A desulfurization chimney for a ship

Abstract

The utility model discloses a ship is with desulfurization chimney belongs to chimney technical field, including chimney body, the chimney body inner wall all around is provided with support end, the chimney body inner wall is provided with support plate and guide rod respectively, support plate is located below guide rod, be provided with filter assembly on support plate, filter assembly can be dismantled and installed in the inside of chimney body, and four groups support end are installed with desulfurization box, the top of desulfurization box is provided with sealing cover, and desulfurizer is placed in the inside of desulfurization box, the top of desulfurization box all around is provided with mounting mechanism, sealing cover is sealed and is arranged in the top of desulfurization box through mounting mechanism, all be provided with the flow -guiding hole between the bottom of desulfurization box and sealing cover, the utility model discloses a kind of ship is with desulfurization chimney, which is convenient to replace and is convenient to maintain, while guaranteeing desulfurization efficiency.

Description

Technical Field

[0001] This utility model relates to the field of chimney technology, and in particular to a desulfurization chimney for ships. Background Technology

[0002] SOx (mainly SO2 and SO3) emissions are one of the main causes of air pollution. To save costs, marine fuel often uses high-sulfur fuel, generating large amounts of SOx during ship voyages, exacerbating air pollution. With rapid economic development and the booming logistics industry, ship exhaust pollution has become increasingly prominent, and countries are raising their requirements for ship exhaust treatment.

[0003] When using existing dry desulfurization equipment, the filter components and desulfurization tower are usually installed in a fixed manner. When replacing the filter screen and desulfurizing agent, the side wall of the chimney needs to be removed, which is difficult to operate. Therefore, the development of an integrated marine desulfurization chimney that is easy to maintain, reliable in operation, and has high desulfurization efficiency has become an urgent need in the field of marine exhaust gas treatment. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the technical problem to be solved by this utility model is to propose a desulfurization chimney for ships that is easy to replace and maintain, while ensuring desulfurization efficiency.

[0005] To achieve this objective, the present invention adopts the following technical solution: This utility model provides a desulfurization chimney for ships, including a chimney body, with support ends arranged around the inner wall of the chimney body, and support plates and guide rods respectively arranged on the inner wall of the chimney body, with the support plates located below the guide rods; A filter assembly is provided on the support plate. The filter assembly is detachably installed inside the chimney body. A desulfurization box is installed on the four support ends. A sealing cover is provided on the top of the desulfurization box. A desulfurizing agent is placed inside the desulfurization box. An installation mechanism is provided around the top of the desulfurization box. The sealing cover passes through the installation mechanism and is sealed on the top of the desulfurization box. A guide hole is provided between the bottom of the desulfurization box and the sealing cover.

[0006] The preferred technical solution of this utility model is that the support plate and the guide rod are each provided in two sets, and are arranged around the inner wall of the chimney body.

[0007] A preferred embodiment of this utility model is that the filter assembly includes a filter plate, a filter screen is provided on the filter plate, and an mounting plate is provided at one end of the filter plate. The mounting plate passes through the chimney body and is sealed to the chimney body.

[0008] A preferred embodiment of this utility model is that the installation mechanism includes installation rods arranged around the top of the desulfurization box, a guide plate is provided at the top of the installation rods, the guide plate is located at the top of the chimney body, and a fitting plate is provided between the guide plate and the installation rods, the fitting plate being engaged with the top of the chimney body around the top.

[0009] The preferred technical solution of this utility model is that the desulfurization box has grooves on both sides that slide with the guide rod. The guide rod is L-shaped, and the bottom of the desulfurization box abuts against the lateral end of the L-shaped guide rod. The L-shaped guide rod and the support end form a supporting effect on the desulfurization box.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention integrates filtration and desulfurization functions into the chimney body, which effectively reduces space occupation and lowers equipment procurement costs compared to traditional independent filtration equipment and independent desulfurization towers. The filter components can be replaced by a pull-out design and the desulfurization box can be disassembled and installed in a guided manner without dismantling the main body of the chimney, thus shortening maintenance time and reducing ship downtime losses.

[0011] This utility model reduces the swaying of the equipment under ship roll and pitch conditions by using multiple fixing methods such as symmetrical support plates, L-shaped guide rods, and interlocking plates, thereby improving the stability of the equipment. The uniform distribution of the guide holes ensures that the exhaust gas and desulfurizing agent are in full contact, which improves the desulfurization efficiency. It is applicable to various types of ships such as bulk carriers, container ships, and oil tankers. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a ship's chimney structure provided in a specific embodiment of this utility model; Figure 2 This is a schematic diagram of the internal structure of a ship's chimney provided in a specific embodiment of this utility model; Figure 3 This is a cross-sectional view of a ship's chimney structure provided in a specific embodiment of this utility model.

