Tobacco flavor extraction device

Abstract

The invention discloses a tobacco flavor extraction device, and belongs to the technical field of tobacco processing equipment. The device comprises an extraction tank, a separation tank, a temperature gradient control unit and a flow collecting unit, the outer wall of the extraction tank is provided with three groups of independent temperature control heating units, a longitudinal temperature gradient is formed, mild and uniform heating is realized, a titanium alloy flow collecting disc is arranged in the separation tank, the surface of the separation tank is provided with honeycomb-shaped pore channels, and condensation liquid is promoted to gather by utilizing material selectivity; after being pretreated by a filter screen and a breathable film, the mixed steam is condensed and separated on a collecting disc and finally converged into a liftable collecting disc, a discharge pipe for discharging impurities is arranged at the bottom of the extraction tank, and a liquid taking pipe for extracting an intermediate product in the extraction process to observe the extraction condition is fixedly arranged on the outer side of the extraction tank in a sealing manner; the device can improve the spice extraction efficiency and quality and reduce heat energy loss, is simple and convenient to operate, and is suitable for extraction production of tobacco spices.

Description

Technical Field

[0001] This invention relates to the field of tobacco processing equipment technology, and in particular to a tobacco flavoring extraction device. Background Technology

[0002] In the tobacco processing industry, extracting flavorings from raw materials is a common process. In the past, extraction devices had relatively simple structures and single heating methods, which were prone to local overheating due to uneven temperature, affecting the integrity of the flavoring components. Some equipment is inefficient in the separation stage, and the effective components in the steam cannot be fully collected, resulting in a low extraction rate. In addition, conventional equipment does not adequately consider corrosion and sealing issues in terms of material selection and structural form, which may lead to leakage or pollution during long-term use, affecting product quality.

[0003] Therefore, there is a need for an extraction device that can provide gentle heating, efficient separation, and easy operation. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing tobacco flavoring extraction devices, which have a single heating method and are prone to local overheating due to uneven temperature, thus affecting the integrity of flavoring components. Therefore, this invention proposes a tobacco flavoring extraction device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A tobacco flavoring extraction device includes a base and an extraction tank fixed to the top of the base by bolts. Multiple columns located on one side of the extraction tank are fixed to the top of the base. A common flat plate and a common horizontal plate are fixed to the outer side of the multiple columns. A separation tank is fixed through the top of the horizontal plate. Temperature gradient control unit, wherein three sets of temperature gradient control units are arranged in a longitudinal direction and closely attached to the outside of the extraction tank and used to perform gradient heating of the extract at different positions in the extraction tank; A collection unit is fixed inside the separator and is used to collect water vapor entering the separator.

[0006] Furthermore, the temperature gradient control unit includes a fixing plate fixed to the top of the base. The inner side of the fixing plate is fixed with a plurality of longitudinally arranged conduits for passing through wires. The ends of the conduits are fixed with stainless steel shells. The stainless steel shells are embedded with resistance heating wires. The inner side of the stainless steel shells is fixed with an insulating heat-conducting layer that is tightly fitted to the outer side of the extraction tank. The ends of the wires are electrically connected to an external temperature control system.

[0007] Furthermore, the collection unit includes a collection plate made of a material that has a strong affinity for the extractant but a weak adsorption force on water molecules, which is fixed inside the separation tank. The top of the collection plate has multiple hexagonal channels arranged in a ring.

[0008] Furthermore, the bottom of the separation tank is provided with an opening, and the same sliding plate is slidably installed on the outer side of the plurality of columns. The top of the sliding plate is fixed with a tank cover for detaching from and sealing the opening of the separation tank. The inner side of the tank cover is fixed with a mounting ring through a mounting column. The top of the mounting ring is detachably engaged with an outer frame through a locking post and a locking groove. The inner side of the outer frame is fixed with a collection tray for collecting the extract.

[0009] Furthermore, the inner side of the separation tank is fixed with the same air inlet channel by a plurality of crossbars arranged in a ring. An elliptical filter screen is fixed at the top of the air inlet channel, and a high-molecular permeable membrane that allows only water vapor to pass through but not liquid is fixed at the top of the elliptical filter screen.

