CN219194945U - Fermenting installation and fermentation system - Google Patents

Abstract

The utility model provides a fermentation device and a fermentation system, and relates to the technical field of fermentation. The fermentation device comprises a fermentation bin, a bin door assembly, a driving mechanism and a sealing structure, wherein a door frame is arranged on one side of the fermentation bin; one side of the bin gate assembly is rotationally connected to the door frame through a first rotating shaft, and the first rotating shaft is horizontally arranged above the door frame; the driving mechanism is connected with the bin gate assembly and is suitable for driving the bin gate assembly to rotate around the first rotating shaft; the sealing structure is arranged between the bin gate assembly and the door frame and is suitable for sealing and connecting the bin gate assembly and the door frame when the bin gate assembly is closed. The utility model can solve the problems of inconvenient in-and-out of the loading machine and high labor intensity of manual opening and closing caused by opening the bin gate assembly of the fermentation bin in the left and right directions in the prior art, and has the effects of facilitating in-and-out of the loading machine and reducing the labor intensity of operators.

Description

Fermenting installation and fermentation system

Technical Field

The utility model relates to the technical field of fermentation, in particular to a fermentation device and a fermentation system.

Background

At present, various biomass wastes such as agricultural rural organic wastes, urban organic household wastes, industrial wastewater and the like are produced into biogas by adopting an anaerobic fermentation technology, so that energy conservation and emission reduction are realized. The main modes of anaerobic fermentation are divided into wet fermentation and dry fermentation. The garage type dry fermentation technology is more and more paid attention to because of the characteristics of strong raw material adaptability, large treatment load, lower process energy consumption, simple post-treatment of products, basically no wastewater discharge and the like.

The core device of the garage type dry fermentation technology is a fermentation bin, a fermentation bin door assembly frame is used for conveying materials through a loading machine, and a bin door assembly is arranged on a door frame of the fermentation bin and used for closing the bin door assembly after the loading of the materials is completed, so that sealing fermentation is carried out. After fermentation is completed, the bin gate assembly is opened, and the materials are transported out through the loading machine. Because traditional door components are all opened along the left-right direction, and the door components between adjacent fermentation cabins can interfere each other when opening, lead to loading machinery to advance the inconvenient material of ejection of compact to, manual work open and close door components, intensity of labour is big.

Disclosure of Invention

The utility model aims to overcome the defects of inconvenient loading and unloading of a loading machine and high labor intensity of manual opening and closing caused by opening a bin door assembly of a fermentation bin in the left-right direction in the prior art, thereby providing a fermentation device and a fermentation system.

In order to solve the problems, the utility model provides a fermentation device, which comprises a fermentation bin, a bin door assembly, a driving mechanism and a sealing structure, wherein a door frame is arranged on one side of the fermentation bin; one side of the bin gate assembly is rotationally connected to the door frame through a first rotating shaft, and the first rotating shaft is horizontally arranged above the door frame; the driving mechanism is connected with the bin gate assembly and is suitable for driving the bin gate assembly to rotate around the first rotating shaft; the sealing structure is arranged between the bin gate assembly and the door frame and is suitable for sealing and connecting the bin gate assembly and the door frame when the bin gate assembly is closed.

Optionally, the bin gate assembly includes a gate body matched with the door frame and at least one connecting arm connected with the gate body, the end part of the connecting arm is rotationally connected above the door frame through a first rotating shaft, and the driving mechanism is connected with the connecting arm.

Optionally, the door assembly further includes a swinging seat, the swinging seat includes a first swinging arm and a second swinging arm that are fixedly connected, an end of the connecting arm is connected with the first swinging arm, an end of the first swinging arm is rotationally connected with the first rotating shaft, the second swinging arm extends towards a direction away from the connecting arm, and an end of the second swinging arm is connected with the driving mechanism.

Optionally, the driving mechanism comprises a driving cylinder, a first end of the driving cylinder is rotationally connected with the bin gate assembly, and a second end of the driving cylinder is rotationally connected with the fermentation bin.

Optionally, the sealing structure comprises a sealing element, and the sealing element is arranged around the door body.

Optionally, the sealing member comprises a sealing air bag, and the sealing air bag is connected with an inflating device; or the seal comprises a sealing strip.

Optionally, the door body includes interior door plant and outer door plant, is equipped with the heat preservation between interior door plant and the outer door plant.

