Efficient recycling device for thallus fermentation waste liquid
By combining liquid guiding, driving, flipping and negative pressure liquid extraction mechanisms, the problem of difficulty in extracting and dumping bacterial residue and supernatant in existing devices is solved, realizing efficient recovery and automated treatment of bacterial fermentation waste liquid.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAANXI DELIANGYUAN BIOTECHNOLOGY CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-19
AI Technical Summary
Existing bacterial fermentation waste liquid recovery devices are not convenient for extracting and dumping bacterial residues and supernatant after centrifugation.
A high-efficiency waste liquid recovery device for bacterial fermentation was designed, comprising a liquid guiding mechanism, a driving mechanism, a flipping and adjusting mechanism, and a negative pressure liquid extraction mechanism. The liquid guiding mechanism enables the injection and extraction of waste liquid and supernatant, the driving mechanism enables centrifugal separation, the flipping and adjusting mechanism enables the dumping of bacterial residue, the negative pressure liquid extraction mechanism enables the negative pressure state of the storage tank, and the controller enables fully automated control of the entire process.
It achieves efficient separation of waste liquid in centrifuge tanks and automatic dumping of bacterial residue, improving the recovery efficiency and automation level of bacterial fermentation waste liquid.
Smart Images

Figure CN224253090U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bacterial fermentation waste liquid recovery technology, and in particular to a high-efficiency bacterial fermentation waste liquid recovery device. Background Technology
[0002] A high-efficiency recovery device for the fermentation waste liquid from methanogenic bacteria producing single-cell protein needs to be designed based on the metabolic characteristics of methanogenic bacteria, the single-cell protein production process, and the composition of the waste liquid. The core device must encompass fermentation system optimization, waste gas recycling, multi-stage waste liquid treatment, and automated control modules. During the recovery process, a centrifugal separation mechanism is required to separate the bacterial residue from the waste liquid.
[0003] However, existing bacterial fermentation waste liquid recovery devices are often not convenient for extracting and dumping bacterial residues and supernatant after centrifugation.
[0004] Therefore, it is necessary to provide a high-efficiency recovery device for microbial fermentation waste liquid to solve the above-mentioned technical problems. Utility Model Content
[0005] To address the technical problem that existing high-efficiency recovery devices for bacterial fermentation waste liquid often cannot easily extract and pour out the bacterial residue and supernatant after centrifugation, this utility model provides a high-efficiency recovery device for bacterial fermentation waste liquid.
[0006] The efficient waste liquid recovery device for bacterial fermentation provided by this utility model includes: a base plate; a frame fixedly installed on the base plate; a rotating shaft rotatably installed on the base plate; a U-shaped plate fixedly installed on the rotating shaft; a horizontal shaft rotatably installed on the inner wall of the U-shaped plate; a centrifugal separator fixedly installed on the horizontal shaft; a tank cover threaded onto the centrifugal separator; a liquid guiding mechanism installed on the frame for injecting waste liquid into the centrifugal separator or extracting supernatant; a drive mechanism installed on the base plate for driving the centrifugal separator to rotate; and a tilting adjustment mechanism installed on the U-shaped plate for adjusting the tilt angle of the centrifugal separator.
[0007] Preferably, the liquid guiding mechanism includes: a rotary joint fixedly installed on the top of the frame; a liquid guiding pipe installed at the bottom of the rotary joint and fixedly connected to the rotating shaft; a three-way pipe installed on the rotary joint; an inlet pipe and a suction pipe installed on the three-way pipe; a first solenoid valve and a second solenoid valve respectively installed on the inlet pipe and the suction pipe; a flexible hose installed on the liquid guiding pipe and connected to the centrifugal separator; and a negative pressure liquid extraction mechanism installed on one side of the frame.
[0008] Preferably, the negative pressure pumping mechanism includes: a liquid storage tank fixedly installed on one side of the frame; a negative pressure pump fixedly installed on one side of the liquid storage tank; and a negative pressure pipe installed at the air inlet of the negative pressure pump and equipped with a one-way valve.
