CN105661617A - Coating uniformity online detection system and method for paper-making reconstituted tobacco - Google Patents
Coating uniformity online detection system and method for paper-making reconstituted tobacco Download PDFInfo
- Publication number
- CN105661617A CN105661617A CN201610001618.9A CN201610001618A CN105661617A CN 105661617 A CN105661617 A CN 105661617A CN 201610001618 A CN201610001618 A CN 201610001618A CN 105661617 A CN105661617 A CN 105661617A
- Authority
- CN
- China
- Prior art keywords
- fibre
- optical probe
- reconstituted tobacco
- tested
- infrared spectrum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 163
- 241000208125 Nicotiana Species 0.000 title claims abstract description 149
- 238000001514 detection method Methods 0.000 title claims abstract description 122
- 238000000576 coating method Methods 0.000 title claims abstract description 111
- 239000011248 coating agent Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims description 55
- 230000033001 locomotion Effects 0.000 claims abstract description 117
- 238000002329 infrared spectrum Methods 0.000 claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000001228 spectrum Methods 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 133
- 230000001276 controlling effect Effects 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 244000061176 Nicotiana tabacum Species 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000003595 spectral effect Effects 0.000 claims description 10
- 230000010354 integration Effects 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000004611 spectroscopical analysis Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000013178 mathematical model Methods 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 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
- 239000000126 substance Substances 0.000 description 6
- 238000012937 correction Methods 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001035 drying Methods 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
- 235000019505 tobacco product Nutrition 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
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 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
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 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
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 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
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 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
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 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
Landscapes
- 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 coating uniformity online detection system for paper-making reconstituted tobacco. The detection system comprises a near-infrared spectrum detection device, a mechanical movement scanning device, a reconstituted tobacco transferring device, a coating uniformity intelligent control device and a computer. A detector moves in a staggered mode to acquire spectrum data of different positions of reconstituted tobacco, and online fast detection of coating uniformity is achieved by means of a data processing and analyzing algorithm. The coating uniformity online detection system for the paper-making reconstituted tobacco performs real-time online detection on coating uniformity of the reconstituted tobacco in the production process, detection speed is high, and detection precision is high. When a detection result does not accord with requirements of uniformity production, information is fed back, coating uniformity can be conveniently controlled, production quality of the paper-making reconstituted tobacco is guaranteed, and production efficiency is improved.
Description
Technical field
The present invention relates to a kind of papermaking-method reconstituted tobaccos coating homogeneity detection system, particularly relate to a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system adopting near-infrared spectral analysis technology and detection method.
Background technology
Reconstituted tobacco is by residual matter of Nicotiana tabacum L. such as the offal in Cigarette processing process, broken stalk, fragments, through technical finesse and reconfigure the lamellar being processed into or thread reconstituted tobacco product (being also reconstituted tobacoo). For reconstituted tobacco quality control during process, current production line moisture removal, temperature, slurry concentration and density index have outside On-line Control equipment, other quality control is in blank, major part is offline inspection, result is delayed, operation instruction is strong, such as weight per unit length, spreading rate, the on-line checking of stock quality and feedback. Nicotiana tabacum L. coating fluid is the main component of contribution reconstituted tobacco and sucking quality, almost carry whole Nicotiana tabacum L. materials and the aroma component of papermaking-method reconstituted tobaccos, the final chemical composition content of product, sucking quality and related physical property are all played most important effect, and spreading rate is an important Technology Con trolling index in production process, each batch of tobacco leaf product, diverse location test point spreading rate reacted the coating homogeneity of tested Nicotiana tabacum L.. The coating homogeneity of papermaking-method reconstituted tobaccos, refer to the coating liquid measure of each position being applied in painting process in chip base and the difference of component content thereof, production process is unevenly coated, the component distributing inequality of the reconstituted tobacco produced can be caused, namely affect product quality, also result in production waste. The high accuracy on-line checking of reconstituted tobacco uniformity in production process and coating fluid stability are controlled, to improving production efficiency and product yield is significant. In first technology, more detection modes discussing papermaking-method reconstituted tobaccos spreading rate, and lack and be specifically designed for reconstituted tobacco coating homogeneity and carry out the research of real-time online detection. Chinese invention patent 201310067327.6 discloses the assay method of a kind of papermaking-method reconstituted tobaccos spreading rate (with reference in first technology [1], Chinese invention patent, a kind of assay method of papermaking-method reconstituted tobaccos spreading rate, application number: 201310067327.6), adopt respectively to sample box and the operation such as tested tobacco leaf drying, cooling, immersion filtration, again drying, in the way of weighing, spreading rate is calculated. But the problem of this device is: complicated operation, off-line operation, it is impossible to meet the demand of on-line operation, and coating homogeneity is not analyzed. Chinese invention patent 201310681288.9 discloses a kind of papermaking-method reconstituted tobaccos coating weight detection mode (with reference in first technology [2], Chinese invention patent, a kind of method detecting papermaking-method reconstituted tobaccos coating weight, application number: 201310681288.9), utilize the nicotine content of papermaking-method reconstituted tobaccos, content of reducing sugar and moisture near infrared online detection Moisture Meter detection production process, calculate the coating weight of papermaking-method reconstituted tobaccos with this. But the problem of this device is: need the solid content after coating fluid is coated with in chip base to detect, complicated operation, it is impossible to realize the detection to coating homogeneity, and coating homogeneity cannot be realized real-time Based Intelligent Control.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency in first technology, provide a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system based near infrared spectrum Cleaning Principle and detection method, utilize this system detection papermaking-method reconstituted tobaccos coating homogeneity, there is the advantage that speed is fast, precision is high.
