CN118343285A - Mute air distributor and ship ventilation system - Google Patents

Mute air distributor and ship ventilation system Download PDF

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Publication number
CN118343285A
CN118343285A CN202410630300.1A CN202410630300A CN118343285A CN 118343285 A CN118343285 A CN 118343285A CN 202410630300 A CN202410630300 A CN 202410630300A CN 118343285 A CN118343285 A CN 118343285A
Authority
CN
China
Prior art keywords
air
plate
outlet
mute
fluid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410630300.1A
Other languages
Chinese (zh)
Inventor
徐欣
叶笛
潘溜溜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Shipbuilding NDRI Engineering Co Ltd
Original Assignee
China Shipbuilding NDRI Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Shipbuilding NDRI Engineering Co Ltd filed Critical China Shipbuilding NDRI Engineering Co Ltd
Priority to CN202410630300.1A priority Critical patent/CN118343285A/en
Publication of CN118343285A publication Critical patent/CN118343285A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63JAUXILIARIES ON VESSELS
    • B63J2/00Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02Ventilation; Air-conditioning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/4236Reducing noise or vibration emissions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00Vessels parts, details, or accessories, not otherwise provided for
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Duct Arrangements (AREA)

Abstract

The invention relates to a mute air distributor and a ship ventilation system, wherein the air distributor comprises a shell, a fluid inlet and a fluid outlet are arranged on the shell, a silencing plate is arranged in the shell, the silencing plate is a curved plate, a plurality of silencing holes are formed in the silencing plate, and the plate surface of the silencing plate is perpendicular to the flowing-out direction of fluid in the shell. Compared with the prior art, the ship air conditioner is used for being connected with a ship air conditioner to adjust and reduce noise of the ship air conditioner air outlet; in the use process, the air distributor is communicated with an air outlet of a ship air conditioner through a fluid inlet, and is communicated with outside air through a fluid outlet, air-conditioning air flows out of the air distributor through a silencer plate after entering the air distributor, and noise generated by air flow is absorbed by the curved plate because the curved plate is arranged on the plate surface of the air distributor and is provided with silencing holes, so that the air flow noise is effectively reduced; meanwhile, the plate surface of the air distributor faces the flowing-out direction of the fluid, all the air can flow out again through the silencing plate, and the noise reduction efficiency of the air distributor is guaranteed.

