阅读说明：本技术 一种用于壁纸生产的缓烘干装置及其使用方法 (Slow drying device for wallpaper production and use method thereof ) 是由 刘连磊 刘克涛 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种用于壁纸生产的缓烘干装置,包括装置底座,所述装置底座一侧上安装有预烘干箱,所述预烘干箱内安装有烘干辊组,所述第四烘干辊安装于所述预烘干箱右侧,所述预烘干箱内安装有加热管,所述加热管通过加热箱体固定于所述预烘干箱内,所述预烘干箱右侧安装有烘干机构,所述烘干机构包括烘干箱,所述烘干箱内安装有加热管道,所述加热管道内放置有加热油,在进行后期的壁纸烘干,进入后端的烘干箱内使用加热管道对壁纸进行烘干,在烘干过程中使用加热油在加热管道内循环,得到干燥的加热温度,是壁纸一次性从半干进入全干的阶段,使用加热油加热管道保证了烘干箱内的杆情况,使壁纸不会发霉。(The invention discloses a slow drying device for wallpaper production, which comprises a device base, wherein a pre-drying box is arranged on one side of the device base, a drying roller set is arranged in the pre-drying box, a fourth drying roller is arranged on the right side of the pre-drying box, a heating pipe is arranged in the pre-drying box, the heating pipe is fixed in the pre-drying box through a heating box body, a drying mechanism is arranged on the right side of the pre-drying box, the drying mechanism comprises a drying box, a heating pipeline is arranged in the drying box, heating oil is placed in the heating pipeline, the wallpaper is dried in the later period, the wallpaper enters the drying box at the rear end and is dried by using the heating pipeline, the heating oil is circulated in the heating pipeline in the drying process to obtain the drying temperature, the wallpaper is in the period that the wallpaper is dried from half-dry to full-dry at one time, and the rod condition in the drying box is ensured by using the heating oil heating pipeline, the wallpaper is not mildewed.)

1. The slow drying device for wallpaper production comprises a device base and is characterized in that a pre-drying box is installed on one side of the device base, a drying roller set is installed in the pre-drying box and comprises a first drying roller, a second drying roller, a third drying roller and a fourth drying roller, the first drying roller is installed on the left side of the pre-drying box, the second drying roller is installed at the upper end of the right side of the first drying roller, the third drying roller is installed at the lower end of the left side of the second drying roller, the fourth drying roller is installed on the right side of the pre-drying box, a left side wall is installed on the left side of the pre-drying box, a wallpaper groove is formed in the lower end of the left side wall, a right side wall is installed on the side of the pre-drying box, a wallpaper groove is also formed in the right side wall, a heating pipe is installed in the pre-drying box, and the heating pipe is installed on the upper side wall of the pre-drying box, On preceding lateral wall and the back lateral wall, the heating pipe is fixed in through the heating box stoving incasement in advance, stoving mechanism is installed on stoving case right side in advance, stoving mechanism is including the stoving case, the stoving incasement installs heated tube, heated tube has placed the heating oil in the heated tube.

2. The slow drying device for wallpaper production as claimed in claim 1, wherein an air duct is installed at an upper end of an upper side wall of the pre-drying box, the air duct is communicated with the inside of the heating box, a duct valve is installed at one side of the air duct, and the duct valve is connected to the air duct through a thread.

3. The slow drying device for wallpaper production as claimed in claim 1, wherein micropores are formed on a side wall of the heating box body, the micropores are uniformly distributed on the side wall of the heating box body, and the side wall of the heating box body is sealed.

4. The slow drying device for wallpaper production as claimed in claim 1, wherein a first conveying roller, a second conveying roller and a third conveying roller are installed in the drying box, the first conveying roller is installed in the drying box on the right side of the first drying roller, the second conveying roller is installed in the drying box on the upper end of the right side of the first conveying roller, and the third conveying roller is installed at a position where the lower end of the right side of the second conveying roller is in the same level with the first conveying roller.

5. The slow drying device for wallpaper production as claimed in claim 4, wherein the heating pipes are installed in the drying box in series, the heating pipes are U-shaped series pipes, the heating pipes are installed in the drying box, the heating pipes are divided into a first vertical pipe, a second vertical pipe and a third vertical pipe, the first vertical pipe is installed right above the first conveying roller, the second vertical pipe is installed right below the second conveying roller, the third vertical pipe is installed right above the third conveying roller, the heating pipes fix the first vertical pipe, the second vertical pipe and the third vertical pipe through a buckle on a side wall of the heating box, the buckle includes a chuck and a cassette, and the chuck can be buckled on the cassette.

