Agricultural organic waste composting device

Abstract

The utility model relates to the technical field of agricultural machinery, and discloses an agricultural organic waste composting device which comprises an equipment main body, a coupler is driven by a motor to drive a first rotating shaft to rotate, the first rotating shaft synchronously drives main teeth, auxiliary teeth and an inner gear ring to be in meshing transmission in the process, and three groups of auxiliary rotating shafts are driven to be in a rotation and revolution mode; the first rotating shaft drives the rotating disc to rotate, and the connecting rod pulls the sliding block to slide in a reciprocating manner, so that the stirring rod is driven to stir materials in all directions without dead corners, and the materials are uniformly mixed, so that the phenomenon of material layering is avoided, and the basic uniformity of compost fermentation is ensured; the corrugated telescopic pipe can periodically stretch out and draw back to generate pressurized air, the pressurized air is fed into the air cavity and is converted into tiny bubbles through the aeration stone, and oxygen is uniformly conveyed into a material, so that the activity of oxygen microorganisms is guaranteed, the fermentation efficiency is improved, and the phenomena of incomplete fermentation and stink generation caused by local anaerobism are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely is a kind of agricultural organic waste composting device. BACKGROUND

[0002] Agricultural organic waste composting device is a kind of equipment for converting organic waste generated in agricultural production process into organic fertilizer. It is usually made of wood, plastic or metal, with relatively simple structure and certain sealing property. Organic waste can be put into it, and fermentation is promoted by regular turning or adding microbial inoculum.

[0003] The existing composting device usually adopts single-shaft stirring when in use. The stirring rod can only rotate around a single axis, which is difficult to achieve full coverage of the materials in the inner cavity of the device, and is prone to stirring dead angles. As a result, different types of materials such as straw and livestock manure cannot be fully mixed, which further leads to material stratification. Livestock manure with high density tends to deposit at the bottom, while straw with low density tends to float at the surface. This stratification directly disrupts the carbon-nitrogen ratio balance during composting, affecting microbial metabolic activity and becoming a core bottleneck that restricts the uniformity of composting. Therefore, we introduce a kind of agricultural organic waste composting device. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides an agricultural organic waste composting device, which has the advantages of stirring, oxygen supplementing and microbial agent spraying, and solves the problems raised in the above background art.

[0005] The utility model provides following technical scheme: a kind of agricultural organic waste composting device, including equipment main body, the top of the equipment main body is provided with cover plate, the side wall of the equipment main body is installed with motor, the output shaft outer side of the motor is fixedly sleeved with shaft coupling, the inner wall of the shaft coupling is fixedly sleeved with first rotation axis, the outer wall of the first rotation axis is fixedly sleeved with main tooth, the inner wall of the equipment main body is rotatably connected with auxiliary rotation axis, the outer wall of the auxiliary rotation axis is fixedly sleeved with secondary tooth, the inner wall of the equipment main body is fixedly installed with internal tooth ring, the inner wall of the first rotation axis is equipped with air cavity, the inner wall of the first rotation axis is provided with aeration stone, the top of the cover plate is installed with cylinder, the side wall of the cover plate is installed with storage box, the side wall of the equipment main body is equipped with gas collection component and drive component respectively, the gas collection component includes the guide box of equipment main body side wall installation, the inner chamber of the guide box is provided with corrugated expansion pipe, the outer wall of the gas collection component is provided with first air pipe and air throttle valve respectively, the outer wall of the first air pipe is provided with first electromagnetic valve and first check valve respectively, the inner chamber of the cylinder is equipped with spraying component.

[0006] As a preferred technical scheme of the utility model: the vice pivot, the vice tooth are regarded as a group of movable assemblies, and the number of the movable assemblies is three groups, are set up with interval one hundred and twenty degrees circular array respectively, the outer edge one side of three vice teeth and the outer edge gear of main tooth interlaced meshing, and the other side of three vice teeth and the tooth groove of inner tooth ring interlaced meshing, one end of first air pipe is connected with the air outlet end of bellows, and the other end of first air pipe is connected with the air inlet end of air cavity in the inner wall of first pivot, the throttle valve is connected with the air inlet end of bellows.

[0007] As a preferred technical scheme of the utility model: the driving assembly includes the outer wall of the one end of first pivot away from main tooth fixed sleeve and has rotary disc, the outer wall of rotary disc is provided with connecting rod, the inner wall of guide box is provided with sliding block, the outer wall of vice pivot is installed and is stirred pole, the inner wall of stirring pole is connected with magnetic stripe slidingly.