The technical solution of the present invention is as follows:
A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system, it is characterized in that: native system includes near-infrared spectrum detection device, mechanical movement scanning equipment, reconstituted tobacco transporter, coating homogeneity intelligent controlling device and computer; Reconstituted tobacco transporter is arranged at mechanical movement scanning equipment and the lower end part of near-infrared spectrum detection device 1; Coating homogeneity intelligent controlling device is arranged on and reproduces on leaf transporter, and is provided with doses and applicator roll line on adjustment coating fluid on this intelligent controlling device.
Described near-infrared spectrum detection device, the tested reconstituted tobacco entering detection zone is detected, detect tested reconstituted tobacco near infrared spectrum, exporting on described computer and detect data accordingly, this detection packet is containing the near infrared spectrum data of predetermined comparison range of wavelengths in tested reconstituted tobacco;
Described near-infrared spectrum detection device, comprises the first near infrared spectrum detection module being installed on above tested reconstituted tobacco paper and is installed on the second near infrared spectrum detection module below tested reconstituted tobacco paper;
The first described near infrared spectrum detection module, comprises near-infrared light source, high speed near infrared spectrometer, optical fiber, the first fibre-optical probe and the second fibre-optical probe;
The second described near infrared spectrum detection module, comprises near-infrared light source, high speed near infrared spectrometer, optical fiber, the 3rd fibre-optical probe and the 4th fibre-optical probe;
The first described near infrared spectrum detection module, is used for detecting tested reconstituted tobacco upper surface spectroscopic data;
The second described near infrared spectrum detection module, is used for detecting tested reconstituted tobacco lower surface spectroscopic data;
On the first described near infrared spectrum detection module identical with the specifications and characteristics parameter of fibre-optical probe with the near-infrared light source on the second described near infrared spectrum detection module, high speed near infrared spectrometer, optical fiber;
Preferably, the measurement scope 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 installed on described near-infrared spectrum detection device and the second near infrared spectrum detection module, all controlled by computer; When computer software sends instruction, by servo driver drives motor, it is achieved the first near infrared spectrum detection module and the second near infrared spectrum detection module make mechanical movement on predetermined movement track;
Described mechanical movement scanning equipment, comprises the first motion scanning module being installed on above tested reconstituted tobacco paper and is installed on the second motion scanning module below tested reconstituted tobacco paper; First motion scanning module is provided with motion guide rail, the second motion scanning module is provided with motion guide rail.
First near infrared spectrum detection module is arranged in the first motion scanning module, and the second near infrared spectrum detection module is arranged in the second motion scanning module.
Described mechanical movement scanning equipment 2, comprises the first motion scanning module being installed on above tested reconstituted tobacco paper and is installed on the second motion scanning module below tested reconstituted tobacco paper; First motion scanning module is provided with motion guide rail 201, the second motion scanning module is provided with motion guide rail 202.
First near infrared spectrum detection module is arranged in the first motion scanning module, and the second near infrared spectrum detection module is arranged in the second motion scanning module.
