Smoke filtering device of fumigating box for meat
By incorporating a circulation mechanism, a swirl aeration mechanism, a telescopic canopy mechanism, and a lifting filter plate mechanism, the problem of frequent filter material replacement in existing smoke filtration devices has been solved, achieving efficient and low-cost smoke purification.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING CHENGKOU JINYUAN CURED FOOD CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-05-12
AI Technical Summary
Existing smoke filtration devices require frequent filter media replacements, increasing operation frequency and labor costs, and their filtration efficiency is insufficient.
It employs a circulation mechanism, a swirl aeration mechanism, a telescopic canopy mechanism, and a lifting filter plate mechanism to achieve multiple filtration and purification of smoke. By recycling the filtrate, it reduces the cost of using and maintaining filter materials and improves filtration efficiency.
It achieves multi-stage filtration and purification of smoke, reduces the cost of using and maintaining filter materials, improves work efficiency and filtration efficiency, and reduces labor intensity.
Smart Images

Figure CN224221097U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of smoke filtration technology, specifically to a smoke filtration device for a meat smoking box. Background Technology
[0002] Cured pork, typically prepared in the twelfth lunar month, is a traditional Chinese delicacy. In the past, it was made by cutting the pork into strips, marinating it, and then hanging it over an open fire for smoking. However, with advancements in science and technology and increased awareness of food safety, cured pork has gradually come to be considered junk food. This is because it contains the carcinogen benzo[a]pyrene, which is produced during combustion and rises with the smoke, adhering to the surface of the cured pork. To eliminate the carcinogen in the smoke, it needs to be filtered.
[0003] For example, Chinese patent CN217988749U discloses a smoke filtration device, including a filter box and three partitions arranged laterally within the filter box. Each partition has several vent holes penetrating the plate thickness. The three partitions sequentially divide the filter box into four chambers along the direction of smoke flow. The first chamber is empty, the second chamber is filled with cotton, the third chamber is filled with cellulose acetate, and the fourth chamber is filled with activated carbon. The first chamber is connected to the smoke generator via an inlet pipe, and the fourth chamber is connected to the smoke chamber via an outlet pipe. However, the above-mentioned smoke filtration device uses a three-layer independent filter material design of cotton, cellulose acetate, and activated carbon. This layered structure requires operators to frequently replace the filter material in stages, which not only significantly increases the operation frequency but also increases labor costs.
[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content
[0005] In view of the problems in the related technologies, this utility model proposes a smoke filtration device for meat smoking boxes to overcome the above-mentioned technical problems existing in the existing related technologies.
[0006] Therefore, the specific technical solution adopted by this utility model is as follows:
[0007] A smoke filtration device for a meat smoking box includes a meat smoking box connecting pipe at one end of the smoke purification box, an air outlet pipe at the top of the other end of the smoke purification box, a circulation mechanism at the bottom of the other end of the smoke purification box, a swirl aeration mechanism connected to the meat smoking box connecting pipe at one end of the smoke purification box, a telescopic roof mechanism at the top of the smoke purification box, and a lifting filter plate mechanism in the middle of the smoke purification box.
[0008] Furthermore, in order to purify and reuse the filtrate, a circulation mechanism is set in a circulation box at the bottom of the other end of the smoke purification box. A partition is set in the middle of the circulation box, and a water pump is set at the top of the circulation box. A water inlet pipe is set on one side of the water pump, which penetrates the side wall of the circulation box and is connected to the smoke purification box. A water outlet pipe is set at the bottom of the water pump, which penetrates the bottom of the partition. A filter screen is set in the circulation box, and a connecting pipe connected to the smoke purification box is set at the bottom of the side wall of the circulation box.
[0009] Furthermore, in order to fully integrate the smoke and the filtrate and improve the filtration efficiency, a swirl aeration mechanism is installed at one end of the connecting pipe of the meat smoking box. Both ends of the bottom of the tee are equipped with air jet pipes, a swirl pipe is installed on the outside of the air jet pipe, a swirl component is installed at the top inside the swirl pipe, and several evenly arranged mushroom blocks are installed on the inner wall of the swirl pipe.
[0010] Furthermore, in order to achieve the fusion and separation of smoke and filtrate, the cyclone assembly is mounted on the inner wall of the cyclone tube, and the mounting frame is equipped with support columns inside.