[0008] As a preferred technical scheme of the utility model: one end of connecting rod is rotatably connected with the outer wall of rotary disc, and the other end of connecting rod is rotatably connected with the outer wall of sliding block, the outer wall of sliding block is slidably arranged with the inner wall of guide box.

[0009] As a preferred technical scheme of the utility model: the spraying assembly includes the second air pipe of first air pipe outer wall setting, the outer wall of second air pipe is installed with second electromagnetic valve, the inner wall of cylinder is fixedly installed with annular gasket and fulcrum shaft respectively, the inner chamber of cylinder is provided with piston plate and spraying piece respectively, the outer wall of fulcrum shaft is provided with torsion spring, the outer wall of torsion spring rotatably sleeve has shrinkable rod, the outer wall of shrinkable rod is provided with steel wire rope, the spraying piece includes the pipeline of storage box top setting, the outer wall of pipeline is provided with second check valve, the inner wall of cylinder is provided with third check valve, the bottom of third check valve is installed with spray head.

[0010] As a preferred technical scheme of the utility model: one end of second air pipe is connected with the air outlet end of bellows, and the other end of second air pipe is connected with the air inlet end of cylinder, the piston plate is slidably arranged with the inner wall of cylinder, one end of torsion spring is clamped with the outer wall of fulcrum shaft, and the other end of torsion spring is clamped with the outer wall of shrinkable rod, one end of steel wire rope is connected with the outer wall of piston plate fixedly, and the other end of steel wire rope is wound to the outer wall of shrinkable rod, the third check valve is respectively penetrated in the inner wall of cylinder and cover plate, one end of pipeline is connected with the liquid outlet end of storage box, and the other end of pipeline is connected with the liquid inlet end of cylinder.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The agricultural organic waste composting device, through the motor driving coupling, drives the first rotating shaft to rotate, in the process, the first rotating shaft synchronously drives the main tooth and the secondary tooth, the inner tooth ring meshing transmission, drives the three groups of secondary rotating shafts to the mode of rotation plus revolution, makes it drive the stirring rod to carry out all-around non-dead-angle stirring to the material, further realizes the uniform mixing of the material, avoids the stratification phenomenon of the material, thereby guarantees the uniformity of the composting fermentation basis, simultaneously, the first rotating shaft drives the rotating disc to rotate, utilizes the connecting rod to pull the slider to reciprocate, can realize the periodic expansion and contraction of the corrugated expansion pipe to generate pressurized air, sends into the air cavity and converts into micro air bubbles through the aeration stone, uniformly delivers the oxygen to the inside of the material, further guarantees the oxygen microbial activity, improves the fermentation efficiency, thereby avoids the incomplete fermentation and the phenomenon of producing stench caused by local anaerobic.

[0013] 2. The agricultural organic waste composting device, through another airflow driving the piston plate in the cylinder to slide, makes the piston plate extrude the gas in the cylinder cavity and pull the contraction rod to rotate around the fulcrum shaft when sliding, realizes the automatic extraction and atomization spraying of the microbial agent through the elastic reset of the torsional spring, uniformly sprays the microbial agent to the stirred and loosened material, makes the microbial agent and the material fully contact and penetrate, further improves the microbial agent utilization rate and accelerates the material decomposition, thereby guarantees the stability of the fermentation effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0016] Figure 3 It is the gas collecting structure schematic diagram of the utility model;

[0017] Figure 4 It is the transmission structure schematic diagram of the utility model;

[0018] Figure 5 It is the utility model Figure 2 It is the enlarged structure schematic diagram of A in the utility model;

[0019] Figure 6 It is the enlarged structure schematic diagram of B in the utility model; Figure 4

