Ship exhaust duct structure

Abstract

The utility model belongs to a ship exhaust duct structure in the technical field of ship parts. Comprising an exhaust pipe fixing section (3), an exhaust pipe detachable section a (1) and an exhaust pipe detachable section b (2), an exhaust pipe installation part (6) is arranged below a deck (5), the exhaust pipe fixing section (3) is installed on the exhaust pipe installation part (6), the lower end of the exhaust pipe detachable section a (1) is movably connected with the upper end of the exhaust pipe fixing section (3), and the upper end of the exhaust pipe detachable section a (1) is connected with the lower end of the exhaust pipe detachable section b (2). And the upper end of the exhaust pipe detachable section b (2) is connected with a top exhaust fan (4). The exhaust duct structure of the ship is simple in structure, the exhaust duct is convenient to install when the ship runs, normal exhaust is guaranteed, the exhaust duct can be convenient to detach when ship cargoes are loaded and unloaded, the cargoes are prevented from being touched when being loaded and unloaded, and the actual requirements of the ship are met.

Description

Technical Field

[0001] This utility model belongs to the field of ship component technology, and more specifically, it relates to a ship exhaust duct structure. Background Technology

[0002] Deck transport ships have stringent requirements, including a continuous main deck that does not protrude beyond the loading deck cargo. Currently, ventilation and exhaust ducts on deck transport ships are all fixed, either located in the stern engine room (for ships with internal combustion engines), in the funnel of the bow engine room (for ships with electric propulsion), or above the side deckhouses. However, small, compact deck transport ships have not yet considered placing ventilation ducts in the low-profile, wave-prone stern section, which would also obstruct cargo loading. Therefore, existing technology does not meet the usage requirements.

[0003] Existing technology includes a "Marine Low-Noise Ventilation Unit" with publication number CN110065615A. This technology discloses a marine low-noise ventilation unit comprising a housing, a cover plate, and a side plate. The cover plate and side plate are detachably connected to the housing. The cover plate has an air inlet connecting sleeve. The housing contains a detachable fixed bracket with a movable airflow regulator. The outer side of the side plate has an air outlet duct and a junction box. The air outlet duct has a detachable air outlet connector. The inner side of the side plate has a cylindrical silencer with several small silencer holes distributed on its side wall. The airflow regulator is movably mounted inside the silencer. Because the fan body can extract air from the cabin, it can increase the ventilation power and reduce the pressure and noise required by the main exhaust fan. The user can adjust the position of the airflow regulator's adjustment disc to achieve the best silencer effect. However, this technology does not address the technical issues and solutions of this application. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a ship ventilation duct structure that is simple in structure, easy to install ventilation pipes when the ship is sailing to ensure normal ventilation, and easy to disassemble when the ship is loading and unloading cargo to prevent damage during cargo loading and unloading, thus meeting the actual needs of the ship.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] This utility model is a ship ventilation duct structure, including a fixed section of ventilation duct, a detachable section a of ventilation duct, and a detachable section b of ventilation duct. A ventilation duct mounting component is provided below the deck. The fixed section of ventilation duct is installed on the ventilation duct mounting component 6. The lower end of the detachable section a of ventilation duct is movably connected to the upper end of the fixed section of ventilation duct. The upper end of the detachable section a of ventilation duct is connected to the lower end of the detachable section b of ventilation duct. The upper end of the detachable section b of ventilation duct is connected to the top ventilation fan.

[0007] The fixed section of the exhaust pipe has an internal thread near its upper end, and the detachable section a of the exhaust pipe has an external thread near its lower end.

[0008] The detachable section a of the exhaust pipe is provided with an external thread near the upper end, and the detachable section b2 of the exhaust pipe is provided with an internal thread near the lower end.

[0009] The height of the fixed section of the exhaust duct is lower than the distance L between the deck and the exhaust duct installation component.

[0010] The lower end of the fixed section of the exhaust pipe is welded to the exhaust pipe mounting component.

[0011] Multiple reinforcing ribs are provided between the fixed section of the air duct and the exhaust duct installation component.

[0012] When the fixed section of the exhaust pipe, the detachable section a of the exhaust pipe, and the detachable section b of the exhaust pipe are connected, the lower end of the detachable section a of the exhaust pipe is screwed to the upper end of the fixed section of the exhaust pipe through a threaded part, the upper end of the detachable section a of the exhaust pipe is screwed to the lower end of the detachable section b of the exhaust pipe through a threaded part, and the upper end of the detachable section b of the exhaust pipe is screwed to the top exhaust fan through a threaded part.

[0013] The fixed section, detachable section a, and detachable section b of the exhaust pipe are all metal pipe fittings.

[0014] The aforementioned ship exhaust duct structure also includes a sealing plate.

