Hot air circulation tunnel sterilization oven
By designing an air structure in the hot air circulating tunnel sterilization oven, and actively blowing hot air using circulating fans and blower fan components, the problem of low drying efficiency in existing technologies is solved, achieving a more efficient drying effect and facilitating cleaning and maintenance.
Patent Information
- Application Number
- CN202520275707.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-20
AI Technical Summary
In existing hot air circulating tunnel sterilization ovens, the air cannot move actively during drying and sterilization, resulting in low drying efficiency.
An air outlet structure was designed, including an air outlet chamber, a circulating fan assembly, guide plates, and heating fins. Through the cooperation of the circulating fan assembly and the blowing fan assembly, hot air is actively blown towards the material to improve drying efficiency.
By actively blowing hot air, the drying efficiency of materials is significantly improved, and the cover plate structure facilitates the cleaning and maintenance of the device.
Smart Images

Figure CN223882701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of pharmacy, concretely relates to a hot air circulation tunnel sterilization oven. BACKGROUND
[0002] The hot air circulation tunnel sterilization oven is a kind of equipment for high-temperature sterilization and drying, and is widely applied in pharmacy, food, chemical industry and other industries.The core function thereof is to ensure that the temperature in the oven is uniform by hot air circulation system, to achieve the effect of efficient sterilization and drying.
[0003] The prior art (publication number: CN219756913U) discloses a tunnel type hot air circulation sterilization oven, and particularly relates to a drying equipment technical field, which comprises a conveying support and a conveying roller mounted on the conveying support, a tunnel oven fixed on the conveying support is arranged above the conveying roller, a heating assembly is arranged above the conveying roller in the tunnel oven, and a circulating air mechanism is connected to the front and rear ends of the tunnel oven.
[0004] The prior art reduces heat loss by recycling hot air, but the wind generated by the prior art cannot actively move towards the material when the prior art is used to dry and sterilize the material, which results in low drying and sterilization efficiency of the prior art.
[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT
[0006] To solve the technical problems existing in the prior art, the basic concept of the technical scheme of the utility model is as follows:
[0007] A hot air circulation tunnel sterilization oven comprises:
[0008] A chassis is a pipeline with a concave section, a transmission assembly is mounted in the opening of the chassis, and baffle plates are rotatably connected to the front and rear walls of the opening of the chassis, the top of the baffle plate is flush with the top of the chassis, and the bottom of the baffle plate is in contact with the top of the transmission assembly.
[0009] An air outlet structure is arranged on the top of the chassis to generate hot air and blow the material on the top of the transmission assembly, and the air outlet structure comprises an air outlet chamber, an air outlet groove, a circulating fan assembly, a guide piece and a heating fin, the air outlet chamber is fixedly connected to the top of the chassis, the air outlet groove is arranged in the bottom of the air outlet chamber, the circulating fan assembly is symmetrically arranged on the wall of the air outlet chamber, the guide piece is fixedly connected to the wall of the air outlet chamber, the heating fin is also fixedly connected to the wall of the air outlet chamber, and the air outlet groove is in communication with the opening of the top of the chassis.
[0010] As a preferred embodiment of the utility model, the air outlet chamber is a rectangular box with a hollow cavity, and the circulating fan assemblies are symmetrically arranged on the front and rear walls of the air outlet chamber, and the front and rear walls of the air outlet chamber are symmetrically provided with circular holes, and the position of each circulating fan assembly is aligned with the circular holes on the wall of the air outlet chamber.
[0011] As a preferred embodiment of the utility model, the heating fins are rectangular fins, and a plurality of heating fins are uniformly arranged in the cavity of the air outlet chamber, the guide plates are rectangular plates, and a plurality of guide plates are uniformly and symmetrically arranged in the cavity of the air outlet chamber, each group of symmetric guide plates is arranged in an eight-character shape, the bottom of each guide plate is in a slope shape, and the heating fins can pass through the wall of each guide plate.
