CN218262426U

CN218262426U - Condensation assembly

Info

Publication number: CN218262426U
Application number: CN202221827629.XU
Authority: CN
Inventors: 黄治国; 曾永仲; 刘学臻; 张世磊
Original assignee: Sichuan Gulin Xiantan Winery Co ltd
Current assignee: Sichuan Gulin Xiantan Winery Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-01-10
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a condensation component, which comprises an outer cylinder and a condensation unit positioned in the outer cylinder, wherein the condensation unit is provided with a steam pipe component, and the local part of the steam pipe component can rotate; the outer barrel is provided with a wine collecting unit, the wine collecting unit is connected with the condensing unit, and the wine collecting unit distinguishes condensed white spirit through the temperature of wine steam entering the steam pipe assembly. The utility model discloses the type that wine steam can be judged to the wine unit is received in the utilization setting to white spirit to the different grade type after the condensation stores alone, and its part of steam pipe assembly that sets up simultaneously can rotate, the convenient loading and unloading to wine rice steamer lid.

Description

Condensation assembly

Technical Field

The utility model relates to a technical field, concretely relates to condensation subassembly are made to white spirit.

Background

The distilled liquor is made up by using grain as main raw material, using Daqu, xiaoqu or bran koji and yeast as saccharification leaven and making them pass through the processes of cooking, saccharifying, fermenting and distilling. Also known as distilled liquor, old white spirit, knife, etc. The wine is colorless (or yellowish) and transparent, has aromatic and pure smell, is sweet and clean in mouth, has high alcohol content, and has compound fragrance with esters as main body after being stored and aged. The yeast and yeast are used as saccharifying ferment, starchiness (saccharine) raw material is used, and various wines are brewed by steaming, saccharifying, fermenting, distilling, ageing and blending.

In the white spirit distillation process, the commonly used devices are a wine retort and a condensing barrel, the fermented grains are filled into the wine retort in a retort filling mode, steam is introduced into the bottom of the wine retort to heat, the temperature of the fermented grains in the wine retort is raised, alcohol in the alcohol is vaporized and enters the condensing barrel through a steam pipeline, and the alcohol is subjected to heat exchange with cooling water, so that the steam of the alcohol is condensed into liquid, and the white spirit is obtained. At present, in the process of distilling white spirit, because the types of the white spirit condensed by the white spirit steam with different temperatures are different, the traditional condensing device is inconvenient to distinguish and collect different types of white spirit; meanwhile, the existing steam pipeline is inconvenient to move the wine retort cover in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough among the prior art, aim at provides a condensation subassembly, utilizes to set up the type that receives wine unit and can judge wine steam to carry out the individual storage to the white spirit of different grade type after the condensation, its part of steam pipe subassembly of setting simultaneously can rotate, convenient loading and unloading to wine rice steamer lid.

The utility model discloses a following technical scheme realizes:

a condensation assembly comprises an outer barrel and a condensation unit positioned in the outer barrel, wherein a steam pipe assembly is arranged on the condensation unit, and part of the steam pipe assembly can rotate; the outer barrel is provided with a wine receiving unit, the wine receiving unit is connected with the condensing unit, and the wine receiving unit distinguishes condensed white wine through the temperature of wine steam entering the steam pipe assembly.

Furthermore, a first temperature measuring unit connected with the wine collecting unit is arranged in the steam pipe assembly, and the first temperature measuring unit is positioned at the end of the steam pipe assembly far away from the condensing unit.

Further, the condensing unit comprises an upper tray body, a lower tray body and a plurality of condensing pipes, cavities are formed in the upper tray body and the lower tray body, the steam pipe assembly is communicated with the cavities of the upper tray body, the wine collecting unit is communicated with the cavities of the lower tray body, and two ends of each condensing pipe are communicated with the cavities of the upper tray body and the lower tray body respectively.

Furthermore, an exhaust pipe is further arranged on the lower disc body and communicated with the cavity of the lower disc body, and the outlet end of the exhaust pipe is located at the upper end of the outer cylinder.

Furthermore, the lower tray body is of a conical structure with a downward conical tip, and the wine collecting unit is communicated with the conical tip of the lower tray body.

