CN104223345A - Preprocessing method of tobacco stems in regenerated tobacco leaves - Google Patents
Preprocessing method of tobacco stems in regenerated tobacco leaves Download PDFInfo
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- CN104223345A CN104223345A CN201410539649.0A CN201410539649A CN104223345A CN 104223345 A CN104223345 A CN 104223345A CN 201410539649 A CN201410539649 A CN 201410539649A CN 104223345 A CN104223345 A CN 104223345A
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Abstract
The invention relates to a preprocessing method of tobacco stems in regenerated tobacco leaves. According to the technological process, the tobacco stems are subjected to softening resurgence through vacuum resurgence first, after vacuum resurgence, the tobacco stems are subjected to stem water washing, and the tobacco stems obtained after water washing are subjected to three-level continuous countercurrent extraction; and the extracted tobacco stems are subjected to the existing production technological process of paper-making process tobacco leaf regeneration for production. According to the method, tobacco stem extracting time can be shortened to 30-50 min, the tobacco stem obtaining rate can be improved to 70%-90%, and the physicochemical and sensory quality of regenerated tobacco leaf products can be effectively improved.
Description
Technical field
The invention belongs to technical field of tobacco processing, especially papermaking-method reconstituted tobaccos production field, relate to papermaking-method reconstituted tobaccos tobacco stalk pretreatment process further.
Background technology
Reconstituted tobacco is also known as recombination tobacco leaf, reconstituted tobacoo, homogeneous tobacco leaf.The external use papermaking-method reconstituted tobaccos that begins one's study from the fifties in last century, domestic papermaking-method reconstituted tobaccos industry development is all more late with starting, but development speed is very fast, current papermaking-method reconstituted tobaccos has become the important and indispensable raw material of Chinese-style cigarette, existing papermaking-method reconstituted tobaccos production technology mainly utilizes the offal produced in cigarette and beating and double roasting process, fragment, the materials such as offal, be equipped with other non-tobacco fibrous raw materials, the materials such as additive, through lixiviate, concentrated, making beating, manufacture paper with pulp, coating, dry, the process such as to cut, make the thin slice of shape close to natural tobacco.
Offal is one of primary raw material of papermaking-method reconstituted tobaccos, and its consumption generally can account for 30 ~ 80%, and offal, through technical process such as leaching, pull an oar and size mixing, can make physicochemical structure change, affect physicochemical property and the aesthetic quality of paper process tobacco leaf.Offal main component is cell wall substance, supplied materials moisture is generally about 11%, institutional framework is comparatively tight, not easily imbibition, in prior art, generally adopts 60 ~ 90 DEG C of hot water to carry out online water extraction as solvent, extraction time is shorter, softening profit rises, recovery rate is low to cause offal fully not absorb water, and during making beating, fiber is made broken comparatively large, directly affects product yield, manufactures paper with pulp and reconstituted tobacco end product quality.
Chinese patent CN1739409A discloses a kind of reconstituted tobacco offal pulping process, offal is soaked in the hot water of 40 ~ 70 DEG C extraction in 1 ~ 2.5 hour, through Separation of Solid and Liquid, obtains offal and extract, then separate fibre, and extract is discarded.The method can improve the fine quality of offal solution and reconstituted tobacco filling capacity, but extraction time is long, on-line continuous production difficulty is large, water consumption is high, waste obstructs liquid in a large number.
Chinese patent CN102499442A discloses a kind of stem pretreatment process for reconstituted tobacco, and offal is carried out sofening treatment through spiral steam preheating machine, and then enters existing technological process process.The method can improve offal and extract yield and pulp yield, improves the problem that product flexibility is poor.But because offal institutional framework is fine and close, be only difficult to fundamentally to solve the offal profit that absorbs water with a step process and rise problem.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the preprocess method of offal in a kind of reconstituted tobacco is provided, extracting yield for improving offal in reconstituted tobacco production process, improving offal imbibition and separating fine effect, and improving reconstituted tobacco product physical and chemical index and aesthetic quality.
