An exhaust gas filtering treatment device for incinerator

Abstract

The application discloses a tail gas filtering treatment device of an incinerator and relates to the technical field of waste gas treatment equipment. The device comprises an outer cylinder, a hollow supporting block arranged in the outer cylinder, a bearing ring fixedly connected between the outer cylinder and the supporting block, a fixed ring fixedly connected to the top end of the supporting block, a rotating cylinder rotatably connected to the top end of the fixed ring, a plurality of filter plates penetrating through the outer wall of the rotating cylinder, an outer pasting box and an inner pasting box slidably connected to the outer side and the inner side of the fixed ring respectively, a second sliding block slidably connected to the inner pasting box, an air inlet hole arranged on the bearing ring, and a communicating nozzle arranged on the supporting block at the air inlet hole. When the rotating cylinder is driven to rotate, the filter plates can be conveniently replaced and maintained. When the nozzle sprays gas, negative pressure is formed at the air inlet hole, the gas is mixed with flue gas, the flue gas is effectively cooled, the second sliding block slides up and down to blow back the filter plates, a brush slides on the outer side of the filter plates to pump the dust brushed off into a dust collecting bag, and the device does not need to be stopped, thereby being high in working efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste gas treatment equipment, in particular to a tail gas filtering treatment device of an incinerator. BACKGROUND

[0002] The incinerator is a kind of harmless treatment equipment commonly used in medical and household waste and animal harmless treatment, and its principle is to use coal, fuel oil, fuel gas and other fuels to burn and carbonize the objects to be treated at high temperature, so as to achieve the purpose of disinfection. There are many classification methods from different angles. According to the classification of incineration chamber, it can be divided into single-chamber incinerator and multi-chamber incinerator. According to the relationship between the direction of combustion flue gas and the direction of garbage movement, the furnace body can be divided into downflow type, upflow type, crossflow type and secondary flow type. A large amount of flue gas will be generated during the incineration of the incinerator, and the flue gas needs to be filtered before being discharged. The traditional flue gas filtering device is usually filtered by a filter plate, and the filter plate needs to be replaced regularly during use.

[0003] However, the above-mentioned and similar technical solutions still have some problems in actual use:

[0004] 1. During the filtering process, the temperature of the flue gas is high, and the flue gas directly contacts the filter plate. Long-term high-temperature effect can easily cause thermal deformation of the filter plate material, deterioration of the material quality, and even burning of the filter plate. This thermal damage not only shortens the service life of the filter plate, but also affects the filtering efficiency, increases the equipment maintenance cost and downtime;

[0005] 2. The current filtering system design requires shutdown operation when cleaning the filter plate, which affects the continuous operation capacity of the production line. Shutdown replacement not only consumes time, but also reduces the overall work efficiency;

[0006] 3. When using a large-area filter plate to improve the filtering efficiency, the weight of the filter plate increases significantly, which brings great inconvenience to daily maintenance and maintenance work. The operator needs to spend more physical effort when checking, cleaning or replacing, which not only increases the labor intensity, but also may cause safety accidents due to improper operation. SUMMARY

[0007] The purpose of the present application is to solve the problems existing in the prior art, and to provide a tail gas filtering treatment device of an incinerator which can conveniently cool the flue gas, automatically clean and discharge dust from the filter plate, and replace the filter plate.

[0008] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0009] The exhaust gas filtering treatment device of the incinerator comprises an outer cylinder, a filtering mechanism connected to the outer cylinder, a supporting ring fixedly connected between the outer cylinder and the supporting block, a fixed ring fixedly connected to the top end of the supporting block, a rotating cylinder rotatably connected to the top end of the fixed ring, a plurality of filtering plates fixedly connected to the outer wall of the rotating cylinder through bolts, and an air extraction fan installed on the top end of the outer cylinder.

[0010] A collecting mechanism is connected to the fixed ring, which comprises an outer paste box and an inner paste box. The outer paste box and the inner paste box are slidably connected to the outer side and the inner side of the fixed ring, respectively. A soft tube is fixedly connected to the outer paste box. A second sliding block is slidably connected to the inner paste box. An air inlet pipe is fixedly connected to the second sliding block.

