Infrared drying device for formed foil

Abstract

The utility model provides an infrared drying device for formed foil, the infrared drying device comprises a support and two infrared heating furnaces mounted on the support, the two infrared heating furnaces are oppositely arranged in the vertical direction, and a foil passing channel for the formed foil to pass through is arranged between the two infrared heating furnaces; the infrared heating furnace is provided with a plurality of infrared heating pipes, and the infrared heating pipes are horizontally arranged on the upper surface and the lower surface of the formed foil. According to the infrared drying device, heating and drying are conducted through the infrared effect, and compared with a traditional heating type drying furnace, electricity consumption is reduced, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chemical conversion foil preparation, in particular to an infrared drying device for chemical conversion foil. BACKGROUND

[0002] Chemical conversion foil is obtained by reacting metal foil such as aluminum foil with chemical conversion liquid in a chemical conversion system to form an oxide film on the surface of the foil. After chemical conversion treatment, the chemical conversion foil generally needs to be dried on the surface by a drying device such as an oven to stabilize the properties of the aluminum foil.

[0003] Traditional ovens use nickel-chromium wires to heat and convert electrical energy into heat energy to dry the moisture on the surface of the chemical conversion foil and in the pores of the film. These devices need to consume a considerable amount of electrical energy.

[0004] Therefore, it is an urgent problem for those skilled in the art to develop a low-energy chemical conversion foil drying device. CONTENT OF THE INVENTION

[0005] In order to overcome the above-mentioned defects of the prior art, the present application provides an infrared drying device for chemical conversion foil, which uses infrared heating instead of traditional ovens to save electricity and reduce energy consumption.

[0006] Specifically, the infrared drying device includes a support and two infrared heating ovens mounted on the support. The two infrared heating ovens are arranged opposite to each other in the vertical direction, and a foil passage is provided between the two infrared heating ovens for the chemical conversion foil to pass through. The infrared heating oven is provided with a plurality of infrared heating pipes, which are arranged horizontally on the upper and lower surfaces of the chemical conversion foil.

[0007] In an alternative implementation, the infrared heating oven includes an oven cover, two heat insulation side plates, a plurality of infrared heating pipes, and a plurality of reflection plates. The two heat insulation side plates are arranged on both sides of the oven cover, the infrared heating pipes are arranged in parallel inside the oven cover, and the number of reflection plates is consistent with the number of infrared heating pipes. Each reflection plate is arranged on the side of each infrared heating pipe close to the inside of the oven cover, and the reflection surface of the reflection plate faces the outside of the infrared heating oven.

[0008] In an alternative implementation, the heat insulation side plate is filled with heat insulation material.

[0009] In an alternative implementation, a heat preservation inner cavity is formed between the oven cover and the reflection plate, and the heat preservation inner cavity is filled with heat preservation cotton.

[0010] In an alternative implementation, the reflection plate is a concave panel structure, and the outer surface of the concave panel is a smooth reflection surface.

[0011] In an alternative implementation, the focal length of the concave panel is greater than the distance between its optical center and the chemical conversion foil.

[0012] In an alternative implementation, the number of infrared heating pipes is 5 to 10.

[0013] In an alternative implementation, the infrared drying device further comprises a controller, which is electrically connected to each infrared heating pipe.

[0014] According to the technical solutions provided by the foregoing implementations, at least the following beneficial effects are achieved:

[0015] (1) The infrared drying device of the present application uses infrared effect for heating and drying, which saves electricity and reduces energy consumption compared with traditional heating-type drying ovens.

[0016] (2) The infrared drying device of the present application emits infrared rays to the formed foil through the infrared heating pipes, the formed foil surface absorbs the infrared rays, the foil wick of the formed foil generates electromagnetic effect, the electromagnetic waves are converted into heat energy, and the temperature of the formed foil is increased to achieve the heating effect.

[0017] (3) The infrared drying device of the present application can make the water in the holes of the formed foil vibrate to the surface of the formed foil through the electromagnetic short frequency vibration formed by the infrared rays emitted by the infrared heating pipes, so that the formed foil is more easily dried. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 The structure schematic diagram of the infrared drying device provided by an embodiment of the present application is shown in the figure.

