Continuous belt type drying equipment

Abstract

The invention discloses continuous belt type drying equipment which comprises a shell, a heating device arranged at the bottom of the shell, a screening assembly arranged at the discharging end of a top-layer conveying component, a conveying assembly arranged in the shell, a first conveying pipe and a second conveying pipe, wherein the first conveying pipe and the second conveying pipe are arranged below the screening assembly. The conveying assembly comprises four conveying parts which are longitudinally arranged at intervals, in the four conveying parts, the conveying part located on the top layer is a top-layer conveying part, the conveying part located on the second layer is a second-layer conveying part, the conveying part located on the third layer is a third-layer conveying part, and the conveying part located on the bottom layer is a bottom-layer conveying part; each conveying part is divided into a feeding end and a discharging end, in every two adjacent conveying parts, the discharging end of one conveying part corresponds to the feeding end of the other conveying part, and the screening assembly is arranged at the discharging end of the conveying part on the top layer so that materials can be divided into multiple levels and conveyed to the corresponding layers, so that excessive drying is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of drying equipment, and in particular to a continuous belt drying equipment. Background Art

[0002] At present, in current industrial production, multi-layer belt drying equipment is widely used in the drying process of various granular materials. This equipment transports the material from one end to the other through continuous belt transmission, and uses hot air or other heat sources to dry the material. The multi-layer design further improves the drying efficiency of the equipment, enabling it to process more materials in a limited space.

[0003] After searching, it was found that a Chinese patent with announcement number CN213599768U disclosed a belt drying equipment, which includes a drying box, a heating component and a multi-layer conveyor belt. The equipment is designed with feeding, pushing, drying, turning and discharging processes. The material enters the drying box through the conveyor belt, is flattened by the pusher plate, and is turned and dried during transportation. The dust and moisture generated during the drying process are respectively processed by the dust filter plate and the dehumidification component to ensure the drying quality of the material; however, although the patent also adopts the design of a multi-layer conveyor belt, it still faces a significant problem when processing the same batch of granular materials: the inconsistency of material size. In the same batch of materials, due to various factors (such as the source of raw materials, processing process, etc.), the size of the material particles often varies. There are big differences in the past. Although the materials are often graded by pre-screening methods such as vibrating screens and drum screens before entering the drying equipment, it is still difficult to completely avoid the problem of mixing of large and small particles due to the limitation of screening accuracy, particle adhesion or secondary mixing during transportation. In addition, the degree of shrinkage of materials of the same size after preliminary drying in the drying equipment will also be different. For smaller material particles, they are more susceptible to the direct impact of hot air during the drying process, which causes small particles to absorb more heat than large particles in the same drying time, making it easier to reach or exceed their ideal degree of drying, resulting in over-drying. Over-drying will not only reduce the quality of the material, but may also have an adverse effect on its subsequent processing and use. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the defects in the prior art and provide a continuous belt drying device, which divides the material into multiple levels and transports them to the corresponding layers respectively by arranging a screening component at the discharge end of the top conveying component to avoid over-drying.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a continuous belt drying device, comprising: A shell, wherein a discharge port and a feed port are respectively provided on the shell; A heating device disposed at the bottom of the housing, the heating device being adapted to pass hot air into the housing from bottom to top; A conveying component is arranged in the shell, the conveying component includes four conveying components arranged at intervals in the longitudinal direction, among the four conveying components, the conveying component located at the top layer is the top conveying component, the conveying component located at the second layer is the second layer conveying component, the conveying component located at the third layer is the third layer conveying component, and the conveying part located at the bottom layer is the bottom conveying component, the conveying component is divided into a feed end and a discharge end, in two adjacent conveying components, the discharge end of one conveying component and the feed end of the other conveying component are arranged correspondingly, the feed end of the top conveying component corresponds to the feed port, and the discharge end of the bottom conveying component corresponds to the discharge port; A screening component disposed on the discharge end of the top conveying component, wherein the screening component is suitable for screening the material passing through the top conveying component; A first conveying pipe and a second conveying pipe are arranged below the screening component, wherein the first conveying pipe is suitable for conveying part of the screened material to the feed end of the third-layer conveying component, and the second conveying pipe is suitable for conveying part of the screened material to the feed end of the bottom-layer conveying component.

[0006] Further, the screening assembly comprises a fixed guide plate, a connecting plate and a fixed bracket connected to the shell, and two ends of the connecting plate are respectively connected to the bottom of the fixed guide plate and the top of the fixed bracket; A first screen is arranged in the fixed guide plate, a second screen is arranged in the fixed bracket, a first material receiving tray and a second material receiving tray are arranged at the bottom of the fixed bracket, the second material receiving tray is located directly below the initial position of the second screen, a vibration mechanism is arranged between the second material receiving tray and the second screen, the vibration mechanism is suitable for vibrating the second screen located at the initial position, a linear moving mechanism is arranged in the fixed bracket, the linear moving mechanism is connected to the second screen so as to drive the second screen to move toward the first material receiving tray; The first conveying pipe is connected to the bottom of the first receiving tray, and the second conveying pipe is connected to the bottom of the second receiving tray; The conveying component includes two transmission rollers, a metal mesh belt and a driving motor; The two transmission rollers are rotatably installed in the outer shell, and a transmission mechanism is provided on the two transmission rollers. The transmission mechanism is connected to the metal mesh belt. The drive motor is installed on the outer shell, and the drive motor is connected to one of the transmission rollers to drive the two transmission rollers to rotate, thereby driving the metal mesh belt to rotate.

[0007] Furthermore, two limit plates are arranged in the fixed guide plate, the end of the first screen away from the top conveying component is horizontally inclined downward, and a receiving plate is arranged at the feeding end of the second conveying component, and the receiving plate is connected to the outer shell. The receiving plate is suitable for blocking materials that fail to pass through the mesh of the first screen, thereby allowing the materials to fall onto the corresponding conveying component.

[0008] Furthermore, the linear motion mechanism includes a slide rail, a slider, a moving plate and a fixed frame; The slide rail is connected to the fixed bracket, the slider is slidably arranged in the slide rail, a first spring is arranged in the slide rail, two ends of the first spring are respectively connected to the slide rail and the slider, the slider is connected to the moving plate, a rotating shaft is arranged between the moving plate and the fixed frame, one end of the fixed frame is connected to the moving plate through the rotating shaft, and the second screen is arranged in the fixed frame; A second spring is arranged in the slider, the bottom of the second spring is connected to the inner wall of the slider, the top of the second spring is connected to a matching block, a sliding groove is provided on the fixed bracket, the matching block is located in the sliding groove, and a plurality of push blocks arranged at intervals are connected to the surface of the metal mesh belt corresponding to the top conveying component, the push block is suitable for contacting with the matching block under the drive of the metal mesh belt, the contacting surfaces of the push block and the matching block are both arranged in an inclined shape, and the push block is suitable for pushing the matching block to move after contacting with the matching block; Two symmetrically arranged fixing blocks are provided at the bottom of the fixing bracket, and the fixing blocks are suitable for supporting the other end of the fixing frame.

