CN209825072U

CN209825072U - Solid fermentation tank with accurate and controllable operating parameters

Info

Publication number: CN209825072U
Application number: CN201920366567.9U
Authority: CN
Inventors: 余龙江; 朱圆敏; 付春华; 李锡文; 夏纪永; 金文闻; 崔翔
Original assignee: Huazhong University of Science and Technology
Current assignee: Huazhong University of Science and Technology
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2019-12-24
Anticipated expiration: 2029-03-21

Abstract

The utility model belongs to the technical field of tea fermentation equipment, a solid fermentation tank with accurately controllable operation parameters is disclosed, which comprises a rotary cylinder assembly (12) and a heat preservation layer (10) surrounding the rotary cylinder assembly (12), wherein a middle shaft steel pipe (3) is arranged at the center of the rotary cylinder assembly (12), the rotary cylinder assembly (12) is connected with a power transmission assembly (6) and a speed reducer assembly (2), and the power transmission assembly (6) is matched with the speed reducer assembly (2) to provide rotary power for the rotary cylinder assembly (12); the left end and the right end of the middle shaft steel pipe (3) are respectively provided with a first vibrating device (4) and a second vibrating device (17) which are used for reducing the accumulation of the substances to be fermented of the rotating cylinder assembly (12) on the middle shaft steel pipe (3). The utility model discloses a structure to each subassembly of its fermentation cylinder inside and setting up mode etc. optimize, introduce subassembly such as speed reducer subassembly, bearing, vibrating device and camera, can obtain the accurate controllable solid state fermentation jar of operating parameter.

Description

Solid fermentation tank with accurate and controllable operating parameters

Technical Field

The utility model belongs to the technical field of tea fermentation equipment, more specifically relates to an accurate controllable solid state fermentation jar of operating parameter, and this solid state fermentation jar has characteristics such as the material is even, operating parameter is controllable, inside can monitor, the energy consumption is low, is particularly useful for the fermentation of pu 'er tea, and is corresponding, uses this fermentation cylinder can realize the accurate controllable pu' er tea fermentation technology of operating parameter.

Background

The Pu-erh tea is prepared by using the sun-dried tea of Yunnan large-leaf seeds as a raw material, using a sub-fermentation green tea preparation method, and processing through processes of pile fermentation and the like, has brownish red color and pure and mild taste, has unique old aroma, and becomes the Pu-erh ripe tea. At present, certain breakthrough is made in the Pu ' er tea fermentation mode, and the traditional pile fermentation technology and the off-ground fermentation technology comprise fermentation box fermentation, wood board off-ground fermentation, bamboo basket tea building type fermentation and the like, the technology improves the environmental sanitation of Pu ' er tea fermentation to a certain extent, but the microbial species and the whole fermentation process are still uncontrollable, and the Pu ' er tea fermentation process is not improved substantially.

Along with the progress of scientific and technological, further improve pu 'er tea fermentation technology, the dedicated solid state fermentation jar of pu' er tea has appeared, chinese patent application (2016214773353) a pu 'er ripe tea fermentation jar, this fermentation cylinder has solved the microorganism kind in the pu' er tea fermentation from essence uncontrollable, whole fermentation process relies on the experience, the difficult problem of unable effective regulation and control, at present, this fermentation cylinder has effectively realized the pure fermentation of pu 'er tea scale, for the standardization of better realization pu' er tea fermentation production, the utility model discloses to the key operating parameter of above-mentioned fermentation cylinder, especially the rotational speed (still can include other operating parameter such as moisturizing volume and fermentation cylinder inside process control) optimizes, will further improve fermentation cylinder equipment performance, mainly embody in following several aspects: the problem how to better maintain the fermentation uniformity of a solid fermentation tank is solved: the Pu ' er tea is easy to agglomerate in the fermentation process, and the Pu ' er tea is easy to stick to the wall or the central shaft, so that the fermentation process of the Pu ' er tea is inconsistent; secondly, a certain amount of water needs to be supplemented in the solid fermentation process, and the problem of how to more effectively control the water supplement amount is solved: the water supplement in the prior patent cannot be quantified; large-scale solid state fermentation jar, it is bulky, equipment is heavy, and the rotational speed starts and stops required power big, and the energy consumption is high, and is difficult to control, leads to tealeaves breakable, needs urgently and can effectively regulate and control fermentation cylinder rotational speed, reduces the energy consumption.

