411 results about "Tobacco dust" patented technology

Tobacco dust which develops in a machine or production line for the making of smokers' products is put to use in that it is gathered and agglomerated into particles having or exceeding a required size. Metered quantities of such particles are admitted into a stream of fragmentized tobacco leaves before the stream is draped into a web of cigarette paper or the like.

A system and method for controlling an internal combustion engine senses differential pressure across the diesel particulate filter to monitor at least one of soot cake permeability and filter wall permeability as a function of exhaust temperature and mass flow velocity. The system and method preferably respond to both porous wall and soot cake permeabilities to determine when the soot level matches a threshold at which an operator may be warned, or at which a remedial operation may be triggered, or at which a more protective action taken by the engine control module.

A tobacco paper used for cigarettes is made up of tobacco stem and tobacco dust through immersing tobacco stems in water, extracting, coarse pulping, fine pulping, mixing in with tobacco dust, wood pulp or bast pulp, reinforcing agent and assistant proportionally, diluting the mixture with water and making paper. Its advantages include improved strength and toughness, low density and tar content, and low cost.

A reconstituted tobacco coating liquid preparing method suitable for a novel cigarette is characterized by comprising the steps of: firstly drying and smashing a tobacco raw material, extracting with ethyl alcohol solution, and after solid liquid separation, performing concentration under reduced pressure on filtrate to obtain a tobacco alcohol extract; adding enzyme into filter residue to degrade, and after secondary solid liquid separation, performing concentration under reduced pressure on filtrate to obtain a tobacco water extract; mixing the tobacco water extract, an amino compound and polyhydric alcohols to perform heating reaction to obtain a tobacco reactant; finally proportionally mixing the tobacco alcohol extract, the tobacco reactant and a heat conduction material dispersion liquid to obtain the coating liquid. After the prepared coating liquid is subjected to perfuming treatment, a coated substrate is made into regenerated tobacco, the novel cigarette product is endowed with a thick vivid cigarette fragrance and the smoke concentration and fragrance quality are obviously improved.

A processing method for increasing low-grade tobacco use value includes the steps: moistening a tobacco group composed of low-grade tobacco to enable the water content to be 18-22%; storing for 1-24h, and entering a lining feeder to enable the tobacco water content to be 28-36%; using a burley tobacco curing machine to dry the tobacco under the conditions that the temperature is 70-1100 DEG C and the process flow is 1600kg/h to enable the water content of tobacco in a cooling area to be 4-7%, and entering a resurgence area to enable the tobacco water content to be 10-14%; entering a surface material feeder to enable the tobacco water content to be 18.5-21.5% after surface material feeding, storing for 1-4h, and shredding, wherein the tobacco water content is 17.5-20.5%; and drying the shredded tobacco through a sheet cut-tobacco dryer to enable the tobacco water content to be 12.5-13.5% after drying of cut tobacco. By means of the processing method, the use ratio of low-grade tobacco in third-grade and fourth-grade cigarettes can be evidently increased to be 8-20%, and cost of formula raw materials can be remarkably lowered.

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.

A technology for preparing the color tobacco sheets by color paper making method includes such steps as breaking low-grade tobacco leaves, loosening the fibres of tobacco stem, proportionally mixing tobacco dust, broken tobacco leaves and stem fibres, squeezing, concentrating juice, adding essence, combustion promoter and edible pigment, mixing, making paper, drying, cutting and packing.

The invention relates to an air-flowing type dried tobacco water control method, which comprises the following steps of: measuring water at an inlet of an air-flowing type tobacco drying machine by a water meter arranged at the inlet of the air-flowing type tobacco drying machine, adjusting a first parameter of tobacco flow at the inlet by a feed forward control algorithm, and sending the first parameter to an electronic belt balance; measuring water at an outlet of the air-flowing type tobacco drying machine by a water meter arranged at the outlet of the air-flowing type tobacco drying machine, and obtaining a second parameter of the tobacco flow at the inlet according to results of the water meters and outlet water setting values; and sending the first parameter and the second parameter to the electronic belt balance at the front end of the air-flowing type tobacco drying machine, wherein the electronic belt balance adjusts the tobacco flow at the inlet by responding the first parameter and the second parameter sequentially or simultaneously. By a feed forward and feed back control mode, the standard drop of the water at the outlet of the air-flowing type tobacco drying machine is about 0.2, and a technical standard can be met.

The invention discloses a fermentation and optimization method for tobacco flavors, which takes tobacco residual materials as raw materials, such as tobacco stems, tobacco dusts and secondary tobacco leaves, the tobacco residual materials are put into a fermentor, sugar and inorganic salt, tobacco flavor bottom materials, and water are added in to regulate pH value and a fermentation medium is obtained, and well-known preserving strain, micrococcus luteus ACCC11001, is selected as liquid fermentation strain and is fermented under certain fermentation conditions. The tobacco flavors after fermentation culture not only can maintain characteristic fragrance contained in original flavors, but also can ensure auxiliary fragrance obtained by fermentation to combine perfectly with the characteristic fragrance, and compared with the original flavors, the grade of the fragrance is improved obviously and the fragrance smells more elegant. The production process of the invention is simple, convenient and easy for extension, thus being provided with greater development and application value.