Optionally, a safety device for keeping the bin gate assembly open is arranged between the bin gate assembly and the fermentation bin, the safety device comprises a first locking piece and a second locking piece which are matched with each other, the first locking piece is arranged on one of the bin gate assembly and the fermentation bin, the second locking piece is arranged on the other of the bin gate assembly and the fermentation bin, the safety device is provided with a locking position and an unlocking position, and in the locking position, the first locking piece and the second locking piece are connected and are suitable for preventing the bin gate assembly from rotating around a first rotating shaft.

Optionally, the first locking piece includes the link, and the second locking piece includes the couple of taking the chain, and the link is located on the door subassembly, and the tip and the fermentation storehouse fixed connection of chain.

In another aspect, the utility model provides a fermentation system comprising at least one fermentation device according to any one of the above technical solutions.

Optionally, the fermentation system comprises a plurality of fermentation devices according to any one of the above technical schemes, the bin gate assemblies of the fermentation devices are provided with sealing air bags, and the sealing air bags of the bin gate assemblies are connected with the inflation device through inflation pipelines.

The utility model has the following advantages:

1. by utilizing the technical scheme of the utility model, the bin gate assembly is rotationally connected to the door frame of the fermentation bin through the first rotating shaft, and the first rotating shaft is horizontally arranged above the door frame, so that the bin gate assembly can perform up-and-down overturning motion around the first rotating shaft, thereby realizing up-and-down opening of the bin gate assembly, solving the problem that the left-and-right type door opening is inconvenient for feeding and discharging of a forklift in the prior art, and achieving the effect of facilitating feeding and discharging of a loading machine; the bin gate assembly is opened and closed by the driving mechanism, so that manual participation is reduced, the problems of manual opening of operators and high labor intensity in the prior art are solved, the labor intensity of the operators is reduced, and the driving mechanism is adopted to replace manual opening, so that the safety performance is improved, and the risk of injury of the operators is reduced; because the sealing structure is arranged between the bin gate assembly and the door frame, the bin gate assembly can be in sealing connection with the door frame when being closed, and sealing fermentation in the fermentation bin is realized, so that the fermentation effect is ensured.

2. The heat preservation layer is arranged between the inner door plate and the outer door plate of the bin door assembly, so that the heat preservation effect on the bin materials of the fermentation bin can be achieved, and the fermentation effect is guaranteed.

3. Through setting up safeties, when the door assembly was opened, through the cooperation of safeties's first locking piece and second locking piece, with door assembly locking, keep the state that door assembly opened, prevent to lead to the door assembly to fall because of actuating mechanism trouble, further improve fermenting installation's security performance.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 illustrates a side view of a fermentation device with a door assembly in an open position in accordance with an embodiment of the present utility model;

FIG. 2 shows a partial enlarged view of FIG. 1;

FIG. 3 shows a partial enlarged view at A in FIG. 2;

FIG. 4 shows a top view of a fermentation device with a door assembly in an open position, according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the connection of the drive mechanism and the door assembly of FIG. 4;

FIG. 6 illustrates a front view of a fermentation device with a door assembly in a closed position, provided in an embodiment of the present utility model;

FIG. 7 is an enlarged view showing a partial structure of a fermentation apparatus with a safety device according to an embodiment of the present utility model;

FIG. 8 shows a cross-sectional view of a door in a fermentation device provided by an embodiment of the utility model.

Reference numerals illustrate:

1. a fermentation bin; 11. a door frame; 2. a bin gate assembly; 21. a door body; 211. an inner door panel; 212. an outer door panel; 213. a heat preservation layer; 214. a skeleton; 22. a connecting arm; 23. a swinging seat; 231. a first swing arm; 232. a second swing arm; 3. a first rotating shaft; 4. a driving mechanism; 41. a drive cylinder; 42. an oil tank; 5. a sealing structure; 51. sealing the air bag; 52. an inflator; 53. an inflation line; 6. a safety device; 61. a first locking member; 611. hanging rings; 62. a second locking member; 621. a hook; 622. a chain; 7. a first hinge base; 8. the second hinge seat; 9. a second rotating shaft; 10. and (5) embedding the parts.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

For the purpose of illustrating the concepts of the utility model, the drawings and detailed description are to be regarded as illustrative in nature and not as restrictive.

