Spiral roasted eel conveying belt and roasted eel production method

Abstract

The invention relates to the technical field of automatic eel processing equipment, solves the problem of large occupied area in the prior art, and discloses a spiral roasted eel conveying belt and a roasted eel production method.The spiral roasted eel conveying belt comprises a cooking cabin, a feeding port and a discharging port are formed in the outer wall, an input conveying belt is arranged at the feeding port, and an output conveying belt is arranged at the discharging port; a spiral plate rack and a support frame are arranged in the cooking cabin; the steam boiler is arranged on the outer side of the cooking cabin and is connected with the cooking cabin through a steam pipe; the conveying net belt comprises a feeding section, a spiral section, a discharging section, a connecting section and a return stroke section. The feeding section is horizontally arranged and located on the same plane with the input conveying belt. The discharging section is horizontally arranged and located on the same plane with the output conveying belt. One end of the spiral section is connected with the feeding section, and the other end of the spiral section is connected with the discharging section; the return stroke section is arranged below the feeding section in parallel and is connected with the feeding section; and a transmission assembly. According to the invention, equipment arrangement space can be saved.

Description

Technical Field

[0001] The present application relates to the technical field of automated eel processing equipment, and in particular to a spiral eel roasting conveyor belt and a roasted eel production method. Background Art

[0002] The process of grilled eel processing requires slaughtering, cleaning, skewering, grilling, etc. If it relies on manual operation, it is not only time-consuming and labor-intensive, but also difficult to ensure the stability and consistency of product quality.

[0003] There is a roasted eel cooking device in the prior art, which includes a frame, a conveying system, a cooking channel and a heating system. The frame serves as the supporting structure of the entire device. The conveying system includes a linear conveyor belt, which is used to transport the eels from the entrance to the cooking channel and finally send them out of the device. The conveyor belt is usually made of Teflon mesh belt or stainless steel chain material. The cooking channel structure is usually designed to be semi-enclosed or fully enclosed to reduce heat loss. A cooking seat and a steaming cover are provided inside the cooking channel, and the cooking seat is fixed on the frame. The heating system sends high-temperature steam into the cooking channel through a steam pipe to heat and cook the eels in the cooking seat. In order to discharge excess exhaust gas and moisture generated during the cooking process, the device usually provides an exhaust hood or exhaust gas outlet at the outlet of the cooking channel.

[0004] With regard to the above-mentioned prior art, since a linear transmission belt is used to transmit the eels, a sufficient transmission length needs to be provided to ensure that the eels are cooked thoroughly, and thus the equipment occupies a large space. Summary of the invention

[0005] In order to improve the problem of excessive floor space occupied in the prior art, the present application provides a spiral eel roasting conveyor belt and a roasted eel production method.

[0006] The following technical solutions are adopted: First, A spiral eel roasting conveyor belt is disclosed, comprising: a cooking chamber, an outer wall of which is provided with a feed inlet and a discharge inlet, an input conveyor belt is arranged at the feed inlet, and an output conveyor belt is arranged at the discharge inlet; a spiral disc rack and a support frame for supporting the spiral disc rack are arranged in the cooking chamber; a steam boiler is arranged at the outer side of the cooking chamber and connected to the inner space of the cooking chamber through a steam pipe; a conveyor mesh belt comprises a feed section, a spiral section, a discharge section, a connecting section and a return section which are sequentially connected end to end to form a circulation structure; the feed section is arranged horizontally and is in the same plane as the input conveyor belt; the discharge section is arranged horizontally and is in the same plane as the output conveyor belt; the spiral section is curved upward in a spiral structure, one end of the spiral section is connected to the feed section, and the other end is connected to the discharge section; the return section is arranged in parallel below the feed section and connected to the feed section; a transmission assembly is used to drive the conveyor mesh belt to circulate.

[0007] By adopting the above technical solution, the equipment layout space is saved. At the same time, the eel can gradually climb along the spiral path in the cooking chamber, achieving uniform heating and sufficient cooking during the heating process. The quality and consistency of the roasted eel are improved, making the feeding and discharging process of the eel more convenient and efficient.

[0008] Optionally, a steam column for guiding steam is provided in the cooking chamber, and the steam column is connected to the steam pipe.

[0009] By adopting the above technical solution, the steam column enables the steam to act on the eels on the conveyor belt more directly and evenly, thereby improving the heating efficiency and the steaming effect.

