CN211174294U

CN211174294U - Exhaust device below waterline

Info

Publication number: CN211174294U
Application number: CN201921894170.3U
Authority: CN
Inventors: 司马星刚
Original assignee: WUXI HONGSHENG MARINE GLASS FIBER REINFORCED PLASTIC CO Ltd
Current assignee: WUXI HONGSHENG MARINE GLASS FIBER REINFORCED PLASTIC CO Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-04
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a below-waterline exhaust device, which comprises a hull and a marine engine exhaust pipe, wherein the bottom of the hull is arranged below the waterline, the hull is provided with an air valve above the waterline, one end of the air valve is communicated with the upper side of the end part of the marine engine exhaust pipe through a first air pipe, the upper side of the end part of the marine engine exhaust pipe is connected with a second air pipe, the other end of the air valve is communicated with the second air pipe through a third air pipe, one end of the second air pipe is connected with a first water-lock silencer, one end of the first water-lock silencer is connected with a fourth air pipe, one end of the fourth air pipe is connected with a second water-lock silencer, the utility model can reduce the noise, simultaneously can reduce the exhaust gas temperature to about 40 ℃ or 50 ℃, and when the engine is in a working state, the air valve is closed under a certain, when the engine stops working, the pressureless valve 3 in the pipeline is opened to prevent the siphon phenomenon.

Description

Exhaust device below waterline

Technical Field

The utility model relates to an exhaust field specifically is exhaust apparatus below the waterline.

Background

A ship is a man-made vehicle that operates primarily in geographic water. In addition, a civil ship is generally called a ship, a military ship is called a ship, and a small-sized ship is called a boat or a boat, which is collectively called a ship or a boat. The interior mainly comprises a containment space, a support structure and a drainage structure, with a propulsion system using an external or self-contained energy source. The shape is generally favorable for overcoming the streamline envelope of the fluid resistance, the materials are continuously updated along with the technological progress, the early stage are natural materials such as wood, bamboo, hemp and the like, the recent times are steel materials, aluminum, glass fiber, acrylic and various composite materials, the prior ship uses a 'dry' exhaust system, in the system, exhaust gas is conveyed to the outside of the ship body without any form of cooling, a generated heat exhaust pipe is necessarily or completely insulated, but even if the system generates a large amount of noise, simultaneously, after the engine stops, a siphon phenomenon is generated, cooling water in the exhaust system easily flows back to the inside of the engine, and water outside the ship easily enters the exhaust system.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides an exhaust apparatus below the waterline, the effectual current exhaust apparatus waste gas of having solved is carried outside the hull, and does not need the cooling of any form, and the hot blast pipe that produces from this must or completely insulating, even so, it has produced a large amount of noises, and the engine stops the back simultaneously, produces siphon phenomenon, and the cooling water among the exhaust system easily flows back the problem that inside and extra-ship water of engine easily enters exhaust system.

In order to achieve the above object, the utility model provides a following technical scheme: including hull and marine engine exhaust pipe, the bottom of hull is located and is provided with marine engine exhaust pipe below the waterline, it is provided with the air valve to be located above the waterline on the hull, the upside intercommunication of first trachea and marine engine exhaust pipe tip is passed through to the one end of air valve, be connected with the second trachea of the upside of marine engine exhaust pipe tip, the other end of air valve passes through third trachea and second trachea intercommunication, the tracheal one end of second is connected with first water lock muffler, the one end of first water lock muffler is connected with the fourth trachea, the tracheal one end of fourth is connected with second water lock muffler, the one end of second water lock muffler is connected with the fifth trachea, the tracheal one end of fifth is connected with third water lock muffler, the afterbody of hull is provided with the gas vent, be connected through the sixth trachea between gas vent and the third water lock muffler.

Preferably, the distance between the exhaust port and the waterline is at least 50 mm.

Preferably, the second air pipe, the fourth air pipe, the fifth air pipe and the sixth air pipe are connected with the ship body through fixing rings.

Preferably, the fixing ring is fixedly connected with the ship body through a bolt.

Preferably, the air valve is spaced from the water line by a distance of at least 400 mm.

Preferably, the first air pipe, the second air pipe, the third air pipe, the first water lock silencer, the fourth air pipe, the second water lock silencer, the fifth air pipe, the sixth air pipe and the third water lock silencer are all members made of rubber materials.

The utility model discloses a third trachea and first water lock muffler carry out the amortization of first cooling, then carry out the amortization of secondary cooling through fourth trachea and second water lock muffler, then through the fifth trachea, third water lock muffler and sixth trachea carry out the amortization of cubic cooling, along with the reduction of sound velocity and temperature, the sound level also can reduce correspondingly, the production that can the noise reduction, can reduce exhaust gas temperature to about 40 ℃ or 50 ℃ simultaneously, and through the air valve, be in operating condition when the engine, there is certain pressure air valve in the pipeline and close, no pressure air valve opens in engine stop work pipeline, prevent that siphonage from producing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1.

