Drying device for glass processing

Abstract

The utility model relates to a drying device for glass processing, which comprises a feeding mechanism and a heating chamber, the feeding mechanism is arranged in the heating chamber, the heating chamber is divided into three sections, the heating chamber specifically comprises a preheating area, a middle heating area and a drying area, the preheating area is arranged at the initial end of the feeding direction of the feeding mechanism, and the middle heating area is arranged in the drying area. The drying area is arranged at the tail end of the feeding direction of the feeding mechanism, the middle heating area is arranged between the preheating area and the drying area, the temperature of the drying area is larger than that of the middle heating area, and when a fan runs, heat generated by an electric heater can form convection through hot air in a first heating cavity, and therefore the heat generated by the electric heater is heated to the drying area. The hot air can be transmitted to the second heating cavity and the third heating cavity from the first heating cavity, due to the distance relation between the different heating cavities, the hot air can have energy loss in the transmission process, and therefore the heating cavity far away from the heat source obtains less heat, namely the temperature in the preheating area is relatively low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of glass processing, especially to a drying device for glass processing. BACKGROUND

[0002] In the glass processing industry, drying is an indispensable process. Glass often contains a certain amount of moisture during the manufacturing process. If it is not dried in time and properly, it will have a serious impact on the performance and quality of the glass.

[0003] Traditional drying devices have many shortcomings. The common drying methods are single-temperature drying or temperature-rapidly-increasing drying mode. In single-temperature drying, if the temperature is not set properly, it may not be dried thoroughly or cause glass deformation, cracking, and other problems due to local overheating. The temperature-rapidly-increasing drying mode greatly increases the risk of internal thermal stress of the glass. Glass is a material with a relatively small coefficient of thermal expansion. When the temperature changes rapidly, the inner and outer layers of the glass are not evenly heated, the outer layer expands or shrinks rapidly, and the inner layer changes relatively slowly, which causes a large thermal stress in the glass. When the thermal stress exceeds the strength limit of the glass, the glass will crack. This glass cracking problem caused by temperature changes seriously reduces the yield of glass products, increases production costs, and limits the production efficiency and product quality improvement of the glass processing industry. SUMMARY

[0004] To solve the above technical problems, the utility model provides a drying device for glass processing.

[0005] The drying device for glass processing provided by the utility model adopts the following technical scheme:

[0006] A drying device for glass processing, comprising a feeding mechanism and a heating chamber, the feeding mechanism is arranged in the heating chamber, the heating chamber is designed in three sections, and the heating chamber specifically comprises a preheating zone, an intermediate heating zone, and a drying zone, the preheating zone is arranged at the initial end of the feeding direction of the feeding mechanism, the drying zone is arranged at the terminal end of the feeding direction of the feeding mechanism, the intermediate heating zone is arranged between the preheating zone and the drying zone, and the temperature of the drying zone is greater than that of the intermediate heating zone, which is greater than that of the preheating zone.

[0007] Preferably, the heating assembly further comprises a fan and an electric heater, the fan is arranged on the top of the drying area, a heating cavity I is arranged in the drying area, the electric heater is arranged in the heating cavity I, the air inlet of the fan penetrates through the heating cavity I and is aligned with the electric heater, the inner wall of the heating cavity I is provided with an air outlet, a heating cavity II is arranged in the intermediate heating area, a heating cavity III is arranged in the preheating area, the heating cavity II is communicated with the heating cavity I and the heating cavity III respectively, and the inner walls of the heating cavity II and the heating cavity III are also provided with air outlets.

[0008] Preferably, air inlets are arranged between the heating cavity II and the heating cavity I and between the heating cavity II and the heating cavity III, and valves are arranged on the air inlets.

[0009] Preferably, the inner wall of the heating cavity I is inclined, and the air outlet of the inner wall of the heating cavity I is aligned with the feeding mechanism.

[0010] Preferably, the feeding mechanism comprises a conveying belt and a driving motor, the conveying belt penetrates through the preheating area, the intermediate heating area and the drying area, and the driving motor is in transmission connection with the conveying belt and is used for driving the conveying belt to convey the glass at a constant speed.

[0011] Preferably, the inner wall of the heating chamber is provided with a heat insulation layer made of heat insulation material.