[0009] Furthermore, a plurality of third springs are arranged in the fixed frame, and the second screen is connected to the plurality of third springs; The vibration mechanism includes a linkage rod and a plurality of first cams fixedly sleeved on the outside of the linkage rod, the linkage rod is rotatably mounted inside the housing, a synchronous belt is sleeved between the linkage rod and the transmission roller close to the linkage rod in the top conveying component through a synchronous wheel, and the transmission roller is suitable for driving the linkage rod to rotate, thereby driving the first cam to impact the bottom of the second screen; A fixing rod is commonly connected between the two fixing blocks, a fixing plate is fixedly sleeved outside the fixing rod, a baffle plate is movablely sleeved outside the fixing rod, a fourth spring is commonly connected between the baffle plate and the fixing plate, and the fourth spring is sleeved outside the fixing rod.

[0010] Furthermore, a blocking plate is arranged on the fixed guide plate, a longitudinal moving mechanism is arranged in the connecting plate, and the longitudinal moving mechanism is connected to the blocking plate so as to drive the blocking plate to move longitudinally; The longitudinal moving mechanism includes a transmission sleeve, a threaded rod, a gear and a rack. The transmission sleeve is connected to the bottom of the blocking plate, and the transmission sleeve passes through the fixed guide plate to the connecting plate. The threaded rod is rotatably installed in the connecting plate. The transmission sleeve is assembled on the outside of the threaded rod, and the gear fixing sleeve is arranged on the outside of the threaded rod. The rack is connected to one side of the moving plate, and the rack is suitable for following the movement of the moving plate, thereby driving the gear and the threaded rod to rotate, thereby driving the transmission sleeve and the blocking plate to move longitudinally.

[0011] Furthermore, a material distribution component is provided at the feed end of the conveying component, and the material distribution component includes a mounting plate and a material distribution roller, the mounting plate is connected to the housing, and the material distribution roller is connected to the mounting plate; An adjustment plate is provided on the surface of the cloth roller facing the corresponding feed end of the conveying component, an inclined guide surface is provided at the bottom of the adjustment plate, and diversion slopes are provided on both sides of the adjustment plate. The diversion slopes are suitable for diverting materials to both sides, and the inclined guide surfaces are suitable for guiding materials to the bottom of the cloth roller.

[0012] Furthermore, a partition plate is provided on the surface of the material distribution roller opposite to the adjustment plate, and a plurality of spaced partition blocks are provided on the partition plate, and a material guiding inclined surface is provided on a side of the partition block close to the adjustment plate, and the partition blocks are suitable for allowing the materials to be spaced in strips after passing through; A plurality of dispersing mechanisms arranged at intervals are provided between two corresponding transmission rollers in the conveying component, and the dispersing mechanisms are located between the partition plate and the corresponding discharge end of the conveying component; The dispersion mechanism includes a support rod, a sleeve and a fifth spring. The support rod is fixedly connected in the shell, and the sleeve is movably mounted on the outside of the support rod. The outer fixed sleeve of the sleeve is provided with a plurality of second cams arranged at intervals. The fifth spring is mounted on the outside of the support rod, and the two ends of the fifth spring are respectively connected to the shell and the sleeve. The contact position between the second cam and the bottom of the metal mesh belt is an abutting part. When the metal mesh belt moves, the grid of the metal mesh belt contacts the abutting part to cause the second cam to produce an angular offset.

[0013] Furthermore, the air outlet of the heating device extends from the bottom of the shell into the shell, and a diverter plate is provided in the shell, and the diverter plate separates the airflow in the air outlet, and a part of the airflow is blown to the bottom of the bottom conveying component, and the other part of the airflow is blown to the two sides of the bottom conveying component and flows upward; The outer shell is provided with an air distribution pipe corresponding to the cloth roller, and the air distribution pipe is suitable for introducing the air flow blowing to the two sides into the corresponding cloth roller, and the cloth roller is provided with an air outlet hole 1 and an air outlet hole 2, and the air outlet hole 1 passes through the adjustment plate; An inclined plate is arranged on the top of the shell, a water accumulation plate is arranged at the low point of the inclined plate, a liquid outlet pipe is arranged on the shell, one end of the liquid outlet pipe passes through the shell and communicates with the water accumulation plate, and the other end of the liquid outlet pipe is connected to a storage barrel.

[0014] Further, the first conveying pipe and the second conveying pipe are both provided with an auger component, the auger component includes a control motor, an auger shaft and a conveying blade, the control motor is installed on the corresponding conveying pipe, the auger shaft is rotatably installed in the corresponding conveying pipe, the control motor is connected to the auger shaft to drive the auger shaft to rotate, and the conveying blade is fixedly sleeved on the outer peripheral surface of the auger shaft; A material discharge assembly is provided between the discharge end of the second-layer conveying component and the feed end of the third-layer conveying component, and between the discharge end of the third-layer conveying component and the feed end of the bottom-layer conveying component, and the material discharge assembly includes a rotating motor, a rotating shaft and a grid cylinder; The grid cylinder is fixedly connected in the housing, the rotating motor is mounted on the housing, the rotating shaft is rotatably mounted in the grid cylinder, a plurality of blanking plates arranged at intervals are fixedly sleeved on the outer circumference of the rotating shaft, and the rotating motor is connected to the rotating shaft to drive the rotating shaft to rotate in the grid cylinder; The outlets of the first conveying pipe and the second conveying pipe are respectively located above the corresponding grid tubes.

[0015] By adopting the above technical solution, the present invention has the following beneficial effects: Through the arrangement of the first screen and the second screen and other structures, the material passes through the first screen after passing through the top conveying component. The first screen performs the first screening, and the larger material falls directly on the adjacent next conveying component. The remaining material passes through the first screen and falls into the second screen. The second screen performs the second screening through the vibration mechanism. After the second screening, the medium-sized material remains on the second screen, and the smaller material falls into the second receiving tray and is directly sent to the bottom conveying component through the second conveying pipe. The material remaining at the second screen is sent to the first receiving tray through the linear moving mechanism and is sent to the third conveying component through the first conveying pipe. In this way, the material is graded to avoid excessive drying.

[0016] Through the arrangement of structures such as the cloth roller and the inclined guide surface and the diverter slope on the cloth roller, when the material first falls on the metal mesh belt in a certain layer of the conveying component, as the metal mesh belt conveys the material, the material in a stacked state comes into contact with the adjustment plate on the cloth roller, and the diverter slope on the adjustment plate diverts the accumulated material to both sides, so that the material is evenly spread on the metal mesh belt, and then the laid material is guided to the bottom of the cloth roller through the inclined guide surface, and the material passing under the cloth roller can ensure the same height. These two steps make the maximum use of the entire metal mesh belt surface after the accumulated material is laid, while avoiding excessive thickness difference and inability to dry evenly.

[0017] Through the arrangement of structures such as partition plates and dispersion mechanisms, after the material passes through the partition plates, the partition plates will separate the flattened and height-limited materials into strip-like intervals, which is more conducive to the flow of hot air and improves the uniformity of drying. At the same time, in order to avoid the separation interval being too large, which will cause the overall strip-like materials to be too dense and sticky after separation, the second cam in the dispersion mechanism will be driven by the movement of the metal mesh belt, which is in the form of a grid. The concave and convex parts of the grid push the second cam to produce an angular offset, and then the second cam is reset by the fifth spring, which repeatedly causes the second cam to automatically and continuously slightly hit the metal mesh belt to produce vibration. The second cam is set at the interval of the strip-like materials, and the vibration disperses the strip-like materials. The overall dynamic dispersion is carried out through multiple steps of separation and vibration dispersion to solve the problems of accumulation and agglomeration, thereby improving the penetration effect of hot air.

