A device for recovering light wine from alcohol fermentation tail gas

Abstract

The present invention relates to the technical field of alcohol fermentation by-product recovery, and specifically to a device for recovering dilute wine from alcohol fermentation tail gas, comprising a base, a support plate fixedly connected to the top of the base, an absorption barrel fixedly connected to the side wall of the support plate, an air inlet pipe passing through and fixedly connected to the bottom of the absorption barrel, and one end of the air inlet pipe located in the absorption barrel fixedly connected to a waterproof and breathable membrane, and the other end is connected to an air pump; a water inlet pipe passes through and is rotatably connected to the top of the absorption barrel, an atomizing nozzle fixedly connected to the bottom end of the water inlet pipe, and a water outlet pipe inserted at the top end; a washing liquid tank fixedly connected to the side wall of the support plate, the top end of the water outlet pipe fixedly connected to the bottom of the washing liquid tank, and communicated with the inside of the washing liquid tank; the washing liquid is fully in contact with the tail gas, so that the alcohol in the tail gas is dissolved in the washing liquid, thereby realizing the recovery of the alcohol in the tail gas, which is beneficial to improving the treatment efficiency of the tail gas.

Description

Technical Field

[0001] The invention relates to the technical field of alcohol fermentation byproduct recovery, in particular to a device for recovering dilute alcohol from alcohol fermentation tail gas. Background Art

[0002] During the alcohol production process, yeast produces alcohol and carbon dioxide through anaerobic respiration. Light wine refers to the alcohol entrained in the carbon dioxide gas. Therefore, in order to reduce the loss of alcohol, the alcohol fermentation exhaust gas cannot be discharged directly, and the light wine in the alcohol fermentation exhaust gas needs to be recovered.

[0003] Technical solutions for recovering alcohol fermentation tail gas have also appeared in the prior art. For example, patent No. CN201820130638.0 discloses a light wine recovery device, which includes a fermentation tank, a sealed water tank, a washing tower, a circulation pump 1, a circulation pump 2, a light wine recovery tank and a deslagging pipe; the device absorbs alcohol in the gas by sending the mixed gas generated in the fermentation tank into the inside of the washing tower from the bottom of the washing tower, and sending washing water into the inside of the washing tower from the top of the washing tower.

[0004] However, when the above device is in use, due to the simple internal structure of the washing tower and the lack of any equalization structure, the washing water cannot fully contact with the mixed gas, affecting the treatment efficiency of the mixed gas; therefore, to address the above problem, an alcohol fermentation tail gas recovery device for dilute wine is proposed. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one of the above problems, the present invention proposes a device for recovering dilute wine from alcohol fermentation tail gas.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the device for recovering dilute wine from alcohol fermentation tail gas described in the present invention comprises a base, the top of the base is fixedly connected to a support plate, the side wall of the support plate is fixedly connected to an absorption barrel, the bottom of the absorption barrel passes through and is fixedly connected to an air inlet pipe, and one end of the air inlet pipe located in the absorption barrel is fixedly connected to a waterproof and breathable membrane, and the other end is connected to an air pump; the top of the absorption barrel passes through and is rotatably connected to a water inlet pipe, the bottom end of the water inlet pipe is fixedly connected to an atomizing nozzle, and the top end is plugged with a water outlet pipe; the side wall of the support plate is fixedly connected to a washing liquid tank, the top end of the water outlet pipe is fixedly connected to the bottom of the washing liquid tank, and is communicated with the inside of the washing liquid tank; when working, The tail gas from alcohol fermentation enters the interior of the absorption barrel from the air inlet pipe. At the same time, the temperature of the washing liquid in the washing liquid tank is adjusted so that the temperature of the washing liquid is around zero degrees. The valve at the water outlet pipe is opened so that the washing liquid in the washing liquid tank enters the absorption barrel from the water outlet pipe and the water inlet pipe in turn, and is sprayed out from the atomizing nozzle, so that the washing liquid is fully in contact with the tail gas, and the alcohol in the tail gas is dissolved in the washing liquid, thereby realizing the recovery of the alcohol in the tail gas and improving the treatment efficiency of the tail gas. The water inlet pipe and the absorption barrel are sealed by carbon ring seals or brush seals to prevent the tail gas from leaking from this place. The temperature of the washing liquid is selected to be around zero degrees, which can reduce the amount of carbon dioxide dissolved in water.

