Ship tail gas purification device

Abstract

The utility model belongs to the technical field of tail gas purification, and particularly relates to a ship tail gas purification device which comprises a filtering tank, and the left side wall of the filtering tank is communicated with a gas inlet pipe. Tail gas is fed into the filtering tank through the air pump, large-particle impurities in the tail gas are filtered through the coarse filtering cylinder, small-particle impurities in the tail gas are filtered through the fine filtering cylinder, the particle impurities fall to the bottom of the filtering tank through the leaking groove, the motor is started, and the tail gas is filtered through the filtering cylinder. Tail gas enters a spraying tank through a connecting hose, a water pump is started, liquid medicine is pumped out through a water pumping pipe and supplied to a water distribution pipe through a water outlet pipe, a spraying head can increase the spraying area of the treatment liquid medicine, and the treatment liquid medicine can be a urea solution; the emission of nitrogen oxides can be effectively reduced, the purified air is exhausted through the exhaust pipe, and the influence on the atmospheric environment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas purification, in particular to a ship tail gas purification device. Background Technique

[0002] Ships are like cities floating on the ocean. With the development of science and technology, in order to save energy and make more effective use of ship exhaust gas, we need to conduct research on the utilization of ship exhaust gas, which also promotes the innovation of various equipment while researching the utilization of ship exhaust gas;

[0003] Some of the existing ship tail gases are directly discharged into the atmosphere. The untreated tail gas contains a large amount of pollutants and solid particles, which has a great impact on the atmospheric environment;

[0004] Therefore, a ship tail gas purification device is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a ship tail gas purification device to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a ship tail gas purification device, including a filtration tank, the left side wall of the filtration tank is communicated with an air inlet pipe, the upper surface of the filtration tank is fixedly connected with a tank cover, the lower surface of the tank cover is fixedly connected with a coarse filtration cylinder, a fine filtration cylinder is arranged inside the coarse filtration cylinder, the upper end of the fine filtration cylinder is fixedly connected to the lower surface of the tank cover, the inner side wall of the filtration tank is rotatably connected with a turntable, a leakage groove is opened on the inner side wall of the turntable, a clamping groove is opened on the upper surface of the turntable, the outer side walls of the coarse filtration cylinder and the fine filtration cylinder are inserted into the inner side wall of the clamping groove, the right side wall of the filtration tank is fixedly connected with a spray tank, a water distribution pipe is fixedly connected to the inner side wall of the spray tank, uniformly distributed spray heads are installed on the outer side wall of the water distribution pipe, a connecting hose is communicated between the left side wall of the spray tank and the upper surface of the tank cover, an exhaust pipe is communicated with the upper surface of the spray tank, and uniformly distributed scraping plates are fixedly connected to the upper surface of the turntable.

[0007] As a further preference of this technical solution: an air pump is arranged on the left side of the filtration tank, the air extraction end of the air pump is communicated with a guide pipe, and the air outlet end of the air pump is communicated with the left end of the air inlet pipe.

[0008] As a further preference of this technical solution: a protective shell is fixedly connected to the lower side of the inner side wall of the filtration tank, a motor is installed on the inner side wall of the protective shell, and the output end of the motor is fixedly connected to the lower surface of the turntable.

[0009] As a further preference of this technical solution: a movable door is hinged to the front surface of the filtration tank.

[0010] As a further preference of this technical solution: a water pump is installed on the front surface of the spray tank, the water pumping end of the water pump is communicated with a water suction pipe, the outer side wall of the water suction pipe is fixedly connected to the inner side wall of the spray tank, and a water outlet pipe is communicated between the water outlet end of the water pump and the inner side wall of the water distribution pipe.

[0011] As a further preference of this technical solution: a demister is fixedly connected to the inner side wall of the spray tank.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] When the present utility model is in use, the other end of the air guide pipe is communicated with the exhaust end of the marine diesel engine, the tail gas is sent into the filter tank through the air pump, the larger particle impurities in the tail gas are filtered by the coarse filter cartridge, the smaller particle impurities in the tail gas are filtered by the fine filter cartridge, the particle impurities fall to the bottom of the filter tank through the leakage trough, the motor is started, the turntable rotates to drive the scraper, and the scraper can clean the outer sides of the coarse filter cartridge and the fine filter cartridge. The tail gas enters the spray tank through the connecting hose, the water pump is started, the liquid medicine is pumped out through the water suction pipe, supplied to the water distribution pipe through the water outlet pipe, and the spray head can increase the spraying area of the treated liquid medicine. The treated liquid medicine can be urea solution, which can effectively reduce the emission of nitrogen oxides. The purified air is discharged through the exhaust pipe, reducing the impact on the atmospheric environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view structural schematic diagram of the present utility model;

[0015] Figure 2 is the sectional structural schematic diagram of the present utility model;

[0016] Figure 3 is the structural schematic diagram of the tank cover, the coarse filter cartridge and the fine filter cartridge of the present utility model;

[0017] Figure 4 is the structural schematic diagram of the turntable, the leakage trough and the scraper of the present utility model;

[0018] Figure 5 is the structural schematic diagram of the water distribution pipe, the spray head and the water outlet pipe of the present utility model.