Furthermore, receive the wine unit and include fluid-discharge tube, flow wine pipe and a plurality of wine discharging port, fluid-discharge tube one end runs through behind the urceolus with the awl point department of lower disk body intercommunication, the other end and flow wine pipe intercommunication, the wine discharging port respectively with flow wine pipe intercommunication, and all be provided with the solenoid valve on each wine discharging port.

Furthermore, a second temperature measuring unit is arranged in the liquid discharge pipe.

Furthermore, a water inlet pipe and an overflow pipe are further arranged on the outer cylinder, the height of the overflow pipe is larger than that of the water inlet pipe, and the outlet end of the exhaust pipe is higher than the communication position of the overflow pipe and the outer cylinder.

Further, the steam pipe assembly comprises a first connecting pipe, a rotating head and a second connecting pipe which are connected in sequence, one end of the second connecting pipe is communicated with the cavity of the upper disc body, the other end of the second connecting pipe is movably connected with the rotating head, and the other end of the rotating head is communicated with the first connecting pipe.

Further, the steam pipe assembly further comprises a sealing sleeve, the sealing sleeve is sleeved at the joint of the rotating head and the second connecting pipe, a plurality of sealing rings are arranged in the sealing sleeve, and the sealing rings are respectively sleeved on the rotating head and the second connecting pipe.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model can measure the liquor steam of different types by utilizing the first temperature measuring unit arranged in the pipeline, and then the liquor of different types is separately stored by utilizing the arranged liquor collecting unit, thereby realizing the accurate collection of the liquor of different types;

2. the utility model can rapidly condense wine steam by utilizing the arranged condensing unit, and simultaneously, the exhaust pipe arranged on the lower tray body can prevent the wine steam generated in the moment from entering the condensing assembly, so that the steam quantity is too large, and the condition of explosion in the condensing assembly is caused;

3. the utility model discloses because its part of the steam pipe subassembly that sets up can rotate for when loading and unloading wine rice steamer lid, steam pipe subassembly and wine rice steamer lid linkage segment can follow wine rice steamer lid and remove together, the convenient fast loading and unloading to wine rice steamer, and guaranteed wine rice steamer at the in-process of loading and unloading, the steam pipe subassembly of setting is in the state of intercommunication all the time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the lower plate of the present invention;

FIG. 3 is a schematic structural view of the wine collecting unit of the present invention;

fig. 4 is a schematic structural view of the steam pipe assembly of the present invention.

Reference numbers and corresponding part names in the figures:

7. a second connecting pipe; 11. a sealing sleeve; 15. a flange plate; 19. rotating the head; 20. a first connecting pipe; 21. a liquid discharge pipe; 22. A condenser tube; 23. a lower tray body; 24. supporting legs; 25. an exhaust pipe; 26. an upper tray body; 27. connecting holes; 28. a steam tube assembly; 29. a second temperature measuring unit; 30. a first temperature measuring unit; 31. a wine flowing pipe; 32-solenoid valve; 33. discharging wine; 34. a water inlet pipe; 35. an outer cylinder; 36. and (4) an overflow pipe.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Examples

As shown in fig. 1 to 4, the present invention comprises an outer barrel 35 and a condensing unit located in the outer barrel 35, wherein the condensing unit is provided with a steam pipe assembly 28, and a part of the steam pipe assembly 28 can rotate; the outer barrel 35 is provided with a wine collecting unit, the wine collecting unit is connected with a condensing unit, and the wine collecting unit distinguishes condensed white spirit through the temperature of wine steam entering the steam pipe assembly 28.

