CN102631017A - Cut-tobacco drier based on independent tobacco cutting characteristics of papermaking method reconstituted tobacco and cut-tobacco drying control method thereof - Google Patents
Cut-tobacco drier based on independent tobacco cutting characteristics of papermaking method reconstituted tobacco and cut-tobacco drying control method thereof Download PDFInfo
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Abstract
The invention relates to the related technical field of tobacco production, and in particular relates to a cut-tobacco drier based on the independent tobacco cutting characteristics of papermaking method reconstituted tobacco and a cut-tobacco drying control method thereof. The cut-tobacco drier comprises a barrel, a moisture discharge rotary net, a cut-tobacco drying heating air system, a humidifying air system and a control system. Through the control method provided by the invention, the traditional cut-tobacco drier is completely suitable for the papermaking method reconstituted tobacco after independent tobacco cutting, the control aim of 12-13% of moisture content at exit is achieved, and the independent tobacco cutting quality and the effective utilization rate of the papermaking method reconstituted tobacco can be effectively improved. The low-intensity processing mode can effectively maintain the physical characteristics and chemical characteristics of the papermaking method reconstituted tobacco after independent tobacco cutting, the sensory characteristic is effectively enhanced, and relatively high friability and relatively low doubling rate are realized; and thus the reconstituted tobacco can be blended with other natural tobacco, and a firm guarantee is provided for the grouping processing of tobacco primary process and flexible processing production new mode.
Description
Technical field
The present invention relates to the correlative technology field that tobacco produces, be specifically related to a kind of cut-tobacco drier and baking silk control method thereof that becomes a characteristic based on papermaking-method reconstituted tobaccos separately.
Background technology
Papermaking-method reconstituted tobaccos involved in the present invention is one of primary raw material of cigarette, and it has following characteristics: 1. can effectively improve the raw tobacco material comprehensive utilization ratio; 2. can respond fast to the personalization of cigarette industry enterprise, customization and demand such as functional; 3. help cigarette product reducing tar and reducing harm etc.Simultaneously, along with State Bureau in recent years carries forward vigorously the reconstituted tobacco autonomous innovation, reconstituted tobacco output constantly increases, and ratio shared in composition of raw materials is also in continuous increase.Existing filament forming process for paper making method-based reconstituted tobacco generally is according to process requirements, and papermaking-method reconstituted tobaccos and natural tobacco leaf are mixed, and processes pipe tobacco through series of processes such as moisture regain, reinforced, chopping, dryings again.
Above-mentioned hybrid process method, key equipment that is adopted such as chopping equipment, moisture regain equipment, drying equipment are all identical with the equipment that natural tobacco leaf processing is adopted.But; Because papermaking-method reconstituted tobaccos and natural tobacco leaf (physical characteristic, chemical characteristic, organoleptic attribute) in itself have very big different; Above-mentioned hybrid process mode generally has following shortcoming: 1. will pass through high-intensity humidification and dry processing technology because of reconstituted tobacco; Be prone to make broken in the process, produce airborne dust, influence the healthy of production environment and worker at the production line; 2. reconstituted tobacco produces in process and makes brokenly, and the prescription precision can not get ensureing, causes adverse effect to pipe tobacco prescription, cigarette quality.3. in high-intensity process, the flavor component of reconstituted tobacco scatters and disappears bigger, and using character descends.Based on a kind of like this present situation; In order to overcome the defective that reconstituted tobacco and tobacco leaf mixing throwing are brought; Simultaneously also in order to adapt to the technological requirement of present throwing grouping Processing, flexible processing, the processing mode that a kind of papermaking-method reconstituted tobaccos becomes silk separately tobacco business at home grows up gradually.After papermaking-method reconstituted tobaccos becomes silk separately; According to its characteristic; If continue to adopt traditional cut-tobacco drier control technology and method (the control block diagram is as shown in Figure 1) it is carried out high-intensity drying; Must make dried pipe tobacco lose its most physical characteristic and organoleptic attribute (and irreversible), moisture content declines to a great extent (dropping to 9-10% from 13-15%), thereby can not satisfy the demand of cigarette raw material fully.Can reach a conclusion, that is, the control technology and the method for traditional cut-tobacco drier is not suitable for papermaking-method reconstituted tobaccos and becomes silk drying process afterwards separately.
