Layered mesh belt dryer

Abstract

The invention relates to the technical field of dryers, in particular to a layered mesh belt dryer which comprises a drying box, a heat supply assembly and a dehumidification assembly, a conveying mesh belt is arranged in the drying box, the conveying mesh belt comprises a plurality of layers of drying mesh belts arranged in the drying box in a staggered mode, and materials on the mesh belt on the upper layer can fall on the mesh belt on the lower layer; according to the drying machine, through the arrangement of the conveying net belt, the retention time of the materials in the drying box is prolonged, meanwhile, due to the fact that the multiple layers are arranged in the drying box, the occupied area of the drying machine is not increased, and through the arrangement of the drying assembly and the moisture removal assembly, the drying efficiency is improved. According to the drying device, heat is independently supplied to all layers of drying net belts in the drying assembly, moisture can be discharged through the moisture discharging assembly, the drying efficiency is improved, materials are turned over through the material turning assembly, and the drying efficiency and uniformity are further improved.

Description

Technical Field

[0001] The invention relates to the technical field of drying machines, in particular to a layered mesh belt drying machine. Background Art

[0002] As an indispensable and important equipment in modern industrial production, mesh belt dryer is widely used in many industries such as food, chemical, pharmaceutical and light industry due to its high efficiency, continuous and uniform drying performance. Its basic principle is to use hot air to evaporate moisture on the surface of the material, and through the continuous mesh belt conveyor system, the material maintains a good heat exchange effect during the drying process.

[0003] An electric heating mesh belt dryer provided by publication number CN212538671U includes a furnace body, which includes a horizontally distributed mesh belt running part and an electric heating part, a partition plate is arranged between the mesh belt running part and the electric heating part, and an air duct for hot air to pass through is opened at the bottom of the partition plate; a circulating fan is arranged on the top of the mesh belt running part, the outlet end of the circulating fan is connected to the top end of the electric heating part, and the top of the mesh belt running part is connected to the inlet end of the circulating fan; an electric heating pipe is arranged in the electric heating part.

[0004] However, when the above-mentioned electric heating mesh belt dryer is in use, the material is placed on the conveyor mesh belt, and the conveyor mesh belt is driven by a motor to pass through the furnace body for drying. Only one conveyor mesh belt is set in the dryer. In order to ensure the drying efficiency, the length of the dryer needs to be increased to increase the residence time and quantity of the material in the dryer, which will make the dryer occupy too much area. Summary of the invention

[0005] The object of the present invention is to provide a layered mesh belt drying machine to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A layered mesh belt drying machine, comprising:

[0008] A drying box, wherein a conveyor mesh belt is arranged in the drying box, and the conveyor mesh belt comprises a plurality of layers of drying mesh belts staggered in the drying box, so that the material on the drying mesh belt of the upper layer can fall onto the drying mesh belt of the lower layer;

[0009] A feeding assembly, which is arranged on the drying box and is used to feed the material put into the feeding assembly onto the conveyor belt;

[0010] A heating component, the heating component is used to blow hot air to each layer of the drying mesh belt to dry the material on the drying mesh belt;

[0011] A dehumidification component, which is arranged on the top of the drying box and is used to discharge moisture from the dried material out of the drying box;

[0012] A discharging assembly is used to discharge the dried material out of the drying box.

[0013] Preferably, the drying box includes a nose frame, a nose inspection door arranged on the nose frame, a fuselage frame connected to the nose frame, a fuselage inspection door arranged on the fuselage frame, a tail frame connected to the fuselage frame, a tail inspection door arranged on the tail frame, and a plurality of frame connectors arranged in the nose frame, the fuselage frame and the tail frame, and the nose inspection door, the fuselage inspection door and the tail inspection door are provided with insulating rock wool boards.

[0014] Preferably, the nose inspection door, the fuselage inspection door and the tail inspection door can be removed from the corresponding frames to inspect the inside of the frames.

[0015] Preferably, the conveyor mesh belt also includes a transmission rod respectively inserted on the head frame and the tail frame, a transmission sprocket arranged on the transmission rod, a transmission chain arranged on the transmission sprocket, a chain pull rod connected to the transmission chain at both ends, and a transmission motor connected to the transmission rod, and the drying mesh belt is sleeved on the chain pull rod.

