CN106418635A - Equipment and process for reducing threshing and redrying nicotine variation coefficient - Google Patents
Equipment and process for reducing threshing and redrying nicotine variation coefficient Download PDFInfo
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- CN106418635A CN106418635A CN201510491448.2A CN201510491448A CN106418635A CN 106418635 A CN106418635 A CN 106418635A CN 201510491448 A CN201510491448 A CN 201510491448A CN 106418635 A CN106418635 A CN 106418635A
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Abstract
The invention relates to equipment and a process for reducing a threshing and redrying nicotine variation coefficient. The equipment for reducing the threshing and redrying nicotine variation coefficient is characterized in that the equipment comprises a conveying belt and a warehouse, an online near-infrared spectrograph is arranged above the conveying belt, an electronic belt scale is arranged below the rear end of the conveying belt, and the output end of the belt scale leads to the raw-tobacco formula stereoscopic warehouse. The equipment and the process have the advantages that manual material selecting and feeding in a preparation area are realized, uniformity of tobacco leaves in the preparation area before formula threshing and redrying is regulated effectively, and the nicotine variation coefficient of the preparation area for formula threshing and redrying production is reduced, so that the control capability for formula threshing homogenization level is improved, and product quality stability is guaranteed.
Description
Technical field：
The present invention relates to a kind of beating and double roasting production technology, particularly reduce equipment and the technique of the beating and double roasting nicotine coefficient of variation.
Background technology：
Modularity Recipe leaf beating technology is according to a certain percentage, will prolifically, many grades Nicotiana tabacum L. uniformly mixes and joins and form a stay-in-grade cigarette grade or formula module.This technology is the more universal technology of current domestic and international application.By Recipe leaf beating can realize based on prolifically, the mixing of many grades Nicotiana tabacum L. joins and beats, piece cigarette inherent quality feature after beating, sensory evaluating smoking's mass, tobacco leaf mixing uniformly with stably increase, eliminate the quality discrepancy between raw tobacco material, realize cigarette composition to have established raw material basic for cigarette enterprise.
Redrying enterprise generally selects leaf using the substantial amounts of stall with goods spread out on the ground for sale formula that manually carries out, by the Nicotiana tabacum L. of ad eundem according to color and other certain rule classifications, then according to ratio carries out mixed material feeding, thus ensureing uniformity and the harmony of raw material.But there are many problems in this pattern：As consumed the diversity of substantial amounts of manpower and financial resources, sensory quality assessment, or even same individual evaluation there is also different, therefore needs badly and carrys out the stability to raw material using new formula cooked mode and harmony is adjusted.
It could be theoretically argued that, Chemical Components of Tobacco Leaves is such as：Nicotine, total sugar, total nitrogen etc. are stronger to the sign of quality of tobacco.With scientific and technological development, the continuous renewal of online detection instrument, the chemical composition content of on-line real-time measuremen Nicotiana tabacum L. has become as possibility, has high probability and realistic meaning to Nicotiana tabacum L. real-time detection with controlling using advanced testing equipment.
NIR technology (NIR) is a kind of green analytical technology growing up in recent years, the advantages of possess simple, efficient, quick, it is suitable to on-line checking and process analyses, it is the promising approach of quality control, increasingly extensive in the application of the fields such as agricultural, food, oil particularly tobacco business.This technology has been rapidly introduced into Field of Tobacco in recent years, nicotine, the chemical compositions such as total sugar are the important indicators of Nicotiana tabacum L., the link factor such as the control for cigarette quality and cigarette composition design is particularly important, traditional analysis means require a great deal of time and energy, it is difficult to whole processing link is controlled, hence with On-line near infrared analyzer, these indexs are detected and are controlled extremely effective to lifting cigarette quality, the application online tobacco leaf chemical composition of near-infrared spectrum analysis (NIR) technical measurement, tobacco business technical staff carries out substantial amounts of research to it, become in the Nicotiana tabacum L. of beating and double roasting field Material Staging Area in composition detection and control technology.
At present, foreign tobacco industry is ripe to the application of near infrared technology, is used not only for the quick detection of tobacco components, also can be detected in quality index such as tobacco tar.Facts have proved, using On-line near infrared analyzer technology, there is " quick, simple, accurate ".
