CN114027547A - Method for solving precipitation generated in reconstituted tobacco coating liquid preparation process - Google Patents
Method for solving precipitation generated in reconstituted tobacco coating liquid preparation process Download PDFInfo
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- CN114027547A CN114027547A CN202111311124.8A CN202111311124A CN114027547A CN 114027547 A CN114027547 A CN 114027547A CN 202111311124 A CN202111311124 A CN 202111311124A CN 114027547 A CN114027547 A CN 114027547A
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- Prior art keywords
- coating liquid
- tobacco
- preparation process
- reconstituted tobacco
- solving
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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
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
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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
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
Abstract
The invention provides a method for solving the problem of precipitation generated in the preparation process of reconstituted tobacco coating liquid. The method specifically comprises the following steps: 1) adding a scale inhibitor into the tobacco concentrated solution for heating and stirring treatment; 2) adding organic acid potassium salt, a lining material and the like into the solution prepared in 1) to prepare a coating liquid; the tobacco coating liquid prepared by the method is completely free of precipitation, the phenomenon that a centrifugal machine is used for carrying out precipitation treatment on the coating liquid in a production field is avoided, energy is saved, smooth production is guaranteed, meanwhile, the loss of effective substances of tobacco is reduced, and the quality of reconstituted tobacco is improved.
Description
Technical Field
The invention belongs to the field of reconstituted tobacco by a paper-making method, and particularly relates to a method for solving the problem of precipitation generated in the preparation process of a reconstituted tobacco coating liquid.
Background
The paper-making method for reproducing tobacco leaf is characterized by that the waste tobacco material produced in the course of cigarette production of tobacco stem, tobacco powder or shredded tobacco flake is used as raw material, the tobacco flake powder and tobacco stem after water extraction are undergone the processes of mixing and pulping treatment, then the pulp material is fed on paper-making machine to make them into form, and the extract liquor is concentrated, etc. and then coated on the sheet base. The main procedures comprise: raw material pretreatment, extraction, coating liquid preparation, pulping, papermaking, slitting and packaging and the like.
The coating liquid preparation process is a key restriction process of the internal quality of the paper-making reconstituted tobacco, and the preparation process mainly comprises the step of adding substances such as lining materials, potassium salts (such as potassium citrate) and the like into the tobacco concentrated solution and mixing to obtain the tobacco coating liquid. The organic acid potassium salt is mainly added to improve the combustibility of the reconstituted tobacco. However, it was found that precipitation often occurred in the coating liquid tank and the pipe for transporting the coating liquid after the addition of the potassium salt in the preparation of the coating liquid. The precipitation can influence the production rhythm, and the pipeline is blockked up by the precipitate, reduces coating liquid pumping efficiency, can even cause the shut down because of the pipeline jam. The existing process condition is that the coating liquid is generally removed from the precipitate through a centrifugal machine, and the precipitate more or less wraps effective substances in the tobacco, so that the product quality of the reconstituted tobacco is influenced. There is no prior art to prevent precipitation.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a method for solving the problem of precipitation generated in the preparation process of reconstituted tobacco coating liquid, so as to overcome the problems that the quality of reconstituted tobacco is influenced and the production cost is increased by treating the coating liquid by using a centrifugal machine in the prior art.
The applicant has found that the precipitation generated during the preparation of the reconstituted tobacco coating liquid is mainly caused by the fact that the tobacco raw material contains a certain amount of alkaline earth metal ions such as calcium and magnesium, and the alkaline earth metal ions further exist in the tobacco concentrated liquid in a free ionic state. In the process of preparing the coating liquid, alkaline earth metal ions and organic acid potassium salt in the tobacco concentrated liquid react to generate precipitation, further the viscosity of the coating liquid is increased, and the reconstituted tobacco obtained after coating is easy to generate quality problems such as stickiness, caking and the like.
In the invention, the antisludging agent is added into the tobacco concentrated solution in the process of preparing the coating liquid, and the antisludging agent and alkaline earth metal ions are subjected to a complex reaction, so that the alkaline earth metal ions and organic potassium are prevented from reacting to generate precipitates.
