Cavitation treatment equipment for making small molecular group white spirit

By designing cavitation treatment equipment with cavitation devices and temperature control units, the lack of small molecular cluster baijiu production equipment has been solved, effectively reducing baijiu molecular clusters and improving taste, ensuring temperature control, and enhancing the quality and stability of baijiu.

CN224160583UActive Publication Date: 2026-04-24柏晔堂健康管理(贵州)有限责任公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
柏晔堂健康管理(贵州)有限责任公司
Filing Date
2025-05-16
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The lack of cavitation equipment specifically designed for small-molecule cluster liquor limits its large-scale production and widespread application.

Method used

A device comprising a cavitation unit, a circulation system, and a temperature control unit was designed. The device achieves cavitation treatment of baijiu (Chinese liquor) through dual-chamber or single-chamber circulation using a booster pump and dual Venturi tubes, and maintains a suitable temperature through the temperature control unit to avoid overheating.

Benefits of technology

It effectively reduces the size of the alcohol molecules, improves the taste and stability of the alcohol, ensures that cavitation treatment is carried out at a suitable temperature, avoids damage to the components and flavor of the alcohol due to excessive temperature, and improves the quality of baijiu.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses cavitation treatment equipment for making small molecular group white spirit, which comprises a cavitation device, a first cavitation chamber and a second cavitation chamber, the cavitation device comprises a double-chamber liquid inlet, a single-chamber liquid inlet, a liquid outlet, the first cavitation chamber comprises a first cavity, a second cavity and a first contraction pipe group connected between the first cavity and the second cavity, and the first contraction pipe group is connected between the first cavity and the second cavity. The double-chamber liquid inlet is formed in the first chamber, the second cavitation chamber comprises a third chamber, a fourth chamber and a second shrinkage pipe set connected between the third chamber and the fourth chamber, the single-chamber liquid inlet is formed in the third chamber, and the liquid outlet is formed in the bottom of the fourth chamber; the circulating system comprises a booster pump and is used for driving liquid to perform double-chamber circulation or single-chamber circulation; and the temperature control unit is used for cooling the liquid in the double-chamber circulation or single-chamber circulation process. According to the utility model, white spirit can be fully subjected to cavitation treatment in the circulating process, so that the size of a molecular group of a white spirit body is effectively reduced, and the taste of the white spirit is improved.
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Description

Technical Field

[0001] This utility model relates to the field of liquor manufacturing technology, and in particular to a cavitation treatment device for producing small molecular cluster liquor. Background Technology

[0002] In the production of small-molecule cluster baijiu (Chinese white liquor), cavitation is a crucial step. Cavitation is essentially the process of bubble formation, growth, and collapse in a liquid. During baijiu brewing, cavitation disrupts the hydrogen bonds between water and alcohol molecules, breaking them partially. This damages the original molecular association structure, reducing the size of the baijiu's molecular clusters and transforming large clusters into nano-sized clusters, resulting in a more uniform and delicate liquor. This not only improves the taste, reducing spiciness and making it smoother and more mellow, but also accelerates the mixing and reaction of various components, enhancing the quality and stability of the liquor.

[0003] However, the lack of cavitation equipment specifically designed for small-molecule cluster baijiu in the current technology limits the large-scale production and application of small-molecule cluster baijiu to some extent. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a cavitation treatment device for producing small molecule cluster liquor, specifically targeting the cavitation process in the production of small molecule cluster liquor.

[0005] The technical solution adopted by this utility model to solve its technical problem is: providing a cavitation treatment device for producing small molecule cluster liquor, which includes:

[0006] A cavitation device includes a dual-chamber inlet, a single-chamber inlet, an outlet, a first cavitation chamber, and a second cavitation chamber. The first cavitation chamber includes a first cavity, a second cavity, and a first constriction tube assembly. The first cavity and the second cavity are connected through the first constriction tube assembly. The dual-chamber inlet is located on the first cavity. The second cavitation chamber includes a third cavity, a fourth cavity, and a second constriction tube assembly. The third cavity and the fourth cavity are connected through the second constriction tube assembly. The single-chamber inlet is located on the third cavity, and the outlet is located at the bottom of the fourth cavity.

[0007] A circulation system includes a booster pump, which drives liquid to circulate in a dual-chamber or single-chamber configuration. Dual-chamber circulation refers to the liquid circulating sequentially between a first chamber, a first constriction tube assembly, a second chamber, a third chamber, a second constriction tube assembly, and a fourth chamber. Single-chamber circulation refers to the liquid circulating sequentially between a third chamber, a second constriction tube assembly, and a fourth chamber.