The invention discloses a raw material extracting method for paper-making-method remade tobaccos. The raw materials extracting method includes steps of adding extracting solvent and tobacco raw materials into an extracting tank to obtain extracts; combining one or two of tobacco shreds and stems in an optional proportion to form the raw materials; obtaining tobacco water solution by means of squeezing, filtering and separating the extracts; concentrating the tobacco water solution in a vacuum manner; coating concentration liquid onto a paper base; and drying the paper base coated with the concentration liquid, so that the paper-making-method remade tobaccos are obtained. The raw material extracting method is simple in process and high in controllability, can be widely applied to producing the paper-making-method remade tobaccos, and offensive and irritancy of the remade tobaccos can be reduced.

The invention discloses a low-concentration smoke dust sampling device. The low-concentration smoke dust sampling device comprises a main machine, a sampling gun, a condenser and a drier. The sampling gun comprises a handle, a sampling tube, a pitot tube and a thermocouple, wherein the sampling tube, the pitot tube and the thermocouple are connected with the handle. The gas outlet end of the sampling tube is sequentially connected with the condenser, the drier and the main machine. The thermocouple and the pitot tube are connected with the main machine. A multi-stage sampling head is installed at the head of the sampling tube. A sampling nozzle is arranged at the front end of the multi-stage sampling head. The multi-stage sampling head comprises a shell and three dust collection units arranged in the shell. The dust collection units are sequentially arranged in the flowing direction of smoke. The smoke entering the sampling tube is sequentially in contact with the dust collection units, smoke dust is adsorbed by the dust collection units, and the smoke dust collecting efficiency of the device is improved. The invention further discloses a low-concentration smoke dust sampling method in which the device is adopted. By means of the low-concentration smoke dust sampling device and method, the concentration of the smoke dust is accurately measured under the low-concentration and high-humidity working condition.

The invention discloses a large particle humic compound fertilizer and a method for preparing thereof belonging to the agricultural fertilizer field. The fertilizer comprises a humic acid, an inorganic fertilizer, and a medium trace element, wherein the humic acid is prepared by repeating compound bacteria fermention of 70% of lignite and 30% of waste tobacco dust by weight ratio. The weight content summation of nitrogen, phosphor and potassium in the inorganic fertilizer accounts for not less than 20% of the total fertilizer, wherein the weight ratio of nitrogen, phosphere and potassium is 10:4:6. The fertilizer has advantages of high fertilizer efficiency, long fertilizer efficiency and can improve the trophic structure of soil.

The invention relates to a comprehensive detection system for smoke and dust gas samplers, which includes an industrial computer, and the input terminals of the industrial computer are respectively connected with a flow detection module, a temperature measurement module, a pressure detection module, an atmospheric pressure measurement module, a smoke detection module, and a flow rate detection module. module. The invention realizes the verification and calibration of all parameters on one platform, ensures the accuracy of the measurement data, greatly improves the verification efficiency, makes the integrated measurement of the smoke and dust sampler more accurate and fast, and makes up for the shortcomings in the verification field of the domestic smoke and dust sampler. blank. The detection system of the present invention can detect various performance parameters of pollution source samplers such as dust and smoke samplers in an all-round way, and implement integrated measures for indicators such as atmospheric pressure, flow rate, ambient temperature, pre-measurement temperature, and flue gas temperature of the measured instrument. The integrated measurement of the smoke and dust sampler makes the integrated measurement more accurate and faster.

The invention discloses a method for improving extraction efficiency and smoke quality of slice materials by using complex enzyme, and relates to an enzyme treatment method during stem extraction in slice production of paper making method. The method is characterized in that the following enzyme preparations are added into an extraction tank at the following weight ratio of the total weight of stems or tobacco dusts: pectinase 0.02 to 0.06%, glucoamylase 0.02 to 0.04%, xylanase 0.02 to 0.03%, KT-07-2 complex enzyme 0.02 to 0.05% and KT-061115 enzyme 0.02 to 0.05%. Accordingly, the method can achieve enzyme treatment of stem materials and dust materials in slice production of paper making method, thereby improving the quality of extraction liquid, improving solid content of the extraction liquid, enhancing the extraction efficiency, and achieving deactivation of residual enzymes under the temperature condition of the subsequent processes.

