A bacterial strain fermentation system and process

Abstract

The present invention discloses a strain fermentation system and process, including a fermentation barrel, a pre-dilution barrel, a water supply system, a control system and a flash evaporation device. Among them, a stirring device is arranged in the fermentation barrel; the pre-dilution barrel is connected to the feed port of the fermentation barrel through a first liquid supply pipeline; the water supply system includes a first water supply system and a second water supply system; the control system includes a first controller and a first temperature sensor, the first temperature sensor is used to sense the temperature of the first liquid supply pipeline, the output end of the first temperature sensor is electrically connected to the input end of the first controller, and the output end of the first controller is electrically connected to the first heating device; the gas supply system includes a high-temperature and high-pressure steam pipeline and a gas supply valve arranged on the high-temperature and high-pressure steam pipeline; one end of the second liquid supply pipeline is connected to the discharge port of the fermentation barrel, and the other end of the second liquid supply pipeline is connected to the high-temperature and high-pressure steam pipeline. Compared with the prior art, the present invention has the characteristics of good sterilization effect, good fermentation effect and simple structure.

Description

Technical Field

[0001] The invention relates to the technical field of liquid fermentation, and in particular to a bacterial fermentation system and process. Background Art

[0002] In the breeding industry, fermentation liquid is usually added during the feed preparation process. Metabolites such as organic acids in the fermentation liquid can promote the digestion and absorption of feed by animals, which is beneficial to the health of animals. However, in the process of preparing the fermentation liquid, the existing fermentation device often cannot completely sterilize the fermentation liquid, so that there are a large number of live bacteria in the fermentation liquid, and the nutrients in the live bacteria cannot be effectively absorbed by the animals. In addition, the construction cost of the existing fermentation device is relatively high and the energy consumption is relatively large. Therefore, how to provide a strain fermentation system and process with good sterilization effect, good fermentation effect and simple structure is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0003] The purpose of the present invention is to provide a bacterial strain fermentation system and process, aiming to solve the technical problems of complex structure, poor fermentation effect and poor sterilization effect of existing fermentation devices.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention discloses a bacterial strain fermentation system, comprising:

[0006] A fermentation barrel, wherein a stirring device is arranged in the fermentation barrel;

[0007] A pre-dilution barrel, the pre-dilution barrel is connected to the feed port of the fermentation barrel through a first liquid supply pipe, a first liquid supply valve is arranged at one end of the first liquid supply pipe close to the fermentation barrel, a first water pump is arranged on the first liquid supply pipe, and a first filter is fixedly arranged at the inlet of the first water pump;

[0008] A water supply system, the water supply system comprising a first water supply system and a second water supply system, the first water supply system comprising a first water supply pipe connected to a water source and a first water supply valve arranged at a water outlet of the first water supply pipe, the first water supply valve being used to control the amount of water flowing into the pre-dilution barrel, the second water supply system comprising a second water supply pipe, a first heating device and a second water supply valve arranged on the second water supply pipe, one end of the second water supply pipe being connected to the water source, the other end of the second water supply pipe being connected to the first liquid supply pipe and being located between the first liquid supply valve and the fermentation barrel;

[0009] A control system, the control system comprising a first controller and a first temperature sensor, the first temperature sensor being used to sense the temperature of the first liquid supply pipeline, the output end of the first temperature sensor being electrically connected to the input end of the first controller, and the output end of the first controller being electrically connected to the first heating device;

[0010] An air supply system, the air supply system comprising a high-temperature and high-pressure steam pipeline and an air supply valve arranged on the high-temperature and high-pressure steam pipeline, one end of the high-temperature and high-pressure steam pipeline is connected to a high-temperature and high-pressure steam source;

[0011] a second liquid supply pipeline, one end of which is connected to the discharge port of the fermentation barrel, and the other end of which is connected to the high-temperature and high-pressure steam pipeline, and a second water pump and an atomizing nozzle are sequentially arranged in the direction from the second liquid supply pipeline to the high-temperature and high-pressure steam pipeline;

[0012] A flash evaporation device, the other end of the high-temperature and high-pressure steam pipeline is connected to the flash evaporation device.

[0013] Preferably, it further comprises a liquid storage tank and a second liquid supply valve, and the second liquid supply valve and the liquid storage tank are sequentially arranged in the direction from the second liquid supply pipeline to the second water pump.