[0009] Preferably, the drive mechanism includes: a drive motor fixedly mounted on the base plate and having a drive gear; and a driven gear fixedly sleeved on the rotating shaft and meshing with the drive gear.
[0010] Preferably, the flipping adjustment mechanism includes: a servo motor fixedly mounted on the U-shaped plate; and bevel gears fixedly mounted on the output shaft of the servo motor and on the horizontal shaft and meshing with each other.
[0011] Preferably, a drain pipe is provided on one side of the liquid storage tank, a drain valve is provided on the drain pipe, and an annular collection tray is provided on the bottom plate.
[0012] Preferably, a controller is provided on one side of the frame. The controller is electrically connected to the first solenoid valve, the second solenoid valve, the negative pressure pump, and the drive motor. A conductive slip ring is fixedly sleeved on the rotating shaft. The conductive slip ring is fixedly connected to the base plate and electrically connected to the controller and the servo motor.
[0013] Compared with related technologies, the high-efficiency recovery device for bacterial fermentation waste liquid provided by this utility model has the following beneficial effects:
[0014] This invention provides a high-efficiency recovery device for bacterial fermentation waste liquid. A centrifuge tank can be rotated and supported by a rotating shaft and a U-shaped plate. The centrifuge tank can be rotatably mounted on the inner wall of the U-shaped plate by a horizontal shaft. A liquid guiding mechanism can inject waste liquid into the centrifuge tank or extract supernatant. A drive mechanism can drive the centrifuge tank to rotate, thereby centrifuging and separating the waste liquid in the centrifuge tank into supernatant and bacterial residue. A flipping adjustment mechanism can drive the horizontal shaft and the centrifuge tank to rotate, thereby flipping the centrifuge tank and pouring the bacterial residue in the centrifuge tank into an annular collection tray for collection. The waste liquid can be introduced into the centrifuge tank through an inlet pipe, a three-way pipe, a rotary joint, a liquid guiding pipe, and a flexible hose. The supernatant in the centrifuge tank can be drawn into the storage tank through a suction pipe, a three-way pipe, a rotary joint, a guide pipe, and a flexible hose. A negative pressure pump and a negative pressure pipe can extract air from the storage tank, creating a negative pressure. A drive motor, a driving gear, and a driven gear drive a rotating shaft, which in turn rotates the centrifuge tank via a U-shaped plate and a horizontal shaft, thus centrifuging the waste liquid inside. A servo motor and two bevel gears drive the horizontal shaft and the centrifuge tank to rotate, causing the tank to tilt and dump the bacterial residue into a ring-shaped collection tray for collection. The collected supernatant in the storage tank can be discharged through a drain pipe and a drain valve. The device can be operated and controlled by a controller, and a conductive slip ring allows the servo motor to be electrically connected to the controller while rotating. Attached Figure Description
[0015] Figure 1 A schematic diagram of a preferred embodiment of the high-efficiency recovery device for microbial fermentation waste liquid provided by this utility model;
[0016] Figure 2 for Figure 1 A schematic diagram of the front view of the structure;
[0017] Figure 3 for Figure 1 The enlarged schematic diagram of part A shown in the figure.
