CN214594134U - Reconstituted tobacco slurry preparation system - Google Patents
Reconstituted tobacco slurry preparation system Download PDFInfo
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- CN214594134U CN214594134U CN202120675238.XU CN202120675238U CN214594134U CN 214594134 U CN214594134 U CN 214594134U CN 202120675238 U CN202120675238 U CN 202120675238U CN 214594134 U CN214594134 U CN 214594134U
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Abstract
The utility model relates to a paper-making process reconstituted tobacco thick liquids preparation system. The tobacco stem pulping device is characterized by comprising a tobacco stem raw material pulping unit, a tobacco powder raw material pulping unit, an additional fiber pulping unit and a pulp mixing unit, wherein the pulping equipment of the tobacco stem raw material pulping unit is a high-concentration disc mill or a medium-concentration disc mill, and the pulping equipment of the tobacco powder raw material pulping unit, the additional fiber pulping unit and the pulp mixing unit is a low-concentration disc mill or a cone mill; the outlets of the three units, namely the tobacco stem raw material pulping unit, the tobacco powder raw material pulping unit and the additional fiber pulping unit, are respectively connected with the pulp preparing unit, the outlet of the pulp preparing unit is connected with the outlet of the filler preparing unit, the inlet of the pulp preparing unit is a pulp preparing pool, and the outlet is connected with the papermaking system through a pulp forming pool. The beneficial effects of the utility model reside in that simple structure is reasonable, and the reconstituted tobacco that prepares is not only loose in material, has good physical properties, can effectively increase the thick liquids individual layer moreover and keep somewhere rate and product input-output ratio, improves the productivity effect.
Description
Technical Field
The utility model belongs to the technical field of reconstituted tobacco production, concretely relates to paper-making process reconstituted tobacco thick liquids preparation system.
Background
The paper-making reconstituted tobacco is also called paper-making reconstituted tobacco and is widely applied to cigarettes as a raw material of tobacco products. The paper-making reconstituted tobacco uses waste tobacco substances such as tobacco powder, tobacco stems and the like as main raw materials and is processed and formed through the processes of tobacco component extraction, solid fiber pulping and papermaking, sizing and drying of tobacco extract and the like. The preparation process of the solid fiber slurry greatly determines the physical properties of the reconstituted tobacco, and is greatly related to the bulk, mechanical strength, air permeability, liquid absorption performance, combustion performance, filling value and the like of a finished product.
In the conventional paper-making method reconstituted tobacco production process, the tobacco powder and tobacco stems mostly adopt a mixed pulping mode. Because the tobacco powder pulp mainly contains substances with smaller particles and the tobacco stem pulp is long and wide, in order to realize consistency of pulp evenness of the two substances with different characteristics in mixed refining, a small refining gap is needed to ensure the pulp evenness, so that excessive refining of the tobacco powder pulp can be caused. Excessive grinding of tobacco dust can lead to a series of undesirable results: the physical properties of the reconstituted tobacco finished product can be influenced on the quality of the product, and the product is low in air permeability, low in loose thickness, poor in combustion performance and reduced in smoking taste; the slurry single layer retention rate can be reduced in the production efficiency, and the input-output ratio of the product is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the defect that prior art exists, provide a paper-making process reconstituted tobacco thick liquids preparation system, system simple structure is reasonable, and the reconstituted tobacco material of preparation is loose, can realize maximization, serialization, the production of quality of reconstituted tobacco.
In order to solve the technical problem, the technical scheme of the utility model as follows: a reconstituted tobacco pulp preparation system is characterized by comprising a tobacco stem raw material pulping unit, a tobacco powder raw material pulping unit, an additional fiber pulping unit and a pulp mixing unit, wherein the pulping equipment of the tobacco stem raw material pulping unit is a high-concentration disc mill or a medium-concentration disc mill, and the pulping equipment of the tobacco powder raw material pulping unit, the additional fiber pulping unit and the pulp mixing unit is a low-concentration disc mill or a cone mill; the outlets of the three units, namely the tobacco stem raw material pulping unit, the tobacco powder raw material pulping unit and the additional fiber pulping unit, are respectively connected with the pulp preparing unit, the outlet of the pulp preparing unit is connected with the outlet of the filler preparing unit, the inlet of the pulp preparing unit is a pulp preparing pool, and the outlet is connected with the papermaking system through a pulp forming pool.
