Fermentation resource utilization device for oily wastewater sludge

Abstract

The utility model relates to the technical field of environmental protection, in particular to an oily wastewater sludge fermentation resource utilization device, which promotes the dispersion speed and the dispersion effect of anaerobic zymophyte in sludge by stirring the sludge, so that the anaerobic zymophyte can uniformly ferment the sludge at each part in a fermentation tank chamber, and the utilization rate of the sludge is improved. The fermentation effect is high, use is convenient, and practicability is high; comprising a bottom plate, a support, a fermentation tank and an exhaust pipe, the fermentation tank is fixedly installed on the bottom plate through the support, a cavity is formed in the fermentation tank, the exhaust pipe communicated with the cavity is arranged on the upper portion of the fermentation tank, a valve is arranged on the exhaust pipe, a sludge discharge pipe communicated with the cavity is arranged on the lower portion of the fermentation tank, and a valve is arranged on the sludge discharge pipe. A feeding pipe communicated with the cavity is arranged in the middle of the fermentation tank, and a valve is arranged on the feeding pipe; the device further comprises a filtering mechanism, a stirring mechanism and a conveying mechanism, and the filtering mechanism is installed on the bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection, in particular to a fermentation resource utilization device for oily wastewater sludge. Background Art

[0002] The sludge separated from the oily wastewater contains a large amount of residual oil, finished oil and crude oil, and is rich in organic matter. It can produce a large amount of usable biogas through anaerobic fermentation. In the prior art, the utility model patent with patent application number 202320679070.9 discloses a biogas treatment device, which includes a sludge anaerobic fermentation tank, and the fermentation tank is only composed of a tank body, an exhaust pipe and an air inlet pipe. When the sludge is fermented, the sludge is placed in the tank body, and then the anaerobic bacteria are passed into the tank body, so that the anaerobic bacteria contact the sludge in the tank body for fermentation; the inventor believes that there are the following problems during use. Since the sludge is in a relatively static state in the tank body, when the anaerobic bacteria are added to the tank body, the anaerobic bacteria only rely on their own diffusion to diffuse in the sludge, resulting in the anaerobic bacteria not being evenly distributed in the sludge, and the fermentation effect of the sludge is not good, the fermentation is uneven, and it is inconvenient to use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an oily wastewater sludge fermentation resource utilization device which promotes the dispersion speed and dispersion effect of anaerobic fermentation bacteria in the sludge by stirring the sludge, so that the anaerobic fermentation bacteria can evenly ferment the sludge in various parts of the fermentation tank chamber, has high fermentation effect, is easy to use, and is highly practical.

[0004] The utility model discloses a device for resource utilization of oily wastewater sludge fermentation, comprising a bottom plate, a bracket, a fermentation tank and an exhaust pipe. The fermentation tank is fixedly mounted on the bottom plate by the bracket. A chamber is arranged in the fermentation tank. An exhaust pipe communicating with the chamber is arranged on the upper part of the fermentation tank, and a valve is arranged on the exhaust pipe. A mud discharge pipe communicating with the chamber is arranged on the lower part of the fermentation tank, and a valve is arranged on the mud discharge pipe. A feeding pipe communicating with the chamber is arranged on the middle part of the fermentation tank, and a valve is arranged on the feeding pipe. The utility model also comprises a filtering mechanism, a stirring mechanism and a conveying mechanism. The filtering mechanism is mounted on the bottom plate, the input end of the conveying mechanism is connected with the filtering mechanism, and the output end of the conveying mechanism is connected with the chamber of the fermentation tank. The conveying mechanism has a conveying function, the filtering mechanism has a filtering function, the stirring mechanism is mounted on the fermentation tank, and the stirring mechanism has a stirring function. When the sludge separated from the oily wastewater is fermented, First, the sludge is filtered through a filtering mechanism to remove large solid impurities in the sludge, and then the filtered sludge is transported to the chamber of the fermentation tank through a conveying mechanism, and then anaerobic fermentation bacteria are added to the chamber of the fermentation tank through a feeding pipe, and then the valve on the feeding pipe is closed, and then the stirring mechanism is opened to stir the sludge. During the stirring process, the sludge promotes the dispersion of anaerobic fermentation bacteria in the sludge, so that the anaerobic fermentation bacteria are evenly dispersed in various parts of the sludge, and then the sludge is fermented by the anaerobic fermentation bacteria to generate biogas, and then the biogas in the fermentation tank is discharged through an exhaust pipe and collected for use; by stirring the sludge, the dispersion speed and dispersion effect of the anaerobic fermentation bacteria in the sludge are promoted, so that the anaerobic fermentation bacteria can evenly ferment the sludge in various parts of the chamber of the fermentation tank, and the fermentation effect is high, the use is convenient, and the practicability is high.

