Biomass fuel screening and sorting device

Abstract

The invention relates to the technical field of screening processing, and discloses a biomass fuel screening and sorting device which comprises a supporting mechanism, the supporting mechanism comprises a sorting box, a supporting frame is fixedly connected to the outer wall of the bottom of the sorting box, and a cutting machine is fixedly connected to the outer wall of the end, away from the sorting box, of the supporting frame. A second discharging opening is fixedly connected to the outer wall of the bottom of the cutting machine, a first fixing shaft is fixedly connected to the inner wall of the sorting box, the sorting mechanism can classify forestry biomass of different shapes firstly, flocculent forestry biomass is preferentially fed into the combustion furnace, then the combustion supporting effect can be achieved, then long-strip-shaped forestry biomass is injected into the combustion furnace, and the forestry biomass is fed into the cutting machine through the first fixing shaft. The long-strip-shaped biomass is used as a main comburent, and finally the forestry biomass residues and particles are fed into a combustion furnace, so that gaps among the long-strip-shaped biomass can be filled, and the overall combustion efficiency in the biomass combustion process is improved.

Description

Technical Field

[0001] This invention relates to the field of screening technology, specifically to a biomass fuel screening and sorting device. Background Technology

[0002] Forestry biomass refers to biomass resources generated during forest growth and forestry production. Its main categories include residues generated during forest tending and logging, and scraps generated during timber processing. These resources can be efficiently converted into clean energy sources such as solid fuels, biogas, and electricity. When converting them into solid fuels for combustion, the pre-combustion treatment of forestry biomass usually involves drying and then crushing. At the same time, these resources can also be further processed into briquettes, biochar, chemicals, and environmentally friendly materials, ultimately achieving high-value utilization of the resources.

[0003] Before burning forestry biomass fuel, when screening and sorting the dried fuel, the combustion characteristics of fuels of different specifications vary greatly. If the particles are too small, the accumulation of a large number of fine particles will lead to insufficient oxygen flow between the particles, thereby reducing the combustion efficiency of biomass fuel during the combustion process.

[0004] To address this, we propose a biomass fuel screening and sorting device. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a biomass fuel screening and sorting device to solve the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a biomass fuel screening and sorting device, comprising a support mechanism, the support mechanism comprising a sorting box, a support frame fixedly connected to the bottom outer wall of the sorting box, a cutting machine fixedly connected to the outer wall of the support frame away from the sorting box, a second discharge port fixedly connected to the bottom outer wall of the cutting machine, a first fixed shaft fixedly connected to the inner wall of the sorting box, an adjustment mechanism provided on the outer surface of the first fixed shaft, a sorting mechanism provided inside the sorting box, a second conveyor belt provided on the outer surface of the sorting mechanism, a through hole opened on the outer surface of the second conveyor belt, and a connecting block fixedly connected to the inner wall of the second conveyor belt; The sorting mechanism includes: A fixed frame is fixedly connected to the inner wall of the sorting box. A fixed ball is fixedly connected to the outer surface of the fixed frame. A second auxiliary roller is rotatably connected to the left inner wall of the fixed frame via a rotating shaft. A first auxiliary roller is rotatably connected to the inner wall of the fixed frame away from the second auxiliary roller via a rotating shaft. An auxiliary component is provided on the side of the fixed frame close to the first auxiliary roller. An adjustment component is provided at the bottom of the fixed frame.

[0007] According to the above technical solution, a first elastic component is fixedly connected to the inner wall of the fixed frame, a discharge plate is fixedly connected to the end of the first elastic component away from the fixed frame, and a discharge bag is fixedly connected to the outer wall of the discharge plate away from the first elastic component.

[0008] According to the above technical solution, the auxiliary component includes a first connecting frame. A squeezing roller is rotatably connected to the inner wall of the first connecting frame away from the first auxiliary roller via a rotating shaft. The squeezing roller is rotatably connected to a second conveyor belt. A receiving plate is fixedly connected to the end of the first connecting frame away from the squeezing roller. A third fixing shaft is fixedly connected to the outer walls of the first connecting frame on both sides away from the receiving plate. The third fixing shaft is slidably connected to the inner wall of the fixing frame. A second elastic component is fixedly connected to the outer wall of the first connecting frame near the third fixing shaft. The end of the second elastic component away from the first connecting frame is fixedly connected to the fixing frame. The third fixing shaft is used to limit the sliding direction and sliding distance of the first connecting frame.

