Still kettle tail gas purification mechanism for aerated brick production

Abstract

The utility model relates to a still kettle tail gas purification mechanism for aerated brick production, which comprises a lower bottom plate and a still kettle fixedly mounted at the top of the lower bottom plate, the top of the lower bottom plate is provided with a cooling and dust falling structure positioned in front of the still kettle, and the right side of the cooling and dust falling structure is provided with a purification structure convenient to maintain. According to the still kettle tail gas purification mechanism for aerated brick production, tail gas exhausted from the lower bottom plate is subjected to cooling and dust falling treatment through the cooling and dust falling structure arranged in front of the lower bottom plate, and the treated tail gas enters the purification box, is filtered by two filtering layers and then can be exhausted to the outside; then the two electric push rods are unfolded, the mounting frame and the filter layer can exit from the outside, the two rotary locking plates are rotated outwards, the filter layer can be taken out for maintenance and replacement, finally, the two electric push rods are retracted, and the filter layer can be pulled into the purification box to execute a filtering task, so that the effect of facilitating later maintenance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerated brick production, in particular to an autoclave tail gas purification mechanism used for aerated brick production. Background Art

[0002] Autoclave, also known as steam curing kettle and pressure steam kettle, is a special equipment. Autoclave is a kind of pressure vessel with strong airtightness, large volume and heavy weight. It usually consists of kettle body, kettle cover, heating system, pressure control system, temperature control system, safety valve and pressure gauge, etc. Autoclave is used in the production of aerated bricks.

[0003] Chinese patent publication number CN213382158U proposes "an aerated concrete block autoclave". The technical solution addresses the problem that "existing autoclaves cannot purify the exhaust gas generated during the production process, and are generally discharged directly from the production workshop through pipes, which not only pollutes the environment but also causes harm to the health of the workers". The utility model provides the following technical solution: "By setting up a purification component, it is convenient to purify the exhaust gas generated by the autoclave during the production process, protecting the environment while avoiding harm to the workers."

[0004] The above scheme has the following defects: the purification component of the above device is fixedly installed inside the discharge box, which is inconvenient to take and put, causing trouble for the subsequent maintenance of the purification component. Therefore, an autoclave tail gas purification mechanism for aerated brick production is proposed to solve the above problem. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides an autoclave tail gas purification mechanism for aerated brick production, which has the advantage of being easy to maintain.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an autoclave tail gas purification mechanism for aerated brick production, comprising a lower base plate and an autoclave fixedly mounted on the top of the lower base plate, the top of the lower base plate being provided with a cooling and dust reduction structure located in front of the autoclave, and a purification structure convenient for maintenance being provided on the right side of the cooling and dust reduction structure.

[0007] The cooling and dust reduction structure includes a spray tank fixedly installed on the top of the lower base plate, an air outlet pipe is fixedly installed on the back of the spray tank, a fan is fixedly installed on the top of the lower base plate, an atomizing nozzle is fixedly installed inside the spray tank, and a connecting air pipe is fixedly installed on the top of the spray tank.

[0008] The purification structure includes a purification box fixedly installed on the top of the lower base plate, two sliding guide rails are fixedly installed on the front and rear walls of the inner cavity of the purification box, and mounting frames are slidably installed inside the front and rear sliding guide rails, two rotating locking pieces are rotatably installed on the top of the two mounting frames, and filter layers located at the bottom of the rotating locking pieces are movably installed inside the two mounting frames, side sealing plates are fixedly installed on the right sides of the two mounting frames, electric push rods are fixedly installed on the front and rear sides of the purification box, a rectangular air outlet is fixedly installed on the top of the purification box, and an exhaust fan is fixedly installed inside the rectangular air outlet.

[0009] Furthermore, the spray tank is located in front of the autoclave, the air outlet pipe penetrates into the interior of the spray tank, and the top of the air outlet pipe is fixedly connected to the exhaust end of the fan.

[0010] Furthermore, the air suction end of the fan is fixedly connected to the exhaust pipe at the top of the autoclave, the atomizing nozzle is located at the top of the air outlet pipe, and the connecting air pipe is through-connected to the spray tank.

[0011] Furthermore, the connecting air pipe penetrates into the interior of the purification box, a sealing strip is fixedly installed on the right side wall of the purification box, the right side of the purification box is an open structure, and the outside of the installation frame is a square frame.

[0012] Furthermore, the four rotating locking pieces are respectively located on the left and right sides of the two installation frames, and the two filter layers are both located on the top of the connecting air pipe.

[0013] Furthermore, the two filter layers are respectively an activated carbon layer and a HEPA filter layer from bottom to top, and the side area of ​​the side sealing plate is the same as the side area of ​​the purification box.

