CN112648629A - Ammonium salt anti-blocking filtering device of waste gas combustion treatment equipment - Google Patents

Abstract

The invention discloses an ammonium salt anti-blocking filtering device of waste gas combustion treatment equipment, which comprises an outer shell, wherein a first detection head of a differential pressure meter is communicated and arranged on an inlet pipe, and a second detection head of the differential pressure meter is communicated and arranged on an outlet pipe; the top wall of the inner cavity of the outer shell is connected with an elastic connecting plate, and a plurality of ceramic rings are fixedly arranged in the frame plate; the output end of the cylinder is fixedly provided with a baffle, an adjusting block is fixedly arranged on the baffle, and the communicating corrugated pipe is communicated with a downward-inclined spray header; the mixing box is communicated with a first interface pipe, the first interface pipe is communicated with a second interface pipe and a third interface pipe, and the third interface pipe is communicated with a return pipe. The ammonium salt anti-blocking filtering device of the waste gas combustion treatment equipment provided by the invention can automatically carry out reverse flushing when a ceramic ring is blocked by ammonium salt, is complete in flushing, has no dead angle, is low in flushing water consumption, effectively saves resources, is simple in structure and is convenient to use.

Description

Ammonium salt anti-blocking filtering device of waste gas combustion treatment equipment

Technical Field

The invention relates to the technical field of anti-blocking devices, in particular to an ammonium salt anti-blocking filtering device of waste gas combustion treatment equipment.

Background

Install heat accumulation pottery in the current heat accumulation formula waste gas burns burning furnace, waste gas gets into furnace through heat accumulation pottery and burns, contains partial particulate matter in the waste gas, blocks up the pottery easily, and the resistance increases, and waste gas fan frequency increases, and waste gas just can pass through the pottery, and the resistance is big to a certain extent, and when waste gas can't pass through, must change the pottery, change pottery and need burn burning furnace cooling, demolish old pottery, install new pottery, the intensification oven, the time limit for a project needs 4-5 days, influences production, and is with high costs.

The drawbacks of the prior art include, but are not limited to: 1. the existing device does not have an online washing function, and when the ceramic ring is blocked by ammonium salt, the ceramic ring needs to be manually disassembled for cleaning, so that time and labor are wasted, and the use is influenced; 2. the existing device needs to firstly use the water flow with the cleaning agent to wash for multiple times when being cleaned, then the clean water flow is used for washing at last, but the existing device still needs the additional concentrated cleaning agent and the proportioning structure of the water flow, the device is complex, the cleaning liquid can not be repeatedly used, resources are wasted, and the large-batch popularization and use are not convenient.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide an ammonium salt anti-blocking filter device of waste gas combustion treatment equipment, so as to solve the problems in the background technology.

An ammonium salt anti-blocking filtering device of waste gas combustion treatment equipment comprises an outer shell, wherein an inlet pipe and an outlet pipe are communicated and arranged on the outer shell, a first detection head of a differential pressure gauge is communicated and arranged on the inlet pipe, a second detection head of the differential pressure gauge is communicated and arranged on the outlet pipe, and a PLC (programmable logic controller) is arranged on the outer shell;

an elastic connecting plate is connected to the top wall of the inner cavity of the outer shell and connected to a frame plate, a plurality of ceramic rings are fixedly arranged in the frame plate, the bottom of the frame plate is fixedly arranged on a clamping seat, and the clamping seat is arranged on the waterproof weighing device;

the mixing tank is characterized in that a convex shell is integrally formed on the outer shell, an air cylinder is fixedly arranged in the convex shell, a baffle is fixedly arranged at the output end of the air cylinder, an adjusting block is fixedly arranged on the baffle, an L-shaped fixing plate is fixedly arranged on the top wall of an inner cavity of the outer shell and is connected with a concave plate through a spring, a water supply pipe is embedded in the concave plate, a plurality of communicating corrugated pipes are communicated with the water supply pipe, a downward-inclined spray head is communicated with the communicating corrugated pipes, the water supply pipe is communicated with the mixing tank, a baffle plate is fixedly arranged on the mixing tank, a rotating motor is arranged on the baffle plate, a driving wheel is fixedly arranged at the output end of the rotating motor, a first driving wheel is meshed with the side surface of the driving wheel, a stirring shaft is fixedly arranged at the center of the first driving, the cleaning agent box is characterized in that the stirring shaft is fixed at the center of the second driving wheel, the side surface of the second driving wheel is meshed with the third driving wheel, a lead screw is fixedly arranged at the center of the third driving wheel, a nut block is movably arranged on the lead screw, an L-shaped push rod is fixedly arranged on the nut block, the L-shaped push rod is fixed on a push plate, the push plate is movably arranged in the cleaning agent box, a cleaning agent outlet is formed in the position, at the bottom of the cleaning agent box, of the partition plate, and a micro pressure release valve is arranged in the;

