Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

413 results about "Tobacco dust" patented technology

Tobacco dust juice has a similar use but is produced by mixing water with tobacco dust and black pepper. Basque angulero fishermen kill immature eels (elvers) in an infusion of tobacco leaves before parboiling them in salty water for transportation to market as angulas, a seasonal delicacy.

Method of and apparatus for recovering and recycling tobacco dust

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.
Owner:HAUNI MASCHINENBAU AG

Cigarette and preparation method thereof

The invention discloses a cigarette and a preparation method thereof, belonging to the technical field of smokeless tobaccos. The cigarette is a lump or piece soft packing product and comprises filter paper and wrapped powder tobacco substances, and primary material components are as follows according to the weight percentage: 30-50 of burley tobacco smalls, 20-30 of honey, 10-15 of walnut juice, 2-5 of cocoa and 20-30 of apple juice. The preparation method comprises the steps: (1) crushing pretreated burley tobaccos into powder; (2) preparing primary substances; (3) fermenting the primary substances; (4) adding ancillary materials; (5) perfuming; (6) adding preservative; and (7) packing according to 0.2 to 0.6g per bag by the edible filter paper to obtain a cigarette product. The cigarette has less nicotine content, convenient and sanitary use, no ash production and no environmental pollution problems. The method has short production periods and is adapted to the market requirement.
Owner:HUBEI CHINA TOBACCO IND

Diesel particulate filter soot permeability virtual sensors

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.
Owner:DETROIT DIESEL CORP

Method for making tobacco paper with stems and dust of tobacco

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.
Owner:杜荣安

Reconstituted tobacco coating liquid preparing method suitable for novel cigarette

ActiveCN105249519AAvoid changeAvoid lostTobacco preparationAlcoholTobacco alcohol
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.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC

Processing method for increasing low-grade tobacco use value

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.
Owner:CHINA TOBACCO ANHUI IND CO LTD

Substantially dry, silica-containing soot, fused silica and optical fiber soot preforms, apparatus, methods and burners for manufacturing same

Methods, apparatus and precursors for producing substantially water-free silica soot, preforms and glass. The methods and apparatus make substantially water-free fused silica preforms or glass by removing water as a reaction product, removing water from the atmosphere, removing water from the transport process, or combinations thereof. In a first embodiment, substantially water-free soot, preforms or glass are achieved by using a hydrogen-free fuel, such as carbon monoxide, in the deposition process. In another embodiment, a soot producing burner has parameters that enable operation on a substantially hydrogen-free fuel. End burners, which minimize water production, are also described. Such water-free methods are useful in depositing fluorine-doped soot because of the low water present and the efficiency in which fluorine is incorporated. In another embodiment, glassy barrier layer methods and apparatus are described for minimizing dopant migration, especially fluorine. Laser and induction methods and apparatus for forming the barrier layer are depicted. A chlorine, fluorine and silica precursor, such as chlorofluorosilane, may be utilized to form fluorinated soot. Other methods and apparatus are directed to combinations of conventional and substantially water-free processes. One embodiment is directed to combustion enhancing additives for addition to the substantially hydrogen-free fuels. The methods and apparatus in accordance with the invention are particularly useful for producing photomask substrates and optical fiber preforms.
Owner:BROWN JOHN T +5

Making process of creped tobacco sheet

The present invention relates to tobacco sheet producing technology, and is especially the making process of creped tobacco sheet. Tobacco stem, tobacco dust and inferior tobacco as material are first purified, crushed, collected and mixed; and the mixture is thrice rolled and twice pressed in rolling press and treated in creping apparatus with vegetable oil as creping agent provided to produce creped tobacco sheet with lower tar content, good burning performance, certain ventilation degree and high filling value. The creped tobacco sheet is cut into tobacco shreds and the tobacco shreds are mixed into common tobacco shreds to raise quality of cigarette.
Owner:南昌卷烟总厂

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

Air-flowing type dried tobacco water control method

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.
Owner:LONGYAN CIGARETTE FACTORY

Fermentation optimization method of tobacco essence

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.
Owner:YINGTAN HUABAO FLAVORS & FRAGRANCES