The first described 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 fibre-optical probes are equal to the distance on tested reconstituted tobacco surface; First motion scanning module controls the first fibre-optical probe and the second fibre-optical probe in same direction, does back and forth movement with the first identical pre-set velocity;
First fibre-optical probe and the second fibre-optical probe are in the motion guide rail distance transversely half equal to the width of tested Nicotiana tabacum L. paper;
First fibre-optical probe and the second fibre-optical probe are equal to the distance on tested reconstituted tobacco surface, are all 0.02 ~ 0.2m;
The 3rd described fibre-optical probe and the 4th fibre-optical probe are fixed on the transverse movement guide rail in the second motion scanning module, and two fibre-optical probes are equal to the distance on tested reconstituted tobacco surface; Second motion scanning module control the 3rd fibre-optical probe and the 4th fibre-optical probe in same direction, do back and forth movement with the second identical pre-set velocity;
3rd fibre-optical probe and the 4th fibre-optical probe are in the motion guide rail distance transversely half equal to the width of tested Nicotiana tabacum L. paper;
3rd fibre-optical probe and the 4th fibre-optical probe are equal to the distance on tested reconstituted tobacco surface, are all 0.02 ~ 0.2m;
Preferably, the first pre-set velocity controls is 0.01 ~ 0.2m/s;
Preferably, the second pre-set velocity controls is 0.01 ~ 0.2m/s;
First pre-set velocity is equal with the second pre-set velocity, and the selected of velocity magnitude is controlled by the master control system on computer;
Preferably, the direction of motion of the first fibre-optical probe and the second fibre-optical probe, and the direction of motion of the 3rd fibre-optical probe and the 4th fibre-optical probe is contrary at synchronization;
Preferably, the first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe motion scanning path on tested reconstituted tobacco paper are interlaced, in web form;
Described reconstituted tobacco transporter, is controlled by computer, for carrying out papermaking-method reconstituted tobaccos transmission on a production line;
Preferably, it is 0 ~ 5m/s that described reconstituted tobacco transporter transmits the speed of reconstituted tobacco;
Described coating homogeneity intelligent controlling device, it is possible to the testing result according to the feedback of the master control system on computer, regulates related process parameters in coating process, it is ensured that be coated with uniform and stable in real time;
Preferably, described coating homogeneity intelligent controlling device, the mode regulating coating homogeneity can be regulate the process such as doses, Based Intelligent Control applicator roll line pressure on coating fluid;
Described computer is mounted with master control system software, for detecting process control, receive the spectral detection data of output described in near-infrared spectrum detection device, detection data storage, adopt the data processing algorithm preset that the data gathered are processed, and by the mathematical model preset and the coating homogeneity evaluation algorithm of presetting, calculate coating homogeneity;
Preferably, partial least square method (PLS) is adopted to set up described mathematical model, by the related chemical constituents data association of near infrared spectrum information Yu tested reconstituted tobacco sample;
The described master control system on computer, feeds back to coating homogeneity intelligent controlling device in real time by testing result;
Master control system on described computer controls the parameter of detection process, it is possible to be the transfer rate etc. of the time of integration of high speed near infrared spectrometer, the movement velocity of mechanical movement scanning equipment, reconstituted tobacco transporter;
Master control system on described computer controls the parameter of described coating homogeneity intelligent controlling device, it is possible to be the information such as position of applicator roll line pressure, the flow of coating fluid, application point;
Described computer is with other all parts device connection procedures, and the mode of the reception of data and the transmission of control signal adopts wireless transmission method;
The described data processing algorithm preset can be that the mathematical algorithms such as first derivative process, multiplicative scatter correction, data smoothing, baseline correction, Orthogonal Signal Correction Analyze and wavelet transformation are (with reference in first technology [3], Song Haiyan, soil near infrared spectrum detection [M], Beijing: Chemical Industry Press, 2013.12);
A kind of papermaking-method reconstituted tobaccos coating homogeneity online test method, it is achieved step is as follows:
(1) detection system is fixed on the transporter support after the coated operation of reconstituted tobacco;
(2) first near infrared spectrum detection module carries out scanning detection coordinate demarcate, set up the mapping relations of scanning coordinate system and tested reconstituted tobacco cartesian coordinate system;
(3) position of light source, the first near infrared spectrum detection module, the second near infrared spectrum detection module, the first motion scanning module and the second motion scanning module is adjusted, first near infrared spectrum detection module it is arranged in the first motion scanning module and is positioned at above tested reconstituted tobacco, the second near infrared spectrum detection module be arranged in the second motion scanning module and be positioned at below tested reconstituted tobacco;
(4) 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 fibre-optical probe and the second fibre-optical probe distance transversely half equal to the width of tested Nicotiana tabacum L. paper is adjusted; 3rd fibre-optical probe and the 4th fibre-optical probe distance transversely are equal to the half of the width of tested Nicotiana tabacum L. paper;
(5) by the master control system on computer, the time of integration of setting high-speed near infrared spectrometer and the movement velocity of mechanical movement scanning equipment;
(6) start the coating homogeneity on-line measuring device of the present invention, gather the spectral information of the spectrum under near infrared spectrometer dark condition and sample for reference;
(7) reconstituted tobacco production line is opened, master control system on computer controls detector transmission module and the kinestate of near-infrared spectrum detection device is controlled, first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe detect the spectral information of tested reconstituted tobacco respectively in real time according to pre-set velocity and the direction of motion, and send data message to computer;
(8) near infrared spectrum data to gathering of the master control system software on computer adopts the algorithm preset to process and analyze, and calculates the coating homogeneity of tested reconstituted tobacco;
(9) when the master control system on computer judges coating homogeneity lower than predetermined threshold value according to default coating homogeneity distinguished number, meeting feedback information also shows the region being unevenly coated on tested reconstituted tobacco, and control coating homogeneity intelligent controlling device, by regulating the process such as doses, Based Intelligent Control applicator roll line pressure on coating fluid, regulate coating homogeneity, thus realizing the real-time online detection of the coating homogeneity to tested reconstituted tobacco and controlling.
With compared with first technology, present invention have the advantage that
1, the present invention adopts high speed near infrared spectrum on-line checking mode to adopt preset algorithm to process spectroscopic data, analyzes tested reconstituted tobacco coating homogeneity, and speed is fast, precision is high in detection;
2, the coating homogeneity on-line detecting system of the present invention is in conjunction with mechanical scanning device, realize the reconstituted tobacco coating homogeneity in production process is detected in real time, the meeting feedback information when testing result does not meet uniformity production requirement, it is simple to adjust control in time.
