Double-effect tunnel type equipment for sterilizing and cooling nuts
The dual-effect tunnel-type device addresses uneven cooling in nut roasting by integrating microwave heating and uniform cooling mechanisms, achieving rapid and efficient nut processing.
Patent Information
- Application Number
- CN202510531025.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2025-07-15
AI Technical Summary
The existing nut sterilization cooling device has uneven cooling effect, resulting in slow cooling speed and affecting processing efficiency.
A dual-effect tunnel equipment design with microwave heater combined with semiconductor refrigeration sheets and fans is designed to transport nuts through conveyor belts and uniformly cool during the conveying process. After microwave heating and sterilization, the cold air blown in the fan is uniformly cooled.
Achieve uniform cooling of nuts, improving cooling speed and processing efficiency.
Smart Images

Figure CN120304461A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of nut processing, and specifically relates to a dual-effect tunnel-type device for nut sterilization and cooling. Background Art
[0002] The dual-effect tunnel-type device for nut sterilization and cooling is a food processing device integrating sterilization and cooling functions, and usually adopts a tunnel-type assembly line design; through microwave heating technology, the device uses the thermal effect and non-thermal effect of microwaves to achieve efficient sterilization, and can kill intestinal bacteria, yeasts and molds at 70-80°C for 1-2 minutes, or complete the sterilization process through the combination technology of heat conduction and steam; after sterilization, the device uses an air-cooling system or liquid nitrogen quick-freezing technology to cool the nuts to avoid secondary growth of microorganisms; the device is applicable to the drying, sterilization, ripening and cooling treatment of nuts such as walnuts, chestnuts, and almonds, can significantly improve the hygienic quality and shelf life of products, while maintaining a crispy taste and nutritional components, and meets the industrial requirements of modern food processing;
[0003] The existing nut sterilization and cooling device has uneven cooling effect on nuts, resulting in a slow cooling speed and affecting the processing efficiency. Summary of the Invention
[0004] In view of the above situation, in order to overcome the defects of the existing technology, the present invention provides a dual-effect tunnel-type device for nut sterilization and cooling, which effectively solves the problem that the existing nut sterilization and cooling device has uneven cooling effect on nuts, resulting in a slow cooling speed and affecting the processing efficiency in the above-mentioned background art.
[0005] To achieve the above object, the present invention provides the following technical solution: A dual-effect tunnel-type device for nut sterilization and cooling, including a device housing. The middle of the top of the device housing is fixedly installed with a microwave heater. One end of the top of the device housing is fixedly installed with a feed hopper. One end of the lower side of the device housing is fixedly installed with a support column. The other end of the lower side of the device housing is fixedly installed with a discharge pipe. A conveying pipe is fixedly installed between the bottoms of the discharge pipe and the support column. A metal net is fixedly installed on the surface of the conveying pipe. A sleeve is sleeved outside the conveying pipe. Both ends of the bottom of the device housing are respectively fixedly installed with a support leg and a backing plate. The upper ends of the surface of the sleeve are respectively rotationally connected to the bottom of the device housing through a rotating sleeve. One end of the bottom of the conveying pipe is fixedly installed with a discharge valve. One side of the backing plate is fixedly installed with a support frame;
[0006] A driving motor is fixedly installed on one side of the support frame. A first driving roller is rotatably installed at one end inside the equipment housing, and a second driving roller is rotatably installed at the other end inside the equipment housing. A conveyor belt is installed between the surfaces of the first driving roller and the second driving roller. A screw conveyor is provided inside the conveying pipe. Ten fixing covers are fixedly installed on the surface of the sleeve at equal distances and symmetrically. A blower is fixedly installed inside each fixing cover, and a semiconductor refrigeration sheet is fixedly installed inside each fixing cover. An observation window is fixedly installed on one side of the equipment housing. A transmission component is provided at the output end of the driving motor, and the transmission component is in transmission connection with the screw conveyor, the first driving roller, and the sleeve. When the driving motor operates, power is output to the screw conveyor, the first driving roller, and the sleeve through the transmission component.
[0007] Preferably, the transmission component includes a lower sprocket, which is fixedly installed at the output end of the driving motor. An upper sprocket is provided above the lower sprocket. One side of the upper sprocket is rotatably connected to the support frame. A first chain is meshed and connected between the upper sprocket and the lower sprocket. A shaft rod is fixedly installed on the other side of the upper sprocket. The surface of the shaft rod is rotatably connected to the equipment housing through a shaft sleeve. One end of the shaft rod extends into the equipment housing and is fixedly connected to the first driving roller.