SUMMERY OF THE UTILITY MODEL

To the above defect or the improvement demand of prior art, the utility model aims to provide an accurate controllable solid state fermentation jar of operating parameter, structure and the mode of setting etc. through each subassembly to its fermentation jar inside optimize, introduce speed reducer subassembly, subassembly such as bearing and vibrating device, key operating parameter rotational speed that can accurate control solid state fermentation jar on the one hand, make the fermentation jar body at the uniform velocity inception rotate and stop, guarantee the completeness of pu ' er tea blade, and preferably the interpolation through the camera, can monitor the fermentation state of the inside fermented material of waiting of solid state fermentation jar in real time, on the other hand also can improve the phenomenon of sticking to the wall and gathering at the axis steel pipe in pu ' er tea fermentation process, show the volume of reducing pu ' er tea on the axis steel pipe, and simultaneously, through the further optimization to the moisturizing subassembly, can realize the accurate ration of the moisturizing volume; the utility model discloses it is through the setting of a series of subassemblies and the combined action that mutually supports of each subassembly to obtain the accurate controllable solid state fermentation jar of operating parameter. Based on the solid fermentation tank with the accurately controllable technical parameters, the accurate controllability of the technical parameters of the Pu' er tea fermentation can be realized.

To achieve the above object, according to the present invention, a solid fermentation tank with precisely controllable operation parameters is provided, which comprises a rotary cylinder assembly (12) and a heat insulating layer (10) surrounding the rotary cylinder assembly (12); the rotary drum assembly (12) is used for containing raw materials to be fermented, a middle shaft steel pipe (3) penetrating through the rotary drum assembly (12) is arranged at the center of the rotary drum assembly (12), and a water supplementing pipeline and an air ventilating pipeline are further arranged inside the middle shaft steel pipe (3) and used for supplementing liquid and ventilating the rotary drum assembly (12); it is characterized in that the preparation method is characterized in that,

the two ends of the center shaft steel pipe (3) are respectively a left end and a right end, the left end of the center shaft steel pipe (3) is connected with the end face of the rotating cylinder assembly (12) through a bearing, the rotating cylinder assembly (12) is connected with a power transmission assembly (6) located outside the rotating cylinder assembly (12), the power transmission assembly (6) is further connected with a speed reducer assembly (2), and the power transmission assembly (6) is matched with the speed reducer assembly (2) and used for providing rotating power for the rotating cylinder assembly (12); the right end of the middle shaft steel pipe (3) is connected with the other end face of the rotary barrel assembly (12) through a support assembly (16) and penetrates through the rotary barrel assembly (12);

the left end and the right end of the middle shaft steel pipe (3) are respectively provided with a first vibrating device (4) and a second vibrating device (17) which are used for reducing the accumulation of the substances to be fermented of the rotating cylinder assembly (12) on the middle shaft steel pipe (3);

the middle shaft steel pipe (3) is further provided with a water supplementing assembly (25), one end of the left end and the right end of the middle shaft steel pipe (3) is used for water passing, the other end of the middle shaft steel pipe is used for air passing, and liquid conveyed through the water passing end is input into the rotary cylinder assembly (12) through the water supplementing assembly (25).

As a further preferred aspect of the present invention, the total number of the first vibration device (4) and the second vibration device (17) is 2 to 4, and mechanical vibration having a frequency of 0 to 100Hz can be generated.

As a further preference of the present invention, the speed reducer assembly (2) includes a worm gear speed reducer, a stepping motor with a brake, and a frequency converter, and is configured to control the rotation speed of the rotating drum assembly (12) to 0-50 rpm.

As a further optimization of the utility model, the water supplementing component (25) comprises an atomizing nozzle, and the atomized particles of the atomizing nozzle are 10-50 microns.

As a further preference of the utility model, the water-through end of the center shaft steel pipe (3) is connected with a seed tank, and the seed tank is used for storing sterile culture strain liquid or sterilized pure water to be conveyed into the rotary cylinder assembly (12); the seeding tank is placed on a scale, and the liquid conveyed into the rotary cylinder assembly (12) is weighed and quantified by the scale so as to quantitatively replenish the liquid.

