Drying machine for paper production

Abstract

The utility model discloses a drying machine for paper production, which relates to the field of paper production and comprises a drying box, a partition plate is arranged in the drying box, the left side and the right side of the partition plate are respectively provided with a preheating chamber and a drying chamber, a drying assembly is arranged in the drying chamber, and an air exhaust plate is connected in the drying chamber. The exhaust fan is used for exhausting air, heat generated in the drying chamber is exhausted into the air exhaust plate, then enters the air exhaust pipe through the air exhaust plate and enters the dehumidifier through the air exhaust pipe for dehumidification, and dehumidified air is conveyed into the purification box and enters the air guide pipe after being purified. According to the paper pre-drying device, paper enters the drying box, enters the second air outlet pipe through the air guide pipe and then enters the second air distribution plate through the second air outlet pipe, heat is discharged through the second air outlet holes in the second air distribution plate, and then the paper just entering the drying box can be pre-dried, so that the subsequent drying effect on the paper is facilitated, and the energy loss can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the field of paper production, in particular to a dryer for paper production. Background Art

[0002] In the process of paper production, the residual moisture of wet paper needs to be removed by a dryer. Paper is mostly made of fiber materials. When the paper contains too much moisture, the four sides of the paper will curl up - commonly known as ruffles. During printing, problems such as overprinting and paper wrinkling will occur.

[0003] Currently, when drying paper, hot air is mostly used to dry the paper. After the hot air is used to dry the paper, the hot air carrying steam is mostly directly discharged, and the heat cannot be recycled, resulting in energy waste.

[0004] Therefore, it is necessary to invent a paper production dryer to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a dryer for paper production to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dryer for paper production, comprising a drying box, a partition is arranged in the drying box, and the left and right sides of the partition are respectively arranged as a preheating chamber and a drying chamber, a drying assembly is arranged in the drying chamber, an exhaust plate is connected to the drying chamber, an exhaust fan is connected to the rear side of the drying box, an exhaust pipe is connected to the top of the exhaust fan, the other end of the exhaust pipe passes through the rear side of the drying box and is connected to the exhaust plate, a dehumidifier is connected to the side wall of the exhaust fan, a purification box is connected to the side wall of the dehumidifier, an air duct is connected to the top of the purification box, the other end of the air duct passes through the drying box and extends into the preheating chamber, the other end of the air duct is connected to two second air outlet pipes, the other ends of the two second air outlet pipes are connected to a second air distribution plate, and a plurality of second air outlet holes are provided on the side wall of the second air distribution plate.

[0007] Preferably, two observation ports are provided on the front side of the drying box, and observation windows are connected to the observation ports.

[0008] Preferably, a feed port and a discharge port are respectively provided on the left and right sides of the drying box, a material guide port is provided on the side wall of the partition, and material guide rollers are connected to the material guide ports of the drying box and the partition.

[0009] Preferably, the drying component includes a hot air blower connected to the top of the drying box, the bottom of the hot air blower is connected to an air supply pipe, the left and right sides of the air supply pipe are connected to a first air outlet pipe, the other end of the first air outlet pipe is connected to a first air distribution plate, and the side wall of the first air distribution plate is provided with multiple first air outlet holes.

[0010] Preferably, a filter screen and an activated carbon adsorption screen are provided in the purification box, and two support blocks are provided at the bottom of the filter screen and the activated carbon adsorption screen, and the support blocks are connected to the inner wall of the purification box, and the front side of the purification box is provided with openings corresponding to the filter screen and the activated carbon adsorption screen, and the upper and lower sides of the filter screen and the activated carbon adsorption screen are connected to two mounting plates, and corresponding threaded holes are provided on the mounting plates and the front side of the purification box, and bolts are threadedly connected in the threaded holes, and the front sides of the filter screen and the activated carbon adsorption screen are connected with handles.

[0011] Technical effects and advantages of the utility model:

[0012] By using an exhaust fan to extract air, the heat generated in the drying room is drawn into the exhaust plate, then into the exhaust pipe through the exhaust plate, and into the dehumidifier through the exhaust pipe for dehumidification. The dehumidified gas is transported to the purification box, enters the air duct after purification, enters the second air outlet pipe through the air duct, and then enters the second air distribution plate through the second air outlet pipe, and the heat is discharged through the second air outlet hole on the second air distribution plate, so that the paper just entering the drying box can be pre-dried, thereby facilitating the subsequent drying effect of the paper and effectively reducing energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic cross-sectional structure diagram of;

[0015] Figure 3 For this utility model Figure 1 Schematic diagram of the rear structure;

[0016] Figure 4 For this utility model Figure 4 A schematic cross-sectional structure diagram of;

[0017] Figure 5 For this utility model Figure 3 Schematic diagram of the enlarged structure of part A.

