Beer beating machine

Abstract

The utility model belongs to the technical field of beer brewing equipment, and particularly discloses a beer brewing machine which comprises a machine body, a plurality of beer outlet valves arranged on the machine body, a beer outlet pipeline arranged in the machine body and connected with the beer outlet valves, a disinfection pipeline arranged on the machine body and connected with a disinfectant supply device. A wine inlet valve is arranged at the position, close to the wine inlet end, of the wine outlet pipeline, the disinfection pipeline is connected to the position, located between the wine inlet valve and the wine outlet valve, of the wine outlet pipeline, and a disinfection valve is arranged on the disinfection pipeline. A control circuit is arranged on the machine body and comprises a business start control switch and a business end control switch. According to the utility model, the switching between a business state and a disinfection state can be realized, the wine outlet pipeline and the wine outlet valve (foreshot) can be cleaned and disinfected in the disinfection state, and the chlorine dioxide solution is selected to ensure that no peculiar smell exists after the wine is discharged. The problem that an existing wine taking machine needs to be cleaned frequently is solved, cleanliness of a pipeline is guaranteed, foam generated in the wine discharging process is reduced, and the wine taking speed is increased.

Description

Technical Field

[0001] This utility model relates to the field of beer dispensing equipment, specifically to a beer dispensing machine. Background Technology

[0002] A beer dispensing machine is a specialized piece of equipment widely used in restaurants, bars, beer specialty stores, and other similar establishments. It is primarily used to dispense beer from large-capacity beer cans into smaller glasses or bottles for customers to drink.

[0003] Common beer dispensing machines typically consist of a main body with multiple dispensing valves (commonly known as dispensing heads). The main body contains dispensing pipes; the inlet of these pipes connects to the outlet of the beer can, and the outlet connects to the dispensing valves. The main body also has a gas supply pipe; the inlet of this pipe connects to a compressed gas storage container (usually a carbon dioxide cylinder), and the outlet connects to the inlet of the beer can. To connect the inlet and outlet to the beer can, the can is usually equipped with a dispensing spout and a dispenser. Carbon dioxide or other gases from the compressed gas storage container enter the beer can through the dispenser, creating pressure within the can. This pressure forces the beer through the spout into the dispensing pipes, and when the dispensing valves are open, dispensing can begin.

[0004] Existing beer dispensing machines have several problems during use. For example, beer tends to accumulate in the dispensing lines, and can spoil overnight. Spoiled beer adheres to the lines, contaminating subsequent dispensing. Therefore, the dispensing lines and taps need to be cleaned regularly. Furthermore, improper cleaning of the lines can lead to excessive foam in the dispensing, slowing down the dispensing process. Utility Model Content

[0005] The purpose of this invention is to provide a beer dispensing machine that addresses the above-mentioned problems, such as beer accumulating in the dispensing pipe, the need for regular cleaning of the dispensing pipe and valve (drinking head), which wastes time and increases operating costs.

[0006] To achieve the above objectives, this utility model discloses a beer dispensing machine. The machine includes a body with several dispensing valves. A dispensing pipe is located within the body, with its inlet end connected to the outlet of a beer can and to the dispensing valves. An air supply pipe is also provided on the body, with its inlet end connected to a compressed gas storage container and a first outlet end connected to the air inlet of the beer can. A sterilization pipe is also provided on the body, with its sterilizer inlet connected to a sterilizer supply device. An inlet valve is located on the dispensing pipe near the inlet end, and the sterilizer outlet end of the sterilization pipe is connected to a portion of the dispensing pipe located between the inlet and outlet valves. A sterilization valve is also located on the sterilization pipe. With this structure, either the inlet valve or the sterilization valve can be opened as needed. When the inlet valve is open and the sterilization valve is closed, normal dispensing can be achieved by opening the dispensing valve. When the sterilization valve is opened and the inlet valve is closed, the disinfectant can enter the outlet pipe through the sterilization pipeline. Opening the outlet valve flushes out any residual liquor in the outlet pipe, and closing the outlet valve allows the outlet pipe to store disinfectant for prolonged sterilization. To prepare for dispensing liquor, simply open the outlet valve to release the disinfectant solution in the outlet pipe.

