Combined compost fermentation system

Abstract

The utility model discloses a combined compost fermentation system, and relates to the technical field of compost barrels, the combined compost fermentation system comprises at least one fermentation barrel, the fermentation barrel comprises a combined barrel body and a barrel cover separably arranged at an upper opening of the barrel body, and the combined compost fermentation system further comprises an electric auxiliary heating system and an oxygen supply system arranged on the barrel body, the electric auxiliary heating system is used for increasing the temperature in the fermentation cavity, the oxygen supply system comprises an oxygen supply pipeline installed on the inner wall of the barrel body and at least one air inlet valve installed on the side wall of the barrel body, the air inlet valve is communicated with the oxygen supply pipeline, the air inlet amount of the air inlet valve can be adjusted, and the oxygen supply pipeline is communicated with the barrel body. A plurality of water guide grooves extending in the vertical direction are formed in the inner wall of the barrel body, and the corresponding vent holes located in the lower plane of the oxygen supply pipeline correspond to the corresponding water guide grooves in position. The air inflow can be adjusted, and meanwhile the composting efficiency is high through the electric auxiliary heating system.

Description

Technical Field

[0001] The present application relates to the technical field of compost barrels, and in particular to a combined composting fermentation system. Background Art

[0002] Compost is an organic fertilizer that is rich in nutrients. It uses various plant residues such as crop straw, weeds, leaves, peat, garbage, kitchen waste and other waste as the main raw materials, mixed with biological excrement and decomposed to form organic fertilizer. In order to make composting more convenient, compost barrels came into being.

[0003] In order to make the material conversion into fertilizer faster and more efficient, some compost barrels are provided with heating and / or heat preservation devices, such as CN219409580U and CN218089379U; in order to increase the oxygen supply, some compost barrels are provided with ventilation structures, such as CN219409580U and CN207243763U; in order to solve the defect that the compost barrel is difficult to carry, combined compost barrels are also available, such as CN207243763U; however, the existing compost barrels have the defects of complex heating process, unadjustable ventilation volume, difficult stirring during composting, and inconvenient direct use of fertilizer liquid. Utility Model Content

[0004] In view of this, the present application provides a combined composting and fermentation system to solve the existing technical problems of complex heating process, unadjustable ventilation volume, difficult stirring during composting, and inconvenient direct use of fertilizer liquid.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A combined composting fermentation system comprises at least one fermentation barrel, wherein the fermentation barrel comprises a combined barrel body, a detachable barrel cover arranged at the upper opening of the barrel body, an electric auxiliary heating system and an oxygen supply system arranged on the barrel body, wherein the electric auxiliary heating system is used to increase the temperature in a fermentation chamber, wherein the oxygen supply system comprises an oxygen supply pipeline installed on the inner wall of the barrel body and at least one air intake valve installed on the side wall of the barrel body, wherein the air intake valve is connected to the oxygen supply pipeline, and the air intake amount of the air intake valve is adjustable, wherein a plurality of water diversion grooves extending in a vertical direction are arranged on the inner wall of the barrel body, and corresponding air vents located on the lower plane of the oxygen supply pipeline correspond to the positions of the corresponding water diversion grooves.

[0007] Furthermore, the electric auxiliary heating system is arranged on the barrel cover, wherein the electric auxiliary heating system includes a heating plate, a storage battery and a solar panel, and the heating plate and the solar panel are both electrically connected to the storage battery.

[0008] Furthermore, a removable liquid fertilizer collection box is provided in the base of the barrel body, and the liquid fertilizer collection box can also be used as a spray pot.

[0009] Furthermore, the liquid fertilizer collection box has a liquid fertilizer collection port and a drainage port, the drainage port is provided with a water inlet, a water output regulator and a mixing switch for controlling whether the liquid fertilizer and water can be mixed, and the water output regulator is used to adjust the spraying amount.

[0010] Furthermore, an activated carbon box is provided at the exhaust hole on the barrel cover, and a thermometer is provided on the side wall of the barrel body.

[0011] Furthermore, the barrel body includes a detachable barrel body and a base, the barrel body is spliced ​​by at least two side wall splicing bodies, the top surface of the base has a concave cavity that is plugged into the barrel body, a water filter bottom plate is placed in the barrel body, and a liquid storage cavity is formed between the water filter bottom plate and the concave cavity, and the liquid in the liquid storage cavity can flow into the liquid fertilizer collection box.