The present invention also has a characteristic that
1, two groups of fibre-optical probes detect the spectroscopic data above and below tested reconstituted tobacco respectively, and accuracy in detection is higher;
2, four fibre-optical probes motion scanning path on reconstituted tobacco paper is cross network, and sample rate is fast, and sampling density is high, and loss is low.
Accompanying drawing explanation
Fig. 1 is the reconstituted tobacco coating homogeneity on-line detecting system schematic diagram of the present invention;
Fig. 2 is detector motion scanning path schematic diagram;
Fig. 3 is detector drive mechanism schematic diagram;
Fig. 4 is the reconstituted tobacco coating homogeneity on-line detecting system theory diagram of the present invention;
1, infrared spectrum detecting device; 2, mechanical movement scanning equipment; 3, reconstituted tobacco; 4, applicator roll line; 5, conveyer belt; 6, intelligent controlling device; 7, reconstituted tobacco transporter; 8, doses on coating fluid is regulated; 9, computer; 101, the first fibre-optical probe; 102, the second fibre-optical probe; 103, the 3rd fibre-optical probe; 104, the 4th fibre-optical probe; 201, motion guide rail, 202, motion guide rail.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described. Following example are only for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
The specific embodiment of the invention is as follows:
Fig. 1 is the reconstituted tobacco coating homogeneity on-line detecting system schematic diagram of the present invention, as seen from the figure, this system structure includes: this device includes near-infrared spectrum detection device 1, mechanical movement scanning equipment 2, reconstituted tobacco transporter 7, coating homogeneity intelligent controlling device 6 and computer 9;
Described near-infrared spectrum detection device 1, tested reconstituted tobacco 3 after the coating of entrance detection zone is detected, detect tested reconstituted tobacco near infrared spectrum, exporting to described computer 9 and detect data accordingly, this detection packet is containing the near infrared spectrum data of predetermined comparison range of wavelengths in tested reconstituted tobacco 3;
Described near-infrared spectrum detection device 1, comprises the first near infrared spectrum detection module being installed on above tested reconstituted tobacco 3 and is installed on below tested reconstituted tobacco paper and the second near infrared spectrum detection module;
The first described near infrared spectrum detection module, comprises near-infrared light source, high speed near infrared spectrometer, optical fiber, the first fibre-optical probe 101 and the second fibre-optical probe 102;
The second described near infrared spectrum detection module, comprises near-infrared light source, high speed near infrared spectrometer, optical fiber, the 3rd fibre-optical probe 103 and the 4th fibre-optical probe 104;
The first described near infrared spectrum detection module 201, is used for detecting tested reconstituted tobacco upper surface spectroscopic data;
The second described near infrared spectrum detection module, is used for detecting tested reconstituted tobacco lower surface spectroscopic data;
On the first described near infrared spectrum detection module identical with the specifications and characteristics parameter of fibre-optical probe with the near-infrared light source on the second described near infrared spectrum detection module, high speed near infrared spectrometer, optical fiber;
Preferably, the measurement scope 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 installed on described near-infrared spectrum detection device 1 and the second near infrared spectrum detection module, all controlled by computer 9; When computer 9 software sends instruction, by servo driver drives motor, it is achieved the first near infrared spectrum detection module and the second near infrared spectrum detection module make mechanical movement on predetermined movement track;
Described mechanical movement scanning equipment 2, comprises the first motion scanning module being installed on above tested reconstituted tobacco paper and is installed on the second motion scanning module below tested reconstituted tobacco paper; First motion scanning module is provided with motion guide rail 201, the second motion scanning module is provided with motion guide rail 202.
First near infrared spectrum detection module is arranged in the first motion scanning module, and the second near infrared spectrum detection module is arranged in the second motion scanning module.
In current papermaking-method reconstituted tobaccos quality control during process field, the stability of coating homogeneity and coating fluid controls reconstituted tobacco product quality is played an important role, and the detection of spreading rate and coating homogeneity is proposed significantly high requirement; Therefore, on production line reconstituted tobacco transfer rate be 1m/s, width be 1m reconstituted tobacco paper be tested reconstituted tobacco, adopt the present invention reconstituted tobacco coating homogeneity on-line detecting system detect;
As shown in Figure 2, the first described fibre-optical probe 101 and the second fibre-optical probe 102 are fixed on the transverse movement guide rail 201 in the first motion scanning module in mechanical movement scanning equipment 2, two fibre-optical probes are equal to the distance on tested reconstituted tobacco 3 surface, are all 0.2m; First motion scanning module controls the first fibre-optical probe 101 with the second fibre-optical probe 102 in same direction, do back and forth movement with the speed of identical 0.1m/s; First fibre-optical probe 101 and the second fibre-optical probe 102 in motion guide rail 201 distance transversely 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 the transverse movement guide rail 202 in the second motion scanning module in mechanical movement scanning equipment 2, two fibre-optical probes are equal to the height on tested reconstituted tobacco 3 surface, are all 0.2m; Second motion scanning module control the 3rd fibre-optical probe 103 with the 4th fibre-optical probe 104 in same direction, do back and forth movement with the speed of identical 0.1m/s; 3rd fibre-optical probe 103 and the 4th fibre-optical probe 104 in motion guide rail 202 distance transversely equal to 0.5m;
As shown in Figure 3, first fibre-optical probe the 101, second fibre-optical probe the 102, the 3rd fibre-optical probe 103 and the 4th fibre-optical probe 104 motion scanning path on tested reconstituted tobacco paper 3 are respectively such as the trajectory of Fig. 3, each movement locus is interlaced, in intersecting web form;
Described reconstituted tobacco transporter 7 electrically connects with computer and is subject to computer 9 to control, for carrying out papermaking-method reconstituted tobaccos transmission on a production line, this reconstituted tobacco transporter is arranged at mechanical movement scanning equipment 2 and the lower end part of near-infrared spectrum detection device 1.
