CN105661617B - A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system and detection method - Google Patents
A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system and detection method Download PDFInfo
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- CN105661617B CN105661617B CN201610001618.9A CN201610001618A CN105661617B CN 105661617 B CN105661617 B CN 105661617B CN 201610001618 A CN201610001618 A CN 201610001618A CN 105661617 B CN105661617 B CN 105661617B
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 159
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 159
- 238000001514 detection method Methods 0.000 title claims abstract description 111
- 238000000576 coating method Methods 0.000 title claims abstract description 106
- 239000011248 coating agent Substances 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 52
- 230000033001 locomotion Effects 0.000 claims abstract description 116
- 238000002329 infrared spectrum Methods 0.000 claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000004611 spectroscopical analysis Methods 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 126
- 239000012530 fluid Substances 0.000 claims description 18
- 239000013307 optical fiber Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 claims description 11
- 230000003595 spectral effect Effects 0.000 claims description 9
- 230000010354 integration Effects 0.000 claims description 8
- 238000011897 real-time detection Methods 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 239000013074 reference sample Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 10
- 230000007480 spreading Effects 0.000 description 8
- 238000003892 spreading Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000012937 correction Methods 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- 235000019505 tobacco product Nutrition 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001310 location test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system, described detecting system includes：Near-infrared spectrum detection device, mechanical movement scanning equipment, reconstituted tobacco conveyer, coating homogeneity intelligent controlling device and computer, detector crisscross motion obtains the spectroscopic data of tested reconstituted tobacco diverse location, with reference to data processing and parser, the on-line quick detection of coating homogeneity is realized.A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system of the present invention, real-time online detection is carried out to the reconstituted tobacco coating homogeneity during production, and detection speed is fast, high precision；When testing result does not meet uniformity production requirement, meeting feedback information, is easy to be controlled coating homogeneity, it is ensured that the quality of production of papermaking-method reconstituted tobaccos, improve production efficiency.
Description
Technical field
It is more particularly to a kind of using near red the present invention relates to a kind of papermaking-method reconstituted tobaccos coating homogeneity detecting system
The papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system and detection method of external spectrum analytical technology.
Background technology
Reconstituted tobacco is by the residual matter of tobacco such as the offal in cigarette processing process, broken stalk, fragment, by technical finesse and weight
Sheet or thread reconstituted tobacco product that Combination nova is processed into（Also it is reconstituted tobacoo）.For reconstituted tobacco product process quality
Control, current production line moisture removal, temperature, slurry concentration and density index have outside On-line Control equipment, other quality controls
System is in blank, and major part is offline inspection, as a result delayed, not strong to production directiveness, such as weight per unit length, spreading rate, slurry
Expect the on-line checking and feedback of quality.Tobacco coating fluid is the main component for contributing reconstituted tobacco and sucking quality, is almost carried
Whole tobacco materials and aroma component of papermaking-method reconstituted tobaccos, final chemical composition content, sucking quality to product and
Related physical property all plays most important effect, and spreading rate is that an important technology control refers in production process
Mark, each batch of tobacco leaf product, the spreading rate of diverse location test point have reacted the coating homogeneity of tested tobacco leaf.It is paper-making method reconstructed
The coating homogeneity of tobacco leaf, refers to the coating liquid measure and its difference of component content of each position being applied in painting process in chip base
It is different, it is unevenly coated in production process, the component distributing of the reconstituted tobacco of production can be caused uneven, that is, product quality is influenceed,
Production is caused to waste.It is right to the high accuracy on-line checking and coating fluid stability control of reconstituted tobacco uniformity during production
Improve production efficiency and product yield are significant.In first technology, more papermaking-method reconstituted tobaccos spreading rates that discuss
Detection mode, and lack the research that real-time online detection is carried out specifically designed for reconstituted tobacco coating homogeneity.Chinese invention patent
201310067327.6 disclose a kind of assay method of papermaking-method reconstituted tobaccos spreading rate（With reference to first technology [1], middle promulgated by the State Council
Bright patent, a kind of assay method of papermaking-method reconstituted tobaccos spreading rate, application number：201310067327.6）, using respectively to sample
Product box and tested tobacco leaf drying, cooling, immersion filters, dried again etc. and operating, and spreading rate is calculated in the way of weighing.But
The problem for being the device is：Complex operation, off-line operation, it is impossible to meet the demand of on-line operation, and it is ununiform to being coated with
Property is analyzed.Chinese invention patent 201310681288.9 discloses a kind of papermaking-method reconstituted tobaccos coating weight detection mode
（With reference to first technology [2], Chinese invention patent, a kind of method of detection papermaking-method reconstituted tobaccos coating weight, application number：
201310681288.9）, contained using the nicotine of papermaking-method reconstituted tobaccos near infrared online detection Moisture Meter detection production process
Amount, content of reducing sugar and moisture, the coating weight of papermaking-method reconstituted tobaccos is calculated with this.But the problem of the device is：
The solid content after being coated with chip base to coating fluid is needed to detect, complex operation, it is impossible to realize the inspection to coating homogeneity
Survey, and real-time Based Intelligent Control cannot be realized to coating homogeneity.