[0010] Furthermore, a steam pipe is installed through the top of the extraction tank, the end of which extends into the interior of the separation tank and is located below the bottom of the air inlet channel. The top and one side of the extraction tank are provided with liquid inlet pipes for introducing liquid into the extraction tank.

[0011] Furthermore, an electric telescopic rod is fixedly installed through the bottom of the horizontal plate, and the top of the output shaft of the electric telescopic rod extends to the top of the horizontal plate and is fixedly installed with a disc. A connecting column is fixedly installed coaxially on the top of the disc, and the top of the connecting column and the bottom of the slide plate are fixed by bolts.

[0012] Furthermore, the bottom of the extraction tank is provided with a discharge pipe for discharging impurities, the outer side of the extraction tank is sealed with a liquid sampling pipe for extracting intermediate products during the extraction process to observe the extraction status, the outer side of the extraction tank is provided with a viewing window for penetrating the internal condition of the extraction tank, the viewing window is a flange mirror, and a spiral guide plate is integrally provided on the inner wall of the extraction tank.

[0013] In this application, tobacco raw materials and solvents are first added to the extraction tank through the liquid inlet pipe. Three sets of temperature gradient control units are started, and the power of each set of resistance heating wires is independently controlled by the external temperature control system, so that a temperature gradient is formed on the outer wall of the extraction tank from bottom to top, realizing zoned gradient heating of the materials in the tank. During the heating process, the solvent evaporates to form mixed steam. The spiral guide plate in the tank guides the fluid to form a swirling flow, which enhances the mass transfer effect. The mixed steam enters the separation tank through the steam pipe, and passes through the air inlet channel, the elliptical filter screen and the high-polymer permeable membrane in sequence to complete gas dispersion and preliminary filtration. After the steam enters the hexagonal channels of the collecting plate, it condenses. Due to the good affinity of the collecting plate surface for the extractant, the droplets spread rapidly and flow down along the channel wall, converging into the collecting plate. The plate is then lowered by an electric telescopic rod, allowing the collecting plate to be easily removed to obtain the extractant. During the process, the internal state can be observed through a viewing window, and samples can be taken and tested through a liquid sampling tube. After completion, the residue is discharged through a discharge tube.

[0014] In this invention, the tobacco flavoring extraction device adopts three-zone independent temperature control heating, which can achieve a precise gradient temperature field, avoid local overheating, facilitate the stepwise precipitation of flavor components with different boiling points, and improve extraction efficiency and product quality. The spiral flow guiding structure enhances fluid mixing and prevents raw material deposition; The collection unit utilizes the differences in material surface properties and honeycomb structure to achieve efficient condensate collection and preliminary oil-water separation, thereby improving the yield. The liftable collection mechanism makes operation more convenient and maintains the system's airtightness; The equipment mainly uses corrosion-resistant materials such as 316 stainless steel and titanium alloy, which ensures long-term stable operation of the equipment in solvent environment. The overall structure is reasonably arranged and the functions of each component are clearly defined, meeting the requirements of tobacco flavor extraction process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of a tobacco flavoring extraction device proposed in this invention; Figure 2 This invention provides a tobacco flavoring extraction device. Figure 1 Another perspective structural diagram; Figure 3 This is a schematic diagram of the internal structure of the extraction tank of a tobacco flavoring extraction device proposed in this invention; Figure 4 This is a schematic diagram of the separation tank and tank lid in the separated state of a tobacco flavoring extraction device proposed in this invention; Figure 5 This is a schematic diagram of the separation state structure of the collection unit and the separation tank of the tobacco flavoring extraction device proposed in this invention; Figure 6 This invention provides a tobacco flavoring extraction device. Figure 2 Enlarged schematic diagram of part A in the middle.

