Membrane purification device for fermentation liquor
By combining a tubular ultrafiltration membrane device with a PLC control system, the problem of removing proteins, heavy metal ions, and aldehydes from the fermentation broth was solved, achieving efficient purification and stable production of the fermentation broth.
Patent Information
- Application Number
- CN202423107962.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing technologies have difficulty effectively removing proteins, heavy metal ions, and aldehydes from fermentation broth, resulting in low purity, high color, high production consumption, and unstable yield.
Using a tubular ultrafiltration membrane device combined with a PLC control system, the fermentation broth is treated with multiple cycles of filtration and cleaning agents to remove large molecular proteins, heavy metal ions, and aldehydes, thereby reducing moisture content and improving product quality.
It achieves efficient purification of fermentation broth, reduces production costs, improves product quality stability and yield, and reduces human error.
Smart Images
Figure CN223555558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to biological fermentation equipment technical field, concretely relates to a fermentation broth membrane purification device. BACKGROUND
[0002] With the large demand for fermentation products, the quality demand for fermentation broth is higher and higher in industrial production, and the contradiction between the impurities of fermentation broth and the quality demand of industrial production is increasingly prominent. After the fermentation process is completed, a large amount of protein, heavy metal ions, aldehyde substances and organic matter are contained in the fermentation broth, which seriously affects the purity of the fermentation broth. In the production process, the colority of the fermentation broth is high, the aldehyde substances are high, the product quality of the fermentation broth is poor, and the production consumption required in the production process is high. After fermentation, the traditional separation technology requires high human resources and is time-consuming and laborious, which seriously affects the product quality and the continuity of subsequent production. The yield is extremely unstable in the traditional separation technology, which seriously affects the product yield in the subsequent production. SUMMARY
[0003] The purpose of the utility model is to provide a fermentation broth membrane purification device, which can effectively remove a large amount of residual protein, heavy metal ions, aldehyde substances and organic matter in the fermentation broth, reduce the colority of the fermentation broth, reduce the production consumption and improve the quality of the fermentation broth.
[0004] To achieve the above-mentioned utility model purposes, the technical scheme adopted by the utility model is as follows:
[0005] A fermentation broth membrane purification device, which comprises a tubular membrane feed tank, a CIP tank, a pre-filtering tank and a tubular filter membrane. The tubular membrane feed tank is connected with a fermentation broth pipeline through a liquid inlet, and is connected to the pre-filtering tank through a metering pump. The CIP tank is connected with a disinfectant tank, a cleaning agent tank, an alkali tank and an acid tank, and the liquid outlet of the CIP tank is connected to the pre-filtering tank. The pre-filtering tank is connected to the liquid inlet of the tubular filter membrane through a pipeline I, and the liquid outlet of the tubular filter membrane is discharged through a pipeline II.
[0006] Further, a pressure gauge, a flow meter, an electric control valve and a metering pump are arranged in the pipeline before the pre-filtering tank.
[0007] Further, the pre-filtering tank is a mixed temporary storage tank for fermentation broth and CIP tank liquid.
[0008] The CIP tank is a mixed tank for various cleaning agents, and is connected with a cleaning water pipeline. The tank is used to add the mixed cleaning agent to the main pipeline of the pre-filtering tank.
[0009] The tubular filter membrane is a tubular ultrafiltration membrane with a model number of PL-G-838-P, and is mainly used for filtering macromolecular protein, heavy metal ions, aldehyde substances and organic matter.
[0010] The pipe filter membrane outlet liquid outlet flows back to the pipe membrane feed tank and the CIP tank through the pipeline V, the cleaning agent liquid can be recycled, and the cost is reduced.
[0011] The pipe filter membrane outlet liquid outlet flows back to the pipe membrane feed tank and the CIP tank through the pipeline V, the cleaning agent liquid can be recycled, and the cost is reduced.
[0012] The device also comprises a PLC control device, a pressure gauge, a flow meter, a metering pump and electrically-controlled valves are all connected to the PLC control device.
[0013] The working process of the device is as follows: after the upstream fermentation tank produces fermentation stock solution, the fermentation stock solution is stored in the pipe membrane feed tank, and the sterilizing agent, the cleaning agent, the alkali and the acid are mixed in the CIP tank; the pipe membrane feed tank and the CIP tank are connected to the pre-filtering tank; after mixing and stirring, the pre-filtering tank is connected to the pipe filter membrane; 80% of water in the fermentation stock solution is removed, and a large amount of protein, heavy metal ions, aldehyde substances and organic substances are contained in the removed water; the remaining 20% is the fermentation concentrate, which is connected to the recycling pipeline III through the outlet liquid outlet.
[0014] The device has the advantages that: the device has a reasonable structure, can effectively purify and concentrate the fermentation liquid, improves the product quality, and the control valves are all electrically-controlled, so that the complicated manual operation and possible errors are reduced, the yield is stable, and the device is provided with the recycling pipeline connected to the pipe membrane feed tank and the CIP tank, so that the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The utility model discloses an embodiment process flow schematic diagram.
[0016] 1-pipe membrane feed tank, 2-CIP tank, 3-pre-filtering tank, 4-pipe filter membrane, 5-clean water pipeline, 6-sterilizing agent tank, 7-cleaning agent tank, 8-alkali tank, 9-acid tank, 10-metering pump, 11-pipeline I, 12-pipeline II, 13-recycling pipeline III, 14-pipeline IV, 15-pipeline V, 16-wastewater outlet, 17-backwashing pipeline DETAILED DESCRIPTION
[0017] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with reference to the drawings.