[0011] The outer side of the support column is provided with several partition plate groups, and the top of the support column is provided with a partition plate. The partition plate group consists of several partition plates connected to the support column, and the number of partition plates in the partition plate group gradually decreases along the direction away from the partition plate. The bottom of the partition plate is a conical structure, and the bottom of the partition plate is provided with several partition protrusions. Several partition grooves are opened on the outer side of the partition plate.
[0012] Furthermore, to enable the opening and closing of the fume purification box, the telescopic canopy mechanism includes guide rods symmetrically arranged at the top of the fume purification box. Several sliding rods are arranged on the outer side of the guide rods, and several movable plates are arranged sequentially at the top of the sliding rods. Adjacent sets of movable plates and two sets of sliding rods at both ends are movably connected by pins. The remaining sliding rods are arranged and connected to the remaining pins in an intermittent manner. A fixed frame is provided on one side of one set of sliding rods, and a pulley is provided inside the fixed frame. The telescopic canopy mechanism also includes a motor embedded in the top of the fume purification box. A pulley is provided at the bottom of the output shaft of the motor, and the pulley is connected to the pulley by a belt that passes through the outer side of the sliding rod. The sliding rod near the motor end is fixedly connected to one side of the belt.
[0013] Furthermore, in order to achieve secondary filtration of smoke and increase the number of times the filter plate can be used, the lifting filter plate mechanism includes a lifting frame installed inside the smoke purification box. Electric telescopic rods are installed at the four corners of the top of the lifting frame, and the filter plate is installed in the middle of the lifting frame. The filter plate is connected to the lifting frame by bolts.
[0014] The beneficial effects of this utility model are as follows:
[0015] 1. This utility model has a reasonable and reliable structure. Through the circulation mechanism, telescopic canopy mechanism, lifting filter plate mechanism, and cyclone aeration mechanism, it can achieve multiple filtration and purification of smoke, and reduce the cost of using and maintaining filter materials, as well as the workload of staff.
[0016] 2. By setting up a circulation mechanism, the filtrate can be reused. The water pump extracts the filtered solution and re-injects it into the smoke purification box.
[0017] 3. By setting up a telescopic canopy mechanism, driven by a motor, pulley one and pulley two drive the belt to rotate, which in turn drives the extension and retraction of the movable plate, realizing the automation of opening and closing of the smoke purification box. This allows for convenient replacement or maintenance of the filter plate, improving work efficiency.
[0018] 4. By setting up a lifting filter plate mechanism, secondary filtration of smoke can be achieved. At the same time, under the action of the electric telescopic rod, the filter plate can be cleaned in the filtrate, thereby increasing the number of times the filter plate can be used and reducing the maintenance cost of the filter plate.
[0019] 5. By setting up a swirl aeration mechanism, the smoke and filtrate are fully mixed. Under the action of the jet pipe, the smoke is sprayed out, which drives the flow of the filtrate and initially mixes the filtrate and smoke. Under the division of the mushroom block and swirl component in the swirl aeration pipe, the water and air that are initially mixed are divided multiple times, thereby improving the filtration efficiency. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the structure of a smoke filtration device for a meat smoking box according to an embodiment of the present utility model;
[0022] Figure 2 This is a cross-sectional schematic diagram of a smoke filtration device for a meat smoking box according to an embodiment of the present utility model;
[0023] Figure 3 This is a cross-sectional schematic diagram of the cyclone aeration mechanism in a smoke filtration device for a meat smoking box according to an embodiment of the present utility model.
[0024] Figure 4 yes Figure 3 Enlarged view of a portion of point A in the middle;
[0025] Figure 5 A cross-sectional schematic diagram of the circulation mechanism in a smoke filtration device for a meat smoking box according to an embodiment of the present invention;
[0026] Figure 6 This is a cross-sectional schematic diagram of the structure of a smoke filtering device for a meat smoking box according to an embodiment of the present utility model from another angle;
[0027] Figure 7 yes Figure 6 A magnified view of a section at point B in the middle;
[0028] Figure 8 yes Figure 6 A magnified view of a section at point C.