The content of the invention
It is an object of the invention to overcome the shortcomings of above-mentioned first technology, there is provided one kind detects former based near infrared spectrum
The papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system and detection method of reason, using the paper-making method reconstructed cigarette of the system detectio
Leaf coating homogeneity, has the advantages that speed is fast, high precision.
Technical solution of the invention is as follows：
A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system, its feature is：The system includes near-infrared
Spectrum detection device, mechanical movement scanning equipment, reconstituted tobacco conveyer, coating homogeneity intelligent controlling device and calculating
Machine；Reconstituted tobacco conveyer is arranged at the lower end part of mechanical movement scanning equipment and near-infrared spectrum detection device 1；Coating
Uniformity intelligent controlling device is arranged on reconstruction leaf conveyer, and regulation coating fluid is provided with the intelligent controlling device
Upper doses and applicator roll line.
Described near-infrared spectrum detection device, to enter detection zone tested reconstituted tobacco detect, detect by
Reconstituted tobacco near infrared spectrum is surveyed, to corresponding detection data is exported on described computer, the detection data includes tested reconstruction
The near infrared spectrum data of predetermined comparison range of wavelengths in tobacco leaf；
Described near-infrared spectrum detection device, comprising the first near infrared spectrum being installed on above tested reconstituted tobacco paper
Detection module and the second near infrared spectrum detection module being installed on below tested reconstituted tobacco paper；
The first described near infrared spectrum detection module, comprising near-infrared light source, high speed near infrared spectrometer, optical fiber,
One fibre-optical probe and the second fibre-optical probe；
The second described near infrared spectrum detection module, comprising near-infrared light source, high speed near infrared spectrometer, optical fiber,
Three fibre-optical probes and the 4th fibre-optical probe；
The first described near infrared spectrum detection module, for detecting tested reconstituted tobacco upper surface spectroscopic data；
The second described near infrared spectrum detection module, for detecting tested reconstituted tobacco lower surface spectroscopic data；
It is near red on the first described near infrared spectrum detection module and on the second described near infrared spectrum detection module
Outer light source, high speed near infrared spectrometer, optical fiber are identical with the specifications and characteristics parameter of fibre-optical probe；
Preferably, the measurement range of described high speed near infrared spectrometer is 900 ~ 2500nm；
Preferably, the time of integration of described high speed near infrared spectrometer is 10 ~ 1000ms；
The the first near infrared spectrum detection module and the second near infrared light installed on described near-infrared spectrum detection device
Spectrum detection module, by computer controls；When computer software sends instruction, by servo driver drives motor, is realized
One near infrared spectrum detection module and the second near infrared spectrum detection module make mechanical movement in predetermined movement track；
Described mechanical movement scanning equipment, comprising the first motion scanning module being installed on above tested reconstituted tobacco paper
With the second motion scanning module being installed on below tested reconstituted tobacco paper；Motion is provided with first motion scanning module to lead
Rail, motion guide rail is provided with the second motion scanning module.
First near infrared spectrum detection module is arranged in the first motion scanning module, the second near infrared spectrum detection module
In the second motion scanning module.
Described mechanical movement scanning equipment 2, comprising the first motion scanning mould being installed on above tested reconstituted tobacco paper
Block and the second motion scanning module being installed on below tested reconstituted tobacco paper；Motion is provided with first motion scanning module to lead
Rail 201, motion guide rail 202 is provided with the second motion scanning module.
First near infrared spectrum detection module is arranged in the first motion scanning module, the second near infrared spectrum detection module
In the second motion scanning module.
