Waste gas purification device for autoclaved brick production

Abstract

The utility model relates to the technical field of autoclaved brick production, and provides a waste gas purification device for autoclaved brick production, which comprises a spray tower, the inner wall of the spray tower is fixedly connected with an atomizing spray disc, the inner wall of the spray tower below the atomizing spray disc is fixedly connected with a filler, the top end of the spray tower is fixedly connected with an exhaust pipe, and the top end of the spray tower is fixedly connected with an exhaust pipe. A spraying pipe is fixedly connected to one side of the spraying tower, a fixing box is fixedly connected to the lower end of the other side of the spraying tower through a guide pipe, a filtering box is fixedly connected to the upper end of one side of the fixing box, and a waste gas inlet pipe is fixedly connected to one side of the filtering box. The filter screen is used for filtering dust particles, then the cleaning brush is used for cleaning the bottom end of the filter screen, and the dust particles are discharged through the chip removal square pipe, so that the filter screen is automatically cleaned, the frequency of halting, disassembling and cleaning the filter screen is reduced, the labor intensity of workers is reduced, and the working efficiency of waste gas purification is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of autoclaved brick production, in particular to an exhaust gas purification device for autoclaved brick production. Background Art

[0002] Autoclaved brick is a new type of environmentally friendly building material. It is mainly made of a uniform mixture of cementitious materials, siliceous materials and mineral materials, and then precisely molded through an autoclave process. Because of its high strength, durability, sound insulation, heat insulation, waterproofness and fire resistance, it is widely used in today's construction field. Autoclaved bricks will generate a large amount of waste gas during the production and processing process. These waste gases will cause serious pollution to the air environment. Therefore, they need to be purified before being discharged.

[0003] After searching, the existing patent (Announcement No.: CN213348302U) discloses a waste gas purification device for autoclaved brick production, which relates to the field of waste gas purification technology, in order to solve the problem that a large amount of waste gas containing smoke and dust will be generated in the existing autoclaved brick production process, and the direct discharge of waste gas will cause air pollution. The shell of the waste gas purification device is equipped with sealing reinforcement edges on both sides, and the outer side of the sealing reinforcement edges is equipped with a wind guide fixed shell, and the outer sides of the two wind guide fixed shells are respectively equipped with connecting air intake pipes and discharge fixed pipes, and the shell of the waste gas purification device is equipped with activated carbon adsorption fillers on both sides, and the middle position of the upper part of the shell of the waste gas purification device is equipped with a guide pipe, and a booster pump is installed on the guide pipe. The front end of the shell of the waste gas purification device is equipped with a disassembly and cleaning rack on both sides, and a diversion pipe is installed below the diversion pipe, and a spray head is installed below the diversion pipe.

[0004] However, in the above scheme, it is inconvenient to filter and clean the dust, and a large amount of dust particles are mixed in the exhaust gas. Traditionally, only the filter is used for preliminary filtration, but the filter is easily clogged by dust particles, which requires shutdown, disassembly and cleaning, which increases the labor intensity of the staff and reduces the efficiency of exhaust gas treatment, resulting in inconvenience in its use.

[0005] In view of this, the utility model proposes an exhaust gas purification device for autoclaved brick production. Utility Model Content

[0006] The utility model provides an exhaust gas purification device for autoclaved brick production, which solves the problem of inconvenient dust filtering and cleaning in the related technology.

[0007] The technical solution of the utility model is as follows: a waste gas purification device for autoclaved brick production, comprising a spray tower, an inner wall of the spray tower is fixedly connected with an atomizing spray disc, the inner wall of the spray tower below the atomizing spray disc is fixedly connected with a filler, the front of the spray tower is fixedly connected with an inspection door, the top of the spray tower is fixedly connected with an exhaust pipe, one side of the spray tower is fixedly connected with a spray pipe, one side of the spray pipe is connected with one side of the atomizing spray disc through a conduit, one side of the bottom end of the spray tower is fixedly connected with a drain pipe, the lower end of the other side of the spray tower is fixedly connected with a fixed box through a conduit, the upper end of one side of the fixed box is fixedly connected with a filter box, a filter assembly is arranged inside the filter box, the bottom end of the filter box is fixedly connected with a chip removal square pipe, and one side of the filter box is fixedly connected with an exhaust gas inlet pipe.

