An exhaust gas treatment and purification device for a new energy boiler

Abstract

The present invention relates to the technical field of boiler tail gas treatment, and specifically relates to a tail gas treatment and purification device for a new energy boiler, including a water treatment tank with treatment solvent inside, and a pipeline is fixedly arranged on the side of the water treatment tank. A purified gas outlet pipe is fixedly arranged on the top of the water treatment tank. For this tail gas treatment and purification device for a new energy boiler, the reset spring drives the net plate to reset. During the rotation process of the net plate, sundries in the treatment solvent are captured by it. Compared with the existing stirring and top filtration structures, the above-mentioned net plate can control the reciprocating movement of the net plate by using the air pressure change of the ventilation. On the one hand, the flat net plate is used in cooperation with the air jet pipe to perform dispersed array gas outlet, which can ensure the gas-liquid mixing effect while avoiding the vibration caused by the stirring structure. On the other hand, the reset of the net plate is used to fish out most of the sundries in the treatment solvent, which is convenient for subsequent replacement and secondary utilization of the treatment solvent.

Description

Technical Field

[0001] The present invention relates to the technical field of boiler tail gas treatment, and particularly to a tail gas treatment and purification device for a new energy boiler. Background Art

[0002] Under the condition that the use of coal-fired boilers is gradually restricted, other alternative fuels have a large market space. Among them, biomass fuel is a renewable energy source. However, when using coal or biomass such as rice husks and straws as fuel, the exhaust gas contains a large amount of fine dust and harmful acidic gases. Effective desulfurization, denitrification, and dust removal treatments must be carried out before the exhaust gas is discharged to meet the environmental protection emission requirements.

[0003] The existing patent (Publication No.: CN117258435B) discloses a high-efficiency energy-saving and environmental protection tail gas treatment device for a combustion boiler, including a device main body. The bottom of the device main body is fixedly connected with a device base, and one side of the device main body is fixedly connected with an exhaust gas inlet. The limit cylinder contracts, thereby driving the second limit block to move upward, thereby canceling the limit effect on the energy storage ratchet. At this time, the energy storage ratchet drives the first half gear to rotate through the second transmission shaft, so that the first moving rack moves, so that the first flow dividing plate and the second flow dividing plate move to the right, thereby enabling the tail gas to enter the lower bag filter, and then cooling another bag filter. The above existing technology uses stirring to assist gas-liquid mixing, which easily increases the vibration of the equipment, and the sundries scraped off the filter accumulate in the treatment liquid, affecting the purification effect.

[0004] In view of this, we propose a tail gas treatment and purification device for a new energy boiler. Summary of the Invention

[0005] The purpose of the present invention is to provide a tail gas treatment and purification device for a new energy boiler to solve the problems in the above background art that the existing technology uses stirring to assist gas-liquid mixing, which easily increases the vibration of the equipment, and the sundries scraped off the filter accumulate in the treatment liquid, affecting the purification effect. To achieve the above purpose, the present invention provides the following technical solution: A tail gas treatment and purification device for a new energy boiler includes a water treatment tank with a treatment solvent inside, and a pipeline is fixedly arranged on the side of the water treatment tank. A purification exhaust pipe is fixedly arranged on the top of the water treatment tank, and a filter screen is fixedly arranged on the upper side inside the water treatment tank. A water filter matching with the pipeline is arranged inside the water treatment tank.

[0006] The water filter includes a hollow-structured rotating shaft rotatably arranged inside the water treatment tank, and a circular-structured air pressure chamber is formed inside one side wall of the water treatment tank. One end of the rotating shaft penetrates and extends into the air pressure chamber, and an airtight flap matching with the air pressure chamber is fixedly arranged on the extended end of the rotating shaft.

[0007] On the inner wall of the air pressure chamber, an airtight baffle plate that cooperates with the airtight flap is fixedly installed, and a return spring is arranged between the airtight baffle plate and the airtight flap.

[0008] An air groove communicating with the pipeline is opened in the box wall of the water treatment tank near the pipeline side, and the air groove communicates with the air pressure chamber.