Also there is relevant report with regard to the application in tobacco business field for the near infrared technology, for example：
20061004339.7, the method of invention entitled employing near infrared detection tobacco leaf chemical ingredient, this invention breaches the bottleneck of existing tobacco leaf chemical composition problem analysis, the advantage of energy quick detection tobacco leaf chemical composition, but it is not related to Material Staging Area paving leaf mix proportion scheme and former cigarette formula stereo garage regulation and control method.
Content of the invention：
It is an object of the invention to provide a kind of equipment reducing the beating and double roasting nicotine coefficient of variation and technique, this technique passes through On-line NIR instrument quick detection Nicotiana tabacum L. chemical score after proportioning feeds intake paving leaf, go out warehouse-in in conjunction with former cigarette formula stereo garage Control management system equalization algorithm and the beating and double roasting processing technique joined mixed by premix cabinet, improve Recipe leaf beating to homogenize the control ability of level of processing and product, meet the requirement that Cigarette Industrial Enterprise regulates and controls the nicotine coefficient of variation in beating and double roasting melting process well.
The purpose of the present invention is achieved through the following technical solutions：
The present invention reduce the beating and double roasting nicotine coefficient of variation equipment it is characterised in that：Described equipment include online chemical composition detecting instrument, Nicotiana tabacum L. automatic boxing control device, former cigarette formula stereo garage it is characterised in that：After Nicotiana tabacum L. is detected by chemical composition through formula paving leaf, it is delivered to the oxed weight control system that precision is ± 0.5%, former cigarette formula stereo garage is led to after vanning control system case is full, tobacco leaf chemical composition information is connected to detecting and controlling system by PLC, and described chemical composition testing equipment and detecting and controlling system realize data cube computation.
Further; described chemical composition testing equipment spectral region is in 910nm-2200nm; scanning speed >=30 spectrum/second; the time of integration is 21.4ms; equipment detecting head surface is away from tobacco leaf surface distance in 170mm; after the scanning of chemical composition testing equipment, interval generates spectrum in 3 seconds, and the intelligence carrying out automatic exceptional spectrum rejecting, most optimum wavelengths screening and high bar point to the spectrum producing after Nicotiana tabacum L. scanning is chosen, and to functional modules such as detection process abnormal chemical value intellectual analysis, differentiation, feedbacks.
The present invention reduce the beating and double roasting nicotine coefficient of variation technique it is characterised in that：Described technique comprises the steps：
Step 1：Nicotiana tabacum L. is after manually selecting leaf, form many grades tobacco leaf module, complete formula list is made according to the proportioning demand that homogenizes, Nicotiana tabacum L. feeds intake information, using 48 paving leaf stations, calculated formula list is accurate to the former cigarette quantity of each grade, oxed weight, proportioning case number in the former cigarette putting into paving leaf platform, control in conjunction with paving leaf stem-butts laying platform LED screen adjust in time each station feed intake progress it is ensured that in module formula each grade Nicotiana tabacum L. spread the stepless action of leaf mixture；
Step 2：Before the processing of modularity Recipe leaf beating, organize the proportioning paving leaf scheme of the Nicotiana tabacum L. of small lot according to tobacco formulation list before manufacture, described paving leaf purpose is to ensure built in advance chemical composition testing equipment model, the chemical score of Nicotiana tabacum L. can accurately be detected during follow-up formal Recipe leaf beating, and the average chemical value of each vanning Nicotiana tabacum L. detection is stored；
Step 3：Chemical composition testing equipment model in above-mentioned steps 2, the detection of laboratory standard values and comparing of predictive value are carried out by the representative tobacco sample of online acquisition, by the spectrum producing in scanning process is carried out with homogenizing centralization, multiplicative scatter correction, standard normal variable conversion, differential and the data preprocessing method such as smooth, by the wavelength screening that correlation coefficient, variance analyses, successive projection etc. are advanced, build principal component model using offset minimum binary correcting algorithm, set up and optimize, verify model it is ensured that model relative deviation precision controlling is below 5%.