[0012] As a preferred embodiment of the utility model, the air outlet structure further comprises a ventilation groove, a circulating groove, a connecting pipe and a circulating chamber, the ventilation groove is arranged on the wall of each guide plate, the circulating groove is arranged on the top of the air outlet chamber, the connecting pipe is fixedly connected at each circular hole of the air outlet chamber, and the circulating chamber is fixedly connected to the top of the air outlet chamber.
[0013] As a preferred embodiment of the utility model, the ventilation groove is a rectangular groove, the circulating groove is also a rectangular groove, a plurality of circulating grooves are uniformly arranged on the top of the air outlet chamber, the connecting pipe is a U-shaped pipe, the circulating chamber is a rectangular box with an open top and a hollow cavity, a rectangular groove is arranged on the bottom of the circulating chamber and can communicate with each circulating groove, and the other end of each connecting pipe can communicate with the cavity of the circulating chamber.
[0014] As a preferred embodiment of the utility model, the air outlet structure further comprises a blowing fan assembly, the blowing fan assembly is composed of a bracket, a fan and a motor, the bracket is fixedly connected to the top of the cavity of the circulating chamber, the motor can drive the fan to rotate, and a plurality of blowing fan assemblies are uniformly arranged in the cavity of the circulating chamber.
[0015] As a preferred embodiment of the utility model, the top of the circulating chamber is provided with a cover plate structure, the cover plate structure comprises a connecting block, a top cover, a bolt and a connecting rod, the connecting block is fixedly connected to the front and rear walls of the circulating chamber, the top cover is detachably connected to the top of the circulating chamber, the front and rear walls of the top cover are also provided with the same connecting block, the bolt is threadedly connected to the top of each connecting block on the wall of the top cover, and the connecting rod is sleeved with each group of symmetric bolts.
[0016] As a preferred embodiment of the utility model, the connecting block is a half-capsule-shaped plate with a thread arranged on the top, the thread on the wall of the connecting block can match the size of the bolt, the connecting rod is a rectangular rod with a circular groove symmetrically arranged on the top, the symmetric circular grooves on the top of each connecting rod can match the rotation of the bolt, and the top cover can cover the top of the circulating chamber.
[0017] Compared with the prior art, the utility model has the following beneficial effects:
[0018] 1. By setting the air outlet structure, the circulating hot air can be actively blown towards the material direction, so as to effectively improve the drying effect on the material, and the drying efficiency of the present application is obviously higher than that of the prior art.
[0019] 2. By setting the cover plate structure, the circulating chamber top can be disassembled, so as to facilitate cleaning and maintenance of the device.
[0020] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0021] In the drawings:
[0022] Figure 1 is a perspective view of the present application;
[0023] Figure 2 is an exploded view of the air outlet chamber and the chassis of the present application;
[0024] Figure 3 is a cross-sectional view of the air outlet chamber cavity of the present application;
[0025] Figure 4 is an exploded view of the air outlet chamber cavity structure of the present application;
[0026] Figure 5 is an exploded view of the circulating chamber top structure of the present application.
[0027] In the drawings: 20, chassis; 21, transmission assembly; 22, baffle; 30, air outlet chamber; 31, air outlet groove; 32, circulating fan assembly; 33, guide piece; 34, heating fin; 35, ventilation groove; 36, circulating groove; 37, connecting pipe; 40, circulating chamber; 41, blowing fan assembly; 42, connecting block; 43, top cover; 44, bolt; 45, connecting rod. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be clearly and completely described below with reference to the drawings of the embodiments of the present application, and the following embodiments are used to illustrate the present application.
[0029] As Figure 1 and Figure 2As shown, a hot air circulating tunnel sterilization oven includes: a base frame 20, a pipe with a concave cross-section in the base frame 20, a transmission assembly 21 installed in the opening of the base frame 20, and baffles 22 rotatably connected to the front and rear walls of the opening of the base frame 20, the top of the baffles 22 being flush with the top of the base frame 20, and the bottom of the baffles 22 being in contact with the top of the transmission assembly 21. The transmission assembly 21 is a conventional transmission structure, driven by a motor, and the motor is electrically connected to a power source. This is existing technology and will not be described in detail here.
