A hot air circulating drying oven for drying glass bottles

Abstract

The utility model aims at providing a kind of hot air circulation drying oven for glass bottle drying for realizing oblique blowing hot air, accelerate the evaporation of moisture in glass bottle. The utility model includes rack, the drying cavity is formed in the rack, the outer periphery of the drying cavity is formed with the circulation circulation cavity for hot air to flow through;Two air deflectors, two the air deflector symmetrically set in the side wall of the drying cavity, the surface of each air deflector is inclinedly provided with several air deflection tubes for guiding hot air;Several heating pipe fittings, each heating pipe fitting is fixedly connected with the top of the rack, and the heat release end of each heating pipe fitting is arranged in the circulation circulation cavity, to improve temperature;Internal circulation component, fixedly connected to the top of the rack, for accelerating air circulation;Dehumidification exhaust component, fixedly connected to the drying cavity, for timing air extraction and dehumidification. The utility model is applied to the technical field of glass bottle drying oven.

Description

Technical Field

[0001] This utility model relates to the technical field of glass bottle drying ovens, and in particular to a hot air circulating drying oven for drying glass bottles. Background Technology

[0002] Glass bottles are a type of packaging container. Despite the influx of various packaging materials into the market, glass containers still hold an important position in beverage packaging. In food and industrial production, glass bottles must be dried after cleaning to prevent moisture inside and on the surface of the bottle from adversely affecting subsequent processing.

[0003] Currently used hot air drying ovens for glass bottles introduce hot air from both sides to evaporate moisture from the glass bottle body and interior, achieving a drying effect. For example, Chinese utility model patent CN207797629U discloses a drying device for cosmetic glass bottles. The bottom of the drying oven's inner cavity has a water collection tank, and the top of the blower has a branch pipe. The other end of the branch pipe penetrates the side wall of the drying oven and has two sets of vertical pipes located on the left and right sides of the inner wall. Heating devices are installed on the branch pipes. The vertical pipe has air outlets evenly distributed on one side near the center of the drying chamber. A blower and a heating device are used to increase the drying air in the drying chamber. Temperature and humidity sensors are used to detect the temperature and humidity in the drying chamber. A motor and a rotating shaft are used to rotate the cosmetic glass bottle. In this invention, the glass bottle is placed upside down in the clamping groove, and hot air is blown in from both sides. Due to the small bottle opening, the hot air blown in parallel has difficulty entering the glass bottle, resulting in slow drying of the moisture inside the glass bottle and reduced drying efficiency. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a hot air circulation drying box for drying glass bottles, which realizes inclined hot air blowing to accelerate the evaporation of moisture inside the glass bottles.

[0005] The technical solution adopted by this utility model is as follows: This utility model includes a frame, in which a drying chamber is formed, and a circulating cavity for hot air circulation is formed on the outer periphery of the drying chamber; two air guide plates, which are symmetrically arranged on the side wall of the drying chamber, and each air guide plate has several guide pipes inclinedly arranged on its surface for guiding hot air; several heating pipes, each of which is fixedly connected to the top of the frame, and the heat-releasing end of each heating pipe is arranged in the circulating cavity for increasing the temperature; an internal circulation component, which is fixedly connected to the top of the frame for accelerating airflow circulation; and a dehumidification and exhaust component, which is fixedly connected to the drying chamber for timed air extraction and dehumidification.

[0006] Furthermore, the internal circulation component includes a mounting plate, a circulating fan, and circulating fan blades. The mounting plate is fixedly connected to the top of the frame, the circulating fan is fixedly connected to the middle of the mounting plate, the circulating fan blades are connected to the movable end of the circulating fan, and the sidewall of the circulating fan blades is formed with a plurality of propulsion plates for pushing airflow.

[0007] Furthermore, the dehumidification and exhaust assembly includes an exhaust pipe fixedly connected to the frame for exhausting air, an exhaust device detachably connected to the air inlet end of the exhaust pipe, and an external exhaust cover fixedly connected to the drying chamber. The external exhaust cover is fixedly connected to the outer periphery of the exhaust device, and an air intake plate for entering humid and hot air is fixedly connected to the bottom of the external exhaust cover.

[0008] Furthermore, a temperature sensor is provided on the top of the frame, and the detection end of the temperature sensor is located in the circulation cavity.