[0018] Numbered in the diagram: 1. Base plate; 2. Frame; 3. Rotating shaft; 4. U-shaped plate; 5. Horizontal shaft; 6. Centrifugal separator; 7. Tank cover; 8. Rotary joint; 9. Liquid guide pipe; 10. T-connector; 11. Liquid inlet pipe; 12. First solenoid valve; 13. Liquid extraction pipe; 14. Second solenoid valve; 15. Hose; 16. Storage tank; 17. Negative pressure pump; 18. Negative pressure pipe; 19. Check valve; 20. Drive motor; 21. Driving gear; 22. Driven gear; 23. Annular collection tray; 24. Servo motor; 25. Bevel gear; 26. Drain pipe; 27. Drain valve; 28. Controller; 29. Conductive slip ring. Detailed Implementation
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0020] Please refer to the following: Figure 1-3 ,in, Figure 1 A schematic diagram of a preferred embodiment of the high-efficiency recovery device for microbial fermentation waste liquid provided by this utility model; Figure 2 for Figure 1 A schematic diagram of the front view of the structure; Figure 3 for Figure 1 The enlarged schematic diagram of part A shown in the figure. The high-efficiency recovery device for bacterial fermentation waste liquid includes: a base plate 1; a frame 2 fixedly mounted on the base plate 1; a rotating shaft 3 rotatably mounted on the base plate 1; a U-shaped plate 4 fixedly mounted on the rotating shaft 3; a horizontal shaft 5 rotatably mounted on the inner wall of the U-shaped plate 4; a centrifugal separator 6 fixedly mounted on the horizontal shaft 5; a tank cover 7 threadedly mounted on the centrifugal separator 6; a liquid guiding mechanism mounted on the frame 2 for injecting waste liquid into the centrifugal separator 6 or extracting supernatant; a drive mechanism mounted on the base plate 1 for driving the centrifugal separator 6 to rotate; and a mechanism mounted on the U-shaped plate 4 for adjusting the tilt angle of the centrifugal separator 6. The adjustable tilting mechanism can rotate and support the centrifuge tank 6 via the rotating shaft 3 and the U-shaped plate 4. The centrifuge tank 6 can be rotated and installed on the inner wall of the U-shaped plate 4 via the horizontal shaft 5. The liquid guiding mechanism can inject waste liquid into the centrifuge tank 6 or extract the supernatant. The driving mechanism can drive the centrifuge tank 6 to rotate, thereby centrifuging and separating the waste liquid in the centrifuge tank 6 into supernatant and bacterial residue. The tilting adjustment mechanism can drive the horizontal shaft 5 and the centrifuge tank 6 to rotate, thereby tilting the centrifuge tank 6 and pouring the bacterial residue in the centrifuge tank 6 into the annular collection tray 23 for collection.
[0021] The liquid guiding mechanism includes: a rotary joint 8 fixedly installed on the top of the frame 2; a liquid guiding pipe 9 installed at the bottom of the rotary joint 8 and fixedly connected to the rotating shaft 3; a three-way pipe 10 installed on the rotary joint 8; an inlet pipe 11 and a suction pipe 13 installed on the three-way pipe 10; a first solenoid valve 12 and a second solenoid valve 14 respectively installed on the inlet pipe 11 and the suction pipe 13; a flexible hose 15 installed on the liquid guiding pipe 9 and connected to the centrifugal separator 6; and a negative pressure liquid extraction mechanism installed on one side of the frame 2. Waste liquid can be introduced into the centrifugal separator 6 through the inlet pipe 11, the three-way pipe 10, the rotary joint 8, the liquid guiding pipe 9, and the flexible hose 15. Supernatant in the centrifugal separator 6 can be pumped into the storage tank 16 through the suction pipe 13, the three-way pipe 10, the rotary joint 8, the liquid guiding pipe 9, and the flexible hose 15.
[0022] The negative pressure pumping mechanism includes: a liquid storage tank 16 fixedly installed on one side of the frame 2; a negative pressure pump 17 fixedly installed on one side of the liquid storage tank 16, the negative pressure pump 17 being a DLP200BLDC; and a negative pressure pipe 18 installed at the air inlet of the negative pressure pump 17 and equipped with a one-way valve 19. The negative pressure pump 17 and the negative pressure pipe 18 can extract air from the liquid storage tank 16, thereby creating a negative pressure inside the liquid storage tank 16.
[0023] The driving mechanism includes: a drive motor 20 fixedly mounted on the base plate 1 and equipped with a drive gear 21, the model of the drive motor 20 being HTYPG90S-8; and a driven gear 22 fixedly sleeved on the rotating shaft 3 and meshing with the drive gear 21. The drive motor 20, the drive gear 21, and the driven gear 22 drive the rotating shaft 3 to rotate, and the rotating shaft 3 drives the centrifugal separation tank 6 to rotate through the U-shaped plate 4 and the horizontal shaft 5, thereby centrifuging the waste liquid in the centrifugal separation tank 6.
