic hydrolysis reaction for 3-5 h under the conditions that the temperature is 40-50 DEG C and the humidity is 50-70%, and then drying the enzymatic hydrolysis film base for 30-50 min at the temperature of 70-80 DEG C. According to the method, a collaborative regulation system of cellulase and pectinase is constructed, the enzymolysis process is optimized, oriented improvement of the sour and sweet taste of the reconstituted tobacco is achieved, the aroma richness is remarkably enhanced, the overall acceptability is greatly improved, the technical problems that in a traditional process, the flavor is single, and enzymolysis regulation is extensive are solved, and the quality of the reconstituted tobacco is improved. And a green and efficient standardized solution is provided for quality upgrading of the reconstituted tobacco.

The invention discloses a tobacco drying control method, a tobacco dryer, a product and a medium. The method comprises the steps that running current noise of circulating fans is monitored in real time, when the amplitude of the noise exceeds a preset threshold value, a target thrust vector is calculated at the total gravity center of tobacco leaves according to the gravity of the tobacco leaves and the size of the noise, all the fans are controlled to act cooperatively to synthesize corresponding combined wind power, and therefore the pulling force of a tobacco frame with vibration on tobacco is reduced; in order to cope with extra heat generated in the process, the variable heat is calculated synchronously, the compressor power is adjusted in a self-adaptive mode, and it is ensured that the temperature in the drying room always meets the technological standard; and when the current noise is continuously lower than the threshold value, the conventional control of the fan and the compressor is automatically recovered. By implementing the technical scheme provided by the invention, the quality stability of tobacco leaf drying in a complex environment is improved.

The invention relates to the technical field of agricultural intelligent control, in particular to a deep learning flue-cured tobacco intelligent control method based on image recognition and moisture, which comprises the following steps of: acquiring a tobacco leaf surface image through image acquisition equipment, performing preprocessing and moisture monitoring analysis, and calculating a moisture content index by utilizing a near infrared spectrum technology; inputting the image into a deep convolutional neural network state recognition model, synchronously outputting tobacco leaf maturity grade and disease type information, constructing a long-short-term memory network time sequence prediction model, predicting a future water loss trend based on historical and current moisture data, generating a water loss state vector, and integrating environment parameters collected in real time. And performing fusion analysis on the multi-source information by adopting a multi-modal fusion algorithm to generate an optimal control strategy including adjustment of temperature and humidity, ventilation and irrigation parameters. Accurate sensing, intelligent decision making and closed-loop control of the flue-cured tobacco process are achieved, the flue-cured tobacco quality and production efficiency are remarkably improved, and the method is suitable for large-scale intelligent flue-cured tobacco production management.

The invention belongs to the technical field of tobacco processing equipment, and relates to an orbital transfer type automatic guide device and a guide method.The device comprises a grading and uniformizing module and a grading orbital transfer guide module which share one conveying belt, and the grading and uniformizing module is sequentially provided with a two-stage tobacco leaf uniformizing mechanism composed of centrosymmetric spiral structure guide shifting rollers in the conveying direction; the grading track-changing material guide module is provided with a plurality of track-changing material guide mechanisms consisting of spiral material guide shifting rollers and longitudinal belt conveyors; the problems that in the prior art, the material uniformizing effect is poor, material guiding distribution is unbalanced, and material blocking is likely to happen are effectively solved, the occurrence rate of material blocking is greatly reduced, production continuity is guaranteed, and frequent manual intervention is not needed.

The invention discloses a controlled-release fertilizer containing microorganisms and fermentation products thereof as well as a preparation process and application of the controlled-release fertilizer, and belongs to the technical field of bio-organic fertilizers. According to the invention, pediococcus acidilactici, klebsiella oxytoca and pseudomonas sp. With high efficient growth-promoting effects are screened, and the active strains and fermentation products thereof act on soil together to fix nitrogen, solubilize phosphorus and solubilize potassium, so that continuous nutrient supply is provided for crops. A fermentation product obtained by mixing the three strains according to the equal proportion is added, and active substances such as organic acid and polysaccharide are efficiently accumulated in fermentation liquor. The composite carrier composed of starch, humic acid and bentonite is added, trace elements are added, the stress resistance inducer is added, all the raw materials act together, the growth of tobacco is promoted, the use amount of chemical fertilizer is reduced, the content of potassium in tobacco leaves is increased, the quality of the tobacco leaves is improved, and the defects that an existing biological fertilizer is not high in specificity and not obvious in use effect are overcome.

The application discloses application of Pantoea B-3 in degrading cellulose in tobacco, and aims to solve the technical problems that cellulose in tobacco is difficult to degrade and there is lack of effective microbial method to improve tobacco quality. The Pantoea B-3 strain is isolated and screened from a cigar, and the preservation number is CCTCC NO: M 20221165. Metabolic enzyme products of the Pantoea B-3 strain can reduce the cellulose content in tobacco, improve the stimulation and bad smell in the smoking process of tobacco, and improve the safety of tobacco smoking. The process flow of the application is simple and efficient, the cost of tobacco treatment is low, the treatment period is short, the application is safe and reliable, the cellulose content in tobacco can be obviously reduced, and the quality of tobacco can be improved, and the application has good popularization and application value.

The utility model discloses a mountain tobacco leaf automatic harvester support with adjustable spacing, which comprises a controller, two support frames and a top frame, the two support frames are respectively connected with the lower part of the top frame in bilateral symmetry, and the spacing of the two support frames is matched with the width of a ridge body; the top frame is in a frame shape and comprises two frames parallel to the length direction of the space defined by the two supporting frames, and a plurality of fixing holes distributed in the length direction of the frames at equal intervals are formed in the frames. The supporting frame comprises a transverse rod, two vertical rods and two steering wheels, the middles of the two vertical rods are fixedly connected with the two ends of the transverse rod respectively, the lower ends of the two vertical rods are connected with the steering wheels respectively, grooves matched with the frame are formed in the upper ends of the two vertical rods respectively, and two positioning holes matched with the fixing holes are formed in the grooves. The positioning holes are connected with the fixing holes through positioning bolts, and the steering wheels are electrically connected with the controller. The problem that various ridge distances cannot be used in the prior art is solved.

The invention discloses a preparation method and application of a tobacco source aroma raw material rich in micromolecular aroma components, and the preparation method comprises the following steps: crushing and sieving tobacco leaves, adopting a 40% ethanol solution as a solvent, and carrying out long-time extraction and vacuum concentration under proper conditions to prepare a tobacco extract with set baume degree; the method comprises the following steps: unfreezing, activating and culturing a Wickerham LY13 strain to obtain a high-activity bacterial solution; inoculating the bacterial liquid into the tobacco extract, fermenting under a controlled condition, and enhancing the aroma components in a biotransformation manner; after fermentation is completed, fragrance components in different molecular weight ranges are finely separated out through a high-temperature sterilization and multi-stage membrane separation technology; the four groups of separated permeate liquid are used as the tobacco source flavor raw materials to be added into cigarettes, sensory evaluation is carried out, and the result shows that after the tobacco source flavor raw materials prepared through the method are applied to the cigarettes, the sensory quality of the cigarettes can be remarkably improved, and the effects of coordinating the tobacco flavor, increasing the smoke concentration, improving the aftertaste and the like are achieved.