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85 results about "Tobacco water" patented technology

Tobacco water, tobacco juice, tobacco dust juice, or tobacco lime is a traditional organic insecticide used in domestic gardening. In The English Physician Enlarged of 1681, Nicholas Culpeper recommends tobacco juice to kill lice on children's heads, referencing it as an insecticide poison. Farmers have been using nicotine sulfate insecticide since the early 19th century.

Method for testing tobacco water content based on time domain nuclear magnetic resonance inversion peak area

The invention relates to a method for testing tobacco water content based on a time-domain nuclear magnetic resonance inversion peak area. The method is characterized in that a CPMG sequence is used on a time domain time-domain nuclear magnetic resonance, 4-6 of the tobacco standard samples with different qualities are measured, a transverse relaxation spectrum of the standard sample is obtained by SIRT inversion of an original data, a primary peak area of the transverse relaxation spectrum is recorded, the water content of the standard sample is measured by using a microwave drying method, a standard curve of the primary peak area data and the water content of the standard sample is established, the sample with water content to be measured is measured, the obtained primary peak value is substituted into the standard curve, the water content of the to-be-measured sample is obtained, and the water content of the to-be-measured sample is obtained. The interference of an oil signal in a tobacco sample can be eliminated, influence of oil fraction in the tobacco is not generated, detection speed is fast, and the result is accurate. The sample preparation and solvent consumption are not required, the defect that the oil and water signals in the tobacco cannot be distinguished when a nuclear magnetic signal method is used for measuring water content of the tobacco, and the accuracy for measuring the water content of the tobacco oil-water signal sample is increased.
Owner:CHINA TOBACCO HEBEI INDUSTRIAL CO LTD +1

Method for extracting tobacco aroma substance from tobacco raw materials in directional and combined manner by using water extraction method and supercritical CO2 extraction method

The invention relates to a method for extracting a tobacco aroma substance from tobacco raw materials in a directional and combined manner by using a water extraction method and a supercritical CO2 extraction method. The method comprises the steps of (1) directionally extracting a polar aroma substance from tobacco by the water extraction method; (2) directionally extracting a nonpolar aroma substance from the tobacco by the supercritical CO2 extraction method; (3) mixing the polar aroma substance and the nonpolar aroma substance, wherein the proportioning ratio of the polar aroma substance to the nonpolar aroma substance is 1000: (0.1-5). According to the method, the used tobacco raw materials are tobacco leaves, cut tobaccos or wastes, such as tobacco powder, tobacco ash or tobacco stems of tiny grains, generated during tobacco processing, so that the waste is changed into the valuable, and the pollution to the environment is reduced; a water extraction tobacco concentrate and a supercritical CO2 tobacco extract are mixed in an appropriate ratio, and a composite aroma material is sprayed to reconstituted tobacco, so that the quality of the reconstituted tobacco is improved, the aroma amount is increased, the aroma charm is improved, the natural tobacco aroma is set off, the smoke dryness is lowered, the smoke-induced saliva secretion feeling is enhanced, and the degree of comfort of cigarette is increased.
Owner:CHINA TOBACCO ZHEJIANG IND +1

Manufacturing of tobacco water content detection standard sample and oven calibration method

The invention relates to a manufacturing method of tobacco water content detection standard sample and steps for applying to calibrate an oven, and is characterized in that, when the feed level is the same level in the same region only, the method comprises the following steps: sampling in the tobacco box at the packing pre-pressing place, removing the impurity from the sample, separating the peduncle leaves, removing the tobacco peduncle, taking the leaves and crushing through the whirlwind grinder, sieving, after mixing symmetrically by using the sampler, collecting in the sealed container,discharging the air, after a period of time, adequately symmetrically mixing the samples, respectively detecting the samples by all ovens according to the 'oven method', and then calculating the average water content rate of all detected samples, wherein the average valve is determined as the standard water content rate, the prepared sample is the standard sample, and the prepared standard sampleis used for calibrating the oven according to the oven method. The invention is capable of effectively standardizing and unifying the standard sample in the industry for water content detection and oven calibration, evaluating the accuracy of oven, and unifying the scaling range of oven in the industry, and generally improving the accuracy of oven in the industry and the stability for detecting the water content.
Owner:YUNNAN TOBACCO LEAF

Automatic weighing device for detecting moisture adsorption and desorption performance of tobaccos

The utility model discloses an automatic weighing device for detecting the moisture adsorption and desorption performance of tobaccos. The device comprises a sample placing unit arranged in an adsorption and desorption chamber and a weighing unit for detecting the weight of a sample. The device is characterized in that the sample placing unit comprises a rotating disc provided with a plurality ofsample grooves and a rotating disc driving mechanism. The driving mechanism comprises a rotating motor and a lifting cylinder, the rotating motor is fixed to a sliding block of the lifting cylinder and can reciprocate up and down under the action of the lifting cylinder, a rotating shaft of the rotating motor is fixedly connected with the rotating disc, a coding disc is arranged on the rotating motor, and the weighing unit comprises a mass detection module arranged in a mass detection module protection chamber and a weighing tray which is arranged in the adsorption and desorption chamber and is located under the sample disc. The device has the advantages that the automation degree is high, human interference is reduced, the experiment accuracy is improved, the real-time data detection andautomatic recording of multiple samples under the user-defined acquisition frequency (6-30 seconds/sample) can be realized, and the detection efficiency is improved.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI +2

