An improved tunnel drying room for food processing

Abstract

The present invention discloses an improved tunnel drying room for food processing, including a room body fixedly connected to the upper end of a base, a drying and dehumidifying mechanism for drying and dehumidifying materials in the room body, the drying and dehumidifying mechanism including a U-shaped plate sealed and fixedly connected to the top of the room body, a heating pipe fixedly connected to the top of the room body through a bracket, a plurality of fans installed below the inner walls on both sides of the room body, and a fixed frame matched with a plurality of fans fixedly connected to the side walls on both sides of the room body. The present invention sets a drying and dehumidifying mechanism so that hot air continuously flows in the room body, and at the same time, the air outlet is in a cone shape with a wide top and a narrow bottom, so that the speed at which hot air flows out of the U-shaped plate is faster, thereby accelerating the turbulence of the airflow in the room body, thereby accelerating the drying efficiency of materials such as food, and under the action of a desiccant, water vapor in the gas after drying the food and other materials can be absorbed, and then the drying efficiency of the food and other materials can be accelerated again.

Description

Technical Field

[0001] The invention relates to the technical field of drying chambers, and in particular to an improved tunnel type drying chamber for food processing. Background Art

[0002] The drying room, also known as the drying and curing room, is mainly used to dry the moisture of coatings, chemicals, food and various products. Especially in the food processing process, tunnel drying rooms are more widely used.

[0003] In the patent "A spliced ​​tunnel drying room module" with application number "201821430168.6", the solution is mainly to flexibly adjust the size of the tunnel drying room, so as to facilitate installation and disassembly in different places. However, when the tunnel drying room is actually working, there are still the following problems:

[0004] 1. A heating tube is placed on the top of the tunnel drying room for heating. However, since the hot air is above the cold air, the hot air generated by the heating tube cannot flow well in the drying room, and the moisture generated during food drying cannot be removed well, so that the moisture will always remain in the drying room, thus affecting the drying efficiency of food and other materials;

[0005] 2. When food and other materials are transported in the drying room, they will pile up together. In the existing drying room, there is no turning mechanism for continuously turning over the food and other materials, which makes the drying time of food and other materials longer. Summary of the invention

[0006] The purpose of the present invention is to solve the problems existing in the prior art and to propose an improved tunnel drying room for food processing.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] An improved tunnel drying room for food processing, comprising a room body fixedly connected to the upper end of a base, wherein a drying and dehumidifying mechanism for drying and dehumidifying materials is arranged in the room body, wherein the drying and dehumidifying mechanism comprises a U-shaped plate sealed and fixedly connected to the top of the room body, a heating pipe is fixedly connected to the top of the room body through a bracket, a plurality of fans are installed below the inner walls on both sides of the room body, a fixing frame matched with the plurality of fans is fixedly connected to the side walls on both sides of the room body, a dehumidification cylinder is fixedly connected to the side walls on both sides of the room body, the top of the fixing frame is connected to the bottom of the dehumidification cylinder through a plurality of air inlet pipes, the top of the dehumidification cylinder is connected to the inner wall of the room through a plurality of air outlet pipes, a plurality of air outlet holes are evenly distributed on the side walls of the U-shaped plate, a cross bar is sealed and rotatably connected to the inner wall of the dehumidification cylinder, and a plurality of stirring rods are fixedly connected to the side walls of the cross bar.

[0009] Furthermore, the heating tube is located in the U-shaped plate, the outlet of the air outlet pipe away from the dehumidification tube is located above the heating tube, the air outlet hole is in a cone shape that is wide at the top and narrow at the bottom, and a desiccant is provided in the dehumidification tube.

[0010] Furthermore, a conveying mechanism for conveying materials is provided in the room body, and the conveying mechanism includes a first conveying roller and a second conveying roller rotatably connected to the inner wall of the room body through a rotating shaft, a mesh belt is connected between the first conveying roller and the second conveying roller, and a servo motor for driving the first conveying roller to rotate is fixedly connected to the side wall of the room body.