[0009] According to the above technical solution, the adjustment component includes a second connecting frame, which is movably sleeved on the outer surface of the fixed frame. A third elastic component is fixedly connected to the top outer wall of the second connecting frame. The end of the third elastic component away from the second connecting frame is fixedly connected to the fixed frame. A third auxiliary roller is rotatably connected to the outer wall of the end of the second connecting frame away from the third elastic component via a rotating shaft. The third auxiliary roller is in rolling connection with the second conveyor belt. The third auxiliary roller squeezes the second conveyor belt to prevent the second conveyor belt from becoming loose.

[0010] According to the above technical solution, the adjustment mechanism includes a first sliding block, which is slidably sleeved on the outer surface of the first fixed shaft. A first spring is fixedly connected to the outer wall of the first sliding block near the sorting box. The end of the first spring away from the first sliding block is fixedly connected to the sorting box. The first spring is used to assist the first sliding block in completing the reset.

[0011] According to the above technical solution, the inner wall of the first sliding block away from the first spring is rotatably connected to a first rotating rod via a rotating shaft. The end of the first rotating rod away from the first sliding block is rotatably connected to an arc-shaped rod via a rotating shaft. The end of the arc-shaped rod away from the first sliding block is rotatably connected to the inner wall of the sorting box. The first sliding block is used to adjust the deflection angle of the arc-shaped rod via the first rotating rod.

[0012] According to the above technical solution, a fixed rod is fixedly connected to the end of the arc-shaped rod away from the sorting box, and an adjusting plate is movably sleeved between the arc-shaped rod and the fixed rod. A second spring is fixedly connected to the outer wall of the adjusting plate near the fixed rod, and the end of the second spring away from the adjusting plate is fixedly connected to the fixed rod. The adjusting plate is used to adjust the position of biomass at the top of the second conveyor belt.

[0013] According to the above technical solution, a second fixed shaft is fixedly connected to the outer wall of the end of the discharge plate away from the discharge bag. The end of the second fixed shaft away from the discharge plate passes through the sorting box and is fixedly connected to a third spring. The end of the third spring near the discharge plate is fixedly connected to the inner wall of the sorting box. The third spring is used to make the discharge plate shake when the biomass falls into it.

[0014] According to the above technical solution, a feed inlet is fixedly connected to the outer wall of the sorting box away from the cutting machine, and an inclined plate is fixedly connected to the inner wall of the sorting box. A second discharge port is opened on the outer surface of the sorting box away from the feed inlet. A drive roller is rotatably connected to the inner wall of the sorting box near the second discharge port via a rotating shaft. There are three drive rollers. A first conveyor belt is rotatably sleeved on the outer surface of the three drive rollers. A first discharge port is fixedly connected to the inner wall of the sorting box located between the first conveyor belt and the second conveyor belt. The first discharge port is used to collect larger flocculent biomass.

[0015] According to the above technical solution, a vacuum cleaner is fixedly connected to the bottom outer wall of the sorting box, the top of the vacuum cleaner is fixedly connected to the discharge bag, a first discharge port is fixedly connected to the bottom outer wall of the vacuum cleaner, connecting pipes are fixedly connected to the left and right outer walls of the end of the vacuum cleaner away from the first discharge port, a dust suction hood is fixedly connected to the end of the connecting pipe away from the vacuum cleaner, the dust suction hood is fixedly connected to the inner wall of the sorting box, a motor is fixedly connected to the outer wall of the sorting box near the dust suction hood, the output end of the motor passes through the dust suction hood and is fixedly connected to a dust removal roller, the dust removal roller on the left side is used to clean the outer surface of the first conveyor belt, and the dust removal roller on the right side is used to clean the outer surface of the second conveyor belt.

[0016] Compared with the prior art, the present invention provides a biomass fuel screening and sorting device, which has the following beneficial effects: 1. This invention provides a biomass fuel screening and sorting device. The sorting mechanism first classifies forestry biomass of different shapes, prioritizing the feeding of flocculent forestry biomass into the combustion furnace to aid combustion. Then, elongated forestry biomass is injected into the combustion furnace to serve as the main combustion material. Finally, forestry biomass residue and particles are fed into the combustion furnace to fill the gaps between the elongated biomass, thereby improving the overall combustion efficiency during the biomass combustion process.

