Agricultural and forestry waste treatment and utilization equipment

Abstract

The invention relates to the technical field of agricultural and forestry sludge drying, and discloses agricultural and forestry waste treatment and utilization equipment which comprises a base, a support is fixed to the top of the base, an outer cylinder is fixed to the top of the support, a motor is fixed to one side of the top of the base, and an inner cylinder is rotationally connected to the interior of the outer cylinder; according to the agricultural and forestry waste treatment and utilization equipment, sludge is put into the feeding assembly, the intercepting assembly is opened, then the sludge is put into the inner cylinder through the feeding assembly, the inner cylinder is separated from the outer cylinder, the inner cylinder is separated from the outer cylinder, the inner cylinder is separated from the outer cylinder, and an interlayer space between the inner cylinder and the outer cylinder serves as a heating space; and hot air generated by the hot-air blower is used for drying the sludge, so that the notch is opened for feeding only during feeding, the situation that hot air in the inner cylinder overflows outwards is reduced, the sludge drying effect is improved, and the labor amount is also reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of agroforestry sludge drying, and specifically to an equipment for treating and utilizing agroforestry waste. Background Art

[0002] Agroforestry waste refers to by-products or waste generated during the production and processing of agriculture and forestry, including waste soil from agroforestry planting and cultivation, etc. For example, during agroforestry cultivation, various experimental cultivation effects need to be carried out. When the cultivation fails to meet the standards, the soil left over from these cultivations becomes waste soil or sludge. In order to reuse this soil sludge, it is necessary to carry out reduction, stabilization, and harmless treatment on it.

[0003] During the process of soil sludge treatment, usually a sludge dryer is used to dry the soil sludge, and then materials or chemical methods, etc. are used to degrade and separate the organic substances or microorganisms in the soil sludge. When the existing sludge dryer is in use, its feed inlet is too high. Without using other feeding equipment, manual feeding can only be carried out by shoveling. The too-high feed inlet will lead to an increase in the workload of manual feeding, and after the workers are fatigued, the efficiency will decrease. And some workers, in order to reduce the workload, will open the feed inlet of the sludge dryer and directly shovel the sludge into the sludge dryer. Although this reduces the workload, the completely open sludge dryer has serious outward overflow of its internal temperature, thus reducing the efficiency of sludge drying. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides an equipment for treating and utilizing agroforestry waste, which solves the problems raised in the above background art.

[0005] The present invention provides the following technical solutions: An equipment for treating and utilizing agroforestry waste, including a base, a bracket is fixed on the top of the base, and an outer cylinder is fixed on the top of the bracket. A motor is fixed on one side of the top of the base. An inner cylinder is rotatably connected inside the outer cylinder, and the sandwich space between the inner cylinder and the outer cylinder serves as a heating space. A gear disc is fixed on one side of the inner cylinder close to the motor, and the gear disc meshes with the inner cylinder. A spiral scraper is fixed on the inner wall of the inner cylinder;

[0006] An interception assembly for intercepting hot air is provided on one side of the outer cylinder close to the heating space, and a feeding assembly for feeding materials is provided on the side of the outer cylinder far from the heating space.

[0007] Optionally, the interception assembly includes an interception frame, the interception frame is fixed to the outer cylinder by bolts, a mounting frame is fixed to the top of the inner cavity of the interception frame, a first cylinder is fixed inside the mounting frame, a connecting rod is fixed to the output shaft of the first cylinder, and a suspension rope is fixed to the surface of the connecting rod close to the first cylinder;

[0008] On one side of the top of the outer cylinder away from the intercepting frame, a vertical frame is fixed. A screw rod is slidably connected inside the vertical frame. The suspension rope passes through the intercepting frame and is slidably connected with the screw rod. A closing plate is fixed to the bottom of the end of the suspension rope away from the intercepting frame.

