Waste gas purification device with detection effect

Abstract

The invention discloses a waste gas purification device with a detection effect, and relates to the technical field of atmospheric pollution, the waste gas purification device comprises a purification device, a power device is arranged on the upper side of the outer surface of the purification device, the purification device comprises a purification device box body, and an inlet-outlet base is fixedly connected to the left side of the outer surface of the purification device box body; according to the waste gas purification device with the detection effect, through a power device arranged on the upper side of the outer surface of the purification device and a rotating motor arranged in the power device, when the rotating motor is started, a rotating circular shaft drives a fan-shaped gear plate to move up and down; as the left side of the outer surface of the sector gear plate is in lap joint with the outer surface of the pushing gear rod, the rotating cylinder rotates to drive the filter cylinder to rotate, the filter cylinder rotates to enable the filter surface of the filter cylinder to rotate, the manual replacement frequency is reduced, the work cycle is prolonged, and time and manpower are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of air pollution, and specifically to an exhaust gas purification device with detection effect. Background Art

[0002] An exhaust gas purification device with detection effect usually combines exhaust gas purification and on-line monitoring technologies to ensure that the exhaust gas discharged from a thermal power plant meets environmental protection standards and can effectively reduce pollutant emissions. The patent with the patent announcement number CN214319504U relates to the technical field of exhaust gas treatment, and discloses an exhaust gas purification device with detection effect, including a purification device. A power device is arranged on the upper side of the outer surface of the purification device. The purification device includes a purification device box body. The left side of the outer surface of the purification device box body is fixedly connected with an inlet and outlet base, and the left side of the outer surface of the inlet and outlet base is fixedly connected with a fixed pipe. For this exhaust gas purification device with detection effect, through the power device arranged on the upper side of the outer surface of the purification device and through the rotating motor arranged in the power device, when the rotating motor is started, the rotating shaft drives the sector gear plate to move up and down. Since the left side of the outer surface of the sector gear plate is in contact with the outer surface of the push gear rod, the push gear rod moves up and down in the upper and lower sliding grooves, thereby squeezing the exhaust gas in the purification device, and thus achieving the effect of improving the purification rate.

[0003] In the above patent, since the left side of the outer surface of the sector gear plate is in contact with the outer surface of the push gear rod, the push gear rod moves up and down in the upper and lower sliding grooves, thereby squeezing the exhaust gas in the purification device, and thus achieving the effect of improving the purification rate. However, the filtering surface of the filter plate during long-term operation becomes difficult to achieve the original filtering effect as the working time increases, and it is difficult to switch the filtering surface during the filtering period of the filter plate, reducing the equipment service life and filtering quality and increasing the replacement frequency. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides an exhaust gas purification device with detection effect, which solves the problems raised in the above background art.

[0005] To achieve the above object, the present invention is realized through the following technical solutions: An exhaust gas purification device with a detection effect, including a base, on the top of the base is fixedly installed a filter box, on the surface of the filter box is fixedly penetrated an air inlet pipe, on the top of the base is fixedly installed an exhaust fan, on the top of the exhaust fan is fixedly installed a detection box, on the surface of the exhaust fan is fixedly penetrated an air outlet pipe, on the top of the filter box is fixedly penetrated a transport pipe, inside the filter box is provided a filtering device, the filtering device includes: a motor, a long rod, a fan blade, a rotating rod, a connecting block, a fixed circular plate, a sealing box, a sliding rod, a curved surface block, a fixed cylinder, a rotating cylinder, a sliding cylinder, a rotating block, a fixed block and a filter cylinder, the motor is fixedly installed inside the base, the long rod is fixedly installed at the output end of the motor, the fan blade is fixedly installed on the circumferential surface of the long rod, the rotating rod is fixedly installed on the circumferential surface of the long rod, at the end of the rotating rod away from the long rod is fixedly installed a first spring, the connecting block is connected through the first spring, the fixed circular plate is fixedly installed on the inner wall of the filter box, inside the fixed circular plate is provided a long groove, the sealing box is fixedly installed on the top of the fixed circular plate, the sliding rod is slidably installed on the inner wall of the long groove, the curved surface block is fixedly installed at the bottom of the sliding rod, the fixed cylinder is fixedly installed on the inner wall of the filter box, the rotating cylinder is rotatably installed on the inner wall of the filter box, the sliding cylinder is slidably installed on the circumferential surface of the rotating cylinder, the rotating block is rotatably installed on the surface of the sliding rod, the fixed block is fixedly installed on the surface of the sliding rod, the filter cylinder is detachably installed on the inner wall of the rotating cylinder, inside the filter box is also provided a closing device for closing the air outlet pipe and a prompting device for prompting the replacement of the filter cylinder. The rotation of the long rod drives the rotation of the fan blade, and the rotation of the filter cylinder can make its filtering surface rotate.

