CN218321191U

CN218321191U - Aeration fermentation tank

Info

Publication number: CN218321191U
Application number: CN202222537491.6U
Authority: CN
Inventors: 陈伟; 王贵涛; 陈冼彬
Original assignee: Taicang Lvfeng Agricultural Resources Development Co ltd
Current assignee: Taicang Lvfeng Agricultural Resources Development Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-17
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses an aeration fermentation tank, including the cell body, cover in the cover membrane on cell body top and feed through the air supply system in the cell body, the cell body includes the prevention of seepage ground and sets up in the cell wall on prevention of seepage ground top, the one end of cell wall is provided with the feed inlet, cover the top and the feed inlet that the membrane is fixed in the cell wall, the air supply system is including distributing in the aeration pipe of cell body bottom and setting up in the cell body outside and feed through in the fan of aeration pipe, it is provided with a plurality of circulation wind gaps to cover the membrane, the circulation wind gap pass through the circulation wind pipe communicate in the air intake of fan. The utility model discloses simple structure, the high hot gas reuse that produces with the fermentation prolongs the time that the fermentation high temperature lasts for the material fermentation pile body is fully decomposed thoroughly.

Description

Aeration fermentation tank

Technical Field

The utility model relates to a compost fermentation technical field especially relates to an aeration fermentation vat.

Background

The biological organic fertilizer is a fertilizer which has the effects of both microbial fertilizer and organic fertilizer and is compounded by microorganisms with specific functions and organic materials mainly prepared from animal and plant residues (urban kitchen solid matters, kitchen residues in the vegetable market, livestock and poultry excrement in large-scale farms and agricultural straw wastes) and subjected to harmless treatment and decomposition. Namely, the organic solid waste is converted into high-quality biological organic fertilizer, so that the waste is recycled, the environment is protected, the living quality of farmers is improved, the development of ecological agriculture is accelerated, and the comprehensive benefit is remarkable. In the aerobic composting fermentation process, high-temperature air and water vapor carry a large amount of heat energy to permeate the covering film to flow out, so that the high-temperature duration in the aeration fermentation tank is insufficient, and the fermentation is not thorough. Accordingly, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aeration fermentation tank to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an aeration fermentation tank, includes the cell body, covers the membrane and communicate the air supply system in the cell body that cover on cell body top, the cell body includes the prevention of seepage ground and sets up in the cell wall on prevention of seepage ground top, the one end of cell wall is provided with the feed inlet, cover the top and the feed inlet that the membrane is fixed in the cell wall, air supply system is including distributing in the aeration pipe of cell body bottom and setting up outside the cell body and communicate in the fan of aeration pipe, it is provided with a plurality of circulation wind gaps to cover the membrane, the circulation wind gap through the circulation wind pipe communicate in the air intake of fan.

Further, in the aeration fermentation tank, the circulating air port comprises a through hole formed in the cover film, a connecting ring used for connecting a circulating air pipe is arranged on the inner wall of the cover film, the connecting ring and the through hole are coaxially arranged and fixed on the cover film through a plurality of riveting nuts, and one end, close to the cover film, of the circulating air pipe is connected to the riveting nuts through connecting flanges.

Furthermore, in the aeration fermentation tank, a plurality of riveting nuts are arranged in an annular array, and an annular avoiding groove is concavely arranged on the end face of one side, close to the covering film, of the connecting flange.

Furthermore, in the aeration fermentation tank, the connecting ring is formed by splicing a plurality of arc-shaped plates.

Further, in the aeration fermentation tank, a sealing gasket is arranged between the connecting flange and the covering film.

Furthermore, in the aeration fermentation tank, the outer wall of the circulating air pipe is coated with heat insulation cotton.

Furthermore, in the aeration fermentation tank, a drain valve is arranged at the bottom of one end of the circulating air pipe close to the fan.

Furthermore, in the aeration fermentation tank, an air inlet of the fan is provided with an air supply pipe communicated with the atmosphere, and the air supply pipe is provided with a flow valve.

Furthermore, in the aeration fermentation tank, a filter screen is arranged on the inner wall of one end of the circulating air pipe close to the covering film.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure utilizes the high fever gas that the circulation tuber pipe produced with the fermentation to squeeze into the aeration pipe again, reduces the heat loss by a wide margin to the required high temperature duration of fermentation in the extension groove makes the material fermentation heap more fully become thoroughly decomposed.

Drawings

FIG. 1 is a schematic view of an aeration fermenter according to an embodiment of the present invention.

