A kind of white wine pressure-stabilizing distillation device

Abstract

The invention discloses a white wine pressure-stabilizing distillation device, which relates to the technical field of distillation equipment; it comprises a steamer barrel; the steamer barrel is connected to a condenser through an air guide pipe, a liquid outlet pipe is provided on the condenser, and a shunt structure is provided at the liquid outlet pipe; the shunt structure comprises a track frame, a shunt plate is slidably installed on the track frame; a plurality of through grooves are arranged in parallel on the shunt plate, a collecting cup is placed in the through grooves, guide cups with the same shape as the collecting cup are placed at both ends of the shunt plate, and a guide pipe inclined to one side of the track frame is installed on the guide cup; pin holes located on the same axis are opened on the collecting cup and the guide cup in the area where the shunt plate is passed through, a pressure rod is installed on the side of the shunt plate away from the condenser, and the pressure rod passes through the pin holes on each guide cup and the collecting cup. The device does not require manual real-time observation and switching, and can accurately realize the separation of wine head, wine liquid and wine tail, thereby improving the quality of white wine.

Description

Technical Field

[0001] The invention relates to the technical field of distillation equipment, in particular to a white wine pressure-stabilizing distillation device. Background Art

[0002] Chinese liquor is one of the six major distilled liquors in the world. The fermented mother lees has an ethanol content of about 5%, and also contains a large number of flavor components in very small amounts. Distillation is required to extract the ethanol and flavor components contained in it. Distillation is to use the different volatility of the liquid components in the mother lees to extract the ethanol and flavor components contained in the mother lees by heating, vaporizing and condensing, and remove harmful impurities. It is commonly known as "roasting liquor". Liquor distillation is mainly divided into two types: distillation from solid mash and purification from liquor.

[0003] The main process of distilling wine is that when the steam rises in the steamer, the workers manually load the mother dregs gently into the steamer, and load the materials while the steam is rising until the steamer is full. The steam in the steamer is in full contact with the mother dregs, and the gas and liquid exchange heat and cold. Ethanol and other aromatic substances are continuously vaporized. The vaporized steam enters the condenser and re-condenses into liquid, and a high-alcohol liquor with a higher alcohol concentration can be obtained. The steamer barrel filled with mother dregs can be regarded as a packing tower. The mother dregs loaded are both the material to be distilled and the packing. The substances in the entire steamer barrel are intertwined, forming a complex interface relationship where liquid, gas, and solid phases exist at the same time.

[0004] When liquor is distilled, as the distillation temperature continues to rise, the flow time gradually increases, and the alcohol concentration gradually tends from high concentration to low concentration. According to quality requirements, a process operation that needs to separate medium and high concentrations of alcohol is called wine extraction. The tail of the wine contains some toxic and harmful components, and these components will remain in the pipeline and flow out with the head of the wine during the next distillation. Therefore, when extracting the wine, the head and tail of the wine need to be separated, and only the middle section of the wine needs to be extracted. In each distillation process, the head and tail of the wine need to be manually judged by experienced operators and switched at the appropriate time, but the accuracy of this method cannot be effectively guaranteed, and because it requires staff to closely observe at all times, it is also a heavy workload for the staff. Summary of the invention

[0005] The purpose of the present invention is to provide a white wine pressure-stabilizing distillation device to solve the problems raised in the above-mentioned background technology. A distillation device is proposed that can automatically collect the liquor in the transition stages of the head, liquid and tail, so that the staff can obtain high-quality liquor without real-time observation and operation, reduce the difficulty of operation, and improve the quality of the liquor.

[0006] To achieve the above object, the present invention provides the following technical solutions: A device for stabilizing the distillation of liquor under a constant pressure, comprising a steamer barrel and a condenser; the steamer barrel is connected to the condenser through an air guide pipe, the condenser is provided with a liquid outlet pipe, and a shunt structure is provided at the liquid outlet pipe; the shunt structure comprises a support frame, a track frame is connected between the support frames, and a shunt plate is slidably mounted on the track frame; a plurality of through grooves are arranged in parallel on the shunt plate, a collecting cup is placed in the through grooves, guide cups of the same shape as the collecting cup are placed at both ends of the shunt plate, and a guide pipe inclined to one side of the track frame is installed on the guide cup; pin holes located on the same axis are arranged on the collecting cup and the guide cup in the area where the shunt plate is passed through, an ear plate is installed on the side of the shunt plate away from the condenser, a pressure rod is connected between the ear plates, and the pressure rod passes through the pin holes on each guide cup and the collecting cup; A pressure stabilizing structure is provided on one side of the steam retort, and the pressure stabilizing structure balances the pressure inside the steam retort by quickly condensing the steam.

