Oxygenation device and method for wort and saccharification automatic control system of wort

Abstract

The invention relates to the technical field of beer production, in particular to a wort oxygenating device, a wort oxygenating method, a saccharification automatic control system of the wort oxygenating device, a yeast strain liquid adding unit, a cold wort entering unit and a fermentation oxygenating unit. And the yeast strain liquid adding unit is communicated with the cold wort entering unit. The fermentation oxygenation unit is communicated with the cold wort inlet unit, and the fermentation oxygenation unit comprises an oxygen communicating pipeline, an oxygen adjusting mechanism and a detection mechanism. The detection mechanism can detect the flow speed of the wort and send a signal to the oxygen adjusting mechanism, and the oxygen adjusting mechanism can receive the signal of the detection mechanism and conduct oxygenation according to the flow speed of the wort of different boiler times. A wort oxygenating and yeast adding automatic control method is integrated into a saccharification automatic control system, so that a complete saccharification automatic control system is formed, and the wort oxygenating and yeast adding section can be automatically controlled. Oxygen filling and yeast adding amount are automatically adjusted in real time according to the wort tank entering flow speed, and it is ensured that the flavor index of the product is stable and meets the enterprise standard.

Description

Technical Field

[0001] The invention relates to the technical field of beer production, and in particular to a wort oxygenation device, method and saccharification automatic control system. Background Art

[0002] Oxygenation of wort is one of the essential processes in beer brewing. Oxygenation can activate yeast quickly, and yeast uses oxygen for aerobic respiration and rapidly increases in value. When the oxygen increases to a certain amount, yeast begins to ferment anaerobicly, decomposing fermentable sugars in wort into alcohol and carbon dioxide, and synthesizing various flavor substances such as higher alcohols and esters.

[0003] In large-scale production, the fermentation tank is generally composed of more than 4 pots of wort. The wort oxygenation process has a great influence on the aerobic growth of yeast and the flavor composition of the fermentation liquid, especially the content of higher alcohols. At present, in the process of beer production, the wort oxygenation and yeast addition process only use semi-automatic wort oxygenation and yeast addition machine equipment. The production process of the semi-automatic wort oxygenation and yeast addition device is manually operated, resulting in low control accuracy of wort oxygenation and yeast addition, and cannot guarantee the accurate addition and uniformity of wort dissolved oxygen and yeast amount, which leads to inconsistent yeast reproduction speed and fermentation speed of beer fermentation, and ultimately the taste quality and consistency of beer cannot meet the current high standards. Summary of the invention

[0004] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a wort oxygenation device, method and saccharification automatic control system, which solves the technical problem that the production process of the existing semi-automatic wort oxygenation and yeast addition device adopts manual operation, resulting in low control precision of wort oxygenation and yeast addition, and cannot ensure accurate addition and uniformity of wort dissolved oxygen and yeast amount, thereby resulting in inconsistent yeast reproduction speed and fermentation speed of beer fermentation, and ultimately causing the taste quality and consistency of beer to fail to meet the current high standards.

[0005] In order to achieve the above object, the main technical solutions adopted by the present invention include: In one aspect, a wort oxygenation device comprises a yeast seed liquid addition unit, a cold wort entry unit and a fermentation oxygenation unit; The yeast seed liquid adding unit is connected to the cold wort entering unit, and the yeast seed liquid adding unit can control the adding amount of different yeast generations according to the cold wort of different pots; The fermentation oxygenation unit is connected with the cold wort entry unit, and the fermentation oxygenation unit includes an oxygen connecting pipeline, an oxygen regulating mechanism and a detection mechanism; the oxygen regulating mechanism is arranged at the air inlet end of the oxygen connecting pipeline, and the air outlet end of the oxygen connecting pipeline is connected with the cold wort entry unit, and the detection mechanism is located on the pipeline of the cold wort entry unit, and the detection mechanism can detect the flow rate of the wort and send a signal to the oxygen regulating mechanism, and the oxygen regulating mechanism can receive the signal of the detection mechanism and perform oxygenation according to the flow rate of the wort of different pots.

