Drying device for melamine impregnated paper

Abstract

The utility model discloses a melamine impregnated paper drying device which comprises a drying box, a preheating and deodorizing mechanism is arranged outside the drying box, and the preheating and deodorizing mechanism comprises an exhaust fan, a heating device, a heating device and a heating device. The preheating assembly is arranged above the drying box, the preheating assembly exchanges heat with the waste gas extracted from the drying box, and the exchanged heat is used for preheating the melamine impregnated paper entering the drying box; and the odor removal assembly is arranged on the right side of the drying box, and the odor removal assembly is used for removing the odor of the waste gas passing through the preheating assembly. According to the drying device for the melamine impregnated paper, when gas in the drying box body is pumped out, heat exchange is conducted on the gas through the preheating assembly, the melamine impregnated paper is preheated through the preheating assembly, the subsequent drying efficiency can be improved, meanwhile, the pumped-out gas is filtered through a filter element in the deodorization assembly, and peculiar smells are avoided.

Description

Technical Field

[0001] This utility model relates to the field of melamine-impregnated paper processing technology, specifically to a drying device for melamine-impregnated paper. Background Technology

[0002] Melamine-impregnated paper, also known as "melamine" paper, is a type of plain paper or printed decorative paper that has been impregnated with amino resin (melamine-formaldehyde resin and urea-formaldehyde resin) and dried to a certain degree, resulting in a certain resin content and volatile content. It can be glued together with each other or glued to a wood-based panel substrate by hot pressing.

[0003] Referring to patent publication number "CN214271493U", a drying device for melamine-impregnated paper is disclosed. The upper and lower air hoods are respectively fixedly connected to the ends away from the air cavity by a first air guide pipe and a second air guide pipe. The ends of the first and second air guide pipes away from the air cavity are respectively fixedly connected to a first drying box and a second drying box. The ends of the first and second air guide pipes away from the air cavity are both fixedly connected to a dustproof net cover. The inner top side of the air cavity is provided with a first exhaust fan and a second exhaust fan respectively, corresponding to the positions of the upper air hood and the inner bottom side is provided with the positions of the lower air hood.

[0004] This patent enables double-sided drying of melamine-impregnated paper. Existing drying devices for melamine-impregnated paper extract hot air from the drying chamber and then use this hot air to perform a secondary drying of the melamine-impregnated paper. However, the melamine-impregnated paper emits an odor during the drying process. This odor mainly comes from the waste gas generated by the evaporation of solvents and moisture in the drying process. This waste gas has an irritating odor and may be harmful to human health and the environment. Dust screens alone cannot remove the odor from the extracted gas. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a drying device for melamine-impregnated paper, which solves the problem of irritating odors in the gas inside the drying chamber of existing melamine-impregnated paper drying devices.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a drying device for melamine-impregnated paper includes a drying box, and a preheating and deodorizing mechanism is provided on the outside of the drying box, the preheating and deodorizing mechanism including: an exhaust fan;

[0007] A preheating component is located above the drying chamber and is connected to the drying chamber via the exhaust fan. It is used to preheat the melamine-impregnated paper.

[0008] A deodorizing component is located on the right side of the drying chamber and connected to the preheating component for removing odors from the exhaust gas. The deodorizing component includes a deodorizing box and a cover plate. The deodorizing box is fixedly connected to the left side of the drying chamber. Two C-shaped plates are fixedly connected to the left side of the cover plate. A filter element for deodorizing the exhaust gas is placed between the two C-shaped plates. The filter element is inserted into the deodorizing box through the cover plate. The front and back of the deodorizing box are provided with mounting components for locking the cover plate in position.

[0009] Preferably, the installation assembly includes a stop block, and the stop block is connected to the front rotating rod of the deodorizing box. A T-shaped rod is slidably connected to the right side of the stop block, and the T-shaped rod passes through the stop block and extends to one end of the left side of the stop block, where a cam handle is rotatably connected.

[0010] Preferably, a fixing plate is fixedly connected to the front of the cover plate, and a U-shaped groove is opened inside the fixing plate to cooperate with the T-shaped rod. After the T-shaped rod is rotated, it enters the U-shaped groove, and the T-shaped rod moves left and right in the U-shaped groove when the cam handle is rotated to complete the locking and unlocking operation.

[0011] Preferably, the preheating component includes two water storage tanks, an upper and a lower one, which are fixed together by a connector and have a gap between them. The lower water storage tank is fixedly connected to the top of the drying chamber. The interior of both water storage tanks is filled with heat exchange medium, and a heat-conducting plate is fixedly connected to one side of each of the two water storage tanks.

[0012] Preferably, the left and right sides of the two water storage tanks are respectively fixedly connected by a left T-pipe and a right T-pipe, and a buffer box is fixedly connected between the left and right sides of the inner wall of the water storage tank, and the buffer box is connected to the left T-pipe. The top and bottom of the buffer box are provided with multiple grooves.

[0013] Preferably, the exhaust fan is connected to the left tee pipe via a connecting pipe, the right tee pipe is connected to the top of the deodorizing box, and an exhaust port is opened at the bottom of the deodorizing box. The drying box is equipped with two sets of infrared heaters and multiple guide rollers inside, and auxiliary rollers are provided on the front and back of the drying box.