[0007] As a further solution of the present invention: the ear plate is provided with a strip-shaped ear hole, and both ends of the pressure rod pass through the ear hole.

[0008] As a further solution of the present invention: the collecting cup and the guide cup are both provided with a contraction section, the contraction section is inserted into the through groove, the contraction section is connected to an expansion section, the expansion section is located in the diversion plate, and the pin hole passes through the contraction section.

[0009] As a further solution of the present invention: a sealing gasket surrounding the through groove is placed inside the diverter plate, the expanded section is in pressure contact with the sealing gasket, and grooves are formed on both sides of the expanded section, and the positions of the grooves correspond to those of the liquid outlet pipe.

[0010] As a further solution of the present invention: sliding rods and threaded rods are respectively installed on both sides of the track frame, a motor is installed at one end of the support frame, the motor is connected to the threaded rod, and sliding sleeves and threaded barrels are respectively connected on both sides of the diverter plate, the sliding sleeves are slidably connected to the sliding rods, and the threaded barrels are threadedly engaged with the threaded rods.

[0011] As a further solution of the present invention: both sides of the track frame are covered with cover plates, and a plurality of support rods are installed on the track frame, and the support rods are connected to the condenser.

[0012] As a further solution of the present invention: an air inlet is provided at one end of the condenser away from the liquid outlet pipe, the air inlet is connected to the air duct, a heat exchange section is provided inside the condenser, a plurality of heat exchange tubes passing through the heat section are provided on the heat exchange section, and a water inlet and a water outlet are respectively provided on both sides of the heat exchange section.

[0013] As a further solution of the present invention: a support ring is arranged inside the steamer barrel, a steamer is placed on the support ring, a steam inlet and a water inlet are arranged on the side of the steamer barrel, a slag discharge port is arranged on one side of the steamer barrel, a barrel cover is installed on the steamer barrel, an air outlet is arranged on the barrel cover, the air outlet is connected to an air duct, and a thermometer is arranged on the barrel cover.

[0014] As a further solution of the present invention: the pressure stabilizing structure includes a cold water cylinder, a steam cylinder is arranged in the cold water cylinder, the steam cylinder is connected to the steamer barrel through a steam outlet pipe, a piston plate is slidably installed in the steam cylinder, the piston plate is connected to a piston rod, the piston rod passes through the steam cylinder, a plurality of through holes are opened at one end of the steam cylinder away from the steam outlet pipe, and a drain outlet is opened on the cold water cylinder.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The above-mentioned white wine pressure-stabilizing distillation device is adopted, and a diversion structure is arranged at the liquid outlet pipe of the condenser. The diversion structure is provided with a plurality of parallel collecting cups, and diversion cups with diversion pipes are also arranged at both ends of the collecting cups. In the process of collecting the liquor, the container for collecting the liquor head and the container for collecting the liquor are placed side by side, and the liquor head first passes through the first diversion cup and enters the liquor head container. In the transition stage between the liquor head and the liquor, the diversion plate keeps moving, and the transitional liquid is collected in each collecting cup in turn, and finally moves to the last diversion cup to send the liquor into the liquor container. The staff does not need to observe and judge in real time, but judge whether the liquid in the collecting cup belongs to the liquor head or the liquor according to the alcohol concentration in each collecting cup afterwards. The subsequent operation of the liquor tail is the same as above. Through this operation, the difficulty of manual judgment on container switching can be reduced, and the quality of the liquor finally collected can be improved. At the same time, since there is no need for manual observation at all times, the labor cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the white wine pressure-stabilizing distillation device.

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the white wine pressure-stabilizing distillation device.

[0018] Figure 3 This is a schematic diagram of the diversion structure in the white wine pressure-stabilizing distillation device.