[0018] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other embodiments that can not be described in detail herein, and the skilled person can make similar generalizations without departing from the scope of the present application, and therefore the present application is not limited to the specific embodiments disclosed below.
[0019] As shown in the accompanying drawings Figure 1 The device includes a tubular membrane feed tank 1, a CIP tank 2, a pre-filter tank 3, and a tubular filter membrane 4. The tubular membrane feed tank 1 is connected to a fermentation liquid pipeline at an inlet, and is connected to the pre-filter tank 3 through a metering pump 10. The CIP tank 2 is connected to a sterilizing agent tank 6, a cleaning agent tank 7, an alkali tank 8, and an acid tank 9. The CIP tank 2 is connected to the pre-filter tank 3 at an outlet. The pre-filter tank is connected to the inlet of the tubular filter membrane through a pipeline I, and the outlet of the tubular filter membrane 4 is discharged through a pipeline II 12.
[0020] Further, the pipeline before the pre-filter tank 3 is provided with a pressure gauge, a flow meter, an electric control valve, and the metering pump 10.
[0021] Further, the pre-filter tank 3 is a mixed temporary storage tank for fermentation liquid and CIP tank liquid.
[0022] The CIP tank 2 is a mixed tank for various cleaning agents, and is connected to a cleaning water pipeline 5. The tank is used to add the mixed cleaning agent to the main pipeline of the pre-filter tank.
[0023] The tubular filter membrane 4 is a tubular ultrafiltration membrane, and the model is PL-G-838-P. It is mainly used for filtering macromolecular proteins, heavy metal ions, aldehyde substances, and organic substances.
[0024] The outlet of the tubular filter membrane is returned to the inlet of the pre-filter tank through a circulation pipeline III 13, the CIP tank 2, and a pipeline IV 14. Because the tubular filter membrane is not clean after one-time filtration and concentration, multiple circulation filtrations are required.
[0025] The outlet of the pre-filter tank can be returned to the tubular membrane feed tank 1 and the CIP tank 2 through a pipeline V, so that the cleaning liquid can be recycled and the cost can be reduced. The tubular filter membrane is also provided with a backwashing pipeline 17.
[0026] The device also includes a PLC control device, and the pressure gauge, the flow meter, the metering pump, and the electric control valves are connected to the PLC control device.
[0027] The working process of the utility model is: after the fermentation stock solution is produced in the upstream fermentation tank, the fermentation stock solution enters the pipe membrane feeding tank 1 to store, and the sterilizing agent, cleaning agent, alkali and acid are mixed into the CIP tank 2, the pipe membrane feeding tank 1 and the CIP tank 2 enter the filter front tank 3 at the same time, the filter front tank enters the pipe filter membrane 4 to filter after mixing under stirring, 80% water in the fermentation stock solution is removed after filtering, a large amount of protein, heavy metal ions, aldehyde substances and organic substances are contained in the removed water, the water is discharged through the pipe ultrafiltration membrane wastewater outlet 16, the remaining 20% is the fermentation concentrate, the fermentation concentrate enters the circulating pipeline III backflow through the liquid outlet or flows into the downstream process through the pipeline II.
[0028] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined with each other in any way, and the combinations are not exhaustively described in the specification only for the consideration of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A fermentation broth membrane purification apparatus, characterized by: It comprises a tubular membrane feed tank, a CIP tank, a pre-filtering tank, a tubular membrane filter, the tubular membrane feed tank is connected with a fermentation liquid pipeline at an inlet, and the tubular membrane feed tank is connected to the pre-filtering tank through a water inlet pump; the CIP tank is connected with a sterilizing agent tank, a cleaning agent tank, an alkali tank and an acid tank, and the CIP tank is connected to the pre-filtering tank at an outlet; the pre-filtering tank is connected to an inlet of the tubular membrane filter through a pipeline I, and an outlet of the tubular membrane filter is discharged through a pipeline II.
2. The device for purification of a fermentation broth by membrane according to claim 1, characterized in that A pressure gauge, a flow meter, an electric control valve and a metering pump are arranged in a pipeline before the pre-filtering tank; the pre-filtering tank is a mixed temporary storage tank for fermentation liquid and CIP tank liquid.
3. The device according to claim 1, wherein: The CIP tank is a mixed tank for various cleaning agents, and is connected with a cleaning water pipeline; the tank is used to add the mixed cleaning agent to a main pipeline of the pre-filtering tank.
4. The fermentation liquid-membrane purification apparatus according to claim 1, characterized by: The tubular membrane filter is a tubular ultrafiltration membrane.
5. The fermentation liquid-membrane purification apparatus according to claim 1, characterized by: The outlet of the tubular membrane filter is returned to the inlet of the pre-filtering tank through a circulating pipeline III, the CIP tank and a pipeline IV.
6. The device of claim 1, wherein: The outlet of the pre-filtering tank can be returned to the tubular membrane feed tank and the CIP tank through a pipeline V.
7. The device of claim 2, wherein: The device further comprises a PLC control device, and the pressure gauge, the flow meter, the metering pump and the electric control valves are connected to the PLC control device.