the mixing box is provided with a first interface tube in a communicated mode, the first interface tube is provided with a second interface tube and a third interface tube in a communicated mode, the second interface tube is provided with a first valve, the third interface tube is provided with a second valve, the third interface tube is communicated with a return pipe, the return pipe is communicated with an inner cavity of the outer shell, the return pipe flows through the return filtering box, a filter screen is arranged in the return filtering box, and a water pump and a fourth valve are arranged on one side, close to the outer shell, of the return pipe.

Preferably, an inclined guide plate is fixedly arranged at the bottom of the inner cavity of the outer shell, a balance plate is fixedly arranged on the inclined guide plate, and the upper surface of the balance plate is in a horizontal position and is fixedly arranged below the waterproof weighing device.

Preferably, an elastic sealing gasket is connected between the concave plate and the L-shaped fixing plate.

Preferably, the top wall of the inner cavity of the outer shell is fixedly provided with a scraping block.

Preferably, the bottom of the screw rod is fixedly provided with a connecting rod, the connecting rod is hinged in a bearing seat, and the bearing seat is fixedly arranged on the partition plate.

Preferably, the cleaning agent box is communicated with an adding port, and a sealing cover is arranged on the adding port in a threaded manner.

Preferably, a drain outlet is communicated with the backflow filter box and is provided with a third valve.

Preferably, the shell body is fixedly provided with a protective cover, the mixing box is arranged in the protective cover, the second interface tube and the third interface tube penetrate through the side wall of the mixing box, and the mixing box is hinged with a movable door.

Preferably, a supporting base is fixedly arranged at the bottom of the outer shell.

Has the advantages that:

1. the ammonium salt anti-blocking filter device of the waste gas combustion treatment equipment has an online flushing function, when the difference between the detection values of the second detection head of the differential pressure gauge and the first detection head of the differential pressure gauge exceeds a preset value, or the weight increase detected by the waterproof weighing device exceeds the preset value, the situation that more ammonium salt is blocked in the ceramic ring is indicated, at the moment, the corresponding flushing device can be automatically started through the PLC controller to reversely flush the ceramic ring, manual disassembly and cleaning are not needed, and the efficiency is higher;

2. according to the ammonium salt anti-blocking filtering device of the waste gas combustion treatment equipment, the cleaning agent box and the mixing box are arranged on the outer shell, so that concentrated cleaning agents can be stored, and the cleaning agents are extruded out at a constant speed during automatic cleaning, so that the cleaning agents and clean water are mixed and proportioned in the mixing box in real time, the structure is centralized, and the device is more convenient;

3. according to the ammonium salt anti-blocking filtering device of the waste gas combustion treatment equipment, water flow with the cleaning agent can be circulated for many times, the water consumption is reduced, the ceramic ring is washed more cleanly, and finally clean water is used for washing once, so that the overall resource consumption is reduced;

4. according to the ammonium salt anti-blocking filtering device of the waste gas combustion treatment equipment, the spray header is originally arranged obliquely downwards, but the air cylinder can drive the adjusting block through the baffle plate, and the adjusting block can press the concave plate, so that the spray header is inclined upwards, therefore, multi-angle cleaning is realized, and the cleaning dead angle of the ceramic ring is effectively reduced;

5. according to the ammonium salt anti-blocking filtering device of the waste gas combustion treatment equipment, when the automatic cleaning function is not used, the baffle can cover the concave plate, so that other internal structures such as a spray header and the like are prevented from being polluted, when the automatic washing device is opened, the baffle can move along the scraping block, the scraping block can scrape impurities attached to the baffle, the device is cleaner and tidier, timely cleaning is achieved, and the service life of the device is effectively prolonged.

