阅读说明：本技术 一种零料烟混配方法 (Zero-material smoke mixing method ) 是由 付金存 潘高伟 毛文龙 游敏 徐少怀 钱建财 李清朗 王成勇 韩云龙 陈超 姚政 于 2021-07-22 设计创作，主要内容包括：本发明属于复烤加工领域,具体涉及一种零料烟混配方法及装置。本发明的混配方法将零料烟分为小等级和大等级两个部分,达到不同等级的烟料之间充分混合的目的；在设计混配柜时,每两个柜子为一组,每个柜子都能实现进料和出料功能,并且任意两个柜子之间都能实现互联互动,可实现对小等级配方模块的烟料进行多次平铺,最终与大等级模块进行混合,从而实现对零料烟的混配均质化。(The invention belongs to the field of redrying processing, and particularly relates to a zero material tobacco mixing method and device. The mixing method of the invention divides the zero-grade tobacco into a small grade part and a large grade part, thus achieving the purpose of fully mixing the tobacco materials with different grades; when the cabinet is joined in marriage in the design thoughtlessly, every two cupboards are a set of, and feeding and ejection of compact function can both be realized to every cupboard to can both realize the interconnection interdynamic between two arbitrary cupboards, can realize carrying out a lot of tiling to the tobacco material of low-grade formula module, finally mix with the high-grade module, thereby realize thoughtlessly joining in marriage the homogenization to zero material cigarette.)

1. The zero material smoke mixing method is characterized by comprising the following steps of:

(1) taking zero-material tobacco raw materials, wherein the grade number of the zero-material tobacco is m, and sequencing the zero-material tobacco raw materials according to the sequence of grades from small to large;

(2) providing k blending cabinets;

(3) defining the tobacco materials of the first h grades as small-grade formula module tobacco materials; defining the residual m-h grades of tobacco materials as large-grade formula module tobacco materials;

(4) splitting the small-grade formula module tobacco material into k-1 parts;

(5) respectively feeding all parts of the small-grade formula module tobacco materials into the mixing cabinet for primary mixing;

(6) and blending the primarily blended small-grade formula module tobacco material and the primarily blended large-grade formula module tobacco material again to finish the blending process.

2. The zero-material-smoke mixing method according to claim 1, wherein the splitting method in the step (4) is a uniform splitting method or a total splitting method.

3. The zero-material-smoke mixing method according to claim 2, wherein the dividing and splitting method specifically comprises the following steps: and dividing all the tobacco materials of the small-grade formula module into equal k-1 parts with equal mass.

4. The zero-material-smoke mixing method according to claim 2, wherein the overall splitting method specifically comprises: and randomly combining all the small-grade formula module tobacco materials into k-1 parts with different masses.

5. The method as claimed in claim 1, wherein the means for performing the preliminary mixing in step (5) comprises a mixing cabinet for spreading the cigarettes, a feeding conveyor for feeding the cigarettes to the mixing cabinet, a forward and reverse conveyor engaged with the mixing cabinet, and a feeding conveyor and a discharging conveyor engaged with the two discharging ends of the forward and reverse conveyors, respectively.

6. The method of claim 5, wherein the compounding cabinets of the apparatus are linked by a conveyer belt.

7. The method for compounding zero material smoke according to claim 6, wherein the two groups of the compounding cabinets are combined into a unit cabinet, and two of the unit cabinets share a feeding conveyor belt.

8. The zero material smoke mixing method according to claim 5, wherein the feeding conveyer belt is connected with a feeding travelling crane, and the feeding travelling crane is provided with a conveyer belt capable of rotating forwards and backwards.

9. A zero-smoke compounding process according to claim 5, wherein step (6) implements said remixing on an outfeed conveyor belt of said unit.

Technical Field

The invention belongs to the field of redrying processing, and particularly relates to a zero material tobacco mixing method.

Background

At present, the level that the tobacco leaves can be homogenized in the industry in terms of the mixing of the tobacco leaves is that the tobacco leaves in different grades are fully mixed by repeatedly spreading a cloth travelling crane based on a premixing cabinet, but in the aspect of formula design modules, because the related grades are less in demand, zero material smoke can be generated after batch production is carried out through formula design combination, and how to efficiently utilize the part of formula modules achieves the purpose of improving the comprehensive utilization rate of raw materials, and the problem needs to be solved urgently in the industry.

