Tail gas recovery device
By improving the structure of the exhaust gas recovery device and adopting a threaded connection and handle design, the sealing cover and grid plate are easy to disassemble and clean, which solves the problem of grid plate clogging and improves the efficiency and reuse rate of exhaust gas recovery.
Patent Information
- Application Number
- CN202423217446.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In existing exhaust gas recovery devices, the bar screen is difficult to remove, leading to the accumulation and blockage of impurities and reducing the recovery effect.
An exhaust gas recovery device was designed, including an exhaust gas recovery bucket and an exhaust gas recovery tank. The device is connected by a threaded sealing cover, a support pipe, a mixing box, a water pump, and a grid plate structure. The sealing cover and water pump are easy to disassemble, and the grid plate is easy to remove and clean through a handle and external thread connection. Combined with the nozzle, impurities are cleaned and blockage is prevented.
It enables convenient removal and cleaning of the grille, improves the efficiency of exhaust gas treatment and the practicality of the device, prevents blockage, and ensures the effective recovery and reuse of exhaust gas.
Smart Images

Figure CN223732434U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tail gas recovery field, especially relate to a tail gas recovery device. BACKGROUND
[0002] The ammonia gas floats in the outside, not only can cause the pollution to the environment, also can cause the resource waste, because ammonia is the resource that can use, can be used for making ammonia water, liquid ammonia, nitrogen fertilizer (urea, ammonium bicarbonate etc.), HNO3, ammonium salt, soda ash, is widely used in chemical industry, light industry, chemical fertilizer, pharmacy, synthetic fibre, plastic, dye, refrigerant etc., with people's environmental protection consciousness increasing day by day, as the production industry of chemical product, it is necessary to recycle ammonia tail gas to embody the protection environment and resource saving.
[0003] Prior art has specially developed some tail gas recovery devices, for example, the Chinese patent with the announcement number "CN221267629U" has published "a tail gas recovery device", through using pump machine to drive ammonia water and softened water to tail gas recovery tower to mix again from water outlet recovery to tail gas recovery tank, utilizes detector to carry out ammonia content detection to mixed softened water, and after the ammonia content of softened water reaches saturation, discharge can be reused, improves the practicability and functionality of the whole device.
[0004] Although through using pump machine to drive ammonia water and softened water to tail gas recovery tower to mix again from water outlet recovery to tail gas recovery tank, and after the ammonia content of softened water reaches saturation, discharge can be reused, improves the practicality and functionality of the whole device, but the grid plate in tail gas recovery bucket can not be effectively removed, and under the long-time practicability, can accumulate too many impurities to cause the plugging of grid plate, like this can reduce the effect of tail gas recovery, can not effectively remove the cleaning of grid plate. UTILITY MODEL CONTENTS
[0005] In view of the problems mentioned in the background art, the utility model aims at providing a tail gas recovery device to solve the problem of tail gas recovery.
[0006] The above technical purpose of the utility model is realized by the following technical scheme:
[0007] The utility model provides a tail gas recovery device, including tail gas recovery bucket and tail gas recovery jar, the upper end of tail gas recovery bucket is connected with the sealing cover in screw thread, the center position of one end of sealing cover is fixedly installed with support pipe away from tail gas recovery bucket, the one end of support pipe is fixedly installed with mixing box away from sealing cover, the both sides of one end of sealing cover are fixedly installed with first water pump and second water pump away from tail gas recovery bucket, the one end of first water pump and second water pump is fixedly installed with delivery pipe, the one end of first water pump and second water pump is fixedly installed with connecting pipe away from delivery pipe, one end of connecting pipe is connected with first water pipe in screw thread, the one end of first water pipe is fixedly connected with a plurality of ammonia water jar away from tail gas recovery bucket, the one end of another connecting pipe is connected with second water pipe in screw thread, and second water pipe is connected in tail gas recovery jar, the outer circle of bottom of tail gas recovery bucket is fixedly installed with second conversion pipe, the one end of second conversion pipe is fixedly installed with third water pump away from tail gas recovery bucket, the one end of third water pump is fixedly connected with first conversion pipe away from second conversion pipe, and the one end of first conversion pipe is fixedly connected in tail gas recovery jar, the inside of tail gas recovery bucket is connected with grid plate in screw thread, and the one end of support pipe is fixedly installed with water storage tray away from mixing box.
