Waste gas filtering and purifying device for waste incineration

Abstract

The invention relates to the technical field of purification devices, and discloses a waste gas filtering and purifying device for waste incineration, which comprises a waste incineration mechanism and a protective shell, one side of the waste incineration mechanism is fixedly connected with a waste gas filtering mechanism, and the interior of the protective shell is fixedly connected with a circulating air pump. The output end of the circulating air pump is fixedly connected with an air blowing pipe, and the input end of the circulating air pump is fixedly connected with an air suction pipe. According to the waste incineration device, through cooperation of the waste incineration mechanism, the waste gas filtering mechanism, the main drive linkage mechanism and the speed-increasing air draft mechanism, the problems that a traditional device is low in filtering efficiency, multiple pollutants are difficult to effectively remove, the waste gas circulation speed is unstable, and the sealing performance of the device is poor are solved; through cooperation of the protective shell, the circulating air pump, the air blowing pipe, the air suction pipe and the linkage scraping mechanism, the problems that a traditional device lacks a cooperative linkage purification mechanism, washing, filtering and anti-blocking integrated operation cannot be achieved, and the anti-blocking effect is limited are solved.

Description

Technical Field

[0001] This invention relates to the field of purification equipment technology, and in particular to a waste gas filtration and purification device for waste incineration. Background Technology

[0002] During the waste incineration process, exhaust gases containing dust, harmful gases, and volatile organic compounds are generated. Direct discharge of these gases would seriously pollute the environment. Therefore, exhaust gas filtration and purification is a key aspect of the waste incineration system.

