阅读说明：本技术 一种无菌果粒饮料混合系统 (Sterile fruit grain beverage mixing system ) 是由 李前勇 许健 陆健锋 滕杰 于 2020-10-23 设计创作，主要内容包括：本发明公开了一种无菌果粒饮料混合系统,包括：第一管路、设于第一管路上的第一气动调节阀；一端与第一管路连通的第二管路、依次设于第二管路上的第一气动无菌T型阀、第二气动调节阀、第二气动无菌T型阀；第三管路、分别与第三管路连通的第四管路和第五管路；依次设于第四管路上的第一气动换向阀、与第二管路连接的第一气动T型阀、第二气动换向阀、与第二气动无菌T型阀的第二气动T型阀；依次设于第五管路上的与第一气动无菌T型阀连接的第三气动T型阀、与第二气动换向阀连接的第三气动换向阀。本发明一种无菌果粒饮料混合系统,不但能保证物料与果粒在无菌条件下的输送,而且能保证无菌物料与果粒混合时阀门切换过程中的无菌性。(The invention discloses a sterile fruit grain beverage mixing system, which comprises: the pneumatic control system comprises a first pipeline and a first pneumatic regulating valve arranged on the first pipeline; the first pipeline is communicated with the second pipeline at one end, and the first pneumatic sterile T-shaped valve, the second pneumatic regulating valve and the second pneumatic sterile T-shaped valve are sequentially arranged on the second pipeline; the third pipeline, the fourth pipeline and the fifth pipeline are respectively communicated with the third pipeline; the first pneumatic reversing valve, the first pneumatic T-shaped valve, the second pneumatic reversing valve and the second pneumatic T-shaped valve are sequentially arranged on the fourth pipeline; and the third pneumatic T-shaped valve is connected with the first pneumatic sterile T-shaped valve and the third pneumatic reversing valve is connected with the second pneumatic reversing valve, and the third pneumatic sterile T-shaped valve and the third pneumatic reversing valve are sequentially arranged on the fifth pipeline. The sterile fruit grain beverage mixing system not only can ensure the conveying of materials and fruit grains under the sterile condition, but also can ensure the sterility in the valve switching process when the sterile materials and the fruit grains are mixed.)

1. An aseptic fruit pellet beverage mixing system characterized by: comprises a material conveying unit, a fruit grain conveying unit and a steam shielding unit;

the material conveying unit comprises a first pipeline and a first pneumatic regulating valve arranged on the first pipeline;

the fruit conveying unit comprises a second pipeline, a first pneumatic sterile T-shaped valve, a second pneumatic sterile regulating valve and a second pneumatic sterile T-shaped valve, wherein one end of the second pipeline is communicated with the first pipeline, and the first pneumatic sterile T-shaped valve, the second pneumatic sterile regulating valve and the second pneumatic sterile T-shaped valve are sequentially arranged on the second pipeline along the direction close to the communication position;

the steam shielding unit comprises a third pipeline with one end used for introducing SIP steam or shielding steam, and a fourth pipeline and a fifth pipeline which are respectively communicated with the other end of the third pipeline;

the steam shielding unit further comprises a first pneumatic reversing valve, a first pneumatic T-shaped valve, a second pneumatic reversing valve and a second pneumatic T-shaped valve which are sequentially arranged on the fourth pipeline along the direction far away from the communication position; the first pneumatic T-shaped valve is connected with the second pipeline through a sixth pipeline, and the connection position is arranged between the first pneumatic sterile T-shaped valve and the second pneumatic regulating valve; the second pneumatic T-shaped valve is connected with the second pneumatic sterile T-shaped valve through a seventh pipeline;

the steam shielding unit further comprises a third pneumatic T-shaped valve and a third pneumatic reversing valve which are sequentially arranged on the fifth pipeline along the direction far away from the communication position; the third pneumatic T-shaped valve is connected with the first pneumatic sterile T-shaped valve through an eighth pipeline; and the third pneumatic reversing valve is connected with the second pneumatic reversing valve through a ninth pipeline.

2. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the hybrid system is still including locating and be used for adjusting on the first pipeline first flowmeter of first pneumatic control valve opening, locate on the second pipeline and be used for adjusting the second flowmeter of second pneumatic control valve opening.

3. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the hybrid system is still including locating first temperature sensor on the fourth pipeline, locate second temperature sensor on the fifth pipeline.

4. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the mixing system also comprises a tenth pipeline and an eleventh pipeline which are communicated with one end of the third pipeline, a first pneumatic valve arranged on the tenth pipeline and a second pneumatic valve arranged on the eleventh pipeline.

5. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the mixing system further comprises a twelfth pipeline and a thirteenth pipeline which are communicated with the fourth pipeline, a third pneumatic valve and a first manual valve which are arranged on the twelfth pipeline, a fourth pneumatic valve and a winding pipe which are arranged on the thirteenth pipeline, and the communication position is located on one side, away from the second pneumatic reversing valve, of the second pneumatic T-shaped valve.

6. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the mixing system also comprises a fourteenth pipeline and a fifteenth pipeline which are communicated with the fifth pipeline, a drain valve arranged on the fourteenth pipeline and a fifth pneumatic valve arranged on the fifteenth pipeline, wherein the communication position is positioned on one side of the third pneumatic reversing valve, which is far away from the third pneumatic T-shaped valve.

7. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the hybrid system is still including locating and be located on the fourth pipeline first pneumatic T type valve is kept away from the sixth pneumatic valve of first pneumatic switching-over valve one side, is located on the fourth pipeline and be located the pneumatic T type valve of second is kept away from the seventh pneumatic valve of second pneumatic switching-over valve one side, is located on the fifth pipeline and be located the pneumatic T type valve of third is kept away from the eighth pneumatic valve of third pneumatic switching-over valve one side.

8. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the hybrid system still include with the sixteenth pipeline that first pneumatic switching-over valve is connected locates manual valve of second and first check valve on the sixteenth pipeline.

9. An aseptic fruit pellet beverage mixing system as defined in claim 1, wherein: the mixing system also comprises a seventeenth pipeline communicated with the ninth pipeline, a third manual valve and a second one-way valve which are arranged on the ninth pipeline.

Technical Field

The invention relates to the technical field of beverage production, in particular to a sterile fruit grain beverage mixing system.

Background

At present, the materials and the fruit particles are mixed and conveyed under the aseptic condition, and the requirements are difficult to meet, particularly, the phenomenon of product pollution caused by microbial pollution is occasionally caused in the switching process of a valve for mixing the aseptic materials and the fruit particles.

Disclosure of Invention

The invention aims to provide an aseptic fruit grain beverage mixing system which can not only ensure the conveying of materials and fruit grains under an aseptic condition, but also ensure the sterility in the valve switching process when the aseptic materials and the fruit grains are mixed.

In order to achieve the purpose, the invention adopts the technical scheme that:

an aseptic fruit grain beverage mixing system comprises a material conveying unit, a fruit grain conveying unit and a steam shielding unit;

the material conveying unit comprises a first pipeline and a first pneumatic regulating valve arranged on the first pipeline;

the fruit conveying unit comprises a second pipeline, a first pneumatic sterile T-shaped valve, a second pneumatic sterile regulating valve and a second pneumatic sterile T-shaped valve, wherein one end of the second pipeline is communicated with the first pipeline, and the first pneumatic sterile T-shaped valve, the second pneumatic sterile regulating valve and the second pneumatic sterile T-shaped valve are sequentially arranged on the second pipeline along the direction close to the communication position;

the steam shielding unit comprises a third pipeline with one end used for introducing SIP steam or shielding steam, and a fourth pipeline and a fifth pipeline which are respectively communicated with the other end of the third pipeline;