Chinese patent CN 110771939 a discloses a process for accurately feeding and mixing tobacco flakes, which finally forms a finished product meeting the requirements by sequentially performing the steps of slicing, humidifying, scattering, primary mixing, re-mixing and the like, but the patent does not form a corresponding mixing method and an effective implementation scheme for zero-material tobacco module mixing with a large number of grades and large difference of grade ratios.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a zero material tobacco mixing method, which realizes multiple times of mixing of zero material tobacco, achieves full mixing among tobacco materials of different grades, and improves the mixing homogenization level.

In order to achieve the purpose, the invention provides the following technical scheme:

a zero material smoke mixing method comprises the following steps:

(1) taking zero material tobacco raw materials, wherein the number of grades of the zero material tobacco is m, and arranging the zero material tobacco raw materials according to the sequence of the grades from small to large;

(2) providing k blending cabinets;

(3) defining the tobacco materials of the first h grades as the tobacco materials of the small-grade formula module according to the capacity of the mixing cabinet; defining the residual m-h grades of tobacco materials as large-grade formula module tobacco materials;

(4) splitting the small-grade formula module tobacco material into k-1 parts;

(5) respectively feeding all parts of the small-grade formula module tobacco materials into the mixing cabinet for primary mixing;

(6) and blending the primarily blended small-grade formula module tobacco material and the primarily blended large-grade formula module tobacco material again to finish the blending process.

The invention has the following excellent technical scheme: and (4) the splitting method is an equipartition splitting method or an overall splitting method.

The invention has the following excellent technical scheme: the equipartition splitting method specifically comprises the following steps: and dividing all the tobacco materials of the small-grade formula module into equal k-1 parts with equal mass.

The invention has the following excellent technical scheme: the overall resolution method specifically comprises the following steps: and randomly combining all the small-grade formula module tobacco materials into k-1 parts with different masses.

The invention has the following excellent technical scheme: and (5) the device for implementing the preliminary mixing comprises a mixing cabinet for flatly paving the zero material cigarettes, a feeding conveyer belt for feeding the mixing cabinet, a positive and negative conveyer belt connected with the mixing cabinet, and a material returning conveyer belt and a material discharging conveyer belt respectively connected with the two discharging ends of the positive and negative conveyer belt.

The invention has the following excellent technical scheme: the blending cabinets of the device are linked through a conveying belt.

The invention has the following excellent technical scheme: two of the mixing cabinets and two of the mixing cabinets are combined into a unit cabinet, and two of the unit cabinets share one feeding conveyor belt.

The invention has the following excellent technical scheme: the feeding conveyer belt is connected with a feeding travelling crane, and the feeding travelling crane is provided with a conveyer belt capable of rotating forwards and backwards.

The invention has the following excellent technical scheme: and (6) performing remixing on a discharge conveyor belt of the device.

The invention has the beneficial effects that:

according to the mixing method, the zero-grade tobacco is divided into a small-grade part and a large-grade part, so that the aim of fully mixing tobacco materials in different grades is fulfilled, when a mixing cabinet is designed, every two cabinets form a group, each cabinet can realize the feeding and discharging functions, any two cabinets can realize interconnection and interaction, the materials can be paved for many times, and finally, the zero-grade tobacco is mixed with a large-grade module, so that the zero-grade tobacco is uniformly mixed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a flow chart of the multifunctional mixing cabinet according to the embodiment of the invention.

Wherein: 1. a first blending cabinet; 11. a first feed conveyor belt; 12. a first feeding travelling crane; 13. a first material distributing travelling crane; 16. A first compounding conveyor belt; 2. a second blending cabinet; 3. a third mixing cabinet; 31. a third feeding conveyor belt; 32. thirdly, feeding and traveling; 4. a fourth mixing cabinet; 5. a fifth mixing cabinet; 6. a sixth mixing cabinet; 17. a positive and negative conveyor belt; 18. a first delivery conveyor belt; 100. a feed conveyor belt; 101. a first feed conveyor belt; 110. a feed back conveyor belt; 120. a discharge conveyor belt; 111. a first return conveyor belt; 112. a second feed back conveyor belt; 113. a third feed back conveyor belt; 114. a fourth feed back conveyor belt; 115. a fifth feed back conveyor belt; 116. a sixth feed back conveyor belt; 117. a seventh feed back conveyor belt; 118. an eighth feed back conveyor belt; 119. and a ninth feed back conveyor belt.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The primary mixing refers to spreading the small-grade tobacco material in a mixing cabinet; the split tobacco materials can be divided into different batches, and sequentially enter any mixing cabinet for multiple tiling, for example, the tobacco materials are fed into a first mixing cabinet for primary tiling and then enter any other mixing cabinet for secondary tiling; or the materials are fed into any mixing cabinet to finish primary tiling and then enter any other mixing cabinet to carry out secondary tiling, and then enter another mixing cabinet to carry out tertiary tiling, and the tiling frequency is not limited. Re-compounding refers to mixing the large-grade tobacco material with the small-grade tobacco material after primary mixing.