[0007] Preferably, the back side of the support plate is fixedly connected to motor No. 1, the output shaft of motor No. 1 is fixedly connected to rod No. 1, one end of rod No. 1 located in the absorption box is fixedly connected to a worm, and one end of the water inlet pipe located in the absorption box is sleeved and fixedly connected to a worm gear, and the worm gear and worm gear are engaged with each other; when working, motor No. 1 drives rod No. 1 and worm gear to rotate, so that the worm gear drives the worm gear to rotate, and then the worm gear drives the water inlet pipe to rotate, so that the atomizing nozzle rotates with the water inlet pipe, so that the atomizing nozzle sprays the washing liquid more evenly inside the absorption barrel, so that the exhaust gas is fully in contact with the washing liquid, thereby improving the exhaust gas treatment efficiency.

[0008] Preferably, a No. 2 rod is fixedly connected to the bottom of the atomizing nozzle, and a plurality of stirring blades are fixedly connected to the outer wall of the No. 2 rod; during operation, when the washing liquid in the absorption barrel floods the air inlet pipe, the No. 2 rod and the stirring blades are driven to rotate by the atomizing nozzle to achieve stirring of the washing liquid, so that the exhaust gas can fully contact with the washing liquid after emerging from the end of the air inlet pipe, thereby improving the absorption effect of alcohol in the exhaust gas.

[0009] Preferably, a pressure gauge is fixedly connected to the outer wall of the absorption barrel, and the input end of the pressure gauge extends all the way to the interior of the absorption barrel; a recovery box is fixedly connected to the top of the base, and the recovery box and the absorption barrel are connected through a discharge pipe; when working, the pressure gauge is used to detect the pressure inside the absorption barrel. When the pressure inside the absorption barrel reaches a predetermined value, the valve on the discharge pipe is opened, so that the water inside the absorption barrel enters the recovery box from the discharge pipe, and the remaining gas inside the absorption barrel is extracted.

[0010] Preferably, a filter is fixedly connected to the inside of the recycling box; the outer wall of the recycling box is fixedly connected to a No. 1 plate, the top of the No. 1 plate is fixedly connected to a No. 2 motor, the output shaft of the No. 2 motor is fixedly connected to a threaded rod, and one end of the threaded rod located in the recycling box is sleeved with a No. 2 plate, and the No. 2 plate is slidably connected to the top inner wall of the recycling box; the No. 2 plate is fixedly connected to a cleaning brush on the side away from the No. 2 motor; when working, after the washing liquid inside the absorption barrel flows into the recycling box, the waste residue will be filtered by the filter, and the No. 2 motor drives the threaded rod to rotate, so that the threaded rod drives the No. 2 plate to slide on the inner wall of the recycling box, and the cleaning brush is used to clean the waste residue on the top of the filter to avoid clogging of the filter.

[0011] Preferably, the recycling box is provided with a discharge trough on the side away from the No. 2 motor; a rectangular block is slidably connected to the discharge trough, a rubber layer is fixedly connected to the side of the rectangular block in contact with the discharge trough, and the interior of the rubber layer is hollow; a cavity is provided inside the rectangular block, an air bag is fixedly connected to the cavity, a No. 1 spring is fixedly connected to the interior of the air bag, and the air bag is connected to the interior of the rubber layer; a pressure plate is slidably connected to the cavity; a push rod is passed through and slidably connected to the side of the rectangular block close to the threaded rod, one end of the push rod located in the cavity is fixedly connected to the pressure plate, and the other end is fixedly connected to the push plate; a No. 2 spring is fixedly connected between the pressure plate and the inner wall of the cavity; the The No. 4 rod is fixedly connected to the side of the No. 2 plate close to the rectangular block; the outer wall of the recycling box is fixedly connected to the L-shaped rod, and one end of the L-shaped rod passes through and is slidably connected to the rectangular block and contacts the pressure plate; when working, when the No. 2 plate moves toward the direction close to the rectangular block, the No. 4 rod will squeeze the rectangular block, so that the rectangular block slides along the inner wall of the discharge chute, and at the same time the L-shaped rod will push the pressure plate, so that the No. 2 spring continues to be compressed. At this time, after the airbag is no longer squeezed by the pressure plate, it will quickly return to its original shape due to the action of the No. 1 spring, so that the rubber layer no longer bulges, making it convenient to push the rectangular block. When the rectangular block is completely opened, the cleaning brush will also push the waste residue out of the discharge chute.