[0007] Furthermore, the machine body is equipped with multiple dispensing valves, and the dispensing pipeline includes multiple parallel dispensing pipes. Each dispensing pipe has a dispensing valve connected to its dispensing end, and each dispensing pipe has a beer can connected to its inlet end. Each dispensing pipe has an inlet valve near its inlet end. The first venting end is connected to multiple branch venting pipes, which are used to connect to different beer cans. The sterilization pipeline includes a head sterilization pipe, a tail sterilization pipe, and a secondary sterilization pipe located between the dispensing pipes. One end of the head sterilization pipe is connected to a sterilizing liquid supply device, and the other end of the head sterilization pipe is connected to the section of the first dispensing pipe located between the inlet valve and the dispensing valve. The secondary sterilization pipe connects the sections of each dispensing pipe located between the inlet valve and the dispensing valve in series. One end of the tail sterilization pipe is connected to the section of the last dispensing pipe located between the inlet valve and the dispensing valve, and the other end of the tail sterilization pipe is used to discharge the sterilizing liquid. There is one sterilization valve on each of the head sterilization pipe, the tail sterilization pipe, and the secondary sterilization pipe. With the above structure, multiple dispensing pipes are individually controlled by their respective inlet and outlet valves, making it suitable for dispensing various types of beer without flavor mixing. Each beer tank receives air through a branch gas supply pipe, maintaining independent gas supply and facilitating management and individual tank replacement. Multiple dispensing pipes are connected in series using a head sterilization pipe, a secondary sterilization pipe, and a tail sterilization pipe, allowing the disinfectant to pass through each pipe sequentially, ensuring thorough sterilization of each pipe.

[0008] Furthermore, the two ends of the secondary disinfection tube are respectively connected to the portion of the preceding dispensing tube near the outlet valve and the portion of the following dispensing tube near the inlet valve. The first disinfection tube is connected to the portion of the first dispensing tube near the inlet valve, and the last disinfection tube is connected to the portion of the last dispensing tube near the outlet valve. With the above structure, during the disinfection process, the disinfectant can completely flush out any residual wine in the dispensing tubes, achieving thorough disinfection.

[0009] Furthermore, a first one-way valve is installed on the dispensing pipe, and a second one-way valve is installed on the first sterilization pipe. The first one-way valve is located on the dispensing pipe near the inlet valve and controls the unidirectional flow of beer downstream from the inlet valve. The second one-way valve is located on the first sterilization pipe near the first dispensing pipe and controls the unidirectional flow of disinfectant from the first sterilization pipe to the dispensing pipe. With this structure, during sterilization, the first one-way valve prevents the disinfectant from flowing into the beer tank, and during dispensing, the second one-way valve prevents beer from entering the disinfectant supply device.

[0010] Furthermore, the disinfectant supply device includes a disinfectant storage container. A first vent pipe is connected to the first outlet of the gas supply pipeline, and multiple branch vent pipes are connected to the first vent pipe. These branch vent pipes are used to connect to the air inlets of multiple beer cans. A second vent pipe is connected to the second outlet, and the second vent pipe is connected to the disinfectant storage container. A first gas supply valve and a second gas supply valve are respectively installed on the first and second vent pipes. With this structure, air pressure can be supplied to the beer cans and the disinfectant storage container respectively through the first and second vent pipes, realizing the dispensing of beer or disinfectant. The first and second gas supply valves are used to switch the gas supply from the first and second vent pipes.

[0011] Furthermore, an exhaust pipe is connected to the first vent pipe, located between the first air supply valve and the branch air supply pipe, and an exhaust valve is installed on the exhaust pipe. With the above structure, the exhaust pipe enables the beer can to release air, reducing foam generation during dispensing, and the exhaust valve is used to control the venting of the beer can.