[0006] Optionally, the yeast seed solution adding unit comprises a seed solution fermentation tank, a yeast adding pipeline, a yeast mass flow meter and an online yeast counter; The seed liquid fermentation tank is arranged at the inlet of the yeast addition pipeline, the outlet of the yeast addition pipeline is connected to the cold wort entry unit, the yeast mass flow meter and the online yeast counter are arranged between the outlet of the yeast addition pipeline and the cold wort entry unit, the yeast mass flow meter is used to detect the amount of yeast added, and the online yeast counter can detect the seed liquid quantity standards of different yeast generations.

[0007] Optionally, the cold wort inlet unit comprises a wort addition pipeline and an oxygenation mixer, and the oxygenation mixer is located on the wort addition pipeline; The outlet of the yeast adding pipeline is located at the front end of the inlet of the oxygenating mixer, and the oxygenating mixer is connected to the gas outlet end of the oxygen connecting pipeline.

[0008] Optionally, the detection mechanism is a pipeline electromagnetic flowmeter.

[0009] Optionally, the oxygen regulating mechanism includes an oxygenation regulating valve and an oxygenation mass flow meter.

[0010] In a second aspect, an embodiment of the present invention provides a method for oxygenating wort, the method comprising the following steps: S1. Yeast preparation: Collect yeast seed solutions of different generations and put them into different seed solution fermentation tanks respectively, and use an online yeast counter to detect the quantity standards of seed solutions of different yeast generations; S2, adding yeast: After the cold wort enters the fermentation tank pipeline through the wort adding pipeline, the yeast is introduced from the seed liquid fermentation tank in S1 into the wort adding pipeline; Before the wort addition pipeline is introduced, a yeast counting assembly is respectively arranged at the outlet of each of the seed liquid fermentation tanks to control the addition amount of different yeast generations as fermentation yeast; S3, yeast mixing: mixing the fermented yeast with the cold wort to obtain a wort mixture; S4, flow rate detection: detect the flow rate of the wort mixture in S3, which serves as the basis for subsequent oxygenation; S5, fermentation oxygenation: according to the wort flow rate in S4, an oxygen regulating mechanism is used to adjust the oxygenation amount of wort from different batches, and the oxygen is mixed with the wort mixture.

[0011] In a third aspect, a saccharification automatic control system is provided, wherein the saccharification automatic control system is based on the wort oxygenation method; The saccharification automatic control system includes a saccharification control substation, a yeast addition control substation, an oxygenation control substation and a management database; The saccharification control substation, the oxygenation control substation and the yeast addition control substation are all connected to the management database for communication; The yeast addition control substation is communicatively connected with the yeast counting component; The oxygenation control substation is communicatively connected with the oxygen regulation mechanism to store various data parameters of saccharification, yeast addition and oxygenation processes into the database, providing standard industrial Ethernet communication.

[0012] Optionally, a host computer is further included, and the host computer has a storage module. The management database can be stored in the storage module to form a curve storage image and saved on the host computer.

[0013] Optionally, the management database includes a MES system, an energy metering management system and an equipment management system.

[0014] The beneficial effects of the present invention are as follows: the wort oxygenation device, method and saccharification automatic control system of the present invention are upgraded and transformed by the yeast addition method, that is, a yeast counting component is added to control the addition amount of different yeast generations, and at the same time, according to the wort flow rate, an oxygen regulating mechanism is used to adjust the oxygenation amount of wort in different pots to ensure the high precision of the wort oxygenation flow in each pot. Moreover, in the saccharification automatic control system, the original saccharification automatic control system on-site substation cabinet nearby is used, and a PLC template and electrical components are added to the atom station to incorporate the wort oxygenation and yeast addition automatic control method into the saccharification automatic control system to form a complete saccharification automatic control system. The above-mentioned wort oxygenation and yeast addition automatic control device program is rewritten according to the wort oxygenation and yeast addition process to realize the automatic control of wort oxygenation and yeast addition. The oxygenation and yeast addition amount are automatically adjusted in real time according to the wort inlet tank flow rate to ensure that the product flavor index is stable and meets the enterprise standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure is a schematic diagram of the steps of the wort oxygenation method of the present invention; Figure 2 It is a structural schematic diagram of the wort oxygenation device of the present invention; Figure 3 It is a schematic diagram of the structure of the oxygenation mixer of the present invention.