[0008] Preferably, a rotating shaft is fixedly installed on one side of the lower sprocket. The surface of the rotating shaft is rotatably connected to the conveying pipe through a bearing. One end of the rotating shaft extends into the conveying pipe and is fixedly installed with a worm, and one end of the worm is rotatably connected to the inside of the conveying pipe.
[0009] Preferably, a rotating shaft is fixedly installed on one side of the lower sprocket. The surface of the rotating shaft is rotatably connected to the conveying pipe through a bearing. One end of the rotating shaft extends into the conveying pipe and is fixedly installed with a worm, and one end of the worm is rotatably connected to the inside of the conveying pipe.
[0010] Preferably, a worm gear is meshed and connected to the upper part of the surface of the worm. A driving shaft is fixedly installed in the middle of the worm gear. One end of the driving shaft is rotatably connected to the inner wall of one end of the conveying pipe. A retaining disc is rotatably installed at one end of the surface of the driving shaft. The circumferential surface of the retaining disc is fixedly connected to the inner wall of the conveying pipe. The other end of the driving shaft is fixedly connected to the screw conveyor, and one end of the screw conveyor is rotatably connected to the inner wall of the other end of the conveying pipe.
[0011] Preferably, an inner sprocket is fixedly installed in the middle of the surface of the driving shaft. An outer sprocket is provided below the inner sprocket and outside the conveying pipe. A second chain is meshed and connected between the outer sprocket and the inner sprocket.
[0012] Preferably, a rotating rod is fixedly installed on one side of the outer sprocket. A gear is fixedly installed at one end of the rotating rod. Positioning seats are rotatably installed on the sides of the gear and the outer sprocket away from each other. The bottoms of the two positioning seats are fixedly connected to the upper part of the backing plate.
[0013] Preferably, an external gear ring is meshed and connected to the upper part of the gear, and the external gear ring is fixedly installed at one end of the sleeve.
[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0015] (1) During operation, the operator puts nuts into the conveyor belt inside the equipment housing through the feed hopper. At the same time, the operator starts the driving motor to run. When the driving motor runs, it drives the lower sprocket to rotate. When the lower sprocket rotates, it drives the upper sprocket to rotate through the first chain. The upper sprocket drives the shaft rod to rotate inside the shaft sleeve. When the shaft rod rotates, it drives the first driving roller to rotate. When the first driving roller rotates, it can move the conveyor belt through the cooperation of the second driving roller, thereby conveying the nuts. During the conveying of the nuts, the nuts are heated and sterilized by the microwave heater. After heating and sterilization, the nuts will fall into the inside of the conveying pipe through the feeding pipe;
[0016] (2) When the lower sprocket rotates, it will also drive the rotating shaft to rotate inside the bearing. When the rotating shaft rotates, it drives the worm gear to rotate through the worm. When the worm gear rotates, it drives the driving shaft to rotate. When the driving shaft rotates, it drives the auger to rotate and convey the nuts; at the same time, the operator starts ten fans to run simultaneously. When the fans run, they all inhale the air cooled by the semiconductor refrigerating sheet and blow it into the inside of the conveying pipe through the metal mesh to cool the nuts being conveyed;
[0017] (3) When the driving shaft rotates, it will also drive the inner sprocket to rotate. When the inner sprocket rotates, it drives the outer sprocket to rotate through the second chain. When the outer sprocket rotates, it drives the gear to rotate through the rotating rod. When the gear rotates, it drives the sleeve to rotate through the external gear ring. When the sleeve rotates, it will drive ten fans to revolve along the conveying pipe, so that the fans can cool the nuts evenly and comprehensively, thereby improving the cooling effect. The cooled nuts will be discharged through the discharging valve;
[0018] (4) It enables the nut sterilization and cooling device of the present invention to cool the nuts evenly and comprehensively, thereby accelerating the cooling speed, and cooperating with the compact and continuous processing method, greatly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention.