In the first embodiment, as shown in fig. 1, the present invention comprises a hull 1 and a marine engine exhaust pipe 2, the bottom of the hull 1 is located below the waterline and is provided with the marine engine exhaust pipe 2, the hull 1 is provided with an air valve 3 located above the waterline, one end of the air valve 3 is communicated with the upper side of the end of the marine engine exhaust pipe 2 through a first air pipe 4, the upper side of the end of the marine engine exhaust pipe 2 is connected with a second air pipe 5, the other end of the air valve 3 is communicated with the second air pipe 5 through a third air pipe 6, one end of the second air pipe 5 is connected with a first water lock muffler 7, one end of the first water lock muffler 7 is connected with a fourth air pipe 8, one end of the fourth air pipe 8 is connected with a second water lock muffler 9, one end of the second water lock muffler 9 is connected with a fifth air pipe 10, one end of the fifth air pipe 10 is connected with a third water lock muffler 13, the, the exhaust port 14 is connected with the third water-lock muffler 13 through the sixth air pipe 11, when in use, high-temperature gas discharged by the exhaust pipe 2 of the marine engine is subjected to primary cooling and muffling through the second air pipe 5 and the first water-lock muffler 7, then subjected to secondary cooling and muffling through the fourth air pipe 8 and the second water-lock muffler 9, and then subjected to tertiary cooling and muffling through the fifth air pipe 10, the third water-lock muffler 13 and the sixth air pipe 11, the sound level is correspondingly reduced along with the reduction of the sound velocity and the temperature, the temperature of exhaust gas can be reduced to about 40 ℃ or 50 ℃, and in addition, the other main advantage of temperature reduction is that all exhaust parts from the outlet of the exhaust pipe of the engine to the downstream can be made of rubber or synthetic materials, which allows more complicated design and weight reduction, and also ensures the protection from corrosion, and meanwhile, through the air valve 3, when the engine is in a working state, the air valve 3 with certain pressure exists in the pipeline and is closed, and when the engine stops working, the air valve 3 without pressure in the pipeline is opened, so that the siphon phenomenon is prevented.

The distance between the exhaust port and the waterline is at least 50mm, so that the gas is conveniently discharged.

All be connected through solid fixed ring 12 between second trachea 5, fourth trachea 8, fifth trachea 10 and the sixth trachea 11 and the hull 1, make things convenient for second trachea 5, fourth trachea 8, fifth trachea 10 and sixth trachea 11 fixed.

The fixing ring 12 is fixedly connected with the ship body 1 through bolts, so that the fixing ring 12 can be fixed conveniently.

The distance between the air valve 3 and the water line is at least 400mm, preventing the ingress of water.

First trachea 4, second trachea 5, third trachea 6, first water lock muffler 7, fourth trachea 8, second water lock muffler 9, fifth trachea 10, sixth trachea 11 and third water lock muffler 13 are the structure of rubber material, and weight reduction, and can prevent to corrode.

The working principle is as follows: when in use, the high-temperature gas discharged by the exhaust pipe 2 of the marine engine is primarily cooled and silenced through the second air pipe 5 and the first water-lock silencer 7, secondarily cooled and silenced through the fourth air pipe 8 and the second water-lock silencer 9, and thirdly cooled and silenced through the fifth air pipe 10, the third water-lock silencer 13 and the sixth air pipe 11, the sound level is correspondingly reduced along with the reduction of sound velocity and temperature, the temperature of the exhaust gas can be reduced to about 40 ℃ or 50 ℃, and in addition, the other main advantage of temperature reduction is that all exhaust parts from the outlet of the exhaust pipe of the engine to the downstream can be made of rubber or synthetic materials, which allows more complicated design and weight reduction and ensures the protection against corrosion, and meanwhile, through the air valve 3, when the engine is in a working state, a certain pressure air valve 3 is closed in the pipe, when the engine stops working, no pressure air valve 3 is opened in the pipe, preventing the generation of siphon phenomenon.

Compared with the prior art, the utility model has the following benefits: with the reduction of sound velocity and temperature, the sound level is correspondingly reduced, the generation of noise can be reduced, meanwhile, the temperature of exhaust gas can be reduced to about 40 ℃ or 50 ℃, when the engine is in a working state, a certain pressure air valve 3 is closed in the pipeline, and when the engine stops working, the non-pressure air valve 3 in the pipeline is opened, so that the siphon phenomenon is prevented.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The following exhaust apparatus of waterline, including hull (1) and marine engine blast pipe (2), its characterized in that: the ship engine exhaust pipe (2) is arranged at the bottom of the ship body (1) below a waterline, an air valve (3) is arranged on the ship body (1) above the waterline, one end of the air valve (3) is communicated with the upper side of the end part of the ship engine exhaust pipe (2) through a first air pipe (4), a second air pipe (5) is connected with the upper side of the end part of the ship engine exhaust pipe (2), the other end of the air valve (3) is communicated with the second air pipe (5) through a third air pipe (6), one end of the second air pipe (5) is connected with a first water lock silencer (7), one end of the first water lock silencer (7) is connected with a fourth air pipe (8), one end of the fourth air pipe (8) is connected with a second water lock silencer (9), one end of the second water lock silencer (9) is connected with a fifth air pipe (10), one end of the fifth air pipe (10) is connected with a third water lock silencer, an exhaust port (14) is arranged at the tail part of the ship body (1), and the exhaust port (14) is connected with the third water lock silencer (13) through a sixth air pipe (11).

2. The below-waterline venting device of claim 1, further comprising: the distance between the exhaust port and the waterline is at least 50 mm.

3. The below-waterline venting device of claim 1, further comprising: the second air pipe (5), the fourth air pipe (8), the fifth air pipe (10) and the sixth air pipe (11) are connected with the ship body (1) through fixing rings (12).

4. The below-waterline venting device of claim 3, further comprising: the fixing ring (12) is fixedly connected with the ship body (1) through bolts.

5. The below-waterline venting device of claim 1, further comprising: the distance between the air valve (3) and the water line is at least 400 mm.

6. The below-waterline venting device of claim 1, further comprising: the first air pipe (4), the second air pipe (5), the third air pipe (6), the first water lock silencer (7), the fourth air pipe (8), the second water lock silencer (9), the fifth air pipe (10), the sixth air pipe (11) and the third water lock silencer (13) are all members made of rubber materials.