[0014] Preferably, there are three fermentation barrels, the first liquid supply pipeline is respectively connected to the feed ports of the three fermentation barrels, the second liquid supply pipeline is respectively connected to the discharge ports of the three fermentation barrels, and valves for allowing or preventing liquid flow are respectively provided at the feed port and discharge port of each fermentation barrel.

[0015] Preferably, it further comprises a second filter screen, which is fixedly arranged at the feed inlet of the fermentation barrel.

[0016] Preferably, a third filter screen is further included, and the third filter screen is fixedly arranged at the discharge port of the fermentation barrel.

[0017] Preferably, it also includes a liquid level control valve and a second heating device, and the control system also includes a second controller and a second temperature sensor. The liquid level control valve is fixedly arranged in the liquid storage tank, the second heating device is used to heat the liquid in the liquid storage tank, and the second temperature sensor is used to sense the temperature of the liquid storage tank. The output end of the second temperature sensor is electrically connected to the input end of the second controller, and the output end of the second controller is electrically connected to the second heating device.

[0018] Preferably, the capacity of the fermentation tank is 2t.

[0019] Preferably, the first filter screen, the second filter screen and the third filter screen are all 80 meshes.

[0020] The present invention also discloses a bacterial fermentation process, comprising the following steps:

[0021] S1. Check for abnormalities: Check whether the second water supply valve, the first liquid supply valve, the second liquid supply valve, and the valves at the feed inlet and the discharge port of the fermentation barrel are closed, and check whether there are large particles and odors in the fermentation barrel and the pre-dilution barrel;

[0022] S2. Soaking brown sugar: Put brown sugar into the pre-dilution bucket one day in advance, open the first water supply valve, and seal the pre-dilution bucket after the pre-dilution bucket is filled with water;

[0023] S3, adding raw materials: open the second water supply valve, the first liquid supply valve and the valve at the feed inlet of the fermentation barrel, open the first pump, pump half of the brown sugar water in the pre-dilution barrel, and then slowly add the strain, whey powder, and milk powder. Adjust the water flow rate of the second water supply pipeline through the second water supply valve to keep it consistent with the pumping speed of the first pump. Keep the water temperature entering the fermentation barrel at about 30°C through the control system. After the fermentation barrel is filled, close the second water supply valve, the first liquid supply valve, the valve at the feed inlet of the fermentation barrel and the first pump;

[0024] S4, stirring evenly: using a stirring device to stir the liquid in the fermentation barrel evenly to ensure that the liquid does not stratify, and putting the hawthorn powder and astragalus powder packaged in an 80-mesh nylon mesh bag into the fermentation barrel for soaking;

[0025] S5, preparation is completed: the fermentation barrel is sealed;

[0026] S6. Sampling inspection: After the third day of fermentation, take samples to check the pH value. The pH value is required to be below 4.0, and the wine aroma and sourness can be clearly smelled. The fermentation liquid can be used only after there is no agglomeration.

[0027] S7, temporary storage: open the valve at the discharge port of the fermentation barrel and the second liquid supply valve to allow the fermentation liquid in the fermentation barrel to flow into the liquid storage tank, control the amount of the fermentation liquid in the liquid storage tank through the liquid level control valve, and keep the temperature in the liquid storage tank at 80-90° C. through the control system;

[0028] S8. Use process: open the air supply valve, the second water pump and the atomizing nozzle, and the high-temperature and high-pressure steam of 175°C and 4kpa contacts the atomized fermentation liquid and sterilizes it at high temperature. The high-temperature and high-pressure steam and the fermentation liquid enter the flash evaporation device together, and the liquid fermentation liquid is converted into a vapor state by the flash evaporation device and then passed into the conditioner to be mixed with the creep feed to prepare the feed. 40-50kg of fermentation liquid is added to each ton of creep feed. The pre-dilution barrel, fermentation barrel and liquid storage tank need to be cleaned after each use;

[0029] S9. Keep samples for observation: Keep samples from each batch of finished products to observe whether there are any abnormalities in smell and color.