Chinese patent " a kind of thread baking thread process control method " (CN101254020A) discloses a kind of thread baking thread process control method, it is characterized in that: whole baking silk process is divided into head, middle part, afterbody three phases.Can overcome that non-linear and large time delay are to the influence of baking silk moisture content of outlet in the former drying process control procedure, antijamming capability is strong, makes the control of baking silk moisture content of outlet reach higher precision.
Chinese patent " variable parameter control method of cylinder baking silk process " (CN102331712A) discloses the variable parameter control method that a kind of cylinder dries by the fire silk, and it is characterized in that: the variable parameter PID control method of being with the dead band is adopted in the control of outlet moisture content.Can effectively solve in the baking silk process non-linear and big afterwards to exporting the influence of moisture content, enhanced system antijamming capability, raising pipe tobacco outlet moisture content control accuracy.
More than two Chinese patents; The control method of a kind of cut-tobacco drier has separately all been proposed; All can realize the control target of its pipe tobacco outlet moisture content through its distinctive control method; But, not enough below all existing: as 1. to be a kind of cut-tobacco drier control method that perhaps contains the prescription tobacco leaf of papermaking-method reconstituted tobaccos to natural tobacco leaf; 2. be not consider the influence that physical characteristic, chemical characteristic, organoleptic attribute caused of the high strength processing of cut-tobacco drier control method traditional on this macroscopic view to the papermaking-method reconstituted tobaccos of independent chopping; 3. be not propose a kind of baking silk control method that papermaking-method reconstituted tobaccos becomes a characteristic separately that is specially adapted for.
Chinese patent " filament forming process for paper making method-based reconstituted tobacco and equipment thereof " (CN101828762A) discloses a kind of filament forming process for paper making method-based reconstituted tobacco and equipment thereof, to papermaking-method reconstituted tobaccos manufacturing and the existing deficiency of production application technology and a kind of new filament forming process for paper making method-based reconstituted tobacco and the equipment thereof that provide.Mentioned technology and equipment thereof can solve the problem that papermaking-method reconstituted tobaccos is difficult to become separately silk.
Chinese patent " a kind of independent technology for making tobacco threds and equipment based on the papermaking-method reconstituted tobaccos processing characteristics " (CN102178337A) discloses a kind of independent technology for making tobacco threds and equipment based on the papermaking-method reconstituted tobaccos processing characteristics; Popularity to the papermaking-method reconstituted tobaccos supplied materials provides a kind of new reconstituted tobacco technology for making tobacco threds and equipment with its processing characteristics; The technology of this invention and equipment can be adorned reconstituted tobacco to case and carry out independent throwing to its processing characteristics; Can improve the effective rate of utilization of reconstituted tobacco, help mixing and join with other pipe tobaccos.
More than two Chinese patents, all mentioned related drying process in the independent throwing process of papermaking-method reconstituted tobaccos, but all exists below the deficiency: a conception of species of 1. only having mentioned the drying process in the independent throwing process of papermaking-method reconstituted tobaccos; 2. do not relate to a kind of special to the required a kind of special cut-tobacco drier control method of the independent Cheng Sihou drying process of papermaking-method reconstituted tobaccos.
Summary of the invention
In order to solve above-mentioned technical problem, an object of the present invention is to provide and a kind ofly become the cut-tobacco drier of a characteristic, cut-tobacco drier of the present invention can effectively improve quality and effective rate of utilization that papermaking-method reconstituted tobaccos becomes silk separately separately based on papermaking-method reconstituted tobaccos.Another object of the present invention provides the baking silk method that adopts above-mentioned cut-tobacco drier.
