CN112063492A

CN112063492A - Agricultural waste anaerobic bacteria fermentation equipment

Info

Publication number: CN112063492A
Application number: CN202011001381.7A
Authority: CN
Inventors: 刘启嘉
Original assignee: Heilongjiang Bayi Agricultural University
Current assignee: Heilongjiang Bayi Agricultural University
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-11

Abstract

Agricultural waste anaerobe fermentation equipment belongs to agricultural waste recovery processing field. The fermentation tank comprises a fermentation tank, an upper cover, a stirring device and a pipe, wherein the upper end of the fermentation tank is provided with a sealing groove, sealing liquid is arranged in the sealing groove, the upper cover is arranged in the sealing groove, the stirring device is arranged in the fermentation tank, and the bottom of the fermentation tank is communicated with and provided with the pipe. The agricultural waste anaerobic bacteria fermentation equipment is simple in structure, ingenious in design, convenient to assemble and disassemble, firm in assembly and suitable for popularization and use.

Description

Agricultural waste anaerobic bacteria fermentation equipment

Technical Field

The invention relates to anaerobic bacteria fermentation equipment for agricultural wastes, and belongs to the field of agricultural waste recycling treatment.

Background

Agricultural wastes are a general term of wastes discharged in agricultural production, agricultural product processing, livestock and poultry breeding industry and rural residents, the agricultural wastes are generated in China every year, the quantity of crop straws is about 7 hundred million t, livestock and poultry manure generated by intensive farms in suburbs of large and medium cities exceeds the self-consumption capacity of farmland environments, and the suburb environments of the cities are also greatly polluted;

the current agricultural waste utilization technologies are many, and mainly include: energy regeneration, fertilizer production, feed production and material production, wherein the energy regeneration is the key point of the current research, such as preparing biological oil from corn straws through plasma thermal cracking liquefaction, producing hydrogen from wheat bran by anaerobic microorganisms, preparing biological alcohol by fermenting sweet sorghum stem juice and the like. Compared with other agricultural waste energy regeneration technologies, the technology for producing the biogas through anaerobic fermentation is mature at present, and industrialization can be realized;

but present fermentation equipment structure is comparatively single, and the sealed effect of fermentation is not very good, and easy gas leakage leads to meeting oxygen corruption, produces the mosquito to need often to trade water, and a equipment is used for making for the container that seals completely, can lead to the harmful gas that anaerobic type bacterial fermentation produced like this can not discharge, and is long, and inside and outside produces great pressure difference easily, thereby dangerous condition such as explosion takes place, and the harmful gas that does not discharge simultaneously can pollute anaerobic bacteria's growing environment.

Therefore, it is necessary to provide an anaerobic fermentation apparatus for agricultural wastes to solve the above technical problems.

Disclosure of Invention

The invention has been developed to solve the problems that the existing fermentation equipment has a single structure, the fermentation sealing effect is not good, and a completely sealed container is easy to generate a large pressure difference between the inside and the outside, so that the dangerous situations such as explosion occur. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention.

The technical scheme of the invention is as follows:

agricultural discarded object anaerobism fermentation equipment, including fermentation cylinder, upper cover, agitating unit and calandria, the fermentation cylinder upper end has the seal groove, is provided with sealing liquid in the seal groove, and the upper cover is installed in the seal groove, and fermentation cylinder internally mounted has agitating unit, and the calandria is installed in fermentation cylinder bottom intercommunication.

Preferably: one end of the calandria is arranged at the bottom of the fermentation tank, the other end of the calandria is provided with a U-shaped liquid seal section, and the U-shaped liquid seal section is provided with sealing liquid.

Preferably: the liquid level of the sealing liquid in the U-shaped liquid sealing section is higher than that of the fermentation liquid in the fermentation tank

Preferably: agitating unit includes mount, motor mounting bracket, motor, lead screw and stirring leaf, and lead screw one end is passed through first bearing and fermentation cylinder bottom center department fixed connection installation, and lead screw one end is passed through mount and fermentation cylinder inside wall fixed connection installation, is provided with the second bearing between lead screw and the mount, and lead screw top and motor fixed connection installation, motor pass through motor mounting bracket fixed mounting on the mount, and stirring leaf center department processing has internal thread and lead screw thread fit installation.