The external fiber pulping unit comprises a first external fiber tank, the tobacco stem raw material pulping unit comprises a tobacco stem straw pulp tank, the tobacco powder raw material pulping unit comprises a tobacco powder straw pulp tank, the first external fiber tank, the tobacco stem straw pulp tank and the tobacco powder straw pulp tank are connected to a low-concentration pulp mixer of the pulp mixing unit together with the filler preparing unit, the low-concentration pulp mixer is connected with 1-2 conical mills, and the pulp is fed into a pulp forming tank for standby after the pulp grinding quality is qualified.
Plus fibre slurrying unit include first plus fibre pond and the outer plus fibre pond of second, join in marriage the thick liquid unit and include that low dense thick liquid ware, first mixed grass thick liquid pond and the mixed grass thick liquid pond of second are mixed to the thick liquid unit, offal raw materials slurrying unit include tobacco powder grass thick liquid pond, first plus fibre pond, tobacco stalk grass thick liquid pond, tobacco powder grass thick liquid pond and filler prepare the unit and all be connected to low dense thick liquid ware, first mixed grass thick liquid pond is connected to low dense thick liquid ware, the outer mixed grass thick liquid pond of second connect the mixed grass thick liquid pond of second of adding, first mixed grass thick liquid pond connect the mixed grass thick liquid pond of second, the mixed grass thick liquid pond of second connect pulping equipment.
The tobacco stem raw material pulping unit comprises a high-concentration grinding disc, the high-concentration grinding disc is connected with a tobacco stem presser, solid tobacco stems separated by the tobacco stem presser are connected with a medium-concentration conveying system, the medium-concentration conveying system is connected with two medium-concentration disc mills connected in series, and the medium-concentration disc mills are connected with a tobacco stem pulp pond.
The tobacco powder raw material pulping unit comprises an impurity removing device, the impurity removing device is connected with a tobacco powder squeezer to realize solid-liquid separation, the separated tobacco powder solid material is ground into pulp through two serially connected disc mills, and the disc mills are connected with a tobacco powder straw pulp pond.
The pulping equipment of the additional fiber pulping unit consists of a hydrapulper and 2-4 low-consistency disc mills, and the pulping concentration is 3-6%. According to different physical characteristics of the added fibers, the fibers are subjected to branching pulping according to different categories, and the pulp is mixed for standby after the index of the pulp meets the process requirement.
The number of the high-concentration disc mills or the medium-concentration disc mills in the pulping equipment is 2-4, the diameter of the disc mill is one or a combination of more of phi 550, phi 600, phi 660 and phi 750, and the pulping concentration is adjusted within the range of 10-30%.
The pulping equipment of the tobacco powder raw material pulping unit, the additional fiber pulping unit and the pulp mixing unit consists of 1-3 serially connected pulping machines, the pulping machines are one or a combination of conical pulping machines and low-concentration disc grinding, and the pulping concentration is 3-6%.
The utility model discloses carry out local improvement to preparation system and optimize, change the thinking and the means that prior art tobacco raw materials mix the thick liquid to obtain good fibre attitude and paper forming performance, realize the comprehensive improvement to reconstituted tobacco paper base physical properties, establish the basis for improving the quality of reconstituted tobacco and the quality of cigarette.
The beneficial effects of the utility model reside in that:
1. aiming at the current situation that the raw materials of the reconstituted tobacco have different forms and physical properties and are greatly different, the reconstituted tobacco is subjected to branching pulping according to the characteristics of the materials. The tobacco powder pulp is prevented from being excessively ground, and the physical properties of the product such as air permeability, bulk and the like are improved.
2. Aiming at the branching treatment of different physical properties of different additional fibers, the effects of splitting and brooming the additional fibers are improved, and the improvement of the filling value of the product is effectively supported.
3. The pulping quality and the pulping stability are both improved, and the method is suitable for industrial production and application.
4. The system has simple and reasonable structure, and the prepared reconstituted tobacco is loose in material and has excellent physical performance, the single-layer retention rate of the slurry and the input-output ratio of products can be effectively increased, the production benefit is improved, and large-scale, continuous and high-quality production of the reconstituted tobacco is realized.
Drawings
Fig. 1 is a schematic diagram of the overall system structure of the present invention.
Fig. 2 is a schematic view of a slurry preparation system according to embodiment 2 of the present invention.