[0012] Furthermore, the center of the water filter bottom plate is low-lying, and a plurality of diversion inclined grooves with outer heights and inner bottoms are provided at the edge of the upper surface of the water filter bottom plate.

[0013] Furthermore, the air intake valve comprises an inner air intake nozzle connected to the barrel body and an outer air intake nozzle rotatably sleeved on the inner air intake nozzle.

[0014] Furthermore, a sealing ring is provided on the barrel cover, the outer peripheral surface of the sealing ring has a sealing slope, and the upper opening of the barrel body is provided with a tapered hole section that matches the sealing slope.

[0015] Furthermore, it also includes a stirrer capable of stirring the compost placed in the barrel.

[0016] Furthermore, the stirrer comprises a rod body and at least one set of stirring blade assemblies mounted on the rod body, and a handle portion is provided on the rod body.

[0017] Furthermore, the rod body is provided with a mounting hole penetrating in the radial direction, the stirring blade assembly is pivotally mounted in the mounting hole, and the stirring blade assembly includes two symmetrical and coaxial swing blades.

[0018] Furthermore, when the two swing blades abut against each other, the two swing blades are prevented from approaching each other, and a lower limit abutment protrusion capable of abutting against the rod body is provided on the swing blade.

[0019] Furthermore, the opposite sides of the two swing blades are arranged in a tooth surface shape.

[0020] It can be seen from the above technical solution that the advantages of the utility model are:

[0021] 1. In the present application, the air intake volume is regulated by providing an air intake valve capable of adjusting the air intake volume. The air intake volume is adjusted according to different fermentation stages and / or different raw materials to achieve the regulation of oxygen supply, so that the composting efficiency can be as high as possible at different stages.

[0022] 2. This application is equipped with an electric auxiliary heating system, which is more convenient to use than hot water heating. This application uses solar energy for power supply, which is more energy-saving.

[0023] 3. The present application is provided with a removable liquid fertilizer collection box, which is convenient for direct transfer and use after the liquid is collected, making the use of liquid fertilizer more convenient. The liquid fertilizer collection box has a water outlet regulator and a water inlet, so that the liquid fertilizer collection box can be used as a spray pot, and the liquid fertilizer can be diluted during use, which is convenient for direct use of the liquid fertilizer.

[0024] 4. The exhaust hole in this application is equipped with an activated carbon box, which can adsorb bacteria in the exhaust gas, prevent the exhaust gas from polluting the environment, and make the work environmentally friendly and clean.

[0025] 5. The present application is provided with a stirrer, which can stir and fluff the raw materials during the composting process, so that oxygen can better contact the raw materials, further improving the composting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application.

[0027] Figure 1 It is a three-dimensional structural schematic diagram of the present application.

[0028] Figure 2 This is another three-dimensional structural schematic diagram of the present application.

[0029] Figure 3 It is a cross-sectional structural schematic diagram of the present application.

[0030] Figure 4 This is a schematic diagram of the internal structure of this application.

[0031] Figure 5 This is a schematic diagram of the structure of the base of this application.

[0032] Figure 6 This is a schematic diagram of the structure of the liquid fertilizer collection box of this application.

[0033] Figure 7 The structure of the oxygen supply system of this application is shown in FIG. Figure 1 .

[0034] Figure 8The structure of the oxygen supply system of this application is shown in FIG. Figure 2 .

[0035] Fig. 9 This is a schematic diagram of the structure of the barrel cover of this application.

[0036] Fig.10 For this application Figure 3 A schematic diagram of the enlarged structure of .

[0037] Fig.11 This is another three-dimensional structural schematic diagram of the present application.

[0038] Fig.12 This is a schematic diagram of the structure of the agitator of the present application.

[0039] Fig.13 The structure of the stirring blade assembly of this application is shown in FIG. Figure 1 .

[0040] Fig.14 The structure of the stirring blade assembly of this application is shown in FIG. Figure 2 .