[0016] In the diagram: 1. Base; 2. Extraction tank; 3. Viewing window; 4. Inlet pipe; 5. Outlet pipe; 6. Spiral guide plate; 7. Liquid collection pipe; 8. Fixing plate; 9. Conduit; 10. Stainless steel outer shell; 11. Resistance heating wire; 12. Insulating heat-conducting layer; 13. Steam pipe; 14. Column; 15. Horizontal plate; 16. Electric telescopic rod; 17. Slide plate; 18. Separation tank; 19. Collection tray; 20. Hexagonal channel; 21. Air inlet channel; 22. Elliptical filter screen; 23. Polymer breathable membrane; 24. Tank lid; 25. Mounting ring; 26. Outer frame; 27. Collection tray; 28. Flat plate. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0018] In one embodiment Reference Figure 1-6 A tobacco flavoring extraction device is mainly used to extract flavoring substances from tobacco raw materials. The main structure of the device, such as the base 1, column 14, plate 28 and horizontal plate 15, is made of carbon steel and is treated with anti-rust to ensure the stability of the overall support. The extraction tank 2 and the separation tank 18 are both made of 316 stainless steel, which has good corrosion resistance and heat resistance and can withstand temperature changes and solvent environment during the extraction process.

[0019] During operation, tobacco raw materials and appropriate amounts of water or ethanol are first added to the extraction tank 2 through the liquid inlet pipe 4. The liquid inlet pipe 4 is also made of 316 stainless steel. The three sets of temperature gradient control units are activated. The stainless steel shell 10 and the internal resistance heating wire 11 can provide stable heating. The external insulating heat-conducting layer 12 is made of ceramic material to ensure that the heat is evenly conducted to the tank while ensuring electrical safety. The heating power of each unit is independently controlled by the external temperature control system, forming a temperature gradient from bottom to top outside the tank.

[0020] During the heating process, the solvent evaporates upon heating, carrying aroma components to form mixed steam. The spiral guide plate 6, which is integrally formed on the inner wall of the extraction tank, is also made of 316 stainless steel, the same material as the tank body, to avoid weld seams and corrosion. It guides the fluid to generate swirling flow, enhancing the mixing effect. The mixed steam enters the separation tank 18 through the steam pipe 13 at the top. The steam pipe 13 is made of 304 stainless steel.

[0021] Steam first enters the air intake channel 21 inside the separator 18. This channel is supported and fixed by a 316 stainless steel crossbar. Then the steam passes through an elliptical filter screen 22, which is woven from nickel wire. It is corrosion-resistant and has a certain mechanical strength. The steam then passes through a high-molecular permeable membrane 23 that only allows gas to pass through. This membrane is made of polytetrafluoroethylene, which has excellent chemical stability and hydrophobicity.

[0022] The steam then enters the collection unit. The collection plate 19 is made of titanium alloy material that has undergone surface passivation treatment. It has a good affinity for essential oil extracts but a weak water adsorption capacity and excellent corrosion resistance. The multiple hexagonal channels 20 on the plate are precision machined. The steam condenses into droplets on the cold channel walls. Due to the difference in material surface properties, the extract droplets spread out quickly and flow down the channel walls, achieving initial separation.

[0023] The condensate eventually drips into the collection tray 27 below. The collection tray 27, mounting ring 25, and outer frame 26 are all made of 316 stainless steel. The tank cover 24 is also made of 316 stainless steel to ensure a metal-to-metal seal with the bottom opening of the separation tank 18. When taking out the liquid, the electric telescopic rod 16 is activated. Its output shaft and connecting parts are made of chrome-plated carbon steel, which drives the slide plate 17 made of carbon steel to move downward, so that the entire collection assembly can be lowered and the collection tray 27 can be taken out.

[0024] During the process, the state inside the tank can be observed through the viewing window 3. The flange of the viewing window 3 is made of heat-resistant borosilicate glass, and the sealing ring is made of fluororubber, which is resistant to high temperature and solvents. The liquid extraction tube 7 is a 316 stainless steel thin tube with a sintered stainless steel filter head at the front end. After extraction, the residue and waste liquid are discharged through the discharge tube 5. The discharge tube 5 is made of 304 stainless steel and equipped with a ball valve with a polytetrafluoroethylene sealing ring.

[0025] The entire device is made of materials that take into account corrosion resistance, heat resistance, structural strength, and process requirements, and can reliably complete the extraction and separation process of tobacco flavorings.