[0016] Description of Reference Numerals 1. Yeast seed liquid addition unit; 11. Seed liquid fermentation tank; 12. Yeast addition pipeline; 13. Yeast mass flowmeter; 14. Online yeast counter; 2. Cold wort entry unit; 21. Wort addition pipeline; 22. Oxygenation mixer; 221. First conical connection part; 222. Tubular part; 223. Second conical connection part; 224. Oxygen connection port; 23. First joint; 24. Second joint; 3. Fermentation oxygenation unit; 31. Oxygen connecting pipeline; 32. Oxygen regulating mechanism; 321. Oxygenation regulating valve; 322. Oxygenation mass flowmeter; 33. Detection mechanism; 4. Sewage pipeline; 5. Pipeline pressure valve. DETAILED DESCRIPTION

[0017] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0018] See also Figures 1 to 3 As shown, a wort oxygenation device includes a yeast seed liquid addition unit 1, a cold wort entry unit 2 and a fermentation oxygenation unit 3. The yeast seed liquid addition unit 1 is connected to the cold wort entry unit 2, and the yeast seed liquid addition unit 1 can control the addition amount of different yeast generations according to the cold wort of different pots. The fermentation oxygenation unit 3 is connected to the cold wort entry unit 2, and the fermentation oxygenation unit 3 includes an oxygen connecting pipeline 31, an oxygen regulating mechanism 32 and a detection mechanism 33. The oxygen regulating mechanism 32 is arranged at the air inlet end of the oxygen connecting pipeline 31, and the air outlet end of the oxygen connecting pipeline 31 is connected to the cold wort entry unit 2. The detection mechanism 33 is located on the pipeline of the cold wort entry unit 2, and the detection mechanism 33 can detect the flow rate of the wort and send a signal to the oxygen regulating mechanism 32. The oxygen regulating mechanism 32 can receive the signal of the detection mechanism 33 and perform oxygenation according to the flow rate of the wort of different pots.

[0019] In this embodiment, the yeast seed liquid adding unit 1 can be controlled to selectively control the addition of yeast of different generations to correspond to different pots. Moreover, during the yeast adding process, the addition amount of yeast of different generations can be controlled according to the cold wort of different pots, so as to accurately ferment and use the yeast and maximize the utilization of the yeast.

[0020] Furthermore, the yeast seed liquid addition unit 1 includes a seed liquid fermentation tank 11, a yeast addition pipeline 12, a yeast mass flowmeter 13 and an online yeast counter 14. The seed liquid fermentation tank 11 is arranged at the inlet of the yeast addition pipeline 12, and the outlet of the yeast addition pipeline 12 is connected to the cold wort entry unit 2. The yeast mass flowmeter 13 and the online yeast counter 14 are arranged between the outlet of the yeast addition pipeline 12 and the cold wort entry unit 2. The yeast mass flowmeter 13 is used to detect the amount of yeast added, and the online yeast counter 14 can detect the quantity standards of seed liquids of different yeast generations. Further, the yeast mass flowmeter 13 and the online yeast counter 14 form a yeast counting component. Yeast seed liquids of different generations (specifically 0-4 generations) are collected, and the online yeast counter 14 is used to detect the quantity standards of seed liquids of different yeast generations, and the optical probe data is calibrated; the laboratory offline yeast counter is used to compare with the online yeast counter 14 to ensure that the online yeast counter 14 counts accurately. This makes the yeast addition more accurate and the fermentation effect better. Furthermore, a laboratory offline yeast counter is used to compare with the online yeast counter 14. The online yeast counter 14 can be calibrated in real time.

