A drying device for density board processing

Abstract

The present invention relates to the technical field of density board drying, and discloses a drying device for density board processing, including a drying chamber and a chain conveyor arranged inside the drying chamber, wherein the chain conveyor conveys the density board to be dried in a vertically placed form; a filtering mechanism is arranged at the inner top of the drying chamber, and a second hot air blower blows hot air with moisture from the bottom of the density board to the filtering mechanism, and the filtering mechanism filters the moisture and then blows it back to the drying chamber, thereby filtering the moisture and avoiding excessive loss of the hot air temperature. The present invention performs hot air drying on the density board placed vertically on the conveyor by blowing air from below and from the side at the same time inside the drying chamber, and the density board placed vertically on the conveyor can obtain a more efficient drying effect by blowing air from multiple directions at the same time; the overall blowing is dried by blowing air from below, and the moisture inside the drying chamber is blown to the filtering mechanism at the top, thereby avoiding excessive moisture inside the drying chamber from affecting the actual drying effect.

Description

Technical Field

[0001] The invention relates to the technical field of density board drying, and in particular to a drying device for density board processing. Background Art

[0002] High-density fiberboard is a man-made board made of wood fiber or plant fiber bonded with synthetic resin or adhesive under high temperature and pressure. It has uniform density and strength, as well as good mechanical processing properties, and is widely used in furniture manufacturing, flooring materials and decorative panels. The production mode of high-density fiberboard mostly adopts intermittent production, including wet board stacking, water pressing, transportation, airing (or drying), hot pressing, calendering, trimming and other processes.

[0003] The prior art discloses a high-density fiberboard dryer (application number CN201510765189.8), in which the fiberboard is driven by a conveyor belt to circulate in a drying chamber, thereby achieving full and comprehensive baking, making the fiberboard more efficient in drying. Compared with the existing drying and transportation lines, the dryer stacks a drying line into a multi-layer drying room, which greatly reduces the length of the dryer and makes full use of the space above the factory. However, this technical solution still has the following problems in actual use: the density fiberboard is transported flat inside the drying chamber, and the drying gas inside the drying chamber has a single ejection direction, which will cause uneven heating and drying of the density board, and it is easy to deform during the drying process. Summary of the invention

[0004] The purpose of the present invention is to provide a technical solution to dry the density board vertically transported on the conveyor with multiple heat sources, and at the same time, a filtering structure and a corresponding circulation structure are arranged on the top of the drying chamber to solve the problems in the prior art raised in the above background technology.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A drying device for density board processing, comprising:

[0007] A drying chamber and a chain conveyor arranged inside the drying chamber, wherein the chain conveyor is placed vertically to convey the density board to be dried;

[0008] A first hot air blower is disposed on the inner side of the drying chamber, and a second hot air blower is disposed inside the drying chamber and at the bottom of the chain conveyor. The first hot air blower and the second hot air blower simultaneously perform hot air drying on multiple groups of density boards;

[0009] A filtering mechanism is provided at the inner top of the drying chamber. The second hot air blower blows the hot air with moisture from the bottom of the density board to the filtering mechanism. The filtering mechanism filters the moisture and then blows it back to the drying chamber, thereby filtering the moisture and avoiding excessive loss of the hot air temperature.

[0010] Preferably, two sets of positioning plates with adjustable positions are provided on both sides of the interior of the drying chamber, the first hot air blower is installed on the positioning plates, and a bracket for installing the second hot air blower is provided on the chain conveyor.

[0011] Preferably, a telescopic push rod for adjusting the position of the positioning plate is installed on the inner wall of the drying chamber, and a positioning rod is fixedly connected to the back side of the positioning plate, and the positioning rod is slidably inserted on the side wall of the drying chamber; the positioning plate is provided with several groups of positioning rollers, and the density board to be dried is transported between the positioning rollers of two groups of positioning plates.

[0012] Preferably, the filtering mechanism comprises a filter cavity and a plurality of groups of filter cartridges, the second hot air blower blows the hot air with moisture from the bottom of the density board to the inside of the filter cavity, and the filter cartridges filter the moisture in the hot air.