As the utility model discloses a further preferred, still seted up the glass window on the lateral wall of rotatory section of thick bamboo subassembly (12) as interior storehouse camera window (7) still install camera support (8) on heat preservation (10), camera support (8) are used for fixed camera, thereby utilize the camera passes through interior storehouse camera window (7) are observed the fermentation state of waiting the fermentation thing in rotatory section of thick bamboo subassembly (12).

As the utility model discloses a further preferred on heat preservation (10) inner wall with the corresponding region of camera support still is provided with gaseous blowing device, this gaseous blowing device be used for to camera blowing gas ensures the observation that the camera can be clear treat the fermentation state of fermentation in the rotatory section of thick bamboo subassembly (12).

As a further preference of the utility model, the rotary cylinder assembly (12) is divided into a plurality of fermentation chambers, and 4-8 groups of baffles (23) are uniformly distributed on the inner wall of each fermentation chamber;

for any group of baffles (23), the baffles (23) are vertically positioned on the inner wall of the rotary drum component (12), the installation direction of the baffles (23) and the center shaft steel pipe (3) form a certain included angle, and the included angle is +/-10-30 degrees.

As a further preferred aspect of the present invention, humidity sensor (21) and temperature sensor (22) are further installed on the surface of the center shaft steel pipe (3), humidity sensor (21) and the sensing position of temperature sensor (22) are located no more than 200 mm above the center shaft steel pipe (3).

As a further preferred aspect of the present invention, the bearing is a double-row tapered roller bearing;

a power support (1) is further arranged at the left end close to the middle shaft steel pipe (3), and the speed reducer assembly (2) and the power transmission assembly (6) are fixed on the power support (1);

a non-power end bracket (18) is further arranged at the right end close to the middle shaft steel pipe (3), and the support component (16) is fixed on the non-power end bracket (18).

Through the above technical scheme conceived by the utility model, the utility model discloses a further optimization to chinese patent (application number 2016214773353) a pu 'er ripe tea fermentation cylinder among the prior art, because the fermentation cylinder is horizontal, fermentation process pu' er tea is concentrated in the bottom, the utility model discloses through adding the rational arrangement of speed reducer subassembly and bearing, utilize the bearing, show the bearing capacity that reduces the fermentation cylinder axis steel pipe, prolong its life to the bearing capacity is bigger, and the bearing capacity can be changed at any time, and the practicality is strong; meanwhile, the rotating speed is accurately controlled, so that the fermentation tank body starts to rotate and stops at a constant speed, and the integrity of the Pu' er tea leaves is ensured; through the further optimization to the moisturizing subassembly, the moisturizing volume can be accurate ration. Meanwhile, the Pu 'er tea agglomeration (block) and adherence amount and the like in the fermentation process are obviously reduced by modifying the stirring mode and the internal structure of the fermentation tank, and the fermentation state of the Pu' er tea is ensured to be completely consistent. The utility model discloses a pu 'er tea fermentation process is even and accurate controllable, can show and improve the product quality to be favorable to developing multiple different pu' er tea products.

Specifically speaking, compared with the prior art, the utility model, have following characteristics: firstly, 316L stainless steel or spray polytetrafluoroethylene is adopted on the inner wall of the fermentation tank, and meanwhile, vibration devices are symmetrically added at two ends of a central shaft steel pipe (namely, the vibration devices are respectively arranged at the left end and the right end of the central shaft steel pipe), so that the phenomena of wall adhesion and gathering on the central shaft steel pipe in the fermentation process of Pu 'er tea are obviously improved, and the accumulation amount of the Pu' er tea on the central shaft steel pipe is obviously reduced; secondly, the fermentation tank adopts a worm gear speed reducer, a stepping motor with a brake and a frequency converter, so that not only can start and stop time parameters be set, but also the rotating speed can be accurately controlled, and multi-position accurate braking can be realized when the fermentation tank stops; thirdly, because one end of the center shaft steel pipe is aerated with water and the other end is aerated with water, the fermentation tank can adopt two water replenishing modes, wherein the first mode is pressurized to replenish water under the condition of high pressure; secondly, water is supplemented in a negative pressure mode through gas-water separation under the condition of low pressure, so that the water supplementing process is more uniform, no open water exists, and the Pu' er tea does not agglomerate; meanwhile, the water replenishing device of the fermentation tank can be used for weighing, so that the accurate control of the water replenishing amount is realized, and the water replenishing amount is efficiently and accurately controlled; the fermentation tank is provided with the camera, so that the internal condition of the fermentation tank can be observed in real time conveniently, and the fermentation state of the Pu' er tea in the fermentation tank can be checked at any time; and the camera can also be used with the high-pressure gas blowing device, and the camera can be guaranteed to clearly show the internal state of the fermentation tank. Meanwhile, the fermentation tank effectively ensures the integrity and uniformity of the tea in the stirring process of the Pu' er tea by changing the arrangement mode of the baffles.