[0014] Beneficial effects

[0015] This invention provides a drying device for melamine-impregnated paper. Compared with the prior art, it has the following advantages:

[0016] 1. The melamine-impregnated paper drying device includes a deodorization component comprising a deodorization box and a cover plate. The deodorization box is fixedly connected to the left side of the drying box. The left side of the cover plate is fixedly connected to two C-shaped plates. When the gas in the drying box is extracted, the gas undergoes heat exchange through the preheating component and preheats the melamine-impregnated paper through this component, which helps to improve the subsequent drying efficiency. At the same time, the extracted gas is filtered through the filter element in the deodorization component to avoid odors and improve the practicality of the device during use.

[0017] 2. The melamine-impregnated paper drying device includes a baffle block installed in the assembly. The baffle block is connected to the rotating rod on the front of the deodorizing box. A T-shaped rod is slidably connected to the right side of the baffle block. The T-shaped rod passes through the baffle block and extends to the left side of the baffle block, where a cam handle is rotatably connected. The filter element in the deodorizing box can be removed. The removal and installation process is operated through the assembly, which facilitates replacement of the filter element after it fails, thus improving the convenience of using the device. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the appearance of the present utility model;

[0019] Figure 2 This is a schematic diagram of the preheating and deodorizing mechanism of this utility model;

[0020] Figure 3 This is an exploded view of the preheating component of this utility model;

[0021] Figure 4 This is an exploded view of the odor removal component of this utility model.

[0022] In the diagram: 1. Drying oven; 2. Exhaust fan; 3. Preheating assembly; 31. Water storage tank; 32. Left tee pipe; 33. Right tee pipe; 34. Buffer box; 35. Groove; 36. Heat conduction plate; 4. Deodorizing assembly; 41. Deodorizing box; 42. Cover plate; 43. C-shaped plate; 44. Filter element; 45. Mounting assembly; 451. Stop block; 452. T-shaped rod; 453. Cam handle; 454. Fixing plate; 455. U-shaped groove; 5. Auxiliary roller. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4 The drying device for melamine-impregnated paper offers two technical solutions:

[0025] The first embodiment includes a drying oven 1, and a preheating and deodorizing mechanism is provided on the outside of the drying oven 1. The preheating and deodorizing mechanism includes an exhaust fan 2.

[0026] A preheating component 3, positioned above the drying chamber 1, is connected to the drying chamber 1 via an exhaust fan 2. It is used to preheat the melamine-impregnated paper. The preheating component 3 includes two water storage tanks 31, upper and lower, fixed together by connectors with a gap between them. The lower water storage tank 31 is fixedly connected to the top of the drying chamber 1. Both water storage tanks 31 are filled with heat exchange medium, which can be water. Heat-conducting plates are fixedly connected to opposite sides of each water storage tank 31. A left T-pipe 32 and a right T-pipe 33 are fixedly connected to the left and right sides of each water storage tank 31, respectively. A buffer box 34 is fixedly connected between the left and right sides of the inner wall of each water storage tank 31. The buffer box 34 is connected to the left three-way pipe 32. Multiple grooves 35 are provided on the top and bottom of the buffer box 34. Exhaust gas enters the buffer box 34 and fills the buffer box, which is conducive to rapid heat exchange. The exhaust fan 2 is connected to the left three-way pipe 32 through the connecting pipe. The right three-way pipe 33 is connected to the top of the deodorizing box 41. The bottom of the deodorizing box 41 has an exhaust port, which is connected to an external pipe and guides the gas to be discharged. The drying box 1 is equipped with two sets of infrared heaters and multiple guide rollers. The front and back of the drying box 1 are equipped with auxiliary rollers 5. The guide rollers are used to guide the melamine impregnated paper in the drying box 1, and the auxiliary rollers 5 are used to guide the melamine impregnated paper in and out.

[0027] The deodorization component 4 is located on the right side of the drying chamber 1 and is connected to the preheating component 3. It is used to remove odors from the exhaust gas. The deodorization component 4 includes a deodorization box 41 and a cover plate 42. The deodorization box 41 is fixedly connected to the left side of the drying chamber 1. Two C-shaped plates 43 are fixedly connected to the left side of the cover plate 42. A filter element 44 for deodorizing the exhaust gas is placed between the two C-shaped plates 43. The filter element 44 is inserted into the deodorization box 41 through the cover plate 42. The filter element 44 is divided into three layers, from top to bottom: a filter screen, an alkaline solid desiccant, and activated carbon. The front and back of the deodorization box 41 are provided with mounting components 45 for locking the cover plate 42 in position.

[0028] When the gas is extracted from the drying chamber 1, the gas undergoes heat exchange through the preheating component 3 and is used to preheat the melamine-impregnated paper, which helps to improve the subsequent drying efficiency. At the same time, the extracted gas is filtered through the filter element 44 in the deodorizing component 4 to avoid odors and improve the practicality of the device.