[0029] In the picture:
[0030] 1. Smoke purification box; 2. Meat smoking box connecting pipe; 3. Air outlet pipe; 4. Circulation mechanism; 401. Circulation box; 402. Partition plate; 403. Water pump; 404. Water inlet pipe; 405. Water outlet pipe; 406. Filter screen; 407. Connecting pipe; 408. Sewage pipe; 5. Cyclone aeration mechanism; 501. T-joint pipe; 502. Air jet pipe; 503. Cyclone pipe; 504. Cyclone assembly; 5041. Mounting bracket; 5042. Support column; 5043. Divider plate Group; 5044, Dividing disc; 50441, Dividing protrusion; 50442, Dividing groove; 505, Mushroom block; 6, Telescopic canopy mechanism; 601, Guide rod; 602, Slide rod; 603, Movable plate; 604, Pin shaft; 605, Fixing frame; 606, Belt pulley one; 607, Motor; 608, Belt pulley two; 609, Belt; 7, Lifting filter plate mechanism; 701, Lifting frame; 702, Electric telescopic rod; 703, Filter plate; 704, Bolt. Detailed Implementation
[0031] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0032] According to an embodiment of the present invention, a smoke filtration device for a meat smoking box is provided.
[0033] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figures 1-8As shown, the smoke filtration device for a meat smoking box according to an embodiment of the present invention includes a smoke purification box 1, a meat smoking box connecting pipe 2 at one end of the smoke purification box 1, an air outlet pipe 3 at the top of the other end of the smoke purification box 1, a circulation mechanism 4 at the bottom of the other end of the smoke purification box 1, a swirl aeration mechanism 5 connected to the meat smoking box connecting pipe 2 at one end of the interior of the smoke purification box 1, a telescopic roof mechanism 6 at the top of the smoke purification box 1, and a lifting filter plate mechanism 7 in the middle of the interior of the smoke purification box 1.
[0034] With the help of the above-mentioned technical solution of this utility model, the structure of this utility model is reasonable and reliable. Through the circulation mechanism 4, the swirl aeration mechanism 5, the telescopic canopy mechanism 6, and the lifting filter plate mechanism 7, multiple filtration and purification of smoke can be achieved, and the cost of use and maintenance of filter materials can be reduced, and the workload of staff can be reduced.
[0035] In one embodiment, the circulation mechanism 4 includes a circulation box 401 located at the bottom of the other end of the smoke purification box 1. A partition 402 is provided in the middle of the circulation box 401. A water pump 403 is provided at the top of the circulation box 401. A water inlet pipe 404 is provided on one side of the water pump 403, penetrating the side wall of the circulation box 401 and connected to the smoke purification box 1. A water outlet pipe 405 is provided at the bottom of the water pump 403, penetrating the bottom of the partition 402. A filter screen 406 is provided inside the circulation box 401. A connecting pipe 407 connected to the smoke purification box 1 is provided at the bottom of the side wall of the circulation box 401, thereby realizing the reuse of the filtrate. The water pump 403 draws out the filtered solution and re-injects it into the smoke purification box.
[0036] In addition, in specific applications, a drain pipe 408 is provided on the outside of the circulation tank 401. After the filter screen 406 filters the impurities in the filtrate, the impurities can be discharged through the drain pipe 408, so that the impurities can be further processed.
[0037] The working principle of the circulation mechanism 4 is as follows: the filtrate in the smoke purification box 1 is sent to the bottom of the circulation box 401 through the connecting pipe 407. After being filtered by the filter screen 406, the water pump 403 draws it out through the water outlet pipe 405, and then injects it into the smoke purification box 1 through the water inlet pipe 404, so as to realize the reuse of the filtrate.
[0038] In one embodiment, the swirl aeration mechanism 5 includes a three-way pipe 501 disposed at one end of the meat smoking box connecting pipe 2. Air jet pipes 502 are disposed at both ends of the bottom of the three-way pipe 501. A swirl pipe 503 is disposed outside the air jet pipe 502. A swirl assembly 504 is disposed at the top inside the swirl pipe 503. A plurality of evenly arranged mushroom blocks 505 are disposed on the inner wall of the swirl pipe 503. The swirl assembly 504 includes a mounting bracket 5041 disposed on the inner wall of the swirl pipe 503. A support column 5042 is disposed inside the mounting bracket 5041. A plurality of dividing plate assemblies 5043 are disposed outside the support column 5042. A dividing plate 5044 is disposed at the top of the support column 5042. The dividing plate assemblies 5043 have… Several support columns 5042 are connected to the dividing plates to form a group of dividing plates. The number of dividing plates in the dividing plate group 5043 gradually decreases along the direction away from the dividing disk 5044. The bottom end of the dividing disk 5044 is a conical structure. Several dividing protrusions 50441 are provided at the bottom end of the dividing disk 5044. Several dividing grooves 50442 are opened on the outer side of the dividing disk 5044. In the swirling tube 503, the smoke and the filter liquid are initially mixed by the cooperation of the swirling component 504 and the mushroom block. Under the drive of the airflow, the mixed smoke liquid is divided and fused again by the dividing plate group 5043 from bottom to top. When the smoke liquid that has been divided multiple times reaches the dividing disk 5044, it is fully fused by the action of the dividing protrusions 50441 and the dividing grooves 50442.