[0020] ​In the figure: 1, the device main body; 2, the cover plate; 3, the motor; 4, the shaft coupling; 5, the first rotating shaft; 6, the main tooth; 7, the secondary rotating shaft; 8, the secondary tooth; 9, the inner tooth ring; 10, the air cavity; 11, the aeration stone; 12, the cylinder; 13, the storage box; 14, the gas collection assembly; 15, the driving assembly; 16, the spraying assembly; 141, the guide box; 142, the corrugated expansion pipe; 143, the first air pipe; 144, the first electromagnetic valve; 145, the first check valve; 146, the throttle valve; 151, the rotating disc; 152, the connecting rod; 153, the sliding block; 154, the stirring rod; 155, the magnetic stripe; 161, the second air pipe; 162, the second electromagnetic valve; 163, the annular gasket; 164, the piston plate; 165, the fulcrum shaft; 166, the torsional spring; 167, the contraction rod; 168, the steel wire rope; 169, the spraying element; 1691, the pipeline; 1692, the second check valve; 1693, the third check valve; 1694, the spray head. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figure 1 Figure 6 An agricultural organic waste composting device, including a device main body 1, the top of the device main body 1 is provided with a cover plate 2, the sidewall of the device main body 1 is installed with a motor 3, the output shaft outer side of the motor 3 is fixedly sleeved with a shaft coupling 4, the inner wall of the shaft coupling 4 is fixedly sleeved with a first rotating shaft 5, the outer wall of the first rotating shaft 5 is fixedly sleeved with a main tooth 6, the inner wall of the device main body 1 is rotatably connected with a secondary rotating shaft 7, the outer wall of the secondary rotating shaft 7 is fixedly sleeved with a secondary tooth 8, the inner wall of the device main body 1 is fixedly installed with an inner tooth ring 9, the inner wall of the first rotating shaft 5 is provided with an air cavity 10, the inner wall of the first rotating shaft 5 is provided with an aeration stone 11, the top of the cover plate 2 is installed with a cylinder 12, the sidewall of the cover plate 2 is installed with a storage box 13, the sidewall of the device main body 1 is respectively provided with a gas collection assembly 14 and a driving assembly 15, the gas collection assembly 14 includes a guide box 141 installed on the sidewall of the device main body 1, the inner cavity of the guide box 141 is provided with a corrugated expansion pipe 142, the outer wall of the gas collection assembly 14 is respectively provided with a first air pipe 143 and a throttle valve 146, the outer wall of the first air pipe 143 is respectively provided with a first electromagnetic valve 144 and a first check valve 145, the inner cavity of the cylinder 12 is provided with a spraying assembly 16;

[0023] ​In the above structure, the motor 3 is used as a power source to drive the first rotating shaft 5 to rotate through the coupling 4, so that the first rotating shaft 5 drives the main tooth 6 to mesh with the secondary tooth 8 and the inner tooth ring 9 to rotate, and the secondary rotating shaft 7 drives the stirring part to stir. On the other hand, the first rotating shaft 5 drives the driving assembly 15 to work, and then drives the corrugated expansion pipe 142 of the gas collecting assembly 14 to periodically expand and contract to generate pressurized air. The pressurized air is divided into two paths through the first air pipe 143. One path is sent into the air cavity 10 of the first rotating shaft 5 to increase oxygen through the aeration stone 11. The other path is sent into the cylinder 12 to drive the spraying assembly 16 to work, and the fungicide in the storage box 13 is atomized and sprayed into the material.

[0024] In a preferred embodiment: the secondary rotating shaft 7 and the secondary tooth 8 are considered as a group of movable assemblies, and the number of the movable assemblies is three groups, which are arranged in a circular array with a distance of one hundred and twenty degrees. The outer side of the three secondary teeth 8 is staggered with the outer side of the main tooth 6. The other side of the three secondary teeth 8 is staggered with the tooth groove of the inner tooth ring 9. One end of the first air pipe 143 is connected with the air outlet end of the corrugated expansion pipe 142. The other end of the first air pipe 143 penetrates the inner wall of the first rotating shaft 5 and is connected with the air inlet end of the air cavity 10. The throttle valve 146 is connected with the air inlet end of the corrugated expansion pipe 142.

[0025] In the above structure, the motor 3 is used as a power source to drive the first rotating shaft 5 to rotate through the coupling 4, so that the first rotating shaft 5 drives the main tooth 6 to mesh with the secondary tooth 8 and the inner tooth ring 9 to rotate, and the secondary rotating shaft 7 drives the stirring part to stir. On the other hand, the first rotating shaft 5 drives the driving assembly 15 to work, and then drives the corrugated expansion pipe 142 of the gas collecting assembly 14 to periodically expand and contract to generate pressurized air. The pressurized air is divided into two paths through the first air pipe 143. One path is sent into the air cavity 10 of the first rotating shaft 5 to increase oxygen through the aeration stone 11. The other path is sent into the cylinder 12 to drive the spraying assembly 16 to work, and the fungicide in the storage box 13 is atomized and sprayed into the material.

