Asphalt processing tail gas treatment equipment

Abstract

The utility model relates to the technical field of asphalt production, and discloses asphalt processing tail gas treatment equipment which comprises an outer cylinder, a gas inlet is fixedly connected to the right side of the lower end of the outer cylinder, a flow equalizing plate is fixedly connected to the lower end of the inner wall of the outer cylinder, and a first fixing pipe is fixedly connected to the position, corresponding to the upper portion of the flow equalizing plate, of the right side of the lower end of the outer cylinder. A driving assembly is arranged in the first fixing pipe, a second fixing pipe is fixedly connected to the left end of the first fixing pipe, a first fixing block is fixedly connected to the interior of the second fixing pipe, and a stirring rod is rotationally connected to the middle of the first fixing block. According to the tail gas treatment device, the rotating rod drives the rotating rod to rotate, so that the second bevel gear is driven to be matched with the first bevel gear to drive the stirring rod to rotate, the stirring plate is driven to rotate to stir tail gas, the tail gas is promoted to flow and make contact with liquid, the dehumidification plate can filter treated gas, and it is avoided that gas carried in the tail gas is exhausted, and air is polluted.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt production, in particular to asphalt processing tail gas treatment equipment. Background Art

[0002] In the asphalt production process, the asphalt raw materials need to be heated, which will produce a large amount of waste flue gas, which contains a variety of organic matter, including carbocyclic hydrocarbons, cyclic hydrocarbon derivatives and other compounds. Many components are harmful to human health. If they are directly discharged into the atmosphere, they will cause serious air pollution. The current asphalt production line tail gas treatment equipment mainly uses tail gas treatment alkali washing tower, that is, the tail gas is treated by alkali solution absorption and activated carbon filtration.

[0003] After searching, an asphalt production line tail gas treatment equipment with announcement number CN211537214U includes a cleaning tower, an exhaust pipe is arranged at the upper end of the cleaning tower, a liquid discharge pipe is arranged at the lower end of the cleaning tower, and an activated carbon layer, a demister and a Raschig ring packing layer are fixedly arranged in sequence from top to bottom in the cleaning tower; a nozzle is arranged between the demister and the Raschig ring packing layer, and the nozzle is connected to the liquid inlet pipe, and an "L"-shaped elbow is also arranged inside the cleaning tower, and the elbow is arranged below the Raschig ring packing layer, one end of the elbow is arranged vertically downward, and the other end of the elbow is arranged horizontally and connected to the air inlet pipe. In short, the utility model can make the alkali solution and the asphalt tail gas fully mixed, thereby improving the treatment effect of the asphalt tail gas;

[0004] Based on the above patent, the alkali solution and asphalt mentioned in the background technology are not mixed sufficiently, resulting in unsatisfactory absorption effect and difficulty in ensuring the quality of exhaust gas treatment. In this regard, in order to address this technical problem, this application proposes an asphalt processing exhaust gas treatment equipment. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an asphalt processing tail gas treatment device, which can stir the tail gas, thereby promoting the contact between gas and liquid for treatment.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An asphalt processing exhaust gas treatment device comprises an outer cylinder, an air inlet is fixedly connected to the right side of the lower end of the outer cylinder, a flow equalizing plate is fixedly connected to the lower end of the inner wall of the outer cylinder, a first fixed pipe is fixedly connected to the right side of the lower end of the outer cylinder corresponding to the upper side of the flow equalizing plate, a driving assembly is arranged inside the first fixed pipe, a second fixed pipe is fixedly connected to the left end of the first fixed pipe, a first fixed block is fixedly connected to the inside of the second fixed pipe, a stirring rod is rotatably connected to the middle part of the first fixed block, a first bevel gear is fixedly connected to the bottom of the stirring rod, a baffle is fixedly connected to the lower end of the stirring rod corresponding to the upper side of the second fixed pipe, and stirring plates are fixedly connected to the left and right sides of the middle part of the baffle.