[0010] Optionally, the steam column is connected to a plurality of branch pipes, and the branch pipes extend above the conveyor belt.

[0011] By adopting the above technical solution, the coverage and penetration capacity of steam are enhanced.

[0012] Optionally, the conveyor belt consists of connecting rods, connecting rings and connecting blocks; the connecting blocks are provided at both ends of the connecting rods, the connecting blocks are provided with clearance grooves, and the two ends of adjacent connecting rods are slidably connected in the corresponding clearance grooves; a plurality of connecting rings are arranged at intervals on the connecting rods, one end of the connecting ring is fixedly connected to the connecting rod, and the other end is sleeved on the adjacent connecting rod.

[0013] By adopting the above technical solution, the mesh belt structure can turn flexibly.

[0014] Optionally, the transmission assembly includes a driving member, a driving wheel, a return wheel, a first support roller and a second support roller; the first support roller is coaxially provided with a first rotating rod, and the two ends of the first rotating rod are respectively concentrically connected to one of the driving wheels; the driving wheel is used to carry the connecting agglomerates, and the first support roller is used to support the connecting rod and the connecting ring; the first rotating rod is located at the end of the discharging section, and the second rotating rod is located at the beginning of the return section; the driving member is connected to the outer wall of the cooking chamber, and the output end of the driving member penetrates into the cooking chamber to drive the first rotating rod and the second rotating rod to rotate.

[0015] By adopting the above technical solution, the circular motion of the conveyor belt is realized.

[0016] Optionally, the first rotating rod passes through the driving wheel and is provided with a first driven bevel gear; the first rotating rod passes through the driving wheel and is provided with a first driven bevel gear; the output end of the driving member is connected to a rotating shaft, and a plurality of driving bevel gears are connected to the rotating shaft at intervals, and the driving bevel gear meshes with the corresponding first driven bevel gear or the second driven bevel gear.

[0017] Optionally, a tensioning roller is provided at the first rotating rod, and the tensioning roller is arranged parallel to the first rotating rod; both ends of the tensioning roller are connected to the first rotating rod through a telescopic rod, and the telescopic rod is provided with a tendency to always shrink the telescopic rod.

[0018] By adopting the above technical solution, it is ensured that the mesh belt maintains appropriate tension during operation and the stability of the transmission is guaranteed.

[0019] Optionally, the conveyor belt also includes a cleaning box, a cleaning roller and a reversing roller; the cleaning box is located on the moving path of the connecting section; the upper surface of the cleaning box is provided with an inlet groove and an outlet groove for the connecting section to pass through and out; the cleaning roller is rotatably connected to the cleaning box, and a plurality of bristles are arranged in an array on the surface of the cleaning roller; the reversing roller is rotatably connected to the upper surface of the cleaning box; after the connecting section passes through the cleaning box and wraps around the cleaning roller, it passes through the cleaning box and wraps around the reversing roller.

[0020] Optionally, the conveyor belt is further provided with an ultrasonic transducer rod and an electric control unit; the electric control unit is arranged at the bottom of the cleaning box and is used to control the ultrasonic transducer rod; the ultrasonic transducer rod penetrates into the cleaning box; and the cleaning box is filled with liquid medium.

[0021] By adopting the above technical solution, the automatic cleaning of the mesh belt is realized. The ultrasonic transducer rod produces cavitation effect by vibrating the liquid medium, breaking the stains and residues on the surface of the mesh belt; the cleaning roller removes these stains and residues.

[0022] Second, Disclosed is a method for producing roasted eels, which is produced according to the spiral roasted eel conveyor belt, and comprises: step one, preheating the cooking chamber by the steam boiler; step two, inputting the eels into the conveyor mesh belt by the input conveyor belt; step three, the eels are spirally climbed in the conveyor mesh belt and continuously heated; step four, the eels are sent into the output conveyor belt through the discharging section and are sent to the next process; step five, the connecting section is passed into the cleaning box, the surface stains are broken by the cavitation effect generated by the vibration of the liquid medium by the ultrasonic transducer rod, and the cleaning roller is used for friction cleaning; step six, after the connecting section passes out of the cleaning box, it is reversed and returned by the reversing roller to form a cycle.

[0023] In summary, the present application includes at least one of the following beneficial effects: 1. The spiral eel roasting conveyor belt saves equipment floor space through the unique spiral disc design.

