Fertilizer fermentation device based on bacterial activity

Abstract

The utility model provides a fertilizer fermentation device based on bacterial activity, which comprises a barrel body, a fermentation tank, a fermentation tank and a fermentation tank, the top of the barrel body is provided with a feed port, a cover body covers the feed port, and the lower part of the barrel body is provided with a discharge port; the fertilizer storage bin is arranged in the cylinder body; the crushing device is arranged below the feeding opening, the crushing device is further located in the cylinder body, and the first controller is arranged at the top of the outer side wall of the cylinder body; a stirring part of the stirring device is arranged in the cylinder body, and the second controller is arranged at the bottom of the cylinder body; the oxygen supply device is fixed on the cylinder body through a fixing device, the third controller is arranged on the outer side wall of the cylinder body, and the oxygen supply device is communicated with the fertilizer storage bin. The crushing device, the stirring device and the oxygen supply device are matched with one another, so that the fertilizer fermentation effect can reach the optimal state.

Description

Technical Field

[0001] The utility model relates to the technical field of fermentation devices, in particular to a fertilizer fermentation device based on bacterial activity. Background Art

[0002] Bacterial fertilizer, also known as biological fertilizer, biofertilizer, bacterial fertilizer or inoculant, etc. Bacterial fertilizer, figuratively speaking, is "bacteria + fertilizer", because on the one hand, bacterial fertilizer contains "organic matter, nitrogen, phosphorus, potassium" and other nutrients necessary for crop growth, and at the same time, the product also contains a large number of beneficial microorganisms, which reproduce in the soil and play a role in improving soil and preventing diseases. Soil is composed of three major parts: minerals, organic matter and microorganisms, and is the basis for the growth and development of crops. Beneficial microorganisms in the soil are directly involved in the transformation of substances and energy in the soil, the formation and decomposition of humus, the release of nutrients, and the fixation of nitrogen, etc. A series of soil fertility formation and development processes. Increasing the number of beneficial microorganisms in the soil by artificial means can enhance the activity of microorganisms in the soil, thereby improving the fertility of the soil. In particular, the microbial activity of the microecological system of the rhizosphere soil of crops is more important for the nutrition of plant roots. Therefore, applying microbial fertilizers in the rhizosphere of plants can increase the number and activity of beneficial bacteria in the rhizosphere soil, leading to the enhancement of soil fertility.

[0003] However, before using the bacterial fertilizer, it needs to be fermented to maximize its effectiveness. Fermentation of bacterial fertilizer can kill parasites, insect eggs, harmful bacteria, weed seeds, etc. It is a process of harmlessness, mineralization, and humification. Fermentation can produce beneficial microorganisms and nutrients, including organic acids, amino acids, proteins, enzymes, etc., which can provide nutrients for plants and promote plant growth and development. Fermentation can improve the soil environment, increase soil fertility, and increase the content of soil organic matter. Therefore, it is necessary to accurately ferment the bacterial fertilizer to maximize its effectiveness.

[0004] Therefore, there is an urgent need for a fertilizer fermentation device based on bacterial activity to solve the problem of how to accurately ferment the bacterial fertilizer and achieve the best fermentation effect. Utility Model Content

[0005] In view of this, the utility model proposes a fertilizer fermentation device based on bacterial activity, aiming to solve the problem of how to accurately ferment bacterial fertilizer and achieve the best fermentation effect.

[0006] The utility model provides a fertilizer fermentation device based on bacterial activity, comprising:

[0007] The cylinder has a feed port at the top, a cover body is provided above the feed port, and a discharge port is provided at the bottom of the cylinder;

[0008] A fertilizer storage bin is arranged in the cylinder, and is used to store fermented fertilizer;

[0009] A crushing device and a first controller, wherein the crushing device is arranged below the feed port and is also located in the cylinder, the first controller is arranged on the top of the outer wall of the cylinder, the first controller is electrically connected to the crushing device, and the crushing device is used to crush the fertilizer into blocks;

[0010] A stirring device and a second controller, wherein the stirring portion of the stirring device is disposed in the cylinder, the second controller is disposed at the bottom of the cylinder, the second controller is electrically connected to the stirring device, and the stirring device is used to stir the fertilizer in the cylinder;

[0011] An oxygen supply device and a third controller, wherein the oxygen supply device is fixed to the cylinder by a fixing device, the third controller is arranged on the outer wall of the cylinder, the third controller is electrically connected to the oxygen supply device, and the oxygen supply device is connected to the fertilizer storage bin so that the oxygen supply device transports oxygen into the fertilizer storage bin to provide it to the fertilizer.