[0011] Furthermore, a feed plate is fixedly connected to the side wall of the room body near the second conveyor roller, a protective plate is fixedly connected to the bottom of the room body near the first conveyor roller, and a discharge plate is rotatably connected to the top of the room body near the first conveyor roller. The side wall of the discharge plate is elastically connected to the side wall of the U-shaped plate by multiple springs, and the upper end of the protective plate and the lower end of the discharge plate are in an inclined fit.

[0012] Furthermore, the second conveying roller is provided with a driving mechanism for driving the cross bar to rotate, and the driving mechanism includes two turntables coaxially fixedly connected to the second conveying roller, the two turntables are located on both sides of the second conveying roller, the side walls of the room body are fixedly connected to two fixed plates, the side walls of the fixed plates are slidably connected to a sliding rod, the lower end of the sliding rod is fixedly connected to a first tooth plate, one end of the cross bar is fixedly connected to a first gear meshing with the first tooth plate, and the side wall of the turntable away from the axis is rotatably connected to the lower end of the first tooth plate through the driving rod.

[0013] Furthermore, a turning mechanism for turning over the materials is provided in the room body, and the turning mechanism includes grooves opened on the inner walls on both sides of the room body, the inner walls of the grooves are rotatably connected to a lead screw, the side walls of the lead screw are threadedly connected to a slider, the side walls of the slider are fixedly connected to a cross plate, and the lower end of the cross plate is fixedly connected to a plurality of scraper rods.

[0014] Furthermore, the first tooth plate is provided with a transmission mechanism for driving the lead screw to rotate, and the transmission mechanism includes a second tooth plate fixedly connected to the side wall of the first tooth plate, and two frame openings are provided on the inner wall of the room body, one end of the lead screw passes through the side wall of the room body and extends into the frame opening, and one end of the lead screw located in the frame opening is fixedly connected to a second gear meshing with the second tooth plate.

[0015] Furthermore, the two grooves located on the inner wall of the room are horizontally staggered, and a cover shell matching the frame opening is fixedly connected to the inner wall of the room.

[0016] The present invention has the following advantages:

[0017] 1: By setting up a drying and dehumidification mechanism, hot air can flow continuously in the room. At the same time, the air outlet is in a cone shape with a wide top and a narrow bottom, so that the hot air can flow out of the U-shaped plate faster, thereby accelerating the turbulence of the air flow in the room, thereby accelerating the drying efficiency of food and other materials. In addition, under the action of the desiccant, the water vapor in the gas after the food and other materials are dried can be absorbed, and then the drying efficiency of food and other materials can be accelerated again.

[0018] 2: By setting up a driving mechanism, the first tooth plate moves up and down to drive the first gear 405 to rotate forward and reverse continuously, and then drives multiple stirring rods to rotate forward and reverse continuously, so that the desiccant in the dehumidification cylinder can fully contact with the hot air, thereby accelerating the desiccant efficiency.

[0019] 3: By setting up a turning mechanism and a transmission mechanism, the second tooth plate moves up and down to drive the second gear to rotate forward and reverse continuously, thereby driving the lead screw to rotate forward and reverse continuously, and then the two sliders drive the two cross plates to move back and forth, so that multiple scrapers can continuously turn over food and other materials, so that the upper and lower surfaces of food and other materials are evenly heated, thereby reducing the drying time of food and other materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of an improved tunnel drying room for food processing proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of a vertical cross-sectional structure of an improved tunnel-type drying room for food processing proposed by the present invention;

[0022] Figure 3 This is a rear structural schematic diagram of an improved tunnel drying room for food processing proposed by the present invention;

[0023] Figure 4 for Figure 1 A schematic diagram of the structure enlargement at the center A;

[0024] Figure 5 This is a schematic diagram of the structure of a turning mechanism, a transmission mechanism and a driving mechanism in an improved tunnel-type drying room for food processing proposed by the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of a turning mechanism and a transmission mechanism in an improved tunnel-type drying room for food processing proposed by the present invention;

[0026] Figure 7 The present invention provides a schematic structural diagram of a U-shaped plate and a heating tube in an improved tunnel drying room for food processing.

