Electromagnetic tank cover drying furnace
By installing a ventilation structure and heat exchange tubes inside the furnace tubes, the problem of poor airflow in existing electromagnetic drying ovens has been solved, achieving efficient drying of can lids and energy-saving effects.
Patent Information
- Application Number
- CN202520749853.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-21
AI Technical Summary
Existing electromagnetic drying ovens lack ventilation structures during the drying process of the can lid, resulting in poor air circulation, difficulty in steam discharge, and impact on drying efficiency and quality, while also causing significant heat loss.
A ventilation structure is installed inside the furnace tube, including ventilation slots, air blowing rings, collection rings, and heat exchange tubes. A blower and filter element are used to accelerate airflow, exhaust water vapor, and heat the incoming gas through the heat exchange tubes to reduce heat loss.
It improves drying efficiency and quality, reduces heat loss, and achieves good energy-saving results.
Smart Images
Figure CN223856028U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of can lid processing, specifically to a can lid electromagnetic drying furnace. BACKGROUND
[0002] In our life, the use of the can lid is indispensable, the primary function of the can lid is to ensure that the goods in the container are well sealed and protected, in order to ensure the cleanliness of the can lid, it will be cleaned during the processing of the can lid, and the electromagnetic drying furnace will be used to dry the can lid after cleaning, the existing electromagnetic drying furnace is generally composed of a drying furnace tube, an electromagnetic heating coil, an electromagnetic heater, a temperature sensor and a controller, which has simple structure and good convenience, during the drying process of the can lid, the can lid is stacked and horizontally passes through the furnace tube, in order to avoid the can lid from falling, the size of the furnace tube is almost the same as that of the can lid, and the gap between the can lid and the furnace tube is small, and there is no ventilation structure, so the flowability of the internal air is poor, the steam generated during drying is not easy to discharge, and thus the drying efficiency and quality of the can lid are affected. SUMMARY
[0003] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a can lid electromagnetic drying furnace, which is provided with a ventilation structure in the inside of the furnace tube, so as to accelerate the flow speed of the air in the furnace tube, facilitate the rapid discharge of water vapor during drying, have good drying efficiency and drying quality, and utilize the discharged waste gas to heat the entering gas, so as to reduce the loss of heat and have good energy-saving effect, thereby effectively solving the problems in the background art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a can lid electromagnetic drying furnace, comprising a casing;
[0005] The casing is provided with a furnace tube in the middle part, ventilation grooves are formed in the highest point and the lowest point of the inner arc wall of the furnace tube, a gas blowing ring is arranged on the left side of the furnace tube, a collection ring is arranged on the right side of the furnace tube, circular holes corresponding to the ventilation grooves are formed in the right side surface of the gas blowing ring and the left side surface of the collection ring, a gas supplement pipe is arranged at the air inlet hole of the outer arc surface of the gas blowing ring, exhaust pipes are arranged at the air outlet holes of the outer arc surface of the collection ring, heat exchange pipes are wound on the outside of the exhaust pipes, one end of each heat exchange pipe close to the center of the furnace tube is communicated with the right end of the gas supplement pipe, and a ventilation structure is arranged in the inside of the furnace tube, so as to accelerate the flow speed of the air in the furnace tube, facilitate the rapid discharge of water vapor during drying, have good drying efficiency and drying quality, utilize the discharged waste gas to heat the entering gas, so as to reduce the loss of heat and have good energy-saving effect.
[0006] Further, a controller is arranged at the rectangular hole of the front side surface of the casing, and the input end of the controller is electrically connected with an external power supply, so as to facilitate the automatic control of the electric appliance.
[0007] Further, the lower end of the shell is provided with a blower, the air outlet end of the blower is provided with an air outlet pipe, the end of the heat exchange pipe away from the center of the furnace pipe is communicated with the upper end of the air outlet pipe, the input end of the blower is electrically connected with the output end of the controller, and high-pressure airflow is provided.