[0009] Furthermore, a guide rail groove for guiding the trolley into the drying chamber is formed at the bottom, a fixing plate for separating the trolley is formed in the middle of the drying chamber, and a plurality of return holes for airflow circulation are formed at the top of the drying chamber.

[0010] Furthermore, the circulating cavity is U-shaped.

[0011] Furthermore, the guide pipes located in the lower part of the air guide plate are all inclined upwards, and the guide pipes located in the upper part of the air guide plate are all inclined downwards.

[0012] Furthermore, the inclination angle of the guide tube is 10 degrees to 25 degrees.

[0013] Furthermore, the diameter of several of the guide tubes increases sequentially from top to bottom in the vertical direction.

[0014] The beneficial effects of this utility model are as follows: This utility model adopts an inclined drainage tube structure. After the hot air is blown out along the drainage tube, it forms a certain angle with the mouth of the inverted glass bottle. Some of the hot air enters the glass bottle along the inclined angle, which accelerates the gas flow inside the glass bottle, causes the internal water vapor to evaporate quickly, and carries the water vapor out of the glass bottle, thereby improving the drying efficiency of the glass bottle and shortening the drying time for a single batch of glass bottles. The dehumidification and exhaust component periodically discharges some of the high-temperature water vapor located in the drying chamber, reduces the humidity in the drying chamber, and improves the evaporation efficiency of the water adhering to the glass bottle. Attached Figure Description

[0015] Figure 1 This is a first structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the second structure of this utility model; Figure 3 yes Figure 2 A magnified view of part A in the middle; Figure 4 This is a cross-sectional view of the present invention; Figure 5 This is a schematic diagram of the internal circulation component of this utility model; Figure 6 This is a structural schematic diagram of the dehumidification and exhaust assembly of this utility model.

[0016] In the diagram: 1. Frame; 11. Drying chamber; 12. Circulation chamber; 13. Guide rail groove; 14. Fixing plate; 15. Return hole; 16. Hinged door; 17. Insulation layer; 2. Air guide plate; 21. Air guide pipe; 3. Heating components; 4. Internal circulation component; 41. Mounting plate; 42. Circulating fan; 43. Circulating fan blades; 44. Flow vane; 5. Dehumidification and exhaust assembly; 51. Exhaust pipe; 52. Exhaust device; 53. External exhaust hood; 54. Air intake plate; 6. Temperature sensor. Detailed Implementation

[0017] like Figures 1 to 4 As shown, in this embodiment, the present invention includes a frame 1, a drying chamber 11 formed inside the frame 1, and a circulating flow chamber 12 for supplying heated air formed on the outer periphery of the drying chamber 11; two air guide plates 2, which are symmetrically arranged on the side wall of the drying chamber 11, and each air guide plate 2 has several guide pipes 21 inclinedly arranged on its surface for guiding hot air; several heating pipes 3, each of which is fixedly connected to the top of the frame 1, and the heat-releasing end of each of which is arranged in the circulating flow chamber 12 for increasing the temperature; an internal circulation component 4, which is fixedly connected to the top of the frame 1 for accelerating airflow circulation; and a dehumidification and exhaust component 5, which is fixedly connected to the drying chamber 11 for timed air extraction and dehumidification.

[0018] Specifically, the frame 1 is provided with a heat insulation cotton layer 17 along the outer periphery of the circulation cavity 12 to reduce the heat loss from the side wall of the frame 1, thereby improving the heating and drying effect. Two sets of hinged doors 16 are provided on the opening side of the drying cavity 11. Locking rods are provided on the hinged doors 16. The hinged doors 16 are locked to the frame 1 through the locking rods. A sealing strip is formed on the inner side of the hinged doors 16 to fit tightly against the frame 1. When closed, the two sets of hinged doors 16 are tightly fitted to the frame 1, reducing the heat loss from the hinged doors 16 and improving the drying effect of the glass bottles. Heating element 3 is a U-shaped electric heating element, which is installed on both sides of the drying chamber 11 to heat the air blown into the drying chamber 11.

[0019] The inclined drainage pipe structure allows hot air to be blown out along the drainage pipe, forming a certain angle with the mouth of the inverted glass bottle. Some of the hot air enters the glass bottle along the inclined angle, accelerating the gas flow inside the glass bottle, causing the internal water vapor to evaporate quickly, and carrying the water vapor out of the glass bottle, thereby improving the drying efficiency of the glass bottle and shortening the drying time for a single batch of glass bottles. The dehumidification and exhaust component 5 periodically discharges some of the high-temperature water vapor located in the drying chamber 11, reducing the humidity in the drying chamber 11 and improving the evaporation efficiency of the moisture attached to the glass bottle.