[0017] 2. By setting an adjustment mechanism, when the biomass at the top of the second conveyor belt is squeezed by the adjustment plate, the adjustment plate will squeeze the second spring. Under the continuous squeezing of the forestry biomass, the adjustment plate will squeeze the arc-shaped rod, thereby causing the arc-shaped rod to pull the first sliding block toward the side of the second conveyor belt through the first rotating rod, and at the same time stretching the first spring. Therefore, the forestry biomass can always be kept in the center position during the conveying process of the second conveyor belt.

[0018] 3. By setting up a sorting mechanism, when dried forestry biomass needs to be transported, the connecting block fixedly connected to the inner wall of the second conveyor belt will come into contact with the fixed ball, thereby causing the second conveyor belt to vibrate. The vibrating second conveyor belt will cause the smaller biomass particles to fall into the discharge plate through the through holes, while the long strips and flocculent biomass will be transported from the second conveyor belt to the first conveyor belt. Since there is a certain gap between the second conveyor belt and the first conveyor belt, the flocculent biomass will fall into the first discharge port through the gap. The first conveyor belt will transport the long strips of biomass to the cutter, and the cutter will cut the long strips of forestry biomass fuel into short branches of a specific length.

[0019] 4. By setting an adjustment component, the third elastic component applies a compressive force to the second connecting frame. The second connecting frame, after being subjected to the force, exerts a compressive effect on the bottom of the second conveyor belt through the third auxiliary roller rotatably connected to its inner wall, thereby preventing the second conveyor belt from becoming loose during vibration. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall front structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall front structure of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the overall front cross-sectional structure of the present invention; Figure 4 This is a schematic diagram of the support mechanism structure of the present invention; Figure 5 This is a schematic diagram of the adjustment mechanism structure of the present invention; Figure 6 This is a schematic diagram of the sorting mechanism and the second conveyor belt structure of the present invention; Figure 7 This is a schematic cross-sectional view of the sorting mechanism and the second conveyor belt of the present invention; Figure 8 This is a schematic diagram of the sorting mechanism and auxiliary components of the present invention; Figure 9 This is a schematic diagram of the sorting mechanism and adjustment component of the present invention; Figure 10 This is a schematic diagram of the sorting mechanism of the present invention; Figure 11 This is a schematic diagram of the auxiliary component structure of the present invention; Figure 12 This is a schematic diagram of the adjustment component structure of the present invention; Figure 13 For the present invention Figure 3 A magnified structural diagram of A in the diagram.

[0021] In the diagram: 1. Support mechanism; 101. Sorting box; 102. Feed inlet; 103. Inclined plate; 104. First fixed shaft; 105. Dust hood; 106. Dust removal roller; 107. Connecting pipe; 108. Vacuum cleaner; 109. First discharge port; 110. Motor; 111. First discharge port; 112. Drive roller; 113. First conveyor belt; 114. Second discharge port; 2. Support frame; 3. Cutting machine; 4. Second discharge port; 5. Adjustment mechanism; 501. First sliding block; 502. First spring; 503. First rotating rod; 504. Arc rod; 505. Fixed rod; 506. Adjusting plate; 507. 6. Sorting mechanism; 601. Fixed frame; 602. Fixed ball; 603. First auxiliary roller; 604. Second auxiliary roller; 605. First elastic component; 606. Discharge plate; 607. Discharge bag; 608. Second fixed shaft; 609. Third spring; 610. Auxiliary component; 6101. Squeeze roller; 6102. First connecting frame; 6103. Receiving plate; 6104. Third fixed shaft; 6105. Second elastic component; 611. Adjusting component; 6111. Second connecting frame; 6112. Third elastic component; 6113. Third auxiliary roller; 7. Second conveyor belt; 8. Through hole; 9. Connecting block. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0023] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention.