the steam shielding unit further comprises a first pneumatic reversing valve, a first pneumatic T-shaped valve, a second pneumatic reversing valve and a second pneumatic T-shaped valve which are sequentially arranged on the fourth pipeline along the direction far away from the communication position; the first pneumatic T-shaped valve is connected with the second pipeline through a sixth pipeline, and the connection position is arranged between the first pneumatic sterile T-shaped valve and the second pneumatic regulating valve; the second pneumatic T-shaped valve is connected with the second pneumatic sterile T-shaped valve through a seventh pipeline;

the steam shielding unit further comprises a third pneumatic T-shaped valve and a third pneumatic reversing valve which are sequentially arranged on the fifth pipeline along the direction far away from the communication position; the third pneumatic T-shaped valve is connected with the first pneumatic sterile T-shaped valve through an eighth pipeline; and the third pneumatic reversing valve is connected with the second pneumatic reversing valve through a ninth pipeline.

Preferably, the mixing system further comprises a first flow meter arranged on the first pipeline and used for adjusting the opening degree of the first pneumatic regulating valve, and a second flow meter arranged on the second pipeline and used for adjusting the opening degree of the second pneumatic regulating valve.

Preferably, the mixing system further comprises a first temperature sensor arranged on the fourth pipeline and a second temperature sensor arranged on the fifth pipeline.

Preferably, the mixing system further comprises a tenth pipeline and an eleventh pipeline communicated with one end of the third pipeline, a first pneumatic valve arranged on the tenth pipeline, and a second pneumatic valve arranged on the eleventh pipeline.

Preferably, the mixing system further comprises a twelfth pipeline and a thirteenth pipeline communicated with the fourth pipeline, a third pneumatic valve and a first manual valve arranged on the twelfth pipeline, a fourth pneumatic valve and a winding pipe arranged on the thirteenth pipeline, and the communication position is located on one side, away from the second pneumatic reversing valve, of the second pneumatic T-shaped valve.

Preferably, the mixing system further comprises a fourteenth pipeline and a fifteenth pipeline which are communicated with the fifth pipeline, a drain valve arranged on the fourteenth pipeline, and a fifth pneumatic valve arranged on the fifteenth pipeline, wherein the communication position is located on one side of the third pneumatic reversing valve, which is far away from the third pneumatic T-shaped valve.

Preferably, the hybrid system further includes a sixth pneumatic valve located on the fourth pipeline and located the first pneumatic T-shaped valve is away from one side of the first pneumatic directional valve, a seventh pneumatic valve located on the fourth pipeline and located the second pneumatic T-shaped valve is away from one side of the second pneumatic directional valve, an eighth pneumatic valve located on the fifth pipeline and located the third pneumatic T-shaped valve is away from one side of the third pneumatic directional valve.

Preferably, the mixing system further comprises a sixteenth pipeline connected with the first pneumatic reversing valve, and a second manual valve and a first one-way valve which are arranged on the sixteenth pipeline.

Preferably, the mixing system further comprises a seventeenth pipeline communicated with the ninth pipeline, and a third manual valve and a second one-way valve which are arranged on the ninth pipeline.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention relates to an aseptic fruit grain beverage mixing system, which can ensure the transportation of materials and fruit grains under an aseptic condition and the sterility in the valve switching process when aseptic materials and fruit grains are mixed through a unique valve bank design (comprising a first pneumatic aseptic T-shaped valve, a second pneumatic aseptic T-shaped valve, a first pneumatic reversing valve, a first pneumatic T-shaped valve, a second pneumatic reversing valve, a second pneumatic T-shaped valve, a third pneumatic T-shaped valve and a third pneumatic reversing valve), thereby greatly reducing the possibility of product pollution caused by microbial pollution in the process.

Through this unique valve block design, still have following advantage:

the CIP cleaning process under different working conditions can be realized, more efficient CIP cleaning can be realized (cleaning of all pipelines is not interfered with each other), meanwhile, the cleaning dead angle can be avoided, especially the residual phenomenon of fruit grains can be avoided, and the CIP cleaning efficiency is improved;

after the pipeline is cleaned fully by CIP, steam SIP sterilization is adopted, and more reliable sterile conditions are realized through steam shielding.