[0012] In summary, the utility model has at least one of the following beneficial technical effects:

[0013] 1. When the fan is running, the heat generated by the electric heater will form a convection through the hot air in the heating cavity I, and the hot air will be transmitted from the heating cavity I to the heating cavity II and the heating cavity III. Due to the distance relationship between different heating cavities, the hot air will lose energy during the transmission process, so that the heating cavity far away from the heat source obtains relatively less heat, that is, the temperature in the preheating area is relatively low.

[0014] 2. When the glass just enters the heating chamber, it is in a normal temperature state, and the temperature of the preheating area will slowly heat the glass, so as to avoid the generation of excessive thermal stress on the surface and the inside of the glass due to the sharp change of temperature and prevent the glass from breaking, deforming and other quality problems due to sudden exposure to high temperature;

[0015] 3. The temperature of the intermediate heating zone is higher than the preheating zone, which further increases the temperature of the glass on the basis of the preheating zone, and this zone can make the glass continue to stably absorb heat on the basis of the preheating, and raise the temperature of the glass to a higher level, accelerate the migration of the water in the glass to the surface, and the drying zone is the highest temperature zone, in which the water on the surface and inside of the glass will evaporate rapidly to achieve the purpose of complete drying, the strong heat supply of this zone can make the glass reach the required drying degree, and the high temperature and high air volume (due to the fan arranged in this zone) can make the glass complete the final drying operation in a short time, and ensure that there is no water residue on the surface of the glass. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of a drying device for glass processing.

[0017] Figure 2 It is a front view of a drying device for glass processing.

[0018] Figure 3 It is Figure 2 Sectional view along A-A line.

[0019] Figure 4 It is a side view of a drying device for glass processing.

[0020] Figure 5 It is Figure 4 Sectional view along B-B line.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, feeding mechanism; 2, heating chamber; 3, preheating zone; 4, intermediate heating zone; 5, drying zone; 6, heating assembly; 61, fan; 62, electric heater; 7, heating cavity one; 8, heating cavity two; 9, heating cavity three; 10, air inlet pipe; 11, air outlet. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the meaning of "several" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0025] The utility model discloses a kind of drying device for glass processing. Refer to Figures 1-5 A drying device for glass processing includes a feeding mechanism 1 and a heating chamber 2, the feeding mechanism 1 is arranged in the heating chamber 2, the heating chamber 2 is divided into three sections, the heating chamber 2 specifically includes a preheating zone 3, an intermediate heating zone 4 and a drying zone 5, the preheating zone 3 is arranged at the initial end of the feeding direction of the feeding mechanism 1, the drying zone 5 is arranged at the end of the feeding direction of the feeding mechanism 1, the intermediate heating zone 4 is arranged between the preheating zone and the drying zone 5, the temperature of the drying zone 5 is greater than the temperature of the intermediate heating zone 4, which is greater than the temperature of the preheating zone 3, a heating assembly 6 is arranged in the heating chamber 2, the heating assembly 6 includes a fan 61 and an electric heater 62, the fan 61 is arranged at the top of the drying zone 5, a heating cavity one 7 is arranged in the drying zone 5, the electric heater 62 is arranged in the heating cavity one 7, the air inlet of the fan 61 passes through the heating cavity one 7 and is aligned with the electric heater 62, an air outlet 11 is arranged on the inner wall of the heating cavity one 7, a heating cavity two 8 is arranged in the intermediate heating zone 4, a heating cavity three 9 is arranged in the preheating zone 3, the two ends of the heating cavity two 8 are communicated with the heating cavity one 7 and the heating cavity three 9 respectively, the inner walls of the heating cavity two 8 and the heating cavity three 9 are also provided with air outlets 11, through this design, when the fan 61 operates, it will form a convection of hot air in the heating cavity one 7 by the heat generated by the electric heater 62, the hot air will be transferred from the heating cavity one 7 to the heating cavity two 8 and the heating cavity three 9, due to the distance relationship between different heating cavities, the hot air will have energy loss in the transfer process, resulting in that the heating cavities far from the heat source obtain relatively less heat, that is to say, the temperature in the preheating zone 3 is relatively low, when the glass just enters the heating chamber 2, it is in normal temperature state, the temperature of the preheating zone 3 will make the glass slowly warm up, so as to avoid that the glass surface and the inside generate excessive thermal stress due to the sharp change of temperature, prevent the glass from breaking, deforming and other quality problems due to sudden exposure to high temperature;

[0026] The temperature of the intermediate heating zone 4 is higher than the preheating zone 3, which further increases the temperature of the glass on the basis of the preheating zone 3, and this zone can make the glass continue to stably absorb heat on the basis of having been preheated, increase the temperature of the glass to a higher level, accelerate the migration of the moisture in the glass to the surface, and the drying zone 5 is the highest temperature zone, in which the moisture on the surface and in the interior of the glass is rapidly evaporated to achieve the purpose of complete drying, the strong heat supply of the zone can make the glass reach the required drying degree, and the high temperature and high air volume (due to the fan 61 arranged in the zone) can make the glass complete the final drying operation in a short time and ensure that the surface of the glass is free of moisture.

