A rice processing paddy raw material drying system
The multi-stage separation plate and floating material chamber design solves the problems of short drying time and unreasonable heat source distribution of small drying equipment, achieves efficient drying of rice, and reduces energy consumption.
Patent Information
- Application Number
- CN202510820333.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-19
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2045-06-19
AI Technical Summary
Small drying equipment has a compact structure and short drying channels, resulting in poor rice drying effect, unreasonable heat source distribution, and increased energy consumption.
The multi-stage separation plate and floating material chamber design are combined with a driving mechanism to drive the drying silo to rotate, achieving layer-by-layer material dropping and precise airflow dispersion, optimizing heat source distribution, and enhancing airflow and water vapor discharge.
The effective drying time of rice is extended, the utilization rate of heat source is improved, the drying efficiency is enhanced, and the energy consumption is reduced.
Smart Images

Figure CN120333092B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of grain processing, and particularly provides a rice processing paddy raw material drying system. Background Art
[0002] During rice processing, rice drying is essential for long-term storage and to prevent it from becoming moldy and germinating. Generally, professional drying equipment or systems are used for drying. Large-scale drying equipment can fully dry the rice, but in small-scale agricultural production, small-scale drying equipment is generally more suitable for drying the rice. Small-scale drying equipment usually has the characteristics of compact structure, small space occupation, and flexible operation and mobility. However, it also has the following disadvantages:
[0003] (1) Small drying equipment has a compact structure and a short drying channel, which means that the effective drying time of rice is short. When the moisture content of rice is high, the rice drying effect may be poor and repeated drying is required, which affects the drying efficiency.
[0004] (2) The heat source inside small drying equipment mostly adopts an overall distributed design, which makes the heat source distribution unreasonable and non-concentrated, reduces the effective utilization rate of the heat source, and indirectly increases the drying energy consumption. Summary of the Invention
[0005] In order to solve the above problems, the present invention provides a rice processing paddy raw material drying system for solving the problems mentioned in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a rice processing paddy raw material drying system, comprising: a cylindrical silo; a plurality of partition plates, which are fixed inside the cylindrical silo at intervals along the vertical direction; a plurality of drying silos, which are vertically distributed in sequence and arranged between adjacent partition plates; the drying silo comprises a silo support plate overlapped on the lower partition plate, the silo support plate is fixed with a plurality of circumferentially distributed annular slots, each annular slot is movably inserted with a floating material chamber, and the top ends of the plurality of floating material chambers are slidably fitted with a collecting hopper, which is rotatably mounted on the upper The bottom of the separation plate is provided with a plurality of material holes corresponding to the plurality of floating material chambers; and a driving mechanism includes a driving shaft vertically passing through the plurality of separation plates and the plurality of collecting hoppers along the central axis of the cylindrical silo, the silo support plate is fixed on the driving shaft, and the drying air flow channel is arranged inside the driving shaft and connected to each floating material chamber; when the driving shaft rotates and drives the drying silo to rotate, the floating material chamber rotates and vibrates up and down synchronously, and when the bottom port of the floating material chamber partially coincides with the material hole, the grain is heated and dried while being dropped layer by layer.
[0007] Preferably, the floating material chamber includes a ventilation frame movably inserted in the annular slot, and a chamber net forming a cylindrical structure is vertically sleeved on the ventilation frame, and a plurality of air pipes are horizontally connected in the chamber net. The ventilation frame is connected to the drive shaft and connects the dry airflow to each air pipe, and the air pipe is provided with a plurality of air holes for exhausting outwards.
[0008] Preferably, the floating material chamber also includes a top pressure ring fixed on the top of the ventilation frame, and the chamber net is clamped and fixed between the top pressure ring and the ventilation frame; a material guide sleeve corresponding to each floating material chamber is provided at the bottom of the collecting hopper, and the top pressure ring is slidably installed in the corresponding material guide sleeve, and a plurality of elastic parts in contact with the bottom of the collecting hopper are fixed on the top of the top pressure ring, and a floating rod vertically passing through the annular slot and the silo support plate is fixed at the bottom of the ventilation frame, and a cam ring with an upper end surface circumferentially convex and concave is provided on the separating plate, and the floating rod is in pressing contact with the upper end surface of the cam ring.