[0024] 2. The eels can gradually climb along the spiral path in the cooking chamber, achieving uniform heating and sufficient cooking during the heating process.

[0025] 3. The complete process from eel feeding, steaming and heating, discharging and conveying, automatic cleaning to net belt return is realized. It not only improves the production efficiency and quality stability of roasted eels, but also reduces labor costs and labor intensity.

[0026] 4. The combined cleaning action of the ultrasonic transducer rod and the cleaning roller ensures the hygiene standards of the grilled eels and the cleanliness of the production environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of this embodiment; Figure 2 It is a schematic diagram of the structure behind the hidden cooking chamber; Figure 3 It is a schematic diagram of the structure of the conveyor belt; Figure 4 yes Figure 2 Look at the structural diagram; Figure 5 yes Figure 4 Schematic diagram of partial cross-section structure; Figure 6 It is a schematic diagram of the enlarged structure at A; Figure 7 yes Figure 2 Schematic diagram of the structure after the spiral disc frame is hidden in the side view structure; Figure 8 This is a schematic diagram of the enlarged structure at point B.

[0028] Description of reference numerals: 1, cooking chamber; 11, feed port; 12, discharge port; 13, support frame; 14, spiral disc frame; 15, input conveyor belt; 16, output conveyor belt; 2, steam boiler; 21, steam pipe; 22, steam column; 221, branch pipe; 3, conveyor mesh belt; 31, feed section; 32, spiral section; 33, discharge section; 34, connecting section; 35, return section; 36, connecting rod; 37, connecting ring; 38, connecting agglomerate; 381, clearance groove; 4. Transmission assembly; 41. Driving member; 411. Rotating shaft; 412. Active bevel gear; 42. Active wheel; 421. First rotating rod; 422. First supporting roller; 423. First driven bevel gear; 43. Return wheel; 431. Second rotating rod; 432. Second supporting roller; 433. Second driven bevel gear; 44. Tensioning roller; 441. Telescopic rod; 51. Cleaning box; 52. Cleaning roller; 53. Ultrasonic transducer rod; 54. Electronic control unit; 55. Reversing roller. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1 To Attachment Figure 8 This application is described in further detail.

[0030] Embodiment 1: Reference Figure 1 and Figure 2 This embodiment discloses a spiral eel roasting conveyor belt. In order to reduce the floor space of the equipment and improve the efficiency of eel cooking, the conveyor belt includes three parts, namely, a cooking chamber 1, a conveyor mesh belt 3 and a steam boiler 2. Furthermore, in order to facilitate the removal of the scraps adhered to the conveyor mesh belt 3 during the eel cooking process, a fourth part, a cleaning box 51, is also provided.

[0031] Reference Figure 1 and Figure 2 , wherein the cooking chamber 1 is a hollow rectangular shell structure, and a feed port 11 and a discharge port 12 are provided on its outer wall. An input conveyor belt 15 is provided at the feed port 11, and an output conveyor belt 16 is provided at the discharge port 12. A spiral disc rack 14 and a support frame 13 for supporting the spiral disc rack 14 are provided in the cooking chamber 1. The steam boiler 2 is provided outside the cooking chamber 1 and connected to the inner space of the cooking chamber 1 through a steam pipe 21. The conveyor mesh belt 3 includes a feed section 31, a spiral section 32, a discharge section 33, a connecting section 34 and a return section 35 which are connected end to end to form a circulation structure. The feed section 31 is arranged horizontally and is in the same plane as the input conveyor belt 15. The discharge section 33 is arranged horizontally and is in the same plane as the output conveyor belt 16. The spiral section 32 is spirally structured and coiled upward, and one end of the spiral section 32 is connected to the feed section 31, and the other end is connected to the discharge section 33. The return section 35 is arranged parallel to and below the feed section 31, and is connected to the feed section 31. The transmission assembly 4 is used to drive the conveyor mesh belt 3 to circulate.

[0032] Specifically, the cooking chamber 1 is made of high-strength, corrosion-resistant stainless steel, and its outer wall is designed as a double-layer structure, with insulation material filled in the middle to maintain a stable internal temperature. A feed inlet 11 and a discharge outlet 12 are respectively opened on both sides of the outer wall, and a sealing door is provided to ensure sealing during the cooking process.