[0008] Further, the air inlet end of the blower is provided with a filter core to filter dust.
[0009] Further, the lower end of the shell is provided with a blower, the air outlet end of the blower is provided with an air outlet pipe, the end of the heat exchange pipe away from the center of the furnace pipe is communicated with the upper end of the air outlet pipe, the input end of the blower is electrically connected with the output end of the controller, and high-pressure airflow is provided.
[0010] Further, the lower end of the shell is provided with a blower, the air outlet end of the blower is provided with an air outlet pipe, the end of the heat exchange pipe away from the center of the furnace pipe is communicated with the upper end of the air outlet pipe, the input end of the blower is electrically connected with the output end of the controller, and high-pressure airflow is provided.
[0011] Further, the lower end of the shell is provided with a blower, the air outlet end of the blower is provided with an air outlet pipe, the end of the heat exchange pipe away from the center of the furnace pipe is communicated with the upper end of the air outlet pipe, the input end of the blower is electrically connected with the output end of the controller, and high-pressure airflow is provided.
[0012] Compared with the prior art, the tank cover electromagnetic drying furnace has the following advantages:
[0013] The ventilation structure is arranged in the furnace pipe, so that the air flow speed of the furnace pipe is accelerated, the water vapor is quickly discharged during drying, the drying efficiency and drying quality are good, the discharged waste gas can be used to heat the entering gas, heat loss is reduced, and good energy-saving effect is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a sectional structural schematic view of the shell of the utility model;
[0016] Figure 3 It is an enlarged structural schematic view of position A of the utility model;
[0017] Figure 4 It is an enlarged structural schematic view of position B of the utility model.
[0018] In the drawing: 1, shell, 2, furnace pipe, 3, ventilation slot, 4, air blowing ring, 5, air supplement pipe, 6, flow guide plate, 7, circular ring, 8, high-frequency power supply, 9, induction heating coil, 10, controller, 11, collection ring, 12, exhaust pipe, 13, heat exchange pipe, 14, air outlet pipe, 15, blower, 16, filter core, 17, heat preservation sleeve, 18, temperature sensor. DETAILED DESCRIPTION
[0019] 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. 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 the present application.
[0020] Please refer to Figures 1-4 The embodiment provides a technical scheme: a tank cover electromagnetic drying furnace, comprising a shell 1;
[0021] The shell 1 is provided with the furnace tube 2 in the middle, and the shell 1 provides mounting positions for other components; the can cover is overlapped through the furnace tube 2 under the pushing of the external conveying structure, the furnace tube 2 heats the can cover passing through, the highest point and the lowest point of the inner arc wall of the furnace tube 2 are provided with the ventilation slot 3, the left side of the furnace tube 2 is provided with the air blowing ring 4, the air blowing ring 4 can accelerate the air circulation speed in the furnace tube 2, the air in the air blowing ring 4 enters the inside of the ventilation slot 3 from the left side of the furnace tube 2, the steam discharge speed can be accelerated, and then the can cover drying speed can be accelerated; the right side of the furnace tube 2 is provided with the collecting ring 11, the right side surface of the air blowing ring 4 and the left side surface of the collecting ring 11 are provided with the circular hole corresponding to the ventilation slot 3, the air inlet hole of the outer arc surface of the air blowing ring 4 is provided with the air supplement pipe 5, the air outlet hole of the outer arc surface of the collecting ring 11 is provided with the exhaust pipe 12, the wet and hot gas is discharged to the outside through the collecting ring 11 and the exhaust pipe 12, the outside of the exhaust pipe 12 is wound with the heat exchange pipe 13, one end of the heat exchange pipe 13 close to the center of the furnace tube 2 is communicated with the right end of the air supplement pipe 5, the air passes through the heat exchange pipe 13 and enters the inside of the air blowing ring 4 through the air supplement pipe 5, the rectangular hole of the front side of the shell 1 is provided with the controller 10, the input end of the controller 10 is electrically connected with the external power supply, the lower end inside the shell 1 is provided with the air blower 15, the air outlet end of the air blower 15 is provided with the air outlet pipe 14, one end of the heat exchange pipe 13 away from the center of the furnace tube 2 is communicated with the upper end of the air outlet pipe 14, the input end