[0003] Traditional exhaust gas filtration devices often use a single filter material for simple interception, resulting in low filtration efficiency and difficulty in effectively removing multiple pollutants. Furthermore, the unstable exhaust gas flow rate can lead to incomplete purification. In addition, existing devices have poor sealing performance, which can easily cause exhaust gas leakage during incineration, further exacerbating the risk of environmental pollution. Moreover, traditional devices lack a coordinated purification mechanism, making it impossible to achieve integrated operation of washing, filtration, and anti-clogging. After long-term use, filter components are easily clogged by dust and impurities, requiring frequent manual disassembly and cleaning, which not only increases maintenance costs but also interrupts incineration operations and affects processing efficiency. Although some devices have added cleaning functions, they are mostly controlled separately and are not well integrated with the filtration process, resulting in limited anti-clogging effects. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a waste gas filtration and purification device for waste incineration. This device integrates multi-stage purification, automatic anti-clogging, and coordinated operation to achieve high-efficiency waste gas treatment, thereby meeting the environmental protection requirements and high-efficiency operation needs of waste incineration.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A waste gas filtration and purification device for waste incineration includes a waste incineration mechanism and a protective shell. A waste gas filtration mechanism is fixedly connected to one side of the waste incineration mechanism. A circulating air pump is fixedly connected inside the protective shell. An air blowing pipe is fixedly connected to the output end of the circulating air pump, and an air extraction pipe is fixedly connected to the input end of the circulating air pump. The waste gas filtration mechanism is equipped with a main drive linkage mechanism, a linkage scraping mechanism, and a speed-up exhaust mechanism. The exhaust gas filtration mechanism includes a cylindrical shell, a fixed pipe fixedly connected to the lower part of the cylindrical shell on the side away from the waste incineration mechanism, and a motor fixedly connected to the fixed pipe on the side away from the cylindrical shell. A water injection pipe is fixedly connected to the middle part of the cylindrical shell away from the protective shell. An exhaust pipe is fixedly connected to the top of the cylindrical shell. A connecting pipe is fixedly connected to the side of the cylindrical shell away from the fixed pipe. A drain pipe is fixedly connected to the lower end of the cylindrical shell. A fixing ring is fixedly connected inside the cylindrical shell, and a filter plate is fixedly connected to the inner wall of the fixing ring. Furthermore, the waste incineration mechanism includes an outer shell, a waste disposal pipe fixedly connected to the upper part of the outer shell away from the exhaust gas filtration mechanism, and a cover plate hinged to the upper part of the waste disposal pipe away from the exhaust gas filtration mechanism. A cleaning port door is hinged to the lower part of the outer shell away from the exhaust gas filtration mechanism. An incineration component is fixedly connected to the inner bottom of the outer shell. An exhaust port is opened through the upper part of the outer shell away from the waste disposal pipe. The end of the connecting pipe away from the shell is fixedly connected to the inner wall of the exhaust port. Furthermore, the main drive linkage mechanism includes a bevel gear one fixedly connected to the motor output end, two fixed fasteners respectively fixedly connected to the inner walls of the two opposite sides of the cylinder shell, and two shafts respectively rotatably connected to the middle of the two fixed fasteners at their respective ends. The upper outer walls of the two shafts are fixedly connected to pulleys, and the upper ends of the two shafts are fixedly connected to gears. The lower end of the shaft near the first bevel gear one is fixedly connected to a second bevel gear. The first bevel gear one and the second bevel gear two mesh with each other, and the two pulleys are connected externally by a synchronous belt. Furthermore, the linkage scraping mechanism includes two fixed rings fixedly connected to the inner wall of the cylinder shell, a gear ring rotatably connected between the two fixed rings, and a fixed cross fixedly connected to the upper inner wall of the gear ring. A cross scraper is fixedly connected to the upper side of the fixed cross. Both gears mesh with the lower inner wall of the gear ring. The upper side of the cross scraper is in close contact with the lower side of the filter plate. Furthermore, the speed-up ventilation mechanism includes a fixed frame fixedly connected to the inner wall of the connecting pipe near the end of the cylindrical shell, a bevel gear three fixedly connected to the lower end of the shaft rod away from the bevel gear one, and a rotating rod rotatably connected to the middle of the fixed frame. A wind turbine is fixedly connected to the outer wall of the middle part of the rotating rod, and a bevel gear four is fixedly connected to the end of the rotating rod away from the fixed frame. The bevel gear three and the bevel gear four mesh with each other, and the wind turbine is located inside the connecting pipe near the end of the cylindrical shell. Furthermore, the end of the air blowing pipe away from the circulating air pump penetrates the lower outer wall of the cylinder shell and extends into its interior, the air outlet end of the air blowing pipe is located below the filter plate, the end of the air extraction pipe away from the circulating air pump penetrates the upper outer wall of the cylinder shell and extends into its interior, and the air inlet end of the air extraction pipe is located above the filter plate. Furthermore, the filter plate is made of activated carbon filter material, the water injection pipe is connected to an external water source, and a control valve is installed on the drain pipe; Furthermore, one end of the exhaust pipe extends to an external purification area or a high-altitude emission point, the incineration component is made of a high-temperature resistant alloy material, a sealing gasket is provided on the inner side of the cleaning port door panel, and a sealing rubber ring is provided on the lower side of the cover plate to ensure sealing during incineration. Furthermore, through the coordinated operation of the waste incineration mechanism, the exhaust gas filtration mechanism, the main drive linkage mechanism, the linkage cleaning mechanism, and the speed-up exhaust mechanism, the efficient filtration and purification of exhaust gas is achieved. Open the cover and put the garbage into the outer shell of the waste incineration unit. Close the cover and start the incineration unit to burn the garbage. The exhaust gas generated by the incineration enters the cylinder shell of the exhaust gas filtration unit through the exhaust port. Start the motor and circulating air pump. The motor drives the first bevel gear of the main drive linkage mechanism to rotate, which drives the shaft to rotate through the second bevel gear. The shaft drives the gear to mesh with the gear ring of the linkage scraping mechanism, so that the fixed cross drives the cross scraper to rotate and scrape the lower surface of the filter plate. At the same time, the shaft drives the rotating rod of the speed-up exhaust mechanism to rotate through the pulley and synchronous belt, which in turn drives the wind turbine to rotate, accelerating the flow speed of exhaust gas in the shell. Purification liquid is injected into the cylinder through the water injection pipe. After the exhaust gas is washed by the purification liquid and filtered by the filter plate, it is discharged through the exhaust pipe. The impurities generated by filtration are scraped off by the cross scraper, and the sewage is discharged through the drain pipe. The circulating air pump blows air to the filter plate through the air blowing pipe to further prevent the filter plate from clogging.