Description

Mute air distributor and ship ventilation system
Technical Field
The invention relates to the technical field of ventilation equipment, in particular to a mute air distributor and a ship ventilation system.
Background
The air distributor is mainly used for air supply terminal devices of public spaces and related personnel activities, whether the air distributor is a ship on land or on the sea, the spaces where people live or move can be divided, the spaces all need ventilation for a certain number of times, air treated by an air conditioner can be sent to a plurality of places such as medical rooms, halls, restaurants, theatres and the like, the purposes and space structures of each space are different, the characteristics and the quality of the air are also different, the air distributor of the terminal air supply device can control the flow speed, the flow direction and the transmission distance of the air, and different types of air distributors are arranged in different spaces.
The wind distributor is an important device at the tail end of the ship air conditioning ventilation system, plays a role in regulating the air environment of a ship cabin, but is also one of main noise sources of the ship cabin, and the noise seriously affects the comfort and health of crews. With further improvement of comfort requirements of crew and passengers for living environment, noise environment becomes one of standards for evaluating ships. During actual operation, the ship air conditioning system can generate noise from a machine room to the tail end, main noise sources are fan noise, air pipe system noise and tail end noise, the noise generated everywhere enters the tail end air distributor along the air pipe, and finally the noise is harmful to the health of cabin personnel when being transmitted into a room through the air distributor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a mute air distributor and a ship ventilation system, which are used for reducing noise in a ship air conditioning system.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides a silence cloth wind ware, the cloth wind ware includes the casing, be equipped with fluid inlet and fluid outlet on the casing, be equipped with the acoustical panel in the casing, the acoustical panel is the curved plate, be equipped with a plurality of amortization holes on the acoustical panel, the face of acoustical panel with the direction of fluid outflow sets up perpendicularly in the casing.
In one embodiment, a plurality of silencing plates are arranged in the shell, and the silencing plates are arranged in parallel along the flowing-out direction of the fluid.
In one embodiment, the distance between two adjacent silencer boards is 40 mm-60 mm; the curved surface of the silencer plate is a circumferential curved surface, and the curvature of the silencer plate is 0.5-2.
In one embodiment, the length of the circumferential curved surface of the sound attenuation plate is greater than or equal to one third of the circumference and less than or equal to one half of the circumference.
In one embodiment, the silencing plate comprises a first porous layer, a silencing material layer and a second porous layer which are sequentially arranged, and silencing holes perpendicular to the plate surface are formed in the first porous layer and the second porous layer.
In one embodiment, the sound dampening material layer includes a sound dampening foam layer and a sound dampening cotton layer.
In one embodiment, the shell is provided with an outlet pipeline, and an air dispersing disc is sleeved at the outlet of the outlet pipeline.
In one embodiment, the outlet pipe is provided with a wind deflector, the wind deflector is connected with the wind dispersing disc through a connecting piece, and the wind deflector is parallel to the wind dispersing disc and is provided with a gap.
In one embodiment, the shell is provided with an inlet pipeline, the inlet pipeline and the outlet pipeline are respectively arranged on two adjacent side surfaces of the shell, and impurity filter screens are respectively arranged in the inlet pipeline and the outlet pipeline.
A ship ventilation system comprises an air conditioner and a mute air distributor, wherein an air outlet of the air conditioner is communicated with a fluid inlet of the mute air distributor.
Compared with the prior art, the invention has the following advantages:
1. The mute air distributor can be arranged in a ship and is used for being connected with a ship air conditioner to adjust and reduce noise of the ship air conditioner air outlet; in the use process, the air distributor is communicated with an air outlet of a ship air conditioner through a fluid inlet, and is communicated with outside air through a fluid outlet, air-conditioning air flows out of the air distributor through a silencer plate after entering the air distributor, and noise generated by air flow is absorbed by the curved plate because the curved plate is arranged on the plate surface of the air distributor and is provided with silencing holes, so that the air flow noise is effectively reduced; meanwhile, the plate surface of the air distributor faces the flowing-out direction of the fluid, all the air can flow out again through the silencing plate, and the noise reduction efficiency of the air distributor is guaranteed.
2. The shell is internally provided with a plurality of silencing plates, and the surfaces of the silencing plates are sequentially arranged towards the fluid outlet, so that air flow sequentially passes through the silencing plates, a higher silencing amount can be obtained by a shorter silencing channel length, and the overall noise reduction effect is improved.
3. When the distance between the silencing plates is controlled between 40mm and 60mm and the curvature of the silencing plates is controlled between 0.5 and 2, the pressure loss of air flow passing through the silencing plates can be controlled between 10Pa and 30Pa, so that the ideal noise reduction requirement is achieved.
4. The first porous layer, the noise reduction material layer and the second porous layer are sequentially arranged on the noise reduction plate, and when the airflow passes through the noise reduction plate, the noise is reduced step by step through the first porous layer, the noise reduction material layer and the second porous layer, so that the noise reduction effect and the noise reduction efficiency are improved.
5. The wind distributor is provided with the wind dispersing disc and the wind shield at the outlet, air flow can only enter the air through gaps between the wind dispersing disc and the wind shield, so that pressure loss when the air flow flows out of the pipeline is reduced, uniform and orderly outflow of the wind distributor is realized, and ventilation efficiency of the wind distributor is ensured.
6. The impurity filter screens are arranged in the inlet pipeline and the outlet pipeline, dust in the ship air conditioner can be prevented from entering a room through the air distributor through the impurity filter screens of the inlet pipeline, and when the air distributor does not work, the indoor dust can be prevented from entering the ship air conditioner through the air distributor through the impurity filter screens of the outlet pipeline, so that bidirectional dust prevention is realized, and the air conditioner and the air distributor are effectively protected.
Drawings
Fig. 1 is a schematic structural view of a wind distributor according to the present invention.
Fig. 2 is a schematic structural view of the muffler plate according to the present invention.
