CN104116129A - Method and device for guaranteeing uniformity of drying effect of cut tobacco in rollers - Google Patents

Abstract

The invention discloses a method and a device for guaranteeing uniformity of the drying effect of cut tobacco in rollers. The method comprises steps as follows: obtaining a source roller drying area and a target roller drying area; obtaining a source roller drying capacity coefficient according to source roller throughput and the source roller drying area; obtaining target roller throughput according to the source roller drying capacity coefficient and the target roller drying area; drying cut tobacco with the target roller throughput in a target roller. According to the method and the device, the method that drying capacity coefficients of source and target roller cut tobacco driers are same is adopted for transferring roller cut tobacco drying parameters on different production lines, so that higher uniformity and homogenization degrees of the drying effect of roller cut tobacco on different production lines can be guaranteed, and the operation is simple, convenient and rapid.

Description

Method and device for ensuring consistent drying effect of roller shreds

technical field

The invention relates to the field of shredded cigarette processing, in particular to a method and a device for ensuring the consistency of the drying effect of drum shreds.

Background technique

The shredded leaf drying process is one of the key processes in the cigarette shred production process. During the drying process, the shredded leaf is dehumidified by drying to achieve the coordination of the sensory quality and physical quality of the shredded leaf. Drum drying is the most widely used and traditional drying method. Factors affecting the drying quality of drum shreds mainly include incoming moisture content, material flow rate, drum speed, drum wall temperature or pressure, process air temperature, process air speed and other parameters. , in which the moisture content of the incoming material and the flow rate of the material are the key influencing factors that affect the operating parameters of the drum silk dryer and determine the treatment effect of the drum silk dryer.

When producing the same product in different production lines, due to the different production capacities of different production lines or inconsistent specifications and models of drum silk dryers, only multiple batches of feeding tests can be used, and the method of sensory quality evaluation and comparison of dried leaf silk can only be used. , in order to achieve the consistency or homogenization of the drying effect of shredded leaves, resulting in a large consumption of human resources, raw materials and energy, and at the same time, it is difficult to guarantee the effect.

Contents of the invention

In view of the above technical problems, the present invention provides a method and device for ensuring the consistency of drying effect of drum shreds. By setting the parameters of different drum shred dryers for processing the same product, the consistency of drying treatment effect of different shred shreds drums can be achieved. homogenization or homogenization.

According to one aspect of the present invention, there is provided a method for ensuring the consistency of drying effect of drum shreds, comprising:

Obtain the source drum drying area and target drum drying area;

Obtain the drying capacity coefficient of the source drum according to the material flow rate of the source drum and the drying area of the source drum;

Obtain the material flow rate of the target drum according to the drying capacity coefficient of the source drum and the drying area of the target drum;

In the target drum, the leaf silk whose flow rate is the material flow rate of the target drum is dried.

In one embodiment of the present invention, the step of obtaining the source drum drying area and the target drum drying area includes:

According to the formula

Drying area of source drum = π× diameter of source drum × effective length of source drum + height of copy board of source drum × length of copy board of source drum × number of boards of source drum

Get source drum drying area;

and according to the formula

Target drum drying area = π × target drum diameter × target drum effective length + target drum copy board height × target drum copy board length × target drum copy board number

Get the target tumble drying area.

In one embodiment of the present invention, the step of obtaining the drying capacity coefficient of the source drum according to the material flow rate of the source drum and the drying area of the source drum includes:

According to the formula

Source drum drying capacity coefficient = source drum material flow / source drum drying area

Gets the source tumbler drying capacity factor.

In one embodiment of the present invention, the step of obtaining the target drum material flow rate according to the source drum drying capacity coefficient and the target drum drying area includes:

According to the formula

Target drum material flow = source drum drying capacity coefficient × target drum drying area

Get target drum material flow.

In one embodiment of the present invention, the difference between the moisture content of the incoming material of the target drum and the moisture content of the incoming material of the source drum is within a first predetermined range; within the second predetermined range.

In an embodiment of the present invention, the method further includes: setting the drum parameters of the target drum to be the same as the drum parameters of the source drum.