The utility model discloses a solid fermentation jar with accurate and controllable operating parameters needs to make tea uniformly mixed through the rotation of the fermentation jar rotating cylinder in the using process, the fermentation jar rotating cylinder can be controlled by a worm gear speed reducer, a stepping motor with a brake and a frequency converter, the rotation starting and stopping time and the rotation speed of the fermentation jar rotating cylinder can be accurately controlled, and the accurate braking of different positions is realized; the speed reducer assembly can set starting and stopping time parameters, multi-position accurate braking can be realized when the speed reducer assembly stops, the rotating speed range is accurately controlled to be 0-50rpm, and the rotating speed suitable for Pu' er tea fermentation can be particularly controlled to be 0-20 rpm. The middle shaft steel pipe is in a fixed state, and the vibrating devices are added at two ends of the middle shaft steel pipe to vibrate at a certain frequency, so that the tea leaves are prevented from being gathered and agglomerated on the middle shaft steel pipe. In addition, can prefer to adopt two kinds of moisturizing modes, and the moisturizing device can weigh, can realize the accurate control of moisturizing volume, carries out high-efficient accurate control moisturizing volume. The baffle is arranged in the rotary cylinder of the fermentation tank, and for any group of baffles, the baffle is vertically positioned on the inner wall of the rotary cylinder component, the installation direction of the baffle and the center shaft steel pipe form a certain included angle, and the baffle preferably satisfies +/- (10-30 degrees), so that the tea distribution quantity in the rotary cylinder is ensured to be consistent. Moreover, the form change of the tea leaves in the rotary cylinder of the fermentation tank can be observed in real time by further installing a camera device.

To sum up, through optimizing power device, make the rotatory section of thick bamboo rotational speed of fermentation cylinder accurate controllable, simultaneously, the operating parameter of fermentation cylinder has been showing and has been optimized in the optimization of moisturizing mode, the interpolation of vibrating device on the axis steel pipe and the change of baffle arrangement mode, makes the accurate controllable of rotational speed, and the moisturizing volume and the accurate ration of moisturizing time, fermentation process real-time supervision have established the accurate controllable fermentation technique of pu' er tea.

Drawings

FIG. 1 is a schematic diagram of the sectional structure of a solid fermentation tank with precise and controllable operating parameters.

FIG. 2 is a schematic view of the overall appearance of the solid fermentation tank with the precise and controllable operation parameters.

The meanings of the reference symbols in the figures are as follows: 1 is the power support, 2 is the speed reducer subassembly, 3 is the axis steel pipe, 4 is first vibrating device, 5 is the aircraft bonnet, 6 is the power transmission subassembly, 7 is first interior storehouse camera window, 8 is first camera support, 9 is feed inlet 1, 10 is the heat preservation, 11 is the insulating layer, 12 is rotatory section of thick bamboo subassembly, 13 is the second feed inlet, 14 is second camera support, 15 is second interior storehouse camera window, 16 is supporting component, 17 is second vibrating device, 18 is non-power end support, 19 is the base, 20 is first discharge gate, 21 is humidity transducer, 22 is temperature sensor, 23 is the baffle, 24 is discharge gate 2, 25 is the moisturizing subassembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The utility model discloses accurate controllable solid state fermentation jar of operating parameter is in the further optimization on patent a pu-er ripe tea fermentation cylinder (application number 2016214773353's chinese patent application) basis. The chinese patent application No. 2016214773353 is incorporated herein by reference in its entirety.

Generally, the improved solid fermentation tank with the accurately controllable operating parameters comprises a fermentation tank rotating cylinder assembly and a heat preservation layer; the rotary cylinder assembly is sleeved in the heat-insulating layer, and the end surfaces of the rotary cylinder assembly and the heat-insulating layer are connected by a middle shaft steel pipe; one end of the middle shaft steel pipe is connected with the power transmission assembly, the other end of the middle shaft steel pipe is connected with the speed reducer assembly, and a double-row tapered roller bearing is added in a region in contact with the end face of the rotating cylinder assembly, so that the bearing is higher in bearing capacity and easy to replace; the rotary cylinder assembly of the fermentation tank can be provided with a plurality of glass windows (such as two glass windows) which just correspond to the camera bracket, so that the fermentation condition of tea in the fermentation tank can be observed in real time.

