CN107797536B - It is a kind of to improve the control method for cutting rear cut tobacco moisture up to standard rate - Google Patents
It is a kind of to improve the control method for cutting rear cut tobacco moisture up to standard rate Download PDFInfo
- Publication number
- CN107797536B CN107797536B CN201711033639.XA CN201711033639A CN107797536B CN 107797536 B CN107797536 B CN 107797536B CN 201711033639 A CN201711033639 A CN 201711033639A CN 107797536 B CN107797536 B CN 107797536B
- Authority
- CN
- China
- Prior art keywords
- moisture
- tobacco
- batch
- subgroup
- belt speed
- 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.)
- Active
Links
- 241000208125 Nicotiana Species 0.000 title claims abstract description 181
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000004519 manufacturing process Methods 0.000 claims abstract description 56
- 230000001186 cumulative effect Effects 0.000 claims description 18
- 238000009472 formulation Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 238000005303 weighing Methods 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000010923 batch production Methods 0.000 claims description 4
- 210000004712 air sac Anatomy 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 210000000352 storage cell Anatomy 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32018—Adapt process as function of results of quality measuring until maximum quality
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The present invention proposes a kind of control method for improving and cutting rear cut tobacco moisture up to standard rate, rear cut tobacco moisture mean value and the smallest batch of center for standard moisture offset will be cut in historical data as benchmark batch, production batch tobacco leaf is divided into m subgroup, pass through the equal value difference of confidence and volume differences of acquisition benchmark batch and production batch belted electronic balance belt speed, show that the loosening and gaining moisture of production batch remaining weight adds water shift ratio, and then control the amount of water in device for loosening and gaining moisture, realization cuts rear cut tobacco moisture and center for standard moisture unilateral side offset less than 0.2%, rear cut tobacco moisture up to standard rate is cut to improve.
Description
Technical field
The present invention relates to one kind to cut rear cut tobacco humidity control method, especially a kind of to be obtained by belted electronic balance belt speed data
Loosening steam conditioner tobacco leaf amount of water unilateral side shift ratio out, to improve the control method for cutting rear cut tobacco moisture up to standard rate.
Background technique
The rear i.e. smoked sheet of cut tobacco moisture is cut after chopping machines, is cigarette into the moisture content of cut tobacco before next process
A key index in throwing process.The purpose of its technique is the anti-working ability for improving cut tobacco, the dry temperature of matching cut tobacco
The design requirement for spending controlling value, cuts rear cut tobacco moisture control effect and plays a significant role to the interior quality of pipe tobacco.Production process
In, the variation for cutting rear moisture content of cut tobacco will lead to the processing intensity of cut tobacco drying and change, influence it is dry after moisture content of cut tobacco
Stability, also will affect it is dry after the Filling power of cut tobacco, the structure of pipe tobacco and aesthetic quality etc., also can be to the inherent matter of cigarette
Amount has an impact.The difference that the difference of rear moisture content of cut tobacco can also make same board name cigarette generate aesthetic quality is cut between batch, is influenced
The stability of product quality.
So that loosening and gaining moisture tube rear end is added water closed-loop control in existing water-adding system, can reduce loosening and gaining moisture outlet tobacco leaf
Moisture fluctuation, but cannot fundamentally solve the offset problem in moisture content in leaves control by the gross;Also before promising elimination loosening and gaining moisture
Supplied materials agglomeration, moisture fluctuation bring influence, on raw water sub-control procedure basis, control program is carried out it is perfect, will be " fixed
Coefficient " plus water management mode are changed to " variable coefficient " plus water, but the process of " variable coefficient " plus water only uses supplied materials moisture and supplied materials
The difference of moisture theory is calculated, and supplied materials moisture is influenced by tobacco leaf degree, time, water grading factors, is formulated grade in addition
The factors such as adjustment, Moisture Meter show value deviation influence, and to adding the accurate control of water coefficient to cause many uncertainties, often result in
Control deviation occurs for loosening and gaining moisture amount of water, and the final accuracy for influencing to cut rear cut tobacco moisture can not fundamentally solve by the gross
Moisture content in leaves Accuracy control problem.Meanwhile 85 batches produced with the trade mark 3 months have been counted in production and have cut rear cut tobacco average water
Point, wherein there are 4 batches beyond 1% batch with center for standard moisture unilateral side offset, exists with center for standard moisture unilateral side offset
Batch between 0.5-1% has 11 batches, and technique requirement is cut rear cut tobacco moisture central standard value unilateral side offset and is usually no more than
0.5%, practical moisture up to standard rate is only 82.4%.
In order to improve the stability of tobacco drying process drying temperature, rear cut tobacco moisture is cut in diminution and center for standard moisture is inclined
Shifting amount proposes a kind of control method for improving and cutting rear cut tobacco moisture up to standard rate, it appears particularly important.
Summary of the invention
The object of the present invention is to provide the control method that rear cut tobacco moisture up to standard rate is cut in a kind of raising, rear cut tobacco water is cut in diminution
Divide and center for standard moisture offset.