[0009] Preferably, the ventilation skeleton includes an annular airway movably inserted in an annular slot, and the annular airway is connected to the drive shaft; the upper end of the annular airway is fixedly connected to multiple vertical airways distributed along the ring, and multiple air pipes are connected between two vertical airways in horizontal relative positions.
[0010] Preferably, a center sleeve is provided in the center of the silo support plate, which is fixed to the drive shaft sleeve, and a plurality of frame-shaped wing plates are distributed circumferentially around the center on the silo support plate; a plurality of annular slots are fixed on the plurality of frame-shaped wing plates in a one-to-one correspondence, and are all plugged into the center sleeve; the center sleeve and the annular slots are located between the drive shaft and the annular airway and are continuously horizontally connected to form a channel.
[0011] Preferably, a feed hopper is detachably mounted on the top of the cylindrical silo, and the bottom of the feed hopper is overlapped on the partition plate at the top, and a plurality of feed chambers are provided in the feed hopper, which are connected one by one with the plurality of material holes; the drive shaft passes through the feed hopper vertically along the central axis.
[0012] Preferably, the chamber net is provided with a positioning slot corresponding to each vertical air channel, and the vertical air channels are distributed on the periphery of the chamber net.
[0013] Preferably, a plurality of groups of exhaust ports corresponding to the plurality of drying silos are vertically distributed on the cylindrical silo, and the plurality of exhaust ports in each group are circumferentially distributed.
[0014] Preferably, the port for introducing the dry air flow is arranged at the top of the driving shaft.
[0015] The above technical solution has the following advantages or beneficial effects: the present invention provides a rice processing paddy raw material drying system, wherein a plurality of partition plates are arranged in a cylindrical silo to form a multi-level space, and a drying silo is equipped in each level of the partition space to form a multi-level drying layer, and a plurality of floating material chambers distributed circumferentially are provided in the drying silo to realize the dispersed storage of the grain materials, and the plurality of drying silos are synchronously driven to rotate by a driving mechanism, thereby realizing the circumferential intermittent rotation blanking and the axial layer-by-layer blanking drying blanking method, which greatly prolongs the effective drying time of the grain materials and makes up for the short drying channel. In addition, the overall distribution of the drying heat source is changed, and the air duct between the driving shaft and the floating material chamber is connected, so that the drying airflow can be centrally introduced and accurately dispersed to the grain layer of each floating material chamber, which optimizes the heat source distribution, enhances the airflow flow and the timely discharge of water vapor, improves the effective utilization rate of the heat source, and reduces the relative energy consumption; during the rotation of the drying silo, the floating material chamber is driven to vibrate up and down with the cooperation of the separation disk, which enhances the disturbance of the grain, promotes the discharge of water vapor, and also enhances the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention and its features, configurations and advantages will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings, in which like reference numerals indicate like parts throughout the drawings, which are not drawn to scale, with emphasis placed on illustrating the subject matter of the present invention.
[0017] Figure 1 The present invention provides a three-dimensional cross-sectional view of a rice processing paddy raw material drying system.
[0018] Figure 2 It is a three-dimensional structural diagram of the assembly of the drying silo, the separation plate, the collecting hopper and the drive shaft.
[0019] Figure 3 It is a three-dimensional structural diagram of the feed hopper.
[0020] Figure 4 It is a three-dimensional structural diagram of the separator plate.
[0021] Figure 5 It is a three-dimensional structural diagram of the aggregate hopper.
[0022] Figure 6 It is a three-dimensional structural diagram of the assembly of the annular slot and the silo support plate.
[0023] Figure 7 It is a three-dimensional structural diagram of the silo pallet.
[0024] Figure 8 It is a three-dimensional structural diagram of the floating material chamber.
[0025] Figure 9It is a three-dimensional cross-sectional view of the floating material chamber.
[0026] Figure 10 It is a three-dimensional structural diagram of the ventilation skeleton.
[0027] Figure 11 It is a three-dimensional cross-sectional view of the warehouse network.
