Waste heat recovery and cyclic utilization system in Maotai-flavor liquor distillation process

Abstract

The invention relates to the technical field of wine making equipment, in particular to a Maotai-flavor liquor distillation process waste heat recovery and cyclic utilization system which comprises steaming bucket equipment and a storage assembly, the top of the steaming bucket equipment is fixedly connected with a condensation installation assembly, and the condensation installation assembly is connected with the storage assembly through a pipeline; the condensation installation assembly comprises an obliquely-arranged installation box, a guide frame is arranged at the bottom of the inner side of the installation box, a condensation assembly is arranged above the guide frame, and the inner walls of the two longitudinal sides of the installation box are fixedly connected with limiting layers used for limiting the guide frame. The mounting box is obliquely arranged, the built-in guide frame and the built-in flow guide layer are arranged, unpowered automatic collection and guide-out of wine liquid are achieved through the oblique structure by means of gravity, additional pumping equipment is not needed, energy consumption is effectively reduced, the guide frame is matched with the arc-shaped flow guide layer, wine steam rushed in at a high speed can be stably dispersed and guided, and the wine steam can be recycled. And therefore, steam turbulence and local impact are effectively avoided.

Description

Technical Field

[0001] This invention relates to the field of brewing equipment technology, specifically to a waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor. Background Technology

[0002] High-temperature distillation is a crucial process in the formation of the unique flavor compounds in Maotai-flavor liquor. This process involves heating the mash in a still to generate high-temperature vapor at 85-95℃, which is then condensed into liquid liquor. Currently, the traditional distillation process commonly used in the industry involves directly introducing the high-temperature vapor from the still into a separate condenser. A large amount of room-temperature cooling water exchanges heat with the vapor, causing it to release its latent heat of condensation and condense into liquid liquor. The condensed liquor is then simply collected and stored. However, the cooling water that heated up during the heat exchange and the residual heat in the collected liquor are not included in the recycling system. The heated cooling water is directly discharged into the environment, and the residual heat of the liquor dissipates naturally during storage.

[0003] Energy waste and excessive costs: The huge latent heat of condensation contained in the high-temperature liquor steam and the residual heat of the condensed liquor are not utilized, which leads to the need to continuously consume a large amount of coal or natural gas to maintain the heating of the still in the distillation process. The energy utilization rate is extremely low, which directly increases the energy consumption cost of liquor production and does not meet the demand for low-cost production. Environmental burden is inconsistent with policy: The cooling water heated after absorbing waste heat is directly discharged, causing significant thermal pollution and disrupting the temperature balance of surrounding water bodies and soil. This contradicts the national policy of advocating green, low-carbon, energy-saving and emission-reduction production and fails to meet environmental compliance requirements.

[0004] Lack of thermal energy management and waste of quality: Traditional processes lack a dedicated management structure for recovering thermal energy. There is no waste heat transfer channel adapted to the still and storage components, nor is there the ability to grade and process waste heat. It is impossible to accurately match thermal energy according to the water temperature requirements of different production stages such as distillation preheating and wine storage insulation. As a result, high-quality thermal energy is wasted in low-demand stages, further reducing energy utilization efficiency.

[0005] Currently, some wineries' attempts at waste heat recovery solutions still face significant technical bottlenecks: First, low recovery efficiency. Existing systems often use simple heat exchangers connected to the stills and storage equipment, resulting in long heat exchange paths, insufficient contact area, and high heat transfer losses between the alcohol vapor and the waste heat medium. Actual waste heat recovery rates are generally below 35%, failing to meet the energy demands of large-scale production. Second, high risk of alcohol contamination. Some recovery systems employ multi-pipeline cross-designs to improve heat exchange efficiency, resulting in numerous contact points between the pipelines and the alcohol and waste heat medium. Furthermore, the lack of effective residue and leakage prevention structures makes the alcohol susceptible to contamination due to medium mixing or pipeline corrosion, affecting the quality of the baijiu. Third, insufficient intelligence and refinement. Existing solutions lack graded heat storage functions and intelligent control mechanisms for waste heat allocation based on different production stages. They still rely on manual operation and cannot achieve on-demand waste heat supply, resulting in continued waste of heat energy and difficulty in adapting to the complex production processes of Maotai-flavor baijiu. Summary of the Invention

[0006] In view of this, the purpose of the present invention is to provide a waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor, so as to solve the problems mentioned in the background art.