Drawings

FIG. 1 is a schematic structural diagram of the apparatus of the present invention.

Wherein: 1. a first pipeline; 2. a first pneumatic regulating valve; 3. a second pipeline; 4. a first pneumatic sterile T-valve; 5. a second pneumatic regulating valve; 6. a second pneumatic sterile T-valve; 7. a third pipeline; 8. a fourth pipeline; 9. a fifth pipeline; 10. a first pneumatic directional control valve; 11. a first pneumatic T-valve; 12. a second pneumatic directional control valve; 13. a second pneumatic T-valve; 14. a sixth pipeline; 15. a seventh pipeline; 16. a third pneumatic T-valve; 17. a third pneumatic directional control valve; 18. an eighth pipeline; 19. a ninth conduit; 20. a first flow meter; 21. a second flow meter; 22. a first temperature sensor; 23. a second temperature sensor; 24. a tenth pipeline; 25. an eleventh line; 26. a first pneumatic valve; 27. a second pneumatic valve; 28. a twelfth pipeline; 29. a thirteenth pipeline; 30. a third pneumatic valve; 31. a first manual valve; 32. a fourth pneumatic valve; 33. winding the tube; 34. a fourteenth pipeline; 35. a fifteenth pipeline; 36. a drain valve; 37. a fifth pneumatic valve; 38. a sixth pneumatic valve; 39. a seventh pneumatic valve; 40. an eighth pneumatic valve; 41. a sixteenth pipeline; 42. a second manual valve; 43. a first check valve; 44. a seventeenth pipeline; 45. a third manual valve; 46. a second one-way valve.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

Referring to fig. 1, the above-mentioned sterile fruit grain beverage mixing system includes a material conveying unit, a fruit grain conveying unit, and a steam shielding unit.

The material conveying unit comprises a first pipeline 1 and a first pneumatic regulating valve 2 arranged on the first pipeline 1. In the present embodiment, the mixing system further includes a first flow meter 20 disposed on the first pipeline 1 and used for adjusting the opening degree of the first pneumatic regulating valve 2. The first flowmeter 20 monitors the medium flow in the first pipeline 1 in real time, and directly adjusts the opening of the first pneumatic adjusting valve 2 according to the requirement, so that the medium flow in the first pipeline 1 meets the requirement.

The fruit conveying unit comprises a second pipeline 3, a first pneumatic sterile T-shaped valve 4, a second pneumatic sterile regulating valve 5 and a second pneumatic sterile T-shaped valve 6, wherein one end of the second pipeline 3 is communicated with the first pipeline 1, and the first pneumatic sterile T-shaped valve, the second pneumatic sterile T-shaped valve and the second pneumatic sterile T-shaped valve are sequentially arranged on the second pipeline 3 along the direction close to the communicated position. In the present embodiment, the mixing system further comprises a second flow meter 21 arranged on the second pipeline 3 and used for adjusting the opening degree of the second pneumatic regulating valve 5. The second flowmeter 21 monitors the medium flow in the second pipeline 3 in real time, and directly adjusts the opening of the second pneumatic regulating valve 5 according to the requirement, so that the medium flow in the second pipeline 3 meets the requirement.

The steam shielding unit comprises a third pipeline 7 with one end used for introducing SIP steam or shielding steam, and a fourth pipeline 8 and a fifth pipeline 9 which are respectively communicated with the other end of the third pipeline 7.

In this embodiment, the mixing system further includes a tenth line 24 and an eleventh line 25 communicating with one end of the third line 7, a first pneumatic valve 26 provided on the tenth line 24, and a second pneumatic valve 27 provided on the eleventh line 25. A tenth line 24 is used for the introduction of SIP steam and an eleventh line 25 is used for the introduction of barrier steam.