Fig. 3 is a schematic diagram of a slurry preparation system according to embodiment 3 and embodiment 4 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Example 1
Example 1 is a control. The tobacco stalk raw material of the comparison sample is subjected to phi 660 disc grinding defibering at the concentration of 30 +/-1%, and then solid-liquid separation is realized in a tobacco stalk presser;
the tobacco powder raw material is subjected to solid-liquid separation by a tobacco powder squeezer. The separated tobacco stalk solid materials are subjected to thickening and then pass through a medium-consistency conveying system, and then are mixed with tobacco powder solid materials in a medium-consistency pulp mixer, the mixture of the tobacco stalk and the tobacco powder is subjected to serial pulp grinding by two phi 750 disc mills, the pulp grinding concentration is 10 +/-1%, the beating degree is 25 +/-2 DEG SR, and the wet weight is 5.2 +/-0.2 g.
The external fiber is mixed and proportioned, is pulped by a hydrapulper, and is serially connected into pulp once by two phi 450 disc mills under the concentration of 4.0 +/-0.1 percent, and the beating degree is 30 +/-2 DEG SR.
The mixed pulp of the tobacco stems and the tobacco powder, the added fiber mixed pulp and the filler calcium carbonate are uniformly mixed in a low-concentration pulp mixer, and are ground into pulp by 2 cone mills, and the pulp enters a pulp forming system and a papermaking system in sequence after being judged to be qualified.
Example 2
The utility model discloses a reconstituted tobacco slurry preparation system, as shown in figure 1, comprising a tobacco stem raw material pulping unit, a tobacco powder raw material pulping unit, an additional fiber pulping unit and a slurry preparation unit, wherein the pulping equipment of the tobacco stem raw material pulping unit is a high-concentration disc mill or a medium-concentration disc mill, and the pulping equipment of the tobacco powder raw material pulping unit, the additional fiber pulping unit and the slurry preparation unit is a low-concentration disc mill or a cone mill; the outlets of the three units, namely the tobacco stem raw material pulping unit, the tobacco powder raw material pulping unit and the additional fiber pulping unit, are respectively connected with the pulp preparing unit, the outlet of the pulp preparing unit is connected with the outlet of the filler preparing unit, the inlet of the pulp preparing unit is a pulp preparing pool, and the outlet is connected with the papermaking system through a pulp forming pool.
As shown in fig. 2, in the system, after being defibered by a phi 660 disc mill under the concentration of 30 +/-1%, solid-liquid separation is realized by a tobacco stem presser, the separated solid tobacco stem material is subjected to concentration adjustment and then passes through a medium-concentration conveying system, and enters two phi 750 disc mills to be serially ground into pulp, wherein the grinding concentration is 10 +/-1%, the beating degree is 25 +/-2 DEG SR, the wet weight is 5.2 +/-0.2 g, and the pulp enters a tobacco stem pulp pond after being qualified in detection;
mixing the tobacco powder raw materials, removing impurities, performing solid-liquid separation by using a tobacco powder squeezer, grinding the separated tobacco powder solid materials into pulp by using two serially connected phi 450 disc mills, wherein the pulp grinding concentration is 3.5 +/-0.1%, and the wet weight is 1.5 +/-0.5 g, and entering a tobacco powder straw pulp pool after the pulp grinding is qualified;
the external fiber is mixed and proportioned, is pulped by a hydrapulper, and is serially connected into pulp once by two phi 450 disc mills under the concentration of 4.0 +/-0.1 percent, the beating degree is 30 +/-2 DEG SR, and the wet weight is 11 +/-1 g.
And (3) adding fiber pulp, tobacco stem straw pulp and tobacco powder straw pulp, fully and uniformly mixing the fiber pulp, the tobacco stem straw pulp and the tobacco powder straw pulp with filler calcium carbonate in a low-concentration pulp mixer, grinding the mixture into pulp by using 2 conical mills, and sequentially entering a pulp making system and a papermaking system after the pulp is judged to be qualified.
Example 3
As shown in fig. 3, another system of the present invention is used to prepare a slurry. In the system, after tobacco stem raw materials are defibrinated by a phi 660 disc mill at the concentration of 30 +/-1%, solid-liquid separation is realized by a tobacco stem presser, the separated tobacco stem solid materials are subjected to concentration adjustment and then enter a medium-concentration conveying system to be subjected to serial pulping by two phi 750 disc mills, the pulping concentration is 10 +/-1%, the pulping degree is 25 +/-2 DEG SR, the wet weight is 5.2 +/-0.2 g, and the qualified tobacco stem raw materials enter a tobacco stem pulp pond;
mixing the tobacco powder raw materials, removing impurities, performing solid-liquid separation by using a tobacco powder squeezer, grinding the separated tobacco powder solid materials into pulp by using two serially connected phi 450 disc mills, wherein the pulp grinding concentration is 3.5 +/-0.1%, and the wet weight is 1.5 +/-0.5 g, and entering a tobacco powder straw pulp pool after the pulp grinding is qualified;
the additional fiber 1 is serially connected into pulp by two phi 450 disc mills under the concentration of 4.0 +/-0.1 percent and enters an additional fiber 1# pool after primary pulping, the beating degree is controlled to be 30 +/-2 DEG SR, and the wet weight is 11 +/-1 g.