In order to achieve the above and other related objects, the present invention provides a method for solving the problem of precipitation generated during the preparation of reconstituted tobacco coating liquid, comprising the following steps:
1) adding the scale inhibitor into the tobacco concentrated solution, and heating and stirring to obtain a mixed solution;
2) adding an organic acid potassium salt and a lining to the mixed solution prepared in step 1) to prepare a coating liquid.
Preferably, in step 1), the scale inhibitor is one or more of disodium ethylenediamine tetraacetic acid, sodium pyrophosphate and sodium polyphosphate.
Preferably, in the step 1), the weight ratio of the scale inhibitor to the tobacco concentrated solution is 0.2-5: 100.
preferably, in the step 2), the organic acid potassium salt is one or two of potassium citrate and potassium malate.
Preferably, in the step 2), the lining material is a substance capable of perfuming the reconstituted tobacco.
As mentioned above, the method for solving the problem of precipitation generated in the preparation process of the reconstituted tobacco coating liquid has the following beneficial effects:
the method for preparing the reconstituted tobacco coating liquid has the advantages that the problem that the reconstituted tobacco coating liquid prepared by the method generates precipitates in the preparation process is solved, the precipitation treatment of the coating liquid by using a centrifugal machine in a production field is avoided, the production cost is reduced, and the smooth production is ensured. Meanwhile, the loss of effective substances of the tobacco is reduced, and the quality of the reconstituted tobacco is improved.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The invention provides a method for solving the problem of precipitation generated in the preparation process of reconstituted tobacco coating liquid, which comprises the following steps:
1) adding the scale inhibitor into the tobacco concentrated solution, and heating and stirring to obtain a mixed solution;
2) adding an organic acid potassium salt and a lining to the mixed solution prepared in step 1) to prepare a coating liquid.
The method for solving the problem of precipitation generated in the preparation process of the reconstituted tobacco coating liquid comprises the steps of firstly adding a scale inhibitor into a prepared tobacco concentrated solution, carrying out a complex reaction of the scale inhibitor and alkaline earth metal ions such as calcium ions and magnesium ions in the concentrated solution under the conditions of heating and stirring to prevent the alkaline earth metal ions from reacting with organic potassium to generate precipitation, then adding organic acid potassium salt and lining materials to prepare the reconstituted tobacco coating liquid, so that the reconstituted tobacco coating liquid does not generate precipitation in the preparation process, and the fragrance of tobacco is kept.
In the method for solving the problem of precipitation generated in the preparation process of the reconstituted tobacco coating liquid, the tobacco concentrated solution can be prepared by a conventional method, for example, concentration after water leaching is adopted. The raw material of the tobacco concentrated solution can be selected from waste tobacco materials such as tobacco stems, tobacco powder, broken tobacco flakes and the like. In a preferred embodiment, the tobacco concentrate is prepared by the steps of: weighing tobacco flakes, adding tobacco powder and tobacco stems according to the ratio of tobacco flakes to tobacco powder to tobacco stems being 3:2:5, adding 60 ℃ hot water according to the ratio of material to liquid being 1:5.5, and keeping the temperature of 60 ℃ water bath for 30 min; and filtering the obtained liquid, centrifuging, and distilling the centrifuged liquid under reduced pressure to obtain the tobacco concentrated solution.
The density of the tobacco concentrated solution can be 1.17-1.22 g/cm3For example, 1.17 to 1.18g/cm3、1.18～1.20g/cm3Or 1.20 to 1.22g/cm3Preferably from 1.18 to 1.20g/cm3。
In an alternative embodiment, the method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process comprises the following steps: the scale inhibitor can be one or more of disodium ethylene diamine tetraacetate, sodium pyrophosphate and sodium polyphosphate, and is preferably one or two of disodium ethylene diamine tetraacetate and sodium pyrophosphate. The weight ratio of the scale inhibitor to the tobacco concentrated solution can be 0.2-5: 100, for example, 0.2 to 0.5: 100. 0.5-3: 100. 3-4: 100 or 4 to 5:100, preferably 0.5-3: 100.
in an alternative embodiment, the method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process comprises the following steps: the heating temperature in the heating and stirring treatment may be 40 to 70 ℃, for example, 40 ℃, 45 ℃, 50 ℃, 55 ℃, 60 ℃, 65 ℃ or 70 ℃. The stirring speed may be from 100 to 500 revolutions/min, for example from 100 to 200 revolutions/min, from 200 to 300 revolutions/min, from 300 to 400 revolutions/min or from 400 to 500 revolutions/min. The stirring time may be 30 min.