[0006] The present invention has the following beneficial effects: In this invention, the waste incineration mechanism, the exhaust gas filtration mechanism, the main drive linkage mechanism and the speed-up exhaust mechanism work together to alleviate the problems of traditional exhaust gas filtration devices, which mostly use a single filter material for simple interception, resulting in low filtration efficiency, difficulty in effectively removing multiple pollutants, unstable exhaust gas flow speed, and incomplete purification. At the same time, the existing devices have poor sealing performance, which can easily lead to exhaust gas leakage during the incineration process, further aggravating the risk of environmental pollution.

[0007] In this invention, the protective shell, circulating air pump, air blowing pipe, air extraction pipe, and linkage scraping mechanism work together to alleviate the problems of traditional devices lacking a coordinated purification mechanism, failing to achieve integrated washing, filtration, and anti-clogging operations, and having filter components easily clogged by dust and impurities after long-term use, requiring frequent manual disassembly and cleaning, which not only increases maintenance costs but also interrupts incineration operations and affects processing efficiency. Furthermore, although some devices have added cleaning functions, they are mostly controlled separately, which is not well connected with the filtration process and has limited anti-clogging effect. Attached Figure Description

[0008] Figure 1 This is a perspective view of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 2 This is a schematic diagram of the structure of the waste gas filtration mechanism of a waste gas filtration and purification device for waste incineration proposed in this invention. Figure 3 This is a schematic diagram of the cleaning port door plate of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 4 This is a schematic diagram of the incineration component of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 5This is a schematic diagram of the circulating air pump of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 6 This is a schematic diagram of the connecting pipe of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 7 This is a schematic diagram of the solid pipe of a waste gas filtration and purification device for waste incineration proposed in this invention. Figure 8 This is a schematic diagram of the exhaust pipe of a waste gas filtration and purification device for waste incineration proposed in this invention. Figure 9 This is a schematic diagram of the structure of the fixing ring of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 10 This is a schematic diagram of the filter plate structure of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 11 This is a schematic diagram of the linkage scraping mechanism of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 12 This is a schematic diagram of the synchronous belt structure of a waste gas filtration and purification device for waste incineration proposed in this invention; Figure 13 This is a schematic diagram of the fixed cross-shaped structure of a waste gas filtration and purification device for waste incineration proposed in this invention. Figure 14 This is a schematic diagram of the structure of the wind turbine of a waste gas filtration and purification device for waste incineration proposed in this invention.

[0009] Legend: 1. Waste incineration mechanism; 11. Outer shell; 12. Waste disposal pipe; 13. Cover plate; 14. Cleaning port door; 15. Incineration component; 16. Exhaust port; 2. Protective shell; 3. Waste gas filtration mechanism; 31. Cylinder shell; 32. Fixed pipe; 33. Motor; 34. Water injection pipe; 35. Exhaust pipe; 36. Connecting pipe; 37. Drainage pipe; 38. Fixing ring; 39. Filter plate; 4. Circulating air pump; 5. Air blowing pipe; 6. Exhaust pipe; 7. Main drive linkage mechanism; 71. Bevel gear one; 72. Fixed connector; 73. Shaft; 74. Pulley; 75. Synchronous belt; 76. Gear; 77. Bevel gear two; 8. Linkage scraping mechanism; 81. Fixed connector ring; 82. Gear ring; 83. Fixed connector cross; 84. Cross scraper; 9. Speed-up exhaust mechanism; 91. Bevel gear three; 92. Fixed frame; 93. Rotating rod; 94. Wind turbine; 95. Bevel gear four. Detailed Implementation