Step 4：The chemical score of chemical composition detecting and controlling system storage is sent to former cigarette formula stereo garage logistic management system；
Step 5：Former streamer the information such as oxed weight, case number (CN) and chemical composition and is entered shelf magazine, system to this batch institute after former cigarette chemical composition meansigma methodss calculate in stock by the high, normal, basic distribution of chemical score carry out efficiently, classification stacking puts in storage；
Step 6：Former cigarette formula stereo garage logistic management system, according to each case Nicotiana tabacum L. chemical score storage information, is divided into some groups according to the suitable quantity of each batch, takes out a number of smoke box based on NP algorithm etc. every time from stock's sample, forms one group of outbound ripple time queue；
Step 7：Under given level and quantity, every ripple time chemistry average is close, and Distribution of chemical value is matched with the population distribution of chemical score in former stock, determines the batch and quantity feeding intake, and transmits this ripple time queuing message to former cigarette formula stereo garage logistic management system simultaneously；
Step 8：After determining the outbound ripple time queue of batch, it is batch interior nicotine average and the variation within batch coefficient minimum between group and group according to the result after sequence（Ad eundem）, or each minimum formulation unit（Many grades）Batch in the principle of the minimum uniformly dispersing of tobacco leaf degree distribution, nicotine average and variation within batch coefficient every group of distribution is ranked up；
Through above-mentioned steps, determine the ripple time queue arrangement between the batch of each work order and group.Every group of grade is carried out sort out statistics, by the sequence of adjustment group, each minimum formulation unit of combination producing is criticized interior distribution of grades and reached unanimity, and realizes being uniformly distributed of tobacco leaf degree；
Step 9：According to above formulation principle, at utmost synchronize mould turnover using former cigarette formula stereo garage piler operational efficiency and feed intake, Nicotiana tabacum L. carries out secondary uniform after conveying by constant-current device to be mixed and join.
The present invention spreads leaf by proportioning, the online measuring technique of near infrared spectrometer, uniformly mix the combination joining multiple links in conjunction with former cigarette formula stereo garage logistic management system and premix cabinet, good effect is obtained in actual production control process, leaf proportioning will be spread, formula goes out warehouse-in, quality information is reviewed and is combined, solve the problems, such as that Material Staging Area hand sorting feeds intake, Effective Regulation Recipe leaf beating produces Material Staging Area Nicotiana tabacum L. uniformity, reduce its nicotine coefficient of variation in tobacco threshing and redrying operation front end, thus improve Recipe leaf beating homogenizing the control ability of level of processing, ensure the quality stability of product.
Brief description：
Fig. 1 present invention regulates and controls the process chart of the Material Staging Area nicotine coefficient of variation；
Fig. 2 present invention frame up warehouse-in before On-line NIR instrument detects schematic diagram.
Specific embodiment：
It is that the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, it is described in detail below.
The present invention reduces the equipment of the beating and double roasting nicotine coefficient of variation, described equipment includes conveyer belt 1 and former cigarette formula stereo garage, it is provided with On-line NIR instrument 3 collecting above belt conveyor, it is provided with belted electronic balance 4, former cigarette formula stereo garage 5 after the output laggard luggage frame of described belt conveyer scale below the rear end of belt conveyor.
Further, the storage information of above-mentioned former cigarette formula stereo garage is connected to detecting and controlling system by PLC, described On-line NIR instrument and detecting and controlling system data cube computation（As shown in Figure 2）.
Further, for reasonable in design, chemical composition detecting instrument scanning speed >=30 spectrum/second, the time of integration is 21.4ms, and away from tobacco leaf surface distance in 170mm, after spectrogrph scanning, interval generates spectrum in 3 seconds to equipment detecting head surface.
The present invention spreads the leaf detection warehouse-in pre- blending of algorithm outbound by proportioning and joins, On-line NIR instrument detection technique mixes, with reference to former cigarette formula stereo garage logistic management system and premix cabinet, the technology pattern joining to regulate and control the Material Staging Area nicotine coefficient of variation, and its preferably specific embodiment is as follows：
Nicotiana tabacum L. is after manually selecting leaf, form many grades tobacco leaf module, complete formula list is made according to the proportioning demand that homogenizes, Nicotiana tabacum L. feeds intake information, using 48 paving leaf stations, calculated formula list is accurate to the former cigarette quantity of each grade, oxed weight, proportioning case number etc. in the former cigarette putting into paving leaf platform, control in conjunction with paving leaf stem-butts laying platform LED screen adjust in time each station feed intake progress it is ensured that in module formula each grade Nicotiana tabacum L. spread the uniformity of leaf mixture；
Collect the online near infrared spectrometer of installation at belt referring to Nicotiana tabacum L. after the completion of accompanying drawing 1 proportioning paving leaf, Nicotiana tabacum L. frames up before entrance formula stereo garage operation, the surface of oblique ascension belt, near infrared spectrometer is connected with near-infrared data collection and administration platform, control system and formula solid library connects, formed complete set go out to put control supervisor in storage.Scanning speed >=30 spectrum/second, the time of integration is 21.4ms, away from tobacco leaf surface distance in 170mm, after spectrogrph scanning, interval generates spectrum in 3 seconds to equipment detecting head surface, is analyzed its on-line checking, is stored the meansigma methodss of every frame tobacco leaf chemical composition and moisture by the continuous spectrum generating.