Aiming at the problem that in the prior art, when white spirit is distilled, the white spirit steam generated in the spirit steamer enters a condensation barrel through a steam pipe connected with the spirit steamer so as to achieve the aim of condensing the spirit steam, but because the spirit types of the spirit steam with the same temperature are different, namely when the temperature of the spirit steam is 78.5-82 ℃, the spirit type is head spirit, when the temperature of the spirit steam is 82-92 ℃, the spirit type is middle spirit, when the temperature of the spirit steam is 92-95 ℃, the spirit type is tail spirit, when the temperature of the spirit steam is more than 95 ℃, the spirit type is tail water, different types of spirit steam need to be distinguished and stored in the brewing process, the traditional condensation barrel is not convenient for distinguishing different types of spirit, therefore, a spirit collecting unit connected with the condensation unit is arranged on the outer barrel 35, the wine collecting unit can judge the type of wine according to the temperature of the wine steam entering the steam pipe assembly 28 and distinguish and discharge different types of wine, so that different types of wine can be stored separately, when in use, cooling water needs to be added into the outer barrel 35 to force the cooling water to submerge the condensing unit positioned in the outer barrel 35, as one end of the arranged steam pipe assembly 28 is connected with the condensing unit and the other end is connected with the wine steamer cover on the wine steamer, when the wine steamer heats to generate wine steam, the wine steam is transmitted into the condensing unit through the arranged steam pipe assembly 28, the heat exchange is carried out between the arranged condensing unit and the cooling water in the outer barrel 35, the purpose of cooling the wine steam entering the condensing unit is achieved, and the cooled white wine is judged according to the temperature of the white wine entering the steam pipe assembly 28 through the collecting unit, then, different types of white spirits are distinguished and collected.

Simultaneously, traditional steam pipe is connected with wine rice steamer lid is fixed, because the steam pipe is the hard metal material, lead to being not convenient for load and unload the wine rice steamer lid on the wine rice steamer, for this reason, this technical scheme sets the steam pipe subassembly into local rotatable structure, make when loading and unloading the wine rice steamer lid on the wine rice steamer, because the local of steam pipe subassembly can rotate, consequently make steam pipe subassembly can follow wine rice steamer lid linkage segment and remove together, and steam pipe subassembly then need not to remove with the condensing unit linkage segment, thereby realized the purpose to wine rice steamer lid fast loading and unloading on the wine rice steamer.

A first temperature measuring unit 30 connected with the wine collecting unit is arranged in the steam pipe assembly 28, and the first temperature measuring unit 30 is located at the end, far away from the condensing unit, of the steam pipe assembly 28.

In order to judge the type of the wine steam when the wine steam generated in the wine retort enters the steam pipe assembly 28, the first temperature measuring unit 30 is arranged in the steam pipe assembly 28, the first temperature measuring unit 30 is close to the wine retort cover, the temperature of the wine steam generated in the wine retort can be quickly measured by the first temperature measuring unit 30, the temperature of the wine steam is prevented from being reduced in the process of conveying the wine steam in the steam pipe assembly 28 due to the fact that the first temperature measuring unit 30 is arranged close to the wine retort cover, and therefore the type of the wine steam actually measured is influenced.

The condensing unit comprises an upper tray body 26, a lower tray body 23 and a plurality of condensing pipes 22, cavities are formed in the upper tray body 26 and the lower tray body 23, the steam pipe assembly 28 is communicated with the cavity of the upper tray body 26, the wine collecting unit is communicated with the cavity of the lower tray body 23, and two ends of each condensing pipe 22 are respectively communicated with the cavities of the upper tray body 26 and the lower tray body 23.

In order to realize rapid cooling of different types of wine steam, the condensing unit in the technical scheme comprises an upper tray 26, a lower tray 23 and a plurality of condensing pipes 22 connected between the upper tray 26 and the lower tray 23, the condensing pipes 22 are communicated with cavities of the upper tray 26 and the lower tray 23, a plurality of supporting legs 24 are arranged at the bottom of the lower tray 23 and used for fixedly placing the condensing unit in an outer barrel 35, meanwhile, a steam pipe assembly 28 is communicated with the cavity of the upper tray 26, when the condensing unit is used, cooling water is introduced into the outer barrel 35 to submerge the upper tray 26, after the wine steam in the wine retort enters the steam pipe assembly 28, the wine steam enters the upper tray 26 through the steam pipe assembly 28 and then enters the lower tray 23 through the arranged condensing pipes 22, the wine steam utilizes the cooling water to fully perform heat exchange in the transmission process, and the cooled wine is discharged through the arranged wine collecting unit.