[0027] In the figure: 1 room body, 101 feed plate, 102 protection plate, 103 discharge plate, 104 spring, 2 drying and dehumidification mechanism, 201 U-shaped plate, 202 heating tube, 203 fan, 204 fixed frame, 205 air outlet, 206 dehumidification cylinder, 207 air inlet pipe, 208 air outlet pipe, 209 cross bar, 210 stirring rod, 3 conveying mechanism, 301 first conveying roller, 302 second conveying roller, 303 mesh belt, 304 servo motor, 4 driving mechanism, 401 turntable, 402 fixed plate, 403 slide bar, 404 first tooth plate, 405 first gear, 406 driving rod, 5 turning mechanism, 501 groove, 502 lead screw, 503 slider, 504 cross plate, 505 scraper rod, 6 transmission mechanism, 601 second tooth plate, 602 second gear, 603 cover shell. DETAILED DESCRIPTION

[0028] Reference Figure 1-7 An improved tunnel drying room for food processing comprises a room body 1 fixedly connected to the upper end of a base, a plurality of support columns fixedly connected to the lower end of the base, a drying and dehumidifying mechanism 2 for drying and dehumidifying materials is arranged in the room body 1, the drying and dehumidifying mechanism 2 comprises a U-shaped plate 201 sealed and fixedly connected to the top of the room body 1, a heating pipe 202 is fixedly connected to the top of the room body 1 through a bracket, a plurality of fans 203 are installed under the inner walls on both sides of the room body 1, and the side walls on both sides of the room body 1 are fixedly connected to the plurality of fans 203. A fixed frame 204 is matched with a fan 203, and the side walls on both sides of the room body 1 are fixedly connected with dehumidification cylinders 206. The top of the fixed frame 204 is connected with the bottom of the dehumidification cylinder 206 through multiple air inlet pipes 207, and the top of the dehumidification cylinder 206 is connected with the inner wall of the room body 1 through multiple air outlet pipes 208. Multiple air outlet holes 205 are evenly distributed on the side walls of the U-shaped plate 201. The inner wall of the dehumidification cylinder 206 is sealed and rotatably connected with a cross bar 209, and the side walls of the cross bar 209 are fixedly connected with multiple stirring rods 210.

[0029] The heating tube 202 is located in the U-shaped plate 201 , the outlet pipe 208 is located above the heating tube 202 away from the dehumidification tube 206 , the air outlet 205 is in a cone shape that is wide at the top and narrow at the bottom, and a desiccant is provided in the dehumidification tube 206 .

[0030] Furthermore, when drying food and other materials, the multiple fans 203 are driven to rotate, and the fans 203 rotate so that the gas flow direction in the room body 1 is U-shaped plate 201-fan 203-inlet pipe 207-dehumidification cylinder 206 and outlet pipe 208, so that the hot air generated by the heating pipe 202 can continuously flow in the room body 1, thereby accelerating the drying efficiency of food and other materials, and because the air outlet 205 is in a cone shape with a wide top and a narrow bottom, the hot air flows out of the U-shaped plate 201 at a faster speed, thereby accelerating the turbulence of the air flow in the room body 1, thereby further accelerating the drying efficiency of food and other materials;

[0031] When the gas after drying food and other materials enters the dehumidification cylinder 206 through the air inlet pipe 207, the desiccant in the dehumidification cylinder 206 can absorb the water vapor in the gas, thereby preventing the water vapor from always flowing in the room body 1. At the same time, the rotation of the cross bar 209 drives the multiple stirring rods 210 to rotate, thereby increasing the contact area between the desiccant and the hot air, thereby accelerating the absorption of water vapor, and then the drying efficiency of food and other materials can be accelerated again.