[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the air outlet structure is located on the top of the base frame 20 and is used to generate hot air and blow it toward the material on the top of the transmission assembly 21. The air outlet structure includes: an air outlet chamber 30, an air outlet slot 31, a circulating fan assembly 32, guide plates 33, and heating fins 34. The air outlet chamber 30 is fixedly connected to the top of the base frame 20. The air outlet slot 31 is opened through the bottom of the air outlet chamber 30. The circulating fan assembly 32 is symmetrically arranged on the wall of the air outlet chamber 30. The guide plates 33 are fixedly connected to the wall of the air outlet chamber 30. The heating fins 34 are also fixedly connected to the wall of the air outlet chamber 30. The air outlet slot 31 can communicate with the opening at the top of the base frame 20.
[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the air outlet chamber 30 is a rectangular box with a hollow cavity, the circulating fan assemblies 32 are symmetrically arranged on the front and rear walls of the air outlet chamber 30, the front and rear walls of the air outlet chamber 30 are symmetrically provided with circular holes, each circulating fan assembly 32 is aligned with the circular hole on the wall of the air outlet chamber 30, the heating fins 34 are rectangular fins, a plurality of heating fins 34 are uniformly arranged in the cavity of the air outlet chamber 30, the guide plates 33 are rectangular plates, a plurality of guide plates 33 are uniformly and symmetrically arranged in the cavity of the air outlet chamber 30, each group of symmetric guide plates 33 is arranged in an eight-character shape, the bottom of each guide plate 33 is inclined, the heating fins 34 can pass through the wall of each guide plate 33, the air outlet structure further comprises ventilation grooves 35, circulating grooves 36, connecting pipes 37 and a circulating chamber 40, the ventilation grooves 35 are respectively arranged on the wall of each guide plate 33, the circulating grooves 36 are arranged through the top of the air outlet chamber 30, the connecting pipes 37 are respectively fixedly connected at each circular hole of the air outlet chamber 30, and the circulating chamber 40 is fixedly connected to the top of the air outlet chamber 30; the ventilation grooves 35 are rectangular grooves, the circulating grooves 36 are also rectangular grooves, a plurality of circulating grooves 36 are uniformly arranged on the top of the air outlet chamber 30, the connecting pipes 37 are U-shaped pipes, the circulating chamber 40 is a rectangular box with an open top and a hollow cavity, the bottom of the circulating chamber 40 is provided with a rectangular groove capable of communicating with each circulating groove 36, the other end of each connecting pipe 37 can communicate with the cavity of the circulating chamber 40, and the air outlet structure further comprises a blowing fan assembly 41, which comprises a bracket, a fan and a motor, the bracket is fixedly connected to the top of the cavity of the circulating chamber 40, the motor can drive the fan to rotate, and a plurality of blowing fan assemblies 41 are uniformly arranged in the cavity of the circulating chamber 40;
[0032] In specific use, first, the material to be dried is passed through the baffle 22 on the wall of the base frame 20 and placed on the top of the transmission assembly 21, then the power supply of the circulating fan assemblies 32, the blowing fan assemblies 41 and the heating fins 34 is started, the circulating fan assemblies 32 and the blowing fan assemblies 41 can drive the fans to rotate when the power supply is turned on, the circulating fan assemblies 32 are consistent with the blowing fan assemblies 41, the heating fins 34 can heat when the power supply is turned on, the symmetric circulating fan assemblies 32 in front can blow the air to the back, the air blown by the circulating fan assemblies 32 can pass through each ventilation groove 35, then part of the air can move downward along the inclined surface of the guide plate 33, pass through the air outlet groove 31 and finally move to the wall of the material, the air blown by the circulating fan assemblies 32 can become hot air when passing through the heating fins 34, the symmetric circulating fan assemblies 32 in the back can suck the air through the connecting pipes 37 into the cavity of the circulating chamber 40 by reversing the rotation of the fan on the wall, and the blowing fan assemblies 41 in the cavity of the circulating chamber 40 can blow the air in the cavity of the circulating chamber 40 to the cavity of the air outlet chamber 30 through the bottom of the circulating chamber 40 and the circulating grooves 36 and move downward to the top of the material, thereby reciprocating;
[0033] In summary, by setting the air outlet structure, the circulating hot air can be actively blown towards the material direction, thereby effectively improving the drying effect on the material. Therefore, compared with the prior art, the drying efficiency of the present application is obviously higher.