[0041] Explanation of reference numerals: 1-barrel body; 11-discharging door; 12-side wall assembly; 13-water diversion trough; 14-handle; 15-visible window; 2-base; 21-concave cavity; 3-barrel cover; 31-support rod; 32-magnetic device; 33-sealing ring; 331-sealing slope; 4-oxygen supply system; 41-oxygen supply pipeline; 411-vent; 42-intake valve; 421-inner air inlet nozzle; 422-outer air inlet nozzle; 43-fixing buckle; 5-liquid fertilizer collection box; 51-liquid fertilizer collection port; 52-water output adjustment regulator; 53-mixing switch; 54-water inlet; 6-electric auxiliary heating system; 61-heating plate; 62-battery; 63-solar panel; 64-thermostat; 7-water filter bottom plate; 71-diversion chute; 72-filtrate hole; 8-activated carbon box; 9-thermometer; 10-lock; 100-agitator; 110-rod body; 1101-mounting hole; 120-handle; 130-stirring blade assembly; 1301-swinging blade; 13011-tooth surface; 13012-lower limit stop convex. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the implementation modes and the accompanying drawings. Here, the illustrative implementation modes and descriptions of the present application are used to explain the present application, but are not intended to limit the present application.

[0043] refer to Figures 1 to 14 ,like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 , Figure 8 and Fig.11 As shown, this embodiment provides a combined composting fermentation system, including at least one fermentation barrel, the fermentation barrel includes a combined barrel body, a detachable barrel cover 3 arranged at the upper opening of the barrel body, an electric auxiliary heating system 6 and an oxygen supply system 4 arranged on the barrel body, the electric auxiliary heating system 6 is used to heat the temperature in the fermentation chamber, the oxygen supply system 4 includes an oxygen supply pipeline 41 installed at the middle part of the inner wall of the barrel body and at least one air intake valve 42 installed on the side wall of the barrel body, the air intake valve 42 is connected to the oxygen supply pipeline 41, the air intake amount of the air intake valve 42 is adjustable, and a plurality of water diversion grooves 13 distributed in an annular manner and extending in the vertical direction are provided on the inner wall of the barrel body, and the corresponding vents 411 located on the lower plane of the oxygen supply pipeline 41 correspond to the positions of the corresponding water diversion grooves 13, so as to facilitate the air to flow from the water diversion grooves 13 into different positions in the barrel body.

[0044] Specifically, when the present application has multiple fermentation barrels, they are fixed in a splicing form to form a row for use, the oxygen supply pipe 41 is in a ring shape, the oxygen supply pipe 41 is coaxially arranged with the barrel body, and the gas entering the oxygen supply pipe 41 through the air inlet valve 42 may flow along the oxygen supply pipe 41 in a circular manner, so that the gas can enter the raw material from multiple directions along each vent 411, so that the oxygen supply effect is better; Fig. 9As shown, one installation method of the barrel cover 3 is: the barrel cover 3 is hinged on the barrel body through a hinge, and the barrel cover 3 can be connected to the barrel body through at least one lock buckle 10 to realize the closing and locking of the barrel cover 3. A support rod 31 with one end hinged and rotatable with the barrel cover 3 is provided on the inner wall of the barrel cover 3, and the other end of the support rod 31 can be attracted with a magnetic suction device 32 arranged on the barrel cover 3 so that the support rod 31 can be reliably stored in the corresponding storage groove of the barrel cover 3. When the barrel cover 3 is opened, the support rod 31 is pulled open by manpower and the other end of the support rod is plugged into the corresponding socket on the barrel body to keep the barrel cover 3 in an open state. Other structures such as the opening and locking method of the outward or inward push window in the prior art, wherein the socket is preferably set to two, the socket of the socket faces the compost chamber, and the hinge of the support rod 31 has a certain Activity space, the support rod 31 is movable so that the hook at the other end of the support rod 31 can be connected or separated from the jack; another installation method of the barrel cover 3 is: the barrel cover 3 is not hinged with the body, and the barrel cover 3 can also be closed and locked by multiple lock buckles 10; a discharge port is provided on the side of the barrel body, and an openable discharge door 11 is installed at the discharge port, and the discharge door 11 can be closed and locked by a door lock; an activated carbon box 8 is provided at the exhaust hole on the barrel cover 3, and the activated carbon box 8 can adsorb bacteria in the exhaust gas, reduce the environmental pollution of the exhaust gas, and can also reduce the odor of the exhaust gas, so that the composting process is environmentally friendly and clean, and an inwardly concave handle 14 is provided on the outer wall of the barrel body to facilitate the transportation of the present application; the oxygen supply pipe 41 is an aluminum tube, and the oxygen supply pipe 41 is fixedly installed on the inner wall of the barrel body by multiple fixing buckles 43.