[0009] Optionally, the feeding assembly includes a closing cover. The closing cover is hinged to one end of the outer cylinder away from the intercepting frame. A feeding frame is fixed to the side of the closing cover away from the outer cylinder, and the feeding frame is communicated with the closing cover. A fixed shaft is fixed to the bottom of the inner cavity of the feeding frame near the outer cylinder side. An L-shaped flap is rotatably connected to the outside of the fixed shaft;

[0010] On both sides of the bottom of the horizontal part of the L-shaped flap, built-in grooves are opened. Electromagnets are fixed inside the built-in grooves. A first spring is fixed to the side of the vertical part of the L-shaped flap close to the closing cover. One end of the first spring is fixed to the bottom plate of the inner cavity of the closing cover.

[0011] Optionally, a second air cylinder is fixed to the top of the feeding frame. The output shaft of the second air cylinder is fixed with a connecting plate. A pull rod is fixed to the bottom of one side of the connecting plate. The bottom end of the pull rod passes through the top of the feeding frame, and a pressing plate is fixed to the bottom of the pull rod. An L-shaped baffle is slidably connected to the side of the pressing plate away from the pull rod.

[0012] Optionally, a circulation groove is opened in the middle of the bottom end of the horizontal part of the L-shaped flap. A drain port is opened in the middle of the horizontal part of the L-shaped flap, and the drain port is communicated with the circulation groove. A water collecting tank is fixed to the bottom of the feeding frame. A notch is opened at the bottom of the feeding frame, and the water collecting tank is communicated with the circulation groove through the notch.

[0013] Optionally, a hot air blower is fixed to the top of the inner cavity of the closing cover. An inner rod is fixed to the side of the hot air blower close to the outer cylinder.

[0014] Optionally, a storage groove is opened at the end of the inner rod away from the hot air blower. A second spring is fixed to the inner wall of the storage groove close to the inner rod side. One end of the second spring is fixed with a scraping plate. The scraping plate is slidably connected with the inner rod.

[0015] Optionally, a cross groove is opened on the side of the connecting rod away from the first air cylinder. A cross baffle is slidably connected inside the cross groove. A threaded cover is threadedly connected to the outside of the end of the connecting rod away from the intercepting frame. The cross baffle is arranged in a staggered manner with the spiral scraping plate.

[0016] Optionally, ropes are fixed to both ends of the top of the closing plate. The ropes are fixed to the top of the inner cavity of the closing cover. The suspension ropes pass through the top of the intercepting frame and the closing cover respectively.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. For this agricultural and forestry waste treatment and utilization equipment, the sludge is put into the feeding component, and the interception component is opened. Then, the sludge is put into the inner cylinder through the feeding component, and hot air is generated by a hot air blower to dry the sludge. Thus, in the present invention, only when feeding, the notch is opened for feeding, reducing the occurrence of hot air overflowing from the inside of the inner cylinder, improving the sludge drying effect and reducing the manual labor.

[0019] 2. For this agricultural and forestry waste treatment and utilization equipment, by pre-drying the sludge in the feeding component, not only the overall drying efficiency of the present invention is improved, but also the situation where the sludge adheres to the inner wall of the inner cylinder when it first enters the inner cylinder is avoided, improving the smoothness of the inner cylinder in transporting the sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the present invention;

[0021] Figure 2 It is a side view of the structure of the present invention;

[0022] Figure 3 It is a sectional view of the structure of the present invention;

[0023] Figure 4 It is a schematic diagram of the engagement of the motor and the gear disc of the present invention;

[0024] Figure 5 It is a schematic structural diagram of the feeding component of the present invention;

[0025] Figure 6 It is a schematic structural diagram of the L-shaped flap and the pressing plate of the present invention;

[0026] Figure 7 It is a sectional view of the structure of the inner rod and the scraper of the present invention;

[0027] Figure 8 It is a sectional view of the structure of the connecting rod of the present invention.

[0028] In the figure: 1. Base; 11. Outer cylinder; 12. Motor; 2. Inner cylinder; 21. Heating space; 22. Gear disc; 23. Spiral stirring plate; 3. Interception frame; 301. Mounting frame; 31. First cylinder; 32. Connecting rod; 33. Suspension rope; 34. Upright frame; 35. Screw rod; 36. Sealing plate; 37. Pulling rope; 4. Sealing cover; 41. Feeding frame; 42. Fixed shaft; 43. L-shaped flap; 44. Built-in groove; 45. Electromagnet; 46. First spring; 5. Second cylinder; 51. Connecting plate; 52. Pulling rod; 53. Pressing plate; 54. L-shaped baffle; 6. Flow channel; 61. Drainage port; 62. Water collecting tank; 7. Hot air blower; 71. Inner rod; 72. Storage groove; 73. Second spring; 74. Scraper; 8. Cross groove; 81. Cross baffle; 82. Threaded cover. Detailed implementation mode