Preferably: a plurality of stirring blades are arranged on the blades of the stirring blades in an inclined mode.

Preferably: the motor and the screw rod are fixedly connected and installed through a coupler.

The invention has the following beneficial effects:

1. according to the agricultural waste anaerobic bacteria fermentation equipment, the liquid sealing is performed by adopting the sealing liquid, so that the discharge of internal gas is guaranteed while the outside is blocked, a series of safety problems such as explosion and the like caused by gas pressure difference are avoided, and the isolation effect is good;

2. according to the agricultural waste anaerobic bacteria fermentation equipment, the sealing liquid isolates the outside, and meanwhile, harmful gas generated during fermentation is absorbed, so that the pollution to the outside air is reduced, and the equipment is more green and environment-friendly;

3. the stirring device of the invention can more fully stir the fermentation object, accelerate the fermentation process and improve the efficiency;

4. the agricultural waste anaerobic bacteria fermentation equipment has the advantages of simple structure, ingenious design, convenience in disassembly and assembly, firmness in assembly and low cost, and is suitable for popularization and use.

Drawings

FIG. 1 is a block diagram of an agricultural waste anaerobic fermentation apparatus;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

in the figure, 1-a fermentation tank, 2-an upper cover, 3-a stirring device, 4-a calandria, 5-sealing liquid, 6-a coupler, 11-a sealing groove, 31-a fixing frame, 32-a motor mounting frame, 33-a motor, 34-a screw rod, 35-a stirring blade, 36-a first bearing, 37-a second bearing, 351-a stirring blade and 41-a U-shaped liquid sealing section.

Detailed Description

In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The connection mentioned in the invention is divided into fixed connection and detachable connection, the fixed connection is non-detachable connection and includes but is not limited to folding edge connection, rivet connection, bonding connection, welding connection and other conventional fixed connection modes, the detachable connection includes but is not limited to threaded connection, snap connection, pin connection, hinge connection and other conventional detachment modes, when the specific connection mode is not clearly limited, at least one connection mode can be found in the existing connection modes by default to realize the function, and the skilled person can select according to the needs. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

The first embodiment is as follows: the embodiment is described with reference to fig. 1-2, the agricultural waste anaerobic fermentation equipment of the embodiment comprises a fermentation tank 1, an upper cover 2, a stirring device 3 and a discharge pipe 4, wherein the upper end of the fermentation tank 1 is provided with a sealing groove 11, a sealing liquid 5 is arranged in the sealing groove 11, the upper cover 2 is arranged in the sealing groove 11, the stirring device 3 is arranged inside the fermentation tank 1, the discharge pipe 4 is arranged at the bottom of the fermentation tank 1 in a communicating manner, a fermentation object is arranged inside the fermentation tank 1, the fermentation object generates gas in the fermentation process, when the gas reaches a certain pressure intensity, the upper cover 2 is jacked up to be discharged to the outside after passing through the sealing liquid 5, the upper cover 2 can fall back after being jacked up due to the self gravity effect, the lower end face of the upper cover 2 is always at the lower end of the liquid level of the sealing liquid 5.

The second embodiment is as follows: referring to fig. 1-2, the present embodiment is described, based on the first embodiment, in the anaerobic bacteria fermentation apparatus for agricultural waste of the present embodiment, one end of the calandria 4 is disposed at the bottom of the fermentation tank 1, the other end of the calandria 4 is provided with a U-shaped liquid seal section 41, the U-shaped liquid seal section 41 is provided with a sealing liquid 5, the sealing liquid 5 of the U-shaped liquid seal section 41 performs liquid seal treatment on the calandria 4, so as to prevent external air from entering the fermentation tank, and the pumping pump can be used to pump out the substances inside the fermentation tank 1, and is a slurry pump, thereby avoiding the problem of blockage of the pumping pump due to poor pumping out of the components.

