A new culture medium for producing organic fertilizer

Abstract

The utility model relates to the technical field of machine fertilizer production, disclose a kind of culture medium for new organic fertilizer production, including fermentation tank, the upside of fermentation tank is fixedly installed with speed reducer, the output of speed reducer is connected with first transmission shaft, the lower end of first transmission shaft is connected and installed with second transmission shaft, the inside of fermentation tank is centrally installed with coaxial planetary reducer by support beam, the input of coaxial planetary reducer is fixedly assembled with second transmission shaft, the output of coaxial planetary reducer is connected and installed with third transmission shaft by universal joint, the inside bottom of fermentation tank is installed with the support assembly for abutting third transmission shaft, the circumferential side of third transmission shaft is fixedly installed with multiple pairs of lower stirring blade, the circumferential side of second transmission shaft is fixedly installed with multiple pairs of upper stirring blade. The utility model can be stirred at different speeds to fermentation liquid by double-shaft differential design;Combined with the third transmission shaft that can swing and walk, expand stirring radius, make strain distribution uniform, improve metabolic efficiency.

Description

Technical Field

[0001] This utility model relates to the field of organic fertilizer production technology, specifically a novel culture medium for organic fertilizer production. Background Technology

[0002] Organic fertilizer production culture medium is a specialized device designed for the cultivation of specific microbial strains. It mainly consists of a fermenter and is used in conjunction with a stirrer to promote their rapid reproduction and metabolism, thereby accelerating the fermentation and decomposition process of organic waste.

[0003] The core components of the fermentation broth include carbon source, nitrogen source, inorganic salts and water. Through scientific formulation, the fermentation broth can provide a suitable growth environment for beneficial microorganisms such as nitrogen-fixing bacteria, phosphorus-solubilizing bacteria and potassium-solubilizing bacteria. During use, the fermentation tank can control environmental parameters such as temperature, pH and dissolved oxygen of the fermentation broth to keep the microorganisms in the optimal growth environment.

[0004] However, the mixing method of traditional mixers results in a single mixing flow field, which easily leads to the formation of "dead zones" in the fermentation broth, resulting in uneven distribution of microbial communities and low metabolic efficiency.

[0005] Therefore, in order to solve the above problems, a new type of culture medium for organic fertilizer production is proposed. Utility Model Content

[0006] The purpose of this invention is to provide a novel culture medium for organic fertilizer production with better mixing efficiency, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: A novel culture medium for organic fertilizer production includes a fermenter. A geared motor is fixedly installed on the upper side of the fermenter. The output end of the geared motor is connected to a first drive shaft. A second drive shaft is connected to the lower end of the first drive shaft. A coaxial planetary reducer is centrally installed on the inner side of the fermenter via a support beam. The input end of the coaxial planetary reducer is fixedly assembled with the second drive shaft. A third drive shaft is connected to the output end of the coaxial planetary reducer via a universal joint. A support assembly for abutting the third drive shaft is installed at the bottom inner side of the fermenter. Multiple pairs of lower stirring blades are fixedly installed on the circumferential side of the third drive shaft, and multiple pairs of upper stirring blades are fixedly installed on the circumferential side of the second drive shaft.

[0008] Specifically, the support assembly includes an abutment block and an abutment ring. The abutment block is fixedly installed on the inner bottom of the fermenter by a support rod. The abutment block is a frustum-shaped structure with a smaller upper end and a larger lower end. An abutment ring is fixedly installed on the lower circumferential side of the third drive shaft. The abutment ring abuts against the side wall of the abutment block.

[0009] Furthermore, both the abutment block and the abutment ring have anti-slip mesh patterns on their circumferential sides.

[0010] Furthermore, the angle between the centerline of the third drive shaft and the centerline of the fermenter is α, where α is 10°.

[0011] Specifically, both the lower and upper stirring blades are fixedly connected by a connecting rod and blades. The blades in the lower stirring blade are vertically arranged square plates; the blades in the upper stirring blade are inclined rectangular plates, and the two blades in each pair of upper stirring blades are inclined in opposite directions.

[0012] Specifically, a baffle plate is vertically fixedly installed on the inner circumference of the fermentation tank. The baffle plate consists of 1 to 4 baffle plates evenly distributed around the circumference. A shuttle baffle is evenly fixedly installed on the side of the baffle plate away from the side wall of the fermentation tank.

[0013] Compared with the prior art, the beneficial effects of this utility model are: Through the dual-shaft differential speed design, the rapidly rotating upper stirring blade can stir the upper fermentation liquid at high speed and accelerate oxygen diffusion, while the slowly rotating lower stirring blade can stir the lower fermentation liquid at low speed and reduce sedimentation. By combining the third drive shaft on the support assembly, which can swing and move, the stirring radius is expanded, so that the microbial community is evenly distributed, the metabolic efficiency is greatly improved, and the problems of uneven mixing and low efficiency of traditional equipment are effectively solved. Attached Figure Description

[0014] Figure 1 This is a schematic cross-sectional view of the structure of this utility model; Figure 2 This is a schematic cross-sectional view of the support component of this utility model; Figure 3 for Figure 2 A schematic diagram of the structure at the shuttle spoiler in the middle AA direction.