[0016] Preferably, the feeding assembly includes a feeding rack arranged on the head frame, a feeding hopper arranged on the feeding rack, a material leveling impeller arranged on the feeding hopper, a lower sealing plate arranged on the feeding rack, an upper cover plate arranged on the feeding rack and located above the lower sealing plate, a feeding mesh belt arranged in the feeding rack, and a guide rail arranged under the feeding mesh belt, the feeding mesh belt is used to deliver the material placed in the feeding hopper to the drying mesh belt, and the rotating material leveling impeller spreads the material flat on the feeding mesh belt.

[0017] Preferably, the heating component includes a hot air furnace, a hot air horizontal duct arranged on the hot air furnace, a hot air vertical duct arranged on the hot air horizontal duct, an air supply fan arranged on the hot air vertical duct, a uniform heat air box arranged on the air supply fan, and an air distribution duct arranged on the uniform heat air box. The air supply fan is used to extract the hot air generated by the hot air furnace and send it into the air distribution duct through the uniform heat air box, so that the air distribution duct dries the material on the drying mesh belt above.

[0018] Preferably, the dehumidification component includes a top cover arranged on the head frame, the fuselage frame and the tail frame, an air outlet pipe arranged on the top cover, and a dehumidification fan arranged in the air outlet pipe, and the dehumidification fan is used to discharge moisture generated when drying materials.

[0019] Preferably, the discharging assembly includes a discharging box arranged on the tail frame and a discharging door arranged on the discharging box, and the discharging door is opened to allow the drying mesh belt to discharge the material.

[0020] Preferably, the fuselage frame also includes a material turning assembly, which includes a mounting rail arranged on the fuselage frame, a movable groove and a fixed hole provided on the mounting rail, the movable convex rod inserted in the movable groove, a movable wheel provided on the movable convex rod, a fixed block provided on the movable convex rod, a fixed telescopic rod provided on the fixed block, a material turning box provided on the movable convex rod, a pushing telescopic rod provided in the material turning box, a fixing ring provided on the pushing telescopic rod, a positioning plate provided on the fixing ring, a material turning motor provided on the positioning plate, a material turning spindle provided in the fixing ring, a material turning groove provided on the material turning spindle, an outer rod sleeved on the material turning spindle, a rotating ring provided on the outer rod, a material turning inlet and a material turning outlet provided on the outer rod, a material guide plate provided at the material turning inlet, a connecting rod provided on the outer rod and connected to the positioning plate, and an air outlet provided on the material turning box.

[0021] Preferably, the moving wheel is used to drive the tipping box to move along the moving groove, the fixed telescopic rod is used to extend and insert into the fixed hole to fix the position of the tipping box, the pushing telescopic rod is used to drive the outer rod to move, so that the rotating ring fits the drying mesh belt, adjusts the tension of the drying mesh belt, and makes the end of the guide plate fit the drying mesh belt, so that the drying mesh belt sends the material to the guide plate, and the guide plate sends the material into the tipping groove, and the tipping motor is used to drive the tipping spindle to rotate, so that the flipped material falls from the tipping outlet onto the drying mesh belt.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention comprises a drying box, a heating component and a dehumidifying component. A conveyor mesh belt is arranged in the drying box. The conveyor mesh belt comprises several layers of drying mesh belts staggered in the drying box so that materials on the upper mesh belt can fall on the lower mesh belt. The heating component is used to blow hot air into each layer of mesh belts to dry the materials on the mesh belts. The present invention increases the residence time of the materials in the drying box by arranging the conveyor mesh belt. At the same time, because the drying box has multiple layers, the floor space of the dryer will not be increased. By arranging the drying component and the dehumidifying component, each layer of the drying mesh belt is heated separately in the drying component, and the dehumidifying component can discharge moisture, thereby improving the drying efficiency. By arranging the material turning component, the material turning component can turn the material over, thereby further improving the drying efficiency and uniformity. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a front cross-sectional view of the first embodiment of the present invention;

[0026] Figure 3 It is a structural schematic diagram of a drying box of the present invention;

[0027] Figure 4 This is a schematic structural diagram of a conveyor belt according to Embodiment 1 of the present invention;

[0028] Figure 5 It is a structural schematic diagram of the heating component of the present invention;

[0029] Figure 6 It is a schematic structural diagram of the transmission chain and the chain pull rod of the present invention;

[0030] Figure 7 It is a structural schematic diagram of the feeding assembly of the present invention;

[0031] Figure 8 It is a schematic diagram of the top view structure of the present invention;

[0032] Fig. 9 This is a structural schematic diagram of a material turning assembly according to a second embodiment of the present invention;

[0033] Fig.10 This is a bottom view of the structure of the turning assembly according to the second embodiment of the present invention;

[0034] Fig.11 It is a side cross-sectional structural schematic diagram of the material turning assembly according to the second embodiment of the present invention;

[0035] Fig.12 This is a positional relationship diagram of the material turning assembly and the drying mesh belt in the second embodiment of the present invention.