[0012] Furthermore, the fertilizer fermentation device based on bacterial activity also includes:

[0013] A partition layer is arranged between the cylinder and the fertilizer storage bin, and the partition layer is an empty layer;

[0014] A water inlet pipe, which is arranged on the outer side wall of the cylinder, and is used to introduce an external water source into the interlayer;

[0015] A water outlet pipe is arranged on the outer side wall of the cylinder, and is used to discharge water in the barrier.

[0016] Furthermore, the fertilizer fermentation device based on bacterial activity also includes:

[0017] A monitoring device, which is arranged on the inner wall of the fertilizer storage bin, and is used to monitor parameters in the fertilizer storage bin, and the monitoring device is electrically connected to the third controller;

[0018] Among them, the parameters in the fertilizer storage bin include: fertilizer storage bin temperature and fertilizer storage bin oxygen content.

[0019] Furthermore, the pulverizing device comprises:

[0020] A first motor is provided in plurality, and the plurality of first motors are arranged side by side in the cylinder;

[0021] A plurality of crushing rollers are provided, and the crushing rollers are connected to the first motor;

[0022] The bearings are provided in a plurality, and the bearings are embedded in the inner wall of the cylinder, and one end of the crushing roller away from the first motor is inserted into the bearing.

[0023] Furthermore, the stirring device comprises:

[0024] A second motor, which is fixed to the bottom of the outer side wall of the cylinder;

[0025] A stirring unit is arranged in the fertilizer storage bin, and the stirring unit is connected to the second motor; wherein the stirring unit comprises:

[0026] A plurality of L-shaped shafts are provided, wherein the L-shaped shafts are fitted with the inner wall of the fertilizer storage bin, and one end of the L-shaped shafts is fixed to the rotating shaft of the second motor;

[0027] A vertical shaft, the bottom end of which is fixed to the rotating shaft of the second motor;

[0028] The horizontal axis is set to be multiple, and the multiple horizontal axes are distributed on the vertical axis.

[0029] Furthermore, the oxygen supply device comprises:

[0030] An oxygen storage tank, in which oxygen is stored;

[0031] An oxygen supply pipe passes through the cylinder to communicate with the oxygen storage tank and the fertilizer storage bin.

[0032] Furthermore, a plurality of protrusions are arranged on the roller body of the crushing roller.

[0033] Furthermore, sealing rings are provided at the connection between the oxygen supply pipe and the oxygen storage tank and at the connection between the oxygen supply pipe and the cylinder.

[0034] Compared with the prior art, the beneficial effect of the utility model lies in that a cover is provided on the feed port, so that the cylinder can remain sealed when the fertilizer is fermenting; a crushing device is provided under the feed port, so that the fertilizer in blocks can be crushed to make the fertilizer fermentation more complete; a stirring device is provided in the fertilizer storage bin, so that the fertilizer can be fully stirred to make the fertilizer fermentation evenly; an oxygen supply device is provided on the outer wall of the cylinder, so that oxygen can be provided to the fermenting fertilizer to make the fertilizer fermentation more thorough; the mutual cooperation of the crushing device, the stirring device and the oxygen supply device can make the fertilizer fermentation effect reach the best state. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0036] Figure 1 A cross-sectional view of a fertilizer fermentation device based on bacterial activity provided by an embodiment of the utility model;

[0037] Figure 2 A front view of a fertilizer fermentation device based on bacterial activity provided by an embodiment of the utility model;

[0038] Figure 3 A top view of a fertilizer fermentation device based on bacterial activity provided in an embodiment of the utility model.