[0012] Preferably, the threaded rod is sleeved on one end outside the recycling box and is fixedly connected to a driving pulley; a No. 5 rod is passed through and rotatably connected to one side of the recycling box, and the No. 5 rod is equidistantly fixed to a stirring rod at one end inside the recycling box, and is fixedly connected to a driven pulley at the other end, and the driving pulley and the driven pulley are connected by a belt; during operation, when the No. 2 motor drives the threaded rod to rotate, the driving pulley will rotate through the action of the belt, and the driven pulley will rotate, thereby causing the No. 5 rod to drive the stirring rod to rotate, thereby stirring the washing liquid inside the recycling box and allowing the washing liquid to be fully heated.

[0013] Preferably, a heating wire is fixedly connected to the inner side wall of the bottom of the recovery box; a collecting tank is fixedly connected to the top of the base; the collecting tank and the recovery box are connected by a pipeline; when working, after the heating wire is energized, the washing liquid will be heated, and when the temperature reaches the boiling point of the alcohol, the alcohol will evaporate and separate from the washing liquid, and the evaporated alcohol will enter the collecting tank.

[0014] The present invention is beneficial in that:

[0015] 1. The present invention uses a No. 1 motor to drive the worm to rotate, which in turn drives the worm gear to rotate, and the worm gear then drives the water inlet pipe to rotate, so that the atomizing nozzle rotates along with the water inlet pipe. The atomizing nozzle sprays the cleaning liquid more evenly into the absorption barrel, ensuring sufficient contact between the exhaust gas and the cleaning liquid, thereby improving the exhaust gas treatment efficiency.

[0016] 2. In the present invention, after the washing liquid inside the absorption barrel flows into the recovery box, the filter screen will filter the waste residue. The threaded rod is driven to rotate by the No. 2 motor, so that the threaded rod drives the No. 2 plate to slide on the inner wall of the recovery box, and the cleaning brush is used to clean the waste residue on the top of the filter screen to avoid clogging of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure from a first viewing angle in Example 1;

[0019] Figure 2 Schematic diagram of the overall structure of the second viewing angle in Example 1;

[0020] Figure 3 for Figure 1 A partial enlarged view of area A in the middle;

[0021] Figure 4 It is a schematic diagram of the partial cross-sectional structure of Example 1;

[0022] Figure 5 for Figure 4 A partial enlarged view of area B in the middle;

[0023] Figure 6 for Figure 4 A partial enlarged view of the middle C area;

[0024] Figure 7 This is the accompanying drawing of Example 2.

[0025] In the figure: 1. Base; 2. Support plate; 3. Absorption barrel; 4. Air inlet pipe; 6. Water inlet pipe; 7. Atomizing nozzle; 8. Water outlet pipe; 9. Washing liquid tank; 10. No. 1 motor; 11. No. 1 rod; 12. Worm; 13. Worm gear; 14. No. 2 rod; 15. Mixing blade; 16. Pressure gauge; 17. Recovery box; 18. Discharge pipe; 19. Filter; 20. No. 1 plate; 21. No. 2 motor; 22. Threaded rod; 23. No. 2 plate; 24. Cleaning brush; 25. Rectangular block; 26. Rubber layer; 27. Air bag; 28. Pressing plate; 29. ​​Push rod; 30. Push plate; 31. No. 4 rod; 32. L-shaped rod; 33. Driving pulley; 34. No. 5 rod; 35. Mixing rod; 36. Heating wire; 37. Collecting tank; 38. Shell; 39. Driven pulley. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0027] Example 1