Fig. 2 is a schematic view of the installation of the connecting flange according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a connection ring according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, an aeration fermentation tank comprises a tank body 1, a cover film 2 covering the top end of the tank body 1 and an air supply system communicated in the tank body 1, wherein the tank body 1 comprises an impermeable foundation and a tank wall arranged at the top end of the impermeable foundation, a feed inlet is arranged at one end of the tank wall, the cover film 2 is fixed at the top end and the feed inlet of the tank wall, the air supply system comprises an aeration pipe 3 distributed at the bottom of the tank body 1 and a fan 4 arranged outside the tank body 1 and communicated with the aeration pipe 3, the cover film 2 is provided with a plurality of circulating air ports, and the circulating air ports are communicated with an air inlet of the fan 4 through a circulating air pipe 5.

In the technical scheme, a conventional sewage tank, a sewage pool and other conventional structures are arranged outside a tank body and used for collecting sewage generated in the fermentation process, an impermeable foundation and the tank wall of the tank body are formed in a manner of pouring impermeable concrete, the pouring of the concrete belongs to the prior art and is not repeated here, the tank wall is enclosed into a cuboid structure with an open top end and an open side, the open end of the side surface is used as a feeding buckle, the top end is covered by a covering film with an existing middle layer of an e-PTFE (expanded polytetrafluoroethylene) molecular film, the top surface of the impermeable foundation is of a slope structure, and the generated sewage flows along the impermeable foundation to the side away from a feeding port in the aeration fermentation process so as to be convenient for concentration, a slope can be poured or increased on the outer side of the top surface of the impermeable foundation close to the feeding end, and the like, so that vehicles for transporting materials can conveniently pass in and out; the top surface of the seepage-proofing foundation is concavely provided with a groove for preventing an aeration pipe, a plurality of aeration holes are formed in the aeration pipe, gas sent into the aeration pipe by a fan is dispersed and sent into the material fermentation pile body through the aeration holes, oxygen is enabled to be fully contacted with organic wastes, the temperature is rapidly raised for fermentation, a large amount of high-temperature gas such as steam is generated in the fermentation process, in order to prevent the steam and the like from carrying heat energy and flowing out of a covering film, high-temperature gas generated by fermentation is circularly pumped into the aeration pipe by utilizing a circulating air pipe and is dispersed and flowed into the material fermentation pile body again, heat loss is greatly reduced, the duration of high temperature required by fermentation in the groove is prolonged, the high-temperature time is continuously prolonged by more than one time, the material fermentation pile body is enabled to be fully rotten, harmful bacteria and grass seeds can be thoroughly killed, peculiar smell and the like generated by high-temperature fermentation bacteria in the groove body are returned to the pile body for fermentation filtration, so that peculiar smell is greatly reduced, and secondary pollution is avoided.

Illustratively, as shown in fig. 2, the circulating air port includes a through hole opened in the cover film 2, the inner wall of the cover film 2 is provided with a connecting ring 6 for connecting the circulating air pipe 5, the connecting ring 6 is coaxially arranged with the through hole and fixed to the cover film 2 by a plurality of riveting nuts 7, and one end of the circulating air pipe 5 near the cover film 2 is connected to the riveting nuts 7 by a connecting flange 8.

Among this technical scheme, flange's structure belongs to prior art, conventional mode fixed connection such as staple bolt or hot melt is passed through in the circulating air pipe in flange, and promote the leakproofness of junction through conventional structures such as sealing ring, flange passes through the bolt and can connects in riveting nut, make things convenient for the dismouting, riveting nut is fixed in the go-between in the inboard corresponding position of cover film, be used for flange's fixed simultaneously, pass through bolted connection in riveting nut back at flange, under the effect of go-between, cover the face contact between the terminal surface of membrane and flange, promote sealing performance, in addition, avoid bolted connection department to pull the cover film and lead to covering the membrane to warp or tear etc., the life of extension cover film.

Illustratively, as shown in fig. 2 and 3, eight riveting nuts 7 are arranged in an annular array, and an annular avoidance groove is concavely arranged on one side end face of the connecting flange 8 close to the covering film 2.

Among this technical scheme, flange is provided with the mounting hole that corresponds with the riveting nut to fix it with the riveting nut through the bolt, flange fixed back, riveting nut salient in the part that covers the membrane be in avoid the inslot, avoid interfering the flange and cover the face contact between the membrane, promote the leakproofness, the effect of dodging the groove also can be realized through processing the mounting hole for the counter bore structure.

Illustratively, as shown in fig. 3, the connection ring 6 is formed by splicing four arc-shaped plates.

