Compost treatment device for organic fertilizer processing

Abstract

The invention discloses a composting treatment device for organic fertilizer processing. The composting treatment device comprises a composting main body mechanism, a turning and stirring mechanism, a temperature and humidity control mechanism, a deodorization and purification mechanism and an intelligent control system, the composting main body mechanism comprises a heat-preservation composting bin and a bin cover, a flow guide slope is arranged at the bottom of the heat-preservation composting bin, and the lowest position of the flow guide slope is communicated with a liquid discharge pipe with a control valve; at least two partition plates are fixedly arranged in the heat-preservation composting bin and divide the heat-preservation composting bin into a plurality of independent composting cavities, a breathable grid is arranged at the bottom of each composting cavity, and a ventilation cavity is formed below the breathable grids. By arranging the partitioned heat-preservation composting bin, simultaneous composting of multiple batches of materials is achieved, heat loss is effectively reduced through the heat-preservation structural design, the independent temperature and humidity control assemblies are matched, the temperature and humidity environment of each composting cavity can be accurately controlled, the optimal metabolic activity of microorganisms is maintained, the fermentation efficiency is remarkably improved, and the composting period is shortened; meanwhile, uniform material decomposition is guaranteed, and the organic fertilizer quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of organic fertilizer processing equipment, in particular to a composting device for organic fertilizer processing. BACKGROUND

[0002] Composting is the core link of organic fertilizer processing, which converts organic waste such as livestock and poultry manure, straw, kitchen waste, etc. into organic fertilizer rich in nutrients through the metabolic action of microorganisms, realizing the recycling of resources. The existing composting device mostly adopts a simple composting bin combined with manual or simple mechanical turning, which has many shortcomings: first, the temperature and humidity control precision in the composting process is low, it is difficult to maintain the environmental conditions required for the optimal metabolic activity of microorganisms, resulting in low fermentation efficiency, long composting period, and easy occurrence of incomplete local composting problems; second, the turning mechanism is not reasonably designed, most of which can only realize the turning of the surface material, and the deep material is difficult to be effectively stirred, the material and air are not fully contacted, affecting the effect of aerobic fermentation; third, the waste gas such as ammonia and hydrogen sulfide generated in the composting process is directly discharged, causing serious air pollution, which does not meet the environmental protection requirements; fourth, the leachate generated in the composting process is not completely collected, which is easy to cause secondary pollution, and the existing device lacks effective treatment or recycling mechanism for the leachate. Therefore, it is of great practical significance to develop a composting device which can realize accurate temperature and humidity control, deep turning, complete waste gas purification and strong environmental protection. SUMMARY

[0003] The present application relates to the technical field of organic fertilizer processing equipment, in particular to a composting device for organic fertilizer processing.