[0034] As shown in Figure 5 The top of the circulating chamber 40 is provided with a cover plate structure, which includes a connecting block 42, a top cover 43, a bolt 44 and a connecting rod 45. The connecting block 42 is fixedly connected to the front and rear walls of the circulating chamber 40, respectively. The top cover 43 is detachably connected to the top of the circulating chamber 40. The front and rear walls of the top cover 43 are also provided with the same connecting block 42. The bolt 44 is threadedly connected to the top of each connecting block 42 on the wall of the top cover 43. The connecting rod 45 is sleeved with each group of symmetrical bolts 44. The connecting block 42 is a semi-capsule-shaped plate with a threaded hole at the top. The threads on the wall of the connecting block 42 can fit the size of the bolt 44. The connecting rod 45 is a rectangular rod with a circular groove symmetrically formed at the top. The symmetric circular grooves at the top of each connecting rod 45 can fit the rotation of the bolt 44. The top cover 43 can cover the top of the circulating chamber 40.
[0035] In specific use, when the device needs to be cleaned, all the bolts 44 at the top of the top cover 43 are unscrewed, and then the top cover 43 can be removed from the top of the circulating chamber 40. When installing the top cover 43, align the connecting blocks 42 on the wall of the top cover 43 with the connecting blocks 42 on the wall of the circulating chamber 40, and screw the bolts 44 into the connecting blocks 42 on the wall.
[0036] In summary, by setting the cover plate structure, the circulating chamber 40 can be easily disassembled, thereby facilitating the cleaning and maintenance of the device.
[0037] Working principle: first, the required drying material from the bottom bracket 20 wall baffle 22 through and placed in the top of the transmission assembly 21, then start the circulating fan assembly 32, blowing fan assembly 41 and heating fins 34 power, circulating fan assembly 32 and blowing fan assembly 41 can be in power on when the fan rotates, circulating fan assembly 32 and blowing fan assembly 41 consistent components, heating fins 34 can be in power on when heating, while the front symmetry circulating fan assembly 32 can be blown back, while the circulating fan assembly 32 blown wind will pass through each air slot 35, then part of the wind will be guided by the slope of the sheet 33 and move down through the air outlet slot 31 and finally move to the material wall, circulating fan assembly 32 blown wind will be hot air when passing through the heating fins 34, while the back symmetry circulating fan assembly 32 can be through the wall fan reverse rotation and wind through the pipe 37 to the circulating chamber 40 cavity in the cavity, while the circulating chamber 40 cavity blowing fan assembly 41 in the power on will be circulating chamber 40 cavity through the circulating chamber 40 bottom and circulating groove 36 blowing to the air outlet chamber 30 cavity and move down to the top of the material, thus reciprocating, after the material drying sterilization is completed by turning the baffle 22 so as to take the material on the top of the transmission assembly 21 can be.
[0038] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model.In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model.Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.
Claims
1. A hot-air circulating tunnel sterilization oven, characterized in that, The utility model relates to a kind of hot air drying machine, including: Chassis (20), chassis (20) is the pipeline of concave section, transmission assembly (21) is installed in the opening of chassis (20), the front and rear wall surface of the opening of chassis (20) is respectively rotatably connected with baffle (22), the top of baffle (22) can be flush with the top of chassis (20), the bottom of baffle (22) can be contacted with the top of transmission assembly (21); Air outlet structure, air outlet structure is arranged at the top of chassis (20) for making hot air and blowing to the material on the top of transmission assembly (21), air outlet structure includes: air outlet chamber (30), air outlet groove (31), circulating fan assembly (32), guide piece (33) and heating fin (34), air outlet chamber (30) is fixedly connected at the top of chassis (20), air outlet groove (31) is opened in the bottom of air outlet chamber (30), circulating fan assembly (32) is symmetrically arranged on the wall surface of air outlet chamber (30), guide piece (33) is fixedly connected on the wall surface of air outlet chamber (30), heating fin (34) is also fixedly connected on the wall surface of air outlet chamber (30), air outlet groove (31) can be communicated with the top opening of chassis (20).