Reference numerals: 100. a wind distributor; 10. a housing; 11. a fluid inlet; 12. a fluid outlet; 13. an inlet duct; 14. an outlet conduit; 15. a flow valve; 20. a muffler plate; 21. a first porous layer; 22. a layer of sound attenuating material; 23. a second porous layer; 30. a wind dispersing disc; 31. a connecting piece; 40. and a wind deflector.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
The marine low noise plenum 100 of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in an embodiment, a silent air distributor 100 is provided, the air distributor 100 includes a casing 10, a fluid inlet 11 and a fluid outlet 12 are provided on the casing 10, a muffler plate 20 is provided in the casing 10, the muffler plate 20 is a curved plate, a plurality of muffler holes are provided on the muffler plate 20, and a plate surface of the muffler plate 20 is perpendicular to a direction of fluid flowing out of the casing 10.
The mute air distributor 100 can be arranged in a ship and is used for being connected with a ship air conditioner to adjust and reduce noise of the ship air conditioner air outlet; in the use process, the air distributor 100 is communicated with an air outlet of a ship air conditioner through the fluid inlet 11, is communicated with the outside air through the fluid outlet 12, and air-conditioned air flows out of the air distributor 100 through the silencer plate 20 after entering the air distributor 100, and because the surface of the air distributor 100 is provided with a curved plate and silencing holes, noise generated by air flow is absorbed by the curved plate, so that the air flow noise is effectively reduced; meanwhile, the surface of the air distributor 100 faces the flowing direction of the fluid, and all the air flows out again through the silencing plate 20, so that the noise reduction efficiency of the air distributor 100 is guaranteed.
Specifically, as shown in fig. 1, in an embodiment, a plurality of sound deadening plates 20 are provided in the casing 10, and the plurality of sound deadening plates 20 are arranged in parallel in the direction in which the fluid flows out. The plurality of silencing plates 20 are arranged in the shell 10, and the plurality of silencing plates 20 are sequentially arranged facing the fluid outlet 12, so that air flows sequentially pass through the plurality of silencing plates 20, a higher silencing amount can be obtained through a shorter silencing channel length, and the overall noise reduction effect is improved.
Also, the muffler plate 20 is disposed in the region between the fluid inlet 11 and the fluid outlet 12, ensuring that the air flow must pass through the muffler plate 20 after flowing into the air distribution device 100 to flow out of the air distribution device 100.
Further, in one embodiment, the distance between adjacent two sound deadening plates 20 is 40mm to 60mm.
Wherein the curved surface of the silencer board 20 is a circumferential curved surface, and the curvature of the silencer board 20 is 0.5-2. When the distance between the silencer boards 20 is controlled between 40mm and 60mm and the curvature of the silencer boards 20 is controlled between 0.5 and 2, the pressure loss of the air flow passing through the silencer boards 20 can be controlled between 10Pa and 30Pa, so that the ideal noise reduction requirement is achieved.
The length of the circumferential curved surface of the muffler plate 20 is equal to or greater than one third of the circumference and equal to or less than one half of the circumference.
Specifically, as shown in fig. 2, in an embodiment, the muffler plate 20 includes a first porous layer 21, a muffler material layer 22, and a second porous layer 23 that are sequentially disposed, where muffler holes perpendicular to the plate surface are formed on the first porous layer 21 and the second porous layer 23. The first porous layer 21, the silencing material layer 22 and the second porous layer 23 are sequentially arranged on the silencing plate 20, and when the airflow passes through the silencing plate 20, the noise is reduced step by step through the first porous layer 21, the silencing material layer 22 and the second porous layer 23, so that the noise reduction effect and the noise reduction efficiency are improved.
In one embodiment, the layer of sound dampening material 22 includes a layer of sound dampening foam and a layer of sound dampening cotton.
In the present embodiment, the thickness of the silencer plate 20 is 30mm to 50mm, the thickness of the first and second porous layers 21 and 23 is 2mm to 5mm, and the thickness of the silencer material layer 22 is 10mm to 40mm.
Specifically, as shown in fig. 1, in an embodiment, an outlet pipe 14 is provided on the housing 10, and a wind dispersing disc 30 is sleeved at the outlet of the outlet pipe 14.
Further, in an embodiment, the outlet duct 14 is provided with a wind deflector 40, the wind deflector 40 is connected to the wind deflector 30 by a connection 31, and the wind deflector 40 is parallel to the wind deflector 30 and provided with a gap.
The connecting member 31 may be a connecting structure such as a bolt or a screw. The wind guard 40 may be a disc or square shape, so long as it is adapted to the wind-dispersing plate 30, so as to fully shield the wind-dispersing plate 30.
Wherein, be equipped with inlet channel 13 on the casing 10, inlet channel 13 and outlet channel 14 set up respectively on two adjacent sides on casing 10, all are equipped with impurity filter screen in inlet channel 13, the outlet channel 14. The impurity filter screens are arranged in the inlet pipeline 13 and the outlet pipeline 14, dust in the ship air conditioner can be prevented from entering the room through the air distributor 100 through the impurity filter screens of the inlet pipeline 13, and when the air distributor 100 does not work, the indoor dust can be prevented from entering the ship air conditioner through the air distributor 100 through the impurity filter screens of the outlet pipeline 14, so that bidirectional dust prevention is realized, and the air conditioner and the air distributor 100 are effectively protected.
In this embodiment, a flow valve 15 is disposed in the outlet pipe 14 and located between the wind deflector 40 and the air-dispersing disc 30, for adjusting the air output of the air distributor 100.
A ship ventilation system, which comprises an air conditioner and the mute air distributor 100, wherein an air outlet of the air conditioner is communicated with a fluid inlet of the mute air distributor 100. The mute air distributor 100 can be arranged in a ship and is used for being connected with a ship air conditioner to adjust and reduce noise of the ship air conditioner air outlet; in the use process, the air distributor 100 is communicated with an air outlet of a ship air conditioner through the fluid inlet 11, is communicated with the outside air through the fluid outlet 12, and air-conditioned air flows out of the air distributor 100 through the silencer plate 20 after entering the air distributor 100, and because the surface of the air distributor 100 is provided with a curved plate and silencing holes, noise generated by air flow is absorbed by the curved plate, so that the air flow noise is effectively reduced; meanwhile, the surface of the air distributor 100 faces the flowing direction of the fluid, and all the air flows out again through the silencing plate 20, so that the noise reduction efficiency of the air distributor 100 is guaranteed.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (10)