In order to realize first above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind of cut-tobacco drier that becomes a characteristic based on papermaking-method reconstituted tobaccos separately; This cut-tobacco drier comprises that net is changeed in cylindrical shell, humidity discharging, the baking silk adds hot-air system, humidification wind system and control system; The front end of cylindrical shell is provided with air inlet, and the rear end that net is arranged on cylindrical shell is changeed in humidity discharging, and the humidity discharging commentaries on classics is provided with the humidity discharging airduct on the net; Described baking silk adds hot-air system and comprises heat exchanger, air-heater and airduct; Airduct is collected the hot blast through heat-exchanger surface, and described air-heater is arranged on the airduct, and airduct is connected to cylindrical shell; Described humidification wind system comprises vapour source, and vapour source is connected to cut-tobacco drier hot blast air main through first jet chimney is set, for hot blast provides auxiliary humidification; Described control system comprises control module, hot blast temperature sensor, air velocity transducer, infrared moisture meter, B/P EGR Back Pressure Transducer EGR and humidity discharging electropneumatic valve positioner, and hot blast temperature sensor, air velocity transducer, infrared moisture meter, B/P EGR Back Pressure Transducer EGR and humidity discharging electropneumatic valve positioner all are electrically connected with control module; Described hot blast temperature sensor and air velocity transducer are arranged on the cut-tobacco drier hot blast air main of the first jet chimney rear end; Hot blast temperature sensor hot blast temperature measured value is incorporated into control module, adopts the mode of PID control to carry out feedback compensation to realize the automatic control to the cylindrical shell hot blast temperature; Described infrared moisture meter is arranged on the discharging opening of cylindrical shell; The actual moisture content of pipe tobacco of infrared moisture meter feedback; Control module calculates offsets the needed hot blast air quantity of moisture content deviation; And providing the controlling value of output valve as blower fan, the value of feedback of described air velocity transducer is regulated the hot blast air quantity that gets into cylindrical shell automatically, makes the speed of thermal convection current in the cylindrical shell take place correspondingly to change; Described B/P EGR Back Pressure Transducer EGR is arranged on the humidity discharging airduct; And on the humidity discharging airduct of B/P EGR Back Pressure Transducer EGR rear end, the humidity discharging electropneumatic valve positioner is set; Humidity discharging electropneumatic valve positioner and control module are electrically connected; Under the situation that the hot blast air quantity changes in getting into cylindrical shell,, control the aperture of humidity discharging electropneumatic valve positioner automatically through the value of feedback of B/P EGR Back Pressure Transducer EGR.
As further improvement, it is that heat exchanger provides thermal source that described vapour source is connected to heat exchanger through second jet chimney, and first jet chimney and second jet chimney are respectively equipped with the air bladder valve, and the end of second jet chimney is provided with the heat exchanger drain valve.
As further improvement; The end of described airduct is divided into humidity discharging commentaries on classics net and adds warm-air pipe, humidity discharging commentaries on classics net cleaning airduct and cut-tobacco drier hot blast air main; Cut-tobacco drier hot blast air main is connected to air inlet, and humidity discharging commentaries on classics net adds warm-air pipe and humidity discharging commentaries on classics net cleaning airduct all is connected to humidity discharging commentaries on classics net.
As further improvement, described air-heater is provided with frequency converter, and frequency converter and described control module are electrically connected, and described frequency converter can adopt Siemens MM Series Frequency Converter or Danfoss VLT and FC Series Frequency Converter.
As further improvement, described humidity discharging electropneumatic valve positioner can adopt E+H or Korea S Yongtai YT series electropneumatic valve positioner.
As further improvement, described cut-tobacco drier can form via KLK 2 cut-tobacco driers or the transformation of Italian COMAS cut-tobacco drier of German HAUNI company.
In order to realize second above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind ofly become the baking silk method of a characteristic separately based on papermaking-method reconstituted tobaccos, this method adopts above-mentioned cut-tobacco drier, and the step of described baking silk method is following:
1) preheating cylindrical shell is at first set drying cylinder rotating speed 5 ~ 7rpm, and hot blast temperature is set at 55 ~ 65 degree, and the air-heater frequency setting is 20%, and the humidity discharging electropneumatic valve positioner is adjusted according to the B/P EGR Back Pressure Transducer EGR value of feedback automatically, moisture-eliminating blower frequency 90%;
2) system gets into the ordinary production state after 8 minutes, and the drying cylinder speed setting is 7 ~ 9rpm, and the air-heater frequency setting is 60%, keeps hot blast temperature 55 ~ 65 degree constant, and moisture-eliminating blower frequency 90% is constant;
3) be under the operating mode of ordinary production state at cut-tobacco drier, belt claims that charging after 10 ~ 20 seconds, opens first jet chimney before the baking, delay time and closes after 150 ~ 200 seconds, the removal captacula; Through the value of feedback of outlet pipe tobacco moisture content, air-heater frequency and humidity discharging electropneumatic valve positioner automatically adjust according to hot blast blast volume controller and wind power balance controller, and combine feedforward controller, stablize the control accuracy of cut-tobacco drier;
4) after belt is claimed cutout before the baking, close heat exchanger, reduce air-heater frequency to 20%, setting the drying cylinder rotating speed is 8 ~ 12rpm, and opens first jet chimney after delaying time 70 ~ 90 seconds, closes after 150 ~ 200 seconds, removes tailfiber.