[0020] Figure 2 The structure schematic diagram of the infrared heating furnace provided by an embodiment of the present application is shown in the figure.

[0021] Figure 3 The side sectional view of the infrared heating furnace provided by an embodiment of the present application is shown in the figure.

[0022] Figure 4 The partition schematic diagram of the infrared heating furnace provided by an embodiment of the present application is shown in the figure.

[0023] Figure 5 The working schematic diagram of the infrared heating pipe provided by an embodiment of the present application is shown in the figure.

[0024] Explanation of reference signs:

[0025] 1, support; 2, infrared heating furnace; 3, foil passing channel; 4, controller; 5, formed foil; 21, infrared heating tube; 22, furnace cover; 23, heat insulation side plate; 24, reflecting plate; 25, heat preservation inner cavity; 26, heat preservation cotton; 27, heating unit. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] Herein, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0028] In addition, herein, the orientation terms such as "upper", "lower", and the like are defined with respect to the orientation of the structure shown in the drawing, and it should be understood that these directional terms are relative concepts, which are used for relative description and clarification, and can be changed accordingly according to the change of the orientation of the structure.

[0029] Please refer to Figures 1 to 5 , an embodiment of the present application provides an infrared drying device which can perform infrared irradiation and heat radiation on the formed foil 5 to achieve the drying effect of the formed foil 5.

[0030] Specifically, in combination with Figure 1 and Figure 3 , the infrared drying device comprises a support 1 and two infrared heating furnaces 2 mounted on the support 1, the two infrared heating furnaces 2 are oppositely arranged in the vertical direction, and a foil passing channel 3 is arranged between the two infrared heating furnaces 2 for the formed foil 5 to pass through; the infrared heating furnace 2 is provided with a plurality of infrared heating tubes 21, and the infrared heating tubes 21 are arranged horizontally on the upper surface and the lower surface of the formed foil 5.

[0031] The present application adopts the infrared heating furnace 2, when the infrared rays emitted by the infrared heating furnace 2 radiate to the surface of the formed foil 5 with short wave frequency, the magnetic holes on the surface of the foil will absorb the infrared rays to form electromagnetic wave effect in the foil core, so that the electromagnetic wave short frequency of the foil core is converted into heat energy to increase the temperature of the foil core to achieve the heating effect. Moreover, the electromagnetic wave vibration generated by the foil core will vibrate the water in the magnetic holes of the formed foil 5 to the surface of the foil, which is easier to dry the formed foil 5, saves the electricity consumption, and reduces the energy consumption.

[0032] By arranging the infrared heating pipes 21 on both the upper and lower surfaces of the chemical conversion foil 5, the two surfaces of the chemical conversion foil 5 can be uniformly dried.

[0033] In order to achieve drying of the chemical conversion foil 5 without overheating and damaging the chemical conversion foil 5 due to being too close, in the embodiment, the height of the foil passage 3 is 80-100 mm. By arranging the height, the effective drying distance is controlled, and the overheated airflow can be discharged.

[0034] In the embodiment, as shown in Figure 2 In the embodiment, the infrared heating furnace 2 includes a furnace cover 22, two heat insulation side plates 23, a plurality of infrared heating pipes 21, and a plurality of reflection plates 24. The two heat insulation side plates 23 are arranged on the two sides of the furnace cover 22, the infrared heating pipes 21 are arranged in parallel inside the furnace cover 22, the reflection plates 24 are consistent in number with the infrared heating pipes 21, each reflection plate 24 is arranged on the side of each infrared heating pipe 21 close to the inside of the furnace cover 22, and the reflection surface of the reflection plate 24 faces the outside of the infrared heating furnace 2.

[0035] In order to avoid burns caused by accidental contact by personnel, in the embodiment, the heat insulation side plates 23 are filled with heat insulation materials. The heat insulation materials can be glass wool, etc.

[0036] In the embodiment, as shown in Figure 3 and Figure 4 In the embodiment, a heat preservation inner cavity 25 is formed between the furnace cover 22 and the reflection plate 24, and the heat preservation inner cavity 25 is filled with heat preservation cotton 26. The heat preservation cotton 26 can be a conventional heat preservation material.