[0014] Furthermore, two rollers located on the top of the lower base plate are fixedly installed at the bottom of the side sealing plate, the right telescopic ends of the two electric push rods are fixedly connected to the left side of the side sealing plate, and the rectangular air outlet is through-connected to the purification box.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The autoclave tail gas purification mechanism for aerated brick production cools down and dusts the tail gas discharged from the lower bottom plate through a cooling and dust reduction structure arranged in front of the lower bottom plate. The treated tail gas enters the interior of the purification box and is filtered through two filter layers before being discharged to the outside. Subsequently, two electric push rods are unfolded to withdraw the installation frame and the filter layer from the outside. The filter layer can be taken out for maintenance and replacement by rotating two rotating lock pieces outward. Finally, the two electric push rods are retracted to pull the filter layer into the purification box to perform the filtering task, thereby achieving the effect of facilitating later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a left side view of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the spray tank of the utility model;

[0020] Figure 4 This is a schematic diagram of the connection structure between the sliding guide rail and the mounting frame of the utility model;

[0021] Figure 5 It is a schematic diagram of the installation frame of the utility model.

[0022] In the figure: 1. lower base plate; 2. autoclave; 3. spray tank; 4. air outlet pipe; 5. fan; 6. atomizing nozzle; 7. connecting air pipe; 8. purification box; 9. sliding guide rail; 10. installation frame; 11. rotating lock piece; 12. filter layer; 13. side sealing plate; 14. electric push rod; 15. rectangular air outlet tube; 16. exhaust fan. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in 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 in 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.

[0024] See also Figure 1-5 In this embodiment, an autoclave tail gas purification mechanism for aerated brick production includes a lower base plate 1 and an autoclave 2 fixedly mounted on the top of the lower base plate 1. A cooling and dust reduction structure located in front of the autoclave 2 is provided on the top of the lower base plate 1, and a purification structure convenient for maintenance is provided on the right side of the cooling and dust reduction structure.

[0025] The cooling and dust reduction structure includes a spray tank 3 fixedly installed on the top of the lower base plate 1, the spray tank 3 is located in front of the autoclave 2, an air outlet pipe 4 is fixedly installed on the back of the spray tank 3, and the air outlet pipe 4 runs through the interior of the spray tank 3, a fan 5 is fixedly installed on the top of the lower base plate 1, the top of the air outlet pipe 4 is fixedly connected to the exhaust end of the fan 5, and the exhaust end of the fan 5 is fixedly connected to the exhaust pipe at the top of the autoclave 2. The fan 5 operates to extract the exhaust gas discharged from the autoclave 2, and then discharges it into the interior of the spray tank 3 through the air outlet pipe 4. An atomizing nozzle 6 is fixedly installed inside the spray tank 3, and the atomizing nozzle 6 is located on the top of the air outlet pipe 4. The atomizing nozzle 6 is connected to an external water source for spraying water, and then the atomized water is sprayed on the exhaust gas to cool it and reduce dust, and a connecting air pipe 7 is fixedly installed on the top of the spray tank 3, and the connecting air pipe 7 is through-connected with the spray tank 3.

[0026] The purification structure includes a purification box 8 fixedly installed on the top of the lower base plate 1, and a connecting air pipe 7 runs through the interior of the purification box 8. The exhaust gas after cooling and dust reduction is discharged into the interior of the purification box 8 through the connecting air pipe 7. A sealing strip is fixedly installed on the right side wall of the purification box 8. The right side of the purification box 8 is an open structure. Two sliding guide rails 9 are fixedly installed on the front and rear walls of the inner cavity of the purification box 8. The interior of the front and rear sliding guide rails 9 is slidably installed with an installation frame 10. The two installation frames 10 are restricted by four sliding guide rails 9 to slide left and right inside the purification box 8.

[0027] The outside of the mounting frame 10 is in the shape of a square frame. Two rotating locking pieces 11 are rotatably installed on the top of the two mounting frames 10. The four rotating locking pieces 11 are respectively located on the left and right sides of the two mounting frames 10. The inside of the two mounting frames 10 is movably installed with a filter layer 12 located at the bottom of the rotating locking piece 11. The two filter layers 12 are respectively restricted in the inside of the two mounting frames 10 by the four rotating locking pieces 11. The two filter layers 12 are both located on the top of the connecting air pipe 7. The two filter layers 12 are respectively an activated carbon layer and a HEPA filter layer from bottom to top. The exhaust gas introduced into the purification box 8 from the connecting air pipe 7 is filtered through the two filter layers 12.

[0028] A side sealing plate 13 is fixedly installed on the right side of the two installation frames 10, and the side area of ​​the side sealing plate 13 is the same as the side area of ​​the purification box 8. Two rollers located on the top of the lower bottom plate 1 are fixedly installed at the bottom of the side sealing plate 13, and the side sealing plate 13 is supported by the two rollers to move left and right on the lower bottom plate 1. Electric push rods 14 are fixedly installed on the front and back sides of the purification box 8. The right telescopic ends of the two electric push rods 14 are fixedly connected to the left side of the side sealing plate 13. The two electric push rods 14 can be unfolded to push the side sealing plate 13 and the two installation frames 10 on the left side thereof to the right. When the two installation frames After 10 is withdrawn from the purification box 8, the filter layer 12 can be replaced. The two electric push rods 14 can be retracted to pull the two installation frames 10 on the left side of the side sealing plate 13 into the purification box 8. At this time, the sealing strip installed on the right side of the purification box 8 contacts the side sealing plate 13 to play a sealing role. A rectangular air outlet 15 is fixedly installed on the top of the purification box 8. The rectangular air outlet 15 is through-connected with the purification box 8. An exhaust fan 16 is fixedly installed inside the rectangular air outlet 15. The exhaust fan 16 is operated to draw the gas inside the purification box 8 to the outside, thereby accelerating the filtration of the exhaust gas.