[0008] In one embodiment, the upper end of the tail gas recovery bucket is internally provided with a sealing groove, and the sealing cover is fixedly installed with a sealing ring at one end close to the tail gas recovery bucket, which is slidingly installed in the sealing groove.
[0009] In one embodiment, the upper end of the tail gas recovery bucket is integrally formed with two protruding blocks on both sides of the outer circle, and the sealing cover is integrally formed with two protruding blocks on both sides of the outer circle. The interiors of the two protruding blocks are provided with threaded openings, and the interiors of the two protruding blocks are provided with sliding openings.
[0010] In one embodiment, the interiors of the two protruding blocks are threadedly connected with a screw rod, and the screw rod is threadedly connected with the interiors of the protruding blocks through the sliding openings in the protruding blocks.
[0011] In one embodiment, the first water pipe and the second water pipe are threadedly connected with the connecting pipe through the connecting heads.
[0012] In one embodiment, the tail gas recovery bucket is integrally formed with a mounting seat inside, the inner circle of the mounting seat is provided with internal threads, and the outer circle of the grid plate is provided with external threads.
[0013] In one embodiment, the grid plate upper end both sides are fixedly installed with handle, the grid plate is connected with the mounting seat through the outer thread and the thread connection, the water storage tray is away from the support pipe one end and is equipped with a plurality of shower heads.
[0014] In one embodiment, the tail gas recovery tank is fixedly installed with a drain pipe on the bottom of one side away from the tail gas recovery barrel, and a valve is fixedly installed on the outer circle of one side of the drain pipe.
[0015] In one embodiment, the tail gas recovery tank is fixedly installed with an air outlet on the upper end, and a detector is fixedly installed on one side of the tail gas recovery tank above the upper end of the drain pipe.
[0016] In summary, the utility model mainly has the following beneficial effects:
[0017] First, the mixing box, the first water pump and the second water pump fixedly installed on the upper end of the sealing cover can be removed during removal, since the support pipe is fixedly connected with the water storage tray at one end away from the mixing box, the water storage tray will also be removed when the sealing cover is removed, so that the maintenance effect is improved in the later maintenance, and the disassembly operation is facilitated.
[0018] Second, the worker can hold both hands in the handle outer circle fixedly installed on both sides of the upper end of the grid plate, then the worker rotates the grid plate to loosen the grid plate and the mounting seat, so that the grid plate can be taken out, then the worker can take the grid plate to wash and clean the impurities remaining on the surface of the grid plate, so that the dredging effect of the grid plate is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the structural schematic diagram of the utility model;
[0020] Figure 2 It is the sealing groove structure schematic diagram of the utility model;
[0021] Figure 3 It is the grid plate structure schematic diagram of the utility model;
[0022] Figure 4 It is the connecting head structure schematic diagram of the utility model.