The surfaces of the lower tray 23 and the upper tray 26 facing each other are further provided with a plurality of coupling holes 27 communicating with the cavity, and the condensation duct 22 is positioned in the coupling holes 27.

In order to facilitate the assembly of the cold chain unit, a plurality of connecting holes 27 are formed in the top of the lower tray 23 and the bottom of the upper tray 26, and during processing, the two ends of the condensation pipe 22 are welded at the condensation holes through the connecting holes 27, so that the condensation pipe 22, the lower tray 23 and the upper tray 26 can be assembled quickly.

The condenser tubes 22 are distributed in an annular array about the center of the upper tray 26 and the lower tray 23.

In order to ensure that the wine steam in the condensing assembly can be uniformly cooled, the condensing pipes 22 are annularly and integrally distributed between the upper tray body 26 and the lower tray body 23, so that the wine steam in the upper tray body 26 can uniformly enter the condensing pipes 22.

An exhaust pipe 25 is further arranged on the lower disc body 23, the exhaust pipe 25 is communicated with the cavity of the lower disc body 23, and the outlet end of the exhaust pipe 25 is located at the upper end of the outer cylinder 35.

In order to prevent the phenomenon that the wine retort is exploded in the condensing assembly due to the fact that the amount of steam which is instantly generated and enters the condensing assembly is too large in the heating process of the wine retort, an L-shaped exhaust pipe 25 is further arranged on the lower tray body 23, one end of the exhaust pipe 25 is communicated with the inside of the cavity of the lower tray body 23, the other end of the exhaust pipe is vertically upward, the upper end of the exhaust pipe 25 is higher than cooling liquid in the using process, and the cooling liquid outside the cooling assembly is prevented from entering the lower tray body 23 through the exhaust pipe 25; in actual use, can connect the holding vessel at the port department of blast pipe 25, holding vessel and external atmosphere intercommunication make partly wine steam can collect in the holding vessel when discharging from blast pipe 25 like this, also can realize preventing to enter into the condition emergence that steam is too big to lead to the explosion in the condensation subassembly in the twinkling of an eye simultaneously.

The lower tray body 23 is of a conical structure with a downward conical tip, and the wine collecting unit is communicated with the conical tip of the lower tray body 23.

In order to facilitate the discharge of the condensed white spirit through the spirit collection unit, the lower disc body 23 adopts a conical structure, so that the condensed white spirit can automatically flow into the spirit collection unit under the action of gravity.

The wine collecting unit comprises a liquid discharge pipe 21, a wine flowing pipe 31 and a plurality of wine discharging openings 33, one end of the liquid discharge pipe 21 is communicated with the conical tip of the lower tray body 23, the other end of the liquid discharge pipe is communicated with the wine flowing pipe 31, the wine discharging openings 33 are respectively communicated with the wine flowing pipe 31, each wine discharging opening 33 is provided with an electromagnetic valve 32, and the electromagnetic valves 32 are connected with the first temperature measuring unit 30.

In order to realize the differentiated storage of the white spirit condensed by different types of wine steam, the wine collecting unit adopted in the technical scheme comprises a liquid discharge pipe 21, a wine flowing pipe 31 and a plurality of wine discharge ports 33, a PLC (programmable logic controller) is further arranged on an outer cylinder 35, the controller is respectively connected with a first temperature measuring unit 30 and an electromagnetic valve 32, one end of the wine flowing pipe 31 is communicated with the liquid discharge pipe 21, the other end of the wine flowing pipe 31 is respectively communicated with each wine discharge port 33, and the arranged liquid discharge pipe 21 is communicated with the conical tip of the lower tray body 23, so that the white spirit enters the liquid discharge pipe 21 through the lower tray body 23 after entering the condensing assembly to be condensed into liquid, and the white spirit in the liquid discharge pipe 21 enters the wine discharge ports 33 through the wine flowing pipe 31; when the wine steam in the wine retort enters the condensation assembly through the steam pipe assembly 28, the first temperature measuring unit 30 arranged in the steam pipe assembly 28 can measure the temperature of the wine steam, and then the opening or closing of the electromagnetic valve 32 on each wine discharge opening 33 is controlled by the controller according to the measured temperature, so that the separate storage of different types of wine steam is realized.

