Beer yeast recovery device

The design of the beer yeast recovery device solves the problems of low yeast recovery efficiency and complex operation, achieving efficient yeast recovery and improved beer stability, and promoting resource recycling.

CN224160601UActive Publication Date: 2026-04-24SHENYANG YANJING BEER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENYANG YANJING BEER
Filing Date
2024-11-29
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing methods for yeast recovery in beer production are inefficient, complex to operate, labor-intensive, and costly to equipment, and may affect the flavor and stability of beer.

Method used

Design a brewer's yeast recovery device, including a fermenter, a yeast collection tank, a microporous filter membrane assembly, a yeast recovery pump, and a recovery tank. The device achieves efficient yeast recovery through fermentation, sedimentation, filtration, and transportation processes, and is equipped with a cleaning system to maintain the efficiency of the filter membrane.

Benefits of technology

It achieves a high yeast recovery rate, reduces labor intensity, ensures the stability and taste of beer, extends the service life of filter membranes, and promotes resource recycling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a beer yeast recovery device which consists of a plurality of key parts which cooperate with one another to realize efficient yeast recovery. Firstly, the core part of the device is a fermentation tank which undertakes the main task of beer fermentation, and raw materials are converted into beer through a specific fermentation process; the design and the material of the fermentation tank need to meet specific fermentation conditions so as to ensure the quality and the flavor of the beer. Next, after the fermentation process is completed, the yeast can be effectively separated from the beer by using the microporous filtration membrane assembly, so that the high recovery rate of the yeast is ensured; the microfiltration membrane assembly can remove yeast in the beer and reduce the content of live yeast in the beer, so that the stability and taste of the beer are improved. Due to the design of the yeast recovery device, the whole recovery process is automatic, the manual operation is reduced, and the labor intensity is reduced; accumulation of the yeast in the fermentation tank can be reduced by recovering the yeast in time.
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Description

Technical Field

[0001] This utility model relates to the field of beer production technology, specifically to a beer yeast recovery device. Background Technology

[0002] In beer production, yeast is a key fermentation ingredient, converting the sugar in wort into alcohol and carbon dioxide, giving beer its unique flavor and taste. After fermentation, the yeast needs to be separated from the beer for recycling or disposal. Traditional yeast recovery methods include centrifugation, sedimentation, and filtration. However, these methods have some problems, such as low recovery efficiency, complex operation, high labor intensity, high equipment costs, and potential negative impacts on beer flavor and stability.

[0003] While centrifugation can quickly separate yeast, it is energy-intensive and causes significant damage to yeast cells, affecting yeast recovery and reuse. Sedimentation is simple to operate, but has low separation efficiency, requires a long settling time, and occupies a large area. Traditional filtration methods can separate yeast, but the filtration speed is slow, it is prone to clogging, requires frequent replacement of filter media, and has high maintenance costs. Utility Model Content

[0004] The purpose of this invention is to provide a brewer's yeast recovery device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a beer yeast recovery device, which consists of several key parts that work together to achieve efficient yeast recovery. First, the core part of the device is a fermentation tank, which undertakes the main task of beer fermentation, converting raw materials into beer through a specific fermentation process. The design and materials of the fermentation tank need to meet specific fermentation conditions to ensure the quality and flavor of the beer.

[0006] Following fermentation, the yeast in the beer needs to be effectively separated and collected. For this purpose, a yeast collection tank is installed in the system, connected to the bottom of the fermentation tank. The main function of the yeast collection tank is to collect the yeast cells that have settled in the fermented beer. To ensure efficient yeast collection, the yeast collection tank typically has a certain volume and structural design to facilitate yeast sedimentation and separation.

[0007] To further improve the purity and quality of the yeast, the device is also equipped with a microporous membrane filter assembly. This assembly is carefully positioned at the outlet of the yeast collection tank, and its main function is to filter out residual yeast from the beer, ensuring a higher purity in the filtered beer. The microporous membrane filter assembly is typically made of a high-precision filter membrane, which can effectively trap tiny yeast particles while allowing the beer to pass through smoothly.

[0008] To transport the filtered yeast to the next stage, the device also includes a yeast recovery pump. Connected to the outlet of the microporous membrane module, the yeast recovery pump's primary function is to deliver the filtered yeast solution to the recovery tank. The yeast recovery pump is designed to provide sufficient pressure and flow rate to ensure smooth delivery of the yeast solution while avoiding damage to the yeast cells.