Method for selecting spectrum scope in tobacco water-soluble sugar near infrared quantification model

ActiveCN104155262AOptimal spectral rangeSolve the problem of choosing the best spectral intervalMaterial analysis by optical meansCorrelation coefficientMean square
The invention relates to a method for selecting spectrum scope in tobacco water-soluble sugar near infrared quantification model. Through research of a molecule structure of water-soluble sugar, synthesis frequency and frequency multiplication absorption scope at a near infrared spectrum of hydrogen containing group in the water-soluble sugar can be deduced, an interaction verification correlation coefficient and interaction verification mean square deviation of a near infrared model are taken as evaluation indexes for further optimization, and optimum spectrum scope of tobacco water-soluble sugar when the near infrared quantification model is established can be finally determined. Three different spectrum scopes are used for establishing the near infrared quantification model of tobacco water-soluble total sugar and reducing sugar, and then a comparison is carried out. A)a whole spectrum scope is 3800-10000cm<-1>; B)a spectrum scope is selected through automatic optimization by TQ Analyst; and C)the spectrum scope is determined through molecular structure analysis. According to the data, the evaluation index of the model is obviously better than other two methods through the molecular structure analysis.
Owner:CHINA TOBACCO ZHEJIANG IND

Automatic weighing and material supplementing device for tobacco flake finished products

The invention discloses an automatic weighing and material supplementing device for tobacco flake finished products. The automatic weighing and material supplementing device for the tobacco flake finished products comprises a conveying belt (2); a crossed feeding belt (16) is arranged at the discharging end of the conveying belt; pre-pressing pipelines (3) are arranged at the two ends of the crossed feeding belt correspondingly; a material supplementing bin (8) is arranged in the side direction of each pre-pressing pipeline; a first conveying roller (7) is arranged below each pre-pressing pipeline (3); a tobacco box (6) is positioned on the first conveying roller (7); a second conveying roller (7a) is arranged below the material supplementing bin; a rail (14) is arranged between the first conveying roller and the second conveying roller; a transfer trolley (12) is arranged on the rail; the pre-pressed tobacco box is conveyed from the first conveying roller to the second conveying roller through the transfer trolley; an electronic scale (17) is arranged on the second conveying roller. The automatic weighing and material supplementing device for the tobacco flake finished products can automatically weigh tobaccos in the tobacco box and can automatically supplement materials for the tobacco box so as to reduce the labor cost, improve the boxing and bundling efficiency, shorten the boxing time and solve the quality problem caused by tobacco water and temperature loss caused by too long boxing time.
Owner:HONGTA TOBACCO GRP

Process gas temperature control method for superheated steam drier

ActiveCN108208902AImprove closed-loop control accuracyStable and dryTobacco preparationProcess engineeringTobacco water
The invention discloses a process gas temperature control method for a superheated steam drier. The process gas temperature control method comprises the following steps: setting standard values of incoming tobacco water, process gas temperature and combustion furnace temperature as d<standard>, c<standard1> and c<standard2> respectively, and detecting real-time values of the incoming tobacco water, process gas temperature and combustion furnace temperature as d<real>, c<real 1> and c<real 2> respectively; respectively performing real-time comparison on the c<real 1> and c<standard1>, d<real> and d<standard> and c<real 2> and c<standard2>, and outputting the bypass air damper opening degree y1, ywater and ytemperature by virtue of a temperature PID (Proportion Integration Differentiation) controller, a water compensation module and a temperature compensation module in real time; and calculating a bypass air damper opening set value y according to a formula of y=y1+ywater+ytemperature, outputting the set value to a bypass air damper locator to be used for controlling the real-time opening of the bypass air damper. According to the method, the incoming tobacco water and the combustionfurnace temperature can be pre-judged, the set value of the bypass air damper opening can be corrected in advance, and the process gas temperature is rapidly and accurately adjusted.
Owner:CHINA TOBACCO JIANGSU INDAL