[0006] According to the above technical solution, a second spring is provided between the sliding rod and the fixed circular plate, the connecting block contacts the curved surface block, and the sliding rod is driven to reset through the second spring.

[0007] According to the above technical solution, the closing device includes: a square block, a circular groove circular plate, a thin rod, a baffle and a square long block, a rotating plate is fixedly installed on the surface of the sliding cylinder, the square block is fixedly installed on the surface of the rotating plate, the circular groove circular plate is fixedly installed on the top of the filter box, the thin rod rotatably penetrates through the inner and outer walls of the sealing box, the baffle is fixedly installed on the circumferential surface of the thin rod, the square long block is fixedly installed on the circumferential surface of the thin rod, and the rotation of the baffle closes the circular groove on the circular groove circular plate.

[0008] According to the above technical solution, the closing device further includes: a square short block, a round cover, a short rotating rod and a curved rotating rod. The square short block is fixedly installed on the circumferential surface of the thin rod. The round cover is detachably installed inside the filter box. The short rotating rod is rotatably installed through the inside of the round cover. The curved rotating rod is fixedly installed on the circumferential surface of the short rotating rod. Only when the curved rotating rod no longer limits the round cover can the round cover be opened.

[0009] According to the above technical solution, a third spring is arranged between the short rotating rod and the curved rotating rod, and the third spring drives the curved rotating rod to reset. A torsion spring is arranged between the round groove circular plate and the thin rod, and the torsion spring drives the thin rod to reset.

[0010] According to the above technical solution, the prompting device includes: an inclined surface sliding rod, a rotating handle, a thick rotating rod and a rotating long rod. The inclined surface sliding rod is slidably installed through the inner and outer walls of the fixed circular plate. The rotating handle is rotatably installed on the surface of the round cover. The thick rotating rod is rotatably installed through the inner and outer walls of the round cover. The rotating long rod is fixedly installed on the circumferential surface of the thick rotating rod. Impurities on the surface of the filter cylinder fall off due to vibration.

[0011] According to the above technical solution, the prompting device further includes: a U-shaped baffle, a bottom plate and an inclined surface block. The U-shaped baffle is slidably installed on the inner wall of the filter box. The bottom plate is fixedly installed on the top of the U-shaped baffle. The inclined surface block is fixedly installed on the top of the bottom plate. By the misalignment of the circular hole opened on the reset surface and the air inlet pipe, the function of closing the filter box is achieved.

[0012] According to the above technical solution, a fourth spring is arranged between the U-shaped baffle and the filter box. The inclined surface block contacts the filter cylinder, and the fourth spring drives the U-shaped baffle to reset.

[0013] The present invention provides an exhaust gas purification device with a detection effect, having the following beneficial effects: (1) In this invention, the rotation of the long rod drives the rotation of the fan blades. The rotation of the fan blades increases the rate of exhaust gas transmission and improves the working efficiency of filtration. The rotation of the rotating cylinder drives the rotation of the filter cylinder. The rotation of the filter cylinder can rotate its filtering surface, thereby switching the filtering position, avoiding the filtering surface failing to achieve the original filtering effect due to long-term work, improving the filtering quality of continuous work by rotating the filtering surface to replace the filtering surface, reducing the frequency of manual replacement, increasing the working cycle, and reducing time and manpower.

[0014] (2) In this invention, the circular grooves on the circular groove plate are closed by the rotation of the baffle. The closure of the circular grooves can prevent the gas in the filter box from leaking out when replacing the filter cartridge, improving the safety and working efficiency of preventing unfiltered gas from leaking. By the curved rotating rod no longer limiting the circular cover, the circular cover can be opened at this time, preventing potential safety hazards caused by the staff opening the circular cover before the air outlet is fully closed, and improving the stability and safety of the work.