[0028] Figure 12 This is a three-dimensional structural diagram of the drive shaft.
[0029] In the figure: 1. Cylindrical silo; 11. Feed hopper; 111. Feed chamber; 12. Drop hopper; 13. Exhaust port; 2. Separator; 21. Cam ring; 22. Material hole; 23. Collecting hopper; 231. Material guide sleeve; 3. Drying silo; 31. Silo support plate; 311. Center sleeve; 312. Frame wing plate; 32. Annular slot; 321. Connecting part; 4. Floating chamber; 41. Ventilation frame; 411. Annular airway; 412. Vertical airway; 413. Floating rod; 42. Chamber net; 421. Positioning slot; 422. Air pipe; 43. Top pressure ring; 431. Vibration spring; 5. Driving mechanism; 51. Support frame; 52. Driving shaft; 521. Air port. DETAILED DESCRIPTION
[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.
[0031] In order to enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0032] like Figure 1 、 Figure 3 and Figure 4As shown, a rice processing paddy raw material drying system includes a cylindrical silo 1 as an outer shell; in order to achieve vertical partitioning, four disc-shaped partition plates 2 are installed inside the cylindrical silo 1 at equal intervals along the vertical direction. In order to facilitate positioning and stable installation, a fixing ring can be welded at each installation position of the partition plate 2 in the cylindrical silo 1 (the fixing ring is not shown in the figure), and the partition plate 2 can be directly overlapped and placed on the corresponding fixing ring and can be fixed by bolts. The separator 2 is provided with four material holes 22 evenly distributed around the center, and the material holes 22 are in the shape of an elongated rectangle. A ring-shaped cam ring 21 is provided near the edge of the upper end face of the separator 2, and the upper end face of the cam ring 21 has a uniformly concave and convex structure; the top of the cylindrical silo 1 is detachably mounted with a feed hopper 11 by bolts, and the feed hopper 11 extends into the cylindrical silo 1 and its bottom is overlapped on the separator 2 at the top. The feed hopper 11 is provided with four feed chambers 111 that are connected one by one with the four material holes 22, and the dropout port of the feed chamber 111 is aligned with the material hole 22 to achieve precise dropout.
[0033] like Figure 1 、 Figure 2 、 Figure 4 、 Figure 6 and Figure 7 As shown, three drying silos 3 are vertically distributed inside the cylindrical silo 1. The drying silos 3 are assembled between adjacent partition plates 2, that is, the three drying silos 3 are correspondingly located in three silo sections separated by four partition plates 2; the drying silo 3 includes a silo support plate 31 overlapped on the lower partition plate 2, the silo support plate 31 is used as a supporting frame, a center sleeve 311 is provided at the center of the silo support plate 31, and four frame-shaped wing plates 312 are evenly distributed around the center circumference on the silo support plate 31; an annular slot 32 is fixed on the four frame wing plates 312 by screws, and a A rectangular window is used for opening and blanking, and the annular slot 32 avoids the rectangular window, and the groove body of the annular slot 32 extends around the edge of the rectangular window. A plug-in portion 321 is provided on the annular slot 32, and four vertically pluggable slots are evenly distributed circumferentially on the center sleeve 311. The annular slot 32 is plugged into the corresponding slot on the center sleeve 311 through the plug-in portion 321. The annular slot 32 can realize rapid positioning and assembly, and can improve the stability of assembly. A rectangular opening is horizontally opened in the plug-in portion 321 and the slot of the center sleeve 311, and the two rectangular openings are in a fitted and docked state.
[0034] like Figure 2 and Figure 5 As shown, the four annular slots 32 are each movably connected to a floating material chamber 4 for temporarily storing grains during the drying process. A collecting hopper 23 is commonly installed between the tops of the four floating material chambers 4. The collecting hopper 23 is rotatably mounted on the bottom of the upper separation plate 2 through a bearing and disperses the grains into each floating material chamber 4.