[0015] In the diagram: 1 Gear motor, 2 First drive shaft, 3 Fermentation tank, 4 Second drive shaft, 5 Coaxial planetary reducer, 6 Support beam, 7 Abutment block, 8 Abutment ring, 9 Lower stirring blade, 10 Third drive shaft, 11 Universal joint, 12 Upper stirring blade, 13 Baffle, 14 Shuttle baffle. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example content: Please see Figure 1 A novel culture medium for organic fertilizer production is provided, including a fermenter 3. A geared motor 1 is fixedly installed on the upper side of the fermenter 3. The fermenter 3 is an existing device with a feed inlet, discharge outlet, jacket, coil, air inlet and exhaust outlet. It is also equipped with sensors for temperature, pH, dissolved oxygen, etc. The overall structure meets the fermentation process requirements such as aseptic operation, temperature control, and aeration and stirring.

[0018] The output end of the geared motor 1 is connected to the first drive shaft 2 via a coupling. The geared motor 1 provides stirring power. The coupling can filter the vibration on the geared motor 1 and compensate for axial, radial and angular deviations. It can also provide overload protection by slipping when the torque of the first drive shaft 2 unexpectedly increases. The lower end of the first drive shaft 2 is connected to the second drive shaft 4 via a flange. The flange connection facilitates the separate processing and assembly of the first drive shaft 2 and the second drive shaft 4, and also facilitates the disassembly and replacement of the second drive shaft 4 during subsequent maintenance.

[0019] A coaxial planetary reducer 5 is centrally mounted on the inner side of the fermenter 3 via a support beam 6. The input end of the coaxial planetary reducer 5 is fixedly assembled with the second drive shaft 4, and the output end of the coaxial planetary reducer 5 is connected to and mounted with the third drive shaft 10 via a universal joint 11. The coaxial planetary reducer 5 is an existing component with an input shaft, an output shaft, and a planetary gear system (sun gear, planet gears, planet carrier, and internal gear ring). The input shaft and output shaft of the coaxial planetary reducer 5 rotate in the same direction, which has the function of reducing speed and increasing torque, so that the speed of the third drive shaft 10 is lower than that of the second drive shaft 4, but the torque is greater. The universal joint 11 allows the third drive shaft 10 to rotate while also swinging appropriately.

[0020] The fermenter 3 has a support assembly installed on the inner bottom for abutting the third drive shaft 10. The support assembly abuts the lower end of the third drive shaft 10 so that the third drive shaft 10 always maintains an inclined posture.

[0021] Multiple pairs of lower stirring blades 9 are fixedly installed on the circumferential side of the third drive shaft 10, and multiple pairs of upper stirring blades 12 are fixedly installed on the circumferential side of the second drive shaft 4. The multiple pairs of upper stirring blades 12 rotate with the second drive shaft 4 to stir the fermentation liquid in the upper part of the fermentation tank 3, and the multiple pairs of lower stirring blades 9 rotate with the third drive shaft 10 to stir the fermentation liquid in the lower part of the fermentation tank 3, thereby making the stirring speed of the fermentation liquid in the upper and lower parts different. The high-speed stirring in the upper layer promotes oxygen dissolution, while the low-speed stirring in the lower layer reduces microbial sedimentation. After the two layers are mixed together, an ideal fermentation environment is formed.

[0022] Please see Figure 2 The structure supporting the components: The support assembly includes an abutment block 7 and an abutment ring 8. The abutment block 7 is fixedly installed on the inner bottom of the fermenter 3 by a support rod. The abutment block 7 is a frustum-shaped structure with a smaller upper end and a larger lower end. The abutment ring 8 is fixedly installed on the lower circumferential side of the third drive shaft 10. The abutment ring 8 abuts against the side wall of the abutment block 7.

[0023] Both the abutting block 7 and the abutting ring 8 are made of wear-resistant and corrosion-resistant materials. When the abutting ring 8 rotates with the third drive shaft 10, the lower end of the third drive shaft 10 can move around the abutting block 7 due to the abutting friction between the abutting block 7 and the abutting ring 8.

[0024] Both the abutting block 7 and the abutting ring 8 have anti-slip textured surfaces on their circumferences. The anti-slip textured surfaces can further increase the abutting effect of the abutting block 7 and the abutting ring 8, and prevent slippage that could lead to abutting failure.

[0025] In addition, the angle between the center line of the third drive shaft 10 and the center line of the fermenter 3 is α, where α is 10°, to ensure that the third drive shaft 10 and the lower stirring blade 9 can swing to the maximum extent without interfering with other components inside the fermenter 3.