In an embodiment of the present invention, the drum parameters include at least one of the following parameters: drum wall temperature, drum wall pressure, process air temperature, and process air speed.

According to another aspect of the present invention, there is provided a device for ensuring the consistency of the drying effect of drum shreds, including a drying area acquisition unit, a drying coefficient acquisition unit, a material flow acquisition unit and a drying processing unit, wherein:

a drying area acquiring unit, configured to acquire the drying area of the source drum and the drying area of the target drum;

The drying coefficient acquisition unit is used to obtain the drying capacity coefficient of the source drum according to the material flow rate of the source drum and the drying area of the source drum;

A material flow obtaining unit, configured to obtain the material flow of the target drum according to the drying capacity coefficient of the source drum and the drying area of the target drum;

The drying processing unit is used for drying the blade silk whose flow rate is the material flow rate of the target drum in the target drum.

In one embodiment of the present invention, the dry area acquisition unit is specifically used to calculate according to the formula

Drying area of source drum = π× diameter of source drum × effective length of source drum + height of copy board of source drum × length of copy board of source drum × number of boards of source drum

Get source drum drying area;

and according to the formula

Target drum drying area = π × target drum diameter × target drum effective length + target drum copy board height × target drum copy board length × target drum copy board number

Get the target tumble drying area.

In one embodiment of the present invention, the dryness factor acquisition unit is specifically used to calculate according to the formula

Source drum drying capacity coefficient = source drum material flow / source drum drying area

Gets the source tumbler drying capacity factor.

In one embodiment of the present invention, the material flow acquisition unit is specifically used to calculate according to the formula

Target drum material flow = source drum drying capacity coefficient × target drum drying area

Get target drum material flow.

In one embodiment of the present invention, the difference between the moisture content of the incoming material of the target drum and the moisture content of the incoming material of the source drum is within a first predetermined range; within the second predetermined range.

In one embodiment of the present invention, the device further includes a parameter setting unit, wherein:

A parameter setting unit, configured to set the drum parameters of the target drum to be the same as those of the source drum.

In an embodiment of the present invention, the drum parameters include at least one of the following parameters: drum wall temperature, drum wall pressure, process air temperature, and process air speed.

The present invention adopts the method of the same drying capacity coefficient of the source and target drum silk dryers to convert the drying parameters of the drum shreds of different production lines, thereby ensuring the consistency and homogeneity of the drum shreds drying treatment effects of different production lines and a high degree of homogenization, and Easy and fast

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic diagram of an embodiment of the method of the present invention for ensuring consistent drying effect of drum shreds.

Fig. 2 is a schematic diagram of an embodiment of the device for ensuring consistent drying effect of drum shreds according to the present invention.

Fig. 3 is a schematic diagram of another embodiment of the device for ensuring consistent drying effect of drum shreds according to the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification.

In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other examples of the exemplary embodiment may have different values.

It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

Different roller shred drying equipment has certain differences in size and structure, resulting in different heating area of the cylinder wall, different material passing time (processing time) and different processing capacity. 1. The drying capacity per unit area can be expressed by the drying capacity coefficient (characterized by the quality of dried shredded leaves).

The applicant has conducted a large number of experimental studies, and the experimental research results show that: when the same batch of incoming materials is dried by the same control mode of different production lines, the moisture content of the incoming materials and the target value of the outlet moisture content are close, and the drying capacity coefficient is consistent. Under the same conditions, when the process wind temperature and process wind speed are consistent, the sensory quality consistency of the dried leaf shreds is relatively high.

The method and device for ensuring consistent drying effect of drum shreds according to the present invention will be described in detail below through several embodiments.

Fig. 1 is a schematic diagram of an embodiment of the method of the present invention for ensuring consistent drying effect of drum shreds. Preferably, this embodiment can be implemented by a device that ensures consistent drying effect of the roller shreds. The method includes the following steps:

Step 101, obtaining the drying area of the source drum and the drying area of the target drum, wherein the source drum is the source drum drying machine, that is, the existing production line drum drying machine; the target drum is the target drum drying machine, that is, the Production line drum silk dryer.