Tobacco water planting module and water planting method

The invention relates to a tobacco water planting module and a water planting method. The water planting module includes multiple water planting racks, multiple layers of planting grooves formed in the water planting racks, planting plates on the planting grooves and a nutrient liquid barrel communicated with liquid inlets and liquid outlets of the planting grooves in each layer; the periphery ofeach planting plate is wider than the corresponding planting groove, multiple planting holes are formed in each planting plate, each planting groove is filled with nutrient liquid, roots of tobacco seedlings penetrate through the planting holes to be in contact with the nutrient liquid, one end of the nutrient liquid barrel is communicated with the liquid inlet of the planting groove in the top layer of the water planting racks, and the other end of the nutrient liquid barrel is communicated with the liquid outlet of the planting groove in the lowest layer. A pump is arranged on a pipeline communicated with the liquid inlets of the planting grooves, and the liquid outlets and liquid inlets of every two adjacent planting grooves are communicated with each other; multiple LED lamps and microfans are arranged on the upper portions of the planting grooves in all layers; the tobacco water planting module also includes a monitoring device, and the monitoring device detects the temperature,humidity and carbon dioxide concentration of the water planting module in real time. The water planting module occupies a small floor space, is high in spatial utilization rate, capable of achieving cyclic utilization of water and circular liquid supply and small in water consumption, increases the survival rate of the tobacco seedlings and the growth ratio of plants, and ensures high quality andyield of tobacco.
Owner:CHINA TOBACCO YUNNAN IND

Wheat straw type tobacco water-raised seedling substrate and preparation method thereof

The invention discloses a preparation method of a wheat straw type tobacco water-raised seedling substrate. The preparation method comprises the following steps: spraying water to a straw pile body firstly, wherein the mass ratio of the water to straw is (0.8-1.2) to 1; dissolving urea powder accounting for 1-2 percent of the total mass of the straw into water, and spraying the dissolved urea powder into the straw pile body; taking 0.5 billion cfu/g of mixed bacterial agent of aspergillus niger and bacillus licheniformis, uniformly spraying the mixed bacterial agent into the straw pile body, wherein the mixed bacterial agent accounts for 0.1-0.5 percent of the total mass of the straw; scattering bean cake powder accounting for 2-4 percent of the total mass of the straw into the straw pile body to be fermented, and turning the pile for 45-60 days every 3-6 days to obtain a wheat straw fermentation broth; and mixing the following components in parts by weight: 50-80 parts of the wheat straw fermentation broth, 5-15 parts of vermiculite, 3-12 parts of perlite, 15-25 parts of carbonized rice hulls and 10-20 parts of fly ash to obtain the wheat straw type tobacco water-raised seedling substrate. The preparation method is simple in step, available in raw materials and low in cost. The seedling substrate is short in seedling time, high in seedling emergence rate and good in growth vigor of tobacco seedlings in the seedling formation period.
Owner:安徽莱姆佳生物科技股份有限公司

Method for improving sensory quality of reconstituted tobaccos through biotransformation

The invention provides a method for improving the sensory quality of reconstituted tobaccos through biotransformation. The method comprises the following steps that 1, strain activation is performed: bacillus methylotrophicus (VJ4-1) is inoculated to an oblique-plane culture medium and then is inoculated to a seed culture medium, and a seed culture solution is prepared through transfer; 2, composite biotransformation pretreatment is performed: in a reconstituted tobacco extraction process, the seed culture medium in the step 1 is inoculated to a reconstituted tobacco water solution, penicillium citrinum feruloyl esterase, xylanase, glucose oxidase, catalase, phenol oxidase and other complex enzymes are added, stirring and even mixing are performed, and a reconstituted tobacco biotransformation solution is obtained through fermentation; 3, the reconstituted tobaccos are produced through a conventional reconstituted tobacco process, the temperature exceed 75 DEG C in the process, the enzymes and bacteria are inactivated, and the reconstituted tobaccos are obtained through rolling. The produced reconstituted tobaccos with the aroma quality improved by adopting a biotechnology have good aroma with a slight milk flavor, the irritation is reduced, green miscellaneous smell is decreased, and the sensory quality of the reconstituted tobaccos is improved.
Owner:HUBEI CHINA TOBACCO IND

Electromagnetic cut tobacco drying device

The invention relates to an electromagnetic cut tobacco drying device, and belongs to the technical field of tobacco processing. The device comprises a cut tobacco drying roller, a supporting roller,a roller outer ring gear ring, a drive motor, a control system, an electromagnetic heating device and a support. The two ends of the top of the support are provided with supporting rollers arranged inParis, the two ends of the cut tobacco drying roller are arranged on the supporting roller through an outer ring, one end of the cut tobacco drying roller is provided with the roller outer ring gearring, a drive gear of the drive motor installed on the support is meshed with the roller outer ring gear ring, the electromagnetic heating device is installed below the cut tobacco drying roller, andthe electromagnetic heating device, the drive motor and the control system are connected. The device has the advantages that the structure is simple, controllability is high, the device can be connected with the intelligent control system, meanwhile, the device is used for removing cut tobacco water, heat energy conversion by means of steam is avoided, no boiler steam system needs to be built independently in the using process, the heat efficiency is high, emission is reduced, the environment-friendly requirement for energy conservation and emission reduction is met, and efficient and fined process control is achieved.
Owner:HONGTA TOBACCO GRP
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