Dust removal, desulfurization and decarburization integrated device for ship waste gas

Abstract

The utility model provides a ship waste gas dedusting, desulfurization and decarburization integrated device which comprises a first treatment barrel, the left side of the first treatment barrel is fixedly connected with a second treatment barrel, the left side of the second treatment barrel is fixedly connected with a third treatment barrel, the right side of the first treatment barrel is fixedly connected with a gas inlet pipe, and the right side of the third treatment barrel is fixedly connected with a gas outlet pipe. A first exhaust pipe is fixedly connected between the first treatment barrel and the second treatment barrel, a second exhaust pipe is fixedly connected between the second treatment barrel and the third treatment barrel, an air outlet pipe is fixedly connected to the left side of the third treatment barrel, and spraying assemblies are installed in the first treatment barrel, the second treatment barrel and the third treatment barrel. The spraying assembly comprises three supporting blocks, a liquid injection pipe, a liquid inlet pipe, an annular liquid outlet block and a spraying head. The ship waste gas treatment device solves the technical problems of incomplete waste gas treatment, resource waste, increased operation cost and the like caused by the fact that existing ship waste gas treatment equipment cannot uniformly spray treatment liquid, and can be widely applied to various ships.

Description

Technical Field

[0001] This utility model relates to the field of ship exhaust gas treatment technology, and in particular to an integrated device for dust removal, desulfurization and decarbonization of ship exhaust gas. Background Technology

[0002] With the continuous development of society and the increasing prosperity of global trade, shipping, as a major mode of international trade, plays a crucial role in economic development. However, ships generate a large amount of exhaust gas during operation, which contains various pollutants such as particulate matter, sulfur dioxide, nitrogen oxides, and carbon dioxide. If this exhaust gas is not treated and is directly released into the atmosphere, it will cause serious environmental pollution, not only leading to air quality deterioration and causing environmental problems such as smog, but also negatively impacting marine ecosystems and affecting the survival and reproduction of marine life. Treating ship exhaust gas can effectively reduce pollutant emissions, protect the atmospheric environment and marine ecology, maintain ecological balance, and also help the shipping industry comply with environmental regulations and achieve sustainable development.

[0003] However, existing ship exhaust gas treatment equipment has significant shortcomings in practical use. Its treatment liquid spraying system cannot evenly spray the treatment liquid within the exhaust gas treatment space. This results in some areas having excessively high treatment liquid concentrations, leading to resource waste and potential subsequent treatment problems. Conversely, some areas have excessively low treatment liquid concentrations, preventing pollutants in the exhaust gas from fully contacting and reacting with the treatment liquid. Consequently, exhaust gas treatment is incomplete, failing to achieve the expected dust removal, desulfurization, and decarbonization effects. In the long run, this not only reduces the treatment efficiency of the equipment and increases operating costs but may also lead to environmental penalties for non-compliance with exhaust gas emission standards, affecting the normal operation of the ship. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the above-mentioned technologies and provide an integrated device for dust removal, desulfurization and decarbonization of ship exhaust gas.

[0005] Therefore, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas, including a treatment tank 1, a treatment tank 2 fixedly connected to the left side of the treatment tank 1, a treatment tank 3 fixedly connected to the left side of the treatment tank 2, an air inlet pipe fixedly connected to the right side of the treatment tank 1, an exhaust pipe 1 fixedly connected between the treatment tank 1 and the treatment tank 2, an exhaust pipe 2 fixedly connected between the treatment tank 2 and the treatment tank 3, and an air outlet pipe fixedly connected to the left side of the treatment tank 3. Spraying components are installed inside the treatment tanks 1, 2, and 3. The spraying components include a support block, a liquid injection pipe, an inlet pipe, an annular liquid outlet block, and nozzles. There are three support blocks. Support blocks are fixedly connected to the top of the treatment tanks 1, 2, and 3. A liquid injection pipe is fixedly connected to the top of the support block. The inlet pipe is movably installed at the bottom of the liquid injection pipe. The annular liquid outlet block is fixedly connected to the bottom of the inlet pipe and is located inside the tank. There are multiple nozzles, and the nozzles are arranged in a ring at the bottom of the annular liquid outlet block.

[0006] Preferably, the spraying assembly further includes gear one and gear two. Gear one is fixedly connected to the outer wall of the annular liquid outlet block. There are three gear two. Gear two is movably installed on the outer walls of treatment tank one, treatment tank two and treatment tank three. Gear one and gear two mesh with each other.