[0018] In the figure: 1. Drying box; 2. Partition; 3. Preheating chamber; 4. Drying chamber; 5. Drying assembly; 51. Hot air blower; 52. Air duct; 53. First air outlet pipe; 54. First air distribution plate; 6. Exhaust plate; 7. Exhaust fan; 8. Exhaust pipe; 9. Dehumidifier; 10. Purification box; 11. Air guide pipe; 12. Second air outlet pipe; 13. Second air distribution plate; 14. Observation window; 15. Material guide roller; 16. Filter screen; 17. Activated carbon adsorption screen; 18. Support block; 19. Mounting plate; 20. Bolt; 21. Handle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-5 A paper production dryer shown in the figure comprises a drying box 1, a partition 2 is arranged in the drying box 1, and the left and right sides of the partition 2 are respectively arranged as a preheating chamber 3 and a drying chamber 4, a drying assembly 5 is arranged in the drying chamber 4, an exhaust plate 6 is connected to the drying chamber 4, an exhaust fan 7 is connected to the rear side of the drying box 1, an exhaust pipe 8 is connected to the top of the exhaust fan 7, the other end of the exhaust pipe 8 passes through the rear side of the drying box 1 and is connected to the exhaust plate 6, a dehumidifier 9 is connected to the side wall of the exhaust fan 7, a purification box 10 is connected to the side wall of the dehumidifier 9, an air guide pipe 11 is connected to the top of the purification box 10, the other end of the air guide pipe 11 passes through the drying box 1 and extends into the preheating chamber 3, the other end of the air guide pipe 11 is connected to two second air outlet pipes 12, and the other ends of the two second air outlet pipes 12 are connected A second air distribution plate 13 is connected, and a plurality of second air outlet holes are provided on the side wall of the second air distribution plate 13. The exhaust fan 7 is used for exhaust, and the heat generated in the drying chamber 4 is drawn into the exhaust plate 6, and then enters the exhaust pipe 8 through the exhaust plate 6, and enters the dehumidifier 9 through the exhaust pipe 8 for dehumidification, and the dehumidified gas is transported to the purification box 10, enters the air duct 11 after purification, and enters the second air outlet pipe 12 through the air duct 11, and then enters the second air distribution plate 13 through the second air outlet pipe 12, and the heat is discharged through the second air outlet holes on the second air distribution plate 13, so that the paper just entering the drying box 1 can be pre-dried, thereby facilitating the subsequent drying effect of the paper and effectively reducing energy loss.

[0021] Two observation ports are provided on the front side of the drying box 1 , and the observation ports are connected with observation windows 14 , so as to facilitate observation of the situation in the drying box 1 .

[0022] The left and right sides of the drying box 1 are respectively provided with a feed port and a discharge port, the side wall of the partition 2 is provided with a material guide port, and the material guide ports of the drying box 1 and the partition 2 are both connected with material guide rollers 15, and the provided material guide rollers 15 can facilitate the guiding of paper.

[0023] The drying component 5 includes a hot air blower 51 connected to the top of the drying box 1, and an air supply pipe 52 is connected to the bottom of the hot air blower 51. The left and right sides of the air supply pipe 52 are connected to the first air outlet pipe 53, and the other end of the first air outlet pipe 53 is connected to the first air distribution plate 54. The side wall of the first air distribution plate 54 is provided with a plurality of first air outlet holes. The hot air is transported to the air supply pipe 52 by using the hot air blower 51, and then enters the first air outlet pipe 53 through the air supply pipe 52, and enters the two first air distribution plates 54 through the first air outlet pipe 53, and then blows out through the first air outlet holes, so as to dry the paper.