[0011] A cooling mechanism is connected to the supporting ring, which comprises a plurality of air inlet holes. A plurality of air inlet holes are arranged on the supporting ring. A plurality of nozzles are installed on the supporting block at each air inlet hole. An air supply pipe is installed on the supporting block.

[0012] Preferably, one end of the air supply pipe connected to the supporting block is provided with a branch pipe in communication. A first electromagnetic valve is installed on the branch pipe. The air supply pipe is in communication with the supporting block through the branch pipe and the first electromagnetic valve. The end of the air inlet pipe is installed on the air supply pipe. A second electromagnetic valve is installed on the air inlet pipe. The air supply pipe is in communication with the air inlet pipe through the second electromagnetic valve.

[0013] Preferably, the outer wall of the fixed ring is fixedly connected with a fixed box. One end of the fixed box is rotatably connected to the outer wall of the rotating cylinder. The outer paste box is slidably connected to the inside of the fixed box. The end of the soft tube is fixedly connected to the fixed box. The soft tube penetrates through the fixed box. An output pipe is installed on the penetrating end of the soft tube. The output pipe is provided with an air extraction pump. The output pipe is installed on the air extraction pump. A dust collection bag is installed on the pump outlet of the air extraction pump.

[0014] Preferably, a control assembly is connected to the fixed ring, which comprises a fixed cylinder. The fixed cylinder penetrates through the fixed ring. Two ends of the fixed cylinder are slidably connected with sliding cylinders. The end of the sliding cylinder is closed. A rack is fixedly connected to the inside of the sliding cylinder. A second gear is rotatably connected to the inside of the fixed cylinder. The two racks are respectively engaged with the two ends of the second gear. A first electric push rod is installed on the supporting block. The end of one of the sliding cylinders is fixedly connected to the telescopic end of the first electric push rod. End plates are fixedly connected to the sliding cylinders. The end plates are respectively fixedly connected with the outer paste box and the inner paste box.

[0015] Preferably, the inner sticker box is connected with a cleaning mechanism, the cleaning mechanism comprises a lead screw, the inner sticker box is rotationally connected with the lead screw, the second sliding block is threadedly connected with the lead screw, the inner sticker box is provided with a second motor, the end of the lead screw is connected with the output shaft of the second motor through a shaft coupling, one side of the inner sticker box is provided with a sliding groove penetrating therethrough, and the air inlet pipe movably penetrates the sliding groove.

[0016] Preferably, the second sliding block is slidably connected with a spray strip, springs are arranged between the spray strip and the second sliding block, the end of the spray strip abuts against one side of the filter plate, the first sliding block is slidably connected in the inner sticker box, the end of the first sliding block is slidably connected with a brush, springs are arranged between the first sliding block and the brush, and one end of the brush abuts against the other side of the filter plate.

[0017] Preferably, the first sliding block is hollow, abutting wheels are arranged at the two ends of the first sliding block, and the abutting wheels roll against the outer sticker box through the grooves.

[0018] Preferably, the first sliding block is fixedly connected with a first magnet, the end of the spray strip facing the first magnet is fixedly connected with a second magnet, and the first magnet and the second magnet are attracted.

[0019] Preferably, the rotating cylinder is connected with a driving assembly, the driving assembly comprises an internal gear, the internal gear is keyed to the inner wall of the rotating cylinder, the fixed ring is provided with a first motor, the output shaft of the first motor is keyed with a first gear, and the first gear is engaged with the internal gear.

[0020] Preferably, the outer wall of the outer cylinder is rotationally connected with a penetrating maintenance door, the bottom end of the outer cylinder is in a taper mechanism, and the bottom end of the supporting block is in a taper structure.

[0021] Compared with the prior art, the application provides a tail gas filtering and treatment device of an incinerator, which has the following beneficial effects:

[0022] 1. The tail gas filtering and treatment device of the incinerator drives the rotating cylinder to rotate, so as to facilitate the rotation of each filter plate to the maintenance door, the filter plate is small in size and convenient to replace and maintain, the negative pressure is formed in the rotating cylinder by the air suction fan, the filtered flue gas enters the inside of the rotating cylinder, and is discharged by the air suction fan, so as to complete the treatment of the flue gas.