[0009] An air port for controlling air intake is opened on the axial surface of the rotating shaft located in the air pressure chamber.

[0010] A net plate for filtering and processing sundries inside the solvent is fixedly connected to the rotating shaft. A jet pipe is fixedly embedded on the surface of the net plate, and the jet pipe penetrates through the net plate and is communicated with the inside of the rotating shaft.

[0011] A two-way cleaning assembly for cleaning the filter screen and the filter residues on the surface of the net plate is arranged on the water treatment tank and the net plate.

[0012] Preferably, the two-way cleaning assembly includes a guide rod fixedly arranged inside the water treatment tank, and the guide rod is located below the filter screen. A first scraping plate that cooperates with the filter screen is slidably connected to the guide rod, and a push spring that cooperates with the first scraping plate is arranged on the guide rod.

[0013] A force-bearing plate pushed by the upward-rotating net plate is fixedly arranged at the bottom of the first scraping plate.

[0014] Two sliding grooves are opened on the side surface of the net plate, and sliding seats are slidably connected in both sliding grooves. The sliding seats are connected to the inner top wall of the sliding grooves through elastic ropes, and the elastic ropes pull the sliding seats to move upward.

[0015] Second scraping plates that are pushed by the force-bearing plate and scrape the net plate are fixedly connected to the outer sides of the surfaces of the two sliding seats.

[0016] The area between the second scraping plate and the net plate and the inner wall of the water treatment tank after the second scraping plate moves down to the bottom is set as a water-blocking extrusion area, and a cleaning port communicating with the water-blocking extrusion area is opened on the outer wall of the water treatment tank, and a sealing plug is arranged in the cleaning port.

[0017] An anti-blocking assembly that cooperates with the net plate is arranged on the force-bearing plate.

[0018] Preferably, the anti-blocking assembly includes leather cups fixedly installed on the surface of the force-bearing plate and corresponding to the mesh holes of the net plate. A plurality of through holes are opened on the surface of the leather cups, and a leather pad covering the through holes is arranged on the outer surface of the leather cups, and the leather pad is locally and singly fixed to the leather cups along one side.

[0019] Preferably, the water treatment tank is fixedly connected to a front-end treatment device through a pipeline, and an exhaust gas inlet pipe is fixedly arranged on one side of the front-end treatment device.

[0020] Preferably, a plurality of embedding grooves are formed on the surface of the mesh plate, and the air spraying pipe is clamped in the embedding grooves through a snap structure.

[0021] Preferably, the air spraying pipe and the rotating shaft are screwed through a threaded structure.

[0022] Preferably, a limiting block matched with the first scraping plate is fixedly arranged on the guide rod.

[0023] Preferably, a plurality of anti-disturbance flow-through grooves are formed on the stress plate.

[0024] Preferably, a connecting buckle is fixedly arranged at the tail of the leather cup, and the connecting buckle and the stress plate are fixedly connected through a bolt.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] In the present invention, when the air spraying treatment ends, the reset spring drives the mesh plate to reset, and during the rotation process of the mesh plate, flocs and sundries in the treatment solvent are captured by the mesh plate. Compared with the existing stirring and top filtering structures, the above-mentioned mesh plate can control the reciprocating movement of the mesh plate by using the air pressure change of ventilation. On the one hand, the flat mesh plate is used in cooperation with the air spraying pipe to perform dispersed array gas outlet, which can ensure the gas-liquid mixing effect and avoid the vibration caused by the stirring structure. On the other hand, the reset of the mesh plate is used to fish most of the sundries in the treatment solvent, which is convenient for subsequent replacement and secondary utilization of the treatment solvent.