[0008] The temperature control unit is used to cool the liquid during dual-chamber or single-chamber circulation.

[0009] Furthermore, the circulation system also includes a dual-chamber circulating water supply pipe, a return water pipe, a connecting pipe, and a single-chamber circulating water supply pipe;

[0010] One end of the dual-chamber circulating water supply pipe is connected to the outlet of the booster pump, and the other end is connected to the first chamber.

[0011] One end of the return water pipe is connected to the fourth chamber, and the other end is connected to the inlet of the booster pump.

[0012] The connecting tube connects the second chamber to the third chamber;

[0013] One end of the single-chamber circulating water supply pipe is connected to the outlet of the booster pump, and the other end is connected to the connecting pipe and then connected to the third chamber.

[0014] The dual-chamber circulating water supply pipe is equipped with a first valve, the connecting pipe is equipped with a second valve between the connection point with the single-chamber circulating water supply pipe and the second chamber, and the single-chamber circulating water supply pipe is equipped with a third valve.

[0015] Furthermore, the temperature control unit includes a temperature sensor and a cooling device;

[0016] The temperature sensor is located near the inlet of the return water pipe and is used to measure the temperature of the liquid entering the return water pipe.

[0017] The cooling device, in conjunction with the return water pipe, is located downstream of the temperature sensor; it is used to cool the liquid flowing through the return water pipe.

[0018] Furthermore, the cooling device is an evaporator.

[0019] Furthermore, the cavitation device is a tank structure, and the first cavitation chamber and the second cavitation chamber are separated by a partition plate located in the middle of the tank structure.

[0020] Furthermore, the cavitation device is externally covered with a soundproof shell.

[0021] Furthermore, the dual-chamber inlet is equipped with a first control valve, the single-chamber inlet is equipped with a second control valve, and the outlet is equipped with a third control valve.

[0022] Furthermore, both the first and second shrink tube groups include several double Venturi tubes.

[0023] The dual Venturi tubes include an input Venturi tube, an output Venturi tube, and a connecting tube; the connecting tube connects the input Venturi tube and the output Venturi tube, the inlet end of the input Venturi tube is connected to the first chamber or the third chamber, and the outlet end of the output Venturi tube is connected to the second chamber or the fourth chamber; wherein, the throat diameter of the output Venturi tube is smaller than the throat diameter of the input Venturi tube.

[0024] Furthermore, several of the aforementioned double Venturi tubes are evenly arranged on the radial surface of their respective contraction tube groups.

[0025] Furthermore, the inlet end of the input venturi tube is fixedly connected to the front side plate.

[0026] The outlet end of the output venturi tube is fixedly connected to the rear side plate.

[0027] The middle part of the connecting pipe is fixed to the intermediate plate;

[0028] The front panel, the middle panel, and the rear panel form a fixed frame for the first or second shrink tube assembly.

[0029] The beneficial effects of this utility model are as follows:

[0030] This invention enables the liquor to undergo thorough cavitation during circulation, effectively reducing the size of the liquor molecules, thereby improving the taste, quality, and stability of the liquor. Simultaneously, the temperature control unit cools the circulating liquid, ensuring cavitation occurs at a suitable temperature and preventing excessive heat that could exceed the liquor's boiling point and damage its components and flavor. Furthermore, the double Venturi tube design enhances the cavitation effect, resulting in a more uniform and delicate liquor. Additionally, the two cavitation chambers in this invention allow for either dual-chamber or single-chamber circulation depending on the application. Attached Figure Description

[0031] Figure 1 This is an overall structural diagram of the cavitation treatment equipment for producing small molecule cluster liquor provided by this utility model;

[0032] Figure 2 yes Figure 1 A three-dimensional sectional view of the cavitation device;

[0033] Figure 3 yes Figure 1 Enlarged view of the area within the dashed box to show the structure of the double Venturi tube;

[0034] Figure 4 This is a diagram showing the installation of two Venturi tubes on the front, middle, and rear panels.

[0035] Figure 5 This is a diagram illustrating the working principle of an evaporator. Detailed Implementation

[0036] The present invention will be further described in detail below with reference to specific embodiments, but the implementation of the present invention is not limited thereto.