[0019] Figure 4 This is a schematic diagram of the structure of the diverter plate in the white wine pressure-stabilizing distillation device.

[0020] Figure 5 This is a schematic diagram of the structure of the guide cup in the white wine pressure-stabilizing distillation device.

[0021] Figure 6 It is a schematic diagram of the structure of the pressure stabilizing structure in the white wine pressure stabilizing distillation device.

[0022] In the figure: 1. steamer drum; 11. water inlet; 12. steam inlet; 13. slag outlet; 14. steamer; 15. support ring; 2. drum cover; 21. thermometer; 22. air outlet; 3. air guide tube; 4. condenser; 41. liquid outlet pipe; 42. water outlet; 43. water inlet; 44. air inlet; 45. heat exchange section; 46. heat exchange tube; 47. support rod; 5. diversion structure; 51. support frame; 511. track frame; 52. cover plate; 53. threaded rod; 54. slide rod; 55. diversion plate ; 551, threaded cylinder; 552, sliding sleeve; 553, ear plate; 5531, ear hole; 554, through groove; 555, sealing gasket; 56, collecting cup; 561, expansion section; 562, contraction section; 563, pin hole; 564, groove; 57, guide cup; 571, guide pipe; 58, motor; 59, pressure rod; 6, pressure stabilizing structure; 61, cold water cylinder; 611, drain outlet; 62, steam cylinder; 621, through hole; 63, piston plate; 64, steam outlet pipe; 65, piston rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figures 1 to 6 In an embodiment of the present invention, a device for stabilizing the distillation of liquor under a constant pressure includes a steamer barrel 1 and a condenser 4; the steamer barrel 1 is connected to the condenser 4 through an air guide pipe 3, the condenser 4 is provided with a liquid outlet pipe 41, and a diversion structure 5 is provided at the liquid outlet pipe 41; the diversion structure 5 includes a support frame 51, a track frame 511 is connected between the support frames 51, and a diversion plate 55 is slidably mounted on the track frame 511; the diversion plate 55 is provided with a plurality of through grooves 554 arranged in parallel, and a collecting cup 56 is placed in the through grooves 554 , guide cups 57 of the same shape as the collecting cup 56 are placed at both ends of the diverter plate 55, and a guide tube 571 inclined toward one side of the track frame 511 is installed on the guide cup 57; the areas of the collecting cup 56 and the guide cup 57 that pass through the diverter plate 55 are both provided with pin holes 563 located on the same axis, and the side of the diverter plate 55 away from the condenser 4 is provided with ear plates 553, and pressure rods 59 are connected between the ear plates 553, and the pressure rods 59 pass through the pin holes 563 on each guide cup 57 and the collecting cup 56; A pressure stabilizing structure 6 is provided on one side of the retort barrel 1 , and the pressure stabilizing structure 6 balances the pressure inside the retort barrel 1 by rapidly condensing steam.

[0025] The device uses a retort 1 to distill mash, and the steam generated by the distillation enters the condenser 4 and condenses into liquor, which flows out from the liquid outlet pipe 41. A diversion structure 5 is provided below the liquid outlet pipe 41, and a diversion plate 55 of the diversion structure 5 can move laterally, and a plurality of collecting cups 56 are arranged in parallel on the diversion plate 55, and through-flow guide cups 57 are respectively provided at both ends of the collecting cup 56, and a container for collecting liquor head and liquor is placed below the diversion plate 55.

[0026] In the early stage of distillation, the guide tube 571 of the first guide cup 57 points to the head container, and the liquid produced by condensation enters the head container along the guide cup 57. In the process of gradually increasing alcohol content in the liquid, the diverter plate 55 is pushed by the track frame 511 to start moving, and the condensed liquid is collected in each collection cup 56 in turn until the transition from the head to the liquid is completed. The diverter plate 55 also moves to the position of the liquid outlet pipe 41 corresponding to the last guide cup 57, and the liquid automatically falls into the liquid container. After the collection is completed, the operator can test the alcohol content of the liquid in each collection cup 56 at a convenient time, determine whether the liquid in the collection cup 56 belongs to the head or the liquid, and pour it into the corresponding container, put the collection cup 56 back in place and fix it, and the separation of the liquid and the tail can be achieved by using the reverse movement of the diverter plate 55.