It is a kind of to improve the control method for cutting rear cut tobacco moisture up to standard rate, characterized by the following steps:
A: acquisition belted electronic balance belt speed cuts rear cut tobacco moisture content database and electricity with rear cut tobacco moisture content, foundation is cut
Sub- weighing belt belt speed database, selected from database cut rear cut tobacco moisture mean value and center for standard moisture offset it is the smallest by one
Batch establishes the batch in tobacco feeding machine entrance belted electronic balance belt speed sample (α as benchmark batch1、α2、α3…αj…αn),
The belted electronic balance belt speed data of unit dosage time are as sample elements α during using batch productionj, calculate the sample
Single normal population confidence mean valueWherein j=1,2,3 ... n, n are sample size;
B: it is G that production batch, which is divided into subgroup weight according to tobacco formulation total weight,iThe m subgroup of Kg, establishes every height
Group is in tobacco feeding machine entrance belted electronic balance belt speed sample (β1、β2、β3…βj…βn), by unit meter during subgroup production
The belted electronic balance belt speed data of time are measured as sample elements βj, calculate separately the single normal population for acquiring each subgroup sample
Confidence mean valueWherein j=1,2,3 ... n, n are sample size, and i is the m of number i=1,2,3 ... by subgroup, and m is that subgroup is total
Number, GiFor the tobacco leaf weight of i-th of subgroup of production batch;
C: acquisition benchmark batch and single normal state of each subgroup tobacco feeding machine entrance belted electronic balance belt speed sample of production batch are total
The equal value difference of body confidenceWherein i is the number by subgroup, the m of i=1,2,3 ...;
D: acquisition weight is all GiKg benchmark batch tobacco leaf volume V1With the tobacco leaf volume V of production batch subgroup2, whereinWithWherein i is the number by subgroup, the m of i=1,2,3 ...;
E: amount of water difference DELTA G of the production batch subgroup relative to benchmark batch is obtainedi=(V2-V1)ΔSiWherein i=1,2,
3…m;
F: the loosening and gaining moisture amount of water shift ratio P=Δ G of production batch remaining weight is finally obtainedi/(g-gi), wherein P is
Amount of water shift ratio, g is production batch tobacco formulation total weight, logical by loosening steam conditioner when gi is production batch subgroup statistics
The cumulative weight of belted electronic balance is crossed,g-giFor production batch loosening and gaining moisture tobacco leaf remaining weight.Wherein i is to pass through
The number of subgroup, the m of i=1,2,3 ...;
G: the amount of water shift ratio for adjusting loosening steam conditioner is that loosening and gaining moisture tobacco leaf remainder is criticized in the production that F-step obtains
The amount of water shift ratio P divided cuts rear cut tobacco moisture to change water-adding system amount of water and hot-air steam compensation rate to adjust
Content, so that rear cut tobacco moisture up to standard rate is cut in raising while ensureing hot blast temperature and drop temperature.
Further, in the step A belted electronic balance belt speed acquisition be actual flow reach setting flow 97% with
Data when upper.
Further, the rear cut tobacco moisture mean value of cutting of benchmark batch exists with the offset of center for standard moisture unilateral side in the step A
Within 0.2%.
Further, production batch is divided into multiple subgroups, every height according to tobacco formulation total weight in the step B
Group tobacco leaf cumulative weight is G Kg.
Further, in the step B each subgroup with 1000Kg tobacco leaf cumulative weight, that is, G=1000,30 electronics skins
The belt speed sample of belt scale is as statistics a node, i.e. m=30.
Rear cut tobacco moisture up to standard rate is cut in a kind of raising of control method that cutting rear cut tobacco moisture up to standard rate based on above-mentioned raising
Control system, include data acquisition module, control module and execution module, the data acquisition module include belted electronic balance
Belt speed sensor, infrared moisture meter, belt transmission flowmeter and touch display, the control module include that data storage is single
Member, comparator and program calculation unit, the execution unit include frequency converter and Pneumatic diaphragm valve.
The belted electronic balance belt speed sensor at least provided with a signal output end, the infrared moisture meter at least provided with
One signal output end, at least provided with a signal output end, the touch display is at least set the belt transmission flowmeter
There is a data transmission port, the control module is at least provided with three signal input parts, a data transmission port and two
Signal output port, the control module, which passes through the data of acquisition module, is stored in storage unit, by the comparison of comparator
Amount of water shift ratio is shown in touch display screen with calculating, while exporting corresponding signal to make in loosening and gaining moisture water-adding system
The frequency converter of the make-up water pump frequency of control exports corresponding frequency to change the revolving speed of make-up water pump, to change loosening and conditioning system
In amount of water;The air bladder valve opening on corresponding signal change steam pipe line is exported, simultaneously to change loosening and gaining moisture system
Quantity of steam in system.The frequency converter is at least provided with a signal input part, and the Pneumatic diaphragm valve is at least provided with a signal
Input terminal and a valve position signal output end.
The belted electronic balance belt speed sensor signal output end, infrared moisture meter signal output end and belt transmit flow
The signal input part of the signal output end link control module of meter, the number of the data transmission terminal link control module of touch display
According to transmission port, the signal input part of the frequency converter and the signal input part of Pneumatic diaphragm valve are separately connected the letter of control module
Number output end.
The touch display screen is equipped with the window of input and display production batch tobacco formulation total weight, and real-time moisture is shown
Window, standard moisture content set window, and belt transmits flow display window, the input of setting Belt Flow and display window and steaming
Pneumatic diaphragm valve opening size on steam pipe line.
