Multi-stage efficient ship flue gas multi-pollutant cooperative control system

By adopting a combined structure of filter tower and spray tower in the ship flue gas treatment system, and using the combination of spherical filter mesh and arc-shaped scraper, the problem of accumulation of large particulate pollutants in the spray tower is solved, and the purification efficiency is improved and filter clearance and simplify scraper replacement process.

CN222305181UActive Publication Date: 2025-01-07JIANGSU ENVIRONMENTAL PROTECTION GRP SUQIAN CO LTD
View PDF 0 Cites 2 Cited by

Patent Information

Application Number
CN202420667908.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-01-07
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

In traditional ship flue gas multi-pollutant treatment systems, the spray tower directly discharges the waste gas in when used, resulting in the accumulation of large particulate pollutants, affecting the purification efficiency and effect.

Method used

Design a multi-stage high-efficiency multi-pollutant collaborative control system for ship flue gas, adopting a combined structure of filter tower and spray tower. A spherical filter mesh and arc-shaped scraper are installed in the filter tower, and arc-shaped through a motor-driven transmission mechanism is driven. The scraper scrapes away dirt, ensures the filter screen is unobstructed, and facilitates the scraper replacement through the limiting mechanism.

Benefits of technology

Effectively filter large particulate pollutants in ship flue gas, improve the purification efficiency of the spray tower, extend the service life of the filter, and facilitate scraper replacement.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222305181U_ABST
    Figure CN222305181U_ABST
Patent Text Reader

Abstract

The utility model discloses a multistage efficient ship flue gas multi-pollutant cooperative control system, which relates to the technical field of flue gas treatment, and comprises a filter tower and a spray tower, the spray tower is arranged on one side of the filter tower, one side of the bottom of the filter tower and one side of the bottom of the spray tower are respectively provided with an air inlet, and the air inlet is communicated with the filter tower. Air outlets are formed in the tops of the filtering tower and the spraying tower; the air outlet of the filtering tower is communicated with the air inlet of the spraying tower through a connecting pipe; two first rotating rods are rotationally arranged on one side of the interior of the filtering tower, spherical filtering nets are fixedly arranged at one ends of the two first rotating rods, the other sides of the spherical filtering nets abut against the inner wall of the filtering tower, an opening is formed in the side, away from the first rotating rods, of the filtering tower, and a blocking plate is arranged on the inner side of the opening; and the two ends of the blocking plate are rotationally connected with the filtering tower through second rotating rods. According to the utility model, large-particle pollutants can be filtered before the flue gas is desulfurized and denitrated, so that the flue gas treatment efficiency can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, and in particular to a multi-stage high-efficiency ship flue gas multi-pollutant coordinated control system. Background Art

[0002] While the prosperous development of international trade and fisheries has promoted the rapid development of my country's economy, it has also brought huge challenges to the environmental air quality in coastal and riverine areas. The high concentration of atmospheric pollutants emitted by ship diesel engines has become the main source of air pollution in coastal areas, especially port cities.

[0003] Traditionally, the treatment of multiple pollutants in ship flue gas usually adopts spray tower for spray purification. However, the current spray tower directly discharges the exhaust gas into the spray tower when in use. There are many large particle pollutants in the exhaust gas. After spraying, they will accumulate in the spray tower, causing pollution in the spray tower and affecting the efficiency and effect of the exhaust gas purification work. Utility Model Content

[0004] In view of the above-mentioned existing problems in the treatment of multiple pollutants in ship smoke, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a multi-stage high-efficiency ship flue gas multi-pollutant coordinated control system, which solves the problem that the spray tower in the prior art directly discharges the exhaust gas into the spray tower when in use, and there are many large particle pollutants in the exhaust gas, which will accumulate in the spray tower after spraying, causing pollution in the spray tower and affecting the efficiency and effect of the exhaust gas purification work.

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

[0007] A multi-stage high-efficiency ship flue gas multi-pollutant coordinated control system, comprising a filter tower and a spray tower, wherein the spray tower is arranged on one side of the filter tower, an air inlet is provided on one side of the bottom of the filter tower and the spray tower, an air outlet is provided on the top of the filter tower and the spray tower, and the air outlet of the filter tower is connected to the air inlet of the spray tower through a connecting pipe;

[0008] Two first rotating rods are rotatably provided on one side of the interior of the filter tower, and a spherical filter screen is fixedly provided at one end of each of the two first rotating rods, and the other side of the spherical filter screen contacts the inner wall of the filter tower. An opening is provided on the side of the filter tower away from the first rotating rod, and a blocking plate is provided on the inner side of the opening. Both ends of the blocking plate are rotatably connected to the filter tower through a second rotating rod, and both ends of the inner side of the blocking plate are fixedly provided with arc scrapers, and the two arc scrapers respectively contact one side of the corresponding spherical filter screen;

[0009] The outer wall of the filter tower on one side close to the blocking plate is provided with a limiting mechanism for limiting the rotation of the blocking plate, and the outer wall of the filter tower on one side close to the first rotating rod is provided with a transmission mechanism for driving the two rotating rods to rotate reciprocally.