The steam shielding unit further comprises a first pneumatic reversing valve 10, a first pneumatic T-shaped valve 11, a second pneumatic reversing valve 12 and a second pneumatic T-shaped valve 13 which are sequentially arranged on the fourth pipeline 8 along the direction far away from the communication position. The first pneumatic T-shaped valve 11 is connected with the second pipeline 3 through a sixth pipeline 14, and the connection position is arranged between the first pneumatic sterile T-shaped valve 4 and the second pneumatic regulating valve 5. The second pneumatic T-valve 13 is connected to the second pneumatic sterile T-valve 6 via a seventh line 15.

The steam shielding unit further comprises a third pneumatic T-shaped valve 16 and a third pneumatic reversing valve 17 which are sequentially arranged on the fifth pipeline 9 along the direction far away from the communication position. The third pneumatic T-shaped valve 16 is connected with the first pneumatic sterile T-shaped valve 4 through an eighth pipeline 18; the third pneumatic directional valve 17 is connected to the second pneumatic directional valve 12 via a ninth line 19.

The mixing system further comprises a first temperature sensor 22 arranged on the fourth pipeline 8 and a second temperature sensor 23 arranged on the fifth pipeline 9. Through setting up temperature sensor, have following advantage:

during steam SIP sterilization, when the first temperature sensor 22, the second temperature sensor 23 and the temperature sensor at the rear end of the material pipeline reach the set sterilization temperature simultaneously, SIP sterilization timing is started. In the steam SIP sterilization process, when any temperature sensor detects that the temperature is lower than a set value by a certain difference value, the system stops timing until all temperature sensors detect that the temperature reaches the set value, and the system restarts timing until the sterilization time reaches the set time;

in the steam shielding process, when any one of the first temperature sensor 22, the second temperature sensor 23 and the temperature sensor at the rear end of the material pipeline detects that the shielding temperature is lower than a set value, the system gives an alarm, and when the duration is longer than the set time, the system gives out a sterile destruction signal, so that the whole system needs to perform steam SIP sterilization again.

In this embodiment, the mixing system further comprises a twelfth line 28 and a thirteenth line 29 communicated with the fourth line 8, a third pneumatic valve 30 and a first manual valve 31 provided on the twelfth line 28, a fourth pneumatic valve 32 provided on the thirteenth line 29, and a winding pipe 33, wherein the communication is located on the side of the second pneumatic T-shaped valve 13 away from the second pneumatic direction valve 12. By providing the winding tube 33, the following advantages are provided:

in the CIP cleaning process, the residual fruit grains in the pipeline can be removed;

when SIP and steam shielding are performed, the annular winding pipe 33 plays a role similar to the steam trap 36, so that the phenomenon of fruit particle blockage when the conventional steam trap 36 is adopted is avoided.

The mixing system further comprises a fourteenth pipeline 34 and a fifteenth pipeline 35 communicated with the fifth pipeline 9, a drain valve 36 arranged on the fourteenth pipeline 34, and a fifth pneumatic valve 37 arranged on the fifteenth pipeline 35, wherein the communication position is on the side, away from the third pneumatic T-shaped valve 16, of the third pneumatic reversing valve 17.

The mixing system further comprises a sixth pneumatic valve 38 arranged on the fourth pipeline 8 and located on the side of the first pneumatic T-shaped valve 11 away from the first pneumatic directional control valve 10, a seventh pneumatic valve 39 arranged on the fourth pipeline 8 and located on the side of the second pneumatic T-shaped valve 13 away from the second pneumatic directional control valve 12, and an eighth pneumatic valve 40 arranged on the fifth pipeline 9 and located on the side of the third pneumatic T-shaped valve 16 away from the third pneumatic directional control valve 17.

The mixing system further comprises a sixteenth conduit 41 connected to the first pneumatic reversal valve 10, a second manual valve 42 and a first one-way valve 43 provided on the sixteenth conduit 41.

The mixing system further comprises a seventeenth line 44 communicating with the ninth line 19, a third manual valve 45 and a second non-return valve 46 provided on the ninth line 19.

The T-shaped valves are provided with an upper valve cavity and a lower valve cavity, and have different communication states in different technological processes. The reversing valve is used for reversing the medium in the corresponding pipeline.