[0045] In the embodiments of the present application, Fig.10 As shown, a sealing ring 33 is provided on the circumferential surface of the barrel cover 3, and the outer circumferential surface of the sealing ring 33 has a sealing bevel 331. The upper opening of the barrel body is provided with a tapered hole section that cooperates with the sealing bevel 331. Under the gravity of the barrel cover 3, the sealing ring 33 is automatically pressed downward, and the cooperation between the sealing bevel 331 and the tapered hole section makes the joint between the barrel cover 3 and the barrel body highly sealed, thereby minimizing the discharge of gas that has not been treated by the activated carbon box 8.

[0046] In the embodiments of the present application, Figure 3 As shown, the air intake valve 42 includes an inner air intake nozzle 421 connected to the barrel body and an outer air intake nozzle 422 rotatably mounted on the inner air intake nozzle 421 .

[0047] Specifically, the inner air inlet nozzle 421 and the outer air inlet nozzle 422 are both provided with a plurality of annularly distributed air inlet holes, and the size of the air inlet is adjusted by utilizing the overlap of the inner and outer air inlet holes to thereby achieve regulation of the air intake volume. When all the inner and outer air inlet holes completely overlap, the air intake volume is maximum. The air intake valve 42 may further include an inner air inlet nozzle 421 having an air inlet hole and a radial push-pull plate arranged on the inner air inlet nozzle 421, and the push-pull plate is utilized to adjust the covering area of ​​the air inlet hole to adjust the size of the air inlet, thereby thereby adjusting the air intake volume.

[0048] The air intake valve 42 may also be an existing angle valve or needle valve, and the air flow rate can be adjusted by adjusting the valve stem. The air intake valve 42 can be connected to the existing air supply system, and air with a certain pressure enters the barrel to supply oxygen to the raw materials.

[0049] In an embodiment of the present application, when the present application has a fermentation barrel, the barrel body includes a detachable barrel body 1 and a base 2, the barrel body 1 is spliced ​​by at least two side wall splicing bodies 12, the top surface of the base 2 has a concave cavity 21 that is plugged into and fits with the barrel body 1, a water filter bottom plate 7 is placed in the barrel body 1, and a liquid storage cavity is formed between the water filter bottom plate 7 and the concave cavity 21.

[0050] Specifically, the barrel body 1 in the present application is composed of four side wall splicing bodies 12, and the splicing parts of the adjacent side wall splicing bodies 12 are made of a plurality of convex pieces arranged on the side and a plurality of empty grooves arranged on the corresponding outer sides, and the adjacent side wall splicing bodies 12 are pushed and assembled together and then fixedly connected by screws, which can play a better role in heat preservation. The barrel body 1 is connected to the base 2 by screws, and the top surface of the barrel body 1 and the base 2 are abutted. Since the lower part of the barrel body 1 is located in the concave cavity 21, the liquid fertilizer flowing out through the water diversion groove 13 will directly enter the The concave cavity 21 prevents the liquid fertilizer from flowing out from the joint of the barrel body 1 and the base 2. The discharge door 11 is arranged on a side wall joint body 12. The concave cavity 21 is a depression with high periphery and low middle. A liquid outlet is arranged at the lowest point of the concave cavity 21. When the liquid outlet is opened, the liquid fertilizer can be discharged through the liquid outlet and then stored in a container or directly infiltrated into the soil for use. The liquid outlet is also closed with a plug so that the liquid fertilizer can be temporarily stored in the liquid storage cavity for a short time. The side wall of the barrel body 1 and the barrel cover 3 are both hollow, and the hollow cavity is filled with heat-insulating material, which can more effectively prevent temperature loss.