[0008] The filter assembly comprises a sealing plate, which is movably connected to the front side of the filter box, and the back side of the sealing plate is fixedly connected with a filter screen extending into the interior of the filter box, and a servo motor is fixedly connected to the front side of the filter box below the sealing plate, and an output end of the servo motor extends into the interior of the filter box and is fixedly connected to a threaded rod through a coupling, and a threaded block is threadedly connected to the surface of the threaded rod, and a connecting plate is fixedly connected to one side of the threaded block, and a cleaning brush is fixedly connected to the top of the connecting plate, so that powder particles in the exhaust gas are filtered through the filter screen, and the exhaust gas is transported upward from the bottom, thereby reducing the adhesion and residue of powder particles at the bottom of the filter screen. At the same time, the servo motor can be started regularly so that the threaded block and the connecting plate slide and drive the cleaning brush to wipe and clean the bottom of the filter screen, sweep off and discharge the powder particles adhered to the bottom of the filter screen, thereby realizing automatic filtering and cleaning, avoiding the excessive labor intensity caused by the traditional need for staff to frequently disassemble and assemble the filter screen for cleaning, and the need to stop the machine for disassembly and cleaning, resulting in a decrease in exhaust gas purification efficiency.

[0009] Preferably, fixing bolts are movably connected on both sides of the front side of the sealing plate, and bolt holes threadedly matched with the fixing bolts are provided on both sides of the front side of the filter box, so as to facilitate the disassembly and assembly of the filter screen for thorough cleaning or maintenance.

[0010] Preferably, a slide groove is provided at the upper end of the inner wall of the filter box, and a slider that slidably cooperates with the inside of the slide groove is fixedly connected to one side of the connecting plate, so as to facilitate the cleaning brush to wipe and clean the bottom end of the filter screen smoothly.

[0011] Preferably, the length of the cleaning brush is equal to the width of the filter screen, and the cleaning brush is fixedly connected to the top end of the connecting plate by bolts, so as to facilitate more thorough cleaning of the bottom end of the filter screen.

[0012] Preferably, the cross-sectional area of ​​the sealing plate is larger than the cross-sectional area of ​​the opening at the upper front end of the filter box, and the cross-sectional shape of the sealing plate is rectangular, so that the sealing plate can completely seal the opening on the front side of the filter box after installation, and a sealing ring can be provided on the back side of the sealing plate to further improve the sealing effect and avoid leakage of exhaust gas.

[0013] Preferably, guide plates are fixedly connected to both ends of the inner wall of the filter box, and the cross-section of the guide plates is in the shape of a right triangle, so that the powder particles filtered by the filter screen and swept down can be more thoroughly discharged from the chip removal square tube.

[0014] Preferably, the inner wall of the fixed box is fixedly connected with recovery pipes at equal intervals, the upper end of the front side of the fixed box is fixedly connected with a water outlet square pipe, the back side of the water outlet square pipe is connected with one end of the recovery pipe, the front side of the water outlet square pipe is fixedly connected with a water outlet pipe, the lower end of the front side of the fixed box is fixedly connected with a water inlet square pipe, the back side of the water inlet square pipe is connected with one end of the recovery pipe, and the front side of the water inlet square pipe is fixedly connected with a water inlet pipe, cold and clean water is transported from the water inlet pipe to the inside of the water inlet square pipe, and then diverted to the inside of the recovery pipe, and heat exchanged with the hot exhaust gas inside the fixed box, so as to avoid excessive heat in the exhaust gas and affect subsequent purification and discharge operations, and at the same time, the water after heat exchange can be used for washing hands, bathing, washing clothes or reheating for drinking, etc., so as to achieve the purpose of exhaust gas cooling and waste heat recovery.

[0015] Preferably, the recovery pipe has a serpentine cross-section, and the recovery pipes are evenly spaced inside the fixed box. The serpentine recovery pipes are used to extend the contact time and contact area between the cold water inside the recovery pipe and the hot exhaust gas inside the fixed box, thereby improving the heat exchange effect.

[0016] Preferably, a sewage discharge door is fixedly connected to the lower end of one side of the fixed box via a hinge, so that the powder particles accumulated on the bottom wall of the fixed box can be cleaned and removed after the sewage discharge door is opened.