[0012] Furthermore, a third check valve is installed on the first vent pipe, located between the first air supply valve and the branch air supply pipe, and also between the first air supply valve and the exhaust pipe. The third check valve controls the unidirectional flow of fluid from the first air supply valve to the branch air supply pipe. A fourth check valve is installed on the exhaust pipe, located at the section of the exhaust valve away from the first vent pipe. The fourth check valve controls the unidirectional flow of air from the exhaust valve to the end of the exhaust pipe away from the first vent pipe. With this structure, the third check valve prevents gas backflow, and the fourth check valve prevents waste liquid backflow.

[0013] Furthermore, a waste collection bin is installed inside the machine body, and the tail disinfection pipe and exhaust pipe both lead into the waste collection bin. With the above structure, the waste collection bin is used to collect waste liquid, facilitating centralized treatment.

[0014] Furthermore, the machine body is equipped with a business start control switch, a business end control switch, a first relay, and a second relay. The wine inlet valve and the first gas supply valve are both electrically controlled valves, and their control coils are connected in parallel and then in series with the normally open contact of the first relay to the power circuit. The second gas supply valve, the sterilization valve, and the exhaust valve are all electrically controlled valves, and their control coils are connected in parallel and then in series with the normally open contact of the second relay to the power circuit. The coil of the first relay is connected in series with the first business start control switch and then to the power circuit. The coil of the second relay is connected in series with the business end control switch and then to the power circuit. With the above structure, the business start control switch, the business end control switch, the first relay, and the second relay can be used in conjunction. Activating the business start control switch and closing the business end control switch allows entry into the wine dispensing mode. After the disinfectant is discharged, normal wine dispensing can begin. Activating the business end control switch and closing the business start control switch allows entry into the sterilization mode. Opening the wine outlet valve until the disinfectant can be discharged allows for immersion sterilization of the wine outlet pipeline.

[0015] Furthermore, the start-of-business control switch and the end-of-business control switch are interlocked. When the start-of-business control switch is on, the end-of-business control switch is off, and vice versa. With this structure, the start-of-business control switch and the end-of-business control switch are interconnected, enabling precise switching between business mode and disinfection mode.

[0016] In summary, the beneficial effects of this utility model are as follows: This utility model can switch between operating and disinfection states by switching the state of the start-of-operation control switch and the end-of-operation control switch. By switching to the disinfection state, the dispensing pipeline and the dispensing valve (drum) can be cleaned and disinfected. By using suitable disinfectants such as chlorine dioxide solution, there is no odor after dispensing. This not only solves the problem of frequent cleaning required by existing beer dispensing machines and ensures the cleanliness of the pipeline, but also reduces foam generation during dispensing and increases the dispensing speed. Attached Figure Description

[0017] Figure 1 This is a front structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the rear structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the pipeline structure in this utility model;

[0020] Figure 4 This is a schematic diagram of the circuit structure in this utility model;

[0021] Figure 5 yes Figure 4 A schematic diagram of another state of the circuit shown.

[0022] In the diagram: 1. Machine body, 2. Beer dispensing valve, 3. Beer dispensing pipe, 301. Beer distribution pipe, 4. Beer tank, 5. Gas supply pipe, 6. First gas outlet, 7. Sterilization pipe, 701. First sterilization pipe, 702. Tail sterilization pipe, 703. Secondary sterilization pipe, 8. Beer inlet valve, 9. Sterilization valve, 10. Branch gas supply pipe, 11. First one-way valve, 12. Second one-way valve, 13. Sterilizer storage container, 14. First vent pipe, 15. Second vent pipe, 16. First gas supply valve, 17. Second gas supply valve, 18. Exhaust pipe, 19. Exhaust valve, 20. Third one-way valve, 21. Fourth one-way valve, 22. Waste recycling bin, 23. Business start control switch, 24. Business end control switch, 25. First relay, 26. Second relay, 27. Compressed gas storage container, 28. Second gas outlet. Detailed Implementation