[0029] The working principle of the above embodiment is:

[0030] When in use, the fan 5 operates to extract the exhaust gas discharged from the autoclave 2 and discharge it into the spray tank 3. At this time, the atomizing nozzle 6 is connected to the external water source to spray water to cool and reduce the dust of the exhaust gas entering the spray tank 3. At this time, the exhaust fan 16 operates to extract the air inside the purification box 8, and then introduces the treated exhaust gas inside the spray tank 3 into the purification box 8 through the connecting air pipe 7. The exhaust gas entering the purification box 8 is filtered by the two filter layers 12 and then discharged to the outside. When it is necessary to maintain the filter layer 12, the two electric push rods 14 are controlled to expand , and then push the side sealing plate 13 and the two installation frames 10 on its left side to the right. When the two installation frames 10 are withdrawn from the interior of the purification box 8, the rotating locking piece 11 can be rotated to release the restriction on the filter layer 12. At this time, the filter layer 12 can be replaced. After the new filter layer 12 is placed inside the installation frame 10, the two rotating locking pieces 11 are rotated to the top of the filter layer 12 to restrict it. Finally, the two electric push rods 14 are retracted to pull the filter layers 12 inside the two installation frames 10 into the interior of the purification box 8 to perform the filtering task.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An autoclave tail gas purification mechanism for aerated brick production, comprising a lower base plate (1) and an autoclave (2) fixedly mounted on the top of the lower base plate (1), characterized in that: The top of the lower base plate (1) is provided with a cooling and dust reduction structure located in front of the autoclave (2), and a purification structure convenient for maintenance is provided on the right side of the cooling and dust reduction structure; The cooling and dust reduction structure comprises a spray tank (3) fixedly mounted on the top of the lower base plate (1), an air outlet pipe (4) fixedly mounted on the back of the spray tank (3), a fan (5) fixedly mounted on the top of the lower base plate (1), an atomizing nozzle (6) fixedly mounted inside the spray tank (3), and a connecting air pipe (7) fixedly mounted on the top of the spray tank (3); The purification structure comprises a purification box (8) fixedly mounted on the top of the lower base plate (1), two sliding guide rails (9) being fixedly mounted on the front and rear walls of the inner cavity of the purification box (8), a mounting frame (10) being slidably mounted inside the front and rear sliding guide rails (9), two rotating lock plates (11) being rotatably mounted on the top of the two mounting frames (10), a filter layer (12) located at the bottom of the rotating lock plates (11) being movably mounted inside the two mounting frames (10), a side sealing plate (13) being fixedly mounted on the right side of the two mounting frames (10), electric push rods (14) being fixedly mounted on the front and rear sides of the purification box (8), a rectangular air outlet tube (15) being fixedly mounted on the top of the purification box (8), and an exhaust fan (16) being fixedly mounted inside the rectangular air outlet tube (15).

2. The autoclave tail gas purification mechanism for aerated brick production according to claim 1, characterized in that: The spray tank (3) is located in front of the autoclave (2), the air outlet pipe (4) penetrates into the interior of the spray tank (3), and the top of the air outlet pipe (4) is fixedly connected to the exhaust end of the fan (5).

3. The autoclave tail gas purification mechanism for aerated brick production according to claim 1, characterized in that: The exhaust end of the fan (5) is fixedly connected to the exhaust pipe at the top of the autoclave (2), the atomizing nozzle (6) is located at the top of the exhaust pipe (4), and the connecting air pipe (7) is through-connected to the spray tank (3).

4. The autoclave tail gas purification mechanism for aerated brick production according to claim 1, characterized in that: The connecting air pipe (7) penetrates into the interior of the purification box (8), a sealing strip is fixedly installed on the right side wall of the purification box (8), the right side of the purification box (8) is an open structure, and the outside of the installation frame (10) is in the shape of a square frame.

5. The autoclave tail gas purification mechanism for aerated brick production according to claim 1, characterized in that: The four rotating lock pieces (11) are respectively located on the left and right sides of the two installation frames (10), and the two filter layers (12) are both located on the top of the connecting air pipe (7).

6. The autoclave tail gas purification mechanism for aerated brick production according to claim 1, characterized in that: The two filter layers (12) are respectively an activated carbon layer and a HEPA filter layer from bottom to top, and the side area of ​​the side sealing plate (13) is the same as the side area of ​​the purification box (8).

7. The autoclave tail gas purification mechanism for aerated brick production according to claim 1, characterized in that: Two rollers located at the top of the lower base plate (1) are fixedly mounted at the bottom of the side sealing plate (13); the right telescopic ends of the two electric push rods (14) are fixedly connected to the left side of the side sealing plate (13); and the rectangular air outlet tube (15) is through-connected to the purification box (8).

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