[0018] Through the arrangement of structures such as the diverter plate and the air distribution pipe, the diverter plate divides the hot air from the heating device from bottom to top into two parts. One part runs upward from the bottom conveying component to each layer of conveying component and dries the material on each layer of conveying component. The other part bypasses the bottom conveying component and flows directly to the upper conveying component from both sides of the conveying component to avoid excessive drying of the material on the bottom conveying component. Several streams will be divided into several streams through this part of the air flow and enter the air distribution pipe. The air distribution pipe transports this part of the hot air to the corresponding cloth roller and flows out through the air outlet holes 1 and 2 on the cloth roller. The outflowing airflow generates a slight thrust on the material, assisting the cloth roller to speed up the cloth speed, and introduces the hot air into the inside of the cloth roller to blow directly to the surface of the material during the cloth process, thereby shortening the total drying time.

[0019] Through the arrangement of structures such as the grid tube and the blanking plate, a temporary storage space is formed between adjacent blanking plates. The materials directly transported across layers through the first conveying pipe or the second conveying pipe will enter different storage spaces respectively with the materials sequentially transported in the current layer, and these materials are placed on the corresponding conveying components in batches through the rotation of the blanking plate, so that these different materials are arranged at intervals to avoid mixing of materials in different drying stages, while optimizing the distribution of hot air to avoid local over-drying or insufficient drying. At the same time, the setting of the grid of the grid tube also avoids its own occupation to block the hot air from bottom to top. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ; Figure 3 It is a schematic plan view of the internal structure of the present invention; Figure 4 The internal structure of the housing of the present invention is shown in FIG. Figure 1 ; Figure 5 The internal structure of the housing of the present invention is shown in FIG. Figure 2 ; Figure 6 It is a schematic diagram of the structure of the conveying component of the present invention; Figure 7 It is a schematic diagram of the overall structure of the screening assembly of the present invention; Figure 8 It is a schematic diagram of the internal structure of the fixed guide plate of the present invention; Fig. 9 For the present invention Figure 8 Enlarged view of point A in the middle; Fig.10 This is a schematic diagram of the internal structure of the connecting plate of the present invention; Fig.11 It is a schematic diagram of the internal structure of the fixed frame of the present invention; Fig.12 For the present invention Fig.11 Enlarged view of point B in the middle; Fig.13 For the present invention Fig.11 Enlarged view of point C in the middle; Fig.14 For the present invention Fig.10 Enlarged view of point D in the middle; Fig.15 It is a schematic diagram of the structure of the vibration mechanism of the present invention; Fig.16 It is a schematic diagram of the structure of the auger of the present invention; Fig.17Schematic diagram of the cloth roller structure of the present invention Figure 1 ; Fig.18 Schematic diagram of the cloth roller structure of the present invention Figure 2 ; Fig.19 Schematic diagram of the cloth roller structure of the present invention Figure 3 ; Fig. 20 Schematic diagram of the partition plate structure of the present invention Figure 1 ; Fig.21 Schematic diagram of the partition plate structure of the present invention Figure 2 ; Fig. 22 It is a schematic diagram of the structure of the dispersion mechanism of the present invention; Fig.23 It is a schematic structural diagram of the blanking assembly of the present invention.

[0021] In the figure: 1, housing; 11, discharge port; 12, feed port; 13, heating device; 14, liquid outlet pipe; 15, storage barrel; 16, manifold; 17, gas distribution pipe; 18, tilting plate; 19, water accumulation plate; 2. Conveying assembly; 21. Transmission roller; 22. Transmission mechanism; 23. Metal mesh belt; 24. Driving motor; 3. Screening assembly; 31. Fixed guide plate; 32. Blocking plate; 33. First screen; 34. Limiting plate; 35. Connecting plate; 36. Fixed bracket; 37. Second receiving plate; 38. First receiving plate; 39. Sliding groove; 310. Second screen; 311. Slide rail; 312. First spring; 313. Sliding block; 314. Second spring; 315. Matching block; 316. Moving plate; 317. Rotating shaft; 318. Fixed frame; 319. Third spring; 320. Push block; 321. Transmission sleeve; 322. Threaded rod; 323. Gear; 324. Rack; 325. Baffle plate; 326. Fixed block; 327. Fixed plate; 328. Fixed rod; 329. Fourth spring; 330. Synchronous belt; 331. Linkage rod; 332. First cam; 333. Receiving plate; 4. Second conveying pipe; 5. First conveying pipe; 6. Auger component; 61. Control motor; 62. Auger shaft; 63. Conveying blade; 7. Fabric assembly; 71. Mounting plate; 72. Fabric roller; 73. Adjustment plate; 74. Inclined guide surface; 75. Divider slope; 76. Air outlet 1; 77. Air outlet 2; 78. Separator plate; 79. Separator block; 710. Material guide slope; 8. Dispersion mechanism; 81. Support rod; 82. Outer sleeve; 83. Second cam; 84. Fifth spring; 85. Counteracting part; 9. blanking assembly; 91. rotating motor; 92. rotating shaft; 93. blanking plate; 94. grid cylinder. DETAILED DESCRIPTION

[0022] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0023] Embodiment 1: Figure 1-2 , Figure 4-5 , Figure 7 As shown, a continuous belt drying device comprises: The housing 1 is provided with a discharge port 11 and a feed port 12; A heating device 13 is arranged at the bottom of the housing 1, and the heating device 13 is suitable for passing hot air into the housing 1 from bottom to top; A conveying assembly 2 is arranged in the housing 1, and the conveying assembly 2 includes four conveying components arranged at intervals in the longitudinal direction. Among the four conveying components, the conveying component located on the top layer is the top conveying component, the conveying component located on the second layer is the second layer conveying component, the conveying component located on the third layer is the third layer conveying component, and the conveying part located on the bottom layer is the bottom conveying component. The conveying components are divided into a feed end and a discharge end. In two adjacent conveying components, the discharge end of one conveying component and the feed end of the other conveying component are arranged correspondingly, the feed end of the top conveying component corresponds to the feed port 12, and the discharge end of the bottom conveying component corresponds to the discharge port 11; A screening component 3 is arranged on the discharge end of the top conveying component, and the screening component 3 is suitable for screening the material passing through the top conveying component; The first conveying pipe 5 and the second conveying pipe 4 are arranged below the screening component. The first conveying pipe 5 is suitable for conveying part of the screened material to the feed end of the third layer conveying component, and the second conveying pipe 4 is suitable for conveying part of the screened material to the feed end of the bottom layer conveying component.

[0024] like Figure 6 As shown, the screening assembly 3 includes a fixed guide plate 31 connected to the housing 1, a connecting plate 35 and a fixed bracket 36, and two ends of the connecting plate 35 are respectively connected to the bottom of the fixed guide plate 31 and the top of the fixed bracket 36; A first screen 33 is arranged in the fixed guide plate 31, a second screen 310 is arranged in the fixed bracket 36, a first material receiving tray 38 and a second material receiving tray 37 are arranged at the bottom of the fixed bracket 36, the second material receiving tray 37 is located directly below the initial position of the second screen 310, a vibration mechanism is arranged between the second material receiving tray 37 and the second screen 310, the vibration mechanism is suitable for vibrating the second screen 310 located at the initial position, a linear moving mechanism is arranged in the fixed bracket 36, the linear moving mechanism is connected to the second screen 310 so as to drive the second screen 310 to move toward the first material receiving tray 38; The first conveying pipe 5 is connected to the bottom of the first receiving tray 38, and the second conveying pipe 4 is connected to the bottom of the second receiving tray 37; The conveying components include two transmission rollers 21, a metal mesh belt 23 and a driving motor 24; Both transmission rollers 21 are rotatably installed in the outer shell 1. Both transmission rollers 21 are provided with transmission mechanisms 22. The transmission mechanisms 22 are connected to the metal mesh belt 23. The driving motor 24 is installed on the outer shell 1. The driving motor 24 is connected to one of the transmission rollers 21 to drive the two transmission rollers 21 to rotate, thereby driving the metal mesh belt 23 to rotate.