Consider the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
A kind of pretreated method of raising reconstituted tobacco offal, it comprises the following steps:
Step one, vacuum conditioning
Offal is placed in vacuum conditioner cavity, being evacuated to vacuum is-0.080 ~-0.098MPa, carry out warming and humidifying to offal again, warming and humidifying final vacuum degree is-0.030 ~-0.060MPa, and described offal carries out vacuum conditioning total time under being placed in this space be 15 ~ 30min;
Step 2, washing stalk
Offal after vacuum conditioning being placed in temperature is that the water of 45 ~ 75 DEG C is washed, and the time of washing is 0.2 ~ 1.0min;
Step 3, three grades of Continuous Countercurrent Extraction
One-level counter-flow extraction, be immersed in by offal in the warm water under following process conditions, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 55 ~ 65 DEG C, solid-to-liquid ratio is 1:3 ~ 1:5, extraction time is 5 ~ 10min;
Secondary counter-flow extraction, be immersed in by offal in the warm water under following process conditions, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 65 ~ 75 DEG C, solid-to-liquid ratio is 1:5 ~ 1:9, extraction time is 10 ~ 20min;
Three stage countercurrents extract, and be immersed in by offal in the warm water under following process conditions, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 55 ~ 65 DEG C, solid-to-liquid ratio is 1:6 ~ 1:8, extraction time is 10 ~ 15min.
Compared with prior art, one of beneficial effect of the present invention is:
The preprocess method of offal in a kind of reconstituted tobacco of the present invention, (1) offal is after vacuum conditioning, performance enhancement that institutional framework is softening, water suction profit rises, extraction time can foreshorten to 30 ~ 50min by existing 80 ~ 120min, effectively improves production efficiency.
(2) offal extracts yield and can be increased to 70 ~ 90% by existing 40 ~ 60%.
(3) the fine effect of cabo expansion solution can be improved, improve follow-up making beating, manufacture paper with pulp and product reconstituted tobacco product physics and chemistry and aesthetic quality.
Accompanying drawing explanation
In order to clearer explanation present specification embodiment or technical scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, the accompanying drawing that the following describes is only the reference to some embodiments in present specification, for those skilled in the art, when not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows existing process chart schematic diagram.
Fig. 2 shows the preprocess method schematic flow sheet of offal in reconstituted tobacco according to an embodiment of the invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Shown in Figure 2:
One embodiment, the preprocess method of offal in a kind of reconstituted tobacco, it comprises the following steps:
Step one, vacuum conditioning
Be placed in by offal in vacuum conditioner cavity, being evacuated to vacuum is-0.080 ~-0.098MPa, is convenient to offal warming and humidifying under this condition of negative pressure;
Again to space humidification residing for offal, humidification rear space vacuum is-0.030 ~-0.060MPa, and described offal carries out vacuum conditioning total time under being placed in this space be 15 ~ 30min;
Step 2, washing stalk
Offal after vacuum conditioning being placed in temperature is that the water of 45 ~ 75 DEG C is washed, and the time of washing is 0.2 ~ 1.0min, is to be convenient under the warm water of 45 ~ 75 DEG C wash offal surface dirt off and be convenient to water suction profit rise in temperature;
Step 3, three grades of Continuous Countercurrent Extraction
One-level counter-flow extraction, be immersed in by offal in the warm water under following process conditions, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 55 ~ 65 DEG C, solid-to-liquid ratio is 1:3 ~ 1:5, extraction time is 5 ~ 10min;
Secondary counter-flow extraction, be immersed in by offal in the warm water under following process conditions, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 65 ~ 75 DEG C, solid-to-liquid ratio is 1:5 ~ 1:9 (solid-to-liquid ratio refers to offal and water), extraction time is 10 ~ 20min;
Three stage countercurrents extract, and be immersed in by offal in the warm water under following process conditions, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 55 ~ 65 DEG C, solid-to-liquid ratio is 1:6 ~ 1:8, extraction time is 10 ~ 15min.