The transverse movement that described the first fibre-optical probe and the second fibre-optical probe is fixed in the first motion scanning module is led
On rail, the distance on two fibre-optical probes to tested reconstituted tobacco surface is equal；First motion scanning module controls the first optical fiber to visit
Head and the second fibre-optical probe in same direction, back and forth movement are done with the pre-set velocity of identical first；
The distance of first fibre-optical probe and the second fibre-optical probe in motion guide rail transverse direction is equal to the width of tested tobacco leaf paper
Half；
The distance on the first fibre-optical probe and the second fibre-optical probe to tested reconstituted tobacco surface is equal, is all 0.02 ~ 0.2m；
The transverse movement that the 3rd described fibre-optical probe and the 4th fibre-optical probe are fixed in the second motion scanning module is led
On rail, the distance on two fibre-optical probes to tested reconstituted tobacco surface is equal；Second motion scanning module controls the 3rd optical fiber to visit
Head and the 4th fibre-optical probe in same direction, back and forth movement are done with the pre-set velocity of identical second；
The distance of 3rd fibre-optical probe and the 4th fibre-optical probe in motion guide rail transverse direction is equal to the width of tested tobacco leaf paper
Half；
The distance on the 3rd fibre-optical probe and the 4th fibre-optical probe to tested reconstituted tobacco surface is equal, is all 0.02 ~ 0.2m；
Preferably, the first pre-set velocity is controlled to 0.01 ~ 0.2m/s；
Preferably, the second pre-set velocity is controlled to 0.01 ~ 0.2m/s；
First pre-set velocity is equal with the second pre-set velocity, the selected master control system control by computer of velocity magnitude
System；
Preferably, the direction of motion of the first fibre-optical probe and the second fibre-optical probe, with the 3rd fibre-optical probe and the 4th optical fiber
The direction of motion of probe, it is opposite in synchronization；
Preferably, the first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe are in tested reconstruction
Motion scanning path on tobacco leaf paper is interlaced, in web form；
Described reconstituted tobacco conveyer, by computer controls, for carrying out papermaking-method reconstituted tobaccos on a production line
Transmission；
Preferably, the speed of described reconstituted tobacco conveyer transmission reconstituted tobacco is 0 ~ 5m/s；
Described coating homogeneity intelligent controlling device, can be according to the detection of the feedback of the master control system on computer
As a result, related process parameters in real-time regulation coating process, it is ensured that coating is uniform and stable；
Preferably, described coating homogeneity intelligent controlling device, the mode for adjusting coating homogeneity can be that regulation is applied
The process such as doses, Based Intelligent Control applicator roll line pressure on cloth liquid；
Master control system software is mounted with described computer, for detection process control, near infrared spectrum inspection is received
Survey device described in export spectral detection data, detection data storage, using default data processing algorithm to gather data
Processed, and by default Mathematical Modeling and default coating homogeneity evaluation algorithm, calculated coating homogeneity；
Preferably, using PLS（PLS）Set up described Mathematical Modeling, by near infrared spectrum information with it is tested
The related chemical constituents data correlation of reconstituted tobacco sample；
Master control system on described computer, feeds back to coating homogeneity Based Intelligent Control dress by testing result in real time
Put；
Master control system on described computer controls the parameter of detection process, can be high speed near infrared spectrometer
The time of integration, the movement velocity of mechanical movement scanning equipment, transfer rate of reconstituted tobacco conveyer etc.；
The parameter of the described coating homogeneity intelligent controlling device of master control system control on described computer, can be with
It is the information such as applicator roll line pressure, the flow of coating fluid, the position of application point；
In described computer and other all parts device connection procedures, the reception of data and the transmission of control signal
Mode uses wireless transmission method；
Described default data processing algorithm can be first derivative treatment, multiplicative scatter correction, data smoothing, baseline
The mathematical algorithms such as correction, Orthogonal Signal Correction Analyze and wavelet transformation（With reference to first technology [3], Song Haiyan, the inspection of soil near infrared spectrum
Survey [M], Beijing：Chemical Industry Press, 2013.12）；
A kind of papermaking-method reconstituted tobaccos coating homogeneity online test method, realizes that step is as follows：
（1）Detecting system is fixed on the conveyer support after the coated operation of reconstituted tobacco；
（2）Scanning detection coordinate is carried out near infrared spectrum detection module first to demarcate, scanning coordinate system is set up and is tested
The mapping relations of reconstituted tobacco cartesian coordinate system；