[0005] Preferably, the stirring mechanism includes a motor, a rotating shaft and multiple groups of stirring blades. The motor is fixedly mounted on the upper end of the bottom plate, the rotating shaft is rotatably mounted on the lower part of the fermentation tank, the lower end of the rotating shaft is connected to the output end of the motor, the multiple groups of stirring blades are fixedly mounted on the upper part of the rotating shaft, and the multiple groups of stirring blades are located in the chamber of the fermentation tank; when the sludge is passed into the chamber of the fermentation tank, the motor is turned on, and the motor rotates the multiple groups of stirring blades through the rotating shaft. During the rotation process, the multiple groups of stirring blades promote the movement of the sludge in the lower part of the fermentation tank chamber, promote the mixing between the sludge and the anaerobic fermentation bacteria, so that the anaerobic fermentation bacteria can be evenly dispersed in the sludge, and the reliability is high.

[0006] Preferably, the filter mechanism comprises a support frame, a box body, a filter plate, a lifting mechanism, a pushing mechanism and a collecting mechanism, the box body is fixedly mounted on the bottom plate through the support frame, a cavity is arranged in the box body, the filter plate is slidably mounted on the cavity of the box body up and down, the lifting mechanism is mounted on the filter plate and the bottom plate, the lifting mechanism is used to lift the filter plate, the input end of the conveying mechanism is connected with the lower part of the box body cavity, the pushing mechanism is mounted on the upper end of the box body, the collecting mechanism is mounted on the bottom plate, the pushing mechanism has the function of pushing materials, and the collecting mechanism is used to collect solid impurities; when filtering the sludge, the sludge is added into the cavity of the box body through the upper part of the box body cavity, and then the sludge falls to the lower part of the box body cavity after being filtered by the filter plate, the box body filters out the solid impurities in the sludge, and then opens the conveying mechanism, so that the sludge in the lower part of the box body cavity is conveyed to the chamber of the fermentation tank via the conveying mechanism for fermentation; by filtering the solid impurities in the sludge, the solid impurities in the sludge are prevented from entering the conveying mechanism and clogging the pipeline, thereby improving the reliability.

[0007] Preferably, the lifting mechanism includes a hydraulic cylinder and a push rod, the hydraulic cylinder is fixedly mounted on the base plate, the push rod is slidably mounted on the box body up and down, the lower end of the push rod is connected to the output end of the hydraulic cylinder, and the filter plate is fixedly mounted on the upper end of the push rod; when it is necessary to clean the solid impurities filtered out of the filter plate, the hydraulic cylinder is turned on, and the hydraulic cylinder raises the filter plate through the push rod until the filter plate rises and contacts with the pushing mechanism, and then the solid impurities on the upper end of the filter plate are pushed to the left through the pushing mechanism, until the solid impurities on the filter plate are automatically pushed to the collecting mechanism for collection; this facilitates the cleaning of solid impurities on the filter plate and improves convenience.

[0008] Preferably, the pushing mechanism includes two groups of baffles, a fixed plate, a cylinder, a pushing rod and a pushing plate, the two groups of baffles are respectively fixedly mounted on the front and rear parts of the upper end of the box body, the fixed plate is fixedly mounted on the right end of the two groups of baffles, the cylinder is fixedly mounted on the right end of the fixed plate, the pushing rod is slidably mounted on the fixed plate left and right, the right end of the pushing rod is connected to the output end of the cylinder, the pushing plate is fixedly mounted on the left end of the pushing rod, and the lower end of the pushing plate is made of rubber material; when the filter plate rises to contact with the lower end of the push plate, the cylinder is opened, and the cylinder moves the push plate to the left through the pushing rod, and the push plate pushes the solid impurities on the upper end of the filter plate to the left during the left movement, until the solid impurities on the upper end of the filter plate are pushed to the left and collected in the collecting mechanism; this facilitates the cleaning of solid impurities on the upper end of the filter plate and improves convenience.