The present invention is directed to the physical characteristic, chemical characteristic, organoleptic attribute of the independent Cheng Sihou of papermaking-method reconstituted tobaccos and a kind of new cut-tobacco drier control method that becomes a characteristic based on papermaking-method reconstituted tobaccos separately is provided.Cut-tobacco drier involved in the present invention can make traditional cut-tobacco drier be applicable to the papermaking-method reconstituted tobaccos of independent Cheng Sihou; It is a kind of low intensive processing mode; Can effectively improve quality and effective rate of utilization that papermaking-method reconstituted tobaccos becomes silk separately; Thoroughly solve the excessive problem of traditional cut-tobacco drier control method amount of drying, accurately realize cut-tobacco drier inlet feed moisture content 13-15%, the control target of outlet material moisture content 12-13%.This low intensive processing mode can make the physical characteristic of the independent Cheng Sihou of papermaking-method reconstituted tobaccos and chemical characteristic effectively kept; Organoleptic attribute is effectively promoted; Simultaneously possessed laxity and lower cake silk rate preferably again, can help itself and other mixing of natural tobacco leaf more and join, adapted to the technological requirement of throwing grouping Processing, flexible processing more; Have the industry generality, be applicable to the drying process of the independent Cheng Sihou of papermaking-method reconstituted tobaccos.
Description of drawings
Fig. 1 is traditional cut-tobacco drier control block diagram.
Fig. 2 carries out improved cut-tobacco drier equipment schematic for control method involved in the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment the present invention is done further description.
As shown in Figure 2 a kind ofly become the cut-tobacco drier of a characteristic separately based on papermaking-method reconstituted tobaccos, this cut-tobacco drier comprises that net 19 is changeed in cylindrical shell 16, humidity discharging, the baking silk adds hot-air system, humidification wind system and control system.The front end of cylindrical shell 16 is provided with air inlet; The rear end that net 19 is arranged on cylindrical shell 16 is changeed in humidity discharging, and humidity discharging is changeed net 19 and is provided with humidity discharging airduct 20, and described baking silk adds hot-air system and comprises heat exchanger 7, air-heater 8 and airduct 3; The hot blast that airduct 3 is collected through over-heat-exchanger 7 surfaces; Described air-heater 8 is arranged on the airduct 3, and described air-heater 8 is provided with frequency converter, and described frequency converter can adopt Siemens MM Series Frequency Converter or Danfoss VLT and FC Series Frequency Converter.The end of airduct 3 is divided into humidity discharging commentaries on classics net and adds warm-air pipe 10, humidity discharging commentaries on classics net cleaning airduct 11 and cut-tobacco drier hot blast air main 12; Cut-tobacco drier hot blast air main 12 is connected to the air inlet of cylindrical shell 16, and humidity discharging commentaries on classics net adds warm-air pipe 10 and all is connected to humidity discharging commentaries on classics net 19 with humidity discharging commentaries on classics net cleaning airduct 11.Described humidification wind system comprises vapour source 2; Vapour source 2 is connected to cut-tobacco drier hot blast air main 12 through first jet chimney 13 is set; For hot blast provides auxiliary humidification; Described vapour source 2 is connected to heat exchanger 7 through second jet chimney 21 and for heat exchanger 7 thermal source is provided, and the end that first jet chimney 13 and second jet chimney 21 are respectively equipped with air bladder valve 5,6, the second jet chimneys 21 is provided with heat exchanger drain valve 9.