[0027] The air inlet pipe 10 is arranged between the heating cavity two 8 and the heating cavity one 7, and the air inlet pipe 10 is also arranged between the heating cavity two 8 and the heating cavity three 9, and the air inlet pipe 10 is provided with a valve, and by adjusting the valve of the air inlet pipe 10, the amount of hot air flow from the heating cavity one 7 into the heating cavity two 8 can be controlled, so as to realize accurate control of the temperature of the intermediate heating zone 4.

[0028] The inner wall of the heating cavity one 7 is inclined, and the air outlet 11 of the inner wall of the heating cavity one 7 is aligned with the feeding mechanism 1, when the hot air flows in the heating cavity one 7, the inclined inner wall can guide the hot air to form a certain flow direction and speed, so that the hot air has a stronger convection effect, and the inner wall of the heating chamber 2 is provided with a heat insulation layer made of heat insulation material.

[0029] The feeding mechanism 1 comprises a conveying belt and a driving motor, the conveying belt passes through the preheating zone 3, the intermediate heating zone 4 and the drying zone 5, and the driving motor is in transmission connection with the conveying belt and is used for driving the conveying belt to convey the glass at a constant speed.

[0030] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the basis of the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A drying apparatus for glass processing, characterized by: The utility model provides a glass drying device, including feeding mechanism (1) and heating chamber (2), feeding mechanism (1) is arranged in heating chamber (2), heating chamber (2) is divided into three section design, heating chamber (2) specifically includes preheating zone (3), intermediate heating zone (4) and drying zone (5), preheating zone (3) is arranged in the initial end of feeding mechanism (1) feeding direction, drying zone (5) is arranged in the end of feeding mechanism (1) feeding direction, intermediate heating zone (4) is arranged between preheating zone (3) and drying zone (5), the temperature of drying zone (5) is greater than the temperature of intermediate heating zone (4) is greater than the temperature of preheating zone (3).

2. The drying apparatus for glass processing according to claim 1, characterized by: It also includes a heating assembly (6), which includes a fan (61) and an electric heater (62), the fan (61) is arranged at the top of the drying zone (5), a heating cavity one (7) is arranged in the drying zone (5), the electric heater (62) is arranged in the heating cavity one (7), the air inlet of the fan (61) passes through the heating cavity one (7) and is aligned with the electric heater (62), the inner wall of the heating cavity one (7) is provided with an air outlet (11), a heating cavity two (8) is arranged in the intermediate heating zone (4), a heating cavity three (9) is arranged in the preheating zone (3), the two ends of the heating cavity two (8) are respectively communicated with the heating cavity one (7) and the heating cavity three (9), the inner walls of the heating cavity two (8) and the heating cavity three (9) are also provided with air outlets (11).

3. The drying apparatus for glass processing according to claim 2, characterized by: The heating cavity two (8) and the heating cavity one (7) are provided with an air inlet pipe (10), the heating cavity two (8) and the heating cavity three (9) are also provided with an air inlet pipe (10), and the air inlet pipe (10) is provided with a valve.

4. The drying apparatus for glass processing according to claim 2, characterized by: The inner wall of the heating cavity one (7) is inclined, and the air outlet (11) of the inner wall of the heating cavity one (7) is aligned with the feeding mechanism (1).

5. The drying apparatus for glass processing according to claim 1, characterized by: The feeding mechanism (1) includes a conveyor belt and a drive motor, the conveyor belt passes through the preheating zone (3), the intermediate heating zone (4) and the drying zone (5), and the drive motor is in transmission connection with the conveyor belt to drive the conveyor belt to convey the glass at a constant speed.

6. The drying apparatus for glass processing according to claim 1, characterized by: The inner wall of the heating chamber (2) is provided with a heat insulation layer made of heat insulation material.

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