The ammonium salt anti-blocking filtering device of the waste gas combustion treatment equipment provided by the invention can automatically carry out reverse flushing when a ceramic ring is blocked by ammonium salt, is complete in flushing, has no dead angle, is low in flushing water consumption, effectively saves resources, is simple in structure and is convenient to use.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the invention at B in FIG. 1;

fig. 4 is a schematic view of the structure of the ceramic ring in the frame plate according to the present invention.

In the figure: an outer shell 1, an inlet pipe 2, an outlet pipe 3, a first detection head of a differential pressure gauge 4, a second detection head of the differential pressure gauge 5, a PLC controller 6, an elastic connecting plate 7, a frame plate 8, a 801 ceramic ring, a clamping seat 9, a waterproof weighing device 10, an inclined guide plate 11, a balance plate 12, a convex shell 13, a cylinder 14, a baffle 15, an adjusting block 151, a fixed plate 16L, a spring 17, a concave plate 18, an elastic sealing gasket 19, a water supply pipe 20, a communicating corrugated pipe 21, a spray head 22, a scraping block 23, a mixing box 24, a partition plate 25, a rotating motor 26, a driving wheel 27, a driving wheel I28, a stirring shaft 29, a circular ring bearing 30, a stirring blade 31, a driving wheel II, a driving wheel III 33, a screw rod 34, a connecting rod 35, a bearing seat, a nut block 37, a push rod 38L, a push plate 39, a cleaning agent box 40, a cleaning agent outlet 41, a micro, 44 second mouthpiece, 441 first valve, 45 third mouthpiece, 451 second valve, 46 return pipe, 47 return filter tank, 48 filter screen, 49 drain, 50 third valve, 51 water pump, 52 fourth valve, 53 protective cover, 54 movable door, 55 support base.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The invention provides a technical scheme that:

the utility model provides a stifled filter equipment is prevented to waste gas combustion treatment facility's ammonium salt, including shell body 1, can articulate on the shell body 1 and be provided with the access door that can the switching, but as the clearing hole, be convenient for artifical positive and negative to ceramic ring 801 wash the regeneration, the intercommunication is provided with import pipe 2 and outlet pipe 3 on the shell body 1, import pipe 2 goes up the intercommunication and is provided with the first detection head 4 of differential pressure meter, the intercommunication is provided with the differential pressure meter second on the outlet pipe 3 and detects head 5, the first detection head 4 of differential pressure meter and differential pressure meter second detect the gas variation behind the shell body 1 that is used for detecting, whether there is the jam in judging ceramic ring 801, be provided with PLC controller 6 on the shell body 1, PLC controller 6 can control the electric elements in this application.

Be connected on the inner chamber roof of shell body 1 and be provided with elasticity connecting plate 7, elasticity connecting plate 7 has certain flexible elasticity, elasticity connecting plate 7 is connected on frame plate 8, fixed a plurality of ceramic rings 801 that are provided with in the frame plate 8, ceramic ring 801 can filter ammonium salt, the fixed setting in cassette 9 in bottom of frame plate 8, cassette 9 sets up on waterproof weighing device 10, when more ammonium salt blocks up in ceramic ring 801, the weight that waterproof weighing device 10 weighed can increase, with this judgement whether need start the function of washing.

