WO2020155729A1

WO2020155729A1 - Human and animal feces biological sewage fermentation device

Info

Publication number: WO2020155729A1
Application number: PCT/CN2019/115806
Authority: WO
Inventors: 周风余; 王华峰; 万方; 尹磊
Original assignee: 山东大学
Priority date: 2019-01-29
Filing date: 2019-11-05
Publication date: 2020-08-06
Also published as: CN109626776A; CN109626776B

Abstract

Disclosed is a human and animal feces biological sewage fermentation device, comprising a fermentation tank; a stirring mechanism arranged inside the fermentation tank and comprising a first stirring shaft and a second stirring shaft, wherein the first stirring shaft is arranged inside the second stirring shaft, and each of the first stirring shaft and the second stirring shaft is connected to a driving device for driving the rotation thereof; a gas bin that is arranged below the fermentation tank, wherein the gas bin is isolated from the inside of the fermentation tank by an isolation layer, and gas in the gas bin can enter the fermentation tank; and a material lifting device arranged on one side of the fermentation tank and used for lifting a material.

Description

Biological fermentation device for human and animal feces and dirt

Technical field

The invention discloses a biological fermentation device for human and animal feces and dirt.

Background technique

The statements here only provide background art related to the present invention, and do not necessarily constitute prior art.

At present, the human and animal feces in the prior art are basically not treated, and then directly discharged, which causes certain pollution to the environment.

Summary of the invention

In order to solve the technical problems in the prior art, the present invention discloses a biological fermentation device for human and animal feces and sewage, which realizes the fermentation treatment of human and animal feces and sewage.

The technical scheme adopted by the present invention is as follows:

A biological fermentation device for human and animal feces and sewage, including a fermentation tank;

A stirring mechanism, which is arranged in the fermentation tank, and includes a first stirring shaft and a second stirring shaft, the first stirring shaft is arranged in the second stirring shaft, and each is driven to rotate by a driving device;

The gas bin is arranged under the fermentation tank, and the inside of the gas bin is separated from the inside of the fermentation tank by an isolation layer, and the gas in the gas bin can enter the fermentation tank to provide the required gas for the fermentation of human and animal waste.

The material lifting device, which is arranged on one side of the fermentation tank, is used for lifting materials.

As a further technical solution, a heating device is also provided on the side wall of the fermentation tank to provide the required temperature for the biological fermentation of human and animal feces and sewage.

As a further technical solution, the human and animal feces and sewage biological fermentation device further includes an air supply device, and the air supply device supplies gas of a certain pressure and a certain temperature into the gas bin through a ventilation pipe.

As a further technical solution, the fermentation tank is also provided with a temperature detection device and a gas detection device. The temperature detection device sends the detected temperature signal to the control system, and the control system controls the heating device to heat; the gas detection device detects The gas signal is sent to the control system, and the control system controls the gas supply device to supply gas.

As a further technical solution, a manipulator is provided in the circumferential direction of the bottom of the second stirring shaft, and there is a slight gap between the end of the manipulator and the side wall of the fermentation tank, so that the manipulator can be driven by the second stirring shaft. Turn up the materials at the bottom of the fermentation tank to prevent the accumulation of materials at the bottom of the fermentation tank.

As a further technical solution, the isolation layer includes a multi-layer mesh support and a breathable fiber cloth. The breathable fiber cloth is arranged on the top of the multi-layer mesh support, so that only gas can enter the fermentation tank from the gas tank. , And the materials in the fermentation tank cannot enter the gas tank.

As a further technical solution, the material lifting device is a chain transmission device, and a material baffle perpendicular to the chain is spaced apart on the chain of the chain transmission device.

As a further technical solution, along the movement direction of the chain, an anti-leakage plate is also provided at the bottom of the chain, mainly to prevent materials from leaking during the lifting process.

As a further technical solution, both the first stirring shaft and the second stirring shaft adopt a screw auger structure.