2. A hot-air circulating tunnel sterilization oven according to claim 1, characterized in that, The air outlet chamber (30) is a rectangular box with a hollow cavity, the circulating fan assemblies (32) are symmetrically arranged on the front and rear walls of the air outlet chamber (30), and circular holes are symmetrically formed in the front and rear walls of the air outlet chamber (30). Each circulating fan assembly (32) is aligned with a circular hole in the wall of the air outlet chamber (30).
3. A hot-air circulating tunnel sterilization oven according to claim 1, characterized in that, The heating fins (34) are rectangular fins, and a plurality of heating fins (34) are uniformly arranged in the cavity of the air outlet chamber (30). The guide pieces (33) are rectangular plates, and a plurality of guide pieces (33) are uniformly and symmetrically arranged in the cavity of the air outlet chamber (30). Each set of symmetric guide pieces (33) are arranged in an eight-character shape. The bottom of each guide piece (33) is inclined. The heating fins (34) can pass through the wall of each guide piece (33).
4. A hot-air circulating tunnel sterilization oven according to claim 1, characterized in that, The air outlet structure further includes ventilation grooves (35), circulating grooves (36), connecting pipes (37), and a circulating chamber (40). The ventilation grooves (35) are formed in the wall of each guide piece (33). The circulating grooves (36) are formed through the top of the air outlet chamber (30). The connecting pipes (37) are fixedly connected at each circular hole of the air outlet chamber (30). The circulating chamber (40) is fixedly connected to the top of the air outlet chamber (30).
5. A hot-air circulating tunnel sterilization oven according to claim 4, characterized in that, The ventilation grooves (35) are rectangular grooves. The circulating grooves (36) are also rectangular grooves. A plurality of circulating grooves (36) are uniformly formed in the top of the air outlet chamber (30). The connecting pipes (37) are U-shaped pipes. The circulating chamber (40) is a rectangular box with an open top and a hollow cavity. A rectangular groove is formed in the bottom of the circulating chamber (40) to communicate with each circulating groove (36). The other end of each connecting pipe (37) can communicate with the cavity of the circulating chamber (40).
6. A hot-air circulating tunnel sterilization oven according to claim 4, characterized in that, The air outlet structure further includes blowing fan assemblies (41), which are composed of brackets, fans, and motors. The brackets are fixedly connected to the top of the cavity of the circulating chamber (40). The motor can drive the fan to rotate. A plurality of blowing fan assemblies (41) are uniformly arranged in the cavity of the circulating chamber (40).
7. A hot-air circulating tunnel sterilization oven according to claim 4, characterized in that, The top of the circulating chamber (40) is provided with a cover structure, which comprises a connecting block (42), a top cover (43), a bolt (44) and a connecting rod (45), the connecting block (42) is fixedly connected on the front and rear walls of the circulating chamber (40) respectively, the top cover (43) is detachably connected on the top of the circulating chamber (40), the front and rear walls of the top cover (43) are also provided with the same connecting block (42) respectively, the bolt (44) is threadedly connected on the top of each connecting block (42) of the wall of the top cover (43), and the connecting rod (45) is sleeved with each group of symmetrical bolts (44).
8. A hot-air circulating tunnel sterilization oven according to claim 7, characterized in that, The connecting block (42) is a half-capsule-shaped plate with a thread penetrating through the top, the thread on the wall of the connecting block (42) can be matched with the size of the bolt (44), the connecting rod (45) is a rectangular rod with a circular groove symmetrically arranged on the top, the circular groove symmetrically arranged on the top of each connecting rod (45) can be matched with the rotation of the bolt (44), and the top cover (43) can cover the top of the circulating chamber (40).
Citation Information
Patent Citations
Tunnel type hot air circulation sterilization oven
CN219756913U