A convex shell 13 is integrally formed on an outer shell 1, an air cylinder 14 is fixedly arranged in the convex shell 13, a baffle 15 is fixedly arranged at the output end of the air cylinder 14, the air cylinder 14 is mainly used for pushing the baffle 15 to move, an adjusting block 151 is fixedly arranged on the baffle 15, an L-shaped fixing plate 16 is fixedly arranged on the top wall of an inner cavity of the outer shell 1, the L-shaped fixing plate 16 is connected with a concave plate 18 through a spring 17, a water supply pipe 20 is embedded in the concave plate 18, a booster pump can be arranged on the water supply pipe 20 to increase the power of water flow sprayed out of the spray header 22 and improve the cleaning effect, a plurality of communicating corrugated pipes 21 are communicated on the water supply pipe 20, a downward-inclined spray header 22 is communicated on the communicating corrugated pipes 21, the water flow sprayed out of the spray header 22 can reversely flush the ceramic rings 801, the water supply pipe, the partition plate 25 is provided with a rotating motor 26, the output end of the rotating motor 26 is fixedly provided with a driving wheel 27, the side surface of the driving wheel 27 is meshed with a first driving wheel 28, the center of the first driving wheel 28 is fixedly provided with a stirring shaft 29 in a penetrating way, one section of the stirring shaft 29 extending to the mixing box 24 is fixedly provided with a stirring blade 31, the stirring blade 31 is used for rapidly mixing concentrated cleaning agent and clean water in the mixing box 24, the stirring shaft 29 is fixed at the center of a second driving wheel 32, the side surface of the second driving wheel 32 is meshed with a third driving wheel 33, the center of the third driving wheel 33 is fixedly provided with a screw rod 34, a nut block 37 is movably arranged on the screw rod 34, when the screw rod 34 rotates, the nut block 37 can move along the screw rod 34, an L-shaped push rod 38 is fixedly arranged on the nut block 37, the L, concentrated cleaning agent, including the chemical reagent of high concentration is placed in cleaning agent case 40 for wash ceramic ring 801, and baffle 25 has seted up cleaning agent outlet 41 in the position department of cleaning agent case 40 bottom, is provided with miniature relief valve 411 in the cleaning agent outlet 41, and under the initial state of no pressure, miniature relief valve 411 is closed, and then avoids the concentrated cleaning agent in cleaning agent case 40 to leak.

The mixing tank 24 is provided with a first mouthpiece 43 in a communicating manner, the first mouthpiece 43 is provided with a second mouthpiece 44 and a third mouthpiece 45 in a communicating manner, the second mouthpiece 44 is provided with a first valve 441, the second mouthpiece 44 is communicated with an external clean water pipeline, the third mouthpiece 45 is provided with a second valve 451, the third mouthpiece 45 is communicated with a return pipe 46, the return pipe 46 is communicated with the inner cavity of the outer shell 1, the return pipe 46 flows through a return filter tank 47, a filter screen 48 is arranged in the return filter tank 47, the filter screen 48 is used for intercepting and blocking impurities in the circulating cleaning liquid, and one side of the return pipe 46 close to the outer shell 1 is provided with a water pump 51 and a fourth valve 52.

Further, the inner chamber bottom of shell body 1 is fixed and is provided with slope guide plate 11, and the one end that slope guide plate 11 is close to back flow 46 kneck is minimum, is convenient for carry out quick water conservancy diversion to the washing water in the shell body 1, and the fixed balance plate 12 that is provided with on the slope guide plate 11, the slope of balance plate 12 bottom surface for offset the slope of slope guide plate 11, the upper surface of balance plate 12 is in horizontal position and fixed the setting in the below of waterproof weighing device 10.

Furthermore, an elastic gasket 19 is connected between the concave plate 18 and the L-shaped fixing plate 16, and the elastic gasket 19 is arranged to prevent the spring 17 from being polluted.

Further, a scraping block 23 is fixedly arranged on the top wall of the inner cavity of the outer shell 1, and when the baffle 15 moves, impurities attached to the surface of the baffle 15 can be timely scraped by the scraping block 23, so that the impurities are prevented from being accumulated.

Further, a connecting rod 35 is fixedly arranged at the bottom of the screw rod 34, the connecting rod 35 is hinged in a bearing seat 36, and the bearing seat 36 is fixedly arranged on the partition plate 25.

Furthermore, an adding port 42 is communicated with the cleaning agent box 40, a sealing cover is arranged on the adding port 42 in a threaded mode, concentrated cleaning solution can be added into the cleaning agent box 40 from the adding port 42, and the sealing cover is screwed after the concentrated cleaning solution is added.

Further, a drain outlet 49 is communicated with the backflow filter tank 47 and used for discharging impurities intercepted by the filter screen 48, and a third valve 50 is arranged on the drain outlet 49.