[0017] Preferably, a guide plate is fixedly connected to the inner bottom wall of the spray tower, and the guide plate is inclined at an angle of twenty degrees to the horizontal direction, so that the sewage after spraying can be discharged from the drain pipe faster and more completely.

[0018] The working principle and beneficial effects of the utility model are:

[0019] 1. The utility model provides a filter assembly, a chip removal square tube and a guide plate, and the powder particles in the exhaust gas are filtered through the filter screen, and the exhaust gas is transported upward from the bottom, thereby reducing the adhesion and residue of the powder particles at the bottom of the filter screen. At the same time, the servo motor can be started regularly, so that the threaded block and the connecting plate slide and drive the cleaning brush to wipe and clean the bottom of the filter screen, sweeping down the powder particles adhering to the bottom of the filter screen, and the chip removal square tube can be opened regularly, so that the powder particles can be more thoroughly discharged from the chip removal square tube under the guidance of the guide plate, thereby realizing automatic filtering and cleaning, and the filter screen can also be disassembled and assembled for thorough cleaning or maintenance, avoiding the cumbersome and inconvenient traditional method of frequently disassembling and assembling the filter screen for cleaning, reducing the labor intensity of the staff, and improving the purification efficiency of the exhaust gas;

[0020] 2. In the utility model, the fixed box, water inlet square pipe, water inlet pipe, water outlet square pipe, water outlet pipe and recovery pipe are set to transport cold clean water from the water inlet pipe to the inside of the water inlet square pipe, and then divert it to the inside of the recovery pipe. The shape of the water flow is used to reduce the water flow rate, prolong the contact time and contact area with the hot exhaust gas inside the fixed box, and improve the heat exchange effect, thereby effectively reducing the heat in the exhaust gas to avoid excessive heat affecting subsequent purification and discharge operations. At the same time, the water after heat exchange is concentratedly guided and discharged by the water outlet square pipe and the water outlet pipe. This part of the hot water can be used for washing hands, bathing, washing clothes, or reheating for drinking, etc., to achieve the purpose of cooling the exhaust gas and recovering waste heat, avoid thermal pollution and heat loss caused by excessive heat in the exhaust gas, and improve the environmental protection of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Figure 1 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0023] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the spray tower of the utility model;

[0025] Figure 4 This is a schematic diagram of the cross-sectional structure of the filter box of the utility model;

[0026] Figure 5 This is a schematic diagram of the explosion cross-section structure of the filter screen of the utility model;

[0027] Figure 6 For the utility model Figure 5 Enlarged structural diagram at A in the middle.

[0028] In the figure: 1. exhaust pipe; 2. spray pipe; 3. spray tower; 4. drain pipe; 5. fixing box; 6. water inlet square pipe; 7. water inlet pipe; 8. filter box; 9. filter assembly; 901. servo motor; 902. sealing plate; 903. connecting plate; 904. filter screen; 905. cleaning brush; 906. threaded block; 907. threaded rod; 908. slide groove; 909. slide block; 910. bolt hole; 911. fixing bolt; 10. water outlet square pipe; 11. water outlet pipe; 12. inspection door; 13. atomizing spray disc; 14. packing; 15. recovery pipe; 16. guide plate; 17. sewage door; 18. exhaust gas inlet pipe; 19. chip removal square pipe; 20. guide plate. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example 1

[0031] The preferred embodiment of the waste gas purification device for autoclaved brick production provided by the utility model is as follows Figures 1 to 6 As shown: a waste gas purification device for autoclaved brick production, including a spray tower 3, an inner wall of the spray tower 3 is fixedly connected with an atomizing spray disc 13, the inner wall of the spray tower 3 below the atomizing spray disc 13 is fixedly connected with a filler 14, the front of the spray tower 3 is fixedly connected with an inspection door 12, the top of the spray tower 3 is fixedly connected with an exhaust pipe 1, one side of the spray tower 3 is fixedly connected with a spray pipe 2, one side of the spray pipe 2 is connected with one side of the atomizing spray disc 13 through a conduit, one side of the bottom end of the spray tower 3 is fixedly connected with a drain pipe 4, the lower end of the other side of the spray tower 3 is fixedly connected with a fixed box 5 through a conduit, the upper end of one side of the fixed box 5 is fixedly connected with a filter box 8, a filter assembly 9 is arranged inside the filter box 8, the bottom end of the filter box 8 is fixedly connected with a chip removal square pipe 19, and one side of the filter box 8 is fixedly connected with an exhaust gas inlet pipe 18.