[0036] In the figure: 1. Head frame; 2. Head inspection door; 3. Body frame; 4. Body inspection door; 5. Tail frame; 6. Tail inspection door; 7. Frame connector; 8. Insulation rock wool board; 9. Transmission rod; 10. Transmission sprocket; 11. Transmission chain; 12. Chain pull rod; 13. Drying mesh belt; 14. Transmission motor; 15. Loading rack; 16. Feeding hopper; 17. Material leveling impeller; 18. Lower sealing plate; 19. Upper cover plate; 20. Loading mesh belt; 21. Guide rail; 22. Hot air furnace; 23. Hot air horizontal duct; 24. Hot air vertical duct; 25. Air supply fan; 26. Hot air leveling box; 27, air distribution duct; 28, top cover; 29, air outlet duct; 30, dehumidification fan; 31, discharge box; 32, discharge door; 33, movable slot; 34, fixing hole; 35, movable protruding rod; 36, movable wheel; 37, fixing block; 38, fixed telescopic rod; 39, tipping box; 40, push telescopic rod; 41, fixing ring; 42, positioning plate; 43, tipping motor; 44, tipping spindle; 45, tipping trough; 46, outer rod; 47, rotating ring; 48, tipping inlet; 49, tipping outlet; 50, guide plate; 51, connecting rod; 52, air outlet; 53, mounting rail. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figures 1 to 12 , the present invention provides a technical solution:

[0039] Embodiment 1: A layered mesh belt drying machine, comprising:

[0040] The drying box includes a head frame 1, a head inspection door 2, a fuselage frame 3, a fuselage inspection door 4, a tail frame 5, a tail inspection door 6, a frame connector 7, and a thermal insulation rock wool board 8. The head inspection door 2 is arranged on the head frame 1, and the head inspection door 2 is fixedly connected to the head frame 1 by setting bolts or the like. The head inspection door 2 can be removed by removing the bolts, and the parts in the head frame 1 can be inspected. The fuselage inspection door 4 is arranged on the fuselage frame 3, and the fuselage inspection door 4 is fixedly connected to the fuselage frame 3 by setting bolts or the like. The fuselage inspection door 4 can be removed by removing the bolts, and the parts in the fuselage frame 3 can be inspected. The parts can be inspected and repaired, the tail inspection door 6 is arranged on the tail frame 5, and the tail inspection door 6 is fixedly connected to the tail frame 5 by setting bolts or the like. The tail inspection door 6 can be removed by removing the bolts, and the parts in the tail frame 5 can be inspected and repaired. The frame connecting member 7 is arranged in the head frame 1, the fuselage frame 3 and the tail frame 5. There are several frame connecting members 7, and the specific number can be reasonably selected according to the actual usage. The head inspection door 2, the fuselage inspection door 4 and the tail inspection door 6 are provided with insulation rock wool boards 8, and the insulation rock wool boards 8 are fixedly connected to the insulation rock wool boards 8 by setting screws and pressure strips or the like.

[0041] A conveyor mesh belt is arranged in the drying box. The conveyor mesh belt has five layers in the drying box. The conveyor mesh belt includes a drying mesh belt 13, a transmission rod 9, a transmission sprocket 10, a transmission chain 11, a chain pull rod 12, and a transmission motor 14. The transmission rod 9 is inserted on the head frame 1 and the tail frame 5. The transmission rod 9 is rotatably connected with the head frame 1 or the tail frame 5 by setting bearings, etc. The transmission sprocket 10 is arranged on the transmission rod 9, and each transmission rod 9 is provided with two transmission sprockets 10. The transmission sprocket 10 is provided by interference fit and setting The transmission chain 11 is fixedly connected by means of a flat key, etc., and the transmission chain 11 is arranged on the transmission sprocket 10, so that one end of the transmission chain 11 is located in the head frame 1, and the other end of the transmission chain 11 is located in the tail frame 5, and both ends of the chain pull rod 12 are connected to the transmission chain 11, and the chain pull rod 12 is fixedly connected to the transmission chain 11 at both ends by means of setting bolts, etc., and the transmission motor 14 is arranged on the tail frame 5, and the transmission motor 14 is fixedly connected to the tail frame 5 by means of setting bolts, etc., and the drying mesh belt 13 is sleeved on the chain pull rod 12.