[0025] like Figure 7 As shown, two limit plates 34 are arranged in the fixed guide plate 31, and the end of the first screen 33 away from the top conveying component is horizontally inclined downward, and a receiving plate 333 is arranged at the feeding end of the second conveying component. The receiving plate 333 is connected to the outer shell 1, and the receiving plate 333 is suitable for blocking the material that fails to pass through the mesh of the first screen 33, thereby allowing the material to fall onto the corresponding conveying component.

[0026] like Figure 8-13 As shown, the linear motion mechanism includes a slide rail 311, a slider 313, a moving plate 316 and a fixed frame 318; The slide rail 311 is connected to the fixed bracket 36, the slider 313 is slidably arranged in the slide rail 311, the slide rail 311 is provided with a first spring 312, the two ends of the first spring 312 are respectively connected to the slide rail 311 and the slider 313, the slider 313 is connected to the moving plate 316, a rotating shaft 317 is arranged between the moving plate 316 and the fixed frame 318, one end of the fixed frame 318 is connected to the moving plate 316 through the rotating shaft 317, and the second screen 310 is arranged in the fixed frame 318; A second spring 314 is provided in the slider 313, the bottom of the second spring 314 is connected to the inner wall of the slider 313, the top of the second spring 314 is connected to a matching block 315, a sliding groove 39 is provided on the fixed bracket 36, the matching block 315 is located in the sliding groove 39, and a plurality of push blocks 320 arranged at intervals are connected to the surface of the metal mesh belt 23 corresponding to the top conveying component, the push block 320 is suitable for contacting with the matching block 315 under the drive of the metal mesh belt 23, the contacting surfaces of the push block 320 and the matching block 315 are both arranged to be inclined, and the push block 320 is suitable for pushing the matching block 315 to move after contacting with the matching block 315; Two symmetrically arranged fixing blocks 326 are provided at the bottom of the fixing bracket 36 , and the fixing blocks 326 are suitable for supporting the other end of the fixing frame 318 .

[0027] like Figure 12-15 As shown, a plurality of third springs 319 are disposed in the fixed frame 318, and the second screen 310 is connected to the plurality of third springs 319; The vibration mechanism includes a linkage rod 331 and a plurality of first cams 332 fixedly sleeved on the outside of the linkage rod 331. The linkage rod 331 is rotatably mounted inside the housing 1. A synchronous belt 330 is sleeved between the linkage rod 331 and a drive roller 21 close to the linkage rod in the top conveying component through a synchronous wheel. The drive roller 21 is suitable for driving the linkage rod 331 to rotate, thereby driving the first cam 332 to impact the bottom of the second screen 310. A fixing rod 328 is commonly connected between the two fixing blocks 326 , a fixing plate 327 is fixedly sleeved outside the fixing rod 328 , a baffle plate 325 is movably sleeved outside the fixing rod 328 , a fourth spring 329 is commonly connected between the baffle plate 325 and the fixing plate 327 , and the fourth spring 329 is sleeved outside the fixing rod 328 .

[0028] like Fig.14 As shown, a blocking plate 32 is disposed on the fixed guide plate 31, and a longitudinal moving mechanism is disposed in the connecting plate 35, and the longitudinal moving mechanism is connected to the blocking plate 32 so as to drive the blocking plate 32 to move longitudinally; The longitudinal moving mechanism includes a transmission sleeve 321, a threaded rod 322, a gear 323 and a rack 324. The transmission sleeve 321 is connected to the bottom of the blocking plate 32. The transmission sleeve 321 passes through the fixed guide plate 31 to the connecting plate 35. The threaded rod 322 is rotatably installed in the connecting plate 35. The transmission sleeve 321 is assembled on the outside of the threaded rod 322. The gear 323 is fixedly sleeved on the outside of the threaded rod 322. The rack 324 is connected to one side of the moving plate 316. The rack 324 is suitable for following the movement of the moving plate 316, thereby driving the gear 323 and the threaded rod 322 to rotate, thereby driving the transmission sleeve 321 and the blocking plate 32 to move longitudinally.