[0032] The filter assembly 9 includes a sealing plate 902, which is movably connected to the front side of the filter box 8. A filter screen 904 extending into the interior of the filter box 8 is fixedly connected to the back side of the sealing plate 902. A servo motor 901 is fixedly connected to the front side of the filter box 8 below the sealing plate 902. The output end of the servo motor 901 extends into the interior of the filter box 8 and is fixedly connected to a threaded rod 907 through a coupling. A threaded block 906 is threadedly connected to the surface of the threaded rod 907. A connecting plate 903 is fixedly connected to one side of the threaded block 906. A cleaning brush 905 is fixedly connected to the top of the connecting plate 903. Powder particles in the exhaust gas are filtered through the filter screen 904. At the same time, the servo motor 901 can be started regularly so that the threaded block 906 and the connecting plate 903 slide to drive the cleaning brush 905 to wipe the bottom end of the filter screen 904, sweep the powder particles adhered to the bottom end of the filter screen 904 down and discharge them, thereby realizing automatic filtering and cleaning.

[0033] In this embodiment, fixing bolts 911 are movably connected on both sides of the front of the sealing plate 902, and bolt holes 910 threadedly matched with the fixing bolts 911 are opened on both sides of the front of the filter box 8. The threaded match between the fixing bolts 911 and the bolt holes 910 is utilized to realize the disassembly and assembly between the sealing plate 902 and the filter box 8, so as to facilitate the disassembly and assembly of the filter screen 904 for thorough cleaning or maintenance.

[0034] In this embodiment, a slide groove 908 is opened at the upper end of the inner wall of the filter box 8, and a slider 909 that slides with the inside of the slide groove 908 is fixedly connected to one side of the connecting plate 903. The sliding of the slider 909 in the slide groove 908 makes the back and forth sliding of the connecting plate 903 smoother, which facilitates the cleaning brush 905 to wipe and clean the bottom end of the filter net 904 smoothly.

[0035] In this embodiment, the length of the cleaning brush 905 is equal to the width of the filter 904, and the cleaning brush 905 is fixedly connected to the top of the connecting plate 903 by bolts. The cleaning brush 905 of appropriate length and close fit can facilitate more thorough cleaning of the bottom of the filter 904.

[0036] In this embodiment, the cross-sectional area of ​​the sealing plate 902 is larger than the cross-sectional area of ​​the opening at the upper front end of the filter box 8. The cross-sectional shape of the sealing plate 902 is rectangular. By utilizing a sealing plate 902 with a larger area, the opening at the front of the filter box 8 can be completely sealed after installation, and a sealing ring can be provided on the back of the sealing plate 902 to further improve the sealing effect and avoid leakage of exhaust gas.

[0037] In this embodiment, guide plates 20 are fixedly connected to both ends of the inner wall of the filter box 8. The cross-section of the guide plate 20 is in the shape of a right triangle. By utilizing the right triangle guide plate 20, the powder particles filtered by the filter screen 904 and swept away can be more thoroughly discharged by the chip removal square tube 19.

[0038] Example 2

[0039] On the basis of Example 1, a preferred embodiment of the waste gas purification device for autoclaved brick production provided by the utility model is as follows Figures 1 to 6 As shown: the inner wall of the fixed box 5 is fixedly connected with a recovery pipe 15 at equal intervals, the upper end of the front side of the fixed box 5 is fixedly connected with a water outlet square pipe 10, the back side of the water outlet square pipe 10 is connected with one end of the recovery pipe 15, the front side of the water outlet square pipe 10 is fixedly connected with a water outlet pipe 11, the lower end of the front side of the fixed box 5 is fixedly connected with a water inlet square pipe 6, the back side of the water inlet square pipe 6 is connected with one end of the recovery pipe 15, and the front side of the water inlet square pipe 6 is fixedly connected with a water inlet pipe 7, the cold water is transported from the water inlet pipe 7 to the inside of the water inlet square pipe 6, and then diverted to the inside of the recovery pipe 15, and heat exchanged with the hot exhaust gas inside the fixed box 5, so as to avoid excessive heat in the exhaust gas and affect subsequent purification and discharge operations, and at the same time, the water after heat exchange can be used for daily use, so as to achieve the purpose of exhaust gas cooling and waste heat recovery.