Described coating homogeneity intelligent controlling device 6 is arranged on and reproduces on leaf transporter, and is provided with doses 8 and applicator roll line 4 on adjustment coating fluid on this intelligent controlling device 6; The testing result can fed back according to the master control system on computer 9, regulates related process parameters in coating process, it is ensured that be coated with uniform and stable in real time; Described coating homogeneity intelligent controlling device 6, the mode regulating coating homogeneity can be regulate the process such as doses 8, Based Intelligent Control applicator roll line 4 pressure on coating fluid;
Described computer 9 is mounted with master control system software, for detecting process control, receive the spectral detection data of output described in near-infrared spectrum detection device, detection data storage, adopt the data processing algorithm preset that the data gathered are processed, and by the mathematical model preset and the coating homogeneity evaluation algorithm of presetting, calculate coating homogeneity;
The described master control system on computer 9, feeds back to coating homogeneity intelligent controlling device 6 in real time by testing result;
Master control system on described computer 9 controls the parameter of detection process, can being the transfer rate etc. of the time of integration of high speed near infrared spectrometer, the movement velocity of mechanical movement scanning equipment 2, reconstituted tobacco transporter 7, in the present embodiment, the time of integration of setting high-speed near infrared spectrum be 200ms;
Master control system on described computer 9 controls the parameter of described coating homogeneity intelligent controlling device 6, it is possible to be the information such as position of applicator roll line 4 pressure, the flow of coating fluid, application point;
Described computer 9 is with other all parts device connection procedures, and the mode of the reception of data and the transmission of control signal adopts wireless transmission method;
When near-infrared light source invests tested reconstituted tobacco, will in its surface and internal generation diffuse-reflectance, owing to the composition of different samples is different, near infrared absorption is also different, after first derivative pretreatment, by chemical composition datas such as near-infrared spectral reflectance and the total sugar of tested reconstituted tobacco sample, reducing sugar, chlorine, total nitrogens, set up model with partial least square method (PLS); According to this quantitative model, computer 9 can calculate the corresponding chemical composition content of tested reconstituted tobacco, and then obtain the coating homogeneity data of tested reconstituted tobacco according to chemical composition content;
A kind of papermaking-method reconstituted tobaccos coating homogeneity online test method, it is achieved step is as follows:
(1) detection system is fixed on the transporter support after the coated operation of reconstituted tobacco;
(2) first near infrared spectrum detection module carries out scanning detection coordinate demarcate, set up the mapping relations of scanning coordinate system and tested reconstituted tobacco 3 cartesian coordinate system;
(3) position of light source, the first near infrared spectrum detection module, the second near infrared spectrum detection module, the first motion scanning module and the second motion scanning module is adjusted, first near infrared spectrum detection module it is arranged in the first motion scanning module and is positioned at above tested reconstituted tobacco 3, the second near infrared spectrum detection module be arranged in the second motion scanning module and be positioned at below tested reconstituted tobacco 3;
(4) adjusting the position of first fibre-optical probe the 101, second fibre-optical probe the 102, the 3rd fibre-optical probe 103 and the 4th fibre-optical probe 104, the first fibre-optical probe 101 and the second fibre-optical probe 102 distance transversely are equal to the half of the width of tested Nicotiana tabacum L. paper 3; 3rd fibre-optical probe 103 and the 4th fibre-optical probe 104 distance transversely are equal to the half of the width of tested Nicotiana tabacum L. paper 3;
(5) by the master control system on computer 9, the time of integration of setting high-speed near infrared spectrometer and the movement velocity of mechanical movement scanning equipment;
(6) start the coating homogeneity on-line measuring device of the present invention, gather the spectral information of the spectrum under near infrared spectrometer dark condition and sample for reference;
(7) reconstituted tobacco production line is opened, master control system on computer 9 controls detector transmission module and the kinestate of near-infrared spectrum detection device is controlled, first fibre-optical probe the 101, second fibre-optical probe the 102, the 3rd fibre-optical probe 103 and the 4th fibre-optical probe 104 detect the spectral information of tested reconstituted tobacco respectively in real time according to pre-set velocity and the direction of motion, and data message sends to computer 9;
(8) near infrared spectrum data to gathering of the master control system software on computer 9 adopts the algorithm preset to process and analyze, and calculates the coating homogeneity of tested reconstituted tobacco;
(9) when the master control system on computer 9 judges coating homogeneity lower than predetermined threshold value according to default coating homogeneity distinguished number, meeting feedback information also shows the region being unevenly coated on tested reconstituted tobacco, and control coating homogeneity intelligent controlling device 6, by regulating the process such as doses, Based Intelligent Control applicator roll line 4 pressure on coating fluid 8, regulate coating homogeneity, thus realizing the real-time online detection of the coating homogeneity to tested reconstituted tobacco 3 and controlling.