[0033] Specifically, the feed port 11 is located at the bottom of the outer wall of one side of the cooking chamber 1, and is connected to the input conveyor belt 15 to ensure that the eels can smoothly enter the cooking chamber 1. The discharge port 12 is located at the top of the outer wall of the other side of the cooking chamber 1, and is connected to the output conveyor belt 16, so that the eels can be discharged smoothly after being cooked.

[0034] Reference Figure 2 Specifically, the spiral rack 14 adopts a spiral design and is welded from multiple arc-shaped steel plates. Each section is connected by bolts to facilitate adjustment of height and angle. The support frame 13 adopts a solid steel frame structure and is evenly distributed below the spiral rack 14. It is fixed to the bottom of the cooking chamber 1 by welding or bolting to ensure the stability of the spiral rack 14.

[0035] Reference Figure 2Furthermore, the steam boiler 2 is arranged in a special machine room outside the cooking chamber 1, and adopts an efficient and energy-saving gas or electric heating method, which can quickly generate a large amount of steam. Safety devices such as a water level gauge, a pressure gauge and a safety valve are arranged inside the boiler to ensure safe operation. The steam pipe 21 is made of a high-temperature resistant and corrosion-resistant stainless steel pipe, which is led out from the steam boiler 2 and passes through the outer wall of the cooking chamber 1 to enter the internal space. A steam column 22 for guiding steam is arranged in the cooking chamber 1, and the steam column 22 is connected to the steam pipe 21. The steam column 22 is arranged at the top center of the cooking chamber 1 and is directly connected to the steam pipe 21. A plurality of steam nozzles are arranged on the steam column 22 to ensure uniform distribution of steam. The steam column 22 is arranged in the cooking chamber 1 and is connected to the steam pipe 21, which effectively improves the utilization rate and distribution uniformity of steam. As a steam guide, the steam column 22 enables the steam to act more directly and evenly on the eels on the conveyor mesh belt 3, thereby improving the heating efficiency and cooking effect.

[0036] Reference Figure 2 Furthermore, below the steam column 22, a plurality of branch pipes 221 are arranged along the path of the spiral rack 14, and the branch pipes 221 are densely covered with small holes and extend above the conveyor mesh belt 3. These branch pipes 221 are connected to the steam column 22 through pipes, further enhancing the coverage and penetration of the steam. It is ensured that the steam can cover every corner of the conveyor mesh belt 3 in detail, promoting uniform heating of the surface and interior of the eel, and improving the taste and appearance quality of the grilled eel.

[0037] Reference Figure 3 Further, the conveyor mesh belt 3 is composed of a connecting rod 36, a connecting ring 37 and a connecting block 38. The connecting rod 36 is provided with a connecting block 38 at both ends, and the connecting block 38 is provided with a clearance groove 381, and the two ends of the adjacent connecting rods 36 are slidably connected in the corresponding clearance groove 381. The connecting rod 36 is provided with a plurality of connecting rings 37 at intervals, one end of the connecting ring 37 is fixed to the connecting rod 36, and the other end is sleeved on the adjacent connecting rod 36. The main bearing component of the conveyor mesh belt 3 is the connecting rod 36, and the connecting blocks 38 are installed at both ends of the connecting rod 36. The connecting block 38 is provided with a precise clearance groove 381, and the two ends of the adjacent connecting rods 36 are installed in the corresponding clearance groove 381 by sliding fit, so as to realize flexible turning. One end of the connecting ring 37 is welded or bolted to the connecting rod 36, and the other end is sleeved on the adjacent connecting rod 36 to form a stable grid structure. This design not only ensures the strength of the mesh belt, but also improves the air permeability. The conveyor mesh belt 3 is made of food-grade stainless steel, with a smooth surface that is easy to clean and meets food safety standards. The conveyor mesh belt 3 adopts a combination design of a connecting rod 36, a connecting ring 37 and a connecting block 38, so that the mesh belt structure can turn flexibly. This structural design also helps to improve the air permeability of the mesh belt, allowing steam to penetrate the mesh belt more smoothly and act on the surface of the eel.