In specific use, the fermentation tank can be set underground, and then human and animal feces and dirt can be placed in the fermentation tank. The top of the fermentation tank is sealed by a plastic greenhouse to form a sealed structure as a whole to better control the fermentation environment; The stirring device starts to stir, and the stirring device is in the process of stirring the dirt, and the required gas (such as oxygen) is introduced into the fermentation tank through the air tank; fermentation is realized; at the same time, the dirt will be affected during the stirring process. Cooling, in order to ensure the temperature required for fermentation of the filth, the fermentation tank can be heated by a heating device; at the same time, gas with a certain pressure and temperature can be introduced into the fermentation tank through the gas supply device. After the fermentation of the filth is completed, The material lifting device is opened, and the manipulator is driven by the second stirring shaft to bring the material at the bottom of the fermentation tank to the material lifting device to realize the lifting and transport of the materials.

The beneficial effects of the present invention:

1. The present invention adopts the form of two stirring shaft sets, which can make the dirt more fully stirred; the first stirring shaft makes the dirt move up from the bottom, and the second stirring shaft makes the dirt turned up from the first stirring shaft It moves from top to bottom, and finally circulates continuously, realizing the continuous up and down of dirt.

2. In the present invention, a heating device is provided, so that when the external environment temperature cannot meet the fermentation temperature, the heating device is activated to ensure the fermentation temperature in the fermentation tank, thereby ensuring the fermentation conditions of the microorganisms.

3. By setting up a gas bin and a gas supply device, a certain pressure and a certain temperature gas can be provided for the fermentation of human and animal feces and sewage. On the one hand, it can cool the fermentation tank, and on the other hand, it can provide the necessary oxygen for the fermentation bacteria to ensure Microbial fermentation conditions.

4. Realize automatic control of fermentation tank by setting temperature detection device and gas detection device.

5. By setting up a manipulator, prevent dirt accumulation at the bottom of the fermentation tank.

Description of the drawings

The drawings of the specification forming a part of the application are used to provide a further understanding of the application. The exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application.

Fig. 1 is a simple schematic diagram of the structure according to one or more embodiments;

In the picture: 1 air tank, 2 isolation layer, 3 heating device, 4 underground passage, 5 second stirring shaft, 6 first stirring shaft, 7 blower, 8 ventilation passage, 9 material lifting device, 10 manipulator, 11 fermentation tank, 12 greenhouses, 13 first drive device, 14 second drive device.

detailed description

It should be pointed out that the following detailed descriptions are all illustrative and are intended to provide further descriptions of the application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

It should be noted that the terms used here are only for describing specific implementations, and are not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and/or "including" are used in this specification, they indicate There are features, steps, operations, devices, components and/or combinations thereof;

For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only mean that they are consistent with the up, down, left, and right directions of the drawings themselves, and do not limit the structure. It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

If terms such as "installation", "connected", "connected", "fixed" appear in the present invention, it should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or a whole; it can be a mechanical The connection can also be an electrical connection, a direct connection, or an indirect connection through an intermediate medium, an internal connection between two components, or an interaction relationship between two components. For those of ordinary skill in the art, Understand the specific meaning of the above terms in the present invention according to the specific situation.

As described in the background art, at present, the human and animal feces in the prior art are basically not treated and then directly discharged, which causes certain pollution to the environment. In order to solve the above technical problems, this application proposes a Plants for biological fermentation of human and animal wastes.

In a typical implementation of the present application, as shown in Figure 1, a biological fermentation device for human and animal feces and sewage includes a fermentation tank, a stirring mechanism, an air tank, and a material lifting device; the specific structure is as follows:

Fermentation tank 11, in specific use, the fermentation tank can be set underground and made of bricks; or it can be replaced by a tank directly; the top of the fermentation tank 11 can be carried out using existing greenhouse technology seal.