of the air blower 15 is electrically connected with the output end of the controller 10, the air blower 15 conveys the filtered air to the inside of the heat exchange pipe 13 through the air outlet pipe 14, the air in the heat exchange pipe 13 is heated in the process of the exhaust pipe 12 exhausting, and then the heat loss can be reduced, and the use effect is good, the air inlet end of the air blower 15 is provided with the filter core 16, the air blower 15 works, the air blower 15 pumps the air through the filter core 16, the filter core 16 filters the entering air, dust is avoided from entering, and the air blower 15 further comprises the flow guide plate 6, the flow guide plate 6 is arranged at the lower end of the upper ventilation slot 3, the air permeable holes in the upper surface of the flow guide plate 6 are provided with the circular ring 7, the upper ventilation slot 3 is blocked by the flow guide plate 6 and is in the shape of a long hole, the air flow flows at high speed in the inside, the pressure in the inside is lower than that in the furnace tube 2, the steam in the furnace tube 2 is conveniently sucked, the upper end of the circular ring 7 is higher than the upper surface of the flow guide plate 6, and then the steam can be avoided from condensing into water and dropping into the inside of the furnace tube 2, the water flow can enter the inside of the collecting ring 11 along the flow guide plate 6 and then is discharged through the lower exhaust pipe 12, the outside of the furnace tube 2 is fixedly provided with the induction heating coil 9, the lower end of the shell 1 is provided with the high-frequency power supply 8, the high-frequency power supply 8 works, the high-frequency power supply 8 converts the alternating current power supply into high-frequency current, the high-frequency current generates eddy current in the furnace tube 2 through the induction heating coil 9, the furnace tube 2 generates magnetic loss heating, the outer arc surface of the furnace tube 2 is provided with the temperature sensor 18, the input end of the induction heating coil 9 is electrically connected with the output end of the high-frequency power supply 8, the temperature sensor 18 facilitates the temperature detection of the furnace tube 2, and the output end of the temperature sensor 18 is electrically connected with the input end of the controller 10.The input end of the high-frequency power supply 8 is electrically connected with the output end of the controller 10, and the external fixed sleeve of the whole formed by the furnace pipe 2 and the induction heating coil 9 is provided with a heat preservation sleeve 17.
[0022] The working principle of the tank cover electromagnetic drying furnace is as follows: in use, the control controller 10 is adjusted and controlled, the high-frequency power supply 8 works, the high-frequency power supply 8 converts the alternating current power supply into high-frequency current, the high-frequency current generates eddy current in the furnace pipe 2 through the induction heating coil 9, the furnace pipe 2 generates magnetic loss heating, the tank cover is pushed by the external conveying structure, the tank cover overlaps and passes through the furnace pipe 2, the furnace pipe 2 heats the passing tank cover, at the same time, the air blower 15 works, the air blower 15 performs air suction through the filter element 16, the filter element 16 filters the entering air to avoid the entry of dust, the air blower 15 sends the filtered air to the inside of the heat exchange pipe 13 through the air outlet pipe 14, the air passes through the heat exchange pipe 13 and enters the inside of the air blowing ring 4 through the air supplement pipe 5, the air in the air blowing ring 4 enters the inside of the ventilation groove 3 from the left side of the furnace pipe 2, thereby the air circulation speed in the inside of the furnace pipe 2 can be accelerated, the steam discharge speed can be accelerated, and the tank cover drying speed can be accelerated, at the same time, the wet and hot gas is discharged to the outside through the collecting ring 11 and the air outlet pipe 12, the ventilation groove 3 on the upper side is blocked by the deflector 6 to be long hole-shaped, the airflow flows at high speed in the inside, the internal pressure is lower than the internal pressure of the furnace pipe 2, the steam in the inside of the furnace pipe 2 is conveniently sucked, the upper end of the circular ring 7 is higher than the upper surface of the deflector 6, thereby the steam can be prevented from condensing into water and dropping into the inside of the furnace pipe 2, the water flow can enter the inside of the collecting ring 11 along the deflector 6 and then be discharged through the air outlet pipe 12 on the lower side, the air in the inside of the heat exchange pipe 13 is heated in the process of air discharge of the air outlet pipe 12, thereby the heat loss can be reduced, and good use effect is achieved.