[0007] This invention is achieved through the following technical solution: A waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor includes a still and a storage component. A condenser assembly is fixedly connected to the top of the still and is connected to the storage component via a pipe. The condenser assembly includes an inclined mounting box with a guide frame at the bottom inside the box and a condenser assembly above the guide frame. Limiting layers for limiting the guide frame are fixedly connected to the inner walls of the longitudinal sides of the mounting box. A flow guide is opened on one end of the guide frame, and an arc-shaped protruding flow guide layer is fixedly connected to the inside of the flow guide. An external pipe is fixedly connected to the end of the mounting box facing the storage component.

[0008] Furthermore, the condensation assembly includes a mounting bracket, with a first condenser pipe and a second condenser pipe disposed on the inner side of the mounting bracket, and also includes a condenser plate connected to the second condenser pipe; a first delivery pipe and a second delivery pipe are respectively connected to the outer sides of the first condenser pipe and the condenser plate; the second delivery pipe is connected to an external pipe.

[0009] Furthermore, the storage assembly includes a storage cylinder, the interior of which is divided into a first inner cylinder and a second inner cylinder by a partition; an electric heating mechanism is embedded in the partition; a guide pipe is connected to the front of both the first and second inner cylinders, and the first and second guide pipes are connected to the first inner cylinder through a first outer pipe; a second outer pipe is branched onto the first outer pipe and connected to the second inner cylinder; a control valve and a temperature measuring mechanism are provided at the junction of the first and second outer pipes.

[0010] Furthermore, the installation box is rectangular in shape and tilted, with a wine outlet at the bottom of its outer end, a sealed door cover on the side of the installation box, and a cavity filled with insulation material.

[0011] Furthermore, the guide frame is triangular in shape and horizontally set, with one end tilted to the other. The top surface of the guide frame is provided with two sets of rectangular support grooves corresponding to the mounting bracket and the condenser plate. Silicone gaskets are installed in the rectangular support grooves, and a removable filter basket is provided at the bottom inside the flow port.

[0012] Furthermore, both the first condenser and the second condenser are condenser coils. The first condenser is laid horizontally along the inner wall of the mounting bracket, and the second condenser is located below the first condenser and laid horizontally in a vertical position. The first condenser and the second condenser are connected by a branch pipe.

[0013] Furthermore, the condenser plate is provided with multiple sets arranged in a stepped manner, with the height increasing sequentially. The condenser plate is provided with a condensate guide groove, and its surface is provided with a horizontal through hole. The condenser plate and the second condenser pipe are connected by a flange or quick-connect clamp.

[0014] Furthermore, the surface of the partition is recessed, and the electric heating mechanism is an electric heating coil embedded in the recessed surface of the partition, with the gaps filled with heat-conducting material.

[0015] Furthermore, both the first and second inner cylinders are equipped with magnetic level gauges, and both have drain valves at their bottoms. The storage cylinder is also equipped with a clamping cavity.

[0016] Furthermore, the control valve is a solenoid valve, the temperature measuring mechanism is a PT100 platinum resistance temperature sensor, and flow meters are installed at the inlet positions of the first and second delivery pipes.

[0017] The beneficial effects of this invention are as follows: 1. This invention features an inclined mounting box with a built-in guide frame and flow guide layer. The inclined structure utilizes gravity to achieve automatic, non-powered collection and discharge of the wine, eliminating the need for additional pumping equipment and effectively reducing energy consumption. Furthermore, the combination of the guide frame and the arc-shaped flow guide layer smoothly disperses and guides the high-speed incoming wine vapor, ensuring uniform contact with the subsequent condensation components. This effectively avoids steam turbulence and localized impacts, improving the efficiency and uniformity of heat exchange while ensuring smooth wine flow without residue.

