Biological organic fertilizer tunnel drying equipment

Abstract

The invention provides biological organic fertilizer tunnel drying equipment, and relates to the technical field of fertilizer drying, the biological organic fertilizer tunnel drying equipment comprises an equipment side base, a drying tunnel assembly and a feeding and screening assembly, the drying tunnel assembly is fixedly installed in the middle of a drying air duct frame, and the feeding and screening assembly is fixedly installed at the upper end of the drying tunnel assembly; according to the organic fertilizer drying device, firstly, produced organic fertilizer is subjected to vibration screening from the feeding screening assembly, due to the fact that undried waste is still very humid and soft, the waste is shaken open through vibration of the feeding screening assembly and enters the drying tunnel assembly, then a feeding driving motor is started, and a second feeding driving disc at the output end of the feeding driving motor drives a driving belt to drive the organic fertilizer to be dried; and a first feeding driving disc can be driven to rotate, so that the interior of the drying tunnel assembly can be driven to rotate, the fertilizer is driven to move in the drying tunnel assembly, and meanwhile, a drying air heater is started to blow dry hot air into the drying tunnel assembly through a first drying air pipe and a second drying air pipe to dry the fertilizer.

Description

Technical Field

[0001] The invention relates to the technical field of fertilizer drying, in particular to a biological organic fertilizer tunnel drying device. Background Art

[0002] Organic fertilizer refers to a type of fertilizer that contains organic matter and can provide a variety of inorganic and organic nutrients for crops, as well as fertilize and improve the soil. Most of them are farmyard manures made by farmers using local materials, and a small portion are commercial fertilizers. The full and reasonable use of organic fertilizers can increase crop yields, improve soil fertility, improve the quality of agricultural products, and increase the effectiveness of soil nutrients. In the production and processing of organic biofertilizers, the fertilizers need to be dried before they can be packaged to prevent internal mold. However, existing fertilizer drying equipment generally uses batch feeding equipment for drying, which will result in time intervals, greatly affecting the efficiency of fertilizer production and processing. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a biological organic fertilizer tunnel drying device, which solves the problems raised in the background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a biological organic fertilizer tunnel drying device, comprising a device side base, a drying tunnel assembly and a feed screening assembly, a drying air duct frame is fixedly installed in the middle of the device side base, the drying tunnel assembly is fixedly installed in the middle of the drying air duct frame, and the feed screening assembly is fixedly installed at the upper end of the drying tunnel assembly; Two first drying ducts are fixedly installed in the drying duct frame, and two second drying ducts are also fixedly installed in the drying duct frame. An electrical component bottom plate is fixedly installed in the middle of the equipment side base, and a drying hot air blower is fixedly installed on the upper end of the electrical component bottom plate.

[0005] Preferably, the air outlet of the drying hot air blower is connected to two first drying air ducts and a second drying air duct.

[0006] Preferably, one end of the drying tunnel assembly is coaxially fixedly connected to a first feed drive disk, a drive belt is rotatably sleeved on the first feed drive disk, and a second feed drive disk is arranged at the lower end of the drive belt; A feed drive motor is also fixedly mounted on the upper end of the bottom plate of the electrical component.

[0007] Preferably, the second feed drive disk is fixedly mounted on the front end of the output shaft of the feed drive motor.

[0008] Preferably, the drying tunnel assembly includes: a feed side tube, a feed funnel, a discharge plug tube, a discharge side tube, a discharge discharge pipe opening, a main air duct, a branch air duct, a feed sealing cover, a tumbling mesh cover tube, a feed auger, and a feed guide pipe; The upper end of the feed side tube is integrated with a feed funnel, the lower end of the feed funnel is connected to a feed guide tube, one end of the feed side tube is rotatably mounted with a rolling net cover tube, one end of the rolling net cover tube is rotatably provided with a discharge plug tube, the outer end of the discharge plug tube is integrated with a discharge side tube, and the lower end of the discharge side tube is integrated with a discharge discharge pipe opening; A feed sealing cover is arranged on one side of the feed side tube, and a main air duct is arranged between the feed sealing cover and the discharge plug tube and on the outside of the rolling mesh cover tube. A plurality of branch air ducts are integrated at the outer end of the main air duct, and a feed auger is fixedly installed on the inner wall of the rolling mesh cover tube.