Further, a protective cover 53 is fixedly arranged on the outer shell 1, the mixing box 24 is arranged in the protective cover 53, the second interface tube 44 and the third interface tube 45 penetrate through the side wall of the mixing box 24, the arrangement of the protective cover 53 can prevent the inner structure from being polluted, the whole body is more attractive, a movable door 54 is hinged to the mixing box 24, and the movable door 54 can be opened or closed.

Further, a support base 55 is fixedly arranged at the bottom of the outer shell 1.

Example 1: the most applicable temperature range of the device is 50-110 ℃, under the temperature, the formation of ammonium salt can be promoted, ammonia and chlorine in gas phase can be removed, when the device is installed, the inlet pipe 2 on the outer shell 1 is communicated with the flue gas inlet end in the combustion chamber, the outlet pipe 3 is communicated with the flue gas outlet end in the combustion chamber, and the ceramic ring 801 in the inner cavity of the outer shell 1 can effectively adsorb and filter the ammonium salt in the flue gas.

Example 2: when the difference value detected by the first detection head 4 and the second detection head 5 of the differential pressure gauge exceeds a predetermined value, or when the weight increase value weighed by the waterproof weighing device 10 exceeds a predetermined value, it is indicated that the ceramic ring 801 is blocked by ammonium salt at this time, the PLC controller 6 starts the air cylinder 14 and the rotating motor 26, on one hand, the air cylinder 14 drives the baffle 15 to move upwards, the baffle 15 can scrape impurities attached to the baffle by means of the scraping block 23 in the upward moving process until the baffle gradually enters the convex shell 13, the shower head 22 is completely exposed, on the other hand, the rotating motor 26 drives the driving wheel 27 to rotate, the driving wheel 27 drives the stirring shaft 29 to rotate through the first driving wheel 28, the stirring shaft 29 simultaneously drives the stirring blades 31 and the second driving wheel 32 to rotate, the second driving wheel 32 drives the screw rod 34 to rotate through the third driving wheel 33, so that the nut block 37, nut block 37 promotes push pedal 39 through L type push rod 38, make miniature relief valve 411 receive pressure and open, and then squeeze into mixing box 24 through cleaner export 41 with the concentrated cleaner in cleaner case 40, open first valve 441 this moment, the clear water gets into mixing box 24 from second interface tube 44, stirring vane 31 carries out the flash mixed with concentrated cleaner and clear water, the water after the mixture passes through delivery pipe 20, intercommunication bellows 21 reaches shower head 22, shower head 22 can spout rivers and carry out the backwash to ceramic ring 801, shower head 22 is the downward sloping when initial condition, at this moment, can drive baffle 15 fine setting through cylinder 14, and then upwards drive concave board 18 through regulating block 151 and take place the slope, and then make shower head 22's spraying angle also upwards slope, therefore, realize more comprehensive washing to ceramic ring 801, reduce the blind area dead angle.

After the cleaning agent and clear water mixed liquid with a proper amount are used for washing, the rotating motor 26 is closed, the first valve 441 and the third valve 50 are closed, the second valve 451, the water pump 51 and the fourth valve 52 are opened, the mixed water with the cleaning agent in the outer shell 1 is recycled through the return pipe 46, the circulating water can pass through the return filter tank 47, the filter screen 48 can intercept impurities in the water until the mixed water is recycled for many times, the first valve 441, the third valve 50, the water pump 51 and the fourth valve 52 are opened, the second valve 451 is closed, the ceramic ring 801 is finally washed by the clear water, the water flow is discharged from the sewage outlet 49 and carries the impurities intercepted by the filter screen 48 in the return filter tank 47, the return filter tank 47 is additionally cleaned, and the next use is facilitated.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (9)

1. The utility model provides a stifled filter equipment is prevented to waste gas combustion treatment facility's ammonium salt, includes shell body (1), its characterized in that: an inlet pipe (2) and an outlet pipe (3) are communicated with the outer shell (1), a first detection head (4) of a differential pressure meter is communicated with the inlet pipe (2), a second detection head (5) of the differential pressure meter is communicated with the outlet pipe (3), and a PLC (programmable logic controller) is arranged on the outer shell (1);

an elastic connecting plate (7) is connected to the top wall of an inner cavity of the outer shell (1), the elastic connecting plate (7) is connected to a frame plate (8), a plurality of ceramic rings (801) are fixedly arranged in the frame plate (8), the bottom of the frame plate (8) is fixedly arranged on a clamping seat (9), and the clamping seat (9) is arranged on a waterproof weighing device (10);