[0004] The present application provides the following technical solutions to achieve the above-mentioned purposes: compost processing device for organic fertilizer processing, comprising compost main mechanism, composting stirring mechanism, temperature and humidity control mechanism, deodorization and purification mechanism and intelligent control system; the compost main mechanism comprises a heat-insulating compost bin and a bin cover, the bottom of the heat-insulating compost bin is provided with a flow guide slope, the lowest part of the flow guide slope is connected with a liquid discharge pipe with a control valve; at least two partition plates are fixedly arranged in the heat-insulating compost bin, so as to divide it into multiple independent compost cavities, a ventilation cavity is formed below the air permeable grating at the bottom of each compost cavity; the bin cover is sealingly matched with the top of the heat-insulating compost bin, and the bin cover corresponding to each compost cavity is respectively provided with a feeding port and a waste gas outlet; the composting stirring mechanism and the temperature and humidity control mechanism are respectively matched with the compost cavities, the deodorization and purification mechanism is communicated with the waste gas outlet, and the intelligent control system is electrically connected with the composting stirring mechanism, the temperature and humidity control mechanism and the deodorization and purification mechanism; the composting stirring mechanism is one-to-one corresponding to the compost cavities, that is, when the number of compost cavities is N, N groups of composting stirring mechanisms are synchronously arranged; each group of composting stirring mechanisms comprises a hydraulic lifting cylinder, a servo motor and a composting stirring assembly, the hydraulic lifting cylinder is fixedly installed at the position of the corresponding compost cavity on the top of the bin cover, and the output end of the hydraulic lifting cylinder penetrates through the bin cover and is connected with the servo motor; the output end of the servo motor is connected with the composting stirring assembly, the composting stirring assembly comprises a stirring shaft and spiral stirring blades fixed on the stirring shaft, the spiral stirring blades are uniformly provided with crushing teeth, and the stirring shaft is provided with a stirring head at the bottom, and the stirring head is located above the air permeable grating; the temperature and humidity control mechanism comprises a temperature sensor, a humidity sensor, a heating assembly and a spray humidifying assembly, the temperature sensor and the humidity sensor are respectively fixed on the inner wall of each compost cavity, and the detection end extends into the compost material; the heating assembly comprises a plurality of electric heating pipes, the electric heating pipes are uniformly embedded in the inner wall of the heat-insulating compost bin, and each compost cavity corresponds to a group of independent electric heating pipes; the spray humidifying assembly comprises a water storage tank and a water pump, the water storage tank is fixed outside the heat-insulating compost bin, the input end of the water pump is communicated with the water storage tank, the output end of the water pump is connected to a plurality of spray nozzles through a water distribution pipeline, the spray nozzles are fixed on the bottom of the bin cover, and each compost cavity corresponds to at least two spray nozzles; the deodorization and purification mechanism comprises an initial filter, a biological filter tank, an activated carbon adsorption tower and an induced draft fan which are sequentially communicated, the initial filter is communicated with the waste gas outlet of each compost cavity through a pipeline, and the output end of the induced draft fan is connected with an exhaust cylinder; the biological filter tank is filled with microbial carrier filler in the inside, and is provided with a spray pipe at the bottom, and the spray pipe is connected with the water storage tank through a pipeline; the intelligent control system comprises a controller and a touch operation screen, the controller is electrically connected with the hydraulic lifting cylinder, the servo motor, the temperature sensor, the humidity sensor, the electric heating pipe, the water pump and the induced draft fan, and the touch operation screen is bidirectionally communicated with the controller; one side of the ventilation cavity is communicated with a blowing mechanism, the blowing mechanism comprises a blower and an air inlet pipe, the air inlet pipe is communicated with the ventilation cavity, a flow regulating valve is arranged on the air inlet pipe, and the blower and the flow regulating valve are electrically connected with the controller.

[0005] Preferably, the side wall of the heat preservation compost bin adopts a double-layer structure, the inner layer is a stainless steel heat conducting layer, and the outer layer is a heat preservation layer made of polyurethane foaming material.

[0006] Preferably, the cylinder body of the hydraulic lifting cylinder is fixed on the mounting frame at the top of the bin cover, the piston rod penetrates through the bin cover and is fixedly connected with the shell of the servo motor, and the output shaft of the servo motor is fixedly connected with the stirring shaft through a shaft coupling.

[0007] Preferably, the microbial carrier filler adopts a mixed filler of volcanic rock and humus soil, the mixing ratio is 1:2, a liquid level sensor is arranged in the biological filter tank, the liquid level sensor is electrically connected with the controller, a sewage pipe is arranged at the bottom of the biological filter tank, an electromagnetic valve is arranged on the sewage pipe, and the electromagnetic valve is electrically connected with the controller.

[0008] Preferably, the air permeable grid is made of stainless steel, the air permeable holes on the grid are in a conical structure, the hole diameter of the air permeable holes gradually increases from bottom to top, and a flow distribution plate is arranged in the ventilation cavity, and the flow distribution plate is uniformly provided with flow guide holes.

[0009] Preferably, the controller is internally integrated with a data acquisition module, a logic judgment module and an execution control module, the data acquisition module is used for receiving detection data of the temperature sensor, the humidity sensor and the liquid level sensor, the logic judgment module generates a control instruction according to a comparison result of preset parameters and the detection data, and the execution control module is used for controlling actions of each execution component; the touch operation screen can display real-time detection data and equipment running states, and can manually input parameter set values.