[0023] 2. The exhaust gas filtration device of this incinerator filters the flue gas by spraying low-temperature gas through nozzles. When the gas is sprayed out of the nozzles, a negative pressure is formed at the air inlet, which increases the speed at which the flue gas enters the outer cylinder. At the same time, the gas and flue gas mix, effectively cooling the flue gas, avoiding damage to the filter plate, and increasing the service life of the filter plate.

[0024] 3. The exhaust gas filtration device of this incinerator drives the outer and inner boxes to contact the outer and inner walls of the rotating cylinder, respectively, driving the second slider to slide up and down, causing the spray bar to slide along the surface of the filter plate. Gas is sprayed out from one side of the spray bar, and the sprayed airflow blows towards the filter plate, thereby forming an airflow on the outside of the filter plate, blowing away the attached dust. The first and second magnets attract each other, driving the brush to slide on the outside of the filter plate to clean the dust on the surface of the filter plate. When the pump is working, the dust brushed off is pumped into the dust collection bag, which facilitates the collection of dust and cleaning each one individually without stopping the machine, resulting in high working efficiency. Attached Figure Description

[0025] Figure 1 This is a perspective view of a tail gas filtration and treatment device for an incinerator proposed in this invention.

[0026] Figure 2 This is a view of the outer cylinder connection structure of the present invention;

[0027] Figure 3 This is a view of the rotating cylinder connection structure of the present invention;

[0028] Figure 4 This is a view of the support block connection structure of the present invention;

[0029] Figure 5 This is a view of the fixed box connection structure of the present invention;

[0030] Figure 6 This is a view of the outer mounting box connection structure of the present invention;

[0031] Figure 7 This is a view of the fixed cylinder connection structure of the present invention;

[0032] Figure 8 This is a view of the second slider connection structure of the present invention;

[0033] Figure 9 This is a view of the slide tube connection structure of the present invention;

[0034] Figure 10 This is a view of the spray bar connection structure of the present invention.

[0035] In the figure: 1, outer cylinder; 2, filtering mechanism; 21, smoke inlet cylinder; 22, exhaust fan; 23, bearing ring; 24, supporting block; 25, rotating cylinder; 26, filter plate; 27, driving assembly; 271, inner gear; 272, first motor; 273, first gear; 28, fixed ring; 3, cooling mechanism; 31, air supply pipe; 32, spray head; 33, air inlet hole; 34, branch pipe; 35, first electromagnetic valve; 4, collecting mechanism; 41, output pipe; 42, exhaust pump; 43, dust collection bag; 44, fixed box; 45, hose; 46, outer pasting box; 47, inner pasting box; 48, air inlet pipe; 49, control assembly; 491, end plate; 492, sliding cylinder; 493, first electric push rod; 494, fixed cylinder; 495, rack; 496, second gear; 497, first magnet; 498, second magnet; 5, maintenance door; 6, cleaning mechanism; 61, second motor; 62, chute; 63, screw rod; 64, first sliding block; 65, second sliding block; 66, spring; 67, brush; 68, spray bar; 7, second electromagnetic valve; 8, groove; 9, abutting wheel. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments of the present application.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0038] Embodiment 1: Refer to Figures 1-10 A tail gas filtering treatment device of an incinerator, comprising an outer cylinder 1, a filtering mechanism 2 connected to the outer cylinder 1, the filtering mechanism 2 comprising a supporting block 24, the inner part of the outer cylinder 1 being provided with a hollow supporting block 24, a bearing ring 23 fixedly connected between the outer cylinder 1 and the supporting block 24, a fixed ring 28 fixedly connected to the top end of the supporting block 24, a rotating cylinder 25 rotatably connected to the top end of the fixed ring 28, a plurality of filter plates 26 penetratingly fixed to the outer wall of the rotating cylinder 25 through bolts, the top end of the rotating cylinder 25 being rotatably connected to the top part of the outer cylinder 1, an exhaust fan 22 installed at the top end of the outer cylinder 1, the rotating cylinder 25 being in communication with the air inlet end of the exhaust fan 22, the bottom end of the outer cylinder 1 being fixedly connected with a communicating smoke inlet cylinder 21, the inner part of the outer cylinder 1 being in communication with the inner part of the rotating cylinder 25 through the filter plates 26, so as to facilitate filtering of flue gas through the filter plates 26, and forming negative pressure through the exhaust fan 22.