Control system hardware configuration aspect; All adopt new hardware configuration, comprise and add independently control cabinet and man-machine interface, be specifically designed to the control of operation cut-tobacco drier workshop section; The control systems soft ware is accomplished by Siemens PLC C specialty programming software STEP7, and human interface software is accomplished by Siemens WinCC.The control system comprises control module, hot blast temperature sensor 14, air velocity transducer 15, infrared moisture meter, B/P EGR Back Pressure Transducer EGR 17 and humidity discharging electropneumatic valve positioner 18; Hot blast temperature sensor 14, air velocity transducer 15, infrared moisture meter, B/P EGR Back Pressure Transducer EGR 17 and humidity discharging electropneumatic valve positioner 18 all are electrically connected with control module, and control module and described frequency converter are electrically connected.Described hot blast temperature sensor 14 is arranged on the cut-tobacco drier hot blast air main 12 of first jet chimney, 13 rear ends with air velocity transducer 15; Hot blast temperature sensor 14 hot blast temperature measured values are incorporated into control module, adopt the mode of PID control to carry out feedback compensation to realize the automatic control to cylindrical shell 16 hot blast temperatures.According to the different processes section, set different hot blast temperatures and drying cylinder rotating speed, and in this segment process process, keep these two physical parameters constant.For not influencing the dust removing effects of whole line, humidity discharging (dedusting) blower fan frequency remains unchanged always.
Described infrared moisture meter is arranged on the discharging opening (not demonstrating among Fig. 2) of cylindrical shell 16; The actual moisture content of pipe tobacco of infrared moisture meter feedback; Control module calculates offsets the needed hot blast air quantity of moisture content deviation, and provides the controlling value of output valve as air-heater 8, and the value of feedback of described air velocity transducer 15 is regulated the hot blast air quantity that gets into cylindrical shell 16 automatically; Make the speed of thermal convection current in the cylindrical shell 16 take place correspondingly to change; Through changing the wind speed of hot blast, increase or reduce the hot blast air quantity that gets into drying cylinder, the variation of stabilization of export pipe tobacco moisture content; And combine to be based upon the feedforward controller that is designed on a large amount of experimental datas basis to inlet flow of tobacco and moisture content, respond the variation of inlet moisture content rapidly.
Described B/P EGR Back Pressure Transducer EGR 17 is arranged on the humidity discharging airduct 20; And on the humidity discharging airduct 20 of B/P EGR Back Pressure Transducer EGR 17 rear ends, humidity discharging electropneumatic valve positioner 18 being set, humidity discharging electropneumatic valve positioner 18 can adopt E+H or Korea S Yongtai YT series electropneumatic valve positioner 18.Humidity discharging electropneumatic valve positioner 18 is electrically connected with control module; Under the situation that the hot blast air quantity changes in getting into cylindrical shell 16, the wind power balance in the drying cylinder is broken, the actual value that the B/P EGR Back Pressure Transducer EGR of at this moment installing according to humidity discharging air door place 17 feeds back; The aperture that design wind power balance controller is regulated humidity discharging electropneumatic valve positioner 18 rapidly; Rebulid new wind power balance system, avoid the fluctuation of wind power balance state in the drying cylinder, influence the control accuracy of cut-tobacco drier.
Becoming the baking silk section production process of a production line (scale flow 2000kg/H, the improved HAUNI KLK2 series of employing cut-tobacco drier before the baking) separately with certain factory's papermaking-method reconstituted tobaccos below is the implementation procedure that example further describes control method involved in the present invention.
At first; Preheating cylindrical shell 16 is set drying cylinder rotating speed 6rpm, and the steam pressure that gets into heat exchanger 7 is 0.45Mpa; Hot blast temperature is set at 60 degree; Air-heater 8 frequency settings are 20%, and the aperture of humidity discharging electropneumatic valve positioner 18 is adjusted according to B/P EGR Back Pressure Transducer EGR 17 values of feedback automatically, moisture-eliminating blower 8 frequencies 90%.System gets into the ordinary production state after 8 minutes, and the drying cylinder speed setting is 8rpm, and air-heater 8 frequency settings are 60%, keeps hot blast temperature 60 degree constant, and moisture-eliminating blower frequency 90% is constant.
Be at cut-tobacco drier under the operating mode of ordinary production state, belt was claimed charging after 15 seconds before the baking, opened the auxiliary humidification steam pipe, delayed time and closed after 180 seconds, produced captacula 4kg.Through the value of feedback of outlet pipe tobacco moisture content, air-heater 8 frequencies and humidity discharging electropneumatic valve positioner 18 automatically adjust according to hot blast blast volume controller and wind power balance controller, and combine feedforward controller, stablize the control accuracy of cut-tobacco drier.