The stirring mechanism, which is arranged in the fermentation tank 11, includes a first stirring shaft 6 and a second stirring shaft 5. The first stirring shaft 6 is arranged in the second stirring shaft 5, and each is driven to rotate by a driving device; The second stirring shaft 5 has a hollow hollow structure, and the inner hollow diameter is larger than the overall outer diameter of the first stirring shaft 6, so that the first stirring shaft 6 is directly sleeved in the second stirring shaft 5; the first stirring shaft 6 passes through the A driving device 13 drives its rotating shaft, and the second stirring shaft 5 drives its rotating shaft through a second driving device 14.

Further, the first stirring shaft 6 and the second stirring shaft 5 can adopt a screw auger structure, and the dirt can be stirred more fully under the stirring action of the two stirring shafts. Specifically, the first stirring shaft makes the dirt from The bottom moves upward, and the second stirring shaft makes the dirt turned up from the first stirring shaft move from top to bottom, and finally circulates continuously to realize the continuous upward and downward turning of the dirt.

The gas warehouse 1 is arranged below the fermentation tank 11. The gas warehouse 1 and the inside of the fermentation tank are separated by an isolation layer 2, and the gas in the gas warehouse can enter the fermentation tank to provide all for the fermentation of human and animal wastes. The gas has a certain pressure and temperature; the gas has a certain pressure, mainly to ensure that the gas can enter the fermentation tank 11 from the gas storage, and the certain temperature is mainly to increase the temperature in the fermentation tank. The fermentation provides the required temperature.

The air storehouse can adopt the structure of the existing air storage tank, or it can be built on site according to actual needs. The air storage can be set up as shown in Fig. 1, which can be divided into multiple air storages or a large air storage.

As a further technical solution, the isolation layer 2 includes a multi-layer mesh support and a breathable fiber cloth. The breathable fiber cloth is arranged on the top of the multi-layer mesh support, so that only gas can enter the fermentation tank from the gas storage. The materials in the fermentation tank cannot enter the gas tank.

The material lifting device 9, which is set on one side of the fermentation tank, is used to lift the material; it can be designed as a chain transmission structure. In order to prevent the material from falling during transportation, material baffles can be arranged on the chain at intervals. There is a leak-proof board at the bottom of the machine, mainly to prevent the material from leaking during the lifting process.

The material baffle is perpendicular to the chain movement direction; the leak-proof plate is parallel to the chain movement direction.

During the normal fermentation of human and animal wastes, the material lifting device does not operate. After the fermentation of the waste is completed, the material lifting device is turned on, and the manipulator is driven by the second stirring shaft to bring the material at the bottom of the fermentation tank to the material On the lifting device, the material is lifted and shipped out.

In this embodiment or other embodiments, a heating device is also provided on the side wall of the fermentation tank 11 to provide the required temperature for the biological fermentation of human and animal feces and dirt; specifically, the heating device can be an existing resistance wire In other words, the side wall of the fermentation tank 11 is designed as a hollow structure, and a heating medium is passed into the side wall.

In this embodiment or other embodiments, the human and animal feces and sewage biological fermentation device further includes an air supply device, and the air supply device supplies air into the air storage through a ventilation pipe. Specifically, the air supply device 7 may adopt an existing fan-type structure, and ventilate into the air chamber through the fan and the ventilation channel 8.

In this embodiment or other embodiments, the fermentation tank is also provided with a temperature detection device and a gas detection device, the temperature detection device sends the detected temperature signal to the control system, and the control system controls the heating device to heat the gas; The detection device sends the detected gas signal to the control system, and the control system controls the gas supply device to supply gas.

In this embodiment or other embodiments, a manipulator 10 is provided in the circumferential direction of the bottom of the second stirring shaft, and there is a slight gap between the end of the manipulator 10 and the side wall of the fermentation tank 11. The main purpose is to make the manipulator 10 in the Driven by the second stirring shaft 5 to rotate in the fermentation tank, the manipulator 10 can turn up the material at the bottom of the fermentation tank to prevent the accumulation of materials at the bottom of the fermentation tank; at the same time, after the fermentation of the dirt is completed, open the material lifting device, the manipulator 10 Driven by the second stirring shaft, the material at the bottom of the fermentation tank 11 can be brought to the material lifting device to realize the lifting and transport of the material.