[0029] The second embodiment differs from the first embodiment in that: the mounting component 45 includes a stop block 451, and the stop block 451 is connected to the front rotating rod of the deodorizing box 41. A T-shaped rod 452 is slidably connected to the right side of the stop block 451. The T-shaped rod 452 passes through the stop block 451 and extends to the left side of the stop block 451, where a cam handle 453 is rotatably connected. A fixing plate 454 is fixedly connected to the front of the cover plate 42. A U-shaped groove 455 that cooperates with the T-shaped rod 452 is opened inside the fixing plate 454. After the T-shaped rod 452 rotates, it enters the U-shaped groove 455. When the cam handle 453 rotates, the T-shaped rod 452 moves left and right in the U-shaped groove 455 to complete the locking and unlocking operation.

[0030] The filter element 4 in the deodorizing chamber 41 can be removed. The removal and installation process is carried out through the installation component 45, which facilitates replacement of the filter element 44 after it fails, improving the convenience of using the device.

[0031] In use, the melamine-impregnated paper is passed between the two water tanks 31, and then passed from the rear to the front of the drying chamber 1. The infrared heater is activated to dry the melamine-impregnated paper. At the same time, the exhaust fan 2 is activated to extract the gas inside the drying chamber 1 and into the buffer box 34. The heated gas enters the buffer box 34 and exchanges heat with the heat exchange medium, increasing the temperature of the heat exchange medium. The heat is then dissipated through the heat conduction plate 36, thus dissipating the heat entering the drying chamber 1. The melamine-impregnated paper is preheated, and the exhaust gas after heat exchange enters the deodorization box 41. The gas is filtered and adsorbed by the filter element 44 and finally discharged, thus avoiding the problem of irritating gas discharge. In addition, when the filter element 44 needs to be replaced after long-term use, turn the cam handle 453 to release the T-shaped rod 452 from the clamping of the fixing plate 454, and turn the T-shaped rod 452 to make the T-shaped rod 452 come out of the U-shaped groove 455. At this time, the filter element 44 can be taken out from the deodorization box 41.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drying apparatus for melamine-impregnated paper, comprising a drying chamber (1), characterized in that: The drying oven (1) is provided with a preheating and deodorizing mechanism on the outside, which includes an exhaust fan (2). A preheating component (3) is set above the drying box (1); the preheating component (3) is connected to the drying box (1) through the exhaust fan (2) and is used to preheat the melamine impregnated paper; The deodorizing component (4) is located on the right side of the drying box (1) and connected to the preheating component (3) for removing odors from the exhaust gas. The deodorizing component (4) includes a deodorizing box (41) and a cover plate (42). The deodorizing box (41) is fixedly connected to the left side of the drying box (1). The left side of the cover plate (42) is fixedly connected to two C-shaped plates (43). A filter element (44) for deodorizing the exhaust gas is placed between the two C-shaped plates (43). The filter element (44) is inserted into the deodorizing box (41) through the cover plate (42). The front and back of the deodorizing box (41) are provided with mounting components (45) for locking the cover plate (42).

2. The drying apparatus for melamine-impregnated paper according to claim 1, characterized in that: The mounting assembly (45) includes a stop (451) and the stop (451) is connected to the front rotating rod of the deodorizing box (41). A T-shaped rod (452) is slidably connected to the right side of the stop (451). The T-shaped rod (452) passes through the stop (451) and extends to the left side of the stop (451), where a cam handle (453) is rotatably connected.

3. The drying apparatus for melamine-impregnated paper according to claim 2, characterized in that: A fixing plate (454) is fixedly connected to the front of the cover plate (42). The fixing plate (454) has a U-shaped groove (455) inside that cooperates with the T-shaped rod (452). After the T-shaped rod (452) rotates, it enters the U-shaped groove (455). When the cam handle (453) rotates, the T-shaped rod (452) moves left and right in the U-shaped groove (455) to complete the locking and unlocking operation.

4. The drying apparatus for melamine-impregnated paper according to claim 1, characterized in that: The preheating component (3) includes two water storage tanks (31) at the top and bottom. The two water storage tanks (31) are fixed by a connector and there is a gap between the two water storage tanks (31). The lower water storage tank (31) is fixedly connected to the top of the drying box (1). The interior of the two water storage tanks (31) is filled with heat exchange medium. A heat conduction plate is fixedly connected to the opposite side of the two water storage tanks (31).

5. A drying apparatus for melamine-impregnated paper according to claim 4, characterized in that: The left and right sides of the two water storage tanks (31) are respectively connected by a left tee pipe (32) and a right tee pipe (33). A buffer box (34) is fixedly connected between the left and right sides of the inner wall of the water storage tank (31), and the buffer box (34) is connected to the left tee pipe (32). Multiple grooves (35) are provided on the top and bottom of the buffer box (34).

6. A drying apparatus for melamine-impregnated paper according to claim 5, characterized in that: The exhaust fan (2) is connected to the left three-way pipe (32) through the connecting pipe, and the right three-way pipe (33) is connected to the top of the deodorizing box (41). The deodorizing box (41) has an exhaust port at the bottom. The drying box (1) is equipped with two sets of infrared heaters and multiple guide rollers inside, and auxiliary rollers (5) are provided on the front and back of the drying box (1).

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