[0023] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0024] Reference Figures 1 to 3In some embodiments of this utility model, the beer dispensing machine includes a body 1, on which several dispensing valves 2 are installed. A dispensing pipe 3 is provided inside the body 1. The inlet end of the dispensing pipe 3 is connected to the outlet of a beer tank 4, and the outlet end of the dispensing pipe 3 is connected to the dispensing valves 2. A gas supply pipe 5 is provided on the body 1. The inlet end of the gas supply pipe is connected to a compressed gas storage container 27. The gas supply pipe 5 has a first outlet end 6, which is connected to the inlet of the beer tank 4. A sterilization pipe 7 is provided on the body 1. The sterilizer inlet end of the sterilization pipe 7 is connected to a sterilizer supply device. An inlet valve 8 is provided on the dispensing pipe 3 near the inlet end. The sterilizer outlet end of the sterilization pipe 7 is connected to the part of the dispensing pipe 3 located between the inlet valve 8 and the dispensing valves 2. A sterilization valve 9 is provided on the sterilization pipe 7. The sterilizer can be chlorine dioxide solution, etc., and the compressed gas storage container 27 can be a carbon dioxide cylinder. During use, you can choose to open either the inlet valve 8 or the sterilization valve 9 as needed. When the inlet valve 8 is open and the sterilization valve 9 is closed, normal dispensing can be achieved by opening the outlet valve 2. When the sterilization valve 9 is open and the inlet valve 8 is closed, the disinfectant can enter the outlet pipe 3 through the sterilization pipe 7. Opening the outlet valve 2 will flush out any residual liquor in the outlet pipe 3. After closing the outlet valve 2, the outlet pipe 3 can store the disinfectant for long-term sterilization. To prepare for dispensing, simply open the outlet valve 2 to release the disinfectant stored in the outlet pipe 3.

[0025] The machine body 1 is equipped with multiple beer dispensing valves 2. The beer dispensing pipeline 3 includes multiple parallel dispensing pipes 301. Each dispensing pipe 301 has a beer dispensing valve 2 connected to its dispensing end and a beer inlet pipe 4 connected to its inlet end. Each dispensing pipe 301 has an inlet valve 8 near its inlet end. The first gas outlet 6 is connected to multiple branch gas supply pipes 10, which are used to connect to different beer cans 4. The sterilization pipeline 7 includes a head sterilization pipe 701, a tail sterilization pipe 702, and a secondary sterilization pipe 703 located between the dispensing pipes 301. The head sterilization... One end of pipe 701 is used to connect to the disinfectant supply device. The other end of the first disinfection pipe 701 is connected to the section of the first dispensing pipe 301 located between the inlet valve 8 and the outlet valve 2. The secondary disinfection pipe 703 connects the sections of each dispensing pipe 301 located between the inlet valve 8 and the outlet valve 2 in series. One end of the tail disinfection pipe 702 is connected to the section of the last dispensing pipe 301 located between the inlet valve 8 and the outlet valve 2. The other end of the tail disinfection pipe 702 is used to discharge the disinfectant. There is one disinfection valve 9 on each of the first disinfection pipe 701, the tail disinfection pipe 702, and the secondary disinfection pipe 703. Multiple dispensing pipes 301 are individually controlled by their respective inlet valve 8 and outlet valve 2, which is suitable for dispensing various types of beer without cross-contamination of flavors. Each beer tank 4 is supplied with air through a branch gas supply pipe 10, maintaining independent gas supply, which facilitates management and individual replacement of each beer tank 4. Multiple dispensing tubes 301 are connected in series using a first disinfection tube 701, a secondary disinfection tube 703, and a tail disinfection tube 702. The disinfectant passes through each dispensing tube 301 in sequence to ensure that each dispensing tube 301 is thoroughly disinfected.

