Circulating sterilization device for solid beverage production

Abstract

The invention is applicable to the technical field of solid beverage sterilization devices, and provides a circular sterilization device for solid beverage production, which comprises a cylinder, a lifting assembly, a first ultraviolet lamp tube and a blocking assembly, the blocking assembly comprises a mounting shaft, a plurality of telescopic rod groups, flexible cloth and a driving mechanism, the driving mechanism comprises a cylinder body, a piston, a movable rod, a movable plate, a compression spring, a cam, an air suction pipe and an air outlet pipe, each telescopic rod set comprises at least one pneumatic telescopic rod stretching out and drawing back in the radial direction of the mounting shaft, and each pneumatic telescopic rod comprises a rod sleeve and a movable body. The first ultraviolet lamp tube emits ultraviolet light to sterilize the solid beverage, and part of the solid beverage at the bottom of the inner cavity of the barrel is lifted to the upper part of the inner cavity of the barrel through the lifting assembly, then falls onto the blocking assembly, is dispersed and slides downwards, and is fully irradiated by the ultraviolet light repeatedly and circularly, so that the sterilization effect is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of solid beverage sterilization devices, and in particular relates to a circulation sterilization device for solid beverage production. Background Art

[0002] As an important category in the modern food industry, solid beverages are widely used in daily life due to their portability, long shelf life and diverse flavors. Among them, the solid beverage of thread-leaf broom, as a new type of beverage with unique flavor and health benefits, has gradually increased in market demand in recent years. Thread-leaf broom is rich in active ingredients such as flavonoids and polyphenols, and has health benefits such as antioxidant and anti-inflammatory. However, due to the characteristics of its plant raw materials, the solid beverage of thread-leaf broom may be contaminated by microorganisms during the production process, especially in the drying, crushing and packaging links. The presence of microorganisms will directly affect the safety, shelf life and quality of the product.

[0003] At present, the sterilization technology of solid beverages mainly includes thermal sterilization, chemical sterilization and physical sterilization. Ultraviolet sterilization technology in physical sterilization has gradually become a common method for sterilizing solid beverages due to its advantages of no pollution, no residue and easy operation. Traditional ultraviolet sterilization equipment usually uses fixed ultraviolet lamps for irradiation. Solid beverages are prone to accumulation in static or simple flow states, resulting in some products not being fully exposed to ultraviolet light and incomplete sterilization. Summary of the invention

[0004] The present invention provides a circulating sterilizing device for producing solid beverages, aiming to solve the above-mentioned problems.

[0005] The present invention is achieved in that a circulating sterilizing device for producing solid beverages comprises:

[0006] A rotating cylinder;

[0007] A plurality of lifting components arranged at intervals in annular direction on the side wall of the cylinder body are used to lift part of the solid beverage at the bottom of the cylinder body cavity to the upper part of the cylinder body cavity;

[0008] A plurality of first ultraviolet lamp tubes installed at intervals in an annular direction on the side wall of the cylinder body are used to sterilize the solid beverage;

[0009] The barrier component is used for dispersing the solid beverage falling from the upper part of the inner cavity of the cylinder and delaying the falling speed, and the size of the barrier component can be changed.

[0010] Preferably, the lifting assembly comprises a plurality of cylinder shells fixed on the side wall of the cylinder at an annular interval, the cylinder shells are communicated with the inner cavity of the cylinder, and a plurality of second ultraviolet lamp tubes are installed on the side wall of the cylinder shells at intervals.

[0011] Preferably, a crushing structure is installed in the cylinder shell for crushing agglomerated solid beverages. The crushing structure includes a second stepper motor and a crushing roller. The crushing roller is rotatably installed in the cylinder shell, and the second stepper motor is fixedly installed at one end of the cylinder shell and drives the crushing roller.