[0037] See Figures 1 to 5 This utility model provides a cavitation treatment device for producing small molecule cluster liquor, including a cavitation device 100, a circulation system 200 and a temperature control unit 300.

[0038] See Figure 1 and Figure 2 The cavitation device 100 includes a dual-chamber inlet 110, a single-chamber inlet 120, an outlet 130, a first cavitation chamber 140, and a second cavitation chamber 150. The first cavitation chamber 140 includes a first chamber 141, a second chamber 142, and a first constriction tube assembly 143. The first chamber 141 and the second chamber 142 are connected through the first constriction tube assembly 143. The dual-chamber inlet 110 is directly connected to the first chamber 141. The second cavitation chamber 150 includes a third chamber 151, a fourth chamber 152, and a second constriction tube assembly 153. The third chamber 151 and the fourth chamber 152 are connected through the second constriction tube assembly 153. The single-chamber inlet 120 is directly connected to the third chamber 151, and the outlet 130 is directly connected to the bottom of the fourth chamber 152.

[0039] See Figure 1 and Figure 2The circulation system 200 includes a booster pump 210, a dual-chamber circulation water supply pipe 220, a return water pipe 230, a connecting pipe 240, and a single-chamber circulation water supply pipe 250. One end of the dual-chamber circulation water supply pipe 220 is connected to the outlet of the booster pump 210, and the other end is connected to the first chamber 141. One end of the return water pipe 230 is connected to the fourth chamber 152, and the other end is connected to the inlet of the booster pump 210. The connecting pipe 240 connects the second chamber 142 and the third chamber 151. One end of the single-chamber circulation water supply pipe 250 is connected to the dual-chamber circulation water supply pipe 220 and is connected to the outlet of the booster pump 210, and the other end is connected to the connecting pipe 240 and is connected to the third chamber 151. A first valve 260 is installed on the dual-chamber circulating water supply pipe 220 (the first valve 260 is located downstream of the connection point between the single-chamber circulating water supply pipe 250 and the dual-chamber circulating water supply pipe 220), a second valve 270 is installed on the connecting pipe 240 (the second valve 270 is located upstream of the connection point between the single-chamber circulating water supply pipe 250 and the connecting pipe 240), and a third valve 280 is installed on the single-chamber circulating water supply pipe 250. By controlling the opening and closing of the first valve 260, the second valve 270, and the third valve 280, dual-chamber circulation and single-chamber circulation can be achieved. In the dual-chamber circulation mode, the liquor enters through the dual-chamber inlet 110, filling the first cavitation chamber 140 and the second cavitation chamber 150. Then, the first valve 260 and the second valve 270 are opened, and the third valve 280 is closed. Subsequently, the booster pump 210 is started, and the liquor circulates sequentially between the first chamber 141, the first contraction tube assembly 143, the second chamber 142, the third chamber 151, the second contraction tube assembly 153, and the fourth chamber 152. In the single-chamber circulation mode, the liquor enters through the single-chamber inlet 120, filling the second cavitation chamber 150. Then, the first valve 260 and the second valve 270 are closed, and the third valve 280 is opened. Subsequently, the booster pump 210 is started, and the liquor circulates sequentially between the third chamber 151, the second contraction tube assembly 153, and the fourth chamber 152.

[0040] See Figure 1 The temperature control unit 300 includes a temperature sensor 310 and a cooling device 320. The temperature sensor 310 is located near the inlet of the return water pipe 230 and is used to measure the temperature of the liquid entering the return water pipe 230. The cooling device 320 is located downstream of the temperature sensor 310 in conjunction with the return water pipe 230 and is used to cool the liquid flowing through the return water pipe 230.

[0041] In the above structure, when the liquor circulates under the power of the booster pump 210, it flows through the first contraction tube group 143 or the second contraction tube group 153. The contraction of the tubes will cause a sudden drop in the pressure of the liquor, forming cavitation. When the cavitation bubbles collapse, the micro-jet and shock wave generated will exert a strong shear force on the surrounding liquor, directly tearing the physical bonds between macromolecules (such as van der Waals forces and hydrogen bonds) or destroying the molecular chains, thereby breaking down the macromolecular clusters (such as the macromolecular cluster structure of water molecules and alcohol molecules) into small molecular clusters, realizing the small molecular clustering treatment of baijiu, thereby improving the quality and taste of baijiu, reducing the spiciness of baijiu, and making it more mellow and smooth.