[0040] In this embodiment, the cross-section of the recovery pipe 15 is serpentine, and the recovery pipes 15 are evenly spaced inside the fixed box 5. The serpentine recovery pipes 15 are used to reduce the flow rate of the water flow, extend the contact time and contact area with the hot exhaust gas inside the fixed box 5, and improve its heat exchange effect.

[0041] In this embodiment, a sewage discharge door 17 is fixedly connected to the lower end of one side of the fixed box 5 via a hinge. The openable sewage discharge door 17 facilitates the cleaning and removal of powder particles accumulated on the bottom wall of the fixed box 5 after the sewage discharge door 17 is opened.

[0042] In addition, the inner bottom wall of the spray tower 3 is fixedly connected with a guide plate 16, and the guide plate 16 is inclined at an angle of 20 degrees to the horizontal direction. By using the inclined guide plate 16, the sewage after spraying can be discharged from the drain pipe 4 faster and more completely.

[0043] The working principle and use process of the utility model are as follows: first, the spray pipe 2, the drain pipe 4, the water inlet pipe 7, the water outlet pipe 11 and the exhaust gas inlet pipe 18 are connected to the external pipeline, and then the external exhaust gas is transported to the inside of the filter box 8 through the exhaust gas inlet pipe 18. At this time, the powder particles in the exhaust gas are filtered through the filter screen 904, and the exhaust gas is transported from the bottom to the top, thereby reducing the adhesion and residue of the powder particles at the bottom of the filter screen 904, and the servo motor 901 can be started regularly to drive the threaded rod 907 to rotate, and the threaded rod 907 can be used to filter the powder particles in the exhaust gas. The threads of 907 and the threaded block 906 cooperate so that the threaded block 906 slides to drive the connecting plate 903 to slide, thereby driving the cleaning brush 905 to wipe and clean the bottom of the filter screen 904, sweeping the powder particles adhering to the bottom of the filter screen 904 down, and guided by the guide plate 20, so that it can be discharged after the valve on the chip discharge square pipe 19 is opened, thereby realizing automatic filtering and cleaning, avoiding the cumbersome and inconvenient traditional method of frequently disassembling and assembling the filter screen 904 for cleaning, and improving the purification efficiency of the exhaust gas;

[0044] The filtered exhaust gas is transported to the inside of the fixed box 5. At this time, the cold clean water is transported from the water inlet pipe 7 to the inside of the water inlet square pipe 6, and then diverted to the inside of the recovery pipe 15. The shape of the water flow is used to reduce the flow rate, prolong the contact time and contact area with the hot exhaust gas inside the fixed box 5, and thus effectively reduce the heat in the exhaust gas to avoid excessive heat affecting subsequent purification and discharge operations. At the same time, the water after heat exchange is concentratedly guided and discharged by the water outlet square pipe 10 and the water outlet pipe 11. This part of the hot water can be used for washing hands, bathing, washing clothes, or reheating for drinking, etc., to achieve the purpose of cooling the exhaust gas and recovering waste heat. After long-term use, a small amount of powder particles in the exhaust gas will accumulate on the bottom wall of the fixed box 5. At this time, the sewage discharge door 17 can be opened to facilitate the cleaning and removal of the powder particles accumulated on the bottom wall of the fixed box 5.