In real time in use, the belted electronic balance belt speed sensor acquires the band of production batch or benchmark batch per unit time
Speed is sent into the storage unit of control module, and the infrared moisture meter real-time detection cuts rear cut tobacco moisture content, and is sent into control mould
The storage unit of block, the standard moisture content input window in touch display screen input standard moisture content, and control module is logical
It crosses to compare to pick out and cuts rear cut tobacco moisture mean value and the offset of center for standard moisture unilateral side within 0.2% and offset is the smallest by one
Criticize the electronics skin as benchmark batch, during the benchmark batch production of belted electronic balance belt speed sensor per unit Dose times acquisition
Belt scale belt speed acquires data as sample elements αj, to establish the batch in tobacco feeding machine entrance belted electronic balance belt speed
Sample (α1、α2、α3…αj…αn), acquire the single normal population confidence mean value of the sampleWherein j=1,2,3 ... n, n are sample
Capacity;
In the window input production batch tobacco formulation total weight of the input production batch tobacco formulation total weight of touch display screen
G, the program calculation unit in control module is according to each subgroup GiProduction batch tobacco leaf is divided into m subgroup, belted electronic balance by Kg
Belt speed sensor is acquired during a weighing belt belt speed is produced as i-th of subgroup per unit time in tobacco feeding machine entrance electricity
The sample elements β of sub- weighing belt belt speed samplej, each subgroup is established in tobacco feeding machine entrance belted electronic balance belt speed sample
(β1、β2、β3…βj…βn), j=1,2,3 ... n, n are sample size, are acquired by program calculation unit and calculate the subgroup sample
Single normal population confidence mean valueTo pass through the m of number i=1,2,3 ... of subgroup;
The single normal population confidence mean value of the i-th subgroup is calculated by program calculation unit againIt is total with the single normal state of benchmark batch
Body confidence mean valueDifferenceWeight is obtained all by program calculation unit again it is the tobacco leaf weight of the i-th subgroup
GiThe benchmark of Kg batch tobacco leaf volume V1With the tobacco leaf volume V of production batch subgroup2, whereinWithThen
Obtain amount of water difference DELTA G of the i-th subgroup of production batch relative to benchmark batchi=(V2-V1)ΔSi;Then final plus water is obtained
Measure shift ratio P=Δ Gi/(g-gi), wherein P is amount of water shift ratio, and g is production batch tobacco formulation total weight, giIt makes a living
When producing batch subgroup statistics by loosening steam conditioner by the cumulative weight of belted electronic balance,g-giFor production batch
Loosening and gaining moisture tobacco leaf remaining weight.Wherein i is the number by subgroup, the m of i=1,2,3 ...;
Last control module is defeated according to the amount of water shift ratio of calculated production batch loosening and gaining moisture tobacco leaf remainder
The output frequency of corresponding Signal Regulation frequency converter is out to control the revolving speed of the make-up water pump of water-adding system to change amount of water, together
When, it exports corresponding signal and changes the valve seat opening of Pneumatic diaphragm valve on loosening and conditioning system steam pipe line to adjust quantity of steam,
To change the content of cut tobacco moisture after residue is cut while ensureing hot blast temperature and drop temperature, rear cut tobacco moisture is cut in raising
Compliance rate.
Real-time moisture content, belt transmission flow and steam that infrared moisture meter measures are shown in the touch display screen
Air bladder valve opening on pipeline.
Further, the input setting Belt Flow in touch display screen, when belt transmission flowmeter collects practical stream
The belt speed data of belted electronic balance acquisition could enter as benchmark batch in tobacco feeding machine when amount reaches 97% or more flow of setting
Mouth belted electronic balance belt speed sample elements αj.It improves the accuracy of the single normal population confidence mean value S of benchmark lot sample sheet and then mentions
The accuracy of the production batch loosening and gaining moisture tobacco leaf amount of water shift ratio of high remaining weight, deviates with center for standard moisture unilateral side
Amount is less than 0.2%.
Compared with prior art, invention describes belted electronic balance belt speed before tobacco feeding to participate in loosening steam conditioner moisture
The method of control, and rear cut tobacco is cut in the raising for providing a kind of control method that rear cut tobacco moisture up to standard rate is cut based on above-mentioned raising
The control system of moisture up to standard rate can effectively reduce and cut rear cut tobacco moisture and center for standard moisture offset, and rear leaf is cut in realization
Silk moisture and center for standard moisture unilateral side offset effectively improve less than 0.2% and cut rear cut tobacco moisture up to standard rate.
Specific embodiment
Embodiment 1:
Rear cut tobacco moisture content is cut by infrared moisture meter real-time detection, and is sent into the storage unit of control module, is established
It rises and cuts rear cut tobacco moisture content database and belted electronic balance belt speed database, the standard moisture content in touch display screen is defeated
Entering window input standard moisture content is 20%, recalls the A trade mark by database and cuts rear cut tobacco moisture closest to center for standard moisture
It is worth a batch, average moisture is 19.93% after showing the trade mark chopping, differs 0.07% with center for standard value, utilizes data
All belt speed data of belted electronic balance before the hot wind that library recalls the batch feeds, end to end material number of the removal lower than 97% setting flow
According to benchmark batch that is rear, calculating the mean value of confidence interval for 0.09445m/s, by this batch as the A trade mark.The A trade mark is in loosening and gaining moisture
Preceding tobacco formulation amount is 6980Kg, in the window input production batch of the input production batch tobacco formulation total weight of touch display screen
Tobacco formulation total weight 6980Kg, tobacco leaf average cumulative amount is 7250Kg, belted electronic balance before hot wind feeds before hot wind feeds
The belt speed of acquisition in belt speed sensor every 20 seconds, belted electronic balance set flow as 6000Kg/h, and tobacco leaf cumulative amount reaches within 10 minutes
Be one group to 1000Kg, every group can acquire 30 belt speed data, less than 30 belt speed data of last group can also carry out mean value and
The calculating of amount of water shift ratio.It, can be with after removing during this batch production belt speed data of the material lower than 97% setting flow end to end
The weighing belt belt speed data of the trade mark are divided into 7 groups.By the comparison of control module and following result is calculated:
The confidence interval mean value computation result of first group of belted electronic balance belt speed is 0.09283m/s, this group of tobacco leaf volume is
Volume of 1000 kilograms of tobacco leaves after belted electronic balance, it may be assumed that 1000/0.09283=10772.4m3, benchmark batch same 1000
Kilogram volume of the tobacco leaf after belted electronic balance are as follows: (value will be with every group of cigarette of production batch by 1000/0.09445=10587.6m3
Calculating is compared in leaf volume), at this point, the difference of first group of tobacco leaf volume of this batch and the tobacco leaf volume of benchmark batch is 184.8m3,
Volume differences are positive number, illustrate that first group of tobacco leaf amount of water at loosening steam conditioner is bigger than normal, and adding water offset is 184.8*0.09283
=17.15 kilograms, loosening and gaining moisture amount of water shift ratio setting value is 4.1L/100 kilograms of tobacco leaf at this time, and loosening and gaining moisture belt
Scale tobacco leaf cumulative amount is 1120 kilograms, and remaining weight is 6980-1120=5860 kilograms, and amount of water shift ratio is 17.15/
5860=0.3L/100 kilograms of tobacco leaf, system is automatically by the amount of water shift ratio setting value of loosening steam conditioner by 4.1L/100 public affairs
Jin is adjusted to 3.8L/100 kilograms of tobacco leaf.Control module in system is according to calculated production batch loosening and gaining moisture tobacco leaf remainder
The amount of water shift ratio divided exports the output frequency of corresponding Signal Regulation frequency converter to control the make-up water pump of water-adding system
Revolving speed is to change amount of water, after the adjustment of amount of water shift ratio, if influencing loosening steam conditioner hot blast temperature or outlet temperature
Index is spent, equipment will automatically adjust hot-air steam and compensation steam film valve opening, and realize the stability of indices.Thus
It ensures and changes the content that residue cuts rear cut tobacco moisture while hot blast temperature and drop temperature, rear cut tobacco moisture up to standard is cut in raising
Rate.
When the belt speed data of second group of production batch, which reach calculating, to be required, continue by above-mentioned steps calculating plus water offset,
Calculated result is -11.4 kilograms, at this point, first two groups can be added water offset to sum by system by program, obtains 5.75 kilograms, explanation
Tobacco leaf amount of water still floats, at this point, loosening steam conditioner entrance tobacco leaf cumulative amount is 2260 kilograms, remaining weight 6980-
2260=4720 kilograms, the amount of water shift ratio under preceding two groups of belted electronic balance belt speed is 5.75/4720=0.12L/100 public
Jin tobacco leaf, system continue automatic revision, the amount of water shift ratio setting value of loosening steam conditioner are adjusted to 3.7L/100 by 3.8
Kilogram.
When the belt speed data of third group reach calculating and require, continues to calculate 1000 kilograms of tobacco leaves by above-mentioned steps water is added to deviate
Amount, calculated result are -0.6 kilogram, at this point, three groups can be added water offset integrally to sum by system by program, the calculating stage adds water
Offset is 5.15 kilograms, illustrates that tobacco leaf stage amount of water still slightly floats, at this point, loosening steam conditioner entrance tobacco leaf cumulative amount is
3380 kilograms, remaining weight is 6980-3380=3600 kilograms, the amount of water shift ratio under first three groups belted electronic balance belt speed
For 5.15/3600=0.1L/100 kilograms of tobacco leaf, system continues automatic revision, the amount of water shift ratio of loosening steam conditioner is set
Definite value is adjusted to 3.6L/100 kilograms by 3.7.
When 4th group of belt speed data reach calculating and require, continues to calculate 1000 kilograms of tobacco leaves by above-mentioned steps water is added to deviate
Amount, calculated result are -6.1 kilograms, at this point, four groups can be added water offset integrally to sum by system by program, the calculating stage adds water
Offset is -0.95 kilogram, illustrates that tobacco leaf stage amount of water is slightly floated downward, at this point, loosening steam conditioner entrance tobacco leaf cumulative amount is
4487 kilograms, remaining weight is 6980-4487=2493 kilograms, the amount of water shift ratio under preceding four groups of belted electronic balance belt speed
For -0.95/2493=-0.04L/100 kilograms of tobacco leaves, system is continued automatic revision, is not enough to change after being rounded up due to result
The ratio of using is cashed, so continuing to carry out by the amount of water shift ratio of 3.6L/100 kilograms of tobacco leaf to add water.
When 5th group of belt speed data reach calculating and require, continues to calculate 1000 kilograms of tobacco leaves by above-mentioned steps water is added to deviate
Amount, calculated result are 4.3 kilograms, at this point, five groups can be added water offset integrally to sum by system by program, the calculating stage adds water inclined
Shifting amount is 3.35 kilograms, illustrates that tobacco leaf stage amount of water slightly floats, at this point, loosening steam conditioner entrance tobacco leaf cumulative amount is 5614
Kilogram, remaining weight is 6980-5614=1366 kilograms, and the amount of water shift ratio under first five set belted electronic balance belt speed is
3.35/1366=0.3L/100 kilogram tobacco leaf, system continues automatic revision, and the amount of water shift ratio of loosening steam conditioner is set
Value is adjusted to 3.3L/100 kilograms by 3.6.
When 6th group of belt speed data reach calculating and require, 1000 kilograms of tobacco leaves add water offset calculated result to be -4.1 public
Jin, at this point, six groups can be added water offset integrally to sum by system by program, the calculating stage adds water offset to be -0.75 kilogram, says
Bright tobacco leaf stage amount of water is slightly floated downward, at this point, loosening steam conditioner entrance tobacco leaf cumulative amount is 6750 kilograms, remaining weight is
6980-6750=230 kilograms, it is -0.75/230=-0.3L/ that the first six, which organizes the amount of water shift ratio under belted electronic balance belt speed,
100 kilograms of tobacco leaves, system continue automatic revision, the amount of water shift ratio setting value of loosening steam conditioner are adjusted to by 3.3
3.6L/100 kilogram.
When the belt speed data of belted electronic balance reach calculating and require before 7th group of hot wind feeds, loosening steam conditioner has produced knot
Beam, system calculate 1000 kilograms of tobacco leaves of hot wind charger entrance and water offset result are added to be -1.15 kilograms, and system presses program for seven
Group plus water offset integrally sum, calculate this batch of totality add water offset be -1.9 kilograms, overall amount of water shift ratio be -
1.9/6980=-0.03L/100 kilograms of tobacco leaf (that is: cut the practical moisture of rear cut tobacco smaller than a reference value moisture 0.03%), obtains
It is about 19.93%-0.03%=19.9% that this batch, which cuts rear cut tobacco moisture, and practical moisture average value is after this batch of tobacco leaf chopping
19.86%, it is only smaller than benchmark batch moisture by 0.07%, meet the design of practical controlling value Yu a reference value moisture deviation≤0.2%
It is required that.
Embodiment 2:
Standard moisture content input window input standard moisture content in touch display screen is 20%, by database tune
The B trade mark cuts rear cut tobacco moisture closest to one batch of center for standard value out, and average moisture is 20.03% after showing the trade mark chopping,
0.03% is differed with center for standard value, recalls this batch all belt speed samples of belted electronic balance before hot wind feeds using database,
After the data of material end to end of the removal lower than 97% setting flow, the mean value for calculating confidence interval is 0.08936m/s, this batch will make
For the benchmark batch of the trade mark.
Tobacco formulation amount of the trade mark before loosening and gaining moisture is 5863Kg, and tobacco leaf average cumulative amount is before hot wind feeds
6156Kg, it is every 20 seconds primary that belted electronic balance belt speed, which adopts frequency, before being fed according to hot wind, belted electronic balance set flow as
6000Kg/h carries out the acquisition of weighing belt belt speed by 10 minutes tobacco leaf cumulative amount 1000Kg, and 30 belt speed data of every group of acquisition are (last
One group less than 30 but be greater than 5 belt speed data and can also carry out the calculating of mean value and amount of water shift ratio).Remove this batch of production period
Between end to end material lower than 97% setting flow belt speed after, the weighing belt belt speed data of the trade mark can be divided into 6 groups.By controlling mould
The comparison and calculating of block, the confidence interval mean value computation result of first group of belted electronic balance belt speed are 0.08902m/s, this group of cigarette
Leaf volume is volume of 1000 kilograms of tobacco leaves after belted electronic balance, and amount, calculated result is -3.1 kilograms, at this point, system meeting
Water offset is added integrally to sum by five groups by program, the calculating stage adds water offset to be -2.0 kilograms, illustrates that the tobacco leaf stage adds water
Amount is slightly floated downward, at this point, loosening steam conditioner entrance tobacco leaf cumulative amount is 5582 kilograms, remaining weight is 5863-5582=281 public
Jin, the amount of water shift ratio under first five set belted electronic balance belt speed are -2.0/281=-0.7L/100 kilograms of tobacco leaves, system after
Continuous automatic revision, is adjusted to 5.0L/100 kilograms by 4.3 for the amount of water shift ratio setting value of loosening steam conditioner.
When belted electronic balance belt speed data reach calculating and require before 6th group of hot wind feeds, loosening steam conditioner has produced knot
Beam, system calculates 1000 kilograms of tobacco leaves of hot wind charger entrance and water offset result is added to be -1.8 kilograms, at this point, system can be by journey
Six groups are added water offset integrally to sum by sequence, the calculating stage add water offset be -3.8 kilograms, overall amount of water shift ratio be -
3.8/5863=-0.06L/100 kilograms of tobacco leaf (that is: cut the practical moisture of rear cut tobacco smaller than a reference value moisture 0.06%), obtains
It is about 20.53%-0.06%=20.47% that this batch, which cuts rear cut tobacco moisture, and practical moisture average value is after this batch of tobacco leaf chopping
20.49%, it is only smaller than benchmark batch moisture by 0.04%, meet the design of practical controlling value Yu a reference value moisture deviation≤0.2%
It is required that.
The above content is specific embodiment and data are combined, further detailed description of the invention, cannot recognize
Fixed specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention
Protection scope.
Claims (8)
1. a kind of improve the control method for cutting rear cut tobacco moisture up to standard rate, characterized by the following steps:
A: acquisition belted electronic balance belt speed cuts rear cut tobacco moisture content database and electronics skin with rear cut tobacco moisture content, foundation is cut
Belt scale belt speed database is selected from database and cuts rear cut tobacco moisture mean value and the smallest batch of center for standard moisture offset
As benchmark batch, the batch is established in tobacco feeding machine entrance belted electronic balance belt speed sample (α1、α2、α3…αj…αn), by this
The belted electronic balance belt speed data of unit dosage time are as sample elements α during batch producesj, calculating the list of the sample just
State totality confidence mean valueWherein j=1,2,3 ... n, n are sample size;
B: it is G that production batch, which is divided into subgroup weight according to tobacco formulation total weight,iThe m subgroup of Kg establishes each subgroup in cigarette
Leaf charger entrance belted electronic balance belt speed sample (β1、β2、β3…βj…βn), by the unit dosage time during subgroup production
Belted electronic balance belt speed data as sample elements βj, the single normal population confidence of each subgroup sample of acquisition calculating is equal respectively
ValueWherein j=1,2,3 ... n, n are sample size, and i is the m of number i=1,2,3 ... by subgroup, and m is subgroup sum, Gi
For the tobacco leaf weight of i-th of subgroup of production batch;
C: acquisition benchmark batch and the single normal population of each subgroup tobacco feeding machine entrance belted electronic balance belt speed sample of production batch are set
Believe equal value differenceWherein i is the number by subgroup, the m of i=1,2,3 ...;
D: acquisition weight is all GiThe benchmark of Kg batch tobacco leaf volume V1With the tobacco leaf volume V of production batch subgroup2, wherein
WithWherein i is the number by subgroup, the m of i=1,2,3 ...;
E: amount of water difference DELTA G of the production batch subgroup relative to benchmark batch is obtainedi=(V2-V1)ΔSiThe wherein m of i=1,2,3 ...;
F: the loosening and gaining moisture amount of water shift ratio P=Δ G of production batch remaining weight is finally obtainedi/ (g-gi), wherein P is to add water
Shift ratio is measured, g is production batch tobacco formulation total weight, giPass through electricity by loosening steam conditioner when counting for production batch subgroup
The cumulative weight of sub- weighing belt,g-giFor production batch loosening and gaining moisture tobacco leaf remaining weight;Wherein i is to pass through subgroup
Number, the m of i=1,2,3 ...;
G: the amount of water shift ratio for adjusting loosening steam conditioner is that loosening and gaining moisture tobacco leaf remainder is criticized in the production that F-step obtains
Amount of water shift ratio P cuts rear cut tobacco moisture with adjusting and contains to change water-adding system amount of water and hot-air steam compensation rate
Amount, so that rear cut tobacco moisture up to standard rate is cut in raising while ensureing hot blast temperature and drop temperature.
2. according to claim 1 improve the control method for cutting rear cut tobacco moisture up to standard rate, it is characterised in that: the A step
Belted electronic balance belt speed acquisition in rapid is data when actual flow reaches 97% or more flow of setting.
3. according to claim 2 improve the control method for cutting rear cut tobacco moisture up to standard rate, benchmark batch in the step A
Rear cut tobacco moisture mean value and the offset of center for standard moisture unilateral side are cut within 0.2%.
4. according to any one of claim 1-3 improve the control method for cutting rear cut tobacco moisture up to standard rate, the step B
Middle that production batch is divided into multiple subgroups according to tobacco formulation total weight, each subgroup tobacco leaf weight adds up as GKg.
5. according to claim 4 improve the control method for cutting rear cut tobacco moisture up to standard rate, each subgroup in the step B
With 1000Kg tobacco leaf cumulative weight, that is, G=1000, the belt speed sample of 30 belted electronic balances is as statistics a node, i.e. m=
30。
6. a kind of improve the control system for cutting rear cut tobacco moisture up to standard rate, comprising data acquisition module, control module and mould is executed
Block, it is characterised in that: the data acquisition module includes belted electronic balance belt speed sensor, infrared moisture meter, belt transmitting stream
Meter and touch display screen, the control module include data storage cell, comparator and program calculation unit, the execution
Unit includes frequency converter and Pneumatic diaphragm valve;At least provided with input production batch tobacco formulation total weight in the touch display screen
Window and standard moisture content set window;
The belted electronic balance belt speed sensor acquires the belt speed of production batch or benchmark batch per unit time, is sent into control module
Storage unit, the infrared moisture meter real-time detection cuts rear cut tobacco moisture content, and is sent into the storage unit of control module, is touching
The standard moisture content input window input standard moisture content on display screen is touched, control module is picked out by comparing calculating and cut
Cut tobacco moisture mean value and center for standard moisture unilateral side deviate within 0.2% afterwards and the smallest a batch of offset is criticized as benchmark,
Belted electronic balance belt speed during the benchmark batch production of belted electronic balance belt speed sensor per unit Dose times acquisition, acquisition
Data are as sample elements αj, to establish the batch in tobacco feeding machine entrance belted electronic balance belt speed sample (α1、α2、α3…
αj…αn), calculate the single normal population confidence mean value for acquiring the sampleWherein j=1,2,3 ... n, n are sample size;
In the window input production batch tobacco formulation total weight g of the input production batch tobacco formulation total weight of touch display screen, control
Program calculation unit in molding block is according to each subgroup GiProduction batch tobacco leaf is divided into m subgroup, belted electronic balance belt speed by Kg
Sensor is acquired during a weighing belt belt speed is produced as i-th of subgroup per unit time in tobacco feeding machine entrance electronics skin
The sample elements β of belt scale belt speed samplej, each subgroup is established in tobacco feeding machine entrance belted electronic balance belt speed sample (β1、β2、
β3…βj…βn), j=1,2,3 ... n, n are sample size, and the single normal population of the subgroup sample is calculated by program calculation unit
Confidence mean valueI is the m of number i=1,2,3 ... by subgroup;
The single normal population confidence mean value of the i-th subgroup is collected by program calculation unit againIt is set with benchmark batch single normal population
Believe mean valueDifferenceWeight is calculated all by program calculation unit again it is the tobacco leaf weight G of the i-th subgroupiKg
Benchmark crowd tobacco leaf volume V1With the tobacco leaf volume V of production batch subgroup2, whereinWithThen it is given birth to
Produce amount of water difference DELTA G of batch the i-th subgroup relative to benchmark batchi=(V2-V1)ΔSi;Then amount of water shift ratio P=is obtained
ΔGi/(g-gi), wherein P is amount of water shift ratio, and g is production batch tobacco formulation total weight, giWhen being counted for production batch subgroup
By loosening steam conditioner by the cumulative weight of belted electronic balance,g-giIt is surplus for production batch loosening and gaining moisture tobacco leaf
Remaining weight;Wherein i is the number by subgroup, the m of i=1,2,3 ...;
Last control module criticizes the amount of water shift ratio output phase of loosening and gaining moisture tobacco leaf remainder according to calculated production
The output frequency for the Signal Regulation frequency converter answered with control water-adding system make-up water pump revolving speed to changing amount of water, meanwhile,
The valve seat opening of Pneumatic diaphragm valve on corresponding signal change loosening and conditioning system steam pipe line is exported to adjust quantity of steam, thus
Change the content of cut tobacco moisture after residue is cut while ensureing hot blast temperature and drop temperature, rear cut tobacco moisture up to standard is cut in raising
Rate.
7. according to claim 6 improve the control system for cutting rear cut tobacco moisture up to standard rate, it is characterised in that: aobvious touching
Setting Belt Flow input window is additionally provided in display screen, the input setting Belt Flow in touch display screen, when belt transmitting stream
The belt speed data that meter collects belted electronic balance acquisition when actual flow reaches 97% or more flow of setting could be used as benchmark
It criticizes in tobacco feeding machine entrance belted electronic balance belt speed sample elements αj。
8. according to claim 7 improve the control system for cutting rear cut tobacco moisture up to standard rate, it is characterised in that: the touch
Real-time Water sub-display window mouth is additionally provided on display screen, belt transmits flow display window, air bladder valve opening on steam pipe line
Display window.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711033639.XA CN107797536B (en) | 2017-10-30 | 2017-10-30 | It is a kind of to improve the control method for cutting rear cut tobacco moisture up to standard rate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711033639.XA CN107797536B (en) | 2017-10-30 | 2017-10-30 | It is a kind of to improve the control method for cutting rear cut tobacco moisture up to standard rate |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107797536A CN107797536A (en) | 2018-03-13 |
CN107797536B true CN107797536B (en) | 2019-11-08 |
Family
ID=61547637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711033639.XA Active CN107797536B (en) | 2017-10-30 | 2017-10-30 | It is a kind of to improve the control method for cutting rear cut tobacco moisture up to standard rate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107797536B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111567848B (en) * | 2020-05-14 | 2022-06-03 | 广东省金叶科技开发有限公司 | Method for treating cigarette core material of heating non-combustible cigarette, method for measuring quantity of cigarette core material and method for preparing cigarette core material |
CN112075658B (en) * | 2020-09-27 | 2022-08-09 | 红云红河烟草(集团)有限责任公司 | Process for accurately controlling stability of moisture content after shredding |
CN112273696B (en) * | 2020-10-30 | 2022-04-01 | 红云红河烟草(集团)有限责任公司 | Method, device and equipment for controlling moisture after shredding |
CN112790419B (en) * | 2021-03-18 | 2022-09-23 | 河南中烟工业有限责任公司 | Method and system for controlling processing parameters of cut tobacco charging |
CN113303489B (en) * | 2021-06-02 | 2022-08-12 | 红云红河烟草(集团)有限责任公司 | Method for accurately controlling moisture of tobacco leaves in tobacco shred making process |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004021840U1 (en) * | 2000-10-03 | 2011-09-29 | G.D Società per Azioni | Machine for processing tobacco products |
CN103598668A (en) * | 2013-12-05 | 2014-02-26 | 福建中烟工业有限责任公司 | Tobacco leaf shredding processing method for controlling water ratio of material |
CN105476055A (en) * | 2015-12-22 | 2016-04-13 | 河南中烟工业有限责任公司 | Method for improving stability of water content of loosening and conditioning outlet |
CN105520183A (en) * | 2015-12-31 | 2016-04-27 | 山东中烟工业有限责任公司 | Method for improving moisture stability of outlet of loosening and conditioning machine |
CN105595390A (en) * | 2015-12-30 | 2016-05-25 | 山东中烟工业有限责任公司 | Method for improving stability of outlet moisture of stem moistening machine in stub bar stage |
CN105628705A (en) * | 2015-12-22 | 2016-06-01 | 河南中烟工业有限责任公司 | Automatic deviation detection, alarm and rectification method for moisture meters in loosening and conditioning process |
-
2017
- 2017-10-30 CN CN201711033639.XA patent/CN107797536B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004021840U1 (en) * | 2000-10-03 | 2011-09-29 | G.D Società per Azioni | Machine for processing tobacco products |
CN103598668A (en) * | 2013-12-05 | 2014-02-26 | 福建中烟工业有限责任公司 | Tobacco leaf shredding processing method for controlling water ratio of material |
CN105476055A (en) * | 2015-12-22 | 2016-04-13 | 河南中烟工业有限责任公司 | Method for improving stability of water content of loosening and conditioning outlet |
CN105628705A (en) * | 2015-12-22 | 2016-06-01 | 河南中烟工业有限责任公司 | Automatic deviation detection, alarm and rectification method for moisture meters in loosening and conditioning process |
CN105595390A (en) * | 2015-12-30 | 2016-05-25 | 山东中烟工业有限责任公司 | Method for improving stability of outlet moisture of stem moistening machine in stub bar stage |
CN105520183A (en) * | 2015-12-31 | 2016-04-27 | 山东中烟工业有限责任公司 | Method for improving moisture stability of outlet of loosening and conditioning machine |
Non-Patent Citations (1)
Title |
---|
梗丝超级回潮机含水率控制系统的改进;邱柳明;《烟草科技》;20161226;第49卷(第12期);第86-89页 * |
Also Published As
Publication number | Publication date |
---|---|
CN107797536A (en) | 2018-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107797536B (en) | It is a kind of to improve the control method for cutting rear cut tobacco moisture up to standard rate | |
CN203556567U (en) | Multi-level winnowing closed-loop control system for automatic sliver rejection | |
CN106617251B (en) | A kind of beating and double roasting processing method of raw tobacco material | |
CN105476055B (en) | It is a kind of to improve the method that loosening and gaining moisture exports moisture content stability | |
CN106418656B (en) | A kind of humidity control method and device of tobacco cutting production | |
CN103344530B (en) | Soft measurement method for granularity of cement raw material grinded by ball mill | |
CN108303896A (en) | Ditch shutter intelligent control method and device | |
CN103662680B (en) | A kind of revolution metering device and metering method thereof | |
CN102626255B (en) | Control method for synthesizing tobacco primary processing flavoring accuracy calculated value | |
CN106932298A (en) | The equal value measurement method of tobacco fill value in a kind of container | |
CN102221824A (en) | Bowl mill ore-feeding amount intelligent control apparatus | |
CN103494316A (en) | Method of dividing batches of re-baked tobacco leaves according to weight | |
CN106444361A (en) | Control method for adding water into mixture of sintering machine | |
CN110427061A (en) | A kind of control system and method for tobacco production | |
CN1868346A (en) | Automatic control method for leaf beating machine set | |
CN101611922B (en) | Method for improving material water ratio uniformity after charging | |
CN105628705A (en) | Automatic deviation detection, alarm and rectification method for moisture meters in loosening and conditioning process | |
CN101995845B (en) | Field programmable gate array (FPGA)-based auto-leveling control system and method | |
CN113040417B (en) | Method and device for regulating and controlling stem sorting according to real-time online detection of stem-to-stem ratio | |
CN106617245B (en) | Selection by winnowing exports method for controlling water content, device and system to expanded cut tobacco on the spot | |
CN115169751B (en) | Method and system for improving maintenance quality of traditional Chinese medicine decoction pieces | |
CN106893793A (en) | The monitoring method of real-time coal powder injection rate | |
CN106666818A (en) | Method for controlling rejecting quantity of slivers in finished cut tobaccos on cigarette making machine | |
CN101923317A (en) | Real-time dynamic adjustment method for sensitivity voltage of color selector | |
CN102011220A (en) | Fuzzy-controller-based autolevelling control system and control method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190930 Address after: 650231, 367 Jin Hong Road, Wuhua District, Yunnan, Kunming Applicant after: Hongyun Honghe Tobacco (Group) Co., Ltd. Address before: 833200 Hubei Road, Kanas, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, No. 306 Applicant before: Hongyun Honghe Tobacco (Group) Co., Ltd. Xinjiang Cigarette Factory |
|
GR01 | Patent grant | ||
GR01 | Patent grant |