[0012] Preferably, the blocking assembly comprises:

[0013] A mounting shaft coaxially passing through the cylinder, the mounting shaft being mounted on a mounting frame, and the cylinder being rotatably mounted on the mounting shaft;

[0014] A plurality of telescopic rod groups are fixed on the mounting shaft at intervals in annular direction, each telescopic rod group comprises at least one pneumatic telescopic rod that is telescoped radially along the mounting shaft, a mounting rod is fixed at the top of the pneumatic telescopic rod of each telescopic rod group, and a through slot is formed on the mounting rod;

[0015] The flexible cloth has one end fixedly connected to a mounting rod, and the other end is wound around the through slots of all mounting rods in sequence and then wound and fixed on a winding roller. The winding roller is rotatably mounted on the mounting shaft through a bracket, and a spiral spring is connected between the winding roller and the bracket. The force of the spiral spring on the winding roller makes it have a tendency to roll up the flexible cloth;

[0016] A driving mechanism for gradually extending a pneumatic telescopic rod.

[0017] Preferably, the mounting frame includes a base plate and a side plate, two side plates are relatively fixed on the upper surface of the base plate, the mounting shaft is rotatably installed between the two side plates, shaft sleeves are fixed at both ends of the cylinder, the shaft sleeves are sleeved on the mounting shaft, and a power mechanism for driving the cylinder to rotate is installed on the mounting frame.

[0018] Preferably, the driving mechanism comprises:

[0019] A cylinder body fixed to a side plate and located below the mounting shaft;

[0020] A piston is arranged in the cylinder body, a movable rod is fixed on the upper surface of the piston, a top end of the movable rod passes through the cylinder body and is fixed with a movable plate, and a compression spring is sleeved on the movable rod between the movable plate and the cylinder body;

[0021] A cam fixed on the shaft sleeve, wherein the cam can contact with the upper surface of the movable plate;

[0022] An air intake pipe and an air outlet pipe are connected to one end of the cylinder body away from the movable plate, the air intake pipe is connected to the atmosphere, the other end of the air outlet pipe is connected to the inner cavity of the mounting shaft, the inner cavity of the mounting shaft is connected to the inner cavity of the pneumatic telescopic rod, and a one-way valve is installed on both the air intake pipe and the air outlet pipe, and a first air discharge pipe and a second air discharge pipe are respectively installed on both sides of the one-way valve on the air outlet pipe, and solenoid valves are respectively installed on the first air discharge pipe and the second air discharge pipe, and the first air discharge pipe is located on the pipe section of the air outlet pipe close to the cylinder body, and an air pressure sensor is installed on the air outlet pipe, and the air pressure sensor is electrically connected to the solenoid valve on the first air discharge pipe.

[0023] Preferably, the pneumatic telescopic rod comprises a rod sleeve and a movable body, and the movable body is movably inserted into the rod sleeve along the length direction of the rod sleeve to form the pneumatic telescopic rod.

[0024] Preferably, there are six telescopic rod groups in total, and an elastic rope is connected between one end of the movable body of the pneumatic telescopic rod on the upper part of the mounting shaft close to the side wall of the cylinder and the rod sleeve.

[0025] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0026] The circulating sterilization device for producing solid beverages provided by the present invention is provided with a cylinder, a lifting component, a first ultraviolet lamp and a blocking component. The first ultraviolet lamp emits ultraviolet light to sterilize the solid beverage. The lifting component lifts part of the solid beverage at the bottom of the cylinder inner cavity to the upper part of the cylinder inner cavity, and then falls onto the blocking component, disperses and slides downward, and is repeatedly irradiated by ultraviolet light to improve the sterilization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of a circulating sterilization device for producing solid beverages provided by the present invention.

[0028] Figure 2 yes Figure 1 A partial enlarged view of the .

[0029] Figure 3 The present invention is a schematic diagram of the structure of a pneumatic telescopic rod in a circulating sterilizing device for producing solid beverages.

[0030] Figure 4 It is a structural schematic diagram of a cam in a circulating sterilization device for solid beverage production provided by the present invention.

[0031] Figure 5 It is a schematic diagram of the lateral internal structure of a circulating sterilization device for producing solid beverages provided by the present invention.