[0007] Preferably, the spraying assembly further includes a mounting groove and a roller. The inner walls of the first treatment tank, the second treatment tank, and the third treatment tank are all provided with mounting grooves. A roller is movably installed inside the mounting groove, and the bottom of the first gear is in contact with the outer wall of the roller.

[0008] Preferably, a drive shaft is fixedly connected to the bottom of the second gear, a drive motor is fixedly installed at the rear end of the second processing tank, and the output end of the drive motor is fixedly installed on the drive shaft at the rear end of the second processing tank.

[0009] Preferably, the outer walls of the drive shafts at the rear ends of both the second and third processing tanks are provided with belt grooves, and drive belts are fitted onto the outer walls of the two belt grooves. The outer walls of the drive shafts at the rear ends of both the first and third processing tanks are provided with belt grooves, and drive belts are fitted onto the outer walls of the two belt grooves.

[0010] Preferably, protective covers are fixedly installed at the rear ends of the first processing tank, the second processing tank, and the third processing tank, and the drive shaft, the drive motor, the first belt groove, the first drive belt, the second belt groove, and the second drive belt are all located inside the protective covers.

[0011] Preferably, each of the three treatment tanks (first, second, and third) has a movably installed sealing door at its front end, and a waste liquid pipe is fixedly connected inside the sealing door.

[0012] Preferably, a filter screen is fixedly installed on the inner wall of the processing tank.

[0013] This utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas, which has the following beneficial effects:

[0014] Compared with existing technologies, this integrated dust removal, desulfurization, and decarbonization device for ship exhaust gas, through the installation of a spraying assembly, utilizes a drive motor to rotate a drive shaft during operation. The drive shaft then rotates a second gear, which meshes with a first gear, causing the annular liquid outlet block to rotate. The treated liquid enters the annular liquid outlet block through an injection pipe and an inlet pipe, and is then sprayed out from multiple annularly distributed nozzles. This ensures that the treated liquid is evenly sprayed within the treatment tank, guaranteeing that the pollutants in the exhaust gas fully contact and react with the treated liquid. This significantly improves the efficiency and quality of exhaust gas treatment, reduces resource waste, lowers operating costs, and ensures that ship exhaust gas emissions meet standards. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an integrated dust removal, desulfurization, and decarbonization device for ship exhaust gas proposed in this utility model.

[0016] Figure 2 This is a cross-sectional structural schematic diagram of an integrated dust removal, desulfurization, and decarbonization device for ship exhaust gas proposed in this utility model;

[0017] Figure 3 This is an enlarged structural schematic diagram of the spraying component in an integrated dust removal, desulfurization, and decarbonization device for ship exhaust gas proposed in this utility model.

[0018] Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle;

[0019] Figure 5 This is a rear view structural schematic diagram of an integrated dust removal, desulfurization, and decarbonization device for ship exhaust gas proposed in this utility model.

[0020] Figure 6 for Figure 5 Enlarged structural diagram at point B.