[0027] In the present invention, the mesh plate pushes the first scraping plate to move left along the stress plate, and the sundries adhered to the filter screen are scraped off. At the same time, the stress plate pushes the second scraping plate to move down along the upward rotating mesh plate, and the sundries on the mesh plate are scraped off until a water isolation extrusion zone is formed between the second scraping plate, the mesh plate and the inner wall of the water treatment tank. During this process, the second scraping plate presses the sundries captured by the mesh plate into the water isolation extrusion zone. Compared with the existing method of scraping the filtered sundries into the water, the above-mentioned stress plate cooperates with the deflection process of the mesh plate. On the one hand, the scraping and sliding operation of the first scraping plate can be used to drive the second scraping plate to clean the mesh plate. On the other hand, the relevant components can be controlled to form a water isolation extrusion zone, and the sundries scraped off from the filter screen and the mesh plate are blocked into the water isolation extrusion zone for cleaning, so as to avoid excessive sundries from affecting the treatment effect of the waste gas and effectively extend the service life of the treatment solvent.

[0028] In the present invention, after the force-bearing plate is pushed back by the mesh plate, the surfaces of the two are mutually attached. The air pressure inside the leather cup squeezes open the leather gasket, and the through-hole is used for pressure relief, so that the leather cup on the force-bearing plate is buckled and adsorbed on the mesh hole of the mesh plate. When the mesh plate deflects and separates from the force-bearing plate, the leather gasket seals the through-hole, enabling the leather cup to form negative pressure along the mesh plate and suck out the blockage in the mesh hole. Compared with the existing single filtering structure, the above-mentioned movement cooperation between the force-bearing plate and the mesh plate can control the leather cup to achieve adsorption and negative-pressure peeling operations along the mesh holes of the mesh plate, thereby ensuring that the mesh plate always has a good ventilation rate and avoiding the influence of mesh plate blockage on the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0030] Figure 2 is a three-dimensional structural sectional view of the water treatment tank of the present invention;

[0031] Figure 3 is of the present invention Figure 2 an enlarged view of part A;

[0032] Figure 4 is a front sectional view of the water treatment tank of the present invention;

[0033] Figure 5 is a front sectional view of the air groove and air pressure chamber of the present invention;

[0034] Figure 6 is of the present invention Figure 5 an enlarged view of part B;

[0035] Figure 7 is a three-dimensional structural schematic diagram of the mesh plate, rotating shaft and air jet pipe of the present invention;

[0036] Figure 8 is of the present invention Figure 7 an enlarged view of part C;

[0037] Figure 9 is a partial sectional view of the mesh plate and air jet pipe of the present invention;

[0038] Figure 10 is a structural schematic diagram of the force-bearing plate and leather cup of the present invention;

[0039] Figure 11 is a three-dimensional structural sectional view of the leather cup of the present invention.

[0040] In the figure: 1, water treatment tank; 2, filter screen; 3, water filter; 31, rotating shaft; 32, air pressure chamber; 33, airtight flap; 34, airtight baffle; 35, return spring; 36, air groove; 37, air port; 38, mesh plate; 39, jet pipe; 310, two-way cleaning component; 3101, guide rod; 3102, first scraper; 3103, push spring; 3104, force-bearing plate; 3105, chute; 3106, sliding seat; 3107, elastic cord; 3108, second scraper; 3109, water-blocking extrusion area; 31010, cleaning port; 31011, sealing plug; 31012, anti-blocking component; 310121, leather cup; 310122, through hole; 310123, leather pad. Detailed implementation manners

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] Please refer to Figures 1 to 11 , the present invention provides a technical solution: a tail gas treatment and purification device for a new energy boiler, including a water treatment tank 1 with treatment solvent inside, and a pipeline is fixedly arranged on the side of the water treatment tank 1. A purification exhaust pipe is fixedly arranged on the top of the water treatment tank 1, and a filter screen 2 is fixedly arranged on the upper side inside the water treatment tank 1. The waste gas enters along the lower side inside the tank through the pipeline and mixes with the treatment solvent, and the treated and purified gas finally passes through the filter screen 2 and is discharged. A water filter 3 matched with the pipeline is arranged inside the water treatment tank 1;