[0009] Preferably, a mesh cover tube side plate is fixedly installed at one end of the tumbling mesh cover tube, a side plate bevel gear ring is fixedly installed on the outer end surface of the mesh cover tube side plate, a bevel gear shaft fixing plate seat is fixedly installed on the bottom end of the inner wall of the feed side tube, and a double-headed bevel gear shaft is rotatably installed on the bevel gear shaft fixing plate seat.

[0010] Preferably, both ends of the double-headed bevel gear shaft are coaxially and integrally provided with end bevel gears, one of the end bevel gears is meshed with the side plate bevel gear ring, an active drive bevel gear is rotatably mounted on the feed side tube, a bevel gear connecting shaft is coaxially fixedly mounted on the inner end of the active drive bevel gear, and the other end bevel gear is meshed with the bevel gear connecting shaft.

[0011] Preferably, a sealing cover fixing back plate is fixedly installed on the outer surface of the feed side cylinder, a sealing oil chamber back plate is fixedly installed on the outer side of the rolling mesh cover cylinder and located inside the feed sealing cover, a plurality of first oil chamber pull bolts are arranged on the sealing oil chamber back plate, and a sealing oil chamber cover is fixedly arranged on the sealing oil chamber back plate through the first oil chamber pull bolts; The sealing cover fixed back plate is provided with a plurality of second oil chamber pull bolts, and the sealing cover fixed back plate is fixedly connected to the sealing oil chamber back plate through the sealing cover fixed back plate; The inner end of the discharge plug tube is integrally provided with a side tube extension tube, the outer side of the side tube extension tube is integrally provided with a limiting clamp ring, and the outer surface of the rolling mesh cover tube is installed with a mesh cover tube limiting ring and is arranged in the limiting clamp ring.

[0012] Preferably, the feed screening assembly comprises: a feed screening hopper, a vibration screening chute, a vibration screen, a screen bottom plate, a vibration upper shaft, a vibration motor mounting plate, a vibration motor, a vibration motor disc, a disc rotating shaft, and a vibration drive arm; Vibration screening chutes are provided on both sides of the feed screening hopper, a vibration screen is slidably arranged in the vibration screening chutes, a screen bottom plate is integrated at the lower end of the vibration screen, a vibration upper shaft is arranged at the lower end of the screen bottom plate, and a vibration driving arm is rotatably installed at the lower end of the vibration upper shaft; A vibration motor mounting plate is fixedly mounted on one side surface of the feed screening hopper, a vibration motor is fixedly mounted on the lower end of the vibration motor mounting plate, a vibration motor disc is coaxially fixedly mounted on the output shaft of the vibration motor, and a disc rotating shaft is fixedly mounted on the edge of the upper end surface of the vibration motor disc.

[0013] Preferably, the disc shaft is rotatably connected to the vibration drive arm at the upper end.