[0026] The two ends of the secondary disinfection tube 703 are connected to the portion of the preceding dispensing tube 301 near the dispensing valve 2 and the portion of the following dispensing tube 301 near the inlet valve 8, respectively. The first disinfection tube 701 is connected to the portion of the first dispensing tube 301 near the inlet valve 8, and the last disinfection tube 702 is connected to the portion of the last dispensing tube 301 near the dispensing valve 2. During the disinfection process, the disinfectant can completely flush out any residual wine in the dispensing tubes 301, achieving thorough disinfection.

[0027] A first one-way valve 11 is installed on the dispensing pipe 301, and a second one-way valve 12 is installed on the first sterilization pipe 701. The first one-way valve 11 is located on the dispensing pipe 301 near the inlet valve 8 and controls the unidirectional flow of beer downstream from the inlet valve 8. The second one-way valve 12 is located on the first sterilization pipe 701 near the first dispensing pipe 301 and controls the unidirectional flow of disinfectant from the first sterilization pipe 701 to the dispensing pipe 301. During sterilization, the first one-way valve 11 prevents the disinfectant from flowing into the beer tank 4, and during dispensing, the second one-way valve 12 prevents beer from entering the disinfectant supply device.

[0028] The disinfectant supply device includes a disinfectant storage container 13. A first vent pipe 14 is connected to the first outlet 6 of the gas supply line 5, and multiple branch gas supply pipes 10 are connected to the first vent pipe 14. The branch gas supply pipes 10 are respectively connected to the air inlets of multiple beer cans 4. A second vent pipe 15 is connected to the second outlet 6, and the second vent pipe 15 is connected to the disinfectant storage container 13. A first gas supply valve 16 and a second gas supply valve 17 are respectively installed on the first vent pipe 14 and the second vent pipe 15. Gas pressure can be supplied to the beer cans 4 and the disinfectant storage container 13 through the first vent pipe 14 and the second vent pipe 15, respectively, to dispense beer or disinfectant. The first gas supply valve 16 and the second gas supply valve 17 are used to switch the gas supply from the first vent pipe 14 and the second vent pipe 15.

[0029] An exhaust pipe 18 is connected to the first vent pipe 14. The exhaust pipe 18 is located between the first air supply valve 16 and the branch air supply pipe 10. An exhaust valve 19 is installed on the exhaust pipe 18. The exhaust pipe 18 is used to vent the beer can 4, reducing the generation of foam when dispensing beer. The exhaust valve 19 is used to control the venting of the beer can 4.

[0030] A third check valve 20 is installed on the first vent pipe 14. The third check valve 20 is located between the first air supply valve 16 and the branch air supply pipe 10, and also between the first air supply valve 16 and the exhaust pipe 18. The third check valve 20 controls the unidirectional flow of fluid from the first air supply valve 16 to the branch air supply pipe 10. A fourth check valve 21 is installed on the exhaust pipe 18. The fourth check valve 21 is located at the end of the exhaust valve 19 away from the first vent pipe 14. The fourth check valve 21 controls the unidirectional flow of air from the exhaust valve 19 to the end of the exhaust pipe 18 away from the first vent pipe 14. The third check valve 20 prevents gas backflow, and the fourth check valve 21 prevents waste liquid backflow.

[0031] A waste collection bin 22 is installed inside the machine body 1, and the tail disinfection pipe 702 and the exhaust pipe 18 both lead into the waste collection bin 22. The waste collection bin 22 is used to collect waste liquid for centralized treatment.

[0032] Reference Figure 4 , Figure 5In some embodiments of this utility model, the body 1 of the beer dispensing machine is equipped with a business start control switch 23, a business end control switch 24, a first relay 25, and a second relay 26. The beer inlet valve 8 and the first gas supply valve 16 are both electrically controlled valves, and their control coils are connected in parallel and then in series with the normally open contact of the first relay 25 to connect to the power circuit. The second gas supply valve 17, the sterilization valve 9, and the exhaust valve 19 are all electrically controlled valves, and their control coils are connected in parallel and then in series with the normally open contact of the second relay 26 to connect to the power circuit. The coil portion of the first relay 25 is connected in series with the first business start control switch 23 and then to the power circuit, and the coil portion of the second relay 26 is connected in series with the business end control switch 24 and then to the power circuit. The business start control switch 23, the business end control switch 24, the first relay 25, and the second relay 26 can be used in conjunction. Activating the business start control switch 23 and closing the business end control switch 24 allows the dispensing mode to be entered. After the sterilizer is discharged, normal dispensing can begin. Turning on the business end control switch 24 and turning off the business start control switch 23 will enter the disinfection mode. Opening the wine outlet valve 2 until the disinfectant can be discharged will allow the wine outlet pipeline 3 to be soaked and disinfected.