[0010] 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. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0011] Reference Figures 1-14 An embodiment of the present invention provides a waste gas filtration and purification device for waste incineration, comprising a waste incineration mechanism 1 and a protective shell 2, characterized in that: a waste gas filtration mechanism 3 is fixedly connected to one side of the waste incineration mechanism 1, a circulating air pump 4 is fixedly connected inside the protective shell 2, an air blowing pipe 5 is fixedly connected to the output end of the circulating air pump 4, an air extraction pipe 6 is fixedly connected to the input end of the circulating air pump 4, and a main drive linkage mechanism 7, a linkage scraping mechanism 8, and a speed-up exhaust mechanism 9 are provided inside the waste gas filtration mechanism 3; The exhaust gas filtration mechanism 3 includes a cylindrical shell 31, a fixed pipe 32 fixedly connected to the lower part of the cylindrical shell 31 away from the waste incineration mechanism 1, and a motor 33 fixedly connected to the end of the fixed pipe 32 away from the cylindrical shell 31. A water injection pipe 34 is fixedly connected to the middle part of the cylindrical shell 31 away from the protective shell 2. An exhaust pipe 35 is fixedly connected to the top of the cylindrical shell 31. A connecting pipe 36 is fixedly connected to the side of the cylindrical shell 31 away from the fixed pipe 32. A drain pipe 37 is fixedly connected to the lower end of the cylindrical shell 31. A fixing ring 38 is fixedly connected inside the cylindrical shell 31. A filter plate 39 is fixedly connected to the inner wall of the fixing ring 38.

[0012] The waste incineration mechanism 1 includes an outer shell 11, a waste disposal pipe 12 fixedly connected to the upper part of the outer shell 11 away from the exhaust gas filter mechanism 3, and a cover plate 13 hinged to the upper part of the waste disposal pipe 12 away from the exhaust gas filter mechanism 3. A cleaning port door plate 14 is hinged to the lower part of the outer shell 11 away from the exhaust gas filter mechanism 3. An incineration component 15 is fixedly connected to the inner bottom of the outer shell 11. An exhaust port 16 is opened through the upper part of the outer shell 11 away from the waste disposal pipe 12. The end of the connecting pipe 36 away from the cylinder shell 31 is fixedly connected to the inner wall of the exhaust port 16.

[0013] The main drive linkage mechanism 7 includes a bevel gear 71 fixedly connected to the output end of the motor 33, two fixed fasteners 72 respectively fixedly connected to the inner walls of the two opposite sides of the cylindrical shell 31, and two shafts 73 respectively rotatably connected to the middle of the two fixed fasteners 72. The upper outer walls of the two shafts 73 are fixedly connected to pulleys 74, and the upper ends of the two shafts 73 are fixedly connected to gears 76. The lower end of the shaft 73 near the bevel gear 71 is fixedly connected to a bevel gear 77. The bevel gear 71 and the bevel gear 77 mesh with each other, and the two pulleys 74 are connected externally by a synchronous belt 75.

[0014] The linkage scraping mechanism 8 includes two fixed rings 81 fixedly connected to the inner wall of the cylinder shell 31, a toothed ring 82 rotatably connected between the two fixed rings 81, and a fixed cross 83 fixedly connected to the upper inner wall of the toothed ring 82. A cross scraper 84 is fixedly connected to the upper side of the fixed cross 83. Both gears 76 mesh with the lower inner wall of the toothed ring 82. The upper side of the cross scraper 84 is in close contact with the lower side of the filter plate 39.

[0015] The speed-up ventilation mechanism 9 includes a fixed frame 92 fixedly connected to the inner wall of the connecting pipe 36 near the end of the cylindrical shell 31, a bevel gear 91 fixedly connected to the lower end of a shaft 73 away from the bevel gear 71, and a rotating rod 93 rotatably connected to the middle of the fixed frame 92. A wind turbine 94 is fixedly connected to the outer wall of the middle part of the rotating rod 93. A bevel gear 95 is fixedly connected to the end of the rotating rod 93 away from the fixed frame 92. The bevel gear 91 and the bevel gear 95 mesh with each other. The wind turbine 94 is located inside the connecting pipe 36 near the end of the cylindrical shell 31.

[0016] The end of the blowing pipe 5 away from the circulating air pump 4 passes through the lower outer wall of the shell 31 and extends into its interior. The air outlet of the blowing pipe 5 is located below the filter plate 39. The end of the suction pipe 6 away from the circulating air pump 4 passes through the upper outer wall of the shell 31 and extends into its interior. The air inlet of the suction pipe 6 is located above the filter plate 39.