In an alternative embodiment, the method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process comprises the following steps: the organic acid potassium salt can be one or two of potassium citrate and potassium malate. The weight ratio of the organic acid potassium salt to the tobacco concentrated solution can be 0.5-5: 100 is, for example, 0.5 to 1.0:100, 1.0 to 2.5:100, 2.5 to 3.5:100, 3.5 to 4.5:100, or 4.5 to 5: 100.
The lining material can be substances capable of perfuming reconstituted tobacco, such as tobacco alcohol extract, tobacco supercritical extract, etc. The added amount of the flavoring lining is usually 0.05-2%.
The method for solving the problem of precipitation generated in the preparation process of the reconstituted tobacco coating liquid, provided by the invention, solves the problems that the quality of the reconstituted tobacco is influenced and the production cost is increased by treating the coating liquid by using a centrifugal machine in the prior art.
Example 1
Preparation of coating liquid a, comprising the steps of:
1) 100g of the powder with a density of 1.19g/cm was weighed out3Adding 1.2g disodium edetate into the tobacco concentrated solution, stirring at 60 deg.C and 300 r/min for 30min to obtain mixed solution;
2) 1.5g of potassium citrate and 0.5g of flavored lining were added to the mixed solution to prepare a tobacco coating solution free of precipitation.
Preparation of coating liquid B:
100g of the powder with a density of 1.19g/cm was weighed out3The tobacco concentrate was prepared by adding 1.5g of potassium citrate and 0.5g of flavoring lining material to the mixed solution to prepare a tobacco coating liquid.
Table 1 shows the amounts of centrifugal precipitates of the reconstituted tobacco coating liquid (a) prepared in examples and the reconstituted tobacco coating liquid (B) to which no scale inhibitor was added.
TABLE 1 amount of centrifugal precipitation of coating liquid for reconstituted tobacco
Note: the coating liquid is centrifuged for 5min at 3000 r/min.
Example 2
Coating solutions were prepared as in example 1 with the parameters varied as shown in table 2:
TABLE 2
The coating solutions in Table 2 were centrifuged to determine the amount of precipitates, and the results are shown in Table 3
TABLE 3
| Coating liquid sample | Amount of precipitate (wt%) |
| Example 1 | 0％ |
| Example 2 | 8.02％ |
| Example 3 | 0％ |
| Example 4 | 0％ |
| Example 5 | 1.25％ |
| Example 6 | 13.78％ |
| Example 7 | 0％ |
| Example 8 | 1.38％ |
| Example 9 | 2.52％ |
| Comparative example 1 | 12.20％ |
| Comparative example 2 | 4.85％ |
| Comparative example 3 | 15.56％ |
| Comparative example 4 | 11.05％ |
| Comparative example 5 | 0％ |
| Comparative example 6 | 3.56％ |
| Comparative example 7 | 11.95％ |
The data in table 1 and table 2 show that: the scale inhibitor has the effects that: disodium ethylenediamine tetraacetate > sodium pyrophosphate > sodium polyphosphate. Not all scale inhibitors are suitable for the scheme, but the scale inhibitor sodium hexametaphosphate is added into the concentrated solution to generate more precipitates, which is caused by the fact that the sodium hexametaphosphate is not easy to dissolve in the concentrated solution of the tobacco. The proper temperature of the scale inhibitor is 40-70 ℃, and the reaction effect is influenced by overhigh or overlow temperature. With the increase of the dosage of the scale inhibitor, the scale inhibition effect is better, but the excessive scale inhibitor causes waste.
In conclusion, the method for solving the problem of precipitation generated in the preparation process of the reconstituted tobacco coating liquid effectively solves the problems that the coating liquid prepared in the prior art is easy to generate precipitation, so that the pipeline is blocked, and the quality of the tobacco product is reduced, and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A method for solving the problem of precipitation generated in the preparation process of reconstituted tobacco coating liquid is characterized by comprising the following steps:
1) adding the scale inhibitor into the tobacco concentrated solution, and heating and stirring to obtain a mixed solution;
2) adding an organic acid potassium salt and a lining to the mixed solution prepared in step 1) to prepare a coating liquid.