[0015] (3) In this invention, the impurities on the surface of the filter cartridge fall off due to vibration, avoiding the adsorption of impurities on the surface of the filter cartridge when the staff replaces the filter cartridge, which is not convenient for pulling out the filter cartridge, improving the time for replacing the filter cartridge, and improving the working efficiency. By the U-shaped baffle being misaligned with the intake pipe through the circular holes opened on the reset surface to achieve the function of closing the filter box, the problem of leakage of residual waste gas in the filter box when the filter cartridge is completely taken out is avoided, reducing the safety hazard to the staff and the efficiency of waste gas treatment. Brief Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the filter box of the present invention; Figure 3 It is a schematic diagram of the structure of the filter device of the present invention; Figure 4 It is a schematic diagram of the position structure of the filter cartridge of the present invention; Figure 5 It is a schematic diagram of the structure of the sliding rod of the present invention; Figure 6 It is a schematic diagram of the position structure of the thin rod of the present invention; Figure 7 It is a schematic diagram of the structure of the circular cover of the present invention.

[0017] In the figure: 1, base; 2, filter box; 3, intake pipe; 4, exhaust fan; 5, detection box; 6, outlet pipe; 7, transport pipe; 801, motor; 802, long rod; 803, fan blade; 804, rotating rod; 805, connecting block; 806, fixed circular plate; 807, sealing box; 808, sliding rod; 809, curved surface block; 810, fixed cylinder; 811, rotating cylinder; 812, sliding cylinder; 813, rotating block; 814, fixed block; 815, filter cartridge; 901, square block; 902, circular groove plate; 903, thin rod; 904, baffle; 905, square long block; 906, square short block; 907, circular cover; 908, short rotating rod; 909, curved rotating rod; 1001, inclined plane sliding rod; 1002, rotating handle; 1003, thick rotating rod; 1004, rotating long rod; 1005, U-shaped baffle; 1006, bottom plate; 1007, inclined plane block. Detailed Embodiments

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-7 , an embodiment of the present invention is: an exhaust gas purification device with a detection effect, including a base 1, a filter box 2 is fixedly installed on the top of the base 1, an intake pipe 3 is fixedly penetrated through the surface of the filter box 2, a suction fan 4 is fixedly installed on the top of the base 1, a detection box 5 is fixedly installed on the top of the suction fan 4, an outlet pipe 6 is fixedly penetrated through the surface of the suction fan 4, a transport pipe 7 is fixedly penetrated through the top of the filter box 2, and a filtering device is arranged inside the filter box 2. The filtering device includes: a motor 801, a long rod 802, a fan blade 803, a rotating rod 804, a connecting block 805, a fixed circular plate 806, a sealing box 807, a sliding rod 808, a curved surface block 809, a fixed cylinder 810, a rotating cylinder 811, a sliding cylinder 812, a rotating block 813, a fixed block 814, and a filter cylinder 815. The motor 801 is fixedly installed inside the base 1, the long rod 802 is fixedly installed at the output end of the motor 801, the fan blade 803 is fixedly installed on the circumferential surface of the long rod 802, the rotating rod 804 is fixedly installed on the circumferential surface of the long rod 802, a first spring is fixedly installed at one end of the rotating rod 804 away from the long rod 802, the connecting block 805 is connected through the first spring, the fixed circular plate 806 is fixedly installed on the inner wall of the filter box 2, a long groove is opened inside the fixed circular plate 806, the sealing box 807 is fixedly installed on the top of the fixed circular plate 806, the sliding rod 808 is slidably installed on the inner wall of the long groove, the curved surface block 809 is fixedly installed at the bottom of the sliding rod 808, the fixed cylinder 810 is fixedly installed on the inner wall of the filter box 2, the rotating cylinder 811 is rotatably installed on the inner wall of the filter box 2, the sliding cylinder 812 is slidably installed on the circumferential surface of the rotating cylinder 811, the rotating block 813 is rotatably installed on the surface of the sliding rod 808, the fixed block 814 is fixedly installed on the surface of the sliding rod 808, and the filter cylinder 815 is detachably installed on the inner wall of the rotating cylinder 811. Rotation increases the rate of exhaust gas transmission, improves the working efficiency of filtration, reduces the frequency of manual replacement, increases the working cycle, and reduces time and manpower.