As shown in Figure 4 be the reconstituted tobacco coating homogeneity on-line detecting system theory diagram of the present invention, tested reconstituted tobacco is detected by near infrared spectrum detector in real time, and by the master control system software in incoming for data computer, coherent detection data are carried out quickly processing and calculating according to the mathematical model set up the coating homogeneity of tested reconstituted tobacco by software, and show in real time; When computer analyze that coating homogeneity is less according to preset algorithm or coating fluid stability lower than predetermined threshold time, system feedback information on the one hand is so that workman is adjusted controlling in time, can also pass through to control the concentration of coating fluid simultaneously, or on adjustment coating fluid, coating fluid stability is carried out Based Intelligent Control by the process such as doses, Based Intelligent Control applicator roll line pressure.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system, it is characterised in that native system includes: near-infrared spectrum detection device, mechanical movement scanning equipment, reconstituted tobacco transporter, coating homogeneity intelligent controlling device and computer; Reconstituted tobacco transporter is arranged at the lower end part of mechanical movement scanning equipment and near-infrared spectrum detection device; Coating homogeneity intelligent controlling device is arranged on and reproduces on leaf transporter, and is provided with doses and applicator roll line on adjustment coating fluid on this intelligent controlling device; Mechanical movement scanning equipment, comprises the first motion scanning module being installed on above tested reconstituted tobacco paper and is installed on the second motion scanning module below tested reconstituted tobacco paper; First motion scanning module is provided with motion guide rail, the second motion scanning module 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 characterized in that: near-infrared spectrum detection device, including the first near infrared spectrum detection module being installed on above tested reconstituted tobacco paper and be installed on the second near infrared spectrum detection module below tested reconstituted tobacco paper; The first described near infrared spectrum detection module, comprises near-infrared light source, high speed near infrared spectrometer, optical fiber, the first fibre-optical probe and the second fibre-optical probe; The second described near infrared spectrum detection module, comprises near-infrared light source, high speed near infrared spectrometer, optical fiber, the 3rd fibre-optical probe and the 4th fibre-optical probe; First near infrared spectrum detection module, is used for detecting tested reconstituted tobacco upper surface spectroscopic data; Second near infrared spectrum detection module, is used for detecting tested reconstituted tobacco lower surface spectroscopic data; First near infrared spectrum detection module is arranged in the first motion scanning module, and 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 entering detection zone is detected, detect tested reconstituted tobacco near infrared spectrum, exporting to the master control system on described computer and detect data accordingly, this detection packet is containing the near infrared spectrum data of predetermined comparison range of wavelengths in tested reconstituted tobacco.
3. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 2, it is characterized in that: the 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 fibre-optical probes are equal to the distance on tested reconstituted tobacco surface; First motion scanning module controls the first fibre-optical probe and the second fibre-optical probe in same direction, does back and forth movement with the first identical pre-set velocity; 3rd fibre-optical probe and the 4th fibre-optical probe are fixed on the transverse movement guide rail in the second motion scanning module, and two fibre-optical probes are equal to the distance on tested reconstituted tobacco surface; Second motion scanning module control the 3rd fibre-optical probe and the 4th fibre-optical probe in same direction, do back and forth movement with the second identical pre-set velocity;
The direction of motion of the first fibre-optical probe and the second fibre-optical probe, and the direction of motion of the 3rd fibre-optical probe and the 4th fibre-optical probe is contrary at synchronization; First fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe motion scanning path on tested reconstituted tobacco paper are 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 first fibre-optical probe and the second fibre-optical probe are in the motion guide rail distance transversely half equal to the width of tested Nicotiana tabacum L. paper; First fibre-optical probe and the second fibre-optical probe are equal to the distance on tested reconstituted tobacco surface, are all 0.02 ~ 0.2m.
5. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-Line Monitor Device according to claim 3, it is characterised in that the 3rd fibre-optical probe and the 4th fibre-optical probe are in the motion guide rail distance transversely half equal to the width of tested Nicotiana tabacum L. paper; 3rd fibre-optical probe and the 4th fibre-optical probe are equal to the distance on tested reconstituted tobacco surface, are 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 transporter, is controlled by computer, for carrying out papermaking-method reconstituted tobaccos transmission on a production line; It is 0 ~ 5m/s that reconstituted tobacco transporter transmits the speed of reconstituted tobacco.