[0013] Preferably, a blowing plate is installed on one side of the interior of the filter cavity, and an exhaust plate is installed on the other side of the interior of the filter cavity, and the blowing plate blows hot air to the filter cartridge inside the filter cavity from the side.

[0014] Preferably, the filter cartridge is rotatably installed inside the filter chamber via a rotating shaft, and the rotating shafts of multiple groups of filter cartridges are mutually transmitted via a transmission wheel. The rotating shaft of the filter cartridge extends to the outside of the filter chamber and is equipped with a first driving wheel, and a second driving wheel for driving the first driving wheel is installed on the driving shaft of the chain conveyor.

[0015] Preferably, the interior of the filter cartridge is provided with a radial cavity and a storage cavity surrounding the outside of the cavity, the interior of the storage cavity is filled with a hygroscopic medium, the cavity and the storage cavity of the filter cartridge are provided with air holes, and both ends of the cavity of the filter cartridge are provided with air inlets, and the blowing plate blows air into the cavity from the air inlet to dehumidify the hygroscopic medium.

[0016] Preferably, the top exhaust port of the drying chamber is provided with a plurality of groups of exhaust ports, and the side of the drying chamber is provided with a plurality of groups of air inlets.

[0017] Preferably, the second hot air blower is arranged at the inner bottom of the chain conveyor to reduce the distance between the second hot air blower and the density board to be dried.

[0018] Preferably, the chain conveyor includes a driving sprocket, a chain and a driver, a chain plate is arranged between the corresponding chain links of the chain, a positioning frame is installed on the chain plate, the positioning frame limits the density plate on the chain plate so that it remains vertically placed, and the chain conveyor also includes a tensioning adjustment screw, which can adjust the position of the driving sprocket to ensure the tension of the chain.

[0019] Technical effects and advantages of the present invention: Compared with the prior art, the drying device for density board processing proposed by the present invention has the following advantages:

[0020] 1. The present invention uses hot air to dry the density board placed vertically on the conveyor by blowing air from the bottom and the side of the drying chamber at the same time. The vertically placed density board and the simultaneous blowing from multiple directions can achieve a more efficient drying effect.

[0021] 2. The whole drying is done by blowing air from below, and the moisture inside the drying chamber is blown to the filter mechanism at the top to filter the moisture in the air, so as to avoid excessive moisture inside the drying chamber affecting the actual drying effect;

[0022] 3. The filter cartridge inside the drying chamber is equipped with a hygroscopic medium that can absorb moisture. At the same time, the air blowing plate inside the drying chamber can dehumidify the hygroscopic medium in the filter cartridge, so that the filter cartridge can operate in a cyclic hygroscopic manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the external structure of the drying device of the present invention;

[0024] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the drying device of the present invention;

[0025] Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 4 For the present invention Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 5 It is a schematic diagram of the internal front structure of the drying device of the present invention;

[0028] Figure 6 This is one of the schematic diagrams of the internal side structure of the drying device of the present invention;

[0029] Figure 7 The second schematic diagram of the internal side structure of the drying device of the present invention;

[0030] Figure 8 For the present invention Figure 7Schematic diagram of the enlarged structure at C in the middle;

[0031] Fig. 9 It is a structural schematic diagram of the filter cartridge of the present invention;

[0032] Fig.10 It is a schematic diagram of the arrangement of the filter cartridges of the present invention.

[0033] In the figure:

[0034] 1. Drying chamber; 2. Chain conveyor; 3. Filter mechanism;

[0035] 11. Exhaust port; 12. Air inlet; 13. Telescopic push rod; 14. Positioning plate; 15. Positioning roller; 16. First hot air blower; 17. Positioning rod; 18. Second hot air blower;

[0036] 21. driving sprocket; 22. chain; 23. chain plate; 24. positioning frame; 25. driver; 26. tensioning adjustment screw;

[0037] 31. Filter chamber; 32. Filter cartridge; 33. Transmission wheel; 34. First drive wheel; 35. Second drive wheel; 36. Blowing plate; 37. Exhaust plate; 38. Storage chamber; 39. Cavity; 310. Air inlet; 311. Air vent. DETAILED DESCRIPTION

[0038] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that the discussion of these implementations is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Various examples may omit, replace, or add various processes or components as needed. In addition, the features described in some examples may also be combined in other examples.