[0045] The filtered and cooled exhaust gas is then transported to the inside of the spray tower 3. At this time, the purified liquid, such as a desulfurized mixed liquid, is transported to the inside of the atomizing spray disc 13 through the spray pipe 2, and then sprayed out from the nozzle at the bottom of the atomizing spray disc 13 to fully contact and react with the exhaust gas inside the spray tower 3 to remove toxic substances in the exhaust gas. The purified air is discharged from the exhaust pipe 1, and the sewage after spraying drips downwards. At this time, it is guided by the inclined guide plate 16 so that it can be discharged from the drain pipe 4 faster and more thoroughly.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An exhaust gas purification device for autoclaved brick production, comprising a spray tower (3), characterized in that: The inner wall of the spray tower (3) is fixedly connected to an atomizing spray disc (13), the inner wall of the spray tower (3) below the atomizing spray disc (13) is fixedly connected to a filler (14), the front of the spray tower (3) is fixedly connected to an inspection door (12), the top of the spray tower (3) is fixedly connected to an exhaust pipe (1), one side of the spray tower (3) is fixedly connected to a spray pipe (2), and one side of the spray pipe (2) is connected to one side of the atomizing spray disc (13) through a conduit. The spray tower (3) is connected to the air filter, one side of the bottom end of the spray tower (3) is fixedly connected to a drainage pipe (4), the lower end of the other side of the spray tower (3) is fixedly connected to a fixed box (5) through a conduit, the upper end of one side of the fixed box (5) is fixedly connected to a filter box (8), a filter assembly (9) is arranged inside the filter box (8), the bottom end of the filter box (8) is fixedly connected to a chip removal square pipe (19), and one side of the filter box (8) is fixedly connected to an exhaust gas inlet pipe (18); The filter assembly (9) comprises a sealing plate (902), the sealing plate (902) being movably connected to the front of the filter box (8), the back of the sealing plate (902) being fixedly connected to a filter screen (904) extending into the interior of the filter box (8), a servo motor (901) being fixedly connected to the front side of the filter box (8) below the sealing plate (902), the output end of the servo motor (901) extending into the interior of the filter box (8) and being fixedly connected to a threaded rod (907) via a coupling, the surface of the threaded rod (907) being threadedly connected to a threaded block (906), one side of the threaded block (906) being fixedly connected to a connecting plate (903), and the top end of the connecting plate (903) being fixedly connected to a cleaning brush (905).

2. The exhaust gas purification device for autoclaved brick production according to claim 1 is characterized in that: The two sides of the front face of the sealing plate (902) are movably connected with fixing bolts (911), and the two sides of the front face of the filter box (8) are provided with bolt holes (910) threadedly matched with the fixing bolts (911).

3. The exhaust gas purification device for autoclaved brick production according to claim 1 is characterized in that: A slide groove (908) is provided at the upper end of the inner wall of the filter box (8), and a sliding block (909) which is slidably matched with the inside of the slide groove (908) is fixedly connected to one side of the connecting plate (903).

4. The exhaust gas purification device for autoclaved brick production according to claim 1 is characterized in that: The length of the cleaning brush (905) is equal to the width of the filter screen (904), and the cleaning brush (905) is fixedly connected to the top of the connecting plate (903) by means of bolts.

5. The exhaust gas purification device for autoclaved brick production according to claim 1 is characterized in that: The cross-sectional area of ​​the sealing plate (902) is larger than the cross-sectional area of ​​the opening at the upper front end of the filter box (8), and the cross-sectional shape of the sealing plate (902) is rectangular.

6. The exhaust gas purification device for autoclaved brick production according to claim 1 is characterized in that: Both ends of the inner wall of the filter box (8) are fixedly connected with material guide plates (20), and the cross-section of the material guide plates (20) is in the shape of a right triangle.

7. The exhaust gas purification device for autoclaved brick production according to claim 1 is characterized in that: The inner wall of the fixed box (5) is fixedly connected with recovery pipes (15) at equal intervals; the upper end of the front face of the fixed box (5) is fixedly connected with a water outlet square pipe (10); the back of the water outlet square pipe (10) is connected to one end of the recovery pipe (15); the front face of the water outlet square pipe (10) is fixedly connected with a water outlet pipe (11); the lower end of the front face of the fixed box (5) is fixedly connected with a water inlet square pipe (6); the back of the water inlet square pipe (6) is connected to one end of the recovery pipe (15); the front face of the water inlet square pipe (6) is fixedly connected with a water inlet pipe (7).

8. The exhaust gas purification device for autoclaved brick production according to claim 7, characterized in that: The cross-section of the recovery pipe (15) is in the shape of a snake, and the recovery pipes (15) are distributed at equal intervals inside the fixed box (5).

9. The exhaust gas purification device for autoclaved brick production according to claim 1, characterized in that: The lower end of one side of the fixed box (5) is fixedly connected to a sewage discharge door (17) via a hinge.

10. The exhaust gas purification device for autoclaved brick production according to claim 1, characterized in that: A guide plate (16) is fixedly connected to the inner bottom wall of the spray tower (3), and the guide plate (16) is inclined at an angle of twenty degrees to the horizontal direction.

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