Extraction can be made more abundant by adopting three grades of extractions.
Offal after extraction enters the existing technological process of production of papermaking-method reconstituted tobaccos and produces.
The present invention's vacuum conditioning used, washing stalk, Continuous Countercurrent Extraction equipment all can adopt existing equipment.
Another embodiment, offal will be fed intake after screening removal of impurities, with bale packing, be delivered to vacuum conditioner after computation weigh, suction is-0.085MPa, and humidification final vacuum degree is-0.045MPa, the vacuum conditioning time is 18min, offal after vacuum conditioning carries out washing stalk, and washing temperature is 55 DEG C, wash the stalk time is 0.3min, and the offal after washing carries out three grades of Continuous Countercurrent Extraction.
One-level counter-flow extraction technological parameter: mass flow is 500kg/h, water temperature is 56 DEG C, solid-to-liquid ratio is 1:3, extraction time is 6min;
Secondary counter-flow extraction technological parameter: mass flow is 500kg/h, water temperature is 70 DEG C, solid-to-liquid ratio is 1:6, extraction time is 13min;
Three stage countercurrent Extraction techniques: mass flow is 500kg/h, water temperature is 60 DEG C, solid-to-liquid ratio is 1:6, extraction time is 12min.
Offal after extraction enters the existing technological process of production of papermaking-method reconstituted tobaccos and produces.
Another embodiment, offal will be fed intake after screening removal of impurities, with bale packing, be delivered to vacuum conditioner after computation weigh, suction is-0.092MPa, and humidification final vacuum degree is-0.056MPa, the vacuum conditioning time is 25min, offal after vacuum conditioning carries out washing stalk, and washing temperature is 65 DEG C, wash the stalk time is 0.6min, and the offal after washing carries out three grades of Continuous Countercurrent Extraction.
One-level counter-flow extraction technological parameter: mass flow is 2000kg/h, water temperature is 60 DEG C, solid-to-liquid ratio is 1:5, extraction time is 8min;
Secondary counter-flow extraction technological parameter: mass flow is 2000kg/h, water temperature is 73 DEG C, solid-to-liquid ratio is 1:7, extraction time is 16min;
Three stage countercurrent Extraction techniques: mass flow is 2000kg/h, water temperature is 65 DEG C, solid-to-liquid ratio is 1:6, extraction time is 13min.
Offal after extraction enters the existing technological process of production of papermaking-method reconstituted tobaccos and produces.
Another embodiment, offal will be fed intake after screening removal of impurities, with bale packing, be delivered to vacuum conditioner after computation weigh, suction is-0.098MPa, and humidification final vacuum degree is-0.06MPa, the vacuum conditioning time is 30min, offal after vacuum conditioning carries out washing stalk, and washing temperature is 75 DEG C, wash the stalk time is 1.0min, and the offal after washing carries out three grades of Continuous Countercurrent Extraction.
One-level counter-flow extraction technological parameter: mass flow is 3000kg/h, water temperature is 65 DEG C, solid-to-liquid ratio is 1:5, extraction time is 10min;
Secondary counter-flow extraction technological parameter: mass flow is 3000kg/h, water temperature is 70 DEG C, solid-to-liquid ratio is 1:8, extraction time is 20min;
Three stage countercurrent Extraction techniques: mass flow is 3000kg/h, water temperature is 60 DEG C, solid-to-liquid ratio is 1:6, extraction time is 15min.
Offal after extraction enters the existing technological process of production of papermaking-method reconstituted tobaccos and produces.
The present invention's equipment such as screening removal of impurities, computation weigh, vacuum conditioning, washing stalk, Continuous Countercurrent Extraction used all can adopt existing tobacco business special technology equipment.
