Biomass particle dehydration device

Abstract

The utility model discloses a biomass particle dehydration device, which relates to the technical field of biomass particle processing, and comprises a base, the middle part of the base is rotatably connected with a central cylinder, the lower end of the central cylinder is provided with four groups of open holes, and the surface of the middle lower end of the central cylinder is provided with vent holes. According to the biomass particle conveying device, biomass particles are firstly poured into the discharging groove, the height of the biomass particles in the discharging groove is larger than that of the lowermost end of the conveying barrel, and when the first motor drives the center barrel to rotate, the center barrel drives the bolt blades to rotate in the conveying barrel, the bolt blades can convey the biomass particles into the conveying barrel; due to the fact that the gap between the conveying cylinder and the center cylinder is very small, the thickness of the biomass particles is very thin, each biomass particle can make full contact with hot air, evaporation of water in the biomass particles is accelerated, the biomass particles can be dehydrated and dried in the conveying process, and therefore the dehydration efficiency of the biomass particles is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass pellet processing, in particular to a biomass pellet dehydration device. Background Art

[0002] Biomass pellets are particles obtained by densifying and forming crushed biomass straw, forestry waste and other raw materials using a pressure roller and a ring die under normal temperature conditions. After processing and forming, they are dried and dehydrated to reduce weight, making the raw materials more convenient for storage and transportation, and greatly improving the combustion performance of biomass.

[0003] When the existing biomass pellets are dehydrated, most of them are dehydrated at a fixed position. Workers need to first remove the device, load the biomass pellets into the dehydration device, and after the dehydration and drying are completed, they also need to disassemble the device to take out the biomass pellets. These two processes take a lot of time, reducing the dehydration efficiency, and the water vapor generated during dehydration cannot be discharged from the device in time, which also affects the dehydration efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies in the prior art and propose a biomass pellet dehydration device.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a biomass pellet dehydration device, including a base, a central cylinder is rotatably connected to the middle of the base, four groups of openings are provided at the lower end of the central cylinder, ventilation holes are provided on the surface of the middle and lower part of the central cylinder, two groups of first mounting seats are fixedly connected to the lower end of the central cylinder, a second motor is fixedly connected to the middle of the first mounting seat, a first fan blade is fixedly connected to the output end of the second motor, four groups of first fixing frames are fixedly connected to the outer surface of the base, an outer air collecting cylinder is fixedly connected to the upper end of the first fixing frame, a transport cylinder is fixedly connected to the middle of the outer air collecting cylinder, the central cylinder is rotatably connected to the middle of the transport cylinder, ventilation holes are provided at the lower end of the transport cylinder, an air inlet groove is provided inside the base, and the air inlet groove is connected to the inside of the central cylinder through four slots at the lower end of the central cylinder, and four groups of first filter plates are fixedly connected to the outer surface of the base.

[0006] As a further description of the above technical solution:

[0007] A feeding groove is provided at the upper end of the base, four quarter points of the base are fixedly connected with feeding inclined plates, the inclination angles of the feeding inclined plates are the same as the inclination angle of the feeding groove, the feeding groove is filled with biomass pellets, and the biomass pellets fall into the feeding groove along the feeding inclined plates.

[0008] As a further description of the above technical solution:

[0009] The upper end of the transportation cylinder is fixedly connected with an expansion connection cylinder. One side of the expansion connection cylinder is fixedly connected with a discharge inclined plate. The middle part of the discharge inclined plate is connected to the middle part of the expansion connection cylinder. The lower ends of both the expansion connection cylinder and the discharge inclined plate incline in one direction, and the inclination angles of the lower ends of the expansion connection cylinder and the discharge inclined plate are the same. The bolt blades transport the biomass particles to the uppermost part of the transportation cylinder. When the biomass particles exceed the transportation cylinder, they will fall to the middle part of the expansion connection cylinder and slide down along the inclined surface of the expansion connection cylinder to the discharge inclined plate, and then fall into the collection bucket along the discharge inclined plate.

[0010] As a further description of the above technical solution:

[0011] The outer surface of the central cylinder is fixedly connected with bolt blades, and the bolt blades are rotatably connected inside the transportation cylinder. The upper ends of the bolt blades are rotatably connected inside the expansion connection cylinder. The height of the biomass particles in the feeding chute is higher than the lower end of the transportation cylinder. The rotation of the bolt blades can transport the biomass particles in the feeding chute into the transportation cylinder.

[0012] As a further description of the above technical solution:

[0013] Each branch of the outer air-gathering cylinder is fixedly connected with an air outlet pipe. One end of the air outlet pipe far from the outer air-gathering cylinder is fixedly connected with a second filter plate. The water vapor and air flow from the air outlet pipe to the outside.