Example 1

1-8, a fermentation device comprises a fermentation bin 1, a bin door assembly 2, a driving mechanism 4 and a sealing structure 5, wherein a door frame 11 is arranged on one side of the fermentation bin 1; one side of the bin gate assembly 2 is rotatably connected to the door frame 11 through a first rotating shaft 3, and the first rotating shaft 3 is horizontally arranged above the door frame 11; the driving mechanism 4 is connected with the bin gate assembly 2 and is suitable for driving the bin gate assembly 2 to rotate around the first rotating shaft 3; the sealing structure 5 is arranged between the bin gate assembly 2 and the door frame 11, and is suitable for sealing and connecting the bin gate assembly 2 and the door frame 11 when the bin gate assembly 2 is closed.

By utilizing the technical scheme of the utility model, the bin gate assembly 2 is rotatably connected to the door frame 11 of the fermentation bin 1 through the first rotating shaft 3, and the first rotating shaft 3 is horizontally arranged above the door frame 11, so that the bin gate assembly 2 can perform up-and-down overturning motion around the first rotating shaft 3, thereby realizing up-and-down opening of the bin gate assembly 2, solving the problem that the left-and-right type door opening is inconvenient for forklift feeding and discharging in the prior art, and achieving the effect of facilitating feeding and discharging of a loading machine; by arranging the driving mechanism 4, the bin gate assembly 2 is opened and closed by using the driving mechanism 4, so that the manual participation is reduced, the problems of manual door opening and high labor intensity of operators in the prior art are solved, the effect of reducing the labor intensity of the operators is achieved, and the driving mechanism 4 is adopted to replace manual door opening, so that the safety performance is improved, and the risk of injury of the operators is reduced; due to the sealing structure 5 arranged between the bin gate assembly 2 and the door frame 11, the bin gate assembly 2 can be in sealing connection with the door frame 11 when being closed, so that the fermentation in the fermentation bin 1 is realized, and the fermentation effect is ensured.

Alternatively, the bin gate assembly 2 includes a gate body 21 cooperating with the gate frame 11 and at least one connecting arm 22 connected to the gate body 21, and an end of the connecting arm 22 is rotatably connected to the upper side of the gate frame 11 through the first rotation shaft 3, and the driving mechanism 4 is connected to the connecting arm 22. In order to improve the connection strength and reliability between the connection arm 22 and the door body 21, the following three alternative embodiments are included. First, referring to fig. 2, the connection length of the connection arm 22 and the door body 21 is lengthened, and optionally, the connection length of the connection arm 22 and the door body 21 is greater than 1/2 of the length of the door body 21; second, referring to fig. 2, mounting holes are formed in the connecting arm 22 and the door body 21, and the connecting arm 22 and the door body 21 are fastened and connected through bolts; third, referring to fig. 4, 5 or 6, two or more connecting arms 22 are provided, and the two connecting arms 22 are juxtaposed and fixedly connected to the door body 21, respectively.

Specifically, the top wall of the fermentation bin 1 is fixedly provided with a first hinging seat 7, and the end part of the connecting arm 22 is rotationally connected with the first hinging seat 7 through a first rotating shaft 3. When the connecting arm 22 swings up and down around the first rotating shaft 3, the door body 21 can be driven to swing up and down together. When the bin gate assembly 2 swings upwards, the bin gate assembly 2 is in an open state, and when the bin gate assembly 2 swings downwards to be in closed connection with the door frame 11, the bin gate assembly 2 is in a closed state.

Alternatively, the driving mechanism 4 comprises a driving cylinder 41, a first end of the driving cylinder 41 is rotatably connected with the connecting arm 22, and a second end of the driving cylinder 41 is rotatably connected with the fermentation chamber 1. Specifically, referring to fig. 2, in combination with fig. 3, a second hinge seat 8 is fixedly disposed on the top wall of the fermentation chamber 1, the second hinge seat 8 is disposed on one side of the first hinge seat 7 away from the chamber door assembly 2, and the second end of the driving cylinder 41 is hinged to the second hinge seat 8 through a second rotating shaft 9. The piston rod of the driving cylinder 41 extends out and can drive the connecting arm 22 and the bin gate assembly 2 connected with the connecting arm 22 to rotate downwards around the first rotating shaft 3 so as to realize the closing action of the bin gate assembly 2; the piston rod of the driving cylinder 41 is retracted, so that the connecting arm 22 and the bin gate assembly 2 connected with the connecting arm 22 can be driven to swing upwards around the first rotating shaft 3, and the opening action of the bin gate assembly 2 is realized.