[0038] Reference Figure 2 and Figures 4 to 8 Furthermore, the transmission assembly 4 includes a driving member 41, a driving wheel 42, a return wheel 43, a first support roller 422 and a second support roller 432. The driving member 41 is a high-performance motor and is installed on a fixed bracket outside the cooking chamber 1. The output end of the motor is connected to the rotating shaft 411 through a coupling, and the rotating shaft 411 passes through the outer wall of the cooking chamber 1 and enters the internal space. The first support roller 422 is coaxially provided with a first rotating rod 421, and a driving wheel 42 is concentrically connected to each end of the first rotating rod 421. The driving wheel 42 is used to carry the connecting agglomerates 38, and the first support roller 422 is used to support the connecting rod 36 and the connecting ring 37. The first rotating rod 421 is located at the end of the discharging section 33, and the second rotating rod 431 is located at the beginning of the return section 35. The driving member 41 is connected to the outer wall of the cooking chamber 1, and the output end of the driving member 41 penetrates into the cooking chamber 1 to drive the first rotating rod 421 and the second rotating rod 431 to rotate. The transmission assembly 4 realizes the cyclic motion of the conveyor mesh belt 3 through the coordinated action of the driving member 41, the driving wheel 42, the return wheel 43, the first support roller 422 and the second support roller 432. This driving mechanism is not only compact in structure and efficient, but also can ensure the stability and reliability of the mesh belt during operation. In particular, the arrangement of the first rotating rod 421 and the second rotating rod 431 enables the mesh belt to smoothly transition between the inlet and outlet section 33 and the return section 35, reducing the failure rate and maintenance cost.

[0039] Furthermore, a plurality of active bevel gears 412 are installed at intervals on the rotating shaft 411, and the first rotating rod 421 and the second rotating rod 431 respectively pass through the active wheel 42, and are equipped with the first driven bevel gear 423 and the second driven bevel gear 433. The active bevel gear 412 is meshed with the corresponding driven bevel gear to achieve accurate power transmission. The active wheel 42 and the return wheel 43 are respectively installed at the two ends of the first rotating rod 421 and the second rotating rod 431, and are used to carry and guide the conveyor mesh belt 3. The first support roller 422 and the second support roller 432 are used to support the rest of the conveyor mesh belt 3 to ensure the stable operation of the mesh belt. A tensioning roller 44 is arranged at the first rotating rod 421, and the two ends of the tensioning roller 44 are connected to the first rotating rod 421 through a telescopic rod 441. A spring or a hydraulic device is installed inside the telescopic rod 441, so that the telescopic rod 441 always maintains a contraction trend, thereby adjusting the tightness of the mesh belt. Through the design of bevel gear transmission, the driving member 41 can accurately control the first rotating rod 421 and the second rotating rod 431. The meshing transmission of the bevel gears makes the power transmission more stable and reliable, and reduces the energy loss in the transmission process. The setting of the tensioning roller 44 can effectively adjust the tightness of the mesh belt, ensure that the mesh belt maintains appropriate tension during operation, and ensure the stability of the transmission.

[0040] Reference Figure 6Furthermore, the conveyor belt also includes a cleaning box 51, a cleaning roller 52 and a reversing roller 55. The cleaning box 51 is located at an appropriate position of the moving path of the connecting section 34. The upper surface of the cleaning box 51 is provided with a mesh inlet and mesh outlet slots for the connecting section 34 to pass through and pass through. The cleaning box 51 is provided with a drain port and a sewage outlet inside for easy cleaning and maintenance. The cleaning roller 52 is rotatably connected to the cleaning box 51, and a soft and dense bristle array is installed on the surface of the cleaning roller 52 to scrub the stains and residues on the surface of the conveyor mesh belt 3. The reversing roller 55 is rotatably connected to the upper surface of the cleaning box 51 to guide the conveyor mesh belt 3 to reverse smoothly after cleaning. The surface of the reversing roller 55 is also covered with wear-resistant material to ensure that the mesh belt will not be damaged during the reversing process. After the connecting section 34 passes through the cleaning box 51 and is wound around the cleaning roller 52, it passes through the cleaning box 51 and is wound around the reversing roller 55.

[0041] Furthermore, the conveyor belt is also provided with an ultrasonic transducer rod 53 and an electric control unit 54. The electric control unit 54 is arranged at the bottom of the cleaning box 51, and is used to control the ultrasonic transducer rod 53. The ultrasonic transducer rod 53 penetrates into the cleaning box 51. The cleaning box 51 is filled with water or other suitable liquid media. The cleaning roller 52 and the ultrasonic transducer rod 53 arranged in the cleaning box 51 act together on the connecting section 34 of the conveyor mesh belt 3, thereby realizing automatic cleaning of the mesh belt. The ultrasonic transducer rod 53 produces a cavitation effect by vibrating the liquid medium, which effectively breaks the stains and residues on the surface of the mesh belt. The friction of the cleaning roller 52 further removes these stains and residues. This cleaning method is not only efficient and environmentally friendly, but also prolongs the service life of the mesh belt and the production hygiene standards of the grilled eel.