[0026] However, as is well known to those skilled in the art, the working principles and wiring methods of the resistance heating wire 11, the current collector 19, the polymer breathable film 23 and the electric telescopic rod 16 are all conventional means or common knowledge, and will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0027] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A tobacco flavoring extraction apparatus, used for extracting tobacco flavorings, characterized in that, Includes a base (1) and an extraction tank (2) fixed to the top of the base (1) by bolts. Multiple columns (14) are fixed to the top of the base (1) on one side of the extraction tank (2). The same flat plate (28) and the same horizontal plate (15) are fixed to the outside of the multiple columns (14). A separation tank (18) is fixed through the top of the horizontal plate (15). Temperature gradient control unit, the temperature gradient control unit is provided in three sets, the three sets of temperature gradient control units are closely attached to the outside of the extraction tank (2) in a longitudinal direction and are used to perform gradient heating of the extract liquid at different positions of the extraction tank (2); A collection unit is fixed inside the separator (18) and is used to collect water vapor entering the separator (18).

2. The tobacco flavoring extraction device according to claim 1, characterized in that, The temperature gradient control unit includes a fixing plate (8) fixed to the top of the base (1). The inner side of the fixing plate (8) is fixed with a plurality of longitudinally arranged conduits (9) for passing through wires. The end of the conduit (9) is fixed with a stainless steel shell (10). The stainless steel shell (10) is embedded with a resistance heating wire (11). The inner side of the stainless steel shell (10) is fixed with an insulating heat-conducting layer (12) that is tightly fitted to the outer side of the extraction tank (2). The end of the wire is electrically connected to an external temperature control system.

3. The tobacco flavoring extraction device according to claim 1, characterized in that, The collection unit includes a collection plate (19) made of a material that has a strong affinity for the extractant but a weak adsorption force on water molecules, which is fixed inside the separation tank (18). The top of the collection plate (19) has multiple hexagonal channels (20) arranged in a ring.

4. The tobacco flavoring extraction device according to claim 1, characterized in that, The bottom of the separation tank (18) is provided with an opening, and the same sliding plate (17) is slidably installed on the outside of the multiple columns (14). The top of the sliding plate (17) is fixed with a tank cover (24) that can be detached from sealing the opening of the separation tank (18). The inner side of the tank cover (24) is fixed with an installation ring (25) through an installation column. The top of the installation ring (25) can be detached from and engaged with an outer frame (26) through a locking post and a locking groove. The inner side of the outer frame (26) is fixed with a collection tray (27) for collecting the extract.

5. The tobacco flavoring extraction apparatus according to claim 4, characterized in that, The inner side of the separator (18) is fixed with the same air inlet channel (21) by a number of crossbars arranged in a ring. An elliptical filter screen (22) is fixed at the top of the air inlet channel (21). A high-molecular breathable membrane (23) that only allows water vapor to pass through and does not allow liquid to pass through is fixed at the top of the elliptical filter screen (22).

6. The tobacco flavoring extraction apparatus according to claim 5, characterized in that, The top of the extraction tank (2) is sealed and permeated with a steam pipe (13), the end of which extends into the interior of the separation tank (18) and is located below the bottom of the air inlet channel (21). The top and side of the extraction tank (2) are provided with liquid inlet pipes (4) for introducing liquid into the extraction tank (2).

7. The tobacco flavoring extraction apparatus according to claim 4, characterized in that, An electric telescopic rod (16) is fixedly installed through the bottom of the horizontal plate (15). The top of the output shaft of the electric telescopic rod (16) extends to the top of the horizontal plate (15) and is fixedly mounted with a disc. A connecting column is fixedly mounted coaxially on the top of the disc. The top of the connecting column and the bottom of the sliding plate (17) are fixedly mounted with bolts.

8. The tobacco flavoring extraction apparatus according to claim 1, characterized in that, The bottom of the extraction tank (2) is provided with a discharge pipe (5) for discharging impurities. The outer side of the extraction tank (2) is sealed with a liquid extraction pipe (7) for extracting intermediate products during the extraction process to observe the extraction status. The outer side of the extraction tank (2) is provided with a viewing window (3) for penetrating the internal condition of the extraction tank (2). The viewing window (3) is a flange mirror. The inner wall of the extraction tank (2) is integrally provided with a spiral guide plate (6).

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