In this embodiment, the distance between the first pneumatic aseptic T-valve 4 and the third pneumatic T-valve 16 is required to be shortest, the distance between the second pneumatic aseptic T-valve 6 and the second pneumatic T-valve 13 is required to be shortest, the distance between the second pneumatic aseptic T-valve 6 and the first pipeline 1 is required to be shortest, and the distance between the first pneumatic T-valve 11 and the second pipeline 3 is required to be shortest. So that: the residue of materials in the pipeline, especially the residue of fruit particles is reduced; the pipe CIP is ensured to be cleaned, and the problem that bacteria are possibly infected due to residue is prevented; ensuring the thoroughness of SIP steam sterilization.

The following specifically explains the working process of this embodiment:

a. cleaning by CIP:

(1) the particle pipeline and the material main pipeline are cleaned by CIP at the same time;

cleaning conditions of a material main pipeline: b, entering a first flow meter 20 and a first pneumatic regulating valve 2-A;

the CIP cleaning liquid enters the material pipeline from the B, at the moment, the first pneumatic regulating valve 2 is electrified and opened, when the first flowmeter 20 detects that the CIP cleaning flow reaches a set value, CIP cleaning timing is started until the cleaning timing is finished, and CIP cleaning of the material main pipeline is finished.

Fruit grain pipeline cleaning condition:

one path of the liquid flows along the path C, the first pneumatic sterile T-shaped valve 4, the second pneumatic regulating valve 5, the second flowmeter 21, the second pneumatic sterile T-shaped valve 6, the second pneumatic T-shaped valve 13, the second pneumatic reversing valve 12 and the second one-way valve 46-G;

the other path goes along C-the first pneumatic sterile T-shaped valve 4-the third pneumatic T-shaped valve 16-the third pneumatic reversing valve 17-the third manual valve 45-G. This way the third pneumatic T-valve 16 is intermittently opened.

And (3) the cleaning liquid enters the particle pipeline from the C, at the moment, the first pneumatic sterile T-shaped valve 4 is electrified and opened, the third pneumatic T-shaped valve 16 is electrified and opened (intermittently opened), the second pneumatic T-shaped valve 13 is electrified and opened, the second pneumatic regulating valve 5 is electrified and opened, and the second pneumatic reversing valve 12 and the third pneumatic reversing valve 17 are electrified and switched to a CIP cleaning position.

During the cleaning of fruit grain pipeline CIP, when CIP washs the timing and begins, seventh pneumatic valve 39 intermittent type nature is opened, and when seventh pneumatic valve 39 opened, fourth pneumatic valve 32 opened simultaneously, carries out CIP interval to this section pipeline and washs this moment, discharges through winding pipe 33.

(2, the CIP cleaning is firstly carried out on the material main pipeline;

the first path goes along B to a first flow meter 20 and a first pneumatic regulating valve 2-A;

the second way enters along the path B, and then enters a second pneumatic sterile T-shaped valve 6, a second pneumatic T-shaped valve 13, a second pneumatic reversing valve 12, a sixth pneumatic valve 38, a first pneumatic T-shaped valve 11, a first pneumatic reversing valve 10, a second manual valve 42 and a first one-way valve 43-F;

the third path is along B-the second pneumatic sterile T-valve 6-the second flow meter 21-the second pneumatic regulating valve 5-the first pneumatic T-valve 11, when the first pneumatic T-valve 11 is intermittently opened.

During this cleaning process, the seventh pneumatic valve 39 is intermittently turned on, and when the seventh pneumatic valve 39 is turned on, the fourth pneumatic valve 32 is simultaneously turned on, and this time, CIP interval cleaning is performed on the section of the pipeline, and discharging is performed through the winding pipe 33.