[0010] Preferably, a discharge port is arranged on the front side of the heat preservation compost bin, the lowermost side of the discharge port is flush with the upper side of the air permeable grid, a discharge sealing door is arranged at the discharge port, the discharge sealing door is sealingly connected with the heat preservation compost bin, and the discharge sealing door is arranged in one-to-one correspondence with the compost cavities.

[0011] Compared with the prior art, the present application has the following advantages: 1. The present application realizes simultaneous composting of multiple batches of materials by arranging the partitioned heat preservation compost bin, effectively reduces heat loss through the heat preservation structure design, cooperates with independent temperature and humidity control components, can accurately control the temperature and humidity environment of each compost cavity, maintains the best metabolic activity of microorganisms, significantly improves the fermentation efficiency, shortens the composting period, simultaneously ensures uniform composting of materials, and improves the quality of organic fertilizer.

[0012] 2. The turning and stirring mechanism adopts a combination of lifting drive and rotary drive, cooperates with the structural design of the spiral stirring blade and the stirring head, can turn the materials at different depths inside the composting cavity in all directions, breaks the material clumps, ensures that the materials are in full contact with air, promotes the smooth progress of aerobic fermentation, and solves the problem of incomplete turning of deep layer materials in the existing device.

[0013] 3. The deodorizing and purifying mechanism adopts a multi-stage treatment process of "primary efficiency filtration + biodegradation + activated carbon adsorption", comprehensively purifies the waste gas generated during composting, effectively removes dust, organic pollutants and harmful gases in the waste gas, discharges the purified gas to reach the standard, reduces air pollution, and at the same time, the leachate generated during composting is collected through the diversion slope, which is convenient for subsequent treatment or recycling, and avoids secondary pollution.

[0014] 4. The intelligent control system realizes the automatic monitoring and control of the composting process, reduces manual intervention and labor intensity through the coordinated control of the controller on each executing component, the setting of the touch control operation screen facilitates the operator to master the equipment running state and material fermentation condition in real time, parameters can be flexibly adjusted according to actual needs, and the convenience and reliability of equipment operation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the present application; Figure 2 It is a whole structure schematic view of the present application; Figure 3 It is a stereoscopic structure schematic view of the heat preservation composting bin of the present application; Figure 4 It is a sectional structure schematic view of the heat preservation composting bin of the present application; Figure 5 It is a sectional structure schematic view of the heat preservation composting bin of the present application; Figure 6 It is a stereoscopic overhead structure schematic view of the turning and stirring mechanism of the present application; Figure 7 It is a stereoscopic overhead structure schematic view of the turning and stirring mechanism of the present application; Figure 8 It is a sectional structure schematic view of the biological filter of the present application.

[0016] In the figure: 1, composting warehouse; 101, diversion slope; 102, drainage pipe; 103, partition plate; 104, composting cavity; 105, air permeable grid; 106, ventilation cavity; 107, air distribution plate; 2, warehouse cover; 3, discharge closing door; 4, feed inlet; 5, composting stirring mechanism; 501, hydraulic lifting cylinder; 502, servo motor; 503, stirring shaft; 504, spiral stirring blade; 505, crushing tooth; 506, stirring head; 6, exhaust gas outlet; 7, primary filter; 8, biological filter; 801, microbial carrier filler; 802, spray pipe; 803, blowdown pipe; 9, activated carbon adsorption tower; 10, induced draft fan; 11, spray humidification assembly; 12, water distribution pipeline; 13, spray nozzle; 14, temperature and humidity control mechanism; 15, temperature sensor; 16, humidity sensor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-8 The present application provides a technical solution: a composting treatment device for organic fertilizer processing, which comprises a composting main body mechanism, a composting stirring mechanism 5, a temperature and humidity control mechanism 14, a deodorization and purification mechanism, and an intelligent control system.