[0039] In the present application, the outer wall of the outer cylinder 1 is rotatably connected with a through access door 5, so that the maintenance is facilitated, and the bottom end of the outer cylinder 1 is in a conical structure, and the bottom end of the supporting block 24 is also in a conical structure, so that the smoke is dispersed.

[0040] In the present application, the rotating cylinder 25 is connected with a driving assembly 27, the driving assembly 27 comprises an internal gear 271, the internal gear 271 is keyed connected to the inner wall of the rotating cylinder 25, the first motor 272 is installed on the fixed ring 28, the output shaft of the first motor 272 is keyed connected with a first gear 273, and the first gear 273 is engaged with the internal gear 271, so that the filter plate 26 is driven to move, and the filter plate 26 is taken out.

[0041] In the present application, the rotating cylinder 25 is connected with a driving assembly 27, the driving assembly 27 comprises an internal gear 271, the internal gear 271 is keyed connected to the inner wall of the rotating cylinder 25, the first motor 272 is installed on the fixed ring 28, the output shaft of the first motor 272 is keyed connected with a first gear 273, and the first gear 273 is engaged with the internal gear 271, so that the filter plate 26 is driven to move, and the filter plate 26 is taken out.

[0042] In the present application, the end of the gas supply pipe 31 connected with the supporting block 24 is installed with a communicating branch pipe 34, the first electromagnetic valve 35 is installed on the branch pipe 34, and the gas supply pipe 31 is communicated with the inside of the supporting block 24 through the branch pipe 34 and the first electromagnetic valve 35, so that the working of the spray head 32 is controlled.

[0043] In the present application, the end of the gas supply pipe 31 connected with the supporting block 24 is installed with a communicating branch pipe 34, the first electromagnetic valve 35 is installed on the branch pipe 34, and the gas supply pipe 31 is communicated with the inside of the supporting block 24 through the branch pipe 34 and the first electromagnetic valve 35, so that the working of the spray head 32 is controlled.

[0044] In the present application, the end of the gas supply pipe 31 connected with the supporting block 24 is installed with a communicating branch pipe 34, the first electromagnetic valve 35 is installed on the branch pipe 34, and the gas supply pipe 31 is communicated with the inside of the supporting block 24 through the branch pipe 34 and the first electromagnetic valve 35, so that the working of the spray head 32 is controlled.

[0045] In the application, the outer wall of the fixing ring 28 is fixedly connected with a fixing box 44, one end of the fixing box 44 is rotatably connected with the outer wall of the rotating cylinder 25, the outer pasting box 46 is slidably connected in the inside of the fixing box 44, the end of the hose 45 is fixedly connected with the fixing box 44, the hose 45 penetrates through the fixing box 44, the penetrating end of the hose 45 is installed with an output pipe 41, the output pipe 41 is provided with an exhaust pump 42, the output pipe 41 is installed on the suction end of the exhaust pump 42, and the pump outlet end of the exhaust pump 42 is installed with a dust collecting bag 43, so that the discharged smoke dust can be collected.

[0046] In the application, the fixing ring 28 is connected with a control assembly 49, the control assembly 49 comprises a fixed cylinder 494, the fixed cylinder 494 penetrates through and is fixedly connected with the fixing ring 28, both ends of the fixed cylinder 494 are slidably connected with sliding cylinders 492, the end of the sliding cylinder 492 is closed, the inside of the sliding cylinder 492 is fixedly connected with a rack 495, the inside of the fixed cylinder 494 is rotatably connected with a second gear 496, the two racks 495 are respectively meshed with both ends of the second gear 496, the first electric push rod 493 is installed on the supporting block 24, the end of one of the sliding cylinders 492 is fixedly connected with the telescopic end of the first electric push rod 493, the end plate 491 is fixedly connected with the sliding cylinder 492, and the two end plates 491 are respectively fixedly connected with the outer pasting box 46 and the inner pasting box 47, so that the outer pasting box 46 and the inner pasting box 47 can be slid.