[0030] Compared with the prior art, the present invention has achieved the following technical effects:

[0031] In the strain fermentation system and process provided by the present invention, the first filter can effectively prevent materials with larger particle sizes from entering the fermentation barrel to avoid affecting the fermentation effect. The first controller receives the temperature value measured by the first temperature sensor, and compares it with the set value of the first controller. When the temperature of the first liquid supply pipeline is lower than 15°C, the first heating device is turned on and heats the second water supply pipeline, so that the mixed solution flowing into the fermentation barrel can be kept at a higher temperature to improve the fermentation effect. The atomizing nozzle can atomize the fermentation liquid, which is convenient for high-temperature and high-pressure steam to sterilize the fermentation liquid at high temperature. The preparation of animal feed or creep feed is mostly carried out in a conditioner, and fermentation liquid is added thereto. Since animals cannot effectively absorb the nutrients contained in the live bacteria, the fermentation liquid can be heated at high temperature by high-temperature and high-pressure steam, so that the live bacterial cells in the fermentation liquid are denatured, which has a good sterilization effect. After the live bacteria lose their activity, the nutrients in the cells will be released, which is convenient for the animal to absorb effectively, improves the quality of the feed, and is beneficial to the health of the animals. The fermentation liquid after atomization is in liquid state, and the liquid fermentation liquid is converted into vapor state through a flash evaporation device, so as to facilitate the fermentation liquid to be fully mixed with the feed in the conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 This is a schematic diagram of the structure of the bacterial fermentation system of this embodiment;

[0034] Among them: 1-fermentation barrel; 2-pre-dilution barrel; 3-first liquid supply pipeline; 4-first liquid supply valve; 5-first water pump; 6-first water supply pipeline; 7-first water supply valve; 8-second water supply pipeline; 9-first heating device; 10-second water supply valve; 11-first controller; 12-first temperature sensor; 13-flash evaporation device; 14-second liquid supply pipeline; 15-second water pump; 16-atomizing nozzle; 17-liquid storage tank; 18-second liquid supply valve; 19-liquid level control valve; 20-second controller; 21-second temperature sensor; 22-second heating device; 23-conditioner; 24-water source; 25-high-temperature and high-pressure steam pipeline; 26-air supply valve. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0037] like Figure 1 As shown, this embodiment provides a strain fermentation system, including a fermentation barrel 1, a pre-dilution barrel 2, a water supply system, a control system, an air supply system, a second liquid supply pipeline 14 and a flash evaporation device 13.

[0038] Wherein, a stirring device is arranged in the fermentation barrel 1; the pre-dilution barrel 2 is connected with the feed port of the fermentation barrel 1 through a first liquid supply pipe 3, a first liquid supply valve 4 is arranged at one end of the first liquid supply pipe 3 close to the fermentation barrel 1, a first water pump 5 is arranged on the first liquid supply pipe 3, and a first filter is fixedly arranged at the inlet of the first water pump 5; the water supply system comprises a first water supply system and a second water supply system, the first water supply system comprises a first water supply pipe 6 connected with a water source 24 and a first water supply valve 7 arranged at the water outlet end of the first water supply pipe 6, the first water supply valve 7 is used to control the amount of water flowing into the pre-dilution barrel 2, the second water supply system comprises a second water supply pipe 8, a first heating device 9 and a second water supply valve 10 arranged on the second water supply pipe 8, one end of the second water supply pipe 8 is connected with the water source 24, and the other end of the second water supply pipe 8 is connected with the first liquid supply pipe 3 and is located between the first liquid supply valve 4 and the fermentation barrel 1; the control system The system includes a first controller 11 and a first temperature sensor 12, the first temperature sensor 12 is used to sense the temperature of the first liquid supply pipeline 3, the output end of the first temperature sensor 12 is electrically connected to the input end of the first controller 11, and the output end of the first controller 11 is electrically connected to the first heating device 9; the gas supply system includes a high-temperature and high-pressure steam pipeline 25 and a gas supply valve 26 arranged on the high-temperature and high-pressure steam pipeline 25, one end of the high-temperature and high-pressure steam pipeline 25 is connected to the high-temperature and high-pressure steam source; one end of the second liquid supply pipeline 14 is connected to the discharge port of the fermentation barrel 1, and the other end of the second liquid supply pipeline 14 is connected to the high-temperature and high-pressure steam pipeline 25, and a second water pump 15 and an atomizing nozzle 16 are sequentially arranged in the direction from the second liquid supply pipeline 14 to the high-temperature and high-pressure steam pipeline 25; the other end of the high-temperature and high-pressure steam pipeline 25 is connected to the flash evaporation device 13.