[0008] Furthermore, a plurality of dehumidification plates are fixedly connected to the top of the inner wall of the outer cylinder, a first fixing ring is provided in the middle of the lower side of the dehumidification plate, and scrapers are fixedly connected to both the left and right sides of the first fixing ring.

[0009] Furthermore, the inner wall of the first fixing ring is fixedly connected to the outer wall of the upper end of the stirring rod, and the upper side of the scraper is tightly matched with the lower side of the dehumidification plate.

[0010] Furthermore, a liquid inlet pipe is fixedly connected to the right side of the upper end of the outer cylinder, an annular pipe is fixedly connected to the left end of the liquid inlet pipe, and a nozzle is fixedly connected to the lower side of the annular pipe.

[0011] Furthermore, the driving assembly includes a support plate fixedly connected to the left side of the outer cylinder, a motor is fixedly connected to the upper side of the support plate, a rotating rod is fixedly connected to the output end of the motor, the outer wall of the rotating rod is rotatably connected to a second fixed block, the outer wall of the second fixed block is fixedly connected to the middle part of the inner wall of the first fixed tube, a second bevel gear is fixedly connected to the top of the left end of the rotating rod, and the outer side of the second bevel gear is meshingly connected to the outer side of the first bevel gear.

[0012] Furthermore, an air outlet pipe is fixedly connected to the top of the outer cylinder.

[0013] Furthermore, a drain pipe is fixedly connected to the bottom of the outer cylinder, and a valve is fixedly connected to the middle of the drain pipe.

[0014] Furthermore, a second fixing ring is fixedly connected to the outer bottom of the outer cylinder, and a plurality of supporting legs are fixedly connected to the lower side of the second fixing ring.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the rotating rod is driven to rotate by the rotating rod, thereby driving the second bevel gear and the first bevel gear to cooperate to drive the stirring rod to rotate, thereby driving the stirring plate to rotate, stirring the exhaust gas, thereby promoting the flow of the exhaust gas and contact with the liquid, thereby promoting the contact between the exhaust gas and the liquid, thereby promoting the treatment of the exhaust gas.

[0017] 2. In the utility model, the dehumidification plate can filter the treated gas to prevent the exhaust gas from being carried out and polluting the air. The stirring rod drives the first fixed ring and the scraper to rotate, thereby scraping the liquid on the lower side of the dehumidification plate to prevent the liquid from clogging the dehumidification plate and causing the gas to be unable to be discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an overall schematic diagram of an asphalt processing tail gas treatment device proposed by the utility model;

[0019] Figure 2 This is a cross-sectional schematic diagram of an asphalt processing tail gas treatment device proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of a baffle of an asphalt processing tail gas treatment device proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of a dehumidification plate of an asphalt processing tail gas treatment device proposed by the utility model.

[0022] Legend:

[0023] 1. Outer tube; 2. Air inlet; 3. Flow equalizing plate; 4. First fixed tube; 5. Second fixed tube; 6. First fixed block; 7. Stirring rod; 8. First bevel gear; 9. Baffle; 10. First fixed ring; 11. Scraper; 12. Dehumidification plate; 13. Stirring plate; 14. Liquid inlet pipe; 15. Ring pipe; 16. Nozzle; 17. Support plate; 18. Motor; 19. Rotating rod; 20. Second fixed block; 21. Second bevel gear; 22. Air outlet pipe; 23. Drain pipe; 24. Valve; 25. Second fixed ring; 26. Support leg. DETAILED DESCRIPTION

[0024] 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.