Alternatively, when a plurality of connecting arms 22 are provided, each connecting arm 22 is connected to one driving mechanism 4, that is, the end of each connecting arm 22 is connected to a driving cylinder 41. The plurality of drive cylinders 41 are connected to a pressure source via pipes, respectively.

Specifically, in the present embodiment, the driving cylinder 41 is a hydraulic cylinder. The pressure source comprises an oil tank 42 and an oil pump, and oil is supplied to each hydraulic cylinder through the oil pump and a pipeline, so that the pressure of the hydraulic cylinder is controlled, and the bin gate assembly 2 is opened and closed.

During the opening process of the bin gate assembly 2, the hydraulic oil in the oil tank 42 is pumped out by the oil pump, and the hydraulic cylinder is pushed by the oil pressure to pull the connecting arm 22 upwards to a set height;

in the closing process of the bin gate assembly 2, hydraulic oil in the hydraulic cylinder is discharged, and the bin gate assembly 2 can be closed by falling down by self weight.

Of course, as an alternative embodiment, the driving cylinder 41 may also employ an air cylinder or an electric cylinder.

As an alternative embodiment of the drive cylinder 41, other drive arrangements are possible which can drive the connecting arm 22 to pivot about the first pivot axis 3, for example, a motor-driven linkage. The power output end of the connecting rod mechanism is connected with the connecting arm 22, and the motor drives the connecting rod to swing, so that the connecting arm 22 is driven to swing.

Alternatively, referring to fig. 3, the door assembly 2 further includes a swing seat 23, the swing seat 23 includes a first swing arm 231 and a second swing arm 232 fixedly connected, an end of the connecting arm 22 is connected to the first swing arm 231, an end of the first swing arm 231 is rotatably connected to the first rotating shaft 3, the second swing arm 232 extends in a direction away from the connecting arm 22, and an end of the second swing arm 232 is connected to the driving mechanism 4. Specifically, in the present embodiment, the first end of the driving cylinder 41 is rotatably connected to the end of the second swing arm 232, and the second end of the driving cylinder 41 is rotatably connected to the second hinge base 8 through the second rotation shaft 9.

Optionally, the sealing structure 5 includes a sealing member disposed around the door assembly 2.

Optionally, the sealing member comprises a sealing balloon 51, the sealing balloon 51 being connected to an inflator 52. The sealing airbag 51 is inflated by the inflator 52, and when the door assembly 2 is closed, the gap between the periphery of the door assembly 2 and the periphery of the door frame 11 is sealed by airbag filling.

After the interior of the fermentation bin 1 is filled with materials, the connecting arm 22 is rotated by the driving mechanism 4, the bin door assembly 2 is closed, the bin door assembly 2 is in a vertical state and is in butt joint with the door frame 11 of the fermentation bin 1, and the fermentation bin 1 can be sealed by inflating the air bag to the design pressure through the inflating device 52.

Optionally, the inflator 52 comprises an air compressor.

Alternatively, referring to fig. 5 and 6, the sealing airbag 51 has a rectangular structure surrounding the periphery of the door assembly 2, and the sealing airbag 51 is provided with an air tap and is connected to the inflator 52 through a pipe.

As an alternative embodiment, the sealing air bags 51 may be strip-shaped and respectively arranged around the bin gate assembly 2, each sealing air bag 51 is provided with an air tap, and the air tap of each sealing air bag 51 is connected with the air charging device 52 through a pipeline.

Of course, as an alternative embodiment, the sealing member further includes a sealing strip, and the sealing strip may be made of rubber materials. Alternatively, the sealing structure 5 may be disposed around the door frame 11.

Alternatively, referring to fig. 8, the door assembly 2 includes an inner door panel 211 and an outer door panel 212, with an insulating layer 213 disposed between the inner door panel 211 and the outer door panel 212. The heat preservation 213 is arranged between the inner door plate 211 and the outer door plate 212 of the bin door assembly 2, so that the heat preservation effect on the bin materials of the fermentation bin 1 can be achieved, and the fermentation effect is ensured.