2. The method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 1, wherein the method comprises the following steps: in the step 1), the density of the tobacco concentrated solution is 1.17-1.22 g/cm3。
3. The method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 2, wherein the method comprises the following steps: the density of the tobacco concentrated solution is 1.18-1.20 g/cm3。
4. The method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 1, wherein the method comprises the following steps: in the step 1), the scale inhibitor is one or more of disodium ethylene diamine tetraacetate, sodium pyrophosphate and sodium polyphosphate.
5. The method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 1, wherein the method comprises the following steps: in the step 1), the weight ratio of the scale inhibitor to the tobacco concentrated solution is 0.2-5: 100.
6. the method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 5, wherein the method comprises the following steps: the weight ratio of the scale inhibitor to the tobacco concentrated solution is 0.5-3: 100.
7. the method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 1, wherein the method comprises the following steps: in the step 1), the heating temperature is 40-70 ℃;
and/or the stirring speed is 100-500 r/min.
8. The method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 1, wherein the method comprises the following steps: in the step 2), the organic acid potassium salt is one or two of potassium citrate and potassium malate.
9. The method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 1, wherein the method comprises the following steps: in the step 2), the weight ratio of the organic acid potassium salt to the tobacco concentrated solution is 0.5-5: 100.
10. the method for solving the problem of precipitation generated in the reconstituted tobacco coating liquid preparation process according to claim 1, wherein the method comprises the following steps: in the step 2), the lining material is a substance capable of perfuming the reconstituted tobacco.
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| GB1170858A (en) * | 1966-06-16 | 1969-11-19 | Philip Morris Inc | Tobacco Substitute and Method of Making the Same |
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| CN103948163A (en) * | 2014-04-24 | 2014-07-30 | 上海烟草集团有限责任公司 | Method for reducing content of reducing sugar in reconstituted tobacco |
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| CN107981404A (en) * | 2017-12-06 | 2018-05-04 | 湖北中烟工业有限责任公司 | A kind of coating fluid for improving papermaking-method reconstituted tobaccos combustibility and preparation method thereof |
| CN110679991A (en) * | 2019-10-09 | 2020-01-14 | 河南卷烟工业烟草薄片有限公司 | Method for reducing viscosity of reconstituted tobacco coating liquid |
| CN110810894A (en) * | 2019-10-31 | 2020-02-21 | 上海烟草集团有限责任公司 | Reconstituted tobacco coating liquid and preparation method thereof |
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2021
- 2021-11-05 CN CN202111311124.8A patent/CN114027547B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1170858A (en) * | 1966-06-16 | 1969-11-19 | Philip Morris Inc | Tobacco Substitute and Method of Making the Same |
| CN101781640A (en) * | 2010-01-14 | 2010-07-21 | 云南万芳生物技术有限公司 | Enzyme preparation using chlorphyllase as tobacco processing accessories, preparation method and application method |
| CN103535850A (en) * | 2013-09-30 | 2014-01-29 | 上海烟草集团有限责任公司 | Acid coating liquid and application of acid coating liquid in reconstituted tobacco |
| CN103948163A (en) * | 2014-04-24 | 2014-07-30 | 上海烟草集团有限责任公司 | Method for reducing content of reducing sugar in reconstituted tobacco |
| CN105815805A (en) * | 2016-06-01 | 2016-08-03 | 江苏中烟工业有限责任公司 | Method for reducing concentration scaling of tobacco-papermaking-method-reconstruction extracting solution |
| CN107981404A (en) * | 2017-12-06 | 2018-05-04 | 湖北中烟工业有限责任公司 | A kind of coating fluid for improving papermaking-method reconstituted tobaccos combustibility and preparation method thereof |
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| CN110810894A (en) * | 2019-10-31 | 2020-02-21 | 上海烟草集团有限责任公司 | Reconstituted tobacco coating liquid and preparation method thereof |
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