[0019] The composting main body mechanism comprises a composting warehouse 1 and a warehouse cover 2. The composting warehouse 1 is provided with a diversion slope 101 at the bottom, and the lowest part of the diversion slope 101 is connected with a drainage pipe 102 with a control valve. At least two partition plates 103 are fixedly arranged in the composting warehouse 1, which divide the composting warehouse 1 into multiple independent composting cavities 104. Each composting cavity 104 is provided with an air permeable grid 105 at the bottom, and a ventilation cavity 106 is formed below the air permeable grid 105. The warehouse cover 2 is sealingly matched with the top of the composting warehouse 1. Each warehouse cover 2 corresponding to each composting cavity 104 is respectively provided with a feed inlet 4 and an exhaust gas outlet 6. The composting stirring mechanism 5 and the temperature and humidity control mechanism 14 are respectively adapted to the composting cavities 104. The deodorization and purification mechanism is communicated with the exhaust gas outlet 6. The intelligent control system is electrically connected with the composting stirring mechanism 5, the temperature and humidity control mechanism 14, and the deodorization and purification mechanism.

[0020] Further, the side wall of the composting warehouse 1 adopts a double-layer structure. The inner layer is a stainless steel heat conduction layer, and the outer layer is a heat insulation layer made of polyurethane foaming material. This effectively reduces the heat loss inside the composting cavities 104, improves the heat preservation effect, and reduces energy consumption.

[0021] Further, the air permeable grid 105 is made of stainless steel, has the advantages of corrosion resistance and high strength, the air permeable holes on the grid are in a conical structure, the hole diameter of the air permeable holes gradually increases from bottom to top, avoiding material blockage of the air permeable holes; the airflow distribution plate 107 is arranged inside the ventilation cavity 106, the airflow distribution plate 107 is uniformly provided with flow guide holes, so that the air sent by the air blower is uniformly distributed to the bottom of each composting cavity 104, ensuring uniform fermentation of the material.

[0022] Further, the front side of the heat preservation composting bin 1 is provided with a discharge port, the lowermost side of the discharge port is flush with the upper side of the air permeable grid 105, facilitating quick removal of waste from the discharge port, and the discharge port is provided with a discharge sealing door 3, which is sealingly connected between the heat preservation composting bin 1, ensuring normal operation of the heat preservation composting bin 1, and the discharge sealing door 3 is arranged in one-to-one correspondence with the composting cavities 104.

[0023] The turning and stirring mechanism 5 is arranged in one-to-one correspondence with the composting cavities 104, that is, when the number of composting cavities 104 is N, N groups of turning and stirring mechanisms 5 are synchronously arranged; each group of turning and stirring mechanisms 5 includes a hydraulic lifting cylinder 501, a servo motor 502, and a turning and stirring assembly, the hydraulic lifting cylinder 501 is fixedly installed on the top of the bin cover 2 at a position corresponding to the composting cavities 104, and its output end penetrates the bin cover 2 and is connected with the servo motor 502; the output end of the servo motor 502 is connected with the turning and stirring assembly, the turning and stirring assembly includes a stirring shaft 503 and a spiral stirring blade 504 fixed on the stirring shaft 503, the spiral stirring blade 504 is uniformly provided with crushing teeth 505, and the stirring shaft 503 is provided with a stirring head 506 at the bottom, the stirring head 506 is located above the air permeable grid 105, when the hydraulic lifting cylinder 501 drives the stirring head 506 to move up and down, when it moves down to the lowest position, the lower side of the stirring head 506 contacts the upper side of the air permeable grid 105, so that the upper side of the air permeable grid 105 is scraped by the stirring head 506, ensuring normal ventilation of the air permeable grid 105.

[0024] Further, the cylinder body of the hydraulic lifting cylinder 501 is fixed on the mounting frame on the top of the bin cover 2, the hydraulic lifting cylinder 501 has the advantages of strong carrying capacity and stable lifting, the piston rod penetrates the bin cover 2 and is fixedly connected with the housing of the servo motor 502, the servo motor 502 has the characteristics of high control precision and fast response speed, can accurately control the rotating speed of the stirring shaft 503, and the output shaft of the servo motor 502 is fixedly connected with the stirring shaft 503 through a shaft coupling, ensuring the stability of power transmission.