[0042] The implementation principle of a spiral eel roasting conveyor belt in the embodiment of the present application is: The unique design of the spiral disc 14 enables the eel to gradually climb along the spiral path in the cooking chamber 1, achieving uniform heating and sufficient cooking during the heating process. The hollow shell structure of the cooking chamber 1 and the steam supply of the steam boiler 2. The transmission assembly 4 realizes the cyclic movement of the conveyor belt 3 through the coordinated action of the driving member 41, the driving wheel 42, the return wheel 43, the first support roller 422 and the second support roller 432.

[0043] The cleaning roller 52 and the ultrasonic transducer rod 53 provided in the cleaning box 51 act together on the connecting section 34 of the conveyor mesh belt 3 to realize automatic cleaning of the mesh belt. The ultrasonic transducer rod 53 generates a cavitation effect by vibrating the liquid medium, effectively breaking the stains and residues on the surface of the mesh belt; and the friction of the cleaning roller 52 further removes these stains and residues.

[0044] Embodiment 2: A method for producing roasted eels, using the spiral roasted eel conveyor belt in the first embodiment to process eels, comprising: Step 1: preheating the cooking chamber 1 by the steam boiler 2; Step 2, feeding the eels into the conveyor belt 3 via the input conveyor belt 15; Step 3, the eel is spirally ascended in the conveyor belt 3 and continuously heated; Step 4, the eels are sent to the output conveyor belt 16 through the discharging section 33 and then transferred to the next process; Step 5: The connecting section 34 is inserted into the cleaning box 51, and the ultrasonic transducer rod 53 generates a cavitation effect on the liquid medium to break the surface stains, and the cleaning roller 52 cleans them by friction; Step six, the connecting section 34 passes through the cleaning box 51 and then reverses back through the reversing roller 55 to form a cycle.

[0045] The roasted eel production method realizes a complete process from eel feeding, steaming and heating, discharging and conveying, automatic cleaning to net belt return through a series of orderly steps. This method not only improves the production efficiency and quality stability of roasted eels, but also reduces labor costs and labor intensity. In particular, the combined cleaning effect of the ultrasonic transducer rod 53 and the cleaning roller 52 ensures the hygiene standard of the roasted eels and the cleanliness of the production environment.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A spiral eel roasting conveyor belt, characterized in that: include: A cooking chamber (1) is provided with a feed inlet (11) and a discharge outlet (12) on its outer wall; an input conveyor belt (15) is provided at the feed inlet (11), and an output conveyor belt (16) is provided at the discharge outlet (12); a spiral disc rack (14) and a support frame (13) for supporting the spiral disc rack (14) are provided in the cooking chamber (1); A steam boiler (2) is arranged outside the cooking chamber (1) and connected to the internal space of the cooking chamber (1) via a steam pipe (21); The conveyor mesh belt (3) comprises a feed section (31), a spiral section (32), a discharge section (33), a connection section (34) and a return section (35) which are connected end to end in sequence to form a circulating structure; the feed section (31) is arranged horizontally and is in the same plane as the input conveyor belt (15); the discharge section (33) is arranged horizontally and is in the same plane as the output conveyor belt (16); the spiral section (32) is wound upward in a spiral structure, one end of the spiral section (32) is connected to the feed section (31), and the other end is connected to the discharge section (33); the return section (35) is arranged parallel to and below the feed section (31), and is connected to the feed section (31); The transmission assembly (4) is used to drive the conveyor belt (3) to circulate.

2. The spiral eel roasting conveyor belt according to claim 1 is characterized in that: A steam column (22) for guiding steam is arranged in the cooking chamber (1); the steam column (22) is in communication with the steam pipe (21).

3. The spiral eel roasting conveyor belt according to claim 2 is characterized in that: The steam column (22) is connected to a plurality of branch pipes (221), and the branch pipes (221) extend upwardly from the conveyor mesh belt (3).