[0025] Reference Figure 1-Figure 3The utility model provides an embodiment: an asphalt processing tail gas treatment device, comprising an outer cylinder 1, an air inlet 2 is fixedly connected to the right side of the lower end of the outer cylinder 1, a flow equalizing plate 3 is fixedly connected to the lower end of the inner wall of the outer cylinder 1, a first fixed pipe 4 is fixedly connected to the right side of the lower end of the outer cylinder 1 corresponding to the upper side of the flow equalizing plate 3, a second fixed pipe 5 is fixedly connected to the left end of the first fixed pipe 4, a first fixed block 6 is fixedly connected to the inside of the second fixed pipe 5, a stirring rod 7 is rotatably connected to the middle part of the first fixed block 6, a first bevel gear 8 is fixedly connected to the bottom of the stirring rod 7, a baffle 9 is fixedly connected to the lower end of the stirring rod 7 corresponding to the upper side of the second fixed pipe 5, and stirring plates 13 are fixedly connected to the left and right sides of the middle part of the baffle 9;

[0026] The set air inlet 2 injects exhaust gas into the outer tube 1, and the set flow equalizing plate 3 can make the exhaust gas move upward evenly and contact with the liquid, so that the harmful substances in the exhaust gas are absorbed by the liquid. The set first bevel gear 8 and stirring rod 7 can drive the stirring plate 13 to rotate, thereby stirring the exhaust gas, promoting the contact between the exhaust gas and the liquid, and absorbing the harmful substances in the exhaust gas.

[0027] Reference Figure 1-Figure 3 A plurality of dehumidification plates 12 are fixedly connected to the top of the inner wall of the outer cylinder 1, a first fixed ring 10 is provided in the middle of the lower side of the dehumidification plate 12, scrapers 11 are fixedly connected to the left and right sides of the first fixed ring 10, the inner wall of the first fixed ring 10 is fixedly connected to the outer wall of the upper end of the stirring rod 7, the upper side of the scraper 11 is tightly matched with the lower side of the dehumidification plate 12, a liquid inlet pipe 14 is fixedly connected to the right side of the upper end of the outer cylinder 1, a ring pipe 15 is fixedly connected to the left end of the liquid inlet pipe 14, a nozzle 16 is fixedly connected to the lower side of the ring pipe 15, a second fixed ring 25 is fixedly connected to the outer bottom of the outer cylinder 1, a plurality of supporting legs 26 are fixedly connected to the lower side of the second fixed ring 25, an air outlet pipe 22 is fixedly connected to the top of the outer cylinder 1, a drain pipe 23 is fixedly connected to the bottom of the outer cylinder 1, and a valve 24 is fixedly connected to the middle part of the drain pipe 23;

[0028] The dehumidification plate 12 is provided to absorb the liquid in the exhaust gas to prevent gas discharge and liquid from polluting the environment. The stirring rod 7 is provided to drive the first fixed ring 10 and the scraper 11 to rotate, so as to scrape off the moisture on the lower side of the dehumidification plate 12 to avoid blockage. The liquid can be injected into the annular tube 15 through the liquid inlet pipe 14 and sprayed out from the nozzle 16 to contact the exhaust gas.

[0029] Reference Figure 3-Figure 4A support plate 17 is fixedly connected to the middle part of the left side of the outer cylinder 1, a motor 18 is fixedly connected to the upper side of the support plate 17, a rotating rod 19 is fixedly connected to the output end of the motor 18, a second fixed block 20 is rotatably connected to the outer wall of the rotating rod 19, an outer wall of the second fixed block 20 is fixedly connected to the middle part of the inner wall of the first fixed tube 4, a second bevel gear 21 is fixedly connected to the top of the left end of the rotating rod 19, and the outer side of the second bevel gear 21 is meshedly connected to the outer side of the first bevel gear 8;

[0030] The motor 18 can drive the rotating rod 19 to rotate, and the rotating rotating rod 19 can drive the second bevel gear 21 to rotate. The second bevel gear 21 cooperates with the first bevel gear 8 to drive the stirring rod 7 to rotate.