[0039] In the figure: 100, cylinder; 110, feed inlet; 120, cover; 130, discharge outlet; 140, fertilizer storage bin; 150, interlayer; 151, water inlet pipe; 152, water outlet pipe; 200, crushing device; 210, first controller; 220, first motor; 230, crushing roller; 231, protrusion; 240, bearing; 300, stirring device; 310, second controller; 320, second motor; 330, stirring part; 331, L-shaped shaft; 332, vertical axis; 333, horizontal axis; 400, oxygen supply device; 410, third controller; 420, oxygen storage tank; 430, oxygen supply pipe; 440, sealing ring; 500, monitoring device. DETAILED DESCRIPTION

[0040] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0041] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0042] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0043] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0044] See also Figure 1-3 As shown, this embodiment provides a fertilizer fermentation device based on bacterial activity, including a cylinder 100, a feed inlet 110 is arranged on the top, a cover 120 is arranged above the feed inlet 110, and a discharge port 130 is arranged at the lower part of the cylinder 100; a fertilizer storage bin 140 is arranged in the cylinder 100, and the fertilizer storage bin 140 is used to store fermented fertilizer; a crushing device 200 and a first controller 210, the crushing device 200 is arranged below the feed inlet 110, the crushing device 200 is also located in the cylinder 100, the first controller 210 is arranged on the top of the outer wall of the cylinder 100, the first controller 210 is electrically connected to the crushing device 200, and the crushing device 200 is used to crush the fertilizer into blocks;

[0045] A stirring device 300 and a second controller 310, wherein the stirring portion 330 of the stirring device 300 is disposed in the cylinder 100, the second controller 310 is disposed at the bottom of the cylinder 100, the second controller 310 is electrically connected to the stirring device 300, and the stirring device 300 is used to stir the fertilizer in the cylinder 100; an oxygen supply device 400 and a third controller 410, wherein the oxygen supply device 400 is fixed to the cylinder 100 by a fixing device, the third controller 410 is disposed on the outer wall of the cylinder 100, the third controller 410 is electrically connected to the oxygen supply device 400, and the oxygen supply device 400 is communicated with the fertilizer storage bin 140 so that the oxygen supply device 400 transports oxygen into the fertilizer storage bin 140 to provide it to the fertilizer.

[0046] It can be understood that a cover body 120 is provided on the feed port 110, so that the cylinder body 100 can remain sealed when the fertilizer is fermenting; a crushing device 200 is provided under the feed port 110, so that the fertilizer blocks can be crushed to make the fertilizer fermentation more complete; a stirring device 300 is provided in the fertilizer storage bin 140, so that the fertilizer can be fully stirred to make the fertilizer fermentation evenly; an oxygen supply device 400 is provided on the outer wall of the cylinder body 100, so that oxygen can be provided to the fermenting fertilizer to make the fertilizer fermentation more thorough; the mutual cooperation of the crushing device 200, the stirring device 300 and the oxygen supply device 400 can achieve the best effect of fertilizer fermentation.

[0047] In a specific embodiment of the present application, the fertilizer fermentation device based on bacterial activity also includes a partition 150, which is arranged between the cylinder 100 and the fertilizer storage bin 140, and the partition 150 is an empty layer; a water inlet pipe 151, which is arranged on the outer wall of the cylinder 100, and the water inlet pipe 151 is used to introduce an external water source into the partition 150; a water outlet pipe 152, which is arranged on the outer wall of the cylinder 100, and the water outlet pipe 152 is used to discharge the water in the partition 150.

[0048] It can be understood that a partition 150 is provided between the cylinder 100 and the fertilizer storage bin 140. During the fermentation process, hot water or cold water can be added to the partition 150 according to the fermentation status of the fertilizer, and liquids such as coolants can also be added. The provision of the partition 150 can quickly increase or decrease the temperature of the fertilizer, and is simple to operate and highly practical.

[0049] In a specific embodiment of the present application, the fertilizer fermentation device based on bacterial activity also includes a monitoring device 500, which is arranged on the inner wall of the fertilizer storage bin 140, and the monitoring device 500 is used to monitor the parameters in the fertilizer storage bin 140, and the monitoring device 500 is electrically connected to the third controller 410; wherein, the parameters in the fertilizer storage bin 140 include: the temperature of the fertilizer storage bin 140 and the oxygen content of the fertilizer storage bin 140.