[0047] In the application, the inner pasting box 47 is connected with a cleaning mechanism 6, the cleaning mechanism 6 comprises a lead screw 63, the lead screw 63 is rotatably connected with the inner pasting box 47, the second sliding block 65 is threadedly connected with the lead screw 63, the second motor 61 is installed on the inner pasting box 47, the end of the lead screw 63 is connected with the output shaft of the second motor 61 through a shaft coupling, so that the second sliding block 65 can be driven to slide, one side of the inner pasting box 47 is provided with a penetrating sliding groove 62, and the air inlet pipe 48 movably penetrates through the sliding groove 62, so that the air inlet pipe 48 can slide.

[0048] In the application, the second sliding block 65 is slidably connected with a spray strip 68, the spring 66 is installed between the second sliding block 65 and the spray strip 68, the end of the spray strip 68 abuts against one side of the filter plate 26, the first sliding block 64 is slidably connected in the inside of the outer pasting box 46, the end of the first sliding block 64 is slidably connected with a brush 67, the spring 66 is also installed between the first sliding block 64 and the brush 67, one end of the brush 67 abuts against the other side of the filter plate 26, so that the spray strip 68 and the brush 67 abut against both sides of the filter plate 26 respectively.

[0049] In the application, the first sliding block 64 is hollow, the abutting wheels 9 are installed at both ends of the first sliding block 64, the inside of the outer pasting box 46 is provided with a pair of recesses 8, the abutting wheels 9 rollingly abut against the outer pasting box 46 through the recesses 8, so that the first sliding block 64 can slide smoothly.

[0050] In the application, the first slider 64 is fixedly connected with a first magnet 497, one end of the spray strip 68 towards the first magnet 497 is fixedly connected with a second magnet 498, the first magnet 497 and the second magnet 498 are attracted, so as to facilitate the sliding of the first slider 64 through the first magnet 497 and the second magnet 498, thereby driving the brush 67 to move and clean.

[0051] Working principle: open the inspection door 5, the inspection door 5 is rotatably connected with a knob, the threaded end of the knob is screwed with the outer cylinder 1, so as to facilitate the limiting of the inspection door 5, rotate the knob outwardly, pull the inspection door 5 outwardly, so as to open it, expose the rotating cylinder 25 and the filter plate 26, the filter plate 26 is fixed on the rotating cylinder 25 by bolts, so as to facilitate replacement, during the inspection process, the filter plate 26 is taken out through the inspection door 5, the first motor 272 is started, the first motor 272 is a stepper motor, the rotation angle is controlled through the program, the first motor 272 drives the first gear 273 to rotate, thereby driving the inner gear 271 and the rotating cylinder 25 to rotate, so that each filter plate 26 can be rotated to the inspection door 5, facilitating replacement, the exhaust pipe of the incinerator is connected to the smoke inlet cylinder 21, the air supply pipe 31 is provided with an air pump, the air supply pipe 31 is connected to the air pump, the exhaust fan 22 is started, the smoke gas enters the lower part of the bearing ring 23 through the smoke inlet cylinder 21, the exhaust fan 22 forms a negative pressure in the rotating cylinder 25, and the filter plate 26 forms a negative pressure in the outer cylinder 1, the smoke gas contacts the surface of the filter plate 26 through the air inlet hole 33, and is filtered through the filter plate 26 under the action of the negative pressure, and the filtered smoke gas enters the inside of the rotating cylinder 25 and is discharged through the exhaust fan 22, thereby completing the treatment of the smoke gas;

[0052] When filtering the smoke gas, the first electromagnetic valve 35 is started, the first electromagnetic valve 35 is opened, the air pump works, the gas is pumped into the air supply pipe 31, enters the inside of the supporting block 24 through the branch pipe 34, and is sprayed out through the spray head 32, when the gas is sprayed out through the spray head 32, a negative pressure is formed at the air inlet hole 33, the speed of the smoke gas entering the inside of the outer cylinder 1 is increased, and the gas and the smoke gas are mixed, effectively reducing the temperature of the smoke gas, avoiding affecting the filter plate 26, and increasing the service life of the filter plate 26;