[0042] During cavitation, the mechanical energy released by the collapse of cavitation bubbles is partially converted into heat, thus heating the wine. Therefore, this invention specifically includes a temperature control unit 300 to monitor the temperature of the circulating wine in real time during operation. If the temperature is too high, the cooling device 320 is activated in time to reduce the temperature of the circulating wine, preventing it from exceeding the boiling point and damaging the wine's components and flavor.

[0043] In this embodiment, a section of the return water pipe 230 passes through a closed space, where a cooling device 320, which is an evaporator, is installed. For details, see [link to documentation]. Figure 5 The compressor, condenser, expansion valve, and evaporator are connected by pipes to form a closed refrigeration cycle system. During operation, the compressor, as the power source for the entire refrigeration cycle, compresses the low-temperature, low-pressure gaseous refrigerant from the evaporator into a high-temperature, high-pressure gaseous refrigerant. The high-temperature, high-pressure refrigerant flows out of the compressor and into the condenser. The outdoor unit's fan dissipates the heat of the refrigerant to the outside, causing it to change from a gaseous to a liquid state. After exiting the condenser, the high-temperature, high-pressure liquid refrigerant passes through the expansion valve, which throttles, reduces its pressure and temperature, turning it into a low-temperature, low-pressure liquid. This low-temperature, low-pressure liquid refrigerant then flows out of the expansion valve and into the evaporator. The evaporator's blower draws hot air from the return water pipe 230 through the evaporator. The refrigerant absorbs the heat from this hot air and evaporates into a low-temperature, low-pressure gaseous state. The hot air, after passing through the evaporator, cools down to cold air, thus cooling the enclosed space and lowering the temperature of the refrigerant within the return water pipe 230. The low-temperature, low-pressure gaseous refrigerant in the evaporator is drawn back into the compressor. This cycle is then repeated to keep the refrigeration process running and continuously cool the wine circulating in the return pipe 230.

[0044] In addition, see Figure 1 and Figure 2The cavitation device 100 has a tank structure. The first cavitation chamber 140 and the second cavitation chamber 150 are separated by a partition plate 160 located in the middle of the tank structure. The dual-chamber inlet 110 is equipped with a first control valve 170, the single-chamber inlet 120 is equipped with a second control valve 180, and the outlet 130 is equipped with a third control valve 190.

[0045] Additionally, see Figure 1 The cavitation device 100 is covered with a soundproof shell 400, which can be composed of soundproof cotton and a corresponding outer shell. The soundproof cotton is wrapped around the cavitation device 100 to reduce the noise generated when the cavitation device 100 is running.

[0046] Among them, see Figure 3 and Figure 4 The first and second contraction tube groups 143 and 153 each include several double Venturi tubes 1a. Each double Venturi tube 1a includes an input Venturi tube 1a1, an output Venturi tube 1a2, and a connecting tube 1a3. The connecting tube 1a3 connects the input Venturi tube 1a1 and the output Venturi tube 1a2. The inlet end of the input Venturi tube 1a1 is connected to either the first chamber 141 or the third chamber 151, and the outlet end of the output Venturi tube 1a2 is connected to either the second chamber 142 or the fourth chamber 152. The throat diameter of the output Venturi tube 1a2 is smaller than that of the input Venturi tube 1a1. Furthermore, the inlet diameter of the output Venturi tube 1a2 is slightly smaller than the outlet diameter of the input Venturi tube 1a1, and the diameter of the connecting tube 1a3 gradually decreases along the liquid flow direction.

[0047] See Figure 2 Several double Venturi tubes 1a are evenly arranged on the radial surface of their respective contraction tube groups. See also Figure 3 and Figure 4 The inlet end of the input venturi tube 1a1 is fixedly connected to the front plate 1b, the outlet end of the output venturi tube 1a2 is fixedly connected to the rear plate 1c, the middle part of the connecting tube 1a3 is fixed to the middle plate 1d, and the edges of the front plate 1b, the middle plate 1d and the rear plate 1c are connected by an annular plate to form a fixed frame for the first shrink tube group 143 or the second shrink tube group 153.

[0048] Preferred, see Figure 3 and Figure 4 The input venturi tube 1a1 and the connecting tube 1a3 are connected and welded together through the first annular tube 1a4. The output venturi tube 1a2 and the connecting tube 1a3 are connected and welded together through the second annular tube 1a5.