[0023] Reference numerals: 1. Mixing tank; 2. Delivery pipe; 3. Second water pump; 4. Screw; 5. Protrusion 1; 6. Protrusion 2; 7. Sealing cap; 8. Support pipe; 9. First water pump; 10. Connecting pipe; 11. First water pump; 12. Ammonia tank; 13. Tail gas recovery tank; 14. First conversion pipe; 15. Second conversion pipe; 16. Third water pump; 17. Valve; 18. Drain pipe; 19. Detector; 20. Tail gas recovery tank; 21. Gas outlet; 22. Second water pump; 23. Water storage pan; 24. Nozzle; 25. Sealing ring; 26. Threaded port; 27. Sliding port; 28. Grating plate; 29. Handle; 30. External thread; 31. Mounting base; 32. Internal thread; 33. Connector; 34. Sealing groove. Detailed Implementation Example
[0024] like Figures 1-4 As shown, an exhaust gas recovery device in this embodiment includes an exhaust gas recovery tank 13 and an exhaust gas recovery container 20. A sealing cap 7 is threadedly connected to the upper end of the exhaust gas recovery tank 13. A support pipe 8 is fixedly installed at the center of the end of the sealing cap 7 away from the exhaust gas recovery tank 13. A mixing tank 1 is fixedly installed at the end of the support pipe 8 away from the sealing cap 7. A first water pump 9 and a second water pump 3 are fixedly installed on both sides of the end of the sealing cap 7 away from the exhaust gas recovery tank 13. A conveying pipe 2 is fixedly installed at the end of the first water pump 9 and the second water pump 3 near the mixing tank 1. A connecting pipe 10 is fixedly installed at the end of the first water pump 9 and the second water pump 3 away from the conveying pipe 2. One end of one connecting pipe 10 is threadedly connected to a first water pump 11. The first water pump 11 is threadedly connected to the end of the first water pump 9 and the second water pump 3 away from the conveying pipe 2. Multiple ammonia tanks 12 are fixedly connected to one end of the exhaust gas recovery tank 13. Another connecting pipe 10 is threadedly connected to a second water pump 22 at the end away from the exhaust gas recovery tank 13. The second water pump 22 is connected inside the exhaust gas recovery tank 20. A second conversion pipe 15 is fixedly installed on the bottom outer ring of the exhaust gas recovery tank 13. A third water pump 16 is fixedly installed at the end of the second conversion pipe 15 away from the exhaust gas recovery tank 13. A first conversion pipe 14 is fixedly connected at the end of the third water pump 16 away from the second conversion pipe 15. The end of the first conversion pipe 14 away from the third water pump 16 is fixedly connected inside the exhaust gas recovery tank 20. A grid plate 28 is threadedly connected inside the exhaust gas recovery tank 13. A water storage pan 23 is fixedly installed at the end of the support pipe 8 away from the mixing box 1.
[0025] like Figures 2 to 3As shown, the upper end of the tail gas recovery barrel 13 is internally provided with a sealing groove 34, the sealing cover 7 is fixedly installed with a sealing ring 25 at one end close to the tail gas recovery barrel 13, the sealing ring 25 is slidingly installed in the sealing groove 34, the sealing effect of the connection between the tail gas recovery barrel 13 and the sealing cover 7 is improved to prevent the leakage of harmful gas, the upper end of the tail gas recovery barrel 13 is integrally formed with a protruding block two 6 on both sides of the outer circle, the sealing cover 7 is integrally formed with a protruding block one 5 on both sides of the outer circle, the inside of the two protruding block two 6 is provided with a threaded opening 26, the inside of the two protruding block one 5 is provided with a sliding opening 27, the inside of the two protruding block two 6 is threadedly connected with a screw rod 4, the screw rod 4 is threadedly connected with the protruding block two 6 through the sliding opening 27 in the protruding block one 5, the staff can first loosen the screw rod 4 threadedly connected in the protruding block two 6, then the staff rotates the first water suction pipe 11 and the second water suction pipe 22 at one end close to the tail gas recovery barrel 13 to separate the first water suction pipe 11 and the second water suction pipe 22 from the first water suction pump 9 and the second water suction pump 3, so that the staff can effectively remove the sealing cover 7, the first water suction pipe 11 and the second water suction pipe 22 are both fixedly installed with a connector 33 at one end away from the ammonia water tank 12 and the tail gas recovery tank 20 respectively, the first water suction pipe 11 and the second water suction pipe 22 are both threadedly connected with the connecting pipe 10 through the connector 33, so as to facilitate the removal of the first water suction pipe 11 and the second water suction pipe 22, and the sealing cover 7 can be removed.