The qualified added fiber 1, tobacco stalk straw pulp and tobacco powder straw pulp are fully and uniformly mixed with filler calcium carbonate in a low-concentration pulp mixer and then enter a mixed straw pulp tank 1; the external fiber 2 is pulped in a hydropulper according to the set concentration of 3.5 +/-0.1 percent, enters an external fiber No. 2 tank, the slurry in the mixed straw pulp tank 1 enters the mixed straw pulp tank 2 and then is mixed with the external fiber from the external fiber No. 2 tank, the mixture is ground into pulp by 2 cone mills, and the pulp is judged to be qualified and then enters a pulp forming system and a papermaking system.
Example 4
Example 4 a slurry was prepared using the system of example 3. The method comprises the following steps that after tobacco stem raw materials are defibrinated through a phi 600 disc mill at the concentration of 30 +/-1%, solid-liquid separation is realized through a tobacco stem presser, the separated tobacco stem solid materials are subjected to concentration adjustment and then enter two phi 750 disc mills to be serially ground into pulp through a medium-concentration conveying system, the grinding concentration is 10 +/-1%, the beating degree is 25 +/-2 DEG SR, the wet weight is 5.2 +/-0.2 g, and the tobacco stem raw materials enter a tobacco stem pulp pond after being detected to be qualified;
mixing the tobacco powder raw materials, removing impurities, performing solid-liquid separation by using a tobacco powder squeezer, grinding the separated tobacco powder solid materials into pulp by using two serially connected conical mills, wherein the pulp grinding concentration is 3.5 +/-0.1%, and the wet weight is 1.5 +/-0.5 g, and entering a tobacco powder straw pulp pool after the detection is qualified;
the method comprises the following steps that (1) external fibers are serially connected through three phi 450 disc mills at the concentration of 4.0% to form pulp for one time, the pulp enters an external fiber 1# pool, the beating degree is controlled to be 30 +/-2 DEG SR, the wet weight is 11 +/-1 g, the detected qualified external fibers 1, tobacco stem straw pulp and tobacco powder straw pulp are fully and uniformly mixed with filler calcium carbonate in a low-concentration pulp mixer, and then the mixture enters a mixed straw pulp pool 1;
the external fiber 2 is pulped in a hydropulper according to the set concentration of 3.5 +/-0.1 percent, enters an external fiber No. 2 tank, the slurry in the mixed straw pulp tank 1 enters the mixed straw pulp tank 2 and then is mixed with the external fiber from the external fiber No. 2 tank, the mixture is ground into pulp by 2 cone mills, and the pulp is judged to be qualified and then enters a pulp forming system and a papermaking system.
And testing the samples obtained in the four experiments to obtain the following detection results:
TABLE 1 physical index detection table for reconstituted tobacco products
| Item | Example 1 | Example 2 | Example 3 | Example 4 |
| Bulk (cm)3/g) | 2.0 | 2.2 | 2.3 | 2.4 |
| Air permeability (cm)3/(min.cm2)) | 250 | 308 | 341 | 356 |
| Filling value (cm)3/g) | 4.8 | 5.0 | 5.1 | 5.1 |
TABLE 2 comparison table of single-layer retention rate of reconstituted tobacco pulp and input-output ratio of product
| Item | Example 1 | Example 2 | Example 3 | Example 4 |
| Single layer retention (%) | 73.2 | 78.2 | 79.5 | 78.9 |
| Input-output ratio (%) | 90.0 | 94.4 | 95.0 | 95.1 |
As can be seen from tables 1 and 2, the utility model has the main advantages that:
1. aiming at the current situation that the raw materials of the reconstituted tobacco have different forms and physical properties and are greatly different, the reconstituted tobacco is subjected to branching pulping according to the characteristics of the materials. The tobacco powder pulp is prevented from being excessively ground, and the physical properties such as the air permeability, the bulk and the like of the product are improved;
2. aiming at the branching treatment of different physical properties of different additional fibers, the effects of splitting and brooming the additional fibers are improved, and the improvement of the filling value of a product is effectively supported;
3. the pulping quality and the pulping stability are both improved, and the method is suitable for industrial production and application.
4. Effectively increasing the single-layer retention rate of the slurry and the input-output ratio of the product, and improving the production benefit.
