Activated carbon waste gas filtering tower

Abstract

The utility model relates to the technical field of filter towers, and discloses an activated carbon waste gas filter tower, which solves the problems that the existing activated carbon waste gas filter tower is inconvenient to desorb and replace activated carbon, and comprises a first filter tower and a second filter tower, gas inlet branch pipes are arranged at the bottom ends of the first filtering tower and the second filtering tower, waste liquid discharge pipes are arranged on the side edges of the gas inlet branch pipes, waste gas inlet pipes are arranged at the bottom ends of the gas inlet branch pipes, three-way exhaust pipes are arranged at the top ends of the first filtering tower and the second filtering tower, and a steam generator is arranged on one side of the second filtering tower; the steam generator is respectively connected with the first filtering tower and the second filtering tower through a steam desorption pipe, a dryer is fixedly arranged at the top end of the steam generator, and the dryer is connected with the steam desorption pipe through a drying pipe; according to the filter tower, the activated carbon can be conveniently desorbed and replaced, and continuous filtration of waste gas can be realized without shutdown treatment.

Description

Technical Field

[0001] The utility model belongs to the technical field of filter towers, in particular to an activated carbon waste gas filter tower. Background Art

[0002] Waste gas purification mainly refers to the work of treating industrial waste gases such as dust particles, flue gas, odorous gases, and toxic and harmful gases generated in industrial sites.

[0003] An activated carbon exhaust gas filter tower is one of the ways to treat exhaust gas. The authorization announcement number CN207769474U discloses an activated carbon filtering exhaust gas purification washing tower, which can conveniently filter the purified exhaust gas again through the first filter bed and the second filter bed, and filter the exhaust gas again through the activated carbon, and the purified gas can be discharged through the exhaust pipe; however, the washing tower is not convenient for desorption or replacement of the activated carbon. When the activated carbon has been working for a long time and has a large amount of impurities adsorbed inside, it will affect the filtering effect. Therefore, the present application has improved it and proposed an activated carbon exhaust gas filter tower. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an activated carbon exhaust gas filter tower, which effectively solves the problem that the existing activated carbon exhaust gas filter tower is not convenient for desorbing the activated carbon and replacing the activated carbon.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an activated carbon waste gas filter tower, comprising a first filter tower and a second filter tower, wherein the bottom ends of the first filter tower and the second filter tower are fixedly provided with an air intake branch pipe, the side of the air intake branch pipe is provided with a waste liquid discharge pipe, the bottom end of the air intake branch pipe is provided with an exhaust gas intake pipe, the tops of the first filter tower and the second filter tower are fixedly provided with a three-way exhaust pipe, a steam generator is provided on one side of the second filter tower, the steam generator is respectively connected to the first filter tower and the second filter tower through a steam desorption pipe, a dryer is fixedly provided on the top of the steam generator, the dryer is connected to the steam desorption pipe through a drying pipe, and valves are provided on the air intake branch pipe, the waste liquid discharge pipe, the three-way exhaust pipe, the steam desorption pipe and the drying pipe.

[0006] Preferably, the first filter tower and the second filter tower are both composed of a tower body, a filter assembly and a cover plate, the side of the tower body is provided with a slot matching the cover plate, the filter assembly is connected to the inside of the tower body, and the cover plate is connected to the tower body by a plurality of bolts.

[0007] Preferably, a supporting inner ring matching the filter assembly is fixedly provided at the bottom end of the tower body, a mesh plate is fixedly provided inside the supporting inner ring, and a lap plate matching the cover plate is fixedly provided on the side of the notch.

[0008] Preferably, the filter assembly consists of a frame-type support base, a sleeve and an activated carbon placement frame, the sleeve is fixedly connected to the top of the frame-type support base, the activated carbon placement frame is placed inside the sleeve and located at the top of the frame-type support base, and the activated carbon is placed inside the activated carbon placement frame.

[0009] Preferably, a sealing ring is provided on the outer surface of the frame-shaped support base, and a plurality of through holes are opened on the frame-shaped support base.

