A vertical biological organic matter aerobic fermentation tank

By designing a vertical bioorganic matter aerobic fermentation tank, using a hollow structure stirring shaft and agitation and aeration blades with hollow arc blade structure, combined with a PLC control system and eddy aeration fan, the problems of traditional fermentation facilities occupying a large area and poor aeration effect are solved, and efficient and intelligent fermentation control is achieved.

CN222744293UActive Publication Date: 2025-04-11SHAANXI SCIENCE & TECHNOLOGY BOYUAN ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421321064.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-11
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

Traditional bioorganic matter aerobic fermentation facilities cover a large area, poor aeration and stirring effects, and easily lead to odor spillage.

Method used

A vertical bioorganic matter aerobic fermentation tank was designed, using a hollow structure stirring shaft and agitation and aeration blade with a hollow arc blade structure, combined with a PLC control system and a vortex aeration fan to achieve accurate and intelligent fermentation control.

Benefits of technology

It improves the aeration effect and material distribution uniformity of the fermentation process, reduces odor spillage, and realizes accurate and intelligent control of the fermentation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a vertical biological organic matter aerobic fermentation tank, which mainly includes a shell, a material distributor, a stirring shaft, stirring and aeration blades, a temperature sensor, an oxygen content sensor, a power device, a material discharging conveyor, and a control cabinet. The shell includes a feed port, a fermentation tank body, and a tank support. The distributor sets the material in the feed port, the stirring shaft, stirring and aeration blades are set inside the fermentation tank body, the temperature sensor and oxygen content sensor are set on the side wall of the fermentation tank body to collect fermentation parameters during the fermentation process, the power device is set inside the tank support, the discharge port is set at the bottom of the fermentation tank body and connected to the conveyor below, and the control cabinet is set outside the shell. The utility model solves the problems of uneven material distribution and poor aeration and stirring effect in vertical tank aerobic fermentation, and has a good fermentation effect.
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Description

Technical Field

[0001] The utility model belongs to the technical field of biological organic pollution control, and specifically relates to a vertical biological organic aerobic fermentation tank. Background Art

[0002] Traditional aerobic fermentation facilities for biological organic matter include strip fermentation, tank fermentation and aerobic fermentation tank fermentation. The technology of this fermentation facility is relatively mature, but it also has some disadvantages. The main disadvantages are: ① It occupies a large area; ② The aeration and stirring effects are poor, and most of the operations are random; ③ It is placed in the open air or opened in a single unit, and the odor overflow phenomenon is serious. Utility Model Content

[0003] The purpose of the utility model is to solve the above problems. The present application proposes a vertical bio-organic aerobic fermentation tank to fill the technical gap of resource utilization of small and medium-sized bio-organic matter.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical biological organic matter aerobic fermentation tank, comprising an outer shell, the outer shell comprising a feed port, a fermentation tank body, and a tank support, a material distributor is arranged in the feed port, stirring shafts are arranged on both sides of the fermentation tank body, stirring and aeration blades are installed on the stirring shaft, and the lower part of the stirring shaft is connected to a power device; a temperature sensor and an oxygen content sensor are arranged on the side wall of the fermentation tank body, a discharge port is arranged in the middle position of the bottom of the fermentation tank body, and a discharge conveying device is arranged below the discharge port.

[0005] Furthermore: a vortex aeration fan is arranged in the control cabinet, the vortex aeration fan is connected to the stirring shaft through a pipeline, and supplies air to the stirring and aeration blades, and the vortex aeration fan is also connected to the power device and controls the action of the power device.

[0006] Furthermore: the temperature sensor, oxygen content sensor, vortex aeration fan and power device are all connected to the control cabinet.

[0007] Furthermore: the control cabinet is also connected to a vortex aeration fan, which is connected to the stirring shaft through a pipeline and supplies air to the stirring and aeration blades.

[0008] Furthermore: the cross section of the stirring shaft adopts a hollow structure, and the stirring and aeration blades adopt a hollow arc-shaped blade structure with an arc and a porous structure.

[0009] Furthermore: the side walls and bottom plate of the fermentation tank body of the shell are both made of a rigid structure of carbon steel with an anti-corrosion lining.

[0010] Furthermore: the control cabinet is a PLC control cabinet, which controls and adjusts the ventilation volume of the vortex aeration fan.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a material distributor in the feed port to make the material distribution of the fermentation tank body more uniform; and adopts a stirring shaft with a hollow structure and a stirring and aeration blade with a hollow arc-shaped blade structure, so that the aeration air resistance is smaller, the aeration effect is better, and the fermentation process is better; the temperature sensor, the oxygen content sensor, and the power device are all connected to the PLC control cabinet, the temperature sensor and the oxygen content sensor collect the fermentation parameters of the fermentation process, and feed them back to the PLC control cabinet in real time, the PLC control cabinet is also connected to a vortex aeration fan, the vortex aeration fan is connected to the stirring shaft through a pipeline, the PLC control cabinet controls the vortex aeration fan and adjusts the ventilation volume, and then controls the power device to adjust the stirring speed, thereby realizing accurate and intelligent control of the fermentation process in the fermentation bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only for more clearly illustrating the embodiments of the utility model or the technical solutions in the prior art. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is an elevation view of the overall structural schematic diagram of the utility model;

[0015] Figure 2 A plan view of the overall structure of the utility model;

[0016] In the figure: 1-housing, 101-feeding port, 102-fermentation tank body, 103-tank support, 2-material distributor, 3-stirring shaft, 4-stirring and aeration blades, 5-temperature sensor, 6-oxygen content sensor, 7-discharging port, 8-power device, 9-discharging conveyor, 10-control cabinet. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand and implement the technical solution of the utility model, the utility model is further described below in conjunction with specific embodiments. However, the embodiments are only used as an explanation of the utility model and are not intended to limit the utility model.