[0020] In the drawings:
[0021] Figure 1 is a schematic structural diagram of the dual-effect tunnel-type equipment for nut sterilization and cooling of the present invention Figure 1 ;
[0022] Figure 2 is a schematic structural diagram of the dual-effect tunnel-type equipment for nut sterilization and cooling of the present inventionFigure 2 ;
[0023] Figure 3 Structural schematic of the dual - effect tunnel - type device for nut sterilization and cooling of the present invention Figure 3 ;
[0024] Figure 4 Internal structural schematic of the sleeve of the present invention;
[0025] Figure 5 Internal structural schematic of the device shell and the conveying pipe of the present invention;
[0026] Figure 6 Internal structural schematic of the device shell of the present invention;
[0027] Figure 7 For the present invention Figure 5 Enlarged structural schematic at position A in
[0028] In the figure: 1. Device shell; 2. Microwave heater; 3. Feed hopper; 4. Support column; 5. Feed pipe; 6. Conveying pipe; 7. Sleeve; 8. Base plate; 9. Metal mesh; 10. Rotating sleeve; 11. Feed valve; 12. Support frame; 13. Driving motor; 14. First driving roller; 15. Second driving roller; 16. Conveyor belt; 17. Auger; 18. Fixed cover; 19. Fan; 20. Thermoelectric cooler; 21. Observation window; 22. Lower sprocket; 23. Upper sprocket; 24. First chain; 25. Shaft rod; 26. Bushing; 27. Rotating shaft; 28. Bearing; 29. Worm; 30. Worm gear; 31. Driving shaft; 32. Stop disk; 33. Inner sprocket; 34. Outer sprocket; 35. Positioning seat; 36. Second chain; 37. Rotating rod; 38. Gear; 39. External gear ring; 40. Support leg. Detailed implementation manners
[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0030] Embodiment 1, consists of Figures 1 to 7Provided that, the present invention includes an equipment housing 1, a microwave heater 2 is fixedly installed in the middle of the top of the equipment housing 1, a feed hopper 3 is fixedly installed at one end of the top of the equipment housing 1, a support column 4 is fixedly installed at one end of the lower side of the equipment housing 1, a discharge pipe 5 is fixedly installed at the other end of the lower side of the equipment housing 1, a conveying pipe 6 is fixedly installed between the bottom of the discharge pipe 5 and the support column 4, a metal mesh 9 is fixedly installed on the surface of the conveying pipe 6, a sleeve 7 is sleeved outside the conveying pipe 6, support legs 40 and pads 8 are respectively fixedly installed at both ends of the bottom of the equipment housing 1, the upper ends of the surfaces of the sleeves 7 are rotatably connected to the bottom of the equipment housing 1 through rotating sleeves 10, a discharge valve 11 is fixedly installed at one end of the bottom of the conveying pipe 6, and a support frame 12 is fixedly installed on one side of the pad 8;
[0031] A driving motor 13 is fixedly installed on one side of the support frame 12, a first driving roller 14 is rotatably installed at one end inside the equipment housing 1, a second driving roller 15 is rotatably installed at the other end inside the equipment housing 1, a conveyor belt 16 is installed between the surfaces of the first driving roller 14 and the second driving roller 15, an auger 17 is arranged inside the conveying pipe 6, ten fixed covers 18 are fixedly installed on the surface of the sleeve 7 at equal distances and symmetrically, a blower 19 is fixedly installed inside each of the fixed covers 18, a semiconductor refrigeration sheet 20 is fixedly installed inside each of the fixed covers 18, an observation window 21 is fixedly installed on one side of the equipment housing 1, a transmission assembly is arranged at the output end of the driving motor 13, and the transmission assembly is in transmission connection with the auger 17, the first driving roller 14 and the sleeve 7. When the driving motor 13 operates, power is output to the auger 17, the first driving roller 14 and the sleeve 7 through the transmission assembly.
[0032] During operation, the operator puts nuts into the conveyor belt 16 inside the equipment housing 1 through the feed hopper 3. At the same time, the operator starts the driving motor 13 to operate. When the driving motor 13 operates, it drives the transmission assembly to operate. When the transmission assembly operates, it drives the first driving roller 14 to rotate. When the first driving roller 14 rotates, the conveyor belt 16 can be moved through the cooperation of the second driving roller 15, so as to convey the nuts. During the conveying of the nuts, the nuts are heated and sterilized by the microwave heater 2, and the nuts after heating and sterilization will fall into the inside of the conveying pipe 6 through the discharge pipe 5;
[0033] When the transmission assembly operates, it will also drive the auger 17 to rotate and convey the nuts in the conveying pipe 6; at the same time, the operator starts ten blowers 19 to operate simultaneously. When the blowers 19 operate, they all inhale the air cooled by the semiconductor refrigeration sheets 20 and blow it into the inside of the conveying pipe 6 through the metal mesh 9 to cool the nuts being conveyed;
[0034] While the transmission component is operating, it will also drive the sleeve 7 to rotate. When the sleeve 7 rotates, it will drive ten fans 19 to revolve along the conveying pipe 6, so that the fans 19 can cool the nuts evenly and comprehensively, thereby improving the cooling effect. The cooled nuts will be discharged through the discharge valve 11; this nut sterilization and cooling device can cool the nuts evenly and comprehensively, thereby accelerating the cooling rate, and cooperating with the compact and continuous processing method, greatly improving the processing efficiency.