[0031] Working principle: exhaust gas can be injected into the outer tube 1 through the set air inlet 2, and the exhaust gas can be made to move upward evenly through the set flow equalizing plate 3. Liquid is injected into the annular tube 15 through the set liquid inlet pipe 14, so that it is sprayed out from the nozzle 16 and contacts with the exhaust gas. The set motor 18 is started to drive the rotating rod 19 to rotate, thereby driving the second bevel gear 21 to rotate. The rotating second bevel gear 21 cooperates with the first bevel gear 8 to drive the stirring rod 7 and the stirring plate 13 to rotate, thereby stirring the exhaust gas to contact with the liquid. The treated exhaust gas moves upward, passes through the dehumidification plate 12, and is discharged from the exhaust pipe 22. The dehumidification plate 12 can filter the gas and absorb the liquid in the exhaust gas. The rotating stirring rod 7 drives the first fixed ring 10 and the scraper 11 to rotate, which can scrape the water on the lower side of the dehumidification plate 12, and the liquid absorbed by the exhaust gas can be discharged from the drain pipe 23.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 asphalt processing tail gas treatment device, comprising an outer cylinder (1), characterized in that: An air inlet (2) is fixedly connected to the right side of the lower end of the outer cylinder (1), a flow equalizing plate (3) is fixedly connected to the lower end of the inner wall of the outer cylinder (1), a first fixed tube (4) is fixedly connected to the right side of the lower end of the outer cylinder (1) corresponding to the upper side of the flow equalizing plate (3), a driving assembly is arranged inside the first fixed tube (4), a second fixed tube (5) is fixedly connected to the left end of the first fixed tube (4), a first fixed block (6) is fixedly connected to the inside of the second fixed tube (5), a stirring rod (7) is rotatably connected to the middle part of the first fixed block (6), a first bevel gear (8) is fixedly connected to the bottom of the stirring rod (7), a baffle (9) is fixedly connected to the lower end of the stirring rod (7) corresponding to the upper side of the second fixed tube (5), and stirring plates (13) are fixedly connected to the left and right sides of the middle part of the baffle (9).

2. The asphalt processing tail gas treatment equipment according to claim 1, characterized in that: A plurality of dehumidification plates (12) are fixedly connected to the top of the inner wall of the outer cylinder (1), a first fixing ring (10) is provided in the middle of the lower side of the dehumidification plate (12), and scrapers (11) are fixedly connected to the left and right sides of the first fixing ring (10).

3. The asphalt processing tail gas treatment equipment according to claim 2, characterized in that: The inner wall of the first fixing ring (10) is fixedly connected to the outer wall of the upper end of the stirring rod (7), and the upper side of the scraper (11) is tightly matched with the lower side of the dehumidification plate (12).

4. The asphalt processing tail gas treatment equipment according to claim 1, characterized in that: The upper right side of the outer cylinder (1) is fixedly connected to a liquid inlet pipe (14), the left end of the liquid inlet pipe (14) is fixedly connected to an annular pipe (15), and the lower side of the annular pipe (15) is fixedly connected to a spray head (16).

5. The asphalt processing tail gas treatment equipment according to claim 1, characterized in that: The driving assembly comprises a support plate (17) fixedly connected to the left side of the outer cylinder (1); a motor (18) is fixedly connected to the upper side of the support plate (17); a rotating rod (19) is fixedly connected to the output end of the motor (18); a second fixed block (20) is rotatably connected to the outer wall of the rotating rod (19); the outer wall of the second fixed block (20) is fixedly connected to the middle part of the inner wall of the first fixed tube (4); a second bevel gear (21) is fixedly connected to the top of the left end of the rotating rod (19); and the outer side of the second bevel gear (21) is meshingly connected to the outer side of the first bevel gear (8).

6. The asphalt processing tail gas treatment equipment according to claim 1, characterized in that: An air outlet pipe (22) is fixedly connected to the top of the outer cylinder (1).

7. The asphalt processing tail gas treatment equipment according to claim 1, characterized in that: A drainage pipe (23) is fixedly connected to the bottom of the outer cylinder (1), and a valve (24) is fixedly connected to the middle of the drainage pipe (23).

8. The asphalt processing tail gas treatment equipment according to claim 1, characterized in that: A second fixing ring (25) is fixedly connected to the outer bottom of the outer cylinder (1), and a plurality of supporting legs (26) are fixedly connected to the lower side of the second fixing ring (25).

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