[0010] Preferably, the limiting mechanism includes a slide plate and a baffle, and fixed shells are fixedly provided at both ends of the outer wall of the filter tower on one side close to the blocking plate, the two slide plates are slidably provided on the inner sides of the corresponding fixed shells, the two baffles are fixedly provided on the side close to the two slide plates, one end of the two baffles extends to the outside of the fixed shell, and the outer end of the two baffles is in conflict with one side of the blocking plate.

[0011] Preferably, the transmission mechanism includes a spur gear and a first rack, the two spur gears are fixedly sleeved on the outer end of the corresponding first rotating rod, and fixed blocks are fixedly provided at both ends of the outer wall of the filter tower close to the first rotating rod, the two first racks are slidably sleeved inside the corresponding fixed blocks, the two first racks are respectively meshed with the corresponding spur gears, and a fixed frame is fixedly connected between the two first racks, a side plate is provided on the rear side of the fixed frame, one side of the side plate is fixedly connected to the outer wall of the filter tower, a transmission rod is rotatably provided on the front side of the side plate, and an incomplete gear is fixedly sleeved on the rod wall of the transmission rod, second racks are fixedly provided on both sides of the interior of the fixed frame, the incomplete gear is meshed with the second rack on one side, and a motor is fixedly provided on the rear side of the side plate, and the output end of the motor is fixedly connected to one end of the transmission rod.

[0012] Preferably, the arc-shaped scraper is a rubber plate.

[0013] Preferably, the cross sections of the slide plate and the fixed shell are both rectangular.

[0014] Preferably, a sealing gasket is provided on the outer wall of the blocking plate.

[0015] Preferably, the cross section of the first rack is rectangular.

[0016] Preferably, the motor is fixedly connected to the side plate via a support frame.

[0017] Preferably, an air inlet pipe is fixedly arranged inside the air inlet of the filter tower.

[0018] Preferably, a spring is fixedly provided on one side of the slide plate away from the baffle, and the other end of the spring is fixedly connected to the inner wall of the fixed shell.

[0019] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0020] 1. The utility model can filter large particle pollutants in the ship's smoke through two spherical filters arranged in the filter tower, so that the spray tower can efficiently and fully purify the filtered ship's smoke.

[0021] 2. The utility model drives the incomplete gear to rotate through the motor, so that the incomplete gear meshes with the two second racks in turn, which drives the fixed frame to move up and down reciprocatingly, and then makes the first racks on both sides move up and down reciprocatingly, and the first rack drives the spur gear to rotate reciprocatingly, so that the first rotating rod drives the corresponding arc scraper bar fixedly arranged relative to the spherical filter to rotate, so that the arc scraper bar can scrape off the dirt accumulated on the surface of the spherical filter, ensuring the smooth flow of the spherical filter.

[0022] 3. The utility model releases the limit on the blocking plate by pushing the baffles on both sides into the corresponding fixed shells, and can rotate the blocking plate 180 degrees with the second rotating rod as the axis, and rotate the arc scraper out of the filter tower, so that the worn arc scraper can be replaced conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 This is a structural schematic diagram of a multi-stage high-efficiency ship flue gas multi-pollutant coordinated control system proposed by the utility model;

[0025] Figure 2 for Figure 1 A rear view structural diagram of ;

[0026] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0027] Description of reference numerals:

[0028] 1. Filter tower; 2. Spray tower; 3. Connecting pipe; 4. First rotating rod; 5. Spherical filter; 6. Blocking plate; 7. Second rotating rod; 8. Arc scraper; 9. Inlet pipe; 10. Spur gear; 11. Fixed block; 12. First rack; 13. Side plate; 14. Transmission rod; 15. Incomplete gear; 16. Fixed frame; 17. Second rack; 18. Slide plate; 19. Baffle; 20. Spring; 21. Motor; 22. Fixed shell. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] The utility model embodiment discloses a multi-stage high-efficiency ship flue gas multi-pollutant coordinated control system.

[0031] Embodiment 1

[0032] Reference Figure 1-3 A multi-stage high-efficiency ship flue gas multi-pollutant coordinated control system comprises a filter tower 1 and a spray tower 2. The spray tower 2 is arranged on one side of the filter tower 1. An air inlet is provided on one side of the bottom of the filter tower 1 and the spray tower 2. An air outlet is provided on the top of the filter tower 1 and the spray tower 2. The air outlet of the filter tower 1 is connected to the air inlet of the spray tower 2 through a connecting pipe 3. An air inlet pipe 9 is fixedly provided inside the air inlet of the filter tower 1 to facilitate connection with the ship's flue gas exhaust pipe.