In one embodiment of the present invention, step 101 may specifically include: according to the formula

Drying area of source drum = π× diameter of source drum × effective length of source drum + height of copy board of source drum × length of copy board of source drum × number of boards of source drum

obtain the source drum drying area; and according to the formula

Target drum drying area = π × target drum diameter × target drum effective length + target drum copy board height × target drum copy board length × target drum copy board number

Get the target tumble drying area.

Step 102, obtaining the drying capacity coefficient of the source drum according to the material flow rate of the source drum and the drying area of the source drum.

In one embodiment of the present invention, step 102 may specifically include: according to the formula

Source drum drying capacity coefficient = source drum material flow / source drum drying area

Gets the source tumbler drying capacity factor.

Step 103, obtaining the material flow rate of the target drum according to the drying capacity coefficient of the source drum and the drying area of the target drum, wherein the drying capacity coefficient of the source and target drum silk dryers is set to be the same.

In one embodiment of the present invention, step 103 may specifically include: according to the formula

Target drum material flow = source drum drying capacity coefficient × target drum drying area

Get target drum material flow.

Step 104 , in the target drum, drying the leaf silk whose flow rate is the material flow rate of the target drum.

Based on the method for ensuring the consistent drying effect of drum shreds provided by the above-mentioned embodiments of the present invention, on the premise that the drying control methods of drum shreds in different production lines are the same, by analyzing the main influencing factors of drum drying, comparing different production lines with different specifications, The difference of the type of drum dryers is calculated to obtain the parameter settings of different drum dryers for processing the same product, so as to realize the consistency or homogenization of the drying effect of different drum dryers.

The present invention adopts the method of the same drying capacity coefficient of the source and target drum shred dryers to convert the drying parameters of drum shreds of different production lines, so as to ensure the consistency and homogeneity of the drum shreds drying treatment effect of different production lines in the present invention, which is simple and convenient fast.

In one embodiment of the present invention, the method further includes: setting the difference between the moisture content of the target drum and the source drum to be within a first predetermined range; setting the target value of the outlet moisture content of the target drum and the source drum The difference between the outlet water content target values is within a second predetermined range.

In the above-mentioned embodiment of the present invention, since the drying capacity coefficient of the source and target drum silk dryers is set to be the same, and the moisture content of the incoming material of the target drum and the source drum is set to be relatively close to the target value of the outlet moisture content, it can ensure that different production lines Drum shred drying results in higher consistency and homogenization.

In an embodiment of the present invention, the method may further include: setting the drum parameters of the target drum to be the same as the drum parameters of the source drum, and setting the target drum material in step 103 in the embodiment shown in FIG. The flow rate is set as the current material flow rate of the target drum, and then step 104 is executed.

In an embodiment of the present invention, the drum parameters include at least one of the following parameters: drum wall temperature, drum wall pressure, process air temperature, process air speed, and the like.

In the above embodiment of the present invention, while ensuring that the moisture content of the incoming material of the target drum and the source drum is relatively close to the target value of the outlet moisture content, and the drying capacity coefficient of the source and target drums is the same, the drum parameters of the target drum are set as The cylinder parameters are the same as those of the source cylinder, which further improves the consistency and homogenization of the drying treatment effect of different production line cylinders.

Fig. 2 is a schematic diagram of an embodiment of the device for ensuring consistent drying effect of drum shreds according to the present invention. The device for ensuring the consistency of the drying effect of drum shreds includes a drying area acquisition unit 201, a drying coefficient acquisition unit 202, a material flow acquisition unit 203, and a drying processing unit 204, wherein:

The drying area obtaining unit 201 is used to obtain the drying area of the source drum and the drying area of the target drum, wherein the source drum is the source drum drying machine, that is, the existing production line drum drying machine; the target drum is the target drum drying machine , that is, the production line drum dryer that needs to be converted.

The drying coefficient obtaining unit 202 is configured to obtain the drying capacity coefficient of the source drum according to the material flow rate of the source drum and the drying area of the source drum.