6. The slow drying device for wallpaper production as claimed in claim 5, wherein the first vertical pipeline is connected in series with the second vertical pipeline, the second vertical pipeline is connected in series with the third vertical pipeline, the first vertical pipeline is formed by connecting three heating oil pipes in series, the second vertical pipeline is formed by connecting five heating oil pipes in series, and the third vertical pipeline is formed by connecting three heating oil pipes in series.

7. A slow drying device for wallpaper production and a use method thereof are characterized in that the slow drying device for wallpaper production is the slow drying device for wallpaper production as claimed in any one of claims 1-6, and comprises the following steps:

s1: wallpaper passes through the first drying roller of the pre-drying box, enters the second drying roller through the lower end of the first drying roller, enters the lower end of the third drying roller through the upper end of the second drying roller, enters the lower end of the fourth drying roller through the lower end of the third drying roller, is conveyed out of the pre-drying box from the fourth drying roller, is preheated through the heating pipe in the pre-drying box when entering the pre-drying box, and is injected into the heating box body through the air pipeline arranged on the upper side wall of the pre-drying box in the heating process;

s2: heating air by a heating pipe of the heating box body, discharging the heated air into the preheating box through the micropores, controlling the pressure of compressed air at 0.3-0.4MPa, enabling the micropores on the side wall of the heating box body to blow out uniform heating air by setting stable air pressure, controlling the temperature of the preheating box at 45-50 ℃, uniformly outputting the heating air from the wallpaper groove on the right side wall at the speed of 0.03m/s, completing the prior preheating of the wallpaper by the preheating box, ensuring the wallpaper not to deform and protecting the flatness of the wallpaper by preheating;

s3: the wallpaper enters the drying box, is conveyed through the first conveying roller, the second conveying roller and the third conveying roller in the drying box, is dried in a short distance in the conveying process through the first vertical pipeline, the second vertical pipeline and the third vertical pipeline, the temperature of the drying box is controlled to be 85-120 ℃, the wallpaper is dried, and the wallpaper is dried through the drying box to finish the slow drying operation of the wallpaper.

Technical Field

The invention relates to the technical field of electronic equipment, in particular to a slow drying device for wallpaper production and a using method thereof.

Background

Wallpaper, also called as wallpaper, is an indoor decoration material with quite wide application, because the wallpaper has the characteristics of various colors, rich patterns, luxury and luxury, safety and environmental protection, convenient construction, proper price and the like which are incomparable with various other indoor decoration materials, the wallpaper is popularized to a great extent in developed countries and regions of Europe, America, Japan and the like, the wallpaper is divided into a plurality of types, such as film-covered wallpaper, coating wallpaper, embossed wallpaper and the like, the base paper is usually produced by bleached chemical wood pulp, the base paper is processed by different procedures, such as coating, printing, embossing or surface coating, and finally the base paper is cut and packaged to leave the factory, because the wallpaper has certain strength, toughness, beautiful appearance and good water resistance, the wallpaper is widely used for indoor decoration of houses, offices, hotels, wallpaper after printing needs to be dried in the production process, because the stoving temperature is stable at the stoving in-process, it is not good to cause the stoving effect, makes the wall paper break up at the stoving in-process of wall paper, and the roughness of wall paper goes wrong, and it is inhomogeneous also to cause the drying to dry in the step of stoving simultaneously, and after the rolling is stored in later stage, the mould phenomenon appears and causes the quality problems of product, influences company's reputation, causes simultaneously that company's economic loss can't compensate, should design a drying device that can eliminate above-mentioned problem, accomplishes the solution to above-mentioned problem.

Disclosure of Invention

The invention provides a slow drying device for wallpaper production and a use method thereof, aiming at solving the defects of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the slow drying device for wallpaper production comprises a device base, wherein a pre-drying box is installed on one side of the device base, a drying roller set is installed in the pre-drying box and comprises a first drying roller, a second drying roller, a third drying roller and a fourth drying roller, the first drying roller is installed on the left side of the pre-drying box, the second drying roller is installed at the upper end of the right side of the first drying roller, the third drying roller is installed at the lower end of the left side of the second drying roller, the fourth drying roller is installed on the right side of the pre-drying box, a left side wall is installed on the left side of the pre-drying box, a wallpaper groove is formed in the lower end of the left side wall, a right side wall is installed on the side of the pre-drying box, a wallpaper groove is also formed in the right side wall, a heating pipe is installed in the pre-drying box, and the heating pipe is installed on the upper side wall of the pre-drying box, The heating pipe is fixed in the pre-drying box through a heating box body, a drying mechanism is installed on the right side of the pre-drying box and comprises a drying box, a heating pipeline is installed in the drying box, and heating oil is placed in the heating pipeline;