[0050] It is understandable that the monitoring device 500 is provided on the inner wall of the fertilizer storage bin 140, and various parameters in the fertilizer storage bin 140 can be monitored in real time, so as to adjust the temperature, oxygen content and other parameters of the fertilizer storage bin 140 according to these parameters, so that the fertilizer can be fully fermented. Preferably, the parameters in the fertilizer storage bin 140 include but are not limited to the temperature in the fertilizer storage bin 140 and the oxygen content in the fertilizer storage bin 140, and the monitoring device 500 includes but is not limited to a temperature sensor and an oxygen sensor.

[0051] In a specific embodiment of the present application, the crushing device 200 includes a first motor 220, which is set to be a plurality of first motors 220, and the plurality of first motors 220 are arranged side by side in the cylinder 100; a crushing roller 230, which is set to be a plurality of crushing rollers 230, and the crushing rollers 230 are connected to the first motor 220; a bearing 240, which is set to be a plurality of bearings 240, and the bearings 240 are embedded in the inner wall of the cylinder 100, and one end of the crushing roller 230 away from the first motor 220 is inserted in the bearing 240.

[0052] It can be understood that a plurality of first motors 220 drive a plurality of crushing rollers 230 to rotate, and the crushing rollers 230 rotate under the feed port 110, so that the block fertilizer thrown in from the feed port 110 can be crushed after passing through the gaps between the crushing rollers 230, so that the fertilizer entering the fertilizer storage bin 140 can be fully fermented.

[0053] In a specific embodiment of the present application, the stirring device 300 includes a second motor 320, which is fixed at the bottom of the outer wall of the cylinder 100; a stirring part 330, which is arranged in the fertilizer storage bin 140, and the stirring part 330 is connected to the second motor 320; wherein the stirring part 330 includes an L-shaped shaft 331, which is provided in plurality, the L-shaped shaft 331 is in contact with the inner wall of the fertilizer storage bin 140, and one end of the L-shaped shaft 331 is fixed on the rotating shaft of the second motor 320; a vertical shaft 332, whose bottom end is fixed to the rotating shaft of the second motor 320; a horizontal shaft 333, which is provided in plurality, and a plurality of horizontal shafts 333 are distributed on the vertical shaft 332.

[0054] It can be understood that a plurality of L-shaped shafts 331 are fitted to the inner wall of the fertilizer storage bin 140, so that the L-shaped shafts 331 are fixed on the rotating shaft of the second motor 320, and the L-shaped shafts 331 are used to scrape off the fertilizer adhered to the inner wall of the fertilizer storage bin 140 through the rotation of the rotating shaft of the second motor 320, so that all fertilizers can participate in the stirring, and the fertilizer fermentation is uniform and sufficient; the cooperation of the vertical shaft 332 and a plurality of horizontal shafts 333 can stir the fertilizer in the middle of the fertilizer storage bin 140, and the combined stirring of the L-shaped shaft 331, the horizontal shaft 333 and the vertical shaft 332 can enable the fertilizer in the fertilizer storage bin 140 to participate in the stirring, so that the fertilizer fermentation is sufficient and uniform.

[0055] In a specific embodiment of the present application, the oxygen supply device 400 includes an oxygen storage tank 420, which stores oxygen inside; an oxygen supply pipe 430, which passes through the cylinder 100 and connects the oxygen storage tank 420 and the fertilizer storage bin 140.

[0056] It is understandable that the oxygen storage tank 420 transports oxygen into the fertilizer storage bin 140 through the oxygen supply pipe 430, so as to add oxygen to the fertilizer in the fertilizer storage bin 140, which is convenient and quick.

[0057] In a specific embodiment of the present application, a plurality of protrusions 231 are provided on the roller body of the crushing roller 230 .

[0058] It can be understood that a plurality of protrusions 231 are provided on the roller body of the crushing roller 230, so as to crush the block fertilizer and improve the crushing effect of the block fertilizer.