[0043] The water filter 3 includes a hollow rotating shaft 31 rotatably arranged inside the water treatment tank 1, and a circular air pressure chamber 32 is opened inside one side wall of the water treatment tank 1. One end of the rotating shaft 31 penetrates and extends into the air pressure chamber 32, and an airtight flap 33 matched with the air pressure chamber 32 is fixedly arranged on the extended end of the rotating shaft 31;

[0044] An airtight baffle 34 matched with the airtight flap 33 is fixedly installed on the inner wall of the air pressure chamber 32, and a return spring 35 is arranged between the airtight baffle 34 and the airtight flap 33;

[0045] On the inner side of the box wall of the water treatment tank 1 close to the pipeline, an air groove 36 communicating with the pipeline is opened, and the air groove 36 communicates with the air pressure chamber 32. When the waste gas enters the water treatment tank 1 along the pipeline, it first enters the air groove 36 and is introduced into the air pressure chamber 32 to exert a thrust on the airtight flap 33, causing it to compress the return spring 35 and move towards the airtight baffle 34. During this process, the rotating shaft 31 and the mesh plate 38 rotate until the mesh plate 38 deflects from the vertical position to the horizontal position at the bottom of the water treatment tank 1. When the jet treatment is over, the return spring 35 drives the mesh plate 38 to reset, and during the rotation process of the mesh plate 38, it captures the flocs and sundries in the treatment solvent;

[0046] An air port 37 for controlling air intake is provided on the axial surface of the rotating shaft 31 located in the air pressure chamber 32;

[0047] A mesh plate 38 for filtering sundries inside the treatment solvent is fixedly connected to the rotating shaft 31, and the mesh plate 38 is vertically fixed on the upper side of the surface of the rotating shaft 31. A jet pipe 39 is fixedly embedded on the surface of the mesh plate 38, and the jet pipe 39 penetrates through the mesh plate 38 and communicates with the inside of the rotating shaft 31. When the mesh plate 38 deflects to the horizontal position at the bottom of the water treatment tank 1, the air port 37 communicates with the air intake area of the air pressure chamber 32, and the waste gas enters the inside of the rotating shaft 31 and is sprayed into the treatment solvent along the jet pipe 39, using the treatment solvent to treat the waste gas;

[0048] A two-way cleaning assembly 310 for cleaning the filter screen 2 on the water treatment tank 1 and the filter residues on the surface of the mesh plate 38 is provided.

[0049] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 11 shown, the two-way cleaning assembly 310 includes a guide rod 3101 fixedly arranged inside the water treatment tank 1, and the guide rod 3101 is located below the filter screen 2. A first scraping plate 3102 cooperating with the filter screen 2 is slidably connected to the guide rod 3101, and a push spring 3103 cooperating with the first scraping plate 3102 is arranged on the guide rod 3101;

[0050] A force receiving plate 3104 pushed by the upwardly rotating mesh plate 38 is fixedly arranged at the bottom of the first scraping plate 3102;

[0051] Two sliding grooves 3105 are opened on the side surface of the mesh plate 38, and a sliding seat 3106 is slidably connected in each of the two sliding grooves 3105. The sliding seat 3106 is connected to the inner top wall of the sliding groove 3105 through an elastic cord 3107, and the elastic cord 3107 pulls the sliding seat 3106 upward. During the process of the mesh plate 38 deflecting to the horizontal position, the elastic cord 3107 contracts to pull the second scraping plate 3108 upward, and at the same time, the push spring 3103 pushes the first scraping plate 3102 to move to the right;

[0052] On the outer sides of the surfaces of the two sliding seats 3106, a second scraper 3108 is fixedly connected, which is pushed by the force-bearing plate 3104 to scrape the mesh plate 38.