The every frame tobacco leaf chemical composition being gone out by on-line checking referring to accompanying drawing 2 and the meansigma methodss of moisture, storage information are transmitted to the former cigarette formula solid upper program of base management system by PLC program, carry out efficient stacking warehouse-in by detection information.If certain line detection case occurs abnormal, system will carry out average assignment online it is ensured that the information of the complete Nicotiana tabacum L. that frames up to it, enters next operation sequence.
Former cigarette formula solid base management system, according to each case Nicotiana tabacum L. chemical score storage information, is divided into some groups according to the suitable quantity of each batch, takes out a number of smoke box based on NP algorithm etc. every time from stock's sample, form one group of outbound ripple time queue.When outbound produces, stereo garage generates outbound work order according to on-line checking information, given level and quantity, determination feed intake batch size, feed intake outbound by group according to outbound queue.To there being exceptional value situation, prescription system will carry out chemical score maintenance to it.
During mould turnover, with three casees for a combination mould turnover simultaneously, each group is combined all after system-computed, its chemical composition meansigma methods is closest to the meansigma methodss of each ripple time, in this way the chemical component fluctuation between group and group is preferably minimized it is ensured that the former cigarette in each premix cabinet consists of complete formula proportion and chemical composition is the most uniform.
Former cigarette after mould turnover is uniformly delivered to charge car by belted electronic balance, charge car adopts variable frequency regulating speed control, moved back and forth in premix cabinet in the way of stripe shape paving leaf and former cigarette is evenly distributed in premix cabinet, pressed by way of module storing and transverse section discharging operation by former cigarette, realize former cigarette secondary uniform and mix joining.
The above; it is only the present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope of present disclosure; the change or replacement that can readily occur in, all should be included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by the protection domain of claims.
Claims (6)
1. a kind of reduce the beating and double roasting nicotine coefficient of variation equipment it is characterised in that：Described equipment include online chemical composition detecting instrument, Nicotiana tabacum L. automatic boxing control device, former cigarette formula stereo garage it is characterised in that：After Nicotiana tabacum L. is detected by chemical composition through formula paving leaf, it is delivered to the oxed weight control system that precision is ± 0.5%, former cigarette formula stereo garage is led to after vanning control system case is full, tobacco leaf chemical composition information is connected to detecting and controlling system by PLC, and described chemical composition testing equipment and detecting and controlling system realize data cube computation.
2. according to claim 1 reduce the beating and double roasting nicotine coefficient of variation equipment it is characterised in that：Described chemical composition testing equipment spectral region is in 910nm-2200nm; scanning speed >=30 spectrum/second; the time of integration is 21.4ms; equipment detecting head surface is away from tobacco leaf surface distance in 170mm; after the scanning of chemical composition testing equipment, interval generates spectrum in 3 seconds; the intelligence carrying out automatic exceptional spectrum rejecting, most optimum wavelengths screening and high bar point to the spectrum producing after Nicotiana tabacum L. scanning is chosen, and to functional modules such as detection process abnormal chemical value intellectual analysis, differentiation, feedbacks.