（3）Adjustment light source, the first near infrared spectrum detection module, the second near infrared spectrum detection module, the first motion are swept
The position of module and the second motion scanning module is looked into, the first near infrared spectrum detection module is arranged on the first motion scanning module
Above and positioned at tested reconstituted tobacco top, the second near infrared spectrum detection module is arranged in the second motion scanning module and position
In tested reconstituted tobacco lower section；
（4）The position of the first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe is adjusted, the
Distance on one fibre-optical probe and the second fibre-optical probe transverse direction is equal to the half of the width of tested tobacco leaf paper；3rd fibre-optical probe and
Distance in 4th fibre-optical probe transverse direction is equal to the half of the width of tested tobacco leaf paper；
（5）By the master control system on computer, the time of integration of setting high-speed near infrared spectrometer and mechanical movement
The movement velocity of scanning equipment；
（6）Start coating homogeneity on-line measuring device of the invention, the spectrum under collection near infrared spectrometer dark condition
With the spectral information of reference sample；
（7）Reconstituted tobacco production line is opened, the master control system on computer controls detector transmission module to near-infrared
The motion state of spectrum detection device is controlled, the first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th light
Fibre probe passes data message respectively according to pre-set velocity and the spectral information of the tested reconstituted tobacco of direction of motion real-time detection
Give computer；
（8）Master control system software on computer to the near infrared spectrum data for gathering using default algorithm at
Reason and analysis, calculate the coating homogeneity of tested reconstituted tobacco；
（9）When the master control system on computer judges that coating homogeneity is less than according to default coating homogeneity distinguished number
During predetermined threshold value, meeting feedback information simultaneously shows the region being unevenly coated on tested reconstituted tobacco, and control coating homogeneity intelligence
Energy control device, by adjusting the processes such as doses on coating fluid, Based Intelligent Control applicator roll line pressure, regulation coating is uniform
Property, so as to realize the real-time online detection of the coating homogeneity to being tested reconstituted tobacco and control.
Compared with first technology, the invention has the advantages that：
1st, the present invention processes spectroscopic data using high speed near infrared spectrum on-line checking mode using preset algorithm, analyzes quilt
Reconstituted tobacco coating homogeneity is surveyed, detection speed is fast, high precision；
2nd, coating homogeneity on-line detecting system of the invention combines mechanical scanning equipment, realize to during production again
Making tobacco leaf coating homogeneity carries out real-time detection, and when testing result does not meet uniformity production requirement, meeting feedback information, is easy to
Adjustment control in time.
The present invention also has following features：
1st, two groups of fibre-optical probes detect the spectroscopic data above and below tested reconstituted tobacco respectively, and accuracy in detection is more
It is high；
2nd, the motion scanning path of four fibre-optical probes on reconstituted tobacco paper is in cross network, and sample rate is fast, sampling
Density is high, and loss is low.
Brief description of the drawings
Fig. 1 is reconstituted tobacco coating homogeneity on-line detecting system schematic diagram of the invention；
Fig. 2 is detector motion scanning path schematic diagram；
Fig. 3 is detector drive mechanism schematic diagram；
Fig. 4 is reconstituted tobacco coating homogeneity on-line detecting system theory diagram of the invention；
1st, infrared spectrum detection means；2nd, mechanical movement scanning equipment；3rd, reconstituted tobacco；4th, applicator roll line；5th, conveyer belt；
6th, intelligent controlling device；7th, reconstituted tobacco conveyer；8th, doses on regulation coating fluid；9th, computer；101st, the first optical fiber is visited
Head；102nd, the second fibre-optical probe；103rd, the 3rd fibre-optical probe；104th, the 4th fibre-optical probe；201st, motion guide rail, 202, motion is led
Rail.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is further described.Following examples are only
For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
The specific embodiment of the invention is as follows：
Fig. 1 is reconstituted tobacco coating homogeneity on-line detecting system schematic diagram of the invention, as seen from the figure, the system architecture
Including：The present apparatus includes that near-infrared spectrum detection device 1, mechanical movement scanning equipment 2, reconstituted tobacco conveyer 7, coating are equal
Even property intelligent controlling device 6 and computer 9；
Described near-infrared spectrum detection device 1, detects to being tested reconstituted tobacco 3 after the coating for entering detection zone,
Tested reconstituted tobacco near infrared spectrum is detected, corresponding detection data is exported to described computer 9, the detection data includes quilt