[0015] The working principle and beneficial effects of this utility model are as follows:

[0016] The ship ventilation duct structure described in this utility model comprises a fixed section, a detachable section a, and a detachable section b. The fixed section is fixedly installed on a ventilation duct mounting bracket, with its upper end extending upwards. An opening is provided on the deck. Each end of the detachable sections a and b is threaded. When ventilation is required during ship navigation, the lower end of the detachable section a is screwed onto the upper end of the fixed section, and the upper end of the detachable section a is screwed onto the lower end of the detachable section b. A top ventilation fan is connected to the upper end of the detachable section b. The ventilation duct formed by the fixed section, detachable section a, and detachable section b passes through the opening on the deck and extends a distance above the deck, facilitating reliable ventilation. When the ship needs to load or unload cargo, the detachable section a and detachable section b of the exhaust pipe are disassembled separately. The detachable section b of the exhaust pipe and the top exhaust fan are fixedly connected. When disassembling and assembling, the detachable section b of the exhaust pipe and the top exhaust fan are disassembled and assembled together. At this time, the upper end of the fixed section of the exhaust pipe does not protrude from the deck and will not affect the passage of cargo loading and unloading personnel. Attached Figure Description

[0017] The following is a brief explanation of the contents depicted in the accompanying drawings and the markings therein:

[0018] Figure 1 This is a schematic diagram of the ship exhaust duct structure described in this utility model;

[0019] Figure 2 This is a schematic diagram of the ship exhaust duct structure described in this utility model when it is arranged on a ship;

[0020] Figure 3 This is a schematic diagram of the structure of the ship exhaust duct structure described in this utility model when the detachable section of the exhaust pipe is removed;

[0021] The labels in the attached diagram are as follows: 1. Detachable section a of the exhaust duct; 2. Detachable section b of the exhaust duct; 3. Fixed section of the exhaust duct; 4. Top exhaust fan; 5. Deck; 6. Exhaust duct mounting hardware; 7. Reinforcing rib; 8. Enclosure plate. Detailed Implementation

[0022] The following description, with reference to the accompanying drawings, provides a more detailed explanation of the specific embodiments of this utility model, including the shape and structure of each component, the relative positions and connections between the parts, the functions and working principles of each part:

[0023] As attached Figure 1 -Appendix Figure 3As shown, this utility model is a ship ventilation duct structure, including a fixed ventilation duct section 3, a detachable ventilation duct section a1, and a detachable ventilation duct section b2. A ventilation duct mounting component 6 is installed below the deck 5. The fixed ventilation duct section 3 is mounted on the mounting component 6. The lower end of the detachable ventilation duct section a1 is movably connected to the upper end of the fixed ventilation duct section 3, and the upper end of the detachable ventilation duct section a1 is connected to the lower end of the detachable ventilation duct section b2. The upper end of the detachable ventilation duct section b2 is connected to a top ventilation fan 4. To address the shortcomings of the existing technology, an improved technical solution is proposed. In the structural design, the fixed ventilation duct section 3, the detachable ventilation duct section a1, and the detachable ventilation duct section b2 are fabricated separately. The fixed ventilation duct section 3 is fixedly mounted on the mounting component 6, with its upper end extending upwards. An opening is provided on the deck 5. Each end of the detachable ventilation duct section a1 and the detachable ventilation duct section b2 is provided with a threaded portion. When ventilation is required during ship operation, the lower end of the detachable section a1 of the exhaust pipe is screwed to the upper end of the fixed section 3, and the upper end of the detachable section a1 is screwed to the lower end of the detachable section b2. The top exhaust fan 4 is then connected to the upper end of the detachable section b2. In this way, the exhaust pipe formed by the fixed section 3, detachable section a1, and detachable section b2 passes through an opening on the deck 5 and extends a distance above the deck 5, facilitating reliable ventilation. When loading or unloading cargo, the detachable sections a1 and b2 are disassembled separately. Since detachable section b2 and the top exhaust fan 4 are fixedly connected, they are disassembled and reassembled together. At this time, the upper end of the fixed section 3 does not protrude from the deck and will not obstruct the passage of personnel during cargo loading and unloading. The ship exhaust duct structure described in this utility model is simple in structure, easy to install when the ship is sailing to ensure normal ventilation, and easy to disassemble when loading and unloading cargo to prevent damage during cargo loading and unloading, thus meeting the actual needs of the ship.

[0024] The fixed section 3 of the exhaust pipe has an internal thread near its upper end, and the detachable section a1 of the exhaust pipe has an external thread near its lower end. The detachable section a1 of the exhaust pipe has an external thread near its upper end, and the detachable section b2 of the exhaust pipe has an internal thread near its lower end. In this structure, the fixed section 3, the detachable section a1, and the detachable section b2 of the exhaust pipe are screwed together.

[0025] The height of the exhaust duct fixing section 3 is lower than the distance L between the deck 5 and the exhaust duct mounting component 6. The lower end of the exhaust duct fixing section 3 is welded to the exhaust duct mounting component 6. With the above structure, the exhaust duct fixing section 3 is welded and does not require disassembly. Since the height of the exhaust duct fixing section 3 is lower than the distance L between the deck 5 and the exhaust duct mounting component 6, the exhaust duct fixing section 3 is always located below the deck and will not protrude outwards, thus not affecting the passage of handling personnel on the deck.

[0026] Multiple reinforcing ribs 7 are provided between the fixed section 3 of the air duct and the exhaust pipe installation component 6.