[0026] In one preferred implementation: the driving assembly 15 comprises a rotating disc 151 fixedly sleeved on the outer wall of the first rotating shaft 5 away from the main tooth 6, the outer wall of the rotating disc 151 is provided with a connecting rod 152, the inner wall of the guide box 141 is provided with a sliding block 153, the outer wall of the auxiliary rotating shaft 7 is installed with a stirring rod 154, and the inner wall of the stirring rod 154 is slidably connected with a magnetic strip 155;

[0027] In one preferred implementation: one end of the connecting rod 152 is rotatably connected with the outer wall of the rotating disc 151, and the other end of the connecting rod 152 is rotatably connected with the outer wall of the sliding block 153, and the outer wall of the sliding block 153 is slidably arranged on the inner wall of the guide box 141;

[0028] In the above structure, when the first rotating shaft 5 rotates, the first rotating shaft 5 drives the rotating disc 151 at the end to rotate synchronously, so that the rotating disc 151 pulls the sliding block 153 to reciprocate in the guide box 141 through the connecting rod 152, and the reciprocating movement of the sliding block 153 can drive the bellows 142 to periodically stretch and contract, and when the stirring rod 154 rotates on the auxiliary rotating shaft 7, the metal in the material in the inner cavity of the device will be adsorbed to the surface of the stirring rod 154 by the magnetic strip 155, so as to realize synchronous separation of metal impurities.

[0029] In one preferred implementation: the spraying assembly 16 comprises a second air pipe 161 provided on the outer wall of the first air pipe 143, a second electromagnetic valve 162 installed on the outer wall of the second air pipe 161, an annular gasket 163 and a fulcrum shaft 165 fixedly installed on the inner wall of the cylinder 12 respectively, a piston plate 164 and a spraying piece 169 arranged in the inner cavity of the cylinder 12 respectively, a torsional spring 166 provided on the outer wall of the fulcrum shaft 165, a contraction rod 167 rotatably sleeved on the outer wall of the torsional spring 166, a steel wire rope 168 provided on the outer wall of the contraction rod 167, and the spraying piece 169 comprising a pipeline 1691 provided on the top of the storage box 13, the outer wall of the pipeline 1691 being provided with a second check valve 1692, the inner wall of the cylinder 12 being provided with a third check valve 1693, and the bottom of the third check valve 1693 being installed with a spray head 1694;

[0030] In one preferred implementation: one end of the second air pipe 161 is connected with the air outlet of the bellows 142, and the other end of the second air pipe 161 is connected with the air inlet of the cylinder 12, the piston plate 164 is slidably arranged on the inner wall of the cylinder 12, one end of the torsional spring 166 is clamped with the outer wall of the fulcrum shaft 165, and the other end of the torsional spring 166 is clamped with the outer wall of the contraction rod 167, one end of the steel wire rope 168 is fixedly connected with the outer wall of the piston plate 164, and the other end of the steel wire rope 168 is wound on the outer wall of the contraction rod 167, the third check valve 1693 penetrates the inner walls of the cylinder 12 and the cover plate 2 respectively, one end of the pipeline 1691 is connected with the liquid outlet of the storage box 13, and the other end of the pipeline 1691 is connected with the liquid inlet of the cylinder 12;

[0031] In the above structure, by closing the first electromagnetic valve 144, opening the second electromagnetic valve 162, the gas in the cavity of the corrugated expansion pipe 142 enters the inner cavity of the cylinder 12 through the second gas pipe 161, so that the gas flow pushes the piston plate 164 to slide along the inner wall of the cylinder 12, so that the piston plate 164 slides to pull the contraction rod 167 to rotate around the fulcrum shaft 165 through the steel wire rope 168, at the same time, the torsional spring 166 is twisted and contracted to store elastic potential energy, so that the piston plate 164 compresses the gas space in the cylinder 12 during sliding, when the pressure reaches the preset value, the third one-way valve 1693 is opened, at the same time, the bacteria agent in the inner cavity of the cylinder 12 is atomized and sprayed to the material through the nozzle 1694 under the action of the gas flow, then by closing the second electromagnetic valve 162, the gas transportation to the inner cavity of the cylinder 12 through the second gas pipe 161 is cut off, so that the contraction rod 167 is reversely rotated by using the elastic reset of the torsional spring 166, the piston plate 164 is pulled back to the original position through the steel wire rope 168, so that when the piston plate 164 is reset, the inner cavity of the cylinder 12 generates negative pressure when the piston plate 164 resets, the negative pressure can suck the bacteria agent in the inner cavity of the storage box 13 into the inner cavity of the cylinder 12 through the pipeline 1691 and the second one-way valve 1692, so as to realize the bacteria agent supplementing while the negative pressure is recovered, and then the circulation work is facilitated.