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] Embodiment 1:

[0031] Please refer to Figure 1-8 , an agricultural and forestry waste treatment and utilization device, including a base 1. A bracket is fixed on the top of the base 1, and an outer cylinder 11 is fixed on the top of the bracket. A motor 12 is fixed on one side of the top of the base 1. An inner cylinder 2 is rotatably connected inside the outer cylinder 11, and the sandwich space between the inner cylinder 2 and the outer cylinder 11 serves as a heating space 21. A gear disk 22 is fixed on one side of the inner cylinder 2 close to the motor 12, and the gear disk 22 meshes with the inner cylinder 2. A spiral stirring plate 23 is fixed on the inner wall of the inner cylinder 2;

[0032] An interception component for intercepting hot air is provided on one side of the outer cylinder 11 close to the heating space 21, and a feeding component for feeding materials is provided on the side of the outer cylinder 11 away from the heating space 21. The interception component includes an interception frame 3. The interception frame 3 is fixed to the outer cylinder 11 by bolts. The top of the inner cavity of the interception frame 3 is fixed with a mounting frame 301. A first cylinder 31 is fixed inside the mounting frame 301. The output shaft of the first cylinder 31 is fixed with a connecting rod 32. A suspension rope 33 is fixed on the surface of the connecting rod 32 close to the first cylinder 31;

[0033] A vertical frame 34 is fixed on one side of the top of the outer cylinder 11 away from the interception frame 3. A screw rod 35 is slidably connected inside the vertical frame 34. The suspension rope 33 passes through the interception frame 3 and is slidably connected with the screw rod 35. A closing plate 36 is fixed to the bottom of one end of the suspension rope 33 away from the interception frame 3;

[0034] The feeding component includes a closing cover 4. The closing cover 4 is hinged to one end of the outer cylinder 11 away from the interception frame 3. A feeding frame 41 is fixed on the side of the closing cover 4 away from the outer cylinder 11, and the feeding frame 41 communicates with the closing cover 4. A fixed shaft 42 is fixed to the bottom of the inner cavity of the feeding frame 41 close to the outer cylinder 11. An L-shaped flap 43 is rotatably connected to the outside of the fixed shaft 42. Built-in grooves 44 are opened on both sides of the bottom of the horizontal part of the L-shaped flap 43. An electromagnet 45 is fixed inside the built-in grooves 44. A first spring 46 is fixed to the side of the vertical part of the L-shaped flap 43 close to the closing cover 4. One end of the first spring 46 is fixed to the bottom plate of the inner cavity of the closing cover 4. Pulling ropes 37 are fixed to both ends of the top of the closing plate 36, and the pulling ropes 37 are fixed to the top of the inner cavity of the closing cover 4. The suspension ropes 33 pass through the top of the interception frame 3 and the closing cover 4 respectively;

[0035] A second cylinder 5 is fixed to the top of the feeding rack 41. A connecting plate 51 is fixed to the output shaft of the second cylinder 5. A pull rod 52 is fixed to the bottom of one side of the connecting plate 51. The bottom end of the pull rod 52 passes through the top of the feeding rack 41, and a pressing plate 53 is fixed to the bottom of the pull rod 52. An L-shaped baffle 54 is slidably connected to the side of the pressing plate 53 away from the pull rod 52.

[0036] During the specific operation process, first close the closed cover 4 so that the closed cover 4 closes the end of the outer cylinder 11 away from the intercepting rack 3. Then rotate the screw rod 35 to release the locking between the screw rod 35 and the vertical frame 34 and adjust the height. Thus, the screw rod 35 drives the lifting rope 33 for tension adjustment. After the adjustment is completed, lock the screw rod 35, and then the lifting rope 33 is in a taut state.