[0039] In this embodiment, the raw material is placed in the pre-dilution barrel 2, and water is injected into the pre-dilution barrel 2 through the first water supply system. After the dilution is completed, the mixed solution is passed into the fermentation barrel 1 through the first pump 5. The first filter can effectively prevent materials with larger particle sizes from passing into the fermentation barrel 1 to avoid affecting the fermentation effect. The first controller 11 receives the temperature value measured by the first temperature sensor, and compares it with the set value of the first controller 11. When the temperature of the first liquid supply pipeline 3 is lower than 15°C, the first heating device 9 is turned on and heats the second water supply pipeline 8, so that the mixed solution flowing into the fermentation barrel 1 can maintain a high temperature and improve the fermentation effect. The atomizing nozzle 16 can atomize the fermentation liquid, which is convenient for high-temperature and high-pressure steam to sterilize the fermentation liquid at high temperature. The preparation of animal feed or creep feed is mostly carried out in the conditioner 23, and the fermentation liquid is added thereto. Since animals cannot effectively absorb the nutrients contained in the live bacteria, the fermentation liquid can be heated at high temperature by high-temperature and high-pressure steam to denature the live bacterial cells in the fermentation liquid, which has a good sterilization effect. After the live bacteria lose their activity, they will release the nutrients in the cells, which is convenient for animals to absorb effectively, improves the quality of feed, and is beneficial to the health of animals. The fermented liquid after atomization is in liquid state, and the liquid fermented liquid is converted into vapor state by the flash evaporation device 13, which is convenient for the fermented liquid to be fully mixed with the feed in the conditioner 23.

[0040] In order to facilitate the storage of the fermentation liquid, the present embodiment further includes a liquid storage tank 17 and a second liquid supply valve 18, and the second liquid supply valve 18 and the liquid storage tank 17 are sequentially arranged in the direction from the second liquid supply pipeline 14 to the second water pump 15. After the mixed solution completes the fermentation process in the fermentation barrel 1, the fermentation liquid is stored in the liquid storage tank 17, which is convenient for the storage and use of the fermentation liquid. Further, it also includes a liquid level control valve 19 and a second heating device, and the control system also includes a second controller and a second temperature sensor. The liquid level control valve 19 is fixedly arranged in the liquid storage tank 17, the second heating device is used to heat the liquid in the liquid storage tank 17, and the second temperature sensor is used to sense the temperature of the liquid storage tank 17. The output end of the second temperature sensor is electrically connected to the input end of the second controller, and the output end of the second controller is electrically connected to the second heating device. Through the liquid level control valve 19, it can be prevented that the fermentation liquid in the liquid storage tank 17 overflows into the flash evaporation system and other equipment after being filled, so as to ensure the safety of the system. The second controller receives the temperature value measured by the second temperature sensor and controls the opening and closing of the second heating device to keep the temperature of the fermentation liquid in the liquid storage tank 17 at 80-90°C to ensure the quality of the fermentation liquid. When the fermentation liquid with a higher temperature flows into the flash evaporation device 13, the burden of the flash evaporation device 13 can be reduced, thereby improving the safety and sterilization efficiency of the device.

[0041] There are many forms of fermentation barrels 1, and those skilled in the art can determine the number and capacity of the fermentation barrels 1 according to the actual amount of fermentation liquid required. In this embodiment, the number of fermentation barrels 1 is preferably three, the first liquid supply pipeline 3 is respectively connected to the feed ports of the three fermentation barrels 1, and the second liquid supply pipeline 14 is respectively connected to the discharge ports of the three fermentation barrels 1, and valves for allowing or preventing liquid circulation are respectively provided at the feed port and discharge port of each fermentation barrel 1. Further, the capacity of the fermentation barrel 1 is 2t.

[0042] In order to prevent the presence of larger particles in the fermentation liquid and improve the quality of the fermentation liquid, the present embodiment further includes a second filter screen and a third filter screen, the second filter screen is fixedly arranged at the feed inlet of the fermentation barrel 1, and the third filter screen is fixedly arranged at the discharge port of the fermentation barrel 1. Further, the first filter screen, the second filter screen and the third filter screen are all 80 meshes.