[0032] Working principle: open the cover plate 2 at the top of the device body 1, put the pretreated agricultural organic waste into the inner cavity of the device body 1, close the cover plate 2 after filling, start the motor 3, make the output shaft of the motor 3 drive the first rotating shaft 5 to rotate synchronously through the shaft coupling 4, make the first rotating shaft 5 drive the main teeth 6 on the outer wall and the rotating disc 151 at the end to rotate synchronously, make the main teeth 6 and the secondary teeth 8 interlock, at the same time, the three groups of secondary rotating shafts 7 and the inner tooth ring 9 on the inner wall of the device body 1 are meshed, so that the three groups of secondary rotating shafts 7 realize self-rotation and revolution motion, when the secondary rotating shaft 7 rotates, the stirring rod 154 on the outer wall rotates synchronously, the stirring rod 154 rotates around its own axis and revolves around the first rotating shaft 5, realizes full-range and dead-angle-free stirring of the materials in the device body 1, ensures uniform mixing of the materials, at the same time, the rotating disc 151 at the end of the first rotating shaft 5 drives the sliding block 153 to slide reciprocally in the guide box 141 through the connecting rod 152, drives the bellows 142 to contract and expand periodically when the sliding block 153 slides, when the bellows 142 is compressed, the gas in the inner cavity is compressed, is transported into the air cavity 10 of the first rotating shaft 5 through the first air pipe 143 and the first electromagnetic valve 144, makes the gas flow to the aerating stone 11 through the air cavity 10, is converted into micro bubbles and released into the materials, realizes aeration and oxygenation, guarantees oxygen supply for fermentation, at the same time, when the bellows 142 is reset by the sliding block 153, the inner cavity forms negative pressure, at this time, the air inlet valve 146 opens automatically, sucks the air outside into the inner cavity of the bellows 142, balances the air pressure, prepares for the next compression and aeration, makes the magnetic strip 155 in the stirring rod 154 generate a magnetic field during the rotation of the stirring rod 154 and the secondary rotating shaft 7, adsorbs the metal impurities mixed in the materials to the surface of the stirring rod 154, realizes synchronous separation of the metal impurities and the materials, improves the quality of the subsequent fertilizer, secondly, closes the first electromagnetic valve 144 and opens the second electromagnetic valve 162, makes the gas in the inner cavity of the bellows 142 enter the inner cavity of the cylinder 12 through the second air pipe 161, makes the gas flow drive the piston plate 164 to slide along the inner wall of the cylinder 12, makes the piston plate 164 slide to pull the contraction rod 167 to rotate around the fulcrum shaft 165 through the steel wire rope 168, at the same time, makes the torsional spring 166 contract and store elastic potential energy, makes the piston plate 164 slide to compress the gas space in the cylinder 12, when the pressure reaches the preset value, the third one-way valve 1693 opens, at the same time, the bacteria agent in the inner cavity of the cylinder 12 is atomized and sprayed into the materials through the nozzle 1694 under the action of the gas flow, then closes the second electromagnetic valve 162, cuts off the gas transportation to the inner cavity of the cylinder 12 through the second air pipe 161, makes the contraction rod 167 reverse rotate by the elastic reset of the torsional spring 166, drives the piston plate 164 to reset through the steel wire rope 168, makes the piston plate 164 reset to produce negative pressure in the inner cavity of the cylinder 12 when it slides, makes the negative pressure suck the bacteria agent in the inner cavity of the storage box 13 into the inner cavity of the cylinder 12 through the pipeline 1691 and the second one-way valve 1692,So as to realize the bacteria agent supplement while realizing the negative pressure recovery, and then facilitate the circulation work.