[0027] The separation method of the device does not require manual real-time judgment and operation, and does not require manual observation at any time, which saves manpower, and the judgment is more accurate, and the quality of the wine is higher. Since the wine production process and the required alcohol content of each manufacturer are stable, the collection and switching time of the head and tail of the wine can also be stabilized within a smaller time range. By prefabricating an intelligent program in advance to control the diversion structure 5 to start between the specified time periods, it can be ensured that the device can perform effective container switching.

[0028] As another embodiment of the present invention, please refer to Figure 4 The ear plate 553 is provided with a strip-shaped ear hole 5531, and both ends of the pressure rod 59 pass through the ear hole 5531. The pressure rod 59 passes through the pin holes 563 on each collecting cup 56 and the guide cup 57, which can increase the weight, so that the collecting cup 56 and the guide plate are pressed tightly on the through groove 554, ensuring that the liquid splashed in the diverter plate 55 will not leak. The ear hole 5531 has a certain height, which can not only limit the position of the pressure rod 59, but also leave a space for the pressure rod 59 to sag.

[0029] See also Figure 4 and Figure 5The collecting cup 56 and the guide cup 57 are both provided with a contraction section 562, the contraction section 562 is inserted into the through slot 554, the contraction section 562 is connected with an expansion section 561, the expansion section 561 is located in the diverter plate 55, and the pin hole 563 passes through the contraction section 562. The contraction section 562 is inserted into the through slot 554 for fixing, and the expansion section 561 is stuck above the through slot 554 to ensure that there is no gap between adjacent collecting cups 56.

[0030] See also Figure 4 and Figure 5 A sealing gasket 555 surrounding the through groove 554 is placed inside the diverter tray 55. The enlarged section 561 is in pressure contact with the sealing gasket 555. Grooves 564 are provided on both sides of the enlarged section 561. The grooves 564 correspond to the position of the liquid outlet pipe 41. The sealing gasket 555 enhances the sealing effect and prevents the wine in the diverter tray 55 from falling from the through groove 554. The grooves 564 match the position of the liquid outlet pipe 41 to lower the height of the liquid outlet pipe 41, reduce splashing, and reduce the problem of wine leakage. In addition to the above structure, a drainage valve should also be provided on the diverter tray 55 to collect the wine splashed into the diverter tray 55. This design belongs to the conventional structure of the sink structure, so there is no special restriction.

[0031] See also Figure 2 and Figure 3 , a sliding rod 54 and a threaded rod 53 are respectively installed on both sides of the track frame 511, a motor 58 is installed at one end of the support frame 51, and the motor 58 is connected to the threaded rod 53. A sliding sleeve 552 and a threaded barrel 551 are respectively connected on both sides of the diverter plate 55, and the sliding sleeve 552 is slidably connected to the sliding rod 54, and the threaded barrel 551 is threadedly engaged with the threaded rod 53. The threaded barrel 551 cooperates with the threaded rod 53, and the sliding sleeve 552 cooperates with the sliding rod 54. The threaded rod 53 is driven to rotate by the motor 58, so that the diverter plate 55 can be driven. The matching structure of the threaded barrel 551 and the threaded rod 53 does not belong to a restrictive structure, but is only a demonstration of an available structure. In addition to using the threaded barrel 551 to match the threaded rod 53, a linear motor 58, a hydraulic rod 59 or other linear drive structures can also be used to control the diverter plate 55.

[0032] See also Figure 1 and Figure 2, both sides of the track frame 511 are covered with cover plates 52, and a plurality of support rods 47 are installed on the track frame 511, and the support rods 47 are connected to the condenser 4. The cover plates 52 cover both sides of the track frame 511, that is, the collection cup 56 will move to the area covered by the cover plates 52 after collecting the wine, which reduces the probability of dust falling in, and also reduces the possibility of wine splashing and contaminating each other, and also reduces the volatilization of the wine. When the operator takes out the wine in the collection cup 56, he only needs to open the cover plates 52 to operate. The support rods 47 provide support for the condenser 4, so that the condenser 4 is stably fixed above the track frame 511.