The number of manipulators 10 can be set to three or more, and the specific settings are set according to actual needs.

The specific usage method is as follows:

In actual use, according to the actual situation, the fermentation tank 11 can be set underground, the side of the fermentation tank is provided with an underground passage 4, and an air tank 1 is set below the fermentation tank 11; between the air tank 1 and the inside of the fermentation tank Isolate by isolation layer 2;

Then place the human and animal feces and dirt in the fermentation tank 11, and the top of the fermentation tank 11 is sealed by the plastic greenhouse 12, forming a sealed structure as a whole;

The two stirring devices are fixed on the ground, and when necessary, the motor is started to start stirring, and the stirring device is in the process of stirring the dirt, and the required gas is introduced into the fermentation tank through the air tank to realize fermentation;

At the same time, because the dirt will cool down during the mixing process, in order to ensure the problems needed for the fermentation of the dirt, the fermentation tank can be heated by a heating device (it is more suitable for lower temperatures in winter);

After the fermentation of the dirt is completed, the material lifting device 9 is opened, and the manipulator 10 is driven by the second stirring shaft to bring the material at the bottom of the fermentation tank to the material lifting device to realize the lifting and transport of the material.

Specifically, the effects produced by the present invention are as follows:

1. The present invention adopts the form of two stirring shaft sets, which can make the dirt more fully stirred.

3. By setting up a gas bin and a gas supply device, the required gas can be provided for the fermentation of human and animal feces and sewage, and at the same time, the temperature of the fermentation tank can be reduced, thereby ensuring the fermentation conditions of the microorganisms.

5. By setting up a manipulator, place the dirt accumulation at the bottom of the fermentation tank.

The above descriptions are only preferred embodiments of the application, and are not used to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

A biological fermentation device for human and animal feces and sewage, which is characterized in that it comprises a fermentation tank;

A stirring mechanism, which is arranged in the fermentation tank, includes a first stirring shaft and a second stirring shaft, the first stirring shaft is arranged in the second stirring shaft, and each is connected to a driving device for driving its rotation; The second stirring shaft has a hollow hollow structure, and the inner hollow diameter is larger than the overall outer diameter of the first stirring shaft; both the first stirring shaft and the second stirring shaft adopt a screw auger structure;

The gas storage is arranged below the fermentation tank, and the gas storage is separated from the inside of the fermentation tank by an isolation layer, and the gas in the gas storage can enter the fermentation tank;

The material lifting device, which is set on one side of the fermentation tank, is used to lift materials;

It also includes a gas supply device, which supplies gas with a certain pressure and a certain temperature into the gas bin through a ventilation pipe.
The device for biological fermentation of human and animal feces and dirt according to claim 1, wherein a heating device is also provided on the side wall of the fermentation tank.
The device for biological fermentation of human and animal feces and sewage according to claim 1, wherein the fermentation tank is also provided with a temperature detection device and a gas detection device, and the temperature detection device sends the detected temperature signal to The control system, the control system controls the heating of the heating device; the gas detection device sends the detected gas signal to the control system, and the control system controls the gas supply of the gas supply device.
The device for biological fermentation of human and animal feces and sewage according to claim 1, characterized in that, a manipulator is provided in the circumferential direction of the bottom of the second stirring shaft, and the end of the manipulator is slightly between the end of the manipulator and the side wall of the fermentation tank. There are gaps.
The device for biological fermentation of human and animal feces and dirt according to claim 1, wherein the isolation layer comprises a multi-layer mesh support and a breathable fiber cloth, and the breathable fiber cloth is arranged on the bottom of the multi-layer mesh support. top.
The device for biological fermentation of human and animal feces and sewage according to claim 1, wherein the material lifting device is a chain transmission device, and the chain of the chain transmission device is provided with material baffles perpendicular to the chain at intervals.
The device for biological fermentation of human and animal feces and dirt according to claim 6, characterized in that along the movement direction of the chain, a leak-proof plate is also provided at the bottom of the chain.