Optionally, a skeleton 214 is provided between the inner door panel 211 and the outer door panel 212. Specifically, the frame 214 is assembled from section steel, and supports the inner door panel 211 and the outer door panel 212. The heat preservation layer 213 is filled in a cavity formed by the framework 214, the inner door plate 211 and the outer door plate 212.

Alternatively, the inner door plate 211 and the outer door plate 212 are made of stainless steel materials, and the framework 214 is made of carbon steel corrosion-resistant materials. Wherein, the inner door plate 211 is a door plate facing to one side of the inner cavity of the fermentation chamber 1, and the inner door plate 211 forms part of the inner wall of the fermentation chamber 1. The outer door plate 212 is opposite to the inner door plate 211 and is arranged outside the fermentation chamber 1.

Alternatively, referring to fig. 7, a safety device 6 for keeping the door assembly 2 open is provided between the door assembly 2 and the fermentation chamber 1, the safety device 6 includes a first locking member 61 and a second locking member 62 which are engaged with each other, the first locking member 61 is provided on one of the door assembly 2 and the fermentation chamber 1, the second locking member 62 is provided on the other of the door assembly 2 and the fermentation chamber 1, the safety device 6 has a locking position and an unlocking position, and in the locking position, the first locking member 61 and the second locking member 62 are connected and adapted to prevent the door assembly 2 from rotating about the first rotation shaft 3.

Alternatively, the first locking piece 61 comprises a hanging ring 611, the second locking piece 62 comprises a hanging hook 621 with a chain 622, the hanging ring 611 is arranged on the bin gate assembly 2, and the end part of the chain 622 is fixedly connected with the fermentation bin 1. Specifically, referring to fig. 7, in the present embodiment, the hanging ring 611 is disposed on the swinging seat 23, and the hook 621 is connected to the top wall of the fermentation chamber 1 through the chain 622, that is, the first end of the chain 622 is fixedly connected to the top wall of the fermentation chamber 1, and the second end is a free end and is connected to the hook 621. After the door assembly 2 is opened, the hook 621 is hung in the hanging ring 611, so that the door assembly 2 can be locked and secured, and even if the driving mechanism 4 fails, the door assembly 2 can be prevented from falling by the securing device 6. When the bin gate assembly 2 needs to be closed, the hook 621 is manually taken down, the connection relationship between the hook 621 and the hanging ring 611 is released, and the bin gate assembly 2 can be put down.

Optionally, the top wall of the fermentation bin 1 is provided with an embedded part 10, and the first end of the chain 622 is connected with the embedded part 10 to realize fixed connection with the top wall of the fermentation bin 1. Optionally, the first hinge seat 7 is connected with the embedded part 10, so as to realize the fixed connection between the first hinge seat 7 and the top wall of the fermentation bin 1. Of course, the first end of the chain 622 may also be fixedly connected to the first hinge seat 7.

In order to further improve the safety performance of the fermentation device, the safety device 6 is provided with two or more safety devices 6 which are distributed at intervals along the axial direction of the first rotating shaft 3.

Through setting up safeties 6, when door assembly 2 was opened, through the cooperation of the first locking piece 61 and the second locking piece 62 of safeties 6, with door assembly 2 locking, keep the state that door assembly 2 opened, prevent to lead to door assembly 2 to fall because of actuating mechanism 4 trouble, further improve fermenting installation's security performance.

When the bin gate assembly 2 is opened to a proper height, an operator goes up to the top of the fermentation bin 1 to connect the hook 621 with the hanging ring 611; when the feeding and discharging operation of the fermentation bin 1 is finished, an operator takes down the hook 621, releases the locking, and lowers the bin gate assembly 2 by controlling the driving mechanism 4 until the bin gate assembly 2 is closed. And inflated by the inflator 52 to seal the door assembly 2.

Example 2

A fermentation system comprising at least one fermentation device as described in embodiment 1.

Alternatively, the fermentation system comprises a plurality of the fermentation apparatuses described in embodiment 1, the door assemblies 2 of the fermentation apparatuses are provided with sealing airbags 51, and the sealing airbags 51 of the plurality of door assemblies 2 are connected to the inflator 52 through the inflation line 53.

According to the above description, the present patent application has the following advantages:

1. the bin gate assembly 2 is turned up and down to be opened, so that the effect of facilitating feeding and discharging of the loading machine is achieved; utilize actuating mechanism 4 switching door subassembly 2, reduce artifical the participation, reached the effect that has reduced operating personnel's intensity of labour, when the door subassembly 2 is closed, can realize sealing connection with door frame 11 through seal structure 5, realize fermentation storehouse 1 internal seal fermentation to guarantee the fermentation effect.