[0035] Embodiment 2, on the basis of Embodiment 1, the transmission component includes a lower sprocket 22, the lower sprocket 22 is fixedly installed at the output end of the driving motor 13, an upper sprocket 23 is arranged above the lower sprocket 22, one side of the upper sprocket 23 is rotatably connected to the support frame 12, and a first chain 24 is meshed and connected between the upper sprocket 23 and the lower sprocket 22. The other side of the upper sprocket 23 is fixedly installed with a shaft rod 25, the surface of the shaft rod 25 is rotatably connected to the equipment housing 1 through a shaft sleeve 26, and one end of the shaft rod 25 extends into the equipment housing 1 and is fixedly connected to the first driving roller 14.
[0036] The operator starts the driving motor 13 to operate. When the driving motor 13 operates, it drives the lower sprocket 22 to rotate. When the lower sprocket 22 rotates, it drives the upper sprocket 23 to rotate through the first chain 24. The upper sprocket 23 drives the shaft rod 25 to rotate inside the shaft sleeve 26. When the shaft rod 25 rotates, it drives the first driving roller 14 to rotate. When the first driving roller 14 rotates, it can move the conveyor belt 16 through the cooperation of the second driving roller 15, so as to convey the nuts.
[0037] Embodiment 3, on the basis of Embodiment 2, a rotating shaft 27 is fixedly installed on one side of the lower sprocket 22. The surface of the rotating shaft 27 is rotatably connected to the conveying pipe 6 through a bearing 28. One end of the rotating shaft 27 extends into the conveying pipe 6 and is fixedly installed with a worm 29. One end of the worm 29 is rotatably connected to the inside of the conveying pipe 6; the upper part of the surface of the worm 29 is meshed and connected with a worm gear 30. The middle of the worm gear 30 is fixedly installed with a driving shaft 31. One end of the driving shaft 31 is rotatably connected to the inner wall of one end of the conveying pipe 6. One end of the surface of the driving shaft 31 is rotatably installed with a retaining disc 32. The circumferential surface of the retaining disc 32 is fixedly connected to the inner wall of the conveying pipe 6. The other end of the driving shaft 31 is fixedly connected to the auger 17. One end of the auger 17 is rotatably connected to the inner wall of the other end of the conveying pipe 6.
[0038] While the lower sprocket 22 is rotating, it will also drive the rotating shaft 27 to rotate inside the bearing 28. When the rotating shaft 27 rotates, it drives the worm gear 30 to rotate through the worm 29. When the worm gear 30 rotates, it drives the driving shaft 31 to rotate. When the driving shaft 31 rotates, it drives the auger 17 to rotate and convey the nuts.
[0039] Embodiment 4. On the basis of Embodiment 3, an inner sprocket 33 is fixedly installed in the middle of the surface of the drive shaft 31. Below the inner sprocket 33 and outside the conveying pipe 6, there is an outer sprocket 34. A second chain 36 is meshed and connected between the outer sprocket 34 and the inner sprocket 33;
[0040] On one side of the outer sprocket 34, a rotating rod 37 is fixedly installed. At one end of the rotating rod 37, a gear 38 is fixedly installed. On the sides of the gear 38 and the outer sprocket 34 away from each other, positioning seats 35 are rotatably installed. The bottoms of the two positioning seats 35 are fixedly connected to the upper part of the backing plate 8; The upper part of the gear 38 is meshed with an external gear ring 39, and the external gear ring 39 is fixedly installed at one end of the sleeve 7;
[0041] When the drive shaft 31 rotates, it will also drive the inner sprocket 33 to rotate. When the inner sprocket 33 rotates, it drives the outer sprocket 34 to rotate through the second chain 36. When the outer sprocket 34 rotates, it drives the gear 38 to rotate through the rotating rod 37. When the gear 38 rotates, it drives the sleeve 7 to rotate through the external gear ring 39. When the sleeve 7 rotates, it drives ten fans 19 to revolve along the conveying pipe 6, so that the fans 19 can cool the nuts evenly and comprehensively.
[0042] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.