[0026] As shown in the figure, Figures 3 to 4 The inside of the tail gas recovery barrel 13 is integrally formed with a mounting seat 31, the inner circle of the mounting seat 31 is provided with an internal thread 32, the outer circle of the grid plate 28 is provided with an external thread 30, the upper end of the grid plate 28 is fixedly installed with a handle 29 on both sides, the grid plate 28 is threadedly connected with the mounting seat 31 through the external thread 30, the water storage disc 23 is provided with a plurality of spray heads 24 at one end away from the supporting pipe 8, the staff can hold both hands outside the handle 29 fixedly installed on both sides of the upper end of the grid plate 28, then the staff rotates the grid plate 28 to loosen the grid plate 28 from the mounting seat 31, and the grid plate 28 can be taken out, then the staff can take the grid plate 28 to flush and clean the impurities remaining on the surface of the grid plate 28 to improve the dredging effect of the grid plate 28, and the spray head 24 can spray the ammonia water and the softened water in the mixing box 1 into the inside of the tail gas recovery barrel 13.
[0027] As shown in the figure, Figure 4 The tail gas recovery tank 20 is fixedly installed with a drain pipe 18 at the bottom on one side away from the tail gas recovery barrel 13, the drain pipe 18 is fixedly installed with a valve 17 on one side of the outer circle, the tail gas recovery tank 20 is fixedly installed with an air outlet 21 at the upper end, and the tail gas recovery tank 20 is fixedly installed with a detector 19 on one side at the upper end of the drain pipe 18, the ammonia content of the mixed softened water is detected by the detector 19, and the softened water is discharged from the inside of the drain pipe 18 after the ammonia content reaches saturation for repeated use.
[0028] The principle and advantages are as follows: when the grid plate 28 needs to be removed, the staff can first loosen the threaded rod 4 inside the protruding block 6, then the staff can rotate the first water suction pipe 11 and the second water suction pipe 22 at one end of the tail gas recovery barrel 13 to separate the first water suction pump 9 and the second water suction pump 3, so that the staff can effectively remove the sealing cover 7, and the mixing box 1, the first water suction pump 9 and the second water suction pump 3 fixedly installed on the upper end of the sealing cover 7 can be removed, since the supporting pipe 8 is fixedly connected with the water storage disc 23 at the end away from the mixing box 1, the water storage disc 23 will also be removed when the sealing cover 7 is removed, so that the maintenance effect is improved in the later maintenance, the disassembly operation is facilitated, then the staff can hold the outer circle of the handle 29 fixedly installed on both sides of the upper end of the grid plate 28 with both hands, then the staff rotates the grid plate 28 to separate the grid plate 28 from the mounting seat 31 to remove the grid plate 28, then the staff can take the grid plate 28 to wash and clean the impurities remaining on the surface of the grid plate 28 to improve the dredging effect of the grid plate 28, when the grid plate 28 is installed inside the tail gas recovery barrel 13, the same disassembly steps are taken to install the grid plate 28 inside the tail gas recovery barrel 13, the disassembly simplicity is improved, and the grid plate 28 is effectively prevented from being blocked, when the tail gas needs to be effectively treated, the first water suction pump 9 is used to suck the ammonia water into the mixing box 1, then the second water suction pump 3 is started to suck the softened water in the tail gas recovery tank 20 into the mixing box 1, finally the mixed softened water flows from the mixing box 1 into the tail gas recovery barrel 13, then flows from the first conversion pipe 14 and the second conversion pipe 15 into the tail gas recovery tank 20, the detector 19 is used to detect the ammonia content of the mixed softened water, and the softened water is discharged from the drain pipe 18 for repeated use after the ammonia content of the softened water reaches saturation, the practicality and functionality are improved.