[0029] The working principle of this embodiment is as follows: The outer shell 1 serves as a protective and supporting part of the entire drying equipment. When in use, the granular material to be dried is fed into the top conveying component manually or by an external conveying device through the feed port 12 on the outer shell 1. The conveying component has four layers in total. The material is conveyed from the top layer to the bottom layer, and leaves the inner part of the outer shell 1 through the discharge port 11 at the bottom conveying component. During the entire conveying process, the drying of the material mainly depends on the heating device 13 at the bottom of the outer shell 1. The heating device 13 can heat the air and blow out hot air. The hot air enters the inner part of the outer shell 1 from the bottom of the outer shell 1 through the heating device 13. After entering the inner part of the outer shell 1, the hot air passes through the metal mesh belt 23 in each layer of the conveying component and dries the material thereon. It should be noted that additional physical seals such as baffles or curtains can be provided at the feed port 12 and the discharge port 11 to prevent heat loss inside the outer shell 1. When the conveying component is working, the driving motor 24 is started, and the driving motor 24 drives one of the transmission rollers 21 to rotate. The transmission roller 21 drives the other transmission roller 21 and the metal mesh belt 23 to rotate through the transmission mechanism 22. In this embodiment, the transmission mechanism 22 is a conveyor belt that is jointly sleeved on the two transmission rollers 21 through a synchronous wheel. The metal mesh belt 23 and the conveyor belt can be fixed by bolts and other connecting parts. In another embodiment, the transmission mechanism 22 can be a sprocket and a chain. The sprocket is sleeved on the transmission roller 21, and the chain is connected to the metal mesh belt 23. The sprocket rotates with the transmission roller 21 and drives the chain and the metal mesh belt 23 to rotate. This part is a prior art and will not be described in detail here. It should be noted that the mesh size on the metal mesh belt 23 allows hot air to pass through, but the material cannot directly pass through the mesh; The order in which the four conveying components cooperate to convey materials is that the material falls on the top conveying component through the feed port 12 at the shell 1, the material moves from the feed end of the top conveying component to the discharge end of the conveying component, and then falls to the feed end of the adjacent second-layer conveying component, and then moves to the discharge end of the second-layer conveying component and falls to the feed end of the adjacent third-layer conveying component, and then moves to the discharge end of the third-layer conveying component and falls to the feed end of the adjacent bottom-layer conveying component, and finally the material leaves the inside of the shell 1 from the discharge end of the bottom-layer conveying component through the discharge port 11 opened on the shell 1, completing the entire drying process; In order to prevent the granular materials of different sizes from going through the entire drying route in sequence, which may cause the smaller materials to be over-dried, a screening component 3 is provided at the discharge end of the top conveying component. The screening component 3 mainly includes a first screen 33 and a second screen 310. The mesh of the second screen 310 is smaller than the mesh of the first screen 33. After the materials are initially heated from the feed end to the discharge end on the top conveying component, in addition to the materials of originally different sizes, the materials of originally the same size will also change. When these materials of different sizes pass through the top conveying component, they will move along the fixed guide plate 31 to the first screen 33, and the materials will be screened for the first time on the first screen 33. The larger materials will directly pass through the first screen 33 and fall onto the second conveying component. A receiving plate 333 is provided at the feed end of the second conveying component. The receiving plate 333 can prevent the materials that fall onto the second conveying component from escaping from the range of the second conveying component. Compared with the materials that directly pass through the first screen 33, the smaller materials will pass through the meshes of the first screen 33 and fall on the second screen 310. A vibrating mechanism is arranged at the bottom of the second screen 310, and the vibrating mechanism is driven by the transmission roller 21 in the top conveying component close to the second screen 310. The transmission roller 21 is provided with a synchronous belt 330 through a synchronous wheel sleeve. The synchronous belt 330 is connected to the linkage rod 331 through a synchronous wheel at the same time. The linkage rod 331 is driven to rotate through the transmission roller 21, and then the first cam 332 on the linkage rod 331 is driven to rotate. When the first cam 332 rotates, it will intermittently impact the second screen 310 located in the fixed frame 318. After the impact, the second screen 310 is moved on the fixed frame 318. 8 cooperates with the third spring 319 to generate longitudinal vibration. It should be noted that the force generated by the first cam 332 only drives the second screen 310 to vibrate, and the fixed frame 318 does not produce a large longitudinal movement. The vibrating second screen 310 performs a second screening of the material thereon, and the smaller material will pass through the mesh of the second screen 310 and fall into the second receiving tray 37, while the relatively larger material will remain on the second screen 310. It should be noted that a fixed block 326 is provided on the fixed bracket 36, and the fixed block 326 fixes the frame 318 to play a supporting role. A material baffle plate 325 is provided on the fixed block 326, and the material baffle plate 325 can prevent part of the material from sliding off when the second screen 310 vibrates; The material remaining on the second screen 310 is mainly sent to the first receiving plate 38 through the linear moving mechanism. The linear moving mechanism is mainly driven by the push block 320. The metal mesh belt 23 transports the material under the drive of the transmission roller 21, and the push block 320 is connected to the metal mesh belt 23. When the push block 320 follows the metal mesh belt 23 to move to the matching block 315 in the linear moving mechanism, the inclined surface on the push block 320 contacts the inclined surface on the matching block 315, and the two surfaces are against each other. The continuously moving push block 320 generates a horizontal thrust on the matching block 315. Under the action of the thrust, the matching block 315 and the slider 313 move in the slide rail 311. While moving, the first spring 312 connected to the slider 313 is stretched, and the slider 313 drives The movable plate 316 moves, and the movable plate 316 drives the fixed frame 318 to move. The fixed frame 318 generates a thrust on the material blocking plate 325 during the movement. The material blocking plate 325 rotates on the fixed rod 328 and releases the blocking of the second screen 310. The material blocking plate 325 twists the fourth spring 329 while rotating. When the fixed frame 318 moves to a position close to the first material receiving tray 38, one end of the fixed frame 318 close to the first material receiving tray 38 loses the support of the fixed block 326. The other end of the fixed frame 318 is connected to the movable plate 316 by the rotating shaft 317. The end that loses the support tilts downward, and the material on the second screen 310 is poured into the first material receiving tray 38. When the pouring process is completed, the push block 320 brings The moving stroke of the movable mating block 315 reaches the limit distance of the sliding slot 39, and the mating block 315 can no longer move horizontally. At this time, the continuously moving push block 320 squeezes the mating block 315 through the inclined surface thereon, and the squeezed mating block 315 squeezes the second spring 314 in the slider 313, forcing the mating block 315 to retract into the slider 313. At this time, the push block 320 no longer applies force to the mating block 315. As the push block 320 continues to move, the push block 320 separates from the mating block 315. The mating block 315 that has lost the force of the push block 320 is reset under the action of the second spring 314, and the slider 313 is reset by the first spring 312. The reset of the slider 313 drives the reset of the fixed frame 318, and the fixed frame 318 After resetting, the material baffle plate 325 loses the extrusion force and is reset by the fourth spring 329. At this time, the three-level classification of the material is completed. The larger material falls onto the second-layer conveying component, the medium-sized material is temporarily stored in the first receiving tray 38 and is transported to the third-layer conveying component through the first conveying pipe 5, and the smaller material is temporarily stored in the second receiving tray 37 and is transported to the bottom conveying component through the second conveying pipe 4, so as to avoid excessive drying of the material. It should be noted that when the fixed frame 318 is driven by the movable plate 316 as a whole to move toward the first receiving tray 38, it will not interfere with the first cam 332. The fixed frame 318 and the movable plate 316 are connected by the rotating shaft 317. One end is provided with grooves corresponding to the first cams 332.When the fixed frame 318 moves, the first cam 332 passes through the groove and does not contact the fixed frame 318. However, when the fixed frame 318 is not moved into place, the first cam 332 will still produce continuous vibration to the second screen 310. The vibration at this time is not used for screening. The screening work has been completed when the fixed frame 318 is not moved. The vibration when the fixed frame 318 moves can improve the fluidity of the material on the second screen 310, so that the material on the second screen 310 can be poured into the first receiving tray 38 more smoothly. At the same time, when the fixed frame 318 moves to one end and loses the support of the fixed block 326 and tilts downward, the squeezed baffle plate 325 is located below the fixed frame 318. The weight of the fixed frame 318 itself is greater than the supporting force generated by the fourth spring 329 on the baffle plate 325. Therefore, the baffle plate 325 will not interfere with the normal downward tilt of the fixed frame 318, so that the material can be ensured to fall into the first receiving tray 38. The metal mesh belt 23 is provided with a plurality of push blocks 320 arranged at intervals. The setting of the intervals between the push blocks 320 can ensure that the first cam 332 generates sufficient vibration on the second screen 310 to ensure the quality of screening. Since the second screen 310 needs to be fixed with the frame 318 to drive the second screen 310 to move linearly as a whole during the process of feeding the screened material into the first receiving tray 38, the bottom of the first screen 33 will directly correspond to the second receiving tray 37, and the first screen 33 that continues to pass through the fixed guide plate 31 to the first receiving tray 37 is not avoided. The material on the screen 33 passes through the mesh of the first screen 33 and directly enters the second receiving plate 37. Therefore, when the fixed frame 318 moves, the blocking plate 32 on the fixed guide plate 31 needs to be raised to prevent the material from continuously passing through the first screen 33. When the moving plate 316 moves, it drives the rack 324 to move. During the movement, the rack 324 meshes with the gear 323 in the connecting plate 35 and drives the gear 323 to rotate. The rotating gear 323 drives the threaded rod 322 to rotate. The threaded rod 322 is assembled on its outer The transmission sleeve 321 moves upward, thereby driving the blocking plate 32 to move upward. The upward blocking plate 32 can block the material from passing through the first screen 33. The assembly method between the transmission sleeve 321 and the threaded rod 322 can be assembled through a ball nut. The threaded rod 322 rotates and drives the assembly components to move linearly. This is a prior art, and its working principle is not described in detail here. When the second screen 310 pours the material on it into the first receiving tray 38, the moving plate 316 is reset, and the reset of the moving plate 316 drives the rack 324 to move in the opposite direction. The rack 324 drives the gear 323 to reverse, the threaded rod 322 to reverse, the transmission sleeve 321 and the baffle plate 32 to reset, and after the baffle plate 32 is reset, the material loses the obstruction and can pass through the first screen 33 normally to carry out the next round of multi-stage screening. It should be noted that a rotating seal is required between the parts that require an external drive source to rotate and the housing 1. The screening setting according to size classification can not only classify the same materials but not the same sizes, but also is suitable for unified drying of different types of materials with different sizes.