3. a kind of reduce the beating and double roasting nicotine coefficient of variation technique it is characterised in that：Described technique comprises the steps：
Step 1：Nicotiana tabacum L. is after manually selecting leaf, form many grades tobacco leaf module, complete formula list is made according to the proportioning demand that homogenizes, Nicotiana tabacum L. feeds intake information, using 48 paving leaf stations, calculated formula list is accurate to the former cigarette quantity of each grade, oxed weight, proportioning case number in the former cigarette putting into paving leaf platform, control in conjunction with paving leaf stem-butts laying platform LED screen adjust in time each station feed intake progress it is ensured that in module formula each grade Nicotiana tabacum L. spread the stepless action of leaf mixture；
Step 2：Before the processing of modularity Recipe leaf beating, organize the proportioning paving leaf scheme of the Nicotiana tabacum L. of small lot according to tobacco formulation list before manufacture, described paving leaf purpose is to ensure built in advance chemical composition testing equipment model, the chemical score of Nicotiana tabacum L. can accurately be detected during follow-up formal Recipe leaf beating, and the average chemical value of each vanning Nicotiana tabacum L. detection is stored；
Step 3：Chemical composition testing equipment model in above-mentioned steps 2, the detection of laboratory standard values and comparing of predictive value are carried out by the representative tobacco sample of online acquisition, by the spectrum producing in scanning process is carried out with homogenizing centralization, multiplicative scatter correction, standard normal variable conversion, differential and the data preprocessing method such as smooth, by the wavelength screening that correlation coefficient, variance analyses, successive projection etc. are advanced, build principal component model using offset minimum binary correcting algorithm, set up and optimize, verify model it is ensured that model relative deviation precision controlling is below 5%；
Step 4：The chemical score of chemical composition detecting and controlling system storage is sent to former cigarette formula stereo garage logistic management system；
Step 5：Former streamer the information such as oxed weight, case number (CN) and chemical composition and is entered shelf magazine, system to this batch institute after former cigarette chemical composition meansigma methodss calculate in stock by the high, normal, basic distribution of chemical score carry out efficiently, classification stacking puts in storage；
Step 6：Former cigarette formula stereo garage logistic management system, according to each case Nicotiana tabacum L. chemical score storage information, is divided into some groups according to the suitable quantity of each batch, takes out a number of smoke box based on NP algorithm etc. every time from stock's sample, forms one group of outbound ripple time queue；
Step 7：Under given level and quantity, every ripple time chemistry average is close, and Distribution of chemical value is matched with the population distribution of chemical score in former stock, determines the batch and quantity feeding intake, and transmits this ripple time queuing message to former cigarette formula stereo garage logistic management system simultaneously；
Step 8：After determining the outbound ripple time queue of batch, it is batch interior nicotine average and the variation within batch coefficient minimum between group and group according to the result after sequence（Ad eundem）, or each minimum formulation unit（Many grades）Batch in the principle of the minimum uniformly dispersing of tobacco leaf degree distribution, nicotine average and variation within batch coefficient every group of distribution is ranked up；
Through above-mentioned steps, determine the ripple time queue arrangement between the batch of each work order and group；
Every group of grade is carried out sort out statistics, by the sequence of adjustment group, each minimum formulation unit of combination producing is criticized interior distribution of grades and reached unanimity, and realizes being uniformly distributed of tobacco leaf degree；
Step 9：According to above formulation principle, at utmost synchronize mould turnover using former cigarette formula stereo garage piler operational efficiency and feed intake, Nicotiana tabacum L. carries out secondary uniform after conveying by constant-current device to be mixed and join.
4. a kind of reduce the beating and double roasting nicotine coefficient of variation equipment it is characterised in that：Described equipment includes conveyer belt and warehouse, is provided with On-line NIR instrument above belt conveyor input, is provided with belted electronic balance below the rearward end of belt conveyor, and the outfan of described belt conveyer scale leads to former cigarette formulation library.
5. according to claim 1 reduce the beating and double roasting nicotine coefficient of variation equipment it is characterised in that：The storage information of described former cigarette formulation library is connected toward detecting and controlling system, described On-line NIR instrument and detecting and controlling system data cube computation by PLC.
6. according to claim 1 reduce the beating and double roasting nicotine coefficient of variation equipment it is characterised in that：On described conveyer belt, material and the near infrared detection probe distance of On-line NIR instrument, at 170 millimeters, constantly scan through spectrogrph, every five seconds for example produces spectrum in real time.
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| CN107183777A (en) * | 2017-06-22 | 2017-09-22 | 中烟施伟策（云南）再造烟叶有限公司 | A kind of method for predicting papermaking-method reconstituted tobaccos chemical composition content |
| CN108576909A (en) * | 2018-07-09 | 2018-09-28 | 红塔烟草(集团)有限责任公司 | Nicotine control method in a kind of beating and double roasting production process |
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| CN110122914A (en) * | 2019-05-05 | 2019-08-16 | 河南中烟工业有限责任公司 | A kind of Recipe leaf beating redrying processing method that layer paving type feeds intake |
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| CN114376255A (en) * | 2022-01-12 | 2022-04-22 | 华环国际烟草有限公司 | Method for regulating and controlling uniformity of threshing and redrying formula |
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