[0037] Then the worker can shovel the sludge into the interior of the feeding rack 41 with a shovel and make the sludge fall on the horizontal surface of the L-shaped flap 43. Then start the first cylinder 31 through the controller, so that the first cylinder 31 extends out, driving the connecting rod 32 to move towards the bottom of the inner cylinder 2. Then the connecting rod 32 drives the end of the lifting rope 33 close to the intercepting rack 3 to move towards the bottom of the inner cylinder 2. During the movement, the end of the lifting rope 33 close to the closing plate 36 pulls the closing plate 36 towards the top of the closed cover 4, and then the feeding rack 41 and the closed cover 4 are in a semi-connected state.

[0038] Subsequently, interrupt the power supply to the electromagnet 45 through the controller. After the electromagnet 45 loses power, it loses magnetism, and then the adsorption state between the electromagnet 45 and the bottom of the inner cavity of the feeding rack 41 is released. When the electromagnet 45 loses magnetism, the balance between the adsorption force of the electromagnet 45 and the feeding rack 41 and the pulling force of the first spring 46 on the L-shaped flap 43 is broken. Then the L-shaped flap 43 quickly flips with the fixed shaft 42 as the center under the pulling force of the first spring 46. The L-shaped flap 43 is divided into a vertical part and a horizontal part. When the vertical part of the L-shaped flap 43 flips, the feeding rack 41 and the closed cover 4 are completely connected. At the same time, during the flipping process of the horizontal part of the L-shaped flap 43, the sludge is thrown into the interior of the inner cylinder 2.

[0039] After the sludge is put into the interior of the inner cylinder 2, the motor 12 can be started through the controller, so that the motor 12 drives the meshing gear disk 22 to rotate. Then the gear disk 22 drives the inner cylinder 2 to rotate inside the outer cylinder 11. Then the inner cylinder 2 drives the spiral scraper 23 to convey the sludge towards the direction of the intercepting rack 3. During the process of conveying the sludge, the sludge can be dried.

[0040] Further, after the feeding of the L-shaped flap 43 is completed, the output shaft of the second cylinder 5 is controlled by the controller to return and descend, thereby causing the second cylinder 5 to drive the connecting plate 51 and the pull rod 52 to descend. The pull rod 52 then drives the pressing plate 53 to descend synchronously. During the descent of the pressing plate 53, it contacts the horizontal part of the L-shaped flap 43 and presses the horizontal part of the L-shaped flap 43, so that the L-shaped flap 43 in an inclined state is restored to a horizontal state. Subsequently, the electromagnet 45 is started again, and through the adsorption of the electromagnet 45 on the feeding frame 41, the reset of the L-shaped flap 43 is completed;

[0041] After the L-shaped flap 43 is reset, the first cylinder 31 is controlled by the controller to reset, so that the first cylinder 31 drives the connecting rod 32 and the lifting rope 33 to reset, and then the lifting rope 33 drives the closing plate 36 to reset, and then the closing plate 36 re-cooperates with the vertical part of the L-shaped flap 43 to close the connection between the feeding frame 41 and the closed cover 4 again, thereby ensuring that the heat inside the inner cylinder 2 will not escape externally, and further improving the drying degree of the sludge inside the inner cylinder 2. As a result, the present invention can put the sludge into the inner cylinder 2 for drying treatment at a low height without opening the inner cylinder 2, and then, while ensuring the normal drying of the sludge at the temperature inside the inner cylinder 2, reducing the workload of workers.

[0042] It should be noted that all the devices in the present invention are controlled by the controller. The initial state of the second cylinder 5 is the ejecting state, and the initial state of the electromagnet 45 is the energized state. In the initial energized state of the electromagnet 45, the heat generated during the energized operation of the electromagnet 45 will be transferred to the sludge at its top through the L-shaped flap 43, thereby playing a role in preheating and drying the sludge, and further improving the efficiency of subsequent sludge drying. At the same time, after preheating and drying, the probability of the sludge adhering to the surface of the L-shaped flap 43 is reduced, and the resistance of the L-shaped flap 43 to throw the sludge is reduced;

[0043] Both ends of the lifting rope 33 are fixed to the connecting rod 32 and the closing plate 36 by universal swivel hooks, thereby ensuring that the lifting rope 33 can be disassembled when the intercepting frame 3 or the closed cover 4 is opened later, ensuring that the intercepting frame 3 and the closed cover 4 can be opened without obstruction.