[0024] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0025] Example 1: See Figures 1-4 , Figures 6-10The present invention provides a technical solution: a biomass fuel screening and sorting device, including a support mechanism 1, the support mechanism 1 including a sorting box 101, a support frame 2 fixedly connected to the bottom outer wall of the sorting box 101, and a cutting machine 3 fixedly connected to the outer wall of the support frame 2 away from the sorting box 101. The cutting machine 3 is used to process long strips of forestry biomass by cutting them into short branch-shaped materials that meet a preset length specification. A second discharge port 4 is fixedly connected to the bottom outer wall of the cutting machine 3. The second discharge port 4 is a second priority discharge channel used to process the short branch-shaped materials that have been cut to the preset length. Forestry biomass fuel is conveyed and injected into the biomass combustion furnace. A first fixed shaft 104 is fixedly connected to the inner wall of the sorting box 101. An adjustment mechanism 5 is provided on the outer surface of the first fixed shaft 104. A sorting mechanism 6 is provided inside the sorting box 101. A second conveyor belt 7 is provided on the outer surface of the sorting mechanism 6. A through hole 8 is opened on the outer surface of the second conveyor belt 7. The through hole 8 is used to perform screening operations on forestry biomass particles. By limiting its aperture, the screening and separation of smaller forestry biomass particles can be achieved. A connecting block 9 is fixedly connected to the inner wall of the second conveyor belt 7. Sorting mechanism 6 includes: A fixed frame 601 is fixedly connected to the inner wall of the sorting box 101. A fixed ball 602 is fixedly connected to the outer surface of the fixed frame 601. A second auxiliary roller 604 is rotatably connected to the left inner wall of the fixed frame 601 via a rotating shaft. A first auxiliary roller 603 is rotatably connected to the inner wall of the fixed frame 601 away from the second auxiliary roller 604 via a rotating shaft. An auxiliary component 610 is provided on the side of the fixed frame 601 near the first auxiliary roller 603. An adjustment component 611 is provided at the bottom of the fixed frame 601. When conveying the dried forestry biomass, the second auxiliary roller 604 and the first auxiliary roller 603 provide driving force for the second conveyor belt 7, driving the second conveyor belt 7 to convey the forestry biomass. During the conveying process, the connecting block 9 fixedly connected to the inner wall of the second conveyor belt 7 intermittently contacts the fixed ball 602, thereby causing the second conveyor belt 7 to generate periodic vibration.

[0026] A first elastic component 605 is fixedly connected to the inner wall of the fixed frame 601. A discharge plate 606 is fixedly connected to the end of the first elastic component 605 away from the fixed frame 601. A discharge bag 607 is fixedly connected to the outer wall of the discharge plate 606 away from the first elastic component 605. A second fixed shaft 608 is fixedly connected to the outer wall of the end of the discharge plate 606 away from the discharge bag 607. The end of the second fixed shaft 608 away from the discharge plate 606 passes through the sorting box 101 and is fixedly connected to a third spring 609. The end of the third spring 609 near the discharge plate 606 is fixedly connected to the inner wall of the sorting box 101. 609 is used to make the discharge plate 606 vibrate when biomass falls inside it. When smaller granular forestry biomass falls into the discharge plate 606 through the through hole 8, the falling forestry biomass particles impact the discharge plate 606, causing the discharge plate 606 to vibrate under the action of the first elastic component 605. During the vibration, the bottom of the discharge plate 606 forms a sliding fit with the inner wall of the sorting box 101 through the second fixed shaft 608, and exerts a squeezing effect on the third spring 609, causing the discharge plate 606 to form a reciprocating vibration, thereby improving the conveying efficiency of granular forestry biomass to the discharge bag 607 side.

[0027] A feed inlet 102 is fixedly connected to the outer wall of the sorting box 101 away from the cutter 3. An inclined plate 103 is fixedly connected to the inner wall of the sorting box 101. A second discharge port 114 is opened on the outer surface of the end of the sorting box 101 away from the feed inlet 102. A drive roller 112 is rotatably connected to the inner wall of the sorting box 101 near the second discharge port 114 via a rotating shaft. There are three drive rollers 112. A first conveyor belt 113 is rotatably sleeved on the outer surface of the three drive rollers 112. A first discharge port 111 is fixedly connected to the inner wall of the sorting box 101 located between the first conveyor belt 113 and the second conveyor belt 7. The first discharge port 111 prioritizes injecting the flocculent forestry biomass into the biomass combustion furnace. 11 is used to collect larger flocculent biomass. During the forestry biomass conveying operation, the material is fed onto the bearing surface of the second conveyor belt 7 through the feed inlet 102. The second conveyor belt 7 completes the screening operation of smaller-sized forestry biomass particles through the through holes 8. Subsequently, the second conveyor belt 7 conveys the long strips and flocculent forestry biomass towards the first conveyor belt 113. Since there is a gap between the second conveyor belt 7 and the first conveyor belt 113, the flocculent forestry biomass can fall directionally into the first discharge port 111 through the gap. At the same time, the first conveyor belt 113 is responsible for conveying the long strips of forestry biomass towards the cutter 3. Finally, the cutter 3 cuts the long strips of forestry biomass fuel into short branches of a preset length, thereby completing the screening operation.