[0017] The filter plate 39 is made of activated carbon filter material, the water inlet pipe 34 is connected to the external water source, and the drain pipe 37 is equipped with a control valve.

[0018] One end of the exhaust pipe 35 extends to the external purification area or high-altitude emission point. The incineration component 15 is made of high-temperature resistant alloy material. A sealing gasket is provided on the inner side of the cleaning port door plate 14, and a sealing rubber ring is provided on the lower side of the cover plate 13 to ensure the sealing during incineration.

[0019] The waste incineration unit, the exhaust gas filtration unit, the main drive linkage unit, the linkage scraping and cleaning unit, and the speed-up exhaust unit work together to achieve efficient filtration and purification of exhaust gas. Open the cover plate 13 and put the garbage into the outer shell 11 of the garbage incineration mechanism 1. Close the cover plate 13 and start the incineration component 15 for incineration. The exhaust gas generated by incineration enters the cylinder shell 31 of the exhaust gas filtration mechanism 3 through the exhaust port 16. Start the motor 33 and the circulating air pump 4. The motor 33 drives the bevel gear 71 of the main drive linkage mechanism 7 to rotate. The bevel gear 77 drives the shaft 73 to rotate. The shaft 73 drives the gear 76 to mesh with the gear ring 82 of the linkage scraping mechanism 8, so that the fixed cross 83 drives the cross scraper 84 to rotate and scrape the lower surface of the filter plate 39. Meanwhile, the shaft 73 drives the rotating rod 93 of the speed-up exhaust mechanism 9 to rotate through the pulley 74 and the synchronous belt 75, thereby driving the wind turbine 94 to rotate and accelerating the flow speed of exhaust gas in the shell 31. Purification liquid is injected into the shell 31 through the water injection pipe 34. After the exhaust gas is washed by the purification liquid and filtered by the filter plate 39, it is discharged through the exhaust pipe 35. The impurities generated by filtration are scraped off by the cross scraper 84. The sewage is discharged through the drain pipe 37. The circulating air pump 4 blows air into the filter plate 39 through the air blowing pipe 5 to further prevent the filter plate 39 from clogging.

[0020] Working Principle: This device constructs an integrated waste gas treatment process through the coordinated operation of the waste incineration mechanism, the waste gas filtration mechanism, and the linkage mechanism, which integrates incineration gas production, washing and filtration, and anti-clogging acceleration. The core focuses on power linkage, multi-stage purification, and automatic anti-clogging. During power transmission and waste gas acceleration, a single motor drives multiple mechanisms in linkage. After motor 33 starts, it drives bevel gear 71 to rotate, which in turn drives shaft 73 on the same side to rotate through meshing with bevel gear 77. This shaft 73 is linked to the other shaft 73 via pulley 74 and synchronous belt 75, causing both shafts 73 to rotate synchronously. The bevel gear at the lower end of shaft 73... The bevel gear 95 of the speed-up exhaust mechanism 91 meshes with the rotating rod 93 and the wind turbine 94, generating negative pressure suction. This accelerates the flow of waste gas from the exhaust port 16 through the connecting pipe 36 into the cylinder shell 31, ensuring smooth gas flow. This equipment can perform sealed incineration and gas production. The cover plate 13 is opened to allow waste to be fed into the outer shell 11. The cover plate is then closed, and the lower sealing rubber ring ensures a seal. The high-temperature alloy incinerator 15 is then activated for incineration. During incineration, the sealing gasket inside the cleaning port door plate 14 prevents waste gas leakage. The generated waste gas is directionally transported to the waste gas filtration mechanism 3 through the exhaust port 16, preventing... In response to environmental pollution, this equipment can also achieve multi-stage purification and automatic anti-clogging synergy. During dual purification of washing and filtration, purification liquid is injected into the cylinder shell 31 through the water injection pipe 34. After the exhaust gas enters the cylinder shell 31, it is first washed by the purification liquid, dissolving some harmful gases and dust. Then it passes upward through the activated carbon filter plate 39, which adsorbs the remaining pollutants, achieving deep purification. The purified exhaust gas is discharged to the external purification area or high altitude through the exhaust pipe 35, ensuring that the emission meets the standards. During the rotation scraping and airflow backflushing anti-clogging, the rotation of the shaft 73 drives the upper gear 76 to mesh with the gear ring 82, driving the gear ring 82 to achieve a fixed connection. The ring 81 rotates, which in turn drives the cross scraper 84 to rotate through the fixed cross 83. The cross scraper 84 is in close contact with the lower surface of the filter plate 39, scraping away impurities generated during filtration in real time to prevent the filter plate from clogging. At the same time, the circulating air pump 4 blows air under the filter plate 39 through the air blowing pipe 5 to form a reverse airflow, further cleaning the deposits in the filter plate pores. The air extraction pipe 6 extracts the purified gas above the filter plate to form an airflow circulation, improving the anti-clogging effect. The scraped impurities and the washed wastewater are deposited at the bottom of the shell 31 and discharged periodically through the drain pipe 37 to ensure the continuous and stable operation of the device without the need for frequent disassembly and cleaning.