[0020] A second spring is provided between the sliding rod 808 and the fixed circular plate 806, and the connecting block 805 contacts the curved surface block 809, and the sliding rod 808 is driven to reset through the second spring.

[0021] During the operation of this embodiment: When the purification device is started, the motor 801 and the exhaust fan 4 are started. The rotation of the motor 801 drives the rotation of the long rod 802, and the rotation of the long rod 802 drives the rotation of the fan blade 803. The rotation of the fan blade 803 increases the rate of exhaust gas transmission and improves the working efficiency of filtration. The rotation of the long rod 802 drives the rotation of the rotating rod 804, and the rotation of the rotating rod 804 drives the rotation of the connecting block 805. During the process of the connecting block 805 rotating from fast to slow, it contacts the curved surface block 809 through the first spring. The curved surface block 809 is lifted by the connecting block 805 and does not contact the curved surface block 809 when the rotation speed is the fastest. The lifting of the curved surface block 809 drives the sliding of the sliding rod 808, the sliding of the sliding rod 808 drives the sliding of the rotating block 813, the sliding of the rotating block 813 drives the rotation of the rotating plate, the rotation of the rotating plate drives the rotation of the sliding cylinder 812, the rotation of the sliding cylinder 812 drives the rotation of the rotating cylinder 811, and the rotation of the rotating cylinder 811 drives the rotation of the filter cylinder 815. The rotation of the filter cylinder 815 can rotate its filter surface, avoiding the situation that the filter surface fails to achieve the original filtration effect due to long-term work. By rotating the filter surface to replace the filter surface, the filtration quality during continuous work is improved, the frequency of manual replacement is reduced, the working cycle is increased, and time and manpower are reduced.

[0022] Please refer to Figures 1-7 , on the basis of the above embodiment, in another embodiment of the present invention, a closing device for closing the air outlet pipe 6 and a prompting device for reminding to replace the filter cylinder 815 are further provided inside the filter box 2. The closing device includes: a square block 901, a round groove circular plate 902, a thin rod 903, a baffle 904, and a square long block 905. A rotating plate is fixedly installed on the surface of the sliding cylinder 812, the square block 901 is fixedly installed on the surface of the rotating plate, the round groove circular plate 902 is fixedly installed on the top of the filter box 2, the thin rod 903 rotates through the inner and outer walls of the sealing box 807, the baffle 904 is fixedly installed on the circumferential surface of the thin rod 903, and the square long block 905 is fixedly installed on the circumferential surface of the thin rod 903. The closing of the round groove can prevent the gas in the filter box 2 from leaking out when replacing the filter cylinder 815, improving the safety and working efficiency of preventing the leakage of unfiltered gas.

[0023] The closing device further includes: a square short block 906, a round cover 907, a short rotating rod 908, and a curved rotating rod 909. The square short block 906 is fixedly installed on the circumferential surface of the thin rod 903, the round cover 907 is detachably installed inside the filter box 2, the short rotating rod 908 rotates through the inside of the round cover 907, and the curved rotating rod 909 is fixedly installed on the circumferential surface of the short rotating rod 908, preventing potential safety hazards caused by the operator opening the round cover 907 before the air outlet is completely closed, and improving the stability and safety of the work.

[0024] A third spring is provided between the short rotating rod 908 and the curved rotating rod 909, and a torsion spring is provided between the circular groove circular plate 902 and the thin rod 903. The third spring drives the curved rotating rod 909 to reset, and the torsion spring drives the thin rod 903 to reset.

[0025] The prompting device includes: an inclined plane sliding rod 1001, a rotating handle 1002, a thick rotating rod 1003, and a rotating long rod 1004. The inclined plane sliding rod 1001 slidably penetrates and is installed on the inner and outer walls of the fixed circular plate 806. The rotating handle 1002 is rotatably installed on the surface of the circular cover 907. The thick rotating rod 1003 rotatably penetrates the inner and outer walls of the circular cover 907. The rotating long rod 1004 is fixedly installed on the circumferential surface of the thick rotating rod 1003, which avoids the problem that when the staff replaces the filter cartridge 815, it is not easy to pull out the filter cartridge 815 due to the adsorption of impurities on its surface, improves the time for replacing the filter cartridge 815, and improves the work efficiency.