[0042] The feeding assembly is arranged on the drying box and is used to feed the material put into the feeding assembly onto the conveyor mesh belt. The feeding assembly includes a feeding rack 15, a feeding hopper 16, a material leveling impeller 17, a lower sealing plate 18, an upper cover plate 19, a feeding mesh belt 20, and a guide rail 21. The feeding rack 15 is arranged on the head frame 1, and one end of the feeding rack 15 is fixedly connected to the head frame 1 by setting bolts or the like. The feeding rack 15 is arranged obliquely, and the other end of the feeding rack 15 is arranged on the ground. The feeding hopper 16 The material hopper 16 is fixedly connected to the material hopper 15 by means of bolts, etc., a material scrambling impeller 17 is arranged on the material hopper 16, and the material scrambling impeller 17 is rotatably connected to the material hopper 16 by means of bearings, etc., a lower sealing plate 18 is arranged on the bottom wall of the material hopper 15, and the lower sealing plate 18 is fixedly connected to the material hopper 15 by means of bolts, etc., an upper cover plate 19 is arranged on the material hopper 15 and is located above the lower sealing plate 18, and the upper cover plate 19 is arranged The feeding mesh belt 20 is fixedly connected to the feeding frame 15 by means of bolts, etc. The feeding mesh belt 20 is arranged in the feeding frame 15, between the upper cover plate 19 and the lower sealing plate 18. The feeding mesh belt 20 is also connected to the feeding frame 15 by means of a transmission rod 9, a transmission chain 11 and a chain pull rod 12. The feeding mesh belt 20 and the uppermost drying mesh belt 13 are the same mesh belt, driven by the same transmission motor 14, and the material leveling impeller 17 is also connected to the transmission rod 9 of the feeding mesh belt 20 by means of a chain drive, thereby driving the leveling impeller 17 to drive ... The material impeller 17 rotates, and the guide rail 21 is set below the feeding mesh belt 20. The guide rail 21 is fixedly connected to the feeding frame 15 by setting bolts or the like. The chain pull rod 12 of the feeding mesh belt 20 is laid on the guide rail 21, so that the chain pull rod 12 of the feeding mesh belt 20 is slidably connected with the guide rail 21, thereby improving the load capacity of the feeding mesh belt 20. The feeding mesh belt 20 is used to send the material put into the feed hopper 16 to the drying mesh belt 13, and the rotating material leveling impeller 17 spreads the material flat on the feeding mesh belt 20.

[0043] The heating component includes a hot air furnace 22, a hot air horizontal duct 23, a hot air vertical duct 24, an air supply fan 25, a uniform hot air box 26 and an air distribution pipe 27. The hot air horizontal duct 23 is fixedly connected to the air outlet of the hot air furnace 22 by setting bolts and sealing gaskets, etc. The hot air vertical duct 24 is arranged on the hot air horizontal duct 23. The hot air vertical duct 24 is fixedly connected to the bottom wall of the hot air furnace 22 by setting bolts and sealing gaskets, etc. The hot air vertical duct 24 is provided with a plurality of roots, which can be reasonably arranged according to the length of the drying box. The air supply fan 25 is arranged on the hot air vertical duct 24. The air supply fan 25 is connected to the hot air uniformly by setting bolts and sealing gaskets, etc. The vertical pipe 24 is fixedly connected, the uniform heat air box 26 is arranged on the air supply fan 25, and the uniform heat air box 26 is fixedly connected to the air supply fan 25 by means of bolts and sealing gaskets, etc., the branch air duct 27 is arranged on the uniform heat air box 26, and the branch air duct 27 is fixedly connected to the uniform heat air box 26 by means of bolts and sealing gaskets, etc., the branch air duct 27 is provided with a plurality of branches, so that the branch air duct 27 is inserted into the drying box, and the branch air duct 27 is located below the drying mesh belt 13, the air supply fan 25 is used to extract the hot air generated by the hot air furnace 22, and send it into the branch air duct 27 through the uniform heat air box 26, so that the branch air duct 27 dries the material on the drying mesh belt 13 above.