[0021] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A waste gas filtering and purifying device for waste incineration, comprising a waste incineration mechanism (1) and a protective shell (2), characterized in that: The waste incineration mechanism (1) is fixedly connected to one side of the waste gas filtration mechanism (3), the protective shell (2) is fixedly connected to the inside of the circulating air pump (4), the output end of the circulating air pump (4) is fixedly connected to the air blowing pipe (5), the input end of the circulating air pump (4) is fixedly connected to the air extraction pipe (6), and the waste gas filtration mechanism (3) is provided with a main drive linkage mechanism (7), a linkage scraping mechanism (8) and a speed-up exhaust mechanism (9). The exhaust gas filtration mechanism (3) includes a cylindrical shell (31), a fixed pipe (32) fixedly connected to the lower part of the cylindrical shell (31) away from the waste incineration mechanism (1), and a motor (33) fixedly connected to the fixed pipe (32) away from the cylindrical shell (31). A water injection pipe (34) is fixedly connected to the middle part of the cylindrical shell (31) away from the protective shell (2). An exhaust pipe (35) is fixedly connected to the top of the cylindrical shell (31). A connecting pipe (36) is fixedly connected to the side of the cylindrical shell (31) away from the fixed pipe (32). A drain pipe (37) is fixedly connected to the lower end of the cylindrical shell (31). A fixing ring (38) is fixedly connected inside the cylindrical shell (31). A filter plate (39) is fixedly connected to the inner wall of the fixing ring (38).

2. The waste gas filtering and purifying device for waste incineration according to claim 1, characterized in that: The waste incineration mechanism (1) includes an outer shell (11), a waste disposal pipe (12) fixedly connected to the upper end of the outer shell (11) away from the exhaust gas filter mechanism (3), and a cover plate (13) hinged to the upper end of the waste disposal pipe (12) away from the exhaust gas filter mechanism (3). A cleaning port door plate (14) is hinged to the lower part of the outer shell (11) away from the exhaust gas filter mechanism (3). An incineration component (15) is fixedly connected to the inner bottom of the outer shell (11). An exhaust port (16) is opened through the upper part of the outer shell (11) away from the waste disposal pipe (12). One end of the connecting pipe (36) away from the cylinder shell (31) is fixedly connected to the inner wall of the exhaust port (16).

3. The waste gas filtering and purifying device for waste incineration according to claim 2, characterized in that: The main drive linkage mechanism (7) includes a bevel gear (71) fixedly connected to the output end of the motor (33), two fixed fasteners (72) respectively fixedly connected to the inner walls of the cylinder (31) on opposite sides, and two shafts (73) respectively rotatably connected to the middle of the two fixed fasteners (72) at their respective ends. The upper outer walls of the two shafts (73) are fixedly connected to pulleys (74), and the upper ends of the two shafts (73) are fixedly connected to gears (76). The lower end of the shaft (73) near the bevel gear (71) is fixedly connected to a bevel gear (77). The bevel gear (71) and the bevel gear (77) mesh with each other, and the two pulleys (74) are connected to each other by a synchronous belt (75).