[0023] It is worth noting that the high-frequency power supply 8, the induction heating coil 9, the controller 10, the air blower 15 and the temperature sensor 18 disclosed in the above embodiment can be freely configured according to the actual application scene, the high-frequency power supply 8 can be selected as a high-frequency power supply with a model number of WH-VI-30, the core chip of the controller 10 can be selected as a single-chip microcomputer with a model number of STM32H743, the air blower 15 can be selected as an air blower with a model number of HRB-210-D1, the temperature sensor 18 can be selected as a temperature sensor with a model number of PT100, and the controller 10 controls the high-frequency power supply 8 and the air blower 15 to work by using a method commonly used in the prior art.
[0024] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion obtained by using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. An electromagnetic can lid drying oven characterized by: It includes a shell (1); The shell (1) is internally provided with a furnace tube (2), the highest point and the lowest point of the inner arc wall of the furnace tube (2) are provided with ventilation slots (3), the left side of the furnace tube (2) is provided with a blowing ring (4), the right side of the furnace tube (2) is provided with a collecting ring (11), the right side surface of the blowing ring (4) and the left side surface of the collecting ring (11) are provided with circular holes corresponding to the ventilation slots (3), the air inlet hole of the outer arc surface of the blowing ring (4) is provided with a gas supplement pipe (5), the air outlet hole of the outer arc surface of the collecting ring (11) is provided with an exhaust pipe (12), the outer part of the exhaust pipe (12) is wound with a heat exchange pipe (13), one end of the heat exchange pipe (13) close to the center of the furnace tube (2) is in communication with the right end of the gas supplement pipe (5).
2. The electromagnetic can lid drying oven according to claim 1, characterized in that: The rectangular hole of the front side of the shell (1) is provided with a controller (10), and the input end of the controller (10) is electrically connected with an external power supply.
3. The electromagnetic can lid drying oven according to claim 2, characterized in that: The lower end of the inside of the shell (1) is provided with a blower (15), the air outlet end of the blower (15) is provided with an air outlet pipe (14), one end of the heat exchange pipe (13) away from the center of the furnace tube (2) is in communication with the upper end of the air outlet pipe (14), and the input end of the blower (15) is electrically connected with the output end of the controller (10).
4. The electromagnetic can lid drying oven of claim 3, wherein: The air inlet end of the blower (15) is provided with a filter core (16).
5. The electromagnetic can lid drying oven of claim 1, wherein: It also includes a flow guide plate (6), which is arranged at the lower end of the upper ventilation slot (3), and the air-permeable holes in the upper surface of the flow guide plate (6) are provided with circular rings (7).
6. The electromagnetic can lid drying oven of claim 1, wherein: The outer part of the furnace tube (2) is fixedly provided with an induction heating coil (9), the lower end of the shell (1) is provided with a high-frequency power supply (8), the outer arc surface of the furnace tube (2) is provided with a temperature sensor (18), the input end of the induction heating coil (9) is electrically connected with the output end of the high-frequency power supply (8), the output end of the temperature sensor (18) is electrically connected with the input end of the controller (10), and the input end of the high-frequency power supply (8) is electrically connected with the output end of the controller (10).
7. A can lid electromagnetic drying furnace according to claim 6, characterized in that: The outer part of the furnace tube (2) and the induction heating coil (9) form an integral whole and are fixedly provided with a heat preservation sleeve (17).