Three wine discharge openings 33 are formed.

In the technical scheme, the condensed white spirit at four different temperatures of the spirit steam is stored separately, three spirit discharging ports 33 are arranged, wherein the spirit and the tail spirit need to be introduced into the spirit retort again to be distilled, so that the spirit and the wine share one spirit discharging port, and the middle spirit and the tail water respectively use one spirit discharging port 33, so that the temperature of the spirit steam is measured by the first temperature measuring unit 30 arranged in the steam pipe assembly 28, and then the opening of the electromagnetic valve 32 on the corresponding spirit discharging port 33 is controlled by the controller according to the measured temperature, thereby realizing the separate collection of the spirits of different types.

A second temperature measuring unit 29 is also arranged in the liquid discharge pipe 21.

This technical scheme is in order to guarantee that the condensation subassembly can effectively advance the cooling to wine steam, so still be provided with second temperature cell 29 in fluid-discharge tube 21, and second temperature cell 29 also is connected with the controller, and when second temperature cell 29 measured the white spirit temperature in the fluid-discharge tube 21 and is higher than the default, need supply new cooling water in the urceolus 35, guarantees that the condensation subassembly can carry out effective condensation to wine steam.

The first temperature measuring unit 30 and the second temperature measuring unit 29 are both temperature sensors.

The outer cylinder 35 is further provided with a water inlet pipe 34 and an overflow pipe 36, the height of the overflow pipe 36 is larger than that of the water inlet pipe 34, and the outlet end of the exhaust pipe 25 is higher than the communication position of the overflow pipe 36 and the outer cylinder 35.

One end of the arranged water inlet pipe 34 is inserted into the outer cylinder 35, the other end of the arranged water inlet pipe is connected with an external water pump, the controller is also connected with the water pump, and cooling water can be introduced into the water inlet pipe 34 by utilizing the water pump, so that the purpose of adding the cooling water into the outer cylinder 35 is realized; in order to prevent the cooling water from overflowing to the processing area due to the excessive cooling liquid introduced into the outer cylinder 35, an overflow pipe 36 is further arranged on the outer cylinder 35, the overflow pipe 36 is connected with an external water tank, and the excessive cooling water can be transferred into the water tank through the arranged overflow pipe 36 to be stored, so that the cooling water is effectively prevented from overflowing to the processing area.

Meanwhile, in order to prevent the cooling liquid in the outer cylinder 35 from flowing back into the exhaust pipe 25, the port of the exhaust pipe 25 is set higher than the overflow pipe 36, and the cooling water introduced into the outer cylinder 35 is ensured to enter the exhaust pipe 25.

The steam pipe assembly comprises a first connecting pipe 20, a rotating head 19 and a second connecting pipe 7 which are sequentially connected, one end of the second connecting pipe 7 is communicated with the cavity of the upper disc body 26, the other end of the second connecting pipe is movably connected with the rotating head 19, and the other end of the rotating head 19 is communicated with the first connecting pipe 20.

In order to realize the convenient loading and unloading to wine rice steamer lid, the steam pipe subassembly among this technical scheme includes first connecting pipe 20, rotating head 19 and second connecting pipe 7, utilize rotating head 19 and second connecting pipe 7 to rotate and be connected, make first connecting pipe 20 can follow rotating head 19 and rotate, and first connecting pipe 20 is connected with wine rice steamer lid, consequently when needs load and unload wine rice steamer lid, because first connecting pipe 20 can be fairly rotated with second connecting pipe 7, make first connecting pipe 20 rotate together with wine rice steamer lid, simultaneously at the pivoted in-process, first connecting pipe 20 and second connecting pipe 7 can remain the intercommunication all the time under rotating head 19's effect.

The steam pipe assembly further comprises a sealing sleeve 11, the sealing sleeve 11 is sleeved at the joint of the rotating head 19 and the second connecting pipe 7, a plurality of sealing rings are arranged in the sealing sleeve 11, and the sealing rings are respectively sleeved on the rotating head 19 and the second connecting pipe 7.