After belt is claimed cutout before the baking, adopt the air bladder valve 6 of second jet chimney of closing heat exchanger 7 front ends, reduce air-heater 8 frequencies to 20%; Setting the drying cylinder rotating speed is 10rpm; And opened auxiliary humidification steam pipe film after delaying time 80 seconds and cut down, close after 180 seconds, produce the about 6kg of tailfiber.
Original HAUNI KLK 2 cut-tobacco drier control methods are not because be suitable for the drying process of the independent Cheng Sihou of papermaking-method reconstituted tobaccos, so the technology controlling and process level of its technological parameter control level and control method of the present invention does not have comparativity fully.
HAUNI KLK 2 cut-tobacco driers that the independent Cheng Sihou of papermaking-method reconstituted tobaccos controls through the control method that the present invention relates to; Its outlet material moisture content can guarantee to be controlled at 12-13%; Its mean standard deviation is within 0.1%, reaches the technology controlling and process index of this factory fully.
Meanwhile; Control method involved in the present invention has become low-intensity with the processing characteristics of cut-tobacco drier by high strength; And increase and to have designed the auxiliary humidification steam pipe, therefore, from the operational effect of whole system; A kind of cut-tobacco drier involved in the present invention and control method thereof are applicable to the drying process of the independent Cheng Sihou of papermaking-method reconstituted tobaccos fully; And the quantity of over-dried cut tobacco has had reduction significantly, and the captacula amount can be controlled in the 5kg basically, and the tailfiber amount can be controlled in the 8kg.
Claims (8)
1. cut-tobacco drier that becomes a characteristic based on papermaking-method reconstituted tobaccos separately; This cut-tobacco drier comprises that net (19) is changeed in cylindrical shell (16), humidity discharging, the baking silk adds hot-air system, humidification wind system and control system; The front end of cylindrical shell (16) is provided with air inlet; The rear end that net (19) is arranged on cylindrical shell (16) is changeed in humidity discharging; Humidity discharging is changeed net (19) and is provided with humidity discharging airduct (20), it is characterized in that: described baking silk adds hot-air system and comprises heat exchanger (7), air-heater (8) and airduct (3), and airduct (3) is collected the hot blast through over-heat-exchanger (7) surface; Described air-heater (8) is arranged on the airduct (3), and airduct (3) is connected to cylindrical shell (16); Described humidification wind system comprises vapour source (2), and vapour source (2) is connected to cut-tobacco drier hot blast air main (12) through first jet chimney (13) is set, for hot blast provides auxiliary humidification; Described control system comprises control module, hot blast temperature sensor (14), air velocity transducer (15), infrared moisture meter and B/P EGR Back Pressure Transducer EGR (17), and hot blast temperature sensor (14), air velocity transducer (15), infrared moisture meter, B/P EGR Back Pressure Transducer EGR (17), humidity discharging electropneumatic valve positioner (18) all are electrically connected with control module; Described hot blast temperature sensor (14) and air velocity transducer (15) are arranged on the cut-tobacco drier hot blast air main (12) of first jet chimney (13) rear end; Hot blast temperature sensor (14) hot blast temperature measured value is incorporated into control module, adopts the mode of PID control to carry out feedback compensation to realize the automatic control to cylindrical shell (16) hot blast temperature; Described infrared moisture meter is arranged on the discharging opening of cylindrical shell (16); The actual moisture content of pipe tobacco of infrared moisture meter feedback; Control module calculates offsets the needed hot blast air quantity of moisture content deviation; And providing the controlling value of output valve as air-heater (8), the value of feedback of described air velocity transducer (15) is regulated the hot blast air quantity that gets into cylindrical shell (16) automatically, makes the speed of the interior thermal convection current of cylindrical shell (16) take place correspondingly to change; Described B/P EGR Back Pressure Transducer EGR (17) is arranged on the humidity discharging airduct (20); And on the humidity discharging airduct (20) of B/P EGR Back Pressure Transducer EGR (17) rear end, humidity discharging electropneumatic valve positioner (18) is set; Humidity discharging electropneumatic valve positioner (18) is electrically connected with control module; Under the situation that the hot blast air quantity changes in getting into cylindrical shell (16),, control the aperture of humidity discharging electropneumatic valve positioner (18) automatically through the value of feedback of B/P EGR Back Pressure Transducer EGR (17).