[0032] Notes on the accompanying drawings: 1. Bottom plate; 2. Side plate; 3. Cylinder shell; 4. Crushing roller; 5. Cylinder body; 6. Mounting rod; 7. Flexible cloth; 8. Pneumatic telescopic rod; 9. Mounting shaft; 10. Winding roller; 11. Cam; 12. Exhaust pipe; 13. Movable plate; 14. Compression spring; 15. Cylinder body; 16. Piston; 17. Intake pipe; 18. First exhaust pipe; 19. Second exhaust pipe; 20. Timer; 21. Second stepping motor; 22. Air pressure sensor; 23. Second ultraviolet lamp; 24. First ultraviolet lamp; 25. Hopper; 26. Elastic rope. DETAILED DESCRIPTION

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0034] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0035] The embodiment of the present invention provides a circulating sterilization device for producing solid beverages, such as Figure 1-Figure 5 As shown, including:

[0036] A rotatably arranged cylinder 5, on which a hopper 25 is provided for placing or discharging solid beverages, and a valve is installed on the hopper 25;

[0037] A plurality of lifting components arranged at intervals in annular direction on the side wall of the cylinder 5 are used to lift part of the solid beverage at the bottom of the inner cavity of the cylinder 5 to the upper part of the inner cavity of the cylinder 5;

[0038] A plurality of first ultraviolet lamps 24 are installed on the side wall of the cylinder 5 at intervals in an annular direction, and are used to sterilize the solid beverage. An installation groove for installing the first ultraviolet lamps 24 can be provided on the inner side wall of the cylinder 5, and a transparent cover can be installed to protect the ultraviolet lamps.

[0039] The blocking component is used to disperse the solid beverage falling from the upper part of the inner cavity of the cylinder 5 and slow down the falling speed. The size of the blocking component can be changed.

[0040] During operation, solid beverages are added into the cylinder 5, and the first ultraviolet lamp 24 emits ultraviolet light to sterilize the solid beverages. Part of the solid beverages at the bottom of the inner cavity of the cylinder 5 are lifted to the upper part of the inner cavity of the cylinder 5 by the lifting component, and then fall onto the blocking component, disperse and slide downward, and are fully irradiated by ultraviolet light in repeated cycles to improve the sterilization effect. The cooperation between the lifting component and the blocking component can reduce the accumulation of solid beverages and cause insufficient irradiation.

[0041] The lifting assembly includes a plurality of cylinder shells 3 fixed on the side wall of the cylinder 5 at intervals in an annular direction, the cylinder shells 3 are communicated with the inner cavity of the cylinder 5, and a plurality of second ultraviolet lamp tubes 23 are installed on the side wall of the cylinder shells 3 at intervals.

[0042] Furthermore, a crushing structure is installed in the cylinder shell 3 for crushing the agglomerated solid beverage so that the solid beverage is fully irradiated by ultraviolet light.

[0043] Furthermore, the crushing structure includes a second stepper motor 21 and a crushing roller 4, the crushing roller 4 is rotatably installed in the cylinder shell 3, the second stepper motor 21 is fixedly installed at one end of the cylinder shell 3 and is driven to connect to the crushing roller 4, and can be driven and connected through a coupling. When working, the crushing roller 4 can be driven to rotate by the second stepper motor 21, and the crushing roller 4 crushes the agglomerated solid beverage.

[0044] In this embodiment, the blocking component includes:

[0045] A mounting shaft 9 coaxially passes through the cylinder 5, the mounting shaft 9 is mounted on a mounting frame, and the cylinder 5 is rotatably mounted on the mounting shaft 9 and can be rotatably mounted via a bearing;

[0046] A plurality of telescopic rod groups are fixed on the mounting shaft 9 at intervals in annular direction, each telescopic rod group comprises at least one pneumatic telescopic rod 8 which is telescopically extended along the mounting shaft 9, and a mounting rod 6 is fixed to the top of the pneumatic telescopic rod 8 of each telescopic rod group, and a through slot is formed on the mounting rod 6;

[0047] The flexible cloth 7 has one end fixedly connected to a mounting rod 6, and the other end is wound around the through slots of all mounting rods 6 in sequence and then wound and fixed on a winding roller 10. The winding roller 10 is rotatably mounted on the mounting shaft 9 through a bracket. A spiral spring is connected between the winding roller 10 and the bracket. The force of the spiral spring on the winding roller 10 makes it have a tendency to roll up the flexible cloth 7, so that the flexible cloth 7 is kept taut.