[0035] like Figure 2 、 Figure 6 、 Figure 8 、 Figure 9 、 Figure 10 and Figure 11 As shown, the floating material chamber 4 includes a ventilation frame 41, which includes an annular air channel 411 that is movably plugged into the annular slot 32. The annular air channel 411 is connected to the rectangular opening of the plug-in portion 321. The upper end of the annular air channel 411 is fixedly connected to a plurality of vertical air channels 412 distributed along the annular direction. In this embodiment, as shown in FIG. Figure 10 As shown, two rows of vertical air passages 412 distributed radially parallel to the silo support plate 31 are arranged one by one opposite to each other, and the other two vertical air passages 412 are distributed between the two rows of vertical air passages 412 . A chamber mesh 42 is vertically sleeved on the ventilation frame 41. The main body of the chamber mesh 42 is a cylindrical metal mesh structure. Positioning slots 421 are provided on the chamber mesh 42 to engage with each vertical airway 412. The vertical airways 412 are distributed around the periphery of the chamber mesh 42. Each pair of vertical airways 412 in two opposing rows within the chamber mesh 42 is welded with a plurality of vertically evenly distributed air pipes 422. The air pipes 422 are open at both ends. Each vertical airway 412 has an air hole that docks with the end of the air pipe 422. When the bottom end of the chamber mesh 42 is pressed against the annular airway 411, the air hole of the vertical airway 412 docks with the end of the air pipe 422. In this embodiment, to enhance the docking seal, a rubber layer is laminated in the positioning slots 421. The air pipes 422 are provided with a plurality of air holes (not shown) for outward exhaust.
[0036] like Figure 2 、 Figure 8 and Figure 9 As shown, a top pressure ring 43 is fixed between the top ends of multiple vertical air channels 412 by screws, and the chamber net 42 is clamped and fixed between the top pressure ring 43 and the annular air channel 411; a guide sleeve 231 corresponding to each floating material chamber 4 is provided at the bottom end of the collecting hopper 23, and the top pressure ring 43 is slidably installed in the corresponding guide sleeve 231, and a plurality of vibration springs 431 in contact with the bottom end of the collecting hopper 23 are welded on the top end of the top pressure ring 43, and the plurality of vibration springs 431 are distributed along the annular direction of the top pressure ring 43, and a floating rod 413 vertically passing through the annular slot 32 and the silo support plate 31 is welded to the bottom of the annular air channel 411, and a ball is movably embedded in the bottom end of the floating rod 413. Under the elastic force of the multiple vibration springs 431, the floating rod 413 is in compressed rolling contact with the upper end surface of the cam ring 21 through the ball.
[0037] like Figure 1 、 Figure 2 and Figure 12As shown, the cylindrical silo 1 is equipped with a driving mechanism 5 that drives the three drying silos 3 to rotate synchronously, and a funnel-shaped drop hopper 12 is provided at the bottom end of the cylindrical silo 1; the driving mechanism 5 includes a support frame 51 fixed in the drop hopper 12 by bolts and a driving shaft 52 vertically rotatably mounted on the support frame 51 through a bearing. The driving shaft 52 is divided into a round tube section, a square tube section and a round shaft section from top to bottom. The driving shaft 52 is arranged along the central axis of the cylindrical silo 1 as a whole. The round tube section vertically penetrates the feed hopper 11 and is rotatably mounted on the feed hopper 11 through a bearing. The square tube section vertically passes through four partition plates 2 and three collecting hoppers 23. The silo support plate 31 is fixed to the square tube section through a center sleeve 311. The round shaft section is rotatably mounted on the supporting frame 51. The driving motor can be installed on the drop hopper 12 through a motor fixing frame, and the round shaft section is fixedly connected to the output shaft of the driving motor. It should be noted that the driving motor is not shown in the accompanying drawings. In the present invention, externally heated dry air flow is mainly introduced into the equipment to dry the rice grains. The circular tube section and the square tube section are both pipe fittings and are connected up and down. The top of the circular tube section is open and serves as an air inlet port. It can be connected to an external pipe through an existing rotary pipe joint for introducing heated dry air flow. Three groups of air ports 521 corresponding to the three drying silos 3 are axially distributed on the square tube section. Each group of air ports 521 has four air ports, and the four air ports 521 are opened on the four sides of the square tube section. The air ports 521 are connected to the rectangular ports of the center sleeve 311 at the corresponding positions; the dry air flow is connected to each floating material chamber 4 through the drive shaft 52; specifically, the dry air flow introduced into the drive shaft 52 is discharged through the air port 521, and is passed through the center sleeve 311 and the two rectangular ports on the annular slot 32 to the inner cavity of the annular airway 411, and then dispersed and circulated to each vertical airway 412, and is discharged into the floating material chamber 4 through the air holes or indirectly through the air pipe 422.