[0013] The attached diagram lists the components represented by each number as follows: 1. Chimney body; 11. Support end; 12. Support plate; 13. Guide rod; 2. Filter assembly; 21. Filter plate; 22. Filter screen; 23. Mounting plate; 3. Desulfurization box; 31. Mounting rod; 32. Cladding plate; 33. Guide plate; 4. Sealing cover; 5. Desulfurizing agent; 6. Drainage hole. Detailed Implementation

[0014] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0015] A desulfurization chimney for ships includes a chimney body 1, with support ends 11 arranged around the inner wall of the chimney body 1, and support plates 12 and guide rods 13 respectively arranged on the inner wall of the chimney body 1, with the support plates 12 located below the guide rods 13. A filter assembly 2 is provided on the support plate 12. The filter assembly 2 is detachably installed inside the chimney body 1. A desulfurization box 3 is installed on the four sets of support ends 11. A sealing cover 4 is provided on the top of the desulfurization box 3. A desulfurizing agent 5 is placed inside the desulfurization box 3. An installation mechanism is provided around the top of the desulfurization box 3. The sealing cover 4 passes through the installation mechanism and is sealed on the top of the desulfurization box 3. A guide hole 6 is provided between the bottom of the desulfurization box 3 and the sealing cover 4.

[0016] The high-temperature exhaust gas from the ship's engine enters from the bottom of the chimney body 1 and first flows through the filter assembly 2. The filter assembly 2 intercepts impurities such as soot and particulate matter in the exhaust gas, thus initially purifying the exhaust gas. The filtered exhaust gas then enters the desulfurization box 3 through the guide hole 6 at the bottom of the desulfurization box 3, where it comes into full contact with the desulfurizing agent 5. The desulfurizing agent 5 reacts chemically with SO in the exhaust gas, thereby removing sulfides from the exhaust gas. The clean exhaust gas after desulfurization is discharged from the desulfurization box 3 through the guide hole 6 on the sealing cover 4, and finally discharged into the atmosphere from the top of the chimney body 1, thus completing the entire exhaust gas treatment process. This achieves integrated filtration and desulfurization, eliminating the need for additional independent filtration and desulfurization equipment, reducing ship space occupation, and lowering equipment integration costs. The filter assembly 2 is detachable and can be installed, and the desulfurization box 3 can be easily assembled through the support end 11 and guide rod 13, solving the problem of disassembling the chimney and complex operation required for maintenance of traditional ship desulfurization equipment, and improving maintenance efficiency.

[0017] As a possible implementation of this solution, preferably, two sets of the support plate 12 and the guide rod 13 are provided, and they are arranged around the inner wall of the chimney body 1.

[0018] Two sets of symmetrically distributed support plates 12 can evenly bear the weight of the filter assembly 2, preventing the filter assembly 2 from tilting or being damaged due to unilateral force; two sets of symmetrical guide rods 13 can synchronously guide from both sides of the desulfurization box 3, preventing the desulfurization box 3 from shifting during installation and ensuring that the desulfurization box 3 is precisely fitted with the support end 11; during ship navigation, there are lateral and longitudinal bumps, and the symmetrically distributed support plates 12 and guide rods 13 can restrict the displacement of the filter assembly 2 and the desulfurization box 3 from multiple directions, preventing components from falling off due to bumps and improving the reliability of the equipment under ship operating conditions. As a possible implementation of this solution, preferably, the filter assembly 2 includes a filter plate 21, on which a filter screen 22 is provided, and at one end of the filter plate 21 is a mounting plate 23, which passes through the chimney body 1 and is sealed to the chimney body 1.

[0019] The filter screen 22 is embedded in the filter plate 21. Different filter screens 22 with different pore sizes can be replaced according to the particulate matter content in the exhaust gas to adapt to the exhaust gas conditions of different marine engines. The mounting plate 23 and the chimney body 1 can be sealed together by a sealing ring to prevent exhaust gas leakage and ensure that the exhaust gas flows through the filter screen 22, preventing unfiltered exhaust gas from directly entering the desulfurization box 3. Moreover, the filter assembly 2 can be removed by pulling it out through the mounting plate 23 without tools, making it convenient to replace the filter screen 22 and shortening the maintenance time.