[0014] The present invention provides a biological organic fertilizer tunnel drying device, which has the following beneficial effects: (1) The present invention firstly vibrates and screens the prepared organic fertilizer through a feed screening assembly. Since the undried waste is still very wet and soft, it is shaken open by the vibration of the feed screening assembly and enters the drying tunnel assembly. Then, the feed drive motor is started, and the second feed drive disc at the output end of the feed drive motor drives the drive belt, thereby driving the first feed drive disc to rotate, thereby driving the inside of the drying tunnel assembly to rotate, driving the fertilizer to move in the drying tunnel assembly, and at the same time, starting the drying hot air blower to blow dry hot air into the drying tunnel assembly through the first drying air duct and the second drying air duct to dry the fertilizer. (2) The present invention guides the feed into the feed guide pipe from the feed hopper and into the tumbling net cover cylinder, and then drives the first feed drive disk to drive the active driving bevel gear coaxially to drive the bevel gear connecting shaft to rotate, so as to engage one of the end bevel gears, and through the coaxial transmission of the double-headed bevel gear shaft, the other end bevel gear engages the side plate bevel gear ring to rotate, thereby driving the side plate of the net cover cylinder to rotate and the tumbling net cover cylinder to rotate, and then the hot air introduced through the first drying air duct and the second drying air duct passes through the air guide branch air duct and the air guide main air duct to dry the fertilizer inside the tumbling net cover cylinder; (3) When the tumbling net cover cylinder rotates, the present invention can tighten the joint between the sealing cover fixed back plate and the sealing oil chamber back plate through the second oil chamber pull bolt, tighten the joint between the sealing oil chamber back plate and the sealing oil chamber cover through the first oil chamber pull bolt, and inject sealing oil between the sealing oil chamber back plate and the sealing oil chamber cover to prevent the internal high-temperature gas from overflowing; (4) The present invention drives the vibration motor disc at the upper end to rotate through a vibration motor, and drives the vibration drive arm connected to the upper edge of the vibration motor disc to drive the vibration upper shaft at the upper end to link the screen bottom plate to slide, thereby enabling the vibration screen to vibrate in the vibration screening chute, so that the fertilizer is dispersed and dried conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of another viewing angle in the present invention; Figure 3 It is a schematic diagram of the structure of the drying tunnel assembly in the present invention; Figure 4 It is a front view structural schematic diagram of the drying tunnel assembly in the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the cross-sectional structure along line aa; Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure at A in the middle; Figure 7 For the present invention Figure 5 A schematic diagram of the enlarged structure at B in the middle; Figure 8 It is a structural schematic diagram of the feed screening assembly in the present invention; Fig. 9 It is a structural schematic diagram of the feed screening assembly in the present invention from another perspective; Fig.10 For the present invention Fig. 9 Schematic diagram of the enlarged structure at point C in the middle.

[0016] Among them, 1. Equipment side base; 2. Electrical component bottom plate; 3. Drying air duct frame; 4. Drying tunnel assembly; 401. Feed side tube; 402. Feed funnel; 403. Discharge plug tube; 404. Discharge side tube; 405. Discharge discharge pipe; 406. Air guide main air duct; 407. Air guide branch air duct; 408. Feed sealing cover; 409. Tumbling mesh cover tube; 410. Feed auger; 411. Sealing cover fixed back plate; 412. Sealing oil chamber back plate; 413. Sealing oil chamber cover; 414. First oil chamber pull bolt; 415. Second oil chamber pull bolt; 416. Mesh cover tube side plate; 417. Side plate bevel gear ring; 418. Bevel gear shaft fixed plate seat; 419. Feed guide pipe; 420. Double head Bevel gear shaft; 421, end bevel gear; 422, active drive bevel gear; 423, bevel gear connecting shaft; 424, mesh cover tube limiting ring; 425, side tube extension tube; 426, limiting clamp ring; 5, feed screening assembly; 501, feed screening hopper; 502, vibration screening chute; 503, vibration screen; 504, screen bottom plate; 505, vibration upper shaft; 506, vibration motor mounting plate; 507, vibration motor; 508, vibration motor disc; 509, disc rotating shaft; 510, vibration drive support arm; 6, drying hot air blower; 7, first drying air duct; 8, second drying air duct; 9, first feed drive disc; 10, drive belt; 11, second feed drive disc; 12, feed drive motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1 to Figure 2 As shown, an embodiment of the present invention provides a biological organic fertilizer tunnel drying device, including a device side base 1, a drying tunnel component 4 and a feed screening component 5, wherein a drying air duct frame 3 is fixedly installed in the middle of the device side base 1, the drying tunnel component 4 is fixedly installed in the middle of the drying air duct frame 3, and the feed screening component 5 is fixedly installed on the upper end of the drying tunnel component 4; two first drying air ducts 7 are fixedly installed in the drying air duct frame 3, and two second drying air ducts 8 are also fixedly installed in the drying air duct frame 3, and the useful electrical part is fixedly installed in the middle of the device side base 1 The electrical component bottom plate 2 is provided with a drying hot air blower 6 fixedly mounted on the upper end of the electrical component bottom plate 2, and the air outlet of the drying hot air blower 6 is connected to two first drying air ducts 7 and a second drying air duct 8. One end of the drying tunnel component 4 is coaxially fixedly connected with a first feed drive disk 9, a drive belt 10 is rotatably sleeved on the first feed drive disk 9, and a second feed drive disk 11 is arranged at the lower end of the drive belt 10; a feed drive motor 12 is also fixedly mounted on the upper end of the electrical component bottom plate 2, and the second feed drive disk 11 is fixedly mounted on the front end of the output shaft of the feed drive motor 12.