Example 1

Taking the rotary drum assembly 12 corresponding to two rotary fermentation chambers as an example, as shown in fig. 1, the solid fermentation tank with precisely controllable operation parameters mainly comprises: the device comprises a power support 1, a speed reducer assembly 2, a middle shaft steel pipe 3, a first vibrating device 4, a hood 5, a power transmission assembly 6, a first inner bin camera window 7, a first camera support 8, a first feeding hole 9, a heat insulation layer 10, a heat insulation layer 11, a rotating cylinder assembly 12, a second feeding hole 13, a second camera support 14, a second inner bin camera window 15, a supporting assembly 16, a second vibrating device 17, a non-power end support 18, a base 19, a first discharging hole 20, a humidity sensor 21, a temperature sensor 22, a baffle plate 23, a second discharging hole 24 and water supplementing assemblies 25 (2-4 water supplementing assemblies 25 can be arranged inside each fermentation chamber). The accurate controllable solid state fermentation jar of this operating parameter is connected with the seeding tank (can inoculate and moisturizing, and accessible weighing ration, not drawn in figure 1) next door, and the control of fermentation jar internal temperature mainly is through heat preservation 10, and ventilation, moisturizing and inoculation are mainly through the access of axis steel pipe 3 internal pipeline (inside ventilate and water service pipe not marked in figure 1). As shown in figure 1, the left end of the middle shaft steel pipe 3 is used for water ventilation, and the right end is used for ventilation.

The total number of the vibrating devices is 2-4, the vibrating devices can be symmetrically arranged at two ends of the center shaft steel pipe, the working frequency is 0-100Hz, and the problem of Pu' er tea accumulation of the center shaft steel pipe is effectively solved.

The solid fermentation tank with the accurately controllable operation parameters can adopt the following working processes: turning on a power supply of the tea solid fermentation tank, starting a motor, firstly heating water in the heat-insulating layer, introducing exogenous steam into the fermentation tank, components inside the rotary cylinder and all pipelines communicated with the inside of the rotary cylinder, maintaining the temperature at 121 ℃ for 30-60min, turning off the steam, and finishing disinfection; when the temperature of the fermentation tank is reduced to room temperature, the pretreated tea raw materials are loaded through a sample inlet, the rotating speed of the rotary cylinder can be accurately controlled through a speed reducer assembly and a power transmission assembly, and the tea is uniformly fermented through the rotation of the rotary cylinder, the left and right reaction of an internal baffle and a vibration device on a middle shaft steel pipe; the strain liquid and water required in the fermentation process can be quantitatively accessed from the seed tank through a pipeline inside the middle shaft steel pipe and the water replenishing assembly 25, no water exists in the whole process, and the water replenishing is uniform;

4-8 groups of baffles 23 are uniformly distributed on the inner wall of each fermentation chamber; for any group of baffles 23, the baffles 23 are vertically positioned on the inner wall of the rotary drum component 12, and the installation direction of the baffles 23 forms a certain included angle with the center shaft steel pipe 3, and the included angle satisfies 10-30 degrees.

The water replenishing component 25 can adopt an atomizing nozzle, atomized particles are 10-50 microns small, and water replenishing is more uniform.

The water replenishing component 25 in the utility model can be used for conventional pressurized water replenishing and can also be separated by gas and water to generate negative pressure for replenishing water; two water replenishing methods may be adopted, for example, the method may be selected according to the magnitude of the water replenishing pressure, and the water replenishing is performed by pressurizing under the condition of high pressure (more than 0.4MPa) and generating the water replenishing by the negative pressure method through gas-water separation under the condition of low pressure (0.2-0.4 MPa). The utility model discloses well moisturizing subassembly's dual mode moisturizing process is even, and no bright water makes the fermentation process more even, and moisturizing speed can be for 0-5L/min, and the moisturizing time needs to confirm according to the required water yield of the inside raw materials of fermentation cylinder.