[0028] A vacuum cleaner 108 is fixedly connected to the bottom outer wall of the sorting box 101. The top of the vacuum cleaner 108 is fixedly connected to the discharge bag 607. A first discharge port 109 is fixedly connected to the bottom outer wall of the vacuum cleaner 108. The first discharge port 109 is set as the third priority discharge channel, responsible for injecting the forestry biomass residue and forestry biomass pellets collected in the vacuum cleaner 108 into the biomass combustion furnace to realize the combustion of the residue. Connecting pipes 107 are fixedly connected to the left and right outer walls of the end of the vacuum cleaner 108 away from the first discharge port 109. A dust suction hood 105 is fixedly connected to the end of the connecting pipe 107 away from the vacuum cleaner 108. The dust suction hood 105 is fixedly connected to the inner wall of the sorting box 101. The sorting box 101 is closer to the dust suction hood 105. A motor 110 is fixedly connected to the outer side wall. The output end of the motor 110 passes through the dust collection hood 105 and is fixedly connected to a dust removal roller 106. The dust removal roller 106 on the left side is used to clean the outer surface of the first conveyor belt 113, and the dust removal roller 106 on the right side is used to clean the outer surface of the second conveyor belt 7. During the process of transporting forestry biomass by the first conveyor belt 113 and the second conveyor belt 7, some forestry biomass residue is easily stuck to the outer surface of the two conveyor belts. The motor 110 and the dust removal roller 106 physically clean the residue on the outer surface of the first conveyor belt 113 and the second conveyor belt 7. At the same time, the dust collection hood 105 adsorbs the residue cleaned by the dust removal roller 106. The adsorbed residue is transported to the inside of the vacuum cleaner 108 through the connecting pipe 107.

[0029] Before the combustion of forestry biomass fuel, due to the significant differences in combustion characteristics between different fuel specifications, the accumulation of a large number of fine particles can easily lead to insufficient oxygen flow between particles, thereby reducing the combustion efficiency during the combustion process. By setting up a sorting mechanism 6, when it is necessary to transport and sort the dried forestry biomass, the second auxiliary roller 604 and the first auxiliary roller 603 provide driving force for the second conveyor belt 7, driving the second conveyor belt 7 to transport the forestry biomass. The connecting block 9 fixedly connected to the inner wall of the second conveyor belt 7 intermittently contacts the fixed ball 602, causing the second conveyor belt 7 to vibrate. This vibration causes the smaller forestry biomass particles to fall into the discharge plate 606 through the through hole 8, completing the small particle sorting. After particle screening, the second conveyor belt 7 transports the long strips and flocculent forestry biomass towards the first conveyor belt 113. Since a specific gap is reserved between the second conveyor belt 7 and the first conveyor belt 113, the flocculent forestry biomass can fall into the first discharge port 111 through this gap. At the same time, the first conveyor belt 113 transports the long strips of forestry biomass to the cutter 3, which cuts them into short branches of a preset length. During the biomass combustion injection process, by first injecting flocculent forestry biomass, then injecting the long strips of cut short branches, and finally injecting forestry biomass residue and fine particles, the oxygen flow environment during the combustion process is optimized, thereby improving the combustion efficiency of biomass fuel.