[0020] like Figure 5 As shown, in this embodiment, the internal circulation component 4 includes a mounting plate 41, a circulating fan 42, and a circulating fan blade 43. The mounting plate 41 is fixedly connected to the top of the frame 1, the circulating fan 42 is fixedly connected to the middle of the mounting plate 41, the circulating fan blade 43 is connected to the movable end of the circulating fan 42, and the sidewall of the circulating fan blade 43 is formed with a plurality of propulsion plates 44 for pushing airflow.

[0021] Specifically, the circulating fan 42 is a rotary motor, the circulating fan blade 43 is a cross-flow fan, and the internal circulation component 4 pushes the airflow horizontally above the drying chamber 11, pushing the top airflow toward the heating pipes 3 located on both sides of the drying chamber. After the airflow approaches the heating pipes 3, it carries away the heat and enters the drying chamber 11 along the guide pipe 21, thereby achieving hot air drying of the glass bottles.

[0022] like Figure 6 As shown, in this embodiment, the dehumidification and exhaust assembly 5 includes an exhaust pipe 51 fixedly connected to the frame 1 for exhausting air, an exhaust device 52 detachably connected to the air inlet end of the exhaust pipe 51, and an external exhaust cover 53 fixedly connected to the drying chamber 11. The external exhaust cover 53 is fixedly connected to the outer periphery of the exhaust device 52, and an air intake plate 54 for entering humid and hot air is fixedly connected to the bottom of the external exhaust cover 53.

[0023] Specifically, one end of the exhaust pipe 51 is connected to an air dehumidification device, and the other end of the exhaust pipe 51 is connected to an exhaust fan 52. The exhaust fan 52 is a dual-inlet centrifugal fan, which is used to periodically discharge the hot and humid air in the drying chamber 11 and reduce the humidity in the drying chamber 11.

[0024] like Figure 4 As shown, in this embodiment, a temperature sensor 6 is provided on the top of the frame 1, and the detection end of the temperature sensor 6 is provided in the circulation cavity 12. Specifically, temperature sensor 6 is used to monitor the temperature of the circulating airflow in real time, so that staff or the control system can adjust the start and stop of the heating pipe 3.

[0025] like Figures 1 to 4As shown, in this embodiment, the bottom of the drying chamber 11 is formed with a guide rail groove 13 for guiding the trolley to be pushed in, the middle of the drying chamber 11 is formed with a fixing plate 14 for separating the trolley, and the top of the drying chamber 11 is formed with a plurality of return holes 15 for airflow circulation.

[0026] Specifically, the reflux hole 15 located at the top allows the gas to flow back upward into the circulation chamber 12, thereby improving the gas flow efficiency.

[0027] In this embodiment, the circulating cavity 12 is U-shaped.

[0028] In this embodiment, the guide pipes 21 located in the lower part of the air guide plate 2 are all inclined upwards, and the guide pipes 21 located in the upper part of the air guide plate 2 are all inclined downwards; Specifically, the lower middle guide pipe 21 is inclined upward to facilitate hot air to be blown into the inverted glass bottle from bottom to top, thereby improving the efficiency of water vapor evaporation and circulation. The upper guide pipe 21 is inclined downward to facilitate hot air to be blown in from top to bottom, effectively slowing down the flow rate of the hot air rising from below, and allowing the heat to remain in the drying chamber 11 for a longer time.

[0029] In this embodiment, the tilt angle of the guide tube 21 is 10 degrees to 25 degrees.

[0030] In this embodiment, the diameter of several of the guide tubes 21 increases sequentially from top to bottom along the vertical direction.

[0031] Specifically, the diameter of the guide tube 21 increases vertically from top to bottom to prevent most of the hot air from flowing out of the upper guide tube 21, resulting in a lower flow of hot air in the lower guide tube 21, which cannot achieve the effect of hot air being blown into the glass bottle at an angle.