the wallpaper is firstly and semi-dried by the pre-drying box, the change of the transmission position of the wallpaper is completed by the first drying roller, the second drying roller, the third drying roller and the fourth drying roller of the drying rollers in the semi-drying process, so that the transportation displacement of the wallpaper in the pre-drying box is changed differently, the air heated in the heating pipe can uniformly heat the upper surface and the lower surface of the wallpaper at different positions, the wallpaper reaches a uniform and semi-dry state in the pre-drying stage, the drying effect is better, the mildew is prevented from occurring in the later stage, the quality of the wallpaper is influenced, the wallpaper is dried more deeply into the inner layer by the pre-drying box, the wallpaper is dried in the later stage, the heating pipeline is used for drying the wallpaper in the drying box at the rear end, heating oil is used for circulating in the heating pipeline in the drying process, the heating temperature for drying is obtained, and the stage that the wallpaper enters the full-drying from the semi-drying stage once, the heating oil is used for heating the pipeline, so that the rod condition in the drying box is guaranteed, and the wallpaper is not moldy.

Preferably, an air pipeline is arranged at the upper end of the upper side wall of the pre-drying box and communicated with the interior of the heating box, a pipeline valve is arranged on one side of the air pipeline, and the pipeline valve is connected to the air pipeline through threads; the air in the air pipeline is heated through the heating pipe in the pre-drying box, and the pressure value in the air pipeline is determined in the heating process, so that the pre-drying effect of the heated air on the wallpaper is better, the wallpaper cannot be impacted, and the dried wallpaper is better in color and beautiful in appearance.

Preferably, micropores are formed in the side wall of the heating box body, and are uniformly distributed on the side wall of the heating box body, and the peripheral side of the heating box body is sealed; the micropores are uniformly distributed on the heating box body, heated air is uniformly dispersed in the preheating box body through the micropores, and the wallpaper is uniformly pre-dried.

Preferably, a first conveying roller, a second conveying roller and a third conveying roller are arranged in the drying box, the first conveying roller is arranged in the drying box on the right side of the first drying roller, the second conveying roller is arranged in the drying box on the upper end of the right side of the first conveying roller, and the third conveying roller is arranged at the position, on the same level with the first conveying roller, of the lower end of the right side of the second conveying roller; the upper and lower position difference of the first transfer roller, the second transfer roller and the third transfer roller in the drying box mainly can increase the drying time of the wallpaper in the drying box, and meanwhile, heating pipelines are placed at the upper and lower positions of the first transfer roller, the second transfer roller and the third transfer roller, so that each part of the wallpaper is better dried when being dried.

Preferably, the heating pipelines are installed in the drying box in series, the heating pipelines are U-shaped series pipelines, the heating pipelines are installed in the drying box, the heating pipelines are divided into a first vertical pipeline, a second vertical pipeline and a third vertical pipeline, the first vertical pipeline is installed right above the first conveying roller, the second vertical pipeline is installed right below the second conveying roller, the third vertical pipeline is installed right above the third conveying roller, the heating pipelines fix the first vertical pipeline, the second vertical pipeline and the third vertical pipeline through a buckle on a side wall of the heating box, the buckle comprises a chuck and a clamping seat, and the chuck can be buckled on the clamping seat; through at first vertical row pipeline install in position directly over the first conveying roller, second vertical row pipeline install in position under the second conveying roller, third vertical row pipeline install in such a setting position of position directly over the third conveying roller can be with the even stoving of the wall paper that arrives, can not have the position that can not dry, has stopped some parts in later stage and has produced the condition of mildening and rot, is that the wall paper quality is up to standard completely.

Preferably, the first vertical pipeline is connected in series with the second vertical pipeline, the second vertical pipeline is connected in series with the third vertical pipeline, the first vertical pipeline is formed by connecting three heating oil pipes in series, the second vertical pipeline is formed by connecting five heating oil pipes in series, and the third vertical pipeline is formed by connecting three heating oil pipes in series; the first vertical pipeline, the second vertical pipeline and the third vertical pipeline are operated in a series connection mode, circulation of heating oil is increased, temperature balance in the drying box is guaranteed, the temperature is kept to be the same, color difference cannot be generated when the wallpaper is dried, the color of the newspaper wallpaper is real, and the color of each batch of wallpaper is the same.