[0033] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An agricultural organic waste composting apparatus comprising a device body (1), characterized in that: The top of the device body (1) is provided with a cover plate (2), the sidewall of the device body (1) is provided with a motor (3), the output shaft of the motor (3) is fixedly sleeved with a shaft coupling (4), the inner wall of the shaft coupling (4) is fixedly sleeved with a first rotating shaft (5), the outer wall of the first rotating shaft (5) is fixedly sleeved with a main tooth (6), the inner wall of the device body (1) is rotatably connected with a secondary rotating shaft (7), the outer wall of the secondary rotating shaft (7) is fixedly sleeved with a secondary tooth (8), the inner wall of the device body (1) is fixedly installed with an inner gear ring (9), the inner wall of the first rotating shaft (5) is provided with an air cavity (10), the inner wall of the first rotating shaft (5) is provided with an aeration stone (11), the top of the cover plate (2) is provided with a cylinder (12), the sidewall of the cover plate (2) is provided with a storage box (13), the sidewall of the device body (1) is respectively provided with a gas collecting assembly (14) and a driving assembly (15), the gas collecting assembly (14) comprises a guide box (141) installed on the sidewall of the device body (1), the inner cavity of the guide box (141) is provided with a corrugated expansion pipe (142), the outer wall of the gas collecting assembly (14) is respectively provided with a first air pipe (143) and a throttle valve (146), the outer wall of the first air pipe (143) is respectively provided with a first electromagnetic valve (144) and a first check valve (145), the inner cavity of the cylinder (12) is provided with a spraying assembly (16).

2. An agricultural organic waste composting apparatus as claimed in claim 1, wherein: The secondary rotating shaft (7) and the secondary tooth (8) are regarded as a group of movable assemblies, and the number of the movable assemblies is three, which are arranged in a circular array with a distance of 120 degrees, the outer edges of the three secondary teeth (8) are staggered and engaged with the outer edge teeth of the main tooth (6), and the other sides of the three secondary teeth (8) are staggered and engaged with the tooth grooves of the inner gear ring (9), one end of the first air pipe (143) is connected with the air outlet end of the corrugated expansion pipe (142), and the other end of the first air pipe (143) penetrates the inner wall of the first rotating shaft (5) and is connected with the air inlet end of the air cavity (10), the throttle valve (146) is connected with the air inlet end of the corrugated expansion pipe (142).

3. An agricultural organic waste composting apparatus as claimed in claim 1, wherein: The driving assembly (15) comprises a rotating disc (151) fixedly sleeved with the outer wall of one end of the first rotating shaft (5) away from the main tooth (6), the outer wall of the rotating disc (151) is provided with a connecting rod (152), the inner wall of the guide box (141) is provided with a sliding block (153), the outer wall of the secondary rotating shaft (7) is provided with a stirring rod (154), and the inner wall of the stirring rod (154) is slidably connected with a magnetic strip (155).

4. An agricultural organic waste composting apparatus as claimed in claim 3, wherein: One end of the connecting rod (152) is rotatably connected with the outer wall of the rotating disc (151), the other end of the connecting rod (152) is rotatably connected with the outer wall of the sliding block (153), and the outer wall of the sliding block (153) is slidably arranged with the inner wall of the guide box (141).

5. An agricultural organic waste composting apparatus as claimed in claim 1, wherein: The spray assembly (16) comprises a second air pipe (161) provided on the outer wall of a first air pipe (143), a second electromagnetic valve (162) is mounted on the outer wall of the second air pipe (161), annular gaskets (163) and fulcrum shafts (165) are fixedly installed on the inner wall of the cylinder (12) respectively, piston plates (164) and spray pieces (169) are arranged in the inner cavity of the cylinder (12) respectively, torsional springs (166) are arranged on the outer wall of the fulcrum shafts (165), the outer wall of the torsional springs (166) is rotatably sleeved with contraction rods (167), steel wires (168) are arranged on the outer wall of the contraction rods (167), the spray pieces (169) comprise pipelines (1691) arranged on the top of storage boxes (13), second one-way valves (1692) are arranged on the outer wall of the pipelines (1691), third one-way valves (1693) are arranged on the inner wall of the cylinder (12), and spray heads (1694) are mounted on the bottom of the third one-way valves (1693).

6. An agricultural organic waste composting apparatus as claimed in claim 5, wherein: One end of the second air pipe (161) is connected with the air outlet end of the corrugated expansion pipe (142), the other end of the second air pipe (161) is connected with the air inlet end of the cylinder (12), the piston plate (164) is slidingly arranged in abutment with the inner wall of the cylinder (12), one end of the torsional spring (166) is clamped with the outer wall of the fulcrum shaft (165), the other end of the torsional spring (166) is clamped with the outer wall of the contraction rod (167), one end of the steel wire (168) is connected with the outer wall of the piston plate (164) and fixed, the other end of the steel wire (168) is wound on the outer wall of the contraction rod (167), the third one-way valve (1693) penetrates the inner walls of the cylinder (12) and the cover plate (2) respectively, one end of the pipeline (1691) is connected with the liquid outlet end of the storage box (13), and the other end of the pipeline (1691) is connected with the liquid inlet end of the cylinder (12).

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