The material flow obtaining unit 203 is used to obtain the target drum material flow according to the source drum drying capacity coefficient and the target drum drying area, where the source and target drum drying capacity coefficients are set to be the same.

The drying processing unit 204 is configured to perform drying processing on the leaf silk whose flow rate is the material flow rate of the target drum in the target drum.

Based on the method for ensuring the consistent drying effect of drum shreds provided by the above-mentioned embodiments of the present invention, on the premise that the drying control methods of drum shreds in different production lines are the same, by analyzing the main influencing factors of drum drying, comparing different production lines with different specifications, The difference of the type of drum dryers is calculated to obtain the parameter settings of different drum dryers for processing the same product, so as to realize the consistency or homogenization of the drying effect of different drum dryers.

The present invention adopts the method of the same drying capacity coefficient of the source and target drum shred dryers to convert the drying parameters of drum shreds of different production lines, so as to ensure the consistency and homogeneity of the drum shreds drying treatment effect of different production lines in the present invention, which is simple and convenient fast.

In one embodiment of the present invention, the dry area acquisition unit 201 is specifically used to calculate according to the formula

Drying area of source drum = π× diameter of source drum × effective length of source drum + height of copy board of source drum × length of copy board of source drum × number of boards of source drum

Get source drum drying area;

and according to the formula

Target drum drying area = π × target drum diameter × target drum effective length + target drum copy board height × target drum copy board length × target drum copy board number

Get the target tumble drying area.

In one embodiment of the present invention, the drying coefficient acquisition unit 202 is specifically configured to use the formula

Source drum drying capacity coefficient = source drum material flow / source drum drying area

Gets the source tumbler drying capacity factor.

In one embodiment of the present invention, the material flow acquisition unit 203 is specifically used to calculate according to the formula

Target drum material flow = source drum drying capacity coefficient × target drum drying area

Get target drum material flow.

In one embodiment of the present invention, the device further includes a parameter setting unit 301, wherein:

The parameter setting unit 301 is configured to set the drum parameters of the target drum to be the same as the drum parameters of the source drum.

In an embodiment of the present invention, the drum parameters include at least one of the following parameters: drum wall temperature, drum wall pressure, process air temperature, process air speed, and the like.

In an embodiment of the present invention, the parameter setting unit 301 is further configured to set the material flow rate of the target drum acquired by the material flow acquisition unit 203 as the current material flow rate of the target drum, and instruct the drying processing unit 204 to set the flow rate of the target drum as The leaf shreds of the target drum material flow rate are dried.

In the above-mentioned embodiment of the present invention, while ensuring that the drying capacity coefficients of the source and target drum silk dryers are the same, the drum parameters of the target drum are set to be the same as those of the source drum, thereby ensuring the drying treatment effect of different production line drum shreds Greater consistency and homogenization.

In an embodiment of the present invention, the parameter setting unit 301 is also used to set the difference between the moisture content of the target drum and the source drum to be within a first predetermined range, that is, the source drum and the source drum. The moisture content of the material is relatively close; and the difference between the target moisture content target value of the target drum outlet and the source drum outlet moisture content target value is set within the second predetermined range, that is, the outlet moisture content target values of the target drum and the source drum are relatively close.

In the above embodiment of the present invention, while ensuring that the drying capacity coefficients of the source and target drum silk dryers are the same, and setting the drum parameters of the target drum to be the same as those of the source drum, the moisture content of the incoming material of the target drum and the source drum is set It is relatively close to the target value of the outlet moisture content, which further improves the consistency and homogenization of the drum leaf shred drying treatment effect of different production lines.

Functional units such as the drying area acquisition unit 201, the drying coefficient acquisition unit 202, the material flow acquisition unit 203, and the parameter setting unit 301 described above can be implemented as general-purpose processors and digital signal processors for performing the functions described in this application (DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or any suitable combination thereof.