[0043] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dual-effect tunnel-type device for nut sterilization and cooling, comprising a device housing (1), characterized in that: In the middle of the top of the device housing (1), a microwave heater (2) is fixedly installed. At one end of the top of the device housing (1), a feed hopper (3) is fixedly installed. At one end of the lower side of the device housing (1), a support column (4) is fixedly installed. At the other end of the lower side of the device housing (1), a discharge pipe (5) is fixedly installed. Between the bottom of the discharge pipe (5) and the support column (4), a conveying pipe (6) is fixedly installed. A metal mesh (9) is fixedly installed on the surface of the conveying pipe (6). A sleeve (7) is sleeved outside the conveying pipe (6). At both ends of the bottom of the device housing (1), a support leg (40) and a backing plate (8) are respectively fixedly installed. The upper ends of the surface of the sleeve (7) are rotationally connected to the bottom of the device housing (1) through rotating sleeves (10). At one end of the bottom of the conveying pipe (6), a discharge valve (11) is fixedly installed. On one side of the backing plate (8), a support frame (12) is fixedly installed; On one side of the support frame (12), a driving motor (13) is fixedly installed. At one end inside the device housing (1), a first driving roller (14) is rotatably installed. At the other end inside the device housing (1), a second driving roller (15) is rotatably installed. A conveyor belt (16) is installed between the surfaces of the first driving roller (14) and the second driving roller (15). An auger (17) is provided inside the conveying pipe (6). Ten fixed covers (18) are fixedly installed on the surface of the sleeve (7) at equal distances and symmetrically. Inside the fixed covers (18), fans (19) are fixedly installed. Inside the fixed covers (18), semiconductor refrigeration sheets (20) are fixedly installed. On one side of the device housing (1), an observation window (21) is fixedly installed. A transmission assembly is provided at the output end of the driving motor (13). The transmission assembly is in transmission connection with the auger (17), the first driving roller (14), and the sleeve (7). When the driving motor (13) operates, power is output to the auger (17), the first driving roller (14), and the sleeve (7) through the transmission assembly.
2. A dual-effect tunnel-type device for nut sterilization and cooling according to claim 1, characterized in that: The transmission assembly includes a lower sprocket (22). The lower sprocket (22) is fixedly installed at the output end of the driving motor (13). Above the lower sprocket (22), an upper sprocket (23) is provided. One side of the upper sprocket (23) is rotationally connected to the support frame (12). A first chain (24) is meshed and connected between the upper sprocket (23) and the lower sprocket (22). On the other side of the upper sprocket (23), a shaft rod (25) is fixedly installed. The surface of the shaft rod (25) is rotationally connected to the device housing (1) through a shaft sleeve (26). One end of the shaft rod (25) extends into the device housing (1) and is fixedly connected to the first driving roller (14).
3. A dual-effect tunnel-type device for nut sterilization and cooling according to claim 2, characterized in that: On one side of the lower sprocket (22), a rotating shaft (27) is fixedly installed. The surface of the rotating shaft (27) is rotationally connected to the conveying pipe (6) through a bearing (28). One end of the rotating shaft (27) extends into the conveying pipe (6) and is fixedly installed with a worm (29). One end of the worm (29) is rotationally connected to the inside of the conveying pipe (6).
4. A dual-effect tunnel-type device for sterilizing and cooling nuts according to claim 3, characterized in that: The upper part of the surface of the worm (29) is meshed and connected with a worm wheel (30). A drive shaft (31) is fixedly installed in the middle of the worm wheel (30). One end of the drive shaft (31) is rotatably connected to the inner wall of one end of the conveying pipe (6). A retaining disc (32) is rotatably installed at one end of the surface of the drive shaft (31). The circumferential surface of the retaining disc (32) is fixedly connected to the inner wall of the conveying pipe (6). The other end of the drive shaft (31) is fixedly connected to the auger (17). One end of the auger (17) is rotatably connected to the inner wall of the other end of the conveying pipe (6).
5. A dual-effect tunnel-type device for nut sterilization and cooling according to claim 4, characterized in that: An inner sprocket (33) is fixedly installed in the middle of the surface of the drive shaft (31). An outer sprocket (34) is arranged below the inner sprocket (33) and outside the conveying pipe (6). A second chain (36) is meshed and connected between the outer sprocket (34) and the inner sprocket (33).
6. A dual-effect tunnel-type device for nut sterilization and cooling according to claim 5, characterized in that: A rotating rod (37) is fixedly installed on one side of the outer sprocket (34). A gear (38) is fixedly installed at one end of the rotating rod (37). Positioning seats (35) are rotatably installed on the sides of the gear (38) and the outer sprocket (34) that are away from each other. The bottoms of the two positioning seats (35) are fixedly connected to the upper part of the backing plate (8).
7. A dual-effect tunnel-type device for nut sterilization and cooling according to claim 6, characterized in that: The upper part of the gear (38) is meshed and connected with an external gear ring (39). The external gear ring (39) is fixedly installed at one end of the sleeve (7).