[0053] When the second scraper 3108 moves down to the bottom, the area between the mesh plate 38 and the inner wall of the water treatment tank 1 is set as a water-blocking extrusion area 3109. When the mesh plate 38 rotates and resets, the mesh plate 38 pushes the first scraper 3102 to move left along the force-bearing plate 3104, scraping off the sundries adhered to the filter net 2. At the same time, the force-bearing plate 3104 pushes the second scraper 3108 to move down along the rotating-up mesh plate 38, scraping off the sundries on the mesh plate 38 until the water-blocking extrusion area 3109 is formed between the second scraper 3108, the mesh plate 38, and the inner wall of the water treatment tank 1. During this process, the second scraper 3108 presses the sundries captured by the mesh plate 38 into the water-blocking extrusion area 3109. A cleaning port 31010 communicating with the water-blocking extrusion area 3109 is opened on the outer wall of the water treatment tank 1, and a sealing plug 31011 is arranged in the cleaning port 31010. After the sealing plug 31011 is opened, the sundries in the water-blocking extrusion area 3109 can be removed along the cleaning port 31010.

[0054] A blockage prevention assembly 31012 matching with the mesh plate 38 is arranged on the force-bearing plate 3104.

[0055] In this embodiment, as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figures 5 to 11 shown, the blockage prevention assembly 31012 includes leather cups 310121 fixedly installed on the surface of the force-bearing plate 3104 and corresponding to the mesh holes of the mesh plate 38. A number of through holes 310122 are opened on the surface of the leather cup 310121. A leather pad 310123 covering the through holes 310122 is arranged on the outer surface of the leather cup 310121, and the leather pad 310123 is locally and singly fixed to the leather cup 310121 along one side. The mesh plate 38 and the force-bearing plate 3104 are mutually attached. The air pressure in the leather cup 310121 squeezes open the leather pad 310123, and the pressure is relieved by the through holes 310122, so that the leather cup 310121 on the force-bearing plate 3104 is buckled and adsorbed on the mesh holes of the mesh plate 38. When the mesh plate 38 deflects and separates from the force-bearing plate 3104, the leather pad 310123 seals the through holes 310122, making the leather cup 310121 form negative pressure along the mesh plate 38 and sucking out the blockage in the mesh holes.

[0056] In this embodiment, as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figures 5 to 11As shown, the water treatment tank 1 is fixedly connected to the front-end treatment device through a pipeline, and an exhaust gas inlet pipe is fixedly arranged on one side of the front-end treatment device. The tail gas generated by the new energy boiler enters the front-end treatment device along the exhaust gas inlet pipe, and after preliminary treatment, it is injected into the water treatment tank 1 along the pipeline.

[0057] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 11 As shown, a number of embedding grooves are formed on the surface of the net plate 38, and the air injection pipe 39 is clamped in the embedding grooves through a buckle structure. While ensuring that the air injection pipe 39 can be stably installed in the embedding grooves for use, it also enables the air injection pipe 39 to be conveniently taken out of the embedding grooves.

[0058] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 11 As shown, the air injection pipe 39 is screwed to the rotating shaft 31 through a threaded structure. By rotating the air injection pipe 39, it can be disassembled and assembled from the rotating shaft 31, facilitating the user to separate the air injection pipe 39 from the rotating shaft 31.

[0059] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 11 As shown, a limiting block matched with the first scraping plate 3102 is fixedly arranged on the guide rod 3101. After the first scraping plate 3102 is pushed by the pushing spring 3103, the limiting block restricts it from moving to the extent of jamming the rotation of the net plate 38, and also enables the net plate 38 to have a sufficient upward rotation inclination to push the stress plate 3104 to displace.

[0060] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 11 As shown, a number of anti-disturbance flow grooves are formed on the stress plate 3104. When the stress plate 3104 moves, the anti-disturbance flow grooves can reduce the disturbance to the treatment solvent inside the water treatment tank 1, and can effectively reduce the vibration of the device during operation.

[0061] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 11As shown, a connecting buckle is fixedly arranged at the tail of the leather cup 310121, and the connecting buckle and the stress plate 3104 are fixedly connected by bolts. Unscrewing the bolts can remove the leather cup 310121 from the stress plate 3104 through the connecting buckle, which is convenient for users to replace and repair the leather cup 310121.