[0053] When the filter plate 26 needs to be cleaned, the first electric push rod 493 is started, the first electric push rod 493 is elongated, the end sliding cylinder 492 is pushed to slide, under the action of the rack 495 and the second gear 496, a pair of sliding cylinders 492 are driven to move towards each other, so that the outer paste box 46 and the inner paste box 47 are driven to move towards each other through a pair of end plates 491, the outer paste box 46 and the inner paste box 47 are respectively abutted with the outer wall and the inner wall of the rotating cylinder 25, the spray bar 68 is abutted with the inner side of the filter plate 26, the brush 67 is abutted with the outer side of the filter plate 26, the spring 66 is compressed, the second motor 61 is started, the second motor 61 drives the lead screw 63 to rotate through the shaft coupling, so that the second sliding block 65 is driven to slide up and down, and the spray bar 68 is driven to abut along the surface of the filter plate 26, the spray bar 68 is made of copper, so as to reduce friction and increase service life, the second electromagnetic valve 7 and the suction pump 42 are started, the gas in the gas delivery pipe 31 enters the inside of the gas inlet pipe 48, enters the inside of the second sliding block 65, and is sprayed from one side of the spray bar 68, the sprayed gas flow blows towards the filter plate 26, so that the gas flow is formed outside the filter plate 26, the attached soot is blown out and enters the inside of the outer paste box 46, when the second sliding block 65 moves up and down, the first magnet 497 and the second magnet 498 are attracted, the second sliding block 65 drives the first sliding block 64 to slide, the abutment wheel 9 rolls in the groove 8, the sliding flow of the first sliding block 64 is increased, when the first sliding block 64 slides, the brush 67 slides outside the filter plate 26, so as to clean the soot on the surface of the filter plate 26, when the suction pump 42 works, negative pressure is formed in the outer paste box 46 through the output pipe 41 and the hose 45, the brushed soot is sucked into the output pipe 41 and is pumped into the dust collecting bag 43 through the suction pump 42, so as to facilitate the collection of the soot, after cleaning, the outer paste box 46 and the inner paste box 47 are separated, the rotating cylinder 25 is driven to rotate, so that the next filter plate 26 moves to between the outer paste box 46 and the inner paste box 47, the next filter plate 26 is cleaned, so that the filter plate 26 is cleaned while filtering the soot, without stopping, the working efficiency is high.

[0054] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A tail gas filtering treatment device of an incinerator, comprising an outer cylinder (1), a filtering mechanism (2) being connected to the outer cylinder (1), characterized in that: The filter mechanism (2) includes a support block (24), the outer cylinder (1) is internally provided with a hollow support block (24), the outer cylinder (1) and the support block (24) are fixedly connected with a bearing ring (23), the top end of the support block (24) is fixedly connected with a fixed ring (28), the top end of the fixed ring (28) is rotatably connected with a rotating cylinder (25), the outer wall of the rotating cylinder (25) is locked and fixed with a plurality of penetrating filter plates (26) through bolts, the top end of the rotating cylinder (25) is rotatably connected with the top of the outer cylinder (1), the top end of the outer cylinder (1) is provided with an exhaust fan (22), the rotating cylinder (25) is in communication with the air inlet end of the exhaust fan (22), the bottom end of the outer cylinder (1) is fixedly connected with a communicating smoke inlet cylinder (21), the inside of the outer cylinder (1) is in communication with the inside of the rotating cylinder (25) through the filter plate (26); The fixed ring (28) is connected with a collecting mechanism (4), the collecting mechanism (4) includes an outer paste box (46) and an inner paste box (47), the outer side and the inner side of the fixed ring (28) are slidably connected with the outer paste box (46) and the inner paste box (47) respectively, the outer paste box (46) is fixedly connected with a communicating hose (45), the inner paste box (47) is slidably connected with a second sliding block (65), the second sliding block (65) is fixedly connected with a communicating air inlet pipe (48); The bearing ring (23) is connected with a cooling mechanism (3), the cooling mechanism (3) includes an air inlet hole (33), the bearing ring (23) is provided with a plurality of air inlet holes (33), the support block (24) is provided with a communicating spray head (32) at each air inlet hole (33), and the support block (24) is provided with a communicating air supply pipe (31); The fixed ring (28) is connected with a control assembly (49), the control assembly (49) includes a fixed cylinder (494), the fixed ring (28) is fixedly connected with a penetrating fixed cylinder (494), both ends of the fixed cylinder (494) are slidably connected with a sliding cylinder (492), the end of the sliding cylinder (492) is closed, the sliding cylinder (492) is fixedly connected with a rack (495) inside, the fixed cylinder (494) is rotatably connected with a second gear (496) inside, one pair of rack (495) is respectively engaged with both ends of the second gear (496), the support block (24) is provided with a first electric push rod (493), the end of one of the sliding cylinder (492) is fixed on the telescopic end of the first electric push rod (493), the sliding cylinder (492) is fixedly connected with an end plate (491), and one pair of end plates (491) are fixedly connected with the outer paste box (46) and the inner paste box (47).