In addition, temperature sensor 22, humidity transducer 21 can install 200 millimeters positions in axis steel pipe 3 tops, through the humiture sensor of specific position installation, have guaranteed the accuracy of temperature and humidity data, accurate control pu' er tea fermentation process.

Example 2

Except that the rotary drum assembly 12 corresponds to one rotary fermentation chamber in this embodiment, other assemblies and the connection mode between the assemblies can be the same as that in embodiment 1.

Example 3

Except that the rotary drum assembly 12 corresponds to three rotary fermentation chambers in this embodiment, other assemblies and the connection mode between the assemblies can be the same as that in embodiment 1.

The solid fermentation tank of the utility model is suitable for the fermentation of Pu 'er tea, for example, Pu' er tea leaves can be used as raw materials to be fermented; the rotating time of the rotary fermentation cylinder can be adjusted according to the actual situation, and an intermittent rotating mode can be adopted. The diameter of the rotary fermentation cylinder can be adjusted; the set heights of the temperature sensor and the humidity sensor can be kept unchanged.

The utility model discloses among the accurate controllable solid state fermentation jar of operating parameter, rotatory section of thick bamboo subassembly and inside can be directly can all be made by high-quality stainless steel material with the part of treating fermentation thing direct contact, and all materials all accord with the food safety requirement.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A solid fermentation tank with accurately controllable operating parameters comprises a rotary cylinder assembly (12) and an insulating layer (10) surrounding the rotary cylinder assembly (12); the rotary drum assembly (12) is used for containing raw materials to be fermented, a middle shaft steel pipe (3) penetrating through the rotary drum assembly (12) is arranged at the center of the rotary drum assembly (12), and a water supplementing pipeline and an air ventilating pipeline are further arranged inside the middle shaft steel pipe (3) and used for supplementing liquid and ventilating the rotary drum assembly (12); it is characterized in that the preparation method is characterized in that,

2. Solid fermentation tank with precisely controlled operating parameters according to claim 1, characterized in that the total number of the first vibrating device (4) and the second vibrating device (17) is 2-4, capable of generating mechanical vibrations with a frequency of 0-100 Hz.

3. Solid fermentation tank with precisely controllable operating parameters according to claim 1, characterized in that the reducer assembly (2) comprises a worm gear reducer, a stepping motor with brake and a frequency converter for controlling the rotation speed of the rotary drum assembly (12) to 0-50 rpm.

4. Solid fermentation tank with precisely controllable operating parameters according to claim 1, characterized in that the water replenishing assembly (25) comprises an atomizer head, which atomizes particles with a size of 10-50 μm.

5. A solid fermentation tank with accurately controllable operation parameters as claimed in claim 1, characterized in that the water passing end of the central axis steel tube (3) is connected with a seed tank for storing sterile culture solution or sterilized pure water to be transferred into the rotating cylinder assembly (12); the seeding tank is placed on a scale, and the liquid conveyed into the rotary cylinder assembly (12) is weighed by the scale so as to quantitatively replenish the liquid.

6. The solid fermentation tank with the accurately controllable operation parameters as claimed in claim 1, characterized in that the side wall of the rotating cylinder assembly (12) is further opened with a glass window as an inner bin camera window (7), the heat insulating layer (10) is further provided with a camera bracket (8), and the camera bracket (8) is used for fixing a camera, so that the fermentation state of the object to be fermented in the rotating cylinder assembly (12) can be observed through the inner bin camera window (7) by the camera.

7. The solid fermentation tank with the accurately controllable operation parameters as claimed in claim 6, characterized in that a gas blowing device is further arranged on the inner wall of the heat insulation layer (10) in the area corresponding to the camera support, and is used for blowing gas to the camera, so that the camera can clearly observe the fermentation state of the object to be fermented in the rotating cylinder assembly (12).

8. A precisely controllable solid fermentation tank according to claim 1, characterized in that said rotating cylinder assembly (12) is divided into several fermentation chambers, each of which has 4-8 groups of baffles (23) distributed uniformly on its inner wall;

9. Solid fermentation tank with accurately controllable operational parameters according to claim 1, characterized in that a humidity sensor (21) and a temperature sensor (22) are further installed on the surface of the central steel tube (3), and the sensing positions of the humidity sensor (21) and the temperature sensor (22) are no more than 200 mm above the central steel tube (3).

10. The solid fermentation tank with precisely controllable operating parameters as claimed in claim 1, wherein the bearing is a double-row tapered roller bearing;