[0020] As a possible implementation of this solution, preferably, the installation mechanism includes installation rods 31 arranged around the top of the desulfurization box 3, a guide plate 33 is provided on the top of the installation rods 31, the guide plate 33 is located on the top of the chimney body 1, and a fitting plate 32 is provided between the guide plate 33 and the installation rods 31, the fitting plate 32 is engaged with the top of the chimney body 1.

[0021] The guide plate 33 is located at the top of the chimney body 1 and can guide the sealing cover 4 to quickly align with the opening of the desulfurization box 3. The fitting plate 32 is engaged with the top of the chimney body 1 around the perimeter, which can limit the radial displacement of the top of the desulfurization box 3. The mounting rod 31 passes through the through hole of the sealing cover 4, which can limit the circumferential displacement of the sealing cover 4 and prevent the sealing cover 4 from falling off or the desulfurization box 3 from shifting due to ship turbulence. The height of the installation mechanism can be adjusted by the length of the mounting rod 31 to adapt to desulfurization boxes 3 of different heights and improve the versatility of the equipment.

[0022] As a possible implementation of this solution, preferably, the desulfurization box 3 has grooves on both sides that slide with the guide rod 13. The guide rod 13 is L-shaped, and the bottom of the desulfurization box 3 abuts against the lateral end of the L-shaped guide rod 13. The L-shaped guide rod 13 and the support end 11 form a supporting effect on the desulfurization box 3.

[0023] The desulfurization box 3 slides along the longitudinal end of the L-shaped guide rod 13 via a groove, eliminating the need for manual lifting and alignment. A single person can complete the installation of the desulfurization box 3, reducing labor costs. The lateral end of the L-shaped guide rod 13 abuts against the bottom of the desulfurization box 3, forming a double support structure with four sets of support ends 11, providing four-point support at the bottom and guide support on both sides. This structure can withstand the weight of the desulfurization box 3 and prevent deformation after long-term use. The sliding fit between the guide rod 13 and the groove has a small gap, which can absorb some of the impact energy when the ship is rocking, reducing the rigid collision between the desulfurization box 3 and the chimney body 1 and extending the service life of the equipment.

[0024] This utility model has been described through preferred embodiments. Those skilled in the art will understand that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. This utility model is not limited to the specific embodiments disclosed herein; other embodiments falling within the scope of the claims of this application are all within the protection scope of this utility model.

Claims

1. A desulfurization chimney for ships, characterized in that: Includes a chimney body (1), with support ends (11) provided around the inner wall of the chimney body (1), and support plates (12) and guide rods (13) respectively provided on the inner wall of the chimney body (1), with the support plates (12) located below the guide rods (13); A filter assembly (2) is provided on the support plate (12). The filter assembly (2) is detachably installed inside the chimney body (1). A desulfurization box (3) is installed on the four sets of support ends (11). A sealing cover (4) is provided on the top of the desulfurization box (3). A desulfurizing agent (5) is placed inside the desulfurization box (3). An installation mechanism is provided around the top of the desulfurization box (3). The sealing cover (4) passes through the installation mechanism and is sealed on the top of the desulfurization box (3). A guide hole (6) is provided between the bottom of the desulfurization box (3) and the sealing cover (4).

2. The desulfurization chimney for ships according to claim 1, characterized in that: The support plate (12) and guide rod (13) are each provided in two sets, and are arranged around the inner wall of the chimney body (1).

3. A desulfurization chimney for ships according to claim 1, characterized in that: The filter assembly (2) includes a filter plate (21), on which a filter screen (22) is provided. A mounting plate (23) is provided at one end of the filter plate (21). The mounting plate (23) passes through the chimney body (1) and is sealed to the chimney body (1).

4. A desulfurization chimney for ships according to claim 1, characterized in that: The installation mechanism includes an installation rod (31) set around the top of the desulfurization box (3). A guide plate (33) is set on the top of the installation rod (31). The guide plate (33) is located on the top of the chimney body (1). A fitting plate (32) is set between the guide plate (33) and the installation rod (31). The fitting plate (32) is engaged with the top of the chimney body (1).

5. A desulfurization chimney for ships according to claim 1, characterized in that: The desulfurization box (3) has grooves on both sides that slide with the guide rod (13). The guide rod (13) is L-shaped. The bottom of the desulfurization box (3) abuts against the lateral end of the L-shaped guide rod (13). The L-shaped guide rod (13) and the support end (11) form a support for the desulfurization box (3).

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