[0026] Structure of lower stirring blade 9 and upper stirring blade 12: Both the lower stirring blade 9 and the upper stirring blade 12 are fixedly connected by a connecting rod and blades. The blade surfaces are polished to reduce material adhesion.

[0027] The blades in the lower stirring blade 9 are vertically arranged square plates with a large circumferential propulsion force to reduce the occurrence of settling.

[0028] The blades in the upper stirring blade 12 are rectangular plates arranged at an angle, which has a larger working area. In each pair of upper stirring blades 12, the two blades are tilted in opposite directions, with an angle of 30° to 45°, which is conducive to the circulation of fermentation liquid in fermenter 3.

[0029] Please see Figure 3 Further perturbation structures: A baffle plate 13 is vertically fixedly installed on the inner circumference of the fermentation tank 3. There are 1 to 4 baffle plates 13 evenly distributed around the circumference. A shuttle baffle 14 is evenly fixedly installed on the side of the baffle plate 13 away from the side wall of the fermentation tank 3.

[0030] By changing the mainstream direction of the fermentation broth with the baffle 13 to form local turbulence, and with the vortex generated by the shuttle baffle 14, a multi-dimensional mixing flow field can be constructed in the tank to improve the mixing effect.

[0031] The working principle of this embodiment: The electrical components on fermenter 3 are evenly connected to the external control cabinet. The control cabinet is an existing control terminal with a structure including a PLC controller, power supply, actuator, and touch screen human-machine interface, so as to realize the collaborative operation of fermenter 3.

[0032] During operation, the geared motor 1 drives the first transmission shaft 2 through the coupling, which in turn drives the second transmission shaft 4 to rotate at high speed. The upper stirring blade 12 pushes the upper fermentation liquid to circulate and promotes oxygen dissolution.

[0033] After the speed is reduced and the torque is increased by the coaxial planetary reducer 5, the third drive shaft 10 is connected by the universal joint 11. Under the friction drive of the abutment block 7 and the abutment ring 8 of the support component, it achieves low-speed circumferential movement at an inclination angle of 10°. The square blades of the lower stirring blade 9 enhance the circumferential propulsion force and reduce the sedimentation of microorganisms in the lower layer.

[0034] The baffle 13 and shuttle baffle 14 on the inner wall of fermenter 3 change the direction of the main flow, forming turbulence and eddies, constructing a multi-dimensional mixed flow field, and improving the mixing uniformity and the metabolic efficiency of the strain.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0036] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel culture medium for organic fertilizer production, comprising a fermenter (3), wherein a geared motor (1) is fixedly installed on the upper side of the fermenter (3), characterized in that: The output end of the geared motor (1) is connected to the first drive shaft (2), and the lower end of the first drive shaft (2) is connected to the second drive shaft (4). The inner side of the fermentation tank (3) is centrally mounted with a coaxial planetary reducer (5) via a support beam (6). The input end of the coaxial planetary reducer (5) is fixedly assembled with the second drive shaft (4). The output end of the coaxial planetary reducer (5) is connected to the third drive shaft (10) via a universal joint (11). The bottom inner side of the fermentation tank (3) is equipped with a support assembly for abutting the third drive shaft (10). Multiple pairs of lower stirring blades (9) are fixedly mounted on the circumferential side of the third drive shaft (10), and multiple pairs of upper stirring blades (12) are fixedly mounted on the circumferential side of the second drive shaft (4).

2. The novel culture medium for organic fertilizer production according to claim 1, characterized in that: The support assembly includes an abutment block (7) and an abutment ring (8). The abutment block (7) is fixedly installed on the inner bottom of the fermentation tank (3) by a support rod. The abutment block (7) is a frustum-shaped structure with a smaller upper end and a larger lower end. The abutment ring (8) is fixedly installed on the lower circumferential side of the third drive shaft (10). The abutment ring (8) abuts against the side wall of the abutment block (7).

3. The novel culture medium for organic fertilizer production according to claim 2, characterized in that: The circumferential sides of the abutment block (7) and the abutment ring (8) are both provided with anti-slip mesh patterns.

4. The novel culture medium for organic fertilizer production according to claim 1, characterized in that: The angle between the centerline of the third drive shaft (10) and the centerline of the fermenter (3) is α, where α is 10°.

5. The novel culture medium for organic fertilizer production according to claim 1, characterized in that: The lower stirring blade (9) and the upper stirring blade (12) are both fixedly connected by a connecting rod and blades. The blades in the lower stirring blade (9) are vertically arranged square plates; the blades in the upper stirring blade (12) are inclined rectangular plates, and the inclination directions of the two blades in each pair of upper stirring blades (12) are opposite.

6. The novel culture medium for organic fertilizer production according to claim 1, characterized in that: A baffle plate (13) is vertically fixedly installed on the inner circumference of the fermentation tank (3). The baffle plate (13) consists of 1 to 4 baffle plates evenly distributed around the circumference. A shuttle baffle (14) is evenly fixedly installed on the side of the baffle plate (13) away from the side wall of the fermentation tank (3).

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