[0010] Preferably, the activated carbon placement rack is composed of a plurality of retaining rings, a plurality of connecting arms and a plurality of supporting grid plates, the retaining rings are fixedly connected via the connecting arms, and the supporting grid plates are fixedly connected to the bottom end inside the retaining rings.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) During operation, by providing the first filter tower and the second filter tower, alternating operation can be achieved, and the activated carbon can be desorbed or replaced without stopping the machine, thereby achieving continuous filtration of the exhaust gas;

[0013] (2) By providing a steam generator, a dryer, a steam desorption tube, a drying tube and a waste liquid discharge tube, the activated carbon inside the first filter tower and the second filter tower can be desorbed alternately, thereby improving the cleanliness of the activated carbon and avoiding the influence of impurities inside the activated carbon on the filtering effect;

[0014] (3) By setting up a first filter tower and a second filter tower consisting of a tower body, a filter assembly and a cover plate, the filter assembly can be disassembled, so that the activated carbon can be replaced regularly. By setting up a filter assembly consisting of a frame-type support base, a sheath and an activated carbon placement frame, the activated carbon can be arranged in layers to avoid affecting the circulation of exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the activated carbon waste gas filter tower of the utility model;

[0018] Figure 2 This is a schematic diagram of the disassembled structure of the second filter tower of the utility model;

[0019] Figure 3 For this utility model Figure 2 A partial enlarged view of

[0020] Figure 4 This is a schematic diagram of the internal structure of the filter assembly of the utility model;

[0021] In the figure: 1. first filter tower; 2. second filter tower; 3. air inlet branch pipe; 4. waste liquid discharge pipe; 5. waste gas inlet pipe; 6. three-way exhaust pipe; 7. steam generator; 8. steam desorption pipe; 9. dryer; 10. drying pipe; 11. tower body; 12. filter assembly; 13. cover plate; 14. notch; 15. bolt; 16. support inner ring; 17. mesh plate; 18. lap plate; 19. frame support base; 20. sheath; 21. activated carbon placement rack; 22. sealing ring; 23. through hole; 24. retaining ring; 25. connecting arm; 26. support grid plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Depend on Figure 1 The utility model provides an activated carbon waste gas filter tower, comprising a first filter tower 1 and a second filter tower 2, wherein an air intake branch pipe 3 is fixedly arranged at the bottom end of the first filter tower 1 and the second filter tower 2, a waste liquid discharge pipe 4 is arranged on the side of the air intake branch pipe 3, and an exhaust gas intake pipe 5 is arranged at the bottom end of the air intake branch pipe 3, a three-way exhaust pipe 6 is fixedly arranged at the top end of the first filter tower 1 and the second filter tower 2, a steam generator 7 is arranged at one side of the second filter tower 2, the steam generator 7 is connected to the first filter tower 1 and the second filter tower 2 respectively through a steam desorption pipe 8, a dryer 9 is fixedly arranged at the top end of the steam generator 7, the dryer 9 is connected to the steam desorption pipe 8 through a drying pipe 10, and valves are arranged on the air intake branch pipe 3, the waste liquid discharge pipe 4, the three-way exhaust pipe 6, the steam desorption pipe 8 and the drying pipe 10;

[0024] When in use, the first filter tower 1 and the second filter tower 2 are used to alternately filter the exhaust gas. When the first filter tower 1 or the second filter tower 2 needs to be desorbed, the steam generator 7 is first started, and the generated steam enters the first filter tower 1 or the second filter tower 2 through the steam desorption pipe 8, thereby realizing the desorption work. The waste liquid generated by the desorption is discharged through the waste liquid discharge pipe 4. After the desorption is completed, the dryer 9 is started, and the hot air enters the first filter tower 1 or the second filter tower 2 through the drying pipe 10, thereby realizing the drying operation of the activated carbon, and the humid hot air is discharged through the waste liquid discharge pipe 4;

[0025] Depend on Figures 1 to 4 The first filter tower 1 and the second filter tower 2 are both composed of a tower body 11, a filter assembly 12 and a cover plate 13. A notch 14 matching the cover plate 13 is provided on the side of the tower body 11. The filter assembly 12 is connected to the inside of the tower body 11. The cover plate 13 is connected to the tower body 11 through a plurality of bolts 15. A support inner ring 16 matching the filter assembly 12 is fixedly provided at the bottom end of the tower body 11. A mesh plate 17 is fixedly provided inside the support inner ring 16. A lap plate 18 matching the cover plate 13 is fixedly provided on the side of the notch 14. The filter assembly 12 is composed of a frame-type support base 19, a sheath 20 and The activated carbon placing rack 21 is composed of a sheath 20 fixedly connected to the top of the frame-type support base 19, the activated carbon placing rack 21 is placed inside the sheath 20 and located at the top of the frame-type support base 19, the activated carbon is placed inside the activated carbon placing rack 21, the outer surface of the frame-type support base 19 is provided with a sealing ring 22, and the frame-type support base 19 is provided with a plurality of through holes 23, the activated carbon placing rack 21 is composed of a plurality of retaining rings 24, a plurality of connecting arms 25 and a plurality of supporting grid plates 26, the retaining ring 24 is fixedly connected through the connecting arm 25, and the supporting grid plate 26 is fixedly connected to the bottom end inside the retaining ring 24;