[0029] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the technical solutions of the present application have been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or replace some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An off-gas recovery device comprising an off-gas recovery bucket (13) and an off-gas recovery tank (20), characterized by: The upper end of the tail gas recovery barrel (13) is threadedly connected with a sealing cover (7), the center of the end of the sealing cover (7) away from the tail gas recovery barrel (13) is fixedly installed with a support pipe (8), the end of the support pipe (8) away from the sealing cover (7) is fixedly installed with a mixing box (1), the two sides of the end of the sealing cover (7) away from the tail gas recovery barrel (13) are fixedly installed with a first water pump (9) and a second water pump (3), the end of the first water pump (9) and the second water pump (3) close to the mixing box (1) is fixedly installed with a conveying pipe (2), the end of the first water pump (9) and the second water pump (3) away from the conveying pipe (2) is fixedly installed with a connecting pipe (10), one end of one of the connecting pipes (10) is threadedly connected with a first water pipe (11), the end of the first water pipe (11) away from the tail gas recovery barrel (13) is fixedly connected with a plurality of ammonia water tanks (12), the end of the other connecting pipe (10) away from the tail gas recovery barrel (13) is threadedly connected with a second water pipe (22), the second water pipe (22) is connected inside the tail gas recovery tank (20), the outer circle of the bottom of the tail gas recovery barrel (13) is fixedly installed with a second conversion pipe (15), the end of the second conversion pipe (15) away from the tail gas recovery barrel (13) is fixedly installed with a third water pump (16), the end of the third water pump (16) away from the second conversion pipe (15) is fixedly connected with a first conversion pipe (14), the end of the first conversion pipe (14) away from the third water pump (16) is fixedly connected inside the tail gas recovery tank (20), the inside of the tail gas recovery barrel (13) is threadedly connected with a grid plate (28), the end of the support pipe (8) away from the mixing box (1) is fixedly installed with a water storage disc (23).
2. A tail gas recovery unit according to claim 1, characterized in that: The upper end of the tail gas recovery barrel (13) is internally provided with a sealing groove (34), the end of the sealing cover (7) close to the tail gas recovery barrel (13) is fixedly installed with a sealing ring (25), the sealing ring (25) is slidingly installed inside the sealing groove (34).
3. The exhaust gas recovery device of claim 1, wherein: The outer circle of the two sides of the upper end of the tail gas recovery barrel (13) is integrally formed with a protruding block two (6), the outer circle of the two sides of the sealing cover (7) is integrally formed with a protruding block one (5), the inside of the two protruding block twos (6) is provided with a threaded hole (26), the inside of the two protruding block ones (5) is provided with a sliding hole (27).
4. A tail gas recovery unit according to claim 3, characterized in that: The inside of the two protruding block twos (6) is threadedly connected with a screw rod (4), the screw rod (4) is threadedly connected with the sliding hole (27) inside the protruding block one (5) and the threaded hole (26) inside the protruding block two (6).
5. The exhaust gas recovery device of claim 1, wherein: The end of the first water pipe (11) away from the ammonia water tank (12) and the end of the second water tank away from the tail gas recovery tank (20) are fixedly installed with a connector (33).
6. A tail gas recovery unit according to claim 4, characterized in that: The first water pipe (11) and the second water pipe (22) are threadedly connected with the connecting pipe (10) through the connector (33).
7. The exhaust gas recovery device of claim 1, wherein: The tail gas recovery barrel (13) is integrally formed with a mounting seat (31) inside, the inner circle of the mounting seat (31) is provided with an internal thread (32), and the outer circle of the grid plate (28) is provided with an external thread (30).
8. A tail gas recovery unit according to claim 7, characterized in that: The grid plate (28) is fixedly installed with handles (29) on both sides of the upper end, the grid plate (28) is threadedly connected with the mounting seat (31) through the external thread (30), and the water storage disc (23) is provided with a plurality of spray heads (24) away from one end of the supporting pipe (8).
9. The exhaust gas recovery device of claim 1, wherein: The tail gas recovery tank (20) is fixedly installed with a drain pipe (18) on the bottom of one side away from the tail gas recovery barrel (13), and the drain pipe (18) is fixedly installed with a valve (17) on one side of the outer circle.
10. The tail gas recovery unit of claim 1, wherein: The tail gas recovery tank (20) is fixedly installed with an air outlet (21) on the upper end, and a detector (19) is fixedly installed on one side of the tail gas recovery tank (20) on the upper end of the drain pipe (18).
Citation Information
Patent Citations
Tail gas recovery device
CN221267629U