[0030] Embodiment 2: Figure 17-19 As shown, this embodiment further includes the following structure on the basis of the first embodiment: a cloth assembly 7 is provided at the feeding end of the conveying component, and the cloth assembly 7 includes a mounting plate 71 and a cloth roller 72, the mounting plate 71 is connected to the housing 1, and the cloth roller 72 is connected to the mounting plate 71; An adjustment plate 73 is provided on the surface of the cloth roller 72 facing the corresponding feeding end of the conveying component, an inclined guide surface 74 is provided at the bottom of the adjustment plate 73, and diversion slopes 75 are provided on both sides of the adjustment plate 73. The diversion slopes 75 are suitable for diverting materials to both sides, and the inclined guide surfaces 74 are suitable for guiding materials to the bottom of the cloth roller 72.

[0031] like Figure 20-22 As shown, a partition plate 78 is provided on the surface of the material roller 72 opposite to the adjustment plate 73, and a plurality of spaced partition blocks 79 are provided on the partition plate 78. A material guiding inclined surface 710 is provided on one side of the partition block 79 close to the adjustment plate 73. The partition blocks 79 are suitable for allowing the materials to be arranged in strips at intervals after passing through. A plurality of spaced dispersing mechanisms 8 are provided between two corresponding driving rollers 21 in the conveying component, and the dispersing mechanisms 8 are located between the partition plate 78 and the discharge end of the corresponding conveying component; The dispersion mechanism 8 includes a support rod 81, a sleeve 82 and a fifth spring 84. The support rod 81 is fixedly connected in the outer shell 1, and the sleeve 82 is movably sleeved on the outside of the support rod 81. The outer sleeve 82 is fixedly sleeved on the outside with a plurality of second cams 83 arranged at intervals. The fifth spring 84 is sleeved on the outside of the support rod 81. The two ends of the fifth spring 84 are respectively connected to the outer shell 1 and the sleeve 82. The contact position between the second cam 83 and the bottom of the metal mesh belt 23 is the abutting portion 85. When the metal mesh belt 23 moves, the grid of the metal mesh belt 23 contacts the abutting portion 85, causing the second cam 83 to produce an angular offset.

[0032] like Figure 3 , Figure 17-19 As shown, this embodiment further includes the following structure on the basis of the first embodiment: the air outlet of the heating device 13 extends from the bottom of the housing 1 into the housing 1, and a diverter plate 16 is provided in the housing 1. The diverter plate 16 separates the airflow in the air outlet, and a part of the airflow is blown to the bottom of the bottom conveying component, and the other part of the airflow is blown to the two sides of the bottom conveying component and flows upward; The housing 1 is provided with an air distribution pipe 17 corresponding to the material distribution roller 72. The air distribution pipe 17 is suitable for introducing the air flow blowing to the two sides into the corresponding material distribution roller 72. The material distribution roller 72 is provided with an air outlet hole 1 76 and an air outlet hole 2 77. The air outlet hole 1 76 penetrates the adjustment plate 73. An inclined plate 18 is provided on the top of the shell 1, and a water accumulation plate 19 is provided at the low point of the inclined plate 18. A liquid outlet pipe 14 is provided on the shell 1, one end of the liquid outlet pipe 14 passes through the shell 1 and communicates with the water accumulation plate 19, and the other end of the liquid outlet pipe 14 is connected to the storage barrel 15.

[0033] The working principle of this embodiment is as follows: A cloth assembly 7 is provided at the feeding end of each layer of the conveying component. The cloth roller 72 in the cloth assembly 7 is mainly used to unify the thickness of the accumulated materials to ensure the uniformity of drying. Whether it is the material that has just fallen on the top conveying component through the feeding port 12 on the shell 1, the material that enters each layer of the conveying component in sequence, or the material that crosses the layer through the first conveying pipe 5 or the second conveying pipe 4, it needs to be processed by the cloth roller 72 corresponding to each layer to avoid the occurrence of accumulation. The material that is continuously moving driven by the metal mesh belt 23 first contacts the adjustment plate 73 on the cloth roller 72, and the diversion slope 75 on the adjustment plate 73 diverts the material accumulated and concentrated in the middle position of the metal mesh belt 23, and diverts the accumulated material to both sides, so as to achieve the effect of spreading the material on the metal mesh belt 23, thereby improving the utilization rate of the surface area of ​​the metal mesh belt 23. The height of the spread material is gradually limited along the inclined guide surface 74 and passes through the bottom of the cloth roller 72 under continuous movement. This process completes the spreading and thickness restriction of the material. The material enters the gap formed by the plurality of partition blocks 79 through the pouring slope on the partition block 79 at the bottom of the cloth roller 72, and finally all the material that passes through the partition block 79 is arranged in strips at intervals. The material arranged in strips at intervals comes to the top of the dispersion mechanism 8 with continuous movement. The support rod 81 in the dispersion mechanism 8 serves as a support, and a support rod 81 is provided on the outside. The outer sleeve 82 and the second cam 83, the abutting part 85 of the second cam 83 are in contact with the metal grid. During the continuous movement of the metal grid, the concave and convex parts of the grid will cause intermittent thrust to the second cam 83. The second cam 83 subjected to the thrust distorts the fifth spring 84. When the thrust is lost, the fifth spring 84 is reset and drives the second cam 83 to reset. The abutting part 85 of the second cam 83 will intermittently produce a slight impact on the metal mesh belt 23, thereby vibrating the metal mesh belt 23 and the materials thereon. The position of the second cam 83 is set at the interval between adjacent strip materials. Under the vibration of the second cam 83, the original strip materials are dispersed again. Dynamic dispersion is achieved through the three steps of flattening, separation and vibration dispersion, which not only avoids the accumulation and agglomeration of materials but also makes the dispersion of materials more uniform, so that the hot air can have better penetration through the metal grid, thereby enhancing the drying effect. The heating device 13 blows hot air into the shell 1 from the bottom of the shell 1. A diverter plate 16 is arranged in the shell 1. The diverter plate 16 divides the hot air blown into the shell 1 into two streams. One stream directly acts on the bottom conveying component, and the hot air then passes through each conveying component layer by layer to achieve the effect of drying the interlayer material. The other stream of hot air bypasses the bottom of the bottom conveying component and directly enters the upper space from both sides of the conveying component. This arrangement prevents the material on the bottom conveying component from being over-dried. In this stream of hot air, part of the hot air will flow into the cloth roller 72 through the air distribution pipe 17 corresponding to the cloth roller 72, and the hot air will flow out through the air outlet 1 76 and the air outlet 2 77 in the cloth roller 72. In the process of cloth, part of the hot air is directly blown to the material to heat the passing material once, thereby shortening the entire drying time and enhancing the drying effect. At the same time, the hot air ejected from the air outlet 1 76 on the diverter slope 75 can enhance the diversion efficiency of the material through the rapid flow of air, improve the effect of the paving step, and make the material more dispersed to avoid adhesion. The inclined plate 18 arranged on the top of the shell 1 can allow the condensed water generated after drying the material to flow into the corresponding water accumulation plate 19 along the inclination angle of the inclined plate 18, and the condensed water flows to the liquid outlet pipe 14 in the water accumulation plate 19, and finally the condensed water flows into the storage barrel 15 for storage, which can be processed and reused later.