[0033] The start-of-business control switch 23 and the end-of-business control switch 24 are interlocked. When the start-of-business control switch 23 is turned on, the end-of-business control switch 24 is turned off, and vice versa. The start-of-business control switch 23 and the end-of-business control switch 24 are interconnected, enabling precise switching between business mode and disinfection mode.

[0034] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0035] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0037] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A beer tapping machine, comprising a machine body (1) on which a plurality of tapping valves (2) are mounted, a tapping pipeline (3) being arranged in the machine body (1), a beer inlet end of the tapping pipeline (3) being used for connecting a beer outlet of a beer tank (4), a beer outlet end of the tapping pipeline (3) being connected to the tapping valve (2), a gas supply pipeline (5) being arranged on the machine body (1), a gas inlet end of the gas supply pipeline being used for connecting a compressed gas storage container (27), the gas supply pipeline (5) having a first gas outlet end (6) which is used for connecting a gas inlet of the beer tank (4), characterized in that, The body (1) is provided with a disinfection pipeline (7), the disinfectant inlet end of the disinfection pipeline (7) is used for connecting a disinfectant supply device, the wine inlet valve (8) is arranged on the part of the wine outlet pipeline (3) close to the wine inlet end, the disinfectant outlet end of the disinfection pipeline (7) is connected to the part of the wine outlet pipeline (3) between the wine inlet valve (8) and the wine outlet valve (2), and the disinfection pipeline (7) is provided with a disinfection valve (9).

2. A beer tapping machine as claimed in claim 1, characterized in that A plurality of wine outlet valves (2) are mounted on the body (1), the wine outlet pipeline (3) comprises a plurality of wine distribution pipelines (301) arranged in parallel, the wine outlet end of each wine distribution pipeline (301) is connected with one wine outlet valve (2), the wine inlet end of each wine distribution pipeline (301) is used for connecting one beer tank (4), and the wine inlet valve (8) is arranged on the part of each wine distribution pipeline (301) close to the wine inlet end; the first gas outlet end (6) is connected with a plurality of branch gas supply pipelines (10), and the plurality of branch gas supply pipelines (10) are used for connecting different beer tanks (4). The disinfection pipeline (7) comprises a head disinfection pipeline (701), a tail disinfection pipeline (702) and a sub-disinfection pipeline (703) arranged between the wine distribution pipelines (301), one end of the head disinfection pipeline (701) is used for connecting a disinfectant supply device, the other end of the head disinfection pipeline (701) is connected with the pipe section of the first wine distribution pipeline (301) between the wine inlet valve (8) and the wine outlet valve (2), the sub-disinfection pipeline (703) connects the pipe sections of the wine distribution pipelines (301) between the wine inlet valve (8) and the wine outlet valve (2) together, one end of the tail disinfection pipeline (702) is connected with the pipe section of the last wine distribution pipeline (301) between the wine inlet valve (8) and the wine outlet valve (2), the other end of the tail disinfection pipeline (702) is used for discharging disinfectant, and the disinfection valve (9) is arranged on the head disinfection pipeline (701), the tail disinfection pipeline (702) and the sub-disinfection pipeline (703) respectively.

3. A beer tapping machine as claimed in claim 2, characterized in that The two ends of the sub-disinfection pipeline (703) are connected with the part of the previous wine distribution pipeline (301) close to the wine outlet valve (2) and the part of the next wine distribution pipeline (301) close to the wine inlet valve (8) respectively, the head disinfection pipeline (701) is connected with the part of the first wine distribution pipeline (301) close to the wine inlet valve (8), and the tail disinfection pipeline (702) is connected with the part of the last wine distribution pipeline (301) close to the wine outlet valve (2).