Example 1

Firstly, preparing a pre-mixed zero material cigarette formula with the number of grades of 54, and sequencing the zero material cigarette formula according to the sequence of the grades from small to large; setting the capacity of the blending cabinet to 12000kg and the number to 6; taking the first 28 grades of zero-material tobacco, wherein the 28 grades of zero-material tobacco are 53700kg, the condition that the 28 grades of zero-material tobacco are less than or equal to 12000kg is met, the tobacco is called as a small-grade formula module tobacco, and the remaining 26 grades are called as a large-grade formula module tobacco; dividing the small-grade formula module tobacco material into 5 equal parts by manpower, wherein each equal part is 10740kg, and completing the splitting process.

And then carrying out primary mixing and remixing on the split small-grade formula module tobacco material according to the mixing device provided by the invention.

As shown in fig. 1, the device for performing primary blending on low-grade zero-material cigarettes in this embodiment includes a first blending cabinet (1), a second blending cabinet (2), a third blending cabinet (3), a fourth blending cabinet (4), a fifth blending cabinet (5), and a sixth blending cabinet (6) which are sequentially arranged from left to right; the 6 blending cabinets are linked by a conveying belt. The first mixing cabinet (1) and the second mixing cabinet (2) are combined into a first unit cabinet, a first feeding conveyer belt (11) and a first feeding travelling crane (12) are commonly used, and the first feeding travelling crane (12) is arranged at the lower position of the first feeding conveyer belt (11); the first feeding travelling crane (12) is provided with a conveying belt which can rotate forwards and backwards under the control of a variable frequency motor, namely, the first feeding travelling crane controls feeding to the first mixing cabinet (1) or the second mixing cabinet (2);

the device also comprises a feeding conveyer belt (100) used for feeding materials to the mixing cabinet, a feed back conveyer belt (110) and a discharge conveyer belt (120) used for conveying the tiled tobacco materials.

The specific primary mixing process comprises the following steps: the first 28 small-scale formulations of 5 aliquots, each 10740kg, were dosed in 5 batches of 5 aliquots of tobacco material.

First, feeding a first batch of zero-material cigarettes to a first feeding conveying belt (101) through the feeding conveying belt (100), conveying the raw materials to the first feeding conveying belt (11) through the forward rotation of the first feeding conveying belt (101), then arriving at a first feeding travelling crane (12), controlling the forward rotation of the conveying belt on the first feeding travelling crane (12), conveying the raw materials to a first distribution travelling crane (13), repeatedly moving the first distribution travelling crane (13) above a first mixing cabinet (1), realizing that the tobacco raw materials uniformly fall on the first mixing conveying belt (16) at the bottom of the first mixing cabinet (1), and paving the batch of tobacco leaves once.

The tobacco leaves after being tiled for one time are rotatably linked to a positive and negative conveying belt (17) through a first mixing conveying belt (16), the positive and negative conveying belt (17) positively rotates to convey tobacco materials to a first cabinet-outlet conveying belt (18), and then the tobacco leaves sequentially pass through a first return conveying belt (111), a second return conveying belt (112), a third return conveying belt (113) and a third return conveying belt through a return conveying belt (110), and can be controlled to positively rotate and reversely rotate through a variable frequency motor, and two discharge ends of the return conveying belt are respectively linked with a fourth return conveying belt (114) and a fifth return conveying belt (115); when the third feed back conveyer belt (113) is reversed, the tobacco materials fall into the fifth feed back conveyer belt (115), then the sixth feed back conveyer belt (116), the seventh feed back conveyer belt (117) to the eighth feed back conveyer belt (118) and the ninth feed back conveyer belt (119) to the third feed conveyer belt (31) are followed, and then the third feeding travelling crane (32) is controlled to tile the tobacco leaves to the sixth mixing and blending cabinet (6), so that secondary tiling is completed.