[0021] The diagram shows the following markings: 1. Treatment tank one; 2. Treatment tank two; 3. Treatment tank three; 4. Air inlet pipe; 5. Exhaust pipe one; 6. Exhaust pipe two; 7. Air outlet pipe; 8. Spraying assembly; 801. Support block; 802. Liquid injection pipe; 803. Liquid inlet pipe; 804. Annular liquid outlet block; 805. Nozzle; 806. Gear one; 807. Gear two; 808. Mounting groove; 809. Roller; 810. Drive shaft; 811. Drive motor; 812. Belt groove one; 813. Drive belt one; 814. Belt groove two; 815. Drive belt two; 9. Protective cover; 10. Sealing door; 11. Waste liquid pipe; 12. Filter screen. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0023] Depend on Figures 1-6 As shown, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas, including a treatment tank 1. Treatment tank 1 is responsible for the preliminary treatment of ship exhaust gas, removing large particulate pollutants such as dust. A treatment tank 2 is fixedly connected to the left side of treatment tank 1. Treatment tank 2 uses an alkaline solution to desulfurize the exhaust gas, removing acidic gaseous pollutants such as sulfur dioxide. A treatment tank 3 is fixedly connected to the left side of treatment tank 2. Treatment tank 3 absorbs carbon dioxide from the exhaust gas through an alkanolamine solution, achieving deep purification of the exhaust gas. An air inlet pipe 4 is fixedly connected to the right side of treatment tank 1. This is the channel for the ship's exhaust gas to enter the treatment device. The exhaust gas generated by the ship's engine is introduced into treatment tank 1 for treatment. An exhaust pipe 5 is fixedly connected between treatment tank 1 and treatment tank 2. Exhaust pipe 5 is used to transport the treated exhaust gas from treatment tank 1 to treatment tank 2. An exhaust pipe 6 is fixedly connected between treatment tank 2 and treatment tank 3. Exhaust pipe 6 transports the desulfurized exhaust gas from treatment tank 2 to treatment tank 3. An outlet pipe 7 is fixedly connected to the left side of treatment tank 3. Outlet pipe 7 is used to discharge the qualified exhaust gas after dust removal, desulfurization, and decarbonization treatment, allowing it to be released into the atmosphere. Treatment tank 1, treatment tank... Both tank 2 and tank 3 are equipped with spraying components 8 to ensure sufficient contact between the treatment liquid and the exhaust gas, thereby improving the exhaust gas treatment effect. The spraying component 8 includes a support block 801, a liquid injection pipe 802, a liquid inlet pipe 803, an annular liquid outlet block 804, and a nozzle 805. There are three support blocks 801. Support blocks 801 are fixedly connected to the top of each of the three tanks (tank 1, tank 2, and tank 3). A liquid injection pipe 802 is fixedly connected to the top of each support block 801. The liquid injection pipe 802 is the inlet for the treatment liquid to enter the spraying component 8. Operators inject different types of treatment liquid into the device through the liquid injection pipe 802. The liquid inlet pipe 804... 3. An inlet pipe 803 is installed at the bottom of the injection pipe 802 to introduce the treatment liquid delivered by the injection pipe 802 into the annular outlet block 804. The annular outlet block 804 is fixedly connected to the bottom of the inlet pipe 803 and is located inside the tank. The annular outlet block 804 is a distribution component for the treatment liquid, which evenly distributes the treatment liquid to each nozzle 805. There are multiple nozzles 805, which are arranged in a ring at the bottom of the annular outlet block 804. The nozzles 805 can evenly spray the treatment liquid in the annular outlet block 804 into the treatment tank, increasing the contact area between the treatment liquid and the exhaust gas and improving the treatment effect.

[0024] Depend on Figure 3 As shown, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas. The spraying component 8 also includes a first gear 806 and a second gear 807. The first gear 806 is fixedly connected to the outer wall of the annular liquid outlet block 804. The first gear 806 and the second gear 807 mesh with each other. The rotation of the second gear 807 drives the annular liquid outlet block 804 to rotate, thereby realizing the rotational spraying of the nozzle 805, making the treatment liquid distribution more uniform. There are three second gears 807. The outer walls of the first treatment tank 1, the second treatment tank 2, and the third treatment tank 3 are all movably installed with the second gears 807. The first gear 806 and the second gear 807 mesh with each other.

[0025] Depend on Figure 3 As shown, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas. The spraying component 8 also includes an installation groove 808 and a roller 809. The inner walls of the treatment tank 1, treatment tank 2, and treatment tank 3 are all provided with installation grooves 808. The installation grooves 808 provide installation positions for the rollers 809, ensuring that the rollers 809 can be stably installed on the inner wall of the treatment tank. The rollers 809 are movably installed inside the installation grooves 808. The rollers 809 are in contact with the bottom of the gear 1 806. When the annular liquid outlet block 804 rotates, the rollers 809 play a supporting and auxiliary role in rotation, reducing the resistance when the gear 1 806 rotates, and ensuring that the annular liquid outlet block 804 rotates smoothly. The bottom of the gear 1 806 is in contact with the outer wall of the rollers 809.

[0026] Depend on Figure 3 As shown, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas. A drive shaft 810 is fixedly connected to the bottom of gear 2 807. The drive shaft 810 transmits the power of the drive motor 811 to gear 2 807, causing gear 2 807 to rotate, thereby realizing the rotational spraying of the annular liquid outlet block 804 and the nozzle 805. The drive motor 811 is fixedly installed at the rear end of the treatment tank 2. The drive motor 811 serves as the power source for the rotational movement of the entire spraying assembly 8, providing rotational power to the drive shaft 810 to ensure that the treatment liquid can be sprayed evenly. The output end of the drive motor 811 is fixedly installed on the drive shaft 810 at the rear end of the treatment tank 2.