[0024] The flipping adjustment mechanism includes: a servo motor 24 fixedly installed on the U-shaped plate 4, the model of which is ECMA-C20807RS; and bevel gears 25 fixedly installed on the output shaft of the servo motor 24 and the horizontal shaft 5 and meshing with each other. The servo motor 24 and the two bevel gears 25 drive the horizontal shaft 5 and the centrifuge tank 6 to rotate, thereby flipping the centrifuge tank 6 and pouring the bacterial residue in the centrifuge tank 6 into the annular collection tray 23 for collection.
[0025] A drain pipe 26 is provided on one side of the liquid storage tank 16, and a drain valve 27 is provided on the drain pipe 26. An annular collection tray 23 is provided on the bottom plate 1. The supernatant collected in the liquid storage tank 16 can be discharged through the drain pipe 26 and the drain valve 27.
[0026] A controller 28, model ZG-ASLM, is provided on one side of the frame 2. The controller 28 is electrically connected to the first solenoid valve 12, the second solenoid valve 14, the negative pressure pump 17, and the drive motor 20. A conductive slip ring 29, model MF2040-12, is fixedly sleeved on the rotating shaft 3. The conductive slip ring 29 is fixedly connected to the base plate 1 and electrically connected to the controller 28 and the servo motor 24. The device can be operated and controlled through the controller 28, and the servo motor 24 can be electrically connected to the controller 28 when rotating through the conductive slip ring 29.
[0027] The working principle of the high-efficiency recovery device for bacterial fermentation waste liquid provided by this utility model is as follows:
[0028] Open the first solenoid valve 12, and introduce the waste liquid into the centrifugal separator 6 through the inlet pipe 11, the three-way pipe 10, the rotary joint 8, the guide pipe 9, and the hose 15. After completion, close the first solenoid valve 12 and start the drive motor 20. The drive motor 20 drives the rotating shaft 3 to rotate through the drive gear 21 and the driven gear 22. The rotating shaft 3 drives the centrifugal separator 6 to rotate through the U-shaped plate 4 and the horizontal shaft 5, thereby centrifuging the waste liquid in the centrifugal separator 6 to separate the waste liquid into supernatant and bacterial residue. Start the negative pressure pump 17. The negative pressure pump 17 extracts the air in the storage tank 16 through the negative pressure pipe 18, thereby creating a negative pressure in the storage tank 16. Open the second solenoid valve 14, and draw the supernatant in the centrifugal separator 6 into the storage tank 16 through the suction pipe 13, the three-way pipe 10, the rotary joint 8, the guide pipe 9, and the hose 15. The supernatant in the storage tank 16 can be discharged through the drain pipe 26 and the drain valve 27.
[0029] After the supernatant is extracted, the tank cover 7 is opened and the servo motor 24 is started. The servo motor 24 drives the horizontal shaft 5 and the centrifuge tank 6 to rotate through two bevel gears 25, thereby causing the centrifuge tank 6 to flip over and pour the bacterial residue in the centrifuge tank 6 into the annular collection tray 23 for collection.
[0030] Compared with related technologies, the high-efficiency recovery device for bacterial fermentation waste liquid provided by this utility model has the following beneficial effects:
[0031] This utility model provides a high-efficiency recovery device for bacterial fermentation waste liquid. The centrifuge tank 6 can be rotated and supported by the rotating shaft 3 and the U-shaped plate 4. The centrifuge tank 6 can be rotatably installed on the inner wall of the U-shaped plate 4 by the horizontal shaft 5. The waste liquid can be injected into the centrifuge tank 6 or the supernatant can be extracted by the liquid guiding mechanism. The centrifuge tank 6 can be driven to rotate by the driving mechanism, thereby centrifuging and separating the waste liquid in the centrifuge tank 6 into supernatant and bacterial residue. The horizontal shaft 5 and the centrifuge tank 6 can be rotated by the flipping adjustment mechanism, thereby flipping the centrifuge tank 6 and pouring the bacterial residue in the centrifuge tank 6 into the annular collection tray 23 for collection. The waste liquid can be introduced into the centrifuge tank 6 through the liquid inlet pipe 11, the three-way pipe 10, the rotary joint 8, the liquid guiding pipe 9 and the hose 15. The supernatant in the centrifuge tank 6 can be drawn into the storage tank 16 through the suction pipe 13, the three-way pipe 10, the rotary joint 8, the guide pipe 9, and the hose 15. The air in the storage tank 16 can be extracted through the negative pressure pump 17 and the negative pressure pipe 18, thereby creating a negative pressure in the storage tank 16. The drive motor 20, the drive gear 21, and the driven gear 22 drive the rotating shaft 3 to rotate. The rotating shaft 3 drives the centrifuge tank 6 to rotate through the U-shaped plate 4 and the horizontal shaft 5, thereby centrifuging the waste liquid in the centrifuge tank 6. The servo motor 24 and the two bevel gears 25 drive the horizontal shaft 5 and the centrifuge tank 6 to rotate, thereby turning the centrifuge tank 6 over and pouring the bacterial residue in the centrifuge tank 6 into the annular collection tray 23 for collection. The supernatant collected in the storage tank 16 can be discharged through the drain pipe 26 and the drain valve 27. The device can be operated and controlled by the controller 28. The servo motor 24 can be electrically connected to the controller 28 when rotating through the conductive slip ring 29.