[0039] The invention provides Figure 1-Figure 10 As shown, a drying device for density board processing comprises:

[0040] A drying chamber 1 and a chain conveyor 2 arranged inside the drying chamber, wherein the chain conveyor 2 is placed vertically to convey the density board to be dried;

[0041] The inner side of the drying chamber 1 is provided with a first hot air blower 16, and the interior of the drying chamber 1 and the bottom of the chain conveyor 2 is provided with a second hot air blower 18, and the first hot air blower 16 and the second hot air blower 18 simultaneously perform hot air drying on multiple groups of density boards;

[0042] The inner top of the drying chamber 1 is provided with a filtering mechanism 3, and the second hot air blower 18 blows the hot air with moisture from the bottom of the density board to the filtering mechanism 3, and the filtering mechanism 3 filters the moisture and then blows it back to the drying chamber 1, thereby achieving moisture filtering and avoiding excessive loss of hot air temperature.

[0043] Working principle: The chain conveyor 2 conveys the density board in a vertical manner, so that the surface of the board is exposed to the hot air to a greater extent, thereby improving the drying efficiency; multi-heat source drying, the drying chamber 1 is provided with a first hot air blower 16 and a second hot air blower 18, which are respectively located on the side and bottom of the chain conveyor 2, to achieve hot air drying of the density board from different directions to ensure uniform heat penetration; moisture filtration and circulation, the second hot air blower 18 blows the hot air with moisture to the filter mechanism 3 at the top of the drying chamber 1, the filter mechanism 3 filters and absorbs the moisture, and then blows the dry hot air back to the drying chamber 1 to form a closed-loop system to reduce heat and moisture. degree loss; improve drying uniformity, through the design of multiple heat sources and vertical transportation, ensure that the density board is heated more evenly during the drying process, and reduce the deformation problem caused by uneven hot air; energy saving and high efficiency, the setting of the filtering mechanism 3 not only improves the moisture treatment efficiency, but also reduces energy consumption by recycling hot air, and improves the energy efficiency of the drying process; improves the working environment, through effective filtration and circulation of hot air, reduces moisture emissions, improves the working environment, and reduces the humidity impact on the external environment; improves product quality, uniform drying and effective moisture management help to improve the quality of the final product and reduce defects.

[0044] like Figure 4 and Figure 5 As shown, regarding the specific installation method of the two groups of hot air blowers, the first hot air blower 16 and the second hot air blower 18, two groups of positioning plates 14 with adjustable positions are provided on both sides of the interior of the drying chamber 1, the first hot air blower 16 is installed on the positioning plates 14, and the chain conveyor 2 is provided with a bracket for installing the second hot air blower 18.

[0045] like Figures 6 to 8 As shown, in order to convey and position the density board from both sides inside the drying chamber 1, a telescopic push rod 13 for adjusting the position of a positioning plate 14 is installed on the inner wall of the drying chamber 1, and a positioning rod 17 is fixedly connected to the back of the positioning plate 14, and the positioning rod 17 is slidably inserted on the side wall of the drying chamber 1; the positioning plate 14 is provided with a plurality of groups of positioning rollers 15, and the density board to be dried is conveyed between the positioning rollers 15 of two groups of positioning plates 14.

[0046] like Figure 6As shown in the figure, regarding the specific structure of the filter mechanism 3, the filter mechanism 3 includes a filter chamber 31 and a plurality of filter cartridges 32. The second hot air blower 18 blows the hot air with moisture from the bottom of the density board to the inside of the filter chamber 31, and the filter cartridges 32 filter the moisture in the hot air. Figure 7 As shown, a blowing plate 36 is installed on one side of the filter chamber 31, and an exhaust plate 37 is installed on the other side of the filter chamber 31. The blowing plate 36 blows hot air to the filter cartridge 32 inside the filter chamber 31 from the side.