[0051] When the present application has multiple fermentation barrels that are spliced ​​together in a row, one structure is: it is formed by splicing multiple independent fermentation barrels; the other structure is: the bases 2 of the multiple fermentation barrels are spliced ​​together into one by using a concave-convex staggered structure, and the barrel bodies 1 of the multiple fermentation barrels are spliced ​​together by several side wall splicing bodies 12 to form a large cavity, and multiple partitions are arranged in the cavity to form multiple independent fermentation chambers, so that two adjacent fermentation chambers share the same partition, and the partition is limited by a slide groove or fixed by screws to make the structure compact.

[0052] In the embodiment of the present application, a visual window 15 is provided on the barrel body 1, and the fermentation process in the fermentation chamber can be conveniently observed through the visual window 15.

[0053] In an embodiment of the present application, the electric auxiliary heating system 6 may be disposed on the barrel cover 3 or on the side wall of the barrel body 1 .

[0054] In the embodiment of the present application, preferably, the electric auxiliary heating system 6 is arranged on the barrel cover 3 .

[0055] In an embodiment of the present application, the electric auxiliary heating system 6 includes a heating plate 61, a battery 62 and a solar panel 63. The heating plate 61 and the solar panel 63 are both electrically connected to the battery 62. The heating plate 61 is arranged on the inner side of the barrel cover 3. The battery 62 may also be provided with a charging port connected to a charging cable, so that the battery 62 can be connected to the mains or a mobile power supply for charging. The heating plate 61 is formed by winding a heating wire or using a metal plate.

[0056] In the embodiment of the present application, a temperature measuring instrument 9 is provided on the side wall of the barrel.

[0057] Specifically, the thermometer 9 can be set separately, such as an electronic thermometer that can be used wirelessly. The thermometer 9 belongs to the prior art, and the specific structure and principle do not belong to the protection scope of this application. The electric auxiliary heating system 6 can be provided with a control switch, and the temperature display on the thermometer 9 is used to manually operate the control switch to control whether the electric auxiliary heating system 6 works or not; the thermometer 9 can also be linked with the electric auxiliary heating system 6 by setting a thermostat 64, and the thermometer 9, the heating plate 61, the thermostat 64 and the storage battery 62 The thermostat 64 uses the temperature measurement data of the thermometer 9 to determine whether the electric auxiliary heating system 6 needs to work. Preferably, when the temperature in the barrel is lower than 60°C, the thermostat 64 controls the heating plate 61 to work, and when the temperature in the barrel is higher than 70°C, the thermostat 64 controls the heating plate 61 to stop working. The type selection of the thermostat 64 and the thermometer 9 and the control programming procedure of the thermostat 64 do not belong to the protection scope of this application, and have the same working principle as the existing temperature control device.

[0058] In the embodiments of the present application, Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, a removable liquid fertilizer collection box 5 is provided in the base 2 of the barrel body, and the liquid in the liquid storage cavity can flow into the liquid fertilizer collection box 5, and the liquid fertilizer collection box 5 can also be used alone as a spray pot.

[0059] Specifically, the liquid fertilizer collecting box 5 has a liquid discharge port and a liquid fertilizer collecting port 51 that can be communicated with the liquid outlet of the concave cavity 21. The liquid fertilizer collected in the concave cavity 21 can enter the liquid fertilizer collecting box 5 for storage. The liquid discharge port is provided with a water inlet 54, a water outlet regulator 52 and a mixing switch 53 for controlling whether the liquid fertilizer and water can be mixed. The water outlet regulator 52 is used to adjust the spraying amount, wherein the water inlet 54, the water outlet regulator 52, the mixing switch 53 and the liquid discharge port are distributed in a four-corner cross, and the mixing switch 53 is arranged opposite to the liquid discharge port. The mixing switch 53 can be a valve stem / valve stem that cooperates with the liquid discharge port. The valve ball is operated by moving the valve stem / pressing the pressure cover of the valve ball to separate the valve stem / valve ball from the drainage port to control the drainage port to open and connect with the water inlet 54 and the water outlet regulator 52, or to make the valve stem / valve ball press against the drainage port to close the drainage port. The water outlet regulator 52 can be the same as the water outlet regulation principle at the existing watering pot mouth or the regulation principle at the faucet outlet or the regulation principle of the shower head. When the liquid fertilizer collection box 5 needs to be used alone, a plug is installed at the liquid fertilizer collection port 51. When the liquid fertilizer collection box 5 needs to be cleaned, the liquid fertilizer collection port 51 can be used to irrigate the liquid fertilizer collection box 5 for flushing.