4. The beer tapping machine of claim 2, wherein, The first one-way valve (11) is mounted on the wine distribution pipeline (301), the second one-way valve (12) is mounted on the head disinfection pipeline (701), the first one-way valve (11) is arranged on the part of the wine distribution pipeline (301) close to the wine inlet valve (8), and is used for controlling the one-way flow of beer from the wine inlet valve (8) to the downstream; the second one-way valve (12) is arranged on the part of the head disinfection pipeline (701) close to the first wine distribution pipeline (301), and is used for controlling the one-way flow of disinfectant from the head disinfection pipeline (701) to the wine distribution pipeline (301).

5. The beer tapping machine of claim 2, wherein, The disinfectant supply device comprises a disinfectant storage container (13), a first air outlet end (6) of a gas supply pipeline (5) is connected with a first air pipe (14) and connects a plurality of branch gas supply pipes (10) through the first air pipe (14), the plurality of branch gas supply pipes (10) are used for connecting gas inlets of a plurality of beer tanks (4) respectively, a second air outlet end (28) is arranged on the gas supply pipeline (5), the second air outlet end (28) is connected with a second air pipe (15), the second air pipe (15) is connected with the disinfectant storage container (13), the first air pipe (14) and the second air pipe (15) are respectively provided with a first gas supply valve (16) and a second gas supply valve (17).

6. A beer tapping machine as claimed in claim 5, characterized in that The first air pipe (14) is connected with an exhaust pipe (18), the exhaust pipe (18) is located between the first gas supply valve (16) and the branch gas supply pipe (10), and the exhaust pipe (18) is provided with an exhaust valve (19).

7. A beer tapping machine as claimed in claim 6, characterized in that The first air pipe (14) is provided with a third one-way valve (20), the third one-way valve (20) is located between the first gas supply valve (16) and the branch gas supply pipe (10), and the third one-way valve (20) is located between the first gas supply valve (16) and the exhaust pipe (18), the third one-way valve (20) is used for controlling one-way flow of fluid from the first gas supply valve (16) to the branch gas supply pipe (10); the exhaust pipe (18) is provided with a fourth one-way valve (21), the fourth one-way valve (21) is located at a section of the exhaust valve (19) away from the first air pipe (14), and the fourth one-way valve (21) is used for controlling one-way flow of gas from the exhaust valve (19) to an end of the exhaust pipe (18) away from the first air pipe (14).

8. The beer tapping machine of claim 6, wherein, The machine body (1) is provided with a waste recovery barrel (22), and the tail disinfection pipe (702) and the exhaust pipe (18) both enter the waste recovery barrel (22).

9. The beer tapping machine of claim 6, wherein, The machine body (1) is provided with a business start control switch (23), a business end control switch (24), a first relay (25) and a second relay (26), the wine inlet valve (8) and the first gas supply valve (16) are electrically controlled valves, control coils of the wine inlet valve (8) and the first gas supply valve (16) are connected in parallel and then connected in series with normally open contacts of the first relay (25) to a power supply circuit; the second gas supply valve (17), the disinfection valve (9) and the exhaust valve (19) are electrically controlled valves, control coils of the second gas supply valve (17), the disinfection valve (9) and the exhaust valve (19) are connected in parallel and then connected in series with normally open contacts of the second relay (26) to the power supply circuit, a coil part of the first relay (25) is connected to the power supply circuit in series with the business start control switch (23), and a coil part of the second relay (26) is connected to the power supply circuit in series with the business end control switch (24).

10. A beer tapping machine as claimed in claim 9, characterized in that The business start control switch (23) and the business end control switch (24) are interlocked, the business end control switch (24) is closed when the business start control switch (23) is opened, and the business start control switch (23) is closed when the business end control switch (24) is opened.

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