Present invention process is produced and the reconstituted tobacco sample of existing explained hereafter and the cigarette sample that rolls, carry out contrast according to tobacco business standard (YC/T16.3-2003) to detect, adopt the reconstituted tobacco product that the inventive method is produced, the physical indexs such as thickness, tensile strength, burn rate, Filling power, flexibility are obviously better than the reconstituted tobacco sample of existing explained hereafter, product chemical index is basically identical, reconstituted tobacco sample and cigarette sample aesthetic quality significantly promote, and main manifestations is that perfume quantity increases, xylon gas obviously reduces, excitant makes moderate progress.Illustrate that the reconstituted tobacco adopting present invention process method to produce has good effect and value.
Adopt the present invention offal extraction time can be foreshortened to 30 ~ 50min, offal extracts yield can be increased to 70 ~ 90%, and effectively can improve physics and chemistry and the aesthetic quality of reconstituted tobacco product.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of and claim open in the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (1)
1. the preprocess method of offal in reconstituted tobacco, is characterized in that it comprises the following steps:
Step one, vacuum conditioning
Offal is placed in vacuum conditioner cavity, being evacuated to vacuum is-0.080 ~-0.098MPa, carry out warming and humidifying to offal again, warming and humidifying final vacuum degree is-0.030 ~-0.060MPa, and described offal carries out vacuum conditioning total time under being placed in this space be 15 ~ 30min;
Step 2, washing stalk
Offal after vacuum conditioning being placed in temperature is that the water of 45 ~ 75 DEG C is washed, and the time of washing is 0.2 ~ 1.0min;
Step 3, three grades of Continuous Countercurrent Extraction
One-level counter-flow extraction, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 55 ~ 65 DEG C, solid-to-liquid ratio is 1:3 ~ 1:5, extraction time is 5 ~ 10min;
Secondary counter-flow extraction, its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 65 ~ 75 DEG C, solid-to-liquid ratio is 1:5 ~ 1:9, extraction time is 10 ~ 20min;
Three stage countercurrents extract, and its technological parameter is: mass flow is 500 ~ 3000kg/h, water temperature is 55 ~ 65 DEG C, solid-to-liquid ratio is 1:6 ~ 1:8, extraction time is 10 ~ 15min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107927896A (en) * | 2017-12-18 | 2018-04-20 | 云南昆船环保技术有限公司 | A kind of continuous countercurrent extraction process and its extraction system of reconstituted tobacco raw material offal |
| CN110108833A (en) * | 2019-05-24 | 2019-08-09 | 中国农业科学院烟草研究所 | A kind of measuring method of cigarette burn rate |
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| US5722431A (en) * | 1995-11-20 | 1998-03-03 | British-American Tobacco | Method and plant for treating tobacco leaves for the production of cut tobacco |
| EP1872670A1 (en) * | 2005-09-28 | 2008-01-02 | China Tobacco Human Industrial Corporation | Process for producing roasted tobacco sheet by paper-making process and roasted tobacco sheet produced thereby |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107927896A (en) * | 2017-12-18 | 2018-04-20 | 云南昆船环保技术有限公司 | A kind of continuous countercurrent extraction process and its extraction system of reconstituted tobacco raw material offal |
| CN110108833A (en) * | 2019-05-24 | 2019-08-09 | 中国农业科学院烟草研究所 | A kind of measuring method of cigarette burn rate |
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| CN104223345B (en) | 2016-03-02 |
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Effective date of registration: 20161230 Address after: Nanping Nan'an District of Chongqing City Road 400060 No. 2 Patentee after: CHONGQING CHINA TOBACCO INDUSTRIAL CO., LTD. Patentee after: CHINA TOBACCO SICHUAN INDUSTRIAL CO., LTD. Address before: 610000 Jackie Chan Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, China, No. 2, No. Patentee before: China Tobacco Chuanyu Industry Co., Ltd. |