Survey the near infrared spectrum data of predetermined comparison range of wavelengths in reconstituted tobacco 3；
Described near-infrared spectrum detection device 1, comprising the first near infrared spectrum for being installed on the top of tested reconstituted tobacco 3
Detection module and it is installed on tested reconstituted tobacco paper lower section and the second near infrared spectrum detection module；
The first described near infrared spectrum detection module, comprising near-infrared light source, high speed near infrared spectrometer, optical fiber,
One fibre-optical probe 101 and the second fibre-optical probe 102；
The second described near infrared spectrum detection module, comprising near-infrared light source, high speed near infrared spectrometer, optical fiber,
Three fibre-optical probes 103 and the 4th fibre-optical probe 104；
The first described near infrared spectrum detection module 201, for detecting tested reconstituted tobacco upper surface spectroscopic data；
The second described near infrared spectrum detection module, for detecting tested reconstituted tobacco lower surface spectroscopic data；
It is near red on the first described near infrared spectrum detection module and on the second described near infrared spectrum detection module
Outer light source, high speed near infrared spectrometer, optical fiber are identical with the specifications and characteristics parameter of fibre-optical probe；
Preferably, the measurement range of described high speed near infrared spectrometer is 900 ~ 2500nm；
Preferably, the time of integration of described high speed near infrared spectrometer is 10 ~ 1000ms；
The the first near infrared spectrum detection module and the second near infrared light installed on described near-infrared spectrum detection device 1
Spectrum detection module, is controlled by computer 9；When the software of computer 9 sends instruction, by servo driver drives motor, realize
First near infrared spectrum detection module and the second near infrared spectrum detection module make mechanical movement in predetermined movement track；
Described mechanical movement scanning equipment 2, comprising the first motion scanning mould being installed on above tested reconstituted tobacco paper
Block and the second motion scanning module being installed on below tested reconstituted tobacco paper；Motion is provided with first motion scanning module to lead
Rail 201, motion guide rail 202 is provided with the second motion scanning module.
First near infrared spectrum detection module is arranged in the first motion scanning module, the second near infrared spectrum detection module
In the second motion scanning module.
In current papermaking-method reconstituted tobaccos quality control during process field, the stability control of coating homogeneity and coating fluid
System plays an important role to reconstituted tobacco product quality, and the detection to spreading rate and coating homogeneity proposes requirement very high；
Therefore, it is tested reconstituted tobacco with the reconstituted tobacco paper that reconstituted tobacco transfer rate is as 1m/s on production line, width is as 1m, uses
Reconstituted tobacco coating homogeneity on-line detecting system of the invention is detected；
As shown in Figure 2, the first described fibre-optical probe 101 and the second fibre-optical probe 102 are fixed on mechanical movement scanning
On the transverse movement guide rail 201 in the first motion scanning module in device 2, two fibre-optical probes to the tested table of reconstituted tobacco 3
The distance in face is equal, is all 0.2m；First motion scanning module control the first fibre-optical probe 101 and the edge of the second fibre-optical probe 102
Equidirectional, back and forth movement is done with the speed of identical 0.1m/s；First fibre-optical probe 101 and the second fibre-optical probe 102 are in fortune
Distance in the dynamic transverse direction of guide rail 201 is equal to 0.5m；
As shown in Figure 2, the 3rd described fibre-optical probe 103 and the 4th fibre-optical probe 104 are fixed on mechanical movement scanning
On the transverse movement guide rail 202 in the second motion scanning module in device 2, two fibre-optical probes to the tested table of reconstituted tobacco 3
Face it is highly equal, be all 0.2m；Second motion scanning module control the 3rd fibre-optical probe 103 and the edge of the 4th fibre-optical probe 104
Equidirectional, back and forth movement is done with the speed of identical 0.1m/s；3rd fibre-optical probe 103 and the 4th fibre-optical probe 104 are in fortune
Distance in the dynamic transverse direction of guide rail 202 is equal to 0.5m；
As shown in Figure 3, the first fibre-optical probe 101, the second fibre-optical probe 102, the 3rd fibre-optical probe 103 and the 4th optical fiber
Motion scanning path of the probe 104 on tested reconstituted tobacco paper 3 is respectively the trajectory such as Fig. 3, and each movement locus is mutually handed over
Mistake, in intersection web form；
Described reconstituted tobacco conveyer 7 is controlled with calculating mechatronics and by computer 9, for carrying out paper process again
Tobacco leaf transmission on a production line is made, the reconstituted tobacco conveyer is arranged at mechanical movement scanning equipment 2 and near infrared spectrum
The lower end part of detection means 1.