[0060] In the embodiments of the present application, Figure 4 As shown, the center position of the water filter bottom plate 7 is low-lying, and a plurality of guide chute 71 with outer height and inner bottom is provided at the edge of the upper surface of the water filter bottom plate 7. The slope of the water filter bottom plate 7 is used to smoothly guide the liquid fertilizer to the liquid outlet of the cavity 21 for convenient and complete discharge to avoid waste. The setting of the guide chute 71 can increase the liquid storage capacity of the cavity 21 while playing a guiding role, and avoid the accumulation of a large amount of liquid fertilizer at the connection between the water filter bottom plate 7 and the barrel body 1, and the inner wall of the barrel body 1 is provided with a shoulder for supporting and lifting the water filter bottom plate 7, so that the water filter bottom plate 7 can be installed stably, and the filtrate holes 72 of the water filter bottom plate 7 are evenly distributed, and it is ensured that each of the guide chute 71 is provided with at least one filtrate hole 72 near the low slope.

[0061] In the embodiment of the present application, the combined composting fermentation system further includes a stirrer 100 capable of stirring the compost placed in the barrel.

[0062] Specifically, the stirrer 100 is a stirring rod independent of the compost barrel or a rotatable stirring component installed in the compost barrel. When the stirrer 100 is a stirring rod, when in use, the barrel cover 3 is opened, and the stirring rod is used to stir and fluff the raw materials; when the stirrer 100 is a rotatable stirring component installed in the compost barrel, when in use, the barrel cover 3 is opened to manually drive the stirring component, or the driving shaft of the stirring component passes through the barrel cover 3 (which can be achieved when the barrel cover 3 is not hingedly installed), and the stirring component can be manually driven without opening the barrel cover 3.

[0063] In the embodiments of the present application, preferably, Fig.11 As shown, the stirrer 100 is a stirring rod, and the stirrer 100 includes a rod body 110 and at least one set of stirring blade assemblies 130 mounted on the rod body 110. The rod body 110 is provided with a handle 120. The handle 120 makes the stirrer 100 easy to hold and use.

[0064] like Fig.12 , Fig.13 and Fig.14 As shown, the rod body 110 is provided with a mounting hole 1101 penetrating in the radial direction, and the stirring blade assembly 130 is pivotally mounted in the mounting hole 1101. The stirring blade assembly 130 includes two symmetrical and coaxial swinging blades 1301. The mounting hole 1101 can be used to limit the swinging angle of the swinging blade 1301. When the stirrer 100 is inserted and rotated, the swinging blade 1301 is used to stir and fluff the raw materials.

[0065] In an embodiment of the present application, the two side surfaces of the two swing blades 1301 are flush, and the side raised portions of the swing blades 1301 are used to enable the two swing blades 1301 to abut against each other. When the swing blades 1301 abut against each other, the two swing blades 1301 are prevented from approaching each other. The swing blades 1301 are provided with a lower limit stop convex 13012 that can abut against the rod body 110. When the lower limit stop convex 13012 abuts against the rod body 110, the two swing blades 1301 are prevented from continuing to move away from each other, thereby limiting the swing angle range of the swing blades 1301. The swing blades 1301 can be swung by pulling the agitator 100 up and down, and the swing blades 1301 can swing when the agitator 100 rotates, so that the raw materials can be loosened for a better processing effect.

[0066] In the embodiment of the present application, the opposite sides of the two swing blades 1301 are provided with tooth surfaces 13011, and the tooth surfaces 13011 are utilized to achieve a better mixing effect of the raw materials.