[0027] When connecting the fixed section 3, detachable section a1, and detachable section b2 of the exhaust pipe, the lower end of the detachable section a1 is screwed onto the upper end of the fixed section 3 via a threaded connection. The upper end of the detachable section a1 is screwed onto the lower end of the detachable section b2 via a threaded connection. The upper end of the detachable section b2 is screwed onto the top exhaust fan 4 via a threaded connection. This structure, where different sections of the exhaust pipe are connected via a threaded connection, ensures reliable connection and convenient disassembly.

[0028] The fixed section 3, detachable section a1, and detachable section b2 of the exhaust duct are all metal fittings. This structure provides high strength and a long service life for each exhaust duct section.

[0029] The aforementioned ship exhaust duct structure also includes a sealing plate 8. In this structure, the sealing plate 8 is a metal plate. After disassembling the detachable sections a1 and b2 of the exhaust duct, the sealing plate 8 is laid at the opening to block it and ensure the safety of operators during passage.

[0030] The ship ventilation duct structure of this utility model comprises a fixed ventilation duct section 3, a detachable ventilation duct section a1, and a detachable ventilation duct section b2. The fixed ventilation duct section 3 is fixedly installed on the ventilation duct mounting component 6, with its upper end extending upwards. An opening is provided on the deck 5. Each end of the detachable ventilation duct section a1 and the detachable ventilation duct section b2 is provided with a threaded portion. When ventilation is required during ship navigation, the lower end of the detachable ventilation duct section a1 is screwed to the upper end of the fixed ventilation duct section 3, and the upper end of the detachable ventilation duct section a1 is screwed to the lower end of the detachable ventilation duct section b2. A top ventilation fan 4 is connected to the upper end of the detachable ventilation duct section b2. In this way, the ventilation duct body formed by the fixed ventilation duct section 3, the detachable ventilation duct section a1, and the detachable ventilation duct section b2 passes through the opening provided on the deck 5 and extends a distance above the deck 5, facilitating reliable ventilation. When the ship needs to load or unload cargo, the detachable section a1 and the detachable section b2 of the exhaust pipe are disassembled separately. The detachable section b2 of the exhaust pipe and the top exhaust fan 4 are fixedly connected. When disassembling and assembling, the detachable section b2 of the exhaust pipe and the top exhaust fan 4 are disassembled and assembled together. At this time, the upper end of the fixed section 3 of the exhaust pipe does not protrude from the deck and will not affect the passage of personnel loading and unloading cargo.

[0031] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A ship exhaust duct structure, characterized in that: It includes a fixed section (3) of exhaust pipe, a detachable section a (1) of exhaust pipe, and a detachable section b (2) of exhaust pipe. An exhaust pipe installation component (6) is set below the deck (5). The fixed section (3) of exhaust pipe is installed on the exhaust pipe installation component (6). The lower end of the detachable section a (1) of exhaust pipe is movably connected to the upper end of the fixed section (3) of exhaust pipe. The upper end of the detachable section a (1) of exhaust pipe is connected to the lower end of the detachable section b (2) of exhaust pipe. The upper end of the detachable section b (2) of exhaust pipe is connected to the top exhaust fan (4).

2. The ship exhaust duct structure according to claim 1, characterized in that: The fixed section (3) of the exhaust pipe is provided with an internal thread near the upper end, and the detachable section a (1) of the exhaust pipe is provided with an external thread near the lower end.

3. The ship exhaust duct structure according to claim 2, characterized in that: The detachable section a (1) of the exhaust pipe is provided with an external thread near the upper end, and the detachable section b (2) of the exhaust pipe is provided with an internal thread near the lower end.

4. The ship exhaust duct structure according to claim 1 or 2, characterized in that: The height of the fixed section (3) of the exhaust pipe is lower than the distance L between the deck (5) and the exhaust pipe mounting component (6).

5. The ship exhaust duct structure according to claim 1 or 2, characterized in that: The lower end of the fixed section (3) of the exhaust pipe is welded to the exhaust pipe mounting component (6).

6. The ship exhaust duct structure according to claim 5, characterized in that: Multiple reinforcing ribs (7) are provided between the fixed section (3) of the air duct and the exhaust pipe installation component (6).

7. The ship exhaust duct structure according to claim 3, characterized in that: When the fixed section (3), detachable section a (1), and detachable section b (2) of the exhaust pipe are connected, the lower end of the detachable section a (1) is screwed to the upper end of the fixed section (3) of the exhaust pipe through the threaded part, the upper end of the detachable section a (1) is screwed to the lower end of the detachable section b (2) of the exhaust pipe through the threaded part, and the upper end of the detachable section b (2) of the exhaust pipe is screwed to the top exhaust fan (4) through the threaded part.

8. The ship exhaust duct structure according to claim 1 or 2, characterized in that: The fixed section (3), detachable section a (1), and detachable section b (2) of the exhaust pipe are all metal pipe fittings.

9. The ship exhaust duct structure according to claim 1, characterized in that: The aforementioned ship exhaust duct structure also includes a sealing plate (8).

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