[0034] Embodiment 3: Fig.16 , Fig.23 As shown, the first conveying pipe 5 and the second conveying pipe 4 are both provided with an auger component 6, the auger component 6 includes a control motor 61, an auger shaft 62 and a conveying blade 63, the control motor 61 is installed on the corresponding conveying pipe, the auger shaft 62 is rotatably installed in the corresponding conveying pipe, the control motor 61 is connected to the auger shaft 62 to drive the auger shaft 62 to rotate, and the conveying blade 63 is fixedly sleeved on the outer peripheral surface of the auger shaft 62; A material discharge assembly 9 is provided between the discharge end of the second layer conveying component and the feed end of the third layer conveying component, and between the discharge end of the third layer conveying component and the feed end of the bottom layer conveying component. The material discharge assembly 9 includes a rotating motor 91, a rotating shaft 92 and a grid cylinder 94; The grid cylinder 94 is fixedly connected in the housing 1, the rotating motor 91 is installed on the housing 1, the rotating shaft 92 is rotatably installed in the grid cylinder 94, and a plurality of blanking plates 93 arranged at intervals are fixedly sleeved on the outer circumference of the rotating shaft 92. The rotating motor 91 is connected to the rotating shaft 92 to drive the rotating shaft 92 to rotate in the grid cylinder 94; The outlets of the first conveying pipe 5 and the second conveying pipe 4 are respectively located above the corresponding grid tubes 94 .

[0035] The working principle of this embodiment is as follows: An auger assembly is added in the first conveying pipe 5 and the second conveying pipe 4 to prevent the materials in the first conveying pipe 5 and the second conveying pipe 4 from failing to flow normally to the conveying components of the designated layer. The auger assembly drives the auger shaft 62 and the conveying blade 63 to rotate by starting the control motor 61, and the conveying blade 63 is rotated to realize the conveying of the materials. The auger is a prior art, and its working principle is not described in detail here. A material discharge component 9 is provided between the first conveying pipe 5 and the conveying component of the layer corresponding to its outlet, and between the second conveying pipe 4 and the conveying component of the layer corresponding to its outlet. The material discharge component 9 is a grid cylinder 94 fixedly arranged in the outer shell 1, and a plurality of spaced discharge plates 93 are provided in the grid cylinder 94. A temporary storage space is formed between adjacent discharge plates 93. The materials directly transported across layers through the first conveying pipe 5 or the second conveying pipe 4 will enter different storage spaces respectively with the materials sequentially transported in the current layer, and the rotary motor 91 drives the discharge plate 93 to rotate to place these materials on the corresponding conveying components in batches, so that these different materials are arranged at intervals to avoid mixing of materials in different drying stages. At the same time, the setting of the grid of the grid cylinder 94 also avoids its own occupation blocking the hot air from bottom to top.

[0036] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A continuous belt drying device, characterized in that: include: A housing (1), wherein the housing (1) is provided with a discharge port (11) and a feed port (12); a heating device (13) disposed at the bottom of the outer shell (1), the heating device (13) being suitable for passing hot air into the outer shell (1) from bottom to top; A conveying component (2) is arranged in the housing (1), the conveying component (2) comprising four conveying components arranged at intervals in the longitudinal direction, wherein the conveying component located at the top layer is the top layer conveying component, the conveying component located at the second layer is the second layer conveying component, the conveying component located at the third layer is the third layer conveying component, and the conveying part located at the bottom layer is the bottom layer conveying component, the conveying component is divided into a feed end and a discharge end, and in two adjacent conveying components, the discharge end of one conveying component and the feed end of the other conveying component are arranged correspondingly, the feed end of the top layer conveying component corresponds to the feed port (12), and the discharge end of the bottom layer conveying component corresponds to the discharge port (11); A screening component (3) arranged on the discharge end of the top conveying component, wherein the screening component (3) is suitable for screening materials passing through the top conveying component; A first conveying pipe (5) and a second conveying pipe (4) are arranged below the screening component, wherein the first conveying pipe (5) is suitable for conveying part of the screened material to the feed end of the third-layer conveying component, and the second conveying pipe (4) is suitable for conveying part of the screened material to the feed end of the bottom-layer conveying component.

2. The continuous belt drying equipment according to claim 1, characterized in that: The screening assembly (3) comprises a fixed guide plate (31) connected to the housing (1), a connecting plate (35) and a fixed bracket (36), wherein two ends of the connecting plate (35) are respectively connected to the bottom of the fixed guide plate (31) and the top of the fixed bracket (36); A first screen (33) is arranged in the fixed guide plate (31), a second screen (310) is arranged in the fixed bracket (36), a first material receiving tray (38) and a second material receiving tray (37) are arranged at the bottom of the fixed bracket (36), the second material receiving tray (37) is located directly below the initial position of the second screen (310), a vibration mechanism is arranged between the second material receiving tray (37) and the second screen (310), the vibration mechanism is suitable for vibrating the second screen (310) located at the initial position, and a linear moving mechanism is arranged in the fixed bracket (36), the linear moving mechanism is connected to the second screen (310) and is suitable for driving the second screen (310) to move toward the first material receiving tray (38); The first conveying pipe (5) is connected to the bottom of the first receiving tray (38), and the second conveying pipe (4) is connected to the bottom of the second receiving tray (37); The conveying component comprises two transmission rollers (21), a metal mesh belt (23) and a driving motor (24); The two transmission rollers (21) are both rotatably mounted in the housing (1); a transmission mechanism (22) is provided on the two transmission rollers (21); the transmission mechanism (22) is connected to the metal mesh belt (23); the drive motor (24) is mounted on the housing (1); the drive motor (24) is connected to one of the transmission rollers (21) so as to drive the two transmission rollers (21) to rotate, thereby driving the metal mesh belt (23) to rotate.

3. The continuous belt drying equipment according to claim 2, characterized in that: Two limit plates (34) are arranged in the fixed guide plate (31); one end of the first screen (33) away from the top conveying component is tilted horizontally downward; a receiving plate (333) is arranged at the feeding end of the second conveying component; the receiving plate (333) is connected to the housing (1); the receiving plate (333) is suitable for blocking materials that fail to pass through the mesh of the first screen (33), thereby allowing the materials to fall onto the corresponding conveying component.

4. The continuous belt drying equipment according to claim 3, characterized in that: The linear motion mechanism comprises a slide rail (311), a slider (313), a moving plate (316) and a fixed frame (318); The slide rail (311) is connected to the fixed bracket (36); the slider (313) is slidably arranged in the slide rail (311); a first spring (312) is arranged in the slide rail (311); two ends of the first spring (312) are respectively connected to the slide rail (311) and the slider (313); the slider (313) is connected to the movable plate (316); a rotating shaft (317) is arranged between the movable plate (316) and the fixed frame (318); one end of the fixed frame (318) is connected to the movable plate (316) via the rotating shaft (317); and the second screen (310) is arranged in the fixed frame (318); A second spring (314) is arranged in the slider (313), the bottom of the second spring (314) is connected to the inner wall of the slider (313), the top of the second spring (314) is connected to a matching block (315), a sliding groove (39) is provided on the fixed bracket (36), the matching block (315) is located in the sliding groove (39), a surface of the metal mesh belt (23) corresponding to the top conveying component is connected to a plurality of push blocks (320) arranged at intervals, the push blocks (320) are suitable for contacting with the matching blocks (315) under the drive of the metal mesh belt (23), the contacting surfaces of the push blocks (320) and the matching blocks (315) are both arranged to be inclined, and the push blocks (320) are suitable for pushing the matching blocks (315) to move after contacting with the matching blocks (315); Two symmetrically arranged fixing blocks (326) are provided at the bottom of the fixing bracket (36), and the fixing blocks (326) are suitable for supporting the other end of the fixing frame (318).