[0048] A driving mechanism for gradually extending the pneumatic telescopic rod 8.

[0049] During operation, the cylinder 5 rotates to lift part of the solid beverage at the bottom of the inner cavity of the cylinder 5 to the upper part of the inner cavity of the cylinder 5, and then falls on the flexible cloth 7 to disperse and slide downward. In this process, ultraviolet light is used for preliminary irradiation and sterilization. As the driving mechanism drives the pneumatic telescopic rod 8 to gradually extend, the flexible cloth 7 gradually moves toward the inner wall of the cylinder 5 until the mounting rod 6 fits the inner wall of the cylinder 5. The size of the blocking component gradually increases, extending the dispersion and sliding path of the solid beverage, which is gradually irradiated more fully. At the same time, the flexible cloth 7 gradually approaches the inner wall of the cylinder 5, and the distance between the two for the solid beverage to pass through gradually decreases. The thickness of the solid beverage passing through gradually becomes thinner, so that the solid beverage is fully irradiated and the sterilization effect is improved.

[0050] In a specific implementation, the mounting frame includes a base plate 1 and a side plate 2. Two side plates 2 are relatively fixed on the upper surface of the base plate 1 and can be fixed by welding. The mounting shaft 9 is rotatably installed between the two side plates 2. Both ends of the cylinder 5 are fixed with shaft sleeves that can be fixed by welding. The shaft sleeves are sleeved on the mounting shaft 9. A power mechanism for driving the cylinder 5 to rotate is installed on the mounting frame.

[0051] Preferably, the power mechanism includes a first stepper motor, a driving gear and a driven gear, the first stepper motor is fixed to the side plate 2 by bolts, the driving gear is fixed on the output shaft of the first stepper motor, and the driven gear meshing with the driving gear is fixed on the shaft sleeve.

[0052] During operation, the first stepper motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives the cylinder 5 to rotate through the shaft sleeve.

[0053] In a specific implementation, a third stepper motor is fixed on one of the side panels 2 and can be fixed by bolts. The third stepper motor is used to drive the mounting shaft 9 to swing forward and backward, so that the blocking component swings forward and backward at a certain angle, so that the solid beverage can move more fully and be irradiated and sterilized more fully.

[0054] In this embodiment, the driving mechanism includes:

[0055] The cylinder body 15 fixed on a side plate 2 and located below the mounting shaft 9 can be fixed by screws;

[0056] A piston 16 is disposed in the cylinder 15, a movable rod is fixed on the upper surface of the piston 16, the top end of the movable rod passes through the cylinder 15 and is fixed with a movable plate 13, and a compression spring 14 is sleeved on the movable rod between the movable plate 13 and the cylinder 15;

[0057] A cam 11 fixed on the shaft sleeve, wherein the cam 11 can contact with the upper surface of the movable plate 13;

[0058] One end of the cylinder body 15 away from the movable plate 13 is connected to an air intake pipe 17 and an air outlet pipe 12, the air intake pipe 17 is connected to the atmosphere, the other end of the air outlet pipe 12 is connected to the inner cavity of the mounting shaft 9, the inner cavity of the mounting shaft 9 is connected to the inner cavity of the pneumatic telescopic rod 8, the air intake pipe 17 and the air outlet pipe 12 are both installed with a one-way valve, the air outlet pipe 12 is respectively installed with a first air release pipe 18 and a second air release pipe 19 on both sides of the one-way valve, the first air release pipe 18 and the second air release pipe 19 are respectively installed with solenoid valves, the first air release pipe 18 is located on the pipe section of the air outlet pipe 12 close to the cylinder body 15, the air outlet pipe 12 is installed with an air pressure sensor 22, and the air pressure sensor 22 is electrically connected to the solenoid valve on the first air release pipe 18;