7. a kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system according to claim 1, it is characterized in that, described computer is mounted with master control system software, for detecting process control, receive the spectral detection data of output described in near-infrared spectrum detection device, detection data storage, adopt the data processing algorithm preset that the data gathered are processed, and by the mathematical model preset and the coating homogeneity evaluation algorithm of presetting, calculate coating homogeneity; The described master control system on computer, feeds back to coating homogeneity intelligent controlling device in real time by testing result.
8. a papermaking-method reconstituted tobaccos coating homogeneity online test method, it is characterised in that comprise the steps of:
Detection system is fixed on the transporter support after the coated operation of reconstituted tobacco;
First near infrared spectrum detection module carries out scanning detection coordinate demarcate, set up the mapping relations of scanning coordinate system and tested reconstituted tobacco cartesian coordinate system;
Adjust the position of light source, the first near infrared spectrum detection module, the second near infrared spectrum detection module, the first motion scanning module and the second motion scanning module, first near infrared spectrum detection module it is arranged in the first motion scanning module and is positioned at above tested reconstituted tobacco, the second near infrared spectrum detection module be arranged in the second motion scanning module and be positioned at below tested reconstituted tobacco;
Adjust 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 fibre-optical probe and the second fibre-optical probe distance transversely half equal to the width of tested Nicotiana tabacum L. paper; 3rd fibre-optical probe and the 4th fibre-optical probe distance transversely are equal to the half of the width of tested Nicotiana tabacum L. paper;
By the master control system on computer, the time of integration of setting high-speed near infrared spectrometer and the movement velocity of mechanical movement scanning equipment;
Start the coating homogeneity on-line measuring device of the present invention, gather the spectral information of the spectrum under near infrared spectrometer dark condition and sample for reference;
Open reconstituted tobacco production line, master control system on computer controls detector transmission module and the kinestate of near-infrared spectrum detection device is controlled, first fibre-optical probe, the second fibre-optical probe, the 3rd fibre-optical probe and the 4th fibre-optical probe detect the spectral information of tested reconstituted tobacco respectively in real time according to pre-set velocity and the direction of motion, and send data message to computer;
The master control system software on the computer near infrared spectrum data to gathering adopts the algorithm preset to process and analyze, and calculates the coating homogeneity of tested reconstituted tobacco;
When the master control system on computer judges coating homogeneity lower than predetermined threshold value according to default coating homogeneity distinguished number, meeting feedback information also shows the region being unevenly coated on tested reconstituted tobacco, and control coating homogeneity intelligent controlling device, by regulating the process such as doses, Based Intelligent Control applicator roll line pressure on coating fluid, regulate coating homogeneity, thus realizing the real-time online detection of the coating homogeneity to tested reconstituted tobacco and controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001618.9A CN105661617B (en) | 2016-01-05 | 2016-01-05 | A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001618.9A CN105661617B (en) | 2016-01-05 | 2016-01-05 | A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105661617A true CN105661617A (en) | 2016-06-15 |
| CN105661617B CN105661617B (en) | 2017-06-16 |
Family
ID=56190334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610001618.9A Active CN105661617B (en) | 2016-01-05 | 2016-01-05 | A kind of papermaking-method reconstituted tobaccos coating homogeneity on-line detecting system and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105661617B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842191A (en) * | 2016-06-16 | 2016-08-10 | 泉州装备制造研究所 | On-line spreading rate and uniformity detecting device and method for reconstituted tobacco |
| 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 |
| CN111990680A (en) * | 2020-09-18 | 2020-11-27 | 湖北中烟工业有限责任公司 | Tobacco sheet dip coating method capable of controlling coating rate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750024A (en) * | 2009-12-15 | 2010-06-23 | 山西太钢不锈钢股份有限公司 | Near infrared spectrum detection method for insulation coating layer thickness of silicon steel |
| CN202061774U (en) * | 2011-04-22 | 2011-12-07 | 常州华威反光材料有限公司 | Online thickness detection coating device for reflective film |
| CN102506731A (en) * | 2011-11-21 | 2012-06-20 | 云南瑞升烟草技术（集团）有限公司 | Method for detecting reconstituted tobacco thickness in papermaking process by utilizing near infrared spectrums |
| CN103090802A (en) * | 2013-02-02 | 2013-05-08 | 中国农业科学院烟草研究所 | Method for detecting thickness of tobacco leaf |