[0038] like Figure 1 As shown, three groups of exhaust ports 13 are vertically distributed on the cylindrical silo 1, corresponding to each of the three drying silos 3. Each group of four exhaust ports 13 is circumferentially distributed. All exhaust ports 13 are connected to a single main pipe via flexible hoses, which in turn connects to an exhaust fan. These evenly distributed exhaust ports 13 not only enhance the uniform distribution of airflow within the cylindrical silo 1, optimizing the distribution of the drying airflow, but also promptly expel air contaminated with moisture, improving drying efficiency.
[0039] Regarding the instructions for assembling the equipment system, the drive mechanism 5 can be assembled first so that the drive shaft 52 is located at the central axis of the cylindrical silo 1. Then, the four partition plates 2, the three collecting hoppers 23 and the three drying silos 3 are assembled in sequence from bottom to top, and finally the feed hopper 11 is assembled.
[0040] The present invention provides a rice processing paddy raw material drying system, which can perform continuous and automatic drying operations on paddy grains. The specific operation process is as follows:
[0041] Preparation stage
[0042] The drying airflow is preheated in advance and led into the drive shaft 52. The equipment is started, the drive shaft 52 rotates, and drives the silo support plate 31 to rotate accordingly, so that the three drying silos 3 keep rotating synchronously and at a uniform speed and are in a state of readiness for operation.
[0043] Drying stage
[0044] The rice grains are continuously conveyed to the feed hopper 11 by an external conveyor. The feed hopper 11 throws the rice grains through the four material holes 22 of the partition plate 2 into the collecting hopper 23 below through the four feed chambers 111. The four feed chambers 111 initially disperse the thrown rice grains and indirectly disperse them into the four floating material chambers 4 below through the four guide sleeves 231 of the collecting hopper 23. The four floating material chambers 4 further disperse the rice grains to avoid concentrated stacking of the rice grains. In the process of the three drying silos 3 being driven by the driving shaft 52 to rotate synchronously, on the one hand, the silo support plate 31 rotates along the disk surface of the partition plate 2. When the rectangular window of the frame-shaped wing plate 312 partially overlaps with the material hole 22, the rice grains in the floating material chamber 4 will fall from the rectangular window through the material hole 22 to the collecting hopper 23 of the next level below. When they are completely dislocated, the silo support plate 3 The pair of rectangular windows are closed, allowing the grain to be intermittently dropped layer by layer during rotation, extending the drying time and ensuring the drying effect. Meanwhile, during rotation, the floating rod 413 rolls along the cam ring 21, passively moving up and down. Under the elastic force of the vibration spring 431, the floating chamber 4, guided by the annular slot 32 and the guide sleeve 231, vibrates up and down, passively generating vibrations. The air pipe 422 acts as a disturbance rod, enhancing the disturbance of the grain layer and simultaneously directing the drying airflow precisely into the grain layer, enhancing airflow within the grain layer and promoting moisture removal. Furthermore, during the rotation and vibration process, impurities and dust in the grain are filtered out through the mesh of the chamber net 42, and unclassified dust is discharged synchronously with the airflow. The dried grain, which has been dropped layer by layer, is finally collected by the drop hopper 12.
[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.
[0046] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "connected," "installed," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.
[0047] The above describes the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the above-mentioned specific embodiments, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can make many possible changes and modifications without departing from the technical solution of the present invention, or modify them into equivalent embodiments with equivalent changes, which does not affect the essential content of the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention that do not depart from the content of the technical solution of the present invention are still within the scope of protection of the technical solution of the present invention.