[0009] Preferably, the collecting mechanism includes a guide plate and a collecting box, wherein the guide plate is fixedly installed at an angle on the left end of the box body, and the collecting box is placed on the bottom plate, and the collecting box is located below the guide plate. Through the above arrangement, when the solid impurities on the upper end of the filter plate are pushed to the left by the push plate, the solid impurities fall onto the guide plate, and then the solid impurities automatically slide through the guide plate into the collecting box for collection, thereby facilitating the collection of solid impurities.

[0010] Preferably, the conveying mechanism includes a sludge pump, an input pipe and an output pipe, the sludge pump is fixedly mounted on the bottom plate, the input end of the sludge pump is connected with the lower part of the box cavity through the input pipe, the output end of the sludge pump is connected with the chamber of the fermentation tank through the output pipe, and a valve is provided on the input pipe; when the sludge in the box cavity is conveyed to the fermentation tank, the sludge pump is turned on, so that the filtered sludge in the lower part of the box cavity is conveyed to the fermentation tank chamber via the input pipe, the sludge pump and the output pipe in sequence for fermentation; thus facilitating the conveying of the sludge.

[0011] Preferably, a vacuum pump is further included, which is fixedly mounted on the fermentation tank, and the input end of the vacuum pump is connected to the chamber of the fermentation tank. Through the above arrangement, before adding anaerobic fermentation bacteria into the chamber of the fermentation tank, the vacuum pump is first turned on to discharge the air in the fermentation tank, thereby reducing the oxygen concentration in the chamber of the fermentation tank and ensuring the anaerobic environment in the chamber of the fermentation tank, and the reliability is high.

[0012] Compared with the prior art, the utility model has the following beneficial effects: by stirring the sludge, the dispersion speed and dispersion effect of anaerobic fermentation bacteria in the sludge are promoted, so that the anaerobic fermentation bacteria can evenly ferment the sludge in various parts of the fermentation tank chamber, with high fermentation effect, easy use and high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0014] Figure 2 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 3 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 4 It is a structural diagram of the lifting mechanism and the filter plate;

[0017] Figure 5 It is a schematic diagram of the structure of the propulsion mechanism;

[0018] Figure 6 It is a structural diagram of the stirring mechanism.

[0019] Markings in the attached drawings: 1. bottom plate; 2. bracket; 3. fermentation tank; 4. exhaust pipe; 5. motor; 6. rotating shaft; 7. stirring blade; 8. support frame; 9. box body; 10. filter plate; 11. hydraulic cylinder; 12. push rod; 13. baffle; 14. fixed plate; 15. cylinder; 16. push rod; 17. push plate; 18. guide plate; 19. collecting box; 20. sludge pump; 21. input pipe; 22. output pipe; 23. vacuum pump. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0021] like Figures 1 to 6 The oily wastewater sludge fermentation resource utilization device of the utility model comprises a bottom plate 1, a bracket 2, a fermentation tank 3, an exhaust pipe 4, a filtering mechanism, a stirring mechanism and a conveying mechanism. The fermentation tank 3 is fixedly mounted on the bottom plate 1 through the bracket 2. A chamber is arranged in the fermentation tank 3. An exhaust pipe 4 communicating with the chamber is arranged on the upper part of the fermentation tank 3. A valve is arranged on the exhaust pipe 4. A mud discharge pipe communicating with the chamber is arranged on the lower part of the fermentation tank 3. A valve is arranged on the mud discharge pipe. A feeding pipe communicating with the chamber is arranged in the middle part of the fermentation tank 3. A valve is arranged on the feeding pipe. The filtering mechanism is mounted on the bottom plate 1. The input end of the conveying mechanism is connected with the filtering mechanism. The output end of the conveying mechanism is connected with the chamber of the fermentation tank 3. The conveying mechanism has a conveying function. The filtering mechanism has a filtering function. The stirring mechanism is mounted on the fermentation tank 3. The stirring mechanism has a stirring function. When the sludge separated from the oily wastewater is fed into the fermentation tank 3, the filtering mechanism is connected with the filtering mechanism. During fermentation, the sludge is first filtered out of large solid impurities in the sludge through a filtering mechanism, and then the filtered sludge is transported to the chamber of the fermentation tank 3 through a conveying mechanism, and then anaerobic fermentation bacteria are added to the chamber of the fermentation tank 3 through a feeding pipe, and then the valve on the feeding pipe is closed, and then the stirring mechanism is opened to stir the sludge. During the stirring process, the sludge promotes the dispersion of the anaerobic fermentation bacteria in the sludge, so that the anaerobic fermentation bacteria are evenly dispersed in various parts of the sludge, and then the sludge is fermented by the anaerobic fermentation bacteria to generate biogas, and then the biogas in the fermentation tank 3 is discharged through the exhaust pipe 4 and collected for use; by stirring the sludge, the dispersion speed and dispersion effect of the anaerobic fermentation bacteria in the sludge are promoted, so that the anaerobic fermentation bacteria can evenly ferment the sludge in various parts of the chamber of the fermentation tank 3, and the fermentation effect is high, the use is convenient, and the practicability is high.