[0028] See also Figure 1-6 As shown, a device for recovering dilute wine from alcohol fermentation tail gas comprises a base 1, the top of the base 1 is fixedly connected to a support plate 2, the side wall of the support plate 2 is fixedly connected to an absorption barrel 3, the bottom of the absorption barrel 3 passes through and is fixedly connected to an air inlet pipe 4, and one end of the air inlet pipe 4 located in the absorption barrel 3 is fixedly connected to a waterproof and breathable membrane, and the other end is connected to an air pump; the top of the absorption barrel 3 passes through and is rotatably connected to a water inlet pipe 6, the bottom end of the water inlet pipe 6 is fixedly connected to an atomizing nozzle 7, and the top end is plugged with a water outlet pipe 8; the side wall of the support plate 2 is fixedly connected to a washing liquid tank 9, and the top end of the water outlet pipe 8 is fixedly connected to the bottom of the washing liquid tank 9 and is communicated with the inside of the washing liquid tank 9; when working, the air pump is turned on to send the alcohol fermentation tail gas from the air inlet pipe 4 to the Enter the interior of the absorption barrel 3, and at the same time adjust the temperature of the washing liquid in the washing liquid tank 9 so that the temperature of the washing liquid is around zero degrees, open the valve at the water outlet pipe 8, and allow the washing liquid in the washing liquid tank 9 to enter the absorption barrel 3 from the water outlet pipe 8 and the water inlet pipe 6 in turn, and be sprayed out from the atomizing nozzle 7, so that the washing liquid is fully in contact with the exhaust gas, so that the alcohol in the exhaust gas is dissolved in the washing liquid, thereby realizing the recovery of the alcohol in the exhaust gas, which is beneficial to improving the treatment efficiency of the exhaust gas; wherein the water inlet pipe 6 and the absorption barrel 3 are sealed by a carbon ring seal or a brush seal to prevent the exhaust gas from leaking from this place; the temperature of the washing liquid is selected to be around zero degrees, which can reduce the amount of carbon dioxide dissolved in water; wherein the vacuum pump is connected to the alcohol fermentation tank.

[0029] The back side of the support plate 2 is fixedly connected to a No. 1 motor 10, and the output shaft of the No. 1 motor 10 is fixedly connected to a No. 1 rod 11. The end of the No. 1 rod 11 located in the absorption box is fixedly connected to a worm 12, and the end of the water inlet pipe 6 located in the absorption box is sleeved and fixedly connected to a worm gear 13, and the worm gear 13 and the worm 12 are engaged with each other; when working, the No. 1 motor 10 drives the No. 1 rod 11 and the worm 12 to rotate, so that the worm 12 drives the worm gear 13 to rotate, and then the worm gear 13 drives the water inlet pipe 6 to rotate, so that the atomizing nozzle 7 rotates with the water inlet pipe 6, so that the atomizing nozzle 7 sprays the washing liquid more evenly inside the absorption barrel 3, so that the exhaust gas is fully in contact with the washing liquid, thereby improving the treatment efficiency of the exhaust gas.

[0030] A No. 2 rod 14 is fixedly connected to the bottom of the atomizing nozzle 7, and a plurality of stirring blades 15 are fixedly connected to the outer wall of the No. 2 rod 14. During operation, when the washing liquid in the absorption barrel 3 floods the air intake pipe 4, the No. 2 rod 14 and the stirring blades 15 are driven to rotate by the atomizing nozzle 7 to stir the washing liquid, so that the exhaust gas can fully contact with the washing liquid after emerging from the end of the air intake pipe 4, thereby improving the absorption effect of alcohol in the exhaust gas.

[0031] A pressure gauge 16 is fixedly connected to the outer wall of the absorption barrel 3, and the input end of the pressure gauge 16 extends all the way to the interior of the absorption barrel 3; a recovery box 17 is fixedly connected to the top of the base 1, and the recovery box 17 is connected to the absorption barrel 3 through a discharge pipe 18; when working, the pressure gauge 16 is used to detect the pressure inside the absorption barrel 3. When the internal pressure of the absorption barrel 3 reaches a predetermined value, the valve on the discharge pipe 18 is opened, so that the water inside the absorption barrel 3 enters the recovery box 17 from the discharge pipe 18, and the remaining gas inside the absorption barrel 3 is extracted.

[0032] A filter 19 is fixedly connected to the inside of the recovery box 17; a No. 1 plate 20 is fixedly connected to the outer wall of the recovery box 17, a No. 2 motor 21 is fixedly connected to the top of the No. 1 plate 20, and the output shaft of the No. 2 motor 21 is fixedly connected to a threaded rod 22, and one end of the threaded rod 22 located in the recovery box 17 is sleeved with a No. 2 plate 23, and the No. 2 plate 23 is slidably connected to the top inner wall of the recovery box 17; a cleaning brush 24 is fixedly connected to the No. 2 plate 23 on the side away from the No. 2 motor 21; during operation, after the washing liquid inside the absorption barrel 3 flows into the recovery box 17, the waste residue will be filtered by the filter 19, and the No. 2 motor 21 drives the threaded rod 22 to rotate, so that the threaded rod 22 drives the No. 2 plate 23 to slide on the inner wall of the recovery box 17, and the cleaning brush 24 is used to clean the waste residue on the top of the filter 19 to avoid clogging of the filter 19.