2. The heat preservation 213 is arranged between the inner door plate 211 and the outer door plate 212 of the bin door assembly 2, so that the heat preservation effect on the bin materials of the fermentation bin 1 can be achieved, and the fermentation effect is ensured.

3. Through setting up safeties 6, when door assembly 2 was opened, through the cooperation of the first locking piece 61 and the second locking piece 62 of safeties 6, with door assembly 2 locking, keep the state that door assembly 2 opened, prevent to lead to door assembly 2 to fall because of actuating mechanism 4 trouble, further improve fermenting installation's security performance.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A fermentation device, comprising:

the fermentation bin (1), one side of the fermentation bin (1) is provided with a door frame (11);

the bin gate assembly (2), one side of the bin gate assembly (2) is rotatably connected to the door frame (11) through a first rotating shaft (3), and the first rotating shaft (3) is horizontally arranged above the door frame (11);

the driving mechanism (4) is connected with the bin gate assembly (2) and is suitable for driving the bin gate assembly (2) to rotate around the first rotating shaft (3);

and the sealing structure (5) is arranged between the bin gate assembly (2) and the door frame (11), and is suitable for sealing and connecting the bin gate assembly (2) and the door frame (11) when the bin gate assembly (2) is closed.

2. Fermentation device according to claim 1, wherein the door assembly (2) comprises a door body (21) cooperating with the door frame (11) and at least one connecting arm (22) connected with the door body (21), the end of the connecting arm (22) is rotatably connected above the door frame (11) by the first rotating shaft (3), and the driving mechanism (4) is connected with the connecting arm (22).

3. The fermentation device according to claim 2, wherein the door assembly (2) further comprises a swing seat (23), the swing seat (23) comprises a first swing arm (231) and a second swing arm (232) fixedly connected, an end of the connecting arm (22) is connected with the first swing arm (231), an end of the first swing arm (231) is rotatably connected with the first rotating shaft (3), the second swing arm (232) extends towards a direction away from the connecting arm (22), and an end of the second swing arm (232) is connected with the driving mechanism (4).

4. Fermentation device according to claim 1 or 2, wherein the drive mechanism (4) comprises a drive cylinder (41), a first end of the drive cylinder (41) being in rotational connection with the door assembly (2), a second end of the drive cylinder (41) being in rotational connection with the fermentation chamber (1).

5. A fermentation device according to claim 2 or 3, wherein the sealing structure (5) comprises a sealing member provided around the door body (21).

6. Fermentation device according to claim 5, wherein the seal comprises a sealing bladder (51), the sealing bladder (51) being connected with an inflator (52); or the seal comprises a sealing strip.

7. A fermentation device according to claim 2 or 3, wherein the door body (21) comprises an inner door panel (211) and an outer door panel (212), and an insulation layer (213) is arranged between the inner door panel (211) and the outer door panel (212).

8. Fermentation device according to claim 1 or 2, wherein a safety device (6) for keeping the door assembly (2) open is arranged between the door assembly (2) and the fermentation chamber (1), the safety device (6) comprises a first locking piece (61) and a second locking piece (62) which are mutually matched, the first locking piece (61) is arranged on one of the door assembly (2) and the fermentation chamber (1), the second locking piece (62) is arranged on the other of the door assembly (2) and the fermentation chamber (1), the safety device (6) has a locking position and an unlocking position, and in the locking position, the first locking piece (61) and the second locking piece (62) are connected and are suitable for preventing the door assembly (2) from rotating around the first rotating shaft (3).

9. The fermentation device according to claim 8, wherein the first locking member (61) comprises a hanging ring (611), the second locking member (62) comprises a hook (621) with a chain (622), the hanging ring (611) is arranged on the bin gate assembly (2), and the end of the chain (622) is fixedly connected with the fermentation bin (1).

10. A fermentation system comprising at least one fermentation device according to any one of claims 1-9;

or, comprising a plurality of fermenting devices according to any one of claims 1-9, wherein a door assembly (2) of the fermenting device is provided with a sealing air bag (51), and the sealing air bags (51) of the plurality of door assemblies (2) are connected with an inflating device (52) through an inflating pipeline (53).

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