A use method of a slow drying device for wallpaper production comprises the following steps:

s1: wallpaper passes through the first drying roller of the pre-drying box, enters the second drying roller through the lower end of the first drying roller, enters the lower end of the third drying roller through the upper end of the second drying roller, enters the lower end of the fourth drying roller through the lower end of the third drying roller, is conveyed out of the pre-drying box from the fourth drying roller, is preheated through the heating pipe in the pre-drying box when entering the pre-drying box, and is injected into the heating box body through the air pipeline arranged on the upper side wall of the pre-drying box in the heating process;

s2: heating air by a heating pipe of the heating box body, discharging the heated air into the preheating box through the micropores, controlling the pressure of compressed air at 0.3-0.4MPa, enabling the micropores on the side wall of the heating box body to blow out uniform heating air by setting stable air pressure, controlling the temperature of the preheating box at 45-50 ℃, uniformly outputting the heating air from the wallpaper groove on the right side wall at the speed of 0.03m/s, completing the prior preheating of the wallpaper by the preheating box, ensuring the wallpaper not to deform and protecting the flatness of the wallpaper by preheating;

s3: the wallpaper enters the drying box, is conveyed through the first conveying roller, the second conveying roller and the third conveying roller in the drying box, is dried in a short distance in the conveying process through the first vertical pipeline, the second vertical pipeline and the third vertical pipeline, the temperature of the drying box is controlled to be 85-120 ℃, the wallpaper is dried, and the wallpaper is dried through the drying box to finish the slow drying operation of the wallpaper.

The invention has the technical effects that:

1. compared with the prior art, the slow drying device for wallpaper production has the advantages that the inner layer of the wallpaper is dried more deeply through the pre-drying box, the wallpaper is dried at the later stage, the wallpaper is dried in the drying box at the rear end by using the heating pipeline, heating oil is circulated in the heating pipeline in the drying process to obtain the drying heating temperature, the wallpaper is at the stage of being dried from half to full, the rod condition in the drying box is guaranteed by using the heating oil heating pipeline, and the wallpaper is prevented from going moldy.

2. The air in the air pipeline is heated through the heating pipe in the pre-drying box, and the pressure value in the air pipeline is determined in the heating process, so that the pre-drying effect of the heated air on the wallpaper is better, the wallpaper cannot be impacted, and the dried wallpaper is better in color and beautiful in appearance.

3. The micropores are uniformly distributed on the heating box body, heated air is uniformly dispersed in the preheating box body through the micropores, and the wallpaper is uniformly pre-dried.

4. Through at first vertical row pipeline install in position directly over the first conveying roller, second vertical row pipeline install in position under the second conveying roller, third vertical row pipeline install in such a setting position of position directly over the third conveying roller can be with the even stoving of the wall paper that arrives, can not have the position that can not dry, has stopped some parts in later stage and has produced the condition of mildening and rot, is that the wall paper quality is up to standard completely.

5. The first vertical pipeline, the second vertical pipeline and the third vertical pipeline are operated in a series connection mode, circulation of heating oil is increased, temperature balance in the drying box is guaranteed, the temperature is kept to be the same, color difference cannot be generated when the wallpaper is dried, the color of the newspaper wallpaper is real, and the color of each batch of wallpaper is the same.

Drawings

FIG. 1 is a schematic structural view of a wallpaper production slow-drying device of the invention;

FIG. 2 is a schematic structural diagram of a pre-drying box and a drying box of the drying device of the present invention;

FIG. 3 is a schematic view of the internal structure of the pre-drying oven according to the present invention;

fig. 4 is a schematic view of the internal structure of the drying box of the present invention.

In the figure: 1. the device comprises a device base, 2, a pre-drying box, 3, a drying roller group, 4, a first drying roller, 5, a second drying roller, 6, a third drying roller, 7, a fourth drying roller, 8, a left side wall, 9, a wallpaper groove, 10, a right side wall, 11, a heating pipe, 12, a front side wall, 13, a rear side wall, 14, a heating box body, 15, a drying mechanism, 16, a drying box, 17, a heating pipeline, 18, an air pipeline, 19, a pipeline valve, 20, a micropore, 21, a first conveying roller, 22, a second conveying roller, 23, a third conveying roller, 24, a first vertical pipeline, 25, a second vertical pipeline, 26, a third vertical pipeline, 27, a buckle, 28, a chuck, 29 and a clamping seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention 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 invention and are not intended to limit the invention.

