Drying device for biomass particles
The problem of uneven drying of biomass pellets was solved by the tumbling drive mechanism and hot air circulation system, achieving uniform drying and efficient energy utilization.
Patent Information
- Application Number
- CN202423276258.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing biomass pellet drying equipment is prone to uneven drying, with some pellets remaining damp, which affects subsequent stable combustion and energy utilization.
It adopts a tumbling drive mechanism and a hot air circulation system. The opposing rotation of the tumbling paddle increases the contact area between the particles and the hot air. The hot air blowing box and heating mechanism achieve uniform drying. Combined with the filtration mechanism, it prevents impurities from entering and ensures the hot air circulation effect.
This technology enables uniform hot air drying of biomass pellets, improves drying efficiency, and ensures stable combustion and energy utilization.
Smart Images
Figure CN223580498U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of biomass pellet drying, especially relates to a biomass pellet drying device. BACKGROUND
[0002] Biomass pellet is a kind of solid fuel compressed by organic waste or biomass material, usually in the form of small particles;Biomass pellet is usually made by compressing plant waste, wood, crop residues and other organic matter into small particles.
[0003] In the further utilization process of biomass pellet, drying device is needed to effectively dry it, the existing biomass pellet drying device is easy to make biomass pellet appear uneven drying condition when drying biomass pellet, makes part of biomass pellet still in the state of damp, is not conducive to the stable combustion and energy utilization effect in subsequent use process;Therefore a kind of biomass pellet drying device is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a kind of biomass pellet drying device, to solve the above problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A kind of biomass pellet drying device, including drying box, the drying cavity is set in the drying box, the drying box is provided with the turnover drive mechanism for drying cavity, the top side inner wall of the drying cavity in drying box is respectively provided with backflow channel and transfer chamber, the top side inner wall of the drying cavity is fixedly installed with hot air blowing box, the both sides of the hot air blowing box are provided with a plurality of blowholes, the hot air blowing box is provided with heating mechanism, the inner wall of the transfer chamber is provided with fan, the backflow channel of the drying box is provided with filter mechanism, the top of the drying box is provided with inlet, the bottom of the drying box is respectively provided with two discharge ports, the side of the drying box is provided with the plugging mechanism for two discharge ports.
[0007] Preferably, the overturning driving mechanism comprises rotating rods, overturning paddles, gears and a motor, two rotating rods are rotatably installed on the drying box respectively, overturning paddles are fixedly installed on the two rotating rods, the overturning paddles on the two rotating rods are rotatably attached to the inner wall of the drying cavity, gears are fixedly installed on the ends of the two rotating rods penetrating out of the drying box, the two gears are engaged, a motor is fixedly installed on one side of the drying box, and the output shaft of the motor is fixedly installed at one end of the corresponding rotating rod; the overturning driving mechanism synchronously drives the overturning paddles on the two rotating rods to rotate oppositely, the opposite rotation of the two overturning paddles can realize the back-and-forth overturning of the biomass particles in the drying cavity, the contact area between the hot air and the biomass particles during the overturning process is increased, and the biomass particles are uniformly dried by the hot air.
[0008] Preferably, the drying cavity, the reflux channel, the transfer cavity and the hot air blowing box are communicated; the hot air circulation effect is facilitated to be realized.
[0009] Preferably, the heating mechanism comprises mounting blocks and an electric heating wire, mounting blocks are fixedly installed on the inner walls of the two sides of the hot air blowing box, and the electric heating wire is arranged between the two mounting blocks; the air blown into the hot air blowing box can be heated by starting the electric heating wire.
[0010] Preferably, the filtering mechanism comprises first filter plates, an opening and a second filter plate, first filter plates are arranged on the inner walls of the communication portions of the reflux channel and the drying cavity, an opening is formed in the top of the drying box, the opening is communicated with the reflux channel, and a second filter plate is arranged on the inner wall of the opening; the two first filter plates on the reflux channel are used for preventing the biomass particles in the overturning process from entering the reflux channel, and the second filter plate at the opening is used for preventing impurities in the external air from entering the reflux channel.
[0011] Preferably, a feeding cover plate is hingedly installed at the feeding port of the drying box, and the feeding cover plate is blocked at the inlet of the feeding port; the feeding cover plate can be flipped to pour the biomass particles to be dried into the drying cavity of the drying box through the feeding port.
[0012] Preferably, the blocking mechanism comprises a side plate, a U-shaped blocking plug frame and a plug plate, the side plate is fixedly installed on the outer wall of one side of the drying box, the U-shaped blocking plug frame is movably inserted into the two discharge ports of the drying box, the plug plate is arranged above the side plate, and the plug plate is inserted into the side plate and the U-shaped blocking plug frame; the U-shaped blocking plug frame can be taken out of the drying box by removing the plug plate, and the biomass particles after drying can be discharged to the outside through the two discharge ports at the bottom of the drying box.