[0059] In a specific embodiment of the present application, a sealing ring 440 is provided at the connection between the oxygen supply tube 430 and the oxygen storage tank 420 and at the connection between the oxygen supply tube 430 and the cylinder 100 .

[0060] It is understandable that providing the sealing ring 440 can ensure the airtightness of the cylinder 100 .

[0061] The working principle of the utility model is as follows: fertilizer is put in through the feed port 110, the fertilizer is crushed by the crushing roller 230 and then enters the fertilizer storage bin 140, the cover body 120 is covered to keep the cylinder 100 airtight, the stirring device 300 stirs the fertilizer, the oxygen storage tank 420 transmits oxygen to the fertilizer storage bin 140 through the oxygen supply pipe 430, the monitoring device 500 monitors the parameters in the fertilizer storage bin 140 in real time, and transmits the parameter information to the third controller 410, so that the third controller 410 adjusts the oxygen supply from the oxygen storage tank 420 to the fertilizer storage bin 140 according to the oxygen content in the fertilizer storage bin 140, puts or discharges heating liquid or refrigeration liquid into or out of the interlayer 150, increases or decreases the temperature of the fertilizer, and the fertilizer after fermentation is discharged through the discharge port 130.

[0062] In summary, a cover body 120 is provided on the feed port 110, so that the cylinder body 100 can remain sealed when the fertilizer is fermenting. A crushing device 200 is provided under the feed port 110, so that the fertilizer in blocks can be crushed to make the fertilizer fermentation more complete. A stirring device 300 is provided in the fertilizer storage bin 140, so that the fertilizer can be fully stirred to make the fertilizer fermentation evenly. An oxygen supply device 400 is provided on the outer wall of the cylinder body 100, so that oxygen can be provided to the fermenting fertilizer to make the fertilizer fermentation more thorough. The mutual cooperation of the crushing device 200, the stirring device 300 and the oxygen supply device 400 can achieve the best effect of fertilizer fermentation.

[0063] Furthermore, a partition 150 is provided between the cylinder 100 and the fertilizer storage bin 140. During the fermentation process, hot water or cold water can be added to the partition 150 according to the fermentation status of the fertilizer. Liquids such as coolant can also be added. The provision of the partition 150 can quickly increase or decrease the temperature of the fertilizer, and the operation is simple and practical. A monitoring device 500 is provided on the inner wall of the fertilizer storage bin 140, which can monitor various parameters in the fertilizer storage bin 140 in real time, so as to adjust the temperature, oxygen content and other parameters of the fertilizer storage bin 140 according to these parameters, so that the fertilizer can be fully fermented. A plurality of first motors 220 drive a plurality of crushing rollers 230 to rotate, and the crushing rollers 230 rotate under the feed port 110, so that the block fertilizer thrown in from the feed port 110 can be crushed after passing through the gap between the crushing rollers 230, so that the fertilizer entering the fertilizer storage bin 140 can be fully fermented.

[0064] Furthermore, a plurality of L-shaped shafts 331 are fitted to the inner wall of the fertilizer storage bin 140, so that the L-shaped shafts 331 are fixed on the rotating shaft of the second motor 320. The L-shaped shafts 331 are rotated by the rotating shaft of the second motor 320 to scrape off the fertilizer adhered to the inner wall of the fertilizer storage bin 140, so that all fertilizers can participate in the stirring, and the fertilizer fermentation is uniform and sufficient; the cooperation of the vertical shaft 332 and a plurality of horizontal shafts 333 can stir the fertilizer in the middle of the fertilizer storage bin 140, and the combined stirring of the L-shaped shaft 331, the horizontal shaft 333 and the vertical shaft 332 can enable the fertilizer in the fertilizer storage bin 140 to participate in the stirring, so that the fertilizer fermentation is sufficient and uniform.

[0065] Furthermore, the oxygen storage tank 420 delivers oxygen to the fertilizer storage bin 140 through the oxygen delivery pipe 430, so as to add oxygen to the fertilizer in the fertilizer storage bin 140, which is convenient and quick. A plurality of protrusions 231 are provided on the roller body of the crushing roller 230, so as to achieve rolling of the block fertilizer and improve the crushing effect of the block fertilizer. The sealing ring 440 is provided to ensure the airtightness of the cylinder 100.