(3) Cleaning the fruit grain pipeline by CIP;

one path of the liquid flows along the path C, the first pneumatic sterile T-shaped valve 4, the second pneumatic regulating valve 5, the second flowmeter 21, the second pneumatic sterile T-shaped valve 6, the second pneumatic T-shaped valve 13, the second pneumatic reversing valve 12 and the second one-way valve 46-G;

the other path goes along C-the first pneumatic sterile T-shaped valve 4-the third pneumatic T-shaped valve 16-the third pneumatic reversing valve 17-the third manual valve 45-G. This way the third pneumatic T-valve 16 is intermittently opened.

During this cleaning process, the seventh pneumatic valve 39 is intermittently turned on, and when the seventh pneumatic valve 39 is turned on, the fourth pneumatic valve 32 is simultaneously turned on, and this time, CIP interval cleaning is performed on the section of the pipeline, and discharging is performed through the winding pipe 33.

b. Steam SIP sterilization:

steam SIP sterilization is divided into three paths to be carried out simultaneously:

(1) and (3) sterilizing the material pipeline by using steam SIP:

a inlet, a first pneumatic regulating valve 2 and a first flow meter 20-B outlet; the second pneumatically sterile T-valve 6 remains open during this process.

(2) And (3) sterilizing fruit grain pipelines by steam SIP:

c inlet-first pneumatic aseptic T-valve 4-second pneumatic regulating valve 5-second flow meter 21-second pneumatic aseptic T-valve 6-second pneumatic T-valve 13-seventh pneumatic valve 39-first temperature sensor 22-fourth pneumatic valve 32-winding pipe 33; in this process, the fourth pneumatic valve 32 is intermittently opened to discharge the steam condensate.

(3) Steam shielding pipeline SIP sterilization:

the first road edge D enters-the first pneumatic valve 26-the first pneumatic directional control valve 10-the first pneumatic T-valve 11-the sixth pneumatic valve 38-the second pneumatic directional control valve 12-the second pneumatic T-valve 13-the seventh pneumatic valve 39-the first temperature sensor 22-the fourth pneumatic valve 32-the winding pipe 33;

the other path enters the first pneumatic valve 26, the eighth pneumatic valve 40, the third pneumatic T-shaped valve 16, the second temperature sensor 23, the third pneumatic reversing valve 17, the fifth pneumatic valve 37 (the drain valve 36).

In the process, the third pneumatic T-shaped valve 16 is kept electrified and opened, and the fifth pneumatic valve 37 is intermittently opened to discharge the steam condensate.

c. Steam shielding:

when the SIP sterilization of steam is finished, the steam shielding is opened immediately, and the steam shielding is divided into two paths:

the first road edge E enters the second pneumatic valve 27, the first pneumatic reversing valve 10, the first pneumatic T-shaped valve 11, the sixth pneumatic valve 38, the second pneumatic reversing valve 12, the second pneumatic T-shaped valve 13, the seventh pneumatic valve 39, the first temperature sensor 22 and the third pneumatic valve 30; in this process, the first pneumatic T-valve 11 and the second pneumatic T-valve 13 are normally closed. The third pneumatic valve 30 is intermittently turned on to perform the discharge of the steam condensate.

The second road edge E enters a second air-operated valve 27, an eighth air-operated valve 40, a third air-operated T-shaped valve 16, a second temperature sensor 23, a third air-operated directional control valve 17, a fifth air-operated valve 37 (a water-discharging valve 36); during this process, the third pneumatic T-valve 16 is normally closed. The fifth air-operated valve 37 is intermittently turned on to perform the discharge of the steam condensate.

d. Normal production flow:

when the system sends out a production signal, the system enters a production state:

material pipeline: a in-first pneumatic regulating valve 2-first flow meter 20-B out.

Fruit grain pipeline: c inlet-first pneumatic aseptic T-shaped valve 4-second pneumatic regulating valve 5-second flowmeter 21-second pneumatic aseptic T-shaped valve 6-B outlet.

In the process, the second pneumatic T-shaped valve 13, the first pneumatic T-shaped valve 11 and the third pneumatic T-shaped valve 16 are all in a normally closed state; the first pneumatic sterile T-shaped valve 4 and the second pneumatic sterile T-shaped valve 6 are in a normally open state.

The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.