[0044] A dehumidification component is arranged on the top of the drying box, and is used to discharge moisture after drying the material out of the drying box. The dehumidification component includes a top cover 28, an air outlet pipe 29 and a dehumidification fan 30. The top cover 28 is arranged on the head frame 1, the fuselage frame 3 and the tail frame 5. The top cover 28 is connected to the top of the head frame 1, the fuselage frame 3 and the tail frame 5 by setting bolts or the like. The air outlet pipe 29 is arranged on the top cover 28, and the air outlet pipe 29 is fixedly connected to the top cover 28 by welding or the like. The dehumidification fan 30 is arranged in the air outlet pipe 29, and the dehumidification fan 30 is fixedly connected to the air outlet pipe 29 by setting bolts or the like. The dehumidification fan 30 is used to discharge moisture generated in the drying box when drying materials.

[0045] The discharge assembly is used to discharge the dried material out of the drying box. The discharge assembly includes a discharge box 31 and a discharge door 32. The discharge box 31 is arranged at the bottom of the side wall of the tail frame 5. The discharge box 31 is fixedly connected to the tail frame 5 by means of bolts or the like. The discharge door 32 is arranged on the discharge box 31. The discharge box 31 is rotatably connected to the discharge box 31 by means of a rotating shaft or the like. The bottom drying mesh belt 13 extends into the discharge box 31, so that when the discharge door 32 is opened, the drying mesh belt 13 discharges the material from the discharge door 32.

[0046] Embodiment 2: The only difference between Embodiment 2 and Embodiment 1 is that the fuselage frame 3 also includes a material turning assembly, which includes a mounting rail 53, a movable groove 33, a fixing hole 34, a movable protruding rod 35, a movable wheel 36, a fixing block 37, a fixed telescopic rod 38, a material turning box 39, a pushing telescopic rod 40, a fixing ring 41, a positioning plate 42, a material turning motor 43, a material turning spindle 44, a material turning groove 45, an outer sleeve rod 46, a rotating ring 47, a material turning inlet 48, a material turning outlet 49, a material guide plate 50, a connecting rod 51 and an air outlet 52. The mounting rail 53 is arranged on the fuselage frame 3, and the mounting rail 53 is fixedly connected to the fuselage frame 3 by means of bolts, etc. The movable groove 33 and the fixing hole 34 are provided on the mounting rail 53, and the movable protruding rod 35 is inserted in the movable groove 33. The movable protruding rod 35 is T-shaped, so that the top is erected on the mounting rail 53. The movable protrusion 35 is mounted on the mounting rail 53, the movable wheel 36 is arranged on the movable protrusion 35, the movable wheel 36 is rotatably connected by setting a rotating shaft, etc., the movable wheel 36 is mounted on the top of the mounting rail 53, and the movable protrusion 35 can move along the movable groove 33 through the setting of the movable wheel 36, the fixed block 37 is arranged on the movable protrusion 35, the fixed block 37 is fixedly connected to the movable protrusion 35 by welding, etc., the fixed telescopic rod 38 is arranged on the fixed block 37, the fixed telescopic rod 38 is fixedly connected to the fixed block 37 by setting bolts, etc., the tipping box 39 is arranged on the movable protrusion 35, the tipping box 39 is fixedly connected to the movable protrusion 35 by welding, etc., the push-pull telescopic rod 40 is arranged in the tipping box 39, and the push-pull telescopic rod 40 is fixedly connected to the tipping box 39 by setting bolts, etc.