According to the technical scheme, four arc-shaped plates are spliced into an annular structure and used as a connecting ring, each arc-shaped plate is fixed on a covering film through two riveting nuts, when a connecting flange is installed, two bolts in the same arc-shaped plate are connected and then screwed down, the arc-shaped plates are prevented from rotating along with the bolts, and the installation of the connecting flange outside the covering film can be completed; all edges and corners of the arc-shaped blocks are passivated, the cover film occupies space in the transportation process or after fermentation, the cover film needs to be folded for storage, the connecting ring is formed by splicing four arc-shaped plates, and the connecting ring can also be folded along the splicing position of the arc-shaped blocks.

A sealing gasket (not shown) is provided between the connecting flange 8 and the cover film 2.

In the technical scheme, the sealing gasket is of a conventional annular structure, and is provided with a round hole for accommodating a bolt and a riveting nut to pass through, so that the sealing property between the connecting flange and the covering film is improved.

Illustratively, the outer wall of the circulating air pipe 5 is coated with heat insulation cotton.

In the technical scheme, the heat-insulating cotton is coated on the outer wall of the circulating air pipe through conventional devices such as a binding belt, so that the heat loss at the circulating air pipe is reduced, and the utilization rate of heat generated by fermentation is further improved.

Illustratively, as shown in fig. 1, a drain valve 9 is arranged at the bottom of one end of the circulating air pipe 5 close to the fan 4.

In the technical scheme, the drain valve is used for discharging condensed water formed by water vapor in the circulating air pipe, and the drain valve can be directly communicated with a sewage tank or a sewage pool of the fermentation tank through a water pipe and the like.

Illustratively, as shown in fig. 1, an air inlet of the fan 4 is provided with an air supplement pipe communicated with the atmosphere, and the air supplement pipe is provided with a flow valve 10.

Among this technical scheme, the air intake of fan is connected simultaneously in the fermentation vat and atmosphere, and specific pipeline setting belongs to conventional structure, and among the high temperature gas circulation process in the fermentation vat, oxygen content can reduce gradually, supplements fresh air through opening the flow valve, guarantees the required oxygen content of fermentation.

As shown in fig. 1, a filter net (not shown) is disposed on an inner wall of the air circulation pipe 5 near one end of the cover film 2.

In the technical scheme, the filter screen is embedded into the connecting flange or a mesh-shaped structure is knitted at the through hole of the covering film, so that fermented materials are prevented from blocking the circulating air pipe.

To sum up, the utility model discloses simple structure utilizes the high hot gas that the circulation tuber pipe produced the fermentation to squeeze into the aeration pipe again in, reduces the heat and runs off by a wide margin to the required high temperature duration of fermentation in the extension groove makes the material fermentation heap more fully become thoroughly decomposed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. The utility model provides an aeration fermentation vat, its characterized in that, includes the cell body, covers the cover membrane on cell body top and communicate the air supply system in the cell body, the cell body includes prevention of seepage ground and sets up in the cell wall on prevention of seepage ground top, the one end of cell wall is provided with the feed inlet, cover the top and the feed inlet that the membrane is fixed in the cell wall, air supply system is including distributing in the aeration pipe of cell body bottom and setting up in the cell body outside and communicate in the fan of aeration pipe, it is provided with a plurality of circulation wind gaps to cover the membrane, the circulation wind gap through the circulation tuber pipe communicate in the air intake of fan.

2. An aeration fermentation tank according to claim 1, wherein the circulating air port comprises a through hole arranged on the covering film, the inner wall of the covering film is provided with a connecting ring for connecting a circulating air pipe, the connecting ring and the through hole are coaxially arranged and fixed on the covering film through a plurality of riveting nuts, and one end of the circulating air pipe close to the covering film is connected to the riveting nuts through a connecting flange.

3. An aeration fermentation tank according to claim 2, wherein a plurality of riveting nuts are arranged in an annular array, and an annular avoidance groove is concavely arranged on one side end surface of the connecting flange close to the covering film.

4. An aerated fermentation tank according to claim 2 wherein the connecting ring is formed by splicing a plurality of arc-shaped plates.

5. An aerated fermenter according to claim 2, wherein a gasket is provided between the connecting flange and the covering membrane.

6. An aerated fermentation tank according to claim 1, wherein the outer wall of the circulating air pipe is covered with heat insulation cotton.

7. An aerated fermentation tank according to claim 1, wherein a drain valve is arranged at the bottom of the end of the circulating air pipe close to the fan.

8. An aerated fermentation tank according to claim 1, wherein the air inlet of the fan is provided with an air supply pipe communicated with the atmosphere, and the air supply pipe is provided with a flow valve.

9. An aerated fermentation tank according to claim 1, wherein the inner wall of the circulating air pipe near one end of the covering membrane is provided with a filter screen.