[0059] When the power mechanism drives the sleeve to rotate, the sleeve drives the cam 11 to rotate, and the cam 11 cooperates with the compression spring 14 to drive the movable plate 13 to move up and down. The movable plate 13 drives the piston 16 to move up and down through the movable rod. When the piston 16 moves up and down, the air is sucked into the cylinder body 15 through the suction pipe 17, and then sent into the installation shaft 9 through the outlet pipe 12, and then enters the pneumatic telescopic rod 8. With the gradual increase in the amount of air, the pneumatic telescopic rod 8 gradually extends. When the flexible cloth 7 is fully pulled open, the pneumatic telescopic rod 8 can no longer extend. When the air pressure in the cylinder reaches the set value of the air pressure sensor 22, the solenoid valve of the first air release pipe 18 is opened, and the pneumatic telescopic rod 8 is no longer inflated. A timer 20 can be installed on the frame. The timer 20 is electrically connected to the solenoid valve of the second air release pipe 19. After the set sterilization time, the solenoid valve of the second air release pipe 19 is opened, the air in the pneumatic telescopic rod 8 is discharged and reset, and the flexible cloth 7 is wound up by the winding roller 10.

[0060] In this embodiment, the pneumatic telescopic rod 8 includes a rod sleeve and a movable body, and the movable body is movably inserted into the rod sleeve along the length direction of the rod sleeve to form the pneumatic telescopic rod 8. Preferably, when the pneumatic telescopic rod 8 is extended to the maximum distance, the distance between the mounting rod 6 and the inner wall of the cylinder 5 is 0.4-0.6mm.

[0061] Furthermore, there are six groups of telescopic rods in total, and an elastic rope 26 is connected between one end of the movable body of the pneumatic telescopic rod 8 on the upper part of the mounting shaft 9 close to the side wall of the cylinder 5 and the rod sleeve. The elastic rope 26 has resistance to the extension of the pneumatic telescopic rod 8 on the upper part of the mounting shaft 9, so that the pneumatic telescopic rod 8 on the lower part of the mounting shaft 9 is longer than the pneumatic telescopic rod 8 on the upper part, so that the lower flexible cloth 7 can also allow solid beverage to slide down, further slowing down the falling speed.

[0062] In summary, the present invention provides a circulating sterilization device for solid beverage production, and its working principle is as follows:

[0063] Solid beverage is added into the cylinder 5, and the first ultraviolet lamp 24 emits ultraviolet light to sterilize the solid beverage. The cylinder 5 rotates to lift part of the solid beverage at the bottom of the inner cavity of the cylinder 5 to the upper part of the inner cavity of the cylinder 5, and then falls on the flexible cloth 7 and slides downward to disperse. In this process, preliminary irradiation and sterilization are carried out by ultraviolet light. When the power mechanism drives the shaft sleeve to rotate, the shaft sleeve drives the cam 11 to rotate, and the cam 11 cooperates with the compression spring 14 to drive the movable plate 13 to move up and down. The movable plate 13 drives the piston 16 to move up and down through the movable rod. When the piston 16 moves up and down, the air is sucked in through the suction pipe 17. The air is sucked into the cylinder 15, and then sent into the installation shaft 9 through the air outlet pipe 12, and then enters the pneumatic telescopic rod 8. As the amount of air gradually increases, the pneumatic telescopic rod 8 gradually extends, and the flexible cloth 7 gradually moves toward the inner wall of the cylinder 5 until the installation rod 6 fits the inner wall of the cylinder 5, extending the dispersion and sliding path of the solid beverage, which is gradually irradiated more fully. At the same time, the flexible cloth 7 gradually approaches the inner wall of the cylinder 5, and the distance between the two for the solid beverage to pass through is gradually reduced, and the thickness of the solid beverage passing through is gradually thinner, so that the solid beverage is fully irradiated, thereby improving the sterilization effect.

[0064] It should be noted that, for the above embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0065] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A circulating sterilization device for solid beverage production, characterized in that: include: A rotating cylinder; A plurality of lifting components arranged at intervals in annular direction on the side wall of the cylinder body are used to lift part of the solid beverage at the bottom of the cylinder body cavity to the upper part of the cylinder body cavity; A plurality of first ultraviolet lamp tubes installed at intervals in an annular direction on the side wall of the cylinder body are used to sterilize the solid beverage; The barrier component is used for dispersing the solid beverage falling from the upper part of the inner cavity of the cylinder and delaying the falling speed, and the size of the barrier component can be changed.