[0030] Example 2: Please refer to Figure 5 Based on Embodiment 1, this invention provides a technical solution: During the transportation of forestry biomass, if the material is scattered across the bearing surface of the second conveyor belt 7, it can easily cause the center of gravity of the second conveyor belt 7 to deviate during operation, which in turn affects the stability of the second conveyor belt 7 and reduces the overall transportation efficiency. Therefore, an adjustment mechanism 5 is provided, and an adjustment plate 506 is used to guide the scattered forestry biomass in a directional manner, concentrating it in the central area of ​​the second conveyor belt 7. This weakens the adverse effects of the center of gravity deviation on the operation of the second conveyor belt 7, ultimately ensuring and improving the transportation efficiency of the second conveyor belt 7 for forestry biomass. The adjustment mechanism 5 includes a first sliding block 501, which is slidably sleeved on the outer surface of the first fixed shaft 104. A first spring 502 is fixedly connected to the outer wall of the first sliding block 501 near the sorting box 101. The end of the first spring 502 away from the first sliding block 501 is fixedly connected to the sorting box 101. The first spring 502 is used to assist the first sliding block 501 in completing the reset. A first rotating rod 503 is rotatably connected to the inner wall of the first sliding block 501 away from the first spring 502 via a rotating shaft. An arc-shaped rod 5 is rotatably connected to the end of the first rotating rod 503 away from the first sliding block 501 via a rotating shaft. 04. The end of the arc-shaped rod 504 away from the first sliding block 501 is rotatably connected to the inner wall of the sorting box 101. The first sliding block 501 is used to adjust the deflection angle of the arc-shaped rod 504 via the first rotating rod 503. A fixed rod 505 is fixedly connected to the end of the arc-shaped rod 504 away from the sorting box 101. An adjusting plate 506 is movably sleeved between the arc-shaped rod 504 and the fixed rod 505. A second spring 507 is fixedly connected to the outer wall of the adjusting plate 506 near the fixed rod 505. The end of the second spring 507 away from the adjusting plate 506 is fixedly connected to the fixed rod 505. The adjusting plate 506 is used to adjust the biomass in the second conveyor... At the top of the second conveyor belt 7, when the forestry biomass at the top of the second conveyor belt 7 exerts a squeezing effect on the adjusting plate 506, the adjusting plate 506 will squeeze the second spring 507. During the conveying of the long strip of forestry biomass, the long strip of material squeezes the adjusting plates 506 on both sides. The adjusting plate 506 transmits the squeezing force to the arc rod 504, causing the arc rod 504 to rotate. The arc rod 504 pulls the first sliding block 501 to one side of the second conveyor belt 7 through the first rotating rod 503 to guide the sliding, while simultaneously stretching the first spring 502, thereby adjusting the distance between the adjusting plates 506 on both sides.

[0031] Example 3: Please refer to Figure 11 , Figure 12Based on Embodiments 1 and 2, the present invention provides a technical solution: the auxiliary component 610 includes a first connecting frame 6102. A pressing roller 6101 is rotatably connected to the inner wall of the first connecting frame 6102 away from the first auxiliary roller 603 via a rotating shaft. The pressing roller 6101 is rotatably connected to the second conveyor belt 7. A receiving plate 6103 is fixedly connected to the end of the first connecting frame 6102 away from the pressing roller 6101. The receiving plate 6103 slides inside the first auxiliary roller 603, and the two always remain in a non-contact state. Simultaneously, the receiving plate 6103 is provided with a preset tilt angle towards the discharge plate 606 to guide the biomass pellets falling from the side of the second conveyor belt 7 near the pressing roller 6101, conveying these pellets to the discharge plate 606. The outer sides of the first connecting frame 6102 away from the receiving plate 6103 are... A third fixed shaft 6104 is fixedly connected to the wall of the first connecting frame 601. The third fixed shaft 6104 is slidably connected to the inner wall of the fixed frame 601. A second elastic component 6105 is fixedly connected to the outer wall of the first connecting frame 6102 near the third fixed shaft 6104. The end of the second elastic component 6105 away from the first connecting frame 6102 is fixedly connected to the fixed frame 601. The third fixed shaft 6104 is used to limit the sliding direction and sliding distance of the first connecting frame 6102. When a shorter forestry biomass block falls into the gap between the second conveyor belt 7 and the first conveyor belt 113, the forestry biomass block will exert a squeezing effect on the side of the second conveyor belt 7 near the squeezing roller 6101. Under this squeezing, the squeezing roller 6101 slides to one side of the fixed frame 601, so that the forestry biomass block can fall smoothly into the first discharge port 111.