2. a kind of cut-tobacco drier that becomes a characteristic based on papermaking-method reconstituted tobaccos separately according to claim 1; It is characterized in that: described vapour source (2) is connected to heat exchanger (7) through second jet chimney (21) and for heat exchanger (7) thermal source is provided; First jet chimney (13) and second jet chimney (21) are respectively equipped with air bladder valve (5,6), and the end of second jet chimney (21) is provided with heat exchanger drain valve (9).
3. a kind of cut-tobacco drier that becomes a characteristic based on papermaking-method reconstituted tobaccos separately according to claim 1; It is characterized in that: the end of airduct (3) is divided into humidity discharging commentaries on classics net and adds warm-air pipe (10), humidity discharging commentaries on classics net cleaning airduct (11) and cut-tobacco drier hot blast air main (12); Cut-tobacco drier hot blast air main (12) is connected to air inlet, and humidity discharging commentaries on classics net adds warm-air pipe (10) and humidity discharging commentaries on classics net cleaning airduct (11) all is connected to humidity discharging commentaries on classics net (19).
4. according to claim 1ly a kind ofly become the cut-tobacco drier of a characteristic separately based on papermaking-method reconstituted tobaccos, it is characterized in that: air-heater (8) is provided with frequency converter, and frequency converter and described control module are electrically connected.
5. according to claim 4ly a kind ofly become the cut-tobacco drier of a characteristic separately based on papermaking-method reconstituted tobaccos, it is characterized in that: described frequency converter can adopt Siemens MM Series Frequency Converter or Danfoss VLT and FC Series Frequency Converter.
6. according to claim 1ly a kind ofly become the cut-tobacco drier of a characteristic separately based on papermaking-method reconstituted tobaccos, it is characterized in that: said humidity discharging electropneumatic valve positioner (18) can adopt E+H or Korea S Yongtai YT series electropneumatic valve positioner.
7. according to claim 1ly a kind ofly become the cut-tobacco drier of a characteristic separately based on papermaking-method reconstituted tobaccos, it is characterized in that: described cut-tobacco drier can form via KLK 2 cut-tobacco driers or the transformation of Italian COMAS cut-tobacco drier of German HAUNI company.
8. one kind becomes the baking silk method of a characteristic separately based on papermaking-method reconstituted tobaccos, it is characterized in that this method adopts any described cut-tobacco drier of claim of claim 1 ~ 7, and the step of described baking silk method is following:
1) preheating cylindrical shell (16) at first; Set drying cylinder rotating speed 5 ~ 7rpm, hot blast temperature is set at 55 ~ 65 degree, and air-heater (8) frequency setting is 20%; Humidity discharging electropneumatic valve positioner (20) is adjusted moisture-eliminating blower frequency 90% automatically according to B/P EGR Back Pressure Transducer EGR (17) value of feedback;
2) system gets into the ordinary production state after 8 minutes, and the drying cylinder speed setting is 7 ~ 9rpm, and air-heater (8) frequency setting is 60%, keeps hot blast temperature 55 ~ 65 degree constant, and moisture-eliminating blower frequency 90% is constant;
3) be under the operating mode of ordinary production state at cut-tobacco drier, belt was claimed charging after 10 ~ 20 seconds before the baking, opened first jet chimney (13), delayed time and closed after 150 ~ 200 seconds, removed captacula; Through the value of feedback of outlet pipe tobacco moisture content, air-heater (8) frequency and humidity discharging electropneumatic valve positioner (18) automatically adjust according to hot blast blast volume controller and wind power balance controller, and combine feedforward controller, stablize the control accuracy of cut-tobacco drier;
4) after belt is claimed cutout before the baking, close heat exchanger (7), reduce air-heater (8) frequency to 20%, setting the drying cylinder rotating speed is 8 ~ 12rpm, and opens first jet chimney (13) after delaying time 70 ~ 90 seconds, closes after 150 ~ 200 seconds, removes tailfiber.