[0039] The working principle of the swirl aeration mechanism 5 is as follows: the smoke to be filtered enters the smoke purification box 1 through the meat smoking box connecting pipe 2, and is then diverted and guided by the three-way pipe 501 connected to the meat smoking box connecting pipe 2. Finally, it is ejected through the jet pipes 502 on both sides of the three-way pipe 501. The smoke ejected through the jet pipes 502 is released into the swirl pipe 503. The smoke in the swirl pipe 503 is divided by the swirl component 504 and the mushroom block 505 and then fused with the filter liquid. During the rise of the smoke liquid, it will be cut by the dividing plate group 5043, the dividing protrusion 50441, and the dividing disc 5044 in sequence, so that the smoke and the filter liquid can be more fully fused.
[0040] In one embodiment, the telescopic canopy mechanism 6 includes guide rods 601 symmetrically arranged at the top of the smoke purification box 1. A plurality of sliding rods 602 are arranged on the outer side of the guide rods 601. A plurality of movable plates 603 are sequentially connected to the top of each sliding rod 602. Adjacent sets of movable plates 603 and the two sets of sliding rods 602 at each end are movably connected to the two sets of movable plates 603 at each end via pins 604. The remaining sliding rods 602 are connected to the remaining pins 604. The four slide rods are arranged in an intermittent manner. One side of one set of slide rods 602 is provided with a fixed frame 605. The fixed frame 605 is provided with a pulley 606. The telescopic canopy mechanism 6 also includes a motor 607 embedded in the top of the smoke purification box 1. The bottom of the output shaft of the motor 607 is provided with a pulley 608. The pulley 606 and the pulley 608 are connected by a belt 609 that passes through the outside of the slide rod 602. The slide rod 602 near the motor 607 is fixedly connected to one side of the belt 609.
[0041] It should be further explained that the movable plates 603, the movable plates 603 and the smoke purification box 1, and the movable plates 603 and the pin 604 are all connected by a sealing method. This ensures that after the movable plates 603 are unfolded in sequence, they can seal the top of the smoke purification box 1, ensuring that the filtered smoke will not leak to the outside of the smoke purification box 1. This is existing technology and will not be elaborated on further here.
[0042] Furthermore, in practical applications, the set of slide rods 602 furthest from the meat smoking box connecting pipe 2 is fixedly connected to the guide rod 601, while the remaining slide rods 602 are movably connected to the guide rod 601. The number of pins 604 is twice the number of slide rods 602 minus one. That is, among all the pins 604 numbered sequentially, the pins 604 with odd numbers are movably connected to the slide rods 602 one by one.
[0043] The working principle of the telescopic canopy mechanism 6 is as follows: Driven by the motor 607, pulley 606 and pulley 608 drive the belt 609 to rotate, which in turn drives the slide rod 602 to move. At the same time, with the cooperation of the pin 604 and the movable plate 603, the movement of the slide rod 602 drives the movement of the movable plate 603, realizing the automation of opening and closing of the smoke purification box 1. This enables convenient replacement of the filter plate 703 and maintenance of the inside of the smoke purification box 1, improving work efficiency.
[0044] In one embodiment, the lifting filter plate mechanism 7 includes a lifting frame 701 disposed inside the smoke purification box 1. Electric telescopic rods 702 are provided at the four corners of the top of the lifting frame 701. A filter plate 703 is disposed in the middle of the lifting frame 701. The filter plate 703 is connected to the lifting frame 701 by bolts 704.
[0045] Furthermore, in practical applications, the filtrate can be alkaline, organic, or acidic solutions, utilizing the different solubilities of gases in liquids to purify air mixtures. Alkaline solutions effectively absorb toxic and harmful gases such as hydrogen sulfide and sulfur dioxide. Organic solutions effectively absorb gases such as sulfur dioxide and carbon dioxide. Acidic solutions effectively absorb harmful gases such as nitric oxide and nitrogen dioxide.