The above examples of the present application are merely examples for clearly illustrating the present application and do not limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.
Claims (8)
1. A reconstituted tobacco pulp preparation system is characterized by comprising a tobacco stem raw material pulping unit, a tobacco powder raw material pulping unit, an additional fiber pulping unit and a pulp mixing unit, wherein pulping equipment of the tobacco stem raw material pulping unit is a high-concentration disc mill or a medium-concentration disc mill, and pulping equipment of the tobacco powder raw material pulping unit, the additional fiber pulping unit and the pulp mixing unit is a low-concentration disc mill or a cone mill; the outlets of the three units, namely the tobacco stem raw material pulping unit, the tobacco powder raw material pulping unit and the additional fiber pulping unit, are respectively connected with the pulp preparing unit, the outlet of the pulp preparing unit is connected with the outlet of the filler preparing unit, the inlet of the pulp preparing unit is a pulp preparing pool, and the outlet is connected with the papermaking system through a pulp forming pool.
2. The reconstituted tobacco pulp preparation system according to claim 1, wherein the additional fiber pulping unit comprises a first additional fiber tank, the tobacco stem raw material pulping unit comprises a tobacco stem pulp tank, the tobacco powder raw material pulping unit comprises a tobacco powder pulp tank, the first additional fiber tank, the tobacco stem pulp tank and the tobacco powder pulp tank and the filler preparation unit are connected to a low-concentration pulp mixer of the pulp preparation unit, the low-concentration pulp mixer is connected with 1-2 conical mills, and the pulp is fed into a pulp forming tank for standby application after the pulp refining quality is qualified.
3. The reconstituted tobacco pulp preparation system according to claim 1, wherein the additional fiber pulping unit comprises a first additional fiber pool and a second additional fiber pool, the pulp preparation unit comprises a low-concentration pulp mixer, a first mixed straw pulp pool and a second mixed straw pulp pool, the tobacco stem raw material pulping unit comprises a tobacco stalk pulp pool, and the tobacco powder raw material pulping unit comprises a tobacco powder straw pulp pool, the first additional fiber pool, the tobacco stalk pulp pool, the tobacco powder straw pulp pool and the filler preparation unit are all connected to the low-concentration pulp mixer, the low-concentration pulp mixer is connected with the first mixed straw pulp pool, the second additional fiber pool is connected with the second mixed straw pulp pool, the first mixed straw pulp pool is connected with the second mixed straw pulp pool, and the second mixed straw pulp pool is connected with the pulping equipment.
4. The reconstituted tobacco pulp preparation system according to claim 1, wherein the tobacco stem raw material pulping unit comprises a high-concentration grinding disc, the high-concentration grinding disc is connected with a tobacco stem presser, the solid tobacco stem material separated by the tobacco stem presser is connected with a medium-concentration conveying system, the medium-concentration conveying system is connected with two medium-concentration disc mills connected in series, and the medium-concentration disc mill is connected with a tobacco stem pulp pool.
5. The reconstituted tobacco pulp preparation system according to claim 1, wherein the tobacco powder raw material pulping unit comprises an impurity removal device, the impurity removal device is connected with a tobacco powder squeezer to realize solid-liquid separation, the separated tobacco powder solid material is ground into pulp by two serially connected disc mills, and the disc mills are connected with a tobacco powder pulp pond.
6. The reconstituted tobacco pulp preparation system according to claim 1, wherein the pulping equipment of the additional fiber pulping unit consists of a hydrapulper and 2-4 low-consistency disc mills, and the pulping concentration is 3-6%.
7. The reconstituted tobacco slurry preparation system according to claim 1, wherein the number of high-consistency millers or medium-consistency millers in the pulping equipment is 2-4, the diameter of the millers is one or a combination of phi 550, phi 600, phi 660 and phi 750, and the pulping concentration is adjusted within a range of 10-30%.
8. The reconstituted tobacco pulp preparation system according to claim 1, wherein the pulping equipment of the tobacco powder raw material pulping unit, the additional fiber pulping unit and the pulp preparation unit comprises 1-3 serially connected refiners, the refiners are one or a combination of cone-type refiners and low-consistency disc refiners, and the pulping concentration is 3-6%.
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| CN202120675238.XU CN214594134U (en) | 2021-04-02 | 2021-04-02 | Reconstituted tobacco slurry preparation system |
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| CN202120675238.XU CN214594134U (en) | 2021-04-02 | 2021-04-02 | Reconstituted tobacco slurry preparation system |
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| CN214594134U true CN214594134U (en) | 2021-11-05 |
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