[0018] 2. The present invention comprises a multi-stage condensation assembly consisting of a first condenser, a second condenser, and a condenser plate, forming a three-dimensional heat exchange surface. The first and second condensers primarily capture the latent heat of condensation of the gas phase vapor, while the stepped condenser plate further condenses residual vapor and captures the sensible heat of the liquid wine, achieving deep recovery of heat from the wine vapor. In practical use, this greatly increases the heat exchange area, ensuring that the wine vapor can be fully condensed, and exhibiting a good heat recovery rate.

[0019] 3. The present invention comprises a dual-chamber storage assembly including a first inner cylinder and a second inner cylinder, and an electric heating mechanism, which realizes graded and quality-separated storage of thermal energy. High-temperature hot water is stored in the first inner cylinder, and medium- and low-temperature hot water is stored in the second inner cylinder. This can effectively meet the precise water temperature requirements of different production stages, avoid the waste of quality caused by using high-temperature water in low-temperature applications, and the built-in electric heating mechanism can automatically replenish the high-temperature water when the recovered heat is insufficient, ensuring the stability and reliability of energy output and making the system more adaptable to different working conditions.

[0020] Other advantages, objectives, and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination, or may be learned from practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is an exploded view of the condenser mounting assembly connection in this invention; Figure 3 This is an exploded view of the condenser assembly connection in this invention; Figure 4 This is a schematic diagram of the connection of the storage components in this invention; Figure 5 This is an exploded view of the inner cylinder distribution in this invention.

[0022] In the diagram: 1. Steamer; 2. Condensation assembly; 3. Storage assembly; 4. Mounting box; 5. Limiting layer; 6. Guide frame; 7. Flow port; 8. Flow guide layer; 9. External pipe. 11. Condensation assembly; 12. Mounting bracket; 13. First condenser tube; 14. Second condenser tube; 15. First delivery tube; 16. Condensation plate; 17. Second delivery tube; 18. Storage cylinder; 19. Partition plate; 10. First inner cylinder; 20. Second inner cylinder; 21. Electric heating mechanism; 22. Support; 23. First outer tube; 24. Second outer tube. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0025] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0026] In the above description of the present invention, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is conventionally placed during use. These terms are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0027] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.

[0028] Please see Figure 1-5 The present invention provides a technical solution: a waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor, including a still 1 and a storage component 3. The top of the still 1 is fixedly connected to a condenser mounting component 2 that is also matched with the storage component 3. The condenser mounting assembly 2 includes a mounting box 4 and a guide frame 6 inside it, and a condenser assembly 10 located above the guide frame 6. The inner walls of both longitudinal sides of the mounting box 4 are fixedly connected with limiting layers 5 corresponding to the guide frame 6. A flow guide port 7 is opened on one end surface of the guide frame 6. A flow guide layer 8 with an arc-shaped protrusion is fixedly connected inside the flow guide port 7. An external pipe 9 is fixedly connected to one end of the mounting box 4 facing the storage assembly 3. The condenser assembly 10 includes a mounting frame 11 configured as a rectangular frame and a first condenser pipe 12 and a second condenser pipe 13 inside it, and a condenser plate 15 connected to the second condenser pipe 13. The outer sides of the first condenser pipe 12 and the condenser plate 15 are respectively connected to a first delivery pipe 14 and a second delivery pipe 16. The first delivery pipe 14 and the second delivery pipe 16 are simultaneously distributed vertically. The second delivery pipe 16 is simultaneously connected to the external pipe 9, and a flow meter is provided at the inlet position of the first delivery pipe 14 and the second delivery pipe 16. The storage assembly 3 includes a storage cylinder 17 and a first inner cylinder 19 and a second inner cylinder 20 distributed vertically inside it. A partition 18 is fixedly disposed between the first inner cylinder 19 and the second inner cylinder 20 and connected to the center of the storage cylinder 17. An electric heating mechanism 21 is embedded in the surface of the partition 18. A bracket 22 is fixedly connected to the top of the first inner cylinder 19. A guide pipe is provided on the front of both the first inner cylinder 19 and the second inner cylinder 20. A heat-resistant circulating water pump is also provided on the guide pipe. A first outer tube 23 and a second outer tube 24 are connected between the condensation component 10 and the storage component 3. The top end of the first outer tube 23 is connected to both the first conveying pipe 14 and the second conveying pipe 16, and the bottom end is vertically connected to the first inner cylinder 19. The second outer tube 24 is L-shaped, with its top section connected to the first outer tube 23 and its bottom section connected along the support 22 and the second inner cylinder 20. A control valve and a temperature measuring mechanism are provided at the junction of the first outer tube 23 and the second outer tube 24. The control valve is a solenoid valve, and the temperature measuring mechanism is a PT100 platinum resistance temperature sensor.