Described coating homogeneity intelligent controlling device 6 is arranged on reconstruction leaf conveyer, and the Based Intelligent Control is filled
Put and be provided with 6 doses 8 and applicator roll line 4 on regulation coating fluid；The inspection that can be fed back according to the master control system on computer 9
Survey result, related process parameters in real-time regulation coating process, it is ensured that coating is uniform and stable；Described coating homogeneity is intelligently controlled
Device processed 6, the mode for adjusting coating homogeneity can be the work such as doses 8, the pressure of Based Intelligent Control applicator roll line 4 on regulation coating fluid
Process；
Master control system software is mounted with described computer 9, for detection process control, near infrared spectrum inspection is received
Survey device described in export spectral detection data, detection data storage, using default data processing algorithm to gather data
Processed, and by default Mathematical Modeling and default coating homogeneity evaluation algorithm, calculated coating homogeneity；
Master control system on described computer 9, feeds back to coating homogeneity Based Intelligent Control by testing result in real time
Device 6；
Master control system on described computer 9 controls the parameter of detection process, can be high speed near infrared spectrometer
The time of integration, the movement velocity of mechanical movement scanning equipment 2, the transfer rate of reconstituted tobacco conveyer 7 etc., the present embodiment
The time of integration of middle setting high-speed near infrared spectrum is 200ms；
The parameter of the coating homogeneity intelligent controlling device 6 described in master control system control on described computer 9, can
Being the information such as the pressure of applicator roll line 4, the flow of coating fluid, the position of application point；
In described computer 9 and other all parts device connection procedures, the reception of data and the transmission of control signal
Mode use wireless transmission method；
When near-infrared light source invests tested reconstituted tobacco, will be in its surface and internal generation diffusing reflection, due to not same
The composition of product is different, also different near infrared absorption, after being pre-processed through first derivative, by near-infrared spectral reflectance and tested reconstruction
The chemical composition datas such as total reducing sugar, reduced sugar, chlorine, the total nitrogen of tobacco leaf sample, use PLS（PLS）Set up model；Foundation
The quantitative model, computer 9 can calculate the corresponding chemical composition content of tested reconstituted tobacco, and then be obtained according to chemical composition content
The coating homogeneity data of reconstituted tobacco must be tested；
A kind of papermaking-method reconstituted tobaccos coating homogeneity online test method, realizes that step is as follows：
（1）Detecting system is fixed on the conveyer support after the coated operation of reconstituted tobacco；
（2）Scanning detection coordinate is carried out near infrared spectrum detection module first to demarcate, scanning coordinate system is set up and is tested
The mapping relations of the cartesian coordinate system of reconstituted tobacco 3；
（3）Adjustment light source, the first near infrared spectrum detection module, the second near infrared spectrum detection module, the first motion are swept
The position of module and the second motion scanning module is looked into, the first near infrared spectrum detection module is arranged on the first motion scanning module
Above and positioned at the top of tested reconstituted tobacco 3, the second near infrared spectrum detection module is arranged in the second motion scanning module simultaneously
Positioned at the lower section of tested reconstituted tobacco 3；
（4）Adjust the first fibre-optical probe 101, the second fibre-optical probe 102, the 3rd fibre-optical probe 103 and the 4th fibre-optical probe
104 position, the distance on the first fibre-optical probe 101 and the transverse direction of the second fibre-optical probe 102 is equal to the width of tested tobacco leaf paper 3
Half；Distance on 3rd fibre-optical probe 103 and the transverse direction of the 4th fibre-optical probe 104 is equal to the half of the width of tested tobacco leaf paper 3；
（5）By the master control system on computer 9, the time of integration of setting high-speed near infrared spectrometer and mechanical movement
The movement velocity of scanning equipment；
（6）Start coating homogeneity on-line measuring device of the invention, the spectrum under collection near infrared spectrometer dark condition
With the spectral information of reference sample；
（7）Reconstituted tobacco production line is opened, the master control system on computer 9 controls detector transmission module to near-infrared
The motion state of spectrum detection device is controlled, the first fibre-optical probe 101, the second fibre-optical probe 102, the 3rd fibre-optical probe
103 and the 4th fibre-optical probe 104 respectively according to the spectral information of the tested reconstituted tobacco of pre-set velocity and direction of motion real-time detection,
And send data message to computer 9；
（8）Master control system software on computer 9 is carried out to the near infrared spectrum data for gathering using default algorithm
Treatment and analysis, calculate the coating homogeneity of tested reconstituted tobacco；
（9）When the master control system on computer 9 judges that coating homogeneity is low according to default coating homogeneity distinguished number
When predetermined threshold value, meeting feedback information simultaneously shows the region being unevenly coated on tested reconstituted tobacco, and control coating homogeneity
Intelligent controlling device 6, by adjusting the processes such as doses on coating fluid 8, the pressure of Based Intelligent Control applicator roll line 4, regulation coating
Uniformity, so as to realize the real-time online detection of the coating homogeneity to being tested reconstituted tobacco 3 and control.