[0067] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the embodiments of the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A combined composting and fermentation system, characterized in that: The invention comprises at least one fermentation barrel, the fermentation barrel comprising a combined barrel body, a barrel cover (3) detachably arranged at the upper opening of the barrel body, an electric auxiliary heating system (6), and an oxygen supply system (4) arranged on the barrel body, the electric auxiliary heating system (6) being used to increase the temperature in the fermentation chamber, the oxygen supply system (4) comprising an oxygen supply pipeline (41) installed on the inner wall of the barrel body and at least one air intake valve (42) installed on the side wall of the barrel body, the air intake valve (42) being connected to the oxygen supply pipeline (41), the air intake amount of the air intake valve (42) being adjustable, a plurality of water diversion grooves (13) extending in the vertical direction are arranged on the inner wall of the barrel body, and corresponding air vents (411) located on the lower plane of the oxygen supply pipeline (41) correspond to the positions of the corresponding water diversion grooves (13).

2. The combined composting and fermentation system according to claim 1, characterized in that: The electric auxiliary heating system (6) is arranged on the barrel cover (3), wherein the electric auxiliary heating system (6) comprises a heating plate (61), a storage battery (62) and a solar panel (63), and the heating plate (61) and the solar panel (63) are both electrically connected to the storage battery (62).

3. The combined composting and fermentation system according to claim 1, characterized in that: A removable liquid fertilizer collection box (5) is provided in the base (2) of the barrel body, and the liquid fertilizer collection box (5) can also be used as a spray pot.

4. The combined composting and fermentation system according to claim 3, characterized in that: The liquid fertilizer collection box (5) has a liquid fertilizer collection port (51) and a liquid discharge port. The liquid discharge port is provided with a water inlet (54), a water output regulator (52), and a mixing switch (53) for controlling whether the liquid fertilizer and water can be mixed. The water output regulator (52) is used to adjust the spraying amount.

5. The combined composting and fermentation system according to claim 1, characterized in that: An activated carbon box (8) is provided at the exhaust hole on the barrel cover (3), and a temperature measuring instrument (9) is provided on the side wall of the barrel body.

6. The combined composting and fermentation system according to claim 4, characterized in that: The barrel body comprises a separable barrel body (1) and a base (2); the barrel body (1) is formed by splicing at least two side wall splicing bodies (12); the top surface of the base (2) has a concave cavity (21) that is plugged into and fits with the barrel body (1); a water filter bottom plate (7) is placed in the barrel body (1); a liquid storage cavity is formed between the water filter bottom plate (7) and the concave cavity (21); liquid in the liquid storage cavity can flow into the liquid fertilizer collection box (5).

7. The combined composting and fermentation system according to claim 6, characterized in that: The center of the water filter bottom plate (7) is low-lying, and a plurality of diversion inclined grooves (71) with outer heights and inner bottoms are provided at the edge of the upper surface of the water filter bottom plate (7).

8. The combined composting and fermentation system according to claim 1, characterized in that: The air intake valve (42) comprises an inner air intake nozzle (421) connected to the barrel body and an outer air intake nozzle (422) rotatably sleeved on the inner air intake nozzle (421).

9. The combined composting and fermentation system according to claim 1, characterized in that: The barrel cover (3) is provided with a sealing ring (33), the outer peripheral surface of the sealing ring (33) has a sealing inclined surface (331), and the upper opening of the barrel body is provided with a tapered hole section that matches the sealing inclined surface (331).

10. The combined composting and fermentation system according to claim 1, characterized in that: Also included is a stirrer (100) capable of stirring the compost placed in the barrel.

11. The combined composting and fermentation system according to claim 10, characterized in that: The stirrer (100) comprises a rod body (110) and at least one group of stirring blade assemblies (130) mounted on the rod body (110); a handle portion (120) is provided on the rod body (110).

12. The combined composting and fermentation system according to claim 11, characterized in that: The rod body (110) is provided with a mounting hole (1101) penetrating in the radial direction, and the stirring blade assembly (130) is pivotally mounted in the mounting hole (1101). The stirring blade assembly (130) comprises two symmetrical and coaxial swing blades (1301).

13. The combined composting and fermentation system according to claim 12, characterized in that: When the two swing blades (1301) abut against each other, the two swing blades (1301) are prevented from approaching each other, and a lower limit abutting protrusion (13012) capable of abutting against the rod body (110) is provided on the swing blade (1301).

14. The combined composting and fermentation system according to claim 13, characterized in that: The opposite sides of the two swing blades (1301) are arranged in a tooth surface shape (13011).

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