[0022] like Figure 1 and Figure 6The stirring mechanism includes a motor 5, a rotating shaft 6 and multiple groups of stirring blades 7. The motor 5 is fixedly mounted on the upper end of the bottom plate 1, and the rotating shaft 6 is rotatably mounted on the lower part of the fermentation tank 3. The lower end of the rotating shaft 6 is connected to the output end of the motor 5. The multiple groups of stirring blades 7 are all fixedly mounted on the upper part of the rotating shaft 6, and the multiple groups of stirring blades 7 are all located in the chamber of the fermentation tank 3. When the sludge is introduced into the chamber of the fermentation tank 3, the motor 5 is turned on, and the motor 5 rotates the multiple groups of stirring blades 7 through the rotating shaft 6. During the rotation process, the multiple groups of stirring blades 7 promote the movement of the sludge in the lower part of the chamber of the fermentation tank 3, promote the mixing between the sludge and the anaerobic fermentation bacteria, so that the anaerobic fermentation bacteria can be evenly dispersed in the sludge, and the reliability is high.

[0023] like Figure 1 and Figure 4 The filtering mechanism includes a support frame 8, a box body 9, a filter plate 10, a lifting mechanism, a pushing mechanism and a collecting mechanism. The box body 9 is fixedly mounted on the bottom plate 1 through the support frame 8. A cavity is provided in the box body 9. The filter plate 10 is mounted on the cavity of the box body 9 for sliding up and down. The lifting mechanism is mounted on the filter plate 10 and the bottom plate 1. The lifting mechanism is used to lift and lower the filter plate 10. The input end of the conveying mechanism is connected to the lower part of the cavity of the box body 9. The pushing mechanism is mounted on the upper end of the box body 9. The collecting mechanism is mounted on the bottom plate 1. The pushing mechanism has the function of pushing materials. The collecting mechanism is used to collect solid impurities; when filtering the sludge, the sludge is added into the cavity of the box 9 through the upper part of the cavity of the box 9, and then the sludge falls into the lower part of the cavity of the box 9 after being filtered by the filter plate 10. The box 9 filters out the solid impurities in the sludge, and then the conveying mechanism is opened to convey the sludge in the lower part of the cavity of the box 9 to the chamber of the fermentation tank 3 for fermentation; by filtering the solid impurities in the sludge, the solid impurities in the sludge are prevented from entering the conveying mechanism and clogging the pipeline, thereby improving reliability.