1. The utility model provides a silence cloth wind ware, its characterized in that, includes casing (10), be equipped with fluid entry (11) and fluid outlet (12) on casing (10), be equipped with acoustical panel (20) in casing (10), acoustical panel (20) are curved plate, be equipped with a plurality of amortization holes on acoustical panel (20), the face of acoustical panel (20) with the direction of fluid outflow sets up perpendicularly in casing (10).
2. A silent wind turbine according to claim 1, characterized in that said housing (10) is provided therein with a plurality of silencer panels (20), a plurality of said silencer panels (20) being arranged in parallel in the direction of the outflow of the fluid.
3. A mute air distribution device according to claim 2, wherein the distance between two adjacent silencer boards (20) is 40 mm-60 mm, the curved surface of the silencer boards (20) is a circumferential curved surface, and the curvature of the silencer boards (20) is 0.5-2.
4. A silent wind turbine according to claim 3, wherein the length of the circumferential curved surface of said silencer plate (20) is equal to or more than one third of the circumference and equal to or less than one half of the circumference.
5. The mute air distribution device according to claim 1, wherein the mute plate (20) comprises a first porous layer (21), a mute material layer (22) and a second porous layer (23) which are sequentially arranged, and mute holes perpendicular to the plate surface are formed in the first porous layer (21) and the second porous layer (23).
6. A silenced air break according to claim 5, wherein the layer of sound damping material (22) comprises a layer of sound damping foam and a layer of sound damping cotton.
7. A mute air distribution device according to claim 1, wherein the housing (10) is provided with an outlet pipe (14), and an outlet of the outlet pipe (14) is sleeved with an air dispersing disc (30).
8. A mute air distribution device according to claim 7, characterized in that the outlet duct (14) is provided with a wind deflector (40), the wind deflector (40) being connected to the air dispersion plate (30) by means of a connecting piece (31), the wind deflector (40) being parallel to the air dispersion plate (30) and being provided with a gap.
9. A mute air distribution device according to claim 7, wherein the housing (10) is provided with an inlet pipe (13), the inlet pipe (13) and the outlet pipe (14) are respectively arranged on two adjacent side surfaces of the housing (10), and the inlet pipe (13) and the outlet pipe (14) are internally provided with impurity filtering screens.
10. A ship ventilation system, characterized by comprising an air conditioner and a silent air distributor (100) according to claims 1-9, the air outlet of the air conditioner being in communication with the fluid inlet of the silent air distributor (100).
CN202410630300.1A 2024-05-21 2024-05-21 Mute air distributor and ship ventilation system Pending CN118343285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410630300.1A CN118343285A (en) 2024-05-21 2024-05-21 Mute air distributor and ship ventilation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410630300.1A CN118343285A (en) 2024-05-21 2024-05-21 Mute air distributor and ship ventilation system

Publications (1)

Publication Number Publication Date
CN118343285A true CN118343285A (en) 2024-07-16

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ID=91813896

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410630300.1A Pending CN118343285A (en) 2024-05-21 2024-05-21 Mute air distributor and ship ventilation system

Country Status (1)

Country Link
CN (1) CN118343285A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119037694A (en) * 2024-11-04 2024-11-29 泰兴市中凯船舶设备有限公司 Variable air volume air distributor for low-noise ship
CN119037693A (en) * 2024-08-15 2024-11-29 中船黄埔文冲船舶有限公司 Air outlet device for cabin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119037693A (en) * 2024-08-15 2024-11-29 中船黄埔文冲船舶有限公司 Air outlet device for cabin
CN119037694A (en) * 2024-11-04 2024-11-29 泰兴市中凯船舶设备有限公司 Variable air volume air distributor for low-noise ship

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