4. The spiral eel roasting conveyor belt according to claim 1 is characterized in that: The conveyor mesh belt (3) comprises a connecting rod (36), a connecting ring (37) and a connecting block (38); the connecting blocks (38) are arranged at both ends of the connecting rod (36); the connecting blocks (38) are provided with a clearance groove (381), and the two ends of adjacent connecting rods (36) are slidably connected in the corresponding clearance grooves (381); the connecting rod (36) is provided with a plurality of connecting rings (37) at intervals, one end of the connecting ring (37) is fixedly connected to the connecting rod (36), and the other end is sleeved on the adjacent connecting rod (36).

5. The spiral eel roasting conveyor belt according to claim 4 is characterized in that: The transmission assembly (4) comprises a driving member (41), a driving wheel (42), a return wheel (43), a first supporting roller (422) and a second supporting roller (432); the first supporting roller (422) is coaxially provided with a first rotating rod (421), and the two ends of the first rotating rod (421) are respectively coaxially connected to one of the driving wheels (42); the second supporting roller (432) is also provided with a second rotating rod (431); the second rotating rod (431) is connected to the return wheel (43); the driving wheel (42) and the return wheel (43) are used to The first support roller (422) and the second support roller (432) are used to support the connecting rod (36) and the connecting ring (37) for carrying the connecting block (38); the first rotating rod (421) is located at the end of the discharging section (33), and the second rotating rod (431) is located at the beginning of the return section (35); the driving member (41) is connected to the outer wall of the cooking chamber (1), and the output end of the driving member (41) penetrates into the cooking chamber (1) to drive the first rotating rod (421) and the second rotating rod (431) to rotate.

6. The spiral eel roasting conveyor belt according to claim 5, characterized in that: The first rotating rod (421) passes through the driving wheel (42) and is provided with a first driven bevel gear (423); the second rotating rod (431) passes through the corresponding driving wheel (42) and is provided with a second driven bevel gear (433); the output end of the driving member (41) is connected to a rotating shaft (411), and a plurality of driving bevel gears (412) are connected to the rotating shaft (411) at intervals, and the driving bevel gear (412) meshes with the corresponding first driven bevel gear (423) or the second driven bevel gear (433).

7. The spiral eel roasting conveyor belt according to claim 5, characterized in that: A tensioning roller (44) is arranged at the first rotating rod (421), and the tensioning roller (44) is arranged parallel to the first rotating rod (421); both ends of the tensioning roller (44) are connected to the first rotating rod (421) via a telescopic rod (441), and an elastic member is arranged inside the telescopic rod (441) so that the telescopic rod (441) always has a tendency to contract.

8. The spiral eel roasting conveyor belt according to claim 7, characterized in that: The conveyor belt further comprises a cleaning box (51), a cleaning roller (52) and a reversing roller (55); the cleaning box (51) is located on the moving path of the connecting section (34); an upper surface of the cleaning box (51) is provided with a mesh inlet slot and a mesh outlet slot for the connecting section (34) to pass through and pass through; the cleaning roller (52) is rotatably connected to the inside of the cleaning box (51), and a plurality of bristles are arranged in an array on the surface of the cleaning roller (52); the reversing roller (55) is rotatably connected to the upper surface of the cleaning box (51); after the connecting section (34) passes through the cleaning box (51) and is wound around the cleaning roller (52), it passes through the cleaning box (51) and is wound around the reversing roller (55).

9. The spiral eel roasting conveyor belt according to claim 8, characterized in that: The conveyor belt is further provided with an ultrasonic transducer rod (53) and an electric control unit (54); the electric control unit (54) is arranged at the bottom of the cleaning box (51) and is used to control the ultrasonic transducer rod (53); the ultrasonic transducer rod (53) penetrates into the cleaning box (51); and the cleaning box (51) is filled with a liquid medium.

10. A method for producing grilled eels, using the spiral grilled eel conveyor belt as claimed in claim 9, characterized in that: include: Step 1: preheating the cooking chamber (1) by using the steam boiler (2); Step 2, inputting the eels into the conveyor belt (3) via the input conveyor belt (15); Step 3, the eel spirals up in the conveyor belt (3) and is continuously heated; Step 4, the eels are sent to the output conveyor belt (16) through the discharge section (33) and then transferred to the next process; Step five, the connecting section (34) is inserted into the cleaning box (51), the cavitation effect generated by the vibration of the liquid medium by the ultrasonic transducer rod (53) breaks the surface stains, and the cleaning roller (52) cleans them by friction; Step six, the connecting section (34) passes through the cleaning box (51) and then reverses and returns via the reversing roller (55), thereby forming a cycle.

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