Apparatus for producing reconstituted tobacco sheet via dry paper-making method

An apparatus that uses air-laid paper-making process to produce reconstituted tobacco is disclosed. The apparatus comprises a fiberizer, a base-sheet forming device, a pulp sizing device and a drying device connected in series. The apparatus of the invention is equipped with different interfaces for various materials and an internal humidifying pipeline. Utilizing multiple passages for material transfer helps to improve uniformity of incoming material and controllability. The sized pulp contains more tobacco dusts, tobacco extract, and adhesive agent, which has a higher density. By utilizing this apparatus it can disperse the pulp fully to avoid hot air being unevenly distributed in drying oven from causing excessive drying issue.
Owner:GUANGDONG GOLDEN LEAF TECH DEV

Raw material extracting method for paper-making-method remade tobaccos.

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.
Owner:CHINA TOBACCO ANHUI IND CO LTD

Low-concentration smoke dust sampling device and method

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.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID

Big granule humic compound fertilizer and preparation thereof

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.
Owner:缪应松

Smoke dust gas sampling device integral detection system

The invention relates to a s smoke dust gas sampling device integral detection system comprising an IPC (industrial personal computer); the input end of the IPC is respectively connected with a flow detection module, a temperature measuring module, a pressure detection module, an atmosphere pressure measuring module, a smoke gas detection module and a flow rate detection module. The smoke dust gassampling device integral detection system can calibrate all parameters on one platform, thus ensuring measuring data accuracy, greatly improving the calibration efficiency, providing more accurate and fast smoke dust sampling device integrated measurement, and filling the blanks in the national smoke dust sampling device calibration field. The detection system can detect various performance parameters of pollutant sampling devices like the smoke dust gas sampling device in all aspects on all performances, can integrally measure the indexes like a tested gauge atmosphere pressure, the flow, the environment temperature, the temperature before measurement, and the smoke gas temperature, thus realizing more accurate and fast smoke dust sampling device integrated measurements.
Owner:湖北省计量测试技术研究院

Method for improving efficiency of slice raw material abstraction and quality of slice flue gas with complex enzyme

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.
Owner:HUBEI CHINA TOBACCO IND

Feed additive dosing device

The invention discloses a feed additive dosing device. The feed additive dosing device comprises a mixing box, a feeding box and a dust collection box, wherein a separating baffle plate is arranged at the middle part of an inner cavity of the mixing box; the separating baffle plate is used for separating the inner cavity of the mixing box into a mixing cavity and a discharging cavity; the mixing cavity is internally provided with a stirring shaft; the top end of the stirring shaft penetrates through the top wall of the mixing box and is fixedly connected to a motor shaft of a motor; the bottom end of the stirring shaft is fixedly connected with a second stirring blade which is matched with the separating baffle plate; a plurality of first stirring blades are uniformly arranged at the middle part of the stirring shaft; a first feeding hole is formed in one side of the top wall of the mixing cavity; the top part of one side wall of the mixing cavity is in through connection with the dust collection box through an air inlet pipe. According to the feed additive dosing device disclosed by the invention, two weighing and dosing modes of the feeding box and a weighing drum are arranged, the using demands of different additives are met, and accurate adding of various additives is ensured; due to the arrangement of the dust collection box, flying dust generated by stirring the additives can be collected, and meanwhile, the collected flying additive smoke dust can return to the discharging cavity again, so that accurate proportioning of all the additives is ensured.
Owner:邹铁梅

Smoke dust removal equipment for waste incineration

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.
Owner:浙江万源环保机械科技有限公司

Tobacco water retention biological organic fertilizer and preparation method thereof