[0021] Further, the cold wort entry unit 2 includes a wort addition pipeline 21 and an oxygenation mixer 22, and the oxygenation mixer 22 is located on the wort addition pipeline 21. The outlet of the yeast addition pipeline 12 is located at the front end of the inlet of the oxygenation mixer 22, and the oxygenation mixer 22 is connected to the gas outlet end of the oxygen connection pipeline 31. Specifically, the oxygenation mixer 22 includes a first joint 23 and a second joint 24 connected to the wort addition pipeline, and an oxygenation mixer body detachably connected to the first joint 23 and the second joint 24, respectively. The oxygenation mixer body includes an annular connection portion connected to the wort inlet end, a first conical connection portion 221 connected to the wort outlet end, a tubular portion 222, and a second conical connection portion 223. An oxygen connection port 224 is provided on the oxygenation mixer body, and the oxygen connection port 224 can be connected to the oxygen connection pipeline 31. In addition, in order to ensure the cleaning of the oxygenation mixer 22, in this embodiment, the oxygenation mixer body is detachably connected to the first joint 23 and the second joint 24, and a truncated cone-shaped annular pad is integrally formed on one side of the first conical connection part 221. Accordingly, an annular chamber abutting against the truncated cone-shaped annular pad is provided inside the first joint 23. At the same time, the large opening of the first conical connection part 221 is connected to the first joint 23, and the small opening of the first conical connection part 221 is connected to one end of the tubular part 222. The large opening of the second conical connection part 223 is connected to the second joint 24, and the small opening of the second conical connection part 223 is connected to the other end of the tubular part 222. The structural setting of the oxygenation mixer body enables the gas to be quickly and fully dissolved in the wort in the inner cavity of the oxygenation mixer body. In addition, a pipeline pressure valve 5 is provided downstream of the oxygenation mixer 22 of the wort addition pipeline 21 to control the pressure in the wort addition pipeline 21 to cooperate with subsequent cleaning. Moreover, the sealing effect of the entire pipeline can be ensured while ensuring the convenience of installation and removal of the oxygenation mixer 22. It should also be noted that the left side of the second joint 24 abuts against the right side of the second conical connecting portion 223 and is connected by bolts. The abutment of the inclined surfaces can reasonably ensure the sealing effect.

[0022] It should also be noted that a sewage discharge pipeline 4 after steam sterilization is provided between the oxygen connecting pipeline 31 and the oxygenation mixer 22 .

[0023] Furthermore, the detection mechanism 33 is a pipeline electromagnetic flowmeter. The use of a pipeline electromagnetic flowmeter can make the detection mechanism 33 unaffected by the temperature, pressure, density or viscosity of the liquid, thereby ensuring the detection accuracy.

[0024] Furthermore, the oxygen regulating mechanism 32 includes an oxygenation regulating valve 321 and an oxygenation mass flowmeter 322. In this embodiment, the wort flow rate information detected by the detection mechanism 33 is used as control information for controlling the size of the oxygenation regulating valve 321, so that the size of the oxygenation amount can be adjusted and the size of the oxygenation amount can be adaptively adjusted according to the wort flow rate.

[0025] See also Figure 1 As shown, an oxygenation method for wort proposed in an embodiment of the present invention is based on an oxygenation device and mainly comprises the following steps: S1. Yeast preparation: Yeast seed solutions of different generations are collected and placed in different seed solution fermentation tanks 11 , and the quantity standards of seed solutions of different yeast generations are detected by using an online yeast counter 14 .

[0026] S2, adding yeast: after the cold wort enters the fermentation tank pipeline through the wort adding pipeline 21, the yeast is introduced into the wort adding pipeline 21 from the seed liquid fermentation tank 11 in S1.

[0027] Before the wort addition pipeline 21 is introduced, a yeast counting assembly is provided at the outlet of each seed liquid fermentation tank 11 to control the addition amount of different yeast generations as fermentation yeast.

[0028] S3. Yeast mixing: mixing the fermented yeast with the cold wort to obtain a wort mixture.

[0029] S4, flow rate detection: detect the flow rate of the wort mixture in S3, which serves as the basis for subsequent oxygenation.

[0030] S5, fermentation oxygenation: according to the wort flow rate in S4, the oxygen regulating mechanism 32 is used to adjust the oxygenation amount of wort from different batches and mix it with the wort mixture.

[0031] In this embodiment, the yeast addition method is upgraded and modified, that is, a yeast counting component is added to control the addition amount of different yeast generations, and at the same time, the oxygen regulating mechanism 32 is used to adjust the oxygenation amount of wort in different pots according to the wort flow rate, so as to ensure the high precision of the wort oxygenation flow in each pot. Moreover, in the saccharification automatic control system, the original saccharification automatic control system on-site substation cabinet nearby is used, and the PLC template and electrical components are added to the atom station, and the wort oxygenation and yeast addition automatic control method are incorporated into the saccharification automatic control system to form a complete saccharification automatic control system. The above-mentioned wort oxygenation and yeast addition automatic control device program is rewritten according to the wort oxygenation and yeast addition process to realize the automatic control of wort oxygenation and yeast addition. The oxygenation and yeast addition amount are automatically adjusted according to the wort inlet tank flow rate in real time to ensure that the product flavor index is stable and meets the enterprise standards.