[0032] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A high-efficiency recovery device for microbial fermentation waste liquid, characterized in that, include: Base plate; A frame fixedly mounted on the base plate; Rotate the shaft mounted on the base plate; A U-shaped plate fixedly mounted on the rotating shaft; Rotate the horizontal shaft mounted on the inner wall of the U-shaped plate; A centrifugal separator tank fixedly mounted on the horizontal axis; A can lid threaded onto the centrifugal separator; A liquid guiding mechanism installed on the frame for injecting waste liquid into the centrifugal separator or extracting supernatant; A drive mechanism mounted on the base plate for driving the centrifugal separator to rotate; A tilting adjustment mechanism installed on the U-shaped plate for adjusting the tilt angle of the centrifugal separator.
2. The high-efficiency recovery device for bacterial fermentation waste liquid according to claim 1, characterized in that, The liquid guiding mechanism includes: A rotary joint fixedly installed on the top of the frame; A liquid guide tube installed at the bottom of the rotary joint and fixedly connected to the rotating shaft; A tee pipe installed on the rotary joint; The inlet pipe and the outlet pipe are installed on the three-way pipe; A first solenoid valve and a second solenoid valve are respectively installed on the inlet pipe and the outlet pipe; A flexible tube installed on the liquid guide tube and connected to the centrifugal separator; A negative pressure liquid extraction mechanism is installed on one side of the frame.
3. The high-efficiency recovery device for bacterial fermentation waste liquid according to claim 2, characterized in that, The negative pressure pumping mechanism includes: A liquid storage tank fixedly installed on one side of the frame; A negative pressure pump is fixedly installed on one side of the liquid storage tank; A negative pressure pipe installed at the air inlet of the negative pressure pump and equipped with a one-way valve.
4. The high-efficiency recovery device for bacterial fermentation waste liquid according to claim 3, characterized in that, The drive mechanism includes: A drive motor with a drive gear is fixedly mounted on the base plate; A driven gear that is fixedly sleeved on the rotating shaft and meshes with the driving gear.
5. The high-efficiency recovery device for bacterial fermentation waste liquid according to claim 4, characterized in that, The flip adjustment mechanism includes: A servo motor is fixedly mounted on the U-shaped plate; The bevel gears are fixedly installed on the output shaft of the servo motor and on the horizontal shaft respectively and mesh with each other.
6. The high-efficiency recovery device for bacterial fermentation waste liquid according to claim 3, characterized in that, A drain pipe is provided on one side of the liquid storage tank, and a drain valve is provided on the drain pipe. An annular collection tray is provided on the bottom plate.
7. The high-efficiency recovery device for bacterial fermentation waste liquid according to claim 5, characterized in that, A controller is provided on one side of the frame. The controller is electrically connected to the first solenoid valve, the second solenoid valve, the negative pressure pump and the drive motor. A conductive slip ring is fixedly sleeved on the rotating shaft. The conductive slip ring is fixedly connected to the base plate and electrically connected to the controller and the servo motor.