The invention provides smoke dust removal equipment for waste incineration. The smoke dust removal equipment comprises a dust collecting box, a dust suction fan is arranged in front of the dust collection box, a first filter screen, a second filter screen and a third filter screen are arranged on the inner side of the dust collecting box, a protective cover is arranged on one side of the dust collecting box, an anti-blocking assembly is arranged on the inner side of the protective cover, the anti-blocking assembly comprises a driving motor, a straight gear is arranged on an output shaft of thedriving motor, one side of the straight gear is engaged with a sector gear, one side of the sector gear is provided with a first rotating shaft and two second rotating shafts, one end of the first rotating shaft and one ends of the second rotating shafts are each provided with a connecting block, one side of each connecting block is provided with a connecting rod, and one end of each connecting rod is provided with a beating ball. Through the dust suction fan, the first filter screen, the second filter screen and the third filter screen, multi-stage filtration of dusty air is achieved, vibration of the filter screens is achieved through the anti-blocking assembly, the filter screens can be effectively prevented from being blocked, and the dust removal effect is improved.

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.

The invention discloses paenibacillus elgii D7 and application thereof to cellulose degradation.The strain can degrade cellulose materials such as sodium carboxymethylcellulose (CMC-Na), cellulose of waste and inferior tobacco water extracted residues and tobacco and tobacco stems after being subjected to fermental cultivation, meanwhile, cellulase produced by paenibacillus elgii D7 has the characteristics of resisting 60-DEG C high temperature and being wide in substrate pH4-8 catalysis range, and paenibacillus elgii D7 has tolerance to 5 g/L-10 g/L nicotine in the growth process.Compared with a physical and chemical method and mechanical method for degrading cellulose, degradation conditions of paenibacillus elgii D7 are milder.Compared with fungi, the reproductive capacity of bacteria is high, culture is easy, enlargement can be achieved step by step, and it is expected to achieve industrial application in a later period.Bacteria producing cellulase include bacillus amyloliquefaciens, clostridium thermocellum, paenibacillus elgii and the like.

The invention relates to a flue-cured tobacco flavor electronic cigarette atomization liquid and a preparation method thereof and provides a composition. The composition is prepared from the followingcomponents in parts by weight: 0.5 to 1.5 parts of flue-cured tobacco water extract, 1 to 5 parts of flue-cured tobacco ethanol extract, 3 to 7 parts of a flue-cured tobacco Maillard reactant, 0.01 to 0.5 part of a flue-cured tobacco molecular distillation light component, 0.5 to 2 parts of an organic acid and 1 to 2.5 parts of nicotine. The electronic cigarette atomized liquid containing the composition has the beneficial effects that the tobacco aroma is mellow and prominent, the characteristic style is vivid to restore, the hygienic safety standard is met, and the practical application purposes that the electronic cigarette liquid is clear, light in color and luster, free of precipitates and long in shelf life are achieved.

The present invention provides the recovering and treating process of tobacco dust produced in cigarette production, and features that the tobacco dust is extracted and the extracted liquid is further reformed into tobacco through a papermaking-like process. The extracting process has the technological parameters of: extractant/tobacco dust weight ratio of 5-10, extracting temperature 50-80 deg.c, extracting period 30-60 min and the water content of the dewatered extract 25- 35%. Recovering and treating the tobacco dust can lower production cost and utilizing the tobacco dust with relatively high cigarette scent component can raise the quality of the reformed tobacco.

The invention relates to a method for reducing the smoke dust concentration measurement errors of thermal power plant flue gas. The method comprises the following steps: mounting a filter membrane on a new sampling head or a sampling head satisfying requirements after being ultrasonically cleaned and then drying and weighing the sampling head, performing in situ sampling, drying and weighing after sampling, and calculating the smoke dust concentration. The loss error of a filter cartridge caused in the sampling, transportation and storage processes, the error caused by the mass change of the used sampling head due to smoke dust contamination and the error caused by too small sampling volume due to not-explicit stipulation in the standards are avoided. The method for reducing the smoke dust concentration measurement errors of the thermal power plant flue gas is suitable for low smoke dust concentration measurement, capable of effectively reducing the measurement errors, and also capable of adjusting the weighing mass difference and the sampling volume according to the accuracy requirements of the measured smoke dust concentration; as a result, the applicability of the method is improved.

Relating to a tobacco machinery, the invention discloses a tobacco dust flat bag horizontal insertion, off-line deashing and dedusting unit modular combined deduster unit. A plurality of unit vertical partition boards are vertically fixed in a unit box inner cavity and separate the unit box into a plurality of dedusting unit module box bodies that are mutually isolated. Each dedusting unit module is provided with a flat type filter, a gas circuit switch valve group, a pulse-jet system, an ash bucket and an ash discharge valve that are respectively independent. Each dedusting unit module box body is equipped with a to-be-purified air inlet, a purified air outlet, an observation window and a repair door that are respectively independent. When the deduster operates, a working mode that each dedusting unit module undergoes off-line deashing in order is employed, and a flat type filter no longer filters dust-containing gas during deashing, so that the deashing system can be at an ideal state, and the deashing effect is good, the efficiency is high, and the energy consumption is low. The dedusting unit module that does not undergo deashing and dedusting operates continuously, so that the combined deduster unit can be always at an efficient and stable operating state.