[0047] like Figure 7 As shown, in order to drive the multiple groups of filter cartridges 32 to rotate, the filter cartridges 32 are rotatably installed inside the filter chamber 31 through a rotating shaft, and the rotating shafts of the multiple groups of filter cartridges 32 are mutually transmitted through a transmission wheel 33. The rotating shafts of the filter cartridges 32 extend to the outside of the filter chamber 31 and are installed with a first driving wheel 34. The driving shaft of the chain conveyor 2 is installed with a second driving wheel 35 for driving the first driving wheel 34.

[0048] like Fig. 9 and Fig.10 As shown, in order to make the filter cartridge 32 filled with hygroscopic medium recyclable, a blowing structure is used to dehumidify the hygroscopic medium inside the filter cartridge 32, the filter cartridge 32 is provided with a radial cavity 39 and a storage cavity 38 surrounding the cavity 39, the storage cavity 38 is filled with hygroscopic medium, the cavity 39 and the storage cavity 38 of the filter cartridge 32 are provided with air holes 311, the cavity 39 of the filter cartridge 32 is provided with air inlets 310 at both ends, and the blowing plate 36 blows air into the cavity 39 from the air inlet 310 to dehumidify the hygroscopic medium.

[0049] Specifically, Figure 1 and Figure 2 As shown, the top exhaust port 11 of the drying chamber 1 is provided with multiple groups of exhaust ports 11, and the side of the drying chamber 1 is provided with multiple groups of air inlets 12. The second hot air blower 18 is arranged at the inner bottom of the chain conveyor 2 to reduce the distance between the second hot air blower 18 and the density board to be dried. Specifically, as Figures 3 to 6 As shown, the chain conveyor 2 includes a driving sprocket 21, a chain 22 and a driver 25. A chain plate 23 is arranged between the corresponding chain links of the chain 22. A positioning frame 24 is installed on the chain plate 23. The positioning frame 24 limits the density plate on the chain plate 23 so that it remains vertically placed. The chain conveyor 2 also includes a tensioning adjustment screw 26. The tensioning adjustment screw 26 can adjust the position of the driving sprocket 21 to ensure the tension of the chain 22.

[0050] The present invention also has the following comprehensive effects: multi-directional hot air drying, the device realizes multi-directional hot air drying of the density board by arranging the first hot air blower 16 and the second hot air blower 18 above and on the side of the drying chamber 1. This design enables the hot air to contact the density board from different angles, improves the drying efficiency and reduces the problem of uneven drying; moisture circulation filtration, the second hot air blower 18 blows the hot air with moisture to the filter mechanism 3, the filter cylinder 32 filters and absorbs the moisture, and then blows the filtered hot air back to the drying chamber 1 through the blowing plate 36, forming a cycle, reducing heat loss; adjustable positioning plate 14, the adjustable positioning plates 14 on both sides of the drying chamber 1 can be adjusted according to the size of the density board to ensure that the density board is stably placed during the transportation process, and the positioning roller 15 ensures the stability of the board during the transportation process; moisture absorption and regeneration of the filter cylinder 32, the moisture absorption medium inside the filter cylinder 32 can absorb moisture, and the blowing plate 36 dehumidifies the moisture absorption medium inside the filter cylinder 32, so that the filter cylinder 32 can be recycled, improving the filtration efficiency and service life;

[0051] Improve drying efficiency. Through multi-directional hot air drying, the device can dry the density board more quickly and evenly, thereby improving production efficiency; reduce deformation. The vertically placed density board and even hot air drying reduce the deformation of the board during the drying process, thereby ensuring the quality of the finished product; energy saving and environmental protection. The moisture circulation filtration system reduces heat loss, while the recycling of the moisture absorbing medium reduces energy consumption and operating costs; the degree of automation is high. The design of the positioning plate 14, filter cartridge 32 and other components in the device makes the entire drying process more automated, reduces manual operation, and improves the convenience and safety of operation; the device has strong adaptability. The design of the adjustable positioning plate 14 enables the device to adapt to the drying needs of density boards of different sizes and types, and has good versatility and flexibility.