[0019] In the above technical scheme, the prepared organic fertilizer is first vibrated and screened through the feed screening component 5. Since the undried waste is still very moist and soft, it is shaken open by the vibration of the feed screening component 5 and enters the drying tunnel component 4. Then, the feed drive motor 12 is started, and the drive belt 10 is driven by the second feed drive disk 11 at the output end of the feed drive motor 12, so that the first feed drive disk 9 can be driven to rotate, thereby driving the drying tunnel component 4 to rotate inside and drive the fertilizer to move in the drying tunnel component 4. At the same time, the drying hot air blower 6 is turned on to blow dry hot air into the drying tunnel component 4 through the first drying air duct 7 and the second drying air duct 8 to dry the fertilizer.

[0020] like Figure 1 , Figures 3 to 7As shown, the drying tunnel assembly 4 includes: a feed side tube 401, a feed funnel 402, a discharge plug tube 403, a discharge side tube 404, a discharge discharge pipe opening 405, an air guide main duct 406, an air guide branch duct 407, a feed sealing cover 408, a tumbling net cover tube 409, a feed auger 410, and a feed guide tube 419; the upper end of the feed side tube 401 is integrally provided with a feed funnel 402, the lower end of the feed funnel 402 is connected to a feed guide tube 419, one end of the feed side tube 401 is rotatably mounted with a tumbling net cover tube 409, one end of the tumbling net cover tube 409 is rotatably provided with a discharge plug tube 403, and the outer end of the discharge plug tube 403 is integrally provided with a discharge Side tube 404, the lower end of the discharging side tube 404 is integrally provided with a discharging discharge pipe opening 405; one side of the feeding side tube 401 is provided with a feeding sealing cover 408, and a main air duct 406 is provided between the feeding sealing cover 408 and the discharging plug tube 403 and on the outside of the rolling mesh cover tube 409, and a plurality of air duct branch ducts 407 are integrally provided on the outer end of the main air duct 406, a feeding auger 410 is fixedly installed on the inner wall of the rolling mesh cover tube 409, a mesh cover tube side plate 416 is fixedly installed at one end of the rolling mesh cover tube 409, and a side plate bevel gear ring 417 is fixedly installed on the outer end surface of the mesh cover tube side plate 416, and a bevel gear ring 417 is fixedly installed on the bottom end of the inner wall of the feeding side tube 401 The shaft fixing plate seat 418 has a double-headed bevel gear shaft 420 rotatably mounted on the bevel gear shaft fixing plate seat 418. Both ends of the double-headed bevel gear shaft 420 are coaxially and integrally provided with end bevel gears 421, one of which is meshed with the side plate bevel gear ring 417. An active driving bevel gear 422 is rotatably mounted on the feed side tube 401. A bevel gear connecting shaft 423 is coaxially and fixedly mounted on the inner end of the active driving bevel gear 422. The other end bevel gear 421 is meshed with the bevel gear connecting shaft 423. A sealing cover fixing back plate 411 is fixedly mounted on the outer surface of the feed side tube 401. A sealing cover fixing back plate 411 is fixedly mounted on the outer side of the tumbling mesh cover tube 409 and located inside the feed sealing cover 408. The sealing oil chamber back plate 412 is provided with a plurality of first oil chamber pull bolts 414, and the sealing oil chamber back plate 412 is fixedly provided with a sealing oil chamber cover 413 through the first oil chamber pull bolts 414; the sealing cover fixed back plate 411 is provided with a plurality of second oil chamber pull bolts 415, and the sealing cover fixed back plate 411 is fixedly connected with the sealing oil chamber back plate 412 through the sealing cover fixed back plate 411; the inner end of the discharge plug cylinder 403 is integrated with a side cylinder extension tube 425, and the outer side of the side cylinder extension tube 425 is integrated with a limiting clamp ring 426, and the outer surface of the rolling mesh cover cylinder 409 is installed with a mesh cover cylinder limiting ring 424 and is arranged in the limiting clamp ring 426.