[0047] A fixing ring 41 is arranged on the pushing telescopic rod 40, and the fixing ring 41 is fixedly connected to the pushing telescopic rod 40 by means of bolts or the like. Two fixing rings 41 are arranged, which are arranged on the pushing telescopic rod 40 on both sides of the material turning box 39 respectively. A positioning plate 42 is arranged on the fixing ring 41, and the positioning plate 42 is fixedly connected to the fixing ring 41 by means of bolts or the like. A material turning motor 43 is arranged on the positioning plate 42, and the material turning motor 43 is fixedly connected to the positioning plate 42 by means of bolts or the like. A material turning spindle 44 is arranged in the fixing ring 41, and the material turning spindle 44 is rotatably connected to the fixing ring 41 by means of bearings or the like. A material turning groove 45 is opened on the material turning spindle 44, and the material turning groove 45 is arranged in a circle along the surface of the material turning spindle 44. An outer sleeve rod 46 is sleeved on the material turning spindle 44, and the outer sleeve rod 46 The turning box 39 is rotatably connected to the material turning spindle 44 by means of bearings, the rotating ring 47 is arranged on the outer sleeve rod 46, the rotating ring 47 is rotatably connected to the outer sleeve rod 46 by means of bearings, the turning inlet 48 and the turning outlet 49 are provided on the rotating ring 47, the guide plate 50 is arranged at the turning inlet 48, the guide plate 50 is fixedly connected to the outer sleeve rod 46 by means of bolts or welding, the guide plate 50 is tilted on the outer sleeve rod 46, and the specific tilt angle can be reasonably selected according to actual use. The connecting rod 51 is arranged on the outer sleeve rod 46 and connected to the positioning plate 42, the connecting rod 51 is fixedly connected to the outer sleeve rod 46 by welding, the other end of the connecting rod 51 is fixedly connected to the positioning plate 42 by welding, and the air outlet 52 is provided on the top wall of the turning box 39.

[0048] The moving wheel 36 is used to drive the tipping box 39 to move along the moving groove 33, the fixed telescopic rod 38 is used to extend and insert into the fixed hole 34 to fix the position of the tipping box 39, and the push-pull telescopic rod 40 is used to drive the outer rod 46 to move, so that the rotating ring 47 fits the drying mesh belt 13, and the tension of the drying mesh belt 13 is adjusted to tighten the drying mesh belt 13. Because each layer of the drying mesh belt 13 is divided into two layers, in order to prevent the upper layer of the drying mesh belt 13 of the same layer from touching the lower layer, a rotating shaft or a rotating shaft can be set on the fixed rod. A rotating shaft is installed in the fuselage frame 3, so that when the outer rod 46 moves down and presses against the upper layer of the drying mesh belt 13, the drying mesh belt 13 is simultaneously pressed by the rotating shaft, and the guide plate 50 moves with the outer rod 46, so that the end of the guide plate 50 fits the drying mesh belt 13, so that the drying mesh belt 13 sends the material to the guide plate 50, and the guide plate 50 sends the material into the turning trough 45, and the turning motor 43 is used to drive the turning spindle 44 to rotate, so that the turned material falls onto the drying mesh belt 13 from the turning outlet 49.

[0049] Working principle: When in use, the material to be dried is poured into the hopper 16, and the feeding mesh belt 20 transports the material into the drying box, so that the material is sent to the drying mesh belt 13, and the material leveling impeller 17 spreads the material on the feeding mesh belt 20, and the material is sent from the upper drying mesh belt 13 to the lower drying mesh belt 13. When the material passes through the guide plate 50, it is sent to the turning trough 45, and after being turned over by the turning spindle 44, it falls on the drying mesh belt 13 from the turning outlet 49 and is then transported downward. The air supply fan 25 is started to extract the hot air generated by the hot air furnace 22, and send it into the branch air duct 27 through the uniform heat air box 26, so that the branch air duct 27 dries the material on the upper drying mesh belt 13, and the dehumidification fan 30 is started to discharge the moisture in the drying box, and the discharge door 32 is opened to discharge the dried material from the discharge door 32.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A layered mesh belt drying machine, characterized in that: include: A drying box, wherein a conveyor mesh belt is arranged in the drying box, and the conveyor mesh belt comprises a plurality of layers of drying mesh belts staggered in the drying box, so that the material on the drying mesh belt of the upper layer can fall onto the drying mesh belt of the lower layer; A feeding assembly, which is arranged on the drying box and is used to feed the material put into the feeding assembly onto the conveyor belt; A heating component, the heating component is used to blow hot air to each layer of the drying mesh belt to dry the material on the drying mesh belt; A dehumidification component, which is arranged on the top of the drying box and is used to discharge moisture from the dried material out of the drying box; A discharging assembly is used to discharge the dried material out of the drying box.