[0032] A conveying mechanism 3 for conveying materials is provided in the room body 1. The conveying mechanism 3 includes a first conveying roller 301 and a second conveying roller 302 which are rotatably connected to the inner wall of the room body 1 through a rotating shaft. A mesh belt 303 is connected between the first conveying roller 301 and the second conveying roller 302. A servo motor 304 for driving the first conveying roller 301 to rotate is fixedly connected to the side wall of the room body 1.

[0033] A feed plate 101 is fixedly connected to the side wall of the room body 1 near the second conveying roller 302, a protective plate 102 is fixedly connected to the bottom of the room body 1 near the first conveying roller 301, and a discharge plate 103 is rotatably connected to the top of the room body 1 near the first conveying roller 301. The side wall of the discharge plate 103 is elastically connected to the side wall of the U-shaped plate 201 through a plurality of springs 104, and the upper end of the protective plate 102 and the lower end of the discharge plate 103 are in an inclined fit.

[0034] It should be noted that the side wall of the feed plate 101 is in contact with the side wall of the mesh belt 303, the side wall of the protective plate 102 is in contact with the side wall of the mesh belt 303, and in the initial state, under the elastic force of multiple springs 104, the lower end of the discharge plate 103 is in contact with the upper end of the protective plate 102, thereby preventing the outside cold air from entering the room body 1, thereby preventing condensation of water in the room body 1.

[0035] Furthermore, when food and other materials are transported to the discharge plate 103 on the mesh belt 303, as the mesh belt 303 continues to move, the food and other materials will squeeze the discharge plate 103, so that the squeezing force of the food and other materials on the discharge plate 103 overcomes the elastic force of the spring 104, and then the discharge plate 103 opens, allowing the food and other materials to flow out.

[0036] The second conveying roller 302 is provided with a driving mechanism 4 for driving the cross bar 209 to rotate. The driving mechanism 4 includes two turntables 401 coaxially fixedly connected to the second conveying roller 302. The two turntables 401 are located on both sides of the second conveying roller 302. Two fixed plates 402 are fixedly connected to the side walls of the room body 1. The side walls of the fixed plates 402 are slidably connected with sliding rods 403. The lower end of the sliding rod 403 is fixedly connected with a first tooth plate 404. One end of the cross bar 209 is fixedly connected with a first gear 405 meshing with the first tooth plate 404. The side wall of the turntable 401 away from the axis is rotatably connected to the lower end of the first tooth plate 404 through a driving rod 406.

[0037] Furthermore, the rotation of the second conveying roller 302 drives the turntable 401 to rotate, and then the turntable 401 drives the first tooth plate 404 to move up and down through the driving rod 406, thereby driving the first gear 405 to continuously rotate forward and reverse, and then driving the multiple stirring rods 210 to continuously rotate forward and reverse, so that the desiccant in the dehumidification cylinder 206 can fully contact with the hot air, thereby accelerating the desiccant efficiency.

[0038] A turning mechanism 5 for turning over the material is provided in the room body 1. The turning mechanism 5 includes grooves 501 opened on the inner walls on both sides of the room body 1. The two grooves 501 located on the inner wall of the room body 1 are horizontally staggered. A lead screw 502 is rotatably connected to the inner wall of the groove 501. A slider 503 is threadedly connected to the side wall of the lead screw 502. A cross plate 504 is fixedly connected to the side wall of the slider 503. A plurality of scraper rods 505 are fixedly connected to the lower end of the cross plate 504.

[0039] The first tooth plate 404 is provided with a transmission mechanism 6 for driving the lead screw 502 to rotate. The transmission mechanism 6 includes a second tooth plate 601 fixedly connected to the side wall of the first tooth plate 404. Two frame openings are provided on the inner wall of the room body 1. One end of the lead screw 502 passes through the side wall of the room body 1 and extends into the frame opening. One end of the lead screw 502 located in the frame opening is fixedly connected to a second gear 602 meshing with the second tooth plate 601.