[0027] Depend on Figures 5-6As shown, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas. The outer walls of the drive shafts 810 at the rear ends of both the second and third treatment tanks (2 and 3) are provided with belt grooves 812. These belt grooves 812 are used to install drive belts 813, which transmit power between the drive shafts 810 at the rear ends of the second and third treatment tanks, enabling the two drive shafts 810 to rotate synchronously. Drive belts 813 are fitted onto the outer walls of the two belt grooves 812. The outer walls of the drive shafts 810 at the rear ends of both the first and second treatment tanks (1 and 2) are provided with belt grooves 814, which are used to install drive belts 815. Drive belts 815 transmit power between the drive shafts 810 at the rear ends of the first and second treatment tanks, enabling the spraying components 8 in the three treatment tanks to work synchronously. Drive belts 815 are fitted onto the outer walls of the two belt grooves 814.

[0028] Depend on Figures 1-2 As shown, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas. Protective covers 9 are fixedly installed at the rear ends of treatment tank 1, treatment tank 2, and treatment tank 3. The protective covers 9 protect the drive shaft 810, drive motor 811, belt groove 1 812, drive belt 1 813, belt groove 2 814, and drive belt 2 815, preventing damage to these components from collisions with external objects. The drive shaft 810, drive motor 811, belt groove 1 812, drive belt 1 813, belt groove 2 814, and drive belt 2 815 are all located inside the protective covers 9.

[0029] Depend on Figures 1-2 As shown, this utility model provides an integrated device for dust removal, desulfurization, and decarbonization of ship exhaust gas. Sealing doors 10 are movably installed at the front ends of treatment tank 1, treatment tank 2, and treatment tank 3. The sealing doors 10 facilitate personnel entering the treatment tanks for equipment maintenance, cleaning, and other operations. Simultaneously, they act as a seal during equipment operation, preventing exhaust gas leakage. A waste liquid pipe 11 is fixedly connected inside the sealing door 10. The waste liquid pipe 11 is used to discharge waste liquid generated during the treatment process, such as wastewater after dust filtration in treatment tank 1, waste liquid after desulfurization in treatment tank 2, and waste liquid after decarbonization in treatment tank 3, ensuring the cleanliness of the treatment device's interior and not affecting subsequent treatment work.

[0030] Depend on Figures 1-2 As shown, this utility model provides an integrated device for dust removal, desulfurization and decarbonization of ship exhaust gas. A filter screen 12 is fixedly installed on the inner wall of the treatment tank 1. The filter screen 12 is installed inside the treatment tank 1 and is used to filter large particulate pollutants such as dust in the ship exhaust gas, to perform preliminary purification of the exhaust gas and reduce the burden of subsequent treatment processes.

[0031] Working principle: When in use, start the drive motor 811, which drives the drive shaft 810 at the rear end of the second processing tank 2 to rotate. The drive shaft 810 drives the drive shaft 810 at the rear end of the third processing tank 3 to rotate through the belt groove 812 and the drive belt 813. At the same time, it drives the drive shaft 810 at the rear end of the first processing tank 1 to rotate through the belt groove 814 and the drive belt 815. When the drive shaft 810 rotates, it drives the gear 807 to rotate. The gear 807 meshes with the gear 806, thereby driving the annular liquid outlet block 804 to rotate.

[0032] Clean water is injected into the top of treatment tank 1 through the injection pipe 802, an alkaline solution is injected into the top of treatment tank 2, and an alcohol amine solution is injected into the top of treatment tank 3. These treatment solutions enter the interior of the annular liquid outlet block 804 through their respective injection pipes 802 and inlet pipes 803, and are then evenly sprayed into the tank from the nozzle 805.

[0033] Ship exhaust gas enters treatment tank 1 through inlet pipe 4. Inside treatment tank 1, dust in the exhaust gas comes into full contact with clean water, achieving preliminary purification. The treated exhaust gas then enters treatment tank 2 through exhaust pipe 5. Inside treatment tank 2, acidic gases such as sulfur dioxide in the exhaust gas react with an alkaline solution, achieving desulfurization. The desulfurized exhaust gas then enters treatment tank 3 through exhaust pipe 6. Inside treatment tank 3, carbon dioxide in the exhaust gas comes into contact with and is absorbed by an alkanolamine solution, completing decarbonization. The treated, compliant exhaust gas is discharged through outlet pipe 7, and the waste liquid generated during the treatment process is discharged through waste liquid pipe 11 inside the sealed door 10.