4. The waste gas filtration and purification device for waste incineration according to claim 3, characterized in that: The linkage scraping mechanism (8) includes two fixed rings (81) fixedly connected to the inner wall of the cylinder shell (31), a toothed ring (82) rotatably connected between the two fixed rings (81), and a fixed cross (83) fixedly connected to the upper inner wall of the toothed ring (82). A cross scraper (84) is fixedly connected to the upper side of the fixed cross (83). Both gears (76) mesh with the lower inner wall of the toothed ring (82). The upper side of the cross scraper (84) is close to the lower side of the filter plate (39).

5. The waste gas filtration and purification device for waste incineration according to claim 3, characterized in that: The speed-up ventilation mechanism (9) includes a fixed frame (92) fixedly connected to the inner wall of the connecting pipe (36) near the cylindrical shell (31), a bevel tooth three (91) fixedly connected to the lower end of a shaft (73) away from the bevel tooth one (71), and a rotating rod (93) rotatably connected to the middle of the fixed frame (92). A wind turbine (94) is fixedly connected to the outer wall of the middle part of the rotating rod (93). A bevel tooth four (95) is fixedly connected to the end of the rotating rod (93) away from the fixed frame (92). The bevel tooth three (91) and the bevel tooth four (95) mesh with each other. The wind turbine (94) is located inside the connecting pipe (36) near the cylindrical shell (31).

6. The waste gas filtration and purification device for waste incineration according to claim 2, characterized in that: The end of the blowing pipe (5) away from the circulating air pump (4) penetrates the lower outer wall of the shell (31) and extends into its interior. The air outlet of the blowing pipe (5) is located below the filter plate (39). The end of the suction pipe (6) away from the circulating air pump (4) penetrates the upper outer wall of the shell (31) and extends into its interior. The air inlet of the suction pipe (6) is located above the filter plate (39).

7. The waste gas filtration and purification device for waste incineration according to claim 6, characterized in that: The filter plate (39) is made of activated carbon filter material, the water injection pipe (34) is connected to an external water source, and the drain pipe (37) is equipped with a control valve.

8. The waste gas filtration and purification device for waste incineration according to claim 6, characterized in that: One end of the exhaust pipe (35) extends to the external purification area or high-altitude emission point. The incineration component (15) is made of high-temperature resistant alloy material. A sealing gasket is provided on the inner side of the cleaning port door plate (14), and a sealing rubber ring is provided on the lower side of the cover plate (13) to ensure the sealing during incineration.

9. The waste gas filtration and purification device for waste incineration according to claim 4, characterized in that: The waste incineration unit, the exhaust gas filtration unit, the main drive linkage unit, the linkage scraping and cleaning unit, and the speed-up exhaust unit work together to achieve efficient filtration and purification of exhaust gas. Open the cover (13) and put the garbage into the outer shell (11) of the garbage incineration mechanism (1). Close the cover (13) and start the incineration component (15) for incineration. The exhaust gas generated by incineration enters the cylinder shell (31) of the exhaust gas filtration mechanism (3) through the exhaust port (16). Start the motor (33) and the circulating air pump (4). The motor (33) drives the bevel gear one (71) of the main drive linkage mechanism (7) to rotate. Through the bevel gear two (77), the shaft (73) is driven to rotate. The shaft (73) drives the gear (76) to mesh with the gear ring (82) of the linkage scraping mechanism (8), so that the fixed cross (83) drives the cross scraper (84) to rotate and scrape the lower surface of the filter plate (39). At the same time, the shaft (73) drives the rotating rod (93) of the speed-up exhaust mechanism (9) to rotate through the pulley (74) and the synchronous belt (75), which drives the wind turbine (94) to rotate and accelerates the flow speed of exhaust gas in the shell (31); Purification liquid is injected into the cylinder shell (31) through the water injection pipe (34). After the exhaust gas is washed by the purification liquid and filtered by the filter plate (39), it is discharged through the exhaust pipe (35). The impurities generated by filtration are scraped off by the cross scraper (84). The sewage is discharged through the drain pipe (37). The circulating air pump (4) blows air to the filter plate (39) through the air blowing pipe (5) to further prevent the filter plate (39) from clogging.

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