[0044] Embodiment 2:

[0045] A flow-through groove 6 is opened in the middle of the bottom end of the horizontal part of the L-shaped flap 43, a drain port 61 is opened in the middle of the horizontal part of the L-shaped flap 43, and the drain port 61 is communicated with the flow-through groove 6. A water collecting tank 62 is fixed to the bottom of the feeding frame 41, a notch is opened at the bottom of the feeding frame 41, and the water collecting tank 62 is communicated with the flow-through groove 6 through the notch;

[0046] Specifically, on the basis of the first embodiment, when the sludge is placed on the top of the horizontal part of the L-shaped flap 43, the controller can be used to control the output shaft of the second cylinder 5 to return downward, so that the second cylinder 5 drives the connecting plate 51 and the pull rod 52 to return downward, and then the pull rod 52 drives the pressing plate 53 to descend, so that the pressing plate 53 gradually approaches the sludge on the horizontal part of the L-shaped flap 43 until the bottom of the pressing plate 53 contacts the sludge and presses the sludge. During the pressing process, the moisture of the sludge can be pre-drained, so that the excess moisture can be pressed by the pressing plate 53, through the drain port 61 and into the water collecting tank 62;

[0047] In the process of pressing the sludge, the side of the horizontal part of the L-shaped flap 43 close to the vertical part plays a role in shielding the sludge from overflowing. At the same time, the side of the horizontal part of the L-shaped flap 43 far from the vertical part is shielded by the L-shaped baffle 54. The L-shaped baffle 54 can be adaptively adjusted inside the pressing plate 53, thereby preventing the sludge from separating from the horizontal part of the L-shaped flap 43 during the pressing process, thereby ensuring the efficiency of pressing and dehydrating and the integrity of the sludge put in later.

[0048] Furthermore, the sludge after pre-drainage is in the form of flat blocks, thereby increasing the contact area between the sludge and the horizontal surface of the L-shaped flap 43, so that the heat generated by the electromagnet 45 can be transferred to the sludge on the horizontal surface of the L-shaped flap 43 to the maximum extent, further improving the efficiency of sludge preheating and drying. At the same time, the sludge pressed into flat blocks can be thrown into the inner tube 2 as a whole when thrown by the L-shaped flap 43, avoiding the splashing of dispersed sludge during the throwing process.

[0049] It should be noted that according to Figure 3 The surface of the horizontal part of the L-shaped flap 43 is high on both sides and low in the middle, and the pressing plate 53 fits with the L-shaped flap 43, so that when the sludge is pressed, its moisture can be quickly concentrated to the drain port 61 and then collected into the inside of the water collecting tank 62.

[0050] Embodiment three:

[0051] A hot air blower 7 is fixed to the top of the inner cavity of the closed cover 4, an inner rod 71 is fixed to the side of the hot air blower 7 close to the outer cylinder 11, a receiving groove 72 is provided at the end of the inner rod 71 away from the hot air blower 7, a second spring 73 is fixed to the inner wall of the receiving groove 72 close to the inner rod 71, a scraper 74 is fixed to one end of the second spring 73, the scraper 74 is slidably connected to the inner rod 71, a cross groove 8 is provided on the side of the connecting rod 32 away from the first cylinder 31, a cross baffle 81 is slidably connected inside the cross groove 8, a threaded cover 82 is connected to the external thread of the end of the connecting rod 32 away from the interception frame 3, and the cross baffle 81 is staggered with the spiral scraper 23;

[0052] On the basis of the first and second embodiments, after the sludge is put into the inner cylinder 2, it falls on the bottom of the inner cylinder 2, and with the rotation of the inner cylinder 2 and the spiral lifting plate 23, the sludge is slowly transported toward the interception frame 3. During the transportation process, the hot air blower 7 is started by the controller, so that the hot air blower 7 blows hot air into the inner cylinder 2, and completes the drying operation of the sludge through heat exchange between the hot air and the sludge;