[0034] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A ship exhaust gas dedusting, desulfurization and decarbonization integrated device, comprising a processing bucket one (1), the left side of the processing bucket one (1) is fixedly connected with a processing bucket two (2), the left side of the processing bucket two (2) is fixedly connected with a processing bucket three (3), characterized in that: The right side of the processing bucket one (1) is fixedly connected with an air inlet pipe (4), the processing bucket one (1) and the processing bucket two (2) are fixedly connected with an exhaust pipe one (5), the processing bucket two (2) and the processing bucket three (3) are fixedly connected with an exhaust pipe two (6), the left side of the processing bucket three (3) is fixedly connected with an air outlet pipe (7), the inside of the processing bucket one (1), the processing bucket two (2) and the processing bucket three (3) is provided with a spraying assembly (8); The spraying assembly (8) comprises a supporting block (801), a liquid injection pipe (802), a liquid inlet pipe (803), an annular liquid outlet block (804) and a spray head (805), the top of the processing bucket one (1), the processing bucket two (2) and the processing bucket three (3) is fixedly connected with a supporting block (801), the top of the supporting block (801) is fixedly connected with a liquid injection pipe (802), the bottom of the liquid injection pipe (802) is movably provided with a liquid inlet pipe (803), the bottom of the liquid inlet pipe (803) is fixedly connected with an annular liquid outlet block (804), the annular liquid outlet block (804) is located in the bucket, and a plurality of spray heads (805) are annularly distributed on the bottom of the annular liquid outlet block (804).

2. The ship exhaust gas dedusting, desulfurizing and decarbonizing integrated device according to claim 1, characterized in that, The spraying assembly (8) further comprises a gear one (806) and a gear two (807), the outer wall of the annular liquid outlet block (804) is fixedly connected with a gear one (806), the outer wall of the annular liquid outlet block (804) is fixedly connected with a gear two (807), and the outer wall of the annular liquid outlet block (804) is movably provided with a gear two (807).

3. The ship exhaust gas dedusting, desulfurizing and decarbonizing integrated device according to claim 2, characterized in that, The spraying assembly (8) further comprises an installation groove (808) and a roller shaft (809), the inner wall of the processing bucket one (1), the processing bucket two (2) and the processing bucket three (3) is provided with an installation groove (808), and the inside of the installation groove (808) is movably provided with a roller shaft (809); the bottom of the gear one (806) is attached to the outer wall of the roller shaft (809).

4. The ship exhaust gas dedusting, desulfurizing and decarbonizing integrated device according to claim 2, characterized in that, The bottom of the gear two (807) is fixedly connected with a driving shaft (810), the rear end of the processing bucket two (2) is fixedly provided with a driving motor (811), and the output end of the driving motor (811) is fixedly connected with the driving shaft (810) at the rear end of the processing bucket two (2).

5. The integrated device for removing dust, sulfur and carbon from exhaust gas of a ship according to claim 4, characterized in that, The outer wall of the driving shaft (810) at the rear end of the processing bucket two (2) and the processing bucket three (3) is provided with a belt groove one (812), the outer wall of the two belt groove ones (812) is sleeved with a driving belt one (813), the outer wall of the driving shaft (810) at the rear end of the processing bucket one (1) and the processing bucket two (2) is provided with a belt groove two (814), and the outer wall of the two belt groove twos (814) is sleeved with a driving belt two (815).

6. The integrated device for removing dust, sulfur and carbon from exhaust gas of a ship according to claim 5, wherein The rear end of the processing barrel one (1), the processing barrel two (2) and the processing barrel three (3) is fixedly installed with a protective cover (9), and the driving shaft (810), the driving motor (811), the belt groove one (812), the driving belt one (813), the belt groove two (814) and the driving belt two (815) are located in the interior of the protective cover (9).

7. The integrated device for removing dust, sulfur and carbon from exhaust gas of a ship according to claim 1, wherein The front end of the processing barrel one (1), the processing barrel two (2) and the processing barrel three (3) is movably installed with a sealing door (10), and the interior of the sealing door (10) is fixedly connected with a waste liquid pipe (11).

8. The ship exhaust gas dedusting, desulfurizing and decarbonizing integrated device according to claim 1, characterized in that, The inner wall of the processing barrel one (1) is fixedly installed with a filter screen (12).

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