the improved spraying device is characterized in that a convex shell (13) is integrally formed on the outer shell (1), an air cylinder (14) is fixedly arranged in the convex shell (13), a baffle (15) is fixedly arranged at the output end of the air cylinder (14), an adjusting block (151) is fixedly arranged on the baffle (15), an L-shaped fixing plate (16) is fixedly arranged on the top wall of an inner cavity of the outer shell (1), the L-shaped fixing plate (16) is connected with a concave plate (18) through a spring (17), a water supply pipe (20) is embedded in the concave plate (18), a plurality of communicating corrugated pipes (21) are communicated on the water supply pipe (20), a spraying head (22) which inclines downwards is communicated on the communicating corrugated pipes (21), the water supply pipe (20) is communicated with a mixing box (24), a partition plate (25) is fixedly arranged on the mixing box (24), and a rotating motor (26) is arranged, the output end of the rotating motor (26) is fixedly provided with a driving wheel (27), the side surface of the driving wheel (27) is meshed with a first driving wheel (28), a stirring shaft (29) is fixedly arranged at the center of the first driving wheel (28) in a penetrating mode, one section of the stirring shaft (29) extending to the mixing box (24) is fixedly provided with stirring blades (31), the stirring shaft (29) is fixed at the center of a second driving wheel (32), the side surface of the second driving wheel (32) is meshed with a third driving wheel (33), the center of the third driving wheel (33) is fixedly provided with a lead screw (34), a nut block (37) is movably arranged on the lead screw (34), an L-shaped push rod (38) is fixedly arranged on the nut block (37), the L-shaped push rod (38) is fixed on a push plate (39), and the push plate (39) is movably arranged in a cleaning agent box (, a cleaning agent outlet (41) is formed in the position, at the bottom of the cleaning agent box (40), of the partition plate (25), and a micro pressure release valve (411) is arranged in the cleaning agent outlet (41);

the improved water-saving filter is characterized in that a first interface tube (43) is arranged on the mixing box (24) in a communicated mode, a second interface tube (44) and a third interface tube (45) are arranged on the first interface tube (43) in a communicated mode, a first valve (441) is arranged on the second interface tube (44), a second valve (451) is arranged on the third interface tube (45), the third interface tube (45) is communicated with a return tube (46), the return tube (46) is communicated with an inner cavity of the outer shell (1), the return tube (46) flows through a return filter box (47), a filter screen (48) is arranged in the return filter box (47), and a water pump (51) and a fourth valve (52) are arranged on one side, close to the outer shell (1), of the return tube (46).

2. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: the water-proof weighing machine is characterized in that an inclined guide plate (11) is fixedly arranged at the bottom of an inner cavity of the outer shell (1), a balance plate (12) is fixedly arranged on the inclined guide plate (11), and the upper surface of the balance plate (12) is in a horizontal position and is fixedly arranged below the water-proof weighing machine (10).

3. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: an elastic sealing gasket (19) is connected between the concave plate (18) and the L-shaped fixing plate (16).

4. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: and a scraping and rubbing block (23) is fixedly arranged on the top wall of the inner cavity of the outer shell (1).

5. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: the bottom of the screw rod (34) is fixedly provided with a connecting rod (35), the connecting rod (35) is hinged in a bearing seat (36), and the bearing seat (36) is fixedly arranged on the partition plate (25).

6. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: an adding port (42) is communicated with the cleaning agent box (40), and a sealing cover is arranged on the adding port (42) in a threaded mode.

7. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: a drain outlet (49) is communicated with the backflow filter box (47), and a third valve (50) is arranged on the drain outlet (49).

8. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: the shell body (1) is fixedly provided with a protective cover (53), the mixing box (24) is arranged in the protective cover (53), the second interface tube (44) and the third interface tube (45) penetrate through the side wall of the mixing box (24), and the mixing box (24) is hinged to a movable door (54).

9. The ammonium salt anti-blocking filter device of the exhaust gas combustion treatment equipment according to claim 1, characterized in that: the bottom of the outer shell (1) is fixedly provided with a supporting base (55).

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