5. The continuous belt drying equipment according to claim 4, characterized in that: A plurality of third springs (319) are arranged in the fixed frame (318), and the second screen (310) is connected to the plurality of third springs (319); The vibration mechanism comprises a linkage rod (331) and a plurality of first cams (332) fixedly sleeved on the outside of the linkage rod (331); the linkage rod (331) is rotatably mounted inside the housing (1); a synchronous belt (330) is sleeved between the linkage rod (331) and the drive roller (21) close to the linkage rod in the top conveying component via a synchronous wheel; the drive roller (21) is suitable for driving the linkage rod (331) to rotate, thereby driving the first cams (332) to impact the bottom of the second screen (310); A fixing rod (328) is commonly connected between the two fixing blocks (326); a fixing plate (327) is fixedly sleeved outside the fixing rod (328); a material blocking plate (325) is movably sleeved outside the fixing rod (328); a fourth spring (329) is commonly connected between the material blocking plate (325) and the fixing plate (327); and the fourth spring (329) is sleeved outside the fixing rod (328).

6. The continuous belt drying equipment according to claim 4 or 5, characterized in that: A blocking plate (32) is arranged on the fixed guide plate (31), and a longitudinal moving mechanism is arranged in the connecting plate (35), wherein the longitudinal moving mechanism is connected to the blocking plate (32) so as to drive the blocking plate (32) to move longitudinally; The longitudinal movement mechanism comprises a transmission sleeve (321), a threaded rod (322), a gear (323) and a rack (324); the transmission sleeve (321) is connected to the bottom of the blocking plate (32); the transmission sleeve (321) passes through the fixed guide plate (31) to the inside of the connecting plate (35); the threaded rod (322) is rotatably mounted in the connecting plate (35); the transmission sleeve (321) is assembled on the outside of the threaded rod (322); the gear (323) is fixedly sleeved on the outside of the threaded rod (322); the rack (324) is connected to one side of the moving plate (316); the rack (324) is suitable for following the movement of the moving plate (316), thereby driving the gear (323) and the threaded rod (322) to rotate, thereby driving the transmission sleeve (321) and the blocking plate (32) to move longitudinally.

7. The continuous belt drying equipment according to claim 2, characterized in that: A material distributing assembly (7) is provided at the feeding end of the conveying component, the material distributing assembly (7) comprising a mounting plate (71) and a material distributing roller (72), the mounting plate (71) being connected to the housing (1), and the material distributing roller (72) being connected to the mounting plate (71); An adjustment plate (73) is provided on the surface of the material distributing roller (72) facing the corresponding feeding end of the conveying component, an inclined guide surface (74) is provided at the bottom of the adjustment plate (73), and diversion inclined surfaces (75) are provided on both sides of the adjustment plate (73), the diversion inclined surfaces (75) are suitable for diverting materials to both sides, and the inclined guide surfaces (74) are suitable for guiding materials to the bottom of the material distributing roller (72).

8. The continuous belt drying equipment according to claim 7, characterized in that: A partition plate (78) is provided on the surface of the material distribution roller (72) opposite to the adjustment plate (73); a plurality of partition blocks (79) arranged at intervals are provided on the partition plate (78); a material guiding inclined surface (710) is provided on a side of the partition block (79) close to the adjustment plate (73); the partition blocks (79) are suitable for allowing materials to be arranged in strips at intervals after passing through; A plurality of dispersion mechanisms (8) are arranged at intervals between two corresponding drive rollers (21) in the conveying component, and the dispersion mechanisms (8) are located between the partition plate (78) and the corresponding discharge end of the conveying component; The dispersion mechanism (8) comprises a support rod (81), a sleeve (82) and a fifth spring (84); the support rod (81) is fixedly connected to the housing (1); the sleeve (82) is movably sleeved on the outside of the support rod (81); a plurality of second cams (83) arranged at intervals are fixedly sleeved on the outside of the sleeve (82); the fifth spring (84) is sleeved on the outside of the support rod (81); two ends of the fifth spring (84) are respectively connected to the housing (1) and the sleeve (82); the contact position between the second cam (83) and the bottom of the metal mesh belt (23) is an abutting portion (85); when the metal mesh belt (23) moves, the mesh of the metal mesh belt (23) contacts the abutting portion (85) so that the second cam (83) is angularly offset.

9. The continuous belt drying equipment according to claim 7 or 8, characterized in that: The air outlet of the heating device (13) extends from the bottom of the housing (1) into the housing (1), and a diverter plate (16) is provided in the housing (1), and the diverter plate (16) separates the airflow in the air outlet, so that a part of the airflow is blown toward the bottom of the bottom conveying component, and another part of the airflow is blown toward the two sides of the bottom conveying component and flows upward; The outer shell (1) is provided with an air distribution pipe (17) corresponding to the material distribution roller (72), the air distribution pipe (17) being suitable for introducing the air flow portion blown to the two sides into the corresponding material distribution roller (72), the material distribution roller (72) is provided with an air outlet hole 1 (76) and an air outlet hole 2 (77), the air outlet hole 1 (76) passing through the adjustment plate (73); An inclined plate (18) is arranged on the top of the outer shell (1), a water accumulation plate (19) is arranged at the low point of the inclined plate (18), a liquid outlet pipe (14) is arranged on the outer shell (1), one end of the liquid outlet pipe (14) passes through the outer shell (1) and communicates with the water accumulation plate (19), and the other end of the liquid outlet pipe (14) is connected to a storage barrel (15).

10. The continuous belt drying equipment according to claim 1, characterized in that: The first conveying pipe (5) and the second conveying pipe (4) are both provided with an auger component (6), the auger component (6) comprising a control motor (61), an auger shaft (62) and a conveying blade (63), the control motor (61) being mounted on the corresponding conveying pipe, the auger shaft (62) being rotatably mounted in the corresponding conveying pipe, the control motor (61) being connected to the auger shaft (62) so as to drive the auger shaft (62) to rotate, and the conveying blade (63) being fixedly sleeved on the outer peripheral surface of the auger shaft (62); A material discharge assembly (9) is provided between the discharge end of the second-layer conveying component and the feed end of the third-layer conveying component, and between the discharge end of the third-layer conveying component and the feed end of the bottom-layer conveying component. The material discharge assembly (9) comprises a rotating motor (91), a rotating shaft (92), and a grid cylinder (94); The grid cylinder (94) is fixedly connected in the housing (1), the rotating motor (91) is mounted on the housing (1), the rotating shaft (92) is rotatably mounted in the grid cylinder (94), a plurality of blanking plates (93) arranged at intervals are fixedly sleeved on the outer circumference of the rotating shaft (92), and the rotating motor (91) is connected to the rotating shaft (92) so as to drive the rotating shaft (92) to rotate in the grid cylinder (94); The outlets of the first conveying pipe (5) and the second conveying pipe (4) are respectively located above the corresponding grid cylinder (94).

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