[0009] Finally, a recovery tank is installed in the unit to store and further utilize the recovered yeast. The recovery tank is closely connected to the yeast recovery pump, and its main function is to store the filtered and transported yeast. The design of the recovery tank needs to take into account the yeast storage conditions, such as temperature and oxygen supply, to ensure that the yeast's activity and quality are maintained. In this way, the recovered yeast can be used for subsequent beer production or other related purposes, thereby achieving resource recycling and maximizing economic benefits.

[0010] In addition, the device includes a cleaning system for periodically cleaning the microporous membrane module to ensure filtration efficiency and extend its service life. The cleaning system comprises a cleaning solution tank, a cleaning pump, and several nozzles. The cleaning solution tank is connected to the cleaning pump, which is in turn connected to the nozzles, which are positioned upstream of the microporous membrane module to facilitate effective cleaning of the membrane.

[0011] The microporous filtration membrane module itself consists of a microporous filtration membrane and a support frame. To improve filtration efficiency and processing capacity, the number of microporous filtration membrane modules can be set to several, and these microporous filtration membrane modules can be arranged in parallel. As for the pore size of the microporous filtration membrane, it is designed to be 0.1-1 micrometer, which can effectively filter out yeast in beer while allowing the beer liquid to pass through, thereby achieving the purpose of separation.

[0012] Compared with the prior art, the beneficial effects of this utility model are: by using the microporous filter membrane assembly, yeast can be effectively separated from beer, ensuring a high yeast recovery rate; the microporous filter membrane assembly can remove yeast from beer, reduce the content of live yeast in beer, thereby improving the stability and taste of beer.

[0013] The yeast recovery device is designed to automate the entire recovery process, reducing manual operation and labor intensity. Timely yeast recovery reduces yeast accumulation in the fermenter, preventing corrosion and wear. The cleaning system helps maintain the filtration efficiency of the microporous membrane module, extends its service life, and ensures the hygiene of the filtration process.

[0014] Multiple microporous filter membrane modules are connected in parallel to improve filtration capacity. At the same time, when one filter membrane needs to be cleaned or replaced, the other filter membranes can continue to work, ensuring the continuous operation of the system. The pore size of the microporous filter membrane is 0.1-1 micrometer, which can effectively filter yeast while allowing other small molecules in beer to pass through, ensuring that the flavor and nutrients of the beer are not lost. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a microporous filtration membrane module.

[0017] In the diagram: 1. Fermentation tank; 2. Yeast collection tank; 3. Microporous filter membrane assembly; 4. Yeast recovery pump; 5. Recovery tank; 6. Cleaning system; 3-1. Microporous filter membrane; 3-2. Support frame; 6-1. Cleaning solution storage tank; 6-2. Cleaning pump; 6-3. Nozzle. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-2 This utility model provides a technical solution: a beer yeast recovery device, which consists of several key parts that work together to achieve efficient yeast recovery. First, the core part of the device is a fermentation tank 1, which undertakes the main task of beer fermentation, converting raw materials into beer through a specific fermentation process. The design and materials of the fermentation tank 1 need to meet specific fermentation conditions to ensure the quality and flavor of the beer.

[0020] Following fermentation, the yeast in the beer needs to be effectively separated and collected. For this purpose, a yeast collection tank 2 is installed in the apparatus, connected to the bottom of the fermentation tank 1. The main function of the yeast collection tank 2 is to collect the yeast cells that have settled in the fermented beer. To ensure efficient yeast collection, the yeast collection tank 2 typically has a certain volume and structural design to facilitate yeast sedimentation and separation.

[0021] To further improve the purity and quality of the yeast, the device is also equipped with a microporous filter membrane assembly 3. This assembly is carefully positioned at the outlet of the yeast collection tank 2, and its main function is to filter out residual yeast in the beer, ensuring that the filtered beer achieves a higher purity. The microporous filter membrane assembly 3 is typically composed of a high-precision filter membrane, which can effectively trap tiny yeast particles while allowing the beer to pass through smoothly.

[0022] To transport the filtered yeast to the next stage, the device also includes a yeast recovery pump 4. The yeast recovery pump 4 is connected to the outlet end of the microporous filter membrane assembly 3, and its main function is to transport the filtered yeast solution to the recovery tank. The yeast recovery pump 4 is designed to have sufficient pressure and flow rate to ensure smooth delivery of the yeast solution while avoiding damage to the yeast cells.