[0053] Specifically, as the sludge just enters the inner tube 2, the sludge has the most water at this stage, and will adhere to the inner wall of the inner tube 2, and turn over with the rotation of the inner tube 2, and gradually approach the scraper 74, until the sludge attached to the inner wall of the inner tube 2 turns over to the scraper 74, and is scraped by the scraper 74, so that the sludge attached to the inner wall of the inner tube 2 falls off, thereby ensuring that the sludge can be smoothly transported to one side of the interception frame 3 under the action of the rotation of the spiral scraper 23, and gradually dried and discharged during the transportation process;

[0054] Furthermore, the present invention can continuously feed sludge. During the continuous feeding process, the first cylinder 31 will be continuously started, and then the first cylinder 31 will continuously drive the connecting rod 32 to push out and return toward the bottom of the inner tube 2, and then the connecting rod 32 will reciprocate inside the inner tube 2. During the lifting process, the connecting rod 32 drives the cross baffle 81 to rise and fall synchronously. As the cross baffle 81 is continuously lifted and lowered inside the inner tube 2, the height of the cross baffle 81 is continuously changed;

[0055] When the connecting rod 32 is in the process of rising, it will drive the cross baffle 81 to rise, and make the top of the vertical part of the cross baffle 81 abut against the top of the inner cavity of the inner tube 2, and the cross baffle 81 will scrape the top of the inner cavity of the inner tube 2, so that the sludge blocks in the area of ​​the spiral scraper 23 will not be adhered to the inner wall of the inner tube 2, and the scraped sludge blocks will be blocked by the horizontal part of the cross baffle 81, and will be broken and fall, so that the large sludge will gradually be decomposed into small pieces;

[0056] When the connecting rod 32 is in the process of descending, it will drive the cross baffle 81 to descend synchronously, so that the bottom of the vertical part of the cross baffle 81 is against the bottom of the inner cavity of the inner tube 2. At this time, the small sludge blocks in the area of ​​the spiral lifting plate 23 inside the inner tube 2 are in a rotating forward state during the transportation process. When encountering the obstruction of the cross baffle 81, they will regularly move, and then the sludge blocks will be spread. The spread sludge blocks can increase the area of ​​contact with the hot air in the inner tube 2, thereby improving the effect of hot air drying sludge in the inner tube 2.

[0057] It should be noted that the length of the vertical part of the cross baffle 81 is less than the inner diameter length of the spiral stirring plate 23, thereby ensuring that the cross baffle 81 inside the inner cylinder 2 will not affect the rotation of the spiral stirring plate 23, and when installing and disassembling, the cross baffle 81 can directly penetrate inside the spiral stirring plate 23. At the same time, according to Figure 8 as shown, a plurality of limiting springs with uniform length elasticity are placed at intervals inside the cross groove 8 to adapt to the spacing of the spiral stirring plate 23. When it is necessary to change the spacing of each block of the cross baffle 81 or clean it, the locking of the connecting rod 32 by the threaded cover 82 can be released, and the cross baffle 81 and the limiting spring can be taken out from the inside of the cross groove 8 and replaced;

[0058] A plate-type heating tube can be optionally installed inside the heating space 21. When the moisture content of the sludge to be dried is too high, the plate-type heating tube can be started simultaneously to assist in heating the outer wall of the inner cylinder 2, thereby improving the efficiency of the inner cylinder 2 in drying the sludge. Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An agricultural and forestry waste treatment and utilization device, including a base (1), a bracket is fixed on the top of the base (1), and an outer cylinder (11) is fixed on the top of the bracket. One side of the top of the base (1) is fixed with a motor (12), and it is characterized in that: An inner cylinder (2) is rotatably connected inside the outer cylinder (11), and the sandwich space between the inner cylinder (2) and the outer cylinder (11) serves as a heating space (21). A gear disk (22) is fixed on one side of the inner cylinder (2) close to the motor (12), and the gear disk (22) meshes with the inner cylinder (2). A spiral stirring plate (23) is fixed on the inner wall of the inner cylinder (2). An interception assembly for intercepting hot air is provided on one side of the outer cylinder (11) close to the heating space (21), and a feeding assembly for feeding materials is provided on the side of the outer cylinder (11) away from the heating space (21).