2. The exhaust gas filtering and treating device of an incinerator according to claim 1, wherein The air feeding pipe (31) is connected with the supporting block (24) at one end, and a branch pipe (34) is installed in communication, a first electromagnetic valve (35) is installed on the branch pipe (34), the air feeding pipe (31) is communicated with the inside of the supporting block (24) through the branch pipe (34) and the first electromagnetic valve (35), the end of the air inlet pipe (48) is installed on the air feeding pipe (31), a second electromagnetic valve (7) is installed on the air inlet pipe (48), and the air feeding pipe (31) is communicated with the air inlet pipe (48) through the second electromagnetic valve (7).

3. The exhaust gas filtering and treating device of an incinerator according to claim 1, wherein The outer wall of the fixed ring (28) is fixedly connected with a fixed box (44), one end of the fixed box (44) is rotatably connected with the outer wall of the rotating cylinder (25), the outer pasting box (46) is slidably connected in the fixed box (44), the end of the hose (45) is fixedly connected with the fixed box (44), the hose (45) penetrates through the fixed box (44), the penetrating end of the hose (45) is provided with an output pipe (41), the output pipe (41) is provided with a suction pump (42), the output pipe (41) is installed on the suction end of the suction pump (42), and the pump outlet end of the suction pump (42) is provided with a dust collecting bag (43).

4. The exhaust gas filtering and treating device of an incinerator according to claim 1, wherein The inner pasting box (47) is connected with a cleaning mechanism (6), the cleaning mechanism (6) comprises a lead screw (63), the inner pasting box (47) is rotatably connected with the lead screw (63), the second sliding block (65) is threadedly connected with the lead screw (63), the inner pasting box (47) is provided with a second motor (61), the end of the lead screw (63) is connected with the output shaft of the second motor (61) through a shaft coupling, one side of the inner pasting box (47) is provided with a sliding groove (62) penetrating through, and the air inlet pipe (48) movably penetrates through the sliding groove (62).

5. The apparatus for filtering and treating exhaust gas of an incinerator according to claim 1, wherein The second sliding block (65) is slidably connected with a spray bar (68), springs (66) are installed between the spray bar (68) and the second sliding block (65), the end of the spray bar (68) abuts against one side of the filter plate (26), the inner pasting box (46) is slidably connected with a first sliding block (64), the end of the first sliding block (64) is slidably connected with a brush (67), springs (66) are also installed between the first sliding block (64) and the brush (67), and one end of the brush (67) abuts against the other side of the filter plate (26).

6. An exhaust gas filtering and treating apparatus for incinerator according to claim 5, wherein The first sliding block (64) is hollow, and abutting wheels (9) are installed at both ends of the first sliding block (64), a pair of recesses (8) are arranged in the inner pasting box (46), and the abutting wheels (9) rollingly abut against the inner pasting box (46) through the recesses (8).

7. An exhaust gas filtering and treating apparatus for incinerator according to claim 6, wherein A first magnet (497) is fixedly connected to the first sliding block (64), a second magnet (498) is fixedly connected to one end of the spray bar (68) facing the first magnet (497), and the first magnet (497) and the second magnet (498) are attracted.

8. The apparatus for filtering and treating exhaust gas of an incinerator according to claim 1, wherein The rotating cylinder (25) is connected with a driving assembly (27), the driving assembly (27) comprises an internal gear (271), the internal wall of the rotating cylinder (25) is key connected with the internal gear (271), the fixed ring (28) is provided with a first motor (272), the output shaft of the first motor (272) is key connected with a first gear (273), and the first gear (273) is engaged with the internal gear (271).

9. The apparatus for filtering and treating exhaust gas of an incinerator according to claim 1, wherein The outer wall of the outer cylinder (1) is rotatably connected with a through access door (5), and the bottom end of the outer cylinder (1) is a taper mechanism, and the bottom end of the supporting block (24) is a taper mechanism.

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