[0043] The present invention also discloses a bacterial fermentation process, comprising the following steps:

[0044] S1. Check for abnormalities: Check whether the second water supply valve 10, the first liquid supply valve 4, the second liquid supply valve 18, and the valves at the feed port and the discharge port of the fermentation barrel 1 are closed, and check whether there are large particles and odors in the fermentation barrel 1 and the pre-dilution barrel 2;

[0045] S2, soaking brown sugar: put brown sugar into the pre-dilution barrel 2 one day in advance, open the first water supply valve 7, and seal the pre-dilution barrel 2 after the pre-dilution barrel 2 is filled with water;

[0046] S3, adding raw materials: open the second water supply valve 10, the first liquid supply valve 4 and the valve at the feed inlet of the fermentation barrel 1, open the first pumping pump 5, pump half of the brown sugar water in the pre-dilution barrel 2, and then slowly add the strain, whey powder and milk powder, adjust the water flow rate of the second water supply pipe 8 through the second water supply valve 10 to keep it consistent with the pumping speed of the first pumping pump 5, and keep the water temperature entering the fermentation barrel 1 at about 30°C through the control system. After the fermentation barrel 1 is filled, close the second water supply valve 10, the first liquid supply valve 4, the valve at the feed inlet of the fermentation barrel 1 and the first pumping pump 5;

[0047] S4, stirring evenly: using a stirring device to stir the liquid in the fermentation barrel 1 evenly to ensure that the liquid does not stratify, and putting the hawthorn powder and astragalus powder packaged in an 80-mesh nylon mesh bag into the fermentation barrel 1 for soaking;

[0048] S5, preparation is completed: the fermentation barrel 1 is sealed;

[0049] S6. Sampling inspection: After the third day of fermentation, take samples to check the pH value. The pH value is required to be below 4.0, and the wine aroma and sourness can be clearly smelled. The fermentation liquid can be used only after there is no agglomeration.

[0050] S7, temporary storage: open the valve at the discharge port of the fermentation barrel 1 and the second liquid supply valve 18, so that the fermentation liquid in the fermentation barrel 1 flows into the liquid storage tank 17, and the amount of the fermentation liquid in the liquid storage tank 17 is controlled by the liquid level control valve 19, and the temperature in the liquid storage tank 17 is always maintained at 80-90° C. through the control system;

[0051] S8, use process: open the air supply valve 26, the second water pump 15 and the atomizing nozzle 16, the high-temperature and high-pressure steam of 175°C and 4kpa contacts the atomized fermentation liquid and sterilizes it at high temperature, the high-temperature and high-pressure steam enters the flash evaporation device 13 together with the fermentation liquid, the liquid fermentation liquid is converted into vapor by the flash evaporation device 13, and then passed into the conditioner 23 to mix with the creep feed to prepare feed, 40-50kg of fermentation liquid is added per ton of creep feed, and the pre-dilution barrel 2, the fermentation barrel 1 and the liquid storage tank 17 need to be cleaned after each use;

[0052] S9. Keep samples for observation: Keep samples from each batch of finished products to observe whether there are any abnormalities in smell and color.

[0053] The present specification uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A bacterial fermentation system, characterized in that: include: A fermentation barrel, wherein a stirring device is arranged in the fermentation barrel; A pre-dilution barrel, the pre-dilution barrel is connected to the feed port of the fermentation barrel through a first liquid supply pipe, a first liquid supply valve is arranged at one end of the first liquid supply pipe close to the fermentation barrel, a first water pump is arranged on the first liquid supply pipe, and a first filter is fixedly arranged at the inlet of the first water pump; A water supply system, the water supply system comprising a first water supply system and a second water supply system, the first water supply system comprising a first water supply pipe connected to a water source and a first water supply valve arranged at a water outlet of the first water supply pipe, the first water supply valve being used to control the amount of water flowing into the pre-dilution barrel, the second water supply system comprising a second water supply pipe, a first heating device and a second water supply valve arranged on the second water supply pipe, one end of the second water supply pipe being connected to the water source, the other end of the second water supply pipe being connected to the first liquid supply pipe and being located between the first liquid supply valve and the fermentation barrel; A control system, the control system comprising a first controller and a first temperature sensor, the first temperature sensor being used to sense the temperature of the first liquid supply pipeline, the output end of the first temperature sensor being electrically connected to the input end of the first controller, and the output end of the first controller being electrically connected to the first heating device; An air supply system, the air supply system comprising a high-temperature and high-pressure steam pipeline and an air supply valve arranged on the high-temperature and high-pressure steam pipeline, one end of the high-temperature and high-pressure steam pipeline is connected to a high-temperature and high-pressure steam source; a second liquid supply pipeline, one end of which is connected to the discharge port of the fermentation barrel, and the other end of which is connected to the high-temperature and high-pressure steam pipeline, and a second water pump and an atomizing nozzle are sequentially arranged in the direction from the second liquid supply pipeline to the high-temperature and high-pressure steam pipeline; A flash evaporation device, the other end of the high-temperature and high-pressure steam pipeline is connected to the flash evaporation device.