[0049] In the aforementioned dual Venturi tubes 1a, the throat diameters of the two Venturi tubes gradually decrease. The input Venturi tube 1a1 performs a gentle breaking action, avoiding excessive shearing at once and damaging heat-sensitive components. The output Venturi tube 1a2, on the other hand, performs extreme shearing to thoroughly decompose stubborn large molecular clusters based on the first shearing action. Since the inlet diameter of the output Venturi tube 1a2 is slightly smaller than the outlet diameter of the input Venturi tube 1a1, and the diameter of the connecting pipe 1a3 gradually decreases along the liquid flow direction, a conical transition section is formed between the two stages of Venturi tubes. This conical transition section eliminates turbulent disturbances at the outlet of the input Venturi tube 1a1. Through a differentiated contraction ratio design, the dual Venturi tubes 1a improve cavitation effect and quality while ensuring cavitation intensity.

[0050] Typically, the ratio of the inlet diameter of the output venturi tube 1a2 to the outlet diameter of the input venturi tube 1a1 is between 0.75 and 0.9. The ratio of the throat diameter of the output venturi tube 1a2 to the throat diameter of the input venturi tube 1a1 is between 0.4 and 0.7.

[0051] The working principle of this utility model is as follows:

[0052] When producing small-molecule cluster baijiu, the baijiu to be processed is fed into the cavitation device 100 through a dual-chamber inlet 110 or a single-chamber inlet 120. Depending on the amount of baijiu to be processed, the processing time, and other process requirements, a dual-chamber circulation mode or a single-chamber circulation mode can be selected. Before entering the cavitation device 100, the baijiu can be preheated to a certain extent so that it has a certain amount of heat and can be maintained between 40°C and 60°C for circulation after entering the cavitation device 100.

[0053] When performing dual-chamber circulation, the first control valve 170 is opened, and the second control valve 180 and the third control valve 190 are closed. Then, the liquor is filled into the first cavitation chamber 140 and the second cavitation chamber 150 through the dual-chamber inlet 110. After filling, the first control valve 170 is closed, and then the first valve 260 and the second valve 270 are opened while the third valve 280 is closed. After that, the booster pump 210 is started to drive the liquor to circulate sequentially between the first chamber 141, the first contraction tube group 143, the second chamber 142, the third chamber 151, the second contraction tube group 153, and the fourth chamber 152 (i.e., dual-chamber circulation).

[0054] When performing single-chamber circulation, the second control valve 180 is opened, and the first control valve 170 and the third control valve 190 are closed. Then, the liquor is filled into the second cavitation chamber 150 through the single-chamber inlet 120. After filling, the second control valve 180 is closed, and then the third valve 280 is opened while the first valve 260 and the second valve 270 are closed. After that, the booster pump 210 is started to drive the liquor to circulate between the third chamber 151, the second contraction tube group 153, and the fourth chamber 152 in sequence (i.e., single-chamber circulation).

[0055] During the circulation process, the temperature sensor 310 of the temperature control unit 300 monitors the temperature of the wine in real time. When the temperature is about to exceed the threshold, the cooling device 320 is activated to cool the liquid flowing through the return water pipe 230, ensuring that the cavitation process is carried out at a suitable temperature (e.g., between 40°C and 60°C).

[0056] After a period of cyclic cavitation treatment, the large molecular clusters in the liquor are fully broken down into small molecular clusters; then, by opening the third control valve 190 of the liquid outlet 130, the liquor can be discharged, resulting in small molecular cluster liquor.

[0057] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cavitation treatment device for producing small-molecule cluster liquor, characterized in that, include: A cavitation device (100) includes a dual-chamber inlet (110), a single-chamber inlet (120), an outlet (130), a first cavitation chamber (140), and a second cavitation chamber (150). The first cavitation chamber (140) includes a first chamber (141), a second chamber (142), and a first constriction tube assembly (143). The first chamber (141) and the second chamber (142) are connected through the first constriction tube assembly (143). The dual-chamber inlet (110) is... 10) The second cavitation chamber (150) is disposed on the first chamber (141); the second cavitation chamber (150) includes a third chamber (151), a fourth chamber (152) and a second contraction tube assembly (153), the third chamber (151) and the fourth chamber (152) are connected through the second contraction tube assembly (153), the single-chamber liquid inlet (120) is disposed on the third chamber (151) and the liquid outlet (130) is disposed at the bottom of the fourth chamber (152); The circulation system (200) includes a booster pump (210) for driving liquid to circulate in a dual-chamber or single-chamber manner; wherein, the dual-chamber circulation refers to the liquid circulating sequentially between the first chamber (141), the first constriction tube assembly (143), the second chamber (142), the third chamber (151), the second constriction tube assembly (153), and the fourth chamber (152); and the single-chamber circulation refers to the liquid circulating sequentially between the third chamber (151), the second constriction tube assembly (153), and the fourth chamber (152). Temperature control unit (300) is used to cool the liquid during dual-chamber or single-chamber circulation.