[0023] Finally, a recycling tank 5 is installed in the unit for storing and further utilizing the recovered yeast. The recycling tank 5 is closely connected to the yeast recovery pump 4, and its main function is to store the filtered and transported yeast. The design of the recycling tank 5 needs to take into account the yeast storage conditions, such as temperature and oxygen supply, to ensure that the yeast's activity and quality are maintained. In this way, the recovered yeast can be used for subsequent beer production or other related purposes, thereby achieving resource recycling and maximizing economic benefits.

[0024] In addition, the device includes a cleaning system 6 for periodically cleaning the microporous filter membrane assembly 3 to ensure filtration efficiency and extend its service life. The cleaning system 6 includes a cleaning solution tank 6-1, a cleaning pump 6-2, and several nozzles 6-3. The cleaning solution tank 6-1 is connected to the cleaning pump 6-2, which is in turn connected to the nozzles 6-3. The nozzles 6-3 are positioned upstream of the microporous filter membrane assembly to facilitate effective cleaning of the microporous filter membrane.

[0025] The microporous filter membrane assembly 3 itself includes a microporous filter membrane 3-1 and a support frame 3-2. To improve filtration efficiency and processing capacity, the number of microporous filter membrane assemblies 3 can be set to several, and these microporous filter membrane assemblies 3 can be arranged in parallel. As for the pore size of the microporous filter membrane 3-1, it is designed to be 0.1-1 micrometers, which can effectively filter out yeast in beer while allowing the beer liquid to pass through, thereby achieving the purpose of separation.

[0026] Working principle: When this invention is in operation, beer is fermented in fermentation tank 1, where yeast multiplies and helps convert sugar into alcohol and carbon dioxide; after fermentation is completed, the yeast settles to the bottom of fermentation tank 1 and is collected by yeast collection tank 2 connected to it.

[0027] A microporous filter membrane assembly 3 is installed at the outlet of the yeast collection tank 2 to filter out the yeast from the beer. The beer passes through the microporous filter membrane 3-1, while the yeast, due to its larger size, is blocked on one side of the membrane, thus achieving separation. The filtered beer, containing a small amount of yeast or no yeast, can continue to be used in the production process, while the collected yeast is transported to the recovery tank 5 for storage via the yeast recovery pump 4.

[0028] To maintain the filtration efficiency of the microporous membrane module 3, it is cleaned periodically using the cleaning system 6. The cleaning solution is stored in a tank 6-1, and a cleaning pump 6-2 delivers the cleaning solution to a nozzle 6-3 located upstream of the microporous membrane module 3. The nozzle 6-3 removes blockages and residual yeast from the membrane by spraying the cleaning solution. The microporous membrane module 3 consists of a microporous membrane 3-1 and a support frame 3-2. Several such modules can be connected in parallel to improve filtration efficiency and processing capacity.

[0029] The microporous filter membrane 3-1 has a pore size of 0.1-1 micrometers. This pore size range can effectively separate yeast cells while allowing other small molecules in beer to pass through.

[0030] In summary, this device achieves the recovery and reuse of yeast in fermented beer through a series of physical filtration and conveying processes, while ensuring the quality of the beer.

[0031] In the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0032] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0033] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A brewer's yeast recovery device, characterized in that, include: Fermentation tank (1), used for the beer fermentation process; A yeast collection tank (2) is connected to the bottom of the fermentation tank (1) and is used to collect the fermented yeast. A microporous filter membrane assembly (3) is disposed at the outlet of the yeast collection tank (2) for filtering yeast in beer; A yeast recovery pump (4) is connected to the outlet end of the microporous filter membrane assembly (3) and is used to transport the filtered yeast to the recovery tank. The recycling tank (5), connected to the yeast recycling pump (4), is used to store the recycled yeast.

2. The brewer's yeast recovery device according to claim 1, characterized in that: It also includes a cleaning system (6) for periodically cleaning the microporous filter membrane assembly (3).

3. The brewer's yeast recovery device according to claim 2, characterized in that: The cleaning system (6) includes a cleaning fluid storage tank (6-1), a cleaning pump (6-2), and several nozzles (6-3). The cleaning fluid storage tank (6-1) is connected to the cleaning pump (6-2), and the cleaning pump (6-2) is connected to the nozzles (6-3). The nozzles (6-3) are located upstream of the microporous filter membrane assembly.

4. The brewer's yeast recovery device according to claim 1, characterized in that: The microporous filter membrane assembly (3) includes a microporous filter membrane (3-1) and a support frame (3-2). There are several microporous filter membrane assemblies (3), and several microporous filter membrane assemblies (3) are arranged in parallel.

5. The brewer's yeast recovery device according to claim 4, characterized in that: The pore size of the microporous filter membrane (3-1) is 0.1-1 micrometers.