[0025] The temperature and humidity control mechanism 14 comprises a temperature sensor 15, a humidity sensor 16, a heating assembly and a spray humidifying assembly 11, the temperature sensor 15 and the humidity sensor 16 are respectively fixed on the inner wall of each composting cavity 104, and the detection end extends into the interior of the composting material; the heating assembly comprises a plurality of electric heating pipes, the electric heating pipes are uniformly embedded in the inner wall of the heat preservation composting bin 1, and each composting cavity 104 corresponds to a group of independent electric heating pipes; the spray humidifying assembly 11 comprises a water storage tank and a water pump, the water storage tank is fixed outside the heat preservation composting bin 1, the input end of the water pump is communicated with the water storage tank, the output end is connected to a plurality of spray nozzles 13 through a water distribution pipeline 12, the spray nozzles 13 are fixed on the bottom of the bin cover 2, and each composting cavity 104 corresponds to at least two spray nozzles 13.

[0026] The deodorization and purification mechanism comprises a primary filter 7, a biological filter 8, an activated carbon adsorption tower 9 and an induced draft fan 10 which are sequentially communicated, the primary filter 7 is communicated with the exhaust gas outlet 6 of each composting cavity 104 through a pipeline, and the output end of the induced draft fan 10 is connected with an exhaust cylinder; the biological filter 8 is filled with microbial carrier fillings 801 in the interior, and is provided with a spray pipe 802 at the bottom, and the spray pipe 802 is connected with the water storage tank through a pipeline.

[0027] Further, the microbial carrier fillings 801 adopt mixed fillings of volcanic rocks and humus, and the mixing ratio is 1:2, the volcanic rocks have the characteristics of developed pore structure and large specific surface area, so that the microorganisms can be attached and grown, and the humus provides sufficient nutrients for the microorganisms; the biological filter 8 is provided with a liquid level sensor in the interior, the liquid level sensor is electrically connected with the controller, the liquid level in the biological filter 8 is monitored in real time, the biological filter 8 is provided with a sewage discharge pipe 803 at the bottom, and an electromagnetic valve is arranged on the sewage discharge pipe 803, the electromagnetic valve is electrically connected with the controller, when the liquid level is too high or the quality of the spray liquid is poor, the controller controls the electromagnetic valve to be opened, and the sewage is discharged.

[0028] The intelligent control system comprises a controller and a touch operation screen, the controller is electrically connected with the hydraulic lifting cylinder 501, the servo motor 502, the temperature sensor 15, the humidity sensor 16, the electric heating pipe, the water pump and the induced draft fan 10, and the touch operation screen is bidirectionally communicated with the controller; the ventilation cavity 106 is communicated with a blowing mechanism on one side, the blowing mechanism comprises a blowing fan and an air inlet pipe, the air inlet pipe is communicated with the ventilation cavity 106, a flow regulating valve is arranged on the air inlet pipe, and the blowing fan and the flow regulating valve are electrically connected with the controller.

[0029] Further, the controller is internally integrated with a data acquisition module, a logic judgment module and an execution control module, the data acquisition module is used for receiving detection data of the temperature sensor 15, the humidity sensor 16 and the liquid level sensor, the logic judgment module generates a control instruction according to a comparison result of preset parameters and the detection data, and the execution control module is used for controlling actions of each execution component; the touch operation screen can display real-time detection data and equipment running states, and can manually input parameter set values, so that automatic control and manual control are combined, and flexibility of equipment operation is improved.

[0030] Specifically, in use, first, the temperature and humidity thresholds, the turning and stirring parameters and the ventilation parameters of each composting cavity 104 are set through the touch operation screen; then, organic materials such as a mixture of livestock and poultry manure and straw are added to each composting cavity 104 through the feeding port 4, after the feeding port 4 is closed, the equipment is started through the touch operation screen, and the intelligent control system starts automatic operation.

[0031] During operation, the temperature sensor 15 and the humidity sensor 16 detect the temperature and humidity of the materials in real time and transmit the detection data to the controller: when the detected temperature is lower than 55℃, the controller controls the electric heating pipe of the corresponding composting cavity 104 to start and heat up, when the temperature is higher than 65℃, the electric heating pipe is closed, and the air blower is controlled to increase the ventilation volume to reduce the temperature; when the detected humidity is lower than 50%, the controller controls the water pump to start, and the spray nozzles 13 spray water to the materials, when the humidity is higher than 60%, the water pump is closed, and the electric control valve on the liquid discharge pipe 102 is opened to discharge part of the percolate.