[0014] As a further description of the above technical solution:

[0015] Each air outlet pipe is fixedly connected with a second mounting seat inside. The middle part of each second mounting seat is fixedly connected with a third motor, and the output ends of the third motors all face the second filter plate. The output ends of the third motors are all fixedly connected with second fan blades. The third motors drive the second fan blades to rotate, accelerating the water vapor to flow to the outside. The second mounting seat can protect the third motor and prevent the water vapor from entering the inside of the third motor.

[0016] As a further description of the above technical solution:

[0017] One group of the upper ends of the first fixing frames is fixedly connected with a second fixing clamp. The upper end of the second fixing clamp is fixedly connected with a first motor. The output end of the first motor is fixedly connected to the upper end of the central cylinder. The second fixing clamp can support the first motor. The first motor drives the central cylinder to rotate, and the central cylinder can drive the bolt blades to rotate.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the present utility model, first, biomass pellets are poured into the interior of the feeding chute, and the height of the biomass pellets in the feeding chute is higher than the lowest height of the transport cylinder. When the first motor drives the central cylinder to rotate and the central cylinder drives the bolt blades to rotate inside the transport cylinder, the bolt blades will transport the biomass pellets into the transport cylinder. Because the gap between the transport cylinder and the central cylinder is very small, the thickness of the biomass pellets is very thin, enabling each biomass pellet to fully contact the hot air, accelerating the evaporation of moisture in the biomass pellets, and enabling the biomass pellets to be dehydrated and dried during transportation, thereby improving the dehydration efficiency of the biomass pellets.

[0020] 2. In the present utility model, the interior of the central cylinder is connected to the interior of the intake slot through four groups of slots. The heating tube heats the air inside the intake slot. The second motor at the lowest end of the central cylinder drives the first fan blade to rotate, accelerating the entry of the hot air inside the intake slot into the central cylinder. At the same time, the outside air continuously passes through the first filter plate and enters the intake slot. The second group of second motors drives the first fan blade to rotate, causing the hot air at the lower end of the central cylinder to flow upward. When the air flows to a certain height, it will pass through the ventilation holes and enter the gap between the central cylinder and the transport cylinder, thereby drying the biomass pellets therein. After that, the air with water vapor passes through the ventilation holes on the transport cylinder and enters the outer air gathering cylinder. Four groups of third motors at the upper end of the outer air gathering cylinder drive the second fan blades to rotate, accelerating the flow of the air and water vapor inside the outer air gathering cylinder to the outside, thereby ensuring the dryness of the dehydrated biomass pellets. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three-dimensional view of the present utility model;

[0022] Figure 2 is a sectional three-dimensional view of the present utility model;

[0023] Figure 3 is a sectional three-dimensional structure diagram of the present utility model;

[0024] Figure 4 is a sectional three-dimensional structure diagram of the central cylinder of the present utility model;

[0025] Figure 5 is a sectional three-dimensional view of the base of the present utility model;

[0026] Figure 6 is a sectional three-dimensional structure diagram of the transport cylinder of the present utility model.

[0027] LEGEND DESCRIPTION:

[0028] 1. Base; 2. First fixing frame; 3. Outer air-gathering cylinder; 4. Second fixing clip; 5. Transportation cylinder; 6. Central cylinder; 7. Extension connecting cylinder; 8. Discharge inclined plate; 9. Feeding inclined plate; 10. First motor; 11. Bolt blade; 12. First mounting seat; 13. Second motor; 14. First fan blade; 15. Feeding chute; 16. Air inlet groove; 17. First filter plate; 18. Air outlet pipe; 19. Second mounting seat; 20. Third motor; 21. Second fan blade; 22. Second filter plate. Detailed implementation manner

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is 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 cannot be understood as a limitation to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0031] Refer to Figure 1-6, an embodiment provided by the present utility model: a biomass particle dehydration device, comprising a base 1. A central cylinder 6 is rotatably connected to the middle of the base 1. Four groups of openings are provided at the lower end of the central cylinder 6. Vent holes are provided on the surface of the middle and lower parts of the central cylinder 6. Two groups of first mounting seats 12 are fixedly connected to the lower end of the central cylinder 6. A second motor 13 is fixedly connected to the middle of the first mounting seat 12. A first fan blade 14 is fixedly connected to the output end of the second motor 13. Four groups of first fixing frames 2 are fixedly connected to the outer surface of the base 1. An outer air gathering cylinder 3 is fixedly connected to the upper end of the first fixing frame 2. A transport cylinder 5 is fixedly connected to the middle of the outer air gathering cylinder 3. The central cylinder 6 is rotatably connected to the middle of the transport cylinder 5. Vent holes are provided at the lower end of the transport cylinder 5. An air inlet groove 16 is provided inside the base 1, and the air inlet groove 16 is connected to the inside of the central cylinder 6 through four slots at the lower end of the central cylinder 6. Four groups of first filter plates 17 are fixedly connected to the outer surface of the base 1.