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| CN201210126975.XA CN102631017B (en) | 2012-04-27 | 2012-04-27 | Cut-tobacco drier based on independent tobacco cutting characteristics of papermaking method reconstituted tobacco and cut-tobacco drying control method thereof |
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| CN201210126975.XA CN102631017B (en) | 2012-04-27 | 2012-04-27 | Cut-tobacco drier based on independent tobacco cutting characteristics of papermaking method reconstituted tobacco and cut-tobacco drying control method thereof |
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| CN103202528A (en) * | 2013-04-10 | 2013-07-17 | 湖南中烟工业有限责任公司 | Cut lamina drying control method and cut lamina drying system based on feedforward and feedback of HT moisture compensation |
| CN103315382A (en) * | 2013-06-19 | 2013-09-25 | 浙江中烟工业有限责任公司 | Cascaded PID based charging moisture control device in tobacco shred processing technology |
| CN104703489A (en) * | 2012-10-16 | 2015-06-10 | 索萨·克鲁斯股份有限公司 | Process of treating tobacco for the development of distinctive organoleptic properties, uses thereof and smoking article |
| CN106072745A (en) * | 2016-08-11 | 2016-11-09 | 福建中烟工业有限责任公司 | Discharging cover negative regulation control method and system, cylinder cut tobacco dryer |
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| CN109782826A (en) * | 2019-01-14 | 2019-05-21 | 浙江中烟工业有限责任公司 | A kind of difunctional cleaning water thermostat suitable for water terrier wash machine |
| CN109820231A (en) * | 2019-03-18 | 2019-05-31 | 云南中烟工业有限责任公司 | A kind of baking silk system and its application method heating the cigarette shreds that do not burn for circumferential direction |
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| CN114343220A (en) * | 2022-02-21 | 2022-04-15 | 东南大学 | Cut tobacco drying outlet moisture control method based on total feed moisture compensation |
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| CN104703489A (en) * | 2012-10-16 | 2015-06-10 | 索萨·克鲁斯股份有限公司 | Process of treating tobacco for the development of distinctive organoleptic properties, uses thereof and smoking article |
| US9622507B2 (en) | 2012-10-16 | 2017-04-18 | Souza Cruz S.A. | Process of treating tobacco for the development of distinctive organoleptic properties, uses thereof and smoking article |
| CN103202528A (en) * | 2013-04-10 | 2013-07-17 | 湖南中烟工业有限责任公司 | Cut lamina drying control method and cut lamina drying system based on feedforward and feedback of HT moisture compensation |
| CN103315382A (en) * | 2013-06-19 | 2013-09-25 | 浙江中烟工业有限责任公司 | Cascaded PID based charging moisture control device in tobacco shred processing technology |
| CN103315382B (en) * | 2013-06-19 | 2015-04-15 | 浙江中烟工业有限责任公司 | Cascaded PID based charging moisture control device in tobacco shred processing technology |
| CN106072745B (en) * | 2016-08-11 | 2018-04-13 | 福建中烟工业有限责任公司 | Discharging cover negative regulation control method and system, cylinder cut tobacco dryer |
| CN106072745A (en) * | 2016-08-11 | 2016-11-09 | 福建中烟工业有限责任公司 | Discharging cover negative regulation control method and system, cylinder cut tobacco dryer |
| CN106983172A (en) * | 2017-04-24 | 2017-07-28 | 江苏密斯欧智能科技有限公司 | A kind of method of tobacco silk thread intelligence manufacture |
| CN109782826A (en) * | 2019-01-14 | 2019-05-21 | 浙江中烟工业有限责任公司 | A kind of difunctional cleaning water thermostat suitable for water terrier wash machine |
| CN109820231A (en) * | 2019-03-18 | 2019-05-31 | 云南中烟工业有限责任公司 | A kind of baking silk system and its application method heating the cigarette shreds that do not burn for circumferential direction |
| CN109820231B (en) * | 2019-03-18 | 2024-02-23 | 云南中烟工业有限责任公司 | Cut tobacco drying system for circumferentially heating non-combustible cigarette cut tobacco and use method thereof |
| CN110384248A (en) * | 2019-06-20 | 2019-10-29 | 红塔烟草(集团)有限责任公司 | It is a kind of not burnt the cut-tobacco drier and its control system of cigarette shreds characteristic based on heating |
| CN110720656A (en) * | 2019-10-09 | 2020-01-24 | 河南卷烟工业烟草薄片有限公司 | Heating control device and method for paper-making reconstituted tobacco drying box |
| CN114343220A (en) * | 2022-02-21 | 2022-04-15 | 东南大学 | Cut tobacco drying outlet moisture control method based on total feed moisture compensation |
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