[0018] like Figure 1A vertical biological organic matter aerobic fermentation tank shown in the figure includes an outer shell 1, a material distributor 2, a stirring shaft 3, stirring and aeration blades 4, a temperature sensor 5, an oxygen content sensor 6, a discharge port 7, a power device 8, a discharge conveyor 9, and a control cabinet 10. The outer shell 1 includes a feed port 101, a fermentation tank body 102, and a tank body support 103. The material distributor 2 is arranged in the feed port 101, and stirring shafts 3 are arranged on both sides of the fermentation tank body 102. Stirring and aeration blades 4 are installed on the stirring shaft 3, and the lower part of the stirring shaft 3 is connected to the power device 8; the side wall of the fermentation tank body 102 is provided with a temperature sensor 5 and an oxygen content sensor 6, and the fermentation tank body 102 is provided with a discharge port 7 in the middle of the bottom, and the discharge conveyor 9 is connected below the discharge port 7.

[0019] The control cabinet 10 is a PLC control cabinet. The specific structure and application of the PLC control cabinet are already mature technologies in the prior art, and no improvement is made in the present utility model, so the detailed structure and working principle are not described in detail.

[0020] The temperature sensor 5 and the oxygen content sensor 6 are arranged on the side wall of the fermentation tank body 102. The temperature sensor 5, the oxygen content sensor 6 and the power device 8 are all connected to the control cabinet 10. The temperature sensor 5 and the oxygen content sensor 6 collect fermentation parameters of the fermentation process and feed them back to the PLC control cabinet in real time.

[0021] The control cabinet 10 is connected to a vortex aeration fan, which is connected to the stirring shaft 3 through a pipeline. The PLC control cabinet controls the vortex aeration fan and adjusts the ventilation volume, and controls the power device 8 to adjust the stirring speed, thereby realizing accurate and intelligent control of the fermentation process in the fermentation bin.

[0022] The cross section of the stirring shaft 3 adopts a hollow structure, and the stirring and aeration blades 4 adopt a hollow arc-shaped blade structure with an arc and a porous structure, so that the aeration air resistance is smaller, the aeration effect is better, and the fermentation process is better.

[0023] The material distributor 2 is arranged in the feed port 101, and during the feeding process, the fermentation material is evenly dispersed mechanically, thereby ensuring that the material is evenly distributed in the fermentation chamber, and avoiding the anaerobic fermentation phenomenon caused by the uneven thickness of the material in some parts.

[0024] The side walls and bottom plate of the fermentation tank body constituting the outer shell 1 are both made of a rigid structure of carbon steel with an anti-corrosion lining, so as to avoid corrosion of the tank body by acids, alkalis and biological secretions during the fermentation process.

[0025] The utility model aerobic fermentation tank mixes biological organic matter, straw, bacteria and water in a certain proportion according to the formula, and the mixture is poured into the feed port of the fermentation tank body through the feeding belt, and is evenly dispersed inside the fermentation tank body through the material distributor. Aerobic fermentation is carried out under the action of microorganisms, and the oxygen required for fermentation is provided by the vortex aeration fan and aeration pipe, stirring shaft, stirring and aeration blades. The fermentation parameters of the fermentation process are collected by the temperature sensor and the oxygen content sensor, and are fed back to the PLC control cabinet. The PLC controller in the PLC control cabinet controls the vortex aeration fan to adjust the ventilation volume, and controls the power device to adjust the stirring speed, thereby realizing accurate and intelligent control of the fermentation process in the fermentation warehouse. This equipment completes a fermentation at 55°C for not less than 5 days.

[0026] The contents not described in detail in the present invention are all prior art.

[0027] The above is only a preferred embodiment of the utility model, and is not limited to the description in the specification and implementation. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the utility model patent application should be included in the scope of the utility model patent application.

Claims

1. A vertical bio-organic aerobic fermentation tank, comprising a housing (1), characterized in that: The outer shell comprises a feed inlet (101), a fermentation tank body (102), and a tank body support (103); a material distributor (2) is arranged in the feed inlet (101); stirring shafts (3) are arranged on both sides of the fermentation tank body (102); stirring and aeration blades (4) are installed on the stirring shafts (3); the lower part of the stirring shafts (3) is connected to a power device (8); a temperature sensor (5) and an oxygen content sensor (6) are arranged on the side wall of the fermentation tank body (102); a discharge port (7) is arranged at the middle position of the bottom of the fermentation tank body (102); and a discharge conveyor (9) is connected below the discharge port (7).

2. A vertical bio-organic aerobic fermentation tank according to claim 1, characterized in that: The temperature sensor (5), the oxygen content sensor (6), and the power device (8) are all connected to the control cabinet (10).

3. A vertical bio-organic aerobic fermentation tank according to claim 2, characterized in that: The control cabinet (10) is also connected to a vortex aeration fan, which is connected to the stirring shaft (3) through a pipeline and supplies air to the stirring and aeration blades (4).

4. The vertical bio-organic aerobic fermentation tank according to claim 1, characterized in that: The cross section of the stirring shaft (3) adopts a hollow structure, and the stirring and aeration blade (4) adopts a hollow arc-shaped blade structure with curvature and multiple holes.

5. The vertical bio-organic aerobic fermentation tank according to claim 1, characterized in that: The side walls and bottom plate of the outer shell (1) are both made of a rigid structure of carbon steel with an anti-corrosion lining.

6. The vertical bio-organic aerobic fermentation tank according to claim 2, characterized in that: The control cabinet (10) is a PLC control cabinet, which controls and adjusts the ventilation volume of the vortex aeration fan.