The present invention is described below by specific examples:

The applicant conducted an optimization study on the drying parameters of the drum shreds of a certain specification product on the test line. The drum shred dryer (i.e. the source drum) of the test line was the KLD2-3 drum shred dryer of Hauni Company. The optimization research results are as follows:

Moisture content of incoming material: 19.5%

Material flow setting: 716kg/h

Drum speed: 14rpm

Cylinder wall pressure: 2.1bar

Process air temperature: 100°C

Process air volume: 180 ~ 700m3/h (corresponding to the wind speed in the cylinder 0.1 ~ 0.4m/s)

Export moisture content: 12.7%

Now it is necessary to transfer the optimization results to the production line for application, and the drum silk drying machine (i.e. the target drum) of the production line is the LWD drum silk drying machine produced by Garbio Company. The equipment control method is the same, but the equipment capacity, equipment structure and size are quite different. . In order to realize the homogeneous conversion between the test line and the production line, the dimensions of the test line and the production line drum dryer equipment are measured and related calculations are carried out:

1. Basic parameters of equipment

Table 1 shows the comparison table of the main parameters of the test line and production line equipment.

Table 1

2. Obtain the drying capacity coefficient of the drum silk dryer of the test line

Drying area of source drum = π× diameter of source drum × effective length of source drum + height of copy board of source drum × length of copy board of source drum × number of boards of source drum

=3.14×0.8×5.4+0.21×5.4×4

=18.10m ²

Source drum drying capacity coefficient = source drum material flow / source drum drying area

=716/18.10

＝39.558kg/(m ² ·h)

3. Obtain the material flow rate of the drum silk dryer in the production line

Target drum drying area = π × target drum diameter × target drum effective length + target drum copy board height × target drum copy board length × target drum copy board number

=3.14×1.9×9.2+0.51×9.2×12

=111.1912m ²

Target drum material flow = source drum drying capacity coefficient × target drum drying area

=39.558×111.1912

＝4398.5kg/h

4. Parameter setting of drum silk drying machine in the production line

Moisture content of incoming material: 19.5%

Material flow setting: 4400kg/h

Drum speed: 8rpm

Cylinder wall pressure: 2.1bar

Process air temperature: 100°C

Process air volume: 1000-4000m ³ /h (corresponding to the wind speed in the cylinder 0.1-0.4m/s)

Export moisture content: 12.7%

The results of feeding verification show that the processing effect of the same product processed by the production line and the test line is consistent, which meets the production requirements of transformation application.

By implementing the present invention, can obtain following beneficial effect:

1. Under the premise of the same drying control mode of the drum shreds in different production lines, the present invention analyzes the main influencing factors of drum drying, compares the differences of different specifications and models of drum shred dryers in different production lines, and calculates that the same product can be processed The parameter setting of different drum silk dryers realizes the consistency or homogenization of the drying treatment effect of different drum silk dryers.

2. The present invention adopts the method of the same drying capacity coefficient of the source and target drum silk dryers to convert the drying parameters of the drum shreds of different production lines, so as to ensure the consistency and homogeneity of the drying treatment effects of the drum shreds of different production lines in the present invention. , quick and easy.

3. While ensuring the same drying capacity coefficient of the source and target drum silk dryers, the present invention also sets the drum parameters of the target drum to be the same as the drum parameters of the source drum, so as to ensure the consistency of the drying treatment effect of the drum shreds of different production lines and a higher degree of homogenization.

4. The present invention ensures that the drying capacity coefficients of the source and target drum silk dryers are the same, sets the drum parameters of the target drum to be the same as those of the source drum, and also sets the moisture content of the incoming material and the outlet of the target drum and the source drum The target value of moisture content is relatively close, which further improves the consistency and homogenization of the drum leaf shred drying treatment effect of different production lines.

So far, the present invention has been described in detail. Certain details well known in the art have not been described in order to avoid obscuring the inventive concept. Based on the above description, those skilled in the art can fully understand how to implement the technical solutions disclosed herein.

Those of ordinary skill in the art can understand that all or part of the steps for implementing the above embodiments can be completed by hardware, and can also be completed by instructing related hardware through a program. The program can be stored in a computer-readable storage medium. The above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

The description of the present invention has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention and design various embodiments with various modifications as are suited to the particular use.