[0024] like Figure 4 The lifting mechanism includes a hydraulic cylinder 11 and a push rod 12. The hydraulic cylinder 11 is fixedly mounted on the bottom plate 1, and the push rod 12 is slidably mounted on the box body 9 up and down. The lower end of the push rod 12 is connected to the output end of the hydraulic cylinder 11, and the filter plate 10 is fixedly mounted on the upper end of the push rod 12; when it is necessary to clean the solid impurities filtered out of the filter plate 10, the hydraulic cylinder 11 is opened, and the hydraulic cylinder 11 raises the filter plate 10 through the push rod 12 until the filter plate 10 rises to contact with the pushing mechanism, and then the solid impurities on the upper end of the filter plate 10 are pushed to the left through the pushing mechanism until the solid impurities on the filter plate 10 are automatically pushed to the collecting mechanism for collection; this facilitates the cleaning of the solid impurities on the filter plate 10 and improves convenience.

[0025] like Figure 2 and Figure 5The pushing mechanism includes two groups of baffles 13, a fixed plate 14, a cylinder 15, a pushing rod 16 and a pushing plate 17. The two groups of baffles 13 are fixedly mounted on the front and rear parts of the upper end of the box body 9 respectively, the fixed plate 14 is fixedly mounted on the right end of the two groups of baffles 13, the cylinder 15 is fixedly mounted on the right end of the fixed plate 14, the pushing rod 16 is slidably mounted on the fixed plate 14 left and right, the right end of the pushing rod 16 is connected to the output end of the cylinder 15, and the pushing plate 17 is fixedly mounted on the left end of the pushing rod 16, and the lower end of the pushing plate 17 is made of rubber; when the filter plate 10 rises to contact with the lower end of the pushing plate 17, the cylinder 15 is opened, and the cylinder 15 moves the pushing plate 17 to the left through the pushing rod 16. In the process of moving to the left, the pushing plate 17 pushes the solid impurities on the upper end of the filter plate 10 to the left, and the solid impurities on the upper end of the filter plate 10 are pushed to the left to be collected in the collecting mechanism; it is convenient to clean the solid impurities on the upper end of the filter plate 10 and improves convenience.

[0026] like Figure 2 The collecting mechanism includes a guide plate 18 and a collecting box 19. The guide plate 18 is fixedly installed at the left end of the box body 9 at an angle. The collecting box 19 is placed on the bottom plate 1, and the collecting box 19 is located below the guide plate 18. Through the above arrangement, when the solid impurities on the upper end of the filter plate 10 are pushed to the left by the push plate 17, the solid impurities fall onto the guide plate 18, and then the solid impurities automatically slide through the guide plate 18 into the collecting box 19 for collection, which facilitates the collection of solid impurities. Example 2

[0027] like Figure 1 On the basis of Example 1, a vacuum pump 23 is additionally provided, and the vacuum pump 23 is fixedly mounted on the fermentation tank 3, and the input end of the vacuum pump 23 is communicated with the chamber of the fermentation tank 3; through the above arrangement, before adding anaerobic fermentation bacteria into the chamber of the fermentation tank 3, the vacuum pump 23 is first turned on to discharge the air in the fermentation tank 3, thereby reducing the oxygen concentration in the chamber of the fermentation tank 3 and ensuring the anaerobic environment in the chamber of the fermentation tank 3, and the reliability is high.

[0028] The fermentation tank 3, stirring plate 7, filter plate 10, cylinder 15, sludge pump 20 and vacuum pump 23 of the oily wastewater sludge fermentation resource utilization device of the utility model are all purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, and the technicians in this field do not need to make creative labor.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A device for resource utilization of oily wastewater sludge fermentation, comprising a bottom plate (1), a bracket (2), a fermentation tank (3) and an exhaust pipe (4), wherein the fermentation tank (3) is fixedly mounted on the bottom plate (1) via the bracket (2), a chamber is arranged in the fermentation tank (3), an exhaust pipe (4) communicating with the chamber is arranged at the upper part of the fermentation tank (3), a valve is arranged on the exhaust pipe (4), a mud discharge pipe communicating with the chamber is arranged at the lower part of the fermentation tank (3), a valve is arranged on the mud discharge pipe, a feeding pipe communicating with the chamber is arranged at the middle part of the fermentation tank (3), a valve is arranged on the feeding pipe; characterized in that: It also comprises a filtering mechanism, a stirring mechanism and a conveying mechanism, wherein the filtering mechanism is mounted on the bottom plate (1), the input end of the conveying mechanism is connected to the filtering mechanism, the output end of the conveying mechanism is connected to the chamber of the fermentation tank (3), the conveying mechanism has a conveying function, the filtering mechanism has a filtering function, the stirring mechanism is mounted on the fermentation tank (3), and the stirring mechanism has a stirring function.