[0032] The adjusting component 611 includes a second connecting frame 6111, which is movably sleeved on the outer surface of the fixed frame 601. A third elastic component 6112 is fixedly connected to the top outer wall of the second connecting frame 6111. One end of the third elastic component 6112 away from the second connecting frame 6111 is fixedly connected to the fixed frame 601. A third auxiliary roller 6113 is rotatably connected to the outer wall of the second connecting frame 6111 away from the third elastic component 6112 via a rotating shaft. The third auxiliary roller 6113 is tumbledly connected to the second conveyor belt 7. The third elastic component 6112 applies a directional compressive force to the second connecting frame 6111. The second connecting frame 6111, through the third auxiliary roller 6113 rotatably connected to its inner wall, transmits this compressive force to the bottom of the second conveyor belt 7 and forms a compressive support, thereby effectively preventing the second conveyor belt 7 from loosening during vibration operation.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only 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. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended 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 make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A biomass fuel screening and sorting device, comprising a support mechanism (1), the support mechanism (1) comprising a sorting box (101), a support frame (2) fixedly connected to the bottom outer wall of the sorting box (101), a cutting machine (3) fixedly connected to the outer wall of the support frame (2) away from the sorting box (101), a second discharge port (4) fixedly connected to the bottom outer wall of the cutting machine (3), and a first fixed shaft (104) fixedly connected to the inner wall of the sorting box (101), characterized in that, An adjustment mechanism (5) is provided on the outer surface of the first fixed shaft (104), a sorting mechanism (6) is provided inside the sorting box (101), a second conveyor belt (7) is provided on the outer surface of the sorting mechanism (6), a through hole (8) is provided on the outer surface of the second conveyor belt (7), and a connecting block (9) is fixedly connected to the inner wall of the second conveyor belt (7). The sorting mechanism (6) includes: A fixed frame (601) is fixedly connected to the inner wall of the sorting box (101). A fixed ball (602) is fixedly connected to the outer surface of the fixed frame (601). A second auxiliary roller (604) is rotatably connected to the left inner wall of the fixed frame (601) via a rotating shaft. A first auxiliary roller (603) is rotatably connected to the inner wall of the fixed frame (601) away from the second auxiliary roller (604) via a rotating shaft. An auxiliary component (610) is provided on the side of the fixed frame (601) close to the first auxiliary roller (603). An adjustment component (611) is provided at the bottom of the fixed frame (601).

2. The biomass fuel screening and sorting device according to claim 1, characterized in that: The inner wall of the fixed frame (601) is fixedly connected to a first elastic component (605), and the end of the first elastic component (605) away from the fixed frame (601) is fixedly connected to a discharge plate (606). The outer wall of the discharge plate (606) away from the first elastic component (605) is fixedly connected to a discharge bag (607).

3. The biomass fuel screening and sorting device according to claim 2, characterized in that: The auxiliary component (610) includes a first connecting frame (6102). A pressing roller (6101) is rotatably connected to the inner wall of the first connecting frame (6102) away from the first auxiliary roller (603) via a rotating shaft. The pressing roller (6101) is rotatably connected to the second conveyor belt (7). A receiving plate (6103) is fixedly connected to one end of the first connecting frame (6102) away from the pressing roller (6101). The outer walls of both sides of the first connecting frame (6102) away from the receiving plate (6103) are also fixedly connected to… A third fixed shaft (6104) is connected to the inner wall of the fixed frame (601). A second elastic component (6105) is fixedly connected to the outer wall of the first connecting frame (6102) near the third fixed shaft (6104). The end of the second elastic component (6105) away from the first connecting frame (6102) is fixedly connected to the fixed frame (601). The third fixed shaft (6104) is used to limit the sliding direction and sliding distance of the first connecting frame (6102).

4. A biomass fuel screening and sorting device according to claim 3, characterized in that: The adjusting component (611) includes a second connecting frame (6111), which is movably sleeved on the outer surface of the fixed frame (601). A third elastic component (6112) is fixedly connected to the top outer wall of the second connecting frame (6111). The end of the third elastic component (6112) away from the second connecting frame (6111) is fixedly connected to the fixed frame (601). The outer wall of the end of the second connecting frame (6111) away from the third elastic component (6112) is rotatably connected to a third auxiliary roller (6113) via a rotating shaft. The third auxiliary roller (6113) is in rolling connection with the second conveyor belt (7). The third auxiliary roller (6113) squeezes the second conveyor belt (7) to prevent the second conveyor belt (7) from becoming loose.