[0026] The prompting device further includes: a U-shaped baffle 1005, a bottom plate 1006, and an inclined plane block 1007. The U-shaped baffle 1005 is slidably installed on the inner wall of the filter box 2. The bottom plate 1006 is fixedly installed on the top of the U-shaped baffle 1005. The inclined plane block 1007 is fixedly installed on the top of the bottom plate 1006, which avoids the problem of waste gas leakage when the filter cartridge 815 is completely taken out, reduces the safety hazard to the staff, and the efficiency of waste gas treatment.

[0027] A fourth spring is provided between the U-shaped baffle 1005 and the filter box 2. The inclined plane block 1007 contacts the filter cartridge 815, and the fourth spring drives the U-shaped baffle 1005 to reset.

[0028] When this embodiment works: the rotating plate rotates to drive the square block 901 to rotate. After the square block 901 rotates 180 degrees, it indicates that the filter cartridge 815 needs to be replaced. Before replacing the filter cartridge 815, the square block 901 rotates to drive the square long block 905 to rotate. The square long block 905 rotates to drive the thin rod 903 to rotate. The thin rod 903 rotates to drive the baffle 904 to rotate. The baffle 904 rotates to close the circular groove on the circular groove circular plate 902. The closing of the circular groove can prevent the gas in the filter box 2 from leaking out when replacing the filter cartridge 815, improving the safety and work efficiency of preventing unfiltered gas from leaking out. The thin rod 903 rotates to drive the square short block 906 to rotate. The square short block 906 rotates and contacts the curved rotating rod 909 and is squeezed to rotate. After the curved rotating rod 909 rotates, the circular cover 907 can be completely opened. This avoids the situation that the circular cover 907 cannot be opened when the air outlet is not completely closed. Only when the air outlet is completely closed, the curved rotating rod 909 no longer limits the circular cover 907, and at this time the circular cover 907 can be opened, preventing the safety hazard caused by the staff opening the circular cover 907 before the air outlet is not completely closed, and improving the stability and safety of the work.

[0029] The rotation of the square long block 905 drives the sliding of the inclined plane sliding rod 1001. When the inclined plane sliding rod 1001 slides downward, it contacts the connecting block 805. The rotation of the connecting block 805 knocks on the inclined plane sliding rod 1001, and the impurities on the surface of the filter cartridge 815 fall off due to vibration, avoiding the adsorption of impurities on the surface of the filter cartridge 815 when the staff replaces the filter cartridge 815, which is not convenient for pulling out the filter cartridge 815, improving the time for replacing the filter cartridge 815, and improving work efficiency. When the filter cartridge 815 is completely taken out, the inclined plane block 1007 is no longer restricted by the extrusion force of the filter cartridge 815, and the U-shaped baffle 1005 is reset by the fourth spring. The U-shaped baffle 1005 is misaligned with the air inlet pipe 3 through the circular hole opened on the reset surface to achieve the function of closing the filter box 2, avoiding the problem of leakage of residual waste gas in the filter box 2 when the filter cartridge 815 is completely taken out, reducing the safety hazard to the staff and the efficiency of waste gas treatment.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust gas purification device with a detection effect, comprising a base (1), characterized in that: A filter box (2) is fixedly installed at the top of the base (1). An air inlet pipe (3) is fixedly penetrated through the surface of the filter box (2). A suction fan (4) is fixedly installed at the top of the base (1). A detection box (5) is fixedly installed at the top of the suction fan (4). An air outlet pipe (6) is fixedly penetrated through the surface of the suction fan (4). A transport pipe (7) is fixedly penetrated through the top of the filter box (2). A filtering device is arranged inside the filter box (2). The filtering device includes: a motor (801), a long rod (802), a fan blade (803), a rotating rod (804), a connecting block (805), a fixed circular plate (806), a sealing box (807), a sliding rod (808), a curved surface block (809), a fixed cylinder (810), a rotating cylinder (811), a sliding cylinder (812), a rotating block (813), a fixed block (814) and a filter cylinder (815). The motor (801) is fixedly installed inside the base (1). The long rod (802) is fixedly installed at the output end of the motor (801). The fan blade (803) is fixedly installed on the circumferential surface of the long rod (802). The rotating rod (804) is fixedly installed on the circumferential surface of the long rod (802). One end of the rotating rod (804) away from the long rod (802) is fixedly installed with a first spring. The connecting block (805) is connected through the first spring. The fixed circular plate (806) is fixedly installed on the inner wall of the filter box (2). A long groove is formed inside the fixed circular plate (806). The sealing box (807) is fixedly installed on the top of the fixed circular plate (806). The sliding rod (808) is slidably installed on the inner wall of the long groove. The curved surface block (809) is fixedly installed at the bottom of the sliding rod (808). The fixed cylinder (810) is fixedly installed on the inner wall of the filter box (2). The rotating cylinder (811) is rotatably installed on the inner wall of the filter box (2). The sliding cylinder (812) is slidably installed on the circumferential surface of the rotating cylinder (811). The rotating block (813) is rotatably installed on the surface of the sliding rod (808). The fixed block (814) is fixedly installed on the surface of the sliding rod (808). The filter cylinder (815) is detachably installed on the inner wall of the rotating cylinder (811). A closing device for closing the air outlet pipe (6) and a prompting device for reminding the replacement of the filter cylinder (815) are further arranged inside the filter box (2).