[0026] When it is necessary to replace the activated carbon inside the first filter tower 1 or the second filter tower 2, first open the cover plate 13, and use a forklift or other machinery to insert into the through hole 23, lift the filter assembly 12 as a whole to a certain height, and then take out the filter assembly 12 from the tower body 11, and then use the lifting tool to take out the activated carbon placement rack 21 from the inside of the sheath 20, pour out the activated carbon, and then replace it with new activated carbon. By setting a plurality of supporting grid plates 26 and retaining rings 24, the activated carbon can be placed in layers to avoid affecting the circulation of exhaust gas.

[0027] During operation, by providing a first filter tower and a second filter tower, alternating operation can be achieved, and the activated carbon can be desorbed or replaced without stopping the machine, thereby realizing continuous filtering of the exhaust gas; by providing a steam generator, a dryer, a steam desorption tube, a drying tube and a waste liquid discharge tube, the activated carbon inside the first filter tower and the second filter tower can be desorbed alternately, thereby improving the cleanliness of the activated carbon and avoiding the influence of impurities inside the activated carbon on the filtering effect; by providing a first filter tower and a second filter tower composed of a tower body, a filter assembly and a cover plate, the filter assembly can be disassembled, thereby realizing regular replacement of the activated carbon, and by providing a filter assembly composed of a frame-type support base, a sheath and an activated carbon placement frame, the activated carbon can be arranged in layers to avoid affecting the circulation of the exhaust gas.

Claims

1. An activated carbon waste gas filtration tower, comprising a first filtration tower (1) and a second filtration tower (2), characterized in that: An air intake branch pipe (3) is fixedly arranged at the bottom end of each of the first filter tower (1) and the second filter tower (2); a waste liquid discharge pipe (4) is arranged on the side of the air intake branch pipe (3); a waste gas intake pipe (5) is arranged at the bottom end of the air intake branch pipe (3); a three-way exhaust pipe (6) is fixedly arranged at the top end of each of the first filter tower (1) and the second filter tower (2); a steam generator (7) is arranged on one side of the second filter tower (2); the steam generator (7) is connected to the first filter tower (1) and the second filter tower (2) respectively through a steam desorption pipe (8); a dryer (9) is fixedly arranged at the top end of the steam generator (7); the dryer (9) is connected to the steam desorption pipe (8) through a drying pipe (10); and valves are arranged on the air intake branch pipe (3), the waste liquid discharge pipe (4), the three-way exhaust pipe (6), the steam desorption pipe (8) and the drying pipe (10).

2. The activated carbon exhaust gas filtration tower according to claim 1, characterized in that: The first filter tower (1) and the second filter tower (2) are both composed of a tower body (11), a filter assembly (12) and a cover plate (13); a side of the tower body (11) is provided with a notch (14) matching the cover plate (13); the filter assembly (12) is connected to the inside of the tower body (11); and the cover plate (13) is connected to the tower body (11) via a plurality of bolts (15).

3. An activated carbon waste gas filter tower according to claim 2, characterized in that: A supporting inner ring (16) matching the filter assembly (12) is fixedly arranged at the bottom end of the tower body (11), a mesh plate (17) is fixedly arranged inside the supporting inner ring (16), and a lap plate (18) matching the cover plate (13) is fixedly arranged on the side of the notch (14).

4. The activated carbon exhaust gas filter tower according to claim 2, characterized in that: The filter assembly (12) is composed of a frame-type support base (19), a protective sleeve (20) and an activated carbon placement frame (21); the protective sleeve (20) is fixedly connected to the top of the frame-type support base (19); the activated carbon placement frame (21) is placed inside the protective sleeve (20) and located at the top of the frame-type support base (19); and the activated carbon is placed inside the activated carbon placement frame (21).

5. The activated carbon exhaust gas filtration tower according to claim 4, characterized in that: The outer surface of the frame-shaped support base (19) is provided with a sealing ring (22), and a plurality of through holes (23) are opened on the frame-shaped support base (19).

6. The activated carbon exhaust gas filtration tower according to claim 4, characterized in that: The activated carbon placement rack (21) is composed of a plurality of retaining rings (24), a plurality of connecting arms (25) and a plurality of supporting grid plates (26); the retaining rings (24) are fixedly connected via the connecting arms (25), and the supporting grid plates (26) are fixedly connected to the bottom end inside the retaining rings (24).

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