2. An agricultural and forestry waste treatment and utilization device according to claim 1, characterized in that: The interception assembly includes an interception frame (3). The interception frame (3) is fixed to the outer cylinder (11) by bolts. An installation frame (301) is fixed to the top of the inner cavity of the interception frame (3). A first cylinder (31) is fixed inside the installation frame (301). A connecting rod (32) is fixed to the output shaft of the first cylinder (31). A suspension rope (33) is fixed to the surface of the connecting rod (32) close to the first cylinder (31). A vertical frame (34) is fixed to one side of the top of the outer cylinder (11) away from the interception frame (3). A screw rod (35) is slidably connected inside the vertical frame (34). The suspension rope (33) passes through the interception frame (3) and is slidably connected to the screw rod (35). A closing plate (36) is fixed to the bottom of the end of the suspension rope (33) away from the interception frame (3).

3. An agricultural and forestry waste treatment and utilization device according to claim 2, characterized in that: The feeding assembly includes a closing cover (4). The closing cover (4) is hinged to one end of the outer cylinder (11) away from the interception frame (3). A feeding frame (41) is fixed to the side of the closing cover (4) away from the outer cylinder (11), and the feeding frame (41) communicates with the closing cover (4). A fixed shaft (42) is fixed to the bottom of the inner cavity of the feeding frame (41) close to the outer cylinder (11). An L-shaped flap (43) is rotatably connected to the outside of the fixed shaft (42). Built-in grooves (44) are formed on both sides of the bottom of the horizontal part of the L-shaped flap (43). Electromagnets (45) are fixed inside the built-in grooves (44). A first spring (46) is fixed to the side of the vertical part of the L-shaped flap (43) close to the closing cover (4), and one end of the first spring (46) is fixed to the bottom plate of the inner cavity of the closing cover (4).

4. An agricultural and forestry waste treatment and utilization device according to claim 3, characterized in that: A second cylinder (5) is fixed to the top of the feeding frame (41). A connecting plate (51) is fixed to the output shaft of the second cylinder (5). A pull rod (52) is fixed to the bottom of one side of the connecting plate (51). The bottom end of the pull rod (52) passes through the top of the feeding frame (41), and a pressing plate (53) is fixed to the bottom of the pull rod (52). An L-shaped baffle (54) is slidably connected to the side of the pressing plate (53) away from the pull rod (52).

5. An agricultural and forestry waste treatment and utilization device according to claim 4, characterized in that: A flow-through groove (6) is formed in the middle of the bottom end of the horizontal part of the L-shaped flap (43). A drain port (61) is formed in the middle of the horizontal part of the L-shaped flap (43), and the drain port (61) communicates with the flow-through groove (6). A water collecting tank (62) is fixed to the bottom of the feeding rack (41). A notch is formed in the bottom of the feeding rack (41), and the water collecting tank (62) communicates with the flow-through groove (6) through the notch.

6. The agroforestry waste treatment and utilization equipment according to claim 5, characterized in that: A hot air blower (7) is fixed to the top of the inner cavity of the closed cover (4). An inner rod (71) is fixed to the side of the hot air blower (7) close to the outer cylinder (11).

7. An agricultural and forestry waste treatment and utilization device according to claim 6, characterized in that: A storage groove (72) is formed at the end of the inner rod (71) away from the hot air blower (7). A second spring (73) is fixed to the inner wall of the storage groove (72) on the side close to the inner rod (71). One end of the second spring (73) is fixed to a scraping plate (74), and the scraping plate (74) is slidably connected to the inner rod (71).

8. An agricultural and forestry waste treatment and utilization device according to claim 7, characterized in that: A cross groove (8) is formed on the side of the connecting rod (32) away from the first cylinder (31). A cross baffle (81) is slidably connected inside the cross groove (8). A threaded cover (82) is threadedly connected to the outside of the end of the connecting rod (32) away from the intercepting rack (3). The cross baffle (81) is arranged in a staggered manner with the spiral stirring plate (23).

9. An agricultural and forestry waste treatment and utilization device according to claim 8, characterized in that: Cords (37) are fixed to both ends of the top of the closing plate (36), and the cords (37) are fixed to the top of the inner cavity of the closed cover (4). The suspension ropes (33) pass through the tops of the intercepting rack (3) and the closed cover (4) respectively.

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