2. The cavitation treatment equipment for producing small-molecule cluster liquor according to claim 1, characterized in that, The circulation system (200) also includes a dual-chamber circulation water supply pipe (220), a return water pipe (230), a connecting pipe (240), and a single-chamber circulation water supply pipe (250); One end of the dual-chamber circulating water supply pipe (220) is connected to the outlet of the booster pump (210), and the other end is connected to the first chamber (141); One end of the return water pipe (230) is connected to the fourth chamber (152), and the other end is connected to the inlet of the booster pump (210); The connecting pipe (240) connects the second chamber (142) to the third chamber (151); One end of the single-chamber circulating water supply pipe (250) is connected to the outlet of the booster pump (210), and the other end is connected to the connecting pipe (240) and then connected to the third chamber (151); The dual-chamber circulating water supply pipe (220) is provided with a first valve (260), the connecting pipe (240) is provided with a second valve (270) between the connection point with the single-chamber circulating water supply pipe (250) and the second chamber (142), and the single-chamber circulating water supply pipe (250) is provided with a third valve (280).

3. The cavitation treatment equipment for producing small-molecule cluster liquor according to claim 2, characterized in that, The temperature control unit (300) includes a temperature sensor (310) and a cooling device (320); The temperature sensor (310) is located near the inlet of the return water pipe (230) and is used to measure the temperature of the liquid entering the return water pipe (230). The cooling device (320) is located downstream of the temperature sensor (310) in conjunction with the return water pipe (230); it is used to cool the liquid flowing through the return water pipe (230).

4. The cavitation treatment equipment for producing small-molecule cluster liquor according to claim 3, characterized in that, The cooling device (320) is an evaporator.

5. The cavitation treatment equipment for producing small-molecule cluster liquor according to claim 1, characterized in that, The cavitation device (100) is a tank structure, and the first cavitation chamber (140) and the second cavitation chamber (150) are separated by a partition plate (160) located in the middle of the tank structure.

6. The cavitation treatment equipment for producing small-molecule cluster liquor according to claim 1, characterized in that, The cavitation device (100) is externally covered by a soundproof casing (400).

7. The cavitation treatment equipment for producing small-molecule cluster liquor according to claim 1, characterized in that, The dual-chamber inlet (110) is equipped with a first control valve (170), the single-chamber inlet (120) is equipped with a second control valve (180), and the outlet (130) is equipped with a third control valve (190).

8. A cavitation treatment device for producing small-molecule cluster liquor according to any one of claims 1 to 7, characterized in that, The first and second shrink tube groups (143 and 153) each include a plurality of double Venturi tubes (1a); The dual Venturi tubes (1a) include an input Venturi tube (1a1), an output Venturi tube (1a2), and a connecting tube (1a3); the connecting tube (1a3) is connected between the input Venturi tube (1a1) and the output Venturi tube (1a2), the inlet end of the input Venturi tube (1a1) is connected to the first chamber (141) or the third chamber (151), and the outlet end of the output Venturi tube (1a2) is connected to the second chamber (142) or the fourth chamber (152); wherein, the throat diameter of the output Venturi tube (1a2) is smaller than the throat diameter of the input Venturi tube (1a1).

9. A cavitation treatment device for producing small-molecule cluster liquor according to claim 8, characterized in that, Several of the aforementioned double Venturi tubes (1a) are evenly arranged on the radial surface of their respective contraction tube groups.

10. A cavitation treatment device for producing small-molecule cluster liquor according to claim 9, characterized in that, The inlet end of the input venturi tube (1a1) is fixedly connected to the front side plate (1b); The outlet end of the output venturi tube (1a2) is fixedly connected to the rear side plate (1c); The middle part of the connecting pipe (1a3) is fixed on the intermediate plate (1d); The front side plate (1b), the middle plate (1d), and the rear side plate (1c) form a fixed frame for the first shrink tube group (143) or the second shrink tube group (153).