2. A layered mesh belt drying machine according to claim 1, characterized in that: The drying box includes a nose frame, a nose inspection door arranged on the nose frame, a fuselage frame connected to the nose frame, a fuselage inspection door arranged on the fuselage frame, a tail frame connected to the fuselage frame, a tail inspection door arranged on the tail frame, and a plurality of frame connectors arranged in the nose frame, the fuselage frame and the tail frame. The nose inspection door, the fuselage inspection door and the tail inspection door are provided with thermal insulation rock wool boards.

3. A layered mesh belt drying machine according to claim 2, characterized in that: The nose inspection door, the fuselage inspection door and the tail inspection door can be removed from the corresponding frames to inspect the inside of the frames.

4. A layered mesh belt drying machine according to claim 3, characterized in that: The conveyor mesh belt also includes a transmission rod respectively inserted on the head frame and the tail frame, a transmission sprocket arranged on the transmission rod, a transmission chain arranged on the transmission sprocket, a chain pull rod connected to the transmission chain at both ends, and a transmission motor connected to the transmission rod, and the drying mesh belt is sleeved on the chain pull rod.

5. A layered mesh belt drying machine according to claim 4, characterized in that: The feeding assembly includes a feeding rack arranged on the head frame, a feeding hopper arranged on the feeding rack, a material leveling impeller arranged on the feeding hopper, a lower sealing plate arranged on the feeding rack, an upper cover plate arranged on the feeding rack and located above the lower sealing plate, a feeding mesh belt arranged in the feeding rack, and a guide rail arranged below the feeding mesh belt. The feeding mesh belt is used to deliver the material put into the feeding hopper to the drying mesh belt, and the rotating material leveling impeller spreads the material flat on the feeding mesh belt.

6. A layered mesh belt drying machine according to claim 5, characterized in that: The heating component includes a hot air furnace, a hot air horizontal duct arranged on the hot air furnace, a hot air vertical duct arranged on the hot air horizontal duct, an air supply fan arranged on the hot air vertical duct, a uniform heat air box arranged on the air supply fan, and an air distribution duct arranged on the uniform heat air box. The air supply fan is used to extract the hot air generated by the hot air furnace and send it into the air distribution duct through the uniform heat air box, so that the air distribution duct dries the material on the drying mesh belt above.

7. A layered mesh belt drying machine according to claim 6, characterized in that: The dehumidification component includes a top cover arranged on the head frame, the fuselage frame and the tail frame, an air outlet pipe arranged on the top cover, and a dehumidification fan arranged in the air outlet pipe. The dehumidification fan is used to discharge moisture generated when drying materials.

8. The layered mesh belt drying machine according to claim 7, characterized in that: The discharging assembly comprises a discharging box arranged on the tail frame and a discharging door arranged on the discharging box. The discharging door is opened to allow the drying mesh belt to discharge the material.

9. A layered mesh belt drying machine according to claim 8, characterized in that: The fuselage frame also includes a material turning assembly, which includes a mounting rail arranged on the fuselage frame, a movable groove and a fixed hole provided on the mounting rail, the movable protrusion inserted in the movable groove, a movable wheel provided on the movable protrusion, a fixed block provided on the movable protrusion, a fixed telescopic rod provided on the fixed block, a material turning box provided on the movable protrusion, a pushing telescopic rod provided in the material turning box, a fixing ring provided on the pushing telescopic rod, a positioning plate provided on the fixing ring, a material turning motor provided on the positioning plate, a material turning spindle provided in the fixing ring, a material turning groove provided on the material turning spindle, an outer rod sleeved on the material turning spindle, a rotating ring provided on the outer rod, a material turning inlet and a material turning outlet provided on the outer rod, a material guide plate provided at the material turning inlet, a connecting rod provided on the outer rod and connected to the positioning plate, and an air outlet provided on the material turning box.

10. The layered mesh belt drying machine according to claim 9, characterized in that: The moving wheel is used to drive the tipping box to move along the moving groove, the fixed telescopic rod is used to extend and insert into the fixed hole to fix the position of the tipping box, the pushing telescopic rod is used to drive the outer rod to move, so that the rotating ring fits the drying mesh belt, adjusts the tension of the drying mesh belt, and makes the end of the guide plate fit the drying mesh belt, so that the drying mesh belt sends the material to the guide plate, and the guide plate sends the material into the tipping groove, and the tipping motor is used to drive the tipping spindle to rotate, so that the flipped material falls from the tipping outlet onto the drying mesh belt.

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