| US20130268239A1 (en) * | 2011-03-22 | 2013-10-10 | Japan Tobacco Inc. | Filling-capacity measuring method |
| CN203439650U (en) * | 2013-08-05 | 2014-02-19 | 贵州烟叶复烤有限责任公司铜仁复烤厂 | Automatic finished lamina tobacco monitoring system |
| CN104330385A (en) * | 2014-11-14 | 2015-02-04 | 山东中烟工业有限责任公司 | Device and method for detecting cut tobacco blending uniformity online |
| CN104390976A (en) * | 2014-11-12 | 2015-03-04 | 河北铠朗新型材料科技有限公司 | Online film coating monitoring system |
| CN204769423U (en) * | 2015-06-17 | 2015-11-18 | 南通和和塑胶新材料有限公司 | Coating machine with on -line measuring device |
-
2016
- 2016-01-05 CN CN201610001618.9A patent/CN105661617B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750024A (en) * | 2009-12-15 | 2010-06-23 | 山西太钢不锈钢股份有限公司 | Near infrared spectrum detection method for insulation coating layer thickness of silicon steel |
| US20130268239A1 (en) * | 2011-03-22 | 2013-10-10 | Japan Tobacco Inc. | Filling-capacity measuring method |
| CN202061774U (en) * | 2011-04-22 | 2011-12-07 | 常州华威反光材料有限公司 | Online thickness detection coating device for reflective film |
| CN102506731A (en) * | 2011-11-21 | 2012-06-20 | 云南瑞升烟草技术（集团）有限公司 | Method for detecting reconstituted tobacco thickness in papermaking process by utilizing near infrared spectrums |
| CN103090802A (en) * | 2013-02-02 | 2013-05-08 | 中国农业科学院烟草研究所 | Method for detecting thickness of tobacco leaf |
| CN203439650U (en) * | 2013-08-05 | 2014-02-19 | 贵州烟叶复烤有限责任公司铜仁复烤厂 | Automatic finished lamina tobacco monitoring system |
| CN104390976A (en) * | 2014-11-12 | 2015-03-04 | 河北铠朗新型材料科技有限公司 | Online film coating monitoring system |
| CN104330385A (en) * | 2014-11-14 | 2015-02-04 | 山东中烟工业有限责任公司 | Device and method for detecting cut tobacco blending uniformity online |
| CN204769423U (en) * | 2015-06-17 | 2015-11-18 | 南通和和塑胶新材料有限公司 | Coating machine with on -line measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 禇小立: "《化学计量学方法与分子光谱分析技术》", 31 July 2011 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842191A (en) * | 2016-06-16 | 2016-08-10 | 泉州装备制造研究所 | On-line spreading rate and uniformity detecting device and method for reconstituted tobacco |
| 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 |
| CN111990680A (en) * | 2020-09-18 | 2020-11-27 | 湖北中烟工业有限责任公司 | Tobacco sheet dip coating method capable of controlling coating rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105661617B (en) | 2017-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105661617A (en) | Coating uniformity online detection system and method for paper-making reconstituted tobacco | |
| CN105842191A (en) | On-line spreading rate and uniformity detecting device and method for reconstituted tobacco | |
| US4971077A (en) | On-line tobacco evaluation system and method | |
| CN105675432B (en) | Papermaking-method reconstituted tobaccos spreading rate on-line checking, control method and control system | |
| JPS63192371A (en) | Method and apparatus for producing fibrous continuous body in tobacco processing industry | |
| EP1960759A1 (en) | Combined paper sheet temperature and moisture sensor | |
| CN109540838B (en) | Method for rapidly detecting acidity in fermented milk | |
| CN102661935A (en) | LIBS (Laser-induced Breakdown Spectroscopy) belt type powdery material detector | |
| CN205456000U (en) | Papermaking method reconstituted tobacco coating homogeneity on -line measuring system | |
| JP5191272B2 (en) | Acetate tow quality measuring method, crimp level control method and control apparatus thereof | |
| CN105181644A (en) | Online monitoring system and method for cigarette paper | |
| CN106053383A (en) | Near-infrared online detection method for tobacco processing process | |
| CN115581311A (en) | Detection method and automatic regulation and control method for cut tobacco returning quantity of cigarette making machine and corresponding system | |
| CN108318442B (en) | Detection method suitable for traditional Chinese medicine suspension system | |
| CN105029672B (en) | Precise characterization method for water at outlet of baked cut tobacco | |
| CN100517140C (en) | Dynamic light on-line particle size measuring and controlling system | |
| CN105628646B (en) | A kind of online tar prediction of cigarette and method for early warning | |
| CN202661379U (en) | Laser-induced breakdown spectroscopy (LIBS) powdery material belt type detection device | |
| CN111879726A (en) | Tobacco hot processing strength and volatility online monitoring method based on synchronous near-infrared analysis before and after processing | |
| CN102393378A (en) | Method for rapidly detecting alcoholysis degree and polymerization degree in production of polyvinyl alcohol by utilizing near infrared spectrum technology | |
| CN110302714B (en) | System for automatically grading and blending protein content of protein powder | |
| CN114578778A (en) | Vision-based intelligent control system and method for technological parameters | |
| CN113092409A (en) | Tobacco online near infrared spectrum detection device and method based on linear optical filter | |
| CN115219372A (en) | Method for predicting moisture content of cut tobacco based on rapid moisture absorption characteristic curve | |
| CN111257508A (en) | Method for quantitatively detecting spraying amount of plasticizer in real time in online production process of filter stick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |