CN112841696A - Method for improving blending precision of tobacco materials - Google Patents
Method for improving blending precision of tobacco materials Download PDFInfo
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- CN112841696A CN112841696A CN202011569214.2A CN202011569214A CN112841696A CN 112841696 A CN112841696 A CN 112841696A CN 202011569214 A CN202011569214 A CN 202011569214A CN 112841696 A CN112841696 A CN 112841696A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
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Abstract
The invention discloses a method for improving blending precision of tobacco materials, belonging to the field of tobacco. The method can keep the instantaneous blending proportion of the dry matter content of the tobacco materials in each batch consistent with the tobacco shred formula proportion, can monitor the accumulated blending precision of the batches in real time, and simultaneously reduces the fluctuation of the blending proportion of the dry matter content caused by the fluctuation of the moisture of the materials and the like in different batches, thereby improving the blending precision of the tobacco materials, further improving the tobacco shred formula precision, reducing the fluctuation of the product quality, and having the advantages of low investment cost, simplicity and high efficiency compared with other methods.
Description
Technical Field
The invention belongs to a cigarette processing technology, and particularly relates to a method for improving blending precision of tobacco materials.
Background
The cigarette tobacco shred formula components generally comprise cut tobacco leaves, expanded cut tobacco, reconstituted cut tobacco, cut stems and the proportion of each component. The tobacco shred formula design is generally carried out in a laboratory, the tobacco shred formula is finally formed by adjusting the proportion of each component, the components are subjected to long-time moisture balance treatment in advance, the moisture content is basically consistent, and the proportion of dry matters of each component is consistent with that of the tobacco shred formula. The cut tobacco blending process is a key link for realizing cut tobacco formulation, and the process task is to blend tobacco materials such as cut stems, expanded cut tobacco, reconstituted cut tobacco and the like into cut tobacco uniformly according to a proportion, wherein the blending precision directly influences the integrity of the cut tobacco formulation, and further influences the stability of the product quality.
The cut tobacco processing production of most cigarette enterprises is generally to process and produce the cut tobacco, the expanded cut tobacco, the reconstituted cut tobacco and the cut stem independently, wherein the proportion of the expanded cut tobacco, the reconstituted cut tobacco, the cut stem and other tobacco materials is generally small, the tobacco materials are processed and placed in a cut tobacco storage cabinet for standby in advance, the cut tobacco is uniformly mixed according to the formula proportion during the cut tobacco production, although the mixing proportion meets the requirement, the water content of each tobacco material in the mixing time is different along with the difference of the storage environment and the storage time, the batch difference of the water content in the cut tobacco storage cabinet and the like, the water content of the cut tobacco is fluctuated during the mixing time, and the proportion of dry matters of each component after the mixing and the cut tobacco formula are different, so that the product quality is.
The current solutions are mainly of two kinds:
firstly store the tobacco material in the storage cabinet that has constant temperature and humidity control environment, or carry out the vanning closing cap with the tobacco material, it is stable to keep moisture as far as possible, directly goes out the cabinet during the use or through the unpacking, turn over the case after, mix in the cut tobacco through the electronic scale ration. The defects that a factory building needs to be modified, a constant temperature and humidity control system is added, the modification investment cost is high, the energy consumption of the constant temperature and humidity system is large, the consumed time is long, and continuous production is not facilitated.
Secondly, the tobacco material is humidified or dried during blending proposed in the patent CN201510097653.0, so that the tobacco material and cut tobacco are blended after the moisture is the same. The defects are that after the tobacco material is humidified or dried, the surface and the inside of the material can be consistent in moisture for a relatively long time, the uniformity of the moisture after the tobacco material is humidified or dried in a short time is not high, and the control has hysteresis.
Disclosure of Invention
The method can keep the instantaneous blending proportion of the dry matter content of the tobacco materials in each batch consistent with the tobacco shred formula proportion, can monitor the accumulated blending precision of the batches in real time, and simultaneously reduces the fluctuation of the blending proportion of the dry matter content caused by the fluctuation of the moisture of the materials and the like in different batches, thereby improving the blending precision of the tobacco materials, further improving the tobacco shred formula precision, reducing the fluctuation of the product quality, and having the advantages of low investment cost, simplicity and high efficiency compared with other methods.
In order to realize the purpose, the invention is realized by adopting the following technical scheme: the method is realized by adopting the following steps: step 1, after moisture detection, the cut tobacco is compared and calculated by a measuring electronic scale to acquire the following information: s1-n、WT1、W1-n、L1-n
S1-n: the average value of the water content of the cut tobacco detected by a water content meter at the nth unit time (such as 2 minutes);
WT1: starting from the batchThe cumulative amount of material;
W1-n: the accumulated quantity of the tobacco leaves collected by the electronic scale in the nth unit time;
L1-n: the average value of the instantaneous flow collected by the electronic scale at the nth unit time of the cut tobacco;
step 2, acquiring the following information by a comparison computing system through a flow control electronic scale after the tobacco material is subjected to moisture detection: s2-n、WT2、W2-n、L2-n
S2-n: the average value of the tobacco shred moisture detected by the nth unit time moisture meter of the tobacco material;
WT2: starting the dry matter accumulation amount of the tobacco materials from the batch;
W2-n: the accumulated amount of tobacco materials collected by the electronic scale in the nth unit time;
L2-n: the flow set value collected by the electronic scale in the nth unit time of the tobacco material;
step 3, comparing the calculation system and automatically calculating the accumulated blending precision epsilon and the accumulated blending proportion PT in real time to play a role in real-time monitoring;
step 4, controlling a stub bar and a positive production stage, and improving the accuracy of the instantaneous blending proportion by regulating and controlling the instantaneous flow L2-n of the tobacco material in real time;
and 5, controlling the material tail stage, and improving the batch blending precision by quantitatively blending the tobacco material.
Preferably, the step 3, the comparison calculation system and the real-time automatic calculation of the accumulated blending precision epsilon and the accumulated blending proportion PTAnd the real-time monitoring function is realized.
ε＝|P-WT2/WT1|/P×100％
PT＝WT2/WT1×100％
In the formula:
epsilon: the accumulative blending precision is better when the value is smaller, and the requirement of the industry specification is less than 1.0 percent
PT: cumulative blending ratio
P: standard mixing proportion of tobacco material
Wherein WT1、WT2The calculation formula is as follows:
WT1＝W1-1×(100—S1-1)+W1-2×(100—S1-2)+W1-3×(100—S1-3)+......+W1-n×(100—S1-n)
WT2＝W2-1×(100—S2-1)+W2-2×(100—S2-2)+W2-3×(100—S2-3)+......+W2-n×(100—S2-n)。
preferably, the step 4, the stub bar and the production stage are controlled, and the instantaneous flow of the tobacco material is regulated and controlled in real time to improve the instantaneous blending proportion precision;
the comparison calculation system calculates the proportionality coefficient S according to the information of the tobacco shred and tobacco material moisture detection, wherein S is (100-S)1-n)/(100-S2-n) And feeding back the information to the tobacco material flow control electronic scale, and feeding back the instantaneous flow mean value L fed back by the system according to the proportionality coefficient S and the cut tobacco metering electronic scale1-nAutomatically calculating and controlling the set value L of the next unit time of the flow of the tobacco material2-n.
L2-n＝L1-nxSxP (when ∈)<1.0 percent), wherein P is the standard blending proportion of the tobacco material;
if the epsilon is more than or equal to 1.0 percent, manual regulation can be carried out, and the condition is less under the control level of the current industry, and the regulation coefficient V can be introduced into the L pair in the blending production process2-nFurther modify control when L2-n＝L1-nXSXP V (when ε is 1.0%) and the value of V is determined by WT2/WT1The information such as the ratio and the P value is manually set.
Preferably, the step 5 and the material tail stage are controlled, and the batch blending precision is improved by quantitatively blending the tobacco material amount;
at the tail stage, the flow of tobacco shreds is in a great continuous descending trend, when the flow is reduced to be lower, blending of tobacco materials can be suspended in N minutes before the end of the batch according to historical data, and when all the tobacco shreds pass through the electronic weighing scale, the tobacco shreds are blendedAutomatically calculating the required supplement amount W of tobacco material2N；
W2N＝WT1×P—WT2In the formula W2NThe amount of the tobacco material to be supplemented; all the cut tobacco passes through the electronic weighing scale, the system feeds back signals to the electronic weighing scale for flow control, and the W is quantitatively supplemented with small flow2NWeight of tobacco material.
The invention has the beneficial effects that:
1. the method has small requirement on storage environment, does not need to reform a factory building and increase a constant temperature and humidity control system, only needs to configure two moisture detectors and establish a comparison calculation system, and has small investment and low maintenance cost.
2. Compared with the method of humidifying or drying the tobacco material during blending to enable the tobacco material to be blended after the moisture of the tobacco material is the same as that of cut tobacco, the method does not need to process the material, can achieve the same effect only by comparing, calculating and controlling the flow, and is simpler and more efficient.
The method can keep the instantaneous blending proportion of the dry matter content of the tobacco materials in each batch consistent with the tobacco shred formula proportion, can monitor the accumulated blending precision of the batches in real time, and simultaneously reduces the fluctuation of the blending proportion of the dry matter content caused by the fluctuation of the moisture of the materials and the like in different batches, thereby improving the blending precision of the tobacco materials, further improving the tobacco shred formula precision, reducing the fluctuation of the product quality, and having the advantages of low investment cost, simplicity and high efficiency compared with other methods.
Drawings
FIG. 1 is a process flow diagram for improving blending accuracy of the present invention
Detailed Description
In order to facilitate the understanding and implementation of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
1. After moisture detection, the cut tobacco passes through a metering electronic scale, and a comparison computing system acquires the following information: s1-n、WT1、W1-n、L1-n。
S1-n: the nth unit time of the cut tobacco (such as 2 minutes)Bell) moisture meter.
WT1: starting from the batch, the accumulated amount of dry matter of the cut leaves.
W1-n: and the accumulated quantity of the tobacco leaves collected by the electronic scale at the nth unit time.
L1-n: and (4) the average value of the instantaneous flow collected by the electronic scale at the nth unit time of the cut tobacco.
2. The tobacco material is subjected to moisture detection and then is compared with a computing system to acquire the following information through a flow control electronic scale: s2-n、WT2、W2-n、L2-n。
S2-n: the average value of the water content of the tobacco leaf shreds detected by a water content meter at the nth unit time (such as 2 minutes).
WT2: starting from the batch, the cumulative amount of dry matter in the tobacco material.
W2-n: and the accumulated amount of the tobacco materials collected by the electronic scale at the nth unit time.
L2-n: and (4) the flow set value collected by the electronic scale at the nth unit time of the tobacco material.
3. Comparing and calculating the system and automatically calculating the accumulated blending precision epsilon and the accumulated blending proportion P in real timeTAnd the real-time monitoring function is realized.
ε＝|P-WT2/WT1|/P×100％
PT＝WT2/WT1×100％
In the formula:
epsilon: the cumulative blending accuracy is as small as possible, and the industry standard requires < 1.0%.
PT: cumulative blending ratio
P: standard mixing proportion of tobacco material
Wherein WT1、WT2The calculation formula is as follows:
WT1＝W1-1×(100—S1-1)+W1-2×(100—S1-2)+W1-3×(100—S1-3)+......+W1-n×(100—S1-n)
WT2＝W2-1×(100—S2-1)+W2-2×(100—S2-2)+W2-3×(100—S2-3)+......+W2-n×(100—S2-n)
4. the material head and the production stage are controlled, and the instantaneous flow of the tobacco material is regulated and controlled in real time to improve the instantaneous blending proportion precision.
The comparison calculation system calculates the proportionality coefficient S according to the information of the tobacco shred and tobacco material moisture detection, wherein S is (100-S)1-n)/(100-S2-n). Feeding back the information to the tobacco material flow control electronic scale, and feeding back the instantaneous flow average value L according to the proportional coefficient S and the cut tobacco metering electronic scale1-nAutomatically calculating and controlling the set value L of the next unit time of the flow of the tobacco material2-n.
L2-n＝L1-nxSxP (when ∈)<1.0 percent), wherein P is the standard blending proportion of the tobacco materials.
If the epsilon is more than or equal to 1.0 percent, manual regulation and control can be carried out, and the situation is less in the control level of the current industry. At the moment, a regulation coefficient V to L can be introduced in the blending production process2-nFurther modify control when L2-n＝L1-nXSXP V (when ε is 1.0%) and the value of V is determined by WT2/WT1The information such as the ratio and the P value is manually set.
L2-n＝L1-nxSxP (when ∈)<1.0% of the total time)
L2-n＝L1-nXSXP.times.V (when ε ≧ 1.0%).
5. And controlling the material tail stage, and improving the batch blending precision by quantitatively blending the tobacco material.
In the tail stage, the flow of tobacco shreds is in a great continuous descending trend, when the flow is reduced to be lower, the flow tracking control of tobacco materials is difficult, the blending of the tobacco materials can be suspended in N minutes (for example, 3 minutes) before the end of a batch according to historical data, and when all the tobacco shreds pass through the electronic weighing scale, the system automatically calculates the required supplement amount W of the tobacco materials2N。
W2N＝WT1×P—WT2In the formula W2NThe required supplement amount for tobacco materials.
All the cut tobacco passes through the electronic weighing scale, the system feeds back signals to the electronic weighing scale for flow control, and the W is quantitatively supplemented with small flow2NWeight of tobacco material.
6. And (3) uniformly doping tobacco materials into the cut tobacco leaves, then feeding the cut tobacco into a cut tobacco mixing cabinet, and waiting for flavoring.
The working principle of the method is as follows: the instantaneous blending flow of the tobacco materials is quantitatively controlled by comparing and calculating the moisture of the tobacco materials and the cut tobacco, so that the instantaneous blending proportion of the dry matter content of the tobacco materials is consistent with the cut tobacco formula proportion, the blending precision of the tobacco materials is improved, and the aim of improving the cut tobacco formula precision is fulfilled.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A method for improving blending precision of tobacco materials is characterized in that: the method is realized by adopting the following steps: step 1, after moisture detection, the cut tobacco is compared and calculated by a measuring electronic scale to acquire the following information: s1-n、WT1、W1-n、L1-n
S1-n: the average value of the water content of the cut tobacco detected by a water content meter at the nth unit time (such as 2 minutes);
WT1: starting from the batch, the accumulated amount of dry matter of the cut tobacco leaves;
W1-n: the accumulated quantity of the tobacco leaves collected by the electronic scale in the nth unit time;
L1-n: the instantaneous flow collected by the electronic scale of the nth unit time of the cut tobaccoA value;
step 2, acquiring the following information by a comparison computing system through a flow control electronic scale after the tobacco material is subjected to moisture detection: s2-n、WT2、W2-n、L2-n
S2-n: the average value of the tobacco shred moisture detected by the nth unit time moisture meter of the tobacco material;
WT2: starting the dry matter accumulation amount of the tobacco materials from the batch;
W2-n: the accumulated amount of tobacco materials collected by the electronic scale in the nth unit time;
L2-n: the flow set value collected by the electronic scale in the nth unit time of the tobacco material;
step 3, comparing the calculation system and automatically calculating the accumulated blending precision epsilon and the accumulated blending proportion PT in real time to play a role in real-time monitoring;
step 4, controlling a stub bar and a positive production stage, and improving the accuracy of the instantaneous blending proportion by regulating and controlling the instantaneous flow L2-n of the tobacco material in real time;
and 5, controlling the material tail stage, and improving the batch blending precision by quantitatively blending the tobacco material.
2. A method of improving the blending accuracy of tobacco material as claimed in claim 1, wherein: step 3, comparing the calculation system and automatically calculating the accumulated blending precision epsilon and the accumulated blending proportion P in real timeTAnd the real-time monitoring function is realized.
ε＝|P-WT2/WT1|/P×100％
PT＝WT2/WT1×100％
In the formula:
epsilon: the accumulative blending precision is better when the value is smaller, and the requirement of the industry specification is less than 1.0 percent
PT: cumulative blending ratio
P: standard mixing proportion of tobacco material
Wherein WT1、WT2The calculation formula is as follows:
WT1＝W1-1×(100—S1-1)+W1-2×(100—S1-2)+W1-3×(100—S1-3)+......+W1-n×(100—S1-n)
WT2＝W2-1×(100—S2-1)+W2-2×(100—S2-2)+W2-3×(100—S2-3)+......+W2-n×(100—S2-n)。
3. a method of improving the blending accuracy of tobacco material according to claim 1 or 2, wherein: step 4, controlling the material head and the production stage, and improving the instantaneous blending proportion precision by regulating and controlling the instantaneous flow of the tobacco material in real time;
the comparison calculation system calculates the proportionality coefficient S according to the information of the tobacco shred and tobacco material moisture detection, wherein S is (100-S)1-n)/(100-S2-n) And feeding back the information to the tobacco material flow control electronic scale, and feeding back the instantaneous flow mean value L fed back by the system according to the proportionality coefficient S and the cut tobacco metering electronic scale1-nAutomatically calculating and controlling the set value L of the next unit time of the flow of the tobacco material2-n.
L2-n＝L1-nxSxP (when ∈)<1.0 percent), wherein P is the standard blending proportion of the tobacco material;
if the epsilon is more than or equal to 1.0 percent, manual regulation can be carried out, and the condition is less under the control level of the current industry, and the regulation coefficient V can be introduced into the L pair in the blending production process2-nFurther modify control when L2-n＝L1-nXSXP V (when ε is 1.0%) and the value of V is determined by WT2/WT1The information such as the ratio and the P value is manually set.
4. A method of improving the blending accuracy of tobacco material according to claim 1 or 2, wherein: step 5, controlling the material tail stage, and improving the batch blending precision by quantitatively blending the tobacco material amount;
at the stage of material tail, the flow of the cut tobacco is in a great continuous descending trend, and when the flow is reduced to be smaller than that of the cut tobaccoAt low time, blending of tobacco materials can be suspended in N minutes before the end of the batch according to historical data, and when all cut tobacco passes through the electronic weighing scale, the system automatically calculates the required supplement amount W of the tobacco materials2N；
W2N＝WT1×P—WT2In the formula W2NThe amount of the tobacco material to be supplemented; all the cut tobacco passes through the electronic weighing scale, the system feeds back signals to the electronic weighing scale for flow control, and the W is quantitatively supplemented with small flow2NWeight of tobacco material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662229A (en) * | 2021-07-14 | 2021-11-19 | 河南中烟工业有限责任公司 | Blending uniformity control method |
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Application publication date: 20210528 |