The third concrete implementation mode: referring to fig. 1-2, the present embodiment is described, and based on the first embodiment, the liquid level of the sealing liquid 5 in the U-shaped liquid sealing section 41 is higher than the liquid level of the fermentation liquid in the fermentation tank 1, so as to ensure that the sealing liquid 5 does not flow back into the fermentation tank 1.

The fourth concrete implementation mode: the present embodiment, the anaerobic fermentation apparatus for agricultural waste according to the present embodiment, will be described with reference to FIGS. 1 to 2, the stirring device 3 comprises a fixed frame 31, a motor mounting frame 32, a motor 33, a screw rod 34 and a stirring blade 35, one end of the screw rod 34 is fixedly connected and mounted with the center of the bottom of the fermentation tank 1 through a first bearing 36, one end of the screw rod 34 is fixedly connected and mounted with the inner side wall of the fermentation tank 1 through the fixed frame 31, a second bearing 37 is arranged between the screw rod 34 and the fixed frame 31, the top of the screw rod 34 is fixedly connected and mounted with the motor 33, the motor 33 is fixedly mounted on the fixed frame 31 through the motor mounting frame 32, an internal thread is processed at the center of the stirring blade 35 and is in threaded, the motor 33 drives the screw rod 34 to rotate, the stirring blade 35 performs longitudinal rotary motion on the screw rod 34 due to thread matching, and the stirring blade 35 rotates upwards or downwards by controlling the motor 33 to rotate forwards and backwards.

The fifth concrete implementation mode: referring to fig. 1 to 2, the anaerobic fermentation apparatus for agricultural waste according to the present embodiment is provided with a plurality of stirring blades 351 installed on the blades of the stirring blades 35 in an inclined manner, so as to improve the stirring efficiency and to crush a part of the large fermented materials, such as straw.

The sixth specific implementation mode: referring to fig. 1 to 2, the agricultural waste anaerobic fermentation apparatus according to the present embodiment will be described, wherein the motor 33 and the screw rod 34 are fixedly connected and installed through the coupling 6.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Agricultural waste anaerobe fermentation equipment which characterized in that: the device comprises a fermentation tank (1), an upper cover (2), a stirring device (3) and a pipe bank (4), wherein a sealing groove (11) is formed in the upper end of the fermentation tank (1), sealing liquid (5) is arranged in the sealing groove (11), the upper cover (2) is installed in the sealing groove (11), the stirring device (3) is installed inside the fermentation tank (1), and the pipe bank (4) is installed at the bottom of the fermentation tank (1) in a communicated mode.

2. The agricultural waste anaerobic bacterial fermentation apparatus of claim 1, wherein: one end of the calandria (4) is arranged at the bottom of the fermentation tank (1), the other end of the calandria (4) is provided with a U-shaped liquid seal section (41), and the U-shaped liquid seal section (41) is provided with sealing liquid (5).

3. The agricultural waste anaerobic bacterial fermentation apparatus of claim 2, wherein: the liquid level of the sealing liquid (5) in the U-shaped liquid seal section (41) is higher than that of the fermentation liquid in the fermentation tank (1).

4. The agricultural waste anaerobic bacterial fermentation apparatus of claim 1, wherein: agitating unit (3) are including mount (31), motor mounting bracket (32), motor (33), lead screw (34) and stirring leaf (35), lead screw (34) one end is through first bearing (36) and fermentation cylinder (1) bottom center department fixed connection installation, lead screw (34) one end is passed through mount (31) and fermentation cylinder (1) inside wall fixed connection installation, be provided with second bearing (37) between lead screw (34) and mount (31), lead screw (34) top and motor (33) fixed connection installation, motor (33) are through motor mounting bracket (32) fixed mounting on mount (31), stirring leaf (35) center department processing has internal thread and lead screw (34) screw-thread fit installation.

5. The agricultural waste anaerobic bacterial fermentation apparatus of claim 4, wherein: and a plurality of stirring blades (351) are obliquely arranged on the blades of the stirring blades (35).

6. The agricultural waste anaerobic bacterial fermentation apparatus of claim 4, wherein: the motor (33) and the screw rod (34) are fixedly connected and installed through a coupler (6).