[0046] Meanwhile, the filter plate 703 uses activated carbon for secondary filtration of harmful substances. After long-term filtration, the activated carbon can be cleaned with the filtrate. Cleaning can remove some pollutants from the surface of the activated carbon, restore its pore structure, and thus improve its adsorption performance.
[0047] The working principle of the lifting filter plate mechanism 7 is as follows: after the smoke is initially filtered by the filter liquid, the smoke will be filtered a second time through the filter plate 703 to adsorb the residual harmful substances in the smoke. The smoke after adsorption treatment is discharged through the exhaust pipe 3 and then processed.
[0048] In addition, the filter plate 703 can be fixed inside the lifting frame 701 by bolts 704. The top four corners of the lifting frame are equipped with electric telescopic rods 702. The filter plate 703 can be moved up and down by the electric telescopic rods 702. When it is necessary to clean the filter plate 703, the filter plate 703 can be moved down by the electric telescopic rods 702 so that the filter plate 703 comes into contact with the filtrate to clean the filter plate 703. When it is necessary to remove the filter plate 703, the filter plate 703 can be moved up by the electric telescopic rods 702. By removing the bolts 704, the filter plate 703 can be maintained or replaced.
[0049] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.
[0050] In practical application, the smoke enters the smoke purification box 1 through the meat smoking box connecting pipe 2, and is then diverted and guided by the three-way pipe 501 connected to the meat smoking box connecting pipe 2. Finally, it is ejected through the jet pipes 502 on both sides of the three-way pipe 501. The smoke ejected through the jet pipes 502 is released into the cyclone pipe 503. The smoke in the cyclone pipe 503 is divided by the cyclone component 504 and the mushroom block 505 and then mixed with the filter liquid. During the rise of the smoke liquid, it is successively cut by the dividing plate group 5043, the dividing protrusion 50441, and the dividing disc 5044, so that the smoke and filter liquid are more fully mixed. The smoke that has been initially filtered will be filtered a second time by the lifting filter plate mechanism 7, and finally the clean smoke will be discharged from the smoke purification box 1 through the exhaust pipe 3.
[0051] When the filtrate has been used for a period of time, it is circulated and reused using the circulation mechanism 4. The filtrate in the smoke purification box 1 is sent to the bottom of the circulation box 401 through the connecting pipe 407. After being filtered by the filter screen 406, the water pump 403 draws it out through the water outlet pipe 405 and then injects it into the smoke purification box 1 through the water inlet pipe 404. When the filter plate is not working well, the electric telescopic rod 702 moves up and down, which in turn moves the lifting frame 701 up and down, lowering the filter plate 703 in the lifting frame 701 into the filtrate for cleaning. After cleaning, it rises back to the initial position.
[0052] In summary, with the help of the above-mentioned technical solution of this utility model, the structure of this utility model is reasonable and reliable. Through the circulation mechanism 4, the swirl aeration mechanism 5, the telescopic canopy mechanism 6, and the lifting filter plate mechanism 7, multiple filtration and purification of smoke can be achieved, and the usage and maintenance costs of filter materials can be reduced, as well as the workload of staff. By setting up the circulation mechanism 4, the filtrate can be reused. The water pump 403 extracts the filtered solution and re-injects it into the smoke purification box. By setting up the telescopic canopy mechanism 6, driven by the motor 607, the pulley 606 and the pulley 608 drive the belt 609 to rotate, which drives the extension and retraction of the movable plate 603, realizing the automation of opening and closing of the smoke purification box 1, thereby enabling convenient replacement or maintenance of the filter plate 703 and improving work efficiency. By setting up the lifting filter plate mechanism 7, secondary filtration of smoke can be achieved. At the same time, under the action of the electric telescopic rod 702, the filter plate 703 can be cleaned in the filtrate, thereby increasing the number of uses of the filter plate 703 and reducing the maintenance cost of the filter plate 703. By setting up the swirl aeration mechanism 5, the smoke and the filtrate are fully mixed. Under the action of the jet pipe 502, the smoke is sprayed out, thereby driving the flow of the filtrate and initially mixing the filtrate and the smoke. Under the division of the mushroom block 505 and the swirl component 504 in the swirl pipe 503, the water and air that are initially mixed are divided multiple times, thereby improving the filtration efficiency.