[0040] Furthermore, the up and down movement of the first tooth plate 404 drives the second tooth plate 601 to move up and down, thereby driving the second gear 602 meshing with the second tooth plate 601 to continuously rotate forward and reverse, thereby driving the lead screw 502 to continuously rotate forward and reverse, and then the two sliders 503 drive the two cross plates 504 to move back and forth, so that the multiple scraper rods 505 can continuously turn over the food and other materials on the mesh belt 303, so that the food and other materials are evenly heated on the top and bottom, thereby reducing the drying time of the food and other materials.

[0041] Furthermore, the number of teeth on the surface of the second gear 602 is relatively small, so that the second gear 602 rotates more times in one cycle of the second tooth plate 601 moving up and down, thereby increasing the flipping effect of the scraper 505 on materials such as food.

[0042] A cover shell 603 matching the frame opening is fixedly connected to the inner wall of the room body 1 to prevent the hot air in the room body 1 from flowing out through the frame opening.

[0043] In the present invention, the heating tube 202 is powered on for heating, and then the multiple fans 203 are driven to rotate, so that the air flow direction in the room body 1 is U-shaped plate 201-fan 203-inlet pipe 207-dehumidification cylinder 206 and outlet pipe 208, so that the temperature in the room body 1 can be increased;

[0044] The servo motor 304 is driven to rotate, thereby driving the first conveying roller 301 coaxially fixedly connected to the servo motor 304 to rotate, and then the first conveying roller 301 drives the second conveying roller 302 to rotate through the mesh belt 303, so that the mesh belt 303 moves continuously, and then the food and other materials are added to the mesh belt 303 through the feed plate 101, and then the food and other materials are conveyed and dried, and under the action of multiple fans 203, the hot air is continuously circulated in the room body 1, thereby accelerating the drying efficiency of the food and other materials, and because the air outlet 205 is in a cone shape with a wide top and a narrow bottom, the hot air flows out of the U-shaped plate 201 faster, thereby accelerating the turbulence of the air flow in the room body 1, thereby further accelerating the drying efficiency of the food and other materials;

[0045] At the same time, the rotation of the second conveying roller 302 drives the turntable 401 coaxially connected thereto to rotate, and then the turntable 401 drives the first tooth plate 404 to move up and down through the driving rod 406, driving the first gear 405 meshing with the first tooth plate 404 to continuously rotate forward and reverse, and then the cross bar 209 drives the multiple stirring rods 210 to continuously rotate forward and reverse, thereby stirring the desiccant in the dehumidification cylinder 206, and then when the gas after drying the food and other materials enters the dehumidification cylinder 206 through the air inlet pipe 207, the desiccant can fully contact with the hot air at this time, thereby accelerating the moisture absorption efficiency and ensuring the drying efficiency of the food and other materials;

[0046] When the first tooth plate 404 moves up and down, it drives the second tooth plate 601 to move up and down, and then drives the second gear 602 meshing with the second tooth plate 601 to rotate forward and reverse continuously, and then drives the lead screw 502 to rotate forward and reverse continuously, and then the two sliders 503 drive the two cross plates 504 to move back and forth, so that the multiple scrapers 505 can continuously turn over the food and other materials on the mesh belt 303, so that the upper and lower surfaces of the food and other materials are evenly heated, thereby reducing the drying time of the food and other materials;

[0047] When food and other materials are dried by the mesh belt 303 and then transported to the discharge plate 103, as the mesh belt 303 continues to move, the food and other materials will squeeze the discharge plate 103, so that the squeezing force of the food and other materials on the discharge plate 103 overcomes the elastic force of the spring 104, and then the discharge plate 103 opens, allowing the food and other materials to automatically flow out.