The second mixed cabinet (2), the third mixed cabinet (3), the fourth mixed cabinet (4), the fifth mixed cabinet (5) and the sixth mixed cabinet (6) have the same shape, structure and transportation mode.

And the second batch of tobacco leaf raw materials are paved in a second mixing cabinet (2) in the same way, the second batch of tobacco leaf raw materials after being paved in the first batch enter a fifth mixing cabinet (5) through a feed back conveyor belt (110) to be paved in a second batch, and the second batch of tobacco leaf raw materials are paved in a second batch according to the mode until all 5 batches of tobacco leaves enter the mixing cabinet, so that the two times of paving are realized.

In the embodiment, after 53700kg of tobacco leaf raw materials of the small-grade formula modules are completely tiled for two times, a primary mixing process is completed, then the residual tobacco leaves of the 26 grades of large-grade formula modules are subjected to vacuum moisture regain, and directly enter a discharging conveying belt (120) by bypassing a mixing cabinet, at the moment, the tobacco leaf raw materials which are primarily mixed in the mixing cabinet are discharged simultaneously, and are converged with the tobacco materials of the large-grade formula modules to complete re-mixing, and the zero-material tobacco which is re-mixed enters a tobacco moistening process to be processed and produced.

Example 2

The preparation method comprises the steps of preparing 54 pre-mixed zero-material tobacco formulas, sequencing the zero-material tobacco formulas from small to large according to each grade, and setting the capacity of a mixing cabinet to be 12000kg and the number of the zero-material tobacco formulas to be 6; the first 28 grades are taken, the total amount of the grades is 53700kg, the requirement that the total amount of the 28 grades is less than or equal to 60000kg is met, the tobacco is called a small-grade formula module tobacco, and the remaining 26 grades are called a large-grade formula module tobacco. Randomly combining the tobacco materials of the 28 small-grade modules, taking 10600kg of zero-material tobacco total quantity with grade serial numbers 1-19, splitting the grades of the serial numbers 23 and 26 into two halves, wherein the grade total quantity of the serial numbers 20-23.5 is 11700kg, the grade total quantity of the serial numbers 23.5-26.5 is 11700kg, the grade total quantity of the serial numbers 26.5-27 is 11700kg, and the grade total quantity of the serial number 28 is 8000kg, and totally dividing into 5 parts to finish the splitting process.

The split 5 small-grade formula module tobacco materials enter the device for primary mixing and remixing in the same way as in the example 1.

Evaluation of

The uniformity of the zero-material tobacco after the blending of the embodiment of the invention is evaluated by measuring chemical components (total plant alkaloid), related physical indexes (powder rate and fragment rate) and economic indexes (product yield).

(1) Evaluation method

A. Determination of total plant alkaloid content

Sampling the mixed zero material smoke, and determining the total plant alkaloid content by adopting a YC/T160-2002 standard.

B. Fraction and fraction

And measuring the mixed zero-material tobacco according to the national standard 'determination of the size of the tobacco leaf slice tobacco'.

C. Product yield

The weight of the finished product is obtained by the percentage of the standard weight of the finished product to the standard weight of the net fed tobacco leaves.

(2) Evaluation results

TABLE 1 statistical table of total plant alkaloid content, end-breaking rate, fraction rate and product yield

From table 1, it can be seen that: the tobacco leaves prepared by the zero-material tobacco mixing method provided by the embodiment of the invention have the nicotine content variation coefficient (CV value) of 3.15 percent and 3.18 percent which are both less than 5 percent, which shows that the tobacco sheet products have good stability, the product mixing uniformity is obviously improved, the crumbling rate and the fragment rate are low, the product yield is high, and the requirements of cigarette formulas of industrial enterprises are met.

From the analysis of the results, it can be seen that: the stability of the embodiment 1 is slightly higher than that of the embodiment 2, which shows that the uniformity of the equipartition splitting is higher than that of the overall splitting, and the time consumption of the manual splitting is combined, and the specific follow-up use is determined by the conditions of the enterprise.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.