2. The oily wastewater sludge fermentation resource utilization device according to claim 1, characterized in that: The stirring mechanism comprises a motor (5), a rotating shaft (6) and a plurality of stirring blades (7); the motor (5) is fixedly mounted on the upper end of the bottom plate (1); the rotating shaft (6) is rotatably mounted on the lower part of the fermentation tank (3); the lower end of the rotating shaft (6) is connected to the output end of the motor (5); the plurality of stirring blades (7) are fixedly mounted on the upper part of the rotating shaft (6); and the plurality of stirring blades (7) are located in the chamber of the fermentation tank (3).

3. The oily wastewater sludge fermentation resource utilization device according to claim 1, characterized in that: The filtering mechanism comprises a support frame (8), a box (9), a filter plate (10), a lifting mechanism, a pushing mechanism and a collecting mechanism. The box (9) is fixedly mounted on the bottom plate (1) via the support frame (8). A cavity is provided in the box (9). The filter plate (10) is mounted on the cavity of the box (9) in an up-and-down sliding manner. The lifting mechanism is mounted on the filter plate (10) and the bottom plate (1). The lifting mechanism is used to lift and lower the filter plate (10). The input end of the conveying mechanism is connected to the lower part of the cavity of the box (9). The pushing mechanism is mounted on the upper end of the box (9). The collecting mechanism is mounted on the bottom plate (1). The pushing mechanism has a function of pushing materials. The collecting mechanism is used to collect solid impurities.

4. The oily wastewater sludge fermentation resource utilization device according to claim 3, characterized in that: The lifting mechanism comprises a hydraulic cylinder (11) and a push rod (12); the hydraulic cylinder (11) is fixedly mounted on the bottom plate (1); the push rod (12) is slidably mounted on the box body (9); the lower end of the push rod (12) is connected to the output end of the hydraulic cylinder (11); and the filter plate (10) is fixedly mounted on the upper end of the push rod (12).

5. The oily wastewater sludge fermentation resource utilization device according to claim 3, characterized in that: The pushing mechanism comprises two groups of baffles (13), a fixed plate (14), a cylinder (15), a pushing rod (16) and a push plate (17). The two groups of baffles (13) are fixedly mounted on the front and rear parts of the upper end of the box body (9), respectively. The fixed plate (14) is fixedly mounted on the right end of the two groups of baffles (13). The cylinder (15) is fixedly mounted on the right end of the fixed plate (14). The pushing rod (16) is slidably mounted on the fixed plate (14) left and right. The right end of the pushing rod (16) is connected to the output end of the cylinder (15). The push plate (17) is fixedly mounted on the left end of the pushing rod (16). The lower end of the push plate (17) is made of rubber.

6. The oily wastewater sludge fermentation resource utilization device according to claim 3, characterized in that: The collecting mechanism comprises a guide plate (18) and a collecting box (19); the guide plate (18) is fixedly installed at an angle on the left end of the box body (9); the collecting box (19) is placed on the bottom plate (1); and the collecting box (19) is located below the guide plate (18).

7. The oily wastewater sludge fermentation resource utilization device according to claim 3, characterized in that: The conveying mechanism comprises a sludge pump (20), an input pipe (21) and an output pipe (22); the sludge pump (20) is fixedly mounted on the bottom plate (1); the input end of the sludge pump (20) is connected to the lower part of the cavity of the box body (9) through the input pipe (21); the output end of the sludge pump (20) is connected to the chamber of the fermentation tank (3) through the output pipe (22); and a valve is provided on the input pipe (21).

8. The oily wastewater sludge fermentation resource utilization device according to claim 1, characterized in that: It also includes a vacuum pump (23), which is fixedly mounted on the fermentation tank (3), and an input end of the vacuum pump (23) is in communication with the chamber of the fermentation tank (3).

Images