5. A biomass fuel screening and sorting device according to claim 1, characterized in that: The adjustment mechanism (5) includes a first sliding block (501), which is slidably sleeved on the outer surface of the first fixed shaft (104). A first spring (502) is fixedly connected to the outer wall of the first sliding block (501) near the sorting box (101). The end of the first spring (502) away from the first sliding block (501) is fixedly connected to the sorting box (101). The first spring (502) is used to assist the first sliding block (501) in completing the reset.

6. A biomass fuel screening and sorting device according to claim 5, characterized in that: The inner wall of the first sliding block (501) away from the first spring (502) is rotatably connected to the first rotating rod (503) via a rotating shaft. The end of the first rotating rod (503) away from the first sliding block (501) is rotatably connected to the arc rod (504) via a rotating shaft. The end of the arc rod (504) away from the first sliding block (501) is rotatably connected to the inner wall of the sorting box (101). The first sliding block (501) is used to adjust the deflection angle of the arc rod (504) via the first rotating rod (503).

7. A biomass fuel screening and sorting device according to claim 6, characterized in that: A fixed rod (505) is fixedly connected to one end of the arc-shaped rod (504) away from the sorting box (101). An adjusting plate (506) is movably sleeved between the arc-shaped rod (504) and the fixed rod (505). A second spring (507) is fixedly connected to the outer wall of the adjusting plate (506) near the fixed rod (505). The end of the second spring (507) away from the adjusting plate (506) is fixedly connected to the fixed rod (505). The adjusting plate (506) is used to adjust the position of biomass at the top of the second conveyor belt (7).

8. A biomass fuel screening and sorting device according to claim 4, characterized in that: A second fixed shaft (608) is fixedly connected to the outer wall of the end of the discharge plate (606) away from the discharge bag (607). The end of the second fixed shaft (608) away from the discharge plate (606) passes through the sorting box (101) and is fixedly connected to a third spring (609). The end of the third spring (609) near the discharge plate (606) is fixedly connected to the inner wall of the sorting box (101). The third spring (609) is used to make the discharge plate (606) vibrate when the biomass falls into it.

9. A biomass fuel screening and sorting device according to claim 1, characterized in that: The sorting box (101) has a feed inlet (102) fixedly connected to the outer wall of the end away from the cutter (3). The inner wall of the sorting box (101) has an inclined plate (103) fixedly connected to it. The outer surface of the end of the sorting box (101) away from the feed inlet (102) is provided with a second discharge port (114). The inner wall of the sorting box (101) near the second discharge port (114) is rotatably connected to a drive roller (112) via a rotating shaft. There are three drive rollers (112). The outer surfaces of the three drive rollers (112) are rotatably sleeved with a first conveyor belt (113). The inner wall of the sorting box (101) located between the first conveyor belt (113) and the second conveyor belt (7) is fixedly connected to a first discharge port (111). The first discharge port (111) is used to collect larger flocculent biomass.

10. A biomass fuel screening and sorting device according to claim 2, characterized in that: A vacuum cleaner (108) is fixedly connected to the bottom outer wall of the sorting box (101). The top of the vacuum cleaner (108) is fixedly connected to the discharge bag (607). A first discharge port (109) is fixedly connected to the bottom outer wall of the vacuum cleaner (108). Connecting pipes (107) are fixedly connected to the left and right outer walls of the end of the vacuum cleaner (108) away from the first discharge port (109). A dust collection hood is fixedly connected to the end of the connecting pipe (107) away from the vacuum cleaner (108). 105), the dust hood (105) is fixedly connected to the inner wall of the sorting box (101), and a motor (110) is fixedly connected to the outer wall of the sorting box (101) near the dust hood (105). The output end of the motor (110) passes through the dust hood (105) and is fixedly connected to a dust removal roller (106). The dust removal roller (106) on the left side is used to clean the outer surface of the first conveyor belt (113), and the dust removal roller (106) on the right side is used to clean the outer surface of the second conveyor belt (7).

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