[0033] See also Figure 1 and Figure 2 The condenser 4 is provided with an air inlet 44 at one end away from the liquid outlet pipe 41, and the air inlet 44 is connected to the air guide pipe 3. A heat exchange section 45 is provided inside the condenser 4, and a plurality of heat exchange tubes 46 that penetrate the heat section are provided on the heat exchange section 45. A water inlet 43 and a water outlet 42 are provided on both sides of the heat exchange section 45. The gas enters from the air inlet 44, passes through each heat exchange tube 46 of the heat exchange section 45, and is condensed into liquid and discharged from the liquid outlet pipe 41. The heat exchange section 45 is filled with cold water to absorb the heat of steam. The water inlet 43 can cooperate with a water pump to supply water, so that the water in the heat exchange section 45 can be continuously renewed to maintain a low temperature.

[0034] See also Figure 1 and Figure 2 , a support ring 15 is provided in the retort barrel 1, a steamer 14 is placed on the support ring 15, a steam inlet 12 and a water inlet 11 are provided on the side of the retort barrel 1, a slag discharge port 13 is provided on one side of the retort barrel 1, a barrel cover 2 is installed on the retort barrel 1, an air outlet 22 is provided on the barrel cover 2, the air outlet 22 is connected to the air guide pipe 3, and a thermometer 21 is provided on the barrel cover 2. The support ring 15 is used to place the steamer 14, and the steamer 14 is used to place the mash. The steam inlet 12 is used to continuously pass high-temperature steam into the retort barrel 1 to distill the liquor. The water inlet 11 is used to inject water into the retort barrel 1. The water inlet 11 can be connected to the water outlet 42 of the condenser 4 by a valve, and the condenser 4 supplies higher temperature water to the retort barrel 1 to reduce heat loss. The steamer drum 1 can be directly used for steam distillation, or the water inside can be heated and distilled using a built-in heating device or an external furnace, etc. The air outlet 22 is used to discharge alcohol vapor, and the thermometer 21 is used to observe the temperature inside the steamer drum 1 for easy adjustment.

[0035] See also Figure 1 , Figure 2 and Figure 6The pressure stabilizing structure 6 includes a cold water cylinder 61, a steam cylinder 62 is arranged in the cold water cylinder 61, the steam cylinder 62 is connected to the steam drum 1 through a steam outlet pipe 64, a piston plate 63 is slidably installed in the steam cylinder 62, the piston plate 63 is connected to a piston rod 65, the piston rod 65 passes through the steam cylinder 62, a plurality of through holes 621 are opened at one end of the steam cylinder 62 away from the steam outlet pipe 64, and a drain outlet 611 is opened on the cold water cylinder 61. The device does not have a complex pressure stabilizing structure 6. Due to the improvement of the technical level, the current distillation equipment basically does not have leakage or water leakage, but there may still be uneven steam and excessive air pressure in a short period of time. The device is provided with a steam cylinder 62 with an external cold water cylinder 61. When the air pressure is too high, the steam enters the steam cylinder 62 to lift the piston plate 63. Water is injected into the cold water cylinder 61, which can make this part of the steam quickly condense and fall back into the steamer barrel 1, and the instantaneous increased air pressure is adjusted to keep the air pressure in the steamer barrel 1 stable. The piston plate 63 has a certain weight. The weight of the piston plate 63 can make the steam exceed a certain pressure value before entering the steam cylinder 62. In addition to injecting water into the cold water cylinder 61, a part of cold water can be added above the piston plate 63 to enhance the condensation effect while also increasing the upper limit of the air pressure regulation of the steam.

[0036] The working principle of the present invention is: The device uses a steamer barrel 1 for distillation. After the steam generated by distillation enters the condenser 4 and condenses into liquid, it falls from the liquid outlet pipe 41. A diversion structure 5 is arranged below the liquid outlet pipe 41. A horizontal track frame 511 is used to control the diversion plate 55. The diversion plate 55 is provided with multiple through grooves 554. Multiple collecting cups 56 are placed in parallel in the through grooves 554. The two sides of the collecting cups 56 are provided with guide cups 57 that penetrate up and down. The container for collecting the wine is placed at the bottom. In the transition stage of the head, liquid and tail of the wine, the mobile diversion plate 55 can be used to drive the collecting cup 56 to collect the liquid in the transition section in different collecting cups 56. After the collection is completed, it is detected and classified separately. The device can realize the precise switching of the wine container, effectively improve the quality of the wine, and reduce the labor cost.