2. The circulating sterilization device for producing solid beverages according to claim 1, characterized in that: The lifting assembly comprises a plurality of cylinder shells fixed on the side wall of the cylinder at intervals in an annular direction, the cylinder shells are communicated with the inner cavity of the cylinder, and a plurality of second ultraviolet lamp tubes are installed at intervals on the side wall of the cylinder shells.

3. The circulating sterilization device for producing solid beverages according to claim 2, characterized in that: A crushing structure is installed in the cylinder shell for crushing agglomerated solid beverages. The crushing structure includes a second stepper motor and a crushing roller. The crushing roller is rotatably installed in the cylinder shell. The second stepper motor is fixedly installed at one end of the cylinder shell and is driven to connect to the crushing roller.

4. The circulating sterilization device for producing solid beverages according to claim 1, characterized in that: The blocking assembly comprises: A mounting shaft coaxially passing through the cylinder, the mounting shaft being mounted on a mounting frame, and the cylinder being rotatably mounted on the mounting shaft; A plurality of telescopic rod groups are fixed on the mounting shaft at intervals in annular direction, each telescopic rod group comprises at least one pneumatic telescopic rod that is telescoped radially along the mounting shaft, a mounting rod is fixed at the top of the pneumatic telescopic rod of each telescopic rod group, and a through slot is formed on the mounting rod; The flexible cloth has one end fixedly connected to a mounting rod, and the other end is wound around the through slots of all mounting rods in sequence and then wound and fixed on a winding roller. The winding roller is rotatably mounted on the mounting shaft through a bracket, and a spiral spring is connected between the winding roller and the bracket. The force of the spiral spring on the winding roller makes it have a tendency to roll up the flexible cloth; A driving mechanism for gradually extending a pneumatic telescopic rod.

5. The circulating sterilization device for producing solid beverages according to claim 4, characterized in that: The mounting frame includes a bottom plate and a side plate, two side plates are relatively fixed on the upper surface of the bottom plate, the mounting shaft is rotatably mounted between the two side plates, shaft sleeves are fixed at both ends of the cylinder, the shaft sleeves are sleeved on the mounting shaft, and a power mechanism for driving the cylinder to rotate is installed on the mounting frame.

6. The circulating sterilization device for producing solid beverages according to claim 4, characterized in that: The driving mechanism comprises: A cylinder body fixed to a side plate and located below the mounting shaft; A piston is arranged in the cylinder body, a movable rod is fixed on the upper surface of the piston, a top end of the movable rod passes through the cylinder body and is fixed with a movable plate, and a compression spring is sleeved on the movable rod between the movable plate and the cylinder body; A cam fixed on the shaft sleeve, wherein the cam can contact with the upper surface of the movable plate; An air intake pipe and an air outlet pipe are connected to one end of the cylinder body away from the movable plate, the air intake pipe is connected to the atmosphere, the other end of the air outlet pipe is connected to the inner cavity of the mounting shaft, the inner cavity of the mounting shaft is connected to the inner cavity of the pneumatic telescopic rod, and a one-way valve is installed on both the air intake pipe and the air outlet pipe, and a first air discharge pipe and a second air discharge pipe are respectively installed on both sides of the one-way valve on the air outlet pipe, and solenoid valves are respectively installed on the first air discharge pipe and the second air discharge pipe, and the first air discharge pipe is located on the pipe section of the air outlet pipe close to the cylinder body, and an air pressure sensor is installed on the air outlet pipe, and the air pressure sensor is electrically connected to the solenoid valve on the first air discharge pipe.

7. The circulating sterilization device for producing solid beverages according to claim 6, characterized in that: The pneumatic telescopic rod comprises a rod sleeve and a movable body, and the movable body is movably inserted into the rod sleeve along the length direction of the rod sleeve to form the pneumatic telescopic rod.

8. The circulating sterilization device for producing solid beverages according to claim 7, characterized in that: There are six telescopic rod groups in total, and an elastic rope is connected between one end of the movable body of the pneumatic telescopic rod on the upper part of the mounting shaft close to the side wall of the cylinder and the rod sleeve.

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