[0021] In the above technical scheme, the feed enters the feed guide tube 419 from the feed hopper 402 and is guided into the tumbling net cover cylinder 409. Then, the first feed drive disk 9 drives the active driving bevel gear 422 to coaxially drive the bevel gear connecting shaft 423 to rotate, so that one of the end bevel gears 421 can be meshed. Through the coaxial transmission of the double-headed bevel gear shaft 420, the other end bevel gear 421 meshes with the side plate bevel gear ring 417 to rotate, thereby driving the net cover cylinder side plate 416 to rotate and causing the tumbling net cover cylinder 409 to rotate. Then, the hot air introduced through the first drying air duct 7 and the second drying air duct 8 passes through the air guide branch air duct 407 and the air guide main air duct 406 to dry the fertilizer inside the tumbling net cover cylinder 409. When the rolling mesh cover cylinder 409 rotates, the second oil chamber pull bolt 415 can be used to tighten the joint between the sealing cover fixed back plate 411 and the sealing oil chamber back plate 412, and the first oil chamber pull bolt 414 can be used to tighten the joint between the sealing oil chamber back plate 412 and the sealing oil chamber cover 413, and sealing oil can be injected between the sealing oil chamber back plate 412 and the sealing oil chamber cover 413 to prevent the internal high-temperature gas from overflowing.

[0022] like Figure 1 , Figures 8 to 10 As shown, the feed screening component 5 includes: a feed screening hopper 501, a vibration screening chute 502, a vibration screen 503, a screen bottom plate 504, a vibration upper shaft 505, a vibration motor mounting plate 506, a vibration motor 507, a vibration motor disc 508, a disc rotating shaft 509, and a vibration drive support arm 510; vibration screening chutes 502 are provided on both sides of the feed screening hopper 501, and a vibration screen 503 is slidably arranged in the vibration screening chute 502, and a screen bottom plate 504 is integrated at the lower end of the vibration screen 503, and the screen bottom plate A vibrating upper shaft 505 is provided at the lower end of 504, and a vibrating driving arm 510 is rotatably mounted on the lower end of the vibrating upper shaft 505; a vibrating motor mounting plate 506 is fixedly mounted on the surface of one side of the feeding screening hopper 501, a vibrating motor 507 is fixedly mounted on the lower end of the vibrating motor mounting plate 506, a vibrating motor disc 508 is coaxially fixedly mounted on the output shaft of the vibrating motor 507, a disc rotating shaft 509 is fixedly mounted on the upper end surface edge of the vibrating motor disc 508, and the disc rotating shaft 509 is rotatably connected to the vibration driving arm 510 at the upper end.

[0023] In the above technical solution, the vibration motor disc 508 at the upper end is driven to rotate by the vibration motor 507, and the vibration driving arm 510 connected to the upper edge of the vibration motor disc 508 is driven to drive the upper vibration upper shaft 505 to slide in conjunction with the screen bottom plate 504, so that the vibration screen 503 can vibrate in the vibration screening chute 502, so that the fertilizer is dispersed and dried conveniently.