[0032] Furthermore, in S4, the flow rate of the wort mixture is automatically detected by taking data through a pipeline electromagnetic flowmeter.

[0033] Furthermore, the oxygen regulating mechanism 32 includes an oxygenation regulating valve 321 and an oxygenation mass flow meter 322 .

[0034] Furthermore, the wort mixture in S5 is mixed in the oxygenation mixer 22 .

[0035] The cold wort is pumped into the fermentation tank pipeline through the saccharification wort pipeline, and the formula control program for the wort oxygenation amount and the yeast addition amount is compiled. After the wort enters the fermentation tank, the yeast is introduced from the seed liquid fermentation tank 11 into the wort addition pipeline 21. The yeast mass flow meter 13 and the yeast counter are used to set the addition amount of different yeast generations through the formula to achieve automatic addition. After the cold wort and the yeast are mixed, the fermentation oxygenation automatic control device automatically detects the wort flow rate through the pipeline electromagnetic flowmeter, and uses the Samson oxygenation high-precision regulating valve and the oxygenation mass flowmeter 322 to automatically adjust the oxygenation amount of the wort of different pots. The oxygenation measurement accuracy reaches ±0.1g. This accuracy is the valve control accuracy, and finally the wort oxygenation and yeast addition are accurate.

[0036] A saccharification automatic control system, the saccharification automatic control system is based on the oxygenation method of wort; The saccharification automatic control system includes a saccharification control substation, a yeast addition control substation, an oxygenation control substation and a management database. The saccharification control substation, the oxygenation control substation and the yeast addition control substation are all connected to the management database. The yeast addition control substation is connected to the yeast counting component. The oxygenation control substation is connected to the oxygen regulating mechanism 32 to store various data parameters of the saccharification, yeast addition and oxygenation processes in this database, providing standard industrial Ethernet communication. Furthermore, the management database includes an MES system, an energy metering management system and an equipment management system. In this embodiment, the saccharification control system can achieve the purpose of improving the stability of beer fermentation quality without manual adjustment, realizing the automatic control of yeast emissions in the beer fermentation process, improving the stability of beer fermentation quality, and reducing manual labor.

[0037] In this embodiment, the upgraded wort oxygenation and yeast addition automatic control device can upload data to the saccharification host computer, and the saccharification automatic control system establishes a database to store various data of the whole saccharification process in this database, and provides standard industrial Ethernet communication. Various management systems such as MES system, energy metering management system, equipment management system, etc. can communicate with the saccharification automatic control system. Various management systems such as MES system, energy metering management system, equipment management system, etc. can read the required data from this database in real time, and upload the data required by various management systems such as MES system, energy metering management system, equipment management system, etc. to various management systems such as MES system, energy metering management system, equipment management system, etc.; The upgraded wort oxygenation control system, yeast addition automatic control device and saccharification automatic control system can all match the online wort flow rate, and automatically adjust the oxygenation and yeast addition amount according to the wort inflow tank flow rate in real time, ensuring that the product flavor index is stable and meets corporate standards.

[0038] Furthermore, it also includes a host computer, the host computer has a storage module, the management database can be stored in the storage module to form a curve storage picture and saved on the host computer. The curve is stored on the host computer of the saccharification automatic control system for at least 1 year. Through the curve query, data traceability can be achieved.