[0053] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0054] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A smoke filtration device for a meat smoking chamber, comprising a smoke purification chamber (1), characterized in that, The smoke purification box (1) is provided with a meat smoking box connecting pipe (2) at one end, an air outlet pipe (3) at the top of the other end of the smoke purification box (1), and a circulation mechanism (4) at the bottom of the other end of the smoke purification box (1). The smoke purification box (1) is equipped with a swirling aeration mechanism (5) connected to the meat smoking box connecting pipe (2) at one end, a telescopic roof mechanism (6) is provided at the top of the smoke purification box (1), and a lifting filter plate mechanism (7) is provided in the middle of the smoke purification box (1).
2. The smoke filtering device for a meat smoking box according to claim 1, characterized in that, The circulation mechanism (4) includes a circulation box (401) located at the bottom of the other end of the smoke purification box (1). A partition (402) is provided in the middle of the circulation box (401). A water pump (403) is provided at the top of the circulation box (401). A water inlet pipe (404) is provided on one side of the water pump (403) that penetrates the side wall of the circulation box (401) and is connected to the smoke purification box (1). A water outlet pipe (405) is provided at the bottom end of the water pump (403) that penetrates the bottom end of the partition (402). The circulation box (401) is equipped with a filter screen (406), and the bottom of the side wall of the circulation box (401) is provided with a connecting pipe (407) that is connected to the smoke purification box (1).
3. The smoke filtering device for a meat smoking box according to claim 1, characterized in that, The swirling aeration mechanism (5) includes a three-way pipe (501) at one end of the meat smoking box connecting pipe (2), and air jet pipes (502) are provided at both ends of the bottom of the three-way pipe (501), and a swirling pipe (503) is provided on the outside of the air jet pipe (502). The top of the swirling tube (503) is provided with a swirling assembly (504), and the inner wall of the swirling tube (503) is provided with a number of evenly arranged mushroom blocks (505).
4. The smoke filtering device for a meat smoking box according to claim 3, characterized in that, The swirl assembly (504) includes a mounting bracket (5041) disposed on the inner wall of the swirl tube (503), and a support column (5042) is disposed inside the mounting bracket (5041); The outer side of the support column (5042) is provided with a plurality of partition plate groups (5043), and the top of the support column (5042) is provided with a partition plate (5044).
5. A smoke filtering device for a meat smoking box according to claim 4, characterized in that, The dividing plate group (5043) consists of several dividing plates connected to the support column (5042), and the number of dividing plates in the dividing plate group (5043) gradually decreases along the direction away from the dividing disk (5044).
6. The smoke filtering device for a meat smoking box according to claim 5, characterized in that, The bottom end of the dividing disk (5044) is a conical structure, and the bottom end of the dividing disk (5044) is provided with a plurality of dividing protrusions (50441). The outer side of the dividing disk (5044) is provided with a plurality of dividing grooves (50442).
7. A smoke filtering device for a meat smoking box according to claim 6, characterized in that, The telescopic canopy mechanism (6) includes guide rods (601) symmetrically arranged at the top of the smoke purification box (1). Several sliding rods (602) are arranged on the outside of the guide rods (601). Several movable plates (603) are arranged at the top of the sliding rods (602) in sequence. The two adjacent sets of movable plates (603) and the two sets of sliding rods (602) at both ends are movably connected by pins (604). The remaining slide rods (602) and the remaining pins (604) are connected in an intermittent arrangement; A fixing frame (605) is provided on one side of one of the sliding rods (602), and a pulley (606) is provided inside the fixing frame (605); The telescopic canopy mechanism (6) also includes a motor (607) embedded at the top of the smoke purification box (1). The bottom end of the output shaft of the motor (607) is provided with a pulley two (608), and the pulley one (606) and the pulley two (608) are connected by a belt (609) that passes through the outside of the slide rod (602).
8. A smoke filtering device for a meat smoking box according to claim 7, characterized in that, The slide bar (602) near one end of the motor (607) is fixedly connected to one side of the belt (609).
9. A smoke filtering device for a meat smoking box according to claim 4, characterized in that, The lifting filter plate mechanism (7) includes a lifting frame (701) installed inside the smoke purification box (1). Electric telescopic rods (702) are installed at the four corners of the top of the lifting frame (701). A filter plate (703) is installed in the middle of the lifting frame (701). The filter plate (703) is connected to the lifting frame (701) by bolts (704).