The invention discloses a tobacco water retention biological organic fertilizer and a preparation method thereof. The preparation method comprises the following steps: fermenting wastes by using bacillus amyloliquefaciens (IAE), compounding the fermentation product with humic acid, and then secondarily fermenting vinegar residue compost to from a biological organic fertilizer which is suitable for tobaccos and has a water retention effect. In the biological organic fertilizer, the number of effective strains is more than or equal to 0.5*10<8>cfu / g, the content of an effective water retention material is more than or equal to 21g / kg in dry weight, the water content is less than or equal to 30%, and the organic content is more than or equal to 45%. A test shows that after the tobacco is transplanted for 30 days, the water content of 0-10cm of the tobacco field soil in which the biological organic fertilizer is applied is 32.7% higher than that of the soil in which the biological organic fertilizer is not applied and the tobacco plant biomass is increased by 55.6%. The water retention biological organic fertilizer disclosed by the invention can significantly increase the water content of the soil and improve the biomass of tobacco plants at the seedling stage.
Owner:HOHAI UNIV

Cabo sifting barrel

The invention relates to a tobacco stem screening tube which is characterized by consisting of a screening tube device, a transmission device and a dust removing mechanism. The screening tube device essentially consists of a screening tube body, a rolling ring on the tube body, a sealing housing and a discharging port and a feeding cover and a discharging cover at two ends of the tube body; the screening tube body is welded by a feeding port section, a tobacco dust screen tube section, a short stem screen tube body, a middle and long stem screen tube body and a stem head outlet tube section. The dust removing system consists of a dedusting fan and a dedusting pipe that are installed on the feeding cover. The invention optimizes the stem screening technique and is integrated with stem screening and dust removing, thus solving the problems of poor screening effect and product quality resulting from manual screen cleaning due to screen blockage by tobacco stem, ensuring good product quality, preventing dust from flying through dust collecting, maintaining cleanness of the on-site production environment and saving energy and equipment occupation area as a plurality of original devices are integrated into one device.
Owner:玉溪市浩森工贸有限公司

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

Paenibacillus elgii D7 and application thereof to cellulose degradation

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.
Owner:ZHEJIANG UNIV OF TECH

Flue-cured tobacco flavor electronic cigarette atomized liquid and preparation method thereof

ActiveCN111671131AFlavor characteristics of whole flue-cured cigarette smokeLight colorTobacco treatmentBiotechnologyOrganic acid
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.
Owner:CHINA TOBACCO FUJIAN IND

Apparatus for producing reconstituted tobacco sheet via dry paper-making method

An apparatus that uses air-laid paper-making process to produce reconstituted tobacco is disclosed. The apparatus comprises a fiberizer, a base-sheet forming device, a pulp sizing device and a drying device connected in series. The apparatus of the invention is equipped with different interfaces for various materials and an internal humidifying pipeline. Utilizing multiple passages for material transfer helps to improve uniformity of incoming material and controllability. The sized pulp contains more tobacco dusts, tobacco extract, and adhesive agent, which has a higher density. By utilizing this apparatus it can disperse the pulp fully to avoid hot air being unevenly distributed in drying oven from causing excessive drying issue.
Owner:GUANGDONG GOLDEN LEAF TECH DEV

Method for using ash produced in cigarette production in tobacco reproduction (papermaking process)

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.
Owner:SHANGHAI TOBACCO GRP CO LTD

Method for reducing smoke dust concentration measurement errors of thermal power plant flue gas

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.
Owner:STATE GRID CORP OF CHINA +1

Tobacco seed water selecting device

The invention discloses a tobacco seed water selecting device. The tobacco seed water selecting device comprises a water selecting cavity, a motor, a movable plate and a filtering cavity. The lower end of the water selecting cavity is symmetrically provided with landing legs, and the landing legs play a role in supporting. The upper end of the inner side of the water selecting cavity is in slidingconnection with the movable plate. The middle position of the movable plate is in threaded connection with a threaded rod. The upper end of the threaded rod penetrates the upper end of the water selecting cavity and is fixedly connected with bevel gears which are symmetrically arranged. The tobacco seed water selecting device is novel in design, and when the arranged movable plate downwards moves, unqualified seeds floating on the water layer enter the upper side of the movable plate through through holes; and when the movable plate upwards moves, water containing the unqualified seeds upwards moves under the action of the movable plate and then enters the filtering cavity through a guide pipe, after being filtered by a tapered filter net, the water enters the water selecting cavity againthrough the suction force generated to the lower end of the water selecting cavity by the upward moving of the movable plate, and therefore the water saving effect is achieved.
Owner:金寨县金银山农业科技开发有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products