[0037] In the embodiment, as shown in Figure 4 and Figure 5 In the embodiment, the reflection plate 24 is a concave panel structure, and the outer surface of the concave panel is a smooth reflection surface. Through the design of the concave panel structure, the infrared rays and heat emitted by the infrared heating pipe 21 can be better reflected to the surface of the chemical conversion foil 5.

[0038] In the embodiment, the focal length of the concave panel is greater than the distance between the optical center of the concave panel and the chemical conversion foil 5. Through the design of the focal length, local overheating caused by the focal point being too close to the surface of the chemical conversion foil 5 can be avoided.

[0039] In the application, in order to achieve sufficient drying effect, the number of infrared heating pipes 21 is 5-10.

[0040] In the embodiment, the number of infrared heating pipes 21 of each infrared heating furnace 2 is 6, and the number of reflection plates 24 is consistent with the number of infrared heating pipes 21.

[0041] In the embodiment, as shown in Figure 4As shown, each infrared heating tube 21 and the corresponding reflecting plate 24 constitute a heating unit 27, and each heating unit 27 is arranged along the direction of the traveling of the chemical foils 5, and each heating unit 27 dries the chemical foils 5.

[0042] In combination Figure 1 As shown, in order to realize the control of the infrared drying device 2, the infrared drying device further comprises a controller 4, and the controller 4 is electrically connected with each infrared heating tube 21.

[0043] Specifically, in the embodiment, the controller 4 is an SCR (Silicon Controlled Rectifier) power controller 4. The SCR power controller 4 is used to control the heating system, so that the temperature can be more accurately controlled.

[0044] The infrared drying device provided by the present application uses the combination of the infrared heating tube 21 and the reflecting plate 24, uses the heating effect of infrared, and only needs to control the foil surface temperature to about 85℃ to realize drying, while the traditional drying oven needs the foil surface temperature to be above 170℃ to dry, so that the power consumption is greatly saved and the energy consumption is reduced.

[0045] The above describes the technical solutions provided by the embodiments of the present application in detail, and the principles and implementation manners of the present application are explained by using specific embodiments; the above description is only used to help understand the method of the present application and its core mechanism; meanwhile, for those skilled in the art, according to the idea of the present application, the specific embodiments and application range will be changed, and the above description should not be understood as the limitation of the present application.

Claims

1. An infrared drying apparatus for forming foil, characterized in that: The infrared drying device includes a support frame and two infrared heating furnaces mounted on the support frame. The two infrared heating furnaces are arranged vertically opposite each other, and a foil passage is provided between the two infrared heating furnaces for the formation of the foil to pass through. Each infrared heating furnace is provided with a plurality of infrared heating tubes, which are arranged horizontally on the upper and lower surfaces of the formation of the foil. The infrared heating furnace includes a furnace cover, two heat-insulating side plates, a plurality of infrared heating tubes, and a plurality of reflectors. The two heat-insulating side plates are respectively arranged on both sides of the furnace cover. The infrared heating tubes are arranged in parallel inside the furnace cover. The number of reflectors is the same as the number of infrared heating tubes. Each reflector is located on the side of each infrared heating tube closest to the inside of the furnace cover, and the reflective surface of the reflector faces the outside of the infrared heating furnace.

2. The infrared drying apparatus according to claim 1, characterized in that: The heat-insulating side panel is filled with heat-insulating material.

3. The infrared drying apparatus according to claim 1, characterized in that: A heat-insulating inner cavity is formed between the furnace hood and the reflector, and the heat-insulating inner cavity is filled with heat-insulating cotton.

4. The infrared drying apparatus according to claim 1, characterized in that: The reflector is a concave panel structure, and the outer surface of the concave panel is a smooth reflective surface.

5. The infrared drying apparatus according to claim 4, characterized in that: The focal length of the concave panel is greater than the distance between its optical center and the forming foil.

6. The infrared drying apparatus according to claim 1, characterized in that: The number of infrared heating tubes is 5 to 10.

7. The infrared drying apparatus according to claim 1, characterized in that: The height of the foil passage is 80-100mm.

8. The infrared drying apparatus according to claim 1, characterized in that: The infrared drying device also includes a controller, which is electrically connected to each of the infrared heating tubes.

9. The infrared drying apparatus according to claim 8, characterized in that: The controller is an SCR power controller.

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