[0032] A material discharging groove 15 is provided at the upper end of the base 1. Four material discharging inclined plates 9 are fixedly connected to the quarter points of the base 1. The inclination angle of the material discharging inclined plate 9 is the same as that of the material discharging groove 15. The material discharging groove 15 contains biomass particles. The biomass particles fall along the material discharging inclined plate 9 into the material discharging groove 15. An expansion connecting cylinder 7 is fixedly connected to the upper end of the transport cylinder 5. An outlet inclined plate 8 is fixedly connected to one side of the expansion connecting cylinder 7. The middle of the outlet inclined plate 8 is connected to the middle of the expansion connecting cylinder 7. The lower ends of both the expansion connecting cylinder 7 and the outlet inclined plate 8 incline in one direction, and the inclination angles of the lower ends of the expansion connecting cylinder 7 and the outlet inclined plate 8 are the same. The bolt blade 11 transports the biomass particles to the uppermost part of the transport cylinder 5. When the biomass particles exceed the transport cylinder 5, they will fall into the middle of the expansion connecting cylinder 7 and slide down along the inclined surface of the expansion connecting cylinder 7 to the outlet inclined plate 8, and then fall into the collection bucket along the outlet inclined plate 8. The bolt blade 11 is fixedly connected to the outer surface of the central cylinder 6, and the bolt blade 11 is rotatably connected inside the transport cylinder 5. The upper end of the bolt blade 11 is rotatably connected inside the expansion connecting cylinder 7. The height of the biomass particles in the material discharging groove 15 is higher than the lower end of the transport cylinder 5. The rotation of the bolt blade 11 can transport the biomass particles inside the material discharging groove 15 into the transport cylinder 5;

[0033] The four branch stores of the outer air gathering cylinder 3 are all fixedly connected with air outlet pipes 18. One end of each air outlet pipe 18 far away from the outer air gathering cylinder 3 is fixedly connected with a second filter plate 22. Water vapor and air flow from the air outlet pipes 18 to the outside. A second mounting seat 19 is fixedly connected inside each air outlet pipe 18. A third motor 20 is fixedly connected to the middle of each second mounting seat 19, and the output ends of the third motors 20 all face the second filter plate 22. The output ends of the third motors 20 are all fixedly connected with second fan blades 21. The third motors 20 drive the second fan blades 21 to rotate, accelerating the flow of water vapor to the outside. The second mounting seat 19 can protect the third motor 20 and prevent water vapor from entering the inside of the third motor 20. The upper end of a group of first fixing frames 2 is fixedly connected with a second fixing clip 4. The upper end of the second fixing clip 4 is fixedly connected with a first motor 10. The output end of the first motor 10 is fixedly connected to the upper end of the central cylinder 6. The second fixing clip 4 can support the first motor 10. The first motor 10 drives the central cylinder 6 to rotate, and the central cylinder 6 can drive the bolt blades 11 to rotate.

[0034] Working principle: During use, an external collection bucket is placed at the lower end of the discharge inclined plate 8. Biomass particles are poured into the inside of the feeding chute 15 from the feeding inclined plate 9. The central cylinder 6 is driven to rotate by the first motor 10. The central cylinder 6 drives the bolt blade 11 to rotate. The bolt blade 11 transports the biomass particles from the inside of the feeding chute 15 to the inside of the transport cylinder 5, and then transports them from the lower end of the transport cylinder 5 to the upper end of the transport cylinder 5. During this process, the biomass particles will pass through the ventilation hole sections of the transport cylinder 5 and the central cylinder 6. The biomass particles passing through the ventilation hole sections complete dehydration. Then, the bolt blade 11 transports the dehydrated biomass particles to the upper end of the transport cylinder 5. The biomass particles fall from the inside of the transport cylinder 5 into the inside of the expansion connection cylinder 7 and slide down along the slope at the lower end of the expansion connection cylinder 7 to the middle of the discharge inclined plate 8, and then slide down along the discharge inclined plate 8 into the external collection bucket. During the process of transporting the biomass particles, two groups of second motors 13 drive the first fan blades 14 to rotate, accelerating the flow of external air through the first filter plate 17 into the intake air groove 16. After being heated by the heating pipe, the air passes through the four groups of slots at the lower end of the central cylinder 6 from the intake air groove 16 into the inside of the central cylinder 6. Then, the hot air moves upward along the lower end of the central cylinder 6. The hot air passes through the ventilation holes and enters the gap between the central cylinder 6 and the transport cylinder 5, thereby drying the biomass particles therein. Then, the air with water vapor passes through the ventilation holes on the transport cylinder 5 into the outer air gathering cylinder 3. Four groups of third motors 20 at the upper end of the outer air gathering cylinder 3 drive the second fan blades 21 to rotate, accelerating the flow of the air and water vapor inside the outer air gathering cylinder 3 to the outside, thereby ensuring the dryness of the dehydrated biomass particles. Because the second motor 13 drives the first fan blade 14 to rotate, the air inside the intake air groove 16 enters the inside of the central cylinder 6, reducing the pressure inside the intake air groove 16, so that external air enters the inside of the intake air groove 16. The air inside the intake air groove 16 continuously enters the inside of the central cylinder 6, and the external air continuously enters the inside of the central cylinder 6. By driving the first fan blade 14 to rotate with the second motor 13 at the middle and lower ends of the central cylinder 6, the air inside the central cylinder 6 continuously enters the gap between the central cylinder 6 and the transport cylinder 5. At the same time, the pressure inside the central cylinder 6 also becomes smaller. Four groups of third motors 20 drive the second fan blades 21 to rotate, making the air inside the outer air gathering cylinder 3 flow to the outside, reducing the pressure inside the outer air gathering cylinder 3, and making the air between the transport cylinder 5 and the central cylinder 6 enter the inside of the outer air gathering cylinder 3, thereby balancing the pressure among the intake air groove 16, the central cylinder 6, the transport cylinder 5, and the outer air gathering cylinder 3, and enabling the air to continuously flow in these spaces, thus improving the drying efficiency.