[0033] The recycling box 17 is provided with a discharge trough on the side away from the No. 2 motor 21; a rectangular block 25 is slidably connected in the discharge trough, and a rubber layer 26 is fixedly connected to the side of the rectangular block 25 in contact with the discharge trough, and the interior of the rubber layer 26 is hollow; a cavity is provided inside the rectangular block 25, and an air bag 27 is fixed in the cavity, and a No. 1 spring is fixed inside the air bag 27, and the air bag 27 is communicated with the interior of the rubber layer 26; a pressure plate 28 is slidably connected in the cavity; a push rod 29 is passed through and slidably connected to the rectangular block 25 on the side close to the threaded rod 22, and one end of the push rod 29 is fixed to the pressure plate 28 in the cavity, and the other end is fixed to the push plate 30; a No. 2 spring is fixed between the pressure plate 28 and the inner wall of the cavity; the No. 2 plate 23 is fixedly connected to the No. 4 rod 31 on the side close to the rectangular block 25; the outside of the recycling box 17 The wall is fixed with an L-shaped rod 32, and one end of the L-shaped rod 32 passes through and is slidably connected to the rectangular block 25 and contacts the pressure plate 28; during operation, when the No. 2 plate 23 moves toward the direction close to the rectangular block 25, the No. 4 rod 31 will squeeze the rectangular block 25, so that the rectangular block 25 slides along the inner wall of the discharge trough. At the same time, the L-shaped rod 32 will push the pressure plate 28, so that the No. 2 spring continues to be compressed. At this time, after the airbag 27 is no longer squeezed by the pressure plate 28, it will quickly return to its original shape due to the action of the No. 1 spring, so that the rubber layer 26 no longer bulges, which facilitates the pushing of the rectangular block 25. When the rectangular block 25 is completely opened, the cleaning brush 24 will also push the waste residue out of the discharge trough; the elastic coefficient of the No. 2 spring is greater than the elastic coefficient of the No. 1 spring; a telescopic rod is provided at the L-shaped rod 32, and the elastic coefficient of the No. 3 spring inside the telescopic rod is greater than the elastic coefficient of the No. 2 spring.

[0034] The threaded rod 22 is sleeved on one end outside the recycling box 17 and is fixedly connected to a driving pulley 33; a No. 5 rod 34 is passed through one side of the recycling box 17 and is rotatably connected, and a stirring rod 35 is equidistantly fixed to one end of the No. 5 rod 34 located inside the recycling box 17, and a driven pulley 39 is fixed to the other end, and the driving pulley 33 and the driven pulley 39 are connected by a belt; when working, when the No. 2 motor 21 drives the threaded rod 22 to rotate, the driving pulley 33 will rotate through the action of the belt, and the driven pulley 39 will rotate, thereby causing the No. 5 rod 34 to drive the stirring rod 35 to rotate, thereby stirring the washing liquid inside the recycling box 17 and allowing the washing liquid to be fully heated.

[0035] A heating wire 36 is fixedly connected to the inner side wall of the bottom of the recovery box 17; a collecting tank 37 is fixedly connected to the top of the base 1; the collecting tank 37 and the recovery box 17 are connected by a pipeline; when working, after the heating wire 36 is energized, the washing liquid will be heated. When the temperature reaches the boiling point of the alcohol, the alcohol will evaporate and separate from the washing liquid, and the evaporated alcohol will enter the collecting tank 37.

[0036] Example 2

[0037] See also Figure 7 As shown, compared with Example 1, as another embodiment of the present invention, a shell 38 is provided on the top of the base 1, and the shell 38 is located directly below the outlet of the discharge chute; when working, the shell 38 is provided to collect waste residue, thereby preventing the waste residue from falling on the top of the base 1 and causing trouble in cleaning, which is beneficial to improving the overall use effect of the device.