[0037] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A white wine pressure-stabilizing distillation device, comprising a retort barrel and a condenser; characterized in that: The steamer barrel is connected to the condenser through an air guide pipe, and a liquid outlet pipe is provided on the condenser, and a shunt structure is provided at the liquid outlet pipe; the shunt structure includes a support frame, a track frame is connected between the support frames, and a shunt plate is slidably installed on the track frame; a plurality of through grooves are arranged in parallel on the shunt plate, and a collecting cup is placed in the through groove, and flow guide cups with the same shape as the collecting cup are placed at both ends of the shunt plate, and a flow guide pipe inclined to one side of the track frame is installed on the flow guide cup; the areas of the collecting cup and the flow guide cup that pass through the shunt plate are provided with pin holes located on the same axis, and an ear plate is installed on the side of the shunt plate away from the condenser, and a pressure rod is connected between the ear plates, and the pressure rod passes through the pin holes on each of the flow guide cups and the collecting cup; A pressure stabilizing structure is provided on one side of the steam retort, and the pressure stabilizing structure balances the pressure inside the steam retort by quickly condensing the steam.

2. The white wine pressure-stabilizing distillation device according to claim 1, characterized in that: The ear plate is provided with a strip-shaped ear hole, and both ends of the pressure rod pass through the ear hole.

3. The white wine pressure-stabilizing distillation device according to claim 1, characterized in that: The collecting cup and the guide cup are both provided with a contraction section, the contraction section is inserted into the through groove, the contraction section is connected with an expansion section, the expansion section is located in the diversion plate, and the pin hole passes through the contraction section.

4. The white wine pressure-stabilizing distillation device according to claim 3, characterized in that: A sealing gasket surrounding the through groove is placed inside the diverter plate, the enlarged section is in pressure contact with the sealing gasket, and grooves are provided on both sides of the enlarged section, and the positions of the grooves correspond to those of the liquid outlet pipe.

5. The white wine pressure-stabilizing distillation device according to claim 1, characterized in that: Sliding rods and threaded rods are respectively installed on both sides of the track frame, a motor is installed at one end of the support frame, the motor is connected to the threaded rod, and sliding sleeves and threaded barrels are respectively connected on both sides of the diverter plate. The sliding sleeves are slidably connected to the sliding rods, and the threaded barrels are threadedly engaged with the threaded rods.

6. The white wine pressure-stabilizing distillation device according to claim 1 or 5, characterized in that: Both sides of the track frame are covered with cover plates, and a plurality of support rods are installed on the track frame, and the support rods are connected to the condenser.

7. The white wine pressure-stabilizing distillation device according to claim 1, characterized in that: An air inlet is provided at one end of the condenser away from the liquid outlet pipe, and the air inlet is connected to the air guide pipe. A heat exchange section is provided inside the condenser, and a plurality of heat exchange tubes penetrating the heat section are provided on the heat exchange section. A water inlet and a water outlet are respectively provided on both sides of the heat exchange section.

8. The white wine pressure-stabilizing distillation device according to claim 1, characterized in that: A support ring is provided in the steamer barrel, a steamer is placed on the support ring, a steam inlet and a water inlet are provided on the side of the steamer barrel, a slag discharge port is provided on one side of the steamer barrel, a barrel cover is installed on the steamer barrel, an air outlet is provided on the barrel cover, the air outlet is connected to an air duct, and a thermometer is provided on the barrel cover.

9. The white wine pressure-stabilizing distillation device according to claim 1, characterized in that: The pressure stabilizing structure includes a cold water cylinder, a steam cylinder is arranged in the cold water cylinder, the steam cylinder is connected to the steamer barrel through a steam outlet pipe, a piston plate is slidably installed in the steam cylinder, the piston plate is connected to a piston rod, the piston rod passes through the steam cylinder, a plurality of through holes are opened at one end of the steam cylinder away from the steam outlet pipe, and a drainage outlet is opened on the cold water cylinder.

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