[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A biomass particle dehydration device, comprising a base (1), characterized in that: The middle of the base (1) is rotatably connected to a central tube (6), the lower end of the central tube (6) is provided with four groups of openings, the lower end surface of the central tube (6) is provided with ventilation holes, the lower end of the central tube (6) is fixedly connected to two groups of first mounting seats (12), the middle of the first mounting seats (12) is fixedly connected to a second motor (13), the output end of the second motor (13) is fixedly connected to a first fan blade (14), the outer surface of the base (1) is fixedly connected to four groups of first fixing frames (2), the upper surface of the first fixing frames (2) is provided with a plurality of first fixing frames (14), and the upper surface of the first fixing frames (2) is provided with a plurality of first fixing frames (14). The end of the base (1) is fixedly connected to an outer gas gathering cylinder (3), the middle of the outer gas gathering cylinder (3) is fixedly connected to a transport cylinder (5), the middle of the transport cylinder (5) is rotatably connected to a center cylinder (6), the lower end of the transport cylinder (5) is provided with an air vent, an air inlet groove (16) is provided inside the base (1), and the air inlet groove (16) is connected to the inside of the center cylinder (6) through four groups of slots at the lower end of the center cylinder (6), heating pipes are provided inside the four groups of air inlet grooves (16), and four groups of first filter plates (17) are fixedly connected to the outer surface of the base (1).

2. A biomass particle dehydration device according to claim 1, characterized in that: A material discharge chute (15) is provided at the upper end of the base (1), and a material discharge inclined plate (9) is fixedly connected to each of the four points of the base (1), wherein the inclination angle of the material discharge inclined plate (9) is the same as the inclination angle of the material discharge chute (15).

3. A biomass particle dehydration device according to claim 2, characterized in that: The upper end of the transport cylinder (5) is fixedly connected to an expansion cylinder (7), and one side of the expansion cylinder (7) is fixedly connected to a discharge inclined plate (8). The middle part of the discharge inclined plate (8) is connected to the middle part of the expansion cylinder (7), and the lower ends of the expansion cylinder (7) and the discharge inclined plate (8) are inclined in one direction, and the inclination angles of the lower ends of the expansion cylinder (7) and the discharge inclined plate (8) are the same.

4. A biomass particle dehydration device according to claim 3, characterized in that: The outer surface of the central tube (6) is fixedly connected with a bolt blade (11), and the bolt blade (11) is rotatably connected to the inside of the transport tube (5), and the upper end of the bolt blade (11) is rotatably connected to the inside of the expansion tube (7).

5. A biomass particle dehydration device according to claim 4, characterized in that: The four branches of the outer gas collecting cylinder (3) are all fixedly connected to an air outlet pipe (18), and one end of the air outlet pipe (18) away from the outer gas collecting cylinder (3) is fixedly connected to a second filter plate (22).

6. A biomass particle dehydration device according to claim 5, characterized in that: The inside of the air outlet pipe (18) is fixedly connected to a second mounting seat (19), the middle of the second mounting seat (19) is fixedly connected to a third motor (20), and the output end of the third motor (20) faces the second filter plate (22), and the output end of the third motor (20) is fixedly connected to a second fan blade (21).

7. The biomass particle dehydration device according to claim 1, characterized in that: A second fixing clamp (4) is fixedly connected to the upper end of a group of the first fixing frames (2), a first motor (10) is fixedly connected to the upper end of the second fixing clamp (4), and an output end of the first motor (10) is fixedly connected to the upper end of the central tube (6).

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