[0038] Working principle: When the existing recovery device is in use, due to the simple internal structure of the washing tower and the lack of any homogenization structure, the washing water cannot fully contact with the mixed gas, affecting the treatment efficiency of the mixed gas. For this reason, this device is set up. When in use, turn on the vacuum pump to send the alcohol fermentation tail gas from the air inlet pipe 4 into the interior of the absorption barrel 3. At the same time, adjust the temperature of the washing liquid in the washing liquid tank 9 to around zero degrees. Open the valve at the water outlet pipe 8, so that the washing liquid in the washing liquid tank 9 enters the absorption barrel 3 from the water outlet pipe 8 and the water inlet pipe 6 in turn, and is sprayed out from the atomizing nozzle 7, so that the washing liquid is fully in contact with the tail gas, so that the alcohol in the tail gas is dissolved in the washing liquid. , realizing the recovery of alcohol in the exhaust gas; the No. 1 rod 11 and the worm 12 are driven to rotate by the No. 1 motor 10, so that the worm 12 drives the worm gear 13 to rotate, and then the worm gear 13 drives the water inlet pipe 6 to rotate, so that the atomizing nozzle 7 rotates along with the water inlet pipe 6, so that the atomizing nozzle 7 sprays the washing liquid more evenly inside the absorption barrel 3, so that the exhaust gas and the washing liquid are fully in contact, thereby improving the treatment efficiency of the exhaust gas; when the washing liquid in the absorption barrel 3 submerges the air inlet pipe 4, the No. 2 rod 14 and the stirring blade 15 are driven to rotate by the atomizing nozzle 7 to achieve stirring of the washing liquid, so that the exhaust gas can fully contact with the washing liquid after emerging from the end of the air inlet pipe 4, thereby improving the absorption effect of the alcohol in the exhaust gas;

[0039] The pressure gauge 16 is used to detect the pressure inside the absorption barrel 3. When the pressure inside the absorption barrel 3 reaches a predetermined value, the valve on the discharge pipe 18 is opened to allow the water inside the absorption barrel 3 to enter the recovery box 17 from the discharge pipe 18, and the remaining gas inside the absorption barrel 3 is extracted; after the washing liquid inside the absorption barrel 3 flows into the recovery box 17, the waste residue will be filtered by the filter 19, and the threaded rod 22 is driven to rotate by the No. 2 motor 21, so that the threaded rod 22 drives the No. 2 plate 23 to slide on the inner wall of the recovery box 17, and the waste residue on the top of the filter 19 is cleaned by the cleaning brush 24. When the No. 2 plate 23 moves toward the direction close to the rectangular block 25, the No. 4 rod 31 will squeeze the rectangular block 25, so that the rectangular block 25 slides along the inner wall of the discharge trough, and at the same time the L-shaped rod 32 will push the pressure Plate 28 causes the No. 2 spring to continue to be compressed. At this time, after the airbag 27 is no longer squeezed by the pressure plate 28, it will quickly return to its original shape due to the action of the No. 1 spring, so that the rubber layer 26 no longer bulges, making it convenient to push the rectangular block 25. When the rectangular block 25 is completely opened, the cleaning brush 24 will also push the waste residue out of the discharge trough; after the heating wire 36 is energized, the washing liquid will be heated. When the temperature reaches the boiling point of the alcohol, the alcohol will evaporate and separate from the washing liquid. The evaporated alcohol enters the collecting tank 37; when the No. 2 motor 21 drives the threaded rod 22 to rotate, the active pulley 33 will be driven by the action of the belt, and the driven pulley 39 will rotate, thereby causing the No. 5 rod 34 to drive the stirring rod 35 to rotate, thereby stirring the washing liquid inside the recovery box 17, so that the washing liquid is fully heated.

[0040] The above-mentioned front, back, left, right, up and down are all based on the Figure 4 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0041] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0042] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the invention as claimed.