Claims (14)

1. guarantee the conforming method of roller cut tobacco drying effect, it is characterized in that, comprising:

Obtain source roller drying area and target drum drying area;

According to source cylinder mass flow and source roller drying area, obtain source roller drying capacity factor;

According to source roller drying capacity factor and target drum drying area, obtain target drum mass flow;

In target drum, the cut tobacco that is described target drum mass flow to flow is dried processing.

2. method according to claim 1, is characterized in that, the step of obtaining source roller drying area and target drum drying area comprises:

According to formula

Cylinder flight length * source, cylinder flight height * source, cylinder effective length+source, diameter of cylinder * source, source roller drying area=π * source cylinder flight sheet number

Obtain source roller drying area;

And according to formula

Target drum drying area=π * target drum diameter * target drum effective length+target drum flight height * target drum flight length * target drum flight sheet number

Obtain target drum drying area.

3. method according to claim 1, is characterized in that, the step of obtaining source roller drying capacity factor according to source cylinder mass flow and source roller drying area comprises:

According to formula

Cylinder mass flow/source, roller drying capacity factor=source, source roller drying area

Obtain source roller drying capacity factor.

4. method according to claim 1, is characterized in that, the step of obtaining target drum mass flow according to source roller drying capacity factor and target drum drying area comprises:

According to formula

Target drum mass flow=source roller drying capacity factor * target drum drying area

Obtain target drum mass flow.

5. method according to claim 1, is characterized in that,

The difference of target drum supplied materials moisture content and source cylinder supplied materials moisture content is in the first preset range;

The difference of target drum outlet moisture content desired value and source drum outlet moisture content desired value is in the second preset range.

6. method according to claim 1, is characterized in that, also comprises:

It is identical with the cylinder parameter of source cylinder that the cylinder parameter of target drum is set to.

7. method according to claim 6, is characterized in that,

Described cylinder parameter comprises at least one in following parameters: barrel temperature, barrel pressure, technique wind-warm syndrome, technique wind speed.

8. guarantee the conforming device of roller cut tobacco drying effect, it is characterized in that, comprise drying area acquiring unit, aridity coefficient acquiring unit, mass flow acquiring unit and dry processing unit, wherein:

Drying area acquiring unit, for obtaining source roller drying area and target drum drying area;

Aridity coefficient acquiring unit, for obtaining source roller drying capacity factor according to source cylinder mass flow and source roller drying area;

Mass flow acquiring unit, for obtaining target drum mass flow according to source roller drying capacity factor and target drum drying area;

Dry processing unit, in target drum, the cut tobacco that is described target drum mass flow to flow is dried processing.

9. device according to claim 8, is characterized in that,

Drying area acquiring unit is specifically for according to formula

Cylinder flight length * source, cylinder flight height * source, cylinder effective length+source, diameter of cylinder * source, source roller drying area=π * source cylinder flight sheet number

Obtain source roller drying area;

And according to formula

Target drum drying area=π * target drum diameter * target drum effective length+target drum flight height * target drum flight length * target drum flight sheet number

Obtain target drum drying area.

10. device according to claim 8, is characterized in that,

Aridity coefficient acquiring unit is specifically for according to formula

Cylinder mass flow/source, roller drying capacity factor=source, source roller drying area

Obtain source roller drying capacity factor.

11. devices according to claim 8, is characterized in that,

Mass flow acquiring unit is specifically for according to formula

Target drum mass flow=source roller drying capacity factor * target drum drying area

Obtain target drum mass flow.

12. devices according to claim 8, is characterized in that,

The difference of target drum supplied materials moisture content and source cylinder supplied materials moisture content is in the first preset range;

The difference of target drum outlet moisture content desired value and source drum outlet moisture content desired value is in the second preset range.

13. devices according to claim 8, is characterized in that, also comprise parameter set unit, wherein:

Parameter set unit, is set to identical with the cylinder parameter of source cylinder for the cylinder parameter of target drum.

14. devices according to claim 13, is characterized in that,

Described cylinder parameter comprises at least one in following parameters: barrel temperature, barrel pressure, technique wind-warm syndrome, technique wind speed.