[0029] In this embodiment of the invention, the installation box 4 is rectangular and inclined. Its bottom end and the top end of the stilling equipment 1 are connected by a pipe. The bottom of the outer end of the installation box 4 is provided with a wine outlet. A temperature sensor is installed at the wine outlet. Wine storage equipment is connected to the outside of the wine outlet. The installation box 4 is provided with a cavity filled with heat insulation material. The side of the installation box 4 is provided with a set of sealed door covers equipped with high-temperature resistant sight glasses to facilitate observation of internal condensation, cleaning of wine residue, and inspection and maintenance of the condensation components.

[0030] The guide frame 6 is horizontally arranged in the shape of a triangular frame, with one end inclined to the other. The highest point has an arc transition, and the lowest point is inclined. The top surface of the guide frame 6 has two sets of longitudinal rectangular support grooves corresponding to the mounting frame 11 and the condenser plate 15. High-temperature resistant food-grade silicone gaskets are installed in the rectangular support grooves. The flow guide 7 is opened on the highest point surface of the guide frame 6. A set of removable filter baskets is also provided on the bottom inner side of the flow guide 7. The arc protrusion surface of the flow guide layer 8 is polished. The limiting layer 5 is attached to both sides of the guide frame 6 and is also set as an elastic heat insulation layer. The mounting frame 11 is horizontally arranged in the shape of a rectangular frame. The bottom edge of one side is embedded in the rectangular support groove on the top surface of the guide frame 6. The inner walls of the two sides of the mounting frame 11 are provided with transverse limiting grooves corresponding to the first condenser pipe 12 and the second condenser pipe 13. The surface of the mounting frame 11 facing the flow guide 7 has a rectangular opening to ensure that the alcohol vapor contacts the condenser pipe from this opening position.

[0031] Both the first condenser tube 12 and the second condenser tube 13 are configured as condenser coils. The first condenser tube 12 is laid horizontally along the inner wall of the mounting bracket 11, while the second condenser tube 13 is located below the first condenser tube 12 and is laid horizontally in a vertical position. The first condenser tube 12 and the second condenser tube 13 are connected by branch pipes at their end corners. At the same time, a set of water inlet pipes is provided at one end of the first condenser tube 12 near the guide port 7. The water inlet pipes are also equipped with a heat-resistant circulating water pump and a Y-type filter mechanism.

[0032] The condenser plate 15 is provided in four sets arranged in a stepped manner, with its height increasing from left to right. It is located above the bottom of the guide frame 6. The top of the condenser plate 15 and the bottom of the second condenser pipe 13 are connected by a branch pipe. The bottom of the lowest set of condenser plates 15 is also embedded in a set of rectangular support grooves on the top surface of the guide frame 6. The condenser plate 15 is provided with a condensate guide groove, and its surface is provided with horizontal through holes.