Claims

1. An improved tunnel drying room for food processing, comprising a room body (1) fixedly connected to the upper end of a base, characterized in that: The room body (1) is provided with a drying and dehumidifying mechanism (2) for drying and dehumidifying materials, the drying and dehumidifying mechanism (2) comprising a U-shaped plate (201) sealed and fixedly connected to the top of the room body (1), a heating pipe (202) is fixedly connected to the top of the room body (1) via a bracket, a plurality of fans (203) are installed below the inner walls on both sides of the room body (1), and a fixing frame (204) cooperating with the plurality of fans (203) is fixedly connected to the side walls on both sides of the room body (1), and the side walls on both sides of the room body (1) are A dehumidification cylinder (206) is fixedly connected to the fixed frame (204); the top of the fixed frame (204) is connected to the bottom of the dehumidification cylinder (206) via a plurality of air inlet pipes (207); the top of the dehumidification cylinder (206) is connected to the inner wall of the room body (1) via a plurality of air outlet pipes (208); a plurality of air outlet holes (205) are evenly distributed on the side wall of the U-shaped plate (201); the inner wall of the dehumidification cylinder (206) is sealed and rotatably connected to a cross bar (209); and a plurality of stirring rods (210) are fixedly connected to the side wall of the cross bar (209); The heating pipe (202) is located in the U-shaped plate (201); the outlet of the air outlet pipe (208) away from the dehumidification cylinder (206) is located above the heating pipe (202); the air outlet hole (205) is in a conical shape with a wide top and a narrow bottom; and a desiccant is provided in the dehumidification cylinder (206); A conveying mechanism (3) for conveying materials is provided in the housing (1), the conveying mechanism (3) comprising a first conveying roller (301) and a second conveying roller (302) rotatably connected to the inner wall of the housing (1) via a rotating shaft, a mesh belt (303) being connected between the first conveying roller (301) and the second conveying roller (302), and a servo motor (304) for driving the first conveying roller (301) to rotate is fixedly connected to the side wall of the housing (1); A feed plate (101) is fixedly connected to the side wall of the housing (1) near the second conveying roller (302), a protective plate (102) is fixedly connected to the bottom of the housing (1) near the first conveying roller (301), and a discharge plate (103) is rotatably connected to the top of the housing (1) near the first conveying roller (301), the side wall of the discharge plate (103) is elastically connected to the side wall of the U-shaped plate (201) via a plurality of springs (104), and the upper end of the protective plate (102) and the lower end of the discharge plate (103) are in an inclined fit; The second conveying roller (302) is provided with a driving mechanism (4) for driving the cross bar (209) to rotate, the driving mechanism (4) comprising two rotating discs (401) coaxially fixedly connected to the second conveying roller (302), the two rotating discs (401) being located on both sides of the second conveying roller (302), the side wall of the housing (1) being fixedly connected to two fixed plates (402), the side wall of the fixed plate (402) being slidably connected to a sliding rod (403), the lower end of the sliding rod (403) being fixedly connected to a first tooth plate (404), one end of the cross bar (209) being fixedly connected to a first gear (405) meshing with the first tooth plate (404), the side wall of the rotating disc (401) away from the axis being rotatably connected to the lower end of the first tooth plate (404) via a driving rod (406); The housing (1) is provided with a turning mechanism (5) for turning over the material, the turning mechanism (5) comprising grooves (501) provided on the inner walls of both sides of the housing (1), the inner walls of the grooves (501) being rotatably connected to a lead screw (502), the side walls of the lead screw (502) being threadedly connected to a slider (503), the side walls of the slider (503) being fixedly connected to a transverse plate (504), and the lower end of the transverse plate (504) being fixedly connected to a plurality of scraper rods (505); The first tooth plate (404) is provided with a transmission mechanism (6) for driving the lead screw (502) to rotate, the transmission mechanism (6) comprising a second tooth plate (601) fixedly connected to the side wall of the first tooth plate (404), the inner wall of the housing body (1) is provided with two frame openings, one end of the lead screw (502) penetrates the side wall of the housing body (1) and extends into the frame openings, and one end of the lead screw (502) located in the frame opening is fixedly connected to a second gear (602) meshing with the second tooth plate (601); The two grooves (501) located on the inner wall of the housing (1) are horizontally staggered, and a cover shell (603) matching the frame opening is fixedly connected to the inner wall of the housing (1).

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