[0024] Working principle: The present invention firstly vibrates and screens the prepared organic fertilizer from the feed screening component 5. Since the undried waste is still very wet and soft, it is shaken open by the vibration of the feed screening component 5 and enters the drying tunnel component 4. Then, the feed drive motor 12 is started, and the second feed drive disc 11 at the output end of the feed drive motor 12 drives the drive belt 10, thereby driving the first feed drive disc 9 to rotate, thereby driving the inside of the drying tunnel component 4 to rotate, and driving the fertilizer to move in the drying tunnel component 4. At the same time, the drying hot air blower 6 is turned on to blow dry hot air into the drying tunnel component 4 through the first drying air duct 7 and the second drying air duct 8 to dry the fertilizer. The feed funnel 402 enters the feed guide tube 419 and is guided into the tumbling net cover cylinder 409. Then, the first feed drive disk 9 drives the active driving bevel gear 422 to coaxially drive the bevel gear connecting shaft 423 to rotate, thereby engaging one of the end bevel gears 421. The double-headed bevel gear shaft 420 is coaxially driven, and the other end bevel gear 421 engages the side plate bevel gear ring 417 to rotate, thereby driving the net cover cylinder side plate 416 to rotate and causing the tumbling net cover cylinder 409 to rotate. Then, the hot air introduced through the first drying air duct 7 and the second drying air duct 8 passes through the air guide branch air duct 407 and the air guide main air duct 406 to dry the fertilizer inside the tumbling net cover cylinder 409. When the tumbling net cover cylinder 409 rotates, the joint between the sealing cover fixed back plate 411 and the sealing oil chamber back plate 412 can be tightened through the second oil chamber pull bolt 415, the joint between the sealing oil chamber back plate 412 and the sealing oil chamber cover 413 can be tightened through the first oil chamber pull bolt 414, and sealing oil can be injected between the sealing oil chamber back plate 412 and the sealing oil chamber cover 413 to prevent the internal high-temperature gas from overflowing; Among them, the vibration motor disc 508 at the upper end is driven to rotate by the vibration motor 507, and the vibration driving support arm 510 connected to the upper edge of the vibration motor disc 508 is driven to drive the upper vibration upper shaft 505 to slide in conjunction with the screen bottom plate 504, so that the vibration screen 503 can vibrate in the vibration screening chute 502, so that the fertilizer is dispersed and dried conveniently.

[0025] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A biological organic fertilizer tunnel drying device, comprising a device side base (1), a drying tunnel component (4) and a feed screening component (5), characterized in that: A drying duct frame (3) is fixedly mounted in the middle of the equipment side base (1); the drying tunnel assembly (4) is fixedly mounted in the middle of the drying duct frame (3); and the feed screening assembly (5) is fixedly mounted on the upper end of the drying tunnel assembly (4); Two first drying ducts (7) are fixedly installed in the drying duct frame (3), and two second drying ducts (8) are also fixedly installed in the drying duct frame (3). An electrical component bottom plate (2) is fixedly installed in the middle of the equipment side base (1), and a drying hot air blower (6) is fixedly installed on the upper end of the electrical component bottom plate (2).

2. A biological organic fertilizer tunnel drying equipment according to claim 1, characterized in that: The air outlet of the drying hot air blower (6) is connected to two first drying air ducts (7) and a second drying air duct (8).

3. A biological organic fertilizer tunnel drying equipment according to claim 2, characterized in that: One end of the drying tunnel assembly (4) is coaxially fixedly connected to a first feed drive disk (9), a drive belt (10) is rotatably sleeved on the first feed drive disk (9), and a second feed drive disk (11) is arranged at the lower end of the drive belt (10); A feed drive motor (12) is also fixedly mounted on the upper end of the electrical component bottom plate (2).

4. A biological organic fertilizer tunnel drying equipment according to claim 3, characterized in that: The second feed drive disc (11) is fixedly mounted on the front end of the output shaft of the feed drive motor (12).

5. A biological organic fertilizer tunnel drying equipment according to claim 4, characterized in that: The drying tunnel assembly (4) comprises: a feed side tube (401), a feed funnel (402), a discharge plug tube (403), a discharge side tube (404), a discharge discharge pipe opening (405), an air guide main duct (406), an air guide branch duct (407), a feed sealing cover (408), a tumbling mesh cover tube (409), a feed auger (410), and a feed guide pipe (419); The upper end of the feed side tube (401) is integrally provided with a feed funnel (402), the lower end of the feed funnel (402) is connected to a feed guide tube (419), one end of the feed side tube (401) is rotatably mounted with a rolling net cover tube (409), one end of the rolling net cover tube (409) is rotatably provided with a discharge plug tube (403), the outer end of the discharge plug tube (403) is integrally provided with a discharge side tube (404), and the lower end of the discharge side tube (404) is integrally provided with a discharge discharge pipe opening (405); A feed sealing cover (408) is provided on one side of the feed side tube (401), and a main air duct (406) is provided between the feed sealing cover (408) and the discharge plug tube (403) and located outside the rolling mesh cover tube (409). A plurality of branch air ducts (407) are integrally provided at the outer end of the main air duct (406), and a feed auger (410) is fixedly installed on the inner wall of the rolling mesh cover tube (409).