[0024] A filter 16 and an activated carbon adsorption net 17 are arranged in the purification box 10. Two support blocks 18 are arranged at the bottom of the filter 16 and the activated carbon adsorption net 17. The support blocks 18 are connected to the inner wall of the purification box 10. An opening corresponding to the filter 16 and the activated carbon adsorption net 17 is opened on the front side of the purification box 10. Two mounting plates 19 are connected to the upper and lower sides of the filter 16 and the activated carbon adsorption net 17. Corresponding threaded holes are opened on the mounting plates 19 and the front side of the purification box 10, and bolts 20 are threadedly connected in the threaded holes. A handle 21 is connected to the front side of the filter 16 and the activated carbon adsorption net 17. The dried gas can be purified by the set filter 16 and the activated carbon adsorption net 17. By unscrewing the bolt 20 and pulling the handle 21, the handle 21 pulls the filter 16 and the activated carbon adsorption net 17 so that the filter 16 and the activated carbon adsorption net 17 slide on the support block 18, and the filter 16 and the activated carbon adsorption net 17 can be taken out for cleaning.

[0025] Working principle of this utility model:

[0026] The hot air is delivered to the air delivery pipe 52 by using the hot air blower 51, and then enters the first air outlet pipe 53 through the air delivery pipe 52, and enters the two first air distribution plates 54 through the first air outlet pipe 53, and then blows out the hot air through the first air outlet hole, so as to dry the paper. The exhaust fan 7 is used to exhaust air, and the heat generated in the drying chamber 4 is drawn into the exhaust plate 6, and then enters the exhaust pipe 8 through the exhaust plate 6, and enters the dehumidifier 9 through the exhaust pipe 8 for dehumidification. The dehumidified gas is delivered to the purification box 10, and enters the air guide pipe 11 after purification, and passes through the air guide pipe 11. The air enters the second air outlet pipe 12, and then enters the second air distribution plate 13 through the second air outlet pipe 12, and discharges the heat through the second air outlet hole on the second air distribution plate 13, so as to pre-dry the paper just entering the drying box 1, and the dried gas can be purified by the filter screen 16 and the activated carbon adsorption net 17 provided, and the bolt 20 is unscrewed and the handle 21 is pulled, and the handle 21 pulls the filter screen 16 and the activated carbon adsorption net 17, so that the filter screen 16 and the activated carbon adsorption net 17 slide on the support block 18, and the filter screen 16 and the activated carbon adsorption net 17 can be taken out for cleaning.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dryer for paper production, comprising a drying box, characterized in that: A partition is provided in the drying box, and the left and right sides of the partition are respectively provided as a preheating chamber and a drying chamber, a drying component is provided in the drying chamber, an exhaust plate is connected to the drying chamber, an exhaust fan is connected to the rear side of the drying box, an exhaust pipe is connected to the top of the exhaust fan, the other end of the exhaust pipe passes through the rear side of the drying box and is connected to the exhaust plate, a dehumidifier is connected to the side wall of the exhaust fan, a purification box is connected to the side wall of the dehumidifier, an air duct is connected to the top of the purification box, the other end of the air duct passes through the drying box and extends into the preheating chamber, the other end of the air duct is connected to two second air outlet pipes, the other ends of the two second air outlet pipes are connected to a second air distribution plate, and a plurality of second air outlet holes are provided on the side wall of the second air distribution plate.

2. A paper production dryer according to claim 1, characterized in that: The front side of the drying box is provided with two observation ports, and the observation ports are connected with observation windows.

3. A paper production dryer according to claim 1, characterized in that: The left and right sides of the drying box are respectively provided with a feed inlet and a discharge inlet, the side wall of the partition is provided with a material guide inlet, and the material guide inlets of the drying box and the partition are both connected with material guide rollers.

4. A paper production dryer according to claim 1, characterized in that: The drying component includes a hot air blower connected to the top of the drying box, the bottom of the hot air blower is connected to an air supply pipe, the left and right sides of the air supply pipe are connected to a first air outlet pipe, the other end of the first air outlet pipe is connected to a first air distribution plate, and the side wall of the first air distribution plate is provided with multiple first air outlet holes.

5. A paper production dryer according to claim 1, characterized in that: A filter screen and an activated carbon adsorption screen are arranged in the purification box, and two support blocks are arranged at the bottom of the filter screen and the activated carbon adsorption screen, and the support blocks are connected to the inner wall of the purification box, and an opening corresponding to the filter screen and the activated carbon adsorption screen is opened on the front side of the purification box, and two mounting plates are connected to the upper and lower sides of the filter screen and the activated carbon adsorption screen, and corresponding threaded holes are opened on the mounting plates and the front side of the purification box, and bolts are threadedly connected in the threaded holes, and handles are connected to the front sides of the filter screen and the activated carbon adsorption screen.

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