2. A bacterial fermentation system according to claim 1, characterized in that: It also includes a liquid storage tank and a second liquid supply valve, and the second liquid supply valve and the liquid storage tank are sequentially arranged in the direction from the second liquid supply pipeline to the second water pump.

3. A bacterial fermentation system according to claim 1, characterized in that: There are three fermentation barrels, the first liquid supply pipeline is connected to the feed ports of the three fermentation barrels respectively, the second liquid supply pipeline is connected to the discharge ports of the three fermentation barrels respectively, and valves for allowing or preventing liquid flow are respectively arranged at the feed port and the discharge port of each fermentation barrel.

4. A bacterial fermentation system according to claim 1, characterized in that: It also includes a second filter screen, which is fixedly arranged at the feed inlet of the fermentation barrel.

5. A bacterial fermentation system according to claim 4, characterized in that: It also includes a third filter screen, which is fixedly arranged at the discharge port of the fermentation barrel.

6. A bacterial fermentation system according to claim 2, characterized in that: It also includes a liquid level control valve and a second heating device. The control system also includes a second controller and a second temperature sensor. The liquid level control valve is fixedly arranged in the liquid storage tank. The second heating device is used to heat the liquid in the liquid storage tank. The second temperature sensor is used to sense the temperature of the liquid storage tank. The output end of the second temperature sensor is electrically connected to the input end of the second controller, and the output end of the second controller is electrically connected to the second heating device.

7. A bacterial fermentation system according to claim 3, characterized in that: The capacity of the fermentation tank is 2t.

8. A bacterial fermentation system according to claim 5, characterized in that: The first filter screen, the second filter screen and the third filter screen are all 80 mesh.

9. A bacterial strain fermentation process, using the bacterial strain fermentation system according to any one of claims 2 to 8, characterized in that: The steps include: S1. Check for abnormalities: Check whether the second water supply valve, the first liquid supply valve, the second liquid supply valve, and the valves at the feed inlet and the discharge port of the fermentation barrel are closed, and check whether there are large particles and odors in the fermentation barrel and the pre-dilution barrel; S2. Soaking brown sugar: Put brown sugar into the pre-dilution bucket one day in advance, open the first water supply valve, and seal the pre-dilution bucket after the pre-dilution bucket is filled with water; S3, adding raw materials: open the second water supply valve, the first liquid supply valve and the valve at the feed inlet of the fermentation barrel, open the first pump, pump half of the brown sugar water in the pre-dilution barrel, and then slowly add the strain, whey powder, and milk powder. Adjust the water flow rate of the second water supply pipeline through the second water supply valve to keep it consistent with the pumping speed of the first pump. Keep the water temperature entering the fermentation barrel at 30°C through the control system. After the fermentation barrel is filled, close the second water supply valve, the first liquid supply valve, the valve at the feed inlet of the fermentation barrel and the first pump; S4, stirring evenly: using a stirring device to stir the liquid in the fermentation barrel evenly to ensure that the liquid does not stratify, and putting the hawthorn powder and astragalus powder packaged in an 80-mesh nylon mesh bag into the fermentation barrel for soaking; S5, preparation is completed: the fermentation barrel is sealed; S6. Sampling inspection: After the third day of fermentation, take samples to check the pH value. The pH value is required to be below 4.0, and the wine aroma and sourness can be clearly smelled. The fermentation liquid can be used only after there is no agglomeration. S7, temporary storage: open the valve at the discharge port of the fermentation barrel and the second liquid supply valve to allow the fermentation liquid in the fermentation barrel to flow into the liquid storage tank, control the amount of the fermentation liquid in the liquid storage tank through the liquid level control valve, and keep the temperature in the liquid storage tank at 80-90°C through the control system; S8. Use process: open the air supply valve, the second water pump and the atomizing nozzle, and the high-temperature and high-pressure steam of 175°C and 4kpa contacts the atomized fermentation liquid and sterilizes it at high temperature. The high-temperature and high-pressure steam and the fermentation liquid enter the flash evaporation device together, and the liquid fermentation liquid is converted into a vapor state by the flash evaporation device and then passed into the conditioner to be mixed with the creep feed to prepare the feed. 40-50kg of fermentation liquid is added to each ton of creep feed. The pre-dilution barrel, fermentation barrel and liquid storage tank need to be cleaned after each use; S9. Keep samples for observation: Keep samples from each batch of finished products to observe whether there are any abnormalities in smell and color.

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