[0032] The turning and stirring mechanism 5 independently operates according to the preset parameters of the corresponding composting cavity 104, the hydraulic lifting cylinder 501 drives the servo motor 502 and the turning and stirring assembly to lift as a whole, the servo motor 502 drives the stirring shaft 503 to rotate, the spiral stirring blade 504 and the stirring head 506 turn and stir the materials deeply, the crushing teeth 505 crush the material clumps, so that the materials are uniformly mixed and fully contacted with air; the turning frequency of different composting cavities 104 can be adjusted according to the differences between fermentation stages.

[0033] The waste gas generated by composting enters the primary filter 7 through the waste gas outlet 6 under the action of the induced draft fan 10, removes dust and impurities, enters the biological filter tank 8, and the microorganisms on the microbial carrier filler 801 degrade organic pollutants and ammonia gas in the waste gas, the spray pipe 802 regularly sprays water to the filler to maintain the activity of the microorganisms; the biologically treated waste gas enters the activated carbon adsorption tower 9, is deeply adsorbed and purified, and is discharged through the exhaust pipe after reaching the standard. The liquid level in the biological filter tank 8 is monitored in real time by the liquid level sensor, when the liquid level is higher than the preset value or the spray liquid is used for a period of time, the controller controls the electromagnetic sewage valve to open to discharge sewage.

[0034] The leachate generated in the composting process is collected by the diversion slope 101 to the drainage pipe 102, and can be discharged regularly by opening the electric control valve for subsequent treatment or recycling as liquid fertilizer. After the composting is completed, the discharge closing door 3 is opened, and the matured organic fertilizer can be taken out.

[0035] The composting maturity period is shortened from 30-40 days of the traditional device to 15-20 days, the material maturity uniformity is improved by 40%, the ammonia removal rate in the waste gas reaches 92%, and the hydrogen sulfide removal rate reaches 95% through the structure design of the embodiment, the production efficiency and quality of the organic fertilizer are significantly improved, and the environmental protection requirements are met.

[0036] Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A composting treatment device for organic fertilizer processing, characterized in that, It includes the main composting structure, the turning and mixing mechanism (5), the temperature and humidity control mechanism (14), the deodorization and purification mechanism, and the intelligent control system; The main composting structure includes an insulated composting bin (1) and a bin cover (2). The bottom of the insulated composting bin (1) is provided with a guide slope (101), and the lowest point of the guide slope (101) is connected to a drain pipe (102) with a control valve. At least two partition plates (103) are fixedly provided inside the insulated composting bin (1), dividing it into multiple independent composting chambers (104). Each composting chamber (104) is provided with a ventilated grille (105) at the bottom, and a ventilation chamber is formed below the ventilated grille (105). (106); The cover (2) is sealed to the top of the insulated composting bin (1), and each composting chamber (104) is provided with a feed inlet (4) and an exhaust gas outlet (6) on the cover (2); The turning and stirring mechanism (5) and the temperature and humidity control mechanism (14) are respectively adapted to the composting chamber (104), the deodorization and purification mechanism is connected to the exhaust gas outlet (6), and the intelligent control system is electrically connected to the turning and stirring mechanism (5), the temperature and humidity control mechanism (14), and the deodorization and purification mechanism respectively; The turning and mixing mechanism (5) is set one-to-one with the composting chamber (104). That is, when the number of composting chambers (104) is N, the turning and mixing mechanism (5) is set in N groups simultaneously. Each group of turning and mixing mechanism (5) includes a hydraulic lifting cylinder (501), a servo motor (502) and a turning and mixing component. The hydraulic lifting cylinder (501) is fixedly installed on the top of the silo cover (2) at the position corresponding to the composting chamber (104). Its output end passes through the silo cover (2) and is connected to the servo motor (502). The output end of the servo motor (502) is connected to the turning and mixing component. The turning and mixing component includes a mixing shaft (503) and a spiral mixing blade (504) fixed on the mixing shaft (503). The spiral mixing blade (504) is evenly distributed with crushing teeth (505). A mixing head (506) is set at the bottom of the mixing shaft (503). The mixing head (506) is located above the ventilation grid (105). The temperature and humidity control mechanism (14) includes a temperature sensor (15), a humidity sensor (16), a heating component, and a spray humidification component (11). The temperature sensor (15) and humidity sensor (16) are fixed on the inner wall of each composting chamber (104), and the probe ends extend into the compost material. The heating component includes multiple electric heating tubes, which are uniformly embedded in the side wall of the insulated composting chamber (1), and each composting chamber (104) corresponds to a set of independent electric heating tubes. The spray humidification component (11) includes a water storage tank and a water pump. The water storage tank is fixed on the outside of the insulated composting chamber (1), the input end of the water pump is connected to the water storage tank, and the output end is connected to multiple spray nozzles (13) through a water distribution pipe (12). The spray nozzles (13) are fixed at the bottom of the chamber cover (2), and each composting chamber (104) corresponds to at least two spray nozzles (13). The deodorization and purification mechanism includes a primary filter (7), a biological filter (8), an activated carbon adsorption tower (9), and an exhaust fan (10) connected in sequence. The primary filter (7) is connected to the exhaust gas outlet (6) of each composting chamber (104) through a pipe. The exhaust end of the exhaust fan (10) is connected to an exhaust stack. The biological filter (8) is filled with microbial carrier packing material (801). A spray pipe (802) is provided at the bottom of the biological filter (8). The spray pipe (802) is connected to a water storage tank through a pipe. The intelligent control system includes a controller and a touch screen. The controller is electrically connected to the hydraulic lifting cylinder (501), servo motor (502), temperature sensor (15), humidity sensor (16), electric heating tube, water pump and induced draft fan (10). The touch screen is bidirectionally connected to the controller. A blower mechanism is connected to one side of the ventilation cavity (106). The blower mechanism includes a blower and an air inlet pipe. The air inlet pipe is connected to the ventilation cavity (106). A flow regulating valve is installed on the air inlet pipe. Both the blower and the flow regulating valve are electrically connected to the controller.