[0019] In the figure: 1, filter tank; 2, intake pipe; 3, tank cover; 4, coarse filter cartridge; 5, fine filter cartridge; 6, turntable; 7, leakage trough; 8, clamping groove; 9, spray tank; 10, water distribution pipe; 11, spray head; 12, connecting hose; 13, exhaust pipe; 14, scraper; 15, air pump; 16, air guide pipe; 17, protective shell; 18, motor; 19, movable door; 20, water pump; 21, water suction pipe; 22, water outlet pipe; 23, demister. Detailed implementation mode

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0021] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0022] Please refer to Figures 1-5, the present utility model provides a technical solution: a ship exhaust gas purification device, which includes a filter tank 1. The left side wall of the filter tank 1 is communicated with an intake pipe 2. The upper surface of the filter tank 1 is fixedly connected with a tank cover 3. The lower surface of the tank cover 3 is fixedly connected with a coarse filter cylinder 4. A fine filter cylinder 5 is arranged inside the coarse filter cylinder 4. The upper end of the fine filter cylinder 5 is fixedly connected to the lower surface of the tank cover 3. The inner side wall of the filter tank 1 is rotatably connected with a turntable 6. A leakage groove 7 is formed on the inner side wall of the turntable 6. A clamping groove 8 is formed on the upper surface of the turntable 6. The outer side walls of the coarse filter cylinder 4 and the fine filter cylinder 5 are inserted into the inner side wall of the clamping groove 8. The right side wall of the filter tank 1 is fixedly connected with a spray tank 9. A water distribution pipe 10 is fixedly connected to the inner side wall of the spray tank 9. Uniformly distributed spray nozzles 11 are installed on the outer side wall of the water distribution pipe 10. A connecting hose 12 is communicated between the left side wall of the spray tank 9 and the upper surface of the tank cover 3. An exhaust pipe 13 is communicated with the upper surface of the spray tank 9. Uniformly distributed scraping plates 14 are fixedly connected to the upper surface of the turntable 6; during use, the ship exhaust gas enters the filter tank 1 through the intake pipe 2. The larger particle impurities in the exhaust gas are filtered by the coarse filter cylinder 4, and the smaller particle impurities in the exhaust gas are filtered by the fine filter cylinder 5. The particle impurities fall to the bottom of the filter tank 1 through the leakage groove 7 under the action of gravity. The turntable 6 rotates to drive the scraping plates 14, and the scraping plates 14 can clean the outer sides of the coarse filter cylinder 4 and the fine filter cylinder 5, reducing the blockage situation. The exhaust gas enters the spray tank 9 through the connecting hose 12. The water distribution pipe 10 is in a cross shape, and together with the spray nozzles 11, it can increase the spraying area of the treatment liquid. The treatment liquid can be a urea solution, which can effectively reduce the emission of nitrogen oxides. The purified air is discharged through the exhaust pipe 13, reducing the impact on the atmospheric environment.

[0023] In this embodiment, specifically: an air pump 15 is arranged on the left side of the filter tank 1. The air extraction end of the air pump 15 is communicated with a guide pipe 16, and the air outlet end of the air pump 15 is communicated with the left end of the intake pipe 2; the other end of the guide pipe 16 is communicated with the exhaust end of the ship diesel engine, and the exhaust gas is sent into the filter tank 1 through the air pump 15.

[0024] In this embodiment, specifically: a protective shell 17 is fixedly connected to the lower side of the inner side wall of the filter tank 1. A motor 18 is installed on the inner side wall of the protective shell 17. The output end of the motor 18 is fixedly connected to the lower surface of the turntable 6; the motor 18 can drive the turntable 6 to rotate, and the protective shell 17 can prevent solid particles from polluting the motor 18.

[0025] In this embodiment, specifically: a movable door 19 is hinged to the front surface of the filter tank 1; by opening the movable door 19, it is convenient to clean the solid impurities from the filter tank 1.