[0032] The working principle of this utility model: The staff pushes the trolley carrying multiple inverted glass bottles into the guide rail groove 13, closes and locks the hinged door 16, starts the circulating fan 42, drives the circulating fan blades 43 to rotate and push the airflow toward the heating tube 3. At this time, the heating tube 3 emits heat, and the airflow carries away the heat through the heating tube 3 and enters the drying chamber 11 along the corresponding guide pipe 21. After the hot air is blown out along the guide pipe, it forms a certain angle with the mouth of the inverted glass bottle. Some of the hot air enters the glass bottle along the inclined angle, which accelerates the gas flow inside the glass bottle, causes the internal water vapor to evaporate quickly, and carries the water vapor inside the glass bottle out. The airflow returns to the circulating chamber 12 from the return hole 15 at the top of the drying chamber 11 and circulates again. After the temperature reaches the preset temperature during the airflow circulation, the heating tube 3 stops heating and the airflow circulates inside until the temperature of the circulation chamber 12 drops below the preset temperature. The exhaust device 52 located in the drying chamber 11 is activated periodically to discharge some of the high-temperature water vapor in the drying chamber 11, thereby reducing the humidity inside the drying chamber 11. When the exhaust device 52 discharges hot and humid air, the heating element 3 is activated to maintain the internal temperature of the drying chamber 11.

[0033] Although the embodiments of this utility model are described with reference to actual solutions, they do not constitute a limitation on the meaning of this utility model. For those skilled in the art, modifications to the implementation schemes and combinations with other schemes based on this specification are obvious.

Claims

1. A hot air circulating drying oven for drying glass bottles, characterized in that, include: A frame (1) is formed inside the frame (1), and a circulating cavity (12) for supplying heated air is formed on the outer periphery of the drying cavity (11). Two air guide plates (2) are symmetrically arranged on the side wall of the drying chamber (11). Each air guide plate (2) has several guide pipes (21) for guiding hot air on its surface. A plurality of heating tubes (3), each of the heating tubes (3) is fixedly connected to the top of the frame (1), and the heat-dissipating end of each of the heating tubes (3) is provided in the circulating flow chamber (12) for raising the temperature; The internal circulation component (4) is fixedly connected to the top of the frame (1) and is used to accelerate airflow circulation; The dehumidification and exhaust assembly (5) is fixedly connected to the drying chamber (11) and is used for timed air extraction and dehumidification.

2. The hot air circulating drying oven for drying glass bottles according to claim 1, characterized in that: The internal circulation component (4) includes a mounting plate (41), a circulating fan (42), and circulating fan blades (43). The mounting plate (41) is fixedly connected to the top of the frame (1). The circulating fan (42) is fixedly connected to the middle of the mounting plate (41). The circulating fan blades (43) are connected to the movable end of the circulating fan (42). The sidewall of the circulating fan blades (43) has a plurality of propulsion plates (44) for pushing airflow.

3. A hot air circulating drying oven for drying glass bottles according to claim 1, characterized in that: The dehumidification and exhaust assembly (5) includes an exhaust pipe (51) fixedly connected to the frame (1) for exhausting air, an exhaust device (52) detachably connected to the air inlet end of the exhaust pipe (51), and an exhaust cover (53) fixedly connected to the drying chamber (11). The exhaust cover (53) is fixedly connected to the outer periphery of the exhaust device (52), and an air intake plate (54) for entering humid and hot air is fixedly connected to the bottom of the exhaust cover (53).

4. A hot air circulating drying oven for drying glass bottles according to claim 2, characterized in that: A temperature sensor (6) is provided on the top of the frame (1), and the detection end of the temperature sensor (6) is located in the circulation cavity (12).

5. A hot air circulating drying oven for drying glass bottles according to claim 1, characterized in that: The bottom of the drying chamber (11) is formed with a guide rail groove (13) for guiding the trolley to be pushed in, the middle of the drying chamber (11) is formed with a fixing plate (14) for separating the trolley, and the top of the drying chamber (11) is formed with a plurality of return holes (15) for airflow circulation.

6. A hot air circulating drying oven for drying glass bottles according to claim 1, characterized in that: The circulating cavity (12) is in the shape of "U".

7. A hot air circulating drying oven for drying glass bottles according to claim 1, characterized in that: The guide pipes (21) located in the lower part of the air guide plate (2) are all inclined upwards, and the guide pipes (21) located in the upper part of the air guide plate (2) are all inclined downwards.

8. A hot air circulating drying oven for drying glass bottles according to claim 7, characterized in that: The inclination angle of the guide tube (21) is 10 degrees to 25 degrees.

9. A hot air circulating drying oven for drying glass bottles according to claim 1, characterized in that: The diameter of several of the aforementioned guide tubes (21) increases sequentially from top to bottom in the vertical direction.

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