6. A biological organic fertilizer tunnel drying equipment according to claim 5, characterized in that: A mesh cover tube side plate (416) is fixedly mounted on one end of the tumbling mesh cover tube (409), a side plate bevel gear ring (417) is fixedly mounted on the outer end surface of the mesh cover tube side plate (416), a bevel gear shaft fixing plate seat (418) is fixedly mounted on the bottom end of the inner wall of the feed side tube (401), and a double-headed bevel gear shaft (420) is rotatably mounted on the bevel gear shaft fixing plate seat (418).

7. A biological organic fertilizer tunnel drying equipment according to claim 6, characterized in that: Both ends of the double-headed bevel gear shaft (420) are coaxially and integrally provided with end bevel gears (421), one of which is meshed with the side plate bevel gear ring (417), an active driving bevel gear (422) is rotatably mounted on the feed side tube (401), a bevel gear connecting shaft (423) is coaxially and fixedly mounted on the inner end of the active driving bevel gear (422), and the other end bevel gear (421) is meshed with the bevel gear connecting shaft (423).

8. The biological organic fertilizer tunnel drying equipment according to claim 7, characterized in that: A sealing cover fixing back plate (411) is fixedly installed on the outer surface of the feed side tube (401), a sealing oil chamber back plate (412) is fixedly installed on the outer side of the rolling net cover tube (409) and located inside the feed sealing cover (408), a plurality of first oil chamber pull bolts (414) are arranged on the sealing oil chamber back plate (412), and a sealing oil chamber cover (413) is fixedly arranged on the sealing oil chamber back plate (412) via the first oil chamber pull bolts (414); A plurality of second oil chamber pull bolts (415) are provided on the sealing cover fixed back plate (411), and the sealing cover fixed back plate (411) is fixedly connected to the sealing oil chamber back plate (412) via the sealing cover fixed back plate (411); The inner end of the discharge plug tube (403) is integrally provided with a side tube extension tube (425), the outer side of the side tube extension tube (425) is integrally provided with a limit clamping ring (426), and the outer surface of the rolling net cover tube (409) is provided with a net cover tube limit ring (424) and is arranged inside the limit clamping ring (426).

9. The biological organic fertilizer tunnel drying equipment according to claim 8, characterized in that: The feed screening assembly (5) comprises: a feed screening hopper (501), a vibrating screening chute (502), a vibrating screen (503), a screen bottom plate (504), a vibrating upper shaft (505), a vibrating motor mounting plate (506), a vibrating motor (507), a vibrating motor disc (508), a disc rotating shaft (509), and a vibrating drive support arm (510); Vibration screening chutes (502) are provided on both sides of the feed screening hopper (501), a vibration screen (503) is slidably arranged in the vibration screening chutes (502), a screen bottom plate (504) is integrally arranged at the lower end of the vibration screen (503), a vibration upper shaft (505) is arranged at the lower end of the screen bottom plate (504), and a vibration driving support arm (510) is rotatably mounted at the lower end of the vibration upper shaft (505); A vibration motor mounting plate (506) is fixedly mounted on the surface of one side of the feed screening hopper (501); a vibration motor (507) is fixedly mounted on the lower end of the vibration motor mounting plate (506); a vibration motor disc (508) is coaxially fixedly mounted on the output shaft of the vibration motor (507); and a disc rotating shaft (509) is fixedly mounted on the edge of the upper end surface of the vibration motor disc (508).

10. The biological organic fertilizer tunnel drying equipment according to claim 9, characterized in that: The disc rotating shaft (509) is rotatably connected to the vibration driving support arm (510) at the upper end.

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