[0052] The above describes an embodiment of the present invention, but this embodiment is not limited to the above specific implementation methods. The above specific implementation methods are merely illustrative and not restrictive. Under the guidance of this embodiment, ordinary technicians in this field can also make many forms, all of which are protected by this embodiment.

Claims

1. A drying device for density board processing, characterized in that: include: A drying chamber (1) and a chain conveyor (2) arranged inside the drying chamber, wherein the chain conveyor (2) is arranged vertically to convey the density board to be dried; A first hot air blower (16) is disposed on the inner side of the drying chamber (1), and a second hot air blower (18) is disposed inside the drying chamber (1) and at the bottom of the chain conveyor (2), wherein the first hot air blower (16) and the second hot air blower (18) simultaneously perform hot air drying on the plurality of density boards; The inner top of the drying chamber (1) is provided with a filtering mechanism (3), and the second hot air blower (18) blows hot air containing moisture from the bottom of the density board to the filtering mechanism (3), and the filtering mechanism (3) filters the moisture and then blows it back to the drying chamber (1), thereby achieving moisture filtering and avoiding excessive loss of hot air temperature. Two groups of position-adjustable positioning plates (14) are arranged on both sides of the interior of the drying chamber (1), the first hot air blower (16) is mounted on the positioning plates (14), and a bracket for mounting the second hot air blower (18) is arranged on the chain conveyor (2); a telescopic push rod (13) for adjusting the position of the positioning plate (14) is installed on the inner side wall of the drying chamber (1), a positioning rod (17) is fixedly connected to the back side of the positioning plate (14), and the positioning rod (17) is slidably plugged into the side wall of the drying chamber (1); the positioning plate (14) is provided with a plurality of groups of positioning rollers (15), and the density board to be dried is conveyed between the positioning rollers (15) of the two groups of positioning plates (14); The filtering mechanism (3) comprises a filtering chamber (31) and a plurality of groups of filtering cartridges (32); the second hot air blower (18) blows hot air containing moisture from the bottom of the density board into the inside of the filtering chamber (31); the filtering cartridges (32) filter the moisture in the hot air; an air blowing plate (36) is installed on one side of the inside of the filtering chamber (31); an exhaust plate (37) is installed on the other side of the inside of the filtering chamber (31); the air blowing plate (36) blows hot air from the side to the filtering cartridges (32) inside the filtering chamber (31); The filter cartridge (32) is rotatably mounted inside the filter chamber (31) via a rotating shaft, the rotating shafts of the plurality of filter cartridges (32) are mutually driven via a transmission wheel (33), the rotating shaft of the filter cartridge (32) extending to the outside of the filter chamber (31) is mounted with a first driving wheel (34), and the driving shaft of the chain conveyor (2) is mounted with a second driving wheel (35) for driving the first driving wheel (34); a radial cavity (39) and a storage cavity (38) surrounding the cavity (39) are arranged inside the filter cartridge (32), the storage cavity (38) is filled with a hygroscopic medium, the cavity (39) and the storage cavity (38) of the filter cartridge (32) are provided with air holes (311), air inlets (310) are arranged at both ends of the cavity (39) of the filter cartridge (32), and the air blowing plate (36) blows air from the air inlet (310) into the cavity (39) to dehumidify the hygroscopic medium; The top exhaust port (11) of the drying chamber (1) is provided with a plurality of exhaust ports (11), and the side of the drying chamber (1) is provided with a plurality of air inlet ports (12); the second hot air blower (18) is arranged at the inner bottom of the chain conveyor (2) to reduce the distance between the second hot air blower (18) and the density board to be dried.

2. A drying device for density board processing according to claim 1, characterized in that: The chain conveyor (2) comprises a driving sprocket (21), a chain (22) and a driver (25); a chain plate (23) is arranged between corresponding chain links of the chain (22); a positioning frame (24) is installed on the chain plate (23); the positioning frame (24) limits the density plate on the chain plate (23) so that it remains vertically placed; the chain conveyor (2) further comprises a tensioning adjustment screw (26); the tensioning adjustment screw (26) can adjust the position of the driving sprocket (21) to ensure the tension of the chain (22).

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