[0033] Two first rotating rods 4 are rotatably provided on one side of the interior of the filter tower 1, and a spherical filter screen 5 is fixedly provided at one end of the two first rotating rods 4, and the other side of the spherical filter screen 5 is in conflict with the inner wall of the filter tower 1. An opening is provided on the side of the filter tower 1 away from the first rotating rod 4, and a blocking plate 6 is provided on the inner side of the opening. Both ends of the blocking plate 6 are rotatably connected to the filter tower 1 through a second rotating rod 7, and a sealing gasket is provided on the outer wall of the blocking plate 6 to improve the sealing between the blocking plate 6 and the opening of the filter tower 1. Arc scrapers 8 are fixedly provided on both ends of the inner side of the blocking plate 6, and the two arc scrapers 8 are respectively in conflict with one side of the corresponding spherical filter screen 5. The arc scraper 8 is a rubber plate to prevent scratches on the spherical filter screen 5 as much as possible.

[0034] Embodiment 2

[0035] Reference Figure 1-3 A limiting mechanism for limiting the rotation of the blocking plate 6 is provided on the outer wall of the filter tower 1 on one side close to the blocking plate 6, and the limiting mechanism includes a slide plate 18 and a baffle 19. Fixed shells 22 are fixedly provided at both ends of the outer wall of the filter tower 1 on one side close to the blocking plate 6. The two slide plates 18 are slidably provided on the inner sides of the corresponding fixed shells 22. The two baffles 19 are fixedly provided on the side close to the two slide plates 18. One end of the two baffles 19 extends to the outside of the fixed shell 22, and one end of the outer sides of the two baffles 19 conflicts with one side of the blocking plate 6. The cross-sections of the slide plate 18 and the fixed shell 22 are both rectangular, so that the slide plate 18 can slide stably. A spring 20 is fixedly provided on the side of the slide plate 18 away from the baffle 19, and the other end of the spring 20 is fixedly connected to the inner wall of the fixed shell 22 to facilitate the resetting of the baffle 19.

[0036] Embodiment 3

[0037] Reference Figure 1-3The outer wall of the filter tower 1 near the first rotating rod 4 is provided with a transmission mechanism for driving the two rotating rods to rotate back and forth, and the transmission mechanism includes a spur gear 10 and a first rack 12. The two spur gears 10 are fixedly sleeved on the outer end of the corresponding first rotating rod 4. Both ends of the outer wall of the filter tower 1 near the first rotating rod 4 are fixedly provided with fixed blocks 11. The two first racks 12 are slidably sleeved inside the corresponding fixed blocks 11. The cross-section of the first rack 12 is rectangular, so that the first rack 12 can slide stably. The two first racks 12 are respectively meshed and connected with the corresponding spur gears 10, and the two first racks 12 are fixedly connected. A fixed frame 16 is connected, a side panel 13 is arranged on the rear side of the fixed frame 16, one side of the side panel 13 is fixedly connected to the outer wall of the filter tower 1, a transmission rod 14 is rotatably arranged on the front side of the side panel 13, an incomplete gear 15 is fixedly sleeved on the rod wall of the transmission rod 14, second racks 17 are fixedly arranged on both sides of the interior of the fixed frame 16, the incomplete gear 15 is meshedly connected with the second rack 17 on one side, a motor 21 is fixedly arranged on the rear side of the side panel 13, an output end of the motor 21 is fixedly connected to one end of the transmission rod 14, and the motor 21 is fixedly connected to the side panel 13 through a support frame, so that the connection between the motor 12 and the side panel 13 is more stable.

[0038] In the utility model, when in use, due to the two spherical filter screens 5 arranged in the filter tower 1, large particle pollutants in the ship's smoke can be filtered, so that the spray tower 2 can efficiently and fully purify the filtered ship's smoke. At the same time, the motor 21 drives the incomplete gear 15 to rotate, so that the incomplete gear 15 is meshed with the two second racks 17 in turn, that is, it drives the fixed frame 16 to move up and down, and then the first racks 12 on both sides move up and down, and the first racks 12 drive the straight gears 17 to mesh with the two second racks 17 in turn, which drives the fixed frame 16 to move up and down. The wheel 10 rotates back and forth, so that the first rotating rod 4 drives the corresponding arc scraper strip 8 fixedly arranged relative to the spherical filter 5 to rotate, so that the arc scraper strip 8 can scrape off the dirt accumulated on the surface of the spherical filter 5 to ensure the smooth flow of the spherical filter 5. When the arc scraper strip 8 is worn, the baffles 19 on both sides are pushed into the corresponding fixed shells 22, so that the limit on the blocking plate 6 is released, and the blocking plate 6 can be rotated 180 degrees with the second rotating rod 7 as the axis, that is, the arc scraper 8 is rotated out of the filter tower 1, which is convenient for replacing the worn arc scraper 8.