Examples

As shown in fig. 1, a slow drying device for wallpaper production comprises a device base 1, a pre-drying box 2 is installed on one side of the device base 1, a drying roller set 3 is installed in the pre-drying box 2, the drying roller set 3 comprises a first drying roller 4, a second drying roller 5, a third drying roller 6 and a fourth drying roller 7, the first drying roller 4 is installed on the left side of the pre-drying box 2, the second drying roller 5 is installed on the upper end of the right side of the first drying roller 4, the third drying roller 6 is installed on the lower end of the left side of the second drying roller 5, the fourth drying roller 7 is installed on the right side of the pre-drying box 2, a left side wall 8 is installed on the left side of the pre-drying box 2, a wallpaper groove 9 is formed at the lower end of the left side wall 8, a right side wall 10 is installed on one side of the pre-drying box 2, and a wallpaper groove 9 is also formed on the right side wall 10, a heating pipe 11 is installed in the pre-drying box 2, the heating pipe 11 is installed on an upper side wall 11, a front side wall 12 and a rear side wall 13 of the pre-drying box 2, the heating pipe 11 is fixed in the pre-drying box 2 through a heating box body 14, a drying mechanism 15 is installed on the right side of the pre-drying box 2, the drying mechanism 15 comprises a drying box 16, a heating pipeline 17 is installed in the drying box 16, and heating oil is placed in the heating pipeline 17;

the wallpaper is firstly and semi-dried by the pre-drying box 2, the change of the transmission position of the wallpaper is completed by the first drying roller 4, the second drying roller 5, the third drying roller 6 and the fourth drying roller 7 of the drying roller group 3 during the semi-drying process, so that the transportation displacement of the wallpaper in the pre-drying box 2 is changed differently, the air heated in the heating pipe 11 can uniformly heat the upper surface and the lower surface of the wallpaper at different positions, the wallpaper is in a uniform semi-dry state in the pre-drying stage, the drying effect is better, the influence on the quality of the wallpaper caused by mildew in the later stage is prevented, the wallpaper is dried more deeply into the inner layer by the pre-drying box 2, the wallpaper is dried in the later stage, the wallpaper is dried by the heating pipeline 17 in the drying box 16 at the rear end, the heating oil is circulated in the heating pipeline 17 during the drying process, the drying temperature is obtained, the wallpaper is at the stage of being completely dried from half-dried at one time, and the heating oil heating pipeline 17 is used for ensuring the rod condition in the drying box 16, so that the wallpaper is not mildewed.

An air pipeline 18 is installed at the upper end of the upper side wall 11 of the pre-drying box 2, the air pipeline is communicated with the inside of the heating box body 14, a pipeline valve 19 is installed on one side of the air pipeline 18, and the pipeline valve 19 is connected to the air pipeline 18 through threads; the air in the air pipeline 18 is heated through the heating pipe 11 in the pre-drying box 2, and the pressure value in the air pipeline 18 is determined in the heating process, so that the pre-drying effect of the heated air on the wallpaper is better, the wallpaper cannot be impacted, and the dried wallpaper is better in color and beautiful in appearance.

Micropores 20 are formed in the side wall of the heating box body 14, the micropores 20 are uniformly distributed on the side wall of the heating box body 14, and the peripheral side of the heating box body 14 is sealed; the micropores 20 are uniformly arranged on the heating box body 14, and heated air is uniformly dispersed in the pre-drying box 2 through the micropores 20, so that the uniform pre-drying of the wallpaper is completed.

A first conveying roller 21, a second conveying roller 22 and a third conveying roller 23 are arranged in the drying box 16, the first conveying roller 21 is arranged in the drying box 16 on the right side of the first drying roller 4, the second conveying roller 22 is arranged in the drying box 16 at the upper end of the right side of the first conveying roller 21, and the third conveying roller 23 is arranged at the position, on the same level with the first conveying roller 21, of the lower end of the right side of the second conveying roller 22; the difference of the upper and lower positions of the first conveying roller 21, the second conveying roller 22 and the third conveying roller 23 in the drying box 16 mainly is that the drying time of the wallpaper in the drying box 16 can be increased, and meanwhile, the heating pipelines 17 are placed at different upper and lower positions of the first conveying roller 21, the second conveying roller 22 and the third conveying roller 23, so that each part of the wallpaper can be better dried when being dried.