Claims

1. A device for recovering dilute liquor from alcohol fermentation tail gas, characterized by: The invention comprises a base (1), the top of the base (1) is fixedly connected to a support plate (2), the side wall of the support plate (2) is fixedly connected to an absorption barrel (3), the bottom of the absorption barrel (3) is penetrated by and fixedly connected to an air inlet pipe (4), and one end of the air inlet pipe (4) located in the absorption barrel (3) is fixedly connected to a waterproof breathable membrane, and the other end is connected to an air pump; the top of the absorption barrel (3) is penetrated by and rotatably connected to an inlet pipe (6), the bottom end of the inlet pipe (6) is fixedly connected to an atomizing nozzle (7), and the top end is plugged with an outlet pipe (8); the side wall of the support plate (2) is fixedly connected to a washing liquid tank (9), the top end of the outlet pipe (8) is fixedly connected to the bottom of the washing liquid tank (9), and is communicated with the inside of the washing liquid tank (9); The top of the base (1) is fixedly connected to a recycling box (17), and a filter screen (19) is fixedly connected inside the recycling box (17); the outer wall of the recycling box (17) is fixedly connected to a No. 1 plate (20), and the top of the No. 1 plate (20) is fixedly connected to a No. 2 motor (21), and the output shaft of the No. 2 motor (21) is fixedly connected to a threaded rod (22), and one end of the threaded rod (22) located in the recycling box (17) is sleeved with the No. 2 plate (23); the recycling box (17) is provided with a discharge trough on the side away from the No. 2 motor (21); a rectangular block (25) is slidably connected in the discharge trough, and a rubber layer (26) is fixedly connected to the side of the rectangular block (25) in contact with the discharge trough, and the inside of the rubber layer (26) is hollow; a cavity is provided inside the rectangular block (25), and the An airbag (27) is fixed in the cavity, a spring No. 1 is fixed inside the airbag (27), and the airbag (27) is communicated with the inside of the rubber layer (26); a pressure plate (28) is slidably connected in the cavity; a push rod (29) is passed through and slidably connected to the rectangular block (25) on the side close to the threaded rod (22), one end of the push rod (29) located in the cavity is fixed to the pressure plate (28), and the other end is fixed to the push plate (30); a spring No. 2 is fixed between the pressure plate (28) and the inner wall of the cavity; the No. 2 plate (23) is fixed to a No. 4 rod (31) on the side close to the rectangular block (25); an L-shaped rod (32) is fixed to the outer wall of the recovery box (17), and one end of the L-shaped rod (32) passes through and is slidably connected to the rectangular block (25) and contacts the pressure plate (28); One end of the threaded rod (22) located outside the recycling box (17) is sleeved and fixedly connected to a driving pulley (33); a fifth rod (34) is passed through and rotatably connected to one side of the recycling box (17); one end of the fifth rod (34) located inside the recycling box (17) is fixedly connected to a stirring rod (35) at an equal distance, and the other end is fixedly connected to a driven pulley (39); the driving pulley (33) and the driven pulley (39) are connected by a belt; A heating wire (36) is fixedly connected to the inner side wall of the bottom of the recovery box (17); a collecting tank (37) is fixedly connected to the top of the base (1); and the collecting tank (37) and the recovery box (17) are connected via a pipeline.

2. The device for recovering dilute wine from alcohol fermentation tail gas according to claim 1, characterized in that: A No. 1 motor (10) is fixedly connected to the back side of the support plate (2), the output shaft of the No. 1 motor (10) is fixedly connected to a No. 1 rod (11), one end of the No. 1 rod (11) located in the absorption box is fixedly connected to a worm (12), and one end of the water inlet pipe (6) located in the absorption box is sleeved and fixedly connected to a worm gear (13), and the worm gear (13) and the worm gear (12) are meshed with each other.

3. The device for recovering dilute wine from alcohol fermentation tail gas according to claim 2, characterized in that: A second rod (14) is fixedly connected to the bottom of the atomizing nozzle (7), and a plurality of stirring blades (15) are fixedly connected to the outer wall of the second rod (14).

4. The device for recovering dilute wine from alcohol fermentation tail gas according to claim 3, characterized in that: A pressure gauge (16) is fixedly connected to the outer wall of the absorption barrel (3), and the input end of the pressure gauge (16) extends all the way into the absorption barrel (3); the recovery box (17) and the absorption barrel (3) are connected via a discharge pipe (18).

5. The device for recovering dilute wine from alcohol fermentation tail gas according to claim 4, characterized in that: The second plate (23) is slidably connected to the top inner wall of the recovery box (17); the second plate (23) is fixedly connected with a cleaning brush (24) on the side away from the second motor (21).

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