[0066] Those skilled in the art can understand that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fertilizer fermentation device based on bacterial activity, characterized in that: include: The cylinder has a feed port at the top, a cover body is provided above the feed port, and a discharge port is provided at the bottom of the cylinder; A fertilizer storage bin is disposed in the cylinder and is used to store fermented fertilizer; A crushing device and a first controller, wherein the crushing device is arranged below the feed port and is also located in the cylinder, the first controller is arranged on the top of the outer wall of the cylinder, the first controller is electrically connected to the crushing device, and the crushing device is used to crush the fertilizer into blocks; A stirring device and a second controller, wherein the stirring portion of the stirring device is disposed in the cylinder, the second controller is disposed at the bottom of the cylinder, the second controller is electrically connected to the stirring device, and the stirring device is used to stir the fertilizer in the cylinder; An oxygen supply device and a third controller, wherein the oxygen supply device is fixed to the cylinder by a fixing device, the third controller is arranged on the outer wall of the cylinder, the third controller is electrically connected to the oxygen supply device, and the oxygen supply device is connected to the fertilizer storage bin so that the oxygen supply device transports oxygen into the fertilizer storage bin to provide it to the fertilizer.

2. The fertilizer fermentation device based on bacterial activity according to claim 1, characterized in that: The fertilizer fermentation device based on bacterial activity also includes: A partition layer is arranged between the cylinder and the fertilizer storage bin, and the partition layer is an empty layer; A water inlet pipe, which is arranged on the outer side wall of the cylinder, and is used to introduce an external water source into the interlayer; A water outlet pipe is arranged on the outer side wall of the cylinder, and is used to discharge water in the barrier.

3. The fertilizer fermentation device based on bacterial activity according to claim 1, characterized in that: The fertilizer fermentation device based on bacterial activity also includes: A monitoring device, which is arranged on the inner wall of the fertilizer storage bin, and is used to monitor parameters in the fertilizer storage bin, and the monitoring device is electrically connected to the third controller; Among them, the parameters in the fertilizer storage bin include: fertilizer storage bin temperature and fertilizer storage bin oxygen content.

4. The fertilizer fermentation device based on bacterial activity according to claim 1, characterized in that: The pulverizing device comprises: A first motor is provided in plurality, and the plurality of first motors are arranged side by side in the cylinder; A plurality of crushing rollers are provided, and the crushing rollers are connected to the first motor; The bearings are provided in a plurality, and the bearings are embedded in the inner wall of the cylinder, and one end of the crushing roller away from the first motor is inserted into the bearing.

5. The fertilizer fermentation device based on bacterial activity according to claim 1, characterized in that: The stirring device comprises: A second motor is fixed to the bottom of the outer side wall of the cylinder; A stirring unit is arranged in the fertilizer storage bin, and the stirring unit is connected to the second motor; wherein the stirring unit comprises: A plurality of L-shaped shafts are provided, wherein the L-shaped shafts are fitted with the inner wall of the fertilizer storage bin, and one end of the L-shaped shafts is fixed to the rotating shaft of the second motor; A vertical shaft, the bottom end of which is fixed to the rotating shaft of the second motor; The horizontal axis is set to be multiple, and the multiple horizontal axes are distributed on the vertical axis.

6. The fertilizer fermentation device based on bacterial activity according to claim 1, characterized in that: The oxygen supply device comprises: An oxygen storage tank, in which oxygen is stored; An oxygen supply pipe passes through the cylinder to communicate with the oxygen storage tank and the fertilizer storage bin.

7. The fertilizer fermentation device based on bacterial activity according to claim 4, characterized in that: A plurality of protrusions are arranged on the roller body of the crushing roller.

8. The fertilizer fermentation device based on bacterial activity according to claim 6, characterized in that: The connection between the oxygen supply pipe and the oxygen storage tank and the connection between the oxygen supply pipe and the cylinder are both provided with sealing rings.

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