The heating pipeline 17 is installed in the drying box 16 in series, the heating pipeline 17 is a U-shaped series pipeline, the heating pipeline 17 is installed in the drying box 16, the heating pipeline 17 is divided into a first vertical pipeline 24, a second vertical pipeline 25 and a third vertical pipeline 26, the first vertical pipeline 24 is installed right above the first conveying roller 21, the second vertical pipeline 25 is installed right below the second conveying roller 22, the third vertical pipeline 26 is installed right above the third conveying roller 23, the heating pipeline 17 fixes the first vertical pipeline 24, the second vertical pipeline 25 and the third vertical pipeline 26 through a buckle 27 on the side wall of the drying box 16, the buckle 27 includes a chuck 28 and a cassette 29, and the chuck 28 can be buckled on the cassette 29; through at first vertical row pipeline 24 install in position directly over first transfer roller 21, second vertical row pipeline 25 install in position under second transfer roller 22, third vertical row pipeline 26 install in such a setting position of position directly over third transfer roller 23 can be with the even stoving of the wall paper that arrives, can not have the position that can not dry, has stopped some parts in later stage and has produced the condition of mildening and rot, is that the wall paper quality is up to standard completely.

The first vertical pipeline 24 is connected in series with the second vertical pipeline 25, the second vertical pipeline 25 is connected in series with the third vertical pipeline 26, the first vertical pipeline 24 is formed by connecting three heating oil pipes in series, the second vertical pipeline 25 is formed by connecting five heating oil pipes in series, and the third vertical pipeline 26 is formed by connecting three heating oil pipes in series; the first vertical pipeline 24, the second vertical pipeline 25 and the third vertical pipeline 26 run in a serial connection mode, circulation of heating oil is increased, temperature balance in the drying box is guaranteed, the temperature is kept to be the same, color difference cannot be generated when the wallpaper is dried, the color of the newspaper wallpaper is real, and the color of each batch of wallpaper is the same.

A use method of a slow drying device for wallpaper production comprises the following steps:

s1: wallpaper passes through the first drying roller 4 of the pre-drying box 2, enters the second drying roller 5 through the lower end of the first drying roller 4, enters the lower end of the third drying roller 6 through the upper end of the second drying roller 5, enters the lower end of the fourth drying roller 7 through the lower end of the third drying roller 6, is conveyed out of the pre-drying box 2 from the fourth drying roller 7, is preheated through the heating pipe 11 in the pre-drying box 2 when entering the pre-drying box 2, and is injected into the heating box body 14 through the air pipeline 18 arranged on the upper side wall of the pre-drying box 2 in the heating process;

s2: heating air by a heating pipe 11 of the heating box body 14, discharging the heated air into the preheating box 2 through the micropores 20, controlling the pressure of compressed air at 0.3-0.4MPa, enabling the micropores 20 on the side wall of the heating box body 2 to blow out uniform heating air by setting stable air pressure, controlling the temperature of the preheating box 2 at 45-50 ℃, uniformly outputting the heating air from the wallpaper groove 9 on the right side wall at the speed of 0.03m/s, completing the prior preheating of the wallpaper by the preheating box 2, ensuring that the wallpaper is not deformed and protecting the flatness of the wallpaper by preheating;

s3: the wallpaper enters the drying box 16 and is conveyed through the first conveying roller 21, the second conveying roller 22 and the third conveying roller 23 in the drying box 16, the wallpaper in the conveying process is dried in a short distance through the first vertical row pipeline 24, the second vertical row pipeline 25 and the third vertical row pipeline 26 in the conveying process, the temperature of the drying box 16 is controlled to be 85-120 ℃, the wallpaper is dried, and the wallpaper is dried through the drying box 16 to finish the slow drying operation of the wallpaper.

Compared with the prior art, the slow drying device for wallpaper production and the use method thereof have the advantages that after the wallpaper is dried in the later period, the wallpaper is dried in the drying box at the rear end by using the heating pipeline, heating oil is circulated in the heating pipeline in the drying process to obtain the dry heating temperature, the wallpaper is dried from half dry to full dry at one time, the rod condition in the drying box is ensured by using the heating oil heating pipeline, the wallpaper is prevented from going moldy, the micropores are uniformly distributed on the heating box body, and the heated air is uniformly dispersed in the preheating and instant heating box through the micropores, so that the uniform pre-drying of the wallpaper is completed.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should fall within the technical scope of the present invention.