[0033] Storage cylinder 17 is provided with a clamping cavity filled with heat-insulating material. The top of the first inner cylinder 19 and the second inner cylinder 20 are both reserved with flushing openings, and the bottom of both are also provided with drain valves. The partition 18 is a circular partition with a concave surface. The electric heating mechanism 21 is configured as an electric heating coil embedded in the concave surface of the partition 18, and the gaps are filled with heat-conducting mud or heat-conducting paste. The wires and control mechanisms of the electric heating mechanism 21 are integrated into the partition 18. The connection between the edge of the partition 18 and the inner wall of the storage cylinder 17 is continuously welded and polished to ensure sealing. The electric heating mechanism 21 is equipped with a thermostat and an anti-dry-burning protection device. The outer shell of its heating tube is made of 304 stainless steel, and the insulating material is magnesium oxide powder.

[0034] Both the first inner cylinder 19 and the second inner cylinder 20 are equipped with installation valves and pressure gauges, and are also equipped with liquid level mechanisms. Specifically, the liquid level mechanism is a magnetic float liquid level gauge, and its flange interface is located on the side wall of the first inner cylinder 19 and the second inner cylinder 20.

[0035] Drain valves are installed at the lowest points of both the first outer pipe 23 and the second outer pipe 24.

[0036] In this device, all pipes, such as the first outer pipe 23, the second outer pipe 24 and the outer pipe 9, are equipped with metal supports and stainless steel corrugated metal hoses at their corresponding connection points. All components that come into contact with the vapor and liquid of the wine, including but not limited to the inner wall of the mounting box 4, the guide frame 6, the flow guide layer 8, the mounting frame 11, the first condenser tube 12, the second condenser tube 13, the condenser plate 15, and the filter basket, are made of food-grade 316L stainless steel. All static sealing gaskets and flange gaskets are made of food-grade silicone rubber or polytetrafluoroethylene; the insulation material filling the interlayer of the installation box 4 and the storage cylinder 17 is ceramic fiber blanket.

[0037] The external hot water pipes, such as the first external pipe 23 and the second external pipe 24, are all wrapped with high-temperature resistant rubber and plastic insulation cotton. The branch pipe connecting the condenser plate 15 to the second condenser pipe 13, and the branch pipe connecting the first condenser pipe 12 to the second condenser pipe 13, are all configured with flange connections or quick-connect clamp connections.

[0038] When this device is in use, the mash is heated by steam in the stilling equipment 1, generating high-temperature alcoholic steam rich in flavor substances. The alcoholic steam is transported to the condenser assembly 2 through the pipe between the stilling equipment 1 and the condenser assembly 2. The alcoholic steam flows into the condenser assembly 10 through the guide port 7 and the guide layer 9 along the inclined surface of the guide frame 6, and comes into contact with the condenser assembly 10. It is in full contact with the first condenser pipe 12, the second condenser pipe 13 and the condenser plate 15 inside. The condensate in the first condenser pipe 12, the second condenser pipe 13 and the condenser plate 15 absorbs the latent heat of condensation of the alcoholic steam, and the temperature rises rapidly. The alcoholic steam condenses into liquid raw liquor due to the loss of heat. The installation box 4 is set at an incline. The condensed liquor automatically flows to the lower end and flows out through the liquor outlet at that end. It is introduced into the external storage device. The heated cooling water flows out from the corresponding first conveying pipe 14 and the second conveying pipe 16 together and enters the first external pipe 23 to be transported to the storage cylinder 17 for storage and later use. The cooling water heated each time is temperature-measured in the first outer pipe 23. Based on the temperature, it is transported through the first outer pipe 23 and the second outer pipe 24 to the first inner cylinder 19 and the second inner cylinder 20 for storage. For example, the first inner cylinder 19 stores water with a higher temperature, while the second inner cylinder 20 stores water with a slightly lower temperature. This separate storage allows for precise allocation of water according to the precise temperature requirements of different production stages, avoiding waste of energy quality. At the same time, the electric heating mechanism 21 below the first inner cylinder 19 can additionally supplement the high-temperature water source in the first inner cylinder 19.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A system for waste heat recovery and recycling in the distillation process of Maotai-flavor liquor, comprising a still (1) and a storage component (3), characterized in that: The top of the steamer equipment (1) is fixedly connected to a condenser mounting assembly (2), and the condenser mounting assembly (2) is connected to the storage assembly (3) through a pipe; The condenser mounting assembly (2) includes an inclined mounting box (4), a guide frame (6) is provided at the bottom of the inner side of the mounting box (4), a condenser assembly (10) is provided above the guide frame (6), a limiting layer (5) for limiting the guide frame (6) is fixedly connected to the inner walls of the longitudinal sides of the mounting box (4), a guide port (7) is opened on one end surface of the guide frame (6), an arc-shaped protruding guide layer (8) is fixedly connected to the inner side of the guide port (7), and an external pipe (9) is fixedly connected to the end of the mounting box (4) facing the storage assembly (3).

2. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The condensation assembly (10) includes a mounting bracket (11), with a first condenser pipe (12) and a second condenser pipe (13) on the inner side of the mounting bracket (11), and a condenser plate (15) connected to the second condenser pipe (13). A first delivery pipe (14) and a second delivery pipe (16) are respectively connected to the outer sides of the first condenser pipe (12) and the condenser plate (15), and the second delivery pipe (16) is connected to the outer pipe (9).

3. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The storage component (3) includes a storage cylinder (17), which is divided into a first inner cylinder (19) and a second inner cylinder (20) by a partition (18). An electric heating mechanism (21) is embedded in the partition (18), and a guide pipe is connected to the front of both the first inner cylinder (19) and the second inner cylinder (20). The first conveying pipe (14) and the second conveying pipe (16) are connected to the first inner cylinder (19) through the first outer pipe (23). The first outer pipe (23) is connected to the second outer pipe (24), which is connected to the second inner cylinder (20). A control valve and a temperature measuring mechanism are provided at the junction of the first outer pipe (23) and the second outer pipe (24).

4. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The installation box (4) is rectangular in shape and inclined. It has a wine outlet at the bottom of its outer end. The side of the installation box (4) is equipped with a sealed door cover. The installation box (4) is equipped with a cavity filled with heat-insulating material.

5. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The guide frame (6) is a triangular frame and is horizontally set. One end of it is inclined to the other end. The top surface of the guide frame (6) is provided with two sets of rectangular support grooves corresponding to the mounting frame (11) and the condenser plate (15). Silicone gaskets are provided in the rectangular support grooves. A detachable filter basket is provided at the bottom of the inner side of the flow port (7).

6. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The first condenser (12) and the second condenser (13) are both condenser coils. The first condenser (12) is laid horizontally along the inner wall of the mounting bracket (11), and the second condenser (13) is located below the first condenser (12) and laid horizontally in a vertical state. The first condenser (12) and the second condenser (13) are connected by a branch pipe.

7. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The condenser plate (15) is provided with multiple sets arranged in a stepped manner, with the height increasing sequentially. The condenser plate (15) is provided with a condensate guide groove and a horizontal through hole on its surface. The condenser plate (15) and the second condenser pipe (13) are connected by a flange or quick-release clamp.

8. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The surface of the partition (18) is recessed, and the electric heating mechanism (21) is an electric heating coil, which is embedded in the concave surface of the partition (18), and the gap is filled with heat-conducting material.

9. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: Both the first inner cylinder (19) and the second inner cylinder (20) are equipped with magnetic level gauges, and both are equipped with drain valves at the bottom. The storage cylinder (17) is equipped with a clamping cavity.

10. The waste heat recovery and recycling system for the distillation process of Maotai-flavor liquor according to claim 1, characterized in that: The control valve is a solenoid valve, and flow meters are installed at the inlet positions of the first delivery pipe (14) and the second delivery pipe (16).

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