2. An exhaust gas purification device with a detection effect according to claim 1, characterized in that: A second spring is arranged between the sliding rod (808) and the fixed circular plate (806). The connecting block (805) is in contact with the curved surface block (809).

3. An exhaust gas purification device with a detection effect according to claim 2, characterized in that: The closing device includes: a square block (901), a circular groove circular plate (902), a thin rod (903), a baffle (904), and a square long block (905). A rotating plate is fixedly installed on the surface of the sliding cylinder (812), and the square block (901) is fixedly installed on the surface of the rotating plate. The circular groove circular plate (902) is fixedly installed on the top of the filter box (2). The thin rod (903) rotatably penetrates the inner and outer walls of the sealing box (807). The baffle (904) is fixedly installed on the circumferential surface of the thin rod (903), and the square long block (905) is fixedly installed on the circumferential surface of the thin rod (903).

4. An exhaust gas purification device with a detection effect according to claim 3, characterized in that: The closing device further includes: a square short block (906), a circular cover (907), a short rotating rod (908), and a curved rotating rod (909). The square short block (906) is fixedly installed on the circumferential surface of the thin rod (903). The circular cover (907) is detachably installed inside the filter box (2). The short rotating rod (908) rotatably penetrates and is installed inside the circular cover (907), and the curved rotating rod (909) is fixedly installed on the circumferential surface of the short rotating rod (908).

5. An exhaust gas purification device with a detection effect according to claim 4, characterized in that: A third spring is provided between the short rotating rod (908) and the curved rotating rod (909), and a torsion spring is provided between the circular groove circular plate (902) and the thin rod (903).

6. An exhaust gas purification device with a detection effect according to claim 5, characterized in that: The prompting device includes: an inclined surface sliding rod (1001), a rotating handle (1002), a thick rotating rod (1003), and a rotating long rod (1004). The inclined surface sliding rod (1001) slidably penetrates the inner and outer walls of the fixed circular plate (806). The rotating handle (1002) is rotatably installed on the surface of the circular cover (907). The thick rotating rod (1003) rotatably penetrates the inner and outer walls of the circular cover (907), and the rotating long rod (1004) is fixedly installed on the circumferential surface of the thick rotating rod (1003).

7. An exhaust gas purification device with a detection effect according to claim 6, characterized in that: The prompting device further includes: a U-shaped baffle (1005), a bottom plate (1006), and an inclined surface block (1007). The U-shaped baffle (1005) is slidably installed on the inner wall of the filter box (2). The bottom plate (1006) is fixedly installed on the top of the U-shaped baffle (1005), and the inclined surface block (1007) is fixedly installed on the top of the bottom plate (1006).

8. An exhaust gas purification device with a detection effect according to claim 7, characterized in that: A fourth spring is provided between the U-shaped baffle (1005) and the filter box (2), and the inclined surface block (1007) contacts the filter cylinder (815).

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