[0039] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A multi-stage high-efficiency ship flue gas multi-pollutant coordinated control system, comprising a filter tower (1) and a spray tower (2), characterized in that: The spray tower (2) is arranged on one side of the filter tower (1); an air inlet is provided on one side of the bottom of the filter tower (1) and the spray tower (2); an air outlet is provided on the top of the filter tower (1) and the spray tower (2); the air outlet of the filter tower (1) is connected to the air inlet of the spray tower (2) via a connecting pipe (3); Two first rotating rods (4) are rotatably arranged on one side of the interior of the filter tower (1), and a spherical filter screen (5) is fixedly arranged at one end of each of the two first rotating rods (4), and the other side of the spherical filter screen (5) contacts the inner wall of the filter tower (1); an opening is provided on the side of the filter tower (1) away from the first rotating rod (4), and a blocking plate (6) is arranged on the inner side of the opening; both ends of the blocking plate (6) are rotatably connected to the filter tower (1) via a second rotating rod (7); arc-shaped scrapers (8) are fixedly arranged at both ends of the inner side of the blocking plate (6), and the two arc-shaped scrapers (8) respectively contact one side of the corresponding spherical filter screen (5); The outer wall of the filter tower (1) on one side close to the blocking plate (6) is provided with a limit mechanism for limiting the rotation of the blocking plate (6), and the outer wall of the filter tower (1) on one side close to the first rotating rod (4) is provided with a transmission mechanism for driving the two rotating rods to rotate reciprocally.

2. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 1 is characterized in that: The limiting mechanism comprises a slide plate (18) and a baffle plate (19); fixed shells (22) are fixedly arranged at both ends of the outer wall of the filter tower (1) on one side close to the blocking plate (6); the two slide plates (18) are slidably arranged on the inner sides of the corresponding fixed shells (22); the two baffle plates (19) are fixedly arranged on the side close to the two slide plates (18); one end of the two baffle plates (19) extends to the outside of the fixed shell (22); and one end of the outer side of the two baffle plates (19) contacts one side of the blocking plate (6).

3. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 1 is characterized in that: The transmission mechanism comprises a spur gear (10) and a first rack (12), the two spur gears (10) being fixedly sleeved on the outer ends of the corresponding first rotating rods (4), the outer walls of the filter tower (1) on the side close to the first rotating rod (4) are fixedly provided with fixed blocks (11) at both ends, the two first racks (12) are slidably sleeved inside the corresponding fixed blocks (11), the two first racks (12) are respectively meshed and connected with the corresponding spur gears (10), a fixed frame (16) is fixedly connected between the two first racks (12), and the rear side of the fixed frame (16) is A side plate (13) is provided, one side of the side plate (13) is fixedly connected to the outer wall of the filter tower (1), a transmission rod (14) is rotatably provided on the front side of the side plate (13), an incomplete gear (15) is fixedly sleeved on the rod wall of the transmission rod (14), second racks (17) are fixedly provided on both sides of the interior of the fixed frame (16), the incomplete gear (15) is meshingly connected with the second rack (17) on one side, a motor (21) is fixedly provided on the rear side of the side plate (13), and the output end of the motor (21) is fixedly connected to one end of the transmission rod (14).

4. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 1 is characterized in that: The arc-shaped scraper (8) is a rubber plate.

5. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 2 is characterized in that: The cross sections of the slide plate (18) and the fixed shell (22) are both rectangular.

6. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 1 is characterized in that: The outer wall of the blocking plate (6) is provided with a sealing gasket.

7. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 3 is characterized in that: The cross section of the first rack (12) is rectangular.

8. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 3 is characterized in that: The motor (21) is fixedly connected to the side plate (13) via a support frame.

9. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 1 is characterized in that: An air intake pipe (9) is fixedly arranged inside the air intake of the filter tower (1).

10. The multi-level high-efficiency ship flue gas multi-pollutant coordinated control system according to claim 2 is characterized in that: A spring (20) is fixedly arranged on one side of the slide plate (18) away from the baffle plate (19), and the other end of the spring (20) is fixedly connected to the inner wall of the fixed shell (22).

Citation Information

Cited By

  • Flue gas denitration SCR (Selective Catalytic Reduction) front filtering device

    CN120305769A

  • Coke oven gas dedusting and demisting equipment based on multi-stage composite filtration

    CN120733464A