As shown in Figure 4 be reconstituted tobacco coating homogeneity on-line detecting system theory diagram of the invention, near-infrared
Spectral detector carries out real-time detection to tested reconstituted tobacco, and by the master control system software in the incoming computer of data, it is soft
Part is quickly processed coherent detection data and equal according to the coating that the Mathematical Modeling set up calculates tested reconstituted tobacco
Even property, and show in real time；When computer is analyzed according to preset algorithm, coating homogeneity is smaller or coating fluid stability is less than pre-
When determining threshold value, system one side feedback information is adjusted control in order to workman in time, while can also be by controlling coating fluid
Concentration, or the process such as doses, Based Intelligent Control applicator roll line pressure is carried out to coating fluid stability on regulation coating fluid
Based Intelligent Control.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
Also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system, it is characterised in that the system includes：Near infrared light
Spectrum detection device, mechanical movement scanning equipment, reconstituted tobacco conveyer, coating homogeneity intelligent controlling device and computer；
Reconstituted tobacco conveyer is arranged at the lower end part of mechanical movement scanning equipment and near-infrared spectrum detection device；Coating is uniform
Property intelligent controlling device be arranged on reconstituted tobacco conveyer on, for adjusting doses or applicator roll line pressure on coating fluid；Machine
Tool moves scanning equipment, moves scanning module comprising first be installed on above tested reconstituted tobacco and is installed on tested reconstruction cigarette
The second motion scanning module below leaf；Motion guide rail is provided with first motion scanning module, in the second motion scanning module
It is provided with motion guide rail.
2. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 1, it is characterised in that：
Near-infrared spectrum detection device, including be installed on the first near infrared spectrum detection module above tested reconstituted tobacco and be installed on
The second near infrared spectrum detection module below tested reconstituted tobacco；The first described near infrared spectrum detection module, comprising near
Infrared light supply, high speed near infrared spectrometer, optical fiber, the first fibre-optical probe and the second fibre-optical probe；The second described near infrared light
Spectrum detection module, comprising near-infrared light source, high speed near infrared spectrometer, optical fiber, the 3rd fibre-optical probe and the 4th fibre-optical probe；The
One near infrared spectrum detection module, for detecting tested reconstituted tobacco upper surface spectroscopic data；Second near infrared spectrum detects mould
Block, for detecting tested reconstituted tobacco lower surface spectroscopic data；First near infrared spectrum detection module is arranged on the first motion and sweeps
Look into module, the second near infrared spectrum detection module is arranged in the second motion scanning module；
Described near-infrared spectrum detection device, the tested reconstituted tobacco to entering detection zone detects, detects and be tested again
Tobacco leaf near infrared spectrum is made, corresponding detection data is exported by the master control system on computer, the detection data is included and is tested again
Make the near infrared spectrum data of predetermined comparison range of wavelengths in tobacco leaf.
3. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 2, it is characterised in that：
First fibre-optical probe and the second fibre-optical probe are fixed on the transverse movement guide rail in the first motion scanning module, and two optical fiber are visited
The distance on head to tested reconstituted tobacco surface is equal；First motion scanning module control the first fibre-optical probe and the second fibre-optical probe
In same direction, back and forth movement is done with the pre-set velocity of identical first；3rd fibre-optical probe and the 4th fibre-optical probe are fixed on
On transverse movement guide rail in two motion scanning modules, the distance on two fibre-optical probes to tested reconstituted tobacco surface is equal；The
Two motion scanning modules control the 3rd fibre-optical probe and the 4th fibre-optical probe in same direction, are done with the pre-set velocity of identical second
Back and forth movement；
The direction of motion of the first fibre-optical probe and the second fibre-optical probe, with the 3rd fibre-optical probe and the motion side of the 4th fibre-optical probe
To opposite in synchronization；First fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe are tested
Motion scanning path on reconstituted tobacco is interlaced, in web form.
4. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 3, it is characterised in that
The distance of first fibre-optical probe and the second fibre-optical probe in motion guide rail transverse direction is equal to the half of the width of tested reconstituted tobacco；
The distance on the first fibre-optical probe and the second fibre-optical probe to tested reconstituted tobacco surface is equal, is all 0.02~0.2m.
5. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 3, it is characterised in that
The distance of 3rd fibre-optical probe and the 4th fibre-optical probe in motion guide rail transverse direction is equal to the half of the width of tested reconstituted tobacco；
The distance on the 3rd fibre-optical probe and the 4th fibre-optical probe to tested reconstituted tobacco surface is equal, is all 0.02~0.2m.
6. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 1, it is characterised in that
Reconstituted tobacco conveyer, by computer controls, for carrying out papermaking-method reconstituted tobaccos transmission on a production line；Reconstituted tobacco
The speed of the tested reconstituted tobacco of conveyer transmission is 0~5m/s.
7. the on-line checking side of a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 2
Method, it is characterised in that comprise the following steps：
1. detecting system is fixed on the conveyer support after the coated operation of reconstituted tobacco；
2. scanning detection coordinate is carried out near infrared spectrum detection module first to demarcate, scanning coordinate system is set up with tested reconstruction cigarette
The mapping relations of leaf cartesian coordinate system；
3. adjustment light source, the first near infrared spectrum detection module, the second near infrared spectrum detection module, first move scanning module
With the position of the second motion scanning module, the first near infrared spectrum detection module is arranged in the first motion scanning module and position
In tested reconstituted tobacco top, the second near infrared spectrum detection module is arranged in the second motion scanning module and is located at tested
Reconstituted tobacco lower section；
4. the position of the first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe, the first optical fiber are adjusted
Distance on probe and the second fibre-optical probe transverse direction is equal to the half of the width of tested reconstituted tobacco；3rd fibre-optical probe and the 4th
Distance in fibre-optical probe transverse direction is equal to the half of the width of tested tobacco leaf paper；
5. by the master control system on computer, the time of integration of setting high-speed near infrared spectrometer and mechanical movement scanning are filled
The movement velocity put；
6. coating homogeneity on-line detecting system is started, the light of spectrum and reference sample under collection near infrared spectrometer dark condition
Spectrum information；
7. reconstituted tobacco production line is opened, the master control system control detector transmission module on computer is examined near infrared spectrum
The motion state for surveying device is controlled, the first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe
Respectively according to pre-set velocity and the spectral information of the tested reconstituted tobacco of direction of motion real-time detection, and send data message to meter
Calculation machine；
8. the master control system software on computer to gather near infrared spectrum data using default algorithm carry out treatment and
Analysis, calculates the coating homogeneity of tested reconstituted tobacco；
9. when the master control system on computer judges coating homogeneity less than default according to default coating homogeneity distinguished number
During threshold value, meeting feedback information simultaneously shows the region being unevenly coated on tested reconstituted tobacco, and control coating homogeneity intelligently to control
Device processed, by adjusting doses on coating fluid, the method for Based Intelligent Control applicator roll line pressure, adjusts coating homogeneity, so that real
Now to being tested the real-time online detection of reconstituted tobacco and controlling.
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Cited By (1)
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| IT202200005840A1 (en) * | 2022-04-07 | 2023-10-07 | Giuseppe Spanti | PROCEDURE FOR VERIFYING THE PRESENCE OF A UNIFORM LAYER OF GLUE ON CARDBOARD AND OTHER MATERIALS |
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| CN106343605A (en) * | 2016-09-09 | 2017-01-25 | 湖北中烟工业有限责任公司 | Method for improving uniformity of tobacco substrates regenerated through papermaking method |
| CN111781162A (en) * | 2020-07-14 | 2020-10-16 | 上海烟草集团有限责任公司 | Method, system, service device and readable storage medium for manufacturing tobacco sheets |
| CN111990680B (en) * | 2020-09-18 | 2022-12-02 | 湖北中烟工业有限责任公司 | Tobacco sheet dip coating method capable of controlling coating rate |
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