[0062] The usage method and advantages of the present invention: When the tail gas treatment and purification device for the new energy boiler works and is used, the working process is as follows:

[0063] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 11 shown:

[0064] S1. The tail gas generated by the new energy boiler enters the front-end treatment equipment along the waste gas inlet pipe. After preliminary treatment, it is then injected into the water treatment tank 1 along the pipeline. The waste gas enters from the lower side of the tank and is mixed with the treatment solvent. The treated and purified gas finally passes through the filter net 2 and is discharged.

[0065] S2. When the waste gas enters the water treatment tank 1 along the pipeline, it first enters the gas groove 36 and is introduced into the air pressure cavity 32 to exert a thrust on the airtight flap 33, causing it to compress the return spring 35 and move towards the airtight baffle 34. During this process, the rotating shaft 31 and the mesh plate 38 rotate until the mesh plate 38 deflects from the vertical position to the horizontal position at the bottom of the water treatment tank 1. At this time, the air port 37 is communicated with the intake area of the air pressure cavity 32, and the waste gas enters the inside of the rotating shaft 31 and is sprayed into the treatment solvent along the spray pipe 39 to treat the waste gas with the treatment solvent.

[0066] S3. When the jet treatment ends, the return spring 35 drives the mesh plate 38 to reset, and during the rotation process of the mesh plate 38, it captures the flocs and sundries in the treatment solvent.

[0067] S4. During the process of the mesh plate 38 deflecting to the horizontal position, the elastic cord 3107 contracts to pull the second scraper 3108 upward, and at the same time, the push spring 3103 pushes the first scraper 3102 to the right. When the mesh plate 38 rotates and resets, the mesh plate 38 pushes the first scraper 3102 to the left along the stress plate 3104, scraping off the sundries adhered to the filter net 2. At the same time, the stress plate 3104 pushes the second scraper 3108 downward along the rotating mesh plate 38, scraping off the sundries on the mesh plate 38 until the water isolation extrusion area 3109 is formed between the second scraper 3108 and the mesh plate 38 and the inner wall of the water treatment tank 1. During this process, the second scraper 3108 presses the sundries captured by the mesh plate 38 into the water isolation extrusion area 3109.

[0068] S5. After the screen plate 38 pushes the force-bearing plate 3104 back to its original position, the surfaces of the two are in mutual contact. The air pressure inside the leather cup 310121 squeezes open the leather gasket 310123, and the pressure is relieved through the through hole 310122, so that the leather cup 310121 on the force-bearing plate 3104 is buckled and adsorbed on the mesh hole of the screen plate 38. When the screen plate 38 deflects and separates from the force-bearing plate 3104, the leather gasket 310123 seals the through hole 310122, so that the leather cup 310121 forms a negative pressure along the screen plate 38 and sucks out the blockage in the mesh hole.

[0069] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A tail gas treatment and purification device for a new energy boiler, comprising a water treatment box (1) with a treatment solvent inside, and a pipeline is fixedly arranged on the side of the water treatment box (1), a purification outlet pipe is fixedly arranged on the top of the water treatment box (1), and a filter screen (2) is fixedly arranged on the upper side of the water treatment box (1), characterized in that: A water filter (3) matched with the pipeline is arranged inside the water treatment box (1); The water filter (3) comprises a rotating shaft (31) of a hollow structure rotatably arranged inside the water treatment box (1), and a circular air pressure chamber (32) is provided inside one side wall of the water treatment box (1), one end of the rotating shaft (31) extends through the air pressure chamber (32), and an airtight flap (33) matching the air pressure chamber (32) is fixedly arranged on the extended end of the rotating shaft (31); An airtight baffle (34) matching with the airtight flap (33) is fixedly mounted on the inner wall of the air pressure chamber (32), and a return spring (35) is arranged between the airtight baffle (34) and the airtight flap (33); An air groove (36) connected to the pipeline is provided in the wall of the water treatment box (1) on one side close to the pipeline, and the air groove (36) is connected to the air pressure chamber (32); The rotating shaft (31) is provided with an air port (37) for controlling air intake on the axial surface of the air pressure chamber (32); A mesh plate (38) for filtering impurities inside the solvent is fixedly connected to the rotating shaft (31), and an air jet pipe (39) is fixedly embedded on the surface of the mesh plate (38), and the air jet pipe (39) passes through the mesh plate (38) and is in communication with the interior of the rotating shaft (31); The water treatment box (1) and the mesh plate (38) are provided with a two-way cleaning component (310) for cleaning the filter screen (2) and the filtered matter on the surface of the mesh plate (38).