In order to ensure the air tightness between the rotating head 19 and the second connecting pipe 7, a sealing sleeve 11 is further provided, the sealing sleeve 11 is sleeved at the joint of the rotating head 19 and the second connecting pipe 7, and a plurality of sealing rings respectively sleeved on the rotating head 19 and the second connecting pipe 7 are further arranged in the sealing sleeve 11, so that the air tightness of the rotating head 19 in the rotating process is ensured.

In order to ensure the stability of the connection between the rotary head 19 and the second connection pipe 7, flanges 15 are provided on both the sealing sleeve 11 and the second connection pipe 7, and the two flanges 15 are fixed together by bolts, thereby ensuring the stability between the rotary head 19 and the second connection pipe 7.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The condensation assembly is characterized by comprising an outer barrel (35) and a condensation unit positioned in the outer barrel (35), wherein a steam pipe assembly (28) is arranged on the condensation unit, and part of the steam pipe assembly (28) can rotate;

the outer barrel (35) is provided with a wine receiving unit, the wine receiving unit is connected with a condensing unit, and the wine receiving unit distinguishes condensed white wine through the temperature of wine steam entering the steam pipe assembly (28).

2. A condensation unit according to claim 1, characterized in that a first temperature measuring unit (30) connected to the wine collecting unit is provided in the steam pipe assembly (28), and the first temperature measuring unit (30) is located at an end of the steam pipe assembly (28) facing away from the condensation unit.

3. A condensation unit according to claim 1, characterized in that the condensation unit comprises an upper tray (26), a lower tray (23) and a plurality of condensation pipes (22), wherein cavities are arranged inside the upper tray (26) and the lower tray (23), the steam pipe assembly (28) is communicated with the cavity of the upper tray (26), the wine collecting unit is communicated with the cavity of the lower tray (23), and two ends of each condensation pipe (22) are respectively communicated with the cavities of the upper tray (26) and the lower tray (23).

4. A condensation unit according to claim 3, characterized in that the lower tray (23) is further provided with an exhaust pipe (25), the exhaust pipe (25) is communicated with the cavity of the lower tray (23), and the outlet end of the exhaust pipe (25) is located at the upper end of the outer cylinder (35).

5. A condensation unit according to claim 3, characterized in that the lower tray (23) is a cone structure with a downward cone tip, and the wine collecting unit is communicated with the cone tip of the lower tray (23).

6. The condensation assembly according to claim 5, wherein the wine collecting unit further comprises a liquid discharge pipe (21), a wine flowing pipe (31) and a plurality of wine discharge ports (33), one end of the liquid discharge pipe (21) penetrates through the outer barrel (35) and then is communicated with the conical tip of the lower tray body (23), the other end of the liquid discharge pipe is communicated with the wine flowing pipe (31), the wine discharge ports (33) are respectively communicated with the wine flowing pipe (31), and each wine discharge port (33) is provided with an electromagnetic valve (32).

7. A condensation unit according to claim 6, characterized in that a second temperature measuring unit (29) is arranged in the drain pipe (21).

8. A condensation unit according to claim 4, characterized in that the outer cylinder (35) is further provided with a water inlet pipe (34) and an overflow pipe (36), the height of the overflow pipe (36) is larger than the height of the water inlet pipe (34), and the outlet end of the exhaust pipe (25) is higher than the connection between the overflow pipe (36) and the outer cylinder (35).

9. A condensation assembly according to claim 3, characterized in that said steam pipe assembly comprises a first connection pipe (20), a rotary head (19) and a second connection pipe (7) connected in sequence, said second connection pipe (7) having one end communicating with the cavity of the upper disc body (26) and the other end movably connected with the rotary head (19), said rotary head (19) having the other end communicating with the first connection pipe (20).

10. A condensation unit according to claim 3, characterized in that the steam pipe assembly further comprises a sealing sleeve (11), the sealing sleeve (11) is sleeved on the joint of the rotating head (19) and the second connection pipe (7), a plurality of sealing rings are arranged in the sealing sleeve (11), and the sealing rings are respectively sleeved on the rotating head (19) and the second connection pipe (7).