2. The composting treatment device for organic fertilizer processing according to claim 1, characterized in that: The side wall of the insulated compost bin (1) adopts a double-layer structure, with the inner layer being a stainless steel heat-conducting layer and the outer layer being a heat-insulating layer. The heat-insulating layer is made of polyurethane foam material.

3. The composting treatment device for organic fertilizer processing according to claim 1, characterized in that: The cylinder body of the hydraulic lifting cylinder (501) is fixed on the mounting bracket on the top of the bin cover (2). The piston rod passes through the bin cover (2) and is fixedly connected to the housing of the servo motor (502). The output shaft of the servo motor (502) is fixedly connected to the stirring shaft (503) through a coupling.

4. The composting treatment device for organic fertilizer processing according to claim 1, characterized in that: The microbial carrier packing material (801) is a mixture of volcanic rock and humus, with a mixing ratio of 1:

2. The biological filter (8) is equipped with a liquid level sensor, which is electrically connected to the controller. The bottom of the biological filter (8) is equipped with a sewage pipe (803), and a solenoid valve is installed on the sewage pipe (803), which is electrically connected to the controller.

5. The composting treatment device for organic fertilizer processing according to claim 1, characterized in that: The ventilation grille (105) is made of stainless steel. The ventilation holes on the grille have a conical structure and the diameter of the ventilation holes gradually increases from bottom to top. An airflow distribution plate (107) is provided inside the ventilation cavity (106), and guide holes are evenly distributed on the airflow distribution plate (107).

6. The composting treatment device for organic fertilizer processing according to claim 1, characterized in that: The controller integrates a data acquisition module, a logic judgment module, and an execution control module. The data acquisition module is used to receive detection data from the temperature sensor (15), humidity sensor (16), and liquid level sensor. The logic judgment module generates control commands based on the comparison results between preset parameters and detection data. The execution control module is used to control the actions of each execution component. The touch screen can display real-time detection data and equipment operating status, and allows manual input of parameter settings.

7. The composting treatment device for organic fertilizer processing according to claim 1, characterized in that: The insulated composting bin (1) has a discharge port on the front side. The lowest side of the discharge port is flush with the upper side of the ventilation grid (105). A discharge sealing door (3) is installed at the discharge port. The discharge sealing door (3) is sealed to the insulated composting bin (1). The discharge sealing door (3) is set in a one-to-one correspondence with the composting chamber (104).

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