2. The tail gas treatment and purification device for a new energy boiler according to claim 1 is characterized in that: The bidirectional cleaning assembly (310) comprises a guide rod (3101) fixedly arranged inside the water treatment box (1), and the guide rod (3101) is located at the lower side of the filter screen (2), a first scraper (3102) cooperating with the filter screen (2) is slidably connected to the guide rod (3101), and a push spring (3103) cooperating with the first scraper (3102) is arranged on the guide rod (3101); A force-bearing plate (3104) is fixedly provided at the bottom of the first scraper (3102) and is pushed by the upwardly rotating mesh plate (38); Two slide grooves (3105) are provided on the side surface of the mesh plate (38), and a slide seat (3106) is slidably connected in each of the two slide grooves (3105). The slide seat (3106) is connected to the inner top wall of the slide groove (3105) via an elastic rope (3107), and the elastic rope (3107) pulls the slide seat (3106) to move upward; A second scraper (3108) is fixedly connected to the outer sides of the surfaces of the two slide seats (3106) and is pushed by the force-bearing plate (3104) to scrape the mesh plate (38); After the second scraper (3108) moves down to the bottom, the area between the second scraper (3108) and the mesh plate (38) and the inner wall of the water treatment box (1) is set as a water-proof squeezing area (3109), and the outer wall of the water treatment box (1) is provided with a cleaning port (31010) connected to the water-proof squeezing area (3109), and a sealing plug (31011) is provided in the cleaning port (31010); The force-bearing plate (3104) is provided with an anti-blocking component (31012) that cooperates with the mesh plate (38).

3. The tail gas treatment and purification device for a new energy boiler according to claim 2 is characterized in that: The anti-blocking component (31012) includes a leather cup (310121) fixedly mounted on the surface of the force-bearing plate (3104) and corresponding to the mesh holes of the mesh plate (38), and a plurality of through holes (310122) are provided on the surface of the leather cup (310121), and a leather pad (310123) covering the through holes (310122) is provided on the outer surface of the leather cup (310121), and the leather pad (310123) is locally fixed to the leather cup (310121) at a single point along one side.

4. The tail gas treatment and purification device for a new energy boiler according to claim 1 is characterized in that: The water treatment box (1) is fixedly connected to a front-end treatment device via a pipeline, and an exhaust gas intake pipe is fixedly arranged on one side of the front-end treatment device.

5. The tail gas treatment and purification device for a new energy boiler according to claim 1 is characterized in that: The surface of the mesh plate (38) is provided with a plurality of embedding grooves, and the air injection pipe (39) is snap-fitted into the embedding grooves via a snap-fit ​​structure.

6. The tail gas treatment and purification device for a new energy boiler according to claim 5 is characterized in that: The air injection pipe (39) and the rotating shaft (31) are screwed together via a threaded structure.

7. The tail gas treatment and purification device for a new energy boiler according to claim 2 is characterized in that: A limiting block matching the first scraper (3102) is fixedly arranged on the guide rod (3101).

8. The tail gas treatment and purification device for a new energy boiler according to claim 2 is characterized in that: The force-bearing plate (3104) is provided with a plurality of anti-disturbance flow grooves.

9. The tail gas treatment and purification device for a new energy boiler according to claim 3 is characterized by: A connecting buckle is fixedly provided at the tail of the leather cup (310121), and the connecting buckle is fixedly connected to the force-bearing plate (3104) by means of bolts.

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