[0026] In this embodiment, specifically: a water pump 20 is installed on the front surface of the spray tank 9. The water suction end of the water pump 20 is communicated with a water suction pipe 21, and the outer side wall of the water suction pipe 21 is fixedly connected to the inner side wall of the spray tank 9. A water outlet pipe 22 is communicated between the water outlet end of the water pump 20 and the inner side wall of the water distribution pipe 10; the spray tank 9 is filled with treatment liquid medicine inside. Start the water pump 20, draw out the liquid medicine through the water suction pipe 21, and supply it to the water distribution pipe 10 through the water outlet pipe 22.

[0027] In this embodiment, specifically: a demister 23 is fixedly connected to the inner side wall of the spray tank 9; the demister 23 can remove water vapor in the gas.

[0028] The working principle of the present utility model is: during use, the other end of the air guide pipe 16 is communicated with the exhaust end of the marine diesel engine. The exhaust gas is sent into the filter tank 1 through the air pump 15. The larger particle impurities in the exhaust gas are filtered by the coarse filter cartridge 4, and the smaller particle impurities in the exhaust gas are filtered by the fine filter cartridge 5. The particle impurities fall to the bottom of the filter tank 1 through the leak groove 7 under the action of gravity. Start the motor 18 to make the turntable 6 rotate and drive the scraper 14. The scraper 14 can clean the outer sides of the coarse filter cartridge 4 and the fine filter cartridge 5 to reduce the blockage situation. The exhaust gas enters the spray tank 9 through the connecting hose 12. The spray tank 9 is filled with treatment liquid medicine inside. Start the water pump 20, draw out the liquid medicine through the water suction pipe 21, and supply it to the water distribution pipe 10 through the water outlet pipe 22. The water distribution pipe 10 is in a cross shape, and together with the nozzles 11, it can increase the spraying area of the treatment liquid medicine. The treatment liquid medicine can be a urea solution, which can effectively reduce the emission of nitrogen oxides. The purified air is discharged through the exhaust pipe 13, reducing the impact on the atmospheric environment.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A ship exhaust purification device, comprising a filter tank (1), characterized in that: The left side wall of the filter tank (1) is connected to an air inlet pipe (2); the upper surface of the filter tank (1) is fixedly connected to a tank cover (3); the lower surface of the tank cover (3) is fixedly connected to a coarse filter cartridge (4); a fine filter cartridge (5) is provided on the inner side of the coarse filter cartridge (4); the upper end of the fine filter cartridge (5) is fixedly connected to the lower surface of the tank cover (3); the inner side wall of the filter tank (1) is rotatably connected to a turntable (6); the inner side wall of the turntable (6) is provided with a leakage groove (7); the upper surface of the turntable (6) is provided with a clamping groove (8); the coarse filter cartridge (4) and the filter cartridge (4) are connected to the filter tank (4); The outer wall of the fine filter cartridge (5) is plugged into the inner wall of the slot (8); the right side wall of the filter tank (1) is fixedly connected to a spray tank (9); the inner side wall of the spray tank (9) is fixedly connected to a water distribution pipe (10); the outer side wall of the water distribution pipe (10) is installed with evenly distributed spray heads (11); the left side wall of the spray tank (9) is connected to the upper surface of the tank cover (3) by a connecting hose (12); the upper surface of the spray tank (9) is connected to an exhaust pipe (13); and the upper surface of the turntable (6) is fixedly connected to evenly distributed scrapers (14).

2. A ship exhaust purification device according to claim 1, characterized in that: An air pump (15) is provided on the left side of the filter tank (1); the air suction end of the air pump (15) is connected to an air guide pipe (16); and the air outlet end of the air pump (15) is connected to the left end of the air inlet pipe (2).

3. A ship exhaust purification device according to claim 1, characterized in that: A protective shell (17) is fixedly connected to the lower side of the inner wall of the filter tank (1), and an electric motor (18) is installed on the inner wall of the protective shell (17), and the output end of the electric motor (18) is fixedly connected to the lower surface of the turntable (6).

4. A ship exhaust purification device according to claim 1, characterized in that: A movable door (19) is hingedly connected to the front surface of the filter tank (1).

5. A ship exhaust purification device according to claim 1, characterized in that: A water pump (20) is installed on the front surface of the spray tank (9); a water pumping end of the water pump (20) is connected to a water pumping pipe (21); an outer wall of the water pumping pipe (21) is fixedly connected to an inner wall of the spray tank (9); and a water outlet pipe (22) is connected between the water outlet end of the water pump (20) and the inner wall of the water distribution pipe (10).

6. A ship exhaust purification device according to claim 1, characterized in that: The inner side wall of the spray tank (9) is fixedly connected with a demister (23).

Images