Claims
1. A rice processing paddy raw material drying system, characterized in that: include: silos; Multiple partition plates are distributed and fixed inside the cylindrical silo at intervals along the vertical direction; Multiple drying silos are vertically arranged in sequence and arranged between adjacent partition plates. The drying silo includes a silo support plate overlapped on the lower partition plate, and a plurality of circumferentially distributed annular slots are fixed on the silo support plate. A floating material chamber is movably inserted in each annular slot. A collecting hopper is slidably fitted between the tops of the multiple floating material chambers. The collecting hopper is rotatably mounted on the bottom of the upper partition plate through a bearing and disperses the grain into each floating material chamber. The partition plate is provided with a plurality of material holes corresponding to the multiple floating material chambers. The drive mechanism includes a drive shaft that vertically passes through multiple separation plates and multiple collecting hoppers along the central axis of the cylindrical silo. The silo support plate is fixed to the drive shaft. A drying air flow channel is provided inside the drive shaft and connected to each floating material chamber. When the drive shaft rotates and drives the drying silo to rotate, the floating material chamber rotates and vibrates up and down synchronously. When the bottom port of the floating material chamber partially coincides with the material hole, the grain is heated and dried while being discharged layer by layer. The floating material chamber includes a ventilation frame movably inserted into the annular slot, a chamber net forming a cylindrical structure is vertically sleeved on the ventilation frame, a plurality of air pipes are horizontally connected in the chamber net, the ventilation frame is connected to the drive shaft, and the drying air flow is connected to each air pipe, and the air pipe is provided with a plurality of air holes for exhausting outwards; The ventilation skeleton includes an annular airway movably inserted in an annular slot, and the annular airway is connected to the drive shaft; the upper end of the annular airway is fixedly connected to multiple vertical airways distributed along the ring, and multiple air pipes are connected between two vertical airways in horizontal relative positions.
2. The rice processing paddy raw material drying system according to claim 1, characterized in that: The floating material chamber also includes a top pressure ring fixed on the top of the ventilation frame, and the chamber net is clamped and fixed between the top pressure ring and the ventilation frame; a material guide sleeve corresponding to each floating material chamber is provided at the bottom of the collecting hopper, and the top pressure ring is slidably installed in the corresponding material guide sleeve, and a plurality of elastic parts in contact with the bottom of the collecting hopper are fixed on the top of the top pressure ring, and a floating rod vertically passing through the annular slot and the silo support plate is fixed at the bottom of the ventilation frame, and a cam ring with an upper end surface circumferentially convex and concave is provided on the separating plate, and the floating rod is in tight contact with the upper end surface of the cam ring.
3. The rice processing paddy raw material drying system according to claim 1, characterized in that: The center of the silo support plate is provided with a center sleeve fixed to the drive shaft sleeve, and a plurality of frame-shaped wing plates are distributed circumferentially around the center on the silo support plate; a plurality of annular slots are fixed on the plurality of frame-shaped wing plates in a one-to-one correspondence, and are all plugged into the center sleeve; the center sleeve and the annular slots are located between the drive shaft and the annular airway and are continuously horizontally penetrated to form a channel.
4. The rice processing paddy raw material drying system according to claim 1, characterized in that: A feed hopper is detachably mounted on the top of the cylindrical silo, and the bottom of the feed hopper is overlapped on the partition plate at the uppermost position. A plurality of feed chambers that are connected one by one with the plurality of material holes are provided in the feed hopper; the drive shaft vertically passes through the feed hopper along the central axis.
5. The rice processing paddy raw material drying system according to claim 1, characterized in that: The chamber net is provided with a positioning slot corresponding to each vertical air channel, and the vertical air channels are distributed on the periphery of the chamber net.
6. The rice processing paddy raw material drying system according to claim 1, characterized in that: The cylindrical silo is vertically distributed with multiple groups of exhaust ports that are arranged in a one-to-one correspondence with multiple drying silos, and the multiple exhaust ports in each group are distributed circumferentially.
7. The rice processing paddy raw material drying system according to claim 1, characterized in that: The port for introducing the dry air flow into the driving shaft is arranged at the top.
Citation Information
Patent Citations
Mixed-flow grain dryer
CN109028894A
Efficient drying device and drying method
CN111121436A
Feed drying box facilitating collection
CN215864465U