[0039] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0042] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0043] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may alter, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A wort oxygenation device, characterized in that: It comprises a yeast seed liquid adding unit (1), a cold wort entering unit (2) and a fermentation oxygenating unit (3); The yeast seed liquid adding unit (1) is connected to the cold wort entering unit (2), and the yeast seed liquid adding unit (1) can control the addition amount of different yeast generations according to the cold wort of different batches; The fermentation oxygenation unit (3) is connected to the cold wort inlet unit (2), and the fermentation oxygenation unit (3) comprises an oxygen connecting pipeline (31), an oxygen regulating mechanism (32) and a detection mechanism (33); the oxygen regulating mechanism (32) is arranged at the air inlet end of the oxygen connecting pipeline (31), and the air outlet end of the oxygen connecting pipeline (31) is connected to the cold wort inlet unit (2); the detection mechanism (33) is located on the pipeline of the cold wort inlet unit (2); the detection mechanism (33) can detect the flow rate of wort and send a signal to the oxygen regulating mechanism (32); the oxygen regulating mechanism (32) can receive the signal of the detection mechanism (33) and perform oxygenation according to the flow rate of wort of different batches.

2. The wort oxygenation device according to claim 1, characterized in that: The yeast seed liquid addition unit (1) comprises a seed liquid fermentation tank (11), a yeast addition pipeline (12), a yeast mass flow meter (13) and an online yeast counter (14); The seed liquid fermentation tank (11) is arranged at the inlet of the yeast addition pipeline (12), and the outlet of the yeast addition pipeline (12) is connected to the cold wort entry unit (2). The yeast mass flow meter (13) and the online yeast counter (14) are arranged between the outlet of the yeast addition pipeline (12) and the cold wort entry unit (2). The yeast mass flow meter (13) is used to detect the amount of yeast added, and the online yeast counter (14) can detect the seed liquid amount standards of different yeast generations.

3. The wort oxygenation device according to claim 2, characterized in that: The cold wort inlet unit (2) comprises a wort addition pipeline (21) and an oxygenation mixer (22), wherein the oxygenation mixer (22) is located on the wort addition pipeline (21); The outlet of the yeast addition pipeline (12) is located at the front end of the inlet of the oxygenation mixer (22), and the oxygenation mixer (22) is connected to the gas outlet end of the oxygen communication pipeline (31).

4. The wort oxygenation device according to claim 1, characterized in that: The detection mechanism (33) is a pipeline electromagnetic flowmeter.

5. The wort oxygenation device according to claim 3, characterized in that: The oxygen regulating mechanism (32) comprises an oxygenation regulating valve (321) and an oxygenation mass flow meter (322).

6. A method for oxygenating wort, characterized in that: The method is based on the oxygenation device according to any one of claims 1 to 5, and mainly comprises the following steps: S1. Yeast preparation: collecting yeast seed solutions of different generations and placing them in different seed solution fermentation tanks (11), and using an online yeast counter (14) to detect the quantity standards of yeast seed solutions of different generations; S2, adding yeast: after the cold wort enters the wort adding pipeline (21), the yeast is introduced from the seed liquid fermentation tank (11) in S1 into the wort adding pipeline (21); Before the wort addition pipeline (21) is introduced, a yeast counting component is respectively arranged at the outlet of each of the seed liquid fermentation tanks (11) to control the addition amount of different yeast generations as fermentation yeast; S3, yeast mixing: mixing the fermented yeast with the cold wort to obtain a wort mixture; S4, flow rate detection: the flow rate of the wort mixture in S3 is detected by the detection mechanism (33), and the flow rate is used as the basis for subsequent oxygenation; S5, fermentation oxygenation: according to the wort flow rate in S4, the oxygen regulating mechanism (32) is used to adjust the oxygenation amount of wort from different batches, and mix them with the wort mixture.

7. A saccharification automatic control system, characterized in that: The automatic saccharification control system is based on the wort oxygenation method according to claim 6; The saccharification automatic control system includes a saccharification control substation, a yeast addition control substation, an oxygenation control substation and a management database; The saccharification control substation, the oxygenation control substation and the yeast addition control substation are all connected to the management database for communication; The yeast addition control substation is communicatively connected with the yeast counting component; The oxygenation control substation is communicatively connected to the oxygen regulation mechanism (32) to store various data parameters of the saccharification, yeast addition and oxygenation processes in the database, providing standard industrial Ethernet communication.

8. The saccharification automatic control system according to claim 7, characterized in that: It also includes a host computer, which has a storage module. The management database can be stored in the storage module to form a curve storage picture and save it on the host computer.

9. The saccharification automatic control system according to claim 7, characterized in that: The management database includes an MES system, an energy metering management system and an equipment management system.

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