[0013] The utility model discloses an advantageous effect is: through starting electric heating wire and fan, the fan will heat after the hot air of blowing box two sides on multiple blow -off port blow into to drying cavity, realize the hot -air drying of the biomass granule in drying cavity, and under the cooperation of turning drive mechanism, the turning paddle on two rotary rods carries out the counter -rotating, can realize the back and forth turning of the biomass granule in drying cavity through the counter -rotating of two turning paddles, increased the contact area of hot -air and biomass granule in the turning process, make the biomass granule get the uniform hot -air drying treatment, improved the hot -air drying efficiency of the biomass granule, the stable combustion and energy utilization effect of subsequent drying completed biomass granule in the use process are convenient. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structure schematic diagram of the utility model three -dimensional partial section;
[0015] Figure 2 It is the structure schematic diagram of the utility model plane section;
[0016] Figure 3 It is the structure schematic diagram of the utility model explosion visual angle partial section;
[0017] Figure 4 It is the structure schematic diagram of the utility model three -dimensional visual angle.
[0018] In the drawing: 1, drying box;2, drying cavity;3, rotary rod;4, turning paddle;5, gear;6, motor;7, backflow channel;8, transfer cavity;9, hot -air blowing box;10, blow -off port;11, mounting block;12, electric heating wire;13, fan;14, first filter plate;15, opening;16, second filter plate;17, feed inlet;18, feed cover plate;19, discharge port;20, side plate;21, U type material -blocking insert frame;22, bolt plate. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0020] REFERENCE Figures 1-4The utility model provides a kind of biomass particle drying device, including drying box 1, drying cavity 2 is set in drying box 1, drying box 1 is provided with the turnover drive mechanism for drying cavity 2, the top side inner wall of drying cavity 2 in drying box 1 is respectively set with backflow channel 7 and transfer chamber 8, the top side inner wall of drying cavity 2 is fixedly installed with hot air blowing box 9, the two sides of hot air blowing box 9 are respectively set with multiple air outlets 10, heating mechanism is provided in hot air blowing box 9, the inner wall of transfer chamber 8 is provided with fan 13, filter mechanism is provided in the backflow channel 7 of drying box 1, the top of drying box 1 is provided with inlet 17, the bottom of drying box 1 is respectively set with two discharge ports 19, one side of drying box 1 is provided with the plugging mechanism for two discharge ports 19.
[0021] Further, the turnover drive mechanism includes rotating rods 3, turnover paddles 4, gears 5 and motors 6, two rotating rods 3 are rotatably installed on the drying box 1, turnover paddles 4 are fixedly installed on the two rotating rods 3, the turnover paddles 4 on the two rotating rods 3 are rotatably attached to the inner wall of the drying cavity 2, gears 5 are fixedly installed on one end of the two rotating rods 3 that penetrates out of the drying box 1, the two gears 5 are engaged, a motor 6 is fixedly installed on one side of the drying box 1, and the output shaft of the motor 6 is fixedly installed on one end of the corresponding rotating rod 3; through the turnover drive mechanism, the turnover paddles 4 on the two rotating rods 3 are synchronously driven to rotate in opposite directions, and the biomass particles in the drying cavity 2 can be turned back and forth through the opposite rotation of the two turnover paddles 4, which increases the contact area between the hot air and the biomass particles during the turning process, and the biomass particles are evenly dried by the hot air.
[0022] Specifically, the drying cavity 2, the backflow channel 7, the transfer chamber 8 and the hot air blowing box 9 are connected; it is convenient to realize the hot air circulation effect.
[0023] Specifically, the heating mechanism includes mounting blocks 11 and electric heating wires 12, mounting blocks 11 are fixedly installed on the inner walls of the two sides of the hot air blowing box 9, and an electric heating wire 12 is arranged between the two mounting blocks 11; by starting the electric heating wire 12, the air blown into the hot air blowing box 9 can be heated.
[0024] Specifically, the filter mechanism includes first filter plates 14, openings 15 and second filter plates 16, first filter plates 14 are arranged on the inner walls of the communication parts of the backflow channel 7 and the drying cavity 2, an opening 15 is formed on the top of the drying box 1, the opening 15 is connected with the backflow channel 7, and a second filter plate 16 is arranged on the inner wall of the opening 15; the two first filter plates 14 on the backflow channel 7 prevent the biomass particles in the turning process from entering the backflow channel 7, and the second filter plate 16 at the opening 15 prevents impurities in the external air from entering the backflow channel 7.
[0025] Further, the feeding cover plate 18 is hingedly installed at the feeding port 17 of the drying box 1, and seals the entrance of the feeding port 17, so as to facilitate the opening of the feeding cover plate 18 and pouring the biomass particles to be dried into the drying cavity 2 of the drying box 1 through the feeding port 17.
[0026] Further, the sealing mechanism comprises a side plate 20, a U-shaped blocking plug frame 21 and a plug plate 22, the side plate 20 is fixedly installed on one side of the drying box 1, the same U-shaped blocking plug frame 21 is movably inserted into the two discharge ports 19 of the drying box 1, the plug plate 22 is arranged above the side plate 20 and is inserted into the side plate 20 and the U-shaped blocking plug frame 21, and the biomass particles after drying can be discharged to the outside through the two discharge ports 19 at the bottom of the drying box 1 by taking down the plug plate 22 and then taking out the U-shaped blocking plug frame 21 from the drying box 1.
[0027] In use, when the biomass particles are dried, the biomass particles to be dried are poured into the drying cavity 2 of the drying box 1 through the feeding port 17, the electric heating wire 12 and the fan 13 are started, the heated hot air is blown into the drying cavity 2 through the multiple blowing ports 10 on the two sides of the hot air blowing box 9, the hot air drying of the biomass particles in the drying cavity 2 is realized, the motor 6 is started to drive the corresponding rotating rods 3 to rotate, the two rotating rods 3 are synchronously driven to rotate in opposite directions under the meshing transmission of the two gears 5, the biomass particles in the drying cavity 2 are flipped back and forth through the opposite rotation of the two flipping paddles 4, the contact area between the hot air and the biomass particles during the flipping process is increased, the biomass particles are uniformly hot air dried, the hot air drying efficiency of the biomass particles is improved, the stable combustion and energy utilization effect of the biomass particles after drying in the subsequent use process are facilitated, the gas after drying is reabsorbed into the transfer cavity 8 to be heated again, and the hot air circulation drying effect is realized, and the biomass particles after drying are discharged to the outside through the two discharge ports 19 at the bottom of the drying box 1 by taking down the plug plate 22 and then taking out the U-shaped blocking plug frame 21 from the drying box 1.
[0028] It should be noted that, in the present document, the terms such as first and second, etc. are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application.
Claims
1. A drying apparatus for biomass pellets, comprising a drying chamber (1), characterized in that, The drying box (1) has a drying chamber (2) inside. The drying box (1) is provided with a turning drive mechanism for the drying chamber (2). The top inner wall of the drying chamber (2) inside the drying box (1) is provided with a return channel (7) and a transfer chamber (8). A hot air blowing box (9) is fixedly installed on the top inner wall of the drying chamber (2). Multiple air outlets (10) are provided on both sides of the hot air blowing box (9). A heating mechanism is provided inside the hot air blowing box (9). A fan (13) is provided on the inner wall of the transfer chamber (8). A filter mechanism is provided in the return channel (7) of the drying box (1). A feed inlet (17) is provided at the top of the drying box (1). Two discharge ports (19) are provided at the bottom of the drying box (1). A sealing mechanism for the two discharge ports (19) is provided on one side of the drying box (1).
2. The drying apparatus for biomass pellets according to claim 1, characterized in that, The tumbling drive mechanism includes a rotating rod (3), a tumbling paddle (4), a gear (5), and a motor (6). Two rotating rods (3) are rotatably mounted on the drying box (1). A tumbling paddle (4) is fixedly mounted on each of the two rotating rods (3). The tumbling paddles (4) on the two rotating rods (3) are rotatably attached to the inner wall of the drying chamber (2). A gear (5) is fixedly mounted on one end of each of the two rotating rods (3) that extends to the outside of the drying box (1). The two gears (5) mesh with each other. A motor (6) is fixedly mounted on one side of the drying box (1). The output shaft of the motor (6) is fixedly mounted on one end of the corresponding rotating rod (3).
3. The drying apparatus for biomass pellets according to claim 2, characterized in that, The drying chamber (2), return channel (7), transfer chamber (8) and hot air blowing box (9) are connected.
4. The drying apparatus for biomass pellets according to claim 3, characterized in that, The heating mechanism includes a mounting block (11) and an electric heating wire (12). The mounting blocks (11) are fixedly installed on both sides of the inner wall of the hot air blowing box (9), and the same electric heating wire (12) is provided between the two mounting blocks (11).
5. The drying apparatus for biomass pellets according to claim 3, characterized in that, The filtration mechanism includes a first filter plate (14), an opening (15), and a second filter plate (16). The inner wall of the connection between the return channel (7) and the drying chamber (2) is provided with the first filter plate (14). The top of the drying box (1) is provided with an opening (15), which is connected to the return channel (7). The inner wall of the opening (15) is provided with the second filter plate (16).
6. The drying apparatus for biomass pellets according to claim 1, characterized in that, A feed cover plate (18) is hinged to the feed inlet (17) of the drying box (1), and the feed cover plate (18) seals the inlet of the feed inlet (17).
7. The drying apparatus for biomass pellets according to claim 1, characterized in that, The sealing mechanism includes a side plate (20), a U-shaped plugging frame (21), and a pin plate (22). The side plate (20) is fixedly installed on one side of the outer wall of the drying box (1). The same U-shaped plugging frame (21) is movably